From b4dba8d1d04a9f914523c4b5920ffeeb1942731c Mon Sep 17 00:00:00 2001 From: rofl0r Date: Wed, 31 Jan 2018 19:50:33 +0000 Subject: [PATCH] remove embedded boehm gc sources, use distro copy instead boehm GC is a highly problematic package, since what it tries to achieve is not possible in standard C, so it must use all kinds of nasty platform-specific tricks to get start offset of stack and so on. for this reason, some or most distributions apply custom settings or even patches to make it work. these tweaks are not available when embedding the source of boehm into the tree and hoping that it will turn out to work well... windows users are advised to install the version provided by mingw package manager, while mac os users can use homebrew's version. closes #6 closes #9 closes #4 --- Makefile | 2 +- vendor/gc/AmigaOS.c | 623 - vendor/gc/BCC_MAKEFILE | 87 - vendor/gc/ChangeLog | 711 - vendor/gc/EMX_MAKEFILE | 140 - vendor/gc/MacOS.c | 156 - vendor/gc/MacProjects.sit.hqx | 886 - 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vendor/freegetopt/getopt.o diff --git a/vendor/gc/AmigaOS.c b/vendor/gc/AmigaOS.c deleted file mode 100644 index d171503..0000000 --- a/vendor/gc/AmigaOS.c +++ /dev/null @@ -1,623 +0,0 @@ - - -/****************************************************************** - - AmigaOS-spesific routines for GC. - This file is normally included from os_dep.c - -******************************************************************/ - - -#if !defined(GC_AMIGA_DEF) && !defined(GC_AMIGA_SB) && !defined(GC_AMIGA_DS) && !defined(GC_AMIGA_AM) -# include "gc_priv.h" -# include -# include -# define GC_AMIGA_DEF -# define GC_AMIGA_SB -# define GC_AMIGA_DS -# define GC_AMIGA_AM -#endif - - -#ifdef GC_AMIGA_DEF - -# ifndef __GNUC__ -# include -# endif -# include -# include -# include -# include - -#endif - - - - -#ifdef GC_AMIGA_SB - -/****************************************************************** - Find the base of the stack. -******************************************************************/ - -ptr_t GC_get_main_stack_base() -{ - struct Process *proc = (struct Process*)SysBase->ThisTask; - - /* Reference: Amiga Guru Book Pages: 42,567,574 */ - if (proc->pr_Task.tc_Node.ln_Type==NT_PROCESS - && proc->pr_CLI != NULL) { - /* first ULONG is StackSize */ - /*longPtr = proc->pr_ReturnAddr; - size = longPtr[0];*/ - - return (char *)proc->pr_ReturnAddr + sizeof(ULONG); - } else { - return (char *)proc->pr_Task.tc_SPUpper; - } -} - -#if 0 /* old version */ -ptr_t GC_get_stack_base() -{ - extern struct WBStartup *_WBenchMsg; - extern long __base; - extern long __stack; - struct Task *task; - struct Process *proc; - struct CommandLineInterface *cli; - long size; - - if ((task = FindTask(0)) == 0) { - GC_err_puts("Cannot find own task structure\n"); - ABORT("task missing"); - } - proc = (struct Process *)task; - cli = BADDR(proc->pr_CLI); - - if (_WBenchMsg != 0 || cli == 0) { - size = (char *)task->tc_SPUpper - (char *)task->tc_SPLower; - } else { - size = cli->cli_DefaultStack * 4; - } - return (ptr_t)(__base + GC_max(size, __stack)); -} -#endif - - -#endif - - -#ifdef GC_AMIGA_DS -/****************************************************************** - Register data segments. -******************************************************************/ - - void GC_register_data_segments() - { - struct Process *proc; - struct CommandLineInterface *cli; - BPTR myseglist; - ULONG *data; - - int num; - - -# ifdef __GNUC__ - ULONG dataSegSize; - GC_bool found_segment = FALSE; - extern char __data_size[]; - - dataSegSize=__data_size+8; - /* Can`t find the Location of __data_size, because - it`s possible that is it, inside the segment. */ - -# endif - - proc= (struct Process*)SysBase->ThisTask; - - /* Reference: Amiga Guru Book Pages: 538ff,565,573 - and XOper.asm */ - if (proc->pr_Task.tc_Node.ln_Type==NT_PROCESS) { - if (proc->pr_CLI == NULL) { - myseglist = proc->pr_SegList; - } else { - /* ProcLoaded 'Loaded as a command: '*/ - cli = BADDR(proc->pr_CLI); - myseglist = cli->cli_Module; - } - } else { - ABORT("Not a Process."); - } - - if (myseglist == NULL) { - ABORT("Arrrgh.. can't find segments, aborting"); - } - - /* xoper hunks Shell Process */ - - num=0; - for (data = (ULONG *)BADDR(myseglist); data != NULL; - data = (ULONG *)BADDR(data[0])) { - if (((ULONG) GC_register_data_segments < (ULONG) &data[1]) || - ((ULONG) GC_register_data_segments > (ULONG) &data[1] + data[-1])) { -# ifdef __GNUC__ - if (dataSegSize == data[-1]) { - found_segment = TRUE; - } -# endif - GC_add_roots_inner((char *)&data[1], - ((char *)&data[1]) + data[-1], FALSE); - } - ++num; - } /* for */ -# ifdef __GNUC__ - if (!found_segment) { - ABORT("Can`t find correct Segments.\nSolution: Use an newer version of ixemul.library"); - } -# endif - } - -#if 0 /* old version */ - void GC_register_data_segments() - { - extern struct WBStartup *_WBenchMsg; - struct Process *proc; - struct CommandLineInterface *cli; - BPTR myseglist; - ULONG *data; - - if ( _WBenchMsg != 0 ) { - if ((myseglist = _WBenchMsg->sm_Segment) == 0) { - GC_err_puts("No seglist from workbench\n"); - return; - } - } else { - if ((proc = (struct Process *)FindTask(0)) == 0) { - GC_err_puts("Cannot find process structure\n"); - return; - } - if ((cli = BADDR(proc->pr_CLI)) == 0) { - GC_err_puts("No CLI\n"); - return; - } - if ((myseglist = cli->cli_Module) == 0) { - GC_err_puts("No seglist from CLI\n"); - return; - } - } - - for (data = (ULONG *)BADDR(myseglist); data != 0; - data = (ULONG *)BADDR(data[0])) { -# ifdef AMIGA_SKIP_SEG - if (((ULONG) GC_register_data_segments < (ULONG) &data[1]) || - ((ULONG) GC_register_data_segments > (ULONG) &data[1] + data[-1])) { -# else - { -# endif /* AMIGA_SKIP_SEG */ - GC_add_roots_inner((char *)&data[1], - ((char *)&data[1]) + data[-1], FALSE); - } - } - } -#endif /* old version */ - - -#endif - - - -#ifdef GC_AMIGA_AM - -#ifndef GC_AMIGA_FASTALLOC - -void *GC_amiga_allocwrapper(size_t size,void *(*AllocFunction)(size_t size2)){ - return (*AllocFunction)(size); -} - -void *(*GC_amiga_allocwrapper_do)(size_t size,void *(*AllocFunction)(size_t size2)) - =GC_amiga_allocwrapper; - -#else - - - - -void *GC_amiga_allocwrapper_firsttime(size_t size,void *(*AllocFunction)(size_t size2)); - -void *(*GC_amiga_allocwrapper_do)(size_t size,void *(*AllocFunction)(size_t size2)) - =GC_amiga_allocwrapper_firsttime; - - -/****************************************************************** - Amiga-spesific routines to obtain memory, and force GC to give - back fast-mem whenever possible. - These hacks makes gc-programs go many times faster when - the amiga is low on memory, and are therefore strictly necesarry. - - -Kjetil S. Matheussen, 2000. -******************************************************************/ - - - -/* List-header for all allocated memory. */ - -struct GC_Amiga_AllocedMemoryHeader{ - ULONG size; - struct GC_Amiga_AllocedMemoryHeader *next; -}; -struct GC_Amiga_AllocedMemoryHeader *GC_AMIGAMEM=(struct GC_Amiga_AllocedMemoryHeader *)(int)~(NULL); - - - -/* Type of memory. Once in the execution of a program, this might change to MEMF_ANY|MEMF_CLEAR */ - -ULONG GC_AMIGA_MEMF = MEMF_FAST | MEMF_CLEAR; - - -/* Prevents GC_amiga_get_mem from allocating memory if this one is TRUE. */ -#ifndef GC_AMIGA_ONLYFAST -BOOL GC_amiga_dontalloc=FALSE; -#endif - -#ifdef GC_AMIGA_PRINTSTATS -int succ=0,succ2=0; -int nsucc=0,nsucc2=0; -int nullretries=0; -int numcollects=0; -int chipa=0; -int allochip=0; -int allocfast=0; -int cur0=0; -int cur1=0; -int cur10=0; -int cur50=0; -int cur150=0; -int cur151=0; -int ncur0=0; -int ncur1=0; -int ncur10=0; -int ncur50=0; -int ncur150=0; -int ncur151=0; -#endif - -/* Free everything at program-end. */ - -void GC_amiga_free_all_mem(void){ - struct GC_Amiga_AllocedMemoryHeader *gc_am=(struct GC_Amiga_AllocedMemoryHeader *)(~(int)(GC_AMIGAMEM)); - struct GC_Amiga_AllocedMemoryHeader *temp; - -#ifdef GC_AMIGA_PRINTSTATS - printf("\n\n" - "%d bytes of chip-mem, and %d bytes of fast-mem where allocated from the OS.\n", - allochip,allocfast - ); - printf( - "%d bytes of chip-mem were returned from the GC_AMIGA_FASTALLOC supported allocating functions.\n", - chipa - ); - printf("\n"); - printf("GC_gcollect was called %d times to avoid returning NULL or start allocating with the MEMF_ANY flag.\n",numcollects); - printf("%d of them was a success. (the others had to use allocation from the OS.)\n",nullretries); - printf("\n"); - printf("Succeded forcing %d gc-allocations (%d bytes) of chip-mem to be fast-mem.\n",succ,succ2); - printf("Failed forcing %d gc-allocations (%d bytes) of chip-mem to be fast-mem.\n",nsucc,nsucc2); - printf("\n"); - printf( - "Number of retries before succeding a chip->fast force:\n" - "0: %d, 1: %d, 2-9: %d, 10-49: %d, 50-149: %d, >150: %d\n", - cur0,cur1,cur10,cur50,cur150,cur151 - ); - printf( - "Number of retries before giving up a chip->fast force:\n" - "0: %d, 1: %d, 2-9: %d, 10-49: %d, 50-149: %d, >150: %d\n", - ncur0,ncur1,ncur10,ncur50,ncur150,ncur151 - ); -#endif - - while(gc_am!=NULL){ - temp=gc_am->next; - FreeMem(gc_am,gc_am->size); - gc_am=(struct GC_Amiga_AllocedMemoryHeader *)(~(int)(temp)); - } -} - -#ifndef GC_AMIGA_ONLYFAST - -/* All memory with address lower than this one is chip-mem. */ - -char *chipmax; - - -/* - * Allways set to the last size of memory tried to be allocated. - * Needed to ensure allocation when the size is bigger than 100000. - * - */ -size_t latestsize; - -#endif - - -/* - * The actual function that is called with the GET_MEM macro. - * - */ - -void *GC_amiga_get_mem(size_t size){ - struct GC_Amiga_AllocedMemoryHeader *gc_am; - -#ifndef GC_AMIGA_ONLYFAST - if(GC_amiga_dontalloc==TRUE){ -// printf("rejected, size: %d, latestsize: %d\n",size,latestsize); - return NULL; - } - - // We really don't want to use chip-mem, but if we must, then as little as possible. - if(GC_AMIGA_MEMF==(MEMF_ANY|MEMF_CLEAR) && size>100000 && latestsize<50000) return NULL; -#endif - - gc_am=AllocMem((ULONG)(size + sizeof(struct GC_Amiga_AllocedMemoryHeader)),GC_AMIGA_MEMF); - if(gc_am==NULL) return NULL; - - gc_am->next=GC_AMIGAMEM; - gc_am->size=size + sizeof(struct GC_Amiga_AllocedMemoryHeader); - GC_AMIGAMEM=(struct GC_Amiga_AllocedMemoryHeader *)(~(int)(gc_am)); - -// printf("Allocated %d (%d) bytes at address: %x. Latest: %d\n",size,tot,gc_am,latestsize); - -#ifdef GC_AMIGA_PRINTSTATS - if((char *)gc_amchipmax || ret==NULL){ - if(ret==NULL){ - nsucc++; - nsucc2+=size; - if(rec==0) ncur0++; - if(rec==1) ncur1++; - if(rec>1 && rec<10) ncur10++; - if(rec>=10 && rec<50) ncur50++; - if(rec>=50 && rec<150) ncur150++; - if(rec>=150) ncur151++; - }else{ - succ++; - succ2+=size; - if(rec==0) cur0++; - if(rec==1) cur1++; - if(rec>1 && rec<10) cur10++; - if(rec>=10 && rec<50) cur50++; - if(rec>=50 && rec<150) cur150++; - if(rec>=150) cur151++; - } - } -#endif - - if (((char *)ret)<=chipmax && ret!=NULL && (rec<(size>500000?9:size/5000))){ - ret=GC_amiga_rec_alloc(size,AllocFunction,rec+1); -// GC_free(ret2); - } - - return ret; -} -#endif - - -/* The allocating-functions defined inside the amiga-blocks in gc.h is called - * via these functions. - */ - - -void *GC_amiga_allocwrapper_any(size_t size,void *(*AllocFunction)(size_t size2)){ - void *ret,*ret2; - - GC_amiga_dontalloc=TRUE; // Pretty tough thing to do, but its indeed necesarry. - latestsize=size; - - ret=(*AllocFunction)(size); - - if(((char *)ret) <= chipmax){ - if(ret==NULL){ - //Give GC access to allocate memory. -#ifdef GC_AMIGA_GC - if(!GC_dont_gc){ - GC_gcollect(); -#ifdef GC_AMIGA_PRINTSTATS - numcollects++; -#endif - ret=(*AllocFunction)(size); - } -#endif - if(ret==NULL){ - GC_amiga_dontalloc=FALSE; - ret=(*AllocFunction)(size); - if(ret==NULL){ - WARN("Out of Memory! Returning NIL!\n", 0); - } - } -#ifdef GC_AMIGA_PRINTSTATS - else{ - nullretries++; - } - if(ret!=NULL && (char *)ret<=chipmax) chipa+=size; -#endif - } -#ifdef GC_AMIGA_RETRY - else{ - /* We got chip-mem. Better try again and again and again etc., we might get fast-mem sooner or later... */ - /* Using gctest to check the effectiviness of doing this, does seldom give a very good result. */ - /* However, real programs doesn't normally rapidly allocate and deallocate. */ -// printf("trying to force... %d bytes... ",size); - if( - AllocFunction!=GC_malloc_uncollectable -#ifdef ATOMIC_UNCOLLECTABLE - && AllocFunction!=GC_malloc_atomic_uncollectable -#endif - ){ - ret2=GC_amiga_rec_alloc(size,AllocFunction,0); - }else{ - ret2=(*AllocFunction)(size); -#ifdef GC_AMIGA_PRINTSTATS - if((char *)ret2chipmax){ -// printf("Succeeded.\n"); - GC_free(ret); - ret=ret2; - }else{ - GC_free(ret2); -// printf("But did not succeed.\n"); - } - } -#endif - } - - GC_amiga_dontalloc=FALSE; - - return ret; -} - - - -void (*GC_amiga_toany)(void)=NULL; - -void GC_amiga_set_toany(void (*func)(void)){ - GC_amiga_toany=func; -} - -#endif // !GC_AMIGA_ONLYFAST - - -void *GC_amiga_allocwrapper_fast(size_t size,void *(*AllocFunction)(size_t size2)){ - void *ret; - - ret=(*AllocFunction)(size); - - if(ret==NULL){ - // Enable chip-mem allocation. -// printf("ret==NULL\n"); -#ifdef GC_AMIGA_GC - if(!GC_dont_gc){ - GC_gcollect(); -#ifdef GC_AMIGA_PRINTSTATS - numcollects++; -#endif - ret=(*AllocFunction)(size); - } -#endif - if(ret==NULL){ -#ifndef GC_AMIGA_ONLYFAST - GC_AMIGA_MEMF=MEMF_ANY | MEMF_CLEAR; - if(GC_amiga_toany!=NULL) (*GC_amiga_toany)(); - GC_amiga_allocwrapper_do=GC_amiga_allocwrapper_any; - return GC_amiga_allocwrapper_any(size,AllocFunction); -#endif - } -#ifdef GC_AMIGA_PRINTSTATS - else{ - nullretries++; - } -#endif - } - - return ret; -} - -void *GC_amiga_allocwrapper_firsttime(size_t size,void *(*AllocFunction)(size_t size2)){ - atexit(&GC_amiga_free_all_mem); - chipmax=(char *)SysBase->MaxLocMem; // For people still having SysBase in chip-mem, this might speed up a bit. - GC_amiga_allocwrapper_do=GC_amiga_allocwrapper_fast; - return GC_amiga_allocwrapper_fast(size,AllocFunction); -} - - -#endif //GC_AMIGA_FASTALLOC - - - -/* - * The wrapped realloc function. - * - */ -void *GC_amiga_realloc(void *old_object,size_t new_size_in_bytes){ -#ifndef GC_AMIGA_FASTALLOC - return GC_realloc(old_object,new_size_in_bytes); -#else - void *ret; - latestsize=new_size_in_bytes; - ret=GC_realloc(old_object,new_size_in_bytes); - if(ret==NULL && GC_AMIGA_MEMF==(MEMF_FAST | MEMF_CLEAR)){ - /* Out of fast-mem. */ -#ifdef GC_AMIGA_GC - if(!GC_dont_gc){ - GC_gcollect(); -#ifdef GC_AMIGA_PRINTSTATS - numcollects++; -#endif - ret=GC_realloc(old_object,new_size_in_bytes); - } -#endif - if(ret==NULL){ -#ifndef GC_AMIGA_ONLYFAST - GC_AMIGA_MEMF=MEMF_ANY | MEMF_CLEAR; - if(GC_amiga_toany!=NULL) (*GC_amiga_toany)(); - GC_amiga_allocwrapper_do=GC_amiga_allocwrapper_any; - ret=GC_realloc(old_object,new_size_in_bytes); -#endif - } -#ifdef GC_AMIGA_PRINTSTATS - else{ - nullretries++; - } -#endif - } - if(ret==NULL){ - WARN("Out of Memory! Returning NIL!\n", 0); - } -#ifdef GC_AMIGA_PRINTSTATS - if(((char *)ret) - - * doc/gcinterface.html: Improve C++ interface documentation. - -2008-03-10 Hans Boehm - - * allchblk.c (GC_allochblk): Check for overflow during size - rounding. - * tests/huge_test.c: New. - * Makefile.direct, tests/tests.am: Add huge_test.c - * Makefile.in: Regenerate. - -2008-02-29 Hans Boehm - - * pthread_support.c: Fix typo in comment. - * os_dep.c (GC_win32_get_mem): Add heap section only if - allocation succeeded. - -2008-02-28 Hans Boehm - - * malloc.c: (free replacement) Fix caller address space check. - -2008-02-25 Hans Boehm - - * finalize.c (GC_grow_table): Dereference table in null-check. - -2008-02-24 Hans Boehm - - * win32_threads.c (GC_delete_gc_thread, GC_delete_thread): - Consistently call CloseHandle. (GC_suspend): Call - GC_delete_gc_thread. - * tests/test.c: Don't reference GC_print_stats if not exported. - -2008-02-20 Hans Boehm - - * tests/test.c (run_one_test): Don't mention pthread_self(). - * misc.c: Declare GC_thr_init(). - -2008-02-20 Hans Boehm - - * allchblk.c (add_to_fl): disable assertions with USE_MUNMAP, - and refine assertions to handle huge unmergable blocks. - (GC_allochblk_nth): Add comment. - -2008-02-20 Hans Boehm - - * include/private/gcconfig.h: Add misssing FREEBSD macro - consistency test. - -2008-02-20 Hans Boehm - - * allchblk.c (GC_enough_large_bytes_left): No longer take - parameters; return free list index bound. - (GC_merge_unmapped): Don't access nexthdr until after null test. - (Fixes bug in 1/29/08 check-in.) (GC_allochblk): Calculate - when splitting is allowable only once here, not when considering each - block. (GC_allchblk_nth): Accept new may_split parameter. - Avoid some redundant tests for exact size matches. - * alloc.c (GC_should_collect): Cache min_bytes_allocd. - (GC_maybe_gc): Make locking assertion testable. - * mark_rts.c: Fix indentation. - * pthread_stop_world.c: Replace old GC_err_printf1 reference. - * tests/test.c: Remove (void) casts. Optionally print some - timing information. - -2008-02-15 Hans Boehm - - * windows-untested/gc.def: Remove CreateThread line. - * windows-untested/README: New file. - * win32_threads.c (GC_use_DllMain): Force collector initialization. - (GC_init_parallel): Reformat comment. - * include/gc.h (GC_use_DllMain): Clarify usage rules in comment. - * mark.c (GC_mark_from): Slightly simplify GC_DS_PER_OBJECT code. - * include/gc_cpp.h: Add matching placement delete overloads - everywhere. - * include/private/gc_locks.h (NO_THREAD): Add cast. - * include/private/gcconfig.h: Add test for __HP_aCC. - * configure.ac, tests/tests.am: Avoid libgccpp on HP/UX. - * Makefile.in, configure: Regenerate. - -2008-02-11 Hans Boehm (partly David Leonard) - - * doc/README.win32: Fix typo. - * configure.ac: Fix printing of enable-shared result. - * configure: Regenerate. - -2008-02-08 Hans Boehm - - * misc.c (GC_init_inner): Assert !GC_need_to_lock only when - defined. (GC_call_with_stack_base): Add GC_API. - * os_dep.c (GC_get_stack_base): Add GC_API. - * win32_threads.c: (GC_register_my_thread, GC_unregister_my_thread): - Add GC_API. - * include/gc.h: Add GC_API annotations. - * include/private/gc_locks.h: Define UNCOND_LOCK etc. also for - PCR. - * include/private/gc_pmark.h: Fix comments. - -2008-02-06 Hans Boehm (mostly from Henning Makholm) - - * include/private/gc_priv.h, mark_rts.c, typd_mlc.c: - Add GC_push_typed_structures() to push GC_ext_descriptors. - -2008-01-31 Hans Boehm (mostly from Andreas Tobler) - - * tests/test.c: Call GC_INIT for DARWIN; test system type using - gcconfig.h-defined macros. - -2008-01-29 Hans Boehm - - * allchblk.c (GC_merge_unmapped, GC_freehblk): Refuse to create - blocks large enough that their size, when interpreted as a signed - value, would be negative. - * include/private/gc_priv.h: Comment hb_sz range limit. - -2008-01-29 Hans Boehm (with help from Manuel Serrano) - - * mark.c (GC_push_next_marked): correct comment. - * Makefile.direct: document NO_PROC_STAT. - * include/private/gcconfig.h: Accomodate NO_PROC_STAT. - -2008-01-10 Hans Boehm - - * include/gc_version.h, configure.ac, doc/README: - Change to version 7.1alpha3. - * configure: Regenerate. - -[7.1alpha2] - -2008-01-10 Hans Boehm - - * include/gc_version.h, configure.ac, doc/README: - Change to version 7.1alpha2. - * configure: Regenerate. - -2008-01-10 Hans Boehm - - * Makefile.am: Mention atomic_ops.c and atomic_ops_sysdeps.S - again. Refer to build directory as ".". - * Makefile.in: Regenerate. - -2008-01-10 Hans Boehm - - * configure.ac: Ignore --enable-parallel-mark on Darwin for now. - * configure: Regenerate. - * darwin_stop_world.c: Add FIXME comment for parallel marker. - -2008-01-09 Hans Boehm - - * include/private/gc_priv.h: Update MAX_ROOT_SETS - and LOG_PHT_ENTRIES to handle larger heaps. - -2008-01-03 Hans Boehm - - * include/gc.h (GC_INIT,GC_init): Update comments. - -2008-01-03 Hans Boehm (based on a patch from - John Bowman, and an ancient patch from Fergus Henderson) - - * allchblk.c, alloc.c, include/private/gc_priv.h: - Track GC_bytes_dropped and use in GC triggering decisions. - * alloc.c (min_bytes_allocd): Weight atomic blocks less. - -2008-01-02 Hans Boehm - - * alloc.c (GC_add_to_heap): Call GC_install_header(p) AFTER - adjusting p. - -2007-12-23 Hans Boehm - - * Makefile.am: Add NT_X64_THREADS_MAKEFILE. - -2007-12-23 Hans Boehm (Really mostly Friedrich Dominicus) - - * NT_X64_STATIC_THREADS_MAKEFILE: Clean up obsolete comment. - * alloc.c: Add declaration for GC_add_current_malloc_heap. - * win32_threads.c (GC_beginthreadex): Clean up error - return code. - * doc/README.win64, NT_X64_THREADS_MAKEFILE, Makefile.direct: - Add NT_X64_THREADS_MAKEFILE. - -2007-12-21 Hans Boehm - - * alloc.c: Define GC_version instead of in version.h. - * version.h: Remove. - * include/gc_version.h: Move most of version.h here. - * include/gc.h: Include gc_version.h. - * gcname.c, add_gc_prefix.c: include gc.h instead of version.h. - * Makefile.direct, Makefile.dj, Makefile.am, include/include.am: - Adjust for version.h rename. - * Makefile.in: Regenerate. - -2007-12-21 Hans Boehm (Really mostly russ sludge dot net) - - * configure.ac: Put libatomic_ops links in build directory. - * configure: Regenerate. - * Makefile.am: Dont mention atomic_ops.c and atomic_ops_sysdeps.S - as nodist sources. - -2007-12-20 Hans Boehm - - * include/gc.h, doc/README.macros: Add GC_NO_THREAD_REDIRECTS, - GC_NO_THREAD_DECLS, don't test explicitly for GC_SOLARIS_THREADS. - -2007-12-20 Hans Boehm - - * alloc.c: Deal correctly with address wrapping for - GC_greatest_plausible_heap_addr and GC_least_plausible_heap_addr. - * finalize.c, include/gc.h (GC_register_disappearing_link, - GC_register_finalizer_inner): Improve out-of-memory handling. - * include/private/gc_pmark.h: Fix comment spelling. - -2007-12-18 Hans Boehm (really mainly Peter Wang) - - * include/gc_inline.h, include/gc_tiny_fl.h: cleanups to make usable - in other contexts. - -2007-12-18 Hans Boehm (really Radek Polak) - - * include/gc.h: Don't define GC_HAVE_BUILTIN_BACKTRACE for uclibc. - -2007-12-18 Hans Boehm - - * gc_cpp.cc: Don't include gc_cpp.h from local directory. - -2007-12-18 Hans Boehm (really Adam Megacz) - - * allchblk.c, configure.ac (add --enable-munmap) - * configure: Regenerate. - -2007-12-10 Andreas Tobler - - * dyn_load.c (GC_dyld_image_add): Remove ifdef clause and use the macro - GC_GETSECTBYNAME instead. - * include/private/gc_priv.h: Define GC_GETSECTBYNAME according to the - architecture (Darwin). - -2007-10-24 Hans Boehm - - * reclaim.c (GC_bytes_found): Expand comment. - * thread_local_alloc.c (GC_malloc_atomic, GC_gcj_malloc): Pass - granules, not bytes, to GC_FAST_MALLOC_GRANS. - * include/gc.h: Never include gc_local_alloc.h. - * tests/test.c: Add size zero allocation tests. - -2007-10-23 Hans Boehm - - * malloc.c: Update GC_large_allocd_bytes on explicit deallocation. - * allchblk.c: Sanity check GC_max_large_allocd_bytes. - -2007-10-23 Hans Boehm (Really Manuel Serrano) - - * Makefile.direct: Invoke $(MAKE) instead of make. - -2007-10-23 Hans Boehm - - * doc/scale.html: Reflect gc7 thread local allocation behavior. - -2007-10-23 Hans Boehm (really Petter Urkedal) - - * include/extra/gc.h, include/extra/gc_cpp.h: New. - * include/include.am: Install gc.h and gc_cpp.h in $(prefix)/include - again. - * Makefile.in: Regenerate. - -2007-08-15 Hans Boehm (really Samuel Thibault) - - * pthread_support.c (GC_thr_init): Use sysconf(_SC_NPROCESSORS_ONLN) - for HURD. - -2007-08-14 Hans Boehm (really David Daney) - - * include/private/gcconfig.h: Add Linux/mips-64 support. - -2007-08-14 Hans Boehm (really mostly Samuel Thibault) - - * dbg_mlc.c: Use random() on all glibc systems. - * mach_dep.c (GC_with_callee_saves_pushed): Don't use getcontext() on - HURD. Add comment. - * pthread_stop_world.c (GC_suspend_handler, GC_stop_init): Accomodate - systems without SA_SIGINFO. - -2007-08-14 Hans Boehm (partly really Henrik Theiling) - - * include/gc.h (GC_PTR_STORE): Fix non-DEBUG parentheses. - * tests/test.c (run_one_test): Add GC_PTR_STORE test. - No longer test for RS6000. - -2007-08-03 Hans Boehm - - * alloc.c, backgraph.c, headers.c, include/private/gc_priv.h: - Maintain GC_our_memory and GC_n_memory. - * dbg_mlc.c (GC_print_smashed_obj): Improve message. - (GC_print_all_smashed_proc): Pass client object address instead of - base. - * dyn_load.c (sort_heap_sects): New. (GC_register_map_entries): - Register sections that are contiguous and merged with our heap. - * malloc.c, os_dep.c (GC_text_mapping): Check for just base name - of libraries. - * malloc.c (calloc): Check for special callers even with - USE_PROC_FOR_LIBRARIES. Move assertion. Add rudimentary - malloc/free tracing. - * misc.c: No longer call GC_init_lib_bounds explicitly. - * thread_local_alloc.c (GC_malloc, GC_malloc_atomic): Always - initialize on demand. - * tests/test.c: Call GC_INIT only when required. - -2007-08-03 Hans Boehm - - * Makefile.direct: Remove comment fragment. - * tests/tests.am: Add smashtest. - * Makefile.in: Regenerate. - * configure.ac: Define GC_USE_DLOPEN_WRAP with redirect-malloc. - * configure: Regenerate. - * pthread_support.c: Fix comment spelling. - * include/private/gcconfig.h: Define USE_PROC_FOR_LIBRARIES with - GC_LINUX_THREADS and REDIRECT_MALLOC. - * tests/smash_test.c: Initial check-in. - * obj_map.c: Print log entry to correct file. - * include/private/thread_local_alloc.h: Add TlsAlloc error check. - -2007-07-23 Hans Boehm - - * alloc.c (GC_stopped_mark): Call GC_add_current_malloc_heap() - while world is still running. - * os_dep.c (GC_is_heap_base): Don't call GC_add_current_malloc_heap() - with world stopped. - * include/gc.h (GC_INIT for cygwin): Always call GC_add_roots. - * misc.c (GC_init/GC_init_inner): Perform all work in - GC_init_inner. - * Makefile.direct: Expand -DUSE_MUNMAP comment. - -2007-07-23 Hans Boehm (really Jim Marshall) - - * include/gc.h: Define uintptr_t explicitly for VC++6. - * msvc_dbg.c (GetModuleBase): Revert to strcat if strcat_s doesn't - exist. - -2007-07-02 Hans Boehm - - * version.h, configure.ac, doc/README: Change to version 7.1alpha1. - * configure: Regenerate. - -2007-07-02 Hans Boehm - - * version.h, configure.ac, doc/README: Change to version 7.0. - * configure: Regenerate. - -2007-07-02 Hans Boehm - - * include/gc_config_macros.h: Also check for IA64 when setting - GC_HPUX_THREADS. - * mallocx.c: Change my_bytes_allocd to signed_word. - * include/gc_pthread_redirects.h: Remove obsolete Solaris threads - (as opposed to pthreads) support. - -2007-07-02 Hans Boehm - - * mach_dep.c (GC_with_callee_saves_pushed): Don't use getcontext() - on ARM/Linux. Check getcontext() return value. - -2007-06-29 Hans Boehm - - * backgraph.c (per_object_func): Make argument types consistent. - (GC_traverse_back_graph): Mark GC_deepest_obj. - -2007-06-29 Hans Boehm - - * finalize.c (GC_finalize): Change dl_size and fo_size to size_t. - * os_dep.c (GC_win32_get_mem): Add GC_mem_top_down option. - -2007-06-28 Hans Boehm - - * doc/README.win32, doc/README, README.QUICK: Fix some of the worst - anachronisms. - * dyn_load.c: Partially support cygwin, but don't enable it yet. - -2007-06-28 Hans Boehm - - * Makefile.am: Use -no-undefined for libgc. - * Makefile.in: Regenerate. - * Makefile.direct: Document USE_PROC_FOR_LIBRARIES. - * dyn_load.c (GC_register_map_entries): Rename prot_buf to prot - consistently. - * misc.c: Fix some WARN calls. Move GC_is_initialized setting and - GC_thr_init() call. - * os_dep.c: Consistently use WARN where appropriate. - * thread_local_alloc.c: Revert change to GC_WIN32_THREADS test. Instead - remove inappropriate pthread.h include. - * doc/README.linux: Remove some anachronisms. - -2007-06-23 Hans Boehm - - * alloc.c: Also use GC_check_tls on non-Linux systems. - * mallocx.c (GC_reclaim_generic): Remove bogus declaration. - * include/private/gc_priv.h (GC_reclaim_generic): Declare correctly - with prototype. - -2007-06-19 Hans Boehm - - * alloc.c (GC_adj_bytes_allocd): Avoid (long) casts, fix comment. - (GC_print_heap_sects): Use size_t instead of unsigned long. - * thread_local_alloc.c (GC_lookup_thread): Define in the correct - context. - * win32_threads.c, include/gc_config_macros.h: The last of Romano - Paolo Tenca's patch. Move stdint.h include to gc_config_macros.h. - * include/gc_inline.h: Avoid gc_priv.h dependencies. - * tests/test.c (check_heap_stats): Replace unsigned long with size_t. - -2007-06-12 Hans Boehm - - * aclocal.m4: Regenerate to update date. - -2007-06-10 Hans Boehm - - * NT_X64_STATIC_THREADS_MAKEFILE: Replace obsolete -debugtype:cv. - * mark_rts.c (GC_push_roots): Fix kind type. - -2007-06-06 Hans Boehm - - * doc/README.win64: New file. - * doc/doc.am, Makefile.direct: Add README.win64. - * Makefile.in: Regenerate. - -2007-06-06 Hans Boehm - - * Makefile.am, Makefile.direct: Add NT_X64_STATIC_THREADS_MAKEFILE. - * Makefile.in: Regenerate. - * NT_X64_STATIC_THREADS_MAKEFILE: Fix warning flags. - * allochblk.c, alloc.c, blacklst.c, dbg_malc.c, dyn_load.c, - finalize.c, headers.c, mach_dep.c, malloc.c, mark.c, misc.c, - obj_map.c, os_dep.c, ptr_chck.c, reclaim.c, typd_mlc.c, - win32_threads.c, cord/de_win.c, include/gc_mark.h, - include/private/gc_hdrs.h, include/private/gc_pmark.h, - include/private/gc_priv.h, tests/test_cpp.cc: - Replace old style function declarations. Clean up integral types. - Remove register declarations. The change in malloc.c and the - "int descr" declaration in mark.c are the most likely to have - been real bugs outside of win64. - * msvc_dbg.c: Disable on win64. - * win32_threads.c: Add AMD64 support. - * include/gc.h: no backtrace on AMD64 for now. - -2007-06-06 Hans Boehm - - * msvc_dbg.c(GetModuleBase): Replace strcat with strcat_s. - -2007-06-06 Hans Boehm - - * include/gc.h: (GC_word, GC_signed_word): Fix win64 definitions. - Don't include windows.h in an extern "C" context. - * include/private/gcconfig.h: Fix win64/X86_64 configuration. - * tests/test.c: Eliminate more old style function definitions. - Cleanup pointer and integer casts for win64. - * tests/test_cpp.cc: Don't include gc_priv.h. - * NT_STATIC_THREADS_MAKEFILE: Restrict suffixes for VC++ 2005. - * NT_X64_STATIC_THREADS_MAKEFILE: New. - -2007-06-06 Hans Boehm (Really mostly Romano Paolo Tenca) - - * win32_threads.c: Separate out DEBUG_WIN32_PTHREADS_STACK. Ignore - FINISHED threads for suspension. (GC_pthread_join): Add - pthread_self() cast. (GC_pthread_start_inner): Execute cleanup - handler when popping it. - * include/private/gc_locks.h: Inline THREAD_EQUAL for - GC_WIN32_PTHREADS. Define USE_PTHREAD_LOCKS only if we have - pthreads. - -2007-05-23 Hans Boehm (Really mostly Romano Paolo Tenca) - - * gc_dlopen.c, thread_local_alloc.c, threadlibs.c, win32_threads.c, - tests/test.c: Accomodate GC_WIN32_PTHREADS. - * include/gc.h: Don't include windows.h for GC_WIN32_PTHREADS. - * include/gc_config_macros.h: Define both PTHREADS and - GC_WIN32_THREADS. - * include/private/gc_locks.h: Nonstandard definitions of - NUMERIC_THREAD_ID for GC_WIN32_PTHREADS. - * doc/README.win32, Makefile.direct: Include documentation - for GC_WIN32_PTHREADS. - * Makefile.direct: Remove some anachronisms in the documentation. - -2007-05-23 Hans Boehm - - * Makefile.am: Move includes to bottom. Add better library - dependencies. Increment library version. Remove "SUBDIRS += .". - * cord/cord.am, tests/tests.am: Add better library dependencies. - Remove now unnecessary dependencies. - * Makefile.in: Regenerate. - * include/gc.h (GC_begin_thread_ex, GC_endthreadex, GC_ExitThread): - Move to define on all Windows platforms. (_beginthread): define - to generate error if used. - -2007-05-22 Hans Boehm - - * include/private/gc_locks.h: Format to 80 columns. - -2007-05-22 Hans Boehm - - * malloc.c(GC_free): Ignore bad frees on MSWIN32 with REDIRECT_MALLOC. - * NT_MAKEFILE: msvc_dbg.h is in include/private. Don't use cvars - rc. - * misc.c (WIN32 GC_write): Define GC_need_to_lock in single-threaded - case. - * win32_threads.c: Test for __MINGW32__ in addition to _MINGW_VER. - (GC_CreateThread, GC_beginthreadex): Deallocate args even if we fail. - * include/gc.h: Add GC_reachable_here(). (GC_WinMain): Add GC_API. - (GC_beginthreadex, GC_endthreadex, GC_ExitThread): Declare. - * tests/test.c: Add GC_reachable_here() call. - -2007-05-21 Hans Boehm - - * alloc.c (GC_try_to_collect): Call GC_init if necessary. - * tests/thread_leak_test.c: Don't unconditionally define - GC_LINUX_THREADS. - -2007-05-21 Andreas Tobler - - * Makefile.am: Remove extra_ldflags_libgc definition. - * Makefile.in: Regenerate. - -2007-05-17 Hans Boehm - - * include/private/gc_priv.h: Define AO_REQUIRE_CAS. - -2007-05-16 Hans Boehm - - * finalize.c (GC_unreachable_finalize_mark_proc): Don't return void - value. - -2007-05-15 Hans Boehm - - * configure.ac, version.h, doc/README: Change version to 7.0alpha10. - * configure: Regenerate. - -[7.0alpha9 release] - -2007-05-15 Hans Boehm - - * configure.ac, version.h, doc/README: Change version to 7.0alpha9. - * configure: Regenerate. - -2007-05-15 Hans Boehm - - * Makefile.am: Include NT_STSTIC_THREADS_MAKEFILE in dist. - * Makefile.in: Regenerate. - * include/private/gc_locks.h: GC_compare_and_exchange, GC_atomic_add: - remove. NUMERIC_THREAD_ID, THREAD_EQUAL: New. GC_lock_holder: now - unsigned long. I_DONT_HOLD_LOCK, I_HOLD_LOCK: Update. - * pthread_stop_world.c, pthread_support.c, win32_threads.c: Use - NUMERIC_THREAD_ID, THREAD_EQUAL. - * include/private/gcconfig.h: GENERIC_COMPARE_AND_SWAP: Remove. - * include/private/thread_local_alloc.h: Don't USE_COMPILER_TLS on - ARM. - -2007-05-11 Hans Boehm - - * dbg_mlc.c, include/gc.h, finalize.c: Merge Alexandre Oliva's - GC_debug_register_finalizer_unreachable() patch from gcc tree. - * thread_local_alloc.c (GC_malloc, GC_malloc_atomic): Add assertions - to check GC has been initialized. - -2007-05-10 Hans Boehm - - * include/gc_cpp.h: Documentation updates. - * include/gc_config_macros.h: Don't check for __ppc__ to set - DARWIN_THREADS. - * Makefile.am: Include configure_atomic_ops.sh in dist. - * Makefile.in: Regenerate. - -2007-05-08 Hans Boehm - - * Makefile.am: Dont distribute copied atomic_ops files. Include - libatomic_ops with "make dist". - * Makefile.in: Regenerate. - * configure: Regenerate. - * configure.ac: Enable THREAD_LOCAL_ALLOC for Cygwin with threads. - * win32_threads.c: Report error for Cygwin + GC_DLL. - -2007-05-08 Hans Boehm - - * Makefile.direct: Update THREAD_LOCAL_ALLOC documentation. - * cord/de_win.c: Rename and move AboutBox. Call GC_INIT. Remove - MakeProcInstance anachronism. - * doc/README.macros: Officially remove elif prohibition. - Remove documentation for defunct SRC_M3 support. - * include/gc.h: Remove more SRC_M3 references. - * include/private/gcconfig.h: Remove still more SRC_M3 references. - GC_SOLARIS_THREADS no longer needs to be checked separately. - -2007-05-08 Hans Boehm - - * thread_local_alloc.c, include/private/thread_local_alloc.h: - Spell __declspec correctly. - * NT_STATIC_THREADS_MAKEFILE: Enable thread-local allocation. - -2007-05-07 Hans Boehm - - * doc/README.win32: Adjust GC_win32_dll_threads rules again. - -2007-05-07 Hans Boehm - - * mark.c (GC_mark_some wrapper): Restructure for readability, handle - GC_started_thread_while_stopped. - * misc.c (Win32 GC_write): Lock GC_write_cs only if needed. - * win32_threads.c: (client_has_run): remove, - GC_started_thread_while_stopped, GC_attached_thread: add. - (GC_push_all_stacks): Add verbose output. - (DllMain): Avoid initializing collector or the like. - Never update both thread tables. - * doc/README.win32: Adjust GC_win32_dll_threads rules. - -2007-05-07 Hans Boehm - - * pthread_stop_world.c (GC_push_all_stacks): Print thread count with - GC_PRINT_VERBOSE_STATS. - -2007-05-01 Hans Boehm - (and Manuel Serrano, Craig McDaniel) - - * configure.ac: Comment out redundant - AC_DEFINE(NO_EXECUTE_PERMISSION). - * configure: Regenerate. - * sparc_mach_dep.S: Remove single quote in comment. - * include/private/gcconfig.h: Fix DATAEND for NONSTOP. - * win32_threads.c: Include stdint.h for Mingw. Add GC_API for DllMain. - (GC_use_DllMain): Fix assertion. - -2007-02-14 Andreas Tobler - - * configure.ac: Introduce extra_ldflags_libgc. Use it for Darwin. - * configure: Regenerate. - * Makefile.am (libgc_la_LDFLAGS): Use extra_ldflags_libgc. - * Makefile.in: Regenerate. - * include/private/gcconfig.h: Enable MPROTECT_VDB for all Darwin - targets. Remove comments. - Prepare ppc64 support for Darwin. - -2007-01-29 Andreas Tobler - - * darwin_stop_world.c: Clean up and reformat code. - -2007-01-28 Andreas Tobler - - * darwin_stop_world.c (GC_push_all_stacks): Fix compiler warnings. - Make i unsigned. - (GC_stop_world): Likewise. Remove unused GC_thread p. - (GC_start_world): Likewise. - - * os_dep.c: Define GC_darwin_register_mach_handler_thread extern. - Remove double SIG_HNDLR_PTR definition. - (GC_forward_exception): Fix compiler warnings, make i unsigned. - Initialize thread_state to NULL. - (catch_exception_raise): Fix compiler warnings, make i unsigned. - -2007-01-25 Petr Salinger and Hans Boehm - - * include/private/gc_priv.h (NEED_FIND_LIMIT, FREEBSD variant): - also define for X86_64. - * configure.ac: Move generic gnu (Hurd) case to below kfreebsd case. - * configure: Regenerate. - * README.changes: Point to ChangeLog. - -2007-01-25 Andreas Tobler - - * darwin_stop_world.c: Move THREAD_FLD defines to ... - * include/private/gc_priv.h: ... here. - Fix THREAD_STATE definitions for ppc64. - * os_dep.c (catch_exception_raise): Use THREAD_FLD for exc_state member - access. - -2007-01-18 Andreas Tobler - - * os_dep.c (if defined(MPROTECT_VDB) && defined(DARWIN)): Clean up and - reformat code. - Correct email reference. - -2007-01-11 Andreas Tobler - - * configure.ac (i?86*-*-darwin*): Replaced HAS_I386_THREAD_STATE_* with - HAS_X86_THREAD_STATE32_*. - (x86_64-*-darwin*): Extended the above check for x86_64-*-darwin* with - HAS_X86_THREAD_STATE64_*. - Added value 1 in the above AC_DEFINE's. Important for the upcoming - Leopard. - * configure: Regenerated. - * include/private/gcconfig.h: Modified X86_64 define for Darwin. - Removed __x86_64__ check in POWERPC section. Added base definitions - for the X86_64 Darwin port. - * include/private/gc_priv.h: Added GC_MACH_HEADER and GC_MACH_SECTION - to distinguish between 32 and 64-bit applications. Added definitions - for X86_64 Darwin. - * darwin_stop_world.c: Added HAS_X86_THREAD_STATE64___RAX. And - replaced HAS_I386_THREAD_STATE___EAX with HAS_X86_THREAD_STATE32___EAX. - (GC_push_all_stacks): Added code for X86_64 Darwin. Even for the - !DARWIN_DONT_PARSE_STACK. Maybe obsolete. - * dyn_load.c (GC_dyld_name_for_hdr): Use GC_MACH_HEADER. - (GC_dyld_image_add): Use GC_MACH_HEADER and GC_MACH_SECTION. - Distinguish between getsectbynamefromheader_64 and - getsectbynamefromheader. - * os_dep.c (catch_exception_raise): Introduce exception definition for - X86_64 Darwin. Replaced old i386_EXCEPTION_STATE_* definition with - x86_EXCEPTION_STATE32_*. Add X86_64 for exc_state.faultvaddr. - -2007-01-09 Andreas Tobler - - * libtool.m4: Update to version from libtool-1.5.22. - * ltmain.sh: Likewise. - * ChangeLog: Created. - -See doc/README.changes for earlier changes. - diff --git a/vendor/gc/EMX_MAKEFILE b/vendor/gc/EMX_MAKEFILE deleted file mode 100644 index c7e5bb8..0000000 --- a/vendor/gc/EMX_MAKEFILE +++ /dev/null @@ -1,140 +0,0 @@ -# -# OS/2 specific Makefile for the EMX environment -# -# You need GNU Make 3.71, gcc 2.5.7, emx 0.8h and GNU fileutils 3.9 -# or similar tools. C++ interface and de.exe weren't tested. -# -# Rename this file "Makefile". -# - -# Primary targets: -# gc.a - builds basic library -# c++ - adds C++ interface to library and include directory -# cords - adds cords (heavyweight strings) to library and include directory -# test - prints porting information, then builds basic version of gc.a, and runs -# some tests of collector and cords. Does not add cords or c++ interface to gc.a -# cord/de.exe - builds dumb editor based on cords. -CC= gcc -CXX=g++ -# Needed only for "make c++", which adds the c++ interface - -CFLAGS= -O -DALL_INTERIOR_POINTERS -# Setjmp_test may yield overly optimistic results when compiled -# without optimization. -# -DCHECKSUMS reports on erroneously clear dirty bits, and unexpectedly -# altered stubborn objects, at substantial performance cost. -# -DFIND_LEAK causes the collector to assume that all inaccessible -# objects should have been explicitly deallocated, and reports exceptions -# -DSOLARIS_THREADS enables support for Solaris (thr_) threads. -# (Clients should also define SOLARIS_THREADS and then include -# gc.h before performing thr_ or GC_ operations.) -# -DALL_INTERIOR_POINTERS allows all pointers to the interior -# of objects to be recognized. (See gc_private.h for consequences.) -# -DSMALL_CONFIG tries to tune the collector for small heap sizes, -# usually causing it to use less space in such situations. -# Incremental collection no longer works in this case. -# -DDONT_ADD_BYTE_AT_END is meaningful only with -# -DALL_INTERIOR_POINTERS. Normally -DALL_INTERIOR_POINTERS -# causes all objects to be padded so that pointers just past the end of -# an object can be recognized. This can be expensive. (The padding -# is normally more than one byte due to alignment constraints.) -# -DDONT_ADD_BYTE_AT_END disables the padding. - -AR= ar -RANLIB= ar s - -# Redefining srcdir allows object code for the nonPCR version of the collector -# to be generated in different directories -srcdir = . -VPATH = $(srcdir) - -OBJS= alloc.o reclaim.o allchblk.o misc.o mach_dep.o os_dep.o mark_rts.o headers.o mark.o obj_map.o blacklst.o finalize.o new_hblk.o dyn_load.o dbg_mlc.o malloc.o stubborn.o checksums.o typd_mlc.o ptr_chck.o mallocx.o - -CORD_OBJS= cord/cordbscs.o cord/cordxtra.o cord/cordprnt.o - -CORD_INCLUDE_FILES= $(srcdir)/gc.h $(srcdir)/cord/cord.h $(srcdir)/cord/ec.h \ - $(srcdir)/cord/cord_pos.h - -# Libraries needed for curses applications. Only needed for de. -CURSES= -lcurses -ltermlib - -# The following is irrelevant on most systems. But a few -# versions of make otherwise fork the shell specified in -# the SHELL environment variable. -SHELL= bash - -SPECIALCFLAGS = -# Alternative flags to the C compiler for mach_dep.c. -# Mach_dep.c often doesn't like optimization, and it's -# not time-critical anyway. - -all: gc.a gctest.exe - -$(OBJS) test.o: $(srcdir)/gc_priv.h $(srcdir)/gc_hdrs.h $(srcdir)/gc.h \ - $(srcdir)/gcconfig.h $(srcdir)/gc_typed.h -# The dependency on Makefile is needed. Changing -# options affects the size of GC_arrays, -# invalidating all .o files that rely on gc_priv.h - -mark.o typd_mlc.o finalize.o: $(srcdir)/include/gc_mark.h $(srcdir)/include/private/gc_pmark.h - -gc.a: $(OBJS) - $(AR) ru gc.a $(OBJS) - $(RANLIB) gc.a - -cords: $(CORD_OBJS) cord/cordtest.exe - $(AR) ru gc.a $(CORD_OBJS) - $(RANLIB) gc.a - cp $(srcdir)/cord/cord.h include/cord.h - cp $(srcdir)/cord/ec.h include/ec.h - cp $(srcdir)/cord/cord_pos.h include/cord_pos.h - -gc_cpp.o: $(srcdir)/gc_cpp.cc $(srcdir)/gc_cpp.h - $(CXX) -c -O $(srcdir)/gc_cpp.cc - -c++: gc_cpp.o $(srcdir)/gc_cpp.h - $(AR) ru gc.a gc_cpp.o - $(RANLIB) gc.a - cp $(srcdir)/gc_cpp.h include/gc_cpp.h - -mach_dep.o: $(srcdir)/mach_dep.c - $(CC) -o mach_dep.o -c $(SPECIALCFLAGS) $(srcdir)/mach_dep.c - -mark_rts.o: $(srcdir)/mark_rts.c - $(CC) -o mark_rts.o -c $(CFLAGS) $(srcdir)/mark_rts.c - -cord/cordbscs.o: $(srcdir)/cord/cordbscs.c $(CORD_INCLUDE_FILES) - $(CC) $(CFLAGS) -c $(srcdir)/cord/cordbscs.c -o cord/cordbscs.o - -cord/cordxtra.o: $(srcdir)/cord/cordxtra.c $(CORD_INCLUDE_FILES) - $(CC) $(CFLAGS) -c $(srcdir)/cord/cordxtra.c -o cord/cordxtra.o - -cord/cordprnt.o: $(srcdir)/cord/cordprnt.c $(CORD_INCLUDE_FILES) - $(CC) $(CFLAGS) -c $(srcdir)/cord/cordprnt.c -o cord/cordprnt.o - -cord/cordtest.exe: $(srcdir)/cord/cordtest.c $(CORD_OBJS) gc.a - $(CC) $(CFLAGS) -o cord/cordtest.exe $(srcdir)/cord/cordtest.c $(CORD_OBJS) gc.a - -cord/de.exe: $(srcdir)/cord/de.c $(srcdir)/cord/cordbscs.o $(srcdir)/cord/cordxtra.o gc.a - $(CC) $(CFLAGS) -o cord/de.exe $(srcdir)/cord/de.c $(srcdir)/cord/cordbscs.o $(srcdir)/cord/cordxtra.o gc.a $(CURSES) - -clean: - rm -f gc.a tests/test.o gctest.exe output-local output-diff $(OBJS) \ - setjmp_test mon.out gmon.out a.out core \ - $(CORD_OBJS) cord/cordtest.exe cord/de.exe - -rm -f *~ - -gctest.exe: tests/test.o gc.a - $(CC) $(CFLAGS) -o gctest.exe tests/test.o gc.a - -# If an optimized setjmp_test generates a segmentation fault, -# odds are your compiler is broken. Gctest may still work. -# Try compiling setjmp_t.c unoptimized. -setjmp_test.exe: $(srcdir)/setjmp_t.c $(srcdir)/gc.h - $(CC) $(CFLAGS) -o setjmp_test.exe $(srcdir)/setjmp_t.c - -test: setjmp_test.exe gctest.exe - ./setjmp_test - ./gctest - make cord/cordtest.exe - cord/cordtest diff --git a/vendor/gc/MacOS.c b/vendor/gc/MacOS.c deleted file mode 100644 index b56bea7..0000000 --- a/vendor/gc/MacOS.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - MacOS.c - - Some routines for the Macintosh OS port of the Hans-J. Boehm, Alan J. Demers - garbage collector. - - - - 11/22/94 pcb StripAddress the temporary memory handle for 24-bit mode. - 11/30/94 pcb Tracking all memory usage so we can deallocate it all at once. - 02/10/96 pcb Added routine to perform a final collection when -unloading shared library. - - by Patrick C. Beard. - */ -/* Boehm, February 15, 1996 2:55 pm PST */ - -#include -#include -#include -#include -#include -#include - -#include "gc.h" -#include "gc_priv.h" - -// use 'CODE' resource 0 to get exact location of the beginning of global space. - -typedef struct { - unsigned long aboveA5; - unsigned long belowA5; - unsigned long JTSize; - unsigned long JTOffset; -} *CodeZeroPtr, **CodeZeroHandle; - -void* GC_MacGetDataStart() -{ - CodeZeroHandle code0 = (CodeZeroHandle)GetResource('CODE', 0); - if (code0) { - long belowA5Size = (**code0).belowA5; - ReleaseResource((Handle)code0); - return (LMGetCurrentA5() - belowA5Size); - } - fprintf(stderr, "Couldn't load the jump table."); - exit(-1); - return 0; -} - -/* track the use of temporary memory so it can be freed all at once. */ - -typedef struct TemporaryMemoryBlock TemporaryMemoryBlock, **TemporaryMemoryHandle; - -struct TemporaryMemoryBlock { - TemporaryMemoryHandle nextBlock; - char data[]; -}; - -static TemporaryMemoryHandle theTemporaryMemory = NULL; -static Boolean firstTime = true; - -void GC_MacFreeTemporaryMemory(void); - -Ptr GC_MacTemporaryNewPtr(size_t size, Boolean clearMemory) -{ - static Boolean firstTime = true; - OSErr result; - TemporaryMemoryHandle tempMemBlock; - Ptr tempPtr = nil; - - tempMemBlock = (TemporaryMemoryHandle)TempNewHandle(size + sizeof(TemporaryMemoryBlock), &result); - if (tempMemBlock && result == noErr) { - HLockHi((Handle)tempMemBlock); - tempPtr = (**tempMemBlock).data; - if (clearMemory) memset(tempPtr, 0, size); - tempPtr = StripAddress(tempPtr); - - // keep track of the allocated blocks. - (**tempMemBlock).nextBlock = theTemporaryMemory; - theTemporaryMemory = tempMemBlock; - } - -# if !defined(SHARED_LIBRARY_BUILD) - // install an exit routine to clean up the memory used at the end. - if (firstTime) { - atexit(&GC_MacFreeTemporaryMemory); - firstTime = false; - } -# endif - - return tempPtr; -} - -extern word GC_fo_entries; - -static void perform_final_collection() -{ - unsigned i; - word last_fo_entries = 0; - - /* adjust the stack bottom, because CFM calls us from another stack - location. */ - GC_stackbottom = (ptr_t)&i; - - /* try to collect and finalize everything in sight */ - for (i = 0; i < 2 || GC_fo_entries < last_fo_entries; i++) { - last_fo_entries = GC_fo_entries; - GC_gcollect(); - } -} - - -void GC_MacFreeTemporaryMemory() -{ -# if defined(SHARED_LIBRARY_BUILD) - /* if possible, collect all memory, and invoke all finalizers. */ - perform_final_collection(); -# endif - - if (theTemporaryMemory != NULL) { - long totalMemoryUsed = 0; - TemporaryMemoryHandle tempMemBlock = theTemporaryMemory; - while (tempMemBlock != NULL) { - TemporaryMemoryHandle nextBlock = (**tempMemBlock).nextBlock; - totalMemoryUsed += GetHandleSize((Handle)tempMemBlock); - DisposeHandle((Handle)tempMemBlock); - tempMemBlock = nextBlock; - } - theTemporaryMemory = NULL; - -# if !defined(SHARED_LIBRARY_BUILD) - if (GC_print_stats) { - fprintf(stdout, "[total memory used: %ld bytes.]\n", - totalMemoryUsed); - fprintf(stdout, "[total collections: %ld.]\n", GC_gc_no); - } -# endif - } -} - -#if __option(far_data) - - void* GC_MacGetDataEnd() - { - CodeZeroHandle code0 = (CodeZeroHandle)GetResource('CODE', 0); - if (code0) { - long aboveA5Size = (**code0).aboveA5; - ReleaseResource((Handle)code0); - return (LMGetCurrentA5() + aboveA5Size); - } - fprintf(stderr, "Couldn't load the jump table."); - exit(-1); - return 0; - } - -#endif /* __option(far_data) */ diff --git a/vendor/gc/MacProjects.sit.hqx b/vendor/gc/MacProjects.sit.hqx deleted file mode 100644 index 99dff88..0000000 --- a/vendor/gc/MacProjects.sit.hqx +++ /dev/null @@ -1,886 +0,0 @@ -(This file must be converted with BinHex 4.0) - -:$deKBe"bEfTPBh4c,R0TG!"6594%8dP8)3#3"&)e!!!"4UiT8dP8)3!(!!"50A* - --BA8#ZJ#3!aB"#3d0#'GM,MBi5bkjBf038%-ZZ3#3%)Zi!*!8"@`!N!6rN!4069" - -568e$3`%!UbqAD+X`19S!!!Ba!!!,*J!!!F%!!!-PfTmj1`#3"PET)d31)LTH6H4 - -#*AqG5b5HI*)QjY$IIb00%ReTJSi6rG$jG(bZ,"Rc,9Umf[IRj)6FZ-j`GfGR)#! - -m-#qLqB#cj'G%46qffB3q8AppLXKc+P&*il4FMJMq3N32r[U,(PlSNdrQm-J(4!p - -jK)NHmKJSHY!,&chS$4)pk%8mL3I)B0'$AU6S3'q)k%%[5[5J&ffa#68)0ZM&#T! - 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-!N!-8!*!$-J$j(l!@#J#3!a`!-J!!8f9dC`#3!`S!!2rr!*!&q@G%'@B: - diff --git a/vendor/gc/Mac_files/MacOS_Test_config.h b/vendor/gc/Mac_files/MacOS_Test_config.h deleted file mode 100644 index 4e5d252..0000000 --- a/vendor/gc/Mac_files/MacOS_Test_config.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - MacOS_Test_config.h - - Configuration flags for Macintosh development systems. - - Test version. - - - - 11/16/95 pcb Updated compilation flags to reflect latest 4.6 Makefile. - - by Patrick C. Beard. - */ -/* Boehm, November 17, 1995 12:05 pm PST */ - -#ifdef __MWERKS__ - -// for CodeWarrior Pro with Metrowerks Standard Library (MSL). -// #define MSL_USE_PRECOMPILED_HEADERS 0 -#include -#ifndef __STDC__ -#define __STDC__ 0 -#endif - -#endif - -// these are defined again in gc_priv.h. -#undef TRUE -#undef FALSE - -#define ALL_INTERIOR_POINTERS // follows interior pointers. -//#define SILENT // want collection messages. -//#define DONT_ADD_BYTE_AT_END // no padding. -//#define SMALL_CONFIG // whether to a smaller heap. -#define NO_SIGNALS // signals aren't real on the Macintosh. -#define USE_TEMPORARY_MEMORY // use Macintosh temporary memory. - -// CFLAGS= -O -DNO_SIGNALS -DALL_INTERIOR_POINTERS -DSILENT -// -//LIBGC_CFLAGS= -O -DNO_SIGNALS -DSILENT \ -// -DREDIRECT_MALLOC=GC_malloc_uncollectable \ -// -DDONT_ADD_BYTE_AT_END -DALL_INTERIOR_POINTERS -// Flags for building libgc.a -- the last two are required. -// -// Setjmp_test may yield overly optimistic results when compiled -// without optimization. -// -DSILENT disables statistics printing, and improves performance. -// -DCHECKSUMS reports on erroneously clear dirty bits, and unexpectedly -// altered stubborn objects, at substantial performance cost. -// Use only for incremental collector debugging. -// -DFIND_LEAK causes the collector to assume that all inaccessible -// objects should have been explicitly deallocated, and reports exceptions. -// Finalization and the test program are not usable in this mode. -// -DSOLARIS_THREADS enables support for Solaris (thr_) threads. -// (Clients should also define SOLARIS_THREADS and then include -// gc.h before performing thr_ or GC_ operations.) -// This is broken on nonSPARC machines. -// -DALL_INTERIOR_POINTERS allows all pointers to the interior -// of objects to be recognized. (See gc_priv.h for consequences.) -// -DSMALL_CONFIG tries to tune the collector for small heap sizes, -// usually causing it to use less space in such situations. -// Incremental collection no longer works in this case. -// -DLARGE_CONFIG tunes the collector for unusually large heaps. -// Necessary for heaps larger than about 500 MB on most machines. -// Recommended for heaps larger than about 64 MB. -// -DDONT_ADD_BYTE_AT_END is meaningful only with -// -DALL_INTERIOR_POINTERS. Normally -DALL_INTERIOR_POINTERS -// causes all objects to be padded so that pointers just past the end of -// an object can be recognized. This can be expensive. (The padding -// is normally more than one byte due to alignment constraints.) -// -DDONT_ADD_BYTE_AT_END disables the padding. -// -DNO_SIGNALS does not disable signals during critical parts of -// the GC process. This is no less correct than many malloc -// implementations, and it sometimes has a significant performance -// impact. However, it is dangerous for many not-quite-ANSI C -// programs that call things like printf in asynchronous signal handlers. -// -DGC_OPERATOR_NEW_ARRAY declares that the C++ compiler supports the -// new syntax "operator new[]" for allocating and deleting arrays. -// See gc_cpp.h for details. No effect on the C part of the collector. -// This is defined implicitly in a few environments. -// -DREDIRECT_MALLOC=X causes malloc, realloc, and free to be defined -// as aliases for X, GC_realloc, and GC_free, respectively. -// Calloc is redefined in terms of the new malloc. X should -// be either GC_malloc or GC_malloc_uncollectable. -// The former is occasionally useful for working around leaks in code -// you don't want to (or can't) look at. It may not work for -// existing code, but it often does. Neither works on all platforms, -// since some ports use malloc or calloc to obtain system memory. -// (Probably works for UNIX, and win32.) -// -DNO_DEBUG removes GC_dump and the debugging routines it calls. -// Reduces code size slightly at the expense of debuggability. diff --git a/vendor/gc/Mac_files/MacOS_config.h b/vendor/gc/Mac_files/MacOS_config.h deleted file mode 100644 index 407bdf1..0000000 --- a/vendor/gc/Mac_files/MacOS_config.h +++ /dev/null @@ -1,89 +0,0 @@ -/* - MacOS_config.h - - Configuration flags for Macintosh development systems. - - - - 11/16/95 pcb Updated compilation flags to reflect latest 4.6 Makefile. - - by Patrick C. Beard. - */ -/* Boehm, November 17, 1995 12:10 pm PST */ - -#ifdef __MWERKS__ - -// for CodeWarrior Pro with Metrowerks Standard Library (MSL). -// #define MSL_USE_PRECOMPILED_HEADERS 0 -#include -#ifndef __STDC__ -#define __STDC__ 0 -#endif - -#endif /* __MWERKS__ */ - -// these are defined again in gc_priv.h. -#undef TRUE -#undef FALSE - -#define ALL_INTERIOR_POINTERS // follows interior pointers. -#define SILENT // no collection messages. -//#define DONT_ADD_BYTE_AT_END // no padding. -//#define SMALL_CONFIG // whether to use a smaller heap. -#define NO_SIGNALS // signals aren't real on the Macintosh. -#define USE_TEMPORARY_MEMORY // use Macintosh temporary memory. - -// CFLAGS= -O -DNO_SIGNALS -DSILENT -DALL_INTERIOR_POINTERS -// -//LIBGC_CFLAGS= -O -DNO_SIGNALS -DSILENT \ -// -DREDIRECT_MALLOC=GC_malloc_uncollectable \ -// -DDONT_ADD_BYTE_AT_END -DALL_INTERIOR_POINTERS -// Flags for building libgc.a -- the last two are required. -// -// Setjmp_test may yield overly optimistic results when compiled -// without optimization. -// -DSILENT disables statistics printing, and improves performance. -// -DCHECKSUMS reports on erroneously clear dirty bits, and unexpectedly -// altered stubborn objects, at substantial performance cost. -// Use only for incremental collector debugging. -// -DFIND_LEAK causes the collector to assume that all inaccessible -// objects should have been explicitly deallocated, and reports exceptions. -// Finalization and the test program are not usable in this mode. -// -DSOLARIS_THREADS enables support for Solaris (thr_) threads. -// (Clients should also define SOLARIS_THREADS and then include -// gc.h before performing thr_ or GC_ operations.) -// This is broken on nonSPARC machines. -// -DALL_INTERIOR_POINTERS allows all pointers to the interior -// of objects to be recognized. (See gc_priv.h for consequences.) -// -DSMALL_CONFIG tries to tune the collector for small heap sizes, -// usually causing it to use less space in such situations. -// Incremental collection no longer works in this case. -// -DLARGE_CONFIG tunes the collector for unusually large heaps. -// Necessary for heaps larger than about 500 MB on most machines. -// Recommended for heaps larger than about 64 MB. -// -DDONT_ADD_BYTE_AT_END is meaningful only with -// -DALL_INTERIOR_POINTERS. Normally -DALL_INTERIOR_POINTERS -// causes all objects to be padded so that pointers just past the end of -// an object can be recognized. This can be expensive. (The padding -// is normally more than one byte due to alignment constraints.) -// -DDONT_ADD_BYTE_AT_END disables the padding. -// -DNO_SIGNALS does not disable signals during critical parts of -// the GC process. This is no less correct than many malloc -// implementations, and it sometimes has a significant performance -// impact. However, it is dangerous for many not-quite-ANSI C -// programs that call things like printf in asynchronous signal handlers. -// -DGC_OPERATOR_NEW_ARRAY declares that the C++ compiler supports the -// new syntax "operator new[]" for allocating and deleting arrays. -// See gc_cpp.h for details. No effect on the C part of the collector. -// This is defined implicitly in a few environments. -// -DREDIRECT_MALLOC=X causes malloc, realloc, and free to be defined -// as aliases for X, GC_realloc, and GC_free, respectively. -// Calloc is redefined in terms of the new malloc. X should -// be either GC_malloc or GC_malloc_uncollectable. -// The former is occasionally useful for working around leaks in code -// you don't want to (or can't) look at. It may not work for -// existing code, but it often does. Neither works on all platforms, -// since some ports use malloc or calloc to obtain system memory. -// (Probably works for UNIX, and win32.) -// -DNO_DEBUG removes GC_dump and the debugging routines it calls. -// Reduces code size slightly at the expense of debuggability. diff --git a/vendor/gc/Mac_files/dataend.c b/vendor/gc/Mac_files/dataend.c deleted file mode 100644 index a3e3fe8..0000000 --- a/vendor/gc/Mac_files/dataend.c +++ /dev/null @@ -1,9 +0,0 @@ -/* - dataend.c - - A hack to get the extent of global data for the Macintosh. - - by Patrick C. Beard. - */ - -long __dataend; diff --git a/vendor/gc/Mac_files/datastart.c b/vendor/gc/Mac_files/datastart.c deleted file mode 100644 index a9e0dd5..0000000 --- a/vendor/gc/Mac_files/datastart.c +++ /dev/null @@ -1,9 +0,0 @@ -/* - datastart.c - - A hack to get the extent of global data for the Macintosh. - - by Patrick C. Beard. - */ - -long __datastart; diff --git a/vendor/gc/Makefile.DLLs b/vendor/gc/Makefile.DLLs deleted file mode 100644 index 011f49d..0000000 --- a/vendor/gc/Makefile.DLLs +++ /dev/null @@ -1,107 +0,0 @@ -#-----------------------------------------------------------------------------# - -# Makefile.DLLs, version 0.4. - -# Contributed by Fergus Henderson. - -# This Makefile contains rules for creating DLLs on Windows using gnu-win32. - -#-----------------------------------------------------------------------------# - -# This rule creates a `.def' file, which lists the symbols that are exported -# from the DLL. We use `nm' to get a list of all the exported text (`T') -# symbols and data symbols -- including uninitialized data (`B'), -# initialized data (`D'), read-only data (`R'), and common blocks (`C'). -%.def: %.a - echo EXPORTS > $@ - nm $< | grep '^........ [BCDRT] _' | sed 's/[^_]*_//' >> $@ - -# We need to use macros to access global data: -# the user of the DLL must refer to `foo' as `(*__imp_foo)'. -# This rule creates a `_globals.h' file, which contains macros -# for doing this. - -SYM_PREFIX = $(firstword $(SYM_PREFIX-$*) $*) -DLL_MACRO = $(SYM_PREFIX)_USE_DLL -IMP_MACRO = $(SYM_PREFIX)_IMP -GLOBAL_MACRO = $(SYM_PREFIX)_GLOBAL - -%_globals.h: %.a - echo "/* automatically generated by Makefile.DLLs */" > $@ - echo "#if defined(__GNUC__) && defined(_WIN32) \\" >> $@ - echo " && defined($(DLL_MACRO))" >> $@ - echo "# define $(IMP_MACRO)(name) __imp_##name" >> $@ - echo "# define $(GLOBAL_MACRO)(name) (*$(IMP_MACRO)(name))" >> $@ - echo "#else" >> $@ - echo "# define $(GLOBAL_MACRO)(name) name" >> $@ - echo "#endif" >> $@ - echo "" >> $@ - for sym in `nm $< | grep '^........ [BCDR] _' | sed 's/[^_]*_//'`; do \ - echo "#define $$sym $(GLOBAL_MACRO)($$sym)" >> $@; \ - done - -# This rule creates the export object file (`foo.exp') which contains the -# jump table array; this export object file becomes part of the DLL. -# This rule also creates the import library (`foo_dll.a') which contains small -# stubs for all the functions exported by the DLL which jump to them via the -# jump table. Executables that will use the DLL must be linked against this -# stub library. -%.exp %_dll.a : %.def - dlltool $(DLLTOOLFLAGS) $(DLLTOOLFLAGS-$*) \ - --def $< \ - --dllname $*.dll \ - --output-exp $*.exp \ - --output-lib $*_dll.a - -# The `sed' commands below are to convert DOS-style `C:\foo\bar' -# pathnames into Unix-style `//c/foo/bar' pathnames. -CYGWIN32_LIBS = $(shell echo \ - -L`dirname \`gcc -print-file-name=libgcc.a | \ - sed -e 's@^\\\\([A-Za-z]\\\\):@//\\\\1@g' -e 's@\\\\\\\\@/@g' \` ` \ - -L`dirname \`gcc -print-file-name=libcygwin.a | \ - sed -e 's@^\\\\([A-Za-z]\\\\):@//\\\\1@g' -e 's@\\\\\\\\@/@g' \` ` \ - -L`dirname \`gcc -print-file-name=libkernel32.a | \ - sed -e 's@^\\\\([A-Za-z]\\\\):@//\\\\1@g' -e 's@\\\\\\\\@/@g' \` ` \ - -lgcc -lcygwin -lkernel32 -lgcc) - -RELOCATABLE=yes - -ifeq "$(strip $(RELOCATABLE))" "yes" - -# to create relocatable DLLs, we need to do two passes -%.dll: %.exp %.a dll_fixup.o dll_init.o - $(LD) $(LDFLAGS) $(LDFLAGS-$*) --dll -o $*.base \ - -e _dll_entry@12 dll_init.o \ - dll_fixup.o $*.exp $*.a \ - $(LDLIBS) $(LDLIBS-$*) \ - $(CYGWIN32_LIBS) - $(LD) $(LDFLAGS) $(LDFLAGS-$*) --dll --base-file $*.base -o $@ \ - -e _dll_entry@12 dll_init.o \ - dll_fixup.o $*.exp $*.a \ - $(LDLIBS) $(LDLIBS-$*) \ - $(CYGWIN32_LIBS) - rm -f $*.base -else - -%.dll: %.exp %.a dll_fixup.o dll_init.o - $(LD) $(LDFLAGS) $(LDFLAGS-$*) --dll -o $@ \ - -e _dll_entry@12 dll_init.o \ - dll_fixup.o $*.exp $*.a \ - $(LDLIBS) $(LDLIBS-$*) \ - $(CYGWIN32_LIBS) - -endif - -# This black magic piece of assembler needs to be linked in in order to -# properly terminate the list of imported DLLs. -dll_fixup.s: - echo '.section .idata$$3' > dll_fixup.s - echo '.long 0,0,0,0, 0,0,0,0' >> dll_fixup.s - -# This bit is necessary to provide an initialization function for the DLL. -dll_init.c: - echo '__attribute__((stdcall))' > dll_init.c - echo 'int dll_entry(int handle, int reason, void *ptr)' >> dll_init.c - echo '{return 1; }' >> dll_init.c - -dont_throw_away: dll_fixup.o dll_init.o diff --git a/vendor/gc/Makefile.am b/vendor/gc/Makefile.am deleted file mode 100644 index 5565a53..0000000 --- a/vendor/gc/Makefile.am +++ /dev/null @@ -1,206 +0,0 @@ -# Copyright (c) 1999-2001 by Red Hat, Inc. All rights reserved. -# -# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. -# -# Permission is hereby granted to use or copy this program -# for any purpose, provided the above notices are retained on all copies. -# Permission to modify the code and to distribute modified code is granted, -# provided the above notices are retained, and a notice that the code was -# modified is included with the above copyright notice. -# -# Original author: Tom Tromey -# Severely truncated by Hans-J. Boehm -# Modified by: Grzegorz Jakacki -# Modified by: Petter Urkedal (2005-04) - -## Process this file with automake to produce Makefile.in. - -## FIXME: `make distcheck' in this directory will not currently work. -## This is most likely to the explicit flags passed to submakes. - -# We currently use the source files directly from libatomic_ops, if we -# use the internal version. This is done since libatomic_ops doesn't -# use libtool, since it has no real use for it. But that seems to make -# it hard to use either the resulting object files or libraries. -# Thus there seems too be no real reason to recusively build in the -# libatomic_ops directory. -# if USE_INTERNAL_LIBATOMICS_OPS -# SUBDIRS = @maybe_libatomic_ops@ -# else -# SUBDIRS = -# endif -SUBDIRS = - -# Initialize variables so that we can declare files locally. -EXTRA_DIST = -lib_LTLIBRARIES = -include_HEADERS = -pkginclude_HEADERS = -dist_noinst_HEADERS = -check_PROGRAMS = -TESTS = - -pkgconfigdir = $(libdir)/pkgconfig -dist_pkgconfig_DATA = bdw-gc.pc - -# C Library -# --------- - -lib_LTLIBRARIES += libgc.la -libgc_la_SOURCES = \ - allchblk.c alloc.c blacklst.c checksums.c dbg_mlc.c \ - dyn_load.c finalize.c gc_dlopen.c gcj_mlc.c headers.c \ - malloc.c mallocx.c mark.c mark_rts.c misc.c new_hblk.c \ - obj_map.c os_dep.c pcr_interface.c ptr_chck.c real_malloc.c reclaim.c \ - specific.c stubborn.c typd_mlc.c \ - backgraph.c thread_local_alloc.c - -# C Library: Architecture Dependent -# --------------------------------- - -if PTHREADS -libgc_la_SOURCES += pthread_support.c pthread_stop_world.c -endif - -if DARWIN_THREADS -libgc_la_SOURCES += darwin_stop_world.c -endif - -if WIN32_THREADS -libgc_la_SOURCES += win32_threads.c -endif - -if USE_INTERNAL_LIBATOMIC_OPS -nodist_libgc_la_SOURCES = ./atomic_ops.c -endif - -if NEED_ATOMIC_OPS_ASM -nodist_libgc_la_SOURCES = ./atomic_ops_sysdeps.S -endif - -# Include THREADDLLIBS here to ensure that the correct versions of -# linuxthread semaphore functions get linked: -libgc_la_LIBADD = @addobjs@ $(THREADDLLIBS) $(UNWINDLIBS) -libgc_la_DEPENDENCIES = @addobjs@ -libgc_la_LDFLAGS = $(extra_ldflags_libgc) -version-info 1:3:0 -no-undefined - -EXTRA_libgc_la_SOURCES = alpha_mach_dep.S \ - mips_sgi_mach_dep.s mips_ultrix_mach_dep.s \ - rs6000_mach_dep.s sparc_mach_dep.S sparc_netbsd_mach_dep.s \ - sparc_sunos4_mach_dep.s ia64_save_regs_in_stack.s - - -# C++ Interface -# ------------- - -if CPLUSPLUS -lib_LTLIBRARIES += libgccpp.la -pkginclude_HEADERS += include/gc_cpp.h include/gc_allocator.h -libgccpp_la_SOURCES = gc_cpp.cc -libgccpp_la_LIBADD = ./libgc.la -libgccpp_la_LDFLAGS = -version-info 1:3:0 -no-undefined -endif - -# FIXME: If Visual C++ users use Makefile.am, this should go into -# pkginclude_HEADERS with proper AM_CONDITIONALization. Otherwise -# delete this comment. -EXTRA_DIST += gc_cpp.cpp - - -# Misc -# ---- - -AM_CXXFLAGS = @GC_CFLAGS@ -AM_CFLAGS = @GC_CFLAGS@ - -## FIXME: relies on internal code generated by automake. -## FIXME: ./configure --enable-dependency-tracking should be used -#all_objs = @addobjs@ $(libgc_la_OBJECTS) -#$(all_objs) : include/private/gcconfig.h include/private/gc_priv.h \ -#include/private/gc_hdrs.h include/gc.h include/gc_gcj.h \ -#include/gc_pthread_redirects.h include/gc_config_macros.h \ -#include/private/thread_local_alloc.h include/private_support.h \ -#include/private/pthread_stop_world.h \ -#include/gc_mark.h @addincludes@ - -## FIXME: we shouldn't have to do this, but automake forces us to. -## We use -Wp,-P to strip #line directives. Irix `as' chokes on -## these. -if COMPILER_XLC - ## XLC neither requires nor tolerates the unnecessary assembler goop - ASM_CPP_OPTIONS = -else - ## We use -Wp,-P to strip #line directives. Irix `as' chokes on - ## these. - ASM_CPP_OPTIONS = -Wp,-P -x assembler-with-cpp -endif -.s.lo: - $(LTCOMPILE) $(ASM_CPP_OPTIONS) -c $< - -.S.lo: - $(LTCOMPILE) $(ASM_CPP_OPTIONS) -c $< - -## We need to add DEFS to assembler flags -## :FIXME: what if assembler does not accept -D... ? -## (use Autoconf to prepare ASDEFS ???) - -CCASFLAGS += $(DEFS) - -dist_noinst_SCRIPTS = callprocs configure.host - ## callprocs --- used by Makefile.{dj,direct} - ## configure.host --- used by Makefile.{am,dj,direct} - -# headers which are not installed -# (see include/include.am for more) -# - -# documentation which is not installed -# -EXTRA_DIST += README.QUICK - -# other makefiles -# :GOTCHA: deliberately we do not include 'Makefile' -EXTRA_DIST += BCC_MAKEFILE NT_MAKEFILE NT_THREADS_MAKEFILE \ - OS2_MAKEFILE PCR-Makefile digimars.mak EMX_MAKEFILE \ - Makefile.direct Makefile.dj Makefile.DLLs SMakefile.amiga \ - WCC_MAKEFILE configure_atomic_ops.sh \ - NT_STATIC_THREADS_MAKEFILE NT_X64_STATIC_THREADS_MAKEFILE \ - NT_X64_THREADS_MAKEFILE - -# files used by makefiles other than Makefile.am -# -EXTRA_DIST += add_gc_prefix.c gcname.c if_mach.c if_not_there.c \ - hpux_test_and_clear.s gc.mak MacOS.c \ - MacProjects.sit.hqx mach_dep.c setjmp_t.c \ - threadlibs.c AmigaOS.c \ - Mac_files/datastart.c Mac_files/dataend.c \ - Mac_files/MacOS_config.h Mac_files/MacOS_Test_config.h \ - include/private/msvc_dbg.h msvc_dbg.c - -# The libatomic_ops library. This is not ideal, since we pick up junk from -# there. The hard-coded version number should also go. -EXTRA_DIST += libatomic_ops-1.2 - -# this is an auxiliary shell file used by Makefile and Makefile.direct -# -CONFIG_STATUS_DEPENDENCIES = $(srcdir)/configure.host - -# :FIXME: why do we distribute this one??? -# -EXTRA_DIST += libtool.m4 - -# -# :GOTCHA: GNU make rule for making .s out of .S is flawed, -# it will not remove dest if building fails -.S.s: - if $(CPP) $< >$@ ; then :; else rm -f $@; fi - -include include/include.am -include cord/cord.am -include tests/tests.am -include doc/doc.am -# Putting these at the top causes cord to be built first, and not find libgc.a -# on HP/UX. There may be a better fix. - - diff --git a/vendor/gc/Makefile.direct b/vendor/gc/Makefile.direct deleted file mode 100644 index 23b0ab3..0000000 --- a/vendor/gc/Makefile.direct +++ /dev/null @@ -1,740 +0,0 @@ -# This is the original manually generated Makefile. It may still be used -# to build the collector. -# -# Primary targets: -# gc.a - builds basic library -# c++ - adds C++ interface to library -# cords - adds cords (heavyweight strings) to library -# test - prints porting information, then builds basic version of gc.a, -# and runs some tests of collector and cords. Does not add cords or -# c++ interface to gc.a -# cord/de - builds dumb editor based on cords. -ABI_FLAG= -# ABI_FLAG should be the cc flag that specifies the ABI. On most -# platforms this will be the empty string. Possible values: -# +DD64 for 64-bit executable on HP/UX. -# -n32, -n64, -o32 for SGI/MIPS ABIs. - -AS_ABI_FLAG=$(ABI_FLAG) -# ABI flag for assembler. On HP/UX this is +A64 for 64 bit -# executables. - -CC=cc $(ABI_FLAG) -CXX=g++ $(ABI_FLAG) -AS=as $(AS_ABI_FLAG) -# The above doesn't work with gas, which doesn't run cpp. -# Define AS as `gcc -c -x assembler-with-cpp' instead. - -# Redefining srcdir allows object code for the nonPCR version of the collector -# to be generated in different directories. -srcdir= . -VPATH= $(srcdir) - -# Atomic_ops installation directory. If this doesn't exist, we create -# it from the included libatomic_ops distribution. -AO_VERSION=1.2 -AO_SRC_DIR=$(srcdir)/libatomic_ops-$(AO_VERSION) -AO_INSTALL_DIR=$(srcdir)/libatomic_ops-install - -CFLAGS= -O -I$(srcdir)/include -I$(AO_INSTALL_DIR)/include -DATOMIC_UNCOLLECTABLE -DNO_EXECUTE_PERMISSION -DALL_INTERIOR_POINTERS - -# To build the parallel collector on Linux, add to the above: -# -DGC_LINUX_THREADS -DPARALLEL_MARK -DTHREAD_LOCAL_ALLOC -# To build the thread-capable preload library that intercepts -# malloc, add -DGC_USE_DLOPEN_WRAP -DREDIRECT_MALLOC=GC_malloc -fpic -# To build the parallel collector in a static library on HP/UX, -# add to the above: -# -DGC_HPUX_THREADS -DTHREAD_LOCAL_ALLOC -D_POSIX_C_SOURCE=199506L -mt -# FIXME: PARALLEL_MARK currently broken on HP/UX. -# To build the thread-safe collector on Tru64, add to the above: -# -pthread -DGC_OSF1_THREADS - -# HOSTCC and HOSTCFLAGS are used to build executables that will be run as -# part of the build process, i.e. on the build machine. These will usually -# be the same as CC and CFLAGS, except in a cross-compilation environment. -# Note that HOSTCFLAGS should include any -D flags that affect thread support. -HOSTCC=$(CC) -HOSTCFLAGS=$(CFLAGS) - -# For dynamic library builds, it may be necessary to add flags to generate -# PIC code, e.g. -fPIC on Linux. - -# Setjmp_test may yield overly optimistic results when compiled -# without optimization. - -# These define arguments influence the collector configuration: -# -DFIND_LEAK causes GC_find_leak to be initially set. -# This causes the collector to assume that all inaccessible -# objects should have been explicitly deallocated, and reports exceptions. -# Finalization and the test program are not usable in this mode. -# -# IMPORTANT: Any of the _THREADS options must normally also be defined in -# the client before including gc.h. This redefines thread primitives to -# invoke the GC_ versions instead. Alternatively, linker-based symbol -# interception can be used on a few platforms. -# -DGC_THREADS should set the appropriate one of the below macros, -# except -DGC_WIN32_PTHREADS, which must be set explicitly. -# -DGC_SOLARIS_PTHREADS enables support for Solaris pthreads. -# (Clients should also define GC_SOLARIS_THREADS and then include -# gc.h before performing thr_ or dl* or GC_ operations.) -# Must also define -D_REENTRANT. -# -DGC_IRIX_THREADS enables support for Irix pthreads. See README.irix. -# -DGC_HPUX_THREADS enables support for HP/UX 11 pthreads. -# Also requires -D_REENTRANT or -D_POSIX_C_SOURCE=199506L. See README.hp. -# -DGC_LINUX_THREADS enables support for Xavier Leroy's Linux threads -# or NPTL threads. See README.linux. -D_REENTRANT may also be required. -# -DGC_OSF1_THREADS enables support for Tru64 pthreads. -# -DGC_FREEBSD_THREADS enables support for FreeBSD pthreads. -# Appeared to run into some underlying thread problems. -# -DGC_DARWIN_THREADS enables support for Mac OS X pthreads. -# -DGC_AIX_THREADS enables support for IBM AIX threads. -# -DGC_DGUX386_THREADS enables support for DB/UX on I386 threads. -# See README.DGUX386. (Probably has not been tested recently.) -# -DGC_WIN32_THREADS enables support for win32 threads. That makes sense -# for this Makefile only under Cygwin. -# -DGC_WIN32_PTHREADS enables support for Ming32 pthreads. This cannot be -# enabled automatically by GC_THREADS, which would assume Win32 native -# threads. -# -DPTW32_STATIC_LIB causes the static version of the Mingw pthreads library -# to be used. Requires -DGC_WIN32_PTHREADS. -# -# -DALL_INTERIOR_POINTERS allows all pointers to the interior -# of objects to be recognized. (See gc_priv.h for consequences.) -# Alternatively, GC_all_interior_pointers can be set at process -# initialization time. -# -DSMALL_CONFIG tries to tune the collector for small heap sizes, -# usually causing it to use less space in such situations. -# Incremental collection no longer works in this case. -# -DLARGE_CONFIG tunes the collector for unusually large heaps. -# Necessary for heaps larger than about 500 MB on most machines. -# Recommended for heaps larger than about 64 MB. -# -DDONT_ADD_BYTE_AT_END is meaningful only with -DALL_INTERIOR_POINTERS or -# GC_all_interior_pointers = 1. Normally -DALL_INTERIOR_POINTERS -# causes all objects to be padded so that pointers just past the end of -# an object can be recognized. This can be expensive. (The padding -# is normally more than one byte due to alignment constraints.) -# -DDONT_ADD_BYTE_AT_END disables the padding. -# -DNO_EXECUTE_PERMISSION may cause some or all of the heap to not -# have execute permission, i.e. it may be impossible to execute -# code from the heap. Currently this only affects the incremental -# collector on UNIX machines. It may greatly improve its performance, -# since this may avoid some expensive cache synchronization. -# -DGC_NO_OPERATOR_NEW_ARRAY declares that the C++ compiler does not support -# the new syntax "operator new[]" for allocating and deleting arrays. -# See gc_cpp.h for details. No effect on the C part of the collector. -# This is defined implicitly in a few environments. Must also be defined -# by clients that use gc_cpp.h. -# -DREDIRECT_MALLOC=X causes malloc to be defined as alias for X. -# Unless the following macros are defined, realloc is also redirected -# to GC_realloc, and free is redirected to GC_free. -# Calloc and strdup are redefined in terms of the new malloc. X should -# be either GC_malloc or GC_malloc_uncollectable, or -# GC_debug_malloc_replacement. (The latter invokes GC_debug_malloc -# with dummy source location information, but still results in -# properly remembered call stacks on Linux/X86 and Solaris/SPARC. -# It requires that the following two macros also be used.) -# The former is occasionally useful for working around leaks in code -# you don't want to (or can't) look at. It may not work for -# existing code, but it often does. Neither works on all platforms, -# since some ports use malloc or calloc to obtain system memory. -# (Probably works for UNIX, and win32.) If you build with DBG_HDRS_ALL, -# you should only use GC_debug_malloc_replacement as a malloc -# replacement. -# -DREDIRECT_REALLOC=X causes GC_realloc to be redirected to X. -# The canonical use is -DREDIRECT_REALLOC=GC_debug_realloc_replacement, -# together with -DREDIRECT_MALLOC=GC_debug_malloc_replacement to -# generate leak reports with call stacks for both malloc and realloc. -# This also requires the following: -# -DREDIRECT_FREE=X causes free to be redirected to X. The -# canonical use is -DREDIRECT_FREE=GC_debug_free. -# -DIGNORE_FREE turns calls to free into a noop. Only useful with -# -DREDIRECT_MALLOC. -# -DNO_DEBUGGING removes GC_dump and the debugging routines it calls. -# Reduces code size slightly at the expense of debuggability. -# -DJAVA_FINALIZATION makes it somewhat safer to finalize objects out of -# order by specifying a nonstandard finalization mark procedure (see -# finalize.c). Objects reachable from finalizable objects will be marked -# in a separate postpass, and hence their memory won't be reclaimed. -# Not recommended unless you are implementing a language that specifies -# these semantics. Since 5.0, determines only the initial value -# of GC_java_finalization variable. -# -DFINALIZE_ON_DEMAND causes finalizers to be run only in response -# to explicit GC_invoke_finalizers() calls. -# In 5.0 this became runtime adjustable, and this only determines the -# initial value of GC_finalize_on_demand. -# -DATOMIC_UNCOLLECTABLE includes code for GC_malloc_atomic_uncollectable. -# This is useful if either the vendor malloc implementation is poor, -# or if REDIRECT_MALLOC is used. -# -DMARK_BIT_PER_GRANULE requests that a mark bit (or often byte) -# be allocated for each allocation granule, as opposed to each object. -# This often improves speed, possibly at some cost in space and/or -# cache footprint. Normally it is best to let this decision be -# made automatically depending on platform. -# -DMARK_BIT_PER_OBJ requests that a mark bit be allocated for each -# object instead of allocation granule. The opposiet of -# MARK_BIT_PER_GRANULE. -# -DHBLKSIZE=ddd, where ddd is a power of 2 between 512 and 16384, explicitly -# sets the heap block size. Each heap block is devoted to a single size and -# kind of object. For the incremental collector it makes sense to match -# the most likely page size. Otherwise large values result in more -# fragmentation, but generally better performance for large heaps. -# -DUSE_MMAP use MMAP instead of sbrk to get new memory. -# Works for Solaris and Irix. -# -DUSE_MUNMAP causes memory to be returned to the OS under the right -# circumstances. This currently disables VM-based incremental collection. -# This is currently experimental, and works only under some Unix, -# Linux and Windows versions. Requires -DUSE_MMAP, even under Windows, -# where USE_MMAP doesn't do anything. -# -DMMAP_STACKS (for Solaris threads) Use mmap from /dev/zero rather than -# GC_scratch_alloc() to get stack memory. -# -DPRINT_BLACK_LIST Whenever a black list entry is added, i.e. whenever -# the garbage collector detects a value that looks almost, but not quite, -# like a pointer, print both the address containing the value, and the -# value of the near-bogus-pointer. Can be used to identifiy regions of -# memory that are likely to contribute misidentified pointers. -# -DKEEP_BACK_PTRS Add code to save back pointers in debugging headers -# for objects allocated with the debugging allocator. If all objects -# through GC_MALLOC with GC_DEBUG defined, this allows the client -# to determine how particular or randomly chosen objects are reachable -# for debugging/profiling purposes. The gc_backptr.h interface is -# implemented only if this is defined. -# -DGC_ASSERTIONS Enable some internal GC assertion checking. Currently -# this facility is only used in a few places. It is intended primarily -# for debugging of the garbage collector itself, but could also -# -DDBG_HDRS_ALL Make sure that all objects have debug headers. Increases -# the reliability (from 99.9999% to 100% mod. bugs) of some of the debugging -# code (especially KEEP_BACK_PTRS). Makes -DSHORT_DBG_HDRS possible. -# Assumes that all client allocation is done through debugging -# allocators. -# -DSHORT_DBG_HDRS Assume that all objects have debug headers. Shorten -# the headers to minimize object size, at the expense of checking for -# writes past the end of an object. This is intended for environments -# in which most client code is written in a "safe" language, such as -# Scheme or Java. Assumes that all client allocation is done using -# the GC_debug_ functions, or through the macros that expand to these, -# or by redirecting malloc to GC_debug_malloc_replacement. -# (Also eliminates the field for the requested object size.) -# -DSAVE_CALL_COUNT= Set the number of call frames saved with objects -# allocated through the debugging interface. Affects the amount of -# information generated in leak reports. Only matters on platforms -# on which we can quickly generate call stacks, currently Linux/(X86 & SPARC) -# and Solaris/SPARC and platforms that provide execinfo.h. -# Default is zero. On X86, client -# code should NOT be compiled with -fomit-frame-pointer. -# -DSAVE_CALL_NARGS= Set the number of functions arguments to be -# saved with each call frame. Default is zero. Ignored if we -# don't know how to retrieve arguments on the platform. -# -DCHECKSUMS reports on erroneously clear dirty bits, and unexpectedly -# altered stubborn objects, at substantial performance cost. -# Use only for debugging of the incremental collector. -# -DGC_GCJ_SUPPORT includes support for gcj (and possibly other systems -# that include a pointer to a type descriptor in each allocated object). -# Building this way requires an ANSI C compiler. -# -DUSE_I686_PREFETCH causes the collector to issue Pentium III style -# prefetch instructions. No effect except on X86 Linux platforms. -# Assumes a very recent gcc-compatible compiler and assembler. -# (Gas prefetcht0 support was added around May 1999.) -# Empirically the code appears to still run correctly on Pentium II -# processors, though with no performance benefit. May not run on other -# X86 processors? In some cases this improves performance by -# 15% or so. -# -DUSE_3DNOW_PREFETCH causes the collector to issue AMD 3DNow style -# prefetch instructions. Same restrictions as USE_I686_PREFETCH. -# Minimally tested. Didn't appear to be an obvious win on a K6-2/500. -# -DUSE_PPC_PREFETCH causes the collector to issue PowerPC style -# prefetch instructions. No effect except on PowerPC OS X platforms. -# Performance impact untested. -# -DGC_USE_LD_WRAP in combination with the old flags listed in README.linux -# causes the collector some system and pthread calls in a more transparent -# fashion than the usual macro-based approach. Requires GNU ld, and -# currently probably works only with Linux. -# -DGC_USE_DLOPEN_WRAP causes the collector to redefine malloc and intercepted -# pthread routines with their real names, and causes it to use dlopen -# and dlsym to refer to the original versions. This makes it possible to -# build an LD_PRELOADable malloc replacement library. -# -DTHREAD_LOCAL_ALLOC defines GC_malloc(), GC_malloc_atomic() -# and GC_gcj_malloc() to use a per-thread set of free-lists. -# These then allocate in a way that usually does not involve -# acquisition of a global lock. Currently supported only on platforms -# such as Linux that use pthread_support.c. Recommended for multiprocessors. -# Requires explicit GC_INIT() call, unless REDIRECT_MALLOC is -# defined and GC_malloc is used first. -# -DUSE_COMPILER_TLS causes thread local allocation to use compiler-supported -# "__thread" thread-local variables. This is the default in HP/UX. It -# may help performance on recent Linux installations. (It failed for -# me on RedHat 8, but appears to work on RedHat 9.) -# -DPARALLEL_MARK allows the marker to run in multiple threads. Recommended -# for multiprocessors. Currently requires Linux on X86 or IA64, though -# support for other Posix platforms should be fairly easy to add, -# if the thread implementation is otherwise supported. -# -DNO_GETENV prevents the collector from looking at environment variables. -# These may otherwise alter its configuration, or turn off GC altogether. -# I don't know of a reason to disable this, except possibly if the -# resulting process runs as a privileged user? -# -DUSE_GLOBAL_ALLOC. Win32 only. Use GlobalAlloc instead of -# VirtualAlloc to allocate the heap. May be needed to work around -# a Windows NT/2000 issue. Incompatible with USE_MUNMAP. -# See README.win32 for details. -# -DMAKE_BACK_GRAPH. Enable GC_PRINT_BACK_HEIGHT environment variable. -# See README.environment for details. Experimental. Limited platform -# support. Implies DBG_HDRS_ALL. All allocation should be done using -# the debug interface. -# -DSTUBBORN_ALLOC allows allocation of "hard to change" objects, and thus -# makes incremental collection easier. Was enabled by default until 6.0. -# Rarely used, to my knowledge. -# -DHANDLE_FORK attempts to make GC_malloc() work in a child process fork()ed -# from a multithreaded parent. Currently only supported by pthread_support.c. -# (Similar code should work on Solaris or Irix, but it hasn't been tried.) -# -DTEST_WITH_SYSTEM_MALLOC causes gctest to allocate (and leak) large chunks -# of memory with the standard system malloc. This will cause the root -# set and collected heap to grow significantly if malloced memory is -# somehow getting traced by the collector. This has no impact on the -# generated library; it only affects the test. -# -DNO_INCREMENTAL cases the gctest program to not invoke the incremental -# collector. This has no impact on the generated library, only on the -# test program. (This is often useful for debugging failures unrelated -# to incremental GC.) -# -DPOINTER_MASK=0x... causes candidate pointers to be ANDed with the -# given mask before being considered. If either this or the following -# macro is defined, it will be assumed that all pointers stored in -# the heap need to be processed this way. Stack and register pointers -# will be considered both with and without processing. -# These macros are normally needed only to support systems that use -# high-order pointer tags. EXPERIMENTAL. -# -DPOINTER_SHIFT=n causes the collector to left shift candidate pointers -# by the indicated amount before trying to interpret them. Applied -# after POINTER_MASK. EXPERIMENTAL. See also the preceding macro. -# -DENABLE_TRACE enables the GC_TRACE=addr environment setting to do its -# job. By default this is not supported in order to keep the marker as fast -# as possible. -# -DDARWIN_DONT_PARSE_STACK Causes the Darwin port to discover thread -# stack bounds in the same way as other pthread ports, without trying to -# walk the frames onthe stack. This is recommended only as a fallback -# for applications that don't support proper stack unwinding. -# -DUSE_PROC_FOR_LIBRARIES Causes the Linux collector to treat writable -# memory mappings (as reported by /proc) as roots, if it doesn't have -# otherinformation about them. It no longer traverses dynamic loader -# data structures to find dynamic library static data. This may be -# required for applications that store pointers in mmapped segments without -# informaing the collector. But it typically performs poorly, especially -# since it will scan inactive but cached NPTL thread stacks completely. -# -DNO_PROC_STAT Causes the collector to avoid relying on Linux' -# /proc/self/stat. -# - -CXXFLAGS= $(CFLAGS) -AR= ar -RANLIB= ranlib - - -OBJS= alloc.o reclaim.o allchblk.o misc.o mach_dep.o os_dep.o mark_rts.o \ - headers.o mark.o obj_map.o blacklst.o finalize.o new_hblk.o dbg_mlc.o \ - malloc.o stubborn.o checksums.o pthread_support.o pthread_stop_world.o \ - darwin_stop_world.o typd_mlc.o ptr_chck.o mallocx.o gcj_mlc.o specific.o \ - gc_dlopen.o backgraph.o win32_threads.o thread_local_alloc.o - -CSRCS= reclaim.c allchblk.c misc.c alloc.c mach_dep.c os_dep.c mark_rts.c \ - headers.c mark.c obj_map.c pcr_interface.c blacklst.c finalize.c \ - new_hblk.c real_malloc.c dyn_load.c dbg_mlc.c malloc.c stubborn.c \ - checksums.c pthread_support.c pthread_stop_world.c darwin_stop_world.c \ - typd_mlc.c ptr_chck.c mallocx.c gcj_mlc.c specific.c gc_dlopen.c \ - backgraph.c win32_threads.c thread_local_alloc.c - -CORD_SRCS= cord/cordbscs.c cord/cordxtra.c cord/cordprnt.c cord/de.c cord/cordtest.c include/cord.h include/ec.h include/private/cord_pos.h cord/de_win.c cord/de_win.h cord/de_cmds.h cord/de_win.ICO cord/de_win.RC - -CORD_OBJS= cord/cordbscs.o cord/cordxtra.o cord/cordprnt.o - -SRCS= $(CSRCS) mips_sgi_mach_dep.s rs6000_mach_dep.s alpha_mach_dep.S \ - sparc_mach_dep.S include/gc.h include/gc_typed.h include/gc_tiny_fl.h \ - include/gc_version.h include/private/gc_hdrs.h include/private/gc_priv.h \ - include/private/gcconfig.h include/private/gc_pmark.h \ - include/gc_inline.h include/gc_mark.h \ - threadlibs.c if_mach.c if_not_there.c gc_cpp.cc include/gc_cpp.h \ - gcname.c include/weakpointer.h include/private/gc_locks.h \ - mips_ultrix_mach_dep.s \ - include/new_gc_alloc.h include/gc_allocator.h \ - include/javaxfc.h sparc_sunos4_mach_dep.s sparc_netbsd_mach_dep.s \ - include/gc_backptr.h \ - hpux_test_and_clear.s include/gc_gcj.h \ - include/private/dbg_mlc.h \ - include/private/specific.h \ - include/leak_detector.h include/gc_amiga_redirects.h \ - include/gc_pthread_redirects.h ia64_save_regs_in_stack.s \ - include/gc_config_macros.h include/private/pthread_support.h \ - include/private/pthread_stop_world.h include/private/darwin_semaphore.h \ - include/private/darwin_stop_world.h include/private/thread_local_alloc.h \ - $(CORD_SRCS) - -DOC_FILES= README.QUICK doc/README.Mac doc/README.MacOSX doc/README.OS2 \ - doc/README.amiga doc/README.cords doc/debugging.html \ - doc/porting.html doc/overview.html \ - doc/README.dj doc/README.hp doc/README.linux doc/README.rs6000 \ - doc/README.sgi doc/README.solaris2 doc/README.uts \ - doc/README.win32 doc/barrett_diagram doc/README \ - doc/README.contributors doc/README.changes doc/gc.man \ - doc/README.environment doc/tree.html doc/gcdescr.html \ - doc/README.autoconf doc/README.macros doc/README.ews4800 \ - doc/README.DGUX386 doc/README.arm.cross doc/leak.html \ - doc/scale.html doc/gcinterface.html doc/README.darwin \ - doc/simple_example.html doc/README.win64 - -TESTS= tests/test.c tests/test_cpp.cc tests/trace_test.c \ - tests/leak_test.c tests/thread_leak_test.c tests/middle.c \ - tests/smash_test.c tests/huge_test.c - -GNU_BUILD_FILES= configure.ac Makefile.am configure acinclude.m4 \ - libtool.m4 install-sh configure.host Makefile.in \ - aclocal.m4 config.sub config.guess \ - include/include.am doc/doc.am \ - ltmain.sh mkinstalldirs depcomp missing \ - cord/cord.am tests/tests.am autogen.sh \ - bdw-gc.pc.in compile - -OTHER_MAKEFILES= OS2_MAKEFILE NT_MAKEFILE NT_THREADS_MAKEFILE gc.mak \ - BCC_MAKEFILE EMX_MAKEFILE WCC_MAKEFILE Makefile.dj \ - PCR-Makefile SMakefile.amiga Makefile.DLLs \ - digimars.mak Makefile.direct NT_STATIC_THREADS_MAKEFILE \ - NT_X64_STATIC_THREADS_MAKEFILE NT_X64_THREADS_MAKEFILE \ - configure_atomic_ops.sh -# Makefile and Makefile.direct are copies of each other. - -OTHER_FILES= Makefile setjmp_t.c callprocs \ - MacProjects.sit.hqx MacOS.c \ - Mac_files/datastart.c Mac_files/dataend.c \ - Mac_files/MacOS_config.h Mac_files/MacOS_Test_config.h \ - add_gc_prefix.c gc_cpp.cpp \ - AmigaOS.c mscvc_dbg.c include/private/msvc_dbg.h \ - $(TESTS) $(GNU_BUILD_FILES) $(OTHER_MAKEFILES) - -CORD_INCLUDE_FILES= $(srcdir)/include/gc.h $(srcdir)/include/cord.h \ - $(srcdir)/include/ec.h $(srcdir)/include/private/cord_pos.h - -UTILS= if_mach if_not_there threadlibs - -# Libraries needed for curses applications. Only needed for de. -CURSES= -lcurses -ltermlib - -# The following is irrelevant on most systems. But a few -# versions of make otherwise fork the shell specified in -# the SHELL environment variable. -SHELL= /bin/sh - -SPECIALCFLAGS = -I$(srcdir)/include -I$(AO_INSTALL_DIR)/include -# Alternative flags to the C compiler for mach_dep.c. -# Mach_dep.c often doesn't like optimization, and it's -# not time-critical anyway. -# Set SPECIALCFLAGS to -q nodirect_code on Encore. - -all: gc.a gctest - -# if AO_INSTALL_DIR doesn't exist, we assume that it is pointing to -# the default location, and we need to build -$(AO_INSTALL_DIR): - CC=$(CC) $(srcdir)/configure_atomic_ops.sh - cd $(AO_SRC_DIR); $(MAKE) CC=$(CC) install - -LEAKFLAGS=$(CFLAGS) -DFIND_LEAK - -BSD-pkg-all: bsd-libgc.a bsd-libleak.a - -bsd-libgc.a: - $(MAKE) CFLAGS="$(CFLAGS)" clean c++-t - mv gc.a bsd-libgc.a - -bsd-libleak.a: - $(MAKE) -f Makefile.direct CFLAGS="$(LEAKFLAGS)" clean c++-nt - mv gc.a bsd-libleak.a - -BSD-pkg-install: BSD-pkg-all - ${CP} bsd-libgc.a libgc.a - ${INSTALL_DATA} libgc.a ${PREFIX}/lib - ${INSTALL_DATA} gc.h gc_cpp.h ${PREFIX}/include - ${INSTALL_MAN} doc/gc.man ${PREFIX}/man/man3/gc.3 - -pcr: PCR-Makefile include/private/gc_private.h include/private/gc_hdrs.h \ -include/private/gc_locks.h include/gc.h include/private/gcconfig.h \ -mach_dep.o $(SRCS) - $(MAKE) -f PCR-Makefile depend - $(MAKE) -f PCR-Makefile - -$(OBJS) tests/test.o dyn_load.o dyn_load_sunos53.o: \ - $(srcdir)/include/private/gc_priv.h \ - $(srcdir)/include/private/gc_hdrs.h $(srcdir)/include/private/gc_locks.h \ - $(srcdir)/include/gc.h $(srcdir)/include/gc_pthread_redirects.h \ - $(srcdir)/include/private/gcconfig.h $(srcdir)/include/gc_typed.h \ - $(srcdir)/include/gc_config_macros.h Makefile $(AO_INSTALL_DIR) -# The dependency on Makefile is needed. Changing -# options affects the size of GC_arrays, -# invalidating all .o files that rely on gc_priv.h - -mark.o typd_mlc.o finalize.o ptr_chck.o: $(srcdir)/include/gc_mark.h \ - $(srcdir)/include/private/gc_pmark.h - -specific.o pthread_support.o thread_local_alloc.o win32_threads.o: \ - $(srcdir)/include/private/specific.h $(srcdir)/include/gc_inline.h \ - $(srcdir)/include/private/thread_local_alloc.h - -dbg_mlc.o gcj_mlc.o: $(srcdir)/include/private/dbg_mlc.h - -tests/test.o: tests $(srcdir)/tests/test.c - $(CC) $(CFLAGS) -c $(srcdir)/tests/test.c - mv test.o tests/test.o - -tests: - mkdir tests - -base_lib gc.a: $(OBJS) dyn_load.o $(UTILS) - echo > base_lib - rm -f dont_ar_1 - cp $(AO_INSTALL_DIR)/lib/libatomic_ops.a gc.a - ./if_mach SPARC SOLARIS touch dont_ar_1 - ./if_mach SPARC SOLARIS $(AR) rus gc.a $(OBJS) dyn_load.o - ./if_mach M68K AMIGA touch dont_ar_1 - ./if_mach M68K AMIGA $(AR) -vrus gc.a $(OBJS) dyn_load.o - ./if_not_there dont_ar_1 $(AR) ru gc.a $(OBJS) dyn_load.o - ./if_not_there dont_ar_1 $(RANLIB) gc.a || cat /dev/null -# ignore ranlib failure; that usually means it doesn't exist, and isn't needed - -cords: $(CORD_OBJS) cord/cordtest $(UTILS) - rm -f dont_ar_3 - ./if_mach SPARC SOLARIS touch dont_ar_3 - ./if_mach SPARC SOLARIS $(AR) rus gc.a $(CORD_OBJS) - ./if_mach M68K AMIGA touch dont_ar_3 - ./if_mach M68K AMIGA $(AR) -vrus gc.a $(CORD_OBJS) - ./if_not_there dont_ar_3 $(AR) ru gc.a $(CORD_OBJS) - ./if_not_there dont_ar_3 $(RANLIB) gc.a || cat /dev/null - -gc_cpp.o: $(srcdir)/gc_cpp.cc $(srcdir)/include/gc_cpp.h $(srcdir)/include/gc.h Makefile - $(CXX) -c $(CXXFLAGS) $(srcdir)/gc_cpp.cc - -test_cpp: $(srcdir)/tests/test_cpp.cc $(srcdir)/include/gc_cpp.h gc_cpp.o $(srcdir)/include/gc.h \ -base_lib $(UTILS) - rm -f test_cpp - ./if_mach HP_PA HPUX $(CXX) $(CXXFLAGS) -o test_cpp $(srcdir)/tests/test_cpp.cc gc_cpp.o gc.a -ldld `./threadlibs` - ./if_not_there test_cpp $(CXX) $(CXXFLAGS) -o test_cpp $(srcdir)/tests/test_cpp.cc gc_cpp.o gc.a `./threadlibs` - -c++-t: c++ - ./test_cpp 1 - -c++-nt: c++ - @echo "Use ./test_cpp 1 to test the leak library" - -c++: gc_cpp.o $(srcdir)/include/gc_cpp.h test_cpp - rm -f dont_ar_4 - ./if_mach SPARC SOLARIS touch dont_ar_4 - ./if_mach SPARC SOLARIS $(AR) rus gc.a gc_cpp.o - ./if_mach M68K AMIGA touch dont_ar_4 - ./if_mach M68K AMIGA $(AR) -vrus gc.a gc_cpp.o - ./if_not_there dont_ar_4 $(AR) ru gc.a gc_cpp.o - ./if_not_there dont_ar_4 $(RANLIB) gc.a || cat /dev/null - ./test_cpp 1 - echo > c++ - -dyn_load_sunos53.o: dyn_load.c - $(CC) $(CFLAGS) -DSUNOS53_SHARED_LIB -c $(srcdir)/dyn_load.c -o $@ - -# SunOS5 shared library version of the collector -sunos5gc.so: $(OBJS) dyn_load_sunos53.o - $(CC) -G -o sunos5gc.so $(OBJS) dyn_load_sunos53.o $(AO_INSTALL_DIR)/lib/libatomic_ops.a -ldl - ln sunos5gc.so libgc.so - -# Alpha/OSF shared library version of the collector -libalphagc.so: $(OBJS) - ld -shared -o libalphagc.so $(OBJS) dyn_load.o -lc - ln libalphagc.so libgc.so - -# IRIX shared library version of the collector -libirixgc.so: $(OBJS) dyn_load.o - ld -shared $(ABI_FLAG) -o libirixgc.so $(OBJS) dyn_load.o -lc - ln libirixgc.so libgc.so - -# Linux shared library version of the collector -liblinuxgc.so: $(OBJS) dyn_load.o - gcc -shared -o liblinuxgc.so $(OBJS) dyn_load.o - ln liblinuxgc.so libgc.so - -# Build gctest with dynamic library -dyn_test: - $(CC) $(CFLAGS) -o gctest tests/test.c libgc.so `./threadlibs` - ./gctest - -# Alternative Linux rule. This is preferable, but is likely to break the -# Makefile for some non-linux platforms. -# LIBOBJS= $(patsubst %.o, %.lo, $(OBJS)) -# -#.SUFFIXES: .lo $(SUFFIXES) -# -#.c.lo: -# $(CC) $(CFLAGS) $(CPPFLAGS) -fPIC -c $< -o $@ -# -# liblinuxgc.so: $(LIBOBJS) dyn_load.lo -# gcc -shared -Wl,-soname=libgc.so.0 -o libgc.so.0 $(LIBOBJS) dyn_load.lo -# touch liblinuxgc.so - -mach_dep.o: $(srcdir)/mach_dep.c $(srcdir)/mips_sgi_mach_dep.s \ - $(srcdir)/mips_ultrix_mach_dep.s \ - $(srcdir)/rs6000_mach_dep.s \ - $(srcdir)/sparc_mach_dep.S $(srcdir)/sparc_sunos4_mach_dep.s \ - $(srcdir)/ia64_save_regs_in_stack.s \ - $(srcdir)/sparc_netbsd_mach_dep.s $(UTILS) - rm -f mach_dep.o - ./if_mach SPARC SOLARIS $(CC) -c -o mach_dep2.o $(srcdir)/sparc_mach_dep.S - ./if_mach SPARC OPENBSD $(AS) -o mach_dep2.o $(srcdir)/sparc_sunos4_mach_dep.s - ./if_mach SPARC NETBSD $(AS) -o mach_dep2.o $(srcdir)/sparc_netbsd_mach_dep.s - ./if_mach SPARC "" $(CC) -c -o mach_dep1.o $(SPECIALCFLAGS) $(srcdir)/mach_dep.c - ./if_mach SPARC "" ld -r -o mach_dep.o mach_dep1.o mach_dep2.o - ./if_mach IA64 "" as $(AS_ABI_FLAG) -o ia64_save_regs_in_stack.o $(srcdir)/ia64_save_regs_in_stack.s - ./if_mach IA64 "" $(CC) -c -o mach_dep1.o $(SPECIALCFLAGS) $(srcdir)/mach_dep.c - ./if_mach IA64 "" ld -r -o mach_dep.o mach_dep1.o ia64_save_regs_in_stack.o - ./if_not_there mach_dep.o $(CC) -c $(SPECIALCFLAGS) $(srcdir)/mach_dep.c - -mark_rts.o: $(srcdir)/mark_rts.c $(UTILS) - rm -f mark_rts.o - -./if_mach ALPHA OSF1 $(CC) -c $(CFLAGS) -Wo,-notail $(srcdir)/mark_rts.c - ./if_not_there mark_rts.o $(CC) -c $(CFLAGS) $(srcdir)/mark_rts.c -# Work-around for DEC optimizer tail recursion elimination bug. -# The ALPHA-specific line should be removed if gcc is used. - -alloc.o: include/gc_version.h - -cord: - mkdir cord - -cord/cordbscs.o: cord $(srcdir)/cord/cordbscs.c $(CORD_INCLUDE_FILES) - $(CC) $(CFLAGS) -c -I$(srcdir) $(srcdir)/cord/cordbscs.c - mv cordbscs.o cord/cordbscs.o -# not all compilers understand -o filename - -cord/cordxtra.o: cord $(srcdir)/cord/cordxtra.c $(CORD_INCLUDE_FILES) - $(CC) $(CFLAGS) -c -I$(srcdir) $(srcdir)/cord/cordxtra.c - mv cordxtra.o cord/cordxtra.o - -cord/cordprnt.o: cord $(srcdir)/cord/cordprnt.c $(CORD_INCLUDE_FILES) - $(CC) $(CFLAGS) -c -I$(srcdir) $(srcdir)/cord/cordprnt.c - mv cordprnt.o cord/cordprnt.o - -cord/cordtest: $(srcdir)/cord/cordtest.c $(CORD_OBJS) gc.a $(UTILS) - rm -f cord/cordtest - ./if_mach SPARC DRSNX $(CC) $(CFLAGS) -o cord/cordtest $(srcdir)/cord/cordtest.c $(CORD_OBJS) gc.a -lucb - ./if_mach HP_PA HPUX $(CC) $(CFLAGS) -o cord/cordtest $(srcdir)/cord/cordtest.c $(CORD_OBJS) gc.a -ldld `./threadlibs` - ./if_mach M68K AMIGA $(CC) $(CFLAGS) -UGC_AMIGA_MAKINGLIB -o cord/cordtest $(srcdir)/cord/cordtest.c $(CORD_OBJS) gc.a `./threadlibs` - ./if_not_there cord/cordtest $(CC) $(CFLAGS) -o cord/cordtest $(srcdir)/cord/cordtest.c $(CORD_OBJS) gc.a `./threadlibs` - -cord/de: $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a $(UTILS) - rm -f cord/de - ./if_mach SPARC DRSNX $(CC) $(CFLAGS) -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a $(CURSES) -lucb `./threadlibs` - ./if_mach HP_PA HPUX $(CC) $(CFLAGS) -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a $(CURSES) -ldld `./threadlibs` - ./if_mach POWERPC AIX $(CC) $(CFLAGS) -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a -lcurses - ./if_mach POWERPC DARWIN $(CC) $(CFLAGS) -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a - ./if_mach I386 LINUX $(CC) $(CFLAGS) -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a -lcurses `./threadlibs` - ./if_mach ALPHA LINUX $(CC) $(CFLAGS) -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a -lcurses `./threadlibs` - ./if_mach IA64 LINUX $(CC) $(CFLAGS) -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a -lcurses `./threadlibs` - ./if_mach M68K AMIGA $(CC) $(CFLAGS) -UGC_AMIGA_MAKINGLIB -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a -lcurses - ./if_not_there cord/de $(CC) $(CFLAGS) -o cord/de $(srcdir)/cord/de.c cord/cordbscs.o cord/cordxtra.o gc.a $(CURSES) `./threadlibs` - -if_mach: $(srcdir)/if_mach.c $(srcdir)/include/private/gcconfig.h - $(HOSTCC) $(HOSTCFLAGS) -o if_mach $(srcdir)/if_mach.c - -threadlibs: $(srcdir)/threadlibs.c $(srcdir)/include/private/gcconfig.h Makefile - $(HOSTCC) $(HOSTCFLAGS) -o threadlibs $(srcdir)/threadlibs.c - -if_not_there: $(srcdir)/if_not_there.c - $(HOSTCC) $(HOSTCFLAGS) -o if_not_there $(srcdir)/if_not_there.c - -clean: - rm -f gc.a *.o *.exe tests/*.o gctest gctest_dyn_link test_cpp \ - setjmp_test mon.out gmon.out a.out core if_not_there if_mach \ - threadlibs $(CORD_OBJS) cord/cordtest cord/de - -rm -f *~ - -gctest: tests/test.o gc.a $(UTILS) - rm -f gctest - ./if_mach SPARC DRSNX $(CC) $(CFLAGS) -o gctest tests/test.o gc.a -lucb - ./if_mach HP_PA HPUX $(CC) $(CFLAGS) -o gctest tests/test.o gc.a -ldld `./threadlibs` - ./if_mach M68K AMIGA $(CC) $(CFLAGS) -UGC_AMIGA_MAKINGLIB -o gctest tests/test.o gc.a `./threadlibs` - ./if_not_there gctest $(CC) $(CFLAGS) -o gctest tests/test.o gc.a `./threadlibs` - -# If an optimized setjmp_test generates a segmentation fault, -# odds are your compiler is broken. Gctest may still work. -# Try compiling setjmp_t.c unoptimized. -setjmp_test: $(srcdir)/setjmp_t.c $(srcdir)/include/gc.h $(UTILS) $(AO_INSTALL_DIR) - $(CC) $(CFLAGS) -o setjmp_test $(srcdir)/setjmp_t.c - -test: KandRtest cord/cordtest - cord/cordtest - -# Those tests that work even with a K&R C compiler: -KandRtest: setjmp_test gctest - ./setjmp_test - ./gctest - -add_gc_prefix: $(srcdir)/add_gc_prefix.c $(srcdir)/include/gc_version.h - $(CC) -o add_gc_prefix $(srcdir)/add_gc_prefix.c - -gcname: $(srcdir)/gcname.c $(srcdir)/include/gc_version.h - $(CC) -o gcname $(srcdir)/gcname.c - -#We assume this is being done from source directory. -dist gc.tar: $(SRCS) $(DOC_FILES) $(OTHER_FILES) add_gc_prefix gcname - cp Makefile Makefile.old - cp Makefile.direct Makefile - CC=$(CC) ./configure_atomic_ops.sh - cd $(AO_SRC_DIR); $(MAKE) dist - if test $(srcdir)/libatomic_ops-$(AO_VERSION) = $(AO_SRC_DIR); \ - then \ - mv $(AO_SRC_DIR) $(AO_SRC_DIR).bak ; \ - tar xvfz $(AO_SRC_DIR).bak/libatomic_ops-$(AO_VERSION).tar.gz ; \ - else \ - tar xvfz $(AO_SRC_DIR)/libatomic_ops-$(AO_VERSION).tar.gz ; \ - fi - rm -f `./gcname` - ln -s . `./gcname` - ./add_gc_prefix $(SRCS) $(DOC_FILES) $(OTHER_FILES) libatomic_ops-$(AO_VERSION) > /tmp/gc.tar-files - tar cvfh gc.tar `cat /tmp/gc.tar-files` - cp gc.tar `./gcname`.tar - gzip `./gcname`.tar - rm `./gcname` - -gc.tar.Z: gc.tar - compress gc.tar - -gc.tar.gz: gc.tar - gzip gc.tar - -lint: $(CSRCS) tests/test.c - lint -DLINT $(CSRCS) tests/test.c | egrep -v "possible pointer alignment problem|abort|exit|sbrk|mprotect|syscall|change in ANSI|improper alignment" - -# BTL: added to test shared library version of collector. -# Currently works only under SunOS5. Requires GC_INIT call from statically -# loaded client code. -ABSDIR = `pwd` -gctest_dyn_link: tests/test.o libgc.so - $(CC) -L$(ABSDIR) -R$(ABSDIR) -o gctest_dyn_link tests/test.o -lgc -ldl -lthread - -gctest_irix_dyn_link: tests/test.o libirixgc.so - $(CC) -L$(ABSDIR) -o gctest_irix_dyn_link tests/test.o -lirixgc - -# The following appear to be dead, especially since libgc_globals.h -# is apparently lost. -test_dll.o: tests/test.c libgc_globals.h - $(CC) $(CFLAGS) -DGC_USE_DLL -c tests/test.c -o test_dll.o - -test_dll: test_dll.o libgc_dll.a libgc.dll - $(CC) test_dll.o -L$(ABSDIR) -lgc_dll -o test_dll - -SYM_PREFIX-libgc=GC - -# Uncomment the following line to build a GNU win32 DLL -# include Makefile.DLLs - -reserved_namespace: $(SRCS) - for file in $(SRCS) tests/test.c tests/test_cpp.cc; do \ - sed s/GC_/_GC_/g < $$file > tmp; \ - cp tmp $$file; \ - done - -user_namespace: $(SRCS) - for file in $(SRCS) tests/test.c tests/test_cpp.cc; do \ - sed s/_GC_/GC_/g < $$file > tmp; \ - cp tmp $$file; \ - done diff --git a/vendor/gc/Makefile.dj b/vendor/gc/Makefile.dj deleted file mode 100644 index c56ea7b..0000000 --- a/vendor/gc/Makefile.dj +++ /dev/null @@ -1,428 +0,0 @@ -# This Makefile is intended only for DJGPP use. -# It is mainly a copy of the main Makefile, but tends to get out of sync -# with it. A merge would probably be appropriate. - -# Primary targets: -# gc.a - builds basic library -# libgc.a - builds library for use with g++ "-fgc-keyword" extension -# -fgc-keyword was never really available. Historical -# interest only. -# c++ - adds C++ interface to library -# cords - adds cords (heavyweight strings) to library -# test - prints porting information, then builds basic version of gc.a, -# and runs some tests of collector and cords. Does not add cords or -# c++ interface to gc.a -# cord/de$(EXE_SUFFIX) - builds dumb editor based on cords. -ABI_FLAG= -CC=gcc $(ABI_FLAG) -CXX=gxx $(ABI_FLAG) -AS=gcc -c -x assembler-with-cpp $(ABI_FLAG) -# The above doesn't work with gas, which doesn't run cpp. -# Define AS as `gcc -c -x assembler-with-cpp' instead. -# Under Irix 6, you will have to specify the ABI (-o32, -n32, or -64) -# if you use something other than the default ABI on your machine. - -# special defines for DJGPP -CXXLD=gxx $(ABI_FLAG) -EXE_SUFFIX=.exe - -srcdir= . -VPATH= $(srcdir) - -CFLAGS= -gstabs+ -O2 -I$(srcdir)/include -DATOMIC_UNCOLLECTABLE -DALL_INTERIOR_POINTERS -DNO_EXECUTE_PERMISSION - -# Setjmp_test may yield overly optimistic results when compiled -# without optimization. -# -DFIND_LEAK causes GC_find_leak to be initially set. -# This causes the collector to assume that all inaccessible -# objects should have been explicitly deallocated, and reports exceptions. -# Finalization and the test program are not usable in this mode. -# -DALL_INTERIOR_POINTERS allows all pointers to the interior -# of objects to be recognized. (See gc_priv.h for consequences.) -# -DSMALL_CONFIG tries to tune the collector for small heap sizes, -# usually causing it to use less space in such situations. -# Incremental collection no longer works in this case. -# -DLARGE_CONFIG tunes the collector for unusually large heaps. -# Necessary for heaps larger than about 500 MB on most machines. -# Recommended for heaps larger than about 64 MB. -# -DDONT_ADD_BYTE_AT_END is meaningful only with -# -DALL_INTERIOR_POINTERS. Normally -DALL_INTERIOR_POINTERS -# causes all objects to be padded so that pointers just past the end of -# an object can be recognized. This can be expensive. (The padding -# is normally more than one byte due to alignment constraints.) -# -DDONT_ADD_BYTE_AT_END disables the padding. -# -DNO_SIGNALS does not disable signals during critical parts of -# the GC process. This is no less correct than many malloc -# implementations, and it sometimes has a significant performance -# impact. However, it is dangerous for many not-quite-ANSI C -# programs that call things like printf in asynchronous signal handlers. -# This is on by default. Turning it off has not been extensively tested with -# compilers that reorder stores. It should have been. -# -DNO_EXECUTE_PERMISSION may cause some or all of the heap to not -# have execute permission, i.e. it may be impossible to execute -# code from the heap. Currently this only affects the incremental -# collector on UNIX machines. It may greatly improve its performance, -# since this may avoid some expensive cache synchronization. -# -DGC_NO_OPERATOR_NEW_ARRAY declares that the C++ compiler does not support -# the new syntax "operator new[]" for allocating and deleting arrays. -# See gc_cpp.h for details. No effect on the C part of the collector. -# This is defined implicitly in a few environments. Must also be defined -# by clients that use gc_cpp.h. -# -DREDIRECT_MALLOC=X causes malloc, realloc, and free to be defined -# as aliases for X, GC_realloc, and GC_free, respectively. -# Calloc is redefined in terms of the new malloc. X should -# be either GC_malloc or GC_malloc_uncollectable. -# The former is occasionally useful for working around leaks in code -# you don't want to (or can't) look at. It may not work for -# existing code, but it often does. Neither works on all platforms, -# since some ports use malloc or calloc to obtain system memory. -# (Probably works for UNIX, and win32.) -# -DIGNORE_FREE turns calls to free into a noop. Only useful with -# -DREDIRECT_MALLOC. -# -DNO_DEBUGGING removes GC_dump and the debugging routines it calls. -# Reduces code size slightly at the expense of debuggability. -# -DJAVA_FINALIZATION makes it somewhat safer to finalize objects out of -# order by specifying a nonstandard finalization mark procedure (see -# finalize.c). Objects reachable from finalizable objects will be marked -# in a sepearte postpass, and hence their memory won't be reclaimed. -# Not recommended unless you are implementing a language that specifies -# these semantics. Since 5.0, determines only only the initial value -# of GC_java_finalization variable. -# -DFINALIZE_ON_DEMAND causes finalizers to be run only in response -# to explicit GC_invoke_finalizers() calls. -# In 5.0 this became runtime adjustable, and this only determines the -# initial value of GC_finalize_on_demand. -# -DATOMIC_UNCOLLECTABLE includes code for GC_malloc_atomic_uncollectable. -# This is useful if either the vendor malloc implementation is poor, -# or if REDIRECT_MALLOC is used. -# -DHBLKSIZE=ddd, where ddd is a power of 2 between 512 and 16384, explicitly -# sets the heap block size. Each heap block is devoted to a single size and -# kind of object. For the incremental collector it makes sense to match -# the most likely page size. Otherwise large values result in more -# fragmentation, but generally better performance for large heaps. -# -DPRINT_BLACK_LIST Whenever a black list entry is added, i.e. whenever -# the garbage collector detects a value that looks almost, but not quite, -# like a pointer, print both the address containing the value, and the -# value of the near-bogus-pointer. Can be used to identifiy regions of -# memory that are likely to contribute misidentified pointers. -# -DKEEP_BACK_PTRS Add code to save back pointers in debugging headers -# for objects allocated with the debugging allocator. If all objects -# through GC_MALLOC with GC_DEBUG defined, this allows the client -# to determine how particular or randomly chosen objects are reachable -# for debugging/profiling purposes. The gc_backptr.h interface is -# implemented only if this is defined. -# -DGC_ASSERTIONS Enable some internal GC assertion checking. Currently -# this facility is only used in a few places. It is intended primarily -# for debugging of the garbage collector itself, but could also -# -DDBG_HDRS_ALL Make sure that all objects have debug headers. Increases -# the reliability (from 99.9999% to 100%) of some of the debugging -# code (especially KEEP_BACK_PTRS). Makes -DSHORT_DBG_HDRS possible. -# Assumes that all client allocation is done through debugging -# allocators. -# -DSHORT_DBG_HDRS Assume that all objects have debug headers. Shorten -# the headers to minimize object size, at the expense of checking for -# writes past the end of an object. This is intended for environments -# in which most client code is written in a "safe" language, such as -# Scheme or Java. Assumes that all client allocation is done using -# the GC_debug_ functions (or through the macros that expand to these. -# (Also eliminates the field for the requested object size.) -# occasionally be useful for debugging of client code. Slows down the -# collector somewhat, but not drastically. -# -DCHECKSUMS reports on erroneously clear dirty bits, and unexpectedly -# altered stubborn objects, at substantial performance cost. -# Use only for debugging of the incremental collector. -# -DGC_GCJ_SUPPORT includes support for gcj (and possibly other systems -# that include a pointer to a type descriptor in each allocated object). -# Building this way requires an ANSI C compiler. -# -DUSE_I686_PREFETCH causes the collector to issue Pentium III style -# prefetch instructions. No effect except on X86 Linux platforms. -# Assumes a very recent gcc-compatible compiler and assembler. -# (Gas prefetcht0 support was added around May 1999.) -# Empirically the code appears to still run correctly on Pentium II -# processors, though with no performance benefit. May not run on other -# X86 processors? In some cases this improves performance by -# 15% or so. -# -DUSE_3DNOW_PREFETCH causes the collector to issue AMD 3DNow style -# prefetch instructions. Same restrictions as USE_I686_PREFETCH. -# UNTESTED!! -# -DGC_USE_LD_WRAP in combination with the gld flags listed in README.linux -# causes the collector some system and pthread calls in a more transparent -# fashion than the usual macro-based approach. Requires GNU ld, and -# currently probably works only with Linux. - - -CXXFLAGS= $(CFLAGS) -DGC_OPERATOR_NEW_ARRAY -AR= ar -RANLIB= ranlib - - -OBJS= alloc.o reclaim.o allchblk.o misc.o mach_dep.o os_dep.o mark_rts.o headers.o mark.o obj_map.o blacklst.o finalize.o new_hblk.o dbg_mlc.o malloc.o stubborn.o checksums.o solaris_threads.o typd_mlc.o ptr_chck.o mallocx.o solaris_pthreads.o gcj_mlc.o specific.o - -CSRCS= reclaim.c allchblk.c misc.c alloc.c mach_dep.c os_dep.c mark_rts.c headers.c mark.c obj_map.c pcr_interface.c blacklst.c finalize.c new_hblk.c real_malloc.c dyn_load.c dbg_mlc.c malloc.c stubborn.c checksums.c solaris_threads.c typd_mlc.c ptr_chck.c mallocx.c solaris_pthreads.c gcj_mlc.c specific.c - -CORD_SRCS= cord/cordbscs.c cord/cordxtra.c cord/cordprnt.c cord/de.c cord/cordtest.c include/cord.h include/ec.h include/private/cord_pos.h cord/de_win.c cord/de_win.h cord/de_cmds.h cord/de_win.ICO cord/de_win.RC cord/SCOPTIONS.amiga cord/SMakefile.amiga - -CORD_OBJS= cord/cordbscs.o cord/cordxtra.o cord/cordprnt.o - -SRCS= $(CSRCS) mips_sgi_mach_dep.S rs6000_mach_dep.s alpha_mach_dep.S \ - sparc_mach_dep.S include/gc.h include/gc_version.h include/gc_typed.h \ - include/private/gc_hdrs.h include/private/gc_priv.h \ - include/private/gcconfig.h include/private/gc_mark.h \ - include/gc_inline.h gc.man \ - threadlibs.c if_mach.c if_not_there.c gc_cpp.cc include/gc_cpp.h \ - include/weakpointer.h include/private/gc_locks.h \ - gcc_support.c mips_ultrix_mach_dep.s include/gc_alloc.h \ - include/new_gc_alloc.h include/javaxfc.h sparc_sunos4_mach_dep.s \ - include/private/solaris_threads.h include/gc_backptr.h \ - hpux_test_and_clear.s include/gc_gcj.h \ - include/gc_local_alloc.h include/private/dbg_mlc.h \ - include/private/specific.h \ - include/leak_detector.h $(CORD_SRCS) - -OTHER_FILES= Makefile PCR-Makefile OS2_MAKEFILE NT_MAKEFILE BCC_MAKEFILE \ - README tests/test.c test_cpp.cc setjmp_t.c SMakefile.amiga \ - SCoptions.amiga README.amiga README.win32 cord/README \ - README.rs6000 README.QUICK callprocs pc_excludes \ - barrett_diagram README.OS2 README.Mac MacProjects.sit.hqx \ - MacOS.c EMX_MAKEFILE README.debugging \ - Mac_files/datastart.c Mac_files/dataend.c \ - Mac_files/MacOS_config.h Mac_files/MacOS_Test_config.h \ - add_gc_prefix.c README.solaris2 README.sgi README.hp README.uts \ - win32_threads.c NT_THREADS_MAKEFILE gc.mak README.dj Makefile.dj \ - README.alpha README.linux README.MacOSX Makefile.DLLs \ - WCC_MAKEFILE nursery.c include/gc_nursery.h include/gc_copy_descr.h - -CORD_INCLUDE_FILES= $(srcdir)/include/gc.h $(srcdir)/include/cord.h \ - $(srcdir)/include/ec.h $(srcdir)/include/private/cord_pos.h - -UTILS= if_mach$(EXE_SUFFIX) if_not_there$(EXE_SUFFIX) - -# Libraries needed for curses applications. Only needed for de. -CURSES= -lcurses -ltermlib - -# The following is irrelevant on most systems. But a few -# versions of make otherwise fork the shell specified in -# the SHELL environment variable. -SHELL= /bin/sh - -SPECIALCFLAGS = -I$(srcdir)/include -# Alternative flags to the C compiler for mach_dep.c. -# Mach_dep.c often doesn't like optimization, and it's -# not time-critical anyway. -# Set SPECIALCFLAGS to -q nodirect_code on Encore. - -all: gc.a gctest$(EXE_SUFFIX) - -$(OBJS) test.o dyn_load.o dyn_load_sunos53.o: \ - $(srcdir)/include/private/gc_priv.h \ - $(srcdir)/include/private/gc_hdrs.h $(srcdir)/include/private/gc_locks.h \ - $(srcdir)/include/gc.h \ - $(srcdir)/include/private/gcconfig.h $(srcdir)/include/gc_typed.h \ - Makefile -# The dependency on Makefile is needed. Changing -# options affects the size of GC_arrays, -# invalidating all .o files that rely on gc_priv.h - -mark.o typd_mlc.o finalize.o: $(srcdir)/include/gc_mark.h - -base_lib gc.a: $(OBJS) dyn_load.o $(UTILS) - echo > base_lib - rm -f on_sparc_sunos5_1 - ./if_mach SPARC SOLARIS touch on_sparc_sunos5_1 - ./if_mach SPARC SOLARIS $(AR) rus gc.a $(OBJS) dyn_load.o - ./if_not_there on_sparc_sunos5_1 $(AR) ru gc.a $(OBJS) dyn_load.o - -./if_not_there on_sparc_sunos5_1 $(RANLIB) gc.a -# ignore ranlib failure; that usually means it doesn't exist, and isn't needed - -cords: $(CORD_OBJS) cord/cordtest$(EXE_SUFFIX) $(UTILS) - rm -f on_sparc_sunos5_3 - ./if_mach SPARC SOLARIS touch on_sparc_sunos5_3 - ./if_mach SPARC SOLARIS $(AR) rus gc.a $(CORD_OBJS) - ./if_not_there on_sparc_sunos5_3 $(AR) ru gc.a $(CORD_OBJS) - -./if_not_there on_sparc_sunos5_3 $(RANLIB) gc.a - -gc_cpp.o: $(srcdir)/gc_cpp.cc $(srcdir)/include/gc_cpp.h $(srcdir)/include/gc.h Makefile - $(CXX) -c $(CXXFLAGS) $(srcdir)/gc_cpp.cc - -test_cpp$(EXE_SUFFIX): $(srcdir)/test_cpp.cc $(srcdir)/include/gc_cpp.h gc_cpp.o $(srcdir)/include/gc.h \ -base_lib $(UTILS) - rm -f test_cpp test_cpp$(EXE_SUFFIX) - ./if_mach HP_PA "" $(CXX) $(CXXFLAGS) -o test_cpp $(srcdir)/test_cpp.cc gc_cpp.o gc.a -ldld - ./if_not_there test_cpp$(EXE_SUFFIX) $(CXXLD) $(CXXFLAGS) -o test_cpp$(EXE_SUFFIX) $(srcdir)/test_cpp.cc gc_cpp.o gc.a - rm -f test_cpp - -c++: gc_cpp.o $(srcdir)/include/gc_cpp.h test_cpp$(EXE_SUFFIX) - rm -f on_sparc_sunos5_4 - ./if_mach SPARC SOLARIS touch on_sparc_sunos5_4 - ./if_mach SPARC SOLARIS $(AR) rus gc.a gc_cpp.o - ./if_not_there on_sparc_sunos5_4 $(AR) ru gc.a gc_cpp.o - -./if_not_there on_sparc_sunos5_4 $(RANLIB) gc.a - ./test_cpp$(EXE_SUFFIX) 1 - echo > c++ - -dyn_load_sunos53.o: dyn_load.c - $(CC) $(CFLAGS) -DSUNOS53_SHARED_LIB -c $(srcdir)/dyn_load.c -o $@ - -# SunOS5 shared library version of the collector -sunos5gc.so: $(OBJS) dyn_load_sunos53.o - $(CC) -G -o sunos5gc.so $(OBJS) dyn_load_sunos53.o -ldl - ln sunos5gc.so libgc.so - -# Alpha/OSF shared library version of the collector -libalphagc.so: $(OBJS) - ld -shared -o libalphagc.so $(OBJS) dyn_load.o -lc - ln libalphagc.so libgc.so - -# IRIX shared library version of the collector -libirixgc.so: $(OBJS) dyn_load.o - ld -shared $(ABI_FLAG) -o libirixgc.so $(OBJS) dyn_load.o -lc - ln libirixgc.so libgc.so - -# Linux shared library version of the collector -liblinuxgc.so: $(OBJS) dyn_load.o - gcc -shared -o liblinuxgc.so $(OBJS) dyn_load.o -lo - ln liblinuxgc.so libgc.so - -mach_dep.o: $(srcdir)/mach_dep.c $(srcdir)/mips_sgi_mach_dep.S $(srcdir)/mips_ultrix_mach_dep.s \ - $(srcdir)/rs6000_mach_dep.s $(UTILS) - rm -f mach_dep.o - ./if_mach MIPS IRIX5 $(AS) -o mach_dep.o $(srcdir)/mips_sgi_mach_dep.S - ./if_mach MIPS RISCOS $(AS) -o mach_dep.o $(srcdir)/mips_ultrix_mach_dep.s - ./if_mach MIPS ULTRIX $(AS) -o mach_dep.o $(srcdir)/mips_ultrix_mach_dep.s - ./if_mach POWERPC AIX $(AS) -o mach_dep.o $(srcdir)/rs6000_mach_dep.s - ./if_mach ALPHA "" $(AS) -o mach_dep.o $(srcdir)/alpha_mach_dep.S - ./if_mach SPARC SOLARIS $(AS) -o mach_dep.o $(srcdir)/sparc_mach_dep.S - ./if_mach SPARC SUNOS4 $(AS) -o mach_dep.o $(srcdir)/sparc_sunos4_mach_dep.s - ./if_not_there mach_dep.o $(CC) -c $(SPECIALCFLAGS) $(srcdir)/mach_dep.c - -mark_rts.o: $(srcdir)/mark_rts.c if_mach if_not_there $(UTILS) - rm -f mark_rts.o - -./if_mach ALPHA OSF1 $(CC) -c $(CFLAGS) -Wo,-notail $(srcdir)/mark_rts.c - ./if_not_there mark_rts.o $(CC) -c $(CFLAGS) $(srcdir)/mark_rts.c -# Work-around for DEC optimizer tail recursion elimination bug. -# The ALPHA-specific line should be removed if gcc is used. - -alloc.o: include/gc_version.h - -cord/cordbscs.o: $(srcdir)/cord/cordbscs.c $(CORD_INCLUDE_FILES) - $(CC) $(CFLAGS) -c -I$(srcdir) $(srcdir)/cord/cordbscs.c - mv cordbscs.o cord/cordbscs.o -# not all compilers understand -o filename - -cord/cordxtra.o: $(srcdir)/cord/cordxtra.c $(CORD_INCLUDE_FILES) - $(CC) $(CFLAGS) -c -I$(srcdir) $(srcdir)/cord/cordxtra.c - mv cordxtra.o cord/cordxtra.o - -cord/cordprnt.o: $(srcdir)/cord/cordprnt.c $(CORD_INCLUDE_FILES) - 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$(CPP) $(CPP_PROJ) $(SOURCE) - - -!ENDIF - -# End Source File -################################################################################ -# Begin Source File - -SOURCE=.\cord\cordxtra.c -DEP_CPP_CORDX=\ - ".\include\cord.h"\ - ".\include\ec.h"\ - ".\include\private\cord_pos.h"\ - -NODEP_CPP_CORDX=\ - ".\include\gc.h"\ - - -!IF "$(CFG)" == "cord - Win32 Release" - - -".\cord\Release\cordxtra.obj" : $(SOURCE) $(DEP_CPP_CORDX) "$(INTDIR)" - $(CPP) $(CPP_PROJ) $(SOURCE) - - -!ELSEIF "$(CFG)" == "cord - Win32 Debug" - - -".\cord\Debug\cordxtra.obj" : $(SOURCE) $(DEP_CPP_CORDX) "$(INTDIR)" - $(CPP) $(CPP_PROJ) $(SOURCE) - - -!ENDIF - -# End Source File -################################################################################ -# Begin Source File - -SOURCE=.\cord\cordbscs.c -DEP_CPP_CORDB=\ - ".\include\cord.h"\ - ".\include\private\cord_pos.h"\ - -NODEP_CPP_CORDB=\ - ".\include\gc.h"\ - - -!IF "$(CFG)" == "cord - Win32 Release" - - -".\cord\Release\cordbscs.obj" : $(SOURCE) $(DEP_CPP_CORDB) "$(INTDIR)" - $(CPP) $(CPP_PROJ) $(SOURCE) - - -!ELSEIF "$(CFG)" == "cord - Win32 Debug" - - -".\cord\Debug\cordbscs.obj" : $(SOURCE) $(DEP_CPP_CORDB) "$(INTDIR)" - $(CPP) $(CPP_PROJ) $(SOURCE) - - -!ENDIF - -# End Source File -################################################################################ -# Begin Source File - -SOURCE=.\cord\de_win.RC - -!IF "$(CFG)" == "cord - Win32 Release" - - -".\cord\Release\de_win.res" : $(SOURCE) "$(INTDIR)" - $(RSC) /l 0x809 /fo"$(INTDIR)/de_win.res" /i "cord" /d "NDEBUG" $(SOURCE) - - -!ELSEIF "$(CFG)" == "cord - Win32 Debug" - - -".\cord\Debug\de_win.res" : $(SOURCE) "$(INTDIR)" - $(RSC) /l 0x809 /fo"$(INTDIR)/de_win.res" /i "cord" /d "_DEBUG" $(SOURCE) - - -!ENDIF - -# End Source File -# End Target -# End Project -################################################################################ diff --git a/vendor/gc/NT_X64_STATIC_THREADS_MAKEFILE b/vendor/gc/NT_X64_STATIC_THREADS_MAKEFILE deleted file mode 100644 index d0264b6..0000000 --- a/vendor/gc/NT_X64_STATIC_THREADS_MAKEFILE +++ /dev/null @@ -1,74 +0,0 @@ -# Makefile for Windows NT. Assumes Microsoft compiler. -# DLLs are included in the root set. -# Use "nmake nodebug=1 all" for optimized versions of library, gctest and editor. - -MY_CPU=AMD64 -CPU=$(MY_CPU) -!include - -# Make sure that .cc is not viewed as a suffix. It is for VC++2005, but -# not earlier versions. We can deal with either, but not inconsistency. -.SUFFIXES: -.SUFFIXES: .obj .cpp .c - -# Atomic_ops installation directory. For win32, the source directory -# should do, since we only need the headers. -# We assume this was manually unpacked, since I'm not sure there is -# a Windows standard command line tool to do this. -AO_VERSION=1.2 -AO_SRC_DIR=libatomic_ops-$(AO_VERSION)/src -AO_INCLUDE_DIR=$(AO_SRC_DIR) - -OBJS= alloc.obj reclaim.obj allchblk.obj misc.obj mach_dep.obj os_dep.obj mark_rts.obj headers.obj mark.obj obj_map.obj blacklst.obj finalize.obj new_hblk.obj dbg_mlc.obj malloc.obj stubborn.obj dyn_load.obj typd_mlc.obj ptr_chck.obj gc_cpp.obj mallocx.obj win32_threads.obj msvc_dbg.obj thread_local_alloc.obj - -all: gctest.exe cord\de.exe test_cpp.exe - -.c.obj: - $(cc) $(cdebug) $(cflags) $(cvarsmt) -Iinclude -I$(AO_INCLUDE_DIR) -DALL_INTERIOR_POINTERS -D__STDC__ -DGC_NOT_DLL -DGC_WIN32_THREADS -DTHREAD_LOCAL_ALLOC $*.c /Fo$*.obj /wd4701 -D_CRT_SECURE_NO_DEPRECATE -# Disable "may not be initialized" warnings. They're too approximate. -# Disable crt security warnings, since unfortunately they warn about all sorts -# of safe uses of strncpy. It would be nice to leave the rest enabled. - -.cpp.obj: - $(cc) $(cdebug) $(cflags) $(cvarsmt) -Iinclude -I$(AO_INCLUDE_DIR) -DALL_INTERIOR_POINTERS -DGC_NOT_DLL $*.CPP -DGC_WIN32_THREADS -DTHREAD_LOCAL_ALLOC /Fo$*.obj -D_CRT_SECURE_NO_DEPRECATE - -$(OBJS) tests\test.obj: include\private\gc_priv.h include\private\gc_hdrs.h include\gc.h include\private\gcconfig.h include\private\gc_locks.h include\private\gc_pmark.h include\gc_mark.h include\private\msvc_dbg.h - -gc.lib: $(OBJS) - lib /MACHINE:X64 /out:gc.lib $(OBJS) - -gctest.exe: tests\test.obj gc.lib -# This produces a "GUI" applications that opens no windows and writes to the log file -# "gc.log". This was done to make the result runnable under win32s and -# should be fixed. - $(link) $(ldebug) $(guiflags) -stack:131072 -out:$*.exe tests\test.obj $(guilibs) gc.lib - -cord\de_win.rbj: cord\de_win.res - cvtres /MACHINE:$(MY_CPU) /OUT:cord\de_win.rbj cord\de_win.res - -cord\de.obj cord\de_win.obj: include\cord.h include\private\cord_pos.h cord\de_win.h cord\de_cmds.h - -cord\de_win.res: cord\de_win.rc cord\de_win.h cord\de_cmds.h - $(rc) $(rcvars) -r -fo cord\de_win.res cord\de_win.rc - -# Cord/de is a real win32 gui application. -cord\de.exe: cord\cordbscs.obj cord\cordxtra.obj cord\de.obj cord\de_win.obj cord\de_win.rbj gc.lib - $(link) $(ldebug) $(guiflags) -stack:16384 -out:cord\de.exe cord\cordbscs.obj cord\cordxtra.obj cord\de.obj cord\de_win.obj cord\de_win.rbj gc.lib $(guilibs) - -gc_cpp.obj: include\gc_cpp.h include\gc.h - -gc_cpp.cpp: gc_cpp.cc - copy gc_cpp.cc gc_cpp.cpp - -test_cpp.cpp: tests\test_cpp.cc - copy tests\test_cpp.cc test_cpp.cpp - -# This generates the C++ test executable. The executable expects -# a single numeric argument, which is the number of iterations. -# The output appears in the file "gc.log". -test_cpp.exe: test_cpp.obj include\gc_cpp.h include\gc.h gc.lib - $(link) $(ldebug) $(guiflags) -stack:16384 -out:test_cpp.exe test_cpp.obj gc.lib $(guilibs) - -AO_SCR_DIR: - tar xvfz $(AO_SRC_DIR).tar.gz; - diff --git a/vendor/gc/NT_X64_THREADS_MAKEFILE b/vendor/gc/NT_X64_THREADS_MAKEFILE deleted file mode 100644 index 5a16aec..0000000 --- a/vendor/gc/NT_X64_THREADS_MAKEFILE +++ /dev/null @@ -1,90 +0,0 @@ -# Makefile for Windows NT. Assumes Microsoft compiler. -# modified 2007 August by Friedrich Dominicus: -# - copied from NT_X64_STATIC_THREADS_MAKEFILES -# - checked agaist NT_THREADS_MAKEFILE -# - added changes to integrate the tools -# - currently just with debug information -# problems can be sent to -# frido at q-software-solutions.de -# -# or the mailing list - - -MY_CPU=AMD64 -CPU=$(MY_CPU) -!include - -# Make sure that .cc is not viewed as a suffix. It is for VC++2005, but # not earlier versions. We can deal with either, but not inconsistency. -.SUFFIXES: -.SUFFIXES: .obj .cpp .c - -# Atomic_ops installation directory. For win32, the source directory -# should do, since we only need the headers. -# We assume this was manually unpacked, since I'm not sure there is -# a Windows standard command line tool to do this. -AO_VERSION=1.2 -AO_SRC_DIR=libatomic_ops-$(AO_VERSION)/src -AO_INCLUDE_DIR=$(AO_SRC_DIR) - -OBJS= alloc.obj reclaim.obj allchblk.obj misc.obj mach_dep.obj os_dep.obj mark_rts.obj headers.obj mark.obj obj_map.obj blacklst.obj finalize.obj new_hblk.obj dbg_mlc.obj malloc.obj stubborn.obj dyn_load.obj typd_mlc.obj ptr_chck.obj gc_cpp.obj mallocx.obj win32_threads.obj msvc_dbg.obj thread_local_alloc.obj - -all: gc64_dll.dll gctest.exe cord\de.exe test_cpp.exe - -.c.obj: - $(cc) $(cdebug) $(cflags) $(cvarsmt) -Iinclude -I$(AO_INCLUDE_DIR) -DALL_INTERIOR_POINTERS -DGC_DLL -D__STDC__ -DGC_BUILD -DGC_WIN32_THREADS $*.c /Fo$*.obj /wd4701 -D_CRT_SECURE_NO_DEPRECATE -# Disable "may not be initialized" warnings. They're too approximate. -# Disable crt security warnings, since unfortunately they warn about all sorts # of safe uses of strncpy. It would be nice to leave the rest enabled. - -.cpp.obj: - $(cc) $(cdebug) $(cflags) $(cvarsmt) -Iinclude -I$(AO_INCLUDE_DIR) -DALL_INTERIOR_POINTERS -DGC_NOT_DLL-DALL_INTERIOR_POINTERS -DGC_DLL -D__STDC__ -DGC_BUILD -DGC_WIN32_THREADS $*.CPP /Fo$*.obj -D_CRT_SECURE_NO_DEPRECATE - -$(OBJS) tests\test.obj: include\private\gc_priv.h include\private\gc_hdrs.h include\gc.h include\private\gcconfig.h include\private\gc_locks.h include\private\gc_pmark.h include\gc_mark.h include\private\msvc_dbg.h - - -LINK64=link.exe -LINK64_FLAGS=kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib \ -shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo \ -/subsystem:windows /dll /incremental:no /pdb:"gc.pdb" /machine:X64 /out:"gc64_dll.dll" \ -/implib:"gc64_dll.lib" - -gc64_dll.dll : $(OBJS) - $(LINK64) $(ldebug) $(LINK64_FLAGS) $(OBJS) - - - -gctest.exe: tests\test.obj gc64_dll.lib -# This produces a "GUI" applications that opens no windows and writes to the log file -# "gc.log". This was done to make the result runnable under win32s and -# should be fixed. - $(link) $(ldebug) $(guiflags) -stack:131072 -out:$*.exe tests\test.obj $(guilibs) gc64_dll.lib - -cord\de_win.rbj: cord\de_win.res - cvtres /MACHINE:$(MY_CPU) /OUT:cord\de_win.rbj cord\de_win.res - -cord\de.obj cord\de_win.obj: include\cord.h include\private\cord_pos.h cord\de_win.h cord\de_cmds.h - -cord\de_win.res: cord\de_win.rc cord\de_win.h cord\de_cmds.h - $(rc) $(rcvars) -r -fo cord\de_win.res cord\de_win.rc - -# Cord/de is a real win32 gui application. -cord\de.exe: cord\cordbscs.obj cord\cordxtra.obj cord\de.obj cord\de_win.obj cord\de_win.rbj gc64_dll.lib - $(link) $(ldebug) $(guiflags) -stack:16384 -out:cord\de.exe cord\cordbscs.obj cord\cordxtra.obj cord\de.obj cord\de_win.obj cord\de_win.rbj gc64_dll.lib $(guilibs) - -gc_cpp.obj: include\gc_cpp.h include\gc.h - -gc_cpp.cpp: gc_cpp.cc - copy gc_cpp.cc gc_cpp.cpp - -test_cpp.cpp: tests\test_cpp.cc - copy tests\test_cpp.cc test_cpp.cpp - -# This generates the C++ test executable. The executable expects # a single numeric argument, which is the number of iterations. -# The output appears in the file "gc.log". -test_cpp.exe: test_cpp.obj include\gc_cpp.h include\gc.h gc64_dll.lib - $(link) $(ldebug) $(guiflags) -stack:16384 -out:test_cpp.exe test_cpp.obj gc64_dll.lib $(guilibs) - -AO_SCR_DIR: - tar xvfz $(AO_SRC_DIR).tar.gz; - -clean: - del *.obj gc64_dll.lib gc64_dll.dll diff --git a/vendor/gc/OS2_MAKEFILE b/vendor/gc/OS2_MAKEFILE deleted file mode 100644 index c6bad7a..0000000 --- a/vendor/gc/OS2_MAKEFILE +++ /dev/null @@ -1,45 +0,0 @@ -# Makefile for OS/2. Assumes IBM's compiler, static linking, and a single thread. -# Adding dynamic linking support seems easy, but takes a little bit of work. -# Adding thread support may be nontrivial, since we haven't yet figured out how to -# look at another thread's registers. - -# Significantly revised for GC version 4.4 by Mark Boulter (Jan 1994). - -OBJS= alloc.obj reclaim.obj allchblk.obj misc.obj mach_dep.obj os_dep.obj mark_rts.obj headers.obj mark.obj obj_map.obj blacklst.obj finalize.obj new_hblk.obj dbg_mlc.obj malloc.obj stubborn.obj typd_mlc.obj ptr_chck.obj mallocx.obj - -CORDOBJS= cord\cordbscs.obj cord\cordxtra.obj cord\cordprnt.obj - -CC= icc -CFLAGS= /O /Q /DSMALL_CONFIG /DALL_INTERIOR_POINTERS -# Use /Ti instead of /O for debugging -# Setjmp_test may yield overly optimistic results when compiled -# without optimization. - -all: $(OBJS) gctest.exe cord\cordtest.exe - -$(OBJS) test.obj: include\private\gc_priv.h include\private\gc_hdrs.h include\gc.h include\private\gcconfig.h - -## ERASE THE LIB FIRST - if it is already there then this command will fail -## (make sure its there or erase will fail!) -gc.lib: $(OBJS) - echo . > gc.lib - erase gc.lib - LIB gc.lib $(OBJS), gc.lst - -mach_dep.obj: mach_dep.c - $(CC) $(CFLAGS) /C mach_dep.c - -gctest.exe: test.obj gc.lib - $(CC) $(CFLAGS) /B"/STACK:524288" /Fegctest test.obj gc.lib - -cord\cordbscs.obj: cord\cordbscs.c include\cord.h include\private\cord_pos.h - $(CC) $(CFLAGS) /C /Focord\cordbscs cord\cordbscs.c - -cord\cordxtra.obj: cord\cordxtra.c include\cord.h include\private\cord_pos.h include\ec.h - $(CC) $(CFLAGS) /C /Focord\cordxtra cord\cordxtra.c - -cord\cordprnt.obj: cord\cordprnt.c include\cord.h include\private\cord_pos.h include\ec.h - $(CC) $(CFLAGS) /C /Focord\cordprnt cord\cordprnt.c - -cord\cordtest.exe: cord\cordtest.c include\cord.h include\private\cord_pos.h include\ec.h $(CORDOBJS) gc.lib - $(CC) $(CFLAGS) /B"/STACK:65536" /Fecord\cordtest cord\cordtest.c gc.lib $(CORDOBJS) diff --git a/vendor/gc/PCR-Makefile b/vendor/gc/PCR-Makefile deleted file mode 100644 index db4c9f0..0000000 --- a/vendor/gc/PCR-Makefile +++ /dev/null @@ -1,68 +0,0 @@ -# -# Default target -# - -default: gc.o - -include ../config/common.mk - -# -# compilation flags, etc. -# - - -CPPFLAGS = $(INCLUDE) $(CONFIG_CPPFLAGS) \ - -DPCR_NO_RENAME -DPCR_NO_HOSTDEP_ERR -#CFLAGS = -DPCR $(CONFIG_CFLAGS) -CFLAGS = -DPCR $(CONFIG_CFLAGS) -SPECIALCFLAGS = # For code involving asm's - -ASPPFLAGS = $(INCLUDE) $(CONFIG_ASPPFLAGS) \ - -DPCR_NO_RENAME -DPCR_NO_HOSTDEP_ERR -DASM - -ASFLAGS = $(CONFIG_ASFLAGS) - -LDRFLAGS = $(CONFIG_LDRFLAGS) - -LDFLAGS = $(CONFIG_LDFLAGS) - -# -# -# -# -# BEGIN PACKAGE-SPECIFIC PART -# -# -# -# - -# Fix to point to local pcr installation directory. -PCRDIR= .. - -COBJ= alloc.o reclaim.o allchblk.o misc.o os_dep.o mark_rts.o headers.o mark.o obj_map.o pcr_interface.o blacklst.o finalize.o new_hblk.o real_malloc.o dyn_load.o dbg_mlc.o malloc.o stubborn.o checksums.o solaris_threads.o typd_mlc.o ptr_chck.o mallocx.o - -CSRC= reclaim.c allchblk.c misc.c alloc.c mach_dep.c os_dep.c mark_rts.c headers.c mark.c obj_map.c pcr_interface.c blacklst.c finalize.c new_hblk.c real_malloc.c dyn_load.c dbg_mlc.c malloc.c stubborn.c checksums.c solaris_threads.c typd_mlc.c ptr_chck.c mallocx.c - -SHELL= /bin/sh - -default: gc.o - -gc.o: $(COBJ) mach_dep.o - $(LDR) $(CONFIG_LDRFLAGS) -o gc.o $(COBJ) mach_dep.o - - -mach_dep.o: mach_dep.c mips_mach_dep.s rs6000_mach_dep.s if_mach if_not_there - rm -f mach_dep.o - ./if_mach MIPS "" as -o mach_dep.o mips_mach_dep.s - ./if_mach POWERPC AIX as -o mach_dep.o rs6000_mach_dep.s - ./if_mach ALPHA "" as -o mach_dep.o alpha_mach_dep.s - ./if_mach SPARC SOLARIS as -o mach_dep.o sparc_mach_dep.s - ./if_not_there mach_dep.o $(CC) -c $(SPECIALCFLAGS) mach_dep.c - -if_mach: if_mach.c gcconfig.h - $(CC) $(CFLAGS) -o if_mach if_mach.c - -if_not_there: if_not_there.c - $(CC) $(CFLAGS) -o if_not_there if_not_there.c - - diff --git a/vendor/gc/README.QUICK b/vendor/gc/README.QUICK deleted file mode 100644 index 5ffa505..0000000 --- a/vendor/gc/README.QUICK +++ /dev/null @@ -1,88 +0,0 @@ -Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers -Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. -Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. -Copyright (c) 1999-2001 by Hewlett-Packard. All rights reserved. - -THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - -Permission is hereby granted to use or copy this program -for any purpose, provided the above notices are retained on all copies. -Permission to modify the code and to distribute modified code is granted, -provided the above notices are retained, and a notice that the code was -modified is included with the above copyright notice. - -A few files have other copyright holders. A few of the files needed -to use the GNU-style build procedure come with a modified GPL license -that appears not to significantly restrict use of the collector, though -use of those files for a purpose other than building the collector may -require the resulting code to be covered by the GPL. - -For more details and the names of other contributors, see the -doc/README* files and include/gc.h. This file describes typical use of -the collector on a machine that is already supported. - -For the version number, see doc/README or version.h. - -INSTALLATION: -Under UN*X, Linux: -Alternative 1 (the old way): type "make test" in this directory. - Link against gc.a. With the most recent GC distributions - you may have to copy Makefile.direct to Makefile first. - -Alternative 2 (the new way): type - "./configure --prefix=; make; make check; make install". - Link against /lib/libgc.a or /lib/libgc.so. - See README.autoconf for details - -Under Windows 95, 98, Me, NT, or 2000: -copy the appropriate makefile to MAKEFILE, read it, and type "nmake test". -(Under Windows, this assumes you have Microsoft command-line tools -installed, and suitably configured.) -Read the machine specific README in the doc directory if one exists. - -If you need thread support, you will need to follow the special -platform-dependent instructions (win32), or define GC_THREADS -as described in Makefile (Makefile.direct), or possibly use ---enable-threads=posix when running the configure script. - -If you wish to use the cord (structured string) library with the stand-alone -Makefile.direct, type "make cords", after copying to "Makefile". -(This requires an ANSI C compiler. You may -need to redefine CC in the Makefile. The CORD_printf implementation in -cordprnt.c is known to be less than perfectly portable. The rest of the -package should still work.) - -If you wish to use the collector from C++, type "make c++", or use ---enable-cplusplus with the configure script. With Makefile.direct, -hese add further files to gc.a and to the include subdirectory. With the -alternat build process,this generates libgccpp. -See cord/cord.h and include/gc_cpp.h. - -TYPICAL USE: -Include "gc.h" from the include subdirectory. Link against the -appropriate library ("gc.a" under UN*X). Replace calls to malloc -by calls to GC_MALLOC, and calls to realloc by calls to GC_REALLOC. -If the object is known to never contain pointers, use GC_MALLOC_ATOMIC -instead of GC_MALLOC. - -Define GC_DEBUG before including gc.h for additional checking. - -More documentation on the collector interface can be found at -http://www.hpl.hp.com/personal/Hans_Boehm/gc/gcinterface.html, -in doc/README and other files in the doc directory, and in include/gc.h . - -WARNINGS: - -Do not store the only pointer to an object in memory allocated -with system malloc, since the collector usually does not scan -memory allocated in this way. - -Use with threads may be supported on your system, but requires the -collector to be built with thread support. See Makefile. The collector -does not guarantee to scan thread-local storage (e.g. of the kind -accessed with pthread_getspecific()). The collector does scan -thread stacks though, so generally the best solution is to ensure that -any pointers stored in thread-local storage are also stored on the -thread's stack for the duration of their lifetime. - diff --git a/vendor/gc/SMakefile.amiga b/vendor/gc/SMakefile.amiga deleted file mode 100644 index 94fb723..0000000 --- a/vendor/gc/SMakefile.amiga +++ /dev/null @@ -1,177 +0,0 @@ - -# Rewritten smakefile for amiga / sas/c. -Kjetil M. -# Dont use the cord-package if you define parm=both or parm=reg. - - -#----------------TOOLS-------------------------------- -CC=sc -LINKER=slink -LIBER=oml - -#----------------CPU OPTIONS-------------------------- - -CPU=68060 - -#----------------FPU OPTIONS-------------------------- - -MATH=8 -MATHLIB=LIB:scm881.lib - -#----------------COMPILER OPTIONS--------------------- - -IGNORE= IGNORE=85 IGNORE=154 IGNORE=161 IGNORE=100 - -OPTIMIZE=optimize optimizetime optglobal optimizerdepth=100 optimizerpeephole optloop OPTSCHED optimizerinlocal optimizerrecurdepth=100 -# optimizerinline optimizercomplexity=100 - -OPT= $(OPTIMIZE) CPU=$(CPU) math=$(MATH) NOSTACKCHECK VERBOSE \ -MAPHUNK NOVERSION NOICONS nodebug \ -parm=reg \ -DEFINE __USE_SYSBASE - - -SOPT= $(OPT) $(IGNORE) \ -DEFINE AMIGA_SKIP_SEG \ -DEFINE ATOMIC_UNCOLLECTABLE \ -DEFINE GC_AMIGA_FASTALLOC \ -DEFINE GC_AMIGA_RETRY \ -DEFINE GC_AMIGA_PRINTSTATS \ -DEFINE GC_AMIGA_GC - - -#DEFINE ALL_INTERIOR_POINTERS \ - - -SCOPT= $(SOPT) define GC_AMIGA_MAKINGLIB - -CSCOPT= $(OPT) DEFINE AMIGA IGNORE=100 IGNORE=161 - -#------------------LINKING---------------------------- - - -all: gctest setjmp_t cord/cordtest - -clean: - delete *.lib gctest setjmp_t *.o *.lnk cord/*.o cord/*.lib cord/*.lnk cord/cordtest - smake - -test: setjmp_t gctest cord/cordtest - setjmp_t - gctest - cord/cordtest - -gctest: gc$(CPU).lib GCAmigaOS$(CPU).lib test.o - $(LINKER) LIB:c.o test.o TO gctest LIB gc$(CPU).lib LIB:sc.lib $(MATHLIB) - -setjmp_t: setjmp_t.o gc.h - $(LINKER) LIB:c.o setjmp_t.o to setjmp_t lib LIB:sc.lib - -cord/cordtest: cord/cordtest.o cord/cord$(CPU).lib gc$(CPU).lib - slink LIB:c.o cord/cordtest.o LIB $(MATHLIB) gc$(CPU).lib cord/cord$(CPU).lib LIB:sc.lib TO cord/cordtest - - -#------------------LIBBING---------------------------- - -OBJS= alloc.o reclaim.o allchblk.o misc.o mach_dep.o os_dep.o mark_rts.o headers.o mark.o obj_map.o blacklst.o finalize.o new_hblk.o real_malloc.o dyn_load.o dbg_mlc.o malloc.o stubborn.o checksums.o typd_mlc.o ptr_chck.o mallocx.o - -gc$(CPU).lib: $(OBJS) - $(LIBER) gc$(CPU).lib r $(OBJS) - - -COBJS = cord/cordbscs.o cord/cordprnt.o cord/cordxtra.o - -cord/cord$(CPU).lib: $(COBJS) - oml cord/cord$(CPU).lib r $(COBJS) - -#------------------COMPILING-------------------------- - -INC= gc_private.h gc_hdrs.h gc.h gcconfig.h - -alloc.o : alloc.c $(INC) - $(CC) alloc.c $(SCOPT) ignore=7 - -reclaim.o : reclaim.c $(INC) - $(CC) reclaim.c $(SCOPT) - -allchblk.o : allchblk.c $(INC) - $(CC) allchblk.c $(SCOPT) - -misc.o : misc.c $(INC) - $(CC) misc.c $(SCOPT) - -os_dep.o : os_dep.c $(INC) AmigaOS.c - $(CC) os_dep.c $(SCOPT) - -mark_rts.o : mark_rts.c $(INC) - $(CC) mark_rts.c $(SCOPT) - -headers.o : headers.c $(INC) - $(CC) headers.c $(SCOPT) - -mark.o : mark.c $(INC) - $(CC) mark.c $(SCOPT) - -obj_map.o : obj_map.c $(INC) - $(CC) obj_map.c $(SCOPT) - -blacklst.o : blacklst.c $(INC) - $(CC) blacklst.c $(SCOPT) - -finalize.o : finalize.c $(INC) - $(CC) finalize.c $(SCOPT) noopt #Could sas/c still have problems with this one? Gctest sometimes fails to finalize all. - -new_hblk.o : new_hblk.c $(INC) - $(CC) new_hblk.c $(SCOPT) - -real_malloc.o : real_malloc.c $(INC) - $(CC) real_malloc.c $(SCOPT) - -dyn_load.o : dyn_load.c $(INC) - $(CC) dyn_load.c $(SCOPT) - -dbg_mlc.o : dbg_mlc.c $(INC) - $(CC) dbg_mlc.c $(SCOPT) - -malloc.o : malloc.c $(INC) - $(CC) malloc.c $(SCOPT) - -mallocx.o : mallocx.c $(INC) - $(CC) mallocx.c $(SCOPT) - -stubborn.o : stubborn.c $(INC) - $(CC) stubborn.c $(SCOPT) - -checksums.o : checksums.c $(INC) - $(CC) checksums.c $(SCOPT) - -typd_mlc.o: typd_mlc.c $(INC) - $(CC) typd_mlc.c $(SCOPT) - -mach_dep.o : mach_dep.c $(INC) - $(CC) mach_dep.c $(SCOPT) - -ptr_chck.o: ptr_chck.c $(INC) - $(CC) ptr_chck.c $(SCOPT) - -test.o : test.c $(INC) - $(CC) test.c $(SOPT) - -setjmp_t: setjmp_t.c gc.h - $(CC) setjmp_t.c $(SOPT) - - -# cords: - -cord/cordbscs.o: cord/cordbscs.c - sc cord/cordbscs.c $(CSCOPT) - -cord/cordprnt.o: cord/cordprnt.c - sc cord/cordprnt.c $(CSCOPT) - -cord/cordxtra.o: cord/cordxtra.c - sc cord/cordxtra.c $(CSCOPT) - -cord/cordtest.o: cord/cordtest.c - sc cord/cordtest.c $(CSCOPT) - - diff --git a/vendor/gc/WCC_MAKEFILE b/vendor/gc/WCC_MAKEFILE deleted file mode 100644 index 6b1d78b..0000000 --- a/vendor/gc/WCC_MAKEFILE +++ /dev/null @@ -1,196 +0,0 @@ -# Makefile for Watcom C/C++ 10.5, 10.6, 11.0 on NT, OS2 and DOS4GW. -# May work with Watcom 10.0. - -# Uncoment one of the lines below for cross compilation. -SYSTEM=MSWIN32 -#SYSTEM=DOS4GW -#SYSTEM=OS2 - -# The collector can be built either as dynamic or as static library. -# Select the library type you need. -#MAKE_AS_DLL=1 -MAKE_AS_LIB=1 - -# Select calling conventions. -# Possible choices are r and s. -CALLING=s - -# Select target CPU. -# Possible choices are 3, 4, 5, and 6. -# The last choice available only since version 11.0. -CPU=5 - -# Set optimization options. -# Watcom before 11.0 does not support option "-oh". -OPTIM=-oneatx -s -#OPTIM=-ohneatx -s - -DEFS=-DALL_INTERIOR_POINTERS #-DSMALL_CONFIG #-DGC_DEBUG - - -##### - -!ifndef SYSTEM -!ifdef __MSDOS__ -SYSTEM=DOS4GW -!else ifdef __NT__ -SYSTEM=MSWIN32 -!else ifdef __OS2__ -SYSTEM=OS2 -!else -SYSTEM=Unknown -!endif -!endif - -!define $(SYSTEM) - -!ifdef DOS4GW -SYSFLAG=-DDOS4GW -bt=dos -!else ifdef MSWIN32 -SYSFLAG=-DMSWIN32 -bt=nt -!else ifdef OS2 -SYSFLAG=-DOS2 -bt=os2 -!else -!error undefined or unsupported target platform: $(SYSTEM) -!endif -!ifdef MAKE_AS_DLL -DLLFLAG=-bd -DGC_DLL -TEST_DLLFLAG=-DGC_DLL -!else ifdef MAKE_AS_LIB -DLLFLAG= -TEST_DLLFLAG= -!else -!error Either MAKE_AS_LIB or MAKE_AS_DLL should be defined -!endif - -CC=wcc386 -CXX=wpp386 - -# -DUSE_GENERIC is required ! -CFLAGS=-$(CPU)$(CALLING) $(OPTIM) -zp4 -zc $(SYSFLAG) $(DLLFLAG) -DGC_BUILD -DUSE_GENERIC $(DEFS) -CXXFLAGS= $(CFLAGS) -TEST_CFLAGS=-$(CPU)$(CALLING) $(OPTIM) -zp4 -zc $(SYSFLAG) $(TEST_DLLFLAG) $(DEFS) -TEST_CXXFLAGS= $(TEST_CFLAGS) - -OBJS= alloc.obj reclaim.obj allchblk.obj misc.obj & - mach_dep.obj os_dep.obj mark_rts.obj headers.obj mark.obj & - obj_map.obj blacklst.obj finalize.obj new_hblk.obj & - dbg_mlc.obj malloc.obj stubborn.obj dyn_load.obj & - typd_mlc.obj ptr_chck.obj mallocx.obj - -all: gc.lib gctest.exe test_cpp.exe - -!ifdef MAKE_AS_DLL - -gc.lib: gc.dll gc_cpp.obj - *wlib -b -c -n -p=512 $@ +gc.dll +gc_cpp.obj - -gc.dll: $(OBJS) .AUTODEPEND - @%create $*.lnk -!ifdef DOS4GW - @%append $*.lnk sys os2v2_dll -!else ifdef MSWIN32 - @%append $*.lnk sys nt_dll -!else ifdef OS2 - @%append $*.lnk sys os2v2_dll -!endif - @%append $*.lnk name $* - @for %i in ($(OBJS)) do @%append $*.lnk file '%i' -!ifeq CALLING s - @%append $*.lnk export GC_is_marked - @%append $*.lnk export GC_incr_bytes_allocd - @%append $*.lnk export GC_incr_bytes_freed - @%append $*.lnk export GC_generic_malloc_words_small -!else - @%append $*.lnk export GC_is_marked_ - @%append $*.lnk export GC_incr_bytes_allocd_ - @%append $*.lnk export GC_incr_bytes_freed_ - @%append $*.lnk export GC_generic_malloc_words_small_ -!endif - *wlink @$*.lnk -!else -gc.lib: $(OBJS) gc_cpp.obj - @%create $*.lb1 - @for %i in ($(OBJS)) do @%append $*.lb1 +'%i' - @%append $*.lb1 +'gc_cpp.obj' - *wlib -b -c -n -p=512 $@ @$*.lb1 - -!endif - - -gctest.exe: test.obj gc.lib - %create $*.lnk -!ifdef DOS4GW - @%append $*.lnk sys dos4g -!else ifdef MSWIN32 - @%append $*.lnk sys nt -!else ifdef OS2 - @%append $*.lnk sys os2v2 -!endif - @%append $*.lnk op case - @%append $*.lnk op stack=256K - @%append $*.lnk name $* - @%append $*.lnk file test.obj - @%append $*.lnk library gc.lib -!ifdef MAKE_AS_DLL -!ifeq CALLING s - @%append $*.lnk import GC_is_marked gc -!else - @%append $*.lnk import GC_is_marked_ gc -!endif -!endif - *wlink @$*.lnk -test_cpp.exe: test_cpp.obj gc.lib - %create $*.lnk -!ifdef DOS4GW - @%append $*.lnk sys dos4g -!else ifdef MSWIN32 - @%append $*.lnk sys nt -!else ifdef OS2 - @%append $*.lnk sys os2v2 -!endif - @%append $*.lnk op case - @%append $*.lnk op stack=256K - @%append $*.lnk name $* - @%append $*.lnk file test_cpp.obj - @%append $*.lnk library gc.lib -!ifdef MAKE_AS_DLL -!ifeq CALLING s - @%append $*.lnk import GC_incr_bytes_allocd gc - @%append $*.lnk import GC_incr_bytes_freed gc - @%append $*.lnk import GC_generic_malloc_words_small gc -!else - @%append $*.lnk import GC_incr_bytes_allocd_ gc - @%append $*.lnk import GC_incr_bytes_freed_ gc - @%append $*.lnk import GC_generic_malloc_words_small_ gc -!endif -!endif - *wlink @$*.lnk - -gc_cpp.obj: gc_cpp.cc .AUTODEPEND - $(CXX) $(TEST_CXXFLAGS) -iinclude $*.cc -test.obj: tests\test.c .AUTODEPEND - $(CC) $(TEST_CFLAGS) $*.c -test_cpp.obj: tests\test_cpp.cc .AUTODEPEND - $(CXX) $(TEST_CXXFLAGS) -iinclude $*.cc - - -.c.obj: .AUTODEPEND - $(CC) $(CFLAGS) $*.c - -.cc.obj: .AUTODEPEND - $(CXX) $(CXXFLAGS) $*.cc - -clean : .SYMBOLIC - @if exist *.obj del *.obj - @if exist *.map del *.map - @if exist *.lnk del *.lnk - @if exist *.lb1 del *.lb1 - @if exist *.sym del *.sym - @if exist *.err del *.err - @if exist *.tmp del *.tmp - @if exist *.lst del *.lst - @if exist *.exe del *.exe - @if exist *.log del *.log - @if exist *.lib del *.lib - @if exist *.dll del *.dll diff --git a/vendor/gc/acinclude.m4 b/vendor/gc/acinclude.m4 deleted file mode 100644 index 72602a0..0000000 --- a/vendor/gc/acinclude.m4 +++ /dev/null @@ -1,49 +0,0 @@ -# -# -# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. -# -# Permission is hereby granted to use or copy this program -# for any purpose, provided the above notices are retained on all copies. -# Permission to modify the code and to distribute modified code is granted, -# provided the above notices are retained, and a notice that the code was -# modified is included with the above copyright notice. -# -# Modified by: Grzegorz Jakacki - -# GC_SET_VERSION -# sets and AC_DEFINEs GC_VERSION_MAJOR, GC_VERSION_MINOR and GC_ALPHA_VERSION -# based on the contents of PACKAGE_VERSION; PACKAGE_VERSION must conform to -# [0-9]+[.][0-9]+(alpha[0.9]+)? -# in lex syntax; if there is no alpha number, GC_ALPHA_VERSION is empty -# -AC_DEFUN(GC_SET_VERSION, [ - AC_MSG_CHECKING(GC version numbers) - GC_VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\([[0-9]][[0-9]]*\)[[.]].*$/\1/g'` - GC_VERSION_MINOR=`echo $PACKAGE_VERSION | sed 's/^[[^.]]*[[.]]\([[0-9]][[0-9]]*\).*$/\1/g'` - GC_ALPHA_VERSION=`echo $PACKAGE_VERSION | sed 's/^[[^.]]*[[.]][[0-9]]*//'` - - case "$GC_ALPHA_VERSION" in - alpha*) - GC_ALPHA_VERSION=`echo $GC_ALPHA_VERSION \ - | sed 's/alpha\([[0-9]][[0-9]]*\)/\1/'` ;; - *) GC_ALPHA_MAJOR='' ;; - esac - - if test :$GC_VERSION_MAJOR: = :: \ - -o :$GC_VERSION_MINOR: = :: ; - then - AC_MSG_RESULT(invalid) - AC_MSG_ERROR([nonconforming PACKAGE_VERSION='$PACKAGE_VERSION']) - fi - - AC_DEFINE_UNQUOTED(GC_VERSION_MAJOR, $GC_VERSION_MAJOR) - AC_DEFINE_UNQUOTED(GC_VERSION_MINOR, $GC_VERSION_MINOR) - if test :$GC_ALPHA_VERSION: != :: ; then - AC_DEFINE_UNQUOTED(GC_ALPHA_VERSION, $GC_ALPHA_VERSION) - fi - AC_MSG_RESULT(major=$GC_VERSION_MAJOR minor=$GC_VERSION_MINOR \ -${GC_ALPHA_VERSION:+alpha=}$GC_ALPHA_VERSION) -]) - -sinclude(libtool.m4) diff --git a/vendor/gc/aclocal.m4 b/vendor/gc/aclocal.m4 deleted file mode 100644 index 8d195b5..0000000 --- a/vendor/gc/aclocal.m4 +++ /dev/null @@ -1,929 +0,0 @@ -# generated automatically by aclocal 1.9.6 -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -# 2005 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -# Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. -# -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# AM_AUTOMAKE_VERSION(VERSION) -# ---------------------------- -# Automake X.Y traces this macro to ensure aclocal.m4 has been -# generated from the m4 files accompanying Automake X.Y. -AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version="1.9"]) - -# AM_SET_CURRENT_AUTOMAKE_VERSION -# ------------------------------- -# Call AM_AUTOMAKE_VERSION so it can be traced. -# This function is AC_REQUIREd by AC_INIT_AUTOMAKE. -AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], - [AM_AUTOMAKE_VERSION([1.9.6])]) - -# Figure out how to run the assembler. -*- Autoconf -*- - -# Copyright (C) 2001, 2003, 2004, 2005 Free Software Foundation, Inc. -# -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# serial 4 - -# AM_PROG_AS -# ---------- -AC_DEFUN([AM_PROG_AS], -[# By default we simply use the C compiler to build assembly code. -AC_REQUIRE([AC_PROG_CC]) -test "${CCAS+set}" = set || CCAS=$CC -test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS -AC_ARG_VAR([CCAS], [assembler compiler command (defaults to CC)]) -AC_ARG_VAR([CCASFLAGS], [assembler compiler flags (defaults to CFLAGS)]) -]) - -# AM_AUX_DIR_EXPAND -*- Autoconf -*- - -# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc. -# -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets -# $ac_aux_dir to `$srcdir/foo'. 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Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1998-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* #define DEBUG */ -#include -#include "private/gc_priv.h" - -GC_bool GC_use_entire_heap = 0; - -/* - * Free heap blocks are kept on one of several free lists, - * depending on the size of the block. Each free list is doubly linked. - * Adjacent free blocks are coalesced. - */ - - -# define MAX_BLACK_LIST_ALLOC (2*HBLKSIZE) - /* largest block we will allocate starting on a black */ - /* listed block. Must be >= HBLKSIZE. */ - - -# define UNIQUE_THRESHOLD 32 - /* Sizes up to this many HBLKs each have their own free list */ -# define HUGE_THRESHOLD 256 - /* Sizes of at least this many heap blocks are mapped to a */ - /* single free list. */ -# define FL_COMPRESSION 8 - /* In between sizes map this many distinct sizes to a single */ - /* bin. */ - -# define N_HBLK_FLS (HUGE_THRESHOLD - UNIQUE_THRESHOLD)/FL_COMPRESSION \ - + UNIQUE_THRESHOLD - -struct hblk * GC_hblkfreelist[N_HBLK_FLS+1] = { 0 }; - -#ifndef USE_MUNMAP - - word GC_free_bytes[N_HBLK_FLS+1] = { 0 }; - /* Number of free bytes on each list. */ - - /* Return the largest n such that */ - /* Is GC_large_allocd_bytes + the number of free bytes on lists */ - /* n .. N_HBLK_FLS > GC_max_large_allocd_bytes. */ - /* If there is no such n, return 0. */ -# ifdef __GNUC__ - __inline__ -# endif - static int GC_enough_large_bytes_left(void) - { - int n; - word bytes = GC_large_allocd_bytes; - - GC_ASSERT(GC_max_large_allocd_bytes <= GC_heapsize); - for (n = N_HBLK_FLS; n >= 0; --n) { - bytes += GC_free_bytes[n]; - if (bytes >= GC_max_large_allocd_bytes) return n; - } - return 0; - } - -# define INCR_FREE_BYTES(n, b) GC_free_bytes[n] += (b); - -# define FREE_ASSERT(e) GC_ASSERT(e) - -#else /* USE_MUNMAP */ - -# define INCR_FREE_BYTES(n, b) -# define FREE_ASSERT(e) - -#endif /* USE_MUNMAP */ - -/* Map a number of blocks to the appropriate large block free list index. */ -int GC_hblk_fl_from_blocks(word blocks_needed) -{ - if (blocks_needed <= UNIQUE_THRESHOLD) return (int)blocks_needed; - if (blocks_needed >= HUGE_THRESHOLD) return N_HBLK_FLS; - return (int)(blocks_needed - UNIQUE_THRESHOLD)/FL_COMPRESSION - + UNIQUE_THRESHOLD; - -} - -# define PHDR(hhdr) HDR(hhdr -> hb_prev) -# define NHDR(hhdr) HDR(hhdr -> hb_next) - -# ifdef USE_MUNMAP -# define IS_MAPPED(hhdr) (((hhdr) -> hb_flags & WAS_UNMAPPED) == 0) -# else /* !USE_MMAP */ -# define IS_MAPPED(hhdr) 1 -# endif /* USE_MUNMAP */ - -# if !defined(NO_DEBUGGING) -void GC_print_hblkfreelist() -{ - struct hblk * h; - word total_free = 0; - hdr * hhdr; - word sz; - unsigned i; - - for (i = 0; i <= N_HBLK_FLS; ++i) { - h = GC_hblkfreelist[i]; -# ifdef USE_MUNMAP - if (0 != h) GC_printf("Free list %ld:\n", - (unsigned long)i); -# else - if (0 != h) GC_printf("Free list %lu (Total size %lu):\n", - i, (unsigned long)GC_free_bytes[i]); -# endif - while (h != 0) { - hhdr = HDR(h); - sz = hhdr -> hb_sz; - GC_printf("\t%p size %lu ", h, (unsigned long)sz); - total_free += sz; - if (GC_is_black_listed(h, HBLKSIZE) != 0) { - GC_printf("start black listed\n"); - } else if (GC_is_black_listed(h, hhdr -> hb_sz) != 0) { - GC_printf("partially black listed\n"); - } else { - GC_printf("not black listed\n"); - } - h = hhdr -> hb_next; - } - } -# ifndef USE_MUNMAP - if (total_free != GC_large_free_bytes) { - GC_printf("GC_large_free_bytes = %lu (INCONSISTENT!!)\n", - (unsigned long) GC_large_free_bytes); - } -# endif - GC_printf("Total of %lu bytes on free list\n", (unsigned long)total_free); -} - -/* Return the free list index on which the block described by the header */ -/* appears, or -1 if it appears nowhere. */ -int free_list_index_of(hdr *wanted) -{ - struct hblk * h; - hdr * hhdr; - int i; - - for (i = 0; i <= N_HBLK_FLS; ++i) { - h = GC_hblkfreelist[i]; - while (h != 0) { - hhdr = HDR(h); - if (hhdr == wanted) return i; - h = hhdr -> hb_next; - } - } - return -1; -} - -void GC_dump_regions() -{ - unsigned i; - ptr_t start, end; - ptr_t p; - size_t bytes; - hdr *hhdr; - for (i = 0; i < GC_n_heap_sects; ++i) { - start = GC_heap_sects[i].hs_start; - bytes = GC_heap_sects[i].hs_bytes; - end = start + bytes; - /* Merge in contiguous sections. */ - while (i+1 < GC_n_heap_sects && GC_heap_sects[i+1].hs_start == end) { - ++i; - end = GC_heap_sects[i].hs_start + GC_heap_sects[i].hs_bytes; - } - GC_printf("***Section from %p to %p\n", start, end); - for (p = start; p < end;) { - hhdr = HDR(p); - GC_printf("\t%p ", p); - if (IS_FORWARDING_ADDR_OR_NIL(hhdr)) { - GC_printf("Missing header!!(%d)\n", hhdr); - p += HBLKSIZE; - continue; - } - if (HBLK_IS_FREE(hhdr)) { - int correct_index = GC_hblk_fl_from_blocks( - divHBLKSZ(hhdr -> hb_sz)); - int actual_index; - - GC_printf("\tfree block of size 0x%lx bytes", - (unsigned long)(hhdr -> hb_sz)); - if (IS_MAPPED(hhdr)) { - GC_printf("\n"); - } else { - GC_printf("(unmapped)\n"); - } - actual_index = free_list_index_of(hhdr); - if (-1 == actual_index) { - GC_printf("\t\tBlock not on free list %d!!\n", - correct_index); - } else if (correct_index != actual_index) { - GC_printf("\t\tBlock on list %d, should be on %d!!\n", - actual_index, correct_index); - } - p += hhdr -> hb_sz; - } else { - GC_printf("\tused for blocks of size 0x%lx bytes\n", - (unsigned long)(hhdr -> hb_sz)); - p += HBLKSIZE * OBJ_SZ_TO_BLOCKS(hhdr -> hb_sz); - } - } - } -} - -# endif /* NO_DEBUGGING */ - -/* Initialize hdr for a block containing the indicated size and */ -/* kind of objects. */ -/* Return FALSE on failure. */ -static GC_bool setup_header(hdr * hhdr, struct hblk *block, size_t byte_sz, - int kind, unsigned flags) -{ - word descr; - size_t granules; - - /* Set size, kind and mark proc fields */ - hhdr -> hb_sz = byte_sz; - hhdr -> hb_obj_kind = (unsigned char)kind; - hhdr -> hb_flags = (unsigned char)flags; - hhdr -> hb_block = block; - descr = GC_obj_kinds[kind].ok_descriptor; - if (GC_obj_kinds[kind].ok_relocate_descr) descr += byte_sz; - hhdr -> hb_descr = descr; - -# ifdef MARK_BIT_PER_OBJ - /* Set hb_inv_sz as portably as possible. */ - /* We set it to the smallest value such that sz * inv_sz > 2**32 */ - /* This may be more precision than necessary. */ - if (byte_sz > MAXOBJBYTES) { - hhdr -> hb_inv_sz = LARGE_INV_SZ; - } else { - word inv_sz; - -# if CPP_WORDSZ == 64 - inv_sz = ((word)1 << 32)/byte_sz; - if (((inv_sz*byte_sz) >> 32) == 0) ++inv_sz; -# else /* 32 bit words */ - GC_ASSERT(byte_sz >= 4); - inv_sz = ((unsigned)1 << 31)/byte_sz; - inv_sz *= 2; - while (inv_sz*byte_sz > byte_sz) ++inv_sz; -# endif - hhdr -> hb_inv_sz = inv_sz; - } -# else /* MARK_BIT_PER_GRANULE */ - hhdr -> hb_large_block = (unsigned char)(byte_sz > MAXOBJBYTES); - granules = BYTES_TO_GRANULES(byte_sz); - if (EXPECT(!GC_add_map_entry(granules), FALSE)) { - /* Make it look like a valid block. */ - hhdr -> hb_sz = HBLKSIZE; - hhdr -> hb_descr = 0; - hhdr -> hb_large_block = TRUE; - hhdr -> hb_map = 0; - return FALSE; - } else { - size_t index = (hhdr -> hb_large_block? 0 : granules); - hhdr -> hb_map = GC_obj_map[index]; - } -# endif /* MARK_BIT_PER_GRANULE */ - - /* Clear mark bits */ - GC_clear_hdr_marks(hhdr); - - hhdr -> hb_last_reclaimed = (unsigned short)GC_gc_no; - return(TRUE); -} - -#define FL_UNKNOWN -1 -/* - * Remove hhdr from the appropriate free list. - * We assume it is on the nth free list, or on the size - * appropriate free list if n is FL_UNKNOWN. - */ -void GC_remove_from_fl(hdr *hhdr, int n) -{ - int index; - - GC_ASSERT(((hhdr -> hb_sz) & (HBLKSIZE-1)) == 0); -# ifndef USE_MUNMAP - /* We always need index to mainatin free counts. */ - if (FL_UNKNOWN == n) { - index = GC_hblk_fl_from_blocks(divHBLKSZ(hhdr -> hb_sz)); - } else { - index = n; - } -# endif - if (hhdr -> hb_prev == 0) { -# ifdef USE_MUNMAP - if (FL_UNKNOWN == n) { - index = GC_hblk_fl_from_blocks(divHBLKSZ(hhdr -> hb_sz)); - } else { - index = n; - } -# endif - GC_ASSERT(HDR(GC_hblkfreelist[index]) == hhdr); - GC_hblkfreelist[index] = hhdr -> hb_next; - } else { - hdr *phdr; - GET_HDR(hhdr -> hb_prev, phdr); - phdr -> hb_next = hhdr -> hb_next; - } - FREE_ASSERT(GC_free_bytes[index] >= hhdr -> hb_sz); - INCR_FREE_BYTES(index, - (signed_word)(hhdr -> hb_sz)); - if (0 != hhdr -> hb_next) { - hdr * nhdr; - GC_ASSERT(!IS_FORWARDING_ADDR_OR_NIL(NHDR(hhdr))); - GET_HDR(hhdr -> hb_next, nhdr); - nhdr -> hb_prev = hhdr -> hb_prev; - } -} - -/* - * Return a pointer to the free block ending just before h, if any. - */ -struct hblk * GC_free_block_ending_at(struct hblk *h) -{ - struct hblk * p = h - 1; - hdr * phdr; - - GET_HDR(p, phdr); - while (0 != phdr && IS_FORWARDING_ADDR_OR_NIL(phdr)) { - p = FORWARDED_ADDR(p,phdr); - phdr = HDR(p); - } - if (0 != phdr) { - if(HBLK_IS_FREE(phdr)) { - return p; - } else { - return 0; - } - } - p = GC_prev_block(h - 1); - if (0 != p) { - phdr = HDR(p); - if (HBLK_IS_FREE(phdr) && (ptr_t)p + phdr -> hb_sz == (ptr_t)h) { - return p; - } - } - return 0; -} - -/* - * Add hhdr to the appropriate free list. - * We maintain individual free lists sorted by address. - */ -void GC_add_to_fl(struct hblk *h, hdr *hhdr) -{ - int index = GC_hblk_fl_from_blocks(divHBLKSZ(hhdr -> hb_sz)); - struct hblk *second = GC_hblkfreelist[index]; - hdr * second_hdr; -# if defined(GC_ASSERTIONS) && !defined(USE_MUNMAP) - struct hblk *next = (struct hblk *)((word)h + hhdr -> hb_sz); - hdr * nexthdr = HDR(next); - struct hblk *prev = GC_free_block_ending_at(h); - hdr * prevhdr = HDR(prev); - GC_ASSERT(nexthdr == 0 || !HBLK_IS_FREE(nexthdr) - || (signed_word)GC_heapsize < 0); - /* In the last case, blocks may be too large to merge. */ - GC_ASSERT(prev == 0 || !HBLK_IS_FREE(prevhdr) - || (signed_word)GC_heapsize < 0); -# endif - GC_ASSERT(((hhdr -> hb_sz) & (HBLKSIZE-1)) == 0); - GC_hblkfreelist[index] = h; - INCR_FREE_BYTES(index, hhdr -> hb_sz); - FREE_ASSERT(GC_free_bytes[index] <= GC_large_free_bytes) - hhdr -> hb_next = second; - hhdr -> hb_prev = 0; - if (0 != second) { - GET_HDR(second, second_hdr); - second_hdr -> hb_prev = h; - } - hhdr -> hb_flags |= FREE_BLK; -} - -#ifdef USE_MUNMAP - -/* Unmap blocks that haven't been recently touched. This is the only way */ -/* way blocks are ever unmapped. */ -void GC_unmap_old(void) -{ - struct hblk * h; - hdr * hhdr; - word sz; - unsigned short last_rec, threshold; - int i; -# ifndef MUNMAP_THRESHOLD -# define MUNMAP_THRESHOLD 6 -# endif - - for (i = 0; i <= N_HBLK_FLS; ++i) { - for (h = GC_hblkfreelist[i]; 0 != h; h = hhdr -> hb_next) { - hhdr = HDR(h); - if (!IS_MAPPED(hhdr)) continue; - threshold = (unsigned short)(GC_gc_no - MUNMAP_THRESHOLD); - last_rec = hhdr -> hb_last_reclaimed; - if ((last_rec > GC_gc_no || last_rec < threshold) - && threshold < GC_gc_no /* not recently wrapped */) { - sz = hhdr -> hb_sz; - GC_unmap((ptr_t)h, sz); - hhdr -> hb_flags |= WAS_UNMAPPED; - } - } - } -} - -/* Merge all unmapped blocks that are adjacent to other free */ -/* blocks. This may involve remapping, since all blocks are either */ -/* fully mapped or fully unmapped. */ -void GC_merge_unmapped(void) -{ - struct hblk * h, *next; - hdr * hhdr, *nexthdr; - word size, nextsize; - int i; - - for (i = 0; i <= N_HBLK_FLS; ++i) { - h = GC_hblkfreelist[i]; - while (h != 0) { - GET_HDR(h, hhdr); - size = hhdr->hb_sz; - next = (struct hblk *)((word)h + size); - GET_HDR(next, nexthdr); - /* Coalesce with successor, if possible */ - if (0 != nexthdr && HBLK_IS_FREE(nexthdr) - && (signed_word) (size + (nextsize = nexthdr->hb_sz)) > 0 - /* no pot. overflow */) { - if (IS_MAPPED(hhdr)) { - GC_ASSERT(!IS_MAPPED(nexthdr)); - /* make both consistent, so that we can merge */ - if (size > nextsize) { - GC_remap((ptr_t)next, nextsize); - } else { - GC_unmap((ptr_t)h, size); - hhdr -> hb_flags |= WAS_UNMAPPED; - } - } else if (IS_MAPPED(nexthdr)) { - GC_ASSERT(!IS_MAPPED(hhdr)); - if (size > nextsize) { - GC_unmap((ptr_t)next, nextsize); - } else { - GC_remap((ptr_t)h, size); - hhdr -> hb_flags &= ~WAS_UNMAPPED; - hhdr -> hb_last_reclaimed = nexthdr -> hb_last_reclaimed; - } - } else { - /* Unmap any gap in the middle */ - GC_unmap_gap((ptr_t)h, size, (ptr_t)next, nexthdr -> hb_sz); - } - /* If they are both unmapped, we merge, but leave unmapped. */ - GC_remove_from_fl(hhdr, i); - GC_remove_from_fl(nexthdr, FL_UNKNOWN); - hhdr -> hb_sz += nexthdr -> hb_sz; - GC_remove_header(next); - GC_add_to_fl(h, hhdr); - /* Start over at beginning of list */ - h = GC_hblkfreelist[i]; - } else /* not mergable with successor */ { - h = hhdr -> hb_next; - } - } /* while (h != 0) ... */ - } /* for ... */ -} - -#endif /* USE_MUNMAP */ - -/* - * Return a pointer to a block starting at h of length bytes. - * Memory for the block is mapped. - * Remove the block from its free list, and return the remainder (if any) - * to its appropriate free list. - * May fail by returning 0. - * The header for the returned block must be set up by the caller. - * If the return value is not 0, then hhdr is the header for it. - */ -struct hblk * GC_get_first_part(struct hblk *h, hdr *hhdr, - size_t bytes, int index) -{ - word total_size = hhdr -> hb_sz; - struct hblk * rest; - hdr * rest_hdr; - - GC_ASSERT((total_size & (HBLKSIZE-1)) == 0); - GC_remove_from_fl(hhdr, index); - if (total_size == bytes) return h; - rest = (struct hblk *)((word)h + bytes); - rest_hdr = GC_install_header(rest); - if (0 == rest_hdr) { - /* FIXME: This is likely to be very bad news ... */ - WARN("Header allocation failed: Dropping block.\n", 0); - return(0); - } - rest_hdr -> hb_sz = total_size - bytes; - rest_hdr -> hb_flags = 0; -# ifdef GC_ASSERTIONS - /* Mark h not free, to avoid assertion about adjacent free blocks. */ - hhdr -> hb_flags &= ~FREE_BLK; -# endif - GC_add_to_fl(rest, rest_hdr); - return h; -} - -/* - * H is a free block. N points at an address inside it. - * A new header for n has already been set up. Fix up h's header - * to reflect the fact that it is being split, move it to the - * appropriate free list. - * N replaces h in the original free list. - * - * Nhdr is not completely filled in, since it is about to allocated. - * It may in fact end up on the wrong free list for its size. - * (Hence adding it to a free list is silly. But this path is hopefully - * rare enough that it doesn't matter. The code is cleaner this way.) - */ -void GC_split_block(struct hblk *h, hdr *hhdr, struct hblk *n, - hdr *nhdr, int index /* Index of free list */) -{ - word total_size = hhdr -> hb_sz; - word h_size = (word)n - (word)h; - struct hblk *prev = hhdr -> hb_prev; - struct hblk *next = hhdr -> hb_next; - - /* Replace h with n on its freelist */ - nhdr -> hb_prev = prev; - nhdr -> hb_next = next; - nhdr -> hb_sz = total_size - h_size; - nhdr -> hb_flags = 0; - if (0 != prev) { - HDR(prev) -> hb_next = n; - } else { - GC_hblkfreelist[index] = n; - } - if (0 != next) { - HDR(next) -> hb_prev = n; - } - INCR_FREE_BYTES(index, -(signed_word)h_size); - FREE_ASSERT(GC_free_bytes[index] > 0); -# ifdef GC_ASSERTIONS - nhdr -> hb_flags &= ~FREE_BLK; - /* Don't fail test for consecutive */ - /* free blocks in GC_add_to_fl. */ -# endif -# ifdef USE_MUNMAP - hhdr -> hb_last_reclaimed = (unsigned short)GC_gc_no; -# endif - hhdr -> hb_sz = h_size; - GC_add_to_fl(h, hhdr); - nhdr -> hb_flags |= FREE_BLK; -} - -struct hblk * -GC_allochblk_nth(size_t sz/* bytes */, int kind, unsigned flags, int n, - GC_bool may_split); - -/* - * Allocate (and return pointer to) a heap block - * for objects of size sz bytes, searching the nth free list. - * - * NOTE: We set obj_map field in header correctly. - * Caller is responsible for building an object freelist in block. - * - * The client is responsible for clearing the block, if necessary. - */ -struct hblk * -GC_allochblk(size_t sz, int kind, unsigned flags/* IGNORE_OFF_PAGE or 0 */) -{ - word blocks; - int start_list; - int i; - struct hblk *result; - int split_limit; /* Highest index of free list whose blocks we */ - /* split. */ - - GC_ASSERT((sz & (GRANULE_BYTES - 1)) == 0); - blocks = OBJ_SZ_TO_BLOCKS(sz); - if ((signed_word)(blocks * HBLKSIZE) < 0) { - return 0; - } - start_list = GC_hblk_fl_from_blocks(blocks); - /* Try for an exact match first. */ - result = GC_allochblk_nth(sz, kind, flags, start_list, FALSE); - if (0 != result) return result; - if (GC_use_entire_heap || GC_dont_gc - || USED_HEAP_SIZE < GC_requested_heapsize - || TRUE_INCREMENTAL || !GC_should_collect()) { - /* Should use more of the heap, even if it requires splitting. */ - split_limit = N_HBLK_FLS; - } else { -# ifdef USE_MUNMAP - /* avoid splitting, since that might require remapping */ - split_limit = 0; -# else - if (GC_finalizer_bytes_freed > (GC_heapsize >> 4)) { - /* If we are deallocating lots of memory from */ - /* finalizers, fail and collect sooner rather */ - /* than later. */ - split_limit = 0; - } else { - /* If we have enough large blocks left to cover any */ - /* previous request for large blocks, we go ahead */ - /* and split. Assuming a steady state, that should */ - /* be safe. It means that we can use the full */ - /* heap if we allocate only small objects. */ - split_limit = GC_enough_large_bytes_left(); - } -# endif - } - if (start_list < UNIQUE_THRESHOLD) { - /* No reason to try start_list again, since all blocks are exact */ - /* matches. */ - ++start_list; - } - for (i = start_list; i <= split_limit; ++i) { - struct hblk * result = GC_allochblk_nth(sz, kind, flags, i, TRUE); - if (0 != result) return result; - } - return 0; -} -/* - * The same, but with search restricted to nth free list. - * Flags is IGNORE_OFF_PAGE or zero. - * Unlike the above, sz is in bytes. - * The may_split flag indicates whether it's OK to split larger blocks. - */ -struct hblk * -GC_allochblk_nth(size_t sz, int kind, unsigned flags, int n, GC_bool may_split) -{ - struct hblk *hbp; - hdr * hhdr; /* Header corr. to hbp */ - /* Initialized after loop if hbp !=0 */ - /* Gcc uninitialized use warning is bogus. */ - struct hblk *thishbp; - hdr * thishdr; /* Header corr. to hbp */ - signed_word size_needed; /* number of bytes in requested objects */ - signed_word size_avail; /* bytes available in this block */ - - size_needed = HBLKSIZE * OBJ_SZ_TO_BLOCKS(sz); - - /* search for a big enough block in free list */ - hbp = GC_hblkfreelist[n]; - for(; 0 != hbp; hbp = hhdr -> hb_next) { - GET_HDR(hbp, hhdr); - size_avail = hhdr->hb_sz; - if (size_avail < size_needed) continue; - if (size_avail != size_needed) { - signed_word next_size; - - if (!may_split) continue; - /* If the next heap block is obviously better, go on. */ - /* This prevents us from disassembling a single large block */ - /* to get tiny blocks. */ - thishbp = hhdr -> hb_next; - if (thishbp != 0) { - GET_HDR(thishbp, thishdr); - next_size = (signed_word)(thishdr -> hb_sz); - if (next_size < size_avail - && next_size >= size_needed - && !GC_is_black_listed(thishbp, (word)size_needed)) { - continue; - } - } - } - if ( !IS_UNCOLLECTABLE(kind) && - (kind != PTRFREE || size_needed > MAX_BLACK_LIST_ALLOC)) { - struct hblk * lasthbp = hbp; - ptr_t search_end = (ptr_t)hbp + size_avail - size_needed; - signed_word orig_avail = size_avail; - signed_word eff_size_needed = ((flags & IGNORE_OFF_PAGE)? - HBLKSIZE - : size_needed); - - - while ((ptr_t)lasthbp <= search_end - && (thishbp = GC_is_black_listed(lasthbp, - (word)eff_size_needed)) - != 0) { - lasthbp = thishbp; - } - size_avail -= (ptr_t)lasthbp - (ptr_t)hbp; - thishbp = lasthbp; - if (size_avail >= size_needed) { - if (thishbp != hbp && - 0 != (thishdr = GC_install_header(thishbp))) { - /* Make sure it's mapped before we mangle it. */ -# ifdef USE_MUNMAP - if (!IS_MAPPED(hhdr)) { - GC_remap((ptr_t)hbp, hhdr -> hb_sz); - hhdr -> hb_flags &= ~WAS_UNMAPPED; - } -# endif - /* Split the block at thishbp */ - GC_split_block(hbp, hhdr, thishbp, thishdr, n); - /* Advance to thishbp */ - hbp = thishbp; - hhdr = thishdr; - /* We must now allocate thishbp, since it may */ - /* be on the wrong free list. */ - } - } else if (size_needed > (signed_word)BL_LIMIT - && orig_avail - size_needed - > (signed_word)BL_LIMIT) { - /* Punt, since anything else risks unreasonable heap growth. */ - if (++GC_large_alloc_warn_suppressed - >= GC_large_alloc_warn_interval) { - WARN("Repeated allocation of very large block " - "(appr. size %ld):\n" - "\tMay lead to memory leak and poor performance.\n", - size_needed); - GC_large_alloc_warn_suppressed = 0; - } - size_avail = orig_avail; - } else if (size_avail == 0 && size_needed == HBLKSIZE - && IS_MAPPED(hhdr)) { - if (!GC_find_leak) { - static unsigned count = 0; - - /* The block is completely blacklisted. We need */ - /* to drop some such blocks, since otherwise we spend */ - /* all our time traversing them if pointerfree */ - /* blocks are unpopular. */ - /* A dropped block will be reconsidered at next GC. */ - if ((++count & 3) == 0) { - /* Allocate and drop the block in small chunks, to */ - /* maximize the chance that we will recover some */ - /* later. */ - word total_size = hhdr -> hb_sz; - struct hblk * limit = hbp + divHBLKSZ(total_size); - struct hblk * h; - struct hblk * prev = hhdr -> hb_prev; - - GC_large_free_bytes -= total_size; - GC_bytes_dropped += total_size; - GC_remove_from_fl(hhdr, n); - for (h = hbp; h < limit; h++) { - if (h == hbp || 0 != (hhdr = GC_install_header(h))) { - (void) setup_header( - hhdr, h, - HBLKSIZE, - PTRFREE, 0); /* Cant fail */ - if (GC_debugging_started) { - BZERO(h, HBLKSIZE); - } - } - } - /* Restore hbp to point at free block */ - hbp = prev; - if (0 == hbp) { - return GC_allochblk_nth(sz, kind, flags, n, may_split); - } - hhdr = HDR(hbp); - } - } - } - } - if( size_avail >= size_needed ) { -# ifdef USE_MUNMAP - if (!IS_MAPPED(hhdr)) { - GC_remap((ptr_t)hbp, hhdr -> hb_sz); - hhdr -> hb_flags &= ~WAS_UNMAPPED; - /* Note: This may leave adjacent, mapped free blocks. */ - } -# endif - /* hbp may be on the wrong freelist; the parameter n */ - /* is important. */ - hbp = GC_get_first_part(hbp, hhdr, size_needed, n); - break; - } - } - - if (0 == hbp) return 0; - - /* Add it to map of valid blocks */ - if (!GC_install_counts(hbp, (word)size_needed)) return(0); - /* This leaks memory under very rare conditions. */ - - /* Set up header */ - if (!setup_header(hhdr, hbp, sz, kind, flags)) { - GC_remove_counts(hbp, (word)size_needed); - return(0); /* ditto */ - } - - /* Notify virtual dirty bit implementation that we are about to write. */ - /* Ensure that pointerfree objects are not protected if it's avoidable. */ - GC_remove_protection(hbp, divHBLKSZ(size_needed), - (hhdr -> hb_descr == 0) /* pointer-free */); - - /* We just successfully allocated a block. Restart count of */ - /* consecutive failures. */ - { - extern unsigned GC_fail_count; - - GC_fail_count = 0; - } - - GC_large_free_bytes -= size_needed; - - GC_ASSERT(IS_MAPPED(hhdr)); - return( hbp ); -} - -struct hblk * GC_freehblk_ptr = 0; /* Search position hint for GC_freehblk */ - -/* - * Free a heap block. - * - * Coalesce the block with its neighbors if possible. - * - * All mark words are assumed to be cleared. - */ -void -GC_freehblk(struct hblk *hbp) -{ -struct hblk *next, *prev; -hdr *hhdr, *prevhdr, *nexthdr; -signed_word size; - - - GET_HDR(hbp, hhdr); - size = hhdr->hb_sz; - size = HBLKSIZE * OBJ_SZ_TO_BLOCKS(size); - if (size <= 0) - ABORT("Deallocating excessively large block. Too large an allocation?"); - /* Probably possible if we try to allocate more than half the address */ - /* space at once. If we dont catch it here, strange things happen */ - /* later. */ - GC_remove_counts(hbp, (word)size); - hhdr->hb_sz = size; -# ifdef USE_MUNMAP - hhdr -> hb_last_reclaimed = (unsigned short)GC_gc_no; -# endif - - /* Check for duplicate deallocation in the easy case */ - if (HBLK_IS_FREE(hhdr)) { - GC_printf("Duplicate large block deallocation of %p\n", hbp); - ABORT("Duplicate large block deallocation"); - } - - GC_ASSERT(IS_MAPPED(hhdr)); - hhdr -> hb_flags |= FREE_BLK; - next = (struct hblk *)((word)hbp + size); - GET_HDR(next, nexthdr); - prev = GC_free_block_ending_at(hbp); - /* Coalesce with successor, if possible */ - if(0 != nexthdr && HBLK_IS_FREE(nexthdr) && IS_MAPPED(nexthdr) - && (signed_word)(hhdr -> hb_sz + nexthdr -> hb_sz) > 0 - /* no overflow */) { - GC_remove_from_fl(nexthdr, FL_UNKNOWN); - hhdr -> hb_sz += nexthdr -> hb_sz; - GC_remove_header(next); - } - /* Coalesce with predecessor, if possible. */ - if (0 != prev) { - prevhdr = HDR(prev); - if (IS_MAPPED(prevhdr) - && (signed_word)(hhdr -> hb_sz + prevhdr -> hb_sz) > 0) { - GC_remove_from_fl(prevhdr, FL_UNKNOWN); - prevhdr -> hb_sz += hhdr -> hb_sz; -# ifdef USE_MUNMAP - prevhdr -> hb_last_reclaimed = (unsigned short)GC_gc_no; -# endif - GC_remove_header(hbp); - hbp = prev; - hhdr = prevhdr; - } - } - /* FIXME: It is not clear we really always want to do these merges */ - /* with -DUSE_MUNMAP, since it updates ages and hence prevents */ - /* unmapping. */ - - GC_large_free_bytes += size; - GC_add_to_fl(hbp, hhdr); -} - diff --git a/vendor/gc/alloc.c b/vendor/gc/alloc.c deleted file mode 100644 index cecdf82..0000000 --- a/vendor/gc/alloc.c +++ /dev/null @@ -1,1076 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1996 by Xerox Corporation. All rights reserved. - * Copyright (c) 1998 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - - -# include "private/gc_priv.h" - -# include -# if !defined(MACOS) && !defined(MSWINCE) -# include -# include -# endif - -/* - * Separate free lists are maintained for different sized objects - * up to MAXOBJBYTES. - * The call GC_allocobj(i,k) ensures that the freelist for - * kind k objects of size i points to a non-empty - * free list. It returns a pointer to the first entry on the free list. - * In a single-threaded world, GC_allocobj may be called to allocate - * an object of (small) size i as follows: - * - * opp = &(GC_objfreelist[i]); - * if (*opp == 0) GC_allocobj(i, NORMAL); - * ptr = *opp; - * *opp = obj_link(ptr); - * - * Note that this is very fast if the free list is non-empty; it should - * only involve the execution of 4 or 5 simple instructions. - * All composite objects on freelists are cleared, except for - * their first word. - */ - -/* - * The allocator uses GC_allochblk to allocate large chunks of objects. - * These chunks all start on addresses which are multiples of - * HBLKSZ. Each allocated chunk has an associated header, - * which can be located quickly based on the address of the chunk. - * (See headers.c for details.) - * This makes it possible to check quickly whether an - * arbitrary address corresponds to an object administered by the - * allocator. - */ - -word GC_non_gc_bytes = 0; /* Number of bytes not intended to be collected */ - -word GC_gc_no = 0; - -#ifndef SMALL_CONFIG - int GC_incremental = 0; /* By default, stop the world. */ -#endif - -int GC_parallel = FALSE; /* By default, parallel GC is off. */ - -int GC_full_freq = 19; /* Every 20th collection is a full */ - /* collection, whether we need it */ - /* or not. */ - -GC_bool GC_need_full_gc = FALSE; - /* Need full GC do to heap growth. */ - -#ifdef THREADS - GC_bool GC_world_stopped = FALSE; -# define IF_THREADS(x) x -#else -# define IF_THREADS(x) -#endif - -word GC_used_heap_size_after_full = 0; - -char * GC_copyright[] = -{"Copyright 1988,1989 Hans-J. Boehm and Alan J. Demers ", -"Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. ", -"Copyright (c) 1996-1998 by Silicon Graphics. All rights reserved. ", -"Copyright (c) 1999-2001 by Hewlett-Packard Company. All rights reserved. ", -"THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY", -" EXPRESSED OR IMPLIED. ANY USE IS AT YOUR OWN RISK.", -"See source code for details." }; - -/* Version macros are now defined in gc_version.h, which is included by */ -/* gc.h, which is included by gc_priv.h". */ - -#ifndef GC_NO_VERSION_VAR - -unsigned GC_version = ((GC_VERSION_MAJOR << 16) | (GC_VERSION_MINOR << 8) | GC_TMP_ALPHA_VERSION); - -#endif /* GC_NO_VERSION_VAR */ - -/* some more variables */ - -extern signed_word GC_bytes_found; /* Number of reclaimed bytes */ - /* after garbage collection */ - -GC_bool GC_dont_expand = 0; - -word GC_free_space_divisor = 3; - -extern GC_bool GC_collection_in_progress(); - /* Collection is in progress, or was abandoned. */ - -int GC_never_stop_func (void) { return(0); } - -unsigned long GC_time_limit = TIME_LIMIT; - -CLOCK_TYPE GC_start_time; /* Time at which we stopped world. */ - /* used only in GC_timeout_stop_func. */ - -int GC_n_attempts = 0; /* Number of attempts at finishing */ - /* collection within GC_time_limit. */ - -#if defined(SMALL_CONFIG) || defined(NO_CLOCK) -# define GC_timeout_stop_func GC_never_stop_func -#else - int GC_timeout_stop_func (void) - { - CLOCK_TYPE current_time; - static unsigned count = 0; - unsigned long time_diff; - - if ((count++ & 3) != 0) return(0); - GET_TIME(current_time); - time_diff = MS_TIME_DIFF(current_time,GC_start_time); - if (time_diff >= GC_time_limit) { - if (GC_print_stats) { - GC_log_printf("Abandoning stopped marking after "); - GC_log_printf("%lu msecs", time_diff); - GC_log_printf("(attempt %d)\n", GC_n_attempts); - } - return(1); - } - return(0); - } -#endif /* !SMALL_CONFIG */ - -/* Return the minimum number of words that must be allocated between */ -/* collections to amortize the collection cost. */ -static word min_bytes_allocd() -{ -# ifdef THREADS - /* We punt, for now. */ - signed_word stack_size = 10000; -# else - int dummy; - signed_word stack_size = (ptr_t)(&dummy) - GC_stackbottom; -# endif - word total_root_size; /* includes double stack size, */ - /* since the stack is expensive */ - /* to scan. */ - word scan_size; /* Estimate of memory to be scanned */ - /* during normal GC. */ - - if (stack_size < 0) stack_size = -stack_size; - total_root_size = 2 * stack_size + GC_root_size; - scan_size = 2 * GC_composite_in_use + GC_atomic_in_use/4 - + total_root_size; - if (TRUE_INCREMENTAL) { - return scan_size / (2 * GC_free_space_divisor); - } else { - return scan_size / GC_free_space_divisor; - } -} - -/* Return the number of bytes allocated, adjusted for explicit storage */ -/* management, etc.. This number is used in deciding when to trigger */ -/* collections. */ -word GC_adj_bytes_allocd(void) -{ - signed_word result; - signed_word expl_managed = - (signed_word)GC_non_gc_bytes - - (signed_word)GC_non_gc_bytes_at_gc; - - /* Don't count what was explicitly freed, or newly allocated for */ - /* explicit management. Note that deallocating an explicitly */ - /* managed object should not alter result, assuming the client */ - /* is playing by the rules. */ - result = (signed_word)GC_bytes_allocd - + (signed_word)GC_bytes_dropped - - (signed_word)GC_bytes_freed - + (signed_word)GC_finalizer_bytes_freed - - expl_managed; - if (result > (signed_word)GC_bytes_allocd) { - result = GC_bytes_allocd; - /* probably client bug or unfortunate scheduling */ - } - result += GC_bytes_finalized; - /* We count objects enqueued for finalization as though they */ - /* had been reallocated this round. Finalization is user */ - /* visible progress. And if we don't count this, we have */ - /* stability problems for programs that finalize all objects. */ - if (result < (signed_word)(GC_bytes_allocd >> 3)) { - /* Always count at least 1/8 of the allocations. We don't want */ - /* to collect too infrequently, since that would inhibit */ - /* coalescing of free storage blocks. */ - /* This also makes us partially robust against client bugs. */ - return(GC_bytes_allocd >> 3); - } else { - return(result); - } -} - - -/* Clear up a few frames worth of garbage left at the top of the stack. */ -/* This is used to prevent us from accidentally treating garbade left */ -/* on the stack by other parts of the collector as roots. This */ -/* differs from the code in misc.c, which actually tries to keep the */ -/* stack clear of long-lived, client-generated garbage. */ -void GC_clear_a_few_frames() -{ -# define NWORDS 64 - word frames[NWORDS]; - int i; - - for (i = 0; i < NWORDS; i++) frames[i] = 0; -} - -/* Heap size at which we need a collection to avoid expanding past */ -/* limits used by blacklisting. */ -static word GC_collect_at_heapsize = (word)(-1); - -/* Have we allocated enough to amortize a collection? */ -GC_bool GC_should_collect(void) -{ - static word last_min_bytes_allocd; - static word last_gc_no; - if (last_gc_no != GC_gc_no) { - last_gc_no = GC_gc_no; - last_min_bytes_allocd = min_bytes_allocd(); - } - return(GC_adj_bytes_allocd() >= last_min_bytes_allocd - || GC_heapsize >= GC_collect_at_heapsize); -} - - -void GC_notify_full_gc(void) -{ - if (GC_start_call_back != (void (*) (void))0) { - (*GC_start_call_back)(); - } -} - -GC_bool GC_is_full_gc = FALSE; - -/* - * Initiate a garbage collection if appropriate. - * Choose judiciously - * between partial, full, and stop-world collections. - */ -void GC_maybe_gc(void) -{ - static int n_partial_gcs = 0; - - GC_ASSERT(I_HOLD_LOCK()); - if (GC_should_collect()) { - if (!GC_incremental) { - GC_gcollect_inner(); - n_partial_gcs = 0; - return; - } else { -# ifdef PARALLEL_MARK - GC_wait_for_reclaim(); -# endif - if (GC_need_full_gc || n_partial_gcs >= GC_full_freq) { - if (GC_print_stats) { - GC_log_printf( - "***>Full mark for collection %lu after %ld allocd bytes\n", - (unsigned long)GC_gc_no+1, - (long)GC_bytes_allocd); - } - GC_promote_black_lists(); - (void)GC_reclaim_all((GC_stop_func)0, TRUE); - GC_clear_marks(); - n_partial_gcs = 0; - GC_notify_full_gc(); - GC_is_full_gc = TRUE; - } else { - n_partial_gcs++; - } - } - /* We try to mark with the world stopped. */ - /* If we run out of time, this turns into */ - /* incremental marking. */ -# ifndef NO_CLOCK - if (GC_time_limit != GC_TIME_UNLIMITED) { GET_TIME(GC_start_time); } -# endif - if (GC_stopped_mark(GC_time_limit == GC_TIME_UNLIMITED? - GC_never_stop_func : GC_timeout_stop_func)) { -# ifdef SAVE_CALL_CHAIN - GC_save_callers(GC_last_stack); -# endif - GC_finish_collection(); - } else { - if (!GC_is_full_gc) { - /* Count this as the first attempt */ - GC_n_attempts++; - } - } - } -} - - -/* - * Stop the world garbage collection. Assumes lock held, signals disabled. - * If stop_func is not GC_never_stop_func, then abort if stop_func returns TRUE. - * Return TRUE if we successfully completed the collection. - */ -GC_bool GC_try_to_collect_inner(GC_stop_func stop_func) -{ - CLOCK_TYPE start_time, current_time; - if (GC_dont_gc) return FALSE; - if (GC_incremental && GC_collection_in_progress()) { - if (GC_print_stats) { - GC_log_printf( - "GC_try_to_collect_inner: finishing collection in progress\n"); - } - /* Just finish collection already in progress. */ - while(GC_collection_in_progress()) { - if (stop_func()) return(FALSE); - GC_collect_a_little_inner(1); - } - } - if (stop_func == GC_never_stop_func) GC_notify_full_gc(); - if (GC_print_stats) { - GET_TIME(start_time); - GC_log_printf( - "Initiating full world-stop collection %lu after %ld allocd bytes\n", - (unsigned long)GC_gc_no+1, (long)GC_bytes_allocd); - } - GC_promote_black_lists(); - /* Make sure all blocks have been reclaimed, so sweep routines */ - /* don't see cleared mark bits. */ - /* If we're guaranteed to finish, then this is unnecessary. */ - /* In the find_leak case, we have to finish to guarantee that */ - /* previously unmarked objects are not reported as leaks. */ -# ifdef PARALLEL_MARK - GC_wait_for_reclaim(); -# endif - if ((GC_find_leak || stop_func != GC_never_stop_func) - && !GC_reclaim_all(stop_func, FALSE)) { - /* Aborted. So far everything is still consistent. */ - return(FALSE); - } - GC_invalidate_mark_state(); /* Flush mark stack. */ - GC_clear_marks(); -# ifdef SAVE_CALL_CHAIN - GC_save_callers(GC_last_stack); -# endif - GC_is_full_gc = TRUE; - if (!GC_stopped_mark(stop_func)) { - if (!GC_incremental) { - /* We're partially done and have no way to complete or use */ - /* current work. Reestablish invariants as cheaply as */ - /* possible. */ - GC_invalidate_mark_state(); - GC_unpromote_black_lists(); - } /* else we claim the world is already still consistent. We'll */ - /* finish incrementally. */ - return(FALSE); - } - GC_finish_collection(); - if (GC_print_stats) { - GET_TIME(current_time); - GC_log_printf("Complete collection took %lu msecs\n", - MS_TIME_DIFF(current_time,start_time)); - } - return(TRUE); -} - - - -/* - * Perform n units of garbage collection work. A unit is intended to touch - * roughly GC_RATE pages. Every once in a while, we do more than that. - * This needs to be a fairly large number with our current incremental - * GC strategy, since otherwise we allocate too much during GC, and the - * cleanup gets expensive. - */ -# define GC_RATE 10 -# define MAX_PRIOR_ATTEMPTS 1 - /* Maximum number of prior attempts at world stop marking */ - /* A value of 1 means that we finish the second time, no matter */ - /* how long it takes. Doesn't count the initial root scan */ - /* for a full GC. */ - -int GC_deficit = 0; /* The number of extra calls to GC_mark_some */ - /* that we have made. */ - -void GC_collect_a_little_inner(int n) -{ - int i; - - if (GC_dont_gc) return; - if (GC_incremental && GC_collection_in_progress()) { - for (i = GC_deficit; i < GC_RATE*n; i++) { - if (GC_mark_some((ptr_t)0)) { - /* Need to finish a collection */ -# ifdef SAVE_CALL_CHAIN - GC_save_callers(GC_last_stack); -# endif -# ifdef PARALLEL_MARK - GC_wait_for_reclaim(); -# endif - if (GC_n_attempts < MAX_PRIOR_ATTEMPTS - && GC_time_limit != GC_TIME_UNLIMITED) { - GET_TIME(GC_start_time); - if (!GC_stopped_mark(GC_timeout_stop_func)) { - GC_n_attempts++; - break; - } - } else { - (void)GC_stopped_mark(GC_never_stop_func); - } - GC_finish_collection(); - break; - } - } - if (GC_deficit > 0) GC_deficit -= GC_RATE*n; - if (GC_deficit < 0) GC_deficit = 0; - } else { - GC_maybe_gc(); - } -} - -int GC_collect_a_little(void) -{ - int result; - DCL_LOCK_STATE; - - LOCK(); - GC_collect_a_little_inner(1); - result = (int)GC_collection_in_progress(); - UNLOCK(); - if (!result && GC_debugging_started) GC_print_all_smashed(); - return(result); -} - -# if !defined(REDIRECT_MALLOC) && (defined(MSWIN32) || defined(MSWINCE)) - void GC_add_current_malloc_heap(); -# endif -/* - * Assumes lock is held, signals are disabled. - * We stop the world. - * If stop_func() ever returns TRUE, we may fail and return FALSE. - * Increment GC_gc_no if we succeed. - */ -GC_bool GC_stopped_mark(GC_stop_func stop_func) -{ - unsigned i; - int dummy; - CLOCK_TYPE start_time, current_time; - - if (GC_print_stats) - GET_TIME(start_time); - -# if !defined(REDIRECT_MALLOC) && (defined(MSWIN32) || defined(MSWINCE)) - GC_add_current_malloc_heap(); -# endif -# if defined(REGISTER_LIBRARIES_EARLY) - GC_cond_register_dynamic_libraries(); -# endif - STOP_WORLD(); - IF_THREADS(GC_world_stopped = TRUE); - if (GC_print_stats) { - GC_log_printf("--> Marking for collection %lu ", - (unsigned long)GC_gc_no + 1); - GC_log_printf("after %lu allocd bytes\n", - (unsigned long) GC_bytes_allocd); - } -# ifdef MAKE_BACK_GRAPH - if (GC_print_back_height) { - GC_build_back_graph(); - } -# endif - - /* Mark from all roots. */ - /* Minimize junk left in my registers and on the stack */ - GC_clear_a_few_frames(); - GC_noop(0,0,0,0,0,0); - GC_initiate_gc(); - for(i = 0;;i++) { - if ((*stop_func)()) { - if (GC_print_stats) { - GC_log_printf("Abandoned stopped marking after "); - GC_log_printf("%u iterations\n", i); - } - GC_deficit = i; /* Give the mutator a chance. */ - IF_THREADS(GC_world_stopped = FALSE); - START_WORLD(); - return(FALSE); - } - if (GC_mark_some((ptr_t)(&dummy))) break; - } - - GC_gc_no++; - if (GC_print_stats) { - GC_log_printf("Collection %lu reclaimed %ld bytes", - (unsigned long)GC_gc_no - 1, - (long)GC_bytes_found); - GC_log_printf(" ---> heapsize = %lu bytes\n", - (unsigned long) GC_heapsize); - /* Printf arguments may be pushed in funny places. Clear the */ - /* space. */ - GC_log_printf(""); - } - - /* Check all debugged objects for consistency */ - if (GC_debugging_started) { - (*GC_check_heap)(); - } - - IF_THREADS(GC_world_stopped = FALSE); - START_WORLD(); - if (GC_print_stats) { - GET_TIME(current_time); - GC_log_printf("World-stopped marking took %lu msecs\n", - MS_TIME_DIFF(current_time,start_time)); - } - return(TRUE); -} - -/* Set all mark bits for the free list whose first entry is q */ -void GC_set_fl_marks(ptr_t q) -{ - ptr_t p; - struct hblk * h, * last_h = 0; - hdr *hhdr; /* gcc "might be uninitialized" warning is bogus. */ - IF_PER_OBJ(size_t sz;) - unsigned bit_no; - - for (p = q; p != 0; p = obj_link(p)){ - h = HBLKPTR(p); - if (h != last_h) { - last_h = h; - hhdr = HDR(h); - IF_PER_OBJ(sz = hhdr->hb_sz;) - } - bit_no = MARK_BIT_NO((ptr_t)p - (ptr_t)h, sz); - if (!mark_bit_from_hdr(hhdr, bit_no)) { - set_mark_bit_from_hdr(hhdr, bit_no); - ++hhdr -> hb_n_marks; - } - } -} - -#ifdef GC_ASSERTIONS -/* Check that all mark bits for the free list whose first entry is q */ -/* are set. */ -void GC_check_fl_marks(ptr_t q) -{ - ptr_t p; - - for (p = q; p != 0; p = obj_link(p)){ - if (!GC_is_marked(p)) { - GC_err_printf("Unmarked object %p on list %p\n", p, q); - ABORT("Unmarked local free list entry."); - } - } -} -#endif - -/* Clear all mark bits for the free list whose first entry is q */ -/* Decrement GC_bytes_found by number of bytes on free list. */ -void GC_clear_fl_marks(ptr_t q) -{ - ptr_t p; - struct hblk * h, * last_h = 0; - hdr *hhdr; - size_t sz; - unsigned bit_no; - - for (p = q; p != 0; p = obj_link(p)){ - h = HBLKPTR(p); - if (h != last_h) { - last_h = h; - hhdr = HDR(h); - sz = hhdr->hb_sz; /* Normally set only once. */ - } - bit_no = MARK_BIT_NO((ptr_t)p - (ptr_t)h, sz); - if (mark_bit_from_hdr(hhdr, bit_no)) { - size_t n_marks = hhdr -> hb_n_marks - 1; - clear_mark_bit_from_hdr(hhdr, bit_no); -# ifdef PARALLEL_MARK - /* Appr. count, don't decrement to zero! */ - if (0 != n_marks) { - hhdr -> hb_n_marks = n_marks; - } -# else - hhdr -> hb_n_marks = n_marks; -# endif - } - GC_bytes_found -= sz; - } -} - -#if defined(GC_ASSERTIONS) && defined(THREADS) && defined(THREAD_LOCAL_ALLOC) -extern void GC_check_tls(void); -#endif - -/* Finish up a collection. Assumes lock is held, signals are disabled, */ -/* but the world is otherwise running. */ -void GC_finish_collection() -{ - CLOCK_TYPE start_time; - CLOCK_TYPE finalize_time; - CLOCK_TYPE done_time; - -# if defined(GC_ASSERTIONS) && defined(THREADS) \ - && defined(THREAD_LOCAL_ALLOC) && !defined(DBG_HDRS_ALL) - /* Check that we marked some of our own data. */ - /* FIXME: Add more checks. */ - GC_check_tls(); -# endif - - if (GC_print_stats) - GET_TIME(start_time); - - GC_bytes_found = 0; -# if defined(LINUX) && defined(__ELF__) && !defined(SMALL_CONFIG) - if (getenv("GC_PRINT_ADDRESS_MAP") != 0) { - GC_print_address_map(); - } -# endif - COND_DUMP; - if (GC_find_leak) { - /* Mark all objects on the free list. All objects should be */ - /* marked when we're done. */ - { - word size; /* current object size */ - unsigned kind; - ptr_t q; - - for (kind = 0; kind < GC_n_kinds; kind++) { - for (size = 1; size <= MAXOBJGRANULES; size++) { - q = GC_obj_kinds[kind].ok_freelist[size]; - if (q != 0) GC_set_fl_marks(q); - } - } - } - GC_start_reclaim(TRUE); - /* The above just checks; it doesn't really reclaim anything. */ - } - - GC_finalize(); -# ifdef STUBBORN_ALLOC - GC_clean_changing_list(); -# endif - - if (GC_print_stats) - GET_TIME(finalize_time); - - if (GC_print_back_height) { -# ifdef MAKE_BACK_GRAPH - GC_traverse_back_graph(); -# else -# ifndef SMALL_CONFIG - GC_err_printf("Back height not available: " - "Rebuild collector with -DMAKE_BACK_GRAPH\n"); -# endif -# endif - } - - /* Clear free list mark bits, in case they got accidentally marked */ - /* (or GC_find_leak is set and they were intentionally marked). */ - /* Also subtract memory remaining from GC_bytes_found count. */ - /* Note that composite objects on free list are cleared. */ - /* Thus accidentally marking a free list is not a problem; only */ - /* objects on the list itself will be marked, and that's fixed here. */ - { - word size; /* current object size */ - ptr_t q; /* pointer to current object */ - unsigned kind; - - for (kind = 0; kind < GC_n_kinds; kind++) { - for (size = 1; size <= MAXOBJGRANULES; size++) { - q = GC_obj_kinds[kind].ok_freelist[size]; - if (q != 0) GC_clear_fl_marks(q); - } - } - } - - - if (GC_print_stats == VERBOSE) - GC_log_printf("Bytes recovered before sweep - f.l. count = %ld\n", - (long)GC_bytes_found); - - /* Reconstruct free lists to contain everything not marked */ - GC_start_reclaim(FALSE); - if (GC_print_stats) { - GC_log_printf("Heap contains %lu pointer-containing " - "+ %lu pointer-free reachable bytes\n", - (unsigned long)GC_composite_in_use, - (unsigned long)GC_atomic_in_use); - } - if (GC_is_full_gc) { - GC_used_heap_size_after_full = USED_HEAP_SIZE; - GC_need_full_gc = FALSE; - } else { - GC_need_full_gc = - USED_HEAP_SIZE - GC_used_heap_size_after_full - > min_bytes_allocd(); - } - - if (GC_print_stats == VERBOSE) { - GC_log_printf( - "Immediately reclaimed %ld bytes in heap of size %lu bytes", - (long)GC_bytes_found, - (unsigned long)GC_heapsize); -# ifdef USE_MUNMAP - GC_log_printf("(%lu unmapped)", (unsigned long)GC_unmapped_bytes); -# endif - GC_log_printf("\n"); - } - - /* Reset or increment counters for next cycle */ - GC_n_attempts = 0; - GC_is_full_gc = FALSE; - GC_bytes_allocd_before_gc += GC_bytes_allocd; - GC_non_gc_bytes_at_gc = GC_non_gc_bytes; - GC_bytes_allocd = 0; - GC_bytes_dropped = 0; - GC_bytes_freed = 0; - GC_finalizer_bytes_freed = 0; - -# ifdef USE_MUNMAP - GC_unmap_old(); -# endif - if (GC_print_stats) { - GET_TIME(done_time); - GC_log_printf("Finalize + initiate sweep took %lu + %lu msecs\n", - MS_TIME_DIFF(finalize_time,start_time), - MS_TIME_DIFF(done_time,finalize_time)); - } -} - -/* Externally callable routine to invoke full, stop-world collection */ -int GC_try_to_collect(GC_stop_func stop_func) -{ - int result; - DCL_LOCK_STATE; - - if (!GC_is_initialized) GC_init(); - if (GC_debugging_started) GC_print_all_smashed(); - GC_INVOKE_FINALIZERS(); - LOCK(); - ENTER_GC(); - if (!GC_is_initialized) GC_init_inner(); - /* Minimize junk left in my registers */ - GC_noop(0,0,0,0,0,0); - result = (int)GC_try_to_collect_inner(stop_func); - EXIT_GC(); - UNLOCK(); - if(result) { - if (GC_debugging_started) GC_print_all_smashed(); - GC_INVOKE_FINALIZERS(); - } - return(result); -} - -void GC_gcollect(void) -{ - (void)GC_try_to_collect(GC_never_stop_func); - if (GC_have_errors) GC_print_all_errors(); -} - -word GC_n_heap_sects = 0; /* Number of sections currently in heap. */ - -#ifdef USE_PROC_FOR_LIBRARIES - word GC_n_memory = 0; /* Number of GET_MEM allocated memory */ - /* sections. */ -#endif - -#ifdef USE_PROC_FOR_LIBRARIES - /* Add HBLKSIZE aligned, GET_MEM-generated block to GC_our_memory. */ - /* Defined to do nothing if USE_PROC_FOR_LIBRARIES not set. */ - void GC_add_to_our_memory(ptr_t p, size_t bytes) - { - if (0 == p) return; - GC_our_memory[GC_n_memory].hs_start = p; - GC_our_memory[GC_n_memory].hs_bytes = bytes; - GC_n_memory++; - } -#endif -/* - * Use the chunk of memory starting at p of size bytes as part of the heap. - * Assumes p is HBLKSIZE aligned, and bytes is a multiple of HBLKSIZE. - */ -void GC_add_to_heap(struct hblk *p, size_t bytes) -{ - hdr * phdr; - word endp; - - if (GC_n_heap_sects >= MAX_HEAP_SECTS) { - ABORT("Too many heap sections: Increase MAXHINCR or MAX_HEAP_SECTS"); - } - while ((word)p <= HBLKSIZE) { - /* Can't handle memory near address zero. */ - ++p; - bytes -= HBLKSIZE; - if (0 == bytes) return; - } - endp = (word)p + bytes; - if (endp <= (word)p) { - /* Address wrapped. */ - bytes -= HBLKSIZE; - if (0 == bytes) return; - endp -= HBLKSIZE; - } - phdr = GC_install_header(p); - if (0 == phdr) { - /* This is extremely unlikely. Can't add it. This will */ - /* almost certainly result in a 0 return from the allocator, */ - /* which is entirely appropriate. */ - return; - } - GC_ASSERT(endp > (word)p && endp == (word)p + bytes); - GC_heap_sects[GC_n_heap_sects].hs_start = (ptr_t)p; - GC_heap_sects[GC_n_heap_sects].hs_bytes = bytes; - GC_n_heap_sects++; - phdr -> hb_sz = bytes; - phdr -> hb_flags = 0; - GC_freehblk(p); - GC_heapsize += bytes; - if ((ptr_t)p <= (ptr_t)GC_least_plausible_heap_addr - || GC_least_plausible_heap_addr == 0) { - GC_least_plausible_heap_addr = (void *)((ptr_t)p - sizeof(word)); - /* Making it a little smaller than necessary prevents */ - /* us from getting a false hit from the variable */ - /* itself. There's some unintentional reflection */ - /* here. */ - } - if ((ptr_t)p + bytes >= (ptr_t)GC_greatest_plausible_heap_addr) { - GC_greatest_plausible_heap_addr = (void *)endp; - } -} - -# if !defined(NO_DEBUGGING) -void GC_print_heap_sects(void) -{ - unsigned i; - - GC_printf("Total heap size: %lu\n", (unsigned long) GC_heapsize); - for (i = 0; i < GC_n_heap_sects; i++) { - ptr_t start = GC_heap_sects[i].hs_start; - size_t len = GC_heap_sects[i].hs_bytes; - struct hblk *h; - unsigned nbl = 0; - - GC_printf("Section %d from %p to %p ", i, - start, start + len); - for (h = (struct hblk *)start; h < (struct hblk *)(start + len); h++) { - if (GC_is_black_listed(h, HBLKSIZE)) nbl++; - } - GC_printf("%lu/%lu blacklisted\n", (unsigned long)nbl, - (unsigned long)(len/HBLKSIZE)); - } -} -# endif - -void * GC_least_plausible_heap_addr = (void *)ONES; -void * GC_greatest_plausible_heap_addr = 0; - -static INLINE word GC_max(word x, word y) -{ - return(x > y? x : y); -} - -static INLINE word GC_min(word x, word y) -{ - return(x < y? x : y); -} - -void GC_set_max_heap_size(GC_word n) -{ - GC_max_heapsize = n; -} - -GC_word GC_max_retries = 0; - -/* - * this explicitly increases the size of the heap. It is used - * internally, but may also be invoked from GC_expand_hp by the user. - * The argument is in units of HBLKSIZE. - * Tiny values of n are rounded up. - * Returns FALSE on failure. - */ -GC_bool GC_expand_hp_inner(word n) -{ - word bytes; - struct hblk * space; - word expansion_slop; /* Number of bytes by which we expect the */ - /* heap to expand soon. */ - - if (n < MINHINCR) n = MINHINCR; - bytes = n * HBLKSIZE; - /* Make sure bytes is a multiple of GC_page_size */ - { - word mask = GC_page_size - 1; - bytes += mask; - bytes &= ~mask; - } - - if (GC_max_heapsize != 0 && GC_heapsize + bytes > GC_max_heapsize) { - /* Exceeded self-imposed limit */ - return(FALSE); - } - space = GET_MEM(bytes); - GC_add_to_our_memory((ptr_t)space, bytes); - if( space == 0 ) { - if (GC_print_stats) { - GC_log_printf("Failed to expand heap by %ld bytes\n", - (unsigned long)bytes); - } - return(FALSE); - } - if (GC_print_stats) { - GC_log_printf("Increasing heap size by %lu after %lu allocated bytes\n", - (unsigned long)bytes, - (unsigned long)GC_bytes_allocd); - } - /* Adjust heap limits generously for blacklisting to work better. */ - /* GC_add_to_heap performs minimal adjustment need for correctness. */ - expansion_slop = min_bytes_allocd() + 4*MAXHINCR*HBLKSIZE; - if ((GC_last_heap_addr == 0 && !((word)space & SIGNB)) - || (GC_last_heap_addr != 0 && GC_last_heap_addr < (ptr_t)space)) { - /* Assume the heap is growing up */ - word new_limit = (word)space + bytes + expansion_slop; - if (new_limit > (word)space) { - GC_greatest_plausible_heap_addr = - (void *)GC_max((word)GC_greatest_plausible_heap_addr, - (word)new_limit); - } - } else { - /* Heap is growing down */ - word new_limit = (word)space - expansion_slop; - if (new_limit < (word)space) { - GC_least_plausible_heap_addr = - (void *)GC_min((word)GC_least_plausible_heap_addr, - (word)space - expansion_slop); - } - } - GC_prev_heap_addr = GC_last_heap_addr; - GC_last_heap_addr = (ptr_t)space; - GC_add_to_heap(space, bytes); - /* Force GC before we are likely to allocate past expansion_slop */ - GC_collect_at_heapsize = - GC_heapsize + expansion_slop - 2*MAXHINCR*HBLKSIZE; -# if defined(LARGE_CONFIG) - if (GC_collect_at_heapsize < GC_heapsize /* wrapped */) - GC_collect_at_heapsize = (word)(-1); -# endif - return(TRUE); -} - -/* Really returns a bool, but it's externally visible, so that's clumsy. */ -/* Arguments is in bytes. */ -int GC_expand_hp(size_t bytes) -{ - int result; - DCL_LOCK_STATE; - - LOCK(); - if (!GC_is_initialized) GC_init_inner(); - result = (int)GC_expand_hp_inner(divHBLKSZ((word)bytes)); - if (result) GC_requested_heapsize += bytes; - UNLOCK(); - return(result); -} - -unsigned GC_fail_count = 0; - /* How many consecutive GC/expansion failures? */ - /* Reset by GC_allochblk. */ - -GC_bool GC_collect_or_expand(word needed_blocks, GC_bool ignore_off_page) -{ - if (!GC_incremental && !GC_dont_gc && - ((GC_dont_expand && GC_bytes_allocd > 0) || GC_should_collect())) { - GC_gcollect_inner(); - } else { - word blocks_to_get = GC_heapsize/(HBLKSIZE*GC_free_space_divisor) - + needed_blocks; - - if (blocks_to_get > MAXHINCR) { - word slop; - - /* Get the minimum required to make it likely that we */ - /* can satisfy the current request in the presence of black- */ - /* listing. This will probably be more than MAXHINCR. */ - if (ignore_off_page) { - slop = 4; - } else { - slop = 2*divHBLKSZ(BL_LIMIT); - if (slop > needed_blocks) slop = needed_blocks; - } - if (needed_blocks + slop > MAXHINCR) { - blocks_to_get = needed_blocks + slop; - } else { - blocks_to_get = MAXHINCR; - } - } - if (!GC_expand_hp_inner(blocks_to_get) - && !GC_expand_hp_inner(needed_blocks)) { - if (GC_fail_count++ < GC_max_retries) { - WARN("Out of Memory! Trying to continue ...\n", 0); - GC_gcollect_inner(); - } else { -# if !defined(AMIGA) || !defined(GC_AMIGA_FASTALLOC) - WARN("Out of Memory! Returning NIL!\n", 0); -# endif - return(FALSE); - } - } else { - if (GC_fail_count && GC_print_stats) { - GC_printf("Memory available again ...\n"); - } - } - } - return(TRUE); -} - -/* - * Make sure the object free list for size gran (in granules) is not empty. - * Return a pointer to the first object on the free list. - * The object MUST BE REMOVED FROM THE FREE LIST BY THE CALLER. - * Assumes we hold the allocator lock and signals are disabled. - * - */ -ptr_t GC_allocobj(size_t gran, int kind) -{ - void ** flh = &(GC_obj_kinds[kind].ok_freelist[gran]); - GC_bool tried_minor = FALSE; - - if (gran == 0) return(0); - - while (*flh == 0) { - ENTER_GC(); - /* Do our share of marking work */ - if(TRUE_INCREMENTAL) GC_collect_a_little_inner(1); - /* Sweep blocks for objects of this size */ - GC_continue_reclaim(gran, kind); - EXIT_GC(); - if (*flh == 0) { - GC_new_hblk(gran, kind); - } - if (*flh == 0) { - ENTER_GC(); - if (GC_incremental && GC_time_limit == GC_TIME_UNLIMITED - && ! tried_minor ) { - GC_collect_a_little_inner(1); - tried_minor = TRUE; - } else { - if (!GC_collect_or_expand((word)1,FALSE)) { - EXIT_GC(); - return(0); - } - } - EXIT_GC(); - } - } - /* Successful allocation; reset failure count. */ - GC_fail_count = 0; - - return(*flh); -} diff --git a/vendor/gc/alpha_mach_dep.S b/vendor/gc/alpha_mach_dep.S deleted file mode 100644 index d4def24..0000000 --- a/vendor/gc/alpha_mach_dep.S +++ /dev/null @@ -1,86 +0,0 @@ - .arch ev6 - - .text - .align 4 - .globl GC_push_regs - .ent GC_push_regs 2 -GC_push_regs: - ldgp $gp, 0($27) - lda $sp, -16($sp) - stq $26, 0($sp) - .mask 0x04000000, 0 - .frame $sp, 16, $26, 0 - -/* $0 integer result */ -/* $1-$8 temp regs - not preserved cross calls */ -/* $9-$15 call saved regs */ -/* $16-$21 argument regs - not preserved cross calls */ -/* $22-$28 temp regs - not preserved cross calls */ -/* $29 global pointer - not preserved cross calls */ -/* $30 stack pointer */ - -# define call_push(x) \ - mov x, $16; \ - jsr $26, GC_push_one; \ - ldgp $gp, 0($26) - - call_push($9) - call_push($10) - call_push($11) - call_push($12) - call_push($13) - call_push($14) - call_push($15) - -/* $f0-$f1 floating point results */ -/* $f2-$f9 call saved regs */ -/* $f10-$f30 temp regs - not preserved cross calls */ - - /* Use the most efficient transfer method for this hardware. */ - /* Bit 1 detects the FIX extension, which includes ftoit. */ - amask 2, $0 - bne $0, $use_stack - -#undef call_push -#define call_push(x) \ - ftoit x, $16; \ - jsr $26, GC_push_one; \ - ldgp $gp, 0($26) - - call_push($f2) - call_push($f3) - call_push($f4) - call_push($f5) - call_push($f6) - call_push($f7) - call_push($f8) - call_push($f9) - - ldq $26, 0($sp) - lda $sp, 16($sp) - ret $31, ($26), 1 - - .align 4 -$use_stack: - -#undef call_push -#define call_push(x) \ - stt x, 8($sp); \ - ldq $16, 8($sp); \ - jsr $26, GC_push_one; \ - ldgp $gp, 0($26) - - call_push($f2) - call_push($f3) - call_push($f4) - call_push($f5) - call_push($f6) - call_push($f7) - call_push($f8) - call_push($f9) - - ldq $26, 0($sp) - lda $sp, 16($sp) - ret $31, ($26), 1 - - .end GC_push_regs diff --git a/vendor/gc/backgraph.c b/vendor/gc/backgraph.c deleted file mode 100644 index 92d09e0..0000000 --- a/vendor/gc/backgraph.c +++ /dev/null @@ -1,475 +0,0 @@ -/* - * Copyright (c) 2001 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -/* - * This implements a full, though not well-tuned, representation of the - * backwards points-to graph. This is used to test for non-GC-robust - * data structures; the code is not used during normal garbage collection. - * - * One restriction is that we drop all back-edges from nodes with very - * high in-degree, and simply add them add them to a list of such - * nodes. They are then treated as permanent roots. Id this by itself - * doesn't introduce a space leak, then such nodes can't contribute to - * a growing space leak. - */ - -#ifdef MAKE_BACK_GRAPH - -#define MAX_IN 10 /* Maximum in-degree we handle directly */ - -#include "private/dbg_mlc.h" -#include - -#if !defined(DBG_HDRS_ALL) || (ALIGNMENT != CPP_WORDSZ/8) || !defined(UNIX_LIKE) -# error Configuration doesnt support MAKE_BACK_GRAPH -#endif - -/* We store single back pointers directly in the object's oh_bg_ptr field. */ -/* If there is more than one ptr to an object, we store q | FLAG_MANY, */ -/* where q is a pointer to a back_edges object. */ -/* Every once in a while we use a back_edges object even for a single */ -/* pointer, since we need the other fields in the back_edges structure to */ -/* be present in some fraction of the objects. Otherwise we get serious */ -/* performance issues. */ -#define FLAG_MANY 2 - -typedef struct back_edges_struct { - word n_edges; /* Number of edges, including those in continuation */ - /* structures. */ - unsigned short flags; -# define RETAIN 1 /* Directly points to a reachable object; */ - /* retain for next GC. */ - unsigned short height_gc_no; - /* If height > 0, then the GC_gc_no value when it */ - /* was computed. If it was computed this cycle, then */ - /* it is current. If it was computed during the */ - /* last cycle, then it represents the old height, */ - /* which is only saved for live objects referenced by */ - /* dead ones. This may grow due to refs from newly */ - /* dead objects. */ - signed_word height; - /* Longest path through unreachable nodes to this node */ - /* that we found using depth first search. */ - -# define HEIGHT_UNKNOWN ((signed_word)(-2)) -# define HEIGHT_IN_PROGRESS ((signed_word)(-1)) - ptr_t edges[MAX_IN]; - struct back_edges_struct *cont; - /* Pointer to continuation structure; we use only the */ - /* edges field in the continuation. */ - /* also used as free list link. */ -} back_edges; - -/* Allocate a new back edge structure. Should be more sophisticated */ -/* if this were production code. */ -#define MAX_BACK_EDGE_STRUCTS 100000 -static back_edges *back_edge_space = 0; -int GC_n_back_edge_structs = 0; /* Serves as pointer to never used */ - /* back_edges space. */ -static back_edges *avail_back_edges = 0; - /* Pointer to free list of deallocated */ - /* back_edges structures. */ - -static back_edges * new_back_edges(void) -{ - if (0 == back_edge_space) { - back_edge_space = (back_edges *) - GET_MEM(MAX_BACK_EDGE_STRUCTS*sizeof(back_edges)); - GC_add_to_our_memory((ptr_t)back_edge_space, - MAX_BACK_EDGE_STRUCTS*sizeof(back_edges)); - } - if (0 != avail_back_edges) { - back_edges * result = avail_back_edges; - avail_back_edges = result -> cont; - result -> cont = 0; - return result; - } - if (GC_n_back_edge_structs >= MAX_BACK_EDGE_STRUCTS - 1) { - ABORT("needed too much space for back edges: adjust " - "MAX_BACK_EDGE_STRUCTS"); - } - return back_edge_space + (GC_n_back_edge_structs++); -} - -/* Deallocate p and its associated continuation structures. */ -static void deallocate_back_edges(back_edges *p) -{ - back_edges *last = p; - - while (0 != last -> cont) last = last -> cont; - last -> cont = avail_back_edges; - avail_back_edges = p; -} - -/* Table of objects that are currently on the depth-first search */ -/* stack. Only objects with in-degree one are in this table. */ -/* Other objects are identified using HEIGHT_IN_PROGRESS. */ -/* FIXME: This data structure NEEDS IMPROVEMENT. */ -#define INITIAL_IN_PROGRESS 10000 -static ptr_t * in_progress_space = 0; -static size_t in_progress_size = 0; -static size_t n_in_progress = 0; - -static void push_in_progress(ptr_t p) -{ - if (n_in_progress >= in_progress_size) - if (in_progress_size == 0) { - in_progress_size = INITIAL_IN_PROGRESS; - in_progress_space = (ptr_t *)GET_MEM(in_progress_size * sizeof(ptr_t)); - GC_add_to_our_memory((ptr_t)in_progress_space, - in_progress_size * sizeof(ptr_t)); - } else { - ptr_t * new_in_progress_space; - in_progress_size *= 2; - new_in_progress_space = (ptr_t *) - GET_MEM(in_progress_size * sizeof(ptr_t)); - GC_add_to_our_memory((ptr_t)new_in_progress_space, - in_progress_size * sizeof(ptr_t)); - BCOPY(in_progress_space, new_in_progress_space, - n_in_progress * sizeof(ptr_t)); - in_progress_space = new_in_progress_space; - /* FIXME: This just drops the old space. */ - } - if (in_progress_space == 0) - ABORT("MAKE_BACK_GRAPH: Out of in-progress space: " - "Huge linear data structure?"); - in_progress_space[n_in_progress++] = p; -} - -static GC_bool is_in_progress(ptr_t p) -{ - int i; - for (i = 0; i < n_in_progress; ++i) { - if (in_progress_space[i] == p) return TRUE; - } - return FALSE; -} - -static void pop_in_progress(ptr_t p) -{ - --n_in_progress; - GC_ASSERT(in_progress_space[n_in_progress] == p); -} - -#define GET_OH_BG_PTR(p) \ - (ptr_t)REVEAL_POINTER(((oh *)(p)) -> oh_bg_ptr) -#define SET_OH_BG_PTR(p,q) (((oh *)(p)) -> oh_bg_ptr) = HIDE_POINTER(q) - -/* Execute s once for each predecessor q of p in the points-to graph. */ -/* s should be a bracketed statement. We declare q. */ -#define FOR_EACH_PRED(q, p, s) \ - { \ - ptr_t q = GET_OH_BG_PTR(p); \ - if (!((word)q & FLAG_MANY)) { \ - if (q && !((word)q & 1)) s \ - /* !((word)q & 1) checks for a misnterpreted freelist link */ \ - } else { \ - back_edges *orig_be_ = (back_edges *)((word)q & ~FLAG_MANY); \ - back_edges *be_ = orig_be_; \ - int total_, local_; \ - int n_edges_ = be_ -> n_edges; \ - for (total_ = 0, local_ = 0; total_ < n_edges_; ++local_, ++total_) { \ - if (local_ == MAX_IN) { \ - be_ = be_ -> cont; \ - local_ = 0; \ - } \ - q = be_ -> edges[local_]; s \ - } \ - } \ - } - -/* Ensure that p has a back_edges structure associated with it. */ -static void ensure_struct(ptr_t p) -{ - ptr_t old_back_ptr = GET_OH_BG_PTR(p); - - if (!((word)old_back_ptr & FLAG_MANY)) { - back_edges *be = new_back_edges(); - be -> flags = 0; - if (0 == old_back_ptr) { - be -> n_edges = 0; - } else { - be -> n_edges = 1; - be -> edges[0] = old_back_ptr; - } - be -> height = HEIGHT_UNKNOWN; - be -> height_gc_no = GC_gc_no - 1; - GC_ASSERT(be >= back_edge_space); - SET_OH_BG_PTR(p, (word)be | FLAG_MANY); - } -} - -/* Add the (forward) edge from p to q to the backward graph. Both p */ -/* q are pointers to the object base, i.e. pointers to an oh. */ -static void add_edge(ptr_t p, ptr_t q) -{ - ptr_t old_back_ptr = GET_OH_BG_PTR(q); - back_edges * be, *be_cont; - word i; - static unsigned random_number = 13; -# define GOT_LUCKY_NUMBER (((++random_number) & 0x7f) == 0) - /* A not very random number we use to occasionally allocate a */ - /* back_edges structure even for a single backward edge. This */ - /* prevents us from repeatedly tracing back through very long */ - /* chains, since we will have some place to store height and */ - /* in_progress flags along the way. */ - - GC_ASSERT(p == GC_base(p) && q == GC_base(q)); - if (!GC_HAS_DEBUG_INFO(q) || !GC_HAS_DEBUG_INFO(p)) { - /* This is really a misinterpreted free list link, since we saw */ - /* a pointer to a free list. Dont overwrite it! */ - return; - } - if (0 == old_back_ptr) { - SET_OH_BG_PTR(q, p); - if (GOT_LUCKY_NUMBER) ensure_struct(q); - return; - } - /* Check whether it was already in the list of predecessors. */ - FOR_EACH_PRED(pred, q, { if (p == pred) return; }); - ensure_struct(q); - old_back_ptr = GET_OH_BG_PTR(q); - be = (back_edges *)((word)old_back_ptr & ~FLAG_MANY); - for (i = be -> n_edges, be_cont = be; i > MAX_IN; - be_cont = be_cont -> cont, i -= MAX_IN) {} - if (i == MAX_IN) { - be_cont -> cont = new_back_edges(); - be_cont = be_cont -> cont; - i = 0; - } - be_cont -> edges[i] = p; - be -> n_edges++; - if (be -> n_edges == 100) { -# if 0 - if (GC_print_stats) { - GC_err_printf("The following object has in-degree >= 100:\n"); - GC_print_heap_obj(q); - } -# endif - } -} - -typedef void (*per_object_func)(ptr_t p, size_t n_bytes, word gc_descr); - -static void per_object_helper(struct hblk *h, word fn) -{ - hdr * hhdr = HDR(h); - size_t sz = hhdr -> hb_sz; - word descr = hhdr -> hb_descr; - per_object_func f = (per_object_func)fn; - int i = 0; - - do { - f((ptr_t)(h -> hb_body + i), sz, descr); - i += sz; - } while (i + sz <= BYTES_TO_WORDS(HBLKSIZE)); -} - -void GC_apply_to_each_object(per_object_func f) -{ - GC_apply_to_all_blocks(per_object_helper, (word)f); -} - -static void reset_back_edge(ptr_t p, size_t n_bytes, word gc_descr) -{ - /* Skip any free list links, or dropped blocks */ - if (GC_HAS_DEBUG_INFO(p)) { - ptr_t old_back_ptr = GET_OH_BG_PTR(p); - if ((word)old_back_ptr & FLAG_MANY) { - back_edges *be = (back_edges *)((word)old_back_ptr & ~FLAG_MANY); - if (!(be -> flags & RETAIN)) { - deallocate_back_edges(be); - SET_OH_BG_PTR(p, 0); - } else { - word *currentp; - - GC_ASSERT(GC_is_marked(p)); - - /* Back edges may point to objects that will not be retained. */ - /* Delete them for now, but remember the height. */ - /* Some will be added back at next GC. */ - be -> n_edges = 0; - if (0 != be -> cont) { - deallocate_back_edges(be -> cont); - be -> cont = 0; - } - - GC_ASSERT(GC_is_marked(p)); - - /* We only retain things for one GC cycle at a time. */ - be -> flags &= ~RETAIN; - } - } else /* Simple back pointer */ { - /* Clear to avoid dangling pointer. */ - SET_OH_BG_PTR(p, 0); - } - } -} - -static void add_back_edges(ptr_t p, size_t n_bytes, word gc_descr) -{ - word *currentp = (word *)(p + sizeof(oh)); - - /* For now, fix up non-length descriptors conservatively. */ - if((gc_descr & GC_DS_TAGS) != GC_DS_LENGTH) { - gc_descr = n_bytes; - } - while (currentp < (word *)(p + gc_descr)) { - word current = *currentp++; - FIXUP_POINTER(current); - if (current >= (word)GC_least_plausible_heap_addr && - current <= (word)GC_greatest_plausible_heap_addr) { - ptr_t target = GC_base((void *)current); - if (0 != target) { - add_edge(p, target); - } - } - } -} - -/* Rebuild the representation of the backward reachability graph. */ -/* Does not examine mark bits. Can be called before GC. */ -void GC_build_back_graph(void) -{ - GC_apply_to_each_object(add_back_edges); -} - -/* Return an approximation to the length of the longest simple path */ -/* through unreachable objects to p. We refer to this as the height */ -/* of p. */ -static word backwards_height(ptr_t p) -{ - word result; - ptr_t back_ptr = GET_OH_BG_PTR(p); - back_edges *be; - - if (0 == back_ptr) return 1; - if (!((word)back_ptr & FLAG_MANY)) { - if (is_in_progress(p)) return 0; /* DFS back edge, i.e. we followed */ - /* an edge to an object already */ - /* on our stack: ignore */ - push_in_progress(p); - result = backwards_height(back_ptr)+1; - pop_in_progress(p); - return result; - } - be = (back_edges *)((word)back_ptr & ~FLAG_MANY); - if (be -> height >= 0 && be -> height_gc_no == GC_gc_no) - return be -> height; - /* Ignore back edges in DFS */ - if (be -> height == HEIGHT_IN_PROGRESS) return 0; - result = (be -> height > 0? be -> height : 1); - be -> height = HEIGHT_IN_PROGRESS; - FOR_EACH_PRED(q, p, { - word this_height; - if (GC_is_marked(q) && !(FLAG_MANY & (word)GET_OH_BG_PTR(p))) { - if (GC_print_stats) - GC_log_printf("Found bogus pointer from 0x%lx to 0x%lx\n", q, p); - /* Reachable object "points to" unreachable one. */ - /* Could be caused by our lax treatment of GC descriptors. */ - this_height = 1; - } else { - this_height = backwards_height(q); - } - if (this_height >= result) result = this_height + 1; - }); - be -> height = result; - be -> height_gc_no = GC_gc_no; - return result; -} - -word GC_max_height; -ptr_t GC_deepest_obj; - -/* Compute the maximum height of every unreachable predecessor p of a */ -/* reachable object. Arrange to save the heights of all such objects p */ -/* so that they can be used in calculating the height of objects in the */ -/* next GC. */ -/* Set GC_max_height to be the maximum height we encounter, and */ -/* GC_deepest_obj to be the corresponding object. */ -static void update_max_height(ptr_t p, size_t n_bytes, word gc_descr) -{ - if (GC_is_marked(p) && GC_HAS_DEBUG_INFO(p)) { - int i; - word p_height = 0; - ptr_t p_deepest_obj = 0; - ptr_t back_ptr; - back_edges *be = 0; - - /* If we remembered a height last time, use it as a minimum. */ - /* It may have increased due to newly unreachable chains pointing */ - /* to p, but it can't have decreased. */ - back_ptr = GET_OH_BG_PTR(p); - if (0 != back_ptr && ((word)back_ptr & FLAG_MANY)) { - be = (back_edges *)((word)back_ptr & ~FLAG_MANY); - if (be -> height != HEIGHT_UNKNOWN) p_height = be -> height; - } - FOR_EACH_PRED(q, p, { - if (!GC_is_marked(q) && GC_HAS_DEBUG_INFO(q)) { - word q_height; - - q_height = backwards_height(q); - if (q_height > p_height) { - p_height = q_height; - p_deepest_obj = q; - } - } - }); - if (p_height > 0) { - /* Remember the height for next time. */ - if (be == 0) { - ensure_struct(p); - back_ptr = GET_OH_BG_PTR(p); - be = (back_edges *)((word)back_ptr & ~FLAG_MANY); - } - be -> flags |= RETAIN; - be -> height = p_height; - be -> height_gc_no = GC_gc_no; - } - if (p_height > GC_max_height) { - GC_max_height = p_height; - GC_deepest_obj = p_deepest_obj; - } - } -} - -word GC_max_max_height = 0; - -void GC_traverse_back_graph(void) -{ - GC_max_height = 0; - GC_apply_to_each_object(update_max_height); - if (0 != GC_deepest_obj) - GC_set_mark_bit(GC_deepest_obj); /* Keep it until we can print it. */ -} - -void GC_print_back_graph_stats(void) -{ - GC_printf("Maximum backwards height of reachable objects at GC %lu is %ld\n", - (unsigned long) GC_gc_no, (unsigned long)GC_max_height); - if (GC_max_height > GC_max_max_height) { - GC_max_max_height = GC_max_height; - GC_printf("The following unreachable object is last in a longest chain " - "of unreachable objects:\n"); - GC_print_heap_obj(GC_deepest_obj); - } - if (GC_print_stats) { - GC_log_printf("Needed max total of %ld back-edge structs\n", - GC_n_back_edge_structs); - } - GC_apply_to_each_object(reset_back_edge); - GC_deepest_obj = 0; -} - -#endif /* MAKE_BACK_GRAPH */ diff --git a/vendor/gc/bdw-gc.pc b/vendor/gc/bdw-gc.pc deleted file mode 100644 index d863a5f..0000000 --- a/vendor/gc/bdw-gc.pc +++ /dev/null @@ -1,10 +0,0 @@ -prefix=/usr/local -exec_prefix=${prefix} -libdir=${exec_prefix}/lib -includedir=${prefix}/include - -Name: Boehm-Demers-Weiser Conservative Garbage Collector -Description: A garbage collector for C and C++ -Version: 7.1 -Libs: -L${libdir} -lgc -Cflags: -I${includedir} diff --git a/vendor/gc/bdw-gc.pc.in b/vendor/gc/bdw-gc.pc.in deleted file mode 100644 index ef4c234..0000000 --- a/vendor/gc/bdw-gc.pc.in +++ /dev/null @@ -1,10 +0,0 @@ -prefix=@prefix@ -exec_prefix=@exec_prefix@ -libdir=@libdir@ -includedir=@includedir@ - -Name: Boehm-Demers-Weiser Conservative Garbage Collector -Description: A garbage collector for C and C++ -Version: @PACKAGE_VERSION@ -Libs: -L${libdir} -lgc -Cflags: -I${includedir} diff --git a/vendor/gc/blacklst.c b/vendor/gc/blacklst.c deleted file mode 100644 index afcad9c..0000000 --- a/vendor/gc/blacklst.c +++ /dev/null @@ -1,285 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, August 9, 1995 6:09 pm PDT */ -# include "private/gc_priv.h" - -/* - * We maintain several hash tables of hblks that have had false hits. - * Each contains one bit per hash bucket; If any page in the bucket - * has had a false hit, we assume that all of them have. - * See the definition of page_hash_table in gc_private.h. - * False hits from the stack(s) are much more dangerous than false hits - * from elsewhere, since the former can pin a large object that spans the - * block, eventhough it does not start on the dangerous block. - */ - -/* - * Externally callable routines are: - - * GC_add_to_black_list_normal - * GC_add_to_black_list_stack - * GC_promote_black_lists - * GC_is_black_listed - * - * All require that the allocator lock is held. - */ - -/* Pointers to individual tables. We replace one table by another by */ -/* switching these pointers. */ -word * GC_old_normal_bl; - /* Nonstack false references seen at last full */ - /* collection. */ -word * GC_incomplete_normal_bl; - /* Nonstack false references seen since last */ - /* full collection. */ -word * GC_old_stack_bl; -word * GC_incomplete_stack_bl; - -word GC_total_stack_black_listed; - -word GC_black_list_spacing = MINHINCR*HBLKSIZE; /* Initial rough guess */ - -void GC_clear_bl(word *); - -void GC_default_print_heap_obj_proc(ptr_t p) -{ - ptr_t base = GC_base(p); - - GC_err_printf("start: %p, appr. length: %ld", base, - (unsigned long)GC_size(base)); -} - -void (*GC_print_heap_obj) (ptr_t p) = GC_default_print_heap_obj_proc; - -void GC_print_source_ptr(ptr_t p) -{ - ptr_t base = GC_base(p); - if (0 == base) { - if (0 == p) { - GC_err_printf("in register"); - } else { - GC_err_printf("in root set"); - } - } else { - GC_err_printf("in object at "); - (*GC_print_heap_obj)(base); - } -} - -void GC_bl_init(void) -{ - if (!GC_all_interior_pointers) { - GC_old_normal_bl = (word *) - GC_scratch_alloc((word)(sizeof (page_hash_table))); - GC_incomplete_normal_bl = (word *)GC_scratch_alloc - ((word)(sizeof(page_hash_table))); - if (GC_old_normal_bl == 0 || GC_incomplete_normal_bl == 0) { - GC_err_printf("Insufficient memory for black list\n"); - EXIT(); - } - GC_clear_bl(GC_old_normal_bl); - GC_clear_bl(GC_incomplete_normal_bl); - } - GC_old_stack_bl = (word *)GC_scratch_alloc((word)(sizeof(page_hash_table))); - GC_incomplete_stack_bl = (word *)GC_scratch_alloc - ((word)(sizeof(page_hash_table))); - if (GC_old_stack_bl == 0 || GC_incomplete_stack_bl == 0) { - GC_err_printf("Insufficient memory for black list\n"); - EXIT(); - } - GC_clear_bl(GC_old_stack_bl); - GC_clear_bl(GC_incomplete_stack_bl); -} - -void GC_clear_bl(word *doomed) -{ - BZERO(doomed, sizeof(page_hash_table)); -} - -void GC_copy_bl(word *old, word *new) -{ - BCOPY(old, new, sizeof(page_hash_table)); -} - -static word total_stack_black_listed(void); - -/* Signal the completion of a collection. Turn the incomplete black */ -/* lists into new black lists, etc. */ -void GC_promote_black_lists(void) -{ - word * very_old_normal_bl = GC_old_normal_bl; - word * very_old_stack_bl = GC_old_stack_bl; - - GC_old_normal_bl = GC_incomplete_normal_bl; - GC_old_stack_bl = GC_incomplete_stack_bl; - if (!GC_all_interior_pointers) { - GC_clear_bl(very_old_normal_bl); - } - GC_clear_bl(very_old_stack_bl); - GC_incomplete_normal_bl = very_old_normal_bl; - GC_incomplete_stack_bl = very_old_stack_bl; - GC_total_stack_black_listed = total_stack_black_listed(); - if (GC_print_stats == VERBOSE) - GC_log_printf("%ld bytes in heap blacklisted for interior pointers\n", - (unsigned long)GC_total_stack_black_listed); - if (GC_total_stack_black_listed != 0) { - GC_black_list_spacing = - HBLKSIZE*(GC_heapsize/GC_total_stack_black_listed); - } - if (GC_black_list_spacing < 3 * HBLKSIZE) { - GC_black_list_spacing = 3 * HBLKSIZE; - } - if (GC_black_list_spacing > MAXHINCR * HBLKSIZE) { - GC_black_list_spacing = MAXHINCR * HBLKSIZE; - /* Makes it easier to allocate really huge blocks, which otherwise */ - /* may have problems with nonuniform blacklist distributions. */ - /* This way we should always succeed immediately after growing the */ - /* heap. */ - } -} - -void GC_unpromote_black_lists(void) -{ - if (!GC_all_interior_pointers) { - GC_copy_bl(GC_old_normal_bl, GC_incomplete_normal_bl); - } - GC_copy_bl(GC_old_stack_bl, GC_incomplete_stack_bl); -} - -/* P is not a valid pointer reference, but it falls inside */ -/* the plausible heap bounds. */ -/* Add it to the normal incomplete black list if appropriate. */ -#ifdef PRINT_BLACK_LIST - void GC_add_to_black_list_normal(word p, ptr_t source) -#else - void GC_add_to_black_list_normal(word p) -#endif -{ - if (!(GC_modws_valid_offsets[p & (sizeof(word)-1)])) return; - { - word index = PHT_HASH((word)p); - - if (HDR(p) == 0 || get_pht_entry_from_index(GC_old_normal_bl, index)) { -# ifdef PRINT_BLACK_LIST - if (!get_pht_entry_from_index(GC_incomplete_normal_bl, index)) { - GC_err_printf( - "Black listing (normal) %p referenced from %p ", - (ptr_t) p, source); - GC_print_source_ptr(source); - GC_err_puts("\n"); - } -# endif - set_pht_entry_from_index(GC_incomplete_normal_bl, index); - } /* else this is probably just an interior pointer to an allocated */ - /* object, and isn't worth black listing. */ - } -} - -/* And the same for false pointers from the stack. */ -#ifdef PRINT_BLACK_LIST - void GC_add_to_black_list_stack(word p, ptr_t source) - ptr_t source; -#else - void GC_add_to_black_list_stack(word p) -#endif -{ - word index = PHT_HASH((word)p); - - if (HDR(p) == 0 || get_pht_entry_from_index(GC_old_stack_bl, index)) { -# ifdef PRINT_BLACK_LIST - if (!get_pht_entry_from_index(GC_incomplete_stack_bl, index)) { - GC_err_printf( - "Black listing (stack) %p referenced from %p ", - (ptr_t)p, source); - GC_print_source_ptr(source); - GC_err_puts("\n"); - } -# endif - set_pht_entry_from_index(GC_incomplete_stack_bl, index); - } -} - -/* - * Is the block starting at h of size len bytes black listed? If so, - * return the address of the next plausible r such that (r, len) might not - * be black listed. (R may not actually be in the heap. We guarantee only - * that every smaller value of r after h is also black listed.) - * If (h,len) is not black listed, return 0. - * Knows about the structure of the black list hash tables. - */ -struct hblk * GC_is_black_listed(struct hblk *h, word len) -{ - word index = PHT_HASH((word)h); - word i; - word nblocks = divHBLKSZ(len); - - if (!GC_all_interior_pointers) { - if (get_pht_entry_from_index(GC_old_normal_bl, index) - || get_pht_entry_from_index(GC_incomplete_normal_bl, index)) { - return(h+1); - } - } - - for (i = 0; ; ) { - if (GC_old_stack_bl[divWORDSZ(index)] == 0 - && GC_incomplete_stack_bl[divWORDSZ(index)] == 0) { - /* An easy case */ - i += WORDSZ - modWORDSZ(index); - } else { - if (get_pht_entry_from_index(GC_old_stack_bl, index) - || get_pht_entry_from_index(GC_incomplete_stack_bl, index)) { - return(h+i+1); - } - i++; - } - if (i >= nblocks) break; - index = PHT_HASH((word)(h+i)); - } - return(0); -} - - -/* Return the number of blacklisted blocks in a given range. */ -/* Used only for statistical purposes. */ -/* Looks only at the GC_incomplete_stack_bl. */ -word GC_number_stack_black_listed(struct hblk *start, struct hblk *endp1) -{ - register struct hblk * h; - word result = 0; - - for (h = start; h < endp1; h++) { - word index = PHT_HASH((word)h); - - if (get_pht_entry_from_index(GC_old_stack_bl, index)) result++; - } - return(result); -} - - -/* Return the total number of (stack) black-listed bytes. */ -static word total_stack_black_listed(void) -{ - register unsigned i; - word total = 0; - - for (i = 0; i < GC_n_heap_sects; i++) { - struct hblk * start = (struct hblk *) GC_heap_sects[i].hs_start; - size_t len = (word) GC_heap_sects[i].hs_bytes; - struct hblk * endp1 = start + len/HBLKSIZE; - - total += GC_number_stack_black_listed(start, endp1); - } - return(total * HBLKSIZE); -} - diff --git a/vendor/gc/callprocs b/vendor/gc/callprocs deleted file mode 100755 index a8793f0..0000000 --- a/vendor/gc/callprocs +++ /dev/null @@ -1,4 +0,0 @@ -#!/bin/sh -GC_DEBUG=1 -export GC_DEBUG -$* 2>&1 | awk '{print "0x3e=c\""$0"\""};/^\t##PC##=/ {if ($2 != 0) {print $2"?i"}}' | adb $1 | sed "s/^ >/>/" diff --git a/vendor/gc/checksums.c b/vendor/gc/checksums.c deleted file mode 100644 index 0942acb..0000000 --- a/vendor/gc/checksums.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * Copyright (c) 1992-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, March 29, 1995 12:51 pm PST */ -# ifdef CHECKSUMS - -# include "private/gc_priv.h" - -/* This is debugging code intended to verify the results of dirty bit */ -/* computations. Works only in a single threaded environment. */ -/* We assume that stubborn objects are changed only when they are */ -/* enabled for writing. (Certain kinds of writing are actually */ -/* safe under other conditions.) */ -# define NSUMS 10000 - -# define OFFSET 0x10000 - -typedef struct { - GC_bool new_valid; - word old_sum; - word new_sum; - struct hblk * block; /* Block to which this refers + OFFSET */ - /* to hide it from collector. */ -} page_entry; - -page_entry GC_sums [NSUMS]; - -word GC_checksum(h) -struct hblk *h; -{ - register word *p = (word *)h; - register word *lim = (word *)(h+1); - register word result = 0; - - while (p < lim) { - result += *p++; - } - return(result | 0x80000000 /* doesn't look like pointer */); -} - -# ifdef STUBBORN_ALLOC -/* Check whether a stubborn object from the given block appears on */ -/* the appropriate free list. */ -GC_bool GC_on_free_list(struct hblk *h) -struct hblk *h; -{ - hdr * hhdr = HDR(h); - int sz = BYTES_TO_WORDS(hhdr -> hb_sz); - ptr_t p; - - if (sz > MAXOBJWORDS) return(FALSE); - for (p = GC_sobjfreelist[sz]; p != 0; p = obj_link(p)) { - if (HBLKPTR(p) == h) return(TRUE); - } - return(FALSE); -} -# endif - -int GC_n_dirty_errors; -int GC_n_changed_errors; -int GC_n_clean; -int GC_n_dirty; - -void GC_update_check_page(struct hblk *h, int index) -{ - page_entry *pe = GC_sums + index; - register hdr * hhdr = HDR(h); - struct hblk *b; - - if (pe -> block != 0 && pe -> block != h + OFFSET) ABORT("goofed"); - pe -> old_sum = pe -> new_sum; - pe -> new_sum = GC_checksum(h); -# if !defined(MSWIN32) && !defined(MSWINCE) - if (pe -> new_sum != 0x80000000 && !GC_page_was_ever_dirty(h)) { - GC_printf("GC_page_was_ever_dirty(%p) is wrong\n", h); - } -# endif - if (GC_page_was_dirty(h)) { - GC_n_dirty++; - } else { - GC_n_clean++; - } - b = h; - while (IS_FORWARDING_ADDR_OR_NIL(hhdr) && hhdr != 0) { - b -= (word)hhdr; - hhdr = HDR(b); - } - if (pe -> new_valid - && hhdr != 0 && hhdr -> hb_descr != 0 /* may contain pointers */ - && pe -> old_sum != pe -> new_sum) { - if (!GC_page_was_dirty(h) || !GC_page_was_ever_dirty(h)) { - /* Set breakpoint here */GC_n_dirty_errors++; - } -# ifdef STUBBORN_ALLOC - if (!HBLK_IS_FREE(hhdr) - && hhdr -> hb_obj_kind == STUBBORN - && !GC_page_was_changed(h) - && !GC_on_free_list(h)) { - /* if GC_on_free_list(h) then reclaim may have touched it */ - /* without any allocations taking place. */ - /* Set breakpoint here */GC_n_changed_errors++; - } -# endif - } - pe -> new_valid = TRUE; - pe -> block = h + OFFSET; -} - -unsigned long GC_bytes_in_used_blocks; - -void GC_add_block(h, dummy) -struct hblk *h; -word dummy; -{ - hdr * hhdr = HDR(h); - bytes = hhdr -> hb_sz; - - bytes += HBLKSIZE-1; - bytes &= ~(HBLKSIZE-1); - GC_bytes_in_used_blocks += bytes; -} - -void GC_check_blocks() -{ - unsigned long bytes_in_free_blocks = GC_large_free_bytes; - - GC_bytes_in_used_blocks = 0; - GC_apply_to_all_blocks(GC_add_block, (word)0); - GC_printf("GC_bytes_in_used_blocks = %lu, bytes_in_free_blocks = %lu ", - GC_bytes_in_used_blocks, bytes_in_free_blocks); - GC_printf("GC_heapsize = %lu\n", (unsigned long)GC_heapsize); - if (GC_bytes_in_used_blocks + bytes_in_free_blocks != GC_heapsize) { - GC_printf("LOST SOME BLOCKS!!\n"); - } -} - -/* Should be called immediately after GC_read_dirty and GC_read_changed. */ -void GC_check_dirty() -{ - register int index; - register unsigned i; - register struct hblk *h; - register ptr_t start; - - GC_check_blocks(); - - GC_n_dirty_errors = 0; - GC_n_changed_errors = 0; - GC_n_clean = 0; - GC_n_dirty = 0; - - index = 0; - for (i = 0; i < GC_n_heap_sects; i++) { - start = GC_heap_sects[i].hs_start; - for (h = (struct hblk *)start; - h < (struct hblk *)(start + GC_heap_sects[i].hs_bytes); - h++) { - GC_update_check_page(h, index); - index++; - if (index >= NSUMS) goto out; - } - } -out: - GC_printf("Checked %lu clean and %lu dirty pages\n", - (unsigned long) GC_n_clean, (unsigned long) GC_n_dirty); - if (GC_n_dirty_errors > 0) { - GC_printf("Found %lu dirty bit errors\n", - (unsigned long)GC_n_dirty_errors); - } - if (GC_n_changed_errors > 0) { - GC_printf("Found %lu changed bit errors\n", - (unsigned long)GC_n_changed_errors); - GC_printf("These may be benign (provoked by nonpointer changes)\n"); -# ifdef THREADS - GC_printf( - "Also expect 1 per thread currently allocating a stubborn obj.\n"); -# endif - } -} - -# else - -extern int GC_quiet; - /* ANSI C doesn't allow translation units to be empty. */ - /* So we guarantee this one is nonempty. */ - -# endif /* CHECKSUMS */ diff --git a/vendor/gc/compile b/vendor/gc/compile deleted file mode 100755 index 3d21703..0000000 --- a/vendor/gc/compile +++ /dev/null @@ -1,142 +0,0 @@ -#! /bin/sh -# Wrapper for compilers which do not understand `-c -o'. - -scriptversion=2004-10-12.08 - -# Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc. -# Written by Tom Tromey . -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - -# This file is maintained in Automake, please report -# bugs to or send patches to -# . - -case $1 in - '') - echo "$0: No command. Try \`$0 --help' for more information." 1>&2 - exit 1; - ;; - -h | --h*) - cat <<\EOF -Usage: compile [--help] [--version] PROGRAM [ARGS] - -Wrapper for compilers which do not understand `-c -o'. -Remove `-o dest.o' from ARGS, run PROGRAM with the remaining -arguments, and rename the output as expected. - -If you are trying to build a whole package this is not the -right script to run: please start by reading the file `INSTALL'. - -Report bugs to . -EOF - exit 0 - ;; - -v | --v*) - echo "compile $scriptversion" - exit 0 - ;; -esac - -ofile= -cfile= -eat= - -for arg -do - if test -n "$eat"; then - eat= - else - case $1 in - -o) - # configure might choose to run compile as `compile cc -o foo foo.c'. - # So we strip `-o arg' only if arg is an object. - eat=1 - case $2 in - *.o | *.obj) - ofile=$2 - ;; - *) - set x "$@" -o "$2" - shift - ;; - esac - ;; - *.c) - cfile=$1 - set x "$@" "$1" - shift - ;; - *) - set x "$@" "$1" - shift - ;; - esac - fi - shift -done - -if test -z "$ofile" || test -z "$cfile"; then - # If no `-o' option was seen then we might have been invoked from a - # pattern rule where we don't need one. That is ok -- this is a - # normal compilation that the losing compiler can handle. If no - # `.c' file was seen then we are probably linking. That is also - # ok. - exec "$@" -fi - -# Name of file we expect compiler to create. -cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'` - -# Create the lock directory. -# Note: use `[/.-]' here to ensure that we don't use the same name -# that we are using for the .o file. Also, base the name on the expected -# object file name, since that is what matters with a parallel build. -lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d -while true; do - if mkdir "$lockdir" >/dev/null 2>&1; then - break - fi - sleep 1 -done -# FIXME: race condition here if user kills between mkdir and trap. -trap "rmdir '$lockdir'; exit 1" 1 2 15 - -# Run the compile. -"$@" -ret=$? - -if test -f "$cofile"; then - mv "$cofile" "$ofile" -elif test -f "${cofile}bj"; then - mv "${cofile}bj" "$ofile" -fi - -rmdir "$lockdir" -exit $ret - -# Local Variables: -# mode: shell-script -# sh-indentation: 2 -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" -# End: diff --git a/vendor/gc/config.guess b/vendor/gc/config.guess deleted file mode 100755 index 7924ac0..0000000 --- a/vendor/gc/config.guess +++ /dev/null @@ -1,1500 +0,0 @@ -#! /bin/sh -# Attempt to guess a canonical system name. -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, -# Inc. - -timestamp='2006-06-06' - -# This file is free software; you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA -# 02110-1301, USA. -# -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - - -# Originally written by Per Bothner . -# Please send patches to . Submit a context -# diff and a properly formatted ChangeLog entry. -# -# This script attempts to guess a canonical system name similar to -# config.sub. If it succeeds, it prints the system name on stdout, and -# exits with 0. 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break; - case 32: puts ("hppa2.0n"); break; - default: puts ("hppa2.0"); break; - } break; - #else /* !defined(_SC_KERNEL_BITS) */ - puts ("hppa2.0"); break; - #endif - default: puts ("hppa1.0"); break; - } - exit (0); - } -EOF - (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` - test -z "$HP_ARCH" && HP_ARCH=hppa - fi ;; - esac - if [ ${HP_ARCH} = "hppa2.0w" ] - then - eval $set_cc_for_build - - # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating - # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler - # generating 64-bit code. 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CPU_IS_PA_RISC returns correct - results, however. */ - if (CPU_IS_PA_RISC (cpu)) - { - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; - case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; - default: puts ("hppa-hitachi-hiuxwe2"); break; - } - } - else if (CPU_IS_HP_MC68K (cpu)) - puts ("m68k-hitachi-hiuxwe2"); - else puts ("unknown-hitachi-hiuxwe2"); - exit (0); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - echo unknown-hitachi-hiuxwe2 - exit ;; - 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) - echo hppa1.1-hp-bsd - exit ;; - 9000/8??:4.3bsd:*:*) - echo hppa1.0-hp-bsd - exit ;; - *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) - echo hppa1.0-hp-mpeix - exit ;; - hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) - echo hppa1.1-hp-osf - exit ;; - hp8??:OSF1:*:*) - echo hppa1.0-hp-osf - exit ;; - i*86:OSF1:*:*) - if [ -x /usr/sbin/sysversion ] ; then - echo ${UNAME_MACHINE}-unknown-osf1mk - else - echo ${UNAME_MACHINE}-unknown-osf1 - fi - exit ;; - parisc*:Lites*:*:*) - echo hppa1.1-hp-lites - exit ;; - C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) - echo c1-convex-bsd - exit ;; - C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) - echo c34-convex-bsd - exit ;; - C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) - echo c38-convex-bsd - exit ;; - C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) - echo c4-convex-bsd - exit ;; - CRAY*Y-MP:*:*:*) - echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*[A-Z]90:*:*:*) - echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ - | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ - -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ - -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*TS:*:*:*) - echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*T3E:*:*:*) - echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*SV1:*:*:*) - echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - *:UNICOS/mp:*:*) - echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) - FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` - echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - 5000:UNIX_System_V:4.*:*) - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` - echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) - echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} - exit ;; - sparc*:BSD/OS:*:*) - echo sparc-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:BSD/OS:*:*) - echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:FreeBSD:*:*) - case ${UNAME_MACHINE} in - pc98) - echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - amd64) - echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - *) - echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - esac - exit ;; - i*:CYGWIN*:*) - echo ${UNAME_MACHINE}-pc-cygwin - exit ;; - i*:MINGW*:*) - echo ${UNAME_MACHINE}-pc-mingw32 - exit ;; - i*:windows32*:*) - # uname -m includes "-pc" on this system. - echo ${UNAME_MACHINE}-mingw32 - exit ;; - i*:PW*:*) - echo ${UNAME_MACHINE}-pc-pw32 - exit ;; - x86:Interix*:[345]*) - echo i586-pc-interix${UNAME_RELEASE} - exit ;; - EM64T:Interix*:[345]*) - echo x86_64-unknown-interix${UNAME_RELEASE} - exit ;; - [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) - echo i${UNAME_MACHINE}-pc-mks - exit ;; - i*:Windows_NT*:* | Pentium*:Windows_NT*:*) - # How do we know it's Interix rather than the generic POSIX subsystem? - # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we - # UNAME_MACHINE based on the output of uname instead of i386? - echo i586-pc-interix - exit ;; - i*:UWIN*:*) - echo ${UNAME_MACHINE}-pc-uwin - exit ;; - amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) - echo x86_64-unknown-cygwin - exit ;; - p*:CYGWIN*:*) - echo powerpcle-unknown-cygwin - exit ;; - prep*:SunOS:5.*:*) - echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - *:GNU:*:*) - # the GNU system - echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` - exit ;; - *:GNU/*:*:*) - # other systems with GNU libc and userland - echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu - exit ;; - i*86:Minix:*:*) - echo ${UNAME_MACHINE}-pc-minix - exit ;; - arm*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - avr32*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - cris:Linux:*:*) - echo cris-axis-linux-gnu - exit ;; - crisv32:Linux:*:*) - echo crisv32-axis-linux-gnu - exit ;; - frv:Linux:*:*) - echo frv-unknown-linux-gnu - exit ;; - ia64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m32r*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m68*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - mips:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips - #undef mipsel - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mipsel - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips - #else - CPU= - #endif - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^CPU/{ - s: ::g - p - }'`" - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - mips64:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips64 - #undef mips64el - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mips64el - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips64 - #else - CPU= - #endif - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^CPU/{ - s: ::g - p - }'`" - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - or32:Linux:*:*) - echo or32-unknown-linux-gnu - exit ;; - ppc:Linux:*:*) - echo powerpc-unknown-linux-gnu - exit ;; - ppc64:Linux:*:*) - echo powerpc64-unknown-linux-gnu - exit ;; - alpha:Linux:*:*) - case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in - EV5) UNAME_MACHINE=alphaev5 ;; - EV56) UNAME_MACHINE=alphaev56 ;; - PCA56) UNAME_MACHINE=alphapca56 ;; - PCA57) UNAME_MACHINE=alphapca56 ;; - EV6) UNAME_MACHINE=alphaev6 ;; - EV67) UNAME_MACHINE=alphaev67 ;; - EV68*) UNAME_MACHINE=alphaev68 ;; - esac - objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null - if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi - echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} - exit ;; - parisc:Linux:*:* | hppa:Linux:*:*) - # Look for CPU level - case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in - PA7*) echo hppa1.1-unknown-linux-gnu ;; - PA8*) echo hppa2.0-unknown-linux-gnu ;; - *) echo hppa-unknown-linux-gnu ;; - esac - exit ;; - parisc64:Linux:*:* | hppa64:Linux:*:*) - echo hppa64-unknown-linux-gnu - exit ;; - s390:Linux:*:* | s390x:Linux:*:*) - echo ${UNAME_MACHINE}-ibm-linux - exit ;; - sh64*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - sh*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - sparc:Linux:*:* | sparc64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - vax:Linux:*:*) - echo ${UNAME_MACHINE}-dec-linux-gnu - exit ;; - x86_64:Linux:*:*) - echo x86_64-unknown-linux-gnu - exit ;; - i*86:Linux:*:*) - # The BFD linker knows what the default object file format is, so - # first see if it will tell us. cd to the root directory to prevent - # problems with other programs or directories called `ld' in the path. - # Set LC_ALL=C to ensure ld outputs messages in English. - ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \ - | sed -ne '/supported targets:/!d - s/[ ][ ]*/ /g - s/.*supported targets: *// - s/ .*// - p'` - case "$ld_supported_targets" in - elf32-i386) - TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu" - ;; - a.out-i386-linux) - echo "${UNAME_MACHINE}-pc-linux-gnuaout" - exit ;; - coff-i386) - echo "${UNAME_MACHINE}-pc-linux-gnucoff" - exit ;; - "") - # Either a pre-BFD a.out linker (linux-gnuoldld) or - # one that does not give us useful --help. - echo "${UNAME_MACHINE}-pc-linux-gnuoldld" - exit ;; - esac - # Determine whether the default compiler is a.out or elf - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - #ifdef __ELF__ - # ifdef __GLIBC__ - # if __GLIBC__ >= 2 - LIBC=gnu - # else - LIBC=gnulibc1 - # endif - # else - LIBC=gnulibc1 - # endif - #else - #if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) - LIBC=gnu - #else - LIBC=gnuaout - #endif - #endif - #ifdef __dietlibc__ - LIBC=dietlibc - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^LIBC/{ - s: ::g - p - }'`" - test x"${LIBC}" != x && { - echo "${UNAME_MACHINE}-pc-linux-${LIBC}" - exit - } - test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; } - ;; - i*86:DYNIX/ptx:4*:*) - # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. - # earlier versions are messed up and put the nodename in both - # sysname and nodename. - echo i386-sequent-sysv4 - exit ;; - i*86:UNIX_SV:4.2MP:2.*) - # Unixware is an offshoot of SVR4, but it has its own version - # number series starting with 2... - # I am not positive that other SVR4 systems won't match this, - # I just have to hope. -- rms. - # Use sysv4.2uw... so that sysv4* matches it. - echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} - exit ;; - i*86:OS/2:*:*) - # If we were able to find `uname', then EMX Unix compatibility - # is probably installed. - echo ${UNAME_MACHINE}-pc-os2-emx - exit ;; - i*86:XTS-300:*:STOP) - echo ${UNAME_MACHINE}-unknown-stop - exit ;; - i*86:atheos:*:*) - echo ${UNAME_MACHINE}-unknown-atheos - exit ;; - i*86:syllable:*:*) - echo ${UNAME_MACHINE}-pc-syllable - exit ;; - i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*) - echo i386-unknown-lynxos${UNAME_RELEASE} - exit ;; - i*86:*DOS:*:*) - echo ${UNAME_MACHINE}-pc-msdosdjgpp - exit ;; - i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) - UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` - if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then - echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} - else - echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} - fi - exit ;; - i*86:*:5:[678]*) - # UnixWare 7.x, OpenUNIX and OpenServer 6. - case `/bin/uname -X | grep "^Machine"` in - *486*) UNAME_MACHINE=i486 ;; - *Pentium) UNAME_MACHINE=i586 ;; - *Pent*|*Celeron) UNAME_MACHINE=i686 ;; - esac - echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} - exit ;; - i*86:*:3.2:*) - if test -f /usr/options/cb.name; then - UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then - UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` - (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 - (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ - && UNAME_MACHINE=i586 - (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ - && UNAME_MACHINE=i686 - (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ - && UNAME_MACHINE=i686 - echo ${UNAME_MACHINE}-pc-sco$UNAME_REL - else - echo ${UNAME_MACHINE}-pc-sysv32 - fi - exit ;; - pc:*:*:*) - # Left here for compatibility: - # uname -m prints for DJGPP always 'pc', but it prints nothing about - # the processor, so we play safe by assuming i386. - echo i386-pc-msdosdjgpp - exit ;; - Intel:Mach:3*:*) - echo i386-pc-mach3 - exit ;; - paragon:*:*:*) - echo i860-intel-osf1 - exit ;; - i860:*:4.*:*) # i860-SVR4 - if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then - echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 - else # Add other i860-SVR4 vendors below as they are discovered. - echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 - fi - exit ;; - mini*:CTIX:SYS*5:*) - # "miniframe" - echo m68010-convergent-sysv - exit ;; - mc68k:UNIX:SYSTEM5:3.51m) - echo m68k-convergent-sysv - exit ;; - M680?0:D-NIX:5.3:*) - echo m68k-diab-dnix - exit ;; - M68*:*:R3V[5678]*:*) - test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; - 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) - OS_REL='' - test -r /etc/.relid \ - && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` - /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ - && { echo i486-ncr-sysv4.3${OS_REL}; exit; } - /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ - && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; - 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) - /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ - && { echo i486-ncr-sysv4; exit; } ;; - m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) - echo m68k-unknown-lynxos${UNAME_RELEASE} - exit ;; - mc68030:UNIX_System_V:4.*:*) - echo m68k-atari-sysv4 - exit ;; - TSUNAMI:LynxOS:2.*:*) - echo sparc-unknown-lynxos${UNAME_RELEASE} - exit ;; - rs6000:LynxOS:2.*:*) - echo rs6000-unknown-lynxos${UNAME_RELEASE} - exit ;; - PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*) - echo powerpc-unknown-lynxos${UNAME_RELEASE} - exit ;; - SM[BE]S:UNIX_SV:*:*) - echo mips-dde-sysv${UNAME_RELEASE} - exit ;; - RM*:ReliantUNIX-*:*:*) - echo mips-sni-sysv4 - exit ;; - RM*:SINIX-*:*:*) - echo mips-sni-sysv4 - exit ;; - *:SINIX-*:*:*) - if uname -p 2>/dev/null >/dev/null ; then - UNAME_MACHINE=`(uname -p) 2>/dev/null` - echo ${UNAME_MACHINE}-sni-sysv4 - else - echo ns32k-sni-sysv - fi - exit ;; - PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort - # says - echo i586-unisys-sysv4 - exit ;; - *:UNIX_System_V:4*:FTX*) - # From Gerald Hewes . - # How about differentiating between stratus architectures? -djm - echo hppa1.1-stratus-sysv4 - exit ;; - *:*:*:FTX*) - # From seanf@swdc.stratus.com. - echo i860-stratus-sysv4 - exit ;; - i*86:VOS:*:*) - # From Paul.Green@stratus.com. - echo ${UNAME_MACHINE}-stratus-vos - exit ;; - *:VOS:*:*) - # From Paul.Green@stratus.com. - echo hppa1.1-stratus-vos - exit ;; - mc68*:A/UX:*:*) - echo m68k-apple-aux${UNAME_RELEASE} - exit ;; - news*:NEWS-OS:6*:*) - echo mips-sony-newsos6 - exit ;; - R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) - if [ -d /usr/nec ]; then - echo mips-nec-sysv${UNAME_RELEASE} - else - echo mips-unknown-sysv${UNAME_RELEASE} - fi - exit ;; - BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. - echo powerpc-be-beos - exit ;; - BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. - echo powerpc-apple-beos - exit ;; - BePC:BeOS:*:*) # BeOS running on Intel PC compatible. - echo i586-pc-beos - exit ;; - SX-4:SUPER-UX:*:*) - echo sx4-nec-superux${UNAME_RELEASE} - exit ;; - SX-5:SUPER-UX:*:*) - echo sx5-nec-superux${UNAME_RELEASE} - exit ;; - SX-6:SUPER-UX:*:*) - echo sx6-nec-superux${UNAME_RELEASE} - exit ;; - Power*:Rhapsody:*:*) - echo powerpc-apple-rhapsody${UNAME_RELEASE} - exit ;; - *:Rhapsody:*:*) - echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} - exit ;; - *:Darwin:*:*) - UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown - case $UNAME_PROCESSOR in - unknown) UNAME_PROCESSOR=powerpc ;; - esac - echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} - exit ;; - *:procnto*:*:* | *:QNX:[0123456789]*:*) - UNAME_PROCESSOR=`uname -p` - if test "$UNAME_PROCESSOR" = "x86"; then - UNAME_PROCESSOR=i386 - UNAME_MACHINE=pc - fi - echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} - exit ;; - *:QNX:*:4*) - echo i386-pc-qnx - exit ;; - NSE-?:NONSTOP_KERNEL:*:*) - echo nse-tandem-nsk${UNAME_RELEASE} - exit ;; - NSR-?:NONSTOP_KERNEL:*:*) - echo nsr-tandem-nsk${UNAME_RELEASE} - exit ;; - *:NonStop-UX:*:*) - echo mips-compaq-nonstopux - exit ;; - BS2000:POSIX*:*:*) - echo bs2000-siemens-sysv - exit ;; - DS/*:UNIX_System_V:*:*) - echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} - exit ;; - *:Plan9:*:*) - # "uname -m" is not consistent, so use $cputype instead. 386 - # is converted to i386 for consistency with other x86 - # operating systems. - if test "$cputype" = "386"; then - UNAME_MACHINE=i386 - else - UNAME_MACHINE="$cputype" - fi - echo ${UNAME_MACHINE}-unknown-plan9 - exit ;; - *:TOPS-10:*:*) - echo pdp10-unknown-tops10 - exit ;; - *:TENEX:*:*) - echo pdp10-unknown-tenex - exit ;; - KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) - echo pdp10-dec-tops20 - exit ;; - XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) - echo pdp10-xkl-tops20 - exit ;; - *:TOPS-20:*:*) - echo pdp10-unknown-tops20 - exit ;; - *:ITS:*:*) - echo pdp10-unknown-its - exit ;; - SEI:*:*:SEIUX) - echo mips-sei-seiux${UNAME_RELEASE} - exit ;; - *:DragonFly:*:*) - echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` - exit ;; - *:*VMS:*:*) - UNAME_MACHINE=`(uname -p) 2>/dev/null` - case "${UNAME_MACHINE}" in - A*) echo alpha-dec-vms ; exit ;; - I*) echo ia64-dec-vms ; exit ;; - V*) echo vax-dec-vms ; exit ;; - esac ;; - *:XENIX:*:SysV) - echo i386-pc-xenix - exit ;; - i*86:skyos:*:*) - echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' - exit ;; - i*86:rdos:*:*) - echo ${UNAME_MACHINE}-pc-rdos - exit ;; -esac - -#echo '(No uname command or uname output not recognized.)' 1>&2 -#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 - -eval $set_cc_for_build -cat >$dummy.c < -# include -#endif -main () -{ -#if defined (sony) -#if defined (MIPSEB) - /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, - I don't know.... */ - printf ("mips-sony-bsd\n"); exit (0); -#else -#include - printf ("m68k-sony-newsos%s\n", -#ifdef NEWSOS4 - "4" -#else - "" -#endif - ); exit (0); -#endif -#endif - -#if defined (__arm) && defined (__acorn) && defined (__unix) - printf ("arm-acorn-riscix\n"); exit (0); -#endif - -#if defined (hp300) && !defined (hpux) - printf ("m68k-hp-bsd\n"); exit (0); -#endif - -#if defined (NeXT) -#if !defined (__ARCHITECTURE__) -#define __ARCHITECTURE__ "m68k" -#endif - int version; - version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; - if (version < 4) - printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); - else - printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); - exit (0); -#endif - -#if defined (MULTIMAX) || defined (n16) -#if defined (UMAXV) - printf ("ns32k-encore-sysv\n"); exit (0); -#else -#if defined (CMU) - printf ("ns32k-encore-mach\n"); exit (0); -#else - printf ("ns32k-encore-bsd\n"); exit (0); -#endif -#endif -#endif - -#if defined (__386BSD__) - printf ("i386-pc-bsd\n"); exit (0); -#endif - -#if defined (sequent) -#if defined (i386) - printf ("i386-sequent-dynix\n"); exit (0); -#endif -#if defined (ns32000) - printf ("ns32k-sequent-dynix\n"); exit (0); -#endif -#endif - -#if defined (_SEQUENT_) - struct utsname un; - - uname(&un); - - if (strncmp(un.version, "V2", 2) == 0) { - printf ("i386-sequent-ptx2\n"); exit (0); - } - if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ - printf ("i386-sequent-ptx1\n"); exit (0); - } - printf ("i386-sequent-ptx\n"); exit (0); - -#endif - -#if defined (vax) -# if !defined (ultrix) -# include -# if defined (BSD) -# if BSD == 43 - printf ("vax-dec-bsd4.3\n"); exit (0); -# else -# if BSD == 199006 - printf ("vax-dec-bsd4.3reno\n"); exit (0); -# else - printf ("vax-dec-bsd\n"); exit (0); -# endif -# endif -# else - printf ("vax-dec-bsd\n"); exit (0); -# endif -# else - printf ("vax-dec-ultrix\n"); exit (0); -# endif -#endif - -#if defined (alliant) && defined (i860) - printf ("i860-alliant-bsd\n"); exit (0); -#endif - - exit (1); -} -EOF - -$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - -# Apollos put the system type in the environment. - -test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } - -# Convex versions that predate uname can use getsysinfo(1) - -if [ -x /usr/convex/getsysinfo ] -then - case `getsysinfo -f cpu_type` in - c1*) - echo c1-convex-bsd - exit ;; - c2*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - c34*) - echo c34-convex-bsd - exit ;; - c38*) - echo c38-convex-bsd - exit ;; - c4*) - echo c4-convex-bsd - exit ;; - esac -fi - -cat >&2 < in order to provide the needed -information to handle your system. - -config.guess timestamp = $timestamp - -uname -m = `(uname -m) 2>/dev/null || echo unknown` -uname -r = `(uname -r) 2>/dev/null || echo unknown` -uname -s = `(uname -s) 2>/dev/null || echo unknown` -uname -v = `(uname -v) 2>/dev/null || echo unknown` - -/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` -/bin/uname -X = `(/bin/uname -X) 2>/dev/null` - -hostinfo = `(hostinfo) 2>/dev/null` -/bin/universe = `(/bin/universe) 2>/dev/null` -/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` -/bin/arch = `(/bin/arch) 2>/dev/null` -/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` -/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` - -UNAME_MACHINE = ${UNAME_MACHINE} -UNAME_RELEASE = ${UNAME_RELEASE} -UNAME_SYSTEM = ${UNAME_SYSTEM} -UNAME_VERSION = ${UNAME_VERSION} -EOF - -exit 1 - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "timestamp='" -# time-stamp-format: "%:y-%02m-%02d" -# time-stamp-end: "'" -# End: diff --git a/vendor/gc/config.sub b/vendor/gc/config.sub deleted file mode 100755 index 70584b0..0000000 --- a/vendor/gc/config.sub +++ /dev/null @@ -1,1608 +0,0 @@ -#! /bin/sh -# Configuration validation subroutine script. -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, -# Inc. - -timestamp='2006-06-06' - -# This file is (in principle) common to ALL GNU software. -# The presence of a machine in this file suggests that SOME GNU software -# can handle that machine. 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See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA -# 02110-1301, USA. -# -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - - -# Please send patches to . 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Shared library support is disabled) - fi - ;; - alpha*-*-linux*) - machdep="mach_dep.lo" - ;; - i?86-*-solaris2.[[89]] | i?86-*-solaris2.1?) - AC_DEFINE(SOLARIS25_PROC_VDB_BUG_FIXED) - ;; - mipstx39-*-elf*) - machdep="mach_dep.lo" - AC_DEFINE(STACKBASE, __stackbase) - AC_DEFINE(DATASTART_IS_ETEXT) - ;; - mips-dec-ultrix*) - machdep="mach-dep.lo" - ;; - mips-nec-sysv*|mips-unknown-sysv*) - ;; - mips*-*-linux*) - ;; - mips-*-*) - machdep="mach_dep.lo" - dnl AC_DEFINE(NO_EXECUTE_PERMISSION) - dnl This is now redundant, but it is also important for incremental GC - dnl performance under Irix. - ;; - sparc-*-netbsd*) - machdep="mach_dep.lo sparc_netbsd_mach_dep.lo" - ;; - sparc-sun-solaris2.3) - machdep="mach_dep.lo sparc_mach_dep.lo" - AC_DEFINE(SUNOS53_SHARED_LIB) - ;; - sparc*-sun-solaris2.*) - machdep="mach_dep.lo sparc_mach_dep.lo" - ;; - ia64-*-*) - machdep="mach_dep.lo ia64_save_regs_in_stack.lo" - ;; -esac -if test x"$machdep" = x; then -AC_MSG_RESULT($machdep) - machdep="mach_dep.lo" -fi -addobjs="$addobjs $machdep" -AC_SUBST(addobjs) -AC_SUBST(addlibs) - -AC_PROG_LIBTOOL - -# -# Check for AViiON Machines running DGUX -# -ac_is_dgux=no -AC_CHECK_HEADER(sys/dg_sys_info.h, -[ac_is_dgux=yes;]) - - ## :GOTCHA: we do not check anything but sys/dg_sys_info.h -if test $ac_is_dgux = yes; then - if test "$enable_full_debug" = "yes"; then - CFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2" - CXXFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2" - else - CFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2" - CXXFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2" - fi - AC_SUBST(CFLAGS) - AC_SUBST(CXXFLAGS) -fi - -dnl We use these options to decide which functions to include. -AC_ARG_WITH(target-subdir, -[ --with-target-subdir=SUBDIR - configuring with a cross compiler]) -AC_ARG_WITH(cross-host, -[ --with-cross-host=HOST configuring with a cross compiler]) - -# automake wants to see AC_EXEEXT. But we don't need it. And having -# it is actually a problem, because the compiler we're passed can't -# necessarily do a full link. So we fool automake here. -if false; then - # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands - # to nothing, so nothing would remain between `then' and `fi' if it - # were not for the `:' below. - : - AC_EXEEXT -fi - -dnl As of 4.13a2, the collector will not properly work on Solaris when -dnl built with gcc and -O. So we remove -O in the appropriate case. -dnl Not needed anymore on Solaris. -AC_MSG_CHECKING(whether Solaris gcc optimization fix is necessary) -case "$host" in - *aix*) - if test "$GCC" = yes; then - AC_MSG_RESULT(yes) - new_CFLAGS= - for i in $CFLAGS; do - case "$i" in - -O*) - ;; - *) - new_CFLAGS="$new_CFLAGS $i" - ;; - esac - done - CFLAGS="$new_CFLAGS" - else - AC_MSG_RESULT(no) - fi - ;; - *) AC_MSG_RESULT(no) ;; -esac - -dnl Include defines that have become de facto standard. -dnl ALL_INTERIOR_POINTERS can be overridden in startup code. -AC_DEFINE(NO_EXECUTE_PERMISSION) -AC_DEFINE(ALL_INTERIOR_POINTERS) - - -dnl Interface Selection -dnl ------------------- -dnl -dnl By default, make the library as general as possible. -dnl enable_gcj_support=no -AC_ARG_ENABLE(gcj-support, - [AC_HELP_STRING([--disable-gcj-support], - [Disable support for gcj.])]) -AM_CONDITIONAL(ENABLE_GCJ_SUPPORT, - [test x"$enable_gcj_support" != xno]) -if test x"$enable_gcj_support" != xno; then - AC_DEFINE(GC_GCJ_SUPPORT, 1, [Define to include support for gcj]) -fi - -AC_ARG_ENABLE(java-finalization, - [AC_HELP_STRING([--disable-java-finalization], - [Disable support for java finalization.])]) -if test x"$enable_java_finalization" != xno; then - AC_DEFINE(JAVA_FINALIZATION) -fi - -AC_ARG_ENABLE(atomic-uncollectable, - [AC_HELP_STRING([--disable-atomic-uncollectible], - [Disable support for atomic uncollectible allocation.])]) -if test x"$enable_atomic_uncollectible" != x"no"; then - AC_DEFINE(ATOMIC_UNCOLLECTABLE, 1, - [Define to enable atomic uncollectible allocation.]) -fi - -AC_ARG_ENABLE(redirect-malloc, - [AC_HELP_STRING([--enable-redirect-malloc], - [Redirect malloc and friends to GC routines])]) - -if test "${enable_redirect_malloc}" = yes; then - if test "${enable_full_debug}" = yes; then - AC_DEFINE(REDIRECT_MALLOC, GC_debug_malloc_replacement) - AC_DEFINE(REDIRECT_REALLOC, GC_debug_realloc_replacement) - AC_DEFINE(REDIRECT_FREE, GC_debug_free) - else - AC_DEFINE(REDIRECT_MALLOC, GC_malloc) - fi - AC_DEFINE(GC_USE_DLOPEN_WRAP) -fi - -AC_ARG_ENABLE(large-config, - [AC_HELP_STRING([--enable-large-config], - [Optimize for large (> 100 MB) heap or root set])]) - -if test "${enable_large_config}" = yes; then - AC_DEFINE(LARGE_CONFIG, 1, [Define to optimize for large heaps or root sets]) -fi - -dnl This is something of a hack. When cross-compiling we turn off -dnl some functionality. We also enable the "small" configuration. -dnl These is only correct when targetting an embedded system. FIXME. -if test -n "${with_cross_host}"; then - AC_DEFINE(NO_CLOCK) - AC_DEFINE(SMALL_CONFIG) - AC_DEFINE(NO_DEBUGGING) -fi - - -dnl Debugging -dnl --------- - -UNWINDLIBS= -AC_ARG_ENABLE(gc-debug, -[AC_HELP_STRING([--enable-gc-debug], - [include full support for pointer backtracing etc.])], -[ if test "$enable_gc_debug" = "yes"; then - AC_MSG_WARN("Should define GC_DEBUG and use debug alloc. in clients.") - AC_DEFINE(KEEP_BACK_PTRS) - AC_DEFINE(DBG_HDRS_ALL) - case $host in - ia64-*-linux* ) - AC_DEFINE(MAKE_BACK_GRAPH) - AC_DEFINE(SAVE_CALL_COUNT, 8) - AC_CHECK_LIB(unwind, backtrace, [ - AC_DEFINE(GC_HAVE_BUILTIN_BACKTRACE) - UNWINDLIBS=-lunwind - AC_MSG_WARN("Client code may need to link against libunwind.") - ]) - ;; - x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* ) - AC_DEFINE(MAKE_BACK_GRAPH) - AC_MSG_WARN("Client must not use -fomit-frame-pointer.") - AC_DEFINE(SAVE_CALL_COUNT, 8) - ;; - i[3456]86-*-dgux*) - AC_DEFINE(MAKE_BACK_GRAPH) - ;; - esac ] - fi) - -AC_SUBST(UNWINDLIBS) - -AC_ARG_ENABLE(gc-assertions, - [AC_HELP_STRING([--enable-gc-assertions], - [collector-internal assertion checking])]) -if test "${enable_gc_assertions}" = yes; then - AC_DEFINE(GC_ASSERTIONS) -fi - -AC_ARG_ENABLE(munmap, - [AC_HELP_STRING([--enable-munmap=N], - [return page to the os if empty for N collections])], - MUNMAP_THRESHOLD=$enableval; - [case "$MMAP" in - no) - AC_MSG_ERROR([--enable-munmap requires --enable-mmap]) - ;; - esac] - ) -if test "${enable_munmap}" != ""; then - AC_DEFINE(USE_MMAP) - AC_DEFINE(USE_MUNMAP) - if test "${MUNMAP_THRESHOLD}" = "yes"; then - MUNMAP_THRESHOLD=6 - fi - AC_DEFINE_UNQUOTED(MUNMAP_THRESHOLD, ${MUNMAP_THRESHOLD}) -fi - -AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host") - - -dnl Atomic Ops -dnl ---------- - -atomic_ops_libs=-latomic_ops -AC_CHECK_HEADER(atomic_ops.h, - [ AC_MSG_NOTICE([Using pre-installed libatomic_ops]) ], - [ ao_dir= - for candidate in ${srcdir}/libatomic_ops*; do - case $candidate in - *.tar.gz) - ;; - *install) - dnl generated by alternate Makefile. - ;; - *) - if test -e "$candidate"; then - ao_dir="$candidate" - fi - ;; - esac - done - if test -z "$ao_dir"; then - AC_MSG_ERROR([Missig libatomic_ops.]) - fi - ao_version="${ao_dir#*libatomic_ops-}" - AC_MSG_NOTICE([Using internal version of libatomic_ops]) - - dnl Automake does not accept shell variables in AC_CONFIG_SUBDIRS - test -e libatomic_ops \ - || ln -s ${ao_dir} libatomic_ops - AC_CONFIG_SUBDIRS(libatomic_ops) - - dnl Also copy the source files to be linked in. - test -e atomic_ops.c \ - || ln -s libatomic_ops/src/atomic_ops.c \ - atomic_ops.c - - test -e atomic_ops_sysdeps.S \ - || ln -s libatomic_ops/src/atomic_ops_sysdeps.S \ - atomic_ops_sysdeps.S - - dnl This gets the source include files, which is often close enough. - dnl It also makes atomic_ops_sysdeps.S assemble. - GC_CFLAGS="${GC_CFLAGS} -I libatomic_ops/src" - maybe_libatomic_ops="libatomic_ops" - ]) - -AM_CONDITIONAL(USE_INTERNAL_LIBATOMIC_OPS, - test -n "$maybe_libatomic_ops" -a "$THREADS" != "none") -AM_CONDITIONAL(NEED_ATOMIC_OPS_ASM, test -n "$maybe_libatomic_ops" -a x$need_atomic_ops_asm = xtrue) -AC_SUBST(atomic_ops_libs) - -dnl Produce the Files -dnl ----------------- - -AC_CONFIG_FILES([Makefile bdw-gc.pc]) - -AC_CONFIG_COMMANDS([default],, - [ srcdir=${srcdir} - host=${host} - CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} - CC="${CC}" - DEFS="$DEFS" ]) - -AC_OUTPUT diff --git a/vendor/gc/configure.host b/vendor/gc/configure.host deleted file mode 100644 index a98a0a7..0000000 --- a/vendor/gc/configure.host +++ /dev/null @@ -1,61 +0,0 @@ -# configure.host - -# This shell script handles all host based configuration for the garbage -# collector. -# It sets various shell variables based on the the host and the -# configuration options. You can modify this shell script without -# needing to rerun autoconf. - -# This shell script should be invoked as -# . configure.host -# If it encounters an error, it will exit with a message. - -# It uses the following shell variables: -# host The configuration host -# host_cpu The configuration host CPU -# target_optspace --enable-target-optspace ("yes", "no", "") -# GCC should be "yes" if using gcc - -# It sets the following shell variables: -# gc_cflags Special CFLAGS to use when building - -gc_cflags="" - -# We should set -fexceptions if we are using gcc and might be used -# inside something like gcj. This is the zeroth approximation: -if test :"$GCC": = :yes: ; then - gc_cflags="${gc_cflags} -fexceptions" -else - case "$host" in - hppa*-*-hpux* ) - if test :$GCC: != :"yes": ; then - gc_cflags="${gc_flags} +ESdbgasm" - fi - # :TODO: actaully we should check using Autoconf if - # the compiler supports this option. - ;; - esac -fi - -case "${target_optspace}:${host}" in - yes:*) - gc_cflags="${gc_cflags} -Os" - ;; - :m32r-* | :d10v-* | :d30v-*) - gc_cflags="${gc_cflags} -Os" - ;; - no:* | :*) - # Nothing. - ;; -esac - -# Set any host dependent compiler flags. -# THIS TABLE IS SORTED. KEEP IT THAT WAY. - -case "${host}" in - mips-tx39-*|mipstx39-unknown-*) - gc_cflags="${gc_cflags} -G 0" - ;; - *) - ;; -esac diff --git a/vendor/gc/configure_atomic_ops.sh b/vendor/gc/configure_atomic_ops.sh deleted file mode 100755 index 6a0e31a..0000000 --- a/vendor/gc/configure_atomic_ops.sh +++ /dev/null @@ -1,4 +0,0 @@ -#!/bin/sh -P=`pwd`/libatomic_ops-install -cd libatomic_ops-*[0-9] -./configure --prefix=$P diff --git a/vendor/gc/cord/cord.am b/vendor/gc/cord/cord.am deleted file mode 100644 index fc5e8cc..0000000 --- a/vendor/gc/cord/cord.am +++ /dev/null @@ -1,17 +0,0 @@ - -lib_LTLIBRARIES += libcord.la - -libcord_la_LIBADD = $(top_builddir)/libgc.la -libcord_la_LDFLAGS = -version-info 1:3:0 -no-undefined - -libcord_la_SOURCES = \ - cord/cordbscs.c \ - cord/cordprnt.c \ - cord/cordtest.c \ - cord/cordxtra.c - - -EXTRA_DIST += \ - cord/cordbscs.c cord/cordtest.c cord/de.c \ - cord/cordprnt.c cord/cordxtra.c cord/de_cmds.h \ - cord/de_win.h cord/de_win.c cord/de_win.RC cord/de_win.ICO diff --git a/vendor/gc/cord/cordbscs.c b/vendor/gc/cord/cordbscs.c deleted file mode 100644 index d83f406..0000000 --- a/vendor/gc/cord/cordbscs.c +++ /dev/null @@ -1,919 +0,0 @@ -/* - * Copyright (c) 1993-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - * Author: Hans-J. Boehm (boehm@parc.xerox.com) - */ -/* Boehm, October 3, 1994 5:19 pm PDT */ -# include "gc.h" -# include "cord.h" -# include -# include -# include - -/* An implementation of the cord primitives. These are the only */ -/* Functions that understand the representation. We perform only */ -/* minimal checks on arguments to these functions. Out of bounds */ -/* arguments to the iteration functions may result in client functions */ -/* invoked on garbage data. In most cases, client functions should be */ -/* programmed defensively enough that this does not result in memory */ -/* smashes. */ - -typedef void (* oom_fn)(void); - -oom_fn CORD_oom_fn = (oom_fn) 0; - -# define OUT_OF_MEMORY { if (CORD_oom_fn != (oom_fn) 0) (*CORD_oom_fn)(); \ - ABORT("Out of memory\n"); } -# define ABORT(msg) { fprintf(stderr, "%s\n", msg); abort(); } - -typedef unsigned long word; - -typedef union { - struct Concatenation { - char null; - char header; - char depth; /* concatenation nesting depth. */ - unsigned char left_len; - /* Length of left child if it is sufficiently */ - /* short; 0 otherwise. */ -# define MAX_LEFT_LEN 255 - word len; - CORD left; /* length(left) > 0 */ - CORD right; /* length(right) > 0 */ - } concatenation; - struct Function { - char null; - char header; - char depth; /* always 0 */ - char left_len; /* always 0 */ - word len; - CORD_fn fn; - void * client_data; - } function; - struct Generic { - char null; - char header; - char depth; - char left_len; - word len; - } generic; - char string[1]; -} CordRep; - -# define CONCAT_HDR 1 - -# define FN_HDR 4 -# define SUBSTR_HDR 6 - /* Substring nodes are a special case of function nodes. */ - /* The client_data field is known to point to a substr_args */ - /* structure, and the function is either CORD_apply_access_fn */ - /* or CORD_index_access_fn. */ - -/* The following may be applied only to function and concatenation nodes: */ -#define IS_CONCATENATION(s) (((CordRep *)s)->generic.header == CONCAT_HDR) - -#define IS_FUNCTION(s) ((((CordRep *)s)->generic.header & FN_HDR) != 0) - -#define IS_SUBSTR(s) (((CordRep *)s)->generic.header == SUBSTR_HDR) - -#define LEN(s) (((CordRep *)s) -> generic.len) -#define DEPTH(s) (((CordRep *)s) -> generic.depth) -#define GEN_LEN(s) (CORD_IS_STRING(s) ? strlen(s) : LEN(s)) - -#define LEFT_LEN(c) ((c) -> left_len != 0? \ - (c) -> left_len \ - : (CORD_IS_STRING((c) -> left) ? \ - (c) -> len - GEN_LEN((c) -> right) \ - : LEN((c) -> left))) - -#define SHORT_LIMIT (sizeof(CordRep) - 1) - /* Cords shorter than this are C strings */ - - -/* Dump the internal representation of x to stdout, with initial */ -/* indentation level n. */ -void CORD_dump_inner(CORD x, unsigned n) -{ - register size_t i; - - for (i = 0; i < (size_t)n; i++) { - fputs(" ", stdout); - } - if (x == 0) { - fputs("NIL\n", stdout); - } else if (CORD_IS_STRING(x)) { - for (i = 0; i <= SHORT_LIMIT; i++) { - if (x[i] == '\0') break; - putchar(x[i]); - } - if (x[i] != '\0') fputs("...", stdout); - putchar('\n'); - } else if (IS_CONCATENATION(x)) { - register struct Concatenation * conc = - &(((CordRep *)x) -> concatenation); - printf("Concatenation: %p (len: %d, depth: %d)\n", - x, (int)(conc -> len), (int)(conc -> depth)); - CORD_dump_inner(conc -> left, n+1); - CORD_dump_inner(conc -> right, n+1); - } else /* function */{ - register struct Function * func = - &(((CordRep *)x) -> function); - if (IS_SUBSTR(x)) printf("(Substring) "); - printf("Function: %p (len: %d): ", x, (int)(func -> len)); - for (i = 0; i < 20 && i < func -> len; i++) { - putchar((*(func -> fn))(i, func -> client_data)); - } - if (i < func -> len) fputs("...", stdout); - putchar('\n'); - } -} - -/* Dump the internal representation of x to stdout */ -void CORD_dump(CORD x) -{ - CORD_dump_inner(x, 0); - fflush(stdout); -} - -CORD CORD_cat_char_star(CORD x, const char * y, size_t leny) -{ - register size_t result_len; - register size_t lenx; - register int depth; - - if (x == CORD_EMPTY) return(y); - if (leny == 0) return(x); - if (CORD_IS_STRING(x)) { - lenx = strlen(x); - result_len = lenx + leny; - if (result_len <= SHORT_LIMIT) { - register char * result = GC_MALLOC_ATOMIC(result_len+1); - - if (result == 0) OUT_OF_MEMORY; - memcpy(result, x, lenx); - memcpy(result + lenx, y, leny); - result[result_len] = '\0'; - return((CORD) result); - } else { - depth = 1; - } - } else { - register CORD right; - register CORD left; - register char * new_right; - register size_t right_len; - - lenx = LEN(x); - - if (leny <= SHORT_LIMIT/2 - && IS_CONCATENATION(x) - && CORD_IS_STRING(right = ((CordRep *)x) -> concatenation.right)) { - /* Merge y into right part of x. */ - if (!CORD_IS_STRING(left = ((CordRep *)x) -> concatenation.left)) { - right_len = lenx - LEN(left); - } else if (((CordRep *)x) -> concatenation.left_len != 0) { - right_len = lenx - ((CordRep *)x) -> concatenation.left_len; - } else { - right_len = strlen(right); - } - result_len = right_len + leny; /* length of new_right */ - if (result_len <= SHORT_LIMIT) { - new_right = GC_MALLOC_ATOMIC(result_len + 1); - memcpy(new_right, right, right_len); - memcpy(new_right + right_len, y, leny); - new_right[result_len] = '\0'; - y = new_right; - leny = result_len; - x = left; - lenx -= right_len; - /* Now fall through to concatenate the two pieces: */ - } - if (CORD_IS_STRING(x)) { - depth = 1; - } else { - depth = DEPTH(x) + 1; - } - } else { - depth = DEPTH(x) + 1; - } - result_len = lenx + leny; - } - { - /* The general case; lenx, result_len is known: */ - register struct Concatenation * result; - - result = GC_NEW(struct Concatenation); - if (result == 0) OUT_OF_MEMORY; - result->header = CONCAT_HDR; - result->depth = depth; - if (lenx <= MAX_LEFT_LEN) result->left_len = lenx; - result->len = result_len; - result->left = x; - result->right = y; - if (depth >= MAX_DEPTH) { - return(CORD_balance((CORD)result)); - } else { - return((CORD) result); - } - } -} - - -CORD CORD_cat(CORD x, CORD y) -{ - register size_t result_len; - register int depth; - register size_t lenx; - - if (x == CORD_EMPTY) return(y); - if (y == CORD_EMPTY) return(x); - if (CORD_IS_STRING(y)) { - return(CORD_cat_char_star(x, y, strlen(y))); - } else if (CORD_IS_STRING(x)) { - lenx = strlen(x); - depth = DEPTH(y) + 1; - } else { - register int depthy = DEPTH(y); - - lenx = LEN(x); - depth = DEPTH(x) + 1; - if (depthy >= depth) depth = depthy + 1; - } - result_len = lenx + LEN(y); - { - register struct Concatenation * result; - - result = GC_NEW(struct Concatenation); - if (result == 0) OUT_OF_MEMORY; - result->header = CONCAT_HDR; - result->depth = depth; - if (lenx <= MAX_LEFT_LEN) result->left_len = lenx; - result->len = result_len; - result->left = x; - result->right = y; - if (depth >= MAX_DEPTH) { - return(CORD_balance((CORD)result)); - } else { - return((CORD) result); - } - } -} - - - -CORD CORD_from_fn(CORD_fn fn, void * client_data, size_t len) -{ - if (len <= 0) return(0); - if (len <= SHORT_LIMIT) { - register char * result; - register size_t i; - char buf[SHORT_LIMIT+1]; - register char c; - - for (i = 0; i < len; i++) { - c = (*fn)(i, client_data); - if (c == '\0') goto gen_case; - buf[i] = c; - } - buf[i] = '\0'; - result = GC_MALLOC_ATOMIC(len+1); - if (result == 0) OUT_OF_MEMORY; - strcpy(result, buf); - result[len] = '\0'; - return((CORD) result); - } - gen_case: - { - register struct Function * result; - - result = GC_NEW(struct Function); - if (result == 0) OUT_OF_MEMORY; - result->header = FN_HDR; - /* depth is already 0 */ - result->len = len; - result->fn = fn; - result->client_data = client_data; - return((CORD) result); - } -} - -size_t CORD_len(CORD x) -{ - if (x == 0) { - return(0); - } else { - return(GEN_LEN(x)); - } -} - -struct substr_args { - CordRep * sa_cord; - size_t sa_index; -}; - -char CORD_index_access_fn(size_t i, void * client_data) -{ - register struct substr_args *descr = (struct substr_args *)client_data; - - return(((char *)(descr->sa_cord))[i + descr->sa_index]); -} - -char CORD_apply_access_fn(size_t i, void * client_data) -{ - register struct substr_args *descr = (struct substr_args *)client_data; - register struct Function * fn_cord = &(descr->sa_cord->function); - - return((*(fn_cord->fn))(i + descr->sa_index, fn_cord->client_data)); -} - -/* A version of CORD_substr that simply returns a function node, thus */ -/* postponing its work. The fourth argument is a function that may */ -/* be used for efficient access to the ith character. */ -/* Assumes i >= 0 and i + n < length(x). */ -CORD CORD_substr_closure(CORD x, size_t i, size_t n, CORD_fn f) -{ - register struct substr_args * sa = GC_NEW(struct substr_args); - CORD result; - - if (sa == 0) OUT_OF_MEMORY; - sa->sa_cord = (CordRep *)x; - sa->sa_index = i; - result = CORD_from_fn(f, (void *)sa, n); - ((CordRep *)result) -> function.header = SUBSTR_HDR; - return (result); -} - -# define SUBSTR_LIMIT (10 * SHORT_LIMIT) - /* Substrings of function nodes and flat strings shorter than */ - /* this are flat strings. Othewise we use a functional */ - /* representation, which is significantly slower to access. */ - -/* A version of CORD_substr that assumes i >= 0, n > 0, and i + n < length(x).*/ -CORD CORD_substr_checked(CORD x, size_t i, size_t n) -{ - if (CORD_IS_STRING(x)) { - if (n > SUBSTR_LIMIT) { - return(CORD_substr_closure(x, i, n, CORD_index_access_fn)); - } else { - register char * result = GC_MALLOC_ATOMIC(n+1); - - if (result == 0) OUT_OF_MEMORY; - strncpy(result, x+i, n); - result[n] = '\0'; - return(result); - } - } else if (IS_CONCATENATION(x)) { - register struct Concatenation * conc - = &(((CordRep *)x) -> concatenation); - register size_t left_len; - register size_t right_len; - - left_len = LEFT_LEN(conc); - right_len = conc -> len - left_len; - if (i >= left_len) { - if (n == right_len) return(conc -> right); - return(CORD_substr_checked(conc -> right, i - left_len, n)); - } else if (i+n <= left_len) { - if (n == left_len) return(conc -> left); - return(CORD_substr_checked(conc -> left, i, n)); - } else { - /* Need at least one character from each side. */ - register CORD left_part; - register CORD right_part; - register size_t left_part_len = left_len - i; - - if (i == 0) { - left_part = conc -> left; - } else { - left_part = CORD_substr_checked(conc -> left, i, left_part_len); - } - if (i + n == right_len + left_len) { - right_part = conc -> right; - } else { - right_part = CORD_substr_checked(conc -> right, 0, - n - left_part_len); - } - return(CORD_cat(left_part, right_part)); - } - } else /* function */ { - if (n > SUBSTR_LIMIT) { - if (IS_SUBSTR(x)) { - /* Avoid nesting substring nodes. */ - register struct Function * f = &(((CordRep *)x) -> function); - register struct substr_args *descr = - (struct substr_args *)(f -> client_data); - - return(CORD_substr_closure((CORD)descr->sa_cord, - i + descr->sa_index, - n, f -> fn)); - } else { - return(CORD_substr_closure(x, i, n, CORD_apply_access_fn)); - } - } else { - char * result; - register struct Function * f = &(((CordRep *)x) -> function); - char buf[SUBSTR_LIMIT+1]; - register char * p = buf; - register char c; - register int j; - register int lim = i + n; - - for (j = i; j < lim; j++) { - c = (*(f -> fn))(j, f -> client_data); - if (c == '\0') { - return(CORD_substr_closure(x, i, n, CORD_apply_access_fn)); - } - *p++ = c; - } - *p = '\0'; - result = GC_MALLOC_ATOMIC(n+1); - if (result == 0) OUT_OF_MEMORY; - strcpy(result, buf); - return(result); - } - } -} - -CORD CORD_substr(CORD x, size_t i, size_t n) -{ - register size_t len = CORD_len(x); - - if (i >= len || n <= 0) return(0); - /* n < 0 is impossible in a correct C implementation, but */ - /* quite possible under SunOS 4.X. */ - if (i + n > len) n = len - i; -# ifndef __STDC__ - if (i < 0) ABORT("CORD_substr: second arg. negative"); - /* Possible only if both client and C implementation are buggy. */ - /* But empirically this happens frequently. */ -# endif - return(CORD_substr_checked(x, i, n)); -} - -/* See cord.h for definition. We assume i is in range. */ -int CORD_iter5(CORD x, size_t i, CORD_iter_fn f1, - CORD_batched_iter_fn f2, void * client_data) -{ - if (x == 0) return(0); - if (CORD_IS_STRING(x)) { - register const char *p = x+i; - - if (*p == '\0') ABORT("2nd arg to CORD_iter5 too big"); - if (f2 != CORD_NO_FN) { - return((*f2)(p, client_data)); - } else { - while (*p) { - if ((*f1)(*p, client_data)) return(1); - p++; - } - return(0); - } - } else if (IS_CONCATENATION(x)) { - register struct Concatenation * conc - = &(((CordRep *)x) -> concatenation); - - - if (i > 0) { - register size_t left_len = LEFT_LEN(conc); - - if (i >= left_len) { - return(CORD_iter5(conc -> right, i - left_len, f1, f2, - client_data)); - } - } - if (CORD_iter5(conc -> left, i, f1, f2, client_data)) { - return(1); - } - return(CORD_iter5(conc -> right, 0, f1, f2, client_data)); - } else /* function */ { - register struct Function * f = &(((CordRep *)x) -> function); - register size_t j; - register size_t lim = f -> len; - - for (j = i; j < lim; j++) { - if ((*f1)((*(f -> fn))(j, f -> client_data), client_data)) { - return(1); - } - } - return(0); - } -} - -#undef CORD_iter -int CORD_iter(CORD x, CORD_iter_fn f1, void * client_data) -{ - return(CORD_iter5(x, 0, f1, CORD_NO_FN, client_data)); -} - -int CORD_riter4(CORD x, size_t i, CORD_iter_fn f1, void * client_data) -{ - if (x == 0) return(0); - if (CORD_IS_STRING(x)) { - register const char *p = x + i; - register char c; - - for(;;) { - c = *p; - if (c == '\0') ABORT("2nd arg to CORD_riter4 too big"); - if ((*f1)(c, client_data)) return(1); - if (p == x) break; - p--; - } - return(0); - } else if (IS_CONCATENATION(x)) { - register struct Concatenation * conc - = &(((CordRep *)x) -> concatenation); - register CORD left_part = conc -> left; - register size_t left_len; - - left_len = LEFT_LEN(conc); - if (i >= left_len) { - if (CORD_riter4(conc -> right, i - left_len, f1, client_data)) { - return(1); - } - return(CORD_riter4(left_part, left_len - 1, f1, client_data)); - } else { - return(CORD_riter4(left_part, i, f1, client_data)); - } - } else /* function */ { - register struct Function * f = &(((CordRep *)x) -> function); - register size_t j; - - for (j = i; ; j--) { - if ((*f1)((*(f -> fn))(j, f -> client_data), client_data)) { - return(1); - } - if (j == 0) return(0); - } - } -} - -int CORD_riter(CORD x, CORD_iter_fn f1, void * client_data) -{ - return(CORD_riter4(x, CORD_len(x) - 1, f1, client_data)); -} - -/* - * The following functions are concerned with balancing cords. - * Strategy: - * Scan the cord from left to right, keeping the cord scanned so far - * as a forest of balanced trees of exponentialy decreasing length. - * When a new subtree needs to be added to the forest, we concatenate all - * shorter ones to the new tree in the appropriate order, and then insert - * the result into the forest. - * Crucial invariants: - * 1. The concatenation of the forest (in decreasing order) with the - * unscanned part of the rope is equal to the rope being balanced. - * 2. All trees in the forest are balanced. - * 3. forest[i] has depth at most i. - */ - -typedef struct { - CORD c; - size_t len; /* Actual length of c */ -} ForestElement; - -static size_t min_len [ MAX_DEPTH ]; - -static int min_len_init = 0; - -int CORD_max_len; - -typedef ForestElement Forest [ MAX_DEPTH ]; - /* forest[i].len >= fib(i+1) */ - /* The string is the concatenation */ - /* of the forest in order of DECREASING */ - /* indices. */ - -void CORD_init_min_len() -{ - register int i; - register size_t last, previous, current; - - min_len[0] = previous = 1; - min_len[1] = last = 2; - for (i = 2; i < MAX_DEPTH; i++) { - current = last + previous; - if (current < last) /* overflow */ current = last; - min_len[i] = current; - previous = last; - last = current; - } - CORD_max_len = last - 1; - min_len_init = 1; -} - - -void CORD_init_forest(ForestElement * forest, size_t max_len) -{ - register int i; - - for (i = 0; i < MAX_DEPTH; i++) { - forest[i].c = 0; - if (min_len[i] > max_len) return; - } - ABORT("Cord too long"); -} - -/* Add a leaf to the appropriate level in the forest, cleaning */ -/* out lower levels as necessary. */ -/* Also works if x is a balanced tree of concatenations; however */ -/* in this case an extra concatenation node may be inserted above x; */ -/* This node should not be counted in the statement of the invariants. */ -void CORD_add_forest(ForestElement * forest, CORD x, size_t len) -{ - register int i = 0; - register CORD sum = CORD_EMPTY; - register size_t sum_len = 0; - - while (len > min_len[i + 1]) { - if (forest[i].c != 0) { - sum = CORD_cat(forest[i].c, sum); - sum_len += forest[i].len; - forest[i].c = 0; - } - i++; - } - /* Sum has depth at most 1 greter than what would be required */ - /* for balance. */ - sum = CORD_cat(sum, x); - sum_len += len; - /* If x was a leaf, then sum is now balanced. To see this */ - /* consider the two cases in which forest[i-1] either is or is */ - /* not empty. */ - while (sum_len >= min_len[i]) { - if (forest[i].c != 0) { - sum = CORD_cat(forest[i].c, sum); - sum_len += forest[i].len; - /* This is again balanced, since sum was balanced, and has */ - /* allowable depth that differs from i by at most 1. */ - forest[i].c = 0; - } - i++; - } - i--; - forest[i].c = sum; - forest[i].len = sum_len; -} - -CORD CORD_concat_forest(ForestElement * forest, size_t expected_len) -{ - register int i = 0; - CORD sum = 0; - size_t sum_len = 0; - - while (sum_len != expected_len) { - if (forest[i].c != 0) { - sum = CORD_cat(forest[i].c, sum); - sum_len += forest[i].len; - } - i++; - } - return(sum); -} - -/* Insert the frontier of x into forest. Balanced subtrees are */ -/* treated as leaves. This potentially adds one to the depth */ -/* of the final tree. */ -void CORD_balance_insert(CORD x, size_t len, ForestElement * forest) -{ - register int depth; - - if (CORD_IS_STRING(x)) { - CORD_add_forest(forest, x, len); - } else if (IS_CONCATENATION(x) - && ((depth = DEPTH(x)) >= MAX_DEPTH - || len < min_len[depth])) { - register struct Concatenation * conc - = &(((CordRep *)x) -> concatenation); - size_t left_len = LEFT_LEN(conc); - - CORD_balance_insert(conc -> left, left_len, forest); - CORD_balance_insert(conc -> right, len - left_len, forest); - } else /* function or balanced */ { - CORD_add_forest(forest, x, len); - } -} - - -CORD CORD_balance(CORD x) -{ - Forest forest; - register size_t len; - - if (x == 0) return(0); - if (CORD_IS_STRING(x)) return(x); - if (!min_len_init) CORD_init_min_len(); - len = LEN(x); - CORD_init_forest(forest, len); - CORD_balance_insert(x, len, forest); - return(CORD_concat_forest(forest, len)); -} - - -/* Position primitives */ - -/* Private routines to deal with the hard cases only: */ - -/* P contains a prefix of the path to cur_pos. Extend it to a full */ -/* path and set up leaf info. */ -/* Return 0 if past the end of cord, 1 o.w. */ -void CORD__extend_path(register CORD_pos p) -{ - register struct CORD_pe * current_pe = &(p[0].path[p[0].path_len]); - register CORD top = current_pe -> pe_cord; - register size_t pos = p[0].cur_pos; - register size_t top_pos = current_pe -> pe_start_pos; - register size_t top_len = GEN_LEN(top); - - /* Fill in the rest of the path. */ - while(!CORD_IS_STRING(top) && IS_CONCATENATION(top)) { - register struct Concatenation * conc = - &(((CordRep *)top) -> concatenation); - register size_t left_len; - - left_len = LEFT_LEN(conc); - current_pe++; - if (pos >= top_pos + left_len) { - current_pe -> pe_cord = top = conc -> right; - current_pe -> pe_start_pos = top_pos = top_pos + left_len; - top_len -= left_len; - } else { - current_pe -> pe_cord = top = conc -> left; - current_pe -> pe_start_pos = top_pos; - top_len = left_len; - } - p[0].path_len++; - } - /* Fill in leaf description for fast access. */ - if (CORD_IS_STRING(top)) { - p[0].cur_leaf = top; - p[0].cur_start = top_pos; - p[0].cur_end = top_pos + top_len; - } else { - p[0].cur_end = 0; - } - if (pos >= top_pos + top_len) p[0].path_len = CORD_POS_INVALID; -} - -char CORD__pos_fetch(register CORD_pos p) -{ - /* Leaf is a function node */ - struct CORD_pe * pe = &((p)[0].path[(p)[0].path_len]); - CORD leaf = pe -> pe_cord; - register struct Function * f = &(((CordRep *)leaf) -> function); - - if (!IS_FUNCTION(leaf)) ABORT("CORD_pos_fetch: bad leaf"); - return ((*(f -> fn))(p[0].cur_pos - pe -> pe_start_pos, f -> client_data)); -} - -void CORD__next(register CORD_pos p) -{ - register size_t cur_pos = p[0].cur_pos + 1; - register struct CORD_pe * current_pe = &((p)[0].path[(p)[0].path_len]); - register CORD leaf = current_pe -> pe_cord; - - /* Leaf is not a string or we're at end of leaf */ - p[0].cur_pos = cur_pos; - if (!CORD_IS_STRING(leaf)) { - /* Function leaf */ - register struct Function * f = &(((CordRep *)leaf) -> function); - register size_t start_pos = current_pe -> pe_start_pos; - register size_t end_pos = start_pos + f -> len; - - if (cur_pos < end_pos) { - /* Fill cache and return. */ - register size_t i; - register size_t limit = cur_pos + FUNCTION_BUF_SZ; - register CORD_fn fn = f -> fn; - register void * client_data = f -> client_data; - - if (limit > end_pos) { - limit = end_pos; - } - for (i = cur_pos; i < limit; i++) { - p[0].function_buf[i - cur_pos] = - (*fn)(i - start_pos, client_data); - } - p[0].cur_start = cur_pos; - p[0].cur_leaf = p[0].function_buf; - p[0].cur_end = limit; - return; - } - } - /* End of leaf */ - /* Pop the stack until we find two concatenation nodes with the */ - /* same start position: this implies we were in left part. */ - { - while (p[0].path_len > 0 - && current_pe[0].pe_start_pos != current_pe[-1].pe_start_pos) { - p[0].path_len--; - current_pe--; - } - if (p[0].path_len == 0) { - p[0].path_len = CORD_POS_INVALID; - return; - } - } - p[0].path_len--; - CORD__extend_path(p); -} - -void CORD__prev(register CORD_pos p) -{ - register struct CORD_pe * pe = &(p[0].path[p[0].path_len]); - - if (p[0].cur_pos == 0) { - p[0].path_len = CORD_POS_INVALID; - return; - } - p[0].cur_pos--; - if (p[0].cur_pos >= pe -> pe_start_pos) return; - - /* Beginning of leaf */ - - /* Pop the stack until we find two concatenation nodes with the */ - /* different start position: this implies we were in right part. */ - { - register struct CORD_pe * current_pe = &((p)[0].path[(p)[0].path_len]); - - while (p[0].path_len > 0 - && current_pe[0].pe_start_pos == current_pe[-1].pe_start_pos) { - p[0].path_len--; - current_pe--; - } - } - p[0].path_len--; - CORD__extend_path(p); -} - -#undef CORD_pos_fetch -#undef CORD_next -#undef CORD_prev -#undef CORD_pos_to_index -#undef CORD_pos_to_cord -#undef CORD_pos_valid - -char CORD_pos_fetch(register CORD_pos p) -{ - if (p[0].cur_start <= p[0].cur_pos && p[0].cur_pos < p[0].cur_end) { - return(p[0].cur_leaf[p[0].cur_pos - p[0].cur_start]); - } else { - return(CORD__pos_fetch(p)); - } -} - -void CORD_next(CORD_pos p) -{ - if (p[0].cur_pos < p[0].cur_end - 1) { - p[0].cur_pos++; - } else { - CORD__next(p); - } -} - -void CORD_prev(CORD_pos p) -{ - if (p[0].cur_end != 0 && p[0].cur_pos > p[0].cur_start) { - p[0].cur_pos--; - } else { - CORD__prev(p); - } -} - -size_t CORD_pos_to_index(CORD_pos p) -{ - return(p[0].cur_pos); -} - -CORD CORD_pos_to_cord(CORD_pos p) -{ - return(p[0].path[0].pe_cord); -} - -int CORD_pos_valid(CORD_pos p) -{ - return(p[0].path_len != CORD_POS_INVALID); -} - -void CORD_set_pos(CORD_pos p, CORD x, size_t i) -{ - if (x == CORD_EMPTY) { - p[0].path_len = CORD_POS_INVALID; - return; - } - p[0].path[0].pe_cord = x; - p[0].path[0].pe_start_pos = 0; - p[0].path_len = 0; - p[0].cur_pos = i; - CORD__extend_path(p); -} diff --git a/vendor/gc/cord/cordprnt.c b/vendor/gc/cord/cordprnt.c deleted file mode 100644 index 6d278fe..0000000 --- a/vendor/gc/cord/cordprnt.c +++ /dev/null @@ -1,396 +0,0 @@ -/* - * Copyright (c) 1993-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* An sprintf implementation that understands cords. This is probably */ -/* not terribly portable. It assumes an ANSI stdarg.h. It further */ -/* assumes that I can make copies of va_list variables, and read */ -/* arguments repeatedly by applyting va_arg to the copies. This */ -/* could be avoided at some performance cost. */ -/* We also assume that unsigned and signed integers of various kinds */ -/* have the same sizes, and can be cast back and forth. */ -/* We assume that void * and char * have the same size. */ -/* All this cruft is needed because we want to rely on the underlying */ -/* sprintf implementation whenever possible. */ -/* Boehm, September 21, 1995 6:00 pm PDT */ - -#include "cord.h" -#include "ec.h" -#include -#include -#include -#include "gc.h" - -#define CONV_SPEC_LEN 50 /* Maximum length of a single */ - /* conversion specification. */ -#define CONV_RESULT_LEN 50 /* Maximum length of any */ - /* conversion with default */ - /* width and prec. */ - - -static int ec_len(CORD_ec x) -{ - return(CORD_len(x[0].ec_cord) + (x[0].ec_bufptr - x[0].ec_buf)); -} - -/* Possible nonumeric precision values. */ -# define NONE -1 -# define VARIABLE -2 -/* Copy the conversion specification from CORD_pos into the buffer buf */ -/* Return negative on error. */ -/* Source initially points one past the leading %. */ -/* It is left pointing at the conversion type. */ -/* Assign field width and precision to *width and *prec. */ -/* If width or prec is *, VARIABLE is assigned. */ -/* Set *left to 1 if left adjustment flag is present. */ -/* Set *long_arg to 1 if long flag ('l' or 'L') is present, or to */ -/* -1 if 'h' is present. */ -static int extract_conv_spec(CORD_pos source, char *buf, - int * width, int *prec, int *left, int * long_arg) -{ - register int result = 0; - register int current_number = 0; - register int saw_period = 0; - register int saw_number = 0; - register int chars_so_far = 0; - register char current; - - *width = NONE; - buf[chars_so_far++] = '%'; - while(CORD_pos_valid(source)) { - if (chars_so_far >= CONV_SPEC_LEN) return(-1); - current = CORD_pos_fetch(source); - buf[chars_so_far++] = current; - switch(current) { - case '*': - saw_number = 1; - current_number = VARIABLE; - break; - case '0': - if (!saw_number) { - /* Zero fill flag; ignore */ - break; - } /* otherwise fall through: */ - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - saw_number = 1; - current_number *= 10; - current_number += current - '0'; - break; - case '.': - saw_period = 1; - if(saw_number) { - *width = current_number; - saw_number = 0; - } - current_number = 0; - break; - case 'l': - case 'L': - *long_arg = 1; - current_number = 0; - break; - case 'h': - *long_arg = -1; - current_number = 0; - break; - case ' ': - case '+': - case '#': - current_number = 0; - break; - case '-': - *left = 1; - current_number = 0; - break; - case 'd': - case 'i': - case 'o': - case 'u': - case 'x': - case 'X': - case 'f': - case 'e': - case 'E': - case 'g': - case 'G': - case 'c': - case 'C': - case 's': - case 'S': - case 'p': - case 'n': - case 'r': - goto done; - default: - return(-1); - } - CORD_next(source); - } - return(-1); - done: - if (saw_number) { - if (saw_period) { - *prec = current_number; - } else { - *prec = NONE; - *width = current_number; - } - } else { - *prec = NONE; - } - buf[chars_so_far] = '\0'; - return(result); -} - -int CORD_vsprintf(CORD * out, CORD format, va_list args) -{ - CORD_ec result; - register int count; - register char current; - CORD_pos pos; - char conv_spec[CONV_SPEC_LEN + 1]; - - CORD_ec_init(result); - for (CORD_set_pos(pos, format, 0); CORD_pos_valid(pos); CORD_next(pos)) { - current = CORD_pos_fetch(pos); - if (current == '%') { - CORD_next(pos); - if (!CORD_pos_valid(pos)) return(-1); - current = CORD_pos_fetch(pos); - if (current == '%') { - CORD_ec_append(result, current); - } else { - int width, prec; - int left_adj = 0; - int long_arg = 0; - CORD arg; - size_t len; - - if (extract_conv_spec(pos, conv_spec, - &width, &prec, - &left_adj, &long_arg) < 0) { - return(-1); - } - current = CORD_pos_fetch(pos); - switch(current) { - case 'n': - /* Assign length to next arg */ - if (long_arg == 0) { - int * pos_ptr; - pos_ptr = va_arg(args, int *); - *pos_ptr = ec_len(result); - } else if (long_arg > 0) { - long * pos_ptr; - pos_ptr = va_arg(args, long *); - *pos_ptr = ec_len(result); - } else { - short * pos_ptr; - pos_ptr = va_arg(args, short *); - *pos_ptr = ec_len(result); - } - goto done; - case 'r': - /* Append cord and any padding */ - if (width == VARIABLE) width = va_arg(args, int); - if (prec == VARIABLE) prec = va_arg(args, int); - arg = va_arg(args, CORD); - len = CORD_len(arg); - if (prec != NONE && len > prec) { - if (prec < 0) return(-1); - arg = CORD_substr(arg, 0, prec); - len = prec; - } - if (width != NONE && len < width) { - char * blanks = GC_MALLOC_ATOMIC(width-len+1); - - memset(blanks, ' ', width-len); - blanks[width-len] = '\0'; - if (left_adj) { - arg = CORD_cat(arg, blanks); - } else { - arg = CORD_cat(blanks, arg); - } - } - CORD_ec_append_cord(result, arg); - goto done; - case 'c': - if (width == NONE && prec == NONE) { - register char c; - - c = (char)va_arg(args, int); - CORD_ec_append(result, c); - goto done; - } - break; - case 's': - if (width == NONE && prec == NONE) { - char * str = va_arg(args, char *); - register char c; - - while ((c = *str++)) { - CORD_ec_append(result, c); - } - goto done; - } - break; - default: - break; - } - /* Use standard sprintf to perform conversion */ - { - register char * buf; - va_list vsprintf_args; - int max_size = 0; - int res; -# ifdef __va_copy - __va_copy(vsprintf_args, args); -# else -# if defined(__GNUC__) && !defined(__DJGPP__) /* and probably in other cases */ - va_copy(vsprintf_args, args); -# else - vsprintf_args = args; -# endif -# endif - if (width == VARIABLE) width = va_arg(args, int); - if (prec == VARIABLE) prec = va_arg(args, int); - if (width != NONE) max_size = width; - if (prec != NONE && prec > max_size) max_size = prec; - max_size += CONV_RESULT_LEN; - if (max_size >= CORD_BUFSZ) { - buf = GC_MALLOC_ATOMIC(max_size + 1); - } else { - if (CORD_BUFSZ - (result[0].ec_bufptr-result[0].ec_buf) - < max_size) { - CORD_ec_flush_buf(result); - } - buf = result[0].ec_bufptr; - } - switch(current) { - case 'd': - case 'i': - case 'o': - case 'u': - case 'x': - case 'X': - case 'c': - if (long_arg <= 0) { - (void) va_arg(args, int); - } else if (long_arg > 0) { - (void) va_arg(args, long); - } - break; - case 's': - case 'p': - (void) va_arg(args, char *); - break; - case 'f': - case 'e': - case 'E': - case 'g': - case 'G': - (void) va_arg(args, double); - break; - default: - return(-1); - } - res = vsprintf(buf, conv_spec, vsprintf_args); - len = (size_t)res; - if ((char *)(GC_word)res == buf) { - /* old style vsprintf */ - len = strlen(buf); - } else if (res < 0) { - return(-1); - } - if (buf != result[0].ec_bufptr) { - register char c; - - while ((c = *buf++)) { - CORD_ec_append(result, c); - } - } else { - result[0].ec_bufptr = buf + len; - } - } - done:; - } - } else { - CORD_ec_append(result, current); - } - } - count = ec_len(result); - *out = CORD_balance(CORD_ec_to_cord(result)); - return(count); -} - -int CORD_sprintf(CORD * out, CORD format, ...) -{ - va_list args; - int result; - - va_start(args, format); - result = CORD_vsprintf(out, format, args); - va_end(args); - return(result); -} - -int CORD_fprintf(FILE * f, CORD format, ...) -{ - va_list args; - int result; - CORD out; - - va_start(args, format); - result = CORD_vsprintf(&out, format, args); - va_end(args); - if (result > 0) CORD_put(out, f); - return(result); -} - -int CORD_vfprintf(FILE * f, CORD format, va_list args) -{ - int result; - CORD out; - - result = CORD_vsprintf(&out, format, args); - if (result > 0) CORD_put(out, f); - return(result); -} - -int CORD_printf(CORD format, ...) -{ - va_list args; - int result; - CORD out; - - va_start(args, format); - result = CORD_vsprintf(&out, format, args); - va_end(args); - if (result > 0) CORD_put(out, stdout); - return(result); -} - -int CORD_vprintf(CORD format, va_list args) -{ - int result; - CORD out; - - result = CORD_vsprintf(&out, format, args); - if (result > 0) CORD_put(out, stdout); - return(result); -} diff --git a/vendor/gc/cord/cordtest.c b/vendor/gc/cord/cordtest.c deleted file mode 100644 index 08333ca..0000000 --- a/vendor/gc/cord/cordtest.c +++ /dev/null @@ -1,235 +0,0 @@ -/* - * Copyright (c) 1993-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, August 24, 1994 11:58 am PDT */ -# include "gc.h" /* For GC_INIT() only */ -# include "cord.h" -# include -# include -# include -/* This is a very incomplete test of the cord package. It knows about */ -/* a few internals of the package (e.g. when C strings are returned) */ -/* that real clients shouldn't rely on. */ - -# define ABORT(string) \ -{ int x = 0; fprintf(stderr, "FAILED: %s\n", string); x = 1 / x; abort(); } - -int count; - -int test_fn(char c, void * client_data) -{ - if (client_data != (void *)13) ABORT("bad client data"); - if (count < 64*1024+1) { - if ((count & 1) == 0) { - if (c != 'b') ABORT("bad char"); - } else { - if (c != 'a') ABORT("bad char"); - } - count++; - return(0); - } else { - if (c != 'c') ABORT("bad char"); - count++; - return(1); - } -} - -char id_cord_fn(size_t i, void * client_data) -{ - return((char)i); -} - -void test_basics() -{ - CORD x = CORD_from_char_star("ab"); - register int i; - char c; - CORD y; - CORD_pos p; - - x = CORD_cat(x,x); - if (!CORD_IS_STRING(x)) ABORT("short cord should usually be a string"); - if (strcmp(x, "abab") != 0) ABORT("bad CORD_cat result"); - - for (i = 1; i < 16; i++) { - x = CORD_cat(x,x); - } - x = CORD_cat(x,"c"); - if (CORD_len(x) != 128*1024+1) ABORT("bad length"); - - count = 0; - if (CORD_iter5(x, 64*1024-1, test_fn, CORD_NO_FN, (void *)13) == 0) { - ABORT("CORD_iter5 failed"); - } - if (count != 64*1024 + 2) ABORT("CORD_iter5 failed"); - - count = 0; - CORD_set_pos(p, x, 64*1024-1); - while(CORD_pos_valid(p)) { - (void) test_fn(CORD_pos_fetch(p), (void *)13); - CORD_next(p); - } - if (count != 64*1024 + 2) ABORT("Position based iteration failed"); - - y = CORD_substr(x, 1023, 5); - if (!CORD_IS_STRING(y)) ABORT("short cord should usually be a string"); - if (strcmp(y, "babab") != 0) ABORT("bad CORD_substr result"); - - y = CORD_substr(x, 1024, 8); - if (!CORD_IS_STRING(y)) ABORT("short cord should usually be a string"); - if (strcmp(y, "abababab") != 0) ABORT("bad CORD_substr result"); - - y = CORD_substr(x, 128*1024-1, 8); - if (!CORD_IS_STRING(y)) ABORT("short cord should usually be a string"); - if (strcmp(y, "bc") != 0) ABORT("bad CORD_substr result"); - - x = CORD_balance(x); - if (CORD_len(x) != 128*1024+1) ABORT("bad length"); - - count = 0; - if (CORD_iter5(x, 64*1024-1, test_fn, CORD_NO_FN, (void *)13) == 0) { - ABORT("CORD_iter5 failed"); - } - if (count != 64*1024 + 2) ABORT("CORD_iter5 failed"); - - y = CORD_substr(x, 1023, 5); - if (!CORD_IS_STRING(y)) ABORT("short cord should usually be a string"); - if (strcmp(y, "babab") != 0) ABORT("bad CORD_substr result"); - y = CORD_from_fn(id_cord_fn, 0, 13); - i = 0; - CORD_set_pos(p, y, i); - while(CORD_pos_valid(p)) { - c = CORD_pos_fetch(p); - if(c != i) ABORT("Traversal of function node failed"); - CORD_next(p); i++; - } - if (i != 13) ABORT("Bad apparent length for function node"); -} - -void test_extras() -{ -# if defined(__OS2__) || defined(__DJGPP__) -# define FNAME1 "tmp1" -# define FNAME2 "tmp2" -# elif defined(AMIGA) -# define FNAME1 "T:tmp1" -# define FNAME2 "T:tmp2" -# else -# define FNAME1 "/tmp/cord_test" -# define FNAME2 "/tmp/cord_test2" -# endif - register int i; - CORD y = "abcdefghijklmnopqrstuvwxyz0123456789"; - CORD x = "{}"; - CORD w, z; - FILE *f; - FILE *f1a, *f1b, *f2; - - w = CORD_cat(CORD_cat(y,y),y); - z = CORD_catn(3,y,y,y); - if (CORD_cmp(w,z) != 0) ABORT("CORD_catn comparison wrong"); - for (i = 1; i < 100; i++) { - x = CORD_cat(x, y); - } - z = CORD_balance(x); - if (CORD_cmp(x,z) != 0) ABORT("balanced string comparison wrong"); - if (CORD_cmp(x,CORD_cat(z, CORD_nul(13))) >= 0) ABORT("comparison 2"); - if (CORD_cmp(CORD_cat(x, CORD_nul(13)), z) <= 0) ABORT("comparison 3"); - if (CORD_cmp(x,CORD_cat(z, "13")) >= 0) ABORT("comparison 4"); - if ((f = fopen(FNAME1, "w")) == 0) ABORT("open failed"); - if (CORD_put(z,f) == EOF) ABORT("CORD_put failed"); - if (fclose(f) == EOF) ABORT("fclose failed"); - w = CORD_from_file(f1a = fopen(FNAME1, "rb")); - if (CORD_len(w) != CORD_len(z)) ABORT("file length wrong"); - if (CORD_cmp(w,z) != 0) ABORT("file comparison wrong"); - if (CORD_cmp(CORD_substr(w, 50*36+2, 36), y) != 0) - ABORT("file substr wrong"); - z = CORD_from_file_lazy(f1b = fopen(FNAME1, "rb")); - if (CORD_cmp(w,z) != 0) ABORT("File conversions differ"); - if (CORD_chr(w, 0, '9') != 37) ABORT("CORD_chr failed 1"); - if (CORD_chr(w, 3, 'a') != 38) ABORT("CORD_chr failed 2"); - if (CORD_rchr(w, CORD_len(w) - 1, '}') != 1) ABORT("CORD_rchr failed"); - x = y; - for (i = 1; i < 14; i++) { - x = CORD_cat(x,x); - } - if ((f = fopen(FNAME2, "w")) == 0) ABORT("2nd open failed"); -# ifdef __DJGPP__ - /* FIXME: DJGPP workaround. Why does this help? */ - if (fflush(f) != 0) ABORT("fflush failed"); -# endif - if (CORD_put(x,f) == EOF) ABORT("CORD_put failed"); - if (fclose(f) == EOF) ABORT("fclose failed"); - w = CORD_from_file(f2 = fopen(FNAME2, "rb")); - if (CORD_len(w) != CORD_len(x)) ABORT("file length wrong"); - if (CORD_cmp(w,x) != 0) ABORT("file comparison wrong"); - if (CORD_cmp(CORD_substr(w, 1000*36, 36), y) != 0) - ABORT("file substr wrong"); - if (strcmp(CORD_to_char_star(CORD_substr(w, 1000*36, 36)), y) != 0) - ABORT("char * file substr wrong"); - if (strcmp(CORD_substr(w, 1000*36, 2), "ab") != 0) - ABORT("short file substr wrong"); - if (CORD_str(x,1,"9a") != 35) ABORT("CORD_str failed 1"); - if (CORD_str(x,0,"9abcdefghijk") != 35) ABORT("CORD_str failed 2"); - if (CORD_str(x,0,"9abcdefghijx") != CORD_NOT_FOUND) - ABORT("CORD_str failed 3"); - if (CORD_str(x,0,"9>") != CORD_NOT_FOUND) ABORT("CORD_str failed 4"); - if (remove(FNAME1) != 0) { - /* On some systems, e.g. OS2, this may fail if f1 is still open. */ - if ((fclose(f1a) == EOF) & (fclose(f1b) == EOF)) - ABORT("fclose(f1) failed"); - if (remove(FNAME1) != 0) ABORT("remove 1 failed"); - } - if (remove(FNAME2) != 0) { - if (fclose(f2) == EOF) ABORT("fclose(f2) failed"); - if (remove(FNAME2) != 0) ABORT("remove 2 failed"); - } -} - -void test_printf() -{ - CORD result; - char result2[200]; - long l; - short s; - CORD x; - - if (CORD_sprintf(&result, "%7.2f%ln", 3.14159F, &l) != 7) - ABORT("CORD_sprintf failed 1"); - if (CORD_cmp(result, " 3.14") != 0)ABORT("CORD_sprintf goofed 1"); - if (l != 7) ABORT("CORD_sprintf goofed 2"); - if (CORD_sprintf(&result, "%-7.2s%hn%c%s", "abcd", &s, 'x', "yz") != 10) - ABORT("CORD_sprintf failed 2"); - if (CORD_cmp(result, "ab xyz") != 0)ABORT("CORD_sprintf goofed 3"); - if (s != 7) ABORT("CORD_sprintf goofed 4"); - x = "abcdefghij"; - x = CORD_cat(x,x); - x = CORD_cat(x,x); - x = CORD_cat(x,x); - if (CORD_sprintf(&result, "->%-120.78r!\n", x) != 124) - ABORT("CORD_sprintf failed 3"); - (void) sprintf(result2, "->%-120.78s!\n", CORD_to_char_star(x)); - if (CORD_cmp(result, result2) != 0)ABORT("CORD_sprintf goofed 5"); -} - -int main() -{ -# ifdef THINK_C - printf("cordtest:\n"); -# endif - GC_INIT(); - test_basics(); - test_extras(); - test_printf(); - CORD_fprintf(stderr, "SUCCEEDED\n"); - return(0); -} diff --git a/vendor/gc/cord/cordxtra.c b/vendor/gc/cord/cordxtra.c deleted file mode 100644 index b0a7462..0000000 --- a/vendor/gc/cord/cordxtra.c +++ /dev/null @@ -1,621 +0,0 @@ -/* - * Copyright (c) 1993-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - * Author: Hans-J. Boehm (boehm@parc.xerox.com) - */ -/* - * These are functions on cords that do not need to understand their - * implementation. They serve also serve as example client code for - * cord_basics. - */ -/* Boehm, December 8, 1995 1:53 pm PST */ -# include -# include -# include -# include -# include "cord.h" -# include "ec.h" -# define I_HIDE_POINTERS /* So we get access to allocation lock. */ - /* We use this for lazy file reading, */ - /* so that we remain independent */ - /* of the threads primitives. */ -# include "gc.h" - -/* For now we assume that pointer reads and writes are atomic, */ -/* i.e. another thread always sees the state before or after */ -/* a write. This might be false on a Motorola M68K with */ -/* pointers that are not 32-bit aligned. But there probably */ -/* aren't too many threads packages running on those. */ -# define ATOMIC_WRITE(x,y) (x) = (y) -# define ATOMIC_READ(x) (*(x)) - -/* The standard says these are in stdio.h, but they aren't always: */ -# ifndef SEEK_SET -# define SEEK_SET 0 -# endif -# ifndef SEEK_END -# define SEEK_END 2 -# endif - -# define BUFSZ 2048 /* Size of stack allocated buffers when */ - /* we want large buffers. */ - -typedef void (* oom_fn)(void); - -# define OUT_OF_MEMORY { if (CORD_oom_fn != (oom_fn) 0) (*CORD_oom_fn)(); \ - ABORT("Out of memory\n"); } -# define ABORT(msg) { fprintf(stderr, "%s\n", msg); abort(); } - -CORD CORD_cat_char(CORD x, char c) -{ - register char * string; - - if (c == '\0') return(CORD_cat(x, CORD_nul(1))); - string = GC_MALLOC_ATOMIC(2); - if (string == 0) OUT_OF_MEMORY; - string[0] = c; - string[1] = '\0'; - return(CORD_cat_char_star(x, string, 1)); -} - -CORD CORD_catn(int nargs, ...) -{ - register CORD result = CORD_EMPTY; - va_list args; - register int i; - - va_start(args, nargs); - for (i = 0; i < nargs; i++) { - register CORD next = va_arg(args, CORD); - result = CORD_cat(result, next); - } - va_end(args); - return(result); -} - -typedef struct { - size_t len; - size_t count; - char * buf; -} CORD_fill_data; - -int CORD_fill_proc(char c, void * client_data) -{ - register CORD_fill_data * d = (CORD_fill_data *)client_data; - register size_t count = d -> count; - - (d -> buf)[count] = c; - d -> count = ++count; - if (count >= d -> len) { - return(1); - } else { - return(0); - } -} - -int CORD_batched_fill_proc(const char * s, void * client_data) -{ - register CORD_fill_data * d = (CORD_fill_data *)client_data; - register size_t count = d -> count; - register size_t max = d -> len; - register char * buf = d -> buf; - register const char * t = s; - - while((buf[count] = *t++) != '\0') { - count++; - if (count >= max) { - d -> count = count; - return(1); - } - } - d -> count = count; - return(0); -} - -/* Fill buf with len characters starting at i. */ -/* Assumes len characters are available. */ -void CORD_fill_buf(CORD x, size_t i, size_t len, char * buf) -{ - CORD_fill_data fd; - - fd.len = len; - fd.buf = buf; - fd.count = 0; - (void)CORD_iter5(x, i, CORD_fill_proc, CORD_batched_fill_proc, &fd); -} - -int CORD_cmp(CORD x, CORD y) -{ - CORD_pos xpos; - CORD_pos ypos; - register size_t avail, yavail; - - if (y == CORD_EMPTY) return(x != CORD_EMPTY); - if (x == CORD_EMPTY) return(-1); - if (CORD_IS_STRING(y) && CORD_IS_STRING(x)) return(strcmp(x,y)); - CORD_set_pos(xpos, x, 0); - CORD_set_pos(ypos, y, 0); - for(;;) { - if (!CORD_pos_valid(xpos)) { - if (CORD_pos_valid(ypos)) { - return(-1); - } else { - return(0); - } - } - if (!CORD_pos_valid(ypos)) { - return(1); - } - if ((avail = CORD_pos_chars_left(xpos)) <= 0 - || (yavail = CORD_pos_chars_left(ypos)) <= 0) { - register char xcurrent = CORD_pos_fetch(xpos); - register char ycurrent = CORD_pos_fetch(ypos); - if (xcurrent != ycurrent) return(xcurrent - ycurrent); - CORD_next(xpos); - CORD_next(ypos); - } else { - /* process as many characters as we can */ - register int result; - - if (avail > yavail) avail = yavail; - result = strncmp(CORD_pos_cur_char_addr(xpos), - CORD_pos_cur_char_addr(ypos), avail); - if (result != 0) return(result); - CORD_pos_advance(xpos, avail); - CORD_pos_advance(ypos, avail); - } - } -} - -int CORD_ncmp(CORD x, size_t x_start, CORD y, size_t y_start, size_t len) -{ - CORD_pos xpos; - CORD_pos ypos; - register size_t count; - register long avail, yavail; - - CORD_set_pos(xpos, x, x_start); - CORD_set_pos(ypos, y, y_start); - for(count = 0; count < len;) { - if (!CORD_pos_valid(xpos)) { - if (CORD_pos_valid(ypos)) { - return(-1); - } else { - return(0); - } - } - if (!CORD_pos_valid(ypos)) { - return(1); - } - if ((avail = CORD_pos_chars_left(xpos)) <= 0 - || (yavail = CORD_pos_chars_left(ypos)) <= 0) { - register char xcurrent = CORD_pos_fetch(xpos); - register char ycurrent = CORD_pos_fetch(ypos); - if (xcurrent != ycurrent) return(xcurrent - ycurrent); - CORD_next(xpos); - CORD_next(ypos); - count++; - } else { - /* process as many characters as we can */ - register int result; - - if (avail > yavail) avail = yavail; - count += avail; - if (count > len) avail -= (count - len); - result = strncmp(CORD_pos_cur_char_addr(xpos), - CORD_pos_cur_char_addr(ypos), (size_t)avail); - if (result != 0) return(result); - CORD_pos_advance(xpos, (size_t)avail); - CORD_pos_advance(ypos, (size_t)avail); - } - } - return(0); -} - -char * CORD_to_char_star(CORD x) -{ - register size_t len = CORD_len(x); - char * result = GC_MALLOC_ATOMIC(len + 1); - - if (result == 0) OUT_OF_MEMORY; - CORD_fill_buf(x, 0, len, result); - result[len] = '\0'; - return(result); -} - -CORD CORD_from_char_star(const char *s) -{ - char * result; - size_t len = strlen(s); - - if (0 == len) return(CORD_EMPTY); - result = GC_MALLOC_ATOMIC(len + 1); - if (result == 0) OUT_OF_MEMORY; - memcpy(result, s, len+1); - return(result); -} - -const char * CORD_to_const_char_star(CORD x) -{ - if (x == 0) return(""); - if (CORD_IS_STRING(x)) return((const char *)x); - return(CORD_to_char_star(x)); -} - -char CORD_fetch(CORD x, size_t i) -{ - CORD_pos xpos; - - CORD_set_pos(xpos, x, i); - if (!CORD_pos_valid(xpos)) ABORT("bad index?"); - return(CORD_pos_fetch(xpos)); -} - - -int CORD_put_proc(char c, void * client_data) -{ - register FILE * f = (FILE *)client_data; - - return(putc(c, f) == EOF); -} - -int CORD_batched_put_proc(const char * s, void * client_data) -{ - register FILE * f = (FILE *)client_data; - - return(fputs(s, f) == EOF); -} - - -int CORD_put(CORD x, FILE * f) -{ - if (CORD_iter5(x, 0, CORD_put_proc, CORD_batched_put_proc, f)) { - return(EOF); - } else { - return(1); - } -} - -typedef struct { - size_t pos; /* Current position in the cord */ - char target; /* Character we're looking for */ -} chr_data; - -int CORD_chr_proc(char c, void * client_data) -{ - register chr_data * d = (chr_data *)client_data; - - if (c == d -> target) return(1); - (d -> pos) ++; - return(0); -} - -int CORD_rchr_proc(char c, void * client_data) -{ - register chr_data * d = (chr_data *)client_data; - - if (c == d -> target) return(1); - (d -> pos) --; - return(0); -} - -int CORD_batched_chr_proc(const char *s, void * client_data) -{ - register chr_data * d = (chr_data *)client_data; - register char * occ = strchr(s, d -> target); - - if (occ == 0) { - d -> pos += strlen(s); - return(0); - } else { - d -> pos += occ - s; - return(1); - } -} - -size_t CORD_chr(CORD x, size_t i, int c) -{ - chr_data d; - - d.pos = i; - d.target = c; - if (CORD_iter5(x, i, CORD_chr_proc, CORD_batched_chr_proc, &d)) { - return(d.pos); - } else { - return(CORD_NOT_FOUND); - } -} - -size_t CORD_rchr(CORD x, size_t i, int c) -{ - chr_data d; - - d.pos = i; - d.target = c; - if (CORD_riter4(x, i, CORD_rchr_proc, &d)) { - return(d.pos); - } else { - return(CORD_NOT_FOUND); - } -} - -/* Find the first occurrence of s in x at position start or later. */ -/* This uses an asymptotically poor algorithm, which should typically */ -/* perform acceptably. We compare the first few characters directly, */ -/* and call CORD_ncmp whenever there is a partial match. */ -/* This has the advantage that we allocate very little, or not at all. */ -/* It's very fast if there are few close misses. */ -size_t CORD_str(CORD x, size_t start, CORD s) -{ - CORD_pos xpos; - size_t xlen = CORD_len(x); - size_t slen; - register size_t start_len; - const char * s_start; - unsigned long s_buf = 0; /* The first few characters of s */ - unsigned long x_buf = 0; /* Start of candidate substring. */ - /* Initialized only to make compilers */ - /* happy. */ - unsigned long mask = 0; - register size_t i; - register size_t match_pos; - - if (s == CORD_EMPTY) return(start); - if (CORD_IS_STRING(s)) { - s_start = s; - slen = strlen(s); - } else { - s_start = CORD_to_char_star(CORD_substr(s, 0, sizeof(unsigned long))); - slen = CORD_len(s); - } - if (xlen < start || xlen - start < slen) return(CORD_NOT_FOUND); - start_len = slen; - if (start_len > sizeof(unsigned long)) start_len = sizeof(unsigned long); - CORD_set_pos(xpos, x, start); - for (i = 0; i < start_len; i++) { - mask <<= 8; - mask |= 0xff; - s_buf <<= 8; - s_buf |= (unsigned char)s_start[i]; - x_buf <<= 8; - x_buf |= (unsigned char)CORD_pos_fetch(xpos); - CORD_next(xpos); - } - for (match_pos = start; ; match_pos++) { - if ((x_buf & mask) == s_buf) { - if (slen == start_len || - CORD_ncmp(x, match_pos + start_len, - s, start_len, slen - start_len) == 0) { - return(match_pos); - } - } - if ( match_pos == xlen - slen ) { - return(CORD_NOT_FOUND); - } - x_buf <<= 8; - x_buf |= (unsigned char)CORD_pos_fetch(xpos); - CORD_next(xpos); - } -} - -void CORD_ec_flush_buf(CORD_ec x) -{ - register size_t len = x[0].ec_bufptr - x[0].ec_buf; - char * s; - - if (len == 0) return; - s = GC_MALLOC_ATOMIC(len+1); - memcpy(s, x[0].ec_buf, len); - s[len] = '\0'; - x[0].ec_cord = CORD_cat_char_star(x[0].ec_cord, s, len); - x[0].ec_bufptr = x[0].ec_buf; -} - -void CORD_ec_append_cord(CORD_ec x, CORD s) -{ - CORD_ec_flush_buf(x); - x[0].ec_cord = CORD_cat(x[0].ec_cord, s); -} - -/*ARGSUSED*/ -char CORD_nul_func(size_t i, void * client_data) -{ - return((char)(unsigned long)client_data); -} - - -CORD CORD_chars(char c, size_t i) -{ - return(CORD_from_fn(CORD_nul_func, (void *)(unsigned long)c, i)); -} - -CORD CORD_from_file_eager(FILE * f) -{ - register int c; - CORD_ec ecord; - - CORD_ec_init(ecord); - for(;;) { - c = getc(f); - if (c == 0) { - /* Append the right number of NULs */ - /* Note that any string of NULs is rpresented in 4 words, */ - /* independent of its length. */ - register size_t count = 1; - - CORD_ec_flush_buf(ecord); - while ((c = getc(f)) == 0) count++; - ecord[0].ec_cord = CORD_cat(ecord[0].ec_cord, CORD_nul(count)); - } - if (c == EOF) break; - CORD_ec_append(ecord, c); - } - (void) fclose(f); - return(CORD_balance(CORD_ec_to_cord(ecord))); -} - -/* The state maintained for a lazily read file consists primarily */ -/* of a large direct-mapped cache of previously read values. */ -/* We could rely more on stdio buffering. That would have 2 */ -/* disadvantages: */ -/* 1) Empirically, not all fseek implementations preserve the */ -/* buffer whenever they could. */ -/* 2) It would fail if 2 different sections of a long cord */ -/* were being read alternately. */ -/* We do use the stdio buffer for read ahead. */ -/* To guarantee thread safety in the presence of atomic pointer */ -/* writes, cache lines are always replaced, and never modified in */ -/* place. */ - -# define LOG_CACHE_SZ 14 -# define CACHE_SZ (1 << LOG_CACHE_SZ) -# define LOG_LINE_SZ 9 -# define LINE_SZ (1 << LOG_LINE_SZ) - -typedef struct { - size_t tag; - char data[LINE_SZ]; - /* data[i%LINE_SZ] = ith char in file if tag = i/LINE_SZ */ -} cache_line; - -typedef struct { - FILE * lf_file; - size_t lf_current; /* Current file pointer value */ - cache_line * volatile lf_cache[CACHE_SZ/LINE_SZ]; -} lf_state; - -# define MOD_CACHE_SZ(n) ((n) & (CACHE_SZ - 1)) -# define DIV_CACHE_SZ(n) ((n) >> LOG_CACHE_SZ) -# define MOD_LINE_SZ(n) ((n) & (LINE_SZ - 1)) -# define DIV_LINE_SZ(n) ((n) >> LOG_LINE_SZ) -# define LINE_START(n) ((n) & ~(LINE_SZ - 1)) - -typedef struct { - lf_state * state; - size_t file_pos; /* Position of needed character. */ - cache_line * new_cache; -} refill_data; - -/* Executed with allocation lock. */ -static char refill_cache(client_data) -refill_data * client_data; -{ - register lf_state * state = client_data -> state; - register size_t file_pos = client_data -> file_pos; - FILE *f = state -> lf_file; - size_t line_start = LINE_START(file_pos); - size_t line_no = DIV_LINE_SZ(MOD_CACHE_SZ(file_pos)); - cache_line * new_cache = client_data -> new_cache; - - if (line_start != state -> lf_current - && fseek(f, line_start, SEEK_SET) != 0) { - ABORT("fseek failed"); - } - if (fread(new_cache -> data, sizeof(char), LINE_SZ, f) - <= file_pos - line_start) { - ABORT("fread failed"); - } - new_cache -> tag = DIV_LINE_SZ(file_pos); - /* Store barrier goes here. */ - ATOMIC_WRITE(state -> lf_cache[line_no], new_cache); - state -> lf_current = line_start + LINE_SZ; - return(new_cache->data[MOD_LINE_SZ(file_pos)]); -} - -char CORD_lf_func(size_t i, void * client_data) -{ - register lf_state * state = (lf_state *)client_data; - register cache_line * volatile * cl_addr = - &(state -> lf_cache[DIV_LINE_SZ(MOD_CACHE_SZ(i))]); - register cache_line * cl = (cache_line *)ATOMIC_READ(cl_addr); - - if (cl == 0 || cl -> tag != DIV_LINE_SZ(i)) { - /* Cache miss */ - refill_data rd; - - rd.state = state; - rd.file_pos = i; - rd.new_cache = GC_NEW_ATOMIC(cache_line); - if (rd.new_cache == 0) OUT_OF_MEMORY; - return((char)(GC_word) - GC_call_with_alloc_lock((GC_fn_type) refill_cache, &rd)); - } - return(cl -> data[MOD_LINE_SZ(i)]); -} - -/*ARGSUSED*/ -void CORD_lf_close_proc(void * obj, void * client_data) -{ - if (fclose(((lf_state *)obj) -> lf_file) != 0) { - ABORT("CORD_lf_close_proc: fclose failed"); - } -} - -CORD CORD_from_file_lazy_inner(FILE * f, size_t len) -{ - register lf_state * state = GC_NEW(lf_state); - register int i; - - if (state == 0) OUT_OF_MEMORY; - if (len != 0) { - /* Dummy read to force buffer allocation. */ - /* This greatly increases the probability */ - /* of avoiding deadlock if buffer allocation */ - /* is redirected to GC_malloc and the */ - /* world is multithreaded. */ - char buf[1]; - - (void) fread(buf, 1, 1, f); - rewind(f); - } - state -> lf_file = f; - for (i = 0; i < CACHE_SZ/LINE_SZ; i++) { - state -> lf_cache[i] = 0; - } - state -> lf_current = 0; - GC_REGISTER_FINALIZER(state, CORD_lf_close_proc, 0, 0, 0); - return(CORD_from_fn(CORD_lf_func, state, len)); -} - -CORD CORD_from_file_lazy(FILE * f) -{ - register long len; - - if (fseek(f, 0l, SEEK_END) != 0) { - ABORT("Bad fd argument - fseek failed"); - } - if ((len = ftell(f)) < 0) { - ABORT("Bad fd argument - ftell failed"); - } - rewind(f); - return(CORD_from_file_lazy_inner(f, (size_t)len)); -} - -# define LAZY_THRESHOLD (128*1024 + 1) - -CORD CORD_from_file(FILE * f) -{ - register long len; - - if (fseek(f, 0l, SEEK_END) != 0) { - ABORT("Bad fd argument - fseek failed"); - } - if ((len = ftell(f)) < 0) { - ABORT("Bad fd argument - ftell failed"); - } - rewind(f); - if (len < LAZY_THRESHOLD) { - return(CORD_from_file_eager(f)); - } else { - return(CORD_from_file_lazy_inner(f, (size_t)len)); - } -} diff --git a/vendor/gc/cord/de.c b/vendor/gc/cord/de.c deleted file mode 100644 index 989e19a..0000000 --- a/vendor/gc/cord/de.c +++ /dev/null @@ -1,603 +0,0 @@ -/* - * Copyright (c) 1993-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - * Author: Hans-J. Boehm (boehm@parc.xerox.com) - */ -/* - * A really simple-minded text editor based on cords. - * Things it does right: - * No size bounds. - * Inbounded undo. - * Shouldn't crash no matter what file you invoke it on (e.g. /vmunix) - * (Make sure /vmunix is not writable before you try this.) - * Scrolls horizontally. - * Things it does wrong: - * It doesn't handle tabs reasonably (use "expand" first). - * The command set is MUCH too small. - * The redisplay algorithm doesn't let curses do the scrolling. - * The rule for moving the window over the file is suboptimal. - */ -/* Boehm, February 6, 1995 12:27 pm PST */ - -/* Boehm, May 19, 1994 2:20 pm PDT */ -#include -#include "gc.h" -#include "cord.h" - -#ifdef THINK_C -#define MACINTOSH -#include -#endif - -#if defined(__BORLANDC__) && !defined(WIN32) - /* If this is DOS or win16, we'll fail anyway. */ - /* Might as well assume win32. */ -# define WIN32 -#endif - -#if defined(WIN32) -# include -# include "de_win.h" -#elif defined(MACINTOSH) -# include -/* curses emulation. */ -# define initscr() -# define endwin() -# define nonl() -# define noecho() csetmode(C_NOECHO, stdout) -# define cbreak() csetmode(C_CBREAK, stdout) -# define refresh() -# define addch(c) putchar(c) -# define standout() cinverse(1, stdout) -# define standend() cinverse(0, stdout) -# define move(line,col) cgotoxy(col + 1, line + 1, stdout) -# define clrtoeol() ccleol(stdout) -# define de_error(s) { fprintf(stderr, s); getchar(); } -# define LINES 25 -# define COLS 80 -#else -# include -# define de_error(s) { fprintf(stderr, s); sleep(2); } -#endif -#include "de_cmds.h" - -/* List of line number to position mappings, in descending order. */ -/* There may be holes. */ -typedef struct LineMapRep { - int line; - size_t pos; - struct LineMapRep * previous; -} * line_map; - -/* List of file versions, one per edit operation */ -typedef struct HistoryRep { - CORD file_contents; - struct HistoryRep * previous; - line_map map; /* Invalid for first record "now" */ -} * history; - -history now = 0; -CORD current; /* == now -> file_contents. */ -size_t current_len; /* Current file length. */ -line_map current_map = 0; /* Current line no. to pos. map */ -size_t current_map_size = 0; /* Number of current_map entries. */ - /* Not always accurate, but reset */ - /* by prune_map. */ -# define MAX_MAP_SIZE 3000 - -/* Current display position */ -int dis_line = 0; -int dis_col = 0; - -# define ALL -1 -# define NONE - 2 -int need_redisplay = 0; /* Line that needs to be redisplayed. */ - - -/* Current cursor position. Always within file. */ -int line = 0; -int col = 0; -size_t file_pos = 0; /* Character position corresponding to cursor. */ - -/* Invalidate line map for lines > i */ -void invalidate_map(int i) -{ - while(current_map -> line > i) { - current_map = current_map -> previous; - current_map_size--; - } -} - -/* Reduce the number of map entries to save space for huge files. */ -/* This also affects maps in histories. */ -void prune_map() -{ - line_map map = current_map; - int start_line = map -> line; - - current_map_size = 0; - for(; map != 0; map = map -> previous) { - current_map_size++; - if (map -> line < start_line - LINES && map -> previous != 0) { - map -> previous = map -> previous -> previous; - } - } -} -/* Add mapping entry */ -void add_map(int line, size_t pos) -{ - line_map new_map = GC_NEW(struct LineMapRep); - - if (current_map_size >= MAX_MAP_SIZE) prune_map(); - new_map -> line = line; - new_map -> pos = pos; - new_map -> previous = current_map; - current_map = new_map; - current_map_size++; -} - - - -/* Return position of column *c of ith line in */ -/* current file. Adjust *c to be within the line.*/ -/* A 0 pointer is taken as 0 column. */ -/* Returns CORD_NOT_FOUND if i is too big. */ -/* Assumes i > dis_line. */ -size_t line_pos(int i, int *c) -{ - int j; - size_t cur; - size_t next; - line_map map = current_map; - - while (map -> line > i) map = map -> previous; - if (map -> line < i - 2) /* rebuild */ invalidate_map(i); - for (j = map -> line, cur = map -> pos; j < i;) { - cur = CORD_chr(current, cur, '\n'); - if (cur == current_len-1) return(CORD_NOT_FOUND); - cur++; - if (++j > current_map -> line) add_map(j, cur); - } - if (c != 0) { - next = CORD_chr(current, cur, '\n'); - if (next == CORD_NOT_FOUND) next = current_len - 1; - if (next < cur + *c) { - *c = next - cur; - } - cur += *c; - } - return(cur); -} - -void add_hist(CORD s) -{ - history new_file = GC_NEW(struct HistoryRep); - - new_file -> file_contents = current = s; - current_len = CORD_len(s); - new_file -> previous = now; - if (now != 0) now -> map = current_map; - now = new_file; -} - -void del_hist(void) -{ - now = now -> previous; - current = now -> file_contents; - current_map = now -> map; - current_len = CORD_len(current); -} - -/* Current screen_contents; a dynamically allocated array of CORDs */ -CORD * screen = 0; -int screen_size = 0; - -# ifndef WIN32 -/* Replace a line in the curses stdscr. All control characters are */ -/* displayed as upper case characters in standout mode. This isn't */ -/* terribly appropriate for tabs. */ -void replace_line(int i, CORD s) -{ - register int c; - CORD_pos p; - size_t len = CORD_len(s); - - if (screen == 0 || LINES > screen_size) { - screen_size = LINES; - screen = (CORD *)GC_MALLOC(screen_size * sizeof(CORD)); - } -# if !defined(MACINTOSH) - /* A gross workaround for an apparent curses bug: */ - if (i == LINES-1 && len == COLS) { - s = CORD_substr(s, 0, CORD_len(s) - 1); - } -# endif - if (CORD_cmp(screen[i], s) != 0) { - move(i, 0); clrtoeol(); move(i,0); - - CORD_FOR (p, s) { - c = CORD_pos_fetch(p) & 0x7f; - if (iscntrl(c)) { - standout(); addch(c + 0x40); standend(); - } else { - addch(c); - } - } - screen[i] = s; - } -} -#else -# define replace_line(i,s) invalidate_line(i) -#endif - -/* Return up to COLS characters of the line of s starting at pos, */ -/* returning only characters after the given column. */ -CORD retrieve_line(CORD s, size_t pos, unsigned column) -{ - CORD candidate = CORD_substr(s, pos, column + COLS); - /* avoids scanning very long lines */ - int eol = CORD_chr(candidate, 0, '\n'); - int len; - - if (eol == CORD_NOT_FOUND) eol = CORD_len(candidate); - len = (int)eol - (int)column; - if (len < 0) len = 0; - return(CORD_substr(s, pos + column, len)); -} - -# ifdef WIN32 -# define refresh(); - - CORD retrieve_screen_line(int i) - { - register size_t pos; - - invalidate_map(dis_line + LINES); /* Prune search */ - pos = line_pos(dis_line + i, 0); - if (pos == CORD_NOT_FOUND) return(CORD_EMPTY); - return(retrieve_line(current, pos, dis_col)); - } -# endif - -/* Display the visible section of the current file */ -void redisplay(void) -{ - register int i; - - invalidate_map(dis_line + LINES); /* Prune search */ - for (i = 0; i < LINES; i++) { - if (need_redisplay == ALL || need_redisplay == i) { - register size_t pos = line_pos(dis_line + i, 0); - - if (pos == CORD_NOT_FOUND) break; - replace_line(i, retrieve_line(current, pos, dis_col)); - if (need_redisplay == i) goto done; - } - } - for (; i < LINES; i++) replace_line(i, CORD_EMPTY); -done: - refresh(); - need_redisplay = NONE; -} - -int dis_granularity; - -/* Update dis_line, dis_col, and dis_pos to make cursor visible. */ -/* Assumes line, col, dis_line, dis_pos are in bounds. */ -void normalize_display() -{ - int old_line = dis_line; - int old_col = dis_col; - - dis_granularity = 1; - if (LINES > 15 && COLS > 15) dis_granularity = 2; - while (dis_line > line) dis_line -= dis_granularity; - while (dis_col > col) dis_col -= dis_granularity; - while (line >= dis_line + LINES) dis_line += dis_granularity; - while (col >= dis_col + COLS) dis_col += dis_granularity; - if (old_line != dis_line || old_col != dis_col) { - need_redisplay = ALL; - } -} - -# if defined(WIN32) -# elif defined(MACINTOSH) -# define move_cursor(x,y) cgotoxy(x + 1, y + 1, stdout) -# else -# define move_cursor(x,y) move(y,x) -# endif - -/* Adjust display so that cursor is visible; move cursor into position */ -/* Update screen if necessary. */ -void fix_cursor(void) -{ - normalize_display(); - if (need_redisplay != NONE) redisplay(); - move_cursor(col - dis_col, line - dis_line); - refresh(); -# ifndef WIN32 - fflush(stdout); -# endif -} - -/* Make sure line, col, and dis_pos are somewhere inside file. */ -/* Recompute file_pos. Assumes dis_pos is accurate or past eof */ -void fix_pos() -{ - int my_col = col; - - if ((size_t)line > current_len) line = current_len; - file_pos = line_pos(line, &my_col); - if (file_pos == CORD_NOT_FOUND) { - for (line = current_map -> line, file_pos = current_map -> pos; - file_pos < current_len; - line++, file_pos = CORD_chr(current, file_pos, '\n') + 1); - line--; - file_pos = line_pos(line, &col); - } else { - col = my_col; - } -} - -#if defined(WIN32) -# define beep() Beep(1000 /* Hz */, 300 /* msecs */) -#elif defined(MACINTOSH) -# define beep() SysBeep(1) -#else -/* - * beep() is part of some curses packages and not others. - * We try to match the type of the builtin one, if any. - */ -#ifdef __STDC__ - int beep(void) -#else - int beep() -#endif -{ - putc('\007', stderr); - return(0); -} -#endif - -# define NO_PREFIX -1 -# define BARE_PREFIX -2 -int repeat_count = NO_PREFIX; /* Current command prefix. */ - -int locate_mode = 0; /* Currently between 2 ^Ls */ -CORD locate_string = CORD_EMPTY; /* Current search string. */ - -char * arg_file_name; - -#ifdef WIN32 -/* Change the current position to whatever is currently displayed at */ -/* the given SCREEN coordinates. */ -void set_position(int c, int l) -{ - line = l + dis_line; - col = c + dis_col; - fix_pos(); - move_cursor(col - dis_col, line - dis_line); -} -#endif /* WIN32 */ - -/* Perform the command associated with character c. C may be an */ -/* integer > 256 denoting a windows command, one of the above control */ -/* characters, or another ASCII character to be used as either a */ -/* character to be inserted, a repeat count, or a search string, */ -/* depending on the current state. */ -void do_command(int c) -{ - int i; - int need_fix_pos; - FILE * out; - - if ( c == '\r') c = '\n'; - if (locate_mode) { - size_t new_pos; - - if (c == LOCATE) { - locate_mode = 0; - locate_string = CORD_EMPTY; - return; - } - locate_string = CORD_cat_char(locate_string, (char)c); - new_pos = CORD_str(current, file_pos - CORD_len(locate_string) + 1, - locate_string); - if (new_pos != CORD_NOT_FOUND) { - need_redisplay = ALL; - new_pos += CORD_len(locate_string); - for (;;) { - file_pos = line_pos(line + 1, 0); - if (file_pos > new_pos) break; - line++; - } - col = new_pos - line_pos(line, 0); - file_pos = new_pos; - fix_cursor(); - } else { - locate_string = CORD_substr(locate_string, 0, - CORD_len(locate_string) - 1); - beep(); - } - return; - } - if (c == REPEAT) { - repeat_count = BARE_PREFIX; return; - } else if (c < 0x100 && isdigit(c)){ - if (repeat_count == BARE_PREFIX) { - repeat_count = c - '0'; return; - } else if (repeat_count != NO_PREFIX) { - repeat_count = 10 * repeat_count + c - '0'; return; - } - } - if (repeat_count == NO_PREFIX) repeat_count = 1; - if (repeat_count == BARE_PREFIX && (c == UP || c == DOWN)) { - repeat_count = LINES - dis_granularity; - } - if (repeat_count == BARE_PREFIX) repeat_count = 8; - need_fix_pos = 0; - for (i = 0; i < repeat_count; i++) { - switch(c) { - case LOCATE: - locate_mode = 1; - break; - case TOP: - line = col = file_pos = 0; - break; - case UP: - if (line != 0) { - line--; - need_fix_pos = 1; - } - break; - case DOWN: - line++; - need_fix_pos = 1; - break; - case LEFT: - if (col != 0) { - col--; file_pos--; - } - break; - case RIGHT: - if (CORD_fetch(current, file_pos) == '\n') break; - col++; file_pos++; - break; - case UNDO: - del_hist(); - need_redisplay = ALL; need_fix_pos = 1; - break; - case BS: - if (col == 0) { - beep(); - break; - } - col--; file_pos--; - /* fall through: */ - case DEL: - if (file_pos == current_len-1) break; - /* Can't delete trailing newline */ - if (CORD_fetch(current, file_pos) == '\n') { - need_redisplay = ALL; need_fix_pos = 1; - } else { - need_redisplay = line - dis_line; - } - add_hist(CORD_cat( - CORD_substr(current, 0, file_pos), - CORD_substr(current, file_pos+1, current_len))); - invalidate_map(line); - break; - case WRITE: - { - CORD name = CORD_cat(CORD_from_char_star(arg_file_name), - ".new"); - - if ((out = fopen(CORD_to_const_char_star(name), "wb")) == NULL - || CORD_put(current, out) == EOF) { - de_error("Write failed\n"); - need_redisplay = ALL; - } else { - fclose(out); - } - } - break; - default: - { - CORD left_part = CORD_substr(current, 0, file_pos); - CORD right_part = CORD_substr(current, file_pos, current_len); - - add_hist(CORD_cat(CORD_cat_char(left_part, (char)c), - right_part)); - invalidate_map(line); - if (c == '\n') { - col = 0; line++; file_pos++; - need_redisplay = ALL; - } else { - col++; file_pos++; - need_redisplay = line - dis_line; - } - break; - } - } - } - if (need_fix_pos) fix_pos(); - fix_cursor(); - repeat_count = NO_PREFIX; -} - -/* OS independent initialization */ - -void generic_init(void) -{ - FILE * f; - CORD initial; - - if ((f = fopen(arg_file_name, "rb")) == NULL) { - initial = "\n"; - } else { - initial = CORD_from_file(f); - if (initial == CORD_EMPTY - || CORD_fetch(initial, CORD_len(initial)-1) != '\n') { - initial = CORD_cat(initial, "\n"); - } - } - add_map(0,0); - add_hist(initial); - now -> map = current_map; - now -> previous = now; /* Can't back up further: beginning of the world */ - need_redisplay = ALL; - fix_cursor(); -} - -#ifndef WIN32 - -main(argc, argv) -int argc; -char ** argv; -{ - int c; - -#if defined(MACINTOSH) - console_options.title = "\pDumb Editor"; - cshow(stdout); - argc = ccommand(&argv); -#endif - GC_INIT(); - - if (argc != 2) goto usage; - arg_file_name = argv[1]; - setvbuf(stdout, GC_MALLOC_ATOMIC(8192), _IOFBF, 8192); - initscr(); - noecho(); nonl(); cbreak(); - generic_init(); - while ((c = getchar()) != QUIT) { - if (c == EOF) break; - do_command(c); - } -done: - move(LINES-1, 0); - clrtoeol(); - refresh(); - nl(); - echo(); - endwin(); - exit(0); -usage: - fprintf(stderr, "Usage: %s file\n", argv[0]); - fprintf(stderr, "Cursor keys: ^B(left) ^F(right) ^P(up) ^N(down)\n"); - fprintf(stderr, "Undo: ^U Write to .new: ^W"); - fprintf(stderr, "Quit:^D Repeat count: ^R[n]\n"); - fprintf(stderr, "Top: ^T Locate (search, find): ^L text ^L\n"); - exit(1); -} - -#endif /* !WIN32 */ diff --git a/vendor/gc/cord/de_cmds.h b/vendor/gc/cord/de_cmds.h deleted file mode 100644 index f42ddcf..0000000 --- a/vendor/gc/cord/de_cmds.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright (c) 1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, May 19, 1994 2:24 pm PDT */ - -#ifndef DE_CMDS_H - -# define DE_CMDS_H - -# define UP 16 /* ^P */ -# define DOWN 14 /* ^N */ -# define LEFT 2 /* ^B */ -# define RIGHT 6 /* ^F */ -# define DEL 127 /* ^? */ -# define BS 8 /* ^H */ -# define UNDO 21 /* ^U */ -# define WRITE 23 /* ^W */ -# define QUIT 4 /* ^D */ -# define REPEAT 18 /* ^R */ -# define LOCATE 12 /* ^L */ -# define TOP 20 /* ^T */ - -#endif - diff --git a/vendor/gc/cord/de_win.ICO b/vendor/gc/cord/de_win.ICO deleted file mode 100755 index b20ac3ee16a9c8751e2ee6ce3c757dfb1f687258..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 766 zcmeH_p$@_@5Qc9AGl#-%k~f%yw?dKDVds#%0XzVLy2(8OsXz=#GBK76e*TUutjRKk zE`& zOG8S%%P top = line * char_height; - rectp -> bottom = rectp->top + char_height; - rectp -> left = 0; - rectp -> right = win_width; -} - -int caret_visible = 0; /* Caret is currently visible. */ - -int screen_was_painted = 0;/* Screen has been painted at least once. */ - -void update_cursor(void); - -INT_PTR CALLBACK AboutBoxCallback( HWND hDlg, UINT message, - WPARAM wParam, LPARAM lParam ) -{ - switch( message ) - { - case WM_INITDIALOG: - SetFocus( GetDlgItem( hDlg, IDOK ) ); - break; - - case WM_COMMAND: - switch( wParam ) - { - case IDOK: - EndDialog( hDlg, TRUE ); - break; - } - break; - - case WM_CLOSE: - EndDialog( hDlg, TRUE ); - return TRUE; - - } - return FALSE; -} - -LRESULT CALLBACK WndProc (HWND hwnd, UINT message, - WPARAM wParam, LPARAM lParam) -{ - static HANDLE hInstance; - HDC dc; - PAINTSTRUCT ps; - RECT client_area; - RECT this_line; - RECT dummy; - TEXTMETRIC tm; - register int i; - int id; - - switch (message) - { - case WM_CREATE: - hInstance = ( (LPCREATESTRUCT) lParam)->hInstance; - dc = GetDC(hwnd); - SelectObject(dc, GetStockObject(SYSTEM_FIXED_FONT)); - GetTextMetrics(dc, &tm); - ReleaseDC(hwnd, dc); - char_width = tm.tmAveCharWidth; - char_height = tm.tmHeight + tm.tmExternalLeading; - GetClientRect(hwnd, &client_area); - COLS = (client_area.right - client_area.left)/char_width; - LINES = (client_area.bottom - client_area.top)/char_height; - generic_init(); - return(0); - - case WM_CHAR: - if (wParam == QUIT) { - SendMessage( hwnd, WM_CLOSE, 0, 0L ); - } else { - do_command((int)wParam); - } - return(0); - - case WM_SETFOCUS: - CreateCaret(hwnd, NULL, char_width, char_height); - ShowCaret(hwnd); - caret_visible = 1; - update_cursor(); - return(0); - - case WM_KILLFOCUS: - HideCaret(hwnd); - DestroyCaret(); - caret_visible = 0; - return(0); - - case WM_LBUTTONUP: - { - unsigned xpos = LOWORD(lParam); /* From left */ - unsigned ypos = HIWORD(lParam); /* from top */ - - set_position( xpos/char_width, ypos/char_height ); - return(0); - } - - case WM_COMMAND: - id = LOWORD(wParam); - if (id & EDIT_CMD_FLAG) { - if (id & REPEAT_FLAG) do_command(REPEAT); - do_command(CHAR_CMD(id)); - return( 0 ); - } else { - switch(id) { - case IDM_FILEEXIT: - SendMessage( hwnd, WM_CLOSE, 0, 0L ); - return( 0 ); - - case IDM_HELPABOUT: - if( DialogBox( hInstance, "ABOUTBOX", - hwnd, AboutBoxCallback ) ) - InvalidateRect( hwnd, NULL, TRUE ); - return( 0 ); - case IDM_HELPCONTENTS: - de_error( - "Cursor keys: ^B(left) ^F(right) ^P(up) ^N(down)\n" - "Undo: ^U Write: ^W Quit:^D Repeat count: ^R[n]\n" - "Top: ^T Locate (search, find): ^L text ^L\n"); - return( 0 ); - } - } - break; - - case WM_CLOSE: - DestroyWindow( hwnd ); - return 0; - - case WM_DESTROY: - PostQuitMessage (0); - GC_win32_free_heap(); - return 0; - - case WM_PAINT: - dc = BeginPaint(hwnd, &ps); - GetClientRect(hwnd, &client_area); - COLS = (client_area.right - client_area.left)/char_width; - LINES = (client_area.bottom - client_area.top)/char_height; - SelectObject(dc, GetStockObject(SYSTEM_FIXED_FONT)); - for (i = 0; i < LINES; i++) { - get_line_rect(i, client_area.right, &this_line); - if (IntersectRect(&dummy, &this_line, &ps.rcPaint)) { - CORD raw_line = retrieve_screen_line(i); - size_t len = CORD_len(raw_line); - char * text = CORD_to_char_star(raw_line); - /* May contain embedded NULLs */ - char * plain = plain_chars(text, len); - char * blanks = CORD_to_char_star(CORD_chars(' ', - COLS - len)); - char * control = control_chars(text, len); -# define RED RGB(255,0,0) - - SetBkMode(dc, OPAQUE); - SetTextColor(dc, GetSysColor(COLOR_WINDOWTEXT)); - - TextOut(dc, this_line.left, this_line.top, - plain, (int)len); - TextOut(dc, this_line.left + (int)len * char_width, - this_line.top, - blanks, (int)(COLS - len)); - SetBkMode(dc, TRANSPARENT); - SetTextColor(dc, RED); - TextOut(dc, this_line.left, this_line.top, - control, (int)strlen(control)); - } - } - EndPaint(hwnd, &ps); - screen_was_painted = 1; - return 0; - } - return DefWindowProc (hwnd, message, wParam, lParam); -} - -int last_col; -int last_line; - -void move_cursor(int c, int l) -{ - last_col = c; - last_line = l; - - if (caret_visible) update_cursor(); -} - -void update_cursor(void) -{ - SetCaretPos(last_col * char_width, last_line * char_height); - ShowCaret(hwnd); -} - -void invalidate_line(int i) -{ - RECT line; - - if (!screen_was_painted) return; - /* Invalidating a rectangle before painting seems result in a */ - /* major performance problem. */ - get_line_rect(i, COLS*char_width, &line); - InvalidateRect(hwnd, &line, FALSE); -} - diff --git a/vendor/gc/cord/de_win.h b/vendor/gc/cord/de_win.h deleted file mode 100644 index 57a47b4..0000000 --- a/vendor/gc/cord/de_win.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Copyright (c) 1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, May 19, 1994 2:25 pm PDT */ - -/* cord.h, de_cmds.h, and windows.h should be included before this. */ - - -# define OTHER_FLAG 0x100 -# define EDIT_CMD_FLAG 0x200 -# define REPEAT_FLAG 0x400 - -# define CHAR_CMD(i) ((i) & 0xff) - -/* MENU: DE */ -#define IDM_FILESAVE (EDIT_CMD_FLAG + WRITE) -#define IDM_FILEEXIT (OTHER_FLAG + 1) -#define IDM_HELPABOUT (OTHER_FLAG + 2) -#define IDM_HELPCONTENTS (OTHER_FLAG + 3) - -#define IDM_EDITPDOWN (REPEAT_FLAG + EDIT_CMD_FLAG + DOWN) -#define IDM_EDITPUP (REPEAT_FLAG + EDIT_CMD_FLAG + UP) -#define IDM_EDITUNDO (EDIT_CMD_FLAG + UNDO) -#define IDM_EDITLOCATE (EDIT_CMD_FLAG + LOCATE) -#define IDM_EDITDOWN (EDIT_CMD_FLAG + DOWN) -#define IDM_EDITUP (EDIT_CMD_FLAG + UP) -#define IDM_EDITLEFT (EDIT_CMD_FLAG + LEFT) -#define IDM_EDITRIGHT (EDIT_CMD_FLAG + RIGHT) -#define IDM_EDITBS (EDIT_CMD_FLAG + BS) -#define IDM_EDITDEL (EDIT_CMD_FLAG + DEL) -#define IDM_EDITREPEAT (EDIT_CMD_FLAG + REPEAT) -#define IDM_EDITTOP (EDIT_CMD_FLAG + TOP) - - - - -/* Windows UI stuff */ - -LRESULT CALLBACK WndProc (HWND hwnd, UINT message, - UINT wParam, LONG lParam); - -LRESULT CALLBACK AboutBox( HWND hDlg, UINT message, - UINT wParam, LONG lParam ); - - -/* Screen dimensions. Maintained by de_win.c. */ -extern int LINES; -extern int COLS; - -/* File being edited. */ -extern char * arg_file_name; - -/* Current display position in file. Maintained by de.c */ -extern int dis_line; -extern int dis_col; - -/* Current cursor position in file. */ -extern int line; -extern int col; - -/* - * Calls from de_win.c to de.c - */ - -CORD retrieve_screen_line(int i); - /* Get the contents of i'th screen line. */ - /* Relies on COLS. */ - -void set_position(int x, int y); - /* Set column, row. Upper left of window = (0,0). */ - -void do_command(int); - /* Execute an editor command. */ - /* Agument is a command character or one */ - /* of the IDM_ commands. */ - -void generic_init(void); - /* OS independent initialization */ - - -/* - * Calls from de.c to de_win.c - */ - -void move_cursor(int column, int line); - /* Physically move the cursor on the display, */ - /* so that it appears at */ - /* (column, line). */ - -void invalidate_line(int line); - /* Invalidate line i on the screen. */ - -void de_error(char *s); - /* Display error message. */ \ No newline at end of file diff --git a/vendor/gc/darwin_stop_world.c b/vendor/gc/darwin_stop_world.c deleted file mode 100644 index 9d3d1e2..0000000 --- a/vendor/gc/darwin_stop_world.c +++ /dev/null @@ -1,601 +0,0 @@ -#include "private/pthread_support.h" - -/* This probably needs more porting work to ppc64. */ - -# if defined(GC_DARWIN_THREADS) - -/* From "Inside Mac OS X - Mach-O Runtime Architecture" published by Apple - Page 49: - "The space beneath the stack pointer, where a new stack frame would normally - be allocated, is called the red zone. This area as shown in Figure 3-2 may - be used for any purpose as long as a new stack frame does not need to be - added to the stack." - - Page 50: "If a leaf procedure's red zone usage would exceed 224 bytes, then - it must set up a stack frame just like routines that call other routines." -*/ -#ifdef POWERPC -# if CPP_WORDSZ == 32 -# define PPC_RED_ZONE_SIZE 224 -# elif CPP_WORDSZ == 64 -# define PPC_RED_ZONE_SIZE 320 -# endif -#endif - -typedef struct StackFrame { - unsigned long savedSP; - unsigned long savedCR; - unsigned long savedLR; - unsigned long reserved[2]; - unsigned long savedRTOC; -} StackFrame; - -unsigned long FindTopOfStack(unsigned long stack_start) -{ - StackFrame *frame; - - if (stack_start == 0) { -# ifdef POWERPC -# if CPP_WORDSZ == 32 - __asm__ volatile("lwz %0,0(r1)" : "=r" (frame)); -# else - __asm__ volatile("ld %0,0(r1)" : "=r" (frame)); -# endif -# endif - } else { - frame = (StackFrame *)stack_start; - } - -# ifdef DEBUG_THREADS - /* GC_printf("FindTopOfStack start at sp = %p\n", frame); */ -# endif - do { - if (frame->savedSP == 0) - break; - /* if there are no more stack frames, stop */ - - frame = (StackFrame*)frame->savedSP; - - /* we do these next two checks after going to the next frame - because the LR for the first stack frame in the loop - is not set up on purpose, so we shouldn't check it. */ - if ((frame->savedLR & ~3) == 0) - break; /* if the next LR is bogus, stop */ - if ((~(frame->savedLR) & ~3) == 0) - break; /* ditto */ - } while (1); - -# ifdef DEBUG_THREADS - /* GC_printf("FindTopOfStack finish at sp = %p\n", frame); */ -# endif - - return (unsigned long)frame; -} - -#ifdef DARWIN_DONT_PARSE_STACK -void GC_push_all_stacks() -{ - int i; - kern_return_t r; - GC_thread p; - pthread_t me; - ptr_t lo, hi; - GC_THREAD_STATE_T state; - /* MACHINE_THREAD_STATE_COUNT doesn't seem to be defined everywhere. */ - /* Hence we use our own version. */ - mach_msg_type_number_t thread_state_count = GC_MACH_THREAD_STATE_COUNT; - - me = pthread_self(); - if (!GC_thr_initialized) - GC_thr_init(); - - for(i = 0; i < THREAD_TABLE_SZ; i++) { - for(p = GC_threads[i]; p != 0; p = p->next) { - if(p->flags & FINISHED) continue; - if(pthread_equal(p->id, me)) { - lo = GC_approx_sp(); - } else { - /* Get the thread state (registers, etc) */ - r = thread_get_state(p->stop_info.mach_thread, GC_MACH_THREAD_STATE, - (natural_t*)&state, &thread_state_count); - -# ifdef DEBUG_THREADS - GC_printf("thread_get_state return value = %d\n", r); -# endif - - if(r != KERN_SUCCESS) - ABORT("thread_get_state failed"); - -# if defined(I386) - lo = (void*)state . THREAD_FLD (esp); - GC_push_one(state . THREAD_FLD (eax)); - GC_push_one(state . THREAD_FLD (ebx)); - GC_push_one(state . THREAD_FLD (ecx)); - GC_push_one(state . THREAD_FLD (edx)); - GC_push_one(state . THREAD_FLD (edi)); - GC_push_one(state . THREAD_FLD (esi)); - GC_push_one(state . THREAD_FLD (ebp)); - -# elif defined(X86_64) - lo = (void*)state . THREAD_FLD (rsp); - GC_push_one(state . THREAD_FLD (rax)); - GC_push_one(state . THREAD_FLD (rbx)); - GC_push_one(state . THREAD_FLD (rcx)); - GC_push_one(state . THREAD_FLD (rdx)); - GC_push_one(state . THREAD_FLD (rdi)); - GC_push_one(state . THREAD_FLD (rsi)); - GC_push_one(state . THREAD_FLD (rbp)); - GC_push_one(state . THREAD_FLD (rsp)); - GC_push_one(state . THREAD_FLD (r8)); - GC_push_one(state . THREAD_FLD (r9)); - GC_push_one(state . THREAD_FLD (r10)); - GC_push_one(state . THREAD_FLD (r11)); - GC_push_one(state . THREAD_FLD (r12)); - GC_push_one(state . THREAD_FLD (r13)); - GC_push_one(state . THREAD_FLD (r14)); - GC_push_one(state . THREAD_FLD (r15)); - GC_push_one(state . THREAD_FLD (rip)); - GC_push_one(state . THREAD_FLD (rflags)); - GC_push_one(state . THREAD_FLD (cs)); - GC_push_one(state . THREAD_FLD (fs)); - GC_push_one(state . THREAD_FLD (gs)); - -# elif defined(POWERPC) - lo = (void*)(state . THREAD_FLD (r1) - PPC_RED_ZONE_SIZE); - - GC_push_one(state . THREAD_FLD (r0)); - GC_push_one(state . THREAD_FLD (r2)); - GC_push_one(state . THREAD_FLD (r3)); - GC_push_one(state . THREAD_FLD (r4)); - GC_push_one(state . THREAD_FLD (r5)); - GC_push_one(state . THREAD_FLD (r6)); - GC_push_one(state . THREAD_FLD (r7)); - GC_push_one(state . THREAD_FLD (r8)); - GC_push_one(state . THREAD_FLD (r9)); - GC_push_one(state . THREAD_FLD (r10)); - GC_push_one(state . THREAD_FLD (r11)); - GC_push_one(state . THREAD_FLD (r12)); - GC_push_one(state . THREAD_FLD (r13)); - GC_push_one(state . THREAD_FLD (r14)); - GC_push_one(state . THREAD_FLD (r15)); - GC_push_one(state . THREAD_FLD (r16)); - GC_push_one(state . THREAD_FLD (r17)); - GC_push_one(state . THREAD_FLD (r18)); - GC_push_one(state . THREAD_FLD (r19)); - GC_push_one(state . THREAD_FLD (r20)); - GC_push_one(state . THREAD_FLD (r21)); - GC_push_one(state . THREAD_FLD (r22)); - GC_push_one(state . THREAD_FLD (r23)); - GC_push_one(state . THREAD_FLD (r24)); - GC_push_one(state . THREAD_FLD (r25)); - GC_push_one(state . THREAD_FLD (r26)); - GC_push_one(state . THREAD_FLD (r27)); - GC_push_one(state . THREAD_FLD (r28)); - GC_push_one(state . THREAD_FLD (r29)); - GC_push_one(state . THREAD_FLD (r30)); - GC_push_one(state . THREAD_FLD (r31)); -# else -# error FIXME for non-x86 || ppc architectures -# endif - } /* p != me */ - if(p->flags & MAIN_THREAD) - hi = GC_stackbottom; - else - hi = p->stack_end; -# if DEBUG_THREADS - GC_printf("Darwin: Stack for thread 0x%lx = [%lx,%lx)\n", - (unsigned long) p -> id, (unsigned long) lo, - (unsigned long) hi); -# endif - GC_push_all_stack(lo, hi); - } /* for(p=GC_threads[i]...) */ - } /* for(i=0;i -#include -#include "private/dbg_mlc.h" - -void GC_default_print_heap_obj_proc(); -GC_API void GC_register_finalizer_no_order - (void * obj, GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void * *ocd); - - -#ifndef SHORT_DBG_HDRS -/* Check whether object with base pointer p has debugging info */ -/* p is assumed to point to a legitimate object in our part */ -/* of the heap. */ -/* This excludes the check as to whether the back pointer is */ -/* odd, which is added by the GC_HAS_DEBUG_INFO macro. */ -/* Note that if DBG_HDRS_ALL is set, uncollectable objects */ -/* on free lists may not have debug information set. Thus it's */ -/* not always safe to return TRUE, even if the client does */ -/* its part. */ -GC_bool GC_has_other_debug_info(ptr_t p) -{ - register oh * ohdr = (oh *)p; - register ptr_t body = (ptr_t)(ohdr + 1); - register word sz = GC_size((ptr_t) ohdr); - - if (HBLKPTR((ptr_t)ohdr) != HBLKPTR((ptr_t)body) - || sz < DEBUG_BYTES + EXTRA_BYTES) { - return(FALSE); - } - if (ohdr -> oh_sz == sz) { - /* Object may have had debug info, but has been deallocated */ - return(FALSE); - } - if (ohdr -> oh_sf == (START_FLAG ^ (word)body)) return(TRUE); - if (((word *)ohdr)[BYTES_TO_WORDS(sz)-1] == (END_FLAG ^ (word)body)) { - return(TRUE); - } - return(FALSE); -} -#endif - -#ifdef KEEP_BACK_PTRS - -# include - -# if defined(__GLIBC__) || defined(SOLARIS) \ - || defined(HPUX) || defined(IRIX5) || defined(OSF1) -# define RANDOM() random() -# else -# define RANDOM() (long)rand() -# endif - - /* Store back pointer to source in dest, if that appears to be possible. */ - /* This is not completely safe, since we may mistakenly conclude that */ - /* dest has a debugging wrapper. But the error probability is very */ - /* small, and this shouldn't be used in production code. */ - /* We assume that dest is the real base pointer. Source will usually */ - /* be a pointer to the interior of an object. */ - void GC_store_back_pointer(ptr_t source, ptr_t dest) - { - if (GC_HAS_DEBUG_INFO(dest)) { - ((oh *)dest) -> oh_back_ptr = HIDE_BACK_PTR(source); - } - } - - void GC_marked_for_finalization(ptr_t dest) { - GC_store_back_pointer(MARKED_FOR_FINALIZATION, dest); - } - - /* Store information about the object referencing dest in *base_p */ - /* and *offset_p. */ - /* source is root ==> *base_p = address, *offset_p = 0 */ - /* source is heap object ==> *base_p != 0, *offset_p = offset */ - /* Returns 1 on success, 0 if source couldn't be determined. */ - /* Dest can be any address within a heap object. */ - GC_ref_kind GC_get_back_ptr_info(void *dest, void **base_p, size_t *offset_p) - { - oh * hdr = (oh *)GC_base(dest); - ptr_t bp; - ptr_t bp_base; - if (!GC_HAS_DEBUG_INFO((ptr_t) hdr)) return GC_NO_SPACE; - bp = REVEAL_POINTER(hdr -> oh_back_ptr); - if (MARKED_FOR_FINALIZATION == bp) return GC_FINALIZER_REFD; - if (MARKED_FROM_REGISTER == bp) return GC_REFD_FROM_REG; - if (NOT_MARKED == bp) return GC_UNREFERENCED; -# if ALIGNMENT == 1 - /* Heuristically try to fix off by 1 errors we introduced by */ - /* insisting on even addresses. */ - { - ptr_t alternate_ptr = bp + 1; - ptr_t target = *(ptr_t *)bp; - ptr_t alternate_target = *(ptr_t *)alternate_ptr; - - if (alternate_target >= GC_least_plausible_heap_addr - && alternate_target <= GC_greatest_plausible_heap_addr - && (target < GC_least_plausible_heap_addr - || target > GC_greatest_plausible_heap_addr)) { - bp = alternate_ptr; - } - } -# endif - bp_base = GC_base(bp); - if (0 == bp_base) { - *base_p = bp; - *offset_p = 0; - return GC_REFD_FROM_ROOT; - } else { - if (GC_HAS_DEBUG_INFO(bp_base)) bp_base += sizeof(oh); - *base_p = bp_base; - *offset_p = bp - bp_base; - return GC_REFD_FROM_HEAP; - } - } - - /* Generate a random heap address. */ - /* The resulting address is in the heap, but */ - /* not necessarily inside a valid object. */ - void *GC_generate_random_heap_address(void) - { - int i; - long heap_offset = RANDOM(); - if (GC_heapsize > RAND_MAX) { - heap_offset *= RAND_MAX; - heap_offset += RANDOM(); - } - heap_offset %= GC_heapsize; - /* This doesn't yield a uniform distribution, especially if */ - /* e.g. RAND_MAX = 1.5* GC_heapsize. But for typical cases, */ - /* it's not too bad. */ - for (i = 0; i < GC_n_heap_sects; ++ i) { - size_t size = GC_heap_sects[i].hs_bytes; - if (heap_offset < size) { - return GC_heap_sects[i].hs_start + heap_offset; - } else { - heap_offset -= size; - } - } - ABORT("GC_generate_random_heap_address: size inconsistency"); - /*NOTREACHED*/ - return 0; - } - - /* Generate a random address inside a valid marked heap object. */ - void *GC_generate_random_valid_address(void) - { - ptr_t result; - ptr_t base; - for (;;) { - result = GC_generate_random_heap_address(); - base = GC_base(result); - if (0 == base) continue; - if (!GC_is_marked(base)) continue; - return result; - } - } - - /* Print back trace for p */ - void GC_print_backtrace(void *p) - { - void *current = p; - int i; - GC_ref_kind source; - size_t offset; - void *base; - - GC_print_heap_obj(GC_base(current)); - GC_err_printf("\n"); - for (i = 0; ; ++i) { - source = GC_get_back_ptr_info(current, &base, &offset); - if (GC_UNREFERENCED == source) { - GC_err_printf("Reference could not be found\n"); - goto out; - } - if (GC_NO_SPACE == source) { - GC_err_printf("No debug info in object: Can't find reference\n"); - goto out; - } - GC_err_printf("Reachable via %d levels of pointers from ", - (unsigned long)i); - switch(source) { - case GC_REFD_FROM_ROOT: - GC_err_printf("root at %p\n\n", base); - goto out; - case GC_REFD_FROM_REG: - GC_err_printf("root in register\n\n"); - goto out; - case GC_FINALIZER_REFD: - GC_err_printf("list of finalizable objects\n\n"); - goto out; - case GC_REFD_FROM_HEAP: - GC_err_printf("offset %ld in object:\n", (unsigned long)offset); - /* Take GC_base(base) to get real base, i.e. header. */ - GC_print_heap_obj(GC_base(base)); - GC_err_printf("\n"); - break; - } - current = base; - } - out:; - } - - /* Force a garbage collection and generate a backtrace from a */ - /* random heap address. */ - void GC_generate_random_backtrace_no_gc(void) - { - void * current; - current = GC_generate_random_valid_address(); - GC_printf("\n****Chose address %p in object\n", current); - GC_print_backtrace(current); - } - - void GC_generate_random_backtrace(void) - { - GC_gcollect(); - GC_generate_random_backtrace_no_gc(); - } - -#endif /* KEEP_BACK_PTRS */ - -# define CROSSES_HBLK(p, sz) \ - (((word)(p + sizeof(oh) + sz - 1) ^ (word)p) >= HBLKSIZE) -/* Store debugging info into p. Return displaced pointer. */ -/* Assumes we don't hold allocation lock. */ -ptr_t GC_store_debug_info(ptr_t p, word sz, const char *string, word integer) -{ - register word * result = (word *)((oh *)p + 1); - DCL_LOCK_STATE; - - /* There is some argument that we should dissble signals here. */ - /* But that's expensive. And this way things should only appear */ - /* inconsistent while we're in the handler. */ - LOCK(); - GC_ASSERT(GC_size(p) >= sizeof(oh) + sz); - GC_ASSERT(!(SMALL_OBJ(sz) && CROSSES_HBLK(p, sz))); -# ifdef KEEP_BACK_PTRS - ((oh *)p) -> oh_back_ptr = HIDE_BACK_PTR(NOT_MARKED); -# endif -# ifdef MAKE_BACK_GRAPH - ((oh *)p) -> oh_bg_ptr = HIDE_BACK_PTR((ptr_t)0); -# endif - ((oh *)p) -> oh_string = string; - ((oh *)p) -> oh_int = integer; -# ifndef SHORT_DBG_HDRS - ((oh *)p) -> oh_sz = sz; - ((oh *)p) -> oh_sf = START_FLAG ^ (word)result; - ((word *)p)[BYTES_TO_WORDS(GC_size(p))-1] = - result[SIMPLE_ROUNDED_UP_WORDS(sz)] = END_FLAG ^ (word)result; -# endif - UNLOCK(); - return((ptr_t)result); -} - -#ifdef DBG_HDRS_ALL -/* Store debugging info into p. Return displaced pointer. */ -/* This version assumes we do hold the allocation lock. */ -ptr_t GC_store_debug_info_inner(ptr_t p, word sz, char *string, word integer) -{ - register word * result = (word *)((oh *)p + 1); - - /* There is some argument that we should disable signals here. */ - /* But that's expensive. And this way things should only appear */ - /* inconsistent while we're in the handler. */ - GC_ASSERT(GC_size(p) >= sizeof(oh) + sz); - GC_ASSERT(!(SMALL_OBJ(sz) && CROSSES_HBLK(p, sz))); -# ifdef KEEP_BACK_PTRS - ((oh *)p) -> oh_back_ptr = HIDE_BACK_PTR(NOT_MARKED); -# endif -# ifdef MAKE_BACK_GRAPH - ((oh *)p) -> oh_bg_ptr = HIDE_BACK_PTR((ptr_t)0); -# endif - ((oh *)p) -> oh_string = string; - ((oh *)p) -> oh_int = integer; -# ifndef SHORT_DBG_HDRS - ((oh *)p) -> oh_sz = sz; - ((oh *)p) -> oh_sf = START_FLAG ^ (word)result; - ((word *)p)[BYTES_TO_WORDS(GC_size(p))-1] = - result[SIMPLE_ROUNDED_UP_WORDS(sz)] = END_FLAG ^ (word)result; -# endif - return((ptr_t)result); -} -#endif - -#ifndef SHORT_DBG_HDRS -/* Check the object with debugging info at ohdr */ -/* return NIL if it's OK. Else return clobbered */ -/* address. */ -ptr_t GC_check_annotated_obj(oh *ohdr) -{ - register ptr_t body = (ptr_t)(ohdr + 1); - register word gc_sz = GC_size((ptr_t)ohdr); - if (ohdr -> oh_sz + DEBUG_BYTES > gc_sz) { - return((ptr_t)(&(ohdr -> oh_sz))); - } - if (ohdr -> oh_sf != (START_FLAG ^ (word)body)) { - return((ptr_t)(&(ohdr -> oh_sf))); - } - if (((word *)ohdr)[BYTES_TO_WORDS(gc_sz)-1] != (END_FLAG ^ (word)body)) { - return((ptr_t)((word *)ohdr + BYTES_TO_WORDS(gc_sz)-1)); - } - if (((word *)body)[SIMPLE_ROUNDED_UP_WORDS(ohdr -> oh_sz)] - != (END_FLAG ^ (word)body)) { - return((ptr_t)((word *)body + SIMPLE_ROUNDED_UP_WORDS(ohdr -> oh_sz))); - } - return(0); -} -#endif /* !SHORT_DBG_HDRS */ - -static GC_describe_type_fn GC_describe_type_fns[MAXOBJKINDS] = {0}; - -void GC_register_describe_type_fn(int kind, GC_describe_type_fn fn) -{ - GC_describe_type_fns[kind] = fn; -} - -/* Print a type description for the object whose client-visible address */ -/* is p. */ -void GC_print_type(ptr_t p) -{ - hdr * hhdr = GC_find_header(p); - char buffer[GC_TYPE_DESCR_LEN + 1]; - int kind = hhdr -> hb_obj_kind; - - if (0 != GC_describe_type_fns[kind] && GC_is_marked(GC_base(p))) { - /* This should preclude free list objects except with */ - /* thread-local allocation. */ - buffer[GC_TYPE_DESCR_LEN] = 0; - (GC_describe_type_fns[kind])(p, buffer); - GC_ASSERT(buffer[GC_TYPE_DESCR_LEN] == 0); - GC_err_puts(buffer); - } else { - switch(kind) { - case PTRFREE: - GC_err_puts("PTRFREE"); - break; - case NORMAL: - GC_err_puts("NORMAL"); - break; - case UNCOLLECTABLE: - GC_err_puts("UNCOLLECTABLE"); - break; -# ifdef ATOMIC_UNCOLLECTABLE - case AUNCOLLECTABLE: - GC_err_puts("ATOMIC UNCOLLECTABLE"); - break; -# endif - case STUBBORN: - GC_err_puts("STUBBORN"); - break; - default: - GC_err_printf("kind %d, descr 0x%lx", kind, - (unsigned long)(hhdr -> hb_descr)); - } - } -} - - - -void GC_print_obj(ptr_t p) -{ - register oh * ohdr = (oh *)GC_base(p); - - GC_ASSERT(I_DONT_HOLD_LOCK()); - GC_err_printf("%p (", ((ptr_t)ohdr + sizeof(oh))); - GC_err_puts(ohdr -> oh_string); -# ifdef SHORT_DBG_HDRS - GC_err_printf(":%ld, ", (unsigned long)(ohdr -> oh_int)); -# else - GC_err_printf(":%ld, sz=%ld, ", (unsigned long)(ohdr -> oh_int), - (unsigned long)(ohdr -> oh_sz)); -# endif - GC_print_type((ptr_t)(ohdr + 1)); - GC_err_puts(")\n"); - PRINT_CALL_CHAIN(ohdr); -} - -void GC_debug_print_heap_obj_proc(ptr_t p) -{ - GC_ASSERT(I_DONT_HOLD_LOCK()); - if (GC_HAS_DEBUG_INFO(p)) { - GC_print_obj(p); - } else { - GC_default_print_heap_obj_proc(p); - } -} - -#ifndef SHORT_DBG_HDRS -/* Use GC_err_printf and friends to print a description of the object */ -/* whose client-visible address is p, and which was smashed at */ -/* clobbered_addr. */ -void GC_print_smashed_obj(ptr_t p, ptr_t clobbered_addr) -{ - register oh * ohdr = (oh *)GC_base(p); - - GC_ASSERT(I_DONT_HOLD_LOCK()); - GC_err_printf("%p in or near object at %p(", clobbered_addr, p); - if (clobbered_addr <= (ptr_t)(&(ohdr -> oh_sz)) - || ohdr -> oh_string == 0) { - GC_err_printf(", appr. sz = %ld)\n", - (GC_size((ptr_t)ohdr) - DEBUG_BYTES)); - } else { - if (ohdr -> oh_string[0] == '\0') { - GC_err_puts("EMPTY(smashed?)"); - } else { - GC_err_puts(ohdr -> oh_string); - } - GC_err_printf(":%ld, sz=%ld)\n", (unsigned long)(ohdr -> oh_int), - (unsigned long)(ohdr -> oh_sz)); - PRINT_CALL_CHAIN(ohdr); - } -} -#endif - -void GC_check_heap_proc (void); - -void GC_print_all_smashed_proc (void); - -void GC_do_nothing(void) {} - -void GC_start_debugging(void) -{ -# ifndef SHORT_DBG_HDRS - GC_check_heap = GC_check_heap_proc; - GC_print_all_smashed = GC_print_all_smashed_proc; -# else - GC_check_heap = GC_do_nothing; - GC_print_all_smashed = GC_do_nothing; -# endif - GC_print_heap_obj = GC_debug_print_heap_obj_proc; - GC_debugging_started = TRUE; - GC_register_displacement((word)sizeof(oh)); -} - -size_t GC_debug_header_size = sizeof(oh); - -void GC_debug_register_displacement(size_t offset) -{ - GC_register_displacement(offset); - GC_register_displacement((word)sizeof(oh) + offset); -} - -void * GC_debug_malloc(size_t lb, GC_EXTRA_PARAMS) -{ - void * result = GC_malloc(lb + DEBUG_BYTES); - - if (result == 0) { - GC_err_printf("GC_debug_malloc(%lu) returning NIL (", - (unsigned long) lb); - GC_err_puts(s); - GC_err_printf(":%ld)\n", (unsigned long)i); - return(0); - } - if (!GC_debugging_started) { - GC_start_debugging(); - } - ADD_CALL_CHAIN(result, ra); - return (GC_store_debug_info(result, (word)lb, s, (word)i)); -} - -void * GC_debug_malloc_ignore_off_page(size_t lb, GC_EXTRA_PARAMS) -{ - void * result = GC_malloc_ignore_off_page(lb + DEBUG_BYTES); - - if (result == 0) { - GC_err_printf("GC_debug_malloc_ignore_off_page(%lu) returning NIL (", - (unsigned long) lb); - GC_err_puts(s); - GC_err_printf(":%lu)\n", (unsigned long)i); - return(0); - } - if (!GC_debugging_started) { - GC_start_debugging(); - } - ADD_CALL_CHAIN(result, ra); - return (GC_store_debug_info(result, (word)lb, s, (word)i)); -} - -void * GC_debug_malloc_atomic_ignore_off_page(size_t lb, GC_EXTRA_PARAMS) -{ - void * result = GC_malloc_atomic_ignore_off_page(lb + DEBUG_BYTES); - - if (result == 0) { - GC_err_printf("GC_debug_malloc_atomic_ignore_off_page(%lu)" - " returning NIL (", (unsigned long) lb); - GC_err_puts(s); - GC_err_printf(":%lu)\n", (unsigned long)i); - return(0); - } - if (!GC_debugging_started) { - GC_start_debugging(); - } - ADD_CALL_CHAIN(result, ra); - return (GC_store_debug_info(result, (word)lb, s, (word)i)); -} - -# ifdef DBG_HDRS_ALL -/* - * An allocation function for internal use. - * Normally internally allocated objects do not have debug information. - * But in this case, we need to make sure that all objects have debug - * headers. - * We assume debugging was started in collector initialization, - * and we already hold the GC lock. - */ - void * GC_debug_generic_malloc_inner(size_t lb, int k) - { - void * result = GC_generic_malloc_inner(lb + DEBUG_BYTES, k); - - if (result == 0) { - GC_err_printf("GC internal allocation (%lu bytes) returning NIL\n", - (unsigned long) lb); - return(0); - } - ADD_CALL_CHAIN(result, GC_RETURN_ADDR); - return (GC_store_debug_info_inner(result, (word)lb, "INTERNAL", (word)0)); - } - - void * GC_debug_generic_malloc_inner_ignore_off_page(size_t lb, int k) - { - void * result = GC_generic_malloc_inner_ignore_off_page( - lb + DEBUG_BYTES, k); - - if (result == 0) { - GC_err_printf("GC internal allocation (%lu bytes) returning NIL\n", - (unsigned long) lb); - return(0); - } - ADD_CALL_CHAIN(result, GC_RETURN_ADDR); - return (GC_store_debug_info_inner(result, (word)lb, "INTERNAL", (word)0)); - } -# endif - -#ifdef STUBBORN_ALLOC -void * GC_debug_malloc_stubborn(size_t lb, GC_EXTRA_PARAMS) -{ - void * result = GC_malloc_stubborn(lb + DEBUG_BYTES); - - if (result == 0) { - GC_err_printf("GC_debug_malloc(%lu) returning NIL (", - (unsigned long) lb); - GC_err_puts(s); - GC_err_printf(":%lu)\n", (unsigned long)i); - return(0); - } - if (!GC_debugging_started) { - GC_start_debugging(); - } - ADD_CALL_CHAIN(result, ra); - return (GC_store_debug_info(result, (word)lb, s, (word)i)); -} - -void GC_debug_change_stubborn(void *p) -{ - void * q = GC_base(p); - hdr * hhdr; - - if (q == 0) { - GC_err_printf("Bad argument: %p to GC_debug_change_stubborn\n", p); - ABORT("GC_debug_change_stubborn: bad arg"); - } - hhdr = HDR(q); - if (hhdr -> hb_obj_kind != STUBBORN) { - GC_err_printf("GC_debug_change_stubborn arg not stubborn: %p\n", p); - ABORT("GC_debug_change_stubborn: arg not stubborn"); - } - GC_change_stubborn(q); -} - -void GC_debug_end_stubborn_change(void *p) -{ - register void * q = GC_base(p); - register hdr * hhdr; - - if (q == 0) { - GC_err_printf("Bad argument: %p to GC_debug_end_stubborn_change\n", p); - ABORT("GC_debug_end_stubborn_change: bad arg"); - } - hhdr = HDR(q); - if (hhdr -> hb_obj_kind != STUBBORN) { - GC_err_printf("debug_end_stubborn_change arg not stubborn: %p\n", p); - ABORT("GC_debug_end_stubborn_change: arg not stubborn"); - } - GC_end_stubborn_change(q); -} - -#else /* !STUBBORN_ALLOC */ - -void * GC_debug_malloc_stubborn(size_t lb, GC_EXTRA_PARAMS) -{ - return GC_debug_malloc(lb, OPT_RA s, i); -} - -void GC_debug_change_stubborn(void *p) -{ -} - -void GC_debug_end_stubborn_change(void *p) -{ -} - -#endif /* !STUBBORN_ALLOC */ - -void * GC_debug_malloc_atomic(size_t lb, GC_EXTRA_PARAMS) -{ - void * result = GC_malloc_atomic(lb + DEBUG_BYTES); - - if (result == 0) { - GC_err_printf("GC_debug_malloc_atomic(%lu) returning NIL (", - (unsigned long) lb); - GC_err_puts(s); - GC_err_printf(":%lu)\n", (unsigned long)i); - return(0); - } - if (!GC_debugging_started) { - GC_start_debugging(); - } - ADD_CALL_CHAIN(result, ra); - return (GC_store_debug_info(result, (word)lb, s, (word)i)); -} - -char *GC_debug_strdup(const char *str, GC_EXTRA_PARAMS) -{ - char *copy; - if (str == NULL) return NULL; - copy = GC_debug_malloc_atomic(strlen(str) + 1, OPT_RA s, i); - if (copy == NULL) { - errno = ENOMEM; - return NULL; - } - strcpy(copy, str); - return copy; -} - -void * GC_debug_malloc_uncollectable(size_t lb, GC_EXTRA_PARAMS) -{ - void * result = GC_malloc_uncollectable(lb + UNCOLLECTABLE_DEBUG_BYTES); - - if (result == 0) { - GC_err_printf("GC_debug_malloc_uncollectable(%lu) returning NIL (", - (unsigned long) lb); - GC_err_puts(s); - GC_err_printf(":%lu)\n", (unsigned long)i); - return(0); - } - if (!GC_debugging_started) { - GC_start_debugging(); - } - ADD_CALL_CHAIN(result, ra); - return (GC_store_debug_info(result, (word)lb, s, (word)i)); -} - -#ifdef ATOMIC_UNCOLLECTABLE -void * GC_debug_malloc_atomic_uncollectable(size_t lb, GC_EXTRA_PARAMS) -{ - void * result = - GC_malloc_atomic_uncollectable(lb + UNCOLLECTABLE_DEBUG_BYTES); - - if (result == 0) { - GC_err_printf( - "GC_debug_malloc_atomic_uncollectable(%lu) returning NIL (", - (unsigned long) lb); - GC_err_puts(s); - GC_err_printf(":%lu)\n", (unsigned long)i); - return(0); - } - if (!GC_debugging_started) { - GC_start_debugging(); - } - ADD_CALL_CHAIN(result, ra); - return (GC_store_debug_info(result, (word)lb, s, (word)i)); -} -#endif /* ATOMIC_UNCOLLECTABLE */ - -void GC_debug_free(void * p) -{ - ptr_t base; - ptr_t clobbered; - - if (0 == p) return; - base = GC_base(p); - if (base == 0) { - GC_err_printf("Attempt to free invalid pointer %p\n", p); - ABORT("free(invalid pointer)"); - } - if ((ptr_t)p - (ptr_t)base != sizeof(oh)) { - GC_err_printf( - "GC_debug_free called on pointer %p wo debugging info\n", p); - } else { -# ifndef SHORT_DBG_HDRS - clobbered = GC_check_annotated_obj((oh *)base); - if (clobbered != 0) { - if (((oh *)base) -> oh_sz == GC_size(base)) { - GC_err_printf( - "GC_debug_free: found previously deallocated (?) object at "); - } else { - GC_err_printf("GC_debug_free: found smashed location at "); - } - GC_print_smashed_obj(p, clobbered); - } - /* Invalidate size */ - ((oh *)base) -> oh_sz = GC_size(base); -# endif /* SHORT_DBG_HDRS */ - } - if (GC_find_leak) { - GC_free(base); - } else { - hdr * hhdr = HDR(p); - GC_bool uncollectable = FALSE; - - if (hhdr -> hb_obj_kind == UNCOLLECTABLE) { - uncollectable = TRUE; - } -# ifdef ATOMIC_UNCOLLECTABLE - if (hhdr -> hb_obj_kind == AUNCOLLECTABLE) { - uncollectable = TRUE; - } -# endif - if (uncollectable) { - GC_free(base); - } else { - size_t i; - size_t obj_sz = BYTES_TO_WORDS(hhdr -> hb_sz - sizeof(oh)); - - for (i = 0; i < obj_sz; ++i) ((word *)p)[i] = 0xdeadbeef; - GC_ASSERT((word *)p + i == (word *)(base + hhdr -> hb_sz)); - } - } /* !GC_find_leak */ -} - -#ifdef THREADS - -extern void GC_free_inner(void * p); - -/* Used internally; we assume it's called correctly. */ -void GC_debug_free_inner(void * p) -{ - GC_free_inner(GC_base(p)); -} -#endif - -void * GC_debug_realloc(void * p, size_t lb, GC_EXTRA_PARAMS) -{ - void * base = GC_base(p); - ptr_t clobbered; - void * result; - size_t copy_sz = lb; - size_t old_sz; - hdr * hhdr; - - if (p == 0) return(GC_debug_malloc(lb, OPT_RA s, i)); - if (base == 0) { - GC_err_printf("Attempt to reallocate invalid pointer %p\n", p); - ABORT("realloc(invalid pointer)"); - } - if ((ptr_t)p - (ptr_t)base != sizeof(oh)) { - GC_err_printf( - "GC_debug_realloc called on pointer %p wo debugging info\n", p); - return(GC_realloc(p, lb)); - } - hhdr = HDR(base); - switch (hhdr -> hb_obj_kind) { -# ifdef STUBBORN_ALLOC - case STUBBORN: - result = GC_debug_malloc_stubborn(lb, OPT_RA s, i); - break; -# endif - case NORMAL: - result = GC_debug_malloc(lb, OPT_RA s, i); - break; - case PTRFREE: - result = GC_debug_malloc_atomic(lb, OPT_RA s, i); - break; - case UNCOLLECTABLE: - result = GC_debug_malloc_uncollectable(lb, OPT_RA s, i); - break; -# ifdef ATOMIC_UNCOLLECTABLE - case AUNCOLLECTABLE: - result = GC_debug_malloc_atomic_uncollectable(lb, OPT_RA s, i); - break; -# endif - default: - GC_err_printf("GC_debug_realloc: encountered bad kind\n"); - ABORT("bad kind"); - } -# ifdef SHORT_DBG_HDRS - old_sz = GC_size(base) - sizeof(oh); -# else - clobbered = GC_check_annotated_obj((oh *)base); - if (clobbered != 0) { - GC_err_printf("GC_debug_realloc: found smashed location at "); - GC_print_smashed_obj(p, clobbered); - } - old_sz = ((oh *)base) -> oh_sz; -# endif - if (old_sz < copy_sz) copy_sz = old_sz; - if (result == 0) return(0); - BCOPY(p, result, copy_sz); - GC_debug_free(p); - return(result); -} - -#ifndef SHORT_DBG_HDRS - -/* List of smashed objects. We defer printing these, since we can't */ -/* always print them nicely with the allocation lock held. */ -/* We put them here instead of in GC_arrays, since it may be useful to */ -/* be able to look at them with the debugger. */ -#define MAX_SMASHED 20 -ptr_t GC_smashed[MAX_SMASHED]; -unsigned GC_n_smashed = 0; - -void GC_add_smashed(ptr_t smashed) -{ - GC_ASSERT(GC_is_marked(GC_base(smashed))); - GC_smashed[GC_n_smashed] = smashed; - if (GC_n_smashed < MAX_SMASHED - 1) ++GC_n_smashed; - /* In case of overflow, we keep the first MAX_SMASHED-1 */ - /* entries plus the last one. */ - GC_have_errors = TRUE; -} - -/* Print all objects on the list. Clear the list. */ -void GC_print_all_smashed_proc(void) -{ - unsigned i; - - GC_ASSERT(I_DONT_HOLD_LOCK()); - if (GC_n_smashed == 0) return; - GC_err_printf("GC_check_heap_block: found smashed heap objects:\n"); - for (i = 0; i < GC_n_smashed; ++i) { - GC_print_smashed_obj((ptr_t)GC_base(GC_smashed[i]) + sizeof(oh), - GC_smashed[i]); - GC_smashed[i] = 0; - } - GC_n_smashed = 0; -} - -/* Check all marked objects in the given block for validity */ -/* Avoid GC_apply_to_each_object for performance reasons. */ -/*ARGSUSED*/ -void GC_check_heap_block(struct hblk *hbp, word dummy) -{ - struct hblkhdr * hhdr = HDR(hbp); - size_t sz = hhdr -> hb_sz; - size_t bit_no; - char *p, *plim; - - p = hbp->hb_body; - bit_no = 0; - if (sz > MAXOBJBYTES) { - plim = p; - } else { - plim = hbp->hb_body + HBLKSIZE - sz; - } - /* go through all words in block */ - while( p <= plim ) { - if( mark_bit_from_hdr(hhdr, bit_no) - && GC_HAS_DEBUG_INFO((ptr_t)p)) { - ptr_t clobbered = GC_check_annotated_obj((oh *)p); - - if (clobbered != 0) GC_add_smashed(clobbered); - } - bit_no += MARK_BIT_OFFSET(sz); - p += sz; - } -} - - -/* This assumes that all accessible objects are marked, and that */ -/* I hold the allocation lock. Normally called by collector. */ -void GC_check_heap_proc(void) -{ -# ifndef SMALL_CONFIG - /* Ignore gcc no effect warning on the following. */ - GC_STATIC_ASSERT((sizeof(oh) & (GRANULE_BYTES - 1)) == 0); - /* FIXME: Should we check for twice that alignment? */ -# endif - GC_apply_to_all_blocks(GC_check_heap_block, (word)0); -} - -#endif /* !SHORT_DBG_HDRS */ - -struct closure { - GC_finalization_proc cl_fn; - void * cl_data; -}; - -void * GC_make_closure(GC_finalization_proc fn, void * data) -{ - struct closure * result = -# ifdef DBG_HDRS_ALL - (struct closure *) GC_debug_malloc(sizeof (struct closure), - GC_EXTRAS); -# else - (struct closure *) GC_malloc(sizeof (struct closure)); -# endif - - result -> cl_fn = fn; - result -> cl_data = data; - return((void *)result); -} - -void GC_debug_invoke_finalizer(void * obj, void * data) -{ - register struct closure * cl = (struct closure *) data; - - (*(cl -> cl_fn))((void *)((char *)obj + sizeof(oh)), cl -> cl_data); -} - -/* Set ofn and ocd to reflect the values we got back. */ -static void store_old (void *obj, GC_finalization_proc my_old_fn, - struct closure *my_old_cd, GC_finalization_proc *ofn, - void **ocd) -{ - if (0 != my_old_fn) { - if (my_old_fn != GC_debug_invoke_finalizer) { - GC_err_printf("Debuggable object at %p had non-debug finalizer.\n", - obj); - /* This should probably be fatal. */ - } else { - if (ofn) *ofn = my_old_cd -> cl_fn; - if (ocd) *ocd = my_old_cd -> cl_data; - } - } else { - if (ofn) *ofn = 0; - if (ocd) *ocd = 0; - } -} - -void GC_debug_register_finalizer(void * obj, GC_finalization_proc fn, - void * cd, GC_finalization_proc *ofn, - void * *ocd) -{ - GC_finalization_proc my_old_fn; - void * my_old_cd; - ptr_t base = GC_base(obj); - if (0 == base) return; - if ((ptr_t)obj - base != sizeof(oh)) { - GC_err_printf( - "GC_debug_register_finalizer called with non-base-pointer %p\n", - obj); - } - if (0 == fn) { - GC_register_finalizer(base, 0, 0, &my_old_fn, &my_old_cd); - } else { - GC_register_finalizer(base, GC_debug_invoke_finalizer, - GC_make_closure(fn,cd), &my_old_fn, &my_old_cd); - } - store_old(obj, my_old_fn, (struct closure *)my_old_cd, ofn, ocd); -} - -void GC_debug_register_finalizer_no_order - (void * obj, GC_finalization_proc fn, - void * cd, GC_finalization_proc *ofn, - void * *ocd) -{ - GC_finalization_proc my_old_fn; - void * my_old_cd; - ptr_t base = GC_base(obj); - if (0 == base) return; - if ((ptr_t)obj - base != sizeof(oh)) { - GC_err_printf( - "GC_debug_register_finalizer_no_order called with " - "non-base-pointer %p\n", - obj); - } - if (0 == fn) { - GC_register_finalizer_no_order(base, 0, 0, &my_old_fn, &my_old_cd); - } else { - GC_register_finalizer_no_order(base, GC_debug_invoke_finalizer, - GC_make_closure(fn,cd), &my_old_fn, - &my_old_cd); - } - store_old(obj, my_old_fn, (struct closure *)my_old_cd, ofn, ocd); -} - -void GC_debug_register_finalizer_unreachable - (void * obj, GC_finalization_proc fn, - void * cd, GC_finalization_proc *ofn, - void * *ocd) -{ - GC_finalization_proc my_old_fn; - void * my_old_cd; - ptr_t base = GC_base(obj); - if (0 == base) return; - if ((ptr_t)obj - base != sizeof(oh)) { - GC_err_printf( - "GC_debug_register_finalizer_unreachable called with " - "non-base-pointer %p\n", - obj); - } - if (0 == fn) { - GC_register_finalizer_unreachable(base, 0, 0, &my_old_fn, &my_old_cd); - } else { - GC_register_finalizer_unreachable(base, GC_debug_invoke_finalizer, - GC_make_closure(fn,cd), &my_old_fn, - &my_old_cd); - } - store_old(obj, my_old_fn, (struct closure *)my_old_cd, ofn, ocd); -} - -void GC_debug_register_finalizer_ignore_self - (void * obj, GC_finalization_proc fn, - void * cd, GC_finalization_proc *ofn, - void * *ocd) -{ - GC_finalization_proc my_old_fn; - void * my_old_cd; - ptr_t base = GC_base(obj); - if (0 == base) return; - if ((ptr_t)obj - base != sizeof(oh)) { - GC_err_printf( - "GC_debug_register_finalizer_ignore_self called with " - "non-base-pointer %p\n", obj); - } - if (0 == fn) { - GC_register_finalizer_ignore_self(base, 0, 0, &my_old_fn, &my_old_cd); - } else { - GC_register_finalizer_ignore_self(base, GC_debug_invoke_finalizer, - GC_make_closure(fn,cd), &my_old_fn, - &my_old_cd); - } - store_old(obj, my_old_fn, (struct closure *)my_old_cd, ofn, ocd); -} - -#ifdef GC_ADD_CALLER -# define RA GC_RETURN_ADDR, -#else -# define RA -#endif - -void * GC_debug_malloc_replacement(size_t lb) -{ - return GC_debug_malloc(lb, RA "unknown", 0); -} - -void * GC_debug_realloc_replacement(void *p, size_t lb) -{ - return GC_debug_realloc(p, lb, RA "unknown", 0); -} diff --git a/vendor/gc/depcomp b/vendor/gc/depcomp deleted file mode 100755 index 3480ce4..0000000 --- a/vendor/gc/depcomp +++ /dev/null @@ -1,436 +0,0 @@ -#! /bin/sh - -# depcomp - compile a program generating dependencies as side-effects -# Copyright 1999, 2000 Free Software Foundation, Inc. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. - -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - -# Originally written by Alexandre Oliva . - -if test -z "$depmode" || test -z "$source" || test -z "$object"; then - echo "depcomp: Variables source, object and depmode must be set" 1>&2 - exit 1 -fi -# `libtool' can also be set to `yes' or `no'. - -if test -z "$depfile"; then - base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` - dir=`echo "$object" | sed 's,/.*$,/,'` - if test "$dir" = "$object"; then - dir= - fi - # FIXME: should be _deps on DOS. - depfile="$dir.deps/$base" -fi - -tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} - -rm -f "$tmpdepfile" - -# Some modes work just like other modes, but use different flags. We -# parameterize here, but still list the modes in the big case below, -# to make depend.m4 easier to write. Note that we *cannot* use a case -# here, because this file can only contain one case statement. -if test "$depmode" = hp; then - # HP compiler uses -M and no extra arg. - gccflag=-M - depmode=gcc -fi - -if test "$depmode" = dashXmstdout; then - # This is just like dashmstdout with a different argument. - dashmflag=-xM - depmode=dashmstdout -fi - -case "$depmode" in -gcc3) -## gcc 3 implements dependency tracking that does exactly what -## we want. Yay! Note: for some reason libtool 1.4 doesn't like -## it if -MD -MP comes after the -MF stuff. Hmm. - "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" - stat=$? - if test $stat -eq 0; then : - else - rm -f "$tmpdepfile" - exit $stat - fi - mv "$tmpdepfile" "$depfile" - ;; - -gcc) -## There are various ways to get dependency output from gcc. Here's -## why we pick this rather obscure method: -## - Don't want to use -MD because we'd like the dependencies to end -## up in a subdir. Having to rename by hand is ugly. -## (We might end up doing this anyway to support other compilers.) -## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like -## -MM, not -M (despite what the docs say). -## - Using -M directly means running the compiler twice (even worse -## than renaming). - if test -z "$gccflag"; then - gccflag=-MD, - fi - "$@" -Wp,"$gccflag$tmpdepfile" - stat=$? - if test $stat -eq 0; then : - else - rm -f "$tmpdepfile" - exit $stat - fi - rm -f "$depfile" - echo "$object : \\" > "$depfile" - alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz -## The second -e expression handles DOS-style file names with drive letters. - sed -e 's/^[^:]*: / /' \ - -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" -## This next piece of magic avoids the `deleted header file' problem. -## The problem is that when a header file which appears in a .P file -## is deleted, the dependency causes make to die (because there is -## typically no way to rebuild the header). We avoid this by adding -## dummy dependencies for each header file. Too bad gcc doesn't do -## this for us directly. - tr ' ' ' -' < "$tmpdepfile" | -## Some versions of gcc put a space before the `:'. On the theory -## that the space means something, we add a space to the output as -## well. -## Some versions of the HPUX 10.20 sed can't process this invocation -## correctly. Breaking it into two sed invocations is a workaround. - sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -hp) - # This case exists only to let depend.m4 do its work. It works by - # looking at the text of this script. This case will never be run, - # since it is checked for above. - exit 1 - ;; - -sgi) - if test "$libtool" = yes; then - "$@" "-Wp,-MDupdate,$tmpdepfile" - else - "$@" -MDupdate "$tmpdepfile" - fi - stat=$? - if test $stat -eq 0; then : - else - rm -f "$tmpdepfile" - exit $stat - fi - rm -f "$depfile" - - if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files - echo "$object : \\" > "$depfile" - - # Clip off the initial element (the dependent). Don't try to be - # clever and replace this with sed code, as IRIX sed won't handle - # lines with more than a fixed number of characters (4096 in - # IRIX 6.2 sed, 8192 in IRIX 6.5). 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"$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" - echo " " >> "$depfile" - . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -none) - exec "$@" - ;; - -*) - echo "Unknown depmode $depmode" 1>&2 - exit 1 - ;; -esac - -exit 0 diff --git a/vendor/gc/digimars.mak b/vendor/gc/digimars.mak deleted file mode 100644 index 41178fd..0000000 --- a/vendor/gc/digimars.mak +++ /dev/null @@ -1,90 +0,0 @@ -# Makefile to build Hans Boehm garbage collector using the Digital Mars -# compiler from www.digitalmars.com -# Written by Walter Bright - - -DEFINES=-DNDEBUG -DGC_BUILD -D_WINDOWS -DGC_DLL -DALL_INTERIOR_POINTERS -D__STDC__ -DWIN32_THREADS -CFLAGS=-Iinclude $(DEFINES) -wx -g -LFLAGS=/ma/implib/co -CC=sc - -.c.obj: - $(CC) -c $(CFLAGS) $* - -.cpp.obj: - $(CC) -c $(CFLAGS) -Aa $* - -OBJS= \ - allchblk.obj\ - alloc.obj\ - blacklst.obj\ - checksums.obj\ - dbg_mlc.obj\ - dyn_load.obj\ - finalize.obj\ - gc_cpp.obj\ - headers.obj\ - mach_dep.obj\ - malloc.obj\ - mallocx.obj\ - mark.obj\ - mark_rts.obj\ - misc.obj\ - new_hblk.obj\ - obj_map.obj\ - os_dep.obj\ - ptr_chck.obj\ - reclaim.obj\ - stubborn.obj\ - typd_mlc.obj\ - win32_threads.obj - -targets: gc.dll gc.lib gctest.exe - -gc.dll: $(OBJS) gc.def digimars.mak - sc -ogc.dll $(OBJS) -L$(LFLAGS) gc.def kernel32.lib user32.lib - -gc.def: digimars.mak - echo LIBRARY GC >gc.def - echo DESCRIPTION "Hans Boehm Garbage Collector" >>gc.def - echo EXETYPE NT >>gc.def - echo EXPORTS >>gc.def - echo GC_is_visible_print_proc >>gc.def - echo GC_is_valid_displacement_print_proc >>gc.def - -clean: - del gc.def - del $(OBJS) - - -gctest.exe : gc.lib tests\test.obj - sc -ogctest.exe tests\test.obj gc.lib - -tests\test.obj : tests\test.c - $(CC) -c -g -DNDEBUG -DGC_BUILD -D_WINDOWS -DGC_DLL \ - -DALL_INTERIOR_POINTERS -DWIN32_THREADS \ - -Iinclude tests\test.c -otests\test.obj - -allchblk.obj: allchblk.c -alloc.obj: alloc.c -blacklst.obj: blacklst.c -checksums.obj: checksums.c -dbg_mlc.obj: dbg_mlc.c -dyn_load.obj: dyn_load.c -finalize.obj: finalize.c -gc_cpp.obj: gc_cpp.cpp -headers.obj: headers.c -mach_dep.obj: mach_dep.c -malloc.obj: malloc.c -mallocx.obj: mallocx.c -mark.obj: mark.c -mark_rts.obj: mark_rts.c -misc.obj: misc.c -new_hblk.obj: new_hblk.c -obj_map.obj: obj_map.c -os_dep.obj: os_dep.c -ptr_chck.obj: ptr_chck.c -reclaim.obj: reclaim.c -stubborn.obj: stubborn.c -typd_mlc.obj: typd_mlc.c -win32_threads.obj: win32_threads.c diff --git a/vendor/gc/doc/README b/vendor/gc/doc/README deleted file mode 100644 index d9d49e8..0000000 --- a/vendor/gc/doc/README +++ /dev/null @@ -1,548 +0,0 @@ -Copyright (c) 1988, 1989 Hans-J. Boehm, Alan J. Demers -Copyright (c) 1991-1996 by Xerox Corporation. All rights reserved. -Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. -Copyright (c) 1999-2005 Hewlett-Packard Development Company, L.P. - -The file linux_threads.c is also -Copyright (c) 1998 by Fergus Henderson. All rights reserved. - -The files Makefile.am, and configure.in are -Copyright (c) 2001 by Red Hat Inc. All rights reserved. - -Several files supporting GNU-style builds are copyrighted by the Free -Software Foundation, and carry a different license from that given -below. The files included in the libatomic_ops distribution (included -here) use either the license below, or a similar MIT-style license, -or, for some files not actually used by the garbage-collector library, the -GPL. - -THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - -Permission is hereby granted to use or copy this program -for any purpose, provided the above notices are retained on all copies. -Permission to modify the code and to distribute modified code is granted, -provided the above notices are retained, and a notice that the code was -modified is included with the above copyright notice. - -A few of the files needed to use the GNU-style build procedure come with -slightly different licenses, though they are all similar in spirit. A few -are GPL'ed, but with an exception that should cover all uses in the -collector. (If you are concerned about such things, I recommend you look -at the notice in config.guess or ltmain.sh.) - -This is version 7.1 of a conservative garbage collector for C and C++. - -You might find a more recent version of this at - -http://www.hpl.hp.com/personal/Hans_Boehm/gc - -OVERVIEW - - This is intended to be a general purpose, garbage collecting storage -allocator. The algorithms used are described in: - -Boehm, H., and M. Weiser, "Garbage Collection in an Uncooperative Environment", -Software Practice & Experience, September 1988, pp. 807-820. - -Boehm, H., A. Demers, and S. Shenker, "Mostly Parallel Garbage Collection", -Proceedings of the ACM SIGPLAN '91 Conference on Programming Language Design -and Implementation, SIGPLAN Notices 26, 6 (June 1991), pp. 157-164. - -Boehm, H., "Space Efficient Conservative Garbage Collection", Proceedings -of the ACM SIGPLAN '91 Conference on Programming Language Design and -Implementation, SIGPLAN Notices 28, 6 (June 1993), pp. 197-206. - -Boehm H., "Reducing Garbage Collector Cache Misses", Proceedings of the -2000 International Symposium on Memory Management. - - Possible interactions between the collector and optimizing compilers are -discussed in - -Boehm, H., and D. Chase, "A Proposal for GC-safe C Compilation", -The Journal of C Language Translation 4, 2 (December 1992). - -and - -Boehm H., "Simple GC-safe Compilation", Proceedings -of the ACM SIGPLAN '96 Conference on Programming Language Design and -Implementation. - -(Some of these are also available from -http://www.hpl.hp.com/personal/Hans_Boehm/papers/, among other places.) - - Unlike the collector described in the second reference, this collector -operates either with the mutator stopped during the entire collection -(default) or incrementally during allocations. (The latter is supported -on fewer machines.) On the most common platforms, it can be built -with or without thread support. On a few platforms, it can take advantage -of a multiprocessor to speed up garbage collection. - - Many of the ideas underlying the collector have previously been explored -by others. Notably, some of the run-time systems developed at Xerox PARC -in the early 1980s conservatively scanned thread stacks to locate possible -pointers (cf. Paul Rovner, "On Adding Garbage Collection and Runtime Types -to a Strongly-Typed Statically Checked, Concurrent Language" Xerox PARC -CSL 84-7). Doug McIlroy wrote a simpler fully conservative collector that -was part of version 8 UNIX (tm), but appears to not have received -widespread use. - - Rudimentary tools for use of the collector as a leak detector are included -(see http://www.hpl.hp.com/personal/Hans_Boehm/gc/leak.html), -as is a fairly sophisticated string package "cord" that makes use of the -collector. (See doc/README.cords and H.-J. Boehm, R. Atkinson, and M. Plass, -"Ropes: An Alternative to Strings", Software Practice and Experience 25, 12 -(December 1995), pp. 1315-1330. This is very similar to the "rope" package -in Xerox Cedar, or the "rope" package in the SGI STL or the g++ distribution.) - -Further collector documantation can be found at - -http://www.hpl.hp.com/personal/Hans_Boehm/gc - - -GENERAL DESCRIPTION - - This is a garbage collecting storage allocator that is intended to be -used as a plug-in replacement for C's malloc. - - Since the collector does not require pointers to be tagged, it does not -attempt to ensure that all inaccessible storage is reclaimed. However, -in our experience, it is typically more successful at reclaiming unused -memory than most C programs using explicit deallocation. Unlike manually -introduced leaks, the amount of unreclaimed memory typically stays -bounded. - - In the following, an "object" is defined to be a region of memory allocated -by the routines described below. - - Any objects not intended to be collected must be pointed to either -from other such accessible objects, or from the registers, -stack, data, or statically allocated bss segments. Pointers from -the stack or registers may point to anywhere inside an object. -The same is true for heap pointers if the collector is compiled with -ALL_INTERIOR_POINTERS defined, or GC_all_interior_pointers is otherwise -set, as is now the default. - -Compiling without ALL_INTERIOR_POINTERS may reduce accidental retention -of garbage objects, by requiring pointers from the heap to to the beginning -of an object. But this no longer appears to be a significant -issue for most programs occupying a small fraction of the possible -address space. - -There are a number of routines which modify the pointer recognition -algorithm. GC_register_displacement allows certain interior pointers -to be recognized even if ALL_INTERIOR_POINTERS is nor defined. -GC_malloc_ignore_off_page allows some pointers into the middle of large objects -to be disregarded, greatly reducing the probablility of accidental -retention of large objects. For most purposes it seems best to compile -with ALL_INTERIOR_POINTERS and to use GC_malloc_ignore_off_page if -you get collector warnings from allocations of very large objects. -See README.debugging for details. - - WARNING: pointers inside memory allocated by the standard "malloc" are not -seen by the garbage collector. Thus objects pointed to only from such a -region may be prematurely deallocated. It is thus suggested that the -standard "malloc" be used only for memory regions, such as I/O buffers, that -are guaranteed not to contain pointers to garbage collectable memory. -Pointers in C language automatic, static, or register variables, -are correctly recognized. (Note that GC_malloc_uncollectable has semantics -similar to standard malloc, but allocates objects that are traced by the -collector.) - - WARNING: the collector does not always know how to find pointers in data -areas that are associated with dynamic libraries. This is easy to -remedy IF you know how to find those data areas on your operating -system (see GC_add_roots). Code for doing this under SunOS, IRIX 5.X and 6.X, -HP/UX, Alpha OSF/1, Linux, and win32 is included and used by default. (See -README.win32 for win32 details.) On other systems pointers from dynamic -library data areas may not be considered by the collector. -If you're writing a program that depends on the collector scanning -dynamic library data areas, it may be a good idea to include at least -one call to GC_is_visible() to ensure that those areas are visible -to the collector. - - Note that the garbage collector does not need to be informed of shared -read-only data. However if the shared library mechanism can introduce -discontiguous data areas that may contain pointers, then the collector does -need to be informed. - - Signal processing for most signals may be deferred during collection, -and during uninterruptible parts of the allocation process. -Like standard ANSI C mallocs, by default it is unsafe to invoke -malloc (and other GC routines) from a signal handler while another -malloc call may be in progress. Removing -DNO_SIGNALS from Makefile -attempts to remedy that. But that may not be reliable with a compiler that -substantially reorders memory operations inside GC_malloc. - - The allocator/collector can also be configured for thread-safe operation. -(Full signal safety can also be achieved, but only at the cost of two system -calls per malloc, which is usually unacceptable.) -WARNING: the collector does not guarantee to scan thread-local storage -(e.g. of the kind accessed with pthread_getspecific()). The collector -does scan thread stacks, though, so generally the best solution is to -ensure that any pointers stored in thread-local storage are also -stored on the thread's stack for the duration of their lifetime. -(This is arguably a longstanding bug, but it hasn't been fixed yet.) - -INSTALLATION AND PORTABILITY - - As distributed, the collector operates silently -In the event of problems, this can usually be changed by defining the -GC_PRINT_STATS or GC_PRINT_VERBOSE_STATS environment variables. This -will result in a few lines of descriptive output for each collection. -(The given statistics exhibit a few peculiarities. -Things don't appear to add up for a variety of reasons, most notably -fragmentation losses. These are probably much more significant for the -contrived program "test.c" than for your application.) - - On most Un*x-like platforms, the collector can be built either using a -GNU autoconf-based build infrastructure (type "configure; make" in the -simplest case), or with a classic makefile by itself (type -"cp Makefile.direct Makefile; make"). Here we focus on the latter option. -On other platforms, typically only the latter option is available, though -with a different supplied Makefile.) - - Typing "make test" nstead of "make" will automatically build the collector -and then run setjmp_test and gctest. Setjmp_test will give you information -about configuring the collector, which is useful primarily if you have -a machine that's not already supported. Gctest is a somewhat superficial -test of collector functionality. Failure is indicated by a core dump or -a message to the effect that the collector is broken. Gctest takes about -a second to two to run on reasonable 2007 vintage desktops. -It may use up to about 30MB of memory. (The -multi-threaded version will use more. 64-bit versions may use more.) -"Make test" will also, as its last step, attempt to build and test the -"cord" string library.) - - The Makefile will generate a library gc.a which you should link against. -Typing "make cords" will add the cord library to gc.a. -Note that this requires an ANSI C compiler. - - It is suggested that if you need to replace a piece of the collector -(e.g. GC_mark_rts.c) you simply list your version ahead of gc.a on the -ld command line, rather than replacing the one in gc.a. (This will -generate numerous warnings under some versions of AIX, but it still -works.) - - All include files that need to be used by clients will be put in the -include subdirectory. (Normally this is just gc.h. "Make cords" adds -"cord.h" and "ec.h".) - - The collector currently is designed to run essentially unmodified on -machines that use a flat 32-bit or 64-bit address space. -That includes the vast majority of Workstations and X86 (X >= 3) PCs. -(The list here was deleted because it was getting too long and constantly -out of date.) - - In a few cases (Amiga, OS/2, Win32, MacOS) a separate makefile -or equivalent is supplied. Many of these have separate README.system -files. - - Dynamic libraries are completely supported only under SunOS/Solaris, -(and even that support is not functional on the last Sun 3 release), -Linux, FreeBSD, NetBSD, IRIX 5&6, HP/UX, Win32 (not Win32S) and OSF/1 -on DEC AXP machines plus perhaps a few others listed near the top -of dyn_load.c. On other machines we recommend that you do one of -the following: - - 1) Add dynamic library support (and send us the code). - 2) Use static versions of the libraries. - 3) Arrange for dynamic libraries to use the standard malloc. - This is still dangerous if the library stores a pointer to a - garbage collected object. But nearly all standard interfaces - prohibit this, because they deal correctly with pointers - to stack allocated objects. (Strtok is an exception. Don't - use it.) - - In all cases we assume that pointer alignment is consistent with that -enforced by the standard C compilers. If you use a nonstandard compiler -you may have to adjust the alignment parameters defined in gc_priv.h. -Note that this may also be an issue with packed records/structs, if those -enforce less alignment for pointers. - - A port to a machine that is not byte addressed, or does not use 32 bit -or 64 bit addresses will require a major effort. A port to plain MSDOS -or win16 is hard. - - For machines not already mentioned, or for nonstandard compilers, -some porting suggestions are provided in the "porting.html" file. - -THE C INTERFACE TO THE ALLOCATOR - - The following routines are intended to be directly called by the user. -Note that usually only GC_malloc is necessary. GC_clear_roots and GC_add_roots -calls may be required if the collector has to trace from nonstandard places -(e.g. from dynamic library data areas on a machine on which the -collector doesn't already understand them.) On some machines, it may -be desirable to set GC_stacktop to a good approximation of the stack base. -(This enhances code portability on HP PA machines, since there is no -good way for the collector to compute this value.) Client code may include -"gc.h", which defines all of the following, plus many others. - -1) GC_malloc(nbytes) - - allocate an object of size nbytes. Unlike malloc, the object is - cleared before being returned to the user. Gc_malloc will - invoke the garbage collector when it determines this to be appropriate. - GC_malloc may return 0 if it is unable to acquire sufficient - space from the operating system. This is the most probable - consequence of running out of space. Other possible consequences - are that a function call will fail due to lack of stack space, - or that the collector will fail in other ways because it cannot - maintain its internal data structures, or that a crucial system - process will fail and take down the machine. Most of these - possibilities are independent of the malloc implementation. - -2) GC_malloc_atomic(nbytes) - - allocate an object of size nbytes that is guaranteed not to contain any - pointers. The returned object is not guaranteed to be cleared. - (Can always be replaced by GC_malloc, but results in faster collection - times. The collector will probably run faster if large character - arrays, etc. are allocated with GC_malloc_atomic than if they are - statically allocated.) - -3) GC_realloc(object, new_size) - - change the size of object to be new_size. Returns a pointer to the - new object, which may, or may not, be the same as the pointer to - the old object. The new object is taken to be atomic iff the old one - was. If the new object is composite and larger than the original object, - then the newly added bytes are cleared (we hope). This is very likely - to allocate a new object, unless MERGE_SIZES is defined in gc_priv.h. - Even then, it is likely to recycle the old object only if the object - is grown in small additive increments (which, we claim, is generally bad - coding practice.) - -4) GC_free(object) - - explicitly deallocate an object returned by GC_malloc or - GC_malloc_atomic. Not necessary, but can be used to minimize - collections if performance is critical. Probably a performance - loss for very small objects (<= 8 bytes). - -5) GC_expand_hp(bytes) - - Explicitly increase the heap size. (This is normally done automatically - if a garbage collection failed to GC_reclaim enough memory. Explicit - calls to GC_expand_hp may prevent unnecessarily frequent collections at - program startup.) - -6) GC_malloc_ignore_off_page(bytes) - - identical to GC_malloc, but the client promises to keep a pointer to - the somewhere within the first 256 bytes of the object while it is - live. (This pointer should nortmally be declared volatile to prevent - interference from compiler optimizations.) This is the recommended - way to allocate anything that is likely to be larger than 100Kbytes - or so. (GC_malloc may result in failure to reclaim such objects.) - -7) GC_set_warn_proc(proc) - - Can be used to redirect warnings from the collector. Such warnings - should be rare, and should not be ignored during code development. - -8) GC_enable_incremental() - - Enables generational and incremental collection. Useful for large - heaps on machines that provide access to page dirty information. - Some dirty bit implementations may interfere with debugging - (by catching address faults) and place restrictions on heap arguments - to system calls (since write faults inside a system call may not be - handled well). - -9) Several routines to allow for registration of finalization code. - User supplied finalization code may be invoked when an object becomes - unreachable. To call (*f)(obj, x) when obj becomes inaccessible, use - GC_register_finalizer(obj, f, x, 0, 0); - For more sophisticated uses, and for finalization ordering issues, - see gc.h. - - The global variable GC_free_space_divisor may be adjusted up from its -default value of 4 to use less space and more collection time, or down for -the opposite effect. Setting it to 1 or 0 will effectively disable collections -and cause all allocations to simply grow the heap. - - The variable GC_non_gc_bytes, which is normally 0, may be changed to reflect -the amount of memory allocated by the above routines that should not be -considered as a candidate for collection. Careless use may, of course, result -in excessive memory consumption. - - Some additional tuning is possible through the parameters defined -near the top of gc_priv.h. - - If only GC_malloc is intended to be used, it might be appropriate to define: - -#define malloc(n) GC_malloc(n) -#define calloc(m,n) GC_malloc((m)*(n)) - - For small pieces of VERY allocation intensive code, gc_inl.h -includes some allocation macros that may be used in place of GC_malloc -and friends. - - All externally visible names in the garbage collector start with "GC_". -To avoid name conflicts, client code should avoid this prefix, except when -accessing garbage collector routines or variables. - - There are provisions for allocation with explicit type information. -This is rarely necessary. Details can be found in gc_typed.h. - -THE C++ INTERFACE TO THE ALLOCATOR: - - The Ellis-Hull C++ interface to the collector is included in -the collector distribution. If you intend to use this, type -"make c++" after the initial build of the collector is complete. -See gc_cpp.h for the definition of the interface. This interface -tries to approximate the Ellis-Detlefs C++ garbage collection -proposal without compiler changes. - - Very often it will also be necessary to use gc_allocator.h and the -allocator declared there to construct STL data structures. Otherwise -subobjects of STL data structures wil be allcoated using a system -allocator, and objects they refer to may be prematurely collected. - -USE AS LEAK DETECTOR: - - The collector may be used to track down leaks in C programs that are -intended to run with malloc/free (e.g. code with extreme real-time or -portability constraints). To do so define FIND_LEAK in Makefile -This will cause the collector to invoke the report_leak -routine defined near the top of reclaim.c whenever an inaccessible -object is found that has not been explicitly freed. Such objects will -also be automatically reclaimed. - If all objects are allocated with GC_DEBUG_MALLOC (see next section), then -the default version of report_leak will report at least the source file and -line number at which the leaked object was allocated. This may sometimes be -sufficient. (On a few machines, it will also report a cryptic stack trace. -If this is not symbolic, it can somethimes be called into a sympolic stack -trace by invoking program "foo" with "callprocs foo". Callprocs is a short -shell script that invokes adb to expand program counter values to symbolic -addresses. It was largely supplied by Scott Schwartz.) - Note that the debugging facilities described in the next section can -sometimes be slightly LESS effective in leak finding mode, since in -leak finding mode, GC_debug_free actually results in reuse of the object. -(Otherwise the object is simply marked invalid.) Also note that the test -program is not designed to run meaningfully in FIND_LEAK mode. -Use "make gc.a" to build the collector. - -DEBUGGING FACILITIES: - - The routines GC_debug_malloc, GC_debug_malloc_atomic, GC_debug_realloc, -and GC_debug_free provide an alternate interface to the collector, which -provides some help with memory overwrite errors, and the like. -Objects allocated in this way are annotated with additional -information. Some of this information is checked during garbage -collections, and detected inconsistencies are reported to stderr. - - Simple cases of writing past the end of an allocated object should -be caught if the object is explicitly deallocated, or if the -collector is invoked while the object is live. The first deallocation -of an object will clear the debugging info associated with an -object, so accidentally repeated calls to GC_debug_free will report the -deallocation of an object without debugging information. Out of -memory errors will be reported to stderr, in addition to returning -NIL. - - GC_debug_malloc checking during garbage collection is enabled -with the first call to GC_debug_malloc. This will result in some -slowdown during collections. If frequent heap checks are desired, -this can be achieved by explicitly invoking GC_gcollect, e.g. from -the debugger. - - GC_debug_malloc allocated objects should not be passed to GC_realloc -or GC_free, and conversely. It is however acceptable to allocate only -some objects with GC_debug_malloc, and to use GC_malloc for other objects, -provided the two pools are kept distinct. In this case, there is a very -low probablility that GC_malloc allocated objects may be misidentified as -having been overwritten. This should happen with probability at most -one in 2**32. This probability is zero if GC_debug_malloc is never called. - - GC_debug_malloc, GC_malloc_atomic, and GC_debug_realloc take two -additional trailing arguments, a string and an integer. These are not -interpreted by the allocator. They are stored in the object (the string is -not copied). If an error involving the object is detected, they are printed. - - The macros GC_MALLOC, GC_MALLOC_ATOMIC, GC_REALLOC, GC_FREE, and -GC_REGISTER_FINALIZER are also provided. These require the same arguments -as the corresponding (nondebugging) routines. If gc.h is included -with GC_DEBUG defined, they call the debugging versions of these -functions, passing the current file name and line number as the two -extra arguments, where appropriate. If gc.h is included without GC_DEBUG -defined, then all these macros will instead be defined to their nondebugging -equivalents. (GC_REGISTER_FINALIZER is necessary, since pointers to -objects with debugging information are really pointers to a displacement -of 16 bytes form the object beginning, and some translation is necessary -when finalization routines are invoked. For details, about what's stored -in the header, see the definition of the type oh in debug_malloc.c) - -INCREMENTAL/GENERATIONAL COLLECTION: - -The collector normally interrupts client code for the duration of -a garbage collection mark phase. This may be unacceptable if interactive -response is needed for programs with large heaps. The collector -can also run in a "generational" mode, in which it usually attempts to -collect only objects allocated since the last garbage collection. -Furthermore, in this mode, garbage collections run mostly incrementally, -with a small amount of work performed in response to each of a large number of -GC_malloc requests. - -This mode is enabled by a call to GC_enable_incremental(). - -Incremental and generational collection is effective in reducing -pause times only if the collector has some way to tell which objects -or pages have been recently modified. The collector uses two sources -of information: - -1. Information provided by the VM system. This may be provided in -one of several forms. Under Solaris 2.X (and potentially under other -similar systems) information on dirty pages can be read from the -/proc file system. Under other systems (currently SunOS4.X) it is -possible to write-protect the heap, and catch the resulting faults. -On these systems we require that system calls writing to the heap -(other than read) be handled specially by client code. -See os_dep.c for details. - -2. Information supplied by the programmer. We define "stubborn" -objects to be objects that are rarely changed. Such an object -can be allocated (and enabled for writing) with GC_malloc_stubborn. -Once it has been initialized, the collector should be informed with -a call to GC_end_stubborn_change. Subsequent writes that store -pointers into the object must be preceded by a call to -GC_change_stubborn. - -This mechanism performs best for objects that are written only for -initialization, and such that only one stubborn object is writable -at once. It is typically not worth using for short-lived -objects. Stubborn objects are treated less efficiently than pointerfree -(atomic) objects. - -A rough rule of thumb is that, in the absence of VM information, garbage -collection pauses are proportional to the amount of pointerful storage -plus the amount of modified "stubborn" storage that is reachable during -the collection. - -Initial allocation of stubborn objects takes longer than allocation -of other objects, since other data structures need to be maintained. - -We recommend against random use of stubborn objects in client -code, since bugs caused by inappropriate writes to stubborn objects -are likely to be very infrequently observed and hard to trace. -However, their use may be appropriate in a few carefully written -library routines that do not make the objects themselves available -for writing by client code. - - -BUGS: - - Any memory that does not have a recognizable pointer to it will be -reclaimed. Exclusive-or'ing forward and backward links in a list -doesn't cut it. - Some C optimizers may lose the last undisguised pointer to a memory -object as a consequence of clever optimizations. This has almost -never been observed in practice. Send mail to boehm@acm.org -for suggestions on how to fix your compiler. - This is not a real-time collector. In the standard configuration, -percentage of time required for collection should be constant across -heap sizes. But collection pauses will increase for larger heaps. -They will decrease with the number of processors if parallel marking -is enabled. -(On 2007 vintage machines, GC times may be on the order of 5 msecs -per MB of accessible memory that needs to be scanned and processor. -Your mileage may vary.) The incremental/generational collection facility -may help in some cases. - Please address bug reports to boehm@acm.org. If you are -contemplating a major addition, you might also send mail to ask whether -it's already been done (or whether we tried and discarded it). - diff --git a/vendor/gc/doc/README.DGUX386 b/vendor/gc/doc/README.DGUX386 deleted file mode 100644 index 9d6d847..0000000 --- a/vendor/gc/doc/README.DGUX386 +++ /dev/null @@ -1,215 +0,0 @@ - Garbage Collector (parallel iversion) for ix86 DG/UX Release R4.20MU07 - - - *READ* the file README.QUICK. - - You need the GCC-3.0.3 rev (DG/UX) compiler to build this tree. - This compiler has the new "dgux386" threads package implemented. - It also supports the switch "-pthread" needed to link correctly - the DG/UX's -lrte -lthread with -lgcc and the system's -lc. - Finally we support parralleli-mark for the SMP DG/UX machines. - To build the garbage collector do: - - ./configure --enable-parallel-mark - make - make gctest - - Before you run "gctest" you need to set your LD_LIBRARY_PATH - correctly so that "gctest" can find the shared library libgc. - Alternatively you can do a configuration - - ./configure --enable-parallel-mark --disable-shared - - to build only the static version of libgc. - - To enable debugging messages please do: - 1) Add the "--enable-full-debug" flag during configuration. - 2) Edit the file linux-threads.c and uncommnect the line: - - /* #define DEBUG_THREADS 1 */ to ---> - - #define DEBUG_THREADS 1 - - Then give "make" as usual. - - In a machine with 4 CPUs (my own machine) the option parallel - mark (aka --enable-parallel-mark) makes a BIG difference. - - Takis Psarogiannakopoulos - University of Cambridge - Centre for Mathematical Sciences - Department of Pure Mathematics - Wilberforce Road - Cambridge CB3 0WB ,UK , - January 2002 - - -Note (HB): - The integration of this patch is currently not complete. - The following patches against 6.1alpha3 where hard to move - to alpha4, and are not integrated. There may also be minor - problems with stylistic corrections made by me. - - ---- ltconfig.ORIG Mon Jan 28 20:22:18 2002 -+++ ltconfig Mon Jan 28 20:44:00 2002 -@@ -689,6 +689,11 @@ - pic_flag=-Kconform_pic - fi - ;; -+ dgux*) -+ pic_flag='-fPIC' -+ link_static='-Bstatic' -+ wl='-Wl,' -+ ;; - *) - pic_flag='-fPIC' - ;; -@@ -718,6 +723,12 @@ - # We can build DLLs from non-PIC. - ;; - -+ dgux*) -+ pic_flag='-KPIC' -+ link_static='-Bstatic' -+ wl='-Wl,' -+ ;; -+ - osf3* | osf4* | osf5*) - # All OSF/1 code is PIC. - wl='-Wl,' -@@ -1154,6 +1165,22 @@ - fi - ;; - -+ dgux*) -+ ld_shlibs=yes -+ # For both C/C++ ommit the deplibs. This is because we relying on the fact -+ # that compilation of execitables will put them in correct order -+ # in any case and sometimes are wrong when listed as deplibs (or missing some deplibs) -+ # However when GNU ld and --whole-archive needs to be used we have the problem -+ # that if the -fPIC *_s.a archive is linked through deplibs list we ommiting crucial -+ # .lo/.o files from the created shared lib. This I think is not the case here. -+ archive_cmds='$CC -shared -h $soname -o $lib $libobjs $linkopts' -+ thread_safe_flag_spec='-pthread' -+ wlarc= -+ hardcode_libdir_flag_spec='-L$libdir' -+ hardcode_shlibpath_var=no -+ ac_cv_archive_cmds_needs_lc=no -+ ;; -+ - cygwin* | mingw*) - # hardcode_libdir_flag_spec is actually meaningless, as there is - # no search path for DLLs. -@@ -1497,7 +1524,7 @@ - ;; - - dgux*) -- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' -+ archive_cmds='$CC -shared -h $soname -o $lib $libobjs $linkopts' - hardcode_libdir_flag_spec='-L$libdir' - hardcode_shlibpath_var=no - ;; -@@ -2092,12 +2119,17 @@ - ;; - - dgux*) -- version_type=linux -+ version_type=dgux - need_lib_prefix=no - need_version=no -- library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' -- soname_spec='${libname}${release}.so$major' -+ library_names_spec='$libname.so$versuffix' -+ soname_spec='$libname.so$versuffix' - shlibpath_var=LD_LIBRARY_PATH -+ thread_safe_flag_spec='-pthread' -+ wlarc= -+ hardcode_libdir_flag_spec='-L$libdir' -+ hardcode_shlibpath_var=no -+ ac_cv_archive_cmds_needs_lc=no - ;; - - sysv4*MP*) - - ---- ltmain.sh.ORIG Mon Jan 28 20:31:18 2002 -+++ ltmain.sh Tue Jan 29 00:11:29 2002 -@@ -1072,11 +1072,38 @@ - esac - ;; - -+ -thread*) -+ # DG/UX GCC 2.95.x, 3.x.x rev (DG/UX) links -lthread -+ # with the switch -threads -+ if test "$arg" = "-threads"; then -+ case "$host" in -+ i[3456]86-*-dgux*) -+ deplibs="$deplibs $arg" -+ continue -+ ;; -+ esac -+ fi -+ ;; -+ -+ -pthread*) -+ # DG/UX GCC 2.95.x, 3.x.x rev (DG/UX) links -lthread -+ # with the switch -pthread -+ if test "$arg" = "-pthread"; then -+ case "$host" in -+ i[3456]86-*-dgux*) -+ deplibs="$deplibs $arg" -+ continue -+ ;; -+ esac -+ fi -+ ;; -+ - -l*) - if test "$arg" = "-lc"; then - case "$host" in -- *-*-cygwin* | *-*-mingw* | *-*-os2* | *-*-beos*) -+ *-*-cygwin* | *-*-mingw* | *-*-os2* | *-*-beos* | i[3456]86-*-dgux*) - # These systems don't actually have c library (as such) -+ # It is wrong in DG/UX to add -lc when creating shared/dynamic objs/libs - continue - ;; - esac -@@ -1248,6 +1275,12 @@ - temp_deplibs= - for deplib in $dependency_libs; do - case "$deplib" in -+ -thread*) -+ temp_deplibs="$temp_deplibs $deplib" -+ ;; -+ -pthread) -+ temp_deplibs="$temp_deplibs $deplib" -+ ;; - -R*) temp_xrpath=`$echo "X$deplib" | $Xsed -e 's/^-R//'` - case " $rpath $xrpath " in - *" $temp_xrpath "*) ;; -@@ -1709,6 +1742,13 @@ - done - ;; - -+ dgux) -+ # Leave mostly blank for DG/UX -+ major= -+ versuffix=".$current.$revision"; -+ verstring= -+ ;; -+ - linux) - major=.`expr $current - $age` - versuffix="$major.$age.$revision" -@@ -1792,8 +1832,9 @@ - - dependency_libs="$deplibs" - case "$host" in -- *-*-cygwin* | *-*-mingw* | *-*-os2* | *-*-beos*) -+ *-*-cygwin* | *-*-mingw* | *-*-os2* | *-*-beos* | i[3456]86-*-dgux*) - # these systems don't actually have a c library (as such)! -+ # It is wrong in DG/UX to add -lc when creating shared/dynamic objs/libs - ;; - *) - # Add libc to deplibs on all other systems. diff --git a/vendor/gc/doc/README.Mac b/vendor/gc/doc/README.Mac deleted file mode 100644 index ae9c1d5..0000000 --- a/vendor/gc/doc/README.Mac +++ /dev/null @@ -1,390 +0,0 @@ -The contents of this file are old and pertain to pre-MacOSX versions. -You probably really wanted README.darwin. - ---------------------------------------------- - -Patrick Beard's Notes for building GC v4.12 with CodeWarrior Pro 2: ----------------------------------------------------------------------------- -The current build environment for the collector is CodeWarrior Pro 2. -Projects for CodeWarrior Pro 2 (and for quite a few older versions) -are distributed in the file Mac_projects.sit.hqx. The project file -:Mac_projects:gc.prj builds static library versions of the collector. -:Mac_projects:gctest.prj builds the GC test suite. - -Configuring the collector is still done by editing the files -:Mac_files:MacOS_config.h and :Mac_files:MacOS_Test_config.h. - -Lars Farm's suggestions on building the collector: ----------------------------------------------------------------------------- -Garbage Collection on MacOS - a manual 'MakeFile' -------------------------------------------------- - -Project files and IDE's are great on the Macintosh, but they do have -problems when used as distribution media. This note tries to provide -porting instructions in pure TEXT form to avoid those problems. A manual -'makefile' if you like. - - GC version: 4.12a2 - Codewarrior: CWPro1 - date: 18 July 1997 - -The notes may or may not apply to earlier or later versions of the -GC/CWPro. Actually, they do apply to earlier versions of both except that -until recently a project could only build one target so each target was a -separate project. The notes will most likely apply to future versions too. -Possibly with minor tweaks. - -This is just to record my experiences. These notes do not mean I now -provide a supported port of the GC to MacOS. It works for me. If it works -for you, great. If it doesn't, sorry, try again...;-) Still, if you find -errors, please let me know. - - mailto: lars.farm@ite.mh.se - - address: Lars Farm - Krönvägen 33b - 856 44 Sundsvall - Sweden - -Porting to MacOS is a bit more complex than it first seems. Which MacOS? -68K/PowerPC? Which compiler? Each supports both 68K and PowerPC and offer a -large number of (unique to each environment) compiler settings. Each -combination of compiler/68K/PPC/settings require a unique combination of -standard libraries. And the IDE's does not select them for you. They don't -even check that the library is built with compatible setting and this is -the major source of problems when porting the GC (and otherwise too). - -You will have to make choices when you configure the GC. I've made some -choices here, but there are other combinations of settings and #defines -that work too. - -As for target settings the major obstacles may be: -- 68K Processor: check "4-byte Ints". -- PPC Processor: uncheck "Store Static Data in TOC". - -What you need to do: -=================== - -1) Build the GC as a library -2) Test that the library works with 'test.c'. -3) Test that the C++ interface 'gc_cpp.cc/h' works with 'test_cpp.cc'. - -1) The Libraries: -================= -I made one project with four targets (68K/PPC tempmem or appheap). One target -will suffice if you're able to decide which one you want. I wasn't... - -Codewarrior allows a large number of compiler/linker settings. I used these: - -Settings shared by all targets: ------------------------------- -o Access Paths: - - User Paths: the GC folder - - System Paths: {Compiler}:Metrowerks Standard Library: - {Compiler}:MacOS Support:Headers: - {Compiler}:MacOS Support:MacHeaders: -o C/C++ language: - - inlining: normal - - direct to SOM: off - - enable/check: exceptions, RTTI, bool (and if you like pool strings) - -PowerPC target settings ------------------------ -o Target Settings: - - name of target - - MacOS PPC Linker -o PPC Target - - name of library -o C/C++ language - - prefix file as described below -o PPC Processor - - Struct Alignment: PowerPC - - uncheck "Store Static Data in TOC" -- important! - I don't think the others matter, I use full optimization and its ok -o PPC Linker - - Factory Settings (SYM file with full paths, faster linking, dead-strip - static init, Main: __start) - - -68K target settings -------------------- -o Target Settings: - - name of target - - MacOS 68K Linker -o 68K Target - - name of library - - A5 relative data -o C/C++ language - - prefix file as described below -o 68K Processor - - Code model: smart - - Struct alignment: 68K - - FP: SANE - - enable 4-Byte Ints -- important! - I don't think the others matter. I selected... - - enable: 68020 - - enable: global register allocation -o IR Optimizer - - enable: Optimize Space, Optimize Speed - I suppose the others would work too, but haven't tried... -o 68K Linker - - Factory Settings (New Style MacsBug,SYM file with full paths, - A6 Frames, fast link, Merge compiler glue into segment 1, - dead-strip static init) - -Prefix Files to configure the GC sources ----------------------------------------- -The Codewarrior equivalent of commandline compilers -DNAME=X is to use -prefix-files. A TEXT file that is automatically #included before the first byte -of every source file. I used these: - ----- ( cut here ) ---- gc_prefix_tempmem.h -- 68K and PPC ----- - #include "gc_prefix_common.h" - #undef USE_TEMPORARY_MEMORY - #define USE_TEMPORARY_MEMORY ----- ( cut here ) ---- gc_prefix_appmem.h -- 68K and PPC ----- - #include "gc_prefix_common.h" - #undef USE_TEMPORARY_MEMORY -// #define USE_TEMPORARY_MEMORY - ----- ( cut here ) ---- gc_prefix_common.h -------------------- -// gc_prefix_common.h -// ------------------ -// Codewarrior prefix file to configure the GC libraries -// -// prefix files are the Codewarrior equivalent of the -// command line option -Dname=x frequently seen in makefiles - -#if !__MWERKS__ - #error only tried this with Codewarrior -#endif - -#if macintosh - #define MSL_USE_PRECOMPILED_HEADERS 0 - #include - #ifndef __STDC__ - #define __STDC__ 0 - #endif - - // See list of #defines to configure the library in: 'MakeFile' - // see also README - - #define SILENT // no collection messages. In case - // of trouble you might want this off - #define ALL_INTERIOR_POINTERS // follows interior pointers. -//#define DONT_ADD_BYTE_AT_END // disables the padding if defined. -//#define SMALL_CONFIG // whether to use a smaller heap. - #define NO_SIGNALS // signals aren't real on the Macintosh. - #define ATOMIC_UNCOLLECTABLE // GC_malloc_atomic_uncollectable() - - // define either or none as per personal preference - // used in malloc.c - #define REDIRECT_MALLOC GC_malloc -//#define REDIRECT_MALLOC GC_malloc_uncollectable - // if REDIRECT_MALLOC is #defined make sure that the GC library - // is listed before the ANSI/ISO libs in the Codewarrior - // 'Link order' panel -//#define IGNORE_FREE - - // mac specific configs -//#define USE_TEMPORARY_MEMORY // use Macintosh temporary memory. -//#define SHARED_LIBRARY_BUILD // build for use in a shared library. - -#else - // could build Win32 here too, or in the future - // Rhapsody PPC-mach, Rhapsody PPC-MacOS, - // Rhapsody Intel-mach, Rhapsody Intel-Win32,... - // ... ugh this will get messy ... -#endif - -// make sure ints are at least 32-bit -// ( could be set to 16-bit by compiler settings (68K) ) - -struct gc_private_assert_intsize_{ char x[ sizeof(int)>=4 ? 1 : 0 ]; }; - -#if __powerc - #if __option(toc_data) - #error turn off "store static data in TOC" when using GC - // ... or find a way to add TOC to the root set...(?) - #endif -#endif ----- ( cut here ) ---- end of gc_prefix_common.h ----------------- - -Files to build the GC libraries: --------------------------------- - allchblk.c - alloc.c - blacklst.c - checksums.c - dbg_mlc.c - finalize.c - headers.c - mach_dep.c - MacOS.c -- contains MacOS code - malloc.c - mallocx.c - mark.c - mark_rts.c - misc.c - new_hblk.c - obj_map.c - os_dep.c -- contains MacOS code - ptr_chck.c - reclaim.c - stubborn.c - typd_mlc.c - gc++.cc -- this is 'gc_cpp.cc' with less 'inline' and - -- throw std::bad_alloc when out of memory - -- gc_cpp.cc works just fine too - -2) Test that the library works with 'test.c'. -============================================= - -The test app is just an ordinary ANSI-C console app. Make sure settings -match the library you're testing. - -Files ------ - test.c - the GC library to test -- link order before ANSI libs - suitable Mac+ANSI libraries - -prefix: ------- ----- ( cut here ) ---- gc_prefix_testlib.h -- all libs ----- -#define MSL_USE_PRECOMPILED_HEADERS 0 -#include -#undef NDEBUG - -#define ALL_INTERIOR_POINTERS /* for GC_priv.h */ ----- ( cut here ) ---- - -3) Test that the C++ interface 'gc_cpp.cc/h' works with 'test_cpp.cc'. - -The test app is just an ordinary ANSI-C console app. Make sure settings match -the library you're testing. - -Files ------ - test_cpp.cc - the GC library to test -- link order before ANSI libs - suitable Mac+ANSI libraries - -prefix: ------- -same as for test.c - -For convenience I used one test-project with several targets so that all -test apps are build at once. Two for each library to test: test.c and -gc_app.cc. When I was satisfied that the libraries were ok. I put the -libraries + gc.h + the c++ interface-file in a folder that I then put into -the MSL hierarchy so that I don't have to alter access-paths in projects -that use the GC. - -After that, just add the proper GC library to your project and the GC is in -action! malloc will call GC_malloc and free GC_free, new/delete too. You -don't have to call free or delete. You may have to be a bit cautious about -delete if you're freeing other resources than RAM. See gc_cpp.h. You can -also keep coding as always with delete/free. That works too. If you want, -"include and tweak it's use a bit. - -Symantec SPM -============ -It has been a while since I tried the GC in SPM, but I think that the above -instructions should be sufficient to guide you through in SPM too. SPM -needs to know where the global data is. Use the files 'datastart.c' and -'dataend.c'. Put 'datastart.c' at the top of your project and 'dataend.c' -at the bottom of your project so that all data is surrounded. This is not -needed in Codewarrior because it provides intrinsic variables -__datastart__, __data_end__ that wraps all globals. - -Source Changes (GC 4.12a2) -========================== -Very few. Just one tiny in the GC, not strictly needed. -- MacOS.c line 131 in routine GC_MacFreeTemporaryMemory() - change # if !defined(SHARED_LIBRARY_BUILD) - to # if !defined(SILENT) && !defined(SHARED_LIBRARY_BUILD) - To turn off a message when the application quits (actually, I faked - this change by #defining SHARED_LIBRARY_BUILD in a statically linked - library for more than a year without ill effects but perhaps this is - better). - -- test_cpp.cc - made the first lines of main() look like this: - ------------ - int main( int argc, char* argv[] ) { - #endif - #if macintosh // MacOS - char* argv_[] = {"test_cpp","10"}; // doesn't - argv=argv_; // have a - argc = sizeof(argv_)/sizeof(argv_[0]); // commandline - #endif // - - int i, iters, n; - # ifndef __GNUC__ - alloc dummy_to_fool_the_compiler_into_doing_things_it_currently_cant_handle; - ------------ - -- config.h [now gcconfig.h] - __MWERKS__ does not have to mean MACOS. You can use Codewarrior to - build a Win32 or BeOS library and soon a Rhapsody library. You may - have to change that #if... - - - - It worked for me, hope it works for you. - - Lars Farm - 18 July 1997 ----------------------------------------------------------------------------- - - -Patrick Beard's instructions (may be dated): - -v4.3 of the collector now runs under Symantec C++/THINK C v7.0.4, and -Metrowerks C/C++ v4.5 both 68K and PowerPC. Project files are provided -to build and test the collector under both development systems. - -Configuration -------------- - -To configure the collector, under both development systems, a prefix file -is used to set preprocessor directives. This file is called "MacOS_config.h". -Also to test the collector, "MacOS_Test_config.h" is provided. - -Testing -------- - -To test the collector (always a good idea), build one of the gctest projects, -gctest.¹ (Symantec C++/THINK C), mw/gctest.68K.¹, or mw/gctest.PPC.¹. The -test will ask you how many times to run; 1 should be sufficient. - -Building --------- - -For your convenience project files for the major Macintosh development -systems are provided. - -For Symantec C++/THINK C, you must build the two projects gclib-1.¹ and -gclib-2.¹. It has to be split up because the collector has more than 32k -of static data and no library can have more than this in the Symantec -environment. (Future versions will probably fix this.) - -For Metrowerks C/C++ 4.5 you build gc.68K.¹/gc.PPC.¹ and the result will -be a library called gc.68K.lib/gc.PPC.lib. - -Using ------ - -Under Symantec C++/THINK C, you can just add the gclib-1.¹ and gclib-2.¹ -projects to your own project. Under Metrowerks, you add gc.68K.lib or -gc.PPC.lib and two additional files. You add the files called datastart.c -and dataend.c to your project, bracketing all files that use the collector. -See mw/gctest.¹ for an example. - -Include the projects/libraries you built above into your own project, -#include "gc.h", and call GC_malloc. You don't have to call GC_free. - - -Patrick C. Beard -January 4, 1995 diff --git a/vendor/gc/doc/README.MacOSX b/vendor/gc/doc/README.MacOSX deleted file mode 100644 index f5333d5..0000000 --- a/vendor/gc/doc/README.MacOSX +++ /dev/null @@ -1 +0,0 @@ -See README.darwin for the latest Darwin/MacOSX information. diff --git a/vendor/gc/doc/README.OS2 b/vendor/gc/doc/README.OS2 deleted file mode 100644 index 5345bbd..0000000 --- a/vendor/gc/doc/README.OS2 +++ /dev/null @@ -1,6 +0,0 @@ -The code assumes static linking, and a single thread. The editor de has -not been ported. The cord test program has. The supplied OS2_MAKEFILE -assumes the IBM C Set/2 environment, but the code shouldn't. - -Since we haven't figured out hoe to do perform partial links or to build static -libraries, clients currently need to link against a long list of executables. diff --git a/vendor/gc/doc/README.amiga b/vendor/gc/doc/README.amiga deleted file mode 100644 index 730dce3..0000000 --- a/vendor/gc/doc/README.amiga +++ /dev/null @@ -1,322 +0,0 @@ -=========================================================================== - Kjetil S. Matheussen's notes (28-11-2000) -=========================================================================== -Compiles under SAS/C again. Should allso still compile under other -amiga compilers without big changes. I haven't checked if it still -works under gcc, because I don't have gcc for amiga. But I have -updated 'Makefile', and hope it compiles fine. - - -WHATS NEW: - -1. - Made a pretty big effort in preventing GCs allocating-functions from returning - chip-mem. - - The lower part of the new file AmigaOS.c does this in various ways, mainly by - wrapping GC_malloc, GC_malloc_atomic, GC_malloc_uncollectable, - GC_malloc_atomic_uncollectable, GC_malloc_stubborn, GC_malloc_ignore_off_page - and GC_malloc_atomic_ignore_off_page. GC_realloc is allso wrapped, but - doesn't do the same effort in preventing to return chip-mem. - Other allocating-functions (f.ex. GC_*_typed_) can probably be - used without any problems, but beware that the warn hook will not be called. - In case of problems, don't define GC_AMIGA_FASTALLOC. - - Programs using more time actually using the memory allocated - (instead of just allocate and free rapidly) have - the most to earn on this, but even gctest now normally runs twice - as fast and uses less memory, on my poor 8MB machine. - - The changes have only effect when there is no more - fast-mem left. But with the way GC works, it - could happen quite often. Beware that an atexit handler had to be added, - so using the abort() function will make a big memory-loss. - If you absolutely must call abort() instead of exit(), try calling - the GC_amiga_free_all_mem function before abort(). - - New amiga-spesific compilation flags: - - GC_AMIGA_FASTALLOC - By NOT defining this option, GC will work like before, - it will not try to force fast-mem out of the OS, and - it will use normal calloc for allocation, and the rest - of the following flags will have no effect. - - GC_AMIGA_ONLYFAST - Makes GC never to return chip-mem. GC_AMIGA_RETRY have - no effect if this flag is set. - - GC_AMIGA_GC - If gc returns NULL, do a GC_gcollect, and try again. This - usually is a success with the standard GC configuration. - It is allso the most important flag to set to prevent - GC from returning chip-mem. Beware that it slows down a lot - when a program is rapidly allocating/deallocating when - theres either very little fast-memory left or verly little - chip-memory left. Its not a very common situation, but gctest - sometimes (very rare) use many minutes because of this. - - GC_AMIGA_RETRY - If gc succeed allocating memory, but it is chip-mem, - try again and see if it is fast-mem. Most of the time, - it will actually return fast-mem for the second try. - I have set max number of retries to 9 or size/5000. You - can change this if you like. (see GC_amiga_rec_alloc()) - - GC_AMIGA_PRINTSTATS - Gather some statistics during the execution of a - program, and prints out the info when the atexit-handler - is called. - - My reccomendation is to set all this flags, except GC_AMIGA_PRINTSTATS and - GC_AMIGA_ONLYFAST. - - If your program demands high response-time, you should - not define GC_AMIGA_GC, and possible allso define GC_AMIGA_ONLYFAST. - GC_AMIGA_RETRY does not seem to slow down much. - - Allso, when compiling up programs, and GC_AMIGA_FASTALLOC was not defined when - compilling gc, you can define GC_AMIGA_MAKINGLIB to avoid having these allocation- - functions wrapped. (see gc.h) - - Note that GC_realloc must not be called before any of - the other above mentioned allocating-functions have been called. (shouldn't be - any programs doing so either, I hope). - - Another note. The allocation-function is wrapped when defining - GC_AMIGA_FASTALLOC by letting the function go thru the new - GC_amiga_allocwrapper_do function-pointer (see gc.h). Means that - sending function-pointers, such as GC_malloc, GC_malloc_atomic, etc., - for later to be called like f.ex this, (*GC_malloc_functionpointer)(size), - will not wrap the function. This is normally not a big problem, unless - all allocation function is called like this, which will cause the - atexit un-allocating function never to be called. Then you either - have to manually add the atexit handler, or call the allocation- - functions function-pointer functions like this; - (*GC_amiga_allocwrapper_do)(size,GC_malloc_functionpointer). - There are probably better ways this problem could be handled, unfortunately, - I didn't find any without rewriting or replacing a lot of the GC-code, which - I really didn't want to. (Making new GC_malloc_* functions, and just - define f.ex GC_malloc as GC_amiga_malloc should allso work). - - - New amiga-spesific function: - - void GC_amiga_set_toany(void (*func)(void)); - - 'func' is a function that will be called right before gc has to change - allocation-method from MEMF_FAST to MEMF_ANY. Ie. when it is likely - it will return chip-mem. - - -2. A few small compiler-spesific additions to make it compile with SAS/C again. - -3. Updated and rewritten the smakefile, so that it works again and that - the "unnecesarry" 'SCOPTIONS' files could be removed. Allso included - the cord-smakefile stuff in the main smakefile, so that the cord smakefile - could be removed too. By writing smake -f Smakefile.smk, both gc.lib and - cord.lib will be made. - - - -STILL MISSING: - -Programs can not be started from workbench, at least not for SAS/C. (Martin -Tauchmanns note about that it now works with workbench is definitely wrong -when concerning SAS/C). I guess it works if you use the old "#if 0'ed"-code, -but I haven't tested it. I think the reason for MT to replace the -"#if 0'ed"-code was only because it was a bit to SAS/C-spesific. But I -don't know. An iconx-script solves this problem anyway. - - -BEWARE! - --To run gctest, set the stack to around 200000 bytes first. --SAS/C-spesific: cord will crash if you compile gc.lib with - either parm=reg or parm=both. (missing legal prototypes for - function-pointers someplace is the reason I guess.). - - -tested with software: Radium, http://www.stud.ifi.uio.no/~ksvalast/radium/ - -tested with hardware: MC68060 - - --ksvalast@ifi.uio.no - - -=========================================================================== - Martin Tauchmann's notes (1-Apr-99) -=========================================================================== - -Works now, also with the GNU-C compiler V2.7.2.1. -Modify the `Makefile` -CC=cc $(ABI_FLAG) -to -CC=gcc $(ABI_FLAG) - -TECHNICAL NOTES - -- `GC_get_stack_base()`, `GC_register_data_segments()` works now with every - C compiler; also Workbench. - -- Removed AMIGA_SKIP_SEG, but the Code-Segment must not be scanned by GC. - - -PROBLEMS -- When the Linker, does`t merge all Code-Segments to an single one. LD of GCC - do it always. - -- With ixemul.library V47.3, when an GC program launched from another program - (example: `Make` or `if_mach M68K AMIGA gctest`), `GC_register_data_segments()` - found the Segment-List of the caller program. - Can be fixed, if the run-time initialization code (for C programs, usually *crt0*) - support `__data` and `__bss`. - -- PowerPC Amiga currently not supported. - -- Dynamic libraries (dyn_load.c) not supported. - - -TESTED WITH SOFTWARE - -`Optimized Oberon 2 C` (oo2c) - - -TESTED WITH HARDWARE - -MC68030 - - -CONTACT - -Please, contact me at , when you change the -Amiga port. - -=========================================================================== - Michel Schinz's notes -=========================================================================== -WHO DID WHAT - -The original Amiga port was made by Jesper Peterson. I (Michel Schinz) -modified it slightly to reflect the changes made in the new official -distributions, and to take advantage of the new SAS/C 6.x features. I also -created a makefile to compile the "cord" package (see the cord -subdirectory). - -TECHNICAL NOTES - -In addition to Jesper's notes, I have the following to say: - -- Starting with version 4.3, gctest checks to see if the code segment is - added to the root set or not, and complains if it is. Previous versions - of this Amiga port added the code segment to the root set, so I tried to - fix that. The only problem is that, as far as I know, it is impossible to - know which segments are code segments and which are data segments (there - are indeed solutions to this problem, like scanning the program on disk - or patch the LoadSeg functions, but they are rather complicated). The - solution I have chosen (see os_dep.c) is to test whether the program - counter is in the segment we are about to add to the root set, and if it - is, to skip the segment. The problems are that this solution is rather - awkward and that it works only for one code segment. This means that if - your program has more than one code segment, all of them but one will be - added to the root set. This isn't a big problem in fact, since the - collector will continue to work correctly, but it may be slower. - - Anyway, the code which decides whether to skip a segment or not can be - removed simply by not defining AMIGA_SKIP_SEG. But notice that if you do - so, gctest will complain (it will say that "GC_is_visible produced wrong - failure indication"). However, it may be useful if you happen to have - pointers stored in a code segment (you really shouldn't). - - If anyone has a good solution to the problem of finding, when a program - is loaded in memory, whether a segment is a code or a data segment, - please let me know. - -PROBLEMS - -If you have any problem with this version, please contact me at -schinz@alphanet.ch (but do *not* send long files, since we pay for -every mail!). - -=========================================================================== - Jesper Peterson's notes -=========================================================================== - -ADDITIONAL NOTES FOR AMIGA PORT - -These notes assume some familiarity with Amiga internals. - -WHY I PORTED TO THE AMIGA - -The sole reason why I made this port was as a first step in getting -the Sather(*) language on the Amiga. A port of this language will -be done as soon as the Sather 1.0 sources are made available to me. -Given this motivation, the garbage collection (GC) port is rather -minimal. - -(*) For information on Sather read the comp.lang.sather newsgroup. - -LIMITATIONS - -This port assumes that the startup code linked with target programs -is that supplied with SAS/C versions 6.0 or later. This allows -assumptions to be made about where to find the stack base pointer -and data segments when programs are run from WorkBench, as opposed -to running from the CLI. The compiler dependent code is all in the -GC_get_stack_base() and GC_register_data_segments() functions, but -may spread as I add Amiga specific features. - -Given that SAS/C was assumed, the port is set up to be built with -"smake" using the "SMakefile". Compiler options in "SCoptions" can -be set with "scopts" program. Both "smake" and "scopts" are part of -the SAS/C commercial development system. - -In keeping with the porting philosophy outlined above, this port -will not behave well with Amiga specific code. Especially not inter- -process comms via messages, and setting up public structures like -Intuition objects or anything else in the system lists. For the -time being the use of this library is limited to single threaded -ANSI/POSIX compliant or near-complient code. (ie. Stick to stdio -for now). Given this limitation there is currently no mechanism for -allocating "CHIP" or "PUBLIC" memory under the garbage collector. -I'll add this after giving it considerable thought. The major -problem is the entire physical address space may have to me scanned, -since there is no telling who we may have passed memory to. - -If you allocate your own stack in client code, you will have to -assign the pointer plus stack size to GC_stackbottom. - -The initial stack size of the target program can be compiled in by -setting the __stack symbol (see SAS documentaion). It can be over- -ridden from the CLI by running the AmigaDOS "stack" program, or from -the WorkBench by setting the stack size in the tool types window. - -SAS/C COMPILER OPTIONS (SCoptions) - -You may wish to check the "CPU" code option is appropriate for your -intended target system. - -Under no circumstances set the "StackExtend" code option in either -compiling the library or *ANY* client code. - -All benign compiler warnings have been suppressed. These mainly -involve lack of prototypes in the code, and dead assignments -detected by the optimizer. - -THE GOOD NEWS - -The library as it stands is compatible with the GigaMem commercial -virtual memory software, and probably similar PD software. - -The performance of "gctest" on an Amiga 2630 (68030 @ 25Mhz) -compares favourably with an HP9000 with similar architecture (a 325 -with a 68030 I think). - ------------------------------------------------------------------------ - -The Amiga port has been brought to you by: - -Jesper Peterson. - -jep@mtiame.mtia.oz.au (preferred, but 1 week turnaround) -jep@orca1.vic.design.telecom.au (that's orca, 1 day turnaround) - -At least one of these addresses should be around for a while, even -though I don't work for either of the companies involved. - diff --git a/vendor/gc/doc/README.arm.cross b/vendor/gc/doc/README.arm.cross deleted file mode 100644 index 96744ed..0000000 --- a/vendor/gc/doc/README.arm.cross +++ /dev/null @@ -1,68 +0,0 @@ -From: Margaret Fleck - -Here's the key details of what worked for me, in case anyone else needs them. -There may well be better ways to do some of this, but .... - -- Margaret - - -The badge4 has a StrongArm-1110 processor and a StrongArm-1111 coprocessor. - -Assume that the garbage collector distribution is unpacked into /home/arm/gc6.0, -which is visible to both the ARM machine and a linux desktop (e.g. via NFS mounting). - -Assume that you have a file /home/arm/config.site with contents something like the -example attached below. Notice that our local ARM toolchain lives in -/skiff/local. - -Go to /home/arm/gc6.0 directory. Do - CONFIG_SITE=/home/arm/config.site ./configure --target=arm-linux ---prefix=/home/arm/gc6.0 - -On your desktop, do: - make - make install -The main garbage collector library should now be in ../gc6.0/lib/libgc.so. - -To test the garbage collector, first do the following on your desktop - make gctest - ./gctest -Then do the following on the ARM machine - cd .libs - ./lt-gctest - -Do not try to do "make test" (the usual way of running the test -program). This does not work and seems to erase some of the important -files. - -The gctest program claims to have succeeded. Haven't run any further tests -with it, though I'll be doing so in the near future. - -------------------------------- -# config.site for configure - -# Modified from the one provided by Bradley D. LaRonde -# Edited by Andrej Cedilnik -# Used some of solutions by Tilman Vogel -# Ported for iPAQ Familiar by Oliver Kurth -# Further modified by Margaret Fleck for the badge4 - -HOSTCC=gcc - -# Names of the cross-compilers -CC=/skiff/local/bin/arm-linux-gcc -CXX=/skiff/local/bin/arm-linux-gcc - -# The cross compiler specific options -CFLAGS="-O2 -fno-exceptions" -CXXFLAGS="-O2 -fno-exceptions" -CPPFLAGS="-O2 -fno-exceptions" -LDFLAGS="" - -# Some other programs -AR=/skiff/local/bin/arm-linux-ar -RANLIB=/skiff/local/bin/arm-linux-ranlib -NM=/skiff/local/bin/arm-linux-nm -ac_cv_path_NM=/skiff/local/bin/arm-linux-nm -ac_cv_func_setpgrp_void=yes -x_includes=/skiff/local/arm-linux/include/X11 -x_libraries=/skiff/local/arm-linux/lib/X11 diff --git a/vendor/gc/doc/README.autoconf b/vendor/gc/doc/README.autoconf deleted file mode 100644 index 53fcf5a..0000000 --- a/vendor/gc/doc/README.autoconf +++ /dev/null @@ -1,59 +0,0 @@ -As of GC6.0alpha8, we attempt to support GNU-style builds based on automake, -autoconf and libtool. This is based almost entirely on Tom Tromey's work -with gcj. - -To build and install libraries use - -configure; make; make install - -The advantages of this process are: - -1) It should eventually do a better job of automatically determining the -right compiler to use, etc. It probably already does in some cases. - -2) It tries to automatically set a good set of default GC parameters for -the platform (e.g. thread support). It provides an easier way to configure -some of the others. - -3) It integrates better with other projects using a GNU-style build process. - -4) It builds both dynamic and static libraries. - -The known disadvantages are: - -1) The build scripts are much more complex and harder to debug (though largely -standard). I don't understand them all, and there's probably lots of redundant -stuff. - -2) It probably doesn't work on all Un*x-like platforms yet. It probably will -never work on the rest. - -3) The scripts are not yet complete. Some of the standard GNU targets don't -yet work. (Corrections/additions are very welcome.) - -The distribution should contain all files needed to run "configure" and "make", -as well as the sources needed to regenerate the derived files. (If I missed -some, please let me know.) - -Note that the distribution comes with a "Makefile" which will be overwritten -by "configure" with one that is not at all equiavelent to the original. The -distribution contains a copy of the original "Makefile" in "Makefile.direct". - -Important options to configure: - - --prefix=PREFIX install architecture-independent files in PREFIX - [/usr/local] - --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX - [same as prefix] - --enable-threads=TYPE choose threading package - --enable-parallel-mark parallelize marking and free list construction - --enable-full-debug include full support for pointer backtracing etc. - -Unless --prefix is set (or --exec-prefix or one of the more obscure options), -make install will install libgc.a and libgc.so in /usr/local/bin, which -would typically require the "make install" to be run as root. - -Most commonly --enable-threads=posix or will be needed. --enable-parallel-mark -is recommended for multiprocessors if it is supported on the platform. - - diff --git a/vendor/gc/doc/README.changes b/vendor/gc/doc/README.changes deleted file mode 100644 index 27bf33e..0000000 --- a/vendor/gc/doc/README.changes +++ /dev/null @@ -1,2594 +0,0 @@ -This is a rough history of garbage collector bugs and versions. - -This has been maintained with varying diligence over the years. - -I made an attempt to include recent contributors here. I apologize for any -omissions. - -RECENT UPDATES ARE RECORDED IN ../ChangeLog FILE INSTEAD TO CONFORM TO -MORE COMMON CONVENTIONS. - -------------------------- - - Version 1.3 and immediately preceding versions contained spurious -assembly language assignments to TMP_SP. Only the assignment in the PC/RT -code is necessary. On other machines, with certain compiler options, -the assignments can lead to an unsaved register being overwritten. -Known to cause problems under SunOS 3.5 WITHOUT the -O option. (With --O the compiler recognizes it as dead code. It probably shouldn't, -but that's another story.) - - Version 1.4 and earlier versions used compile time determined values -for the stack base. This no longer works on Sun 3s, since Sun 3/80s use -a different stack base. We now use a straightforward heuristic on all -machines on which it is known to work (incl. Sun 3s) and compile-time -determined values for the rest. There should really be library calls -to determine such values. - - Version 1.5 and earlier did not ensure 8 byte alignment for objects -allocated on a sparc based machine. - - Version 1.8 added ULTRIX support in gc_private.h. - - Version 1.9 fixed a major bug in gc_realloc. - - Version 2.0 introduced a consistent naming convention for collector -routines and added support for registering dynamic library data segments -in the standard mark_roots.c. Most of the data structures were revamped. -The treatment of interior pointers was completely changed. Finalization -was added. Support for locking was added. Object kinds were added. -We added a black listing facility to avoid allocating at addresses known -to occur as integers somewhere in the address space. Much of this -was accomplished by adapting ideas and code from the PCR collector. -The test program was changed and expanded. - - Version 2.1 was the first stable version since 1.9, and added support -for PPCR. - - Version 2.2 added debugging allocation, and fixed various bugs. Among them: -- GC_realloc could fail to extend the size of the object for certain large object sizes. -- A blatant subscript range error in GC_printf, which unfortunately - wasn't exercised on machines with sufficient stack alignment constraints. -- GC_register_displacement did the wrong thing if it was called after - any allocation had taken place. -- The leak finding code would eventually break after 2048 byte - byte objects leaked. -- interface.c didn't compile. -- The heap size remained much too small for large stacks. -- The stack clearing code behaved badly for large stacks, and perhaps - on HP/PA machines. - - Version 2.3 added ALL_INTERIOR_POINTERS and fixed the following bugs: -- Missing declaration of etext in the A/UX version. -- Some PCR root-finding problems. -- Blacklisting was not 100% effective, because the plausible future - heap bounds were being miscalculated. -- GC_realloc didn't handle out-of-memory correctly. -- GC_base could return a nonzero value for addresses inside free blocks. -- test.c wasn't really thread safe, and could erroneously report failure - in a multithreaded environment. (The locking primitives need to be - replaced for other threads packages.) -- GC_CONS was thoroughly broken. -- On a SPARC with dynamic linking, signals stayed diabled while the - client code was running. - (Thanks to Manuel Serrano at INRIA for reporting the last two.) - - Version 2.4 added GC_free_space_divisor as a tuning knob, added - support for OS/2 and linux, and fixed the following bugs: -- On machines with unaligned pointers (e.g. Sun 3), every 128th word could - fail to be considered for marking. -- Dynamic_load.c erroneously added 4 bytes to the length of the data and - bss sections of the dynamic library. This could result in a bad memory - reference if the actual length was a multiple of a page. (Observed on - Sun 3. Can probably also happen on a Sun 4.) - (Thanks to Robert Brazile for pointing out that the Sun 3 version - was broken. Dynamic library handling is still broken on Sun 3s - under 4.1.1U1, but apparently not 4.1.1. If you have such a machine, - use -Bstatic.) - - Version 2.5 fixed the following bugs: -- Removed an explicit call to exit(1) -- Fixed calls to GC_printf and GC_err_printf, so the correct number of - arguments are always supplied. The OS/2 C compiler gets confused if - the number of actuals and the number of formals differ. (ANSI C - doesn't require this to work. The ANSI sanctioned way of doing things - causes too many compatibility problems.) - - Version 3.0 added generational/incremental collection and stubborn - objects. - - Version 3.1 added the following features: -- A workaround for a SunOS 4.X SPARC C compiler - misfeature that caused problems when the collector was turned into - a dynamic library. -- A fix for a bug in GC_base that could result in a memory fault. -- A fix for a performance bug (and several other misfeatures) pointed - out by Dave Detlefs and Al Dosser. -- Use of dirty bit information for static data under Solaris 2.X. -- DEC Alpha/OSF1 support (thanks to Al Dosser). -- Incremental collection on more platforms. -- A more refined heap expansion policy. Less space usage by default. -- Various minor enhancements to reduce space usage, and to reduce - the amount of memory scanned by the collector. -- Uncollectable allocation without per object overhead. -- More conscientious handling of out-of-memory conditions. -- Fixed a bug in debugging stubborn allocation. -- Fixed a bug that resulted in occasional erroneous reporting of smashed - objects with debugging allocation. -- Fixed bogus leak reports of size 4096 blocks with FIND_LEAK. - - Version 3.2 fixed a serious and not entirely repeatable bug in - the incremental collector. It appeared only when dirty bit info - on the roots was available, which is normally only under Solaris. - It also added GC_general_register_disappearing_link, and some - testing code. Interface.c disappeared. - - Version 3.3 fixes several bugs and adds new ports: -- PCR-specific bugs. -- Missing locking in GC_free, redundant FASTUNLOCK - in GC_malloc_stubborn, and 2 bugs in - GC_unregister_disappearing_link. - All of the above were pointed out by Neil Sharman - (neil@cs.mu.oz.au). -- Common symbols allocated by the SunOS4.X dynamic loader - were not included in the root set. -- Bug in GC_finalize (reported by Brian Beuning and Al Dosser) -- Merged Amiga port from Jesper Peterson (untested) -- Merged NeXT port from Thomas Funke (significantly - modified and untested) - - Version 3.4: -- Fixed a performance bug in GC_realloc. -- Updated the amiga port. -- Added NetBSD and 386BSD ports. -- Added cord library. -- Added trivial performance enhancement for - ALL_INTERIOR_POINTERS. (Don't scan last word.) - - Version 3.5 -- Minor collections now mark from roots only once, if that - doesn't cause an excessive pause. -- The stack clearing heuristic was refined to prevent anomalies - with very heavily recursive programs and sparse stacks. -- Fixed a bug that prevented mark stack growth in some cases. - GC_objects_are_marked should be set to TRUE after a call - to GC_push_roots and as part of GC_push_marked, since - both can now set mark bits. I think this is only a performance - bug, but I wouldn't bet on it. It's certainly very hard to argue - that the old version was correct. -- Fixed an incremental collection bug that prevented it from - working at all when HBLKSIZE != getpagesize() -- Changed dynamic_loading.c to include gc_priv.h before testing - DYNAMIC_LOADING. SunOS dynamic library scanning - must have been broken in 3.4. -- Object size rounding now adapts to program behavior. -- Added a workaround (provided by Manuel Serrano and - colleagues) to a long-standing SunOS 4.X (and 3.X?) ld bug - that I had incorrectly assumed to have been squished. - The collector was broken if the text segment size was within - 32 bytes of a multiple of 8K bytes, and if the beginning of - the data segment contained interesting roots. The workaround - assumes a demand-loadable executable. The original may have - have "worked" in some other cases. -- Added dynamic library support under IRIX5. -- Added support for EMX under OS/2 (thanks to Ari Huttunen). - -Version 3.6: -- fixed a bug in the mark stack growth code that was introduced - in 3.4. -- fixed Makefile to work around DEC AXP compiler tail recursion - bug. - -Version 3.7: -- Added a workaround for an HP/UX compiler bug. -- Fixed another stack clearing performance bug. Reworked - that code once more. - -Version 4.0: -- Added support for Solaris threads (which was possible - only by reimplementing some fraction of Solaris threads, - since Sun doesn't currently make the thread debugging - interface available). -- Added non-threads win32 and win32S support. -- (Grudgingly, with suitable muttering of obscenities) renamed - files so that the collector distribution could live on a FAT - file system. Files that are guaranteed to be useless on - a PC still have long names. Gc_inline.h and gc_private.h - still exist, but now just include gc_inl.h and gc_priv.h. -- Fixed a really obscure bug in finalization that could cause - undetected mark stack overflows. (I would be surprised if - any real code ever tickled this one.) -- Changed finalization code to dynamically resize the hash - tables it maintains. (This probably does not matter for well- - -written code. It no doubt does for C++ code that overuses - destructors.) -- Added typed allocation primitives. Rewrote the marker to - accommodate them with more reasonable efficiency. This - change should also speed up marking for GC_malloc allocated - objects a little. See gc_typed.h for new primitives. -- Improved debugging facilities slightly. Allocation time - stack traces are now kept by default on SPARC/SUNOS4. - (Thanks to Scott Schwartz.) -- Added better support for small heap applications. -- Significantly extended cord package. Fixed a bug in the - implementation of lazily read files. Printf and friends now - have cord variants. Cord traversals are a bit faster. -- Made ALL_INTERIOR_POINTERS recognition the default. -- Fixed de so that it can run in constant space, independent - of file size. Added simple string searching to cords and de. -- Added the Hull-Ellis C++ interface. -- Added dynamic library support for OSF/1. - (Thanks to Al Dosser and Tim Bingham at DEC.) -- Changed argument to GC_expand_hp to be expressed - in units of bytes instead of heap blocks. (Necessary - since the heap block size now varies depending on - configuration. The old version was never very clean.) -- Added GC_get_heap_size(). The previous "equivalent" - was broken. -- Restructured the Makefile a bit. - -Since version 4.0: -- Changed finalization implementation to guarantee that - finalization procedures are called outside of the allocation - lock, making direct use of the interface a little less dangerous. - MAY BREAK EXISTING CLIENTS that assume finalizers - are protected by a lock. Since there seem to be few multithreaded - clients that use finalization, this is hopefully not much of - a problem. -- Fixed a gross bug in CORD_prev. -- Fixed a bug in blacklst.c that could result in unbounded - heap growth during startup on machines that do not clear - memory obtained from the OS (e.g. win32S). -- Ported de editor to win32/win32S. (This is now the only - version with a mouse-sensitive UI.) -- Added GC_malloc_ignore_off_page to allocate large arrays - in the presence of ALL_INTERIOR_POINTERS. -- Changed GC_call_with_alloc_lock to not disable signals in - the single-threaded case. -- Reduced retry count in GC_collect_or_expand for garbage - collecting when out of memory. -- Made uncollectable allocations bypass black-listing, as they - should. -- Fixed a bug in typed_test in test.c that could cause (legitimate) - GC crashes. -- Fixed some potential synchronization problems in finalize.c -- Fixed a real locking problem in typd_mlc.c. -- Worked around an AIX 3.2 compiler feature that results in - out of bounds memory references. -- Partially worked around an IRIX5.2 beta problem (which may - or may not persist to the final release). -- Fixed a bug in the heap integrity checking code that could - result in explicitly deallocated objects being identified as - smashed. Fixed a bug in the dbg_mlc stack saving code - that caused old argument pointers to be considered live. -- Fixed a bug in CORD_ncmp (and hence CORD_str). -- Repaired the OS2 port, which had suffered from bit rot - in 4.0. Worked around what appears to be CSet/2 V1.0 - optimizer bug. -- Fixed a Makefile bug for target "c++". - -Since version 4.1: -- Multiple bug fixes/workarounds in the Solaris threads version. - (It occasionally failed to locate some register contents for - marking. It also turns out that thr_suspend and friends are - unreliable in Solaris 2.3. Dirty bit reads appear - to be unreliable under some weird - circumstances. My stack marking code - contained a serious performance bug. The new code is - extremely defensive, and has not failed in several cpu - hours of testing. But no guarantees ...) -- Added MacOS support (thanks to Patrick Beard.) -- Fixed several syntactic bugs in gc_c++.h and friends. (These - didn't bother g++, but did bother most other compilers.) - Fixed gc_c++.h finalization interface. (It didn't.) -- 64 bit alignment for allocated objects was not guaranteed in a - few cases in which it should have been. -- Added GC_malloc_atomic_ignore_off_page. -- Added GC_collect_a_little. -- Added some prototypes to gc.h. -- Some other minor bug fixes (notably in Makefile). -- Fixed OS/2 / EMX port (thanks to Ari Huttunen). -- Fixed AmigaDOS port. (thanks to Michel Schinz). -- Fixed the DATASTART definition under Solaris. There - was a 1 in 16K chance of the collector missing the first - 64K of static data (and thus crashing). -- Fixed some blatant anachronisms in the README file. -- Fixed PCR-Makefile for upcoming PPCR release. - -Since version 4.2: -- Fixed SPARC alignment problem with GC_DEBUG. -- Fixed Solaris threads /proc workaround. The real - problem was an interaction with mprotect. -- Incorporated fix from Patrick Beard for gc_c++.h (now gc_cpp.h). -- Slightly improved allocator space utilization by - fixing the GC_size_map mechanism. -- Integrated some Sony News and MIPS RISCos 4.51 - patches. (Thanks to Nobuyuki Hikichi of - Software Research Associates, Inc. Japan) -- Fixed HP_PA alignment problem. (Thanks to - xjam@cork.cs.berkeley.edu.) -- Added GC_same_obj and friends. Changed GC_base - to return 0 for pointers past the end of large objects. - Improved GC_base performance with ALL_INTERIOR_POINTERS - on machines with a slow integer mod operation. - Added GC_PTR_ADD, GC_PTR_STORE, etc. to prepare - for preprocessor. -- changed the default on most UNIX machines to be that - signals are not disabled during critical GC operations. - This is still ANSI-conforming, though somewhat dangerous - in the presence of signal handlers. But the performance - cost of the alternative is sometimes problematic. - Can be changed back with a minor Makefile edit. -- renamed IS_STRING in gc.h, to CORD_IS_STRING, thus - following my own naming convention. Added the function - CORD_to_const_char_star. -- Fixed a gross bug in GC_finalize. Symptom: occasional - address faults in that function. (Thanks to Anselm - Baird-Smith (Anselm.BairdSmith@inria.fr) -- Added port to ICL DRS6000 running DRS/NX. Restructured - things a bit to factor out common code, and remove obsolete - code. Collector should now run under SUNOS5 with either - mprotect or /proc dirty bits. (Thanks to Douglas Steel - (doug@wg.icl.co.uk)). -- More bug fixes and workarounds for Solaris 2.X. (These were - mostly related to putting the collector in a dynamic library, - which didn't really work before. Also SOLARIS_THREADS - didn't interact well with dl_open.) Thanks to btlewis@eng.sun.com. -- Fixed a serious performance bug on the DEC Alpha. The text - segment was getting registered as part of the root set. - (Amazingly, the result was still fast enough that the bug - was not conspicuous.) The fix works on OSF/1, version 1.3. - Hopefully it also works on other versions of OSF/1 ... -- Fixed a bug in GC_clear_roots. -- Fixed a bug in GC_generic_malloc_words_small that broke - gc_inl.h. (Reported by Antoine de Maricourt. I broke it - in trying to tweak the Mac port.) -- Fixed some problems with cord/de under Linux. -- Fixed some cord problems, notably with CORD_riter4. -- Added DG/UX port. - Thanks to Ben A. Mesander (ben@piglet.cr.usgs.gov) -- Added finalization registration routines with weaker ordering - constraints. (This is necessary for C++ finalization with - multiple inheritance, since the compiler often adds self-cycles.) -- Filled the holes in the SCO port. (Thanks to Michael Arnoldus - .) -- John Ellis' additions to the C++ support: From John: - -* I completely rewrote the documentation in the interface gc_c++.h -(later renamed gc_cpp.h). I've tried to make it both clearer and more -precise. - -* The definition of accessibility now ignores pointers from an -finalizable object (an object with a clean-up function) to itself. -This allows objects with virtual base classes to be finalizable by the -collector. Compilers typically implement virtual base classes using -pointers from an object to itself, which under the old definition of -accessibility prevented objects with virtual base classes from ever -being collected or finalized. - -* gc_cleanup now includes gc as a virtual base. This was enabled by -the change in the definition of accessibility. - -* I added support for operator new[]. Since most (all?) compilers -don't yet support operator new[], it is conditionalized on --DOPERATOR_NEW_ARRAY. The code is untested, but its trivial and looks -correct. - -* The test program test_gc_c++ (later renamed test_cpp.cc) -tries to test for the C++-specific functionality not tested by the -other programs. -- Added include to misc.c. (Needed for ppcr.) -- Added PowerMac port. (Thanks to Patrick Beard again.) -- Fixed "srcdir"-related Makefile problems. Changed things so - that all externally visible include files always appear in the - include subdirectory of the source. Made gc.h directly - includable from C++ code. (These were at Per - Bothner's suggestion.) -- Changed Intel code to also mark from ebp (Kevin Warne's - suggestion). -- Renamed C++ related files so they could live in a FAT - file system. (Charles Fiterman's suggestion.) -- Changed Windows NT Makefile to include C++ support in - gc.lib. Added C++ test as Makefile target. - -Since version 4.3: - - ASM_CLEAR_CODE was erroneously defined for HP - PA machines, resulting in a compile error. - - Fixed OS/2 Makefile to create a library. (Thanks to - Mark Boulter (mboulter@vnet.ibm.com)). - - Gc_cleanup objects didn't work if they were created on - the stack. Fixed. - - One copy of Gc_cpp.h in the distribution was out of - synch, and failed to document some known compiler - problems with explicit destructor invocation. Partially - fixed. There are probably other compilers on which - gc_cleanup is miscompiled. - - Fixed Makefile to pass C compiler flags to C++ compiler. - - Added Mac fixes. - - Fixed os_dep.c to work around what appears to be - a new and different VirtualQuery bug under newer - versions of win32S. - - GC_non_gc_bytes was not correctly maintained by - GC_free. Fixed. Thanks to James Clark (jjc@jclark.com). - - Added GC_set_max_heap_size. - - Changed allocation code to ignore blacklisting if it is preventing - use of a very large block of memory. This has the advantage - that naive code allocating very large objects is much more - likely to work. The downside is you might no - longer find out that such code should really use - GC_malloc_ignore_off_page. - - Changed GC_printf under win32 to close and reopen the file - between calls. FAT file systems otherwise make the log file - useless for debugging. - - Added GC_try_to_collect and GC_get_bytes_since_gc. These - allow starting an abortable collection during idle times. - This facility does not require special OS support. (Thanks to - Michael Spertus of Geodesic Systems for suggesting this. It was - actually an easy addition. Kumar Srikantan previously added a similar - facility to a now ancient version of the collector. At the time - this was much harder, and the result was less convincing.) - - Added some support for the Borland development environment. (Thanks - to John Ellis and Michael Spertus.) - - Removed a misfeature from checksums.c that caused unexpected - heap growth. (Thanks to Scott Schwartz.) - - Changed finalize.c to call WARN if it encounters a finalization cycle. - WARN is defined in gc_priv.h to write a message, usually to stdout. - In many environments, this may be inappropriate. - - Renamed NO_PARAMS in gc.h to GC_NO_PARAMS, thus adhering to my own - naming convention. - - Added GC_set_warn_proc to intercept warnings. - - Fixed Amiga port. (Thanks to Michel Schinz (schinz@alphanet.ch).) - - Fixed a bug in mark.c that could result in an access to unmapped - memory from GC_mark_from_mark_stack on machines with unaligned - pointers. - - Fixed a win32 specific performance bug that could result in scanning of - objects allocated with the system malloc. - - Added REDIRECT_MALLOC. - -Since version 4.4: - - Fixed many minor and one major README bugs. (Thanks to Franklin Chen - (chen@adi.com) for pointing out many of them.) - - Fixed ALPHA/OSF/1 dynamic library support. (Thanks to Jonathan Bachrach - (jonathan@harlequin.com)). - - Added incremental GC support (MPROTECT_VDB) for Linux (with some - help from Bruno Haible). - - Altered SPARC recognition tests in gc.h and config.h (mostly as - suggested by Fergus Henderson). - - Added basic incremental GC support for win32, as implemented by - Windows NT and Windows 95. GC_enable_incremental is a noop - under win32s, which doesn't implement enough of the VM interface. - - Added -DLARGE_CONFIG. - - Fixed GC_..._ignore_off_page to also function without - -DALL_INTERIOR_POINTERS. - - (Hopefully) fixed RS/6000 port. (Only the test was broken.) - - Fixed a performance bug in the nonincremental collector running - on machines supporting incremental collection with MPROTECT_VDB - (e.g. SunOS 4, DEC AXP). This turned into a correctness bug under - win32s with win32 incremental collection. (Not all memory protection - was disabled.) - - Fixed some ppcr related bit rot. - - Caused dynamic libraries to be unregistered before reregistering. - The old way turned out to be a performance bug on some machines. - - GC_root_size was not properly maintained under MSWIN32. - - Added -DNO_DEBUGGING and GC_dump. - - Fixed a couple of bugs arising with SOLARIS_THREADS + - REDIRECT_MALLOC. - - Added NetBSD/M68K port. (Thanks to Peter Seebach - .) - - Fixed a serious realloc bug. For certain object sizes, the collector - wouldn't scan the expanded part of the object. (Thanks to Clay Spence - (cds@peanut.sarnoff.com) for noticing the problem, and helping me to - track it down.) - -Since version 4.5: - - Added Linux ELF support. (Thanks to Arrigo Triulzi .) - - GC_base crashed if it was called before any other GC_ routines. - This could happen if a gc_cleanup object was allocated outside the heap - before any heap allocation. - - The heap expansion heuristic was not stable if all objects had finalization - enabled. Fixed finalize.c to count memory in finalization queue and - avoid explicit deallocation. Changed alloc.c to also consider this count. - (This is still not recommended. It's expensive if nothing else.) Thanks - to John Ellis for pointing this out. - - GC_malloc_uncollectable(0) was broken. Thanks to Phong Vo for pointing - this out. - - The collector didn't compile under Linux 1.3.X. (Thanks to Fred Gilham for - pointing this out.) The current workaround is ugly, but expected to be - temporary. - - Fixed a formatting problem for SPARC stack traces. - - Fixed some '=='s in os_dep.c that should have been assignments. - Fortunately these were in code that should never be executed anyway. - (Thanks to Fergus Henderson.) - - Fixed the heap block allocator to only drop blacklisted blocks in small - chunks. Made BL_LIMIT self adjusting. (Both of these were in response - to heap growth observed by Paul Graham.) - - Fixed the Metrowerks/68K Mac code to also mark from a6. (Thanks - to Patrick Beard.) - - Significantly updated README.debugging. - - Fixed some problems with longjmps out of signal handlers, especially under - Solaris. Added a workaround for the fact that siglongjmp doesn't appear to - do the right thing with -lthread under Solaris. - - Added MSDOS/djgpp port. (Thanks to Mitch Harris (maharri@uiuc.edu).) - - Added "make reserved_namespace" and "make user_namespace". The - first renames ALL "GC_xxx" identifiers as "_GC_xxx". The second is the - inverse transformation. Note that doing this is guaranteed to break all - clients written for the other names. - - descriptor field for kind NORMAL in GC_obj_kinds with ADD_BYTE_AT_END - defined should be -ALIGNMENT not WORDS_TO_BYTES(-1). This is - a serious bug on machines with pointer alignment of less than a word. - - GC_ignore_self_finalize_mark_proc didn't handle pointers to very near the - end of the object correctly. Caused failures of the C++ test on a DEC Alpha - with g++. - - gc_inl.h still had problems. Partially fixed. Added warnings at the - beginning to hopefully specify the remaining dangers. - - Added DATAEND definition to config.h. - - Fixed some of the .h file organization. Fixed "make floppy". - -Since version 4.6: - - Fixed some compilation problems with -DCHECKSUMS (thanks to Ian Searle) - - Updated some Mac specific files to synchronize with Patrick Beard. - - Fixed a serious bug for machines with non-word-aligned pointers. - (Thanks to Patrick Beard for pointing out the problem. The collector - should fail almost any conceivable test immediately on such machines.) - -Since version 4.7: - - Changed a "comment" in a MacOS specific part of mach-dep.c that caused - gcc to fail on other platforms. - -Since version 4.8 - - More README.debugging fixes. - - Objects ready for finalization, but not finalized in the same GC - cycle, could be prematurely collected. This occasionally happened - in test_cpp. - - Too little memory was obtained from the system for very large - objects. That could cause a heap explosion if these objects were - not contiguous (e.g. under PCR), and too much of them was blacklisted. - - Due to an improper initialization, the collector was too hesitant to - allocate blacklisted objects immediately after system startup. - - Moved GC_arrays from the data into the bss segment by not explicitly - initializing it to zero. This significantly - reduces the size of executables, and probably avoids some disk accesses - on program startup. It's conceivable that it might break a port that I - didn't test. - - Fixed EMX_MAKEFILE to reflect the gc_c++.h to gc_cpp.h renaming which - occurred a while ago. - -Since 4.9: - - Fixed a typo around a call to GC_collect_or_expand in alloc.c. It broke - handling of out of memory. (Thanks to Patrick Beard for noticing.) - -Since 4.10: - - Rationalized (hopefully) GC_try_to_collect in an incremental collection - environment. It appeared to not handle a call while a collection was in - progress, and was otherwise too conservative. - - Merged GC_reclaim_or_delete_all into GC_reclaim_all to get rid of some - code. - - Added Patrick Beard's Mac fixes, with substantial completely untested - modifications. - - Fixed the MPROTECT_VDB code to deal with large pages and imprecise - fault addresses (as on an UltraSPARC running Solaris 2.5). Note that this - was not a problem in the default configuration, which uses PROC_VDB. - - The DEC Alpha assembly code needed to restore $gp between calls. - Thanks to Fergus Henderson for tracking this down and supplying a - patch. - - The write command for "de" was completely broken for large files. - I used the easiest portable fix, which involved changing the semantics - so that f.new is written instead of overwriting f. That's safer anyway. - - Added README.solaris2 with a discussion of the possible problems of - mixing the collector's sbrk allocation with malloc/realloc. - - Changed the data segment starting address for SGI machines. The - old code failed under IRIX6. - - Required double word alignment for MIPS. - - Various minor fixes to remove warnings. - - Attempted to fix some Solaris threads problems reported by Zhiying Chen. - In particular, the collector could try to fork a thread with the - world stopped as part of GC_thr_init. It also failed to deal with - the case in which the original thread terminated before the whole - process did. - - Added -DNO_EXECUTE_PERMISSION. This has a major performance impact - on the incremental collector under Irix, and perhaps under other - operating systems. - - Added some code to support allocating the heap with mmap. This may - be preferable under some circumstances. - - Integrated dynamic library support for HP. - (Thanks to Knut Tvedten .) - - Integrated James Clark's win32 threads support, and made a number - of changes to it, many of which were suggested by Pontus Rydin. - This is still not 100% solid. - - Integrated Alistair Crooks' support for UTS4 running on an Amdahl - 370-class machine. - - Fixed a serious bug in explicitly typed allocation. Objects requiring - large descriptors where handled in a way that usually resulted in - a segmentation fault in the marker. (Thanks to Jeremy Fitzhardinge - for helping to track this down.) - - Added partial support for GNU win32 development. (Thanks to Fergus - Henderson.) - - Added optional support for Java-style finalization semantics. (Thanks - to Patrick Bridges.) This is recommended only for Java implementations. - - GC_malloc_uncollectable faulted instead of returning 0 when out of - memory. (Thanks to dan@math.uiuc.edu for noticing.) - - Calls to GC_base before the collector was initialized failed on a - DEC Alpha. (Thanks to Matthew Flatt.) - - Added base pointer checking to GC_REGISTER_FINALIZER in debugging - mode, at the suggestion of Jeremy Fitzhardinge. - - GC_debug_realloc failed for uncollectable objects. (Thanks to - Jeremy Fitzhardinge.) - - Explicitly typed allocation could crash if it ran out of memory. - (Thanks to Jeremy Fitzhardinge.) - - Added minimal support for a DEC Alpha running Linux. - - Fixed a problem with allocation of objects whose size overflowed - ptrdiff_t. (This now fails unconditionally, as it should.) - - Added the beginning of Irix pthread support. - - Integrated Xiaokun Zhu's fixes for djgpp 2.01. - - Added SGI-style STL allocator support (gc_alloc.h). - - Fixed a serious bug in README.solaris2. Multithreaded programs must include - gc.h with SOLARIS_THREADS defined. - - Changed GC_free so it actually deallocates uncollectable objects. - (Thanks to Peter Chubb for pointing out the problem.) - - Added Linux ELF support for dynamic libararies. (Thanks again to - Patrick Bridges.) - - Changed the Borland cc configuration so that the assembler is not - required. - - Fixed a bug in the C++ test that caused it to fail in 64-bit - environments. - -Since 4.11: - - Fixed ElfW definition in dyn_load.c. (Thanks to Fergus Henderson.) - This prevented the dynamic library support from compiling on some - older ELF Linux systems. - - Fixed UTS4 port (which I apparently mangled during the integration) - (Thanks to again to Alistair Crooks.) - - "Make C++" failed on Suns with SC4.0, due to a problem with "bool". - Fixed in gc_priv.h. - - Added more pieces for GNU win32. (Thanks to Timothy N. Newsham.) - The current state of things should suffice for at least some - applications. - - Changed the out of memory retry count handling as suggested by - Kenjiro Taura. (This matters only if GC_max_retries > 0, which - is no longer the default.) - - If a /proc read failed repeatedly, GC_written_pages was not updated - correctly. (Thanks to Peter Chubb for diagnosing this.) - - Under unlikely circumstances, the allocator could infinite loop in - an out of memory situation. (Thanks again to Kenjiro Taura for - identifying the problem and supplying a fix.) - - Fixed a syntactic error in the DJGPP code. (Thanks to Fergus - Henderson for finding this by inspection.) Also fixed a test program - problem with DJGPP (Thanks to Peter Monks.) - - Atomic uncollectable objects were not treated correctly by the - incremental collector. This resulted in weird log statistics and - occasional performance problems. (Thanks to Peter Chubb for pointing - this out.) - - Fixed some problems resulting from compilers that dont define - __STDC__. In this case void * and char * were used inconsistently - in some cases. (Void * should not have been used at all. If - you have an ANSI superset compiler that does not define __STDC__, - please compile with -D__STDC__=0. Thanks to Manuel Serrano and others - for pointing out the problem.) - - Fixed a compilation problem on Irix with -n32 and -DIRIX_THREADS. - Also fixed some other IRIX_THREADS problems which may or may not have - had observable symptoms. - - Fixed an HP PA compilation problem in dyn_load.c. (Thanks to - Philippe Queinnec.) - - SEGV fault handlers sometimes did not get reset correctly. (Thanks - to David Pickens.) - - Added a fix for SOLARIS_THREADS on Intel. (Thanks again to David - Pickens.) This probably needs more work to become functional. - - Fixed struct sigcontext_struct in os_dep.c for compilation under - Linux 2.1.X. (Thanks to Fergus Henderson.) - - Changed the DJGPP STACKBOTTOM and DATASTART values to those suggested - by Kristian Kristensen. These may still not be right, but it is - it is likely to work more often than what was there before. They may - even be exactly right. - - Added a #include to test_cpp.cc. This appears to help - with HP/UX and gcc. (Thanks to assar@sics.se.) - - Version 4.11 failed to run in incremental mode on recent 64-bit Irix - kernels. This was a problem related to page unaligned heap segments. - Changed the code to page align heap sections on all platforms. - (I had mistakenly identified this as a kernel problem earlier. - It was not.) - - Version 4.11 did not make allocated storage executable, except on - one or two platforms, due to a bug in a #if test. (Thanks to Dave - Grove for pointing this out.) - - Added sparc_sunos4_mach_dep.s to support Sun's compilers under SunOS4. - - Added GC_exclude_static_roots. - - Fixed the object size mapping algorithm. This shouldn't matter, - but the old code was ugly. - - Heap checking code could die if one of the allocated objects was - larger than its base address. (Unsigned underflow problem. Thanks - to Clay Spence for isolating the problem.) - - Added RS6000 (AIX) dynamic library support and fixed STACK_BOTTOM. - (Thanks to Fred Stearns.) - - Added Fergus Henderson's patches for improved robustness with large - heaps and lots of blacklisting. - - Added Peter Chubb's changes to support Solaris Pthreads, to support - MMAP allocation in Solaris, to allow Solaris to find dynamic libraries - through /proc, to add malloc_typed_ignore_off_page, and a few other - minor features and bug fixes. - - The Solaris 2 port should not use sbrk. I received confirmation from - Sun that the use of sbrk and malloc in the same program is not - supported. The collector now defines USE_MMAP by default on Solaris. - - Replaced the djgpp makefile with Gary Leavens' version. - - Fixed MSWIN32 detection test. - - Added Fergus Henderson's patches to allow putting the collector into - a DLL under GNU win32. - - Added Ivan V. Demakov's port to Watcom C on X86. - - Added Ian Piumarta's Linux/PowerPC port. - - On Brian Burton's suggestion added PointerFreeGC to the placement - options in gc_cpp.h. This is of course unsafe, and may be controversial. - On the other hand, it seems to be needed often enough that it's worth - adding as a standard facility. - -Since 4.12: - - Fixed a crucial bug in the Watcom port. There was a redundant decl - of GC_push_one in gc_priv.h. - - Added FINALIZE_ON_DEMAND. - - Fixed some pre-ANSI cc problems in test.c. - - Removed getpagesize() use for Solaris. It seems to be missing in one - or two versions. - - Fixed bool handling for SPARCCompiler version 4.2. - - Fixed some files in include that had gotten unlinked from the main - copy. - - Some RS/6000 fixes (missing casts). Thanks to Toralf Foerster. - - Fixed several problems in GC_debug_realloc, affecting mostly the - FIND_LEAK case. - - GC_exclude_static_roots contained a buggy unsigned comparison to - terminate a loop. (Thanks to Wilson Ho.) - - CORD_str failed if the substring occurred at the last possible position. - (Only affects cord users.) - - Fixed Linux code to deal with RedHat 5.0 and integrated Peter Bigot's - os_dep.c code for dealing with various Linux versions. - - Added workaround for Irix pthreads sigaction bug and possible signal - misdirection problems. -Since alpha1: - - Changed RS6000 STACKBOTTOM. - - Integrated Patrick Beard's Mac changes. - - Alpha1 didn't compile on Irix m.n, m < 6. - - Replaced Makefile.dj with a new one from Gary Leavens. - - Added Andrew Stitcher's changes to support SCO OpenServer. - - Added PRINT_BLACK_LIST, to allow debugging of high densities of false - pointers. - - Added code to debug allocator to keep track of return address - in GC_malloc caller, thus giving a bit more context. - - Changed default behavior of large block allocator to more - aggressively avoid fragmentation. This is likely to slow down the - collector when it succeeds at reducing space cost. - - Integrated Fergus Henderson's CYGWIN32 changes. They are untested, - but needed for newer versions. - - USE_MMAP had some serious bugs. This caused the collector to fail - consistently on Solaris with -DSMALL_CONFIG. - - Added Linux threads support, thanks largely to Fergus Henderson. -Since alpha2: - - Fixed more Linux threads problems. - - Changed default GC_free_space_divisor to 3 with new large block allocation. - (Thanks to Matthew Flatt for some measurements that suggest the old - value sometimes favors space too much over time.) - - More CYGWIN32 fixes. - - Integrated Tyson-Dowd's Linux-M68K port. - - Minor HP PA and DEC UNIX fixes from Fergus Henderson. - - Integrated Christoffe Raffali's Linux-SPARC changes. - - Allowed for one more GC fixup iteration after a full GC in incremental - mode. Some quick measurements suggested that this significantly - reduces pause times even with smaller GC_RATE values. - - Moved some more GC data structures into GC_arrays. This decreases - pause times and GC overhead, but makes debugging slightly less convenient. - - Fixed namespace pollution problem ("excl_table"). - - Made GC_incremental a constant for -DSMALL_CONFIG, hopefully shrinking - that slightly. - - Added some win32 threads fixes. - - Integrated Ivan Demakov and David Stes' Watcom fixes. - - Various other minor fixes contributed by many people. - - Renamed config.h to gcconfig.h, since config.h tends to be used for - many other things. - - Integrated Matthew Flatt's support for 68K MacOS "far globals". - - Fixed up some of the dynamic library Makefile targets for consistency - across platforms. - - Fixed a USE_MMAP typo that caused out-of-memory handling to fail - on Solaris. - - Added code to test.c to test thread creation a bit more. - - Integrated GC_win32_free_heap, as suggested by Ivan Demakov. - - Fixed Solaris 2.7 stack base finding problem. (This may actually - have been done in an earlier alpha release.) -Since alpha3: - - Fixed MSWIN32 recognition test, which interfered with cygwin. - - Removed unnecessary gc_watcom.asm from distribution. Removed - some obsolete README.win32 text. - - Added Alpha Linux incremental GC support. (Thanks to Philipp Tomsich - for code for retrieving the fault address in a signal handler.) - Changed Linux signal handler context argument to be a pointer. - - Took care of some new warnings generated by the 7.3 SGI compiler. - - Integrated Phillip Musumeci's FreeBSD/ELF fixes. - - -DIRIX_THREADS was broken with the -o32 ABI (typo in gc_priv.h> - -Since 4.13: - - Fixed GC_print_source_ptr to not use a prototype. - - generalized CYGWIN test. - - gc::new did the wrong thing with PointerFreeGC placement. - (Thanks to Rauli Ruohonen.) - - In the ALL_INTERIOR_POINTERS (default) case, some callee-save register - values could fail to be scanned if the register was saved and - reused in a GC frame. This showed up in verbose mode with gctest - compiled with an unreleased SGI compiler. I vaguely recall an old - bug report that may have been related. The bug was probably quite old. - (The problem was that the stack scanning could be deferred until - after the relevant frame was overwritten, and the new save location - might be outside the scanned area. Fixed by more eager stack scanning.) - - PRINT_BLACK_LIST had some problems. A few source addresses were garbage. - - Replaced Makefile.dj and added -I flags to cord make targets. - (Thanks to Gary Leavens.) - - GC_try_to_collect was broken with the nonincremental collector. - - gc_cleanup destructors could pass the wrong address to - GC_register_finalizer_ignore_self in the presence of multiple - inheritance. (Thanks to Darrell Schiebel.) - - Changed PowerPC Linux stack finding code. - -Since 4.14alpha1 - - -DSMALL_CONFIG did not work reliably with large (> 4K) pages. - Recycling the mark stack during expansion could result in a size - zero heap segment, which confused things. (This was probably also an - issue with the normal config and huge pages.) - - Did more work to make sure that callee-save registers were scanned - completely, even with the setjmp-based code. Added USE_GENERIC_PUSH_REGS - macro to facilitate testing on machines I have access to. - - Added code to explicitly push register contents for win32 threads. - This seems to be necessary. (Thanks to Pierre de Rop.) - -Since 4.14alpha2 - - changed STACKBOTTOM for DJGPP (Thanks to Salvador Eduardo Tropea). - -Since 4.14 - - Reworked large block allocator. Now uses multiple doubly linked free - lists to approximate best fit. - - Changed heap expansion heuristic. Entirely free blocks are no longer - counted towards the heap size. This seems to have a major impact on - heap size stability; the old version could expand the heap way too - much in the presence of large block fragmentation. - - added -DGC_ASSERTIONS and some simple assertions inside the collector. - This is mainlyt for collector debugging. - - added -DUSE_MUNMAP to allow the heap to shrink. Suupported on only - a few UNIX-like platforms for now. - - added GC_dump_regions() for debugging of fragmentation issues. - - Changed PowerPC pointer alignment under Linux to 4. (This needs - checking by someone who has one. The suggestions came to me via a - rather circuitous path.) - - Changed the Linux/Alpha port to walk the data segment backwards until - it encounters a SIGSEGV. The old way to find the start of the data - segment broke with a recent release. - - cordxtra.c needed to call GC_REGISTER_FINALIZER instead of - GC_register_finalizer, so that it would continue to work with GC_DEBUG. - - allochblk sometimes cleared the wrong block for debugging purposes - when it dropped blacklisted blocks. This could result in spurious - error reports with GC_DEBUG. - - added MACOS X Server support. (Thanks to Andrew Stone.) - - Changed the Solaris threads code to ignore stack limits > 8 MB with - a warning. Empirically, it is not safe to access arbitrary pages - in such large stacks. And the dirty bit implementation does not - guarantee that none of them will be accessed. - - Integrated Martin Tauchmann's Amiga changes. - - Integrated James Dominy's OpenBSD/SPARC port. - -Since 5.0alpha1 - - Fixed bugs introduced in alpha1 (OpenBSD & large block initialization). - - Added -DKEEP_BACK_PTRS and backptr.h interface. (The implementation - idea came from Al Demers.) - -Since 5.0alpha2 - - Added some highly incomplete code to support a copied young generation. - Comments on nursery.h are appreciated. - - Changed -DFIND_LEAK, -DJAVA_FINALIZATION, and -DFINALIZE_ON_DEMAND, - so the same effect could be obtained with a runtime switch. This is - a step towards standardizing on a single dynamic GC library. - - Significantly changed the way leak detection is handled, as a consequence - of the above. - -Since 5.0 alpha3 - - Added protection fault handling patch for Linux/M68K from Fergus - Henderson and Roman Hodek. - - Removed the tests for SGI_SOURCE in new_gc_alloc.h. This was causing that - interface to fail on nonSGI platforms. - - Changed the Linux stack finding code to use /proc, after changing it - to use HEURISTIC1. (Thanks to David Mossberger for pointing out the - /proc hook.) - - Added HP/UX incremental GC support and HP/UX 11 thread support. - Thread support is currently still flakey. - - Added basic Linux/IA64 support. - - Integrated Anthony Green's PicoJava support. - - Integrated Scott Ananian's StrongARM/NetBSD support. - - Fixed some fairly serious performance bugs in the incremental - collector. These have probably been there essentially forever. - (Mark bits were sometimes set before scanning dirty pages. - The reclaim phase unnecessarily dirtied full small object pages.) - - Changed the reclaim phase to ignore nearly full pages to avoid - touching them. - - Limited GC_black_list_spacing to roughly the heap growth increment. - - Changed full collection triggering heuristic to decrease full GC - frequency by default, but to explicitly trigger full GCs during - heap growth. This doesn't always improve things, but on average it's - probably a win. - - GC_debug_free(0, ...) failed. Thanks to Fergus Henderson for the - bug report and fix. - -Since 5.0 alpha4 - - GC_malloc_explicitly_typed and friends sometimes failed to - initialize first word. - - Added allocation routines and support in the marker for mark descriptors - in a type structure referenced by the first word of an object. This was - introduced to support gcj, but hopefully in a way that makes it - generically useful. - - Added GC_requested_heapsize, and inhibited collections in nonincremental - mode if the actual used heap size is less than what was explicitly - requested. - - The Solaris pthreads version of GC_pthread_create didn't handle a NULL - attribute pointer. Solaris thread support used the wrong default thread - stack size. (Thanks to Melissa O'Neill for the patch.) - - Changed PUSH_CONTENTS macro to no longer modify first parameter. - This usually doesn't matter, but it was certainly an accident waiting - to happen ... - - Added GC_register_finalizer_no_order and friends to gc.h. They're - needed by Java implementations. - - Integrated a fix for a win32 deadlock resulting from clock() calling - malloc. (Thanks to Chris Dodd.) - - Integrated Hiroshi Kawashima's port to Linux/MIPS. This was designed - for a handheld platform, and may or may not be sufficient for other - machines. - - Fixed a va_arg problem with the %c specifier in cordprnt.c. It appears - that this was always broken, but recent versions of gcc are the first to - report the (statically detectable) bug. - - Added an attempt at a more general solution to dlopen races/deadlocks. - GC_dlopen now temporarily disables collection. Still not ideal, but ... - - Added -DUSE_I686_PREFETCH, -DUSE_3DNOW_PREFETCH, and support for IA64 - prefetch instructions. May improve performance measurably, but I'm not - sure the code will run correctly on processors that don't support the - instruction. Won't build except with very recent gcc. - - Added caching for header lookups in the marker. This seems to result - in a barely measurable performance gain. Added support for interleaved - lookups of two pointers, but unconfigured that since the performance - gain is currently near zero, and it adds to code size. - - Changed Linux DATA_START definition to check both data_start and - __data_start, since nothing else seems to be portable. - - Added -DUSE_LD_WRAP to optionally take advantage of the GNU ld function - wrapping mechanism. Probably currently useful only on Linux. - - Moved some variables for the scratch allocator into GC_arrays, on - Martin Hirzel's suggestion. - - Fixed a win32 threads bug that caused the collector to not look for - interior pointers from one of the thread stacks without - ALL_INTERIOR_POINTERS. (Thanks to Jeff Sturm.) - - Added Mingw32 support. (Thanks again to Jeff Sturm for the patch.) - - Changed the alpha port to use the generic register scanning code instead - of alpha_mach_dep.s. Alpha_mach_dep.s doesn't look for pointers in fp - registers, but gcc sometimes spills pointers there. (Thanks to Manuel - Serrano for helping me debug this by email.) Changed the IA64 code to - do something similar for similar reasons. - -[5.0alpha5 doesn't really exist, but it may have escaped.] - -Since 5.0alpha6: - - -DREDIRECT_MALLOC was broken in alpha6. Fixed. - - Cleaned up gc_ccp.h slightly, thus also causing the HP C++ compiler to - accept it. - - Removed accidental reference to dbg_mlc.c, which caused dbg_mlc.o to be - linked into every executable. - - Added PREFETCH to bitmap marker. Changed it to use the header cache. - - GC_push_marked sometimes pushed one object too many, resulting in a - segmentation fault in GC_mark_from_mark_stack. This was probably an old - bug. It finally showed up in gctest on win32. - - Gc_priv.h erroneously #defined GC_incremental to be TRUE instead of FALSE - when SMALL_CONFIG was defined. This was no doubt a major performance bug for - the default win32 configuration. - - Removed -DSMALL_CONFIG from NT_MAKEFILE. It seemed like an anchronism now - that the average PC has 64MB or so. - - Integrated Bryce McKinley's patches for linux threads and dynamic loading - from the libgcj tree. Turned on dynamic loading support for Linux/PPC. - - Changed the stack finding code to use environ on HP/UX. (Thanks - to Gustavo Rodriguez-Rivera for the suggestion.) This should probably - be done on other platforms, too. Since I can't test those, that'll - wait until after 5.0. - -Since 5.0alpha7: - - Fixed threadlibs.c for linux threads. -DUSE_LD_WRAP was broken and - -ldl was omitted. Fixed Linux stack finding code to handle - -DUSE_LD_WRAP correctly. - - Added MSWIN32 exception handler around marker, so that the collector - can recover from root segments that are unmapped during the collection. - This caused occasional failures under Windows 98, and may also be - an issue under Windows NT/2000. - -Since 5.0 - - Fixed a gc.h header bug which showed up under Irix. (Thanks to - Dan Sullivan.) - - Fixed a typo in GC_double_descr in typd_mlc.c. - This probably could result in objects described by array descriptors not - getting traced correctly. (Thanks to Ben Hutchings for pointing this out.) - - The block nearly full tests in reclaim.c were not correct for 64 bit - environments. This could result in unnecessary heap growth under unlikely - conditions. - -Since 5.1 - - dyn_load.c declared GC_scratch_last_end_ptr as an extern even if it - was defined as a macro. This prevented the collector from building on - Irix. - - We quietly assumed that indirect mark descriptors were never 0. - Our own typed allocation interface violated that. This could result - in segmentation faults in the marker with typed allocation. - - Fixed a _DUSE_MUNMAP bug in the heap block allocation code. - (Thanks to Ben Hutchings for the patch.) - - Taught the collector about VC++ handling array operator new. - (Thanks again to Ben Hutchings for the patch.) - - The two copies of gc_hdrs.h had diverged. Made one a link to the other - again. - -Since 5.2 (A few 5.2 patches are not in 6.0alpha1) - - Fixed _end declaration for OSF1. - - There were lots of spurious leak reports in leak detection mode, caused - by the fact that some pages were not being swept, and hence unmarked - objects weren't making it onto free lists. (This bug dated back to 5.0.) - - Fixed a typo in the liblinuxgc.so Makefile rule. - - Added the GetExitCodeThread to Win32 GC_stop_world to (mostly) work - around a Windows 95 GetOpenFileName problem. (Thanks to Jacob Navia.) - -Since 5.3 - - Fixed a typo that prevented compilation with -DUSE_3DNOW_PREFETCH. - (Thanks to Shawn Wagner for actually testing this.) - - Fixed GC_is_thread_stack in solaris_threads.c. It forgot to return a value - in the common case. I wonder why nobody noticed? - - Fixed another silly syntax problem in GC_double_descr. (Thanks to - Fergus Henderson for finding it.) - - Fixed a GC_gcj_malloc bug: It tended to release the allocator lock twice. - -Since 5.4 (A few 5.3 patches are not in 6.0alpha2) - - Added HP/PA prefetch support. - - Added -DDBG_HDRS_ALL and -DSHORT_DBG_HDRS to reduce the cost and improve - the reliability of generating pointer backtrace information, e.g. in - the Bigloo environment. - - Added parallel marking support (-DPARALLEL_MARK). This currently - works only under IA32 and IA64 Linux, but it shouldn't be hard to adapt - to other platforms. This is intended to be a lighter-weight (less - new code, probably not as scalable) solution than the work by Toshio Endo - et al, at the University of Tokyo. A number of their ideas were - reused, though the code wasn't, and the underlying data structure - is significantly different. In particular, we keep the global mark - stack as a single shared data structure, but most of the work is done - on smaller thread-local mark stacks. - - Changed GC_malloc_many to be cheaper, and to require less mutual exclusion - with -DPARALLEL_MARK. - - Added full support for thread local allocation under Linux - (-DTHREAD_LOCAL_ALLOC). This is a thin veneer on GC_malloc_many, and - should be easily portable to other platforms, especially those that - support pthreads. - - CLEAR_DOUBLE was not always getting invoked when it should have been. - - GC_gcj_malloc and friends used different out of memory handling than - everything else, probably because I forgot about one when I implemented - the other. They now both call GC_oom_fn(), not GC_oom_action(). - - Integrated Jakub Jelinek's fixes for Linux/SPARC. - - Moved GC_objfreelist, GC_aobjfreelist, and GC_words_allocd out of - GC_arrays, and separately registered the first two as excluded roots. - This makes code compiled with gc_inl.h less dependent on the - collector version. (It would be nice to remove the inclusion of - gc_priv.h by gc_inl.h completely, but we're not there yet. The - locking definitions in gc_priv.h are still referenced.) - This change was later coniditoned on SEPARATE_GLOBALS, which - is not defined by default, since it involves a performance hit. - - Register GC_obj_kinds separately as an excluded root region. The - attempt to register it with GC_arrays was usually failing. (This wasn't - serious, but seemed to generate some confusion.) - - Moved backptr.h to gc_backptr.h. - -Since 6.0alpha1 - - Added USE_MARK_BYTES to reduce the need for compare-and-swap on platforms - for which that's expensive. - - Fixed a locking bug ib GC_gcj_malloc and some locking assertion problems. - - Added a missing volatile to OR_WORD and renamed the parameter to - GC_compare_and_swap so it's not a C++ reserved word. (Thanks to - Toshio Endo for pointing out both of those.) - - Changed Linux dynamic library registration code to look at /proc/self/maps - instead of the rld data structures when REDIRECT_MALLOC is defined. - Otherwise some of the rld data data structures may be prematurely garbage - collected. (Thanks to Eric Benson for helping to track this down.) - - Fixed USE_LD_WRAP a bit more, so it should now work without threads. - - Renamed XXX_THREADS macros to GC_XXX_THREADS for namespace correctness. - Tomporarily added some backward compatibility definitions. Renamed - USE_LD_WRAP to GC_USE_LD_WRAP. - - Many MACOSX POWERPC changes, some additions to the gctest output, and - a few minor generic bug fixes. (Thanks to Dietmar Planitzer.) - -Since 6.0 alpha2 - - Fixed the /proc/self/maps code to not seek, since that apparently is not - reliable across all interesting kernels. - - Fixed some compilation problems in the absence of PARALLEL_MARK - (introduced in alpha2). - - Fixed an algorithmic problem with PARALLEL_MARK. If work needs to - be given back to the main mark "stack", the BOTTOM entries of the local - stack should be given away, not the top ones. This has substantial - performance impact, especially for > 2 processors, from what I can tell. - - Extracted gc_lock.h from gc_priv.h. This should eventually make it a - bit easier to avoid including gc_priv.h in clients. - - Moved all include files to include/ and removed duplicate links to the - same file. The old scheme was a bad idea because it was too easy to get the - copies out of sync, and many systems don't support hard links. - Unfortunately, it's likely that I broke some of the non-Unix Makefiles in - the process, although I tried to update them appropriately. - - Removed the partial support for a copied nursery. It's not clear that - this would be a tremendous win, since we don't consistently lose to - generational copying collectors. And it would significantly complicate - many things. May be reintroduced if/when it really turns out to win. - - Removed references to IRIX_JDK_THREADS, since I believe there never - were and never will be any clients. - - Added some code to linux_threads.c to possibly support HPUX threads - using the Linux code. Unfortunately, it doesn't work yet, and is - currently disabled. - - Added support under Linux/X86 for saving the call chain, both in (debug) - objects for client debugging, and in GC_arrays._last_stack for GC - debugging. This was previously supported only under Solaris. It is - not enabled by default under X86, since it requires that code be compiled - to explicitly dave frame pointers on the call stack. (With gcc this - currently happens by default, but is often turned off explicitly.) - To turn it on, define SAVE_CALL_CHAIN. - -Since 6.0 alpha3 - - Moved up the detection of mostly full blocks to the initiatiation of the - sweep phase. This eliminates some lock conention in the PARALLEL_MARK case, - as multiple threads try to look at mostly full blocks concurrently. - - Restored the code in GC_malloc_many that grabs a prefix of the global - free list. This avoids the case in which every GC_malloc_many call - tries and fails to allocate a new heap block, and the returns a single - object from the global free list. - - Some minor fixes in new_hblk.c. (Attempted to build free lists in order - of increasing addresses instead of decreasing addresses for cache performance - reasons. But this seems to be only a very minor gain with -DEAGER_SWEEP, - and a loss in other cases. So the change was backed out.) - - Fixed some of the documentation. (Thanks in large part to Fergus - Henderson.) - - Fixed the Linux USE_PROC_FOR_LIBRARIES code to deal with apps that perform - large numbers of mmaps. (Thanks to Eric Benson.) Also fixed that code to - deal with short reads. - - Added GC_get_total_bytes(). - - Fixed leak detection mode to avoid spurious messages under linuxthreads. - (This should also now be easy for the other supported threads packages. - But the code is tricky enough that I'm hesitant to do it without being able - to test. Everything allocated in the GC thread support itself should be - explicitly deallocated.) - - Made it possible (with luck) to redirect malloc to GC_local_malloc. - -Since 6.0 alpha4 - - Changed the definition of GC_pause in linux_threads.c to use a volatile - asm. Some versions of gcc apparently optimize away writes to local volatile - variables. This caused poor locking behaviour starting at about - 4 processors. - - Added GC_start_blocking(), GC_end_blocking() calls and wrapper for sleep - to linux_threads.c. - The first two calls could be used to generally avoid sending GC signals to - blocked threads, avoiding both premature wakeups and unnecessary overhead. - - Fixed a serious bug in thread-local allocation. At thread termination, - GC_free could get called on small integers. Changed the code for thread - termination to more efficiently return left-over free-lists. - - Integrated Kjetil Matheussen's BeOS support. - - Rearranged the directory structure to create the doc and tests - subdirectories. - - Sort of integrated Eric Benson's patch for OSF1. This provided basic - OSF1 thread support by suitably extending hpux_irix_threads.c. Based - on earlier email conversations with David Butenhof, I suspect that it - will be more reliable in the long run to base this on linux_threads.c - instead. Thus I attempted to patch up linux_threads.c based on Eric's code. - The result is almost certainly broken, but hopefully close enough that - someone with access to a machine can pick it up. - - Integrated lots of minor changes from the NetBSD distribution. (These - were supplied by David Brownlee. I'm not sure about the original - authors.) - - Hacked a bit more on the HP/UX thread-support in linux_threads.c. It - now appears to work in the absence of incremental collection. Renamed - hpux_irix_threads.c back to irix_threads.c, and removed the attempt to - support HPUX there. - - Changed gc.h to define _REENTRANT in cases in which it should already - have been defined. It is still safer to also define it on the command - line. - -Since 6.0alpha5: - - Changed the definition of DATASTART on ALPHA and IA64, where data_start - and __data_start are not defined by earlier versions of glibc. This might - need to be fixed on other platforms as well. - - Changed the way the stack base and backing store base are found on IA64. - This should now remain reliable on future kernels. But since it relies - on /proc, it will no longer work in the simulated NUE environment. - - Made the call to random() in dbg_mlc.c with -DKEEP_BACK_PTRS dependent - on the OS. On non-Unix systems, rand() should be used instead. Handled - small RAND_MAX. (Thanks to Peter Ross for pointing this out.) - - Fixed the cord make rules to create the cord subdirectory, if necessary. - (Thanks to Doug Moen.) - - Changed fo_object_size calculation in finalize.c. Turned finalization - of nonheap object into a no-op. Removed anachronism from GC_size() - implementation. - - Changed GC_push_dirty call in solaris_threads.c to GC_push_selected. - It was missed in a previous renaming. (Thanks to Vladimir Tsichevski - for pointing this out.) - - Arranged to not not mask SIGABRT in linux_threads.c. (Thanks to Bryce - McKinlay.) - - Added GC_no_dls hook for applications that want to register their own - roots. - - Integrated Kjetil Matheussen's Amiga changes. - - Added FREEBSD_STACKBOTTOM. Changed the X86/FreeBSD port to use it. - (Thanks to Matthew Flatt.) - - Added pthread_detach interception for platforms supported by linux_threads.c - and irix_threads.c. Should also be added for Solaris? - - Changed the USE_MMAP code to check for the case in which we got the - high end of the address space, i.e. mem_ptr + mem_sz == 0. It appears - that this can happen under Solaris 7. It seems to be allowed by what - I would claim is an oversight in the mmap specification. (Thanks to Toshio - Endo for pointing out the problem.) - - Cleanup of linux_threads.c. Some code was originally cloned from - irix_threads.c and now unnecessary. Some comments were obviously wrong. - - (Mostly) fixed a longstanding problem with setting of dirty bits from - a signal handler. In the presence of threads, dirty bits could get lost, - since the etting of a bit in the bit vector was not atomic with respect - to other updates. The fix is 100% correct only for platforms for which - GC_test_and_set is defined. The goal is to make that all platforms with - thread support. Matters only if incremental GC and threads are both - enabled. - - made GC_all_interior_pointers (a.k.a. ALL_INTERIOR_POINTERS) an - initialization time, instead of build-time option. This is a - nontrivial, high risk change. It should slow down the code measurably - only if MERGE_SIZES is not defined, which is a very nonstandard - configuration. - - Added doc/README.environment, and implemented what it describes. This - allows a number of additional configuration options to be set through - the environment. It documents a few previously undocumented options. - - Integrated Eric Benson's leak testing improvements. - - Removed the option to throw away the beginning of each page (DISCARD_WORDS). - This became less and less useful as processors enforce stricter alignment. - And it hadn't been tested in ages, and was thus probably broken anyway. - -Since 6.0alpha6: - - Added GC_finalizer_notifier. Fixed GC_finalize_on_demand. (The variable - actually wasn't being tested at the right points. The build-time flag - was.) - - Added Tom Tromey's S390 Linux patch. - - Added code to push GC_finalize_now in GC_push_finalizer_structures. - (Thanks to Matthew Flatt.) - - Added GC_push_gc_structures() to push all GC internal roots. - - Integrated some FreeBSD changes from Matthew Flatt. - - It looks like USRSTACK is not always correctly defined under Solaris. - Hacked gcconfig.h to attempt to work around the problem. The result - is not well tested. (Thanks again to Matthew Flatt for pointing this - out. The gross hack is mine. - HB) - - Added Ji-Yong Chung's win32 threads and C++ fixes. - - Arranged for hpux_test_and_clear.s to no longer be needed or built. - It was causing build problems with gas, and it's not clear this is - better than the pthreads alternative on this platform. - - Some MINGW32 fixes from Hubert Garavel. - - Added Initial Hitachi SH4 port from Kaz Kojima. - - Ported thread-local allocation and parallel mark code to HP/UX on PA_RISC. - - Made include/gc_mark.h more public and separated out the really private - pieces. This is probably still not quite sufficient for clients that - want to supply their own kind of type information. But it's a start. - This involved lots of identifier renaming to make it namespace clean. - - Added GC_dont_precollect for clients that need complete control over - the root set. - - GC_is_visible didn't do the right thing with gcj objects. (Not that - many people are likely to care, but ...) - - Don't redefine read with GC_USE_LD_WRAP. - - Initial port to LINUX/HP_PA. Incremental collection and threads are not - yet supported. (Incremental collection should work if you have the - right kernel. Threads may work with a sufficiently patched pthread - library.) - - Changed gcconfig.h to recognize __i386__ as an alternative to i386 in - many places. (Thanks to Benjamin Lerman.) - - Made win32_threads.c more tolerant of detaching a thread that it didn't - know about. (Thanks to Paul Nash.) - - Added Makefile.am and configure.in from gcc to the distribution, with - minimal changes. For the moment, those are just placeholders. In the - future, we're planning to switch to a GNU-style build environment for - Un*x-like systems, though the old Makefile will remain as a backup. - - Turned off STUBBORN_ALLOC by default, and added it back as a Makefile - option. - - Redistributed some functions between malloc.c and mallocx.c, so that - simple statically linked apps no longer pull in mallocx.o. - - Changed large object allocation to clear the first and last few words - of each block before releassing the lock. Otherwise the marker could see - objects with nonsensical type descriptors. - - Fixed a couple of subtle problems that could result in not recognizing - interior pointers from the stack. (I believe these were introduced - in 6.0alpha6.) - - GC_debug_free_inner called GC_free, which tried to reacquire the - allocator lock, and hence deadlocked. (DBG_HDRS_ALL probably never worked - with threads?) - - Fixed several problems with back traces. Accidental references to a free - list could cause the free list pointer to be overwritten by a back pointer. - There seemed to be some problems with the encoding of root and finalizer - references. - -Since 6.0alpha7: - - Changed GC_debug_malloc_replacement and GC_debug_realloc_replacement - so that they compile under Irix. (Thanks to Dave Love.) - - Updated powerpc_macosx_mach_dep.s so that it works if the collector - is in a dynamic library. (Thanks to Andrew Begel.) - - Transformed README.debugging into debugging.html, updating and - expanding it in the process. Added gcdescr.html and tree.html - from the web site to the GC distribution. - - Fixed several problems related to PRINT_BLACK_LIST. This involved - restructuring some of the marker macros. - - Fixed some problems with the sizing of objects with debug information. - Finalization was broken KEEP_BACK_PTRS or PRINT_BLACK_LIST. Reduced the - object size with SHORT_DEBUG_HDRS by another word. - - The "Needed to allocate blacklisted ..." warning had inadvertently - been turned off by default, due to a buggy test in allchblk.c. Turned - it back on. - - Removed the marker macros to deal with 2 pointers in interleaved fashion. - They were messy and the performance improvement seemed minimal. We'll - leave such scheduling issues to the compiler. - - Changed Linux/PowerPC test to also check for __powerpc__ in response - to a discussion on the gcc mailing list. - - On Matthew Flatt's suggestion removed the "static" from the jmp_buf - declaration in GC_generic_push_regs. This was causing problems in - systems that register all of their own roots. It looks far more correct - to me without the "static" anyway. - - Fixed several problems with thread local allocation of pointerfree or - typed objects. The collector was reclaiming thread-local free lists, since - it wasn't following the link fields. - - There was apparently a long-standing race condition related to multithreaded - incremental collection. A collection could be started and a thread stopped - between the memory unprotect system call and the setting of the - corresponding dirt bit. I believe this did not affect Solaris or PCR, which - use a different dirty-bit implementation. Fixed this by installing - signal handlers with sigaction instead of signal, and disabling the thread - suspend signal while in the write-protect handler. (It is unclear - whether this scenario ever actually occurred. I found it while tracking - down the following:) - - Incremental collection did not cooperate correctly with the PARALLEL_MARK - implementation of GC_malloc_many or the local_malloc primitves. It still - doesn't work well, but it shouldn't lose memory anymore. - - Integrated some changes from the gcc source tree that I had previously - missed. (Thanks to Bryce McKinley for the reminder/diff.) - - Added Makefile.direct as a copy of the default Makefile, which would - normally be overwritten if configure is run. - - Changed the gc.tar target in Makefile.direct to embed the version number - in the gc directory name. This will affect future tar file distributions. - - Changed the Irix dynamic library finding code to no longer try to - eliminate writable text segments under Irix6.x, since that is probably no - longer necessary, and can apparently be unsafe on occasion. (Thanks to - Shiro Kawai for pointing this out.) - - GC_cleanup with GC_DEBUG enabled passed a real object base address to - GC_debug_register_finalizer_ignore_self, which expected a pointer past the - debug header. Call GC_register_finalizer_ignore_self instead, even with - debugging enabled. (Thanks to Jean-Daniel Fekete for catching this.) - - The collector didn't build with call chain saving enabled but NARGS=0. - (Thanks to Maarten Thibaut.) - - Fixed up the GNU-style build files enough so that they work in some - obvious cases. - - Added initial port to Digital Mars compiler for win32. (Thanks to Walter - Bright.) - -Since 6.0alpha8: - - added README.macros. - - Made gc.mak a symbolic link to work around winzip's tendency to ignore - hard links. - - Simplified the setting of NEED_FIND_LIMIT in os_dep.c, possibly breaking - it on untested platforms. - - Integrated initial GNU HURD port. (Thanks to Chris Lingard and Igor - Khavkine.) - - A few more fixes for Digital Mars compiler (Walter Bright). - - Fixed gcc version recognition. Renamed OPERATOR_NEW_ARRAY to - GC_OPERATOR_NEW_ARRAY. Changed GC_OPERATOR_NEW_ARRAY to be the default. - It can be overridden with -DGC_NO_OPERATOR_NEW_ARRAY. (Thanks to - Cesar Eduardo Barros.) - - Changed the byte size to free-list mapping in thread local allocation - so that size 0 allocations are handled correctly. - - Fixed Linux/MIPS stackbottom for new toolchain. (Thanks to Ryan Murray.) - - Changed finalization registration to invoke GC_oom_fn when it runs out - of memory. - - Removed lvalue cast in finalize.c. This caused some debug configurations - not to build with some non-gcc compilers. - -Since 6.0alpha9: - - Two more bug fixes for KEEP_BACK_PTRS and DBG_HDRS_ALL. - - Fixed a stack clearing problem that resulted in SIGILL with a - misaligned stack pointer for multithreaded SPARC builds. - - Integrated another HURD patch (thanks to Igor Khavkine). - -Since 6.0: - - Non-debug, atomic allocations could result in bogus smashed object - reports with debugging on. (Thanks to Patrick Doyle for the small - test case.) - - Fixed GC_get_register_stack_base (Itanium only) to work around a glibc - 2.2.4 bug. - - Initial port to HP/UX on Itanium. Thread support and both 32 and 64 - bit ABIs appear to work. Parallel mark support doesn't yet, due to - some inline assembly code issues. Thread local allocation does appear - to work. - - ifdef'ed out glibc2.1/Itanium workaround. I suspect nobody is using - that combination anymore. - - Added a patch to make new_gc_alloc.h usable with gcc3.0. (Thanks to - Dimitris Vyzovitis for the patch.) - - Debugged 64-bit support on HP/UX PA-RISC. - - Turned on dynamic loading support for FreeBSD/ELF. (Thanks to Peter - Housel.) - - Unregistering of finalizers with debugging allocation was broken. - (Thanks to Jani Kajala for the test case.) - - Old finalizers were not returned correctly from GC_debug_register_finalizer. - - Disabled MPROTECT_VDB for Linux/M68K based on a report that it doesn't work. - - Cleaned up some statistics gathering code in reclaim.c (Thanks to Walter - Bright.) - - Added some support for OpenBSD/ELF/Linux. (Thanks to Suzuki Toshiya.) - - Added Jakub Jelinek's patch to use dl_iterate_phdr for dynamic library - traversal to dyn_load.c. Changed it to weakly reference dl_iterate_phdr, - so that the old code is stilll used with old versions of glibc. - - Cleaned up feature test macros for various threads packages and - integrated (partially functional) FreeBSD threads code from Loren Rittle. - It's likely that the cleanup broke something, since it touched lots of - code. It's also likelly that it fixed some unreported bugs in the - less common thread implementations, since some of the original code - didn't stand up to close scrutiny. Support for the next pthreads - implementation should be easier to add. - -Since 6.1alpha1: - - No longer wrap read by default in multithreaded applications. It was - pointed out on the libgcj list that this holds the allocation lock for - way too long if the read blocks. For now, reads into the heap are - broken with incremental collection. It's possible to turn this back on - if you make sure that read calls don't block (e.g. by calling select - first). - - Fix ifdef in Solaris_threads.h to refer to GC_SOLARIS_THREADS. - - Added check for environment variable GC_IGNORE_GCJ_INFO. - - Added printing of stop-the-world GC times if GC_PRINT_STATS environment - variable is set. - - The calloc definition in leak_detector.h was missing parentheses, and - realloc was missing a second argument to GC_REALLOC. - (Thanks to Elrond (elrondsamba-tng.org).) - - Added GC_PRINT_BACK_HEIGHT environment variable and associated - code, mostly in the new file backgraph.c. See doc/README.environment. - - Added -DUSE_GLOBAL_ALLOC to work around a Windows NT issue. (Thanks to - Jonathan Clark.) - - Integrated port to NEC EWS4800 (MIPS-based workstation, with somewhat - different address-space layout). This may help for other machines with - holes in the data segment. (Thanks to Hironori Sakamoto.) - - Changed the order in which GC_push_roots and friends push things onto - the mark stack. GC_push_all calls need to come first, since we can't - necessarily recovere if those overflow the mark stack. (Thanks to - Matthew Flatt for tracking down the problem.) - - Some minor cleanups to mostly support the Intel compiler on Linux/IA64. - -Since 6.1 alpha2: - - Minor cleanup on the gcconfig.h section for SPARC. - - Minor fix to support Intel compiler for I386/Linux. (Thanks to Sven - Hartrumpf.) - - Added SPARC V9 (64-bit) support. (Thanks to Jeff Sturm.) - - Restructured the way in which we determine whether or not to keep - call stacks for debug allocation. By default SAVE_CALL_COUNT is - now zero on all platforms. Added SAVE_CALL_NARGS parameters. - If possible, use execinfo.h to capture call stack. (This should - add support for a number of new platforms, though often at - considerable runtime expense.) - - Try to print symbolic information for call stacks. On Linux, we - do this with a combination of execinfo.h and running addr2line in - a separate process. This is both much more expensive and much more - useful. Amazingly, it seems to be fast enough for most purposes. - - Redefined strdup if -DREDIRECT_MALLOC is given. - - Changed incremental collector and MPROTECT_VDB implementation so that, - under favorable conditions, pointerfree objects are not protected. - Added GC_incremental_protection_needs() to determine ahead of time whether - pointerfree objects may be protected. Replaced GC_write_hint() with - GC_remove_protection(). - - Added test for GC_ENABLE_INCREMENTAL environment variable. - - Made GC_time_limit runtime configurable. Added GC_PAUSE_TIME_TARGET - environment variable. - - Eliminated GC_page_sz, a duplicate of GC_page_size. - - Caused the Solaris and Irix thread creation primitives to call - GC_init_inner(). - -Since 6.1alpha3: - - Fixed typo in sparc_mach_dep.S, preventing the 64-bit version from - building. Increased 64-bit heap size limit in test.c slightly, since - a functional SPARC collector seems to slightly exceed the old limits. - (Thanks again to Jeff Sturm.) - - Use NPRGREG in solaris_threads.c, thus printing all registers if things - go wrong. - - Added GC_MARKERS environment variable to allow use of a single marker - thread on an MP without confusing the lock implementation. - - Collect much less aggressively in incremental mode with GC_TIME_UNLIMITED. - This is really a purely generational mode, and we can afford to - postpone the collection until the heap is (nearly) full. - - Remove read() wrapper for MPROTECT_VDB. It was causing more harm than - good. It is often no longer needed if system calls avoid writing to - pointerfull heap objects. - - Fix MACOSX test in gcconfig.h. (Thanks to John Clements.) - - Change GC_test_and_set so that it consistently has one argument. - Add spaces to ::: in powerpc assembly code in gc_locks.h. - (Thanks to Ryan Murray.) - - Fixed a formatting error in dbg_mlc.c. Added prototype to GC_abort() - declaration. (Thanks to Michael Smith.) - - Removed "source" argument to GC_find_start(). Eliminate GC_FIND_START(). - - Added win32 recognition code in configure.in. Changed some of the - dllimport/export defines in gc.h. (Thanks to Adam Megacz.) - - GC_malloc_many didn't set hb_last_reclaimed when it called - GC_reclaim_generic. (I'm not sure this matters much, but ...) - - Allocating uncollectable objects with debug information sometimes - allocated objects that were one byte too small, since uncollectable - objects don't have the extra byte added at the end. (Thanks to - Wink Saville for pointing this out.) - - Added a bit more assertion checking to make sure that gcj objects - on free lists never have a nonzero second word. - - Replaced BCC_MAKEFILE with an up-to-date one. (Thanks to - Andre Leiradella.) - - Upgraded libtool, cinfigure.in and some related files to hopefully - support NetBSD/SPARC. (Thanks to Adrian Bunk.) Unfortunately, - libtool 1.4.2 seemed to be buggy due to missing quotes in several - "test" invocations. Fixed those in the ltmain.sh script. - - Some win32-specific patches, including the introduction of - GC_CreateThread. (Thanks to Adam Megacz.) - - Merged in gcj changes from Anthony Green to support embedded systems. - - Tried to consistently rename preprocessed assembly files with a capital - .S extension. - - Use alpha_mach_dep.S on ALPHA again. It doesn't really matter, but this - makes our distribution consistent with the gcc one, avoiding future merge - problems. - - Move GET_MEM definition into gcconfig.h. Include gcconfig.h slightly - later in gc_priv.h to avoid forward references to ptr_t. - - Add some testing of local allocation to test.c. - - Change definition of INVALID_QTID in specific.h. The -1 value was used - inconsistently, and too likely to collide with a valid stack address. - Some general clean-up of specific.[ch]. Added assertions. (Thanks - to Michael Smith for tracking down an intermittent bug to this - general area. I'm not sure it has been squashed yet, however.) - - On Pthread systems it was not safe to call GC_malloc() between fork() - and exec(). According to the applicable standards, it doesn't appear - to be safe to call malloc() or many other libc functions either, thus - it's not clear this is fixable. Added experimental support for - -DHANDLE_FORK in linux_threads.c which tries to support it. It may - succeed if libc does the right thing. I'm not sure whether it does. - (Thanks to Kenneth Schalk for pointing out this issue.) - - Documented thread local allocation primitives to require an - explicit GC_init call. GC_init_parallel is no longer declared to - be a constructor function, since that isn't portable and often - seems to lead to initialization order problems. - - Changed gc_cpp.cc and gc_cpp.h in one more attempt to make them - compatible with Visual C++ 6. (Thanks to Wink Saville for the - patch.) - - Some more patches for Linux on HP PA-RISC. - - Added include/gc_allocator.h. It implements (hopefully) standard - conforming (as opposed to SGI-style) allocators that allocate - collectable (gc_allocator) or GC-traceable, but not collectable - (traceable_allocator) objects. This borrows heavily from libstc++, - which borrows heavily from the SGI implementation, this part of - which was written by Matt Austern. Changed test_cpp.cc to very - minimally test this. - - On Linux/X86, retry mmap with a different start argument. That should - allow the collector to use more (closer to 3GB) of the address space. - (Thanks to Jeffrey Mark Siskind for tracking this down.) - - Force 64 bit alignment with GCJ support. (Reflects Bryce McKinley's - patch to the gcc tree.) - - Refined the choice of sa_handler vs. sa_sigaction in GC_dirty_init - to accomodate some glibc5 systems. (Thanks to Dan Fandrich for the - patch.) - - Compensated for the fact that current versions of glibc set - __libc_stack_end incorrectly on Linux/IA64 while initialization code - is running. This could cause the collector to miss 16 bytes of - the memory stack if GC_malloc or friends where called before main(). - - Mostly integrated Takis Psarogiannakopoulos' port to DG/UX Inix 86. - This will probably take another iteration to work, since his - patch conflicted with the libtool upgrade. - - Added README.arm.cross containing some information about cross- - compiling to an ARM processor from Margaret Fleck. - -Since 6.1alpha4: - - Added GC_finalizer_mem_freed, and changed some of the code that - decided on heap expansion to look at it. Memory explicitly - deallocated by finalizers essentially needs to be counted as reclaimed - by the GC. Otherwise there are cases in which the heap can grow - unboundedly. (Thanks to Mark Reichert for the test case.) - - Integrated Adam Megacz patches to not scan dynamic libraries if - we are compiling with gcc on win32. Otherwise we need structured - exception handling to deal with asynchronously unmapped root - segments, and gcc doesn't directly support that. - - Integrated Anthony Green's patch to support Wine. - - GC_OPERATOR_NEW_ARRAY was misspelled OPERATOR_NEW_ARRAY in several - places, including gc_cpp.cc. (Thanks to Wink Saville for pointing - this out.) - - Integrated Loren James Rittle's Alpha FreeBSD patches. In - response to Richard Henderson's suggestion, these also - changed the declarations of symbols like _end on many platforms to - that they wouldn't mistakenly be declared as short data symbols. - - Integrated changes from the Debian distribution. (Thanks to Ryan Murray - for pointing these out.) Fix C++ comments in POWERPC port. Add ARM32 - incremental GC support. Get rid of USE_GENERIC_PUSH_REGS for alpha/Linux, - this time for real. Use va_copy to get rid of cord printf problems - (finally). - - Close file descriptor used to count cpus. Thanks to Jeff Sturm for - pointing out the omission. - - Don't just drop gcj free lists in GC_start_reclaim, since that can - eventually cause the marker to see a bogus mark descriptor in the - dropped objects. The usual symptom was a very intermittent segmentation - fault in the marker. This mattered only if one of the GC_gcj_malloc - variants was used. (Thanks to Michael Smith, Jeff Sturm, Bryce - McKinley and Tom Tromey for helping to track this down.) - - Fixed Linux and Solaris/64 SPARC configuration. (Thanks to David Miller, - Jeff Sturm, Tom Tromey, and Christian Joensson.) - - Fixed a typo in strdup definition. (Thanks to Gerard A Allan.) - - Changed Makefile.direct to invoke $(CC) to assemble alpha_mach_dep.S. - This is needed on Linux. I'm not sure whether it's better or worse - on Tru64. - - Changed gc_cpp.h once more to declare operator new and friends only in - a Microsoft environment. This may need further fine tuning. (Thanks to - Johannes Schmidt for pointing out that the older code breaks on gcc3.0.4.) - - Don't ever override strdup if it's already macro defined. (Thanks to - Adnan Ali for pointing out the problem.) - - Changed gc_cpp.h yet again to also overload placement new. Due to the - C++ overloading rules, the other overloaded new operations otherwise hide - placement new, which causes many STL uses to break. (Thanks to Reza - Shahidi for reporting this, and to Matt Austern for proposing a fix.) - - Integrated cygwin pthreads support from Dan Bonachea. - - Turn on DYNAMIC_LOADING for NetBSD. (Thanks to Krister Walfridsson.) - - Changed printing code to print more complete GC times. - - Applied Mark Mitchell's Irix patch to correct some bitrot. - - Clarified which object-printing routines in dbg_mlc.c should hold - the allocation lock. Restructured the code to allow reasonable object - printing with -DREDIRECT_MALLOC. - - Fix the Linux mmap code to always start with 0x1000 as the initial hint. - Minor patches for 64-bit AIX, particularly to STACKBOTTOM. - (Thanks again to Jeffrey Mark Siskind.) - - Renamed "SUSPENDED" flag for Solaris threads support to avoid a conflict - with a system header. (Thanks to Philp Brown.) - - Cause win32_threads.c to handle an out of range stack pointer correctly, - though currently with a warning. (Thanks to Jonathan Clark for - observing that win32 applications may temporarily use the stack - pointer for other purposes, and suggesting a fix. Unfortunately, it's - not clear that there is a complete solution to this problem.) - -Since 6.1alpha5: - - Added GC_MAXIMUM_HEAP_SIZE environment variable. - - Fix configure.in for MIPS/LINUX. (Thanks to H.J. Lu.) - - Double page hash table size for -DLARGE_CONFIG. - - Integrated Bo Thorsen's X86-64 support. - - STACKBOTTOM definition for LINUX/MIPS was partially changed back. - (Thanks to H.J. Lu and Hiroshi Kawashima for resolving this.) - - Replaced all occurrences of LINUX_DATA_START in gcconfig.h with - SEARCH_FOR_DATA_START. It doesn't hurt to falll back to a search. - And __data_start doesn't seem to get defined correctly of the GC - library is loaded with LD_PRELOAD, e.g. for leak detection. - - If the GC_find_leak environment variable is set, do a - atexit(GC_gcollect) to give us at least one chance to detect leaks. - This may report some very benign leaks, but ... - - Addeded REDIRECT_FREE. It's necessary if we want leak detection with - LD_PRELOAD. - - Defer printing of leaked objects, as for smashed objects. - - Fixed process and descriptor leak in GC_print_callers. Try for - line number even if we got function name.) - - Ported parallel GC support and thread local allocation to Alpha. - Not yet well-tested. - - Added GC_DUMP_REGULARLY and added finalization statistics to GC_dump(). - - Fixed Makefile.am to mention alpha_mach_dep.S instead of the defunct - alpha_mach_dep.s. (Thanks to Fergus Henderson.) - - Incorporated a change to new_gc_alloc.h, suggested by Johannes Schmidt, - which should make it work with gcc3.1. (I would still like to encourage - use of gc_allocator.h instead.) - - Use alpha_mach_dep.S only on Linux. (It's not clear that this is - optimal, but it otherwise didn't build on Tru64. Thanks to Fergus - Henderson.) - - Added ifdef to guard free() in os_dep.c. Otherwise we get a - compilation error on Irix. (Thanks to Dai Sato.) - - Added an experimental version of GC_memalign to mallocx.c. This can't - always work, since we don't handle alignment requests in the hblk-level - allocator, and we can't handle arbitrary pointer displacements unless - GC_all_interior_pointers is enabled. But it should work for alignment - requests up to HBLKSIZE. This is not yet documented in the standard - places. - - Finally debugged the OSF1/Tru64 thread support. This needs more testing, - since I needed to add a somewhat unconvincing workaround for signal - delivery issues that I don't yet completely understand. But it does - pass my tests, even in parallel GC mode. Incremental GC support is - disabled if thread support is enabled, due to the signal issues. - - Eliminated name-space-incorrect definition of _cdecl from gc_cpp.h. - - Added GC_debug_malloc_replacement and GC_debug_realloc_replacement - declarations to gc.h. On IA64, this is required for REDIRECT_MALLOC - to work correctly with these. - - Fixed Linux USE_PROC_FOR_LIBRARIES to work with a 64-bit /proc format. - -Since 6.1: - - Guard the test for GC_DUMP_REGULARLY in misc.c with - "#ifndef NO_DEBUGGING". Otherwise it fails to build with NO_DEBUGGING - defined. (Thanks to Manuel Serrano.) - - Message about retrying suspend signals was incorrectly generated even when - flag was not set. - - Cleaned up MACOSX/NEXT root registration code. There was apparently a - separate ifdef case in GC_register_data_segments() for no reason. - - Removed MPROTECT_VDB for MACOSX port, based on one negative report. - - Arrange for gc.h and friends to be correctly installed with GNU-style - "make install". - - Enable the GNU-style build facility include C++ support in the library - with --enable-cplusplus. (Thanks to Thomas Maier for some of the patch.) - - Mark from GC_thread_key in linux_threads.c, in case that's allocated - from the garbage collected heap, as it is with our own thread-specific - storage implementation. (Thanks to Jeff Sturm.) - - Mark all free list header blocks if they are heap allocated. This avoids - some unnecessary tracing. And it remains correct if we clear the - root set. (Thanks to Jeff Sturm for identifying the bug.) - - Improved S390/Linux support. Add S390/Linux 64-bit support. (Thanks - to Ulrich Weigand.) - - Corrected the spelling of GC_{M,C}ALLOC_EXPLICTLY_TYPED to - GC_{M,C}ALLOC_EXPLICITLY_TYPED in gc_typed.h. This is technically - an interface change. Based on the fact that nobody reported this, - I suspect/hope there were no clients. - - Cleaned up gc_typed.h so that (1) it adds an extern "C" declaration - when appropriate, (2) doesn't generate references to undefined internal - macros, and (3) allows easier manual construction of descriptors. - - Close the file descriptor used by GC_print_address_map(). - - Set the "close-on-exec" bit for various file descriptors maintained - for the collector's internal use. - - Added a hack to find memory segments owned by the system allocator - under win32. Based on my tests, this tends to eventually find all - segments, though it may take a while. There appear to be cleaner, - but slower solutions under NT/XP. But they rely on an API that's - unsupported under 9X. - - Changed Linux PowerPC stack finding to LINUX_STACKBOTTOM. (Thanks - to Akira Tagoh for pointing out that HEURISTIC1 doesn't work on - 64-bit kernels.) - - Added GC_set_free_space_divisor to avoid some Windows dll issues. - - Added FIXUP_POINTER, POINTER_SHIFT, POINTER_MASK to allow preprocessing - of candidate pointers for tagging, etc. - - Always lock around GC_notify_full_gc(). Simplified code for - invoking GC_notify_full_gc(). - - Changed the way DATASTART is defined on FreeBSD to be robust against - an unmapped page after etext. (Thanks to Hironori Sakamoto for - tracking down the intermittent failure.) - - Made GC_enable() and GC_disable() official. Deprecated direct update - of GC_dont_gc. Changed GC_gcollect to be a noop when garbage collection - is disabled. - - Call GC_register_dynamic_libraries before stopping the world on Linux, - in order to avoid a potential deadlock due to the dl_iterate_phdr lock. - - Introduced a more general mechanism for platform-dependent code to - decide whether the main data segment should be handled separately - from dynamic libraries, or registered by GC_register_dynamic_libraries. - The latter is more reliable and easier on Linux with dl_iterate_phdr. - -Since 6.2alpha1: - - Fixed the completely broken FreeBSD code in 6.2alpha1. (Thanks to - Hironori Sakamoto for the patch.) - - Changed IRIX reference in dbg_mlc.c to IRIX5. (Thanks to Marcus Herbert.) - - Attempted to work around the problems with .S filenames and the SGI - compiler. (Reported by several people. Untested.) - - Worked around an HP/UX make issue with the GNU-style build process. - - Fixed the --enable-cplusplus build machinery to allow builds without - a C++ compiler. (That was always the intent ...) - - Changed the debugging allocation macros to explicitly pass the return - address for Linux and XXXBSD on hardware for which we can't get stack - traces. Use __builtin_return_address(0) to generate it when possible. - Some of the configuration work was cleaned up (good) and moved to gc.h - (bad, but necessary). This should make leak detection more useful - on a number of platforms. (Thanks to Fabian Thylman for the suggestion.) - - Fixed compilation problems in dbg_mlc.c with GC_ADD_CALLER. - - Bumped revision number for dynamic library. - -Since 6.2alpha2: - - Don't include execinfo.h in os_dep.c when it's not needed, and may not exist. - -Since 6.2alpha3: - - Use LINUX_STACKBOTTOM for >= glibc2.2 on Linux/MIPS. (See Debian bug - # 177204) - - Integrated Jeff Sturm and Jesse Rosenstock's MACOSX threads patches. - - Integrated Grzegorz Jakacki's substantial GNU build patch. "Make dist" - should now work for the GNU build process. Documentation files - are installed under share/gc. - - Tweaked gc_cpp.h to again support the Borland compiler. (Thanks to - Rene Girard for pointing out the problems.) - - Updated BCC_MAKEFILE (thanks to Rene Girard). - - Added GC_ASSERT check for minimum thread stack size. - - Added --enable-gc-assertions. - - Added some web documentation to the distribution. Updated it in the - process. - - Separate gc_conf_macros.h from gc.h. - - Added generic GC_THREADS client-defined macro to set the appropriate - GC_XXX_THREADS internal macro. (gc_config_macros.h.) - - Add debugging versions of _ignore_off_page allocation primitves. - - Moved declarations of GC_make_closure and GC_debug_invoke_finalizer - from gc.h to gc_priv.h. - - Reset GC_fail_count even if only a small allocation succeeds. - - Integrated Brian Alliet's patch for dynamic library support on Darwin. - - gc_cpp.h's gc_cleanup destructor called GC_REGISTER_FINALIZER_IGNORE_SELF - when it should have called the lower case version, since it was - explicitly computing a base pointer. - -Since 6.2alpha4: - - GC_invoke_finalizers could, under rare conditions, set - GC_finalizer_mem_freed to an essentially random value. This could - possibly cause unbounded heap growth for long-running applications - under some conditions. (The bug was introduced in 6.1alpha5, and - is not in gcc3.3. Thanks to Ben Hutchings for finding it.) - - Attempted to sanitize the various DLL macros. GC_USE_DLL disappeared. - GC_DLL is used instead. All internal tests are now on GC_DLL. - README.macros is now more precise about the intended meaning. - - Include DllMain in the multithreaded win32 version only if the - collector is actually built as a dll. (Thanks to Mohan Embar for - a version of the patch.) - - Hide the cygwin threadAttach/Detach functions. They were violating our - namespace rules. - - Fixed an assertion in GC_check_heap_proc. Added GC_STATIC_ASSERT. - (Thanks again to Ben Hutchings.) - - Removed some obsolete definitions for Linux/PowerPC in gcconfig.h. - - CORD_cat was not rebalancing unbalanced trees in some cases, violating - a CORD invariant. Also tweaked the rebalancing rule for - CORD_cat_char_star. (Thanks to Alexandr Petrosian for the bug report - and patch.) - - Added hand-coded structured exception handling support to mark.c. - This should enable support of dynamic libraries under win32 with - gcc-compiled code. (Thanks to Ranjit Mathew for the patch.) - Turned on dynamic library scanning for win32/gcc. - - Removed some remnants of read wrapping. (Thanks to Kenneth Schalk.) - GC_USE_LD_WRAP ws probably broken in recent versions. - - The build could fail on some platforms since gcconfig.h could include - declarations mentioning ptr_t, which was not defined, e.g. when if_mach - was built. (Thanks to Yann Dirson for pointing this out.) Also - cleaned up tests for GC_PRIVATE_H in gcconfig.h a bit. - - The GC_LOOP_ON_ABORT environment variable interfered with incremental - collection, since the write fault handler was erroneously overridden. - Handlers are now set up in the correct order. - - It used to be possible to call GC_mark_thread_local_free_lists() while - the world was not stopped during an incremental GC. This was not safe. - Fortunately, it was also unnecessary. Added GC_world_stopped flag - to avoid it. (This caused occasional crashes in GC_set_fl_marks - with thread local allocation and incremental GC. This probably happened - primarily on old, slow multiprocessors.) - - Allowed overriding of MAX_THREADS in win32_threads.c from the build - command line. (Patch from Yannis Bres.) - - Taught the IA64/linux code to determine the register backing store base from - /proc/self/maps after checking the __libc symbol, but before guessing. - (__libc symbols are on the endangered list, and the guess is likely to not - always be right for 2.6 kernels.) Restructured the code to read and parse - /proc/self/maps so it only exists in one place (all platforms). - - The -DUSE_PROC_FOR_LIBRARIES code was broken on Linux. It claimed that it - also registered the main data segment, but didn't actually do so. (I don't - think anyone actually uses this configuration, but ...) - - Made another attempt to get --enablecplusplus to do the right thing. - Since there are unavoidable problems with C programs linking against a - dynamic library that includes C++ code, I separated out the c++ code into - libgccpp. - -Since 6.2alpha5: - - There was an extra underscore in the name of GC_save_registers_in_stack - for NetBSD/SPARC. (Thanks to Jaap Boender for the patch.) - - Integrated Brian Alliet's patch for Darwin. This restructured the - linuxthreads/pthreads support to separate generic pthreads support - from more the system-dependent thread-stopping code. I believe this - should make it easier to eliminate the code duplication between - pthreads platforms in the future. The patch included some other - code cleanups. - - Integrated Dan Bonachea's patch to support AIX threads. This required - substantial manual integration, mostly due to conflicts with other - recent threads changes. It may take another iteration to - get it to work. - - Removed HPUX/PA-RISC support from aix_irix_threads.c. It wasn't used - anyway and it cluttered up the code. And anything we can do to migrate - towards generic pthreads support is a good thing. - - Added a more explicit test for tracing of function arguments to test.c. - (Thanks to Dan Grayson.) - - Added Akira Tagoh's PowerPC64 patch. - - Fixed some bit rot in the Cygwin port. (Thanks to Dan Bonachea for - pointing it out.) Gc.h now includes just windows.h, not winbase.h. - - Declared GC_save_regs_in_stack() in gc_priv.h. Remove other declarations. - - Changed --enable-cplusplus to use automake consitionals. The old way - confused libtool. "Make install" didn't work correctly for the old version. - Previously --enable-cplusplus was broken on cygwin. - - Changed the C version of GC_push_regs to fail at compile time if it is - generated with an empty body. This seems to have been the cause of one - or two subtle failures on unusual platforms. Those failures should - now occur at build time and be easily fixable. - -Since 6.2alpha6: - - Integrated a second round of Irix/AIX patches from Dan Bonachea. - Renamed mips_sgi_mach_dep.S back to mips_sgi_mach_dep.s, since it requires - the Irix assembler to do the C preprocessing; gcc -E doesn't work. - - Fixed Makefile.direct for DARWIN. (Thanks to Manuel Serrano.) - - There was a race between GC_pthread_detach and thread exit that could - result in a thread structure being deallocated by GC_pthread_detach - eventhough it was still needed by the thread exit code. (Thanks to - Dick Porter for the small test case that allowed this to be debugged.) - - Fixed version parsing for non-alpha versions in acinclude.m4 and - version checking in version.h. - -Since 6.2: - - Integrated some NetBSD patches forwarded to me by Marc Recht. These - were already in the NetBSD package. - - GC_pthread_create waited for the semaphore even if pthread_create failed. - Thanks to Dick Porter for the pthread_support.c patch. Applied the - analogous fix for aix_irix_threads.c. - - Added Rainer Orth's Tru64 fixes. - - The check for exceeding the thread table size in win32 threadDetach - was incorrect. (Thanks to Alexandr Petrosian for the patch.) - - Applied Andrew Begel's patch to correct some reentrancy issues - with dynamic loading on Darwin. - - GC_CreateThread() was neglecting to duplicate the thread handle in - the table. (Thanks to Tum Nguyen for the patch.) - - Pass +ESdbgasm only on PA-RISC machines with vendor compiler. - (Thanks to Roger Sayle for the patch.) - - Applied more AIX threads patches from Scott Ananian. - -Since 6.3alpha1: - - Reenabled I_HOLD_LOCK assertion in aix_irix_threads.h. - - Put back the WINABI qualifier for GC_CreateThread. (Thanks to - Danny Smith for the patch. 6.3alpha1 had the qualifier in one place - but not elsewhere, which was clearly wrong.) - - Sometimes explicitly define __private_extern__ before DARWIN dyld.h - include. (Thanks to Andreas Tobker for postting the patch.) - - Included signal.h from pthread_support.c. Removed GC_looping_handler, - which was dead code. - - GC_find_start was misdeclared by gc_pmark.h if PRINT_BLACK_LIST was - defined. (Thanks to Glauco Masotti for testing and reporting this.) - Changed GC_find_start to never just return 0. According to its - comment it doesn't, and it's unclear that's correct. - - GC_alloc_large had several largely compensating bugs in the - computation of GC_words_wasted. (It was confused about bytes vs. - words in two places.) - - Integrated Slava Sysoltev's patch to support more recent versions of - the Intel compiler on IA64/Linux. - - Changed win32 spinlock initialization to conditionally set a spin count. - (Emmanual Stumpf pointed out that enabling this makes a large performance - difference on win32 multiprocessors.) Also cleaned up the win32 spinlock - initialization code a bit. - - Fixed thread support for HP/UX/IA64. The register backing store base for - the main thread was sometimes not set correctly. (Thanks to Laurent - Morichetti.) - - Added -DEMPTY_GETENV_RESULTS flag to work around Wine problem. - - Declare GC_stack_alloc and GC_stack_free in solaris_threads.h to - avoid 64-bit size mismatches. (Thanks to Bernie Solomon.) - - Fixed GC_generic_push_regs to avoid a potential and very unfortunate - tail call optimization. This could lead to prematurely reclaimed - objects on configurations that used the generic routine and the new - build infrastructure (which potentially optimizes mach_dep.c). - This was a serious bug, but it's unclear whether it has resulted in - any real failures. - - Fixed CORD_str to deal with signed characters. (Thanks to Alexandr - Petrosian for noticing the problem and supplying the patch.) - - Merged a couple of NOSYS/ECOS tests into os_dep.c from gcj. (Thanks - to Anthony Green.) - - Partially merged a win32 patch from Ben Hutchings, and substantially - revised other parts of win32_threads.c. It had several problems. - Under MinGW with a statically linked library, the main thread was - not registered. Cygwin detached threads leaked thread descriptors. - There were several race conditions. For now, unfortunately the - static threads limit remains, though we increased it, and made table - traversal cost depend on the actual thread count. - There is also still some code duplication with pthread_support.c. - (Thread descriptors did become much smaller, since Ben Hutchings - removed the thread context from them.) - - Integrated a Solaris configure.in patch from Rainer Orth. - - Added GC_IGNORE_FB and associated warning to very partially address - the issue of the collector treating a mapped frame buffer as part - of the root set. (Thanks to David Peroutka for providing some - insight. More would be helpful. Is there anything that can be used - to at least partially identify such memory segments?) - -Since 6.3alpha2: - - Removed -DSMALL_CONFIG from BCC_MAKEFILE. - - Changed macros to test for an ARM processor (Patch from Richard Earnshaw.) - - Mostly applied a DJGPP patch from Doug Kaufman. Especially Makefile.dj - had suffered from serious bit rot. - - Rewrote GC_apply_to_maps, eliminating an off-by-one subscript error, - and a call to alloca (for lcc compatibility). - - Changed USE_MUNMAP behavior on posixy platforms to immediately remap - the memory with PROT_NONE instead of unmapping it. The latter risks - an intervening mmap grabbing the address space out from underneath us. - Updated this code to reflect a cleaner patch from Ulrich Drepper. - - Replaced _T with _Tp in new_gc_alloc.h to avoid a MACOS X conflict. - (Patch from Andrew Begel.) - - Dynamically choose whether or not lock should spin on win32. (Thanks - to Maurizio Vairani for the patch.) This may be a significant performance - improvement for win32. - - Fix Makefile.direct to actually include NT_STATIC_THREADS_MAKEFILE - in the distribution. (Again thanks to Maurizio Vairani.) - - Maybe_install_looping_handler() was accidentally exported, violating - our name space convention. - - Made os_dep.c use sigsetjmp and SA_NODEFER for NetBSD. (Thanks to - Christian Limpach.) (I generalized the patch to use sigsetjmp on all - UNIX_LIKE platforms, admittedly a slightly risky move. But it may avoid - similar problems on some other platforms. I also cleaned up the defn - of UNIX_LIKE a bit. - Hans) - - Integrated Andrew Begel's Darwin threads patch, adjusted according to - some of Fergus Hendersons's comments. (Patch didn't apply cleanly, - errors are possible.) - - Added another test or two for the Intel 8.0 compiler to avoid - confusing it with gcc. The single-threaded collector should now build - with icc, at least on ia64. - -Since 6.3alpha3: - - USE_MMAP was broken by confusion in the code dealing with USE_MMAP_ANON. - (This was pointed out, and fixes were suggested by several other people.) - - Darwin supprt was broken in alpha3 as a result of my misintegration of - Andrew Begel's patches. Fixed with another patch from Andrew Begel. - - A new sanity check in pthread_stop_world.c:GC_push_all_stacks() was - overly aggressive. We may collect from an unregistered thread during - thread creation. Fixed by explicitly checking for that case. (Added - GC_in_thread_creation.) - -Since 6.3alpha4: - - Fix & vs && typo in GC_generic_malloc and - GC_generic_malloc_ignore_off_page. (Propagated from the gcc tree.) - - Removed SA_NODEFER hack from NetBSD and Solaris write-protect handler. - (According to Christian Limpach, the NetBSD problem is fixed. - Presumably so is the Solaris 2.3 problem.) - - Removed placement delete from gc_cpp.h for the SGI compiler. - (Thanks to Simon Gornall for the patch.) - - Changed semantics of the GC_IGNORE_FB environment variable, based - on experimentation by Nicolas Cannasse pointing out that the old - interpretation was useless. We still need help in identifying win32 - graphics memory mappings. The current "solution" is a hack. - - Removed "MAKEOVERRIDES =" from Makefile.am and thus Makefile.in. - It probably made more sense in the gcc context. - - Explicitly ensure that NEED_FIND_LIMIT is defined for {Open,Net}BSD/ELF. - - Replaced USE_HPUX_TLS macro by USE_COMPILER_TLS, since gcc often - supports the same extension on various platforms. - - Added some basic (completely untested) defines for win64, in support - of future work. - - Declared GC_jmp_buf in os_dep.s as JMP_BUF instead of jmp_buf, fixing - a memory overwrite bug on Solaris and perhaps other platforms. - - Added 0 != __libc_stack_end test to GC_linux_stack_base. (Thanks to Jakub - Jelinek, both for the patch, and for explaining the problem to me.) - Otherwise "prelink"ing could cause the collector to fail. - - Changed default thread local storage implementation to USE_PTHREAD_SPECIFIC - for HP/UX with gcc. The compiler-based implementation appears to work - only with the vendor compiler. - - Export GC_debug_header_size and GC_USR_PTR_FROM_BASE from gc_mark.h, - making client mark code cleaner and less dependent on GC version. - - Export several new procedures and GC_generic_malloc from gc_mark.h - to support user-defined kinds. Use the new procedures to replace existing - code in gcj_mlc.c and typd_mlc.c. - - Added support for GC_BACKTRACES. - - Fixed a remaining problem in CORD_str with signed characters. (Thanks - to Alexandr Petrosian for the patch.) - - Removed supposedly redundant, but very buggy, definitions of finalizer - macros from javaxfc.h. Fortunately this file probably has no users. - The correct declarations were already in gc.h. - - Also need to set GC_in_thread_creation while waiting for GC during - thread termination, since it is also possible to collect from an - unregistered thread in that case. - - Define NO_GETENV for Windows CE, since getenv doesn't appear to exist. - + some other minor WinCE fixes. (Thanks to Alain Novak.) - - Added GC_register_describe_type_fn. - - Arrange for debugging finalizer registration to ignore non-heap - registrations, since the regular version of the routine also behaves - that way. - - GC_gcj_malloc and friends need to check for finalizers waiting to be run. - One of the more obscure allocation routines with missing a LOCK() call. - - Fixed cvtres invocations in NT_MAKEFILE and NT_STATIC_THREADS_MAKEFILE - to work with VS.NET. - - Cleaned up GC_INIT calls in test. Updated gc.man to encourage GC_INIT - use in portable code. - - Taught the GC to use libunwind if --enable-full-debug is specified on - IA64 and libunwind is present. - - The USE_MUNMAP code could get confused about the age of a block and - prematurely unmap it. GC_unmap_old had a bug related to wrapping of - GC_gc_no. GC_freehblk and GC_merge_unmapped didn't maintain - hb_last_reclaimed reasonably when blocks were merged. The code was - fixed to reflect original intent, but that may not always be an - improvement. See todo list item. - -Since 6.3alpha5: - - Define USE_GENERIC_PUSH_REGS for NetBSD/M68K. - - Fixed the X86_64 PREFETCH macros to correctly handle ia32e (which uses - different prefetch instructions from AMD64). (Thanks to H.J. Lu.) - - GC_config_macros.h did not correctly define GC_WIN32_THREADS from - GC_THREADS. - - Added simple_example.html. - - Merged Andrew Gray's patch to correctly restore signal handlers on - FreeBSD. - - Merged a patch from Andreas Jaeger to deal with prefetch-related warnings - on x86-64. Added some other casts so that the PREFETCH macros - always get a ptr_t argument. Removed some casts inthe PREFETCH - implementations. - - At Jesse Jones suggestion: Added a header guard for gc_allocator.h - and changed GC_debug_free to clobber contents of deallocated object. - - The signal masking code in pthread_stop_world.c contained some errors. - In particular SIGSEGV was masked in the handler, in spite of the fact that - it wrote to the heap. This could lead to an uncaught SIGSEGV, which - apparently became much more likely in Linux 2.6. Also fixed some - typos, and reduced code duplication in the same area. - - Remove ltconfig, clean up configure messages for DGUX (thanks to - Adrian Bunk for the patches). - - Integrated NetBSD/OpenBSD patches from Marc Recht and Matthias Drochner. - -Since 6.3alpha6: - - Compile test_cpp.cc with CXXCOMPILE instead of COMPILE. - - Very large allocations could cause a collector hang. Correct - calculation of GC_collect_at_heapsize. - - GC_print_hblkfreelist printed some bogus results if USE_MUNMAP - was defined. - - Include gc_config_macros.h in threadlibs.c. - - Correct MacOSX thread stop code. (Thanks to Dick Porter.) - - SMALL_OBJ definition was off by one. This could cause crashes - at startup. (Thanks to Zoltan Varga for narrowing this down to - a trivial test case.) - - Integrate Paolo Molara's patch to deal with a race in the Darwin - thread stopping code. - - Changed X86_64 implementation to use SA_SIGINFO in the MPROTECT_VDB - implementation. The old approach appears to have been broken by - recent kernels. - - Added GC_ATTR_UNUSED to eliminate a warning in gc_allocator.h (Thanks - to Andrew Begel.) - - Fix GC_task_self declaration in os_dep.c. (Thanks to Andrew Pinski.) - - Increase INITIAL_BUF_SZ in os_dep.c for Solaris /proc reads. - -Since gc6.3: - - Merge gcconfig.h changes from gcc tree. - - Unconditionally include gc_priv.h in solaris_pthreads.c, win32_threads.h, - aix_irix_threads.c, and solaris_threads.c to get thread definitions. - - Start marker threads in GC_thr_init, so that they get started even - if no other threads are ever started. (Oddly enough, the parallel - collector worked correctly, though not well, with no helper threads.) - - Go ahead and split large blocks in GC_allochblk_nth if GC_dont_gc - is set. (Thanks to Alexander Petrossian.) - - GC_PRINT_BACK_HEIGHT would deadlock with thread support. - - Let in_progress_space in backgraph.s grow dynamically. - - Fix README.solaris2. The GC_thr_init() hack doesn't work anymore. - - Convert GC_finalizer_mem_freed to bytes in allchblk.c. - - Add missing declaration for GC_generic_malloc_words_small_inner. - Without it, s390x breaks. (Thanks to Ulrich Weigand.) - - Applied several MacOSX patches to support older tool chains. - (Thanks to Stefan Ring.) - - Bug fix for NetBSD/amd64. (Thanks to Marc Recht.) Add NetBSD/sh3 - support. (Thanks to Uchiyama Yasushi.) - - Fixed an uninitialized variable in cordprnt.c. (Thanks to gcc for - providing the warning.) - - Eliminated some, but not all, gcc -Wall warnings. - - Changed some old style casts to reinterpret_cast in new_gc_alloc.h. - (Thanks to Dan Grayson.) - - GC_extend_size_map shouldn't adjust for GC_all_interior_pointers if - GC_DONT_ADD_BYTE_AT_END is set. - - Changed some (long) casts to (word) in preparation for win64. - (Thanks to Peter Colson.) - - Changed "int stack_size" declaration in pthread_support.c to use - size_t. (Only mattered with GC_ASSERTIONS enabled.) - - Added CRIS (etrax) support. (Thanks to Simon Posnjak and - Hans-Peter Nilsson.) - - Removed GC_IGNORE_FB frame buffer recognition, and replaced - it with a check that the mapping type is MEM_IMAGE. - In theory, this should work much better, but it is a high - risk change for win32. (Thanks to Ashley Bone for the crucial - experimental data behind this, and to Rutger Ovidus for - some further experiments.) - - GC_allochblk_nth incremented GC_words_wasted by bytes rather than - words. - - Consider GC_words_wasted in GC_adj_words_allocd only if it is within - reason. (A hack to avoid some extremely unlikely scenarios in which - we manage to allocate only "wasted" space. 7.0 has a better fix.) - - Changed PowerPC GC_clear implementation to use lwsync instead of - eieio, since the documentation recommends against eieio, and - it seems to be incorrect if the preceding memory op is a load. - - Fixed print_block_list to print the correct kind number for - STUBBORN. (Thanks to Rutger Ovidus.) - - Have configure.in generate an error if it is asked to support - pthreads, but doesn't know how to. - - Added Kazuhiro Inaoka's patch for Renesas M32R support. - - Have the GNU build mechanism link with -ldl. Rename THREADLIBS - to THREADDLLIBS to reflect this. (Thanks to Sven Verdoolaege.) - - Added Hannes Mehnert's patch for FreeBSD/SPARC support. - - Merged some FreeBSD specific patches to threadlibs.c and dyn_load.c. - (Thanks tp John Merryweather Cooper.) - - Define MPROTECT_VDB on MACOSX only if threads are being used, since the - dirty page tracking mechanism uses threads. (This avoids an undefined - reference to _GC_darwin_register_mach_handler_thread.) - - By popular demand, use __libc symbols only if we are built with - USE_LIBC_PRIVATES, which is off by default, and not otherwise documented. - - Ignore GC_enable_incremental() requests when KEEP_BACK_PTRS is set. - The GC itself will dirty lots of pages in this cases, probably making - it counterproductive on all platforms. And the DARWIN port crashes. - -Since gc6.4: - - Integrated Paolo Molaro's patch to deal with EINTR in sem_wait. - - Make GC_approx_sp() write to dummy location to ensure that stack - is grown here, when sp looks reasonable, rather than later, when - it might look like a bad memory reference. (Problem was never - observed that I know of. But on rereading the code it seemed - dubious.) - - Separate out GC_with_callee_saves_pushed and sometimes call - it from GC_suspend_handler in pthread_stop_world.c. Callee-save - register values sometimes failed to get traced under HP/UX on - PA-RISC. Linux/IA64 had the same problem, though non-stacked - callee-save registers seem to be so rarely used there that nobody - ever noticed. - - Integrated an ancient Darwin powerpc_darwin_machine_dep.s patch - from Andreas Tobler, which I had lost. - - Fix compare_and_exchange implementation for gcc/IA64 to deal with - pickier compiler versions. - - Fixed Itanium 32-bit ABI support (HP/UX). In particular, the - compare_and_exchange implementation didn't consider that possibility. - - Undefine GC_pthread_detach in win32_threads.c. (Thanks to - Tagliapietra Tommaso.) - - Fixed inclusion of frame.h for NETBSD in os_dep.c. - - Applied Dan Bonachea's patch to use mmap on AIX. - - Several fixes to resurrect the Irix port on recent OS versions. - - Change ALPHA to use LINUX_STACKBOTTOM. - - Change SPARC64/LINUX to also use LINUX_STACKBOTTOM. Deal with potential - bad values of __libc_stack_end on that platform. (Thanks to David Miller.) - - Relax gctest to allow larger heap if ALIGN_DOUBLE isn't set. - (Unnecessary in 7.0) - - Force a define of __STDC__=0 for the IBM compiler on AIX, so that - we get prototypes. (Unnecessary in 7.0) - - GC_INIT definition for AIX and CYGWIN referred to DATASTART and DATAEND - which are only defined in private include files. - - Integrated some small gcconfig.h patches from Dan Bonachea. Also - relaxed assertion about FreeBSD stack size in pthread_support.c. - - Integrated Andrew Begel's darwin_stop_world.c patch for 64-bit - support. This may need additional work. - - Avoided potentially infinite recursion in GC_save_callers if - the system backtrace calls malloc. The workaround currently requires - __thread support if this code is used with threads. - - Avoided another similar infinite recursion by conditionally - invoking GC_save_callers in alloc.c. (Thanks to Matthias Andree - for helping to track down both of these.) - - Removed all traces of aix_irix_threads.c. AIX and Irix now use - pthread_support.c and pthread_stop_world.c. The old code appeared - to be unreliable for AIX, and was not regularly maintained. - - On Irix, ignore segments with MA_FETCHOP or MA_NOTCACHED attributed; - they're not always safe to read. - - Fixed a previously vacuous assertion (diagnosed by the SGI compiler) - in GC_remove_from_fl. - - Fix stack_size assertion in GC_pthread_create. - - Fix assertion in GC_steal_mark_stack. - -Since gc6.5: - - Fix CPU count detection for Irix and FreeBSD. (Thanks to Dan Bonachea.) - - Integrate Dan Bonachea's patch for the IBM XLC compiler on Darwin. - - Integrated Andreas Tobler's FreeBSD/PowerPC patch. - - Don't access the GC thread structure from the restart handler. It's - unsafe, since the handler may run too late. (Thanks to Ben Maurer for - tracking this down.) - - Applied Christian Thalinger's patch to change comment syntax in - alpha_mach_dep.S. - - Added test for GC_no_dls in GC_dyld_image_add for DARWIN. (Thanks to - Juan Jose Garcia Ripoli). - - Use LINUX_STACKBOTTOM for Linux/SH and LINUX/ARM. (Thanks to Sugioka - Toshinobu and Christian Thalinger.) - - Rewrote GC_parse_map_entry. This assumed a fixed column layout of - /proc/self/maps on Linux. This ceased to be true about 2 years ago. - The old code is probably quite problemetic with -DREDIRECT_MALLOC. It - is also used by default for IA64, though I haven't seen actual failures - there. - - More consistently define HBLKSIZE to 4096 on 64 bit architectures with - 4K pages. (Thanks to Andrew Haley.) - - With win32 threads, GC_stop_world needs to acquire GC_write_cs. (Thanks - to Ben Hutchings for the observation and patch.) - - Move up struct callinfo declaration to make gcc 4.0.2. happy. - -Since 6.6: - - Add "int" to Solaris "end" and "etext" declaration in gc.h. Declared - the symbols with underscores and as arrays, since that's what's actually - used. Perhaps this could all just be removed? (Thanks to John Bowman.) - - Fixed ARM GC_test_and_set code. (Thanks to Kazu Hirata and Paul Brook.) - - Added casts for assignments to hb_last_reclaimed, which truncate the - value. Added a cast to GC_adj_words_allocd. Use GetModuleHandleA - when retrieving a handle to kernel32.dll under win32. (Thanks to the - Visual Prolog developers.) - - Added Tandem S-Series support. (Thanks to Craig McDaniel. A modified - version of his patch was applied, and hence breakage is probably not - his fault.) - - Remove spurious gc:: qualifier for operator delete[] in gc_cpp.h. - (Thanks to Hanno Boeck.) - - Changed a test for LINUX in config_macros.h to one for __linux__. - - Add prototypes for GC_finalizer_notifier and GC_thr_init. (Thanks to - David Ayers.) - - Use ld instead of nonexitent ldz instruction in Darwin FindTopOfStack. - (Thanks to Andreas Tobler.) - - Add support for Darwin/X86. (Thanks to Geoff Norton and the Mono - developers.) - - Merge in some recent gcc fixes. Add ppc64 asm code. (Thanks to Bryce - McKinley and other gcj developers.) - - Scan MEM_PRIVATE sections under Windows ME and predecessors. - - Interior pointers with some largish offsets into large objects could - be ignored, if GC_all_interior_pointers was set. (Oddly this worked - correctly for stack references if it was not set. Otherwise it failed - for both stack and heap references.) Thanks to Andrew McKinlay for the - critical test case. - - Integrated Tatsuya Bizenn's NETBSD threads support, with some - untested changes. - - Added GC_strdup and friends to make leak detection work correctly - for strdup clients. (Thanks to Jon Moore.) Fixed the existing strdup - with malloc redirection to handle a null malloc return correctly. - -Since gc6.7: - - Added some support for Dragonfly BSD. (Thanks to Joerg Sonnenberger and - Thomas Klausner.) - - Improvements to the HP/UX section of configure.in/configure.ac. - (Thanks to Andreas Tobler) - - GC_unix_get_mem could neglect to release the malloc lock on Irix, under - extremely unlikely circumstances. Thanks to Jean-Baptiste Nivois for - some careful code reading. - - Added support for kFreeBSD + glibc (Thanks to Petr Salinger) - - Fix more MacOS threads memory leaks (Thanks to Allan Hsu) - - Added initial Solaris/X86-64 support (Thanks to Rainer Orth) - -Since gc6.8: - - Fix typo in PREFETCH implementation for X86_64. (Thanks to Peter Wang.) - - Fix M68K LINUX port. (Thanks to Debian packagers.) - - __GNUC__ was misspelled as __GNUC in new_gc_alloc.h. (Thanks to Peter Wang.) - - Integrated Allan Hsu's patch for OS X VM deallocation problems. - - Applied FreeBSD/X86_64 patch. - -Since gc6.9: - - Remove GC_PROTO, VOLATILE, GC_PTR, and GC_CONST. Assume ANSI C compiler - and use ANSI constructs unconditionally. - - Introduce #elif and #error in some of the appropriate places. - - Remove GC_printf cruft. Use stdargs. - - Remove separate Solaris threads support. Use the more generic Posix - implementation. - - Use atomic_ops for atomic operations and memory barriers. - - Clean up MPROTECT_VDB implementation. Use SA_SIGINFO wherever - possible. - - Remove broken SIGNALS stuff. - - Use size_t instead of word, where appropriate. - - Add .S.o rule to Makefile.am. - - Officially unsupport SunOS4, several old flavors of M68K (SunOS4, - A/UX, HP), IBM PC/RTs and RISCOS/Irix4. (I doubt the old code worked. - If anyone cares, these should be easy to resurrect.) - - Add EXPECT() in some critical places. - - Redefined hb_sz and hb_body to deal with bytes rather than words. - This affected a great deal of code. I would like to consistently use - byte offsets and sizes where there's not a convincing reason to do - otherwise. - - Redefined several other variables (GC_mem_found, GC_words_allocd) - etc. to use units of bytes. Most of these were also renamed to - reflect that fact. - - Killed as many "register" declarations as possible. - - Partially replaced stubborn allocation with manual write barrier. - It's currently broken. - - Restructured mark code, to allow mark bits to be kept either on - a per allocation granule or per object basis. The emphasis is - now on the -DUSE_MARK_BYTES option, since individual bits perform - quite badly on hyperthreaded P4s, and are probably suboptimal on - other architectures. -DUSE_MARK_BITS is currently broken, and may - be resurrected only for the single-threaded case. This significantly - reduced the cache footprint required by auxiliary GC data structures. - It also reduces space overhead for small heaps. It probably slows - things down slightly if interior pointers are very common. - - As part of the above, we now maintain an approximate count of set - mark bits in each heap block. - - As part of the above, the semantics of hb_map changed drastically. - For MARK_BIT_PER_OBJ, it doesn't exist. For MARK_BIT_PER_GRANULE, - it is purely a way to replace a mod instruction with a table lookup. - (Somewhat to my surprise, this still wins on modern hardware.) - - Removed PRINTSTATS, GATHERSTATS, and SILENT macros. Everything is - now controlled by GC_print_stats variable and GC_PRINT_STATS - and new GC_PRINT_VERBOSE_STATS environment variables. - - Add GC_log_printf and use it consistently for logging output. - - Unconditionally count the objects we reclaim in the sweep phase. - For thread local allocation, we need that anyway, and we expect - that's increasingly the only case that matters. And it simplifies - the code. In general expect minor performance hacks that benefit - only the single-threaded case to disappear. - - Remove GC_quiet from gc.h and elsewhere. - - Changed the heap expansion heuristic, and the definition of - GC_free_space_divisor, to refer to live data size, instead of total - heap size. I believe this is much more robust. It wasn't previously - possible, because we didn't have access to live data size. - - Thread local allocation added the extra byte in twice: Once in - thread_local_alloc, and once in malloc_many. - - Removed GC_malloc_words_small and GC_gcj_fast_malloc. A new - mechanism based on the thread local allocation data structures - is expected to be added instead. This should allow inlined code - that is both fast and doesn't rely on collector internals. - - Changed both free lists and reclaim lists to be indexed by granules - instead of words, norming halving their size. - - MERGE_SIZE is now the only option, and the macro was removed. - (Without it, we need a memory reference to GC_all_interior_pointers - anyway. Thus it costs us nothing.) - - Change GC_size_map to map to granules instead of words. Make sure - that every possible size up to TINY_FREELISTS is present. - - Split of macros need for fast inline allocation into gc_tiny_fl.h - in anticipation of a new inline allocator that doesn't rely on GC - internals. - - Changed thread local allocation to use GRANULE_BYTES and TINY_FREELISTS - in anticipation of a merge with the inline allocation code. - - Removed ALIGN_DOUBLE. This is mostly handled by GRANULE_BYTES. - - Make locking on most platforms conditional on GC_need_to_lock. - -Since gc7.0alpha1: - - GC_bytes_allocd was incremented by a possibly uninitialized variable - in GC_generic_malloc_inner. (Bug introduced in gc7.0alpha1. Thanks - to Ben Hutchings for tracking it down.) - - Win32 fixes. (Thanks to Ben Hutchings and Maurizio Vairani.) - - Integrated Ben Hutchings' GetWriteWatch-based virtual dirty bit - implementation for win32. - - Removed pc_gc.tar and floppy targets in Makefile.direct. Removed - pc_excludes file. - - No longer include GC_bytes_wasted when evaluating allocation progress. - Since we are now counting live memory, it no longer makes sense. - - Applied Davide Angelocola's configury patch. There are now separate - Makefile.am's in the cord and tests subdirectory, more tests, etc. - - Renamed configure.in to configure.ac. - - Merged a very small number of Nathanael Nerode's configure.ac - cleanups from the gcc tree. Unfortunately, that file is a bit - different from ours. - - Changed EINTR handling in sem_wait slightly. - - Restructure the root marking code. Remove all traces of - USE_GENERIC_PUSH_REGS, and effectively make it the default. - Make it easier to pass a context pointer to the mark routine, in - case we ever want to do precise stack marking. - - Replace GC_start_blocking() and GC_end_blocking() with GC_do_blocking(). - This remains undocumented, and only implemented for pthreads. But it - removes an otherwise unavoidable race with stores of callee-save - registers. - - Fix GC_n_mark_bits for the default MARK_BIT_PER_GRANULE case. This - resulted in bogus complaints in heap dumps. - - Upgrade to libatomic_ops-1.0, and update build structure to match. - - Remove SRC_M3 support. Clean up lock initialization code in misc.c. - - Removed gc_local_alloc.h. If THREAD_LOCAL_ALLOC is defined, the - thread local allocation routines are now called automatically. - - Renamed gc_inl.h back to gc_inline.h. Changed the interface appreciably - since locking has turned into a dominant issue, and in-line allocation - only makes sense if it's no worse than thread-local allocation. - Gc_inline.h is now also used to implement thread-local allocation. - - Finished replacing stubborn allocation with manual write barrier. - Untested. - - Use thread-local allocation code by default. - - Added GC_register_my_thread and friends for Posix and win32. - - Patch for GWW_VDB from Ben Hutchings. - - Removed explicit THREAD_LOCAL_ALLOC tests, since that now always - redefines GC_malloc. - - Removed now unused AIX memory allocation code. - - Various minor fixes for bugs introduced in 7.0alpha1. - -Since gc7.0alpha2 - - Added support for dlopen-based interception of pthread functions. - This is only half done. The gc.h redefinitions currently interfere. - - Integrated major automake overhaul from Petter Urkedal. - -Since gc7.0alpha3 - (various 6.5, 6.6 changes) - - Removed GC_brief_async_signal_safe_sleep and used atomic_ops instead. - (Thanks to Ben Maurer.) - - Integrated build patches from David Angelocola and Petter Urkedal. - - Fix dynamic-linker-based pthread call redirection. - - Renamed RS6000 to POWERPC/AIX. - - Allow recovery from SIGSEGV in marker on Linux. This works around - a race in thread stack marking if /proc is used to find roots. We do - that by default with malloc redirection and threads. This involved - moving some GC_find_limit and SETJMP related declarations to gc_priv.h. - - Added doc/porting.html file. - - Added ADD_HEAP_GUARD_PAGES for sbrk/*nix platforms to debug extreme - memory overwrite errors. - - Added trivial NO_INCREMENTAL flag to facilitate debugging. - - Added GC_getattr_np-based GC_get_stack_base (untested). - - Separated thread local allocation into a separate file and added the - beginning of win32 support for that. - -Since gc7.0alpha4 - (more 6.6, 6.7 changes) - - Some Solaris fixes, including some more general changes in how - the assembly pieces of mach_dep.c are handled. - - Removed a lot of SOLARIS_THREADS-specific code that was only - needed with the old implementation. This included many (mostly no-op) - versions of GC_is_fresh. - - Don't use atomic_ops in gc_locks.h unless we need threads. - - Fixed USE_MARK_BITS, which is once againthe default without PARALLEL_MARK. - - Removed Solaris GC_INIT hack. It's a workaround for a long dead bug, - and it seemed to be wrong anyway. - - Changed win32_threads.c to require preprocessor-based interception - of thread routines by default. A client call to GC_use_DllMain is - now required to get the old behavior in which DllMain is used to implicitly - register threads. This was doen for uniformity with other platforms, and - because the DllMain solution seemed to require very tricky code which, - at least in the past, imposed hard bounds onthe number of threads. - - Many small changes to make thread support work again on Cygwin. - - Moved definition of allocator lock etc. to pthread_support.c and - win32_threads.c for those two cases. - - Got rid of the FASTLOCK() machinery. It doesn't seem useful on modern - platforms. - - Cleaned up the uncollectable allocation routines, speeding up the - slower paths. The code did enough unnecessary work off the critical path - that the underlying logic was getting hard to extract. - - No longer turn off THREAD_LOCAL_ALLOC with DBG_HDRS_ALL. Indications - are it just works, and I think the reasons for it not working disappeared - a while ago. - - Fixed bugs in hb_n_marks calculation and assertion. - - Don't use __builtin_expect for pre-3.0 gcc. - - Define GWW_VDB only for recent Microsoft tool chains. - - Add overview.html to doc directory. - - Fix NT_STATIC_THREADS_MAKEFILE, various compiler warnings. - - Made thread local allocation sort of work with Cygwin. The code should - be there to deal with other Windows variants, But non-Cygwin Windows - threads need more bug fixes. - -Since gc7.0alpha5 - (more 6.7 changes) - - Declare GC_dump() in gc.h. - - Add --enable-large-config, which just defines the LARGE_CONFIG macro. - - Make GlobalAlloc address alignment a bit more intuitive. (Thanks to - Charles Mills.) - - Use #elif in the definitions of GET_MEM. - - Overhaul porting.html. Remove corresponding text from README. - - Fix typo in DARWIN section of gcconfig.h. - - Fix Darwin thread memory leak. (Thanks to Bruce Mitchener.) - - Update x86 AO_test_and_set implementation to use "=q". - - Add $(EXEEXT) to many tests in tests/tests.am. (Corresponds to a - 6.7 fix, which no longer applied.) - - Fix Darwin/PPC port. - - Fix Cygwin/threads port. - - Fix gcj malloc support. - - For GNU-style make, don't build libatomic_ops unless threads are requested. - This should allow single-threaded builds on platforms which do not - currently support libatomic_ops. - - Clean up and hopefully fix the CFLAGS calculation for GNU build. - (Substantially improves things on HP/UX.) - - Integrated Andrei Polushin's Visual C++ patches. These provide for - stack traces, better C++ debug support, and better log file handling. - Note that these change the location of the log file to a the path of the - executable with a .log extension. To get the old behavior back, define - OLD_WIN32_LOG_FILE. For the time being, I'm checking his project - files and the like into a windows-untested subdirectory. They - are almost certainly already out of date, but better than what we had - before. - - Fixed some win32 threads bugs, and added support for _beginthreadex. - - Fix zero size thread local allocation so that explicit deallocation - works correctly. - - Removed serious bug in GC_malloc_uncollectable(large size). - - Do not try to do thread-local gcj allocation in incremental mode. There - are races in setting up the descriptor. - - Add GC_INIT() to middle.c, fix some more GC_printfn calls. - - Some assertions erroneously used I_HOLD_LOCK() negatively, eventhough - it can now spuriously return TRUE. - - Rename SUNOS5 macro and OS name to SOLARIS and SUNOS5DL to SOLARISDL. - - On Linux and some Un*x variants, allocate memory by first trying sbrk, - and then switching to mmap if that fails. - - Fixed /proc/x/maps reading to deal with asynchronous deletions. - - Fix REDIRECT_MALLOC with threads on Linux. It now usually seems to work - with ugly hacks that include having calloc behave differently when it is - called from ld.so or the pthreads library. A reasonable amount of - infrastructure was added to support some of this. Thanks to Roland McGrath - for ideas and information. - - Import various updated build scripts. - - Add GC_register_has_static_roots_callback. (Thanks to Andrew Haley.) - - Fix serious bugs in GC_malloc_atomic_uncollectable(). - - Return GC_SUCCESS form GC_get_stack_base(). - - Fix several atomic_ops problems on IA64 with HP Compiler. - - Update to atomic_ops-1.2. - - Fix hb_n_marks description and reclaim.c assertion. - - Various additional win32 threads fixes. - - Enable GC_ASSERTIONS for Debug build with NT_THREADS_MAKEFILE. - -[gc7.0alpha7 was released and version bumped to gc7.0alpha8] - -Since first gc7.0alpha8 version: - [ Some gc6.9 changes ] - - Change FindTopOfStack decl in darwin_stop_world.c. - - Move some static tests from misc.c to gcconfig.h. Use #error. - - Add GC_print_free_list() function. (Thanks to Bruce Hoult.) - - Add GC_GNU_THREADS support on HURD. (Thanks to Aleksey Demakov, - Barry DeFreese, and possibly other Debian maintainers.) - - __GNUC__ was misspelled as __GNUC in thread_local_alloc.h. - (Thanks to Peter Wang.) - - Integrated various MacOSX patches and tried to reconcile them. - Thanks to Allan Hsu, several contributers at Apple, and probably - others. - - Added some casts to powerpc.h in libatomic_ops to silence warnings. - -FOR FURTHER UPDATES SEE ../ChangeLog FILE. - -To do: - - REDIRECT_MALLOC and threads combination should work on more platforms, - and needs more testing on Linux. - - Clone marker inner loop to support arch-dependent prefetching, - and counting of objects marked for finalization. - - The USE_MUNMAP code should really use a separate data structure - indexed by physical page to keep track of time since last use of - a page. Using hblk headers means we lose track of ages when - blocks are merged, and we can't unmap pages that have been allocated and - dropped by the blacklisting code. I suspect both of these matter. - - A dynamic libgc.so references dlopen unconditionally, but doesn't link - against libdl. - - GC_proc_fd for Solaris is not correctly updated in response to a - fork() call. Thus incremental collection in the child won't work - correctly. (Thanks to Ben Cottrell for pointing this out.) - - --enable-redirect-malloc is mostly untested and known not to work - on some platforms. - - There seem to be outstanding issues on Solaris/X86, possibly with - finding the data segment starting address. Information/patches would - be appreciated. - - Very large root set sizes (> 16 MB or so) could cause the collector - to abort with an unexpected mark stack overflow. (Thanks again to - Peter Chubb.) NOT YET FIXED. Workaround is to increase the initial - size. - - The SGI version of the collector marks from mmapped pages, even - if they are not part of dynamic library static data areas. This - causes performance problems with some SGI libraries that use mmap - as a bitmap allocator. NOT YET FIXED. It may be possible to turn - off DYNAMIC_LOADING in the collector as a workaround. It may also - be possible to conditionally intercept mmap and use GC_exclude_static_roots. - The real fix is to walk rld data structures, which looks possible. - - Incremental collector should handle large objects better. Currently, - it looks like the whole object is treated as dirty if any part of it - is. - -FOR FURTHER UPDATES SEE ../ChangeLog FILE. diff --git a/vendor/gc/doc/README.contributors b/vendor/gc/doc/README.contributors deleted file mode 100644 index fd5c95f..0000000 --- a/vendor/gc/doc/README.contributors +++ /dev/null @@ -1,57 +0,0 @@ -This is an attempt to acknowledge early contributions to the garbage -collector. Later contributions should instead be mentioned in -README.changes. - -HISTORY - - - Early versions of this collector were developed as a part of research -projects supported in part by the National Science Foundation -and the Defense Advance Research Projects Agency. - -The garbage collector originated as part of the run-time system for -the Russell programming language implementation. The first version of the -garbage collector was written primarily by Al Demers. It was then refined -and mostly rewritten, primarily by Hans-J. Boehm, at Cornell U., -the University of Washington, Rice University (where it was first used for -C and assembly code), Xerox PARC, SGI, and HP Labs. However, significant -contributions have also been made by many others. - -Some other contributors: - -More recent contributors are mentioned in the modification history in -README.changes. My apologies for any omissions. - -The SPARC specific code was originally contributed by Mark Weiser. -The Encore Multimax modifications were supplied by -Kevin Kenny (kenny@m.cs.uiuc.edu). The adaptation to the IBM PC/RT is largely -due to Vernon Lee, on machines made available to Rice by IBM. -Much of the HP specific code and a number of good suggestions for improving the -generic code are due to Walter Underwood. -Robert Brazile (brazile@diamond.bbn.com) originally supplied the ULTRIX code. -Al Dosser (dosser@src.dec.com) and Regis Cridlig (Regis.Cridlig@cl.cam.ac.uk) -subsequently provided updates and information on variation between ULTRIX -systems. Parag Patel (parag@netcom.com) supplied the A/UX code. -Jesper Peterson(jep@mtiame.mtia.oz.au), Michel Schinz, and -Martin Tauchmann (martintauchmann@bigfoot.com) supplied the Amiga port. -Thomas Funke (thf@zelator.in-berlin.de(?)) and -Brian D.Carlstrom (bdc@clark.lcs.mit.edu) supplied the NeXT ports. -Douglas Steel (doug@wg.icl.co.uk) provided ICL DRS6000 code. -Bill Janssen (janssen@parc.xerox.com) supplied the SunOS dynamic loader -specific code. Manuel Serrano (serrano@cornas.inria.fr) supplied linux and -Sony News specific code. Al Dosser provided Alpha/OSF/1 code. He and -Dave Detlefs(detlefs@src.dec.com) also provided several generic bug fixes. -Alistair G. Crooks(agc@uts.amdahl.com) supplied the NetBSD and 386BSD ports. -Jeffrey Hsu (hsu@soda.berkeley.edu) provided the FreeBSD port. -Brent Benson (brent@jade.ssd.csd.harris.com) ported the collector to -a Motorola 88K processor running CX/UX (Harris NightHawk). -Ari Huttunen (Ari.Huttunen@hut.fi) generalized the OS/2 port to -nonIBM development environments (a nontrivial task). -Patrick Beard (beard@cs.ucdavis.edu) provided the initial MacOS port. -David Chase, then at Olivetti Research, suggested several improvements. -Scott Schwartz (schwartz@groucho.cse.psu.edu) supplied some of the -code to save and print call stacks for leak detection on a SPARC. -Jesse Hull and John Ellis supplied the C++ interface code. -Zhong Shao performed much of the experimentation that led to the -current typed allocation facility. (His dynamic type inference code hasn't -made it into the released version of the collector, yet.) - diff --git a/vendor/gc/doc/README.cords b/vendor/gc/doc/README.cords deleted file mode 100644 index 3485e01..0000000 --- a/vendor/gc/doc/README.cords +++ /dev/null @@ -1,53 +0,0 @@ -Copyright (c) 1993-1994 by Xerox Corporation. All rights reserved. - -THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - -Permission is hereby granted to use or copy this program -for any purpose, provided the above notices are retained on all copies. -Permission to modify the code and to distribute modified code is granted, -provided the above notices are retained, and a notice that the code was -modified is included with the above copyright notice. - -Please send bug reports to Hans-J. Boehm (Hans_Boehm@hp.com or -boehm@acm.org). - -This is a string packages that uses a tree-based representation. -See cord.h for a description of the functions provided. Ec.h describes -"extensible cords", which are essentially output streams that write -to a cord. These allow for efficient construction of cords without -requiring a bound on the size of a cord. - -More details on the data structure can be found in - -Boehm, Atkinson, and Plass, "Ropes: An Alternative to Strings", -Software Practice and Experience 25, 12, December 1995, pp. 1315-1330. - -A fundamentally similar "rope" data structure is also part of SGI's standard -template library implementation, and its descendents, which include the -GNU C++ library. That uses reference counting by default. -There is a short description of that data structure at -http://reality.sgi.com/boehm/ropeimpl.html . (The more official location -http://www.sgi.com/tech/stl/ropeimpl.html is missing a figure.) - -All of these are descendents of the "ropes" in Xerox Cedar. - -de.c is a very dumb text editor that illustrates the use of cords. -It maintains a list of file versions. Each version is simply a -cord representing the file contents. Nonetheless, standard -editing operations are efficient, even on very large files. -(Its 3 line "user manual" can be obtained by invoking it without -arguments. Note that ^R^N and ^R^P move the cursor by -almost a screen. It does not understand tabs, which will show -up as highlighred "I"s. Use the UNIX "expand" program first.) -To build the editor, type "make cord/de" in the gc directory. - -This package assumes an ANSI C compiler such as gcc. It will -not compile with an old-style K&R compiler. - -Note that CORD_printf iand friends use C functions with variable numbers -of arguments in non-standard-conforming ways. This code is known to -break on some platforms, notably PowerPC. It should be possible to -build the remainder of the library (everything but cordprnt.c) on -any platform that supports the collector. - diff --git a/vendor/gc/doc/README.darwin b/vendor/gc/doc/README.darwin deleted file mode 100644 index b413ff3..0000000 --- a/vendor/gc/doc/README.darwin +++ /dev/null @@ -1,142 +0,0 @@ -Darwin/MacOSX Support - December 16, 2003 -========================================= - -Important Usage Notes -===================== - -GC_init() MUST be called before calling any other GC functions. This -is necessary to properly register segments in dynamic libraries. This -call is required even if you code does not use dynamic libraries as the -dyld code handles registering all data segments. - -When your use of the garbage collector is confined to dylibs and you -cannot call GC_init() before your libraries' static initializers have -run and perhaps called GC_malloc(), create an initialization routine -for each library to call GC_init(): - -#include -extern "C" void my_library_init() { GC_init(); } - -Compile this code into a my_library_init.o, and link it into your -dylib. When you link the dylib, pass the -init argument with -_my_library_init (e.g. gcc -dynamiclib -o my_library.dylib a.o b.o c.o -my_library_init.o -init _my_library_init). This causes -my_library_init() to be called before any static initializers, and -will initialize the garbage collector properly. - -Note: It doesn't hurt to call GC_init() more than once, so it's best, -if you have an application or set of libraries that all use the -garbage collector, to create an initialization routine for each of -them that calls GC_init(). Better safe than sorry. - -The incremental collector is still a bit flaky on darwin. It seems to -work reliably with workarounds for a few possible bugs in place however -these workaround may not work correctly in all cases. There may also -be additional problems that I have not found. - -Thread-local GC allocation will not work with threads that are not -created using the GC-provided override of pthread_create(). Threads -created without the GC-provided pthread_create() do not have the -necessary data structures in the GC to store this data. - - -Implementation Information -========================== -Darwin/MacOSX support is nearly complete. Thread support is reliable on -Darwin 6.x (MacOSX 10.2) and there have been reports of success on older -Darwin versions (MacOSX 10.1). Shared library support had also been -added and the gc can be run from a shared library. There is currently only -support for Darwin/PPC although adding x86 support should be trivial. - -Thread support is implemented in terms of mach thread_suspend and -thread_resume calls. These provide a very clean interface to thread -suspension. This implementation doesn't rely on pthread_kill so the -code works on Darwin < 6.0 (MacOSX 10.1). All the code to stop and -start the world is located in darwin_stop_world.c. - -Since not all uses of the GC enable clients to override pthread_create() -before threads have been created, the code for stopping the world has -been rewritten to look for threads using Mach kernel calls. Each -thread identified in this way is suspended and resumed as above. In -addition, since Mach kernel threads do not contain pointers to their -stacks, a stack-walking function has been written to find the stack -limits. Given an initial stack pointer (for the current thread, a -pointer to a stack-allocated local variable will do; for a non-active -thread, we grab the value of register 1 (on PowerPC)), it -will walk the PPC Mach-O-ABI compliant stack chain until it reaches the -top of the stack. This appears to work correctly for GCC-compiled C, -C++, Objective-C, and Objective-C++ code, as well as for Java -programs that use JNI. If you run code that does not follow the stack -layout or stack pointer conventions laid out in the PPC Mach-O ABI, -then this will likely crash the garbage collector. - -The original incremental collector support unfortunatelly no longer works -on recent Darwin versions. It also relied on some undocumented kernel -structures. Mach, however, does have a very clean interface to exception -handing. The current implementation uses Mach's exception handling. - -Much thanks goes to Andrew Stone, Dietmar Planitzer, Andrew Begel, -Jeff Sturm, and Jesse Rosenstock for all their work on the -Darwin/OS X port. - --Brian Alliet -brian@brianweb.net - -gc_cpp.h usage -============== - -Replacement of operator new and delete is apparently not supported with -dynamic libraries. This means that applications using gc_cpp.h -(including the built-in test) will probably not work correctly with -the collector in a dynamic library, unless special care is taken. - -See -http://article.gmane.org/gmane.comp.programming.garbage-collection.boehmgc/1421 -for some details. - -- Hans Boehm (based on information from Andrew Begel) - - -Older Information (Most of this no longer applies to the current code) -====================================================================== - -While the GC should work on MacOS X Server, MacOS X and Darwin, I only tested -it on MacOS X Server. -I've added a PPC assembly version of GC_push_regs(), thus the setjmp() hack is -no longer necessary. Incremental collection is supported via mprotect/signal. -The current solution isn't really optimal because the signal handler must decode -the faulting PPC machine instruction in order to find the correct heap address. -Further, it must poke around in the register state which the kernel saved away -in some obscure register state structure before it calls the signal handler - -needless to say the layout of this structure is no where documented. -Threads and dynamic libraries are not yet supported (adding dynamic library -support via the low-level dyld API shouldn't be that hard). - -The original MacOS X port was brought to you by Andrew Stone. - - -June, 1 2000 - -Dietmar Planitzer -dave.pl@ping.at - -Note from Andrew Begel: - -One more fix to enable gc.a to link successfully into a shared library for -MacOS X. You have to add -fno-common to the CFLAGS in the Makefile. MacOSX -disallows common symbols in anything that eventually finds its way into a -shared library. (I don't completely understand why, but -fno-common seems to -work and doesn't mess up the garbage collector's functionality). - -Feb 26, 2003 - -Jeff Sturm and Jesse Rosenstock provided a patch that adds thread support. -GC_MACOSX_THREADS should be defined in the build and in clients. Real -dynamic library support is still missing, i.e. dynamic library data segments -are still not scanned. Code that stores pointers to the garbage collected -heap in statically allocated variables should not reside in a dynamic -library. This still doesn't appear to be 100% reliable. - -Mar 10, 2003 -Brian Alliet contributed dynamic library support for MacOSX. It could also -use more testing. diff --git a/vendor/gc/doc/README.dj b/vendor/gc/doc/README.dj deleted file mode 100644 index 613bc42..0000000 --- a/vendor/gc/doc/README.dj +++ /dev/null @@ -1,12 +0,0 @@ -[Original version supplied by Xiaokun Zhu ] -[This version came mostly from Gary Leavens. ] - -Look first at Makefile.dj, and possibly change the definitions of -RM and MV if you don't have rm and mv installed. -Then use Makefile.dj to compile the garbage collector. -For example, you can do: - - make -f Makefile.dj test - -All the tests should work fine. - diff --git a/vendor/gc/doc/README.environment b/vendor/gc/doc/README.environment deleted file mode 100644 index d50d370..0000000 --- a/vendor/gc/doc/README.environment +++ /dev/null @@ -1,135 +0,0 @@ -The garbage collector looks at a number of environment variables which are -then used to affect its operation. These are examined only on Un*x-like -platforms and win32. - -GC_INITIAL_HEAP_SIZE= - Initial heap size in bytes. May speed up - process start-up. - -GC_MAXIMUM_HEAP_SIZE= - Maximum collected heap size. - -GC_LOOP_ON_ABORT - Causes the collector abort routine to enter a tight loop. - This may make it easier to debug, such a process, especially - for multithreaded platforms that don't produce usable core - files, or if a core file would be too large. On some - platforms, this also causes SIGSEGV to be caught and - result in an infinite loop in a handler, allowing - similar debugging techniques. - -GC_PRINT_STATS - Turn on GC logging. Not functional with -DSMALL_CONFIG. - -GC_LOG_FILE - The name of the log file. Stderr by default. - -GC_PRINT_VERBOSE_STATS - Turn on even more logging. - -GC_DUMP_REGULARLY - Generate a GC debugging dump GC_dump() on startup - and during every collection. Very verbose. Useful - if you have a bug to report, but please include only the - last complete dump. - -GC_BACKTRACES= - Generate n random backtraces (for heap profiling) after - each GC. Collector must have been built with - KEEP_BACK_PTRS. This won't generate useful output unless - most objects in the heap were allocated through debug - allocators. This is intended to be only a statistical - sample; individual traces may be erroneous due to - concurrent heap mutation. - -GC_PRINT_ADDRESS_MAP - Linux only. Dump /proc/self/maps, i.e. various address - maps for the process, to stderr on every GC. Useful for - mapping root addresses to source for deciphering leak - reports. - -GC_NPROCS= - Linux w/threads only. Explicitly sets the number of processors - that the GC should expect to use. Note that setting this to 1 - when multiple processors are available will preserve - correctness, but may lead to really horrible performance, - since the lock implementation will immediately yield without - first spinning. - -GC_MARKERS= - Linux w/threads and parallel marker only. Set the number - of marker threads. This is normally set to the number of - processors. It is safer to adjust GC_MARKERS than GC_NPROCS, - since GC_MARKERS has no impact on the lock implementation. - -GC_NO_BLACKLIST_WARNING - Prevents the collector from issuing - warnings about allocations of very large blocks. - Deprecated. Use GC_LARGE_ALLOC_WARN_INTERVAL instead. - -GC_LARGE_ALLOC_WARN_INTERVAL= - Print every nth warning about very large - block allocations, starting with the nth one. Small values - of n are generally benign, in that a bounded number of - such warnings generally indicate at most a bounded leak. - For best results it should be set at 1 during testing. - Default is 5. Very large numbers effectively disable the - warning. - -GC_IGNORE_GCJ_INFO - Ignore the type descriptors implicitly supplied by - GC_gcj_malloc and friends. This is useful for debugging - descriptor generation problems, and possibly for - temporarily working around such problems. It forces a - fully conservative scan of all heap objects except - those known to be pointerfree, and may thus have other - adverse effects. - -GC_PRINT_BACK_HEIGHT - Print max length of chain through unreachable objects - ending in a reachable one. If this number remains - bounded, then the program is "GC robust". This ensures - that a fixed number of misidentified pointers can only - result in a bounded space leak. This currently only - works if debugging allocation is used throughout. - It increases GC space and time requirements appreciably. - This feature is still somewhat experimental, and requires - that the collector have been built with MAKE_BACK_GRAPH - defined. For details, see Boehm, "Bounding Space Usage - of Conservative Garbage Collectors", POPL 2001, or - http://lib.hpl.hp.com/techpubs/2001/HPL-2001-251.html . - -GC_RETRY_SIGNALS, GC_NO_RETRY_SIGNALS - Try to compensate for lost - thread suspend signals in linux_threads.c. On by - default for GC_OSF1_THREADS, off otherwise. Note - that this does not work around a possible loss of - thread restart signals. This seems to be necessary for - some versions of Tru64. Since we've previously seen - similar issues on some other operating systems, it - was turned into a runtime flag to enable last-minute - work-arounds. - -The following turn on runtime flags that are also program settable. Checked -only during initialization. We expect that they will usually be set through -other means, but this may help with debugging and testing: - -GC_ENABLE_INCREMENTAL - Turn on incremental collection at startup. Note that, - depending on platform and collector configuration, this - may involve write protecting pieces of the heap to - track modifications. These pieces may include pointerfree - objects or not. Although this is intended to be - transparent, it may cause unintended system call failures. - Use with caution. - -GC_PAUSE_TIME_TARGET - Set the desired garbage collector pause time in msecs. - This only has an effect if incremental collection is - enabled. If a collection requires appreciably more time - than this, the client will be restarted, and the collector - will need to do additional work to compensate. The - special value "999999" indicates that pause time is - unlimited, and the incremental collector will behave - completely like a simple generational collector. If - the collector is configured for parallel marking, and - run on a multiprocessor, incremental collection should - only be used with unlimited pause time. - -GC_FIND_LEAK - Turns on GC_find_leak and thus leak detection. Forces a - collection at program termination to detect leaks that would - otherwise occur after the last GC. - -GC_ALL_INTERIOR_POINTERS - Turns on GC_all_interior_pointers and thus interior - pointer recognition. - -GC_DONT_GC - Turns off garbage collection. Use cautiously. - -GC_TRACE=addr - Intended for collector debugging. Requires that the collector - have been built with ENABLE_TRACE defined. Causes the debugger - to log information about the tracing of address ranges containing - addr. Typically addr is the address that contains a pointer to - an object that mysteriously failed to get marked. Addr must be - specified as a hexadecimal integer. diff --git a/vendor/gc/doc/README.ews4800 b/vendor/gc/doc/README.ews4800 deleted file mode 100644 index 80bca2b..0000000 --- a/vendor/gc/doc/README.ews4800 +++ /dev/null @@ -1,81 +0,0 @@ -GC on EWS4800 -------------- - -1. About EWS4800 - EWS4800 is 32bit/64bit workstation. - - Vender: NEC Corporation - OS: UX/4800 R9.* - R13.* (SystemV R4.2) - CPU: R4000, R4400, R10000 (MIPS) - -2. Compiler - - 32bit: - Use ANSI C compiler. - CC = /usr/abiccs/bin/cc - - 64bit: - Use 64bit ANSI C compiler. - CC = /usr/ccs64/bin/cc - AR = /usr/ccs64/bin/ar - -3. ELF file format - *** Caution: The following infomation is empirical. *** - - 32bit: - ELF file has an unique format. (See a.out(4) and end(3C).) - - &_start - : text segment - &etext - DATASTART - : data segment (initialized) - &edata - DATASTART2 - : data segment (uninitialized) - &end - - Here, DATASTART and DATASTART2 are macros of GC, and are defined as - the following equations. (See include/private/gcconfig.h.) - The algorithm for DATASTART is similar with the function - GC_SysVGetDataStart() in os_dep.c. - - DATASTART = ((&etext + 0x3ffff) & ~0x3ffff) + (&etext & 0xffff) - - Dynamically linked: - DATASTART2 = (&_gp + 0x8000 + 0x3ffff) & ~0x3ffff - - Statically linked: - DATASTART2 = &edata - - GC has to check addresses both between DATASTART and &edata, and - between DATASTART2 and &end. If a program accesses between &etext - and DATASTART, or between &edata and DATASTART2, the segmentation - error occurs and the program stops. - - If a program is statically linked, there is not a gap between - &edata and DATASTART2. The global symbol &_DYNAMIC_LINKING is used - for the detection. - - 64bit: - ELF file has a simple format. (See end(3C).) - - _ftext - : text segment - _etext - _fdata = DATASTART - : data segment (initialized) - _edata - _fbss - : data segment (uninitialized) - _end = DATAEND - --- -Hironori SAKAMOTO - - -When using the new "configure; make" build process, please -run configure with the --disable-shared option. "Make check" does not -yet pass with dynamic libraries. Ther reasons for that are not yet -understood. (HB, paraphrasing message from Hironori SAKAMOTO.) - diff --git a/vendor/gc/doc/README.hp b/vendor/gc/doc/README.hp deleted file mode 100644 index caa8bdd..0000000 --- a/vendor/gc/doc/README.hp +++ /dev/null @@ -1,18 +0,0 @@ -Dynamic loading support requires that executables be linked with -ldld. -The alternative is to build the collector without defining DYNAMIC_LOADING -in gcconfig.h and ensuring that all garbage collectable objects are -accessible without considering statically allocated variables in dynamic -libraries. - -The collector should compile with either plain cc or cc -Ae. Cc -Aa -fails to define _HPUX_SOURCE and thus will not configure the collector -correctly. - -Incremental collection support was reccently added, and should now work. - -In spite of past claims, pthread support under HP/UX 11 should now work. -Define GC_HPUX_THREADS for the build. Incremental collection still does not -work in combination with it. - -The stack finding code can be confused by putenv calls before collector -initialization. Call GC_malloc or GC_init before any putenv calls. diff --git a/vendor/gc/doc/README.linux b/vendor/gc/doc/README.linux deleted file mode 100644 index 3c50181..0000000 --- a/vendor/gc/doc/README.linux +++ /dev/null @@ -1,131 +0,0 @@ -See README.alpha for Linux on DEC AXP info. - -This file applies mostly to Linux/Intel IA32. Ports to Linux on an M68K, IA64, -SPARC, MIPS, Alpha and PowerPC are also integrated. They should behave -similarly, except that the PowerPC port lacks incremental GC support, and -it is unknown to what extent the Linux threads code is functional. -See below for M68K specific notes. - -Incremental GC is generally supported. - -Dynamic libraries are supported on an ELF system. A static executable -should be linked with the gcc option "-Wl,-defsym,_DYNAMIC=0". - -The collector appears to work reliably with Linux threads, but beware -of older versions of glibc and gdb. - -The garbage collector uses SIGPWR and SIGXCPU if it is used with -Linux threads. These should not be touched by the client program. - -To use threads, you need to abide by the following requirements: - -1) You need to use LinuxThreads or NPTL (which are included in libc6). - - The collector relies on some implementation details of the LinuxThreads - package. This code may not work on other - pthread implementations (in particular it will *not* work with - MIT pthreads). - -2) You must compile the collector with -DGC_LINUX_THREADS (or - just -DGC_THREADS) and -D_REENTRANT specified in the Makefile. - -3a) Every file that makes thread calls should define GC_LINUX_THREADS and - _REENTRANT and then include gc.h. Gc.h redefines some of the - pthread primitives as macros which also provide the collector with - information it requires. - -3b) A new alternative to (3a) is to build the collector and compile GC clients - with -DGC_USE_LD_WRAP, and to link the final program with - - (for ld) --wrap read --wrap dlopen --wrap pthread_create \ - --wrap pthread_join --wrap pthread_detach \ - --wrap pthread_sigmask --wrap sleep - - (for gcc) -Wl,--wrap -Wl,read -Wl,--wrap -Wl,dlopen -Wl,--wrap \ - -Wl,pthread_create -Wl,--wrap -Wl,pthread_join -Wl,--wrap \ - -Wl,pthread_detach -Wl,--wrap -Wl,pthread_sigmask \ - -Wl,--wrap -Wl,sleep - - In any case, _REENTRANT should be defined during compilation. - -4) Dlopen() disables collection during its execution. (It can't run - concurrently with the collector, since the collector looks at its - data structures. It can't acquire the allocator lock, since arbitrary - user startup code may run as part of dlopen().) Under unusual - conditions, this may cause unexpected heap growth. - -5) The combination of GC_LINUX_THREADS, REDIRECT_MALLOC, and incremental - collection is probably not fully reliable, though it now seems to work - in simple cases. - -6) Thread local storage may not be viewed as part of the root set by the - collector. This probably depends on the linuxthreads version. For the - time being, any collectable memory referenced by thread local storage should - also be referenced from elsewhere, or be allocated as uncollectable. - (This is really a bug that should be fixed somehow. The current GC - version probably gets things right if there are not too many tls locations - and if dlopen is not used.) - - -M68K LINUX: -(From Richard Zidlicky) -The bad news is that it can crash every linux-m68k kernel on a 68040, -so an additional test is needed somewhere on startup. I have meanwhile -patches to correct the problem in 68040 buserror handler but it is not -yet in any standard kernel. - -Here is a simple test program to detect whether the kernel has the -problem. It could be run as a separate check in configure or tested -upon startup. If it fails (return !0) than mprotect can't be used -on that system. - -/* - * test for bug that may crash 68040 based Linux - */ - -#include -#include -#include -#include -#include - - -char *membase; -int pagesize=4096; -int pageshift=12; -int x_taken=0; - -int sighandler(int sig) -{ - mprotect(membase,pagesize,PROT_READ|PROT_WRITE); - x_taken=1; -} - -main() -{ - long l; - - signal(SIGSEGV,sighandler); - l=(long)mmap(NULL,pagesize,PROT_READ,MAP_PRIVATE | MAP_ANON,-1,0); - if (l==-1) - { - perror("mmap/malloc"); - abort(); - } - membase=(char*)l; - *(long*)(membase+sizeof(long))=123456789; - if (*(long*)(membase+sizeof(long)) != 123456789 ) - { - fprintf(stderr,"writeback failed !\n"); - exit(1); - } - if (!x_taken) - { - fprintf(stderr,"exception not taken !\n"); - exit(1); - } - fprintf(stderr,"vmtest Ok\n"); - exit(0); -} - - diff --git a/vendor/gc/doc/README.macros b/vendor/gc/doc/README.macros deleted file mode 100644 index 1481c37..0000000 --- a/vendor/gc/doc/README.macros +++ /dev/null @@ -1,92 +0,0 @@ -The collector uses a large amount of conditional compilation in order to -deal with platform dependencies. This violates a number of known coding -standards. On the other hand, it seems to be the only practical way to -support this many platforms without excessive code duplication. - -A few guidelines have mostly been followed in order to keep this manageable: - -1) #if and #ifdef directives are properly indented whenever easily possible. -All known C compilers allow whitespace between the "#" and the "if" to make -this possible. ANSI C also allows white space before the "#", though we -avoid that. It has the known disadvantages that it differs from the normal -GNU conventions, and that it makes patches larger than otherwise necessary. -In my opinion, it's still well worth it, for the same reason that we indent -ordinary "if" statements. - -2) Whenever possible, tests are performed on the macros defined in gcconfig.h -instead of directly testing patform-specific predefined macros. This makes it -relatively easy to adapt to new compilers with a different set of predefined -macros. Currently these macros generally identify platforms instead of -features. In many cases, this is a mistake. - -Many of the tested configuration macros are at least somewhat defined in -either include/private/gcconfig.h or in Makefile.direct. Here is an attempt -at defining some of the remainder: (Thanks to Walter Bright for suggesting -this. This is a work in progress) - -MACRO EXPLANATION ------ ----------- - -GC_DEBUG Tested by gc.h. Causes all-upper-case macros to - expand to calls to debug versions of collector routines. - -GC_NO_THREAD_REDIRECTS Tested by gc.h. Prevents redirection of thread - creation routines etc. to GC_ versions. Requires the - programmer to explicitly handle thread registration. - -GC_NO_THREAD_DECLS Tested by gc.h. MS Windows only. Do not declare - Windows thread creation routines and do not include windows.h. - -__DMC__ Always #define'd by the Digital Mars compiler. Expands - to the compiler version number in hex, i.e. 0x810 is - version 8.1b0 - -_ENABLE_ARRAYNEW - #define'd by the Digital Mars C++ compiler when - operator new[] and delete[] are separately - overloadable. Used in gc_cpp.h. - -_MSC_VER Expands to the Visual C++ compiler version. Assumed to - not be defined for other compilers (at least if they behave - appreciably differently). - -_DLL Defined by Visual C++ if dynamic libraries are being built - or used. Used to test whether __declspec(dllimport) or - __declspec(dllexport) needs to be added to declarations - to support the case in which the collector is in a dll. - -GC_DLL User-settable macro that forces the effect of _DLL. Set - by gc.h if _DLL is defined and GC_NOT_DLL is undefined. - This is the macro that is tested internally to determine - whether the GC is in its own dynamic library. May need - to be set by clients before including gc.h. Note that - inside the GC implementation it indicates that the - collector is in its own dynamic library, should export - its symbols, etc. But in clients it indicates that the - GC resides in a different DLL, its entry points should - be referenced accordingly, and precautions may need to - be taken to properly deal with statically allocated - variables in the main program. Used only for MS Windows. - -GC_NOT_DLL User-settable macro that overrides _DLL, e.g. if dynamic - libraries are used, but the collector is in a static library. - -__STDC__ Assumed to be defined only by compilers that understand - prototypes and other C89 features. Its value is generally - not used, since we are fine with most nonconforming extensions. - -SUNOS5SIGS Solaris-like signal handling. This is probably misnamed, - since it really doesn't guarantee much more than Posix. - Currently set only for Solaris2.X, HPUX, and DRSNX. Should - probably be set for some other platforms. - -PCR Set if the collector is being built as part of the Xerox - Portable Common Runtime. - -USE_COMPILER_TLS Assume the existence of __thread-style thread-local - storage. Set automatically for thread-local allocation with - the HP/UX vendor compiler. Usable with gcc on sufficiently - up-to-date ELF platforms. - - - diff --git a/vendor/gc/doc/README.rs6000 b/vendor/gc/doc/README.rs6000 deleted file mode 100644 index f5630b2..0000000 --- a/vendor/gc/doc/README.rs6000 +++ /dev/null @@ -1,9 +0,0 @@ -We have so far failed to find a good way to determine the stack base. -It is highly recommended that GC_stackbottom be set explicitly on program -startup. The supplied value sometimes causes failure under AIX 4.1, though -it appears to work under 3.X. HEURISTIC2 seems to work under 4.1, but -involves a substantial performance penalty, and will fail if there is -no limit on stack size. - -There is no thread support. (I assume recent versions of AIX provide -pthreads? I no longer have access to a machine ...) diff --git a/vendor/gc/doc/README.sgi b/vendor/gc/doc/README.sgi deleted file mode 100644 index 7bdb50a..0000000 --- a/vendor/gc/doc/README.sgi +++ /dev/null @@ -1,41 +0,0 @@ -Performance of the incremental collector can be greatly enhanced with --DNO_EXECUTE_PERMISSION. - -The collector should run with all of the -32, -n32 and -64 ABIs. Remember to -define the AS macro in the Makefile to be "as -64", or "as -n32". - -If you use -DREDIRECT_MALLOC=GC_malloc with C++ code, your code should make -at least one explicit call to malloc instead of new to ensure that the proper -version of malloc is linked in. - -Sproc threads are not supported in this version, though there may exist other -ports. - -Pthreads support is provided. This requires that: - -1) You compile the collector with -DGC_IRIX_THREADS specified in the Makefile. - -2) You have the latest pthreads patches installed. - -(Though the collector makes only documented pthread calls, -it relies on signal/threads interactions working just right in ways -that are not required by the standard. It is unlikely that this code -will run on other pthreads platforms. But please tell me if it does.) - -3) Every file that makes thread calls should define IRIX_THREADS and then -include gc.h. Gc.h redefines some of the pthread primitives as macros which -also provide the collector with information it requires. - -4) pthread_cond_wait and pthread_cond_timed_wait should be prepared for -premature wakeups. (I believe the pthreads and realted standards require this -anyway. Irix pthreads often terminate a wait if a signal arrives. -The garbage collector uses signals to stop threads.) - -5) It is expensive to stop a thread waiting in IO at the time the request is -initiated. Applications with many such threads may not exhibit acceptable -performance with the collector. (Increasing the heap size may help.) - -6) The collector should not be compiled with -DREDIRECT_MALLOC. This -confuses some library calls made by the pthreads implementation, which -expect the standard malloc. - diff --git a/vendor/gc/doc/README.solaris2 b/vendor/gc/doc/README.solaris2 deleted file mode 100644 index 7362034..0000000 --- a/vendor/gc/doc/README.solaris2 +++ /dev/null @@ -1,64 +0,0 @@ -The collector supports both incremental collection and threads under -Solaris 2. The incremental collector normally retrieves page dirty information -through the appropriate /proc calls. But it can also be configured -(by defining MPROTECT_VDB instead of PROC_VDB in gcconfig.h) to use mprotect -and signals. This may result in shorter pause times, but it is no longer -safe to issue arbitrary system calls that write to the heap. - -Under other UNIX versions, -the collector normally obtains memory through sbrk. There is some reason -to expect that this is not safe if the client program also calls the system -malloc, or especially realloc. The sbrk man page strongly suggests this is -not safe: "Many library routines use malloc() internally, so use brk() -and sbrk() only when you know that malloc() definitely will not be used by -any library routine." This doesn't make a lot of sense to me, since there -seems to be no documentation as to which routines can transitively call malloc. -Nonetheless, under Solaris2, the collector now (since 4.12) allocates -memory using mmap by default. (It defines USE_MMAP in gcconfig.h.) -You may want to reverse this decisions if you use -DREDIRECT_MALLOC=... - - -SOLARIS THREADS: - -The collector must be compiled with -DGC_SOLARIS_THREADS (thr_ functions) -or -DGC_THREADS to be thread safe. This assumes use of the pthread_ -interface. Old style Solaris threads are no longer supported. - -It is also essential that gc.h be included in files that call thr_create, -thr_join, thr_suspend, thr_continue, or dlopen. Gc.h macro defines -these to also do GC bookkeeping, etc. Gc.h must be included with -one or both of these macros defined, otherwise -these replacements are not visible. -A collector built in this way way only be used by programs that are -linked with the threads library. - -Since 5.0 alpha5, dlopen disables collection temporarily, -unless USE_PROC_FOR_LIBRARIES is defined. In some unlikely cases, this -can result in unpleasant heap growth. But it seems better than the -race/deadlock issues we had before. - -If solaris_threads are used on an X86 processor with malloc redirected to -GC_malloc, it is necessary to call GC_thr_init explicitly before forking the -first thread. (This avoids a deadlock arising from calling GC_thr_init -with the allocation lock held.) - -It appears that there is a problem in using gc_cpp.h in conjunction with -Solaris threads and Sun's C++ runtime. Apparently the overloaded new operator -is invoked by some iostream initialization code before threads are correctly -initialized. As a result, call to thr_self() in garbage collector -initialization segfaults. Currently the only known workaround is to not -invoke the garbage collector from a user defined global operator new, or to -have it invoke the garbage-collector's allocators only after main has started. -(Note that the latter requires a moderately expensive test in operator -delete.) - -I encountered "symbol : offet .... is non-aligned" errors. These -appear to be traceable to the use of the GNU assembler with the Sun linker. -The former appears to generate a relocation not understood by the latter. -The fix appears to be to use a consistent tool chain. (As a non-Solaris-expert -my solution involved hacking the libtool script, but I'm sure you can -do something less ugly.) - -Hans-J. Boehm -(The above contains my personal opinions, which are probably not shared -by anyone else.) diff --git a/vendor/gc/doc/README.uts b/vendor/gc/doc/README.uts deleted file mode 100644 index 6be4966..0000000 --- a/vendor/gc/doc/README.uts +++ /dev/null @@ -1,2 +0,0 @@ -Alistair Crooks supplied the port. He used Lexa C version 2.1.3 with --Xa to compile. diff --git a/vendor/gc/doc/README.win32 b/vendor/gc/doc/README.win32 deleted file mode 100644 index 0cec9e9..0000000 --- a/vendor/gc/doc/README.win32 +++ /dev/null @@ -1,221 +0,0 @@ -The collector has at various times been compiled under Windows 95 & later, NT, -and XP, with the original Microsoft SDK, with Visual C++ 2.0, 4.0, and 6, with -the GNU win32 tools, with Borland 4.5, with Watcom C, and recently -with the Digital Mars compiler. It is likely that some of these have been -broken in the meantime. Patches are appreciated. - -For historical reasons, -the collector test program "gctest" is linked as a GUI application, -but does not open any windows. Its output normally appears in the file -"gctest.exe.log". It may be started from the file manager. The hour glass -cursor may appear as long as it's running. If it is started from the -command line, it will usually run in the background. Wait a few -minutes (a few seconds on a modern machine) before you check the output. -You should see either a failure indication or a "Collector appears to -work" message. - -The cord test program has not been ported (but should port -easily). A toy editor (cord/de.exe) based on cords (heavyweight -strings represented as trees) has been ported and is included. -It runs fine under either win32 or win32S. It serves as an example -of a true Windows application, except that it was written by a -nonexpert Windows programmer. (There are some peculiarities -in the way files are displayed. The is displayed explicitly -for standard DOS text files. As in the UNIX version, control -characters are displayed explicitly, but in this case as red text. -This may be suboptimal for some tastes and/or sets of default -window colors.) - -In general -DREDIRECT_MALLOC is unlikely to work unless the -application is completely statically linked. - -The collector normally allocates memory from the OS with VirtualAlloc. -This appears to cause problems under Windows NT and Windows 2000 (but -not Windows 95/98) if the memory is later passed to CreateDIBitmap. -To work around this problem, build the collector with -DUSE_GLOBAL_ALLOC. -This is currently incompatible with -DUSE_MUNMAP. (Thanks to Jonathan -Clark for tracking this down. There's some chance this may be fixed -in 6.1alpha4, since we now separate heap sections with an unused page.) - -[Threads and incremental collection are discussed near the end, below.] - -Microsoft Tools ---------------- -For Microsoft development tools, rename NT_MAKEFILE as -MAKEFILE. (Make sure that the CPU environment variable is defined -to be i386.) In order to use the gc_cpp.h C++ interface, all -client code should include gc_cpp.h. - -For historical reasons, -the collector test program "gctest" is linked as a GUI application, -but does not open any windows. Its output appears in the file -"gc.log". It may be started from the file manager. The hour glass -cursor may appear as long as it's running. If it is started from the -command line, it will usually run in the background. Wait a few -minutes (a few seconds on a modern machine) before you check the output. -You should see either a failure indication or a "Collector appears to -work" message. - -If you would prefer a VC++.NET project file, ask boehm@acm.org. One has -been contributed, but it seems to contain some absolute paths etc., so -it can presumably only be a starting point, and is not in the standard -distribution. It is unclear (to me, Hans Boehm) whether it is feasible to -change that. - -Clients may need to define GC_NOT_DLL before including gc.h, if the -collector was built as a static library (as it normally is in the -absence of thread support). - -GNU Tools ---------- -The collector should be buildable under Cygwin with either the old standard -Makefile, or possibly with the "configure --disable-shared;make" machinery. -(For the latter use --enable-threads=posix for thread support.) The major issue -here seems to be that dynamic library support is not currently enabled for -Cygwin. (This is probably fixable without a great deal of difficulty by -reusing the standard WIN32 code. But it requires some tweaking.) As a result -of this, "configure; make; make check" currently does not completely succeed, -though the static library appears to be OK when used only from the main -programs, and correspondingly the Makefile.direct self tests succeed. - -Mingw32 builds are not regularly tested, and may or may not work. -The following paragraph is probably obsolete: - -For GNU-win32, use the regular makefile, possibly after uncommenting -the line "include Makefile.DLLs". The latter should be necessary only -if you want to package the collector as a DLL. -[Is the following sentence obsolete? -HB] The GNU-win32 port is -believed to work only for b18, not b19, probably due to linker changes -in b19. This is probably fixable with a different definition of -DATASTART and DATAEND in gcconfig.h. - -Borland Tools -------------- -[Rarely tested.] -For Borland tools, use BCC_MAKEFILE. Note that -Borland's compiler defaults to 1 byte alignment in structures (-a1), -whereas Visual C++ appears to default to 8 byte alignment (/Zp8). -The garbage collector in its default configuration EXPECTS AT -LEAST 4 BYTE ALIGNMENT. Thus the BORLAND DEFAULT MUST -BE OVERRIDDEN. (In my opinion, it should usually be anyway. -I expect that -a1 introduces major performance penalties on a -486 or Pentium.) Note that this changes structure layouts. (As a last -resort, gcconfig.h can be changed to allow 1 byte alignment. But -this has significant negative performance implications.) -The Makefile is set up to assume Borland 4.5. If you have another -version, change the line near the top. By default, it does not -require the assembler. If you do have the assembler, I recommend -removing the -DUSE_GENERIC. - - -Watcom compiler ---------------- - -Ivan V. Demakov's README for the Watcom port: - -The collector has been compiled with Watcom C 10.6 and 11.0. -It runs under win32, win32s, and even under msdos with dos4gw -dos-extender. It should also run under OS/2, though this isn't -tested. Under win32 the collector can be built either as dll -or as static library. - -Note that all compilations were done under Windows 95 or NT. -For unknown reason compiling under Windows 3.11 for NT (one -attempt has been made) leads to broken executables. - -Incremental collection is not supported. - -cord is not ported. - -Before compiling you may need to edit WCC_MAKEFILE to set target -platform, library type (dynamic or static), calling conventions, and -optimization options. - -To compile the collector and testing programs use the command: - wmake -f WCC_MAKEFILE - -All programs using gc should be compiled with 4-byte alignment. -For further explanations on this see comments about Borland. - -If the gc is compiled as dll, the macro ``GC_DLL'' should be defined before -including "gc.h" (for example, with -DGC_DLL compiler option). It's -important, otherwise resulting programs will not run. - -Ivan Demakov (email: ivan@tgrad.nsk.su) - -Incremental Collection ----------------------- -There is some support for incremental collection. By default, the -collector chooses between explicit page protection, anf GetWriteWatch-based -write tracking automatically, depending on the platform. - -The former is slow and interacts poorly with a debugger. -Pages are protected. Protection faults are caught by a handler -installed at the bottom of the handler -stack. Whenever possible, I recommend adding a call to -GC_enable_incremental at the last possible moment, after most -debugging is complete. No system -calls are wrapped by the collector itself. It may be necessary -to wrap ReadFile calls that use a buffer in the heap, so that the -call does not encounter a protection fault while it's running. -(As usual, none of this is an issue unless GC_enable_incremental -is called.) - -Note that incremental collection is disabled with -DSMALL_CONFIG. - -Threads -------- - -This version of the collector by default handles threads similarly -to other platforms. James Clark's code which tracks threads attached -to the collector DLL still exists, but requires that both -- the collector is built in a DLL with GC_DLL defined, and -- GC_use_DllMain() is called before GC initialization, which - in turn must happen before creating additional threads. -We generally recommend avoiding this if possible, since it seems to -be less than 100% reliable. - -Use NT_THREADS_MAKEFILE (a.k.a gc.mak) instead of NT_MAKEFILE -to build a version that supports both kinds of thread tracking. -To build the garbage collector -test with VC++ from the command line, use - -nmake /F ".\gc.mak" CFG="gctest - Win32 Release" - -This requires that the subdirectory gctest\Release exist. -The test program and DLL will reside in the Release directory. - -This version currently supports incremental collection only if it is -enabled before any additional threads are created. - -Since 6.3alpha2, threads are also better supported in static library builds -with Microsoft tools (use NT_STATIC_THREADS_MAKEFILE) and with the GNU -tools. In all cases,the collector must be built with GC_WIN32_THREADS -defined, even if the Cygwin pthreads interface is used. -(NT_STATIC_THREADS_MAKEFILE does this implicitly. Under Cygwin, -./configure --enable-threads=posix defines GC_WIN32_THREADS.) - -For the normal, non-dll-based thread tracking to work properly, -threads should be created with GC_CreateThread or GC_beginthreadex, -and exit normally or call GC_endthreadex or GC_ExitThread. (For -Cygwin, use standard pthread calls instead.) As in the pthread -case, including gc.h will redefine CreateThread, _beginthreadex, -_endthreadex, and ExitThread to call the GC_ versions instead. - -Note that, as usual, GC_CreateThread tends to introduce resource leaks -that are avoided by GC_beginthreadex. There is currently no equivalent of -_beginthread, and it should not be used. - -GC_INIT should be called from the main executable before other GC calls. - -We strongly advise against using the TerminateThread() win32 API call, -especially with the garbage collector. Any use is likely to provoke a -crash in the GC, since it makes it impossible for the collector to -correctly track threads. - -To build the collector for Mingw32 Pthreads, use Makefile.direct and -explicitly set GC_WIN32_PTHREADS. Use -DPTW32_STATIC_LIB for the static -threads library. Note that the DEBUG_WIN32_PTHREADS support in -win32_threads.c is currently broken and looking for someone to debug it. -(This information and the port came from Romano Paolo Tenca). - diff --git a/vendor/gc/doc/README.win64 b/vendor/gc/doc/README.win64 deleted file mode 100644 index 2225fd4..0000000 --- a/vendor/gc/doc/README.win64 +++ /dev/null @@ -1,22 +0,0 @@ -64-bit Windows on AMD64/Intel EM64T is somewhat supported in the 7.0 -and later release. A collector can be built with Microsoft Visual C++ 2005. -The resulting test programs have been known to work at least once. -More testing would clearly be helpful. - -NT_X64_STATIC_THREADS_MAKEFILE has been used in -this environment. Copy this file to MAKEFILE, and then type "nmake" -in a Visual C++ command line window to build the static library -and the usual test programs. To verify that the colllector is -at least somewhat functional, run gctest.exe. This should create -gctest.exe.log after a few seconds. - -This process is completely analogous to NT_STATIC_THREADS_MAKEFILE -for the 32-bit version. - -A similar procedure using NT_X64_THREADS_MAKEFILE should be usable to -build the dynamic library. Test_cpp.exe did not seem to run correctly this -way. It seems that we're getting the wrong instances of operator new/delete -in some cases. The C tests seemed OK. - -Note that currently a few warnings are still generated by default, -and a number of others have been explicitly turned off in the makefile. diff --git a/vendor/gc/doc/barrett_diagram b/vendor/gc/doc/barrett_diagram deleted file mode 100644 index 27e80dc..0000000 --- a/vendor/gc/doc/barrett_diagram +++ /dev/null @@ -1,106 +0,0 @@ -This is an ASCII diagram of the data structure used to check pointer -validity. It was provided by Dave Barrett , -and should be of use to others attempting to understand the code. -The data structure in GC4.X is essentially the same. -HB - - - - - Data Structure used by GC_base in gc3.7: - 21-Apr-94 - - - - - 63 LOG_TOP_SZ[11] LOG_BOTTOM_SZ[10] LOG_HBLKSIZE[13] - +------------------+----------------+------------------+------------------+ - p:| | TL_HASH(hi) | | HBLKDISPL(p) | - +------------------+----------------+------------------+------------------+ - \-----------------------HBLKPTR(p)-------------------/ - \------------hi-------------------/ - \______ ________/ \________ _______/ \________ _______/ - V V V - | | | - GC_top_index[] | | | - --- +--------------+ | | | - ^ | | | | | - | | | | | | - TOP +--------------+<--+ | | - _SZ +-<| [] | * | | -(items)| +--------------+ if 0 < bi< HBLKSIZE | | - | | | | then large object | | - | | | | starts at the bi'th | | - v | | | HBLK before p. | i | - --- | +--------------+ | (word- | - v | aligned) | - bi= |GET_BI(p){->hash_link}->key==hi | | - v | | - | (bottom_index) \ scratch_alloc'd | | - | ( struct bi ) / by get_index() | | - --- +->+--------------+ | | - ^ | | | | - ^ | | | | - BOTTOM | | ha=GET_HDR_ADDR(p) | | -_SZ(items)+--------------+<----------------------+ +-------+ - | +--<| index[] | | - | | +--------------+ GC_obj_map: v - | | | | from / +-+-+-----+-+-+-+-+ --- - v | | | GC_add < 0| | | | | | | | ^ - --- | +--------------+ _map_entry \ +-+-+-----+-+-+-+-+ | - | | asc_link | +-+-+-----+-+-+-+-+ MAXOBJSZ - | +--------------+ +-->| | | j | | | | | +1 - | | key | | +-+-+-----+-+-+-+-+ | - | +--------------+ | +-+-+-----+-+-+-+-+ | - | | hash_link | | | | | | | | | | v - | +--------------+ | +-+-+-----+-+-+-+-+ --- - | | |<--MAX_OFFSET--->| - | | (bytes) -HDR(p)| GC_find_header(p) | |<--MAP_ENTRIES-->| - | \ from | =HBLKSIZE/WORDSZ - | (hdr) (struct hblkhdr) / alloc_hdr() | (1024 on Alpha) - +-->+----------------------+ | (8/16 bits each) -GET_HDR(p)| word hb_sz (words) | | - +----------------------+ | - | struct hblk *hb_next | | - +----------------------+ | - |mark_proc hb_mark_proc| | - +----------------------+ | - | char * hb_map |>-------------+ - +----------------------+ - | ushort hb_obj_kind | - +----------------------+ - | hb_last_reclaimed | - --- +----------------------+ - ^ | | - MARK_BITS| hb_marks[] | *if hdr is free, hb_sz + DISCARD_WORDS -_SZ(words)| | is the size of a heap chunk (struct hblk) - v | | of at least MININCR*HBLKSIZE bytes (below), - --- +----------------------+ otherwise, size of each object in chunk. - -Dynamic data structures above are interleaved throughout the heap in blocks of -size MININCR * HBLKSIZE bytes as done by gc_scratch_alloc which cannot be -freed; free lists are used (e.g. alloc_hdr). HBLKs's below are collected. - - (struct hblk) - --- +----------------------+ < HBLKSIZE --- --- DISCARD_ - ^ |garbage[DISCARD_WORDS]| aligned ^ ^ HDR_BYTES WORDS - | | | | v (bytes) (words) - | +-----hb_body----------+ < WORDSZ | --- --- - | | | aligned | ^ ^ - | | Object 0 | | hb_sz | - | | | i |(word- (words)| - | | | (bytes)|aligned) v | - | + - - - - - - - - - - -+ --- | --- | - | | | ^ | ^ | - n * | | j (words) | hb_sz BODY_SZ - HBLKSIZE | Object 1 | v v | (words) - (bytes) | |--------------- v MAX_OFFSET - | + - - - - - - - - - - -+ --- (bytes) - | | | !All_INTERIOR_PTRS ^ | - | | | sets j only for hb_sz | - | | Object N | valid object offsets. | | - v | | All objects WORDSZ v v - --- +----------------------+ aligned. --- --- - -DISCARD_WORDS is normally zero. Indeed the collector has not been tested -with another value in ages. diff --git a/vendor/gc/doc/debugging.html b/vendor/gc/doc/debugging.html deleted file mode 100644 index 7c65f2b..0000000 --- a/vendor/gc/doc/debugging.html +++ /dev/null @@ -1,306 +0,0 @@ - - -Debugging Garbage Collector Related Problems - - -

Debugging Garbage Collector Related Problems

-This page contains some hints on -debugging issues specific to -the Boehm-Demers-Weiser conservative garbage collector. -It applies both to debugging issues in client code that manifest themselves -as collector misbehavior, and to debugging the collector itself. -

-If you suspect a bug in the collector itself, it is strongly recommended -that you try the latest collector release, even if it is labelled as "alpha", -before proceeding. -

Bus Errors and Segmentation Violations

-

-If the fault occurred in GC_find_limit, or with incremental collection enabled, -this is probably normal. The collector installs handlers to take care of -these. You will not see these unless you are using a debugger. -Your debugger should allow you to continue. -It's often preferable to tell the debugger to ignore SIGBUS and SIGSEGV -("handle SIGSEGV SIGBUS nostop noprint" in gdb, -"ignore SIGSEGV SIGBUS" in most versions of dbx) -and set a breakpoint in abort. -The collector will call abort if the signal had another cause, -and there was not other handler previously installed. -

-We recommend debugging without incremental collection if possible. -(This applies directly to UNIX systems. -Debugging with incremental collection under win32 is worse. See README.win32.) -

-If the application generates an unhandled SIGSEGV or equivalent, it may -often be easiest to set the environment variable GC_LOOP_ON_ABORT. On many -platforms, this will cause the collector to loop in a handler when the -SIGSEGV is encountered (or when the collector aborts for some other reason), -and a debugger can then be attached to the looping -process. This sidesteps common operating system problems related -to incomplete core files for multithreaded applications, etc. -

Other Signals

-On most platforms, the multithreaded version of the collector needs one or -two other signals for internal use by the collector in stopping threads. -It is normally wise to tell the debugger to ignore these. On Linux, -the collector currently uses SIGPWR and SIGXCPU by default. -

Warning Messages About Needing to Allocate Blacklisted Blocks

-The garbage collector generates warning messages of the form -
-Needed to allocate blacklisted block at 0x...
-
-or -
-Repeated allocation of very large block ...
-
-when it needs to allocate a block at a location that it knows to be -referenced by a false pointer. These false pointers can be either permanent -(e.g. a static integer variable that never changes) or temporary. -In the latter case, the warning is largely spurious, and the block will -eventually be reclaimed normally. -In the former case, the program will still run correctly, but the block -will never be reclaimed. Unless the block is intended to be -permanent, the warning indicates a memory leak. -
    -
  1. Ignore these warnings while you are using GC_DEBUG. Some of the routines -mentioned below don't have debugging equivalents. (Alternatively, write -the missing routines and send them to me.) -
  2. Replace allocator calls that request large blocks with calls to -GC_malloc_ignore_off_page or -GC_malloc_atomic_ignore_off_page. You may want to set a -breakpoint in GC_default_warn_proc to help you identify such calls. -Make sure that a pointer to somewhere near the beginning of the resulting block -is maintained in a (preferably volatile) variable as long as -the block is needed. -
  3. -If the large blocks are allocated with realloc, we suggest instead allocating -them with something like the following. Note that the realloc size increment -should be fairly large (e.g. a factor of 3/2) for this to exhibit reasonable -performance. But we all know we should do that anyway. -
    -void * big_realloc(void *p, size_t new_size)
    -{
    -    size_t old_size = GC_size(p);
    -    void * result;
    - 
    -    if (new_size <= 10000) return(GC_realloc(p, new_size));
    -    if (new_size <= old_size) return(p);
    -    result = GC_malloc_ignore_off_page(new_size);
    -    if (result == 0) return(0);
    -    memcpy(result,p,old_size);
    -    GC_free(p);
    -    return(result);
    -}
    -
    - -
  4. In the unlikely case that even relatively small object -(<20KB) allocations are triggering these warnings, then your address -space contains lots of "bogus pointers", i.e. values that appear to -be pointers but aren't. Usually this can be solved by using GC_malloc_atomic -or the routines in gc_typed.h to allocate large pointer-free regions of bitmaps, etc. Sometimes the problem can be solved with trivial changes of encoding -in certain values. It is possible, to identify the source of the bogus -pointers by building the collector with -DPRINT_BLACK_LIST, -which will cause it to print the "bogus pointers", along with their location. - -
  5. If you get only a fixed number of these warnings, you are probably only -introducing a bounded leak by ignoring them. If the data structures being -allocated are intended to be permanent, then it is also safe to ignore them. -The warnings can be turned off by calling GC_set_warn_proc with a procedure -that ignores these warnings (e.g. by doing absolutely nothing). -
- -

The Collector References a Bad Address in GC_malloc

- -This typically happens while the collector is trying to remove an entry from -its free list, and the free list pointer is bad because the free list link -in the last allocated object was bad. -

-With > 99% probability, you wrote past the end of an allocated object. -Try setting GC_DEBUG before including gc.h and -allocating with GC_MALLOC. This will try to detect such -overwrite errors. - -

Unexpectedly Large Heap

- -Unexpected heap growth can be due to one of the following: -
    -
  1. Data structures that are being unintentionally retained. This -is commonly caused by data structures that are no longer being used, -but were not cleared, or by caches growing without bounds. -
  2. Pointer misidentification. The garbage collector is interpreting -integers or other data as pointers and retaining the "referenced" -objects. A common symptom is that GC_dump() shows much of the heap -as black-listed. -
  3. Heap fragmentation. This should never result in unbounded growth, -but it may account for larger heaps. This is most commonly caused -by allocation of large objects. On some platforms it can be reduced -by building with -DUSE_MUNMAP, which will cause the collector to unmap -memory corresponding to pages that have not been recently used. -
  4. Per object overhead. This is usually a relatively minor effect, but -it may be worth considering. If the collector recognizes interior -pointers, object sizes are increased, so that one-past-the-end pointers -are correctly recognized. The collector can be configured not to do this -(-DDONT_ADD_BYTE_AT_END). -

    -The collector rounds up object sizes so the result fits well into the -chunk size (HBLKSIZE, normally 4K on 32 bit machines, 8K -on 64 bit machines) used by the collector. Thus it may be worth avoiding -objects of size 2K + 1 (or 2K if a byte is being added at the end.) -

-The last two cases can often be identified by looking at the output -of a call to GC_dump(). Among other things, it will print the -list of free heap blocks, and a very brief description of all chunks in -the heap, the object sizes they correspond to, and how many live objects -were found in the chunk at the last collection. -

-Growing data structures can usually be identified by -

    -
  1. Building the collector with -DKEEP_BACK_PTRS, -
  2. Preferably using debugging allocation (defining GC_DEBUG -before including gc.h and allocating with GC_MALLOC), -so that objects will be identified by their allocation site, -
  3. Running the application long enough so -that most of the heap is composed of "leaked" memory, and -
  4. Then calling GC_generate_random_backtrace() from backptr.h -a few times to determine why some randomly sampled objects in the heap are -being retained. -
-

-The same technique can often be used to identify problems with false -pointers, by noting whether the reference chains printed by -GC_generate_random_backtrace() involve any misidentified pointers. -An alternate technique is to build the collector with --DPRINT_BLACK_LIST which will cause it to report values that -are almost, but not quite, look like heap pointers. It is very likely that -actual false pointers will come from similar sources. -

-In the unlikely case that false pointers are an issue, it can usually -be resolved using one or more of the following techniques: -

    -
  1. Use GC_malloc_atomic for objects containing no pointers. -This is especially important for large arrays containing compressed data, -pseudo-random numbers, and the like. It is also likely to improve GC -performance, perhaps drastically so if the application is paging. -
  2. If you allocate large objects containing only -one or two pointers at the beginning, either try the typed allocation -primitives is gc_typed.h, or separate out the pointerfree component. -
  3. Consider using GC_malloc_ignore_off_page() -to allocate large objects. (See gc.h and above for details. -Large means > 100K in most environments.) -
  4. If your heap size is larger than 100MB or so, build the collector with --DLARGE_CONFIG. This allows the collector to keep more precise black-list -information. -
  5. If you are using heaps close to, or larger than, a gigabyte on a 32-bit -machine, you may want to consider moving to a platform with 64-bit pointers. -This is very likely to resolve any false pointer issues. -
-

Prematurely Reclaimed Objects

-The usual symptom of this is a segmentation fault, or an obviously overwritten -value in a heap object. This should, of course, be impossible. In practice, -it may happen for reasons like the following: -
    -
  1. The collector did not intercept the creation of threads correctly in -a multithreaded application, e.g. because the client called -pthread_create without including gc.h, which redefines it. -
  2. The last pointer to an object in the garbage collected heap was stored -somewhere were the collector couldn't see it, e.g. in an -object allocated with system malloc, in certain types of -mmaped files, -or in some data structure visible only to the OS. (On some platforms, -thread-local storage is one of these.) -
  3. The last pointer to an object was somehow disguised, e.g. by -XORing it with another pointer. -
  4. Incorrect use of GC_malloc_atomic or typed allocation. -
  5. An incorrect GC_free call. -
  6. The client program overwrote an internal garbage collector data structure. -
  7. A garbage collector bug. -
  8. (Empirically less likely than any of the above.) A compiler optimization -that disguised the last pointer. -
-The following relatively simple techniques should be tried first to narrow -down the problem: -
    -
  1. If you are using the incremental collector try turning it off for -debugging. -
  2. If you are using shared libraries, try linking statically. If that works, -ensure that DYNAMIC_LOADING is defined on your platform. -
  3. Try to reproduce the problem with fully debuggable unoptimized code. -This will eliminate the last possibility, as well as making debugging easier. -
  4. Try replacing any suspect typed allocation and GC_malloc_atomic -calls with calls to GC_malloc. -
  5. Try removing any GC_free calls (e.g. with a suitable -#define). -
  6. Rebuild the collector with -DGC_ASSERTIONS. -
  7. If the following works on your platform (i.e. if gctest still works -if you do this), try building the collector with --DREDIRECT_MALLOC=GC_malloc_uncollectable. This will cause -the collector to scan memory allocated with malloc. -
-If all else fails, you will have to attack this with a debugger. -Suggested steps: -
    -
  1. Call GC_dump() from the debugger around the time of the failure. Verify -that the collectors idea of the root set (i.e. static data regions which -it should scan for pointers) looks plausible. If not, i.e. if it doesn't -include some static variables, report this as -a collector bug. Be sure to describe your platform precisely, since this sort -of problem is nearly always very platform dependent. -
  2. Especially if the failure is not deterministic, try to isolate it to -a relatively small test case. -
  3. Set a break point in GC_finish_collection. This is a good -point to examine what has been marked, i.e. found reachable, by the -collector. -
  4. If the failure is deterministic, run the process -up to the last collection before the failure. -Note that the variable GC_gc_no counts collections and can be used -to set a conditional breakpoint in the right one. It is incremented just -before the call to GC_finish_collection. -If object p was prematurely recycled, it may be helpful to -look at *GC_find_header(p) at the failure point. -The hb_last_reclaimed field will identify the collection number -during which its block was last swept. -
  5. Verify that the offending object still has its correct contents at -this point. -Then call GC_is_marked(p) from the debugger to verify that the -object has not been marked, and is about to be reclaimed. Note that -GC_is_marked(p) expects the real address of an object (the -address of the debug header if there is one), and thus it may -be more appropriate to call GC_is_marked(GC_base(p)) -instead. -
  6. Determine a path from a root, i.e. static variable, stack, or -register variable, -to the reclaimed object. Call GC_is_marked(q) for each object -q along the path, trying to locate the first unmarked object, say -r. -
  7. If r is pointed to by a static root, -verify that the location -pointing to it is part of the root set printed by GC_dump(). If it -is on the stack in the main (or only) thread, verify that -GC_stackbottom is set correctly to the base of the stack. If it is -in another thread stack, check the collector's thread data structure -(GC_thread[] on several platforms) to make sure that stack bounds -are set correctly. -
  8. If r is pointed to by heap object s, check that the -collector's layout description for s is such that the pointer field -will be scanned. Call *GC_find_header(s) to look at the descriptor -for the heap chunk. The hb_descr field specifies the layout -of objects in that chunk. See gc_mark.h for the meaning of the descriptor. -(If it's low order 2 bits are zero, then it is just the length of the -object prefix to be scanned. This form is always used for objects allocated -with GC_malloc or GC_malloc_atomic.) -
  9. If the failure is not deterministic, you may still be able to apply some -of the above technique at the point of failure. But remember that objects -allocated since the last collection will not have been marked, even if the -collector is functioning properly. On some platforms, the collector -can be configured to save call chains in objects for debugging. -Enabling this feature will also cause it to save the call stack at the -point of the last GC in GC_arrays._last_stack. -
  10. When looking at GC internal data structures remember that a number -of GC_xxx variables are really macro defined to -GC_arrays._xxx, so that -the collector can avoid scanning them. -
- - - - - - diff --git a/vendor/gc/doc/doc.am b/vendor/gc/doc/doc.am deleted file mode 100644 index 8d5f67d..0000000 --- a/vendor/gc/doc/doc.am +++ /dev/null @@ -1,55 +0,0 @@ -# -# -# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. -# -# Permission is hereby granted to use or copy this program -# for any purpose, provided the above notices are retained on all copies. -# Permission to modify the code and to distribute modified code is granted, -# provided the above notices are retained, and a notice that the code was -# modified is included with the above copyright notice. -# -# Modified by: Grzegorz Jakacki -# Modified by: Petter Urkedal - -## Process this file with automake to produce Makefile.in. - -# installed documentation -# -dist_pkgdata_DATA = \ - doc/barrett_diagram \ - doc/debugging.html \ - doc/gc.man \ - doc/gcdescr.html \ - doc/README \ - doc/README.amiga \ - doc/README.arm.cross \ - doc/README.autoconf \ - doc/README.changes \ - doc/README.contributors \ - doc/README.cords \ - doc/README.DGUX386 \ - doc/README.dj \ - doc/README.environment \ - doc/README.ews4800 \ - doc/README.hp \ - doc/README.linux \ - doc/README.Mac \ - doc/README.MacOSX \ - doc/README.macros \ - doc/README.OS2 \ - doc/README.rs6000 \ - doc/README.sgi \ - doc/README.solaris2 \ - doc/README.uts \ - doc/README.win32 \ - doc/README.win64 \ - doc/overview.html \ - doc/tree.html \ - doc/leak.html \ - doc/gcinterface.html \ - doc/scale.html \ - doc/README.darwin \ - doc/simple_example.html \ - doc/porting.html - diff --git a/vendor/gc/doc/gc.man b/vendor/gc/doc/gc.man deleted file mode 100644 index 2a550c7..0000000 --- a/vendor/gc/doc/gc.man +++ /dev/null @@ -1,97 +0,0 @@ -.TH GC_MALLOC 1L "2 October 2003" -.SH NAME -GC_malloc, GC_malloc_atomic, GC_free, GC_realloc, GC_enable_incremental, GC_register_finalizer, GC_malloc_ignore_off_page, GC_malloc_atomic_ignore_off_page, GC_set_warn_proc \- Garbage collecting malloc replacement -.SH SYNOPSIS -#include "gc.h" -.br -void * GC_malloc(size_t size); -.br -void GC_free(void *ptr); -.br -void * GC_realloc(void *ptr, size_t size); -.br -.sp -cc ... gc.a -.LP -.SH DESCRIPTION -.I GC_malloc -and -.I GC_free -are plug-in replacements for standard malloc and free. However, -.I -GC_malloc -will attempt to reclaim inaccessible space automatically by invoking a conservative garbage collector at appropriate points. The collector traverses all data structures accessible by following pointers from the machines registers, stack(s), data, and bss segments. Inaccessible structures will be reclaimed. A machine word is considered to be a valid pointer if it is an address inside an object allocated by -.I -GC_malloc -or friends. -.LP -In most cases it is preferable to call the macros GC_MALLOC, GC_FREE, etc. -instead of calling GC_malloc and friends directly. This allows debugging -versions of the routines to be substituted by defining GC_DEBUG before -including gc.h. -.LP -See the documentation in the include file gc_cpp.h for an alternate, C++ specific interface to the garbage collector. -.LP -Unlike the standard implementations of malloc, -.I -GC_malloc -clears the newly allocated storage. -.I -GC_malloc_atomic -does not. Furthermore, it informs the collector that the resulting object will never contain any pointers, and should therefore not be scanned by the collector. -.LP -.I -GC_free -can be used to deallocate objects, but its use is optional, and generally discouraged. -.I -GC_realloc -has the standard realloc semantics. It preserves pointer-free-ness. -.I -GC_register_finalizer -allows for registration of functions that are invoked when an object becomes inaccessible. -.LP -The garbage collector tries to avoid allocating memory at locations that already appear to be referenced before allocation. (Such apparent ``pointers'' are usually large integers and the like that just happen to look like an address.) This may make it hard to allocate very large objects. An attempt to do so may generate a warning. -.LP -.I -GC_malloc_ignore_off_page -and -.I -GC_malloc_atomic_ignore_off_page -inform the collector that the client code will always maintain a pointer to near the beginning of the object (within the first 512 bytes), and that pointers beyond that can be ignored by the collector. This makes it much easier for the collector to place large objects. These are recommended for large object allocation. (Objects expected to be larger than about 100KBytes should be allocated this way.) -.LP -It is also possible to use the collector to find storage leaks in programs destined to be run with standard malloc/free. The collector can be compiled for thread-safe operation. Unlike standard malloc, it is safe to call malloc after a previous malloc call was interrupted by a signal, provided the original malloc call is not resumed. -.LP -The collector may, on rare occasion produce warning messages. On UNIX machines these appear on stderr. Warning messages can be filtered, redirected, or ignored with -.I -GC_set_warn_proc -This is recommended for production code. See gc.h for details. -.LP -Fully portable code should call -.I -GC_INIT -from the main program before making any other GC calls. -On most platforms this does nothing and the collector is initialized on first use. -On a few platforms explicit initialization is necessary. And it can never hurt. -.LP -Debugging versions of many of the above routines are provided as macros. Their names are identical to the above, but consist of all capital letters. If GC_DEBUG is defined before gc.h is included, these routines do additional checking, and allow the leak detecting version of the collector to produce slightly more useful output. Without GC_DEBUG defined, they behave exactly like the lower-case versions. -.LP -On some machines, collection will be performed incrementally after a call to -.I -GC_enable_incremental. -This may temporarily write protect pages in the heap. See the README file for more information on how this interacts with system calls that write to the heap. -.LP -Other facilities not discussed here include limited facilities to support incremental collection on machines without appropriate VM support, provisions for providing more explicit object layout information to the garbage collector, more direct support for ``weak'' pointers, support for ``abortable'' garbage collections during idle time, etc. -.LP -.SH "SEE ALSO" -The README and gc.h files in the distribution. More detailed definitions of the functions exported by the collector are given there. (The above list is not complete.) -.LP -The web site at http://www.hpl.hp.com/personal/Hans_Boehm/gc . -.LP -Boehm, H., and M. Weiser, "Garbage Collection in an Uncooperative Environment", -\fISoftware Practice & Experience\fP, September 1988, pp. 807-820. -.LP -The malloc(3) man page. -.LP -.SH AUTHOR -Hans-J. Boehm (Hans.Boehm@hp.com). -Some of the code was written by others, most notably Alan Demers. diff --git a/vendor/gc/doc/gcdescr.html b/vendor/gc/doc/gcdescr.html deleted file mode 100644 index dc08470..0000000 --- a/vendor/gc/doc/gcdescr.html +++ /dev/null @@ -1,621 +0,0 @@ - - - Conservative GC Algorithmic Overview - Hans-J. Boehm, HP Labs (Some of this was written at SGI) - - -

This is under construction, and may always be.

-

Conservative GC Algorithmic Overview

-

-This is a description of the algorithms and data structures used in our -conservative garbage collector. I expect the level of detail to increase -with time. For a survey of GC algorithms, see for example - Paul Wilson's -excellent paper. For an overview of the collector interface, -see here. -

-This description is targeted primarily at someone trying to understand the -source code. It specifically refers to variable and function names. -It may also be useful for understanding the algorithms at a higher level. -

-The description here assumes that the collector is used in default mode. -In particular, we assume that it used as a garbage collector, and not just -a leak detector. We initially assume that it is used in stop-the-world, -non-incremental mode, though the presence of the incremental collector -will be apparent in the design. -We assume the default finalization model, but the code affected by that -is very localized. -

Introduction

-The garbage collector uses a modified mark-sweep algorithm. Conceptually -it operates roughly in four phases, which are performed occasionally -as part of a memory allocation: - -
    - -
  1. -Preparation Each object has an associated mark bit. -Clear all mark bits, indicating that all objects -are potentially unreachable. - -
  2. -Mark phase Marks all objects that can be reachable via chains of -pointers from variables. Often the collector has no real information -about the location of pointer variables in the heap, so it -views all static data areas, stacks and registers as potentially containing -pointers. Any bit patterns that represent addresses inside -heap objects managed by the collector are viewed as pointers. -Unless the client program has made heap object layout information -available to the collector, any heap objects found to be reachable from -variables are again scanned similarly. - -
  3. -Sweep phase Scans the heap for inaccessible, and hence unmarked, -objects, and returns them to an appropriate free list for reuse. This is -not really a separate phase; even in non incremental mode this is operation -is usually performed on demand during an allocation that discovers an empty -free list. Thus the sweep phase is very unlikely to touch a page that -would not have been touched shortly thereafter anyway. - -
  4. -Finalization phase Unreachable objects which had been registered -for finalization are enqueued for finalization outside the collector. - -
- -

-The remaining sections describe the memory allocation data structures, -and then the last 3 collection phases in more detail. We conclude by -outlining some of the additional features implemented in the collector. - -

Allocation

-The collector includes its own memory allocator. The allocator obtains -memory from the system in a platform-dependent way. Under UNIX, it -uses either malloc, sbrk, or mmap. -

-Most static data used by the allocator, as well as that needed by the -rest of the garbage collector is stored inside the -_GC_arrays structure. -This allows the garbage collector to easily ignore the collectors own -data structures when it searches for root pointers. Other allocator -and collector internal data structures are allocated dynamically -with GC_scratch_alloc. GC_scratch_alloc does not -allow for deallocation, and is therefore used only for permanent data -structures. -

-The allocator allocates objects of different kinds. -Different kinds are handled somewhat differently by certain parts -of the garbage collector. Certain kinds are scanned for pointers, -others are not. Some may have per-object type descriptors that -determine pointer locations. Or a specific kind may correspond -to one specific object layout. Two built-in kinds are uncollectable. -One (STUBBORN) is immutable without special precautions. -In spite of that, it is very likely that most C clients of the -collector currently -use at most two kinds: NORMAL and PTRFREE objects. -The gcj runtime also makes -heavy use of a kind (allocated with GC_gcj_malloc) that stores -type information at a known offset in method tables. -

-The collector uses a two level allocator. A large block is defined to -be one larger than half of HBLKSIZE, which is a power of 2, -typically on the order of the page size. -

-Large block sizes are rounded up to -the next multiple of HBLKSIZE and then allocated by -GC_allochblk. Recent versions of the collector -use an approximate best fit algorithm by keeping free lists for -several large block sizes. -The actual -implementation of GC_allochblk -is significantly complicated by black-listing issues -(see below). -

-Small blocks are allocated in chunks of size HBLKSIZE. -Each chunk is -dedicated to only one object size and kind. The allocator maintains -separate free lists for each size and kind of object. -

-Once a large block is split for use in smaller objects, it can only -be used for objects of that size, unless the collector discovers a completely -empty chunk. Completely empty chunks are restored to the appropriate -large block free list. -

-In order to avoid allocating blocks for too many distinct object sizes, -the collector normally does not directly allocate objects of every possible -request size. Instead request are rounded up to one of a smaller number -of allocated sizes, for which free lists are maintained. The exact -allocated sizes are computed on demand, but subject to the constraint -that they increase roughly in geometric progression. Thus objects -requested early in the execution are likely to be allocated with exactly -the requested size, subject to alignment constraints. -See GC_init_size_map for details. -

-The actual size rounding operation during small object allocation is -implemented as a table lookup in GC_size_map. -

-Both collector initialization and computation of allocated sizes are -handled carefully so that they do not slow down the small object fast -allocation path. An attempt to allocate before the collector is initialized, -or before the appropriate GC_size_map entry is computed, -will take the same path as an allocation attempt with an empty free list. -This results in a call to the slow path code (GC_generic_malloc_inner) -which performs the appropriate initialization checks. -

-In non-incremental mode, we make a decision about whether to garbage collect -whenever an allocation would otherwise have failed with the current heap size. -If the total amount of allocation since the last collection is less than -the heap size divided by GC_free_space_divisor, we try to -expand the heap. Otherwise, we initiate a garbage collection. This ensures -that the amount of garbage collection work per allocated byte remains -constant. -

-The above is in fact an oversimplification of the real heap expansion -and GC triggering heuristic, which adjusts slightly for root size -and certain kinds of -fragmentation. In particular: -

    -
  • Programs with a large root set size and -little live heap memory will expand the heap to amortize the cost of -scanning the roots. -
  • Versions 5.x of the collector actually collect more frequently in -nonincremental mode. The large block allocator usually refuses to split -large heap blocks once the garbage collection threshold is -reached. This often has the effect of collecting well before the -heap fills up, thus reducing fragmentation and working set size at the -expense of GC time. Versions 6.x choose an intermediate strategy depending -on how much large object allocation has taken place in the past. -(If the collector is configured to unmap unused pages, versions 6.x -use the 5.x strategy.) -
  • In calculating the amount of allocation since the last collection we -give partial credit for objects we expect to be explicitly deallocated. -Even if all objects are explicitly managed, it is often desirable to collect -on rare occasion, since that is our only mechanism for coalescing completely -empty chunks. -
-

-It has been suggested that this should be adjusted so that we favor -expansion if the resulting heap still fits into physical memory. -In many cases, that would no doubt help. But it is tricky to do this -in a way that remains robust if multiple application are contending -for a single pool of physical memory. - -

Mark phase

- -At each collection, the collector marks all objects that are -possibly reachable from pointer variables. Since it cannot generally -tell where pointer variables are located, it scans the following -root segments for pointers: -
    -
  • The registers. Depending on the architecture, this may be done using -assembly code, or by calling a setjmp-like function which saves -register contents on the stack. -
  • The stack(s). In the case of a single-threaded application, -on most platforms this -is done by scanning the memory between (an approximation of) the current -stack pointer and GC_stackbottom. (For Itanium, the register stack -scanned separately.) The GC_stackbottom variable is set in -a highly platform-specific way depending on the appropriate configuration -information in gcconfig.h. Note that the currently active -stack needs to be scanned carefully, since callee-save registers of -client code may appear inside collector stack frames, which may -change during the mark process. This is addressed by scanning -some sections of the stack "eagerly", effectively capturing a snapshot -at one point in time. -
  • Static data region(s). In the simplest case, this is the region -between DATASTART and DATAEND, as defined in -gcconfig.h. However, in most cases, this will also involve -static data regions associated with dynamic libraries. These are -identified by the mostly platform-specific code in dyn_load.c. -
-The marker maintains an explicit stack of memory regions that are known -to be accessible, but that have not yet been searched for contained pointers. -Each stack entry contains the starting address of the block to be scanned, -as well as a descriptor of the block. If no layout information is -available for the block, then the descriptor is simply a length. -(For other possibilities, see gc_mark.h.) -

-At the beginning of the mark phase, all root segments -(as described above) are pushed on the -stack by GC_push_roots. (Registers and eagerly processed -stack sections are processed by pushing the referenced objects instead -of the stack section itself.) If ALL_INTERIOR_PTRS is not -defined, then stack roots require special treatment. In this case, the -normal marking code ignores interior pointers, but GC_push_all_stack -explicitly checks for interior pointers and pushes descriptors for target -objects. -

-The marker is structured to allow incremental marking. -Each call to GC_mark_some performs a small amount of -work towards marking the heap. -It maintains -explicit state in the form of GC_mark_state, which -identifies a particular sub-phase. Some other pieces of state, most -notably the mark stack, identify how much work remains to be done -in each sub-phase. The normal progression of mark states for -a stop-the-world collection is: -

    -
  1. MS_INVALID indicating that there may be accessible unmarked -objects. In this case GC_objects_are_marked will simultaneously -be false, so the mark state is advanced to -
  2. MS_PUSH_UNCOLLECTABLE indicating that it suffices to push -uncollectable objects, roots, and then mark everything reachable from them. -Scan_ptr is advanced through the heap until all uncollectable -objects are pushed, and objects reachable from them are marked. -At that point, the next call to GC_mark_some calls -GC_push_roots to push the roots. It the advances the -mark state to -
  3. MS_ROOTS_PUSHED asserting that once the mark stack is -empty, all reachable objects are marked. Once in this state, we work -only on emptying the mark stack. Once this is completed, the state -changes to -
  4. MS_NONE indicating that reachable objects are marked. -
- -The core mark routine GC_mark_from, is called -repeatedly by several of the sub-phases when the mark stack starts to fill -up. It is also called repeatedly in MS_ROOTS_PUSHED state -to empty the mark stack. -The routine is designed to only perform a limited amount of marking at -each call, so that it can also be used by the incremental collector. -It is fairly carefully tuned, since it usually consumes a large majority -of the garbage collection time. -

-The fact that it perform a only a small amount of work per call also -allows it to be used as the core routine of the parallel marker. In that -case it is normally invoked on thread-private mark stacks instead of the -global mark stack. More details can be found in -scale.html -

-The marker correctly handles mark stack overflows. Whenever the mark stack -overflows, the mark state is reset to MS_INVALID. -Since there are already marked objects in the heap, -this eventually forces a complete -scan of the heap, searching for pointers, during which any unmarked objects -referenced by marked objects are again pushed on the mark stack. This -process is repeated until the mark phase completes without a stack overflow. -Each time the stack overflows, an attempt is made to grow the mark stack. -All pieces of the collector that push regions onto the mark stack have to be -careful to ensure forward progress, even in case of repeated mark stack -overflows. Every mark attempt results in additional marked objects. -

-Each mark stack entry is processed by examining all candidate pointers -in the range described by the entry. If the region has no associated -type information, then this typically requires that each 4-byte aligned -quantity (8-byte aligned with 64-bit pointers) be considered a candidate -pointer. -

-We determine whether a candidate pointer is actually the address of -a heap block. This is done in the following steps: - -

  • The candidate pointer is checked against rough heap bounds. -These heap bounds are maintained such that all actual heap objects -fall between them. In order to facilitate black-listing (see below) -we also include address regions that the heap is likely to expand into. -Most non-pointers fail this initial test. -
  • The candidate pointer is divided into two pieces; the most significant -bits identify a HBLKSIZE-sized page in the address space, and -the least significant bits specify an offset within that page. -(A hardware page may actually consist of multiple such pages. -HBLKSIZE is usually the page size divided by a small power of two.) -
  • -The page address part of the candidate pointer is looked up in a -table. -Each table entry contains either 0, indicating that the page is not part -of the garbage collected heap, a small integer n, indicating -that the page is part of large object, starting at least n pages -back, or a pointer to a descriptor for the page. In the first case, -the candidate pointer i not a true pointer and can be safely ignored. -In the last two cases, we can obtain a descriptor for the page containing -the beginning of the object. -
  • -The starting address of the referenced object is computed. -The page descriptor contains the size of the object(s) -in that page, the object kind, and the necessary mark bits for those -objects. The size information can be used to map the candidate pointer -to the object starting address. To accelerate this process, the page header -also contains a pointer to a precomputed map of page offsets to displacements -from the beginning of an object. The use of this map avoids a -potentially slow integer remainder operation in computing the object -start address. -
  • -The mark bit for the target object is checked and set. If the object -was previously unmarked, the object is pushed on the mark stack. -The descriptor is read from the page descriptor. (This is computed -from information GC_obj_kinds when the page is first allocated.) - -

    -At the end of the mark phase, mark bits for left-over free lists are cleared, -in case a free list was accidentally marked due to a stray pointer. - -

    Sweep phase

    - -At the end of the mark phase, all blocks in the heap are examined. -Unmarked large objects are immediately returned to the large object free list. -Each small object page is checked to see if all mark bits are clear. -If so, the entire page is returned to the large object free list. -Small object pages containing some reachable object are queued for later -sweeping, unless we determine that the page contains very little free -space, in which case it is not examined further. -

    -This initial sweep pass touches only block headers, not -the blocks themselves. Thus it does not require significant paging, even -if large sections of the heap are not in physical memory. -

    -Nonempty small object pages are swept when an allocation attempt -encounters an empty free list for that object size and kind. -Pages for the correct size and kind are repeatedly swept until at -least one empty block is found. Sweeping such a page involves -scanning the mark bit array in the page header, and building a free -list linked through the first words in the objects themselves. -This does involve touching the appropriate data page, but in most cases -it will be touched only just before it is used for allocation. -Hence any paging is essentially unavoidable. -

    -Except in the case of pointer-free objects, we maintain the invariant -that any object in a small object free list is cleared (except possibly -for the link field). Thus it becomes the burden of the small object -sweep routine to clear objects. This has the advantage that we can -easily recover from accidentally marking a free list, though that could -also be handled by other means. The collector currently spends a fair -amount of time clearing objects, and this approach should probably be -revisited. -

    -In most configurations, we use specialized sweep routines to handle common -small object sizes. Since we allocate one mark bit per word, it becomes -easier to examine the relevant mark bits if the object size divides -the word length evenly. We also suitably unroll the inner sweep loop -in each case. (It is conceivable that profile-based procedure cloning -in the compiler could make this unnecessary and counterproductive. I -know of no existing compiler to which this applies.) -

    -The sweeping of small object pages could be avoided completely at the expense -of examining mark bits directly in the allocator. This would probably -be more expensive, since each allocation call would have to reload -a large amount of state (e.g. next object address to be swept, position -in mark bit table) before it could do its work. The current scheme -keeps the allocator simple and allows useful optimizations in the sweeper. - -

    Finalization

    -Both GC_register_disappearing_link and -GC_register_finalizer add the request to a corresponding hash -table. The hash table is allocated out of collected memory, but -the reference to the finalizable object is hidden from the collector. -Currently finalization requests are processed non-incrementally at the -end of a mark cycle. -

    -The collector makes an initial pass over the table of finalizable objects, -pushing the contents of unmarked objects onto the mark stack. -After pushing each object, the marker is invoked to mark all objects -reachable from it. The object itself is not explicitly marked. -This assures that objects on which a finalizer depends are neither -collected nor finalized. -

    -If in the process of marking from an object the -object itself becomes marked, we have uncovered -a cycle involving the object. This usually results in a warning from the -collector. Such objects are not finalized, since it may be -unsafe to do so. See the more detailed - discussion of finalization semantics. -

    -Any objects remaining unmarked at the end of this process are added to -a queue of objects whose finalizers can be run. Depending on collector -configuration, finalizers are dequeued and run either implicitly during -allocation calls, or explicitly in response to a user request. -(Note that the former is unfortunately both the default and not generally safe. -If finalizers perform synchronization, it may result in deadlocks. -Nontrivial finalizers generally need to perform synchronization, and -thus require a different collector configuration.) -

    -The collector provides a mechanism for replacing the procedure that is -used to mark through objects. This is used both to provide support for -Java-style unordered finalization, and to ignore certain kinds of cycles, -e.g. those arising from C++ implementations of virtual inheritance. - -

    Generational Collection and Dirty Bits

    -We basically use the concurrent and generational GC algorithm described in -"Mostly Parallel Garbage Collection", -by Boehm, Demers, and Shenker. -

    -The most significant modification is that -the collector always starts running in the allocating thread. -There is no separate garbage collector thread. (If parallel GC is -enabled, helper threads may also be woken up.) -If an allocation attempt either requests a large object, or encounters -an empty small object free list, and notices that there is a collection -in progress, it immediately performs a small amount of marking work -as described above. -

    -This change was made both because we wanted to easily accommodate -single-threaded environments, and because a separate GC thread requires -very careful control over the scheduler to prevent the mutator from -out-running the collector, and hence provoking unneeded heap growth. -

    -In incremental mode, the heap is always expanded when we encounter -insufficient space for an allocation. Garbage collection is triggered -whenever we notice that more than -GC_heap_size/2 * GC_free_space_divisor -bytes of allocation have taken place. -After GC_full_freq minor collections a major collection -is started. -

    -All collections initially run interrupted until a predetermined -amount of time (50 msecs by default) has expired. If this allows -the collection to complete entirely, we can avoid correcting -for data structure modifications during the collection. If it does -not complete, we return control to the mutator, and perform small -amounts of additional GC work during those later allocations that -cannot be satisfied from small object free lists. When marking completes, -the set of modified pages is retrieved, and we mark once again from -marked objects on those pages, this time with the mutator stopped. -

    -We keep track of modified pages using one of several distinct mechanisms: -

      -
    1. -Through explicit mutator cooperation. Currently this requires -the use of GC_malloc_stubborn, and is rarely used. -
    2. -(MPROTECT_VDB) By write-protecting physical pages and -catching write faults. This is -implemented for many Unix-like systems and for win32. It is not possible -in a few environments. -
    3. -(PROC_VDB) By retrieving dirty bit information from /proc. -(Currently only Sun's -Solaris supports this. Though this is considerably cleaner, performance -may actually be better with mprotect and signals.) -
    4. -(PCR_VDB) By relying on an external dirty bit implementation, in this -case the one in Xerox PCR. -
    5. -(DEFAULT_VDB) By treating all pages as dirty. This is the default if -none of the other techniques is known to be usable, and -GC_malloc_stubborn is not used. Practical only for testing, or if -the vast majority of objects use GC_malloc_stubborn. -
    - -

    Black-listing

    - -The collector implements black-listing of pages, as described -in - -Boehm, ``Space Efficient Conservative Collection'', PLDI '93, also available -here. -

    -During the mark phase, the collector tracks ``near misses'', i.e. attempts -to follow a ``pointer'' to just outside the garbage-collected heap, or -to a currently unallocated page inside the heap. Pages that have been -the targets of such near misses are likely to be the targets of -misidentified ``pointers'' in the future. To minimize the future -damage caused by such misidentifications they will be allocated only to -small pointerfree objects. -

    -The collector understands two different kinds of black-listing. A -page may be black listed for interior pointer references -(GC_add_to_black_list_stack), if it was the target of a near -miss from a location that requires interior pointer recognition, -e.g. the stack, or the heap if GC_all_interior_pointers -is set. In this case, we also avoid allocating large blocks that include -this page. -

    -If the near miss came from a source that did not require interior -pointer recognition, it is black-listed with -GC_add_to_black_list_normal. -A page black-listed in this way may appear inside a large object, -so long as it is not the first page of a large object. -

    -The GC_allochblk routine respects black-listing when assigning -a block to a particular object kind and size. It occasionally -drops (i.e. allocates and forgets) blocks that are completely black-listed -in order to avoid excessively long large block free lists containing -only unusable blocks. This would otherwise become an issue -if there is low demand for small pointerfree objects. - -

    Thread support

    -We support several different threading models. Unfortunately Pthreads, -the only reasonably well standardized thread model, supports too narrow -an interface for conservative garbage collection. There appears to be -no completely portable way to allow the collector -to coexist with various Pthreads -implementations. Hence we currently support only the more -common Pthreads implementations. -

    -In particular, it is very difficult for the collector to stop all other -threads in the system and examine the register contents. This is currently -accomplished with very different mechanisms for some Pthreads -implementations. The Solaris implementation temporarily disables much -of the user-level threads implementation by stopping kernel-level threads -("lwp"s). The Linux/HPUX/OSF1 and Irix implementations sends signals to -individual Pthreads and has them wait in the signal handler. -

    -The Linux and Irix implementations use -only documented Pthreads calls, but rely on extensions to their semantics. -The Linux implementation linux_threads.c relies on only very -mild extensions to the pthreads semantics, and already supports a large number -of other Unix-like pthreads implementations. Our goal is to make this the -only pthread support in the collector. -

    -(The Irix implementation is separate only for historical reasons and should -clearly be merged. The current Solaris implementation probably performs -better in the uniprocessor case, but does not support thread operations in the -collector. Hence it cannot support the parallel marker.) -

    -All implementations must -intercept thread creation and a few other thread-specific calls to allow -enumeration of threads and location of thread stacks. This is current -accomplished with # define's in gc.h -(really gc_pthread_redirects.h), or optionally -by using ld's function call wrapping mechanism under Linux. -

    -Recent versions of the collector support several facilites to enhance -the processor-scalability and thread performance of the collector. -These are discussed in more detail here. -We briefly outline the data approach to thread-local allocation in the -next section. -

    Thread-local allocation

    -If thread-local allocation is enabled, the collector keeps separate -arrays of free lists for each thread. Thread-local allocation -is currently only supported on a few platforms. -

    -The free list arrays associated -with each thread are only used to satisfy requests for objects that -are both very small, and belong to one of a small number of well-known -kinds. These currently include "normal" and pointer-free objects. -Depending onthe configuration, "gcj" objects may also be included. -

    -Thread-local free list entries contain either a pointer to the first -element of a free list, or they contain a counter of the number of -allocation "granules" allocated so far. Initially they contain the -value one, i.e. a small counter value. -

    -Thread-local allocation allocates directly through the global -allocator, if the object is of a size or kind not covered by the -local free lists. -

    -If there is an appropriate local free list, the allocator checks whether it -contains a sufficiently small counter value. If so, the counter is simply -incremented by the counter value, and the global allocator is used. -In this way, the initial few allocations of a given size bypass the local -allocator. A thread that only allocates a handful of objects of a given -size will not build up its own free list for that size. This avoids -wasting space for unpopular objects sizes or kinds. -

    -Once the counter passes a threshold, GC_malloc_many is called -to allocate roughly HBLKSIZE space and put it on the corresponding -local free list. Further allocations of that size and kind then use -this free list, and no longer need to acquire the allocation lock. -The allocation procedure is otherwise similar to the global free lists. -The local free lists are also linked using the first word in the object. -In most cases this means they require considerably less time. -

    -Local free lists are treated buy most of the rest of the collector -as though they were in-use reachable data. This requires some care, -since pointer-free objects are not normally traced, and hence a special -tracing procedure is required to mark all objects on pointer-free and -gcj local free lists. -

    -On thread exit, any remaining thread-local free list entries are -transferred back to the global free list. -

    -Note that if the collector is configured for thread-local allocation, -GC versions before 7 do not invoke the thread-local allocator by default. -GC_malloc only uses thread-local allocation in version 7 and later. -In earlier versions, GC_MALLOC (all caps) may be directed -to use thread-local allocation by defining GC_REDIRECT_TO_LOCAL -and then include gc_local_alloc.h. -

    -For some more details see here, and the -technical report entitled - -``Fast Multiprocessor Memory Allocation and Garbage Collection'' - -

    -


    -

    -Comments are appreciated. Please send mail to -boehm@acm.org or -Hans.Boehm@hp.com -

    -This is a modified copy of a page written while the author was at SGI. -The original was here. - - diff --git a/vendor/gc/doc/gcinterface.html b/vendor/gc/doc/gcinterface.html deleted file mode 100644 index 312d37f..0000000 --- a/vendor/gc/doc/gcinterface.html +++ /dev/null @@ -1,280 +0,0 @@ - - -Garbage Collector Interface - - -

    C Interface

    -On many platforms, a single-threaded garbage collector library can be built -to act as a plug-in malloc replacement. -(Build with -DREDIRECT_MALLOC=GC_malloc -DIGNORE_FREE.) -This is often the best way to deal with third-party libraries -which leak or prematurely free objects. -DREDIRECT_MALLOC is intended -primarily as an easy way to adapt old code, not for new development. -

    -New code should use the interface discussed below. -

    -Code must be linked against the GC library. On most UNIX platforms, -depending on how the collector is built, this will be gc.a -or libgc.{a,so}. -

    -The following describes the standard C interface to the garbage collector. -It is not a complete definition of the interface. It describes only the -most commonly used functionality, approximately in decreasing order of -frequency of use. -The full interface is described in -gc.h -or gc.h in the distribution. -

    -Clients should include gc.h. -

    -In the case of multithreaded code, -gc.h should be included after the threads header file, and -after defining the appropriate GC_XXXX_THREADS macro. -(For 6.2alpha4 and later, simply defining GC_THREADS should suffice.) -The header file gc.h must be included -in files that use either GC or threads primitives, since threads primitives -will be redefined to cooperate with the GC on many platforms. -

    -Thread users should also be aware that on many platforms objects reachable -only from thread-local variables may be prematurely reclaimed. -Thus objects pointed to by thread-local variables should also be pointed to -by a globally visible data structure. (This is viewed as a bug, but as -one that is exceedingly hard to fix without some libc hooks.) -

    -
    void * GC_MALLOC(size_t nbytes) -
    -Allocates and clears nbytes of storage. -Requires (amortized) time proportional to nbytes. -The resulting object will be automatically deallocated when unreferenced. -References from objects allocated with the system malloc are usually not -considered by the collector. (See GC_MALLOC_UNCOLLECTABLE, however.) -GC_MALLOC is a macro which invokes GC_malloc by default or, -if GC_DEBUG -is defined before gc.h is included, a debugging version that checks -occasionally for overwrite errors, and the like. -
    void * GC_MALLOC_ATOMIC(size_t nbytes) -
    -Allocates nbytes of storage. -Requires (amortized) time proportional to nbytes. -The resulting object will be automatically deallocated when unreferenced. -The client promises that the resulting object will never contain any pointers. -The memory is not cleared. -This is the preferred way to allocate strings, floating point arrays, -bitmaps, etc. -More precise information about pointer locations can be communicated to the -collector using the interface in -gc_typed.h in the distribution. -
    void * GC_MALLOC_UNCOLLECTABLE(size_t nbytes) -
    -Identical to GC_MALLOC, -except that the resulting object is not automatically -deallocated. Unlike the system-provided malloc, the collector does -scan the object for pointers to garbage-collectable memory, even if the -block itself does not appear to be reachable. (Objects allocated in this way -are effectively treated as roots by the collector.) -
    void * GC_REALLOC(void *old, size_t new_size) -
    -Allocate a new object of the indicated size and copy (a prefix of) the -old object into the new object. The old object is reused in place if -convenient. If the original object was allocated with -GC_MALLOC_ATOMIC, -the new object is subject to the same constraints. If it was allocated -as an uncollectable object, then the new object is uncollectable, and -the old object (if different) is deallocated. -
    void GC_FREE(void *dead) -
    -Explicitly deallocate an object. Typically not useful for small -collectable objects. -
    void * GC_MALLOC_IGNORE_OFF_PAGE(size_t nbytes) -
    -
    void * GC_MALLOC_ATOMIC_IGNORE_OFF_PAGE(size_t nbytes) -
    -Analogous to GC_MALLOC and GC_MALLOC_ATOMIC, -except that the client -guarantees that as long -as the resulting object is of use, a pointer is maintained to someplace -inside the first 512 bytes of the object. This pointer should be declared -volatile to avoid interference from compiler optimizations. -(Other nonvolatile pointers to the object may exist as well.) -This is the -preferred way to allocate objects that are likely to be > 100KBytes in size. -It greatly reduces the risk that such objects will be accidentally retained -when they are no longer needed. Thus space usage may be significantly reduced. -
    void GC_INIT(void) -
    -On some platforms, it is necessary to invoke this -from the main executable, not from a dynamic library, before -the initial invocation of a GC routine. It is recommended that this be done -in portable code, though we try to ensure that it expands to a no-op -on as many platforms as possible. In GC 7.0, it was required if -thread-local allocation is enabled in the collector build, and malloc -is not redirected to GC_malloc. -
    void GC_gcollect(void) -
    -Explicitly force a garbage collection. -
    void GC_enable_incremental(void) -
    -Cause the garbage collector to perform a small amount of work -every few invocations of GC_MALLOC or the like, instead of performing -an entire collection at once. This is likely to increase total -running time. It will improve response on a platform that either has -suitable support in the garbage collector (Linux and most Unix -versions, win32 if the collector was suitably built) or if "stubborn" -allocation is used (see -gc.h). -On many platforms this interacts poorly with system calls -that write to the garbage collected heap. -
    GC_warn_proc GC_set_warn_proc(GC_warn_proc p) -
    -Replace the default procedure used by the collector to print warnings. -The collector -may otherwise write to sterr, most commonly because GC_malloc was used -in a situation in which GC_malloc_ignore_off_page would have been more -appropriate. See gc.h for details. -
    void GC_REGISTER_FINALIZER(...) -
    -Register a function to be called when an object becomes inaccessible. -This is often useful as a backup method for releasing system resources -(e.g. closing files) when the object referencing them becomes -inaccessible. -It is not an acceptable method to perform actions that must be performed -in a timely fashion. -See gc.h for details of the interface. -See here for a more detailed discussion -of the design. -

    -Note that an object may become inaccessible before client code is done -operating on objects referenced by its fields. -Suitable synchronization is usually required. -See here -or here -for details. -

    -

    -If you are concerned with multiprocessor performance and scalability, -you should consider enabling and using thread local allocation (e.g. -GC_LOCAL_MALLOC, see gc_local_alloc.h. If your platform -supports it, you should build the collector with parallel marking support -(-DPARALLEL_MARK, or --enable-parallel-mark). -

    -If the collector is used in an environment in which pointer location -information for heap objects is easily available, this can be passed on -to the collector using the interfaces in either gc_typed.h -or gc_gcj.h. -

    -The collector distribution also includes a string package that takes -advantage of the collector. For details see -cord.h - -

    C++ Interface

    -The C++ interface is implemented as a thin layer on the C interface. -Unfortunately, this thin layer appears to be very sensitive to variations -in C++ implementations, particularly since it tries to replace the global -::new operator, something that appears to not be well-standardized. -Your platform may need minor adjustments in this layer (gc_cpp.cc, gc_cpp.h, -and possibly gc_allocator.h). Such changes do not require understanding -of collector internals, though they may require a good understanding of -your platform. (Patches enhancing portability are welcome. -But it's easy to break one platform by fixing another.) -

    -Usage of the collector from C++ is also complicated by the fact that there -are many "standard" ways to allocate memory in C++. The default ::new -operator, default malloc, and default STL allocators allocate memory -that is not garbage collected, and is not normally "traced" by the -collector. This means that any pointers in memory allocated by these -default allocators will not be seen by the collector. Garbage-collectable -memory referenced only by pointers stored in such default-allocated -objects is likely to be reclaimed prematurely by the collector. -

    -It is the programmers responsibility to ensure that garbage-collectable -memory is referenced by pointers stored in one of -

      -
    • Program variables -
    • Garbage-collected objects -
    • Uncollected but "traceable" objects -
    -"Traceable" objects are not necessarily reclaimed by the collector, -but are scanned for pointers to collectable objects. -They are usually allocated by GC_MALLOC_UNCOLLECTABLE, as described -above, and through some interfaces described below. -

    -(On most platforms, the collector may not trace correctly from in-flight -exception objects. Thus objects thrown as exceptions should only -point to otherwise reachable memory. This is another bug whose -proper repair requires platform hooks.) -

    -The easiest way to ensure that collectable objects are properly referenced -is to allocate only collectable objects. This requires that every -allocation go through one of the following interfaces, each one of -which replaces a standard C++ allocation mechanism. Note that -this requires that all STL containers be explicitly instantiated with -gc_allocator. -

    -
    STL allocators -
    -

    -Recent versions of the collector include a hopefully standard-conforming -allocator implementation in gc_allocator.h. It defines -

      -
    • traceable_allocator -
    • gc_allocator -
    -which may be used either directly to allocate memory or to instantiate -container templates. -The former allocates uncollectable but traced memory. -The latter allocates garbage-collected memory. -

    -These should work with any fully standard-conforming C++ compiler. -

    -Users of the SGI extended STL -or its derivatives (including most g++ versions) -may instead be able to include new_gc_alloc.h before including -STL header files. This is increasingly discouraged. -(gc_alloc.h corresponds to now obsolete versions of the -SGI STL.) This interface is no longer recommended, but it has existed -for much longer. -

    -This defines SGI-style allocators -

      -
    • alloc -
    • single_client_alloc -
    • gc_alloc -
    • single_client_gc_alloc -
    -The first two allocate uncollectable but traced -memory, while the second two allocate collectable memory. -The single_client versions are not safe for concurrent access by -multiple threads, but are faster. -

    -For an example, click here. -

    Class inheritance based interface for new-based allocation -
    -Users may include gc_cpp.h and then cause members of classes to -be allocated in garbage collectable memory by having those classes -inherit from class gc. -For details see gc_cpp.h. -

    -Linking against libgccpp in addition to the gc library overrides -::new (and friends) to allocate traceable memory but uncollectable -memory, making it safe to refer to collectable objects from the resulting -memory. -

    C interface -
    -It is also possible to use the C interface from -gc.h directly. -On platforms which use malloc to implement ::new, it should usually be possible -to use a version of the collector that has been compiled as a malloc -replacement. It is also possible to replace ::new and other allocation -functions suitably, as is done by libgccpp. -

    -Note that user-implemented small-block allocation often works poorly with -an underlying garbage-collected large block allocator, since the collector -has to view all objects accessible from the user's free list as reachable. -This is likely to cause problems if GC_MALLOC -is used with something like -the original HP version of STL. -This approach works well with the SGI versions of the STL only if the -malloc_alloc allocator is used. -

    - - diff --git a/vendor/gc/doc/leak.html b/vendor/gc/doc/leak.html deleted file mode 100644 index 8f460c9..0000000 --- a/vendor/gc/doc/leak.html +++ /dev/null @@ -1,200 +0,0 @@ - - -Using the Garbage Collector as Leak Detector - - -

    Using the Garbage Collector as Leak Detector

    -The garbage collector may be used as a leak detector. -In this case, the primary function of the collector is to report -objects that were allocated (typically with GC_MALLOC), -not deallocated (normally with GC_FREE), but are -no longer accessible. Since the object is no longer accessible, -there in normally no way to deallocate the object at a later time; -thus it can safely be assumed that the object has been "leaked". -

    -This is substantially different from counting leak detectors, -which simply verify that all allocated objects are eventually -deallocated. A garbage-collector based leak detector can provide -somewhat more precise information when an object was leaked. -More importantly, it does not report objects that are never -deallocated because they are part of "permanent" data structures. -Thus it does not require all objects to be deallocated at process -exit time, a potentially useless activity that often triggers -large amounts of paging. -

    -All non-ancient versions of the garbage collector provide -leak detection support. Version 5.3 adds the following -features: -

      -
    1. Leak detection mode can be initiated at run-time by -setting GC_find_leak instead of building the collector with FIND_LEAK -defined. This variable should be set to a nonzero value -at program startup. -
    2. Leaked objects should be reported and then correctly garbage collected. -Prior versions either reported leaks or functioned as a garbage collector. -
    -For the rest of this description we will give instructions that work -with any reasonable version of the collector. -

    -To use the collector as a leak detector, follow the following steps: -

      -
    1. Build the collector with -DFIND_LEAK. Otherwise use default -build options. -
    2. Change the program so that all allocation and deallocation goes -through the garbage collector. -
    3. Arrange to call GC_gcollect at appropriate points to check -for leaks. -(For sufficiently long running programs, this will happen implicitly, -but probably not with sufficient frequency.) -
    -The second step can usually be accomplished with the --DREDIRECT_MALLOC=GC_malloc option when the collector is built, -or by defining malloc, calloc, -realloc and free -to call the corresponding garbage collector functions. -But this, by itself, will not yield very informative diagnostics, -since the collector does not keep track of information about -how objects were allocated. The error reports will include -only object addresses. -

    -For more precise error reports, as much of the program as possible -should use the all uppercase variants of these functions, after -defining GC_DEBUG, and then including gc.h. -In this environment GC_MALLOC is a macro which causes -at least the file name and line number at the allocation point to -be saved as part of the object. Leak reports will then also include -this information. -

    -Many collector features (e.g stubborn objects, finalization, -and disappearing links) are less useful in this context, and are not -fully supported. Their use will usually generate additional bogus -leak reports, since the collector itself drops some associated objects. -

    -The same is generally true of thread support. However, as of 6.0alpha4, -correct leak reports should be generated with linuxthreads. -

    -On a few platforms (currently Solaris/SPARC, Irix, and, with -DSAVE_CALL_CHAIN, -Linux/X86), GC_MALLOC -also causes some more information about its call stack to be saved -in the object. Such information is reproduced in the error -reports in very non-symbolic form, but it can be very useful with the -aid of a debugger. -

    An Example

    -The following header file leak_detector.h is included in the -"include" subdirectory of the distribution: -
    -#define GC_DEBUG
    -#include "gc.h"
    -#define malloc(n) GC_MALLOC(n)
    -#define calloc(m,n) GC_MALLOC((m)*(n))
    -#define free(p) GC_FREE(p)
    -#define realloc(p,n) GC_REALLOC((p),(n))
    -#define CHECK_LEAKS() GC_gcollect()
    -
    -

    -Assume the collector has been built with -DFIND_LEAK. (For very -new versions of the collector, we could instead add the statement -GC_find_leak = 1 as the first statement in main. -

    -The program to be tested for leaks can then look like: -

    -#include "leak_detector.h"
    -
    -main() {
    -    int *p[10];
    -    int i;
    -    /* GC_find_leak = 1; for new collector versions not 	*/
    -    /* compiled with -DFIND_LEAK.				*/
    -    for (i = 0; i < 10; ++i) {
    -	p[i] = malloc(sizeof(int)+i);
    -    }
    -    for (i = 1; i < 10; ++i) {
    -	free(p[i]);
    -    }
    -    for (i = 0; i < 9; ++i) {
    -	p[i] = malloc(sizeof(int)+i);
    -    }
    -    CHECK_LEAKS();
    -}	
    -
    -

    -On an Intel X86 Linux system this produces on the stderr stream: -

    -Leaked composite object at 0x806dff0 (leak_test.c:8, sz=4)
    -
    -(On most unmentioned operating systems, the output is similar to this. -If the collector had been built on Linux/X86 with -DSAVE_CALL_CHAIN, -the output would be closer to the Solaris example. For this to work, -the program should not be compiled with -fomit_frame_pointer.) -

    -On Irix it reports -

    -Leaked composite object at 0x10040fe0 (leak_test.c:8, sz=4)
    -        Caller at allocation:
    -                ##PC##= 0x10004910
    -
    -and on Solaris the error report is -
    -Leaked composite object at 0xef621fc8 (leak_test.c:8, sz=4)
    -        Call chain at allocation:
    -                args: 4 (0x4), 200656 (0x30FD0)
    -                ##PC##= 0x14ADC
    -                args: 1 (0x1), -268436012 (0xEFFFFDD4)
    -                ##PC##= 0x14A64
    -
    -In the latter two cases some additional information is given about -how malloc was called when the leaked object was allocated. For -Solaris, the first line specifies the arguments to GC_debug_malloc -(the actual allocation routine), The second the program counter inside -main, the third the arguments to main, and finally the program -counter inside the caller to main (i.e. in the C startup code). -

    -In the Irix case, only the address inside the caller to main is given. -

    -In many cases, a debugger is needed to interpret the additional information. -On systems supporting the "adb" debugger, the callprocs script -can be used to replace program counter values with symbolic names. -As of version 6.1, the collector tries to generate symbolic names for -call stacks if it knows how to do so on the platform. This is true on -Linux/X86, but not on most other platforms. -

    Simplified leak detection under Linux

    -Since version 6.1, it should be possible to run the collector in leak -detection mode on a program a.out under Linux/X86 as follows: -
      -
    1. Ensure that a.out is a single-threaded executable, or you are using -a very recent (7.0alpha7+) collector version on Linux. -On most platforms this does not -work at all for multithreaded programs. -
    2. If possible, ensure that the addr2line program is installed in -/usr/bin. (It comes with RedHat Linux.) -
    3. If possible, compile a.out with full debug information. -This will improve the quality of the leak reports. With this approach, it is -no longer necessary to call GC_ routines explicitly, though that can also -improve the quality of the leak reports. -
    4. Build the collector and install it in directory foo as follows: -
        -
      • configure --prefix=foo --enable-full-debug --enable-redirect-malloc ---disable-threads -
      • make -
      • make install -
      -With a very recent collector on Linux, it may be safe to omit the --disable-threads. -
    5. Set environment variables as follows: -
        -
      • LD_PRELOAD=foo/lib/libgc.so -
      • GC_FIND_LEAK -
      • You may also want to set GC_PRINT_STATS (to confirm that the collector -is running) and/or GC_LOOP_ON_ABORT (to facilitate debugging from another -window if something goes wrong). -
      Simply run a.out as you normally would. Note that if you run anything -else (e.g. your editor) with those environment variables set, -it will also be leak tested. This may or may not be useful and/or -embarrassing. It can generate -mountains of leak reports if the application wasn't designed to avoid leaks, -e.g. because it's always short-lived. -
    -This has not yet been thoroughly tested on large applications, but it's known -to do the right thing on at least some small ones. - - diff --git a/vendor/gc/doc/overview.html b/vendor/gc/doc/overview.html deleted file mode 100644 index d31f937..0000000 --- a/vendor/gc/doc/overview.html +++ /dev/null @@ -1,446 +0,0 @@ - -A garbage collector for C and C++ - - - - - - - - - - -
    Interface OverviewTutorial SlidesFAQExampleDownloadLicense
    -

    A garbage collector for C and C++

    - -[ This is an updated version of the page formerly at -http://reality.sgi.com/boehm/gc.html -and before that at - -ftp://parcftp.xerox.com/pub/gc/gc.html.] -

    -The Boehm-Demers-Weiser -conservative garbage collector can -be used as a garbage collecting -replacement for C malloc or C++ new. -It allows you to allocate memory basically as you normally would, -without explicitly deallocating memory that is no longer useful. -The collector automatically recycles memory when it determines -that it can no longer be otherwise accessed. -A simple example of such a use is given -here. -

    -The collector is also used by a number of programming language -implementations that either use C as intermediate code, want -to facilitate easier interoperation with C libraries, or -just prefer the simple collector interface. -For a more detailed description of the interface, see -here. -

    -Alternatively, the garbage collector may be used as -a leak detector -for C or C++ programs, though that is not its primary goal. -

    -Typically several versions will be available. -Usually you should first try to use -gc_source/gc.tar.gz, -which is normally an older, more stable version. -

    -If that fails, try the latest explicitly numbered version -in -gc_source/. -Later versions may contain additional features, platform support, -or bug fixes, but are likely to be less well tested. -Note that versions containing the letters alpha are even less -well tested than others, especially on non-HP platforms. -

    -A slightly older version of the garbage collector is now also -included as part of the -GNU compiler -distribution. The source -code for that version is available for browsing -here. -

    -The arguments for and against conservative garbage collection -in C and C++ are briefly -discussed in -issues.html. The beginnings of -a frequently-asked-questions list are here. -

    -The garbage collector code is copyrighted by -Hans-J. Boehm, -Alan J. Demers, -Xerox Corporation, -Silicon Graphics, -and -Hewlett-Packard Company. -It may be used and copied without payment of a fee under minimal restrictions. -See the README file in the distribution or the -license for more details. -IT IS PROVIDED AS IS, -WITH ABSOLUTELY NO WARRANTY EXPRESSED OR IMPLIED. ANY USE IS AT YOUR OWN RISK. -

    -Empirically, this collector works with most unmodified C programs, -simply by replacing -malloc with GC_malloc calls, -replacing realloc with GC_realloc calls, and removing -free calls. Exceptions are discussed -in issues.html. -

    Platforms

    -The collector is not completely portable, but the distribution -includes ports to most standard PC and UNIX/Linux platforms. -The collector should work on Linux, *BSD, recent Windows versions, -MacOS X, HP/UX, Solaris, -Tru64, Irix and a few other operating systems. -Some ports are more polished than others. -

    -Irix pthreads, Linux threads, Win32 threads, Solaris threads -(old style and pthreads), -HP/UX 11 pthreads, Tru64 pthreads, and MacOS X threads are supported -in recent versions. -

    Separately distributed ports

    -For MacOS 9/Classic use, Patrick Beard's latest port is available from - -http://homepage.mac.com/pcbeard/gc/. -(Unfortunately, that's now quite dated. -I'm not in a position to test under MacOS. Although I try to -incorporate changes, it is impossible for -me to update the project file.) -

    -Precompiled versions of the collector for NetBSD are available -here -or -here. -

    -Debian Linux includes prepackaged -versions of the collector. -

    Scalable multiprocessor versions

    -Kenjiro Taura, Toshio Endo, and Akinori Yonezawa have made available -a parallel collector -based on this one. Their collector takes advantage of multiple processors -during a collection. Starting with collector version 6.0alpha1 -we also do this, though with more modest processor scalability goals. -Our approach is discussed briefly in -scale.html. -

    Some Collector Details

    -The collector uses a mark-sweep algorithm. -It provides incremental and generational -collection under operating systems which provide the right kind of -virtual memory support. (Currently this includes SunOS[45], IRIX, -OSF/1, Linux, and Windows, with varying restrictions.) -It allows finalization code -to be invoked when an object is collected. -It can take advantage of type information to locate pointers if such -information is provided, but it is usually used without such information. -ee the README and -gc.h files in the distribution for more details. -

    -For an overview of the implementation, see here. -

    -The garbage collector distribution includes a C string -(cord) package that provides -for fast concatenation and substring operations on long strings. -A simple curses- and win32-based editor that represents the entire file -as a cord is included as a -sample application. -

    -Performance of the nonincremental collector is typically competitive -with malloc/free implementations. Both space and time overhead are -likely to be only slightly higher -for programs written for malloc/free -(see Detlefs, Dosser and Zorn's -Memory Allocation Costs in Large C and C++ Programs.) -For programs allocating primarily very small objects, the collector -may be faster; for programs allocating primarily large objects it will -be slower. If the collector is used in a multithreaded environment -and configured for thread-local allocation, it may in some cases -significantly outperform malloc/free allocation in time. -

    -We also expect that in many cases any additional overhead -will be more than compensated for by decreased copying etc. -if programs are written -and tuned for garbage collection. -

    Further Reading:

    -The beginnings of a frequently asked questions list for this -collector are here. -

    -The following provide information on garbage collection in general: -

    -Paul Wilson's garbage collection ftp archive and GC survey. -

    -The Ravenbrook -Memory Management Reference. -

    -David Chase's -GC FAQ. -

    -Richard Jones' - -GC page and - -his book. -

    -The following papers describe the collector algorithms we use -and the underlying design decisions at -a higher level. -

    -(Some of the lower level details can be found -here.) -

    -The first one is not available -electronically due to copyright considerations. Most of the others are -subject to ACM copyright. -

    -Boehm, H., "Dynamic Memory Allocation and Garbage Collection", Computers in Physics -9, 3, May/June 1995, pp. 297-303. This is directed at an otherwise sophisticated -audience unfamiliar with memory allocation issues. The algorithmic details differ -from those in the implementation. There is a related letter to the editor and a minor -correction in the next issue. -

    -Boehm, H., and M. Weiser, -"Garbage Collection in an Uncooperative Environment", -Software Practice & Experience, September 1988, pp. 807-820. -

    -Boehm, H., A. Demers, and S. Shenker, "Mostly Parallel Garbage Collection", Proceedings -of the ACM SIGPLAN '91 Conference on Programming Language Design and Implementation, -SIGPLAN Notices 26, 6 (June 1991), pp. 157-164. -

    -Boehm, H., "Space Efficient Conservative Garbage Collection", Proceedings of the ACM -SIGPLAN '93 Conference on Programming Language Design and Implementation, SIGPLAN -Notices 28, 6 (June 1993), pp. 197-206. -

    -Boehm, H., "Reducing Garbage Collector Cache Misses", - Proceedings of the 2000 International Symposium on Memory Management . - -Official version. - -Technical report version. Describes the prefetch strategy -incorporated into the collector for some platforms. Explains why -the sweep phase of a "mark-sweep" collector should not really be -a distinct phase. -

    -M. Serrano, H. Boehm, -"Understanding Memory Allocation of Scheme Programs", -Proceedings of the Fifth ACM SIGPLAN International Conference on -Functional Programming, 2000, Montreal, Canada, pp. 245-256. - -Official version. - -Earlier Technical Report version. Includes some discussion of the -collector debugging facilities for identifying causes of memory retention. -

    -Boehm, H., -"Fast Multiprocessor Memory Allocation and Garbage Collection", - -HP Labs Technical Report HPL 2000-165. Discusses the parallel -collection algorithms, and presents some performance results. -

    -Boehm, H., "Bounding Space Usage of Conservative Garbage Collectors", -Proceeedings of the 2002 ACM SIGPLAN-SIGACT Symposium on Principles of -Programming Languages, Jan. 2002, pp. 93-100. - -Official version. - -Technical report version. -Includes a discussion of a collector facility to much more reliably test for -the potential of unbounded heap growth. -

    -The following papers discuss language and compiler restrictions necessary to guaranteed -safety of conservative garbage collection. -

    -We thank John Levine and JCLT for allowing -us to make the second paper available electronically, and providing PostScript for the final -version. -

    -Boehm, H., ``Simple -Garbage-Collector-Safety'', Proceedings -of the ACM SIGPLAN '96 Conference on Programming Language Design -and Implementation. -

    -Boehm, H., and D. Chase, -``A Proposal for Garbage-Collector-Safe C Compilation'', -Journal of C Language Translation 4, 2 (Decemeber 1992), pp. 126-141. -

    -Other related information: -

    -The Detlefs, Dosser and Zorn's Memory Allocation Costs in Large C and C++ Programs. - This is a performance comparison of the Boehm-Demers-Weiser collector to malloc/free, -using programs written for malloc/free. -

    -Joel Bartlett's mostly copying conservative garbage collector for C++. -

    -John Ellis and David Detlef's Safe Efficient Garbage Collection for C++ proposal. -

    -Henry Baker's paper collection. -

    -Slides for Hans Boehm's Allocation and GC Myths talk. -

    Current users:

    -Known current users of some variant of this collector include: -

    -The runtime system for GCJ, -the static GNU java compiler. -

    -W3m, a text-based web browser. -

    -Some versions of the Xerox DocuPrint printer software. -

    -The Mozilla project, as leak -detector. -

    -The Mono project, -an open source implementation of the .NET development framework. -

    -The DotGNU Portable.NET -project, another open source .NET implementation. -

    -The Irssi IRC client. -

    -The Berkeley Titanium project. -

    -The NAGWare f90 Fortran 90 compiler. -

    -Elwood Corporation's -Eclipse Common Lisp system, C library, and translator. -

    -The Bigloo -Scheme -and Camloo ML -compilers -written by Manuel Serrano and others. -

    -Brent Benson's libscheme. -

    -The MzScheme scheme implementation. -

    -The University of Washington Cecil Implementation. -

    -The Berkeley Sather implementation. -

    -The Berkeley Harmonia Project. -

    -The Toba Java Virtual -Machine to C translator. -

    -The Gwydion Dylan compiler. -

    -The -GNU Objective C runtime. -

    -Macaulay 2, a system to support -research in algebraic geometry and commutative algebra. -

    -The Vesta configuration management -system. -

    -Visual Prolog 6. -

    -Asymptote LaTeX-compatible -vector graphics language. - -

    More collector information at this site

    -A simple illustration of how to build and -use the collector.. -

    -Description of alternate interfaces to the -garbage collector. -

    -Slides from an ISMM 2004 tutorial about the GC. -

    -A FAQ (frequently asked questions) list. -

    -How to use the garbage collector as a leak detector. -

    -Some hints on debugging garbage collected -applications. -

    -An overview of the implementation of the -garbage collector. -

    -The data structure used for fast pointer lookups. -

    -Scalability of the collector to multiprocessors. -

    -Directory containing garbage collector source. - -

    More background information at this site

    -An attempt to establish a bound on space usage of -conservative garbage collectors. -

    -Mark-sweep versus copying garbage collectors -and their complexity. -

    -Pros and cons of conservative garbage collectors, -in comparison to other collectors. - -

    -Issues related to garbage collection vs. -manual memory management in C/C++. -

    -An example of a case in which garbage collection -results in a much faster implementation as a result of reduced -synchronization. -

    -Slide set discussing performance of nonmoving -garbage collectors. -

    - -Slide set discussing Destructors, Finalizers, and Synchronization -(POPL 2003). -

    - -Paper corresponding to above slide set. -( -Technical Report version.) -

    -A Java/Scheme/C/C++ garbage collection benchmark. -

    -Slides for talk on memory allocation myths. -

    -Slides for OOPSLA 98 garbage collection talk. -

    -Related papers. -

    Contacts and Mailing List

    -We have recently set up two mailing list for collector announcements -and discussions: -
      -
    • gc-announce@linux.hpl.hp.com -is used for announcements of new versions. Postings are restricted. -We expect this to always remain a very low volume list. -
    • gc@linux.hpl.hp.com is used for -discussions, bug reports, and the like. Subscribers may post. -On-topic posts by nonsubscribers will usually also be accepted, but -it may take some time to review them. -
    -To subscribe to these lists, send a mail message containing the -word "subscribe" to -gc-announce-request@linux.hpl.hp.com -or to -gc-request@linux.hpl.hp.com. -(Please ignore the instructions about web-based subscription. -The listed web site is behind the HP firewall.) -

    -The archives for these lists appear -here. -The gc list archive may also be read at -gmane.org. -

    -Some prior discussion of the collector has taken place on the gcc -java mailing list, whose archives appear -here, and also on -gclist@iecc.com. -

    -Comments and bug reports may also be sent to -(Hans.Boehm@hp.com) or -(boehm@acm.org), but the gc -mailing list is usually preferred. - -

    diff --git a/vendor/gc/doc/porting.html b/vendor/gc/doc/porting.html deleted file mode 100644 index 5a06c22..0000000 --- a/vendor/gc/doc/porting.html +++ /dev/null @@ -1,333 +0,0 @@ - - - Conservative GC Porting Directions - - -

    Conservative GC Porting Directions

    -The collector is designed to be relatively easy to port, but is not -portable code per se. The collector inherently has to perform operations, -such as scanning the stack(s), that are not possible in portable C code. -

    -All of the following assumes that the collector is being ported to a -byte-addressable 32- or 64-bit machine. Currently all successful ports -to 64-bit machines involve LP64 targets. The code base includes some -provisions for P64 targets (notably win64), but that has not been tested. -You are hereby discouraged from attempting a port to non-byte-addressable, -or 8-bit, or 16-bit machines. -

    -The difficulty of porting the collector varies greatly depending on the needed -functionality. In the simplest case, only some small additions are needed -for the include/private/gcconfig.h file. This is described in the -following section. Later sections discuss some of the optional features, -which typically involve more porting effort. -

    -Note that the collector makes heavy use of ifdefs. Unlike -some other software projects, we have concluded repeatedly that this is preferable -to system dependent files, with code duplicated between the files. -However, to keep this manageable, we do strongly believe in indenting -ifdefs correctly (for historical reasons usually without the leading -sharp sign). (Separate source files are of course fine if they don't result in -code duplication.) -

    Adding Platforms to gcconfig.h

    -If neither thread support, nor tracing of dynamic library data is required, -these are often the only changes you will need to make. -

    -The gcconfig.h file consists of three sections: -

      -
    1. A section that defines GC-internal macros -that identify the architecture (e.g. IA64 or I386) -and operating system (e.g. LINUX or MSWIN32). -This is usually done by testing predefined macros. By defining -our own macros instead of using the predefined ones directly, we can -impose a bit more consistency, and somewhat isolate ourselves from -compiler differences. -

      -It is relatively straightforward to add a new entry here. But please try -to be consistent with the existing code. In particular, 64-bit variants -of 32-bit architectures general are not treated as a new architecture. -Instead we explicitly test for 64-bit-ness in the few places in which it -matters. (The notable exception here is I386 and X86_64. -This is partially historical, and partially justified by the fact that there -are arguably more substantial architecture and ABI differences here than -for RISC variants.) -

      -on GNU-based systems, cpp -dM empty_source_file.c seems to generate -a set of predefined macros. On some other systems, the "verbose" -compiler option may do so, or the manual page may list them. -

    2. -A section that defines a small number of platform-specific macros, which are -then used directly by the collector. For simple ports, this is where most of -the effort is required. We describe the macros below. -

      -This section contains a subsection for each architecture (enclosed in a -suitable ifdef. Each subsection usually contains some -architecture-dependent defines, followed by several sets of OS-dependent -defines, again enclosed in ifdefs. -

    3. -A section that fills in defaults for some macros left undefined in the preceding -section, and defines some other macros that rarely need adjustment for -new platforms. You will typically not have to touch these. -If you are porting to an OS that -was previously completely unsupported, it is likely that you will -need to add another clause to the definition of GET_MEM. -
    -The following macros must be defined correctly for each architecture and operating -system: -
    -
    MACH_TYPE -
    -Defined to a string that represents the machine architecture. Usually -just the macro name used to identify the architecture, but enclosed in quotes. -
    OS_TYPE -
    -Defined to a string that represents the operating system name. Usually -just the macro name used to identify the operating system, but enclosed in quotes. -
    CPP_WORDSZ -
    -The word size in bits as a constant suitable for preprocessor tests, -i.e. without casts or sizeof expressions. Currently always defined as -either 64 or 32. For platforms supporting both 32- and 64-bit ABIs, -this should be conditionally defined depending on the current ABI. -There is a default of 32. -
    ALIGNMENT -
    -Defined to be the largest N, such that -all pointer are guaranteed to be aligned on N-byte boundaries. -defining it to be 1 will always work, but perform poorly. -For all modern 32-bit platforms, this is 4. For all modern 64-bit -platforms, this is 8. Whether or not X86 qualifies as a modern -architecture here is compiler- and OS-dependent. -
    DATASTART -
    -The beginning of the main data segment. The collector will trace all -memory between DATASTART and DATAEND for root pointers. -On some platforms,this can be defined to a constant address, -though experience has shown that to be risky. Ideally the linker will -define a symbol (e.g. _data whose address is the beginning -of the data segment. Sometimes the value can be computed using -the GC_SysVGetDataStart function. Not used if either -the next macro is defined, or if dynamic loading is supported, and the -dynamic loading support defines a function -GC_register_main_static_data() which returns false. -
    SEARCH_FOR_DATA_START -
    -If this is defined DATASTART will be defined to a dynamically -computed value which is obtained by starting with the address of -_end and walking backwards until non-addressable memory is found. -This often works on Posix-like platforms. It makes it harder to debug -client programs, since startup involves generating and catching a -segmentation fault, which tends to confuse users. -
    DATAEND -
    -Set to the end of the main data segment. Defaults to end, -where that is declared as an array. This works in some cases, since -the linker introduces a suitable symbol. -
    DATASTART2, DATAEND2 -
    -Some platforms have two discontiguous main data segments, e.g. -for initialized and uninitialized data. If so, these two macros -should be defined to the limits of the second main data segment. -
    STACK_GROWS_UP -
    -Should be defined if the stack (or thread stacks) grow towards higher -addresses. (This appears to be true only on PA-RISC. If your architecture -has more than one stack per thread, and is not already supported, you will -need to do more work. Grep for "IA64" in the source for an example.) -
    STACKBOTTOM -
    -Defined to be the cool end of the stack, which is usually the -highest address in the stack. It must bound the region of the -stack that contains pointers into the GC heap. With thread support, -this must be the cold end of the main stack, which typically -cannot be found in the same way as the other thread stacks. -If this is not defined and none of the following three macros -is defined, client code must explicitly set -GC_stackbottom to an appropriate value before calling -GC_INIT() or any other GC_ routine. -
    LINUX_STACKBOTTOM -
    -May be defined instead of STACKBOTTOM. -If defined, then the cold end of the stack will be determined -Currently we usually read it from /proc. -
    HEURISTIC1 -
    -May be defined instead of STACKBOTTOM. -STACK_GRAN should generally also be undefined and defined. -The cold end of the stack is determined by taking an address inside -GC_init's frame, and rounding it up to -the next multiple of STACK_GRAN. This works well if the stack base is -always aligned to a large power of two. -(STACK_GRAN is predefined to 0x1000000, which is -rarely optimal.) -
    HEURISTIC2 -
    -May be defined instead of STACKBOTTOM. -The cold end of the stack is determined by taking an address inside -GC_init's frame, incrementing it repeatedly -in small steps (decrement if STACK_GROWS_UP), and reading the value -at each location. We remember the value when the first -Segmentation violation or Bus error is signalled, round that -to the nearest plausible page boundary, and use that as the -stack base. -
    DYNAMIC_LOADING -
    -Should be defined if dyn_load.c has been updated for this -platform and tracing of dynamic library roots is supported. -
    MPROTECT_VDB, PROC_VDB -
    -May be defined if the corresponding "virtual dirty bit" -implementation in os_dep.c is usable on this platform. This -allows incremental/generational garbage collection. -MPROTECT_VDB identifies modified pages by -write protecting the heap and catching faults. -PROC_VDB uses the /proc primitives to read dirty bits. -
    PREFETCH, PREFETCH_FOR_WRITE -
    -The collector uses PREFETCH(x) to preload the cache -with *x. -This defaults to a no-op. -
    CLEAR_DOUBLE -
    -If CLEAR_DOUBLE is defined, then -CLEAR_DOUBLE(x) is used as a fast way to -clear the two words at GC_malloc-aligned address x. By default, -word stores of 0 are used instead. -
    HEAP_START -
    -HEAP_START may be defined as the initial address hint for mmap-based -allocation. -
    ALIGN_DOUBLE -
    -Should be defined if the architecture requires double-word alignment -of GC_malloced memory, e.g. 8-byte alignment with a -32-bit ABI. Most modern machines are likely to require this. -This is no longer needed for GC7 and later. -
    -

    Additional requirements for a basic port

    -In some cases, you may have to add additional platform-specific code -to other files. A likely candidate is the implementation of -GC_with_callee_saves_pushed in mach_dep.c. -This ensure that register contents that the collector must trace -from are copied to the stack. Typically this can be done portably, -but on some platforms it may require assembly code, or just -tweaking of conditional compilation tests. -

    -For GC7, if your platform supports getcontext(), then definining -the macro UNIX_LIKE for your OS in gcconfig.h -(if it isn't defined there already) is likely to solve the problem. -otherwise, if you are using gcc, _builtin_unwind_init() -will be used, and should work fine. If that is not applicable either, -the implementation will try to use setjmp(). This will work if your -setjmp implementation saves all possibly pointer-valued registers -into the buffer, as opposed to trying to unwind the stack at -longjmp time. The setjmp_test test tries to determine this, -but often doesn't get it right. -

    -In GC6.x versions of the collector, tracing of registers -was more commonly handled -with assembly code. In GC7, this is generally to be avoided. -

    -Most commonly os_dep.c will not require attention, but see below. -

    Thread support

    -Supporting threads requires that the collector be able to find and suspend -all threads potentially accessing the garbage-collected heap, and locate -any state associated with each thread that must be traced. -

    -The functionality needed for thread support is generally implemented -in one or more files specific to the particular thread interface. -For example, somewhat portable pthread support is implemented -in pthread_support.c and pthread_stop_world.c. -The essential functionality consists of -

    -
    GC_stop_world() -
    -Stops all threads which may access the garbage collected heap, other -than the caller. -
    GC_start_world() -
    -Restart other threads. -
    GC_push_all_stacks() -
    -Push the contents of all thread stacks (or at least of pointer-containing -regions in the thread stacks) onto the mark stack. -
    -These very often require that the garbage collector maintain its -own data structures to track active threads. -

    -In addition, LOCK and UNLOCK must be implemented -in gc_locks.h -

    -The easiest case is probably a new pthreads platform -on which threads can be stopped -with signals. In this case, the changes involve: -

      -
    1. Introducing a suitable GC_X_THREADS macro, which should -be automatically defined by gc_config_macros.h in the right cases. -It should also result in a definition of GC_PTHREADS, as for the -existing cases. -
    2. For GC7+, ensuring that the atomic_ops package at least -minimally supports the platform. -If incremental GC is needed, or if pthread locks don't -perform adequately as the allocation lock, you will probably need to -ensure that a sufficient atomic_ops port -exists for the platform to provided an atomic test and set -operation. (Current GC7 versions require moreatomic_ops -asupport than necessary. This is a bug.) For earlier versions define -GC_test_and_set in gc_locks.h. -
    3. Making any needed adjustments to pthread_stop_world.c and -pthread_support.c. Ideally none should be needed. In fact, -not all of this is as well standardized as one would like, and outright -bugs requiring workarounds are common. -
    -Non-preemptive threads packages will probably require further work. Similarly -thread-local allocation and parallel marking requires further work -in pthread_support.c, and may require better atomic_ops -support. -

    Dynamic library support

    -So long as DATASTART and DATAEND are defined correctly, -the collector will trace memory reachable from file scope or static -variables defined as part of the main executable. This is sufficient -if either the program is statically linked, or if pointers to the -garbage-collected heap are never stored in non-stack variables -defined in dynamic libraries. -

    -If dynamic library data sections must also be traced, then -

      -
    • DYNAMIC_LOADING must be defined in the appropriate section -of gcconfig.h. -
    • An appropriate versions of the functions -GC_register_dynamic_libraries() should be defined in -dyn_load.c. This function should invoke -GC_cond_add_roots(region_start, region_end, TRUE) -on each dynamic library data section. -
    -

    -Implementations that scan for writable data segments are error prone, particularly -in the presence of threads. They frequently result in race conditions -when threads exit and stacks disappear. They may also accidentally trace -large regions of graphics memory, or mapped files. On at least -one occasion they have been known to try to trace device memory that -could not safely be read in the manner the GC wanted to read it. -

    -It is usually safer to walk the dynamic linker data structure, especially -if the linker exports an interface to do so. But beware of poorly documented -locking behavior in this case. -

    Incremental GC support

    -For incremental and generational collection to work, os_dep.c -must contain a suitable "virtual dirty bit" implementation, which -allows the collector to track which heap pages (assumed to be -a multiple of the collectors block size) have been written during -a certain time interval. The collector provides several -implementations, which might be adapted. The default -(DEFAULT_VDB) is a placeholder which treats all pages -as having been written. This ensures correctness, but renders -incremental and generational collection essentially useless. -

    Stack traces for debug support

    -If stack traces in objects are need for debug support, -GC_dave_callers and GC_print_callers must be -implemented. -

    Disclaimer

    -This is an initial pass at porting guidelines. Some things -have no doubt been overlooked. - - diff --git a/vendor/gc/doc/scale.html b/vendor/gc/doc/scale.html deleted file mode 100644 index 59da7bc..0000000 --- a/vendor/gc/doc/scale.html +++ /dev/null @@ -1,213 +0,0 @@ - - -Garbage collector scalability - - -

    Garbage collector scalability

    -In its default configuration, the Boehm-Demers-Weiser garbage collector -is not thread-safe. It can be made thread-safe for a number of environments -by building the collector with the appropriate --DXXX-THREADS compilation -flag. This has primarily two effects: -
      -
    1. It causes the garbage collector to stop all other threads when -it needs to see a consistent memory state. -
    2. It causes the collector to acquire a lock around essentially all -allocation and garbage collection activity. -
    -Since a single lock is used for all allocation-related activity, only one -thread can be allocating or collecting at one point. This inherently -limits performance of multi-threaded applications on multiprocessors. -

    -On most platforms, the allocator/collector lock is implemented as a -spin lock with exponential back-off. Longer wait times are implemented -by yielding and/or sleeping. If a collection is in progress, the pure -spinning stage is skipped. This has the advantage that uncontested and -thus most uniprocessor lock acquisitions are very cheap. It has the -disadvantage that the application may sleep for small periods of time -even when there is work to be done. And threads may be unnecessarily -woken up for short periods. Nonetheless, this scheme empirically -outperforms native queue-based mutual exclusion implementations in most -cases, sometimes drastically so. -

    Options for enhanced scalability

    -Version 6.0 of the collector adds two facilities to enhance collector -scalability on multiprocessors. As of 6.0alpha1, these are supported -only under Linux on X86 and IA64 processors, though ports to other -otherwise supported Pthreads platforms should be straightforward. -They are intended to be used together. -
      -
    • -Building the collector with -DPARALLEL_MARK allows the collector to -run the mark phase in parallel in multiple threads, and thus on multiple -processors. The mark phase typically consumes the large majority of the -collection time. Thus this largely parallelizes the garbage collector -itself, though not the allocation process. Currently the marking is -performed by the thread that triggered the collection, together with -N-1 dedicated -threads, where N is the number of processors detected by the collector. -The dedicated threads are created once at initialization time. -

      -A second effect of this flag is to switch to a more concurrent -implementation of GC_malloc_many, so that free lists can be -built, and memory can be cleared, by more than one thread concurrently. -

    • -Building the collector with -DTHREAD_LOCAL_ALLOC adds support for thread -local allocation. Before GC version 7.0, it did not, by itself, cause -thread local allocation to be used. It simply allowed the use of the -interface in gc_local_alloc.h. Since version 7.0, this causes -GC_malloc, GC_malloc_atomic, and GC_gcj_malloc to be redefined to perform -thread-local allocation. -

      -Memory returned from thread-local allocators is completely interchangeable -with that returned by the standard allocators. It may be used by other -threads. The only difference is that, if the thread allocates enough -memory of a certain kind, it will build a thread-local free list for -objects of that kind, and allocate from that. This greatly reduces -locking. The thread-local free lists are refilled using -GC_malloc_many. -

      -An important side effect of this flag is to replace the default -spin-then-sleep lock to be replace by a spin-then-queue based implementation. -This reduces performance for the standard allocation functions, -though it usually improves performance when thread-local allocation is -used heavily, and thus the number of short-duration lock acquisitions -is greatly reduced. -

    -

    -The easiest way to switch an application to thread-local allocation -in a pre-version-7.0 collector was to -

      -
    1. Define the macro GC_REDIRECT_TO_LOCAL, -and then include the gc.h -header in each client source file. -
    2. Invoke GC_thr_init() before any allocation. -
    3. Allocate using GC_MALLOC, GC_MALLOC_ATOMIC, -and/or GC_GCJ_MALLOC. -
    -

    The Parallel Marking Algorithm

    -We use an algorithm similar to -that developed by -Endo, Taura, and Yonezawa at the University of Tokyo. -However, the data structures and implementation are different, -and represent a smaller change to the original collector source, -probably at the expense of extreme scalability. Some of -the refinements they suggest, e.g. splitting large -objects, were also incorporated into out approach. -

    -The global mark stack is transformed into a global work queue. -Unlike the usual case, it never shrinks during a mark phase. -The mark threads remove objects from the queue by copying them to a -local mark stack and changing the global descriptor to zero, indicating -that there is no more work to be done for this entry. -This removal -is done with no synchronization. Thus it is possible for more than -one worker to remove the same entry, resulting in some work duplication. -

    -The global work queue grows only if a marker thread decides to -return some of its local mark stack to the global one. This -is done if the global queue appears to be running low, or if -the local stack is in danger of overflowing. It does require -synchronization, but should be relatively rare. -

    -The sequential marking code is reused to process local mark stacks. -Hence the amount of additional code required for parallel marking -is minimal. -

    -It should be possible to use generational collection in the presence of the -parallel collector, by calling GC_enable_incremental(). -This does not result in fully incremental collection, since parallel mark -phases cannot currently be interrupted, and doing so may be too -expensive. -

    -Gcj-style mark descriptors do not currently mix with the combination -of local allocation and incremental collection. They should work correctly -with one or the other, but not both. -

    -The number of marker threads is set on startup to the number of -available processors (or to the value of the GC_NPROCS -environment variable). If only a single processor is detected, -parallel marking is disabled. -

    -Note that setting GC_NPROCS to 1 also causes some lock acquisitions inside -the collector to immediately yield the processor instead of busy waiting -first. In the case of a multiprocessor and a client with multiple -simultaneously runnable threads, this may have disastrous performance -consequences (e.g. a factor of 10 slowdown). -

    Performance

    -We conducted some simple experiments with a version of -our GC benchmark that was slightly modified to -run multiple concurrent client threads in the same address space. -Each client thread does the same work as the original benchmark, but they share -a heap. -This benchmark involves very little work outside of memory allocation. -This was run with GC 6.0alpha3 on a dual processor Pentium III/500 machine -under Linux 2.2.12. -

    -Running with a thread-unsafe collector, the benchmark ran in 9 -seconds. With the simple thread-safe collector, -built with -DLINUX_THREADS, the execution time -increased to 10.3 seconds, or 23.5 elapsed seconds with two clients. -(The times for the malloc/ifree version -with glibc malloc -are 10.51 (standard library, pthreads not linked), -20.90 (one thread, pthreads linked), -and 24.55 seconds respectively. The benchmark favors a -garbage collector, since most objects are small.) -

    -The following table gives execution times for the collector built -with parallel marking and thread-local allocation support -(-DGC_LINUX_THREADS -DPARALLEL_MARK -DTHREAD_LOCAL_ALLOC). We tested -the client using either one or two marker threads, and running -one or two client threads. Note that the client uses thread local -allocation exclusively. With -DTHREAD_LOCAL_ALLOC the collector -switches to a locking strategy that is better tuned to less frequent -lock acquisition. The standard allocation primitives thus peform -slightly worse than without -DTHREAD_LOCAL_ALLOC, and should be -avoided in time-critical code. -

    -(The results using pthread_mutex_lock -directly for allocation locking would have been worse still, at -least for older versions of linuxthreads. -With THREAD_LOCAL_ALLOC, we first repeatedly try to acquire the -lock with pthread_mutex_try_lock(), busy_waiting between attempts. -After a fixed number of attempts, we use pthread_mutex_lock().) -

    -These measurements do not use incremental collection, nor was prefetching -enabled in the marker. We used the C version of the benchmark. -All measurements are in elapsed seconds on an unloaded machine. -

    - - - - - -
    Number of threads1 marker thread (secs.)2 marker threads (secs.)
    1 client10.457.85
    2 clients19.9512.3
    - -The execution time for the single threaded case is slightly worse than with -simple locking. However, even the single-threaded benchmark runs faster than -even the thread-unsafe version if a second processor is available. -The execution time for two clients with thread local allocation time is -only 1.4 times the sequential execution time for a single thread in a -thread-unsafe environment, even though it involves twice the client work. -That represents close to a -factor of 2 improvement over the 2 client case with the old collector. -The old collector clearly -still suffered from some contention overhead, in spite of the fact that the -locking scheme had been fairly well tuned. -

    -Full linear speedup (i.e. the same execution time for 1 client on one -processor as 2 clients on 2 processors) -is probably not achievable on this kind of -hardware even with such a small number of processors, -since the memory system is -a major constraint for the garbage collector, -the processors usually share a single memory bus, and thus -the aggregate memory bandwidth does not increase in -proportion to the number of processors. -

    -These results are likely to be very sensitive to both hardware and OS -issues. Preliminary experiments with an older Pentium Pro machine running -an older kernel were far less encouraging. - - - diff --git a/vendor/gc/doc/simple_example.html b/vendor/gc/doc/simple_example.html deleted file mode 100644 index 0bc0953..0000000 --- a/vendor/gc/doc/simple_example.html +++ /dev/null @@ -1,202 +0,0 @@ - - -Using the Garbage Collector: A simple example - - -

    Using the Garbage Collector: A simple example

    -The following consists of step-by-step instructions for building and -using the collector. We'll assume a Linux/gcc platform and -a single-threaded application. The green -text contains information about other platforms or scenarios. -It can be skipped, especially on first reading. -

    Building the collector

    -If you haven't already so, unpack the collector and enter -the newly created directory with -
    -tar xvfz gc.tar.gz
    -cd gc
    -
    -

    -You can configure, build, and install the collector in a private -directory, say /home/xyz/gc, with the following commands: -

    -./configure --prefix=/home/xyz/gc --disable-threads
    -make
    -make check
    -make install
    -
    -Here the "make check" command is optional, but highly recommended. -It runs a basic correctness test which usually takes well under a minute. - -

    Other platforms

    -On non-Unix, non-Linux platforms, the collector is usually built by copying -the appropriate makefile (see the platform-specific README in doc/README.xxx -in the distribution) to the file "Makefile" (overwriting the copy of -Makefile.direct that was originally there), and then typing "make" -(or "nmake" or ...). This builds the library in the source tree. You may -want to move it and the files in the include directory to a more convenient -place. -

    -If you use a makefile that does not require running a configure script, -you should first look at the makefile, and adjust any options that are -documented there. -

    -If your platform provides a "make" utility, that is generally preferred -to platform- and compiler- dependent "project" files. (At least that is the -strong preference of the would-be maintainer of those project files.) -

    Threads

    -If you need thread support, configure the collector with -
    ---enable-threads=posix --enable-thread-local-alloc --enable-parallel-mark
    -
    -instead of ---disable-threads -If your target is a real old-fashioned uniprocessor (no "hyperthreading", -etc.) you will want to omit --enable-parallel-mark. -

    C++

    -You will need to include the C++ support, which unfortunately tends to -be among the least portable parts of the collector, since it seems -to rely on some corner cases of the language. On Linux, it -suffices to add --enable-cplusplus to the configure options. -
    -

    Writing the program

    -You will need a -
    -#include "gc.h"
    -
    -at the beginning of every file that allocates memory through the -garbage collector. Call GC_MALLOC wherever you would -have call malloc. This initializes memory to zero like -calloc; there is no need to explicitly clear the -result. -

    -If you know that an object will not contain pointers to the -garbage-collected heap, and you don't need it to be initialized, -call GC_MALLOC_ATOMIC instead. -

    -A function GC_FREE is provided but need not be called. -For very small objects, your program will probably perform better if -you do not call it, and let the collector do its job. -

    -A GC_REALLOC function behaves like the C library realloc. -It allocates uninitialized pointer-free memory if the original -object was allocated that way. -

    -The following program loop.c is a trivial example: -

    -#include "gc.h"
    -#include <assert.h>
    -#include <stdio.h>
    -
    -int main()
    -{
    -  int i;
    -
    -  GC_INIT();	/* Optional on Linux/X86; see below.  */
    -  for (i = 0; i < 10000000; ++i)
    -   {
    -     int **p = (int **) GC_MALLOC(sizeof(int *));
    -     int *q = (int *) GC_MALLOC_ATOMIC(sizeof(int));
    -     assert(*p == 0);
    -     *p = (int *) GC_REALLOC(q, 2 * sizeof(int));
    -     if (i % 100000 == 0)
    -       printf("Heap size = %d\n", GC_get_heap_size());
    -   }
    -  return 0;
    -}
    -
    - -

    Interaction with the system malloc

    -It is usually best not to mix garbage-collected allocation with the system -malloc-free. If you do, you need to be careful not to store -pointers to the garbage-collected heap in memory allocated with the system -malloc. -

    Other Platforms

    -On some other platforms it is necessary to call GC_INIT() from the main program, -which is presumed to be part of the main executable, not a dynamic library. -This can never hurt, and is thus generally good practice. - -

    Threads

    -For a multithreaded program some more rules apply: -
      -
    • -Files that either allocate through the GC or make thread-related calls -should first define the macro GC_THREADS, and then -include "gc.h". On some platforms this will redefine some -threads primitives, e.g. to let the collector keep track of thread creation. -
    • -To take advantage of fast thread-local allocation, use the following instead -of including gc.h: -
      -#define GC_REDIRECT_TO_LOCAL
      -#include "gc_local_alloc.h"
      -
      -This will cause GC_MALLOC and GC_MALLOC_ATOMIC to keep per-thread allocation -caches, and greatly reduce the number of lock acquisitions during allocation. -
    - -

    C++

    -In the case of C++, you need to be especially careful not to store pointers -to the garbage-collected heap in areas that are not traced by the collector. -The collector includes some alternate interfaces -to make that easier. - -

    Debugging

    -Additional debug checks can be performed by defining GC_DEBUG before -including gc.h. Additional options are available if the collector -is also built with --enable-full_debug and all allocations are -performed with GC_DEBUG defined. - -

    What if I can't rewrite/recompile my program?

    -You may be able to build the collector with --enable-redirect-malloc -and set the LD_PRELOAD environment variable to point to the resulting -library, thus replacing the standard malloc with its garbage-collected -counterpart. This is rather platform dependent. See the -leak detection documentation for some more details. - -
    - -

    Compiling and linking

    - -The above application loop.c test program can be compiled and linked -with - -
    -cc -I/home/xyz/gc/include loop.c /home/xyz/gc/lib/libgc.a -o loop
    -
    - -The -I option directs the compiler to the right include -directory. In this case, we list the static library -directly on the compile line; the dynamic library could have been -used instead, provided we arranged for the dynamic loader to find -it, e.g. by setting LD_LIBRARY_PATH. - - - -

    Threads

    - -On pthread platforms, you will of course also have to link with --lpthread, -and compile with any thread-safety options required by your compiler. -On some platforms, you may also need to link with -ldl -or -lrt. -Looking at threadlibs.c in the GC build directory -should give you the appropriate -list if a plain -lpthread doesn't work. - -
    - -

    Running the executable

    - -The executable can of course be run normally, e.g. by typing - -
    -./loop
    -
    - -The operation of the collector is affected by a number of environment variables. -For example, setting GC_PRINT_STATS produces some -GC statistics on stdout. -See README.environment in the distribution for details. - - diff --git a/vendor/gc/doc/tree.html b/vendor/gc/doc/tree.html deleted file mode 100644 index c46a281..0000000 --- a/vendor/gc/doc/tree.html +++ /dev/null @@ -1,199 +0,0 @@ - - - Two-Level Tree Structure for Fast Pointer Lookup - Hans-J. Boehm, Silicon Graphics (now at HP) - - -

    Two-Level Tree Structure for Fast Pointer Lookup

    -

    -The conservative garbage collector described -here -uses a 2-level tree -data structure to aid in fast pointer identification. -This data structure is described in a bit more detail here, since -

      -
    1. Variations of the data structure are more generally useful. -
    2. It appears to be hard to understand by reading the code. -
    3. Some other collectors appear to use inferior data structures to -solve the same problem. -
    4. It is central to fast collector operation. -
    -A candidate pointer is divided into three sections, the high, -middle, and low bits. The exact division between these -three groups of bits is dependent on the detailed collector configuration. -

    -The high and middle bits are used to look up an entry in the table described -here. The resulting table entry consists of either a block descriptor -(struct hblkhdr * or hdr *) -identifying the layout of objects in the block, or an indication that this -address range corresponds to the middle of a large block, together with a -hint for locating the actual block descriptor. Such a hint consist -of a displacement that can be subtracted from the middle bits of the candidate -pointer without leaving the object. -

    -In either case, the block descriptor (struct hblkhdr) -refers to a table of object starting addresses (the hb_map field). -The starting address table is indexed by the low bits if the candidate pointer. -The resulting entry contains a displacement to the beginning of the object, -or an indication that this cannot be a valid object pointer. -(If all interior pointer are recognized, pointers into large objects -are handled specially, as appropriate.) - -

    The Tree

    -

    -The rest of this discussion focuses on the two level data structure -used to map the high and middle bits to the block descriptor. -

    -The high bits are used as an index into the GC_top_index (really -GC_arrays._top_index) array. Each entry points to a -bottom_index data structure. This structure in turn consists -mostly of an array index indexed by the middle bits of -the candidate pointer. The index array contains the actual -hdr pointers. -

    -Thus a pointer lookup consists primarily of a handful of memory references, -and can be quite fast: -

      -
    1. The appropriate bottom_index pointer is looked up in -GC_top_index, based on the high bits of the candidate pointer. -
    2. The appropriate hdr pointer is looked up in the -bottom_index structure, based on the middle bits. -
    3. The block layout map pointer is retrieved from the hdr -structure. (This memory reference is necessary since we try to share -block layout maps.) -
    4. The displacement to the beginning of the object is retrieved from the -above map. -
    -

    -In order to conserve space, not all GC_top_index entries in fact -point to distinct bottom_index structures. If no address with -the corresponding high bits is part of the heap, then the entry points -to GC_all_nils, a single bottom_index structure consisting -only of NULL hdr pointers. -

    -Bottom_index structures contain slightly more information than -just hdr pointers. The asc_link field is used to link -all bottom_index structures in ascending order for fast traversal. -This list is pointed to be GC_all_bottom_indices. -It is maintained with the aid of key field that contains the -high bits corresponding to the bottom_index. - -

    64 bit addresses

    -

    -In the case of 64 bit addresses, this picture is complicated slightly -by the fact that one of the index structures would have to be huge to -cover the entire address space with a two level tree. We deal with this -by turning GC_top_index into a chained hash table, instead of -a simple array. This adds a hash_link field to the -bottom_index structure. -

    -The "hash function" consists of dropping the high bits. This is cheap to -compute, and guarantees that there will be no collisions if the heap -is contiguous and not excessively large. - -

    A picture

    -

    -The following is an ASCII diagram of the data structure. -This was contributed by Dave Barrett several years ago. -

    -
    -		Data Structure used by GC_base in gc3.7:
    -			      21-Apr-94
    -			 
    -			
    -
    -
    -    63                  LOG_TOP_SZ[11]  LOG_BOTTOM_SZ[10]   LOG_HBLKSIZE[13]
    -   +------------------+----------------+------------------+------------------+
    - p:|                  |   TL_HASH(hi)  |                  |   HBLKDISPL(p)   |
    -   +------------------+----------------+------------------+------------------+
    -    \-----------------------HBLKPTR(p)-------------------/
    -    \------------hi-------------------/ 
    -                      \______ ________/ \________ _______/ \________ _______/
    -                             V                   V                  V
    -                             |                   |                  |
    -           GC_top_index[]    |                   |                  | 
    - ---      +--------------+   |                   |                  |  
    -  ^       |              |   |                   |                  |   
    -  |       |              |   |                   |                  |   
    - TOP      +--------------+<--+                   |                  |      
    - _SZ   +-<|      []      | *                     |                  |     
    -(items)|  +--------------+  if 0 < bi< HBLKSIZE  |                  |    
    -  |    |  |              | then large object     |                  |    
    -  |    |  |              | starts at the bi'th   |                  |    
    -  v    |  |              | HBLK before p.        |             i    |    
    - ---   |  +--------------+                       |          (word-  |    
    -       v                                         |         aligned) |    
    -   bi= |GET_BI(p){->hash_link}->key==hi          |                  |   
    -       v                                         |                  |    
    -       |   (bottom_index)  \ scratch_alloc'd     |                  |    
    -       |   ( struct  bi )  / by get_index()      |                  |    
    - ---   +->+--------------+                       |                  |    
    -  ^       |              |                       |                  |
    -  ^       |              |                       |                  |
    - BOTTOM   |              |   ha=GET_HDR_ADDR(p)  |                  |
    -_SZ(items)+--------------+<----------------------+          +-------+
    -  |   +--<|   index[]    |                                  |         
    -  |   |   +--------------+                      GC_obj_map: v              
    -  |   |   |              |              from      / +-+-+-----+-+-+-+-+  --- 
    -  v   |   |              |              GC_add   < 0| | |     | | | | |   ^  
    - ---  |   +--------------+             _map_entry \ +-+-+-----+-+-+-+-+   |  
    -      |   |   asc_link   |                          +-+-+-----+-+-+-+-+ MAXOBJSZ
    -      |   +--------------+                      +-->| | |  j  | | | | |  +1   
    -      |   |     key      |                      |   +-+-+-----+-+-+-+-+   |  
    -      |   +--------------+                      |   +-+-+-----+-+-+-+-+   | 
    -      |   |  hash_link   |                      |   | | |     | | | | |   v 
    -      |   +--------------+                      |   +-+-+-----+-+-+-+-+  ---
    -      |                                         |   |<--MAX_OFFSET--->|   
    -      |                                         |         (bytes)
    -HDR(p)| GC_find_header(p)                       |   |<--MAP_ENTRIES-->| 
    -      |                           \ from        |    =HBLKSIZE/WORDSZ   
    -      |    (hdr) (struct hblkhdr) / alloc_hdr() |    (1024 on Alpha)
    -      +-->+----------------------+              |    (8/16 bits each)
    -GET_HDR(p)| word   hb_sz (words) |              |          
    -          +----------------------+              |     
    -          | struct hblk *hb_next |              |
    -          +----------------------+              |       
    -          |mark_proc hb_mark_proc|              |
    -          +----------------------+              |
    -          | char * hb_map        |>-------------+
    -          +----------------------+           
    -          | ushort hb_obj_kind   |           
    -          +----------------------+           
    -          |   hb_last_reclaimed  |           
    - ---      +----------------------+                
    -  ^       |                      |
    - MARK_BITS|       hb_marks[]     | *if hdr is free, hb_sz + DISCARD_WORDS
    -_SZ(words)|                      |  is the size of a heap chunk (struct hblk)
    -  v       |                      |  of at least MININCR*HBLKSIZE bytes (below),
    - ---      +----------------------+  otherwise, size of each object in chunk.
    -
    -Dynamic data structures above are interleaved throughout the heap in blocks of 
    -size MININCR * HBLKSIZE bytes as done by gc_scratch_alloc which cannot be
    -freed; free lists are used (e.g. alloc_hdr).  HBLK's below are collected.
    -
    -	      (struct hblk)      
    - ---      +----------------------+ < HBLKSIZE ---         ---          DISCARD_
    -  ^       |garbage[DISCARD_WORDS]|   aligned   ^           ^ HDR_BYTES WORDS
    -  |       |                      |             |           v (bytes)   (words)
    -  |       +-----hb_body----------+ < WORDSZ    |          ---   ---   
    -  |       |                      |   aligned   |           ^     ^
    -  |       |      Object 0        |             |           hb_sz |
    -  |       |                      |           i |(word-    (words)|
    -  |       |                      |      (bytes)|aligned)   v     |
    -  |       + - - - - - - - - - - -+ ---         |          ---    |
    -  |       |                      |  ^          |           ^     |
    -  n *     |                      |  j (words)  |          hb_sz BODY_SZ 
    - HBLKSIZE |      Object 1        |  v          v           |   (words)
    - (bytes)  |                      |---------------          v   MAX_OFFSET
    -  |       + - - - - - - - - - - -+                        ---  (bytes)
    -  |       |                      | !All_INTERIOR_PTRS      ^     |
    -  |       |                      | sets j only for       hb_sz   |
    -  |       |      Object N        | valid object offsets.   |     |
    -  v       |                      | All objects WORDSZ      v     v
    - ---      +----------------------+ aligned.               ---   ---
    -
    -DISCARD_WORDS is normally zero.  Indeed the collector has not been tested
    -with another value in ages.
    -
    - diff --git a/vendor/gc/dyn_load.c b/vendor/gc/dyn_load.c deleted file mode 100644 index 5346928..0000000 --- a/vendor/gc/dyn_load.c +++ /dev/null @@ -1,1231 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1997 by Silicon Graphics. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - * Original author: Bill Janssen - * Heavily modified by Hans Boehm and others - */ - -/* - * This is incredibly OS specific code for tracking down data sections in - * dynamic libraries. There appears to be no way of doing this quickly - * without groveling through undocumented data structures. We would argue - * that this is a bug in the design of the dlopen interface. THIS CODE - * MAY BREAK IN FUTURE OS RELEASES. If this matters to you, don't hesitate - * to let your vendor know ... - * - * None of this is safe with dlclose and incremental collection. - * But then not much of anything is safe in the presence of dlclose. - */ -#if (defined(__linux__) || defined(__GLIBC__) || defined(__GNU__)) \ - && !defined(_GNU_SOURCE) - /* Can't test LINUX, since this must be defined before other includes */ -# define _GNU_SOURCE -#endif -#if !defined(MACOS) && !defined(_WIN32_WCE) -# include -#endif -#include "private/gc_priv.h" - -/* BTL: avoid circular redefinition of dlopen if GC_SOLARIS_THREADS defined */ -# if (defined(GC_PTHREADS) || defined(GC_SOLARIS_THREADS)) \ - && defined(dlopen) && !defined(GC_USE_LD_WRAP) - /* To support threads in Solaris, gc.h interposes on dlopen by */ - /* defining "dlopen" to be "GC_dlopen", which is implemented below. */ - /* However, both GC_FirstDLOpenedLinkMap() and GC_dlopen() use the */ - /* real system dlopen() in their implementation. We first remove */ - /* gc.h's dlopen definition and restore it later, after GC_dlopen(). */ -# undef dlopen -# define GC_must_restore_redefined_dlopen -# else -# undef GC_must_restore_redefined_dlopen -# endif - -/* A user-supplied routine that is called to determine if a DSO must - be scanned by the gc. */ -static int (*GC_has_static_roots)(const char *, void *, size_t); - - -#if (defined(DYNAMIC_LOADING) || defined(MSWIN32) || defined(MSWINCE)) \ - && !defined(PCR) -#if !defined(SOLARISDL) && !defined(IRIX5) && \ - !defined(MSWIN32) && !defined(MSWINCE) && \ - !(defined(ALPHA) && defined(OSF1)) && \ - !defined(HPUX) && !(defined(LINUX) && defined(__ELF__)) && \ - !defined(AIX) && !defined(SCO_ELF) && !defined(DGUX) && \ - !(defined(FREEBSD) && defined(__ELF__)) && \ - !(defined(NETBSD) && defined(__ELF__)) && !defined(HURD) && \ - !defined(DARWIN) && !defined(CYGWIN32) - --> We only know how to find data segments of dynamic libraries for the - --> above. Additional SVR4 variants might not be too - --> hard to add. -#endif - -#include -#ifdef SOLARISDL -# include -# include -# include -#endif - -#if defined(NETBSD) -# include -# define ELFSIZE ARCH_ELFSIZE -#endif - -#if defined(LINUX) && defined(__ELF__) || defined(SCO_ELF) || \ - (defined(FREEBSD) && defined(__ELF__)) || defined(DGUX) || \ - (defined(NETBSD) && defined(__ELF__)) || defined(HURD) -# include -# include -# include -#endif - -/* Newer versions of GNU/Linux define this macro. We - * define it similarly for any ELF systems that don't. */ -# ifndef ElfW -# if defined(FREEBSD) -# if __ELF_WORD_SIZE == 32 -# define ElfW(type) Elf32_##type -# else -# define ElfW(type) Elf64_##type -# endif -# elif defined(NETBSD) -# if ELFSIZE == 32 -# define ElfW(type) Elf32_##type -# else -# define ElfW(type) Elf64_##type -# endif -# else -# if !defined(ELF_CLASS) || ELF_CLASS == ELFCLASS32 -# define ElfW(type) Elf32_##type -# else -# define ElfW(type) Elf64_##type -# endif -# endif -# endif - -#if defined(SOLARISDL) && !defined(USE_PROC_FOR_LIBRARIES) - -#ifdef LINT - Elf32_Dyn _DYNAMIC; -#endif - -static struct link_map * -GC_FirstDLOpenedLinkMap() -{ - extern ElfW(Dyn) _DYNAMIC; - ElfW(Dyn) *dp; - struct r_debug *r; - static struct link_map * cachedResult = 0; - static ElfW(Dyn) *dynStructureAddr = 0; - /* BTL: added to avoid Solaris 5.3 ld.so _DYNAMIC bug */ - -# ifdef SUNOS53_SHARED_LIB - /* BTL: Avoid the Solaris 5.3 bug that _DYNAMIC isn't being set */ - /* up properly in dynamically linked .so's. This means we have */ - /* to use its value in the set of original object files loaded */ - /* at program startup. */ - if( dynStructureAddr == 0 ) { - void* startupSyms = dlopen(0, RTLD_LAZY); - dynStructureAddr = (ElfW(Dyn)*)dlsym(startupSyms, "_DYNAMIC"); - } -# else - dynStructureAddr = &_DYNAMIC; -# endif - - if( dynStructureAddr == 0) { - return(0); - } - if( cachedResult == 0 ) { - int tag; - for( dp = ((ElfW(Dyn) *)(&_DYNAMIC)); (tag = dp->d_tag) != 0; dp++ ) { - if( tag == DT_DEBUG ) { - struct link_map *lm - = ((struct r_debug *)(dp->d_un.d_ptr))->r_map; - if( lm != 0 ) cachedResult = lm->l_next; /* might be NIL */ - break; - } - } - } - return cachedResult; -} - -#endif /* SOLARISDL ... */ - -/* BTL: added to fix circular dlopen definition if GC_SOLARIS_THREADS defined */ -# if defined(GC_must_restore_redefined_dlopen) -# define dlopen GC_dlopen -# endif - -# if defined(SOLARISDL) -/* Add dynamic library data sections to the root set. */ -# if !defined(PCR) && !defined(GC_SOLARIS_THREADS) && defined(THREADS) - --> fix mutual exclusion with dlopen -# endif - -# ifndef USE_PROC_FOR_LIBRARIES -void GC_register_dynamic_libraries() -{ - struct link_map *lm = GC_FirstDLOpenedLinkMap(); - - - for (lm = GC_FirstDLOpenedLinkMap(); - lm != (struct link_map *) 0; lm = lm->l_next) - { - ElfW(Ehdr) * e; - ElfW(Phdr) * p; - unsigned long offset; - char * start; - register int i; - - e = (ElfW(Ehdr) *) lm->l_addr; - p = ((ElfW(Phdr) *)(((char *)(e)) + e->e_phoff)); - offset = ((unsigned long)(lm->l_addr)); - for( i = 0; i < (int)(e->e_phnum); ((i++),(p++)) ) { - switch( p->p_type ) { - case PT_LOAD: - { - if( !(p->p_flags & PF_W) ) break; - start = ((char *)(p->p_vaddr)) + offset; - GC_add_roots_inner( - start, - start + p->p_memsz, - TRUE - ); - } - break; - default: - break; - } - } - } -} - -# endif /* !USE_PROC ... */ -# endif /* SOLARISDL */ - -#if defined(LINUX) && defined(__ELF__) || defined(SCO_ELF) || \ - (defined(FREEBSD) && defined(__ELF__)) || defined(DGUX) || \ - (defined(NETBSD) && defined(__ELF__)) || defined(HURD) - - -#ifdef USE_PROC_FOR_LIBRARIES - -#include - -#include -#include -#include - -#define MAPS_BUF_SIZE (32*1024) - -extern ssize_t GC_repeat_read(int fd, char *buf, size_t count); - /* Repeatedly read until buffer is filled, or EOF is encountered */ - /* Defined in os_dep.c. */ - -char *GC_parse_map_entry(char *buf_ptr, ptr_t *start, ptr_t *end, - char **prot, unsigned int *maj_dev, - char **mapping_name); -char *GC_get_maps(void); - /* From os_dep.c */ - -/* Sort an array of HeapSects by start address. */ -/* Unfortunately at least some versions of */ -/* Linux qsort end up calling malloc by way of sysconf, and hence can't */ -/* be used in the colector. Hence we roll our own. Should be */ -/* reasonably fast if the array is already mostly sorted, as we expect */ -/* it to be. */ -void sort_heap_sects(struct HeapSect *base, size_t number_of_elements) -{ - signed_word n = (signed_word)number_of_elements; - signed_word nsorted = 1; - signed_word i; - - while (nsorted < n) { - while (nsorted < n && - base[nsorted-1].hs_start < base[nsorted].hs_start) - ++nsorted; - if (nsorted == n) break; - GC_ASSERT(base[nsorted-1].hs_start > base[nsorted].hs_start); - i = nsorted - 1; - while (i >= 0 && base[i].hs_start > base[i+1].hs_start) { - struct HeapSect tmp = base[i]; - base[i] = base[i+1]; - base[i+1] = tmp; - --i; - } - GC_ASSERT(base[nsorted-1].hs_start < base[nsorted].hs_start); - ++nsorted; - } -} - -word GC_register_map_entries(char *maps) -{ - char *prot; - char *buf_ptr = maps; - int count; - ptr_t start, end; - unsigned int maj_dev; - ptr_t least_ha, greatest_ha; - unsigned i; - ptr_t datastart = (ptr_t)(DATASTART); - - GC_ASSERT(I_HOLD_LOCK()); - sort_heap_sects(GC_our_memory, GC_n_memory); - least_ha = GC_our_memory[0].hs_start; - greatest_ha = GC_our_memory[GC_n_memory-1].hs_start - + GC_our_memory[GC_n_memory-1].hs_bytes; - - for (;;) { - buf_ptr = GC_parse_map_entry(buf_ptr, &start, &end, &prot, &maj_dev, 0); - if (buf_ptr == NULL) return 1; - if (prot[1] == 'w') { - /* This is a writable mapping. Add it to */ - /* the root set unless it is already otherwise */ - /* accounted for. */ - if (start <= GC_stackbottom && end >= GC_stackbottom) { - /* Stack mapping; discard */ - continue; - } -# ifdef THREADS - /* This may fail, since a thread may already be */ - /* unregistered, but its thread stack may still be there. */ - /* That can fail because the stack may disappear while */ - /* we're marking. Thus the marker is, and has to be */ - /* prepared to recover from segmentation faults. */ - - if (GC_segment_is_thread_stack(start, end)) continue; - - /* FIXME: NPTL squirrels */ - /* away pointers in pieces of the stack segment that we */ - /* don't scan. We work around this */ - /* by treating anything allocated by libpthread as */ - /* uncollectable, as we do in some other cases. */ - /* A specifically identified problem is that */ - /* thread stacks contain pointers to dynamic thread */ - /* vectors, which may be reused due to thread caching. */ - /* They may not be marked if the thread is still live. */ - /* This specific instance should be addressed by */ - /* INCLUDE_LINUX_THREAD_DESCR, but that doesn't quite */ - /* seem to suffice. */ - /* We currently trace entire thread stacks, if they are */ - /* are currently cached but unused. This is */ - /* very suboptimal for performance reasons. */ -# endif - /* We no longer exclude the main data segment. */ - if (end <= least_ha || start >= greatest_ha) { - /* The easy case; just trace entire segment */ - GC_add_roots_inner((char *)start, (char *)end, TRUE); - continue; - } - /* Add sections that dont belong to us. */ - i = 0; - while (GC_our_memory[i].hs_start + GC_our_memory[i].hs_bytes - < start) - ++i; - GC_ASSERT(i < GC_n_memory); - if (GC_our_memory[i].hs_start <= start) { - start = GC_our_memory[i].hs_start - + GC_our_memory[i].hs_bytes; - ++i; - } - while (i < GC_n_memory && GC_our_memory[i].hs_start < end - && start < end) { - if ((char *)start < GC_our_memory[i].hs_start) - GC_add_roots_inner((char *)start, - GC_our_memory[i].hs_start, TRUE); - start = GC_our_memory[i].hs_start - + GC_our_memory[i].hs_bytes; - ++i; - } - if (start < end) - GC_add_roots_inner((char *)start, (char *)end, TRUE); - } - } - return 1; -} - -void GC_register_dynamic_libraries() -{ - if (!GC_register_map_entries(GC_get_maps())) - ABORT("Failed to read /proc for library registration."); -} - -/* We now take care of the main data segment ourselves: */ -GC_bool GC_register_main_static_data() -{ - return FALSE; -} - -# define HAVE_REGISTER_MAIN_STATIC_DATA - -#endif /* USE_PROC_FOR_LIBRARIES */ - -#if !defined(USE_PROC_FOR_LIBRARIES) -/* The following is the preferred way to walk dynamic libraries */ -/* For glibc 2.2.4+. Unfortunately, it doesn't work for older */ -/* versions. Thanks to Jakub Jelinek for most of the code. */ - -# if (defined(LINUX) || defined (__GLIBC__)) /* Are others OK here, too? */ \ - && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \ - || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG))) - -/* We have the header files for a glibc that includes dl_iterate_phdr. */ -/* It may still not be available in the library on the target system. */ -/* Thus we also treat it as a weak symbol. */ -#define HAVE_DL_ITERATE_PHDR - -static int GC_register_dynlib_callback(info, size, ptr) - struct dl_phdr_info * info; - size_t size; - void * ptr; -{ - const ElfW(Phdr) * p; - char * start; - register int i; - - /* Make sure struct dl_phdr_info is at least as big as we need. */ - if (size < offsetof (struct dl_phdr_info, dlpi_phnum) - + sizeof (info->dlpi_phnum)) - return -1; - - p = info->dlpi_phdr; - for( i = 0; i < (int)(info->dlpi_phnum); ((i++),(p++)) ) { - switch( p->p_type ) { - case PT_LOAD: - { - if( !(p->p_flags & PF_W) ) break; - start = ((char *)(p->p_vaddr)) + info->dlpi_addr; - - if (GC_has_static_roots - && !GC_has_static_roots(info->dlpi_name, start, p->p_memsz)) - break; - - GC_add_roots_inner(start, start + p->p_memsz, TRUE); - } - break; - default: - break; - } - } - - * (int *)ptr = 1; /* Signal that we were called */ - return 0; -} - -/* Return TRUE if we succeed, FALSE if dl_iterate_phdr wasn't there. */ - -#pragma weak dl_iterate_phdr - -GC_bool GC_register_dynamic_libraries_dl_iterate_phdr() -{ - if (dl_iterate_phdr) { - int did_something = 0; - dl_iterate_phdr(GC_register_dynlib_callback, &did_something); - if (!did_something) { - /* dl_iterate_phdr may forget the static data segment in */ - /* statically linked executables. */ - GC_add_roots_inner(DATASTART, (char *)(DATAEND), TRUE); -# if defined(DATASTART2) - GC_add_roots_inner(DATASTART2, (char *)(DATAEND2), TRUE); -# endif - } - - return TRUE; - } else { - return FALSE; - } -} - -/* Do we need to separately register the main static data segment? */ -GC_bool GC_register_main_static_data() -{ - return (dl_iterate_phdr == 0); -} - -#define HAVE_REGISTER_MAIN_STATIC_DATA - -# else /* !LINUX || version(glibc) < 2.2.4 */ - -/* Dynamic loading code for Linux running ELF. Somewhat tested on - * Linux/x86, untested but hopefully should work on Linux/Alpha. - * This code was derived from the Solaris/ELF support. Thanks to - * whatever kind soul wrote that. - Patrick Bridges */ - -/* This doesn't necessarily work in all cases, e.g. with preloaded - * dynamic libraries. */ - -#if defined(NETBSD) -# include -/* for compatibility with 1.4.x */ -# ifndef DT_DEBUG -# define DT_DEBUG 21 -# endif -# ifndef PT_LOAD -# define PT_LOAD 1 -# endif -# ifndef PF_W -# define PF_W 2 -# endif -#else -# include -#endif -#include - -# endif - -#ifdef __GNUC__ -# pragma weak _DYNAMIC -#endif -extern ElfW(Dyn) _DYNAMIC[]; - -static struct link_map * -GC_FirstDLOpenedLinkMap() -{ - ElfW(Dyn) *dp; - static struct link_map *cachedResult = 0; - - if( _DYNAMIC == 0) { - return(0); - } - if( cachedResult == 0 ) { - int tag; - for( dp = _DYNAMIC; (tag = dp->d_tag) != 0; dp++ ) { - if( tag == DT_DEBUG ) { - struct link_map *lm - = ((struct r_debug *)(dp->d_un.d_ptr))->r_map; - if( lm != 0 ) cachedResult = lm->l_next; /* might be NIL */ - break; - } - } - } - return cachedResult; -} - - -void GC_register_dynamic_libraries() -{ - struct link_map *lm; - - -# ifdef HAVE_DL_ITERATE_PHDR - if (GC_register_dynamic_libraries_dl_iterate_phdr()) { - return; - } -# endif - lm = GC_FirstDLOpenedLinkMap(); - for (lm = GC_FirstDLOpenedLinkMap(); - lm != (struct link_map *) 0; lm = lm->l_next) - { - ElfW(Ehdr) * e; - ElfW(Phdr) * p; - unsigned long offset; - char * start; - register int i; - - e = (ElfW(Ehdr) *) lm->l_addr; - p = ((ElfW(Phdr) *)(((char *)(e)) + e->e_phoff)); - offset = ((unsigned long)(lm->l_addr)); - for( i = 0; i < (int)(e->e_phnum); ((i++),(p++)) ) { - switch( p->p_type ) { - case PT_LOAD: - { - if( !(p->p_flags & PF_W) ) break; - start = ((char *)(p->p_vaddr)) + offset; - GC_add_roots_inner(start, start + p->p_memsz, TRUE); - } - break; - default: - break; - } - } - } -} - -#endif /* !USE_PROC_FOR_LIBRARIES */ - -#endif /* LINUX */ - -#if defined(IRIX5) || (defined(USE_PROC_FOR_LIBRARIES) && !defined(LINUX)) - -#include -#include -#include -#include -#include -#include /* Only for the following test. */ -#ifndef _sigargs -# define IRIX6 -#endif - -extern void * GC_roots_present(); - /* The type is a lie, since the real type doesn't make sense here, */ - /* and we only test for NULL. */ - - -/* We use /proc to track down all parts of the address space that are */ -/* mapped by the process, and throw out regions we know we shouldn't */ -/* worry about. This may also work under other SVR4 variants. */ -void GC_register_dynamic_libraries() -{ - static int fd = -1; - char buf[30]; - static prmap_t * addr_map = 0; - static int current_sz = 0; /* Number of records currently in addr_map */ - static int needed_sz; /* Required size of addr_map */ - int i; - long flags; - ptr_t start; - ptr_t limit; - ptr_t heap_start = (ptr_t)HEAP_START; - ptr_t heap_end = heap_start; - -# ifdef SOLARISDL -# define MA_PHYS 0 -# endif /* SOLARISDL */ - - if (fd < 0) { - sprintf(buf, "/proc/%d", getpid()); - /* The above generates a lint complaint, since pid_t varies. */ - /* It's unclear how to improve this. */ - fd = open(buf, O_RDONLY); - if (fd < 0) { - ABORT("/proc open failed"); - } - } - if (ioctl(fd, PIOCNMAP, &needed_sz) < 0) { - GC_err_printf("fd = %d, errno = %d\n", fd, errno); - ABORT("/proc PIOCNMAP ioctl failed"); - } - if (needed_sz >= current_sz) { - current_sz = needed_sz * 2 + 1; - /* Expansion, plus room for 0 record */ - addr_map = (prmap_t *)GC_scratch_alloc((word) - (current_sz * sizeof(prmap_t))); - } - if (ioctl(fd, PIOCMAP, addr_map) < 0) { - GC_err_printf("fd = %d, errno = %d, needed_sz = %d, addr_map = 0x%X\n", - fd, errno, needed_sz, addr_map); - ABORT("/proc PIOCMAP ioctl failed"); - }; - if (GC_n_heap_sects > 0) { - heap_end = GC_heap_sects[GC_n_heap_sects-1].hs_start - + GC_heap_sects[GC_n_heap_sects-1].hs_bytes; - if (heap_end < GC_scratch_last_end_ptr) heap_end = GC_scratch_last_end_ptr; - } - for (i = 0; i < needed_sz; i++) { - flags = addr_map[i].pr_mflags; - if ((flags & (MA_BREAK | MA_STACK | MA_PHYS - | MA_FETCHOP | MA_NOTCACHED)) != 0) goto irrelevant; - if ((flags & (MA_READ | MA_WRITE)) != (MA_READ | MA_WRITE)) - goto irrelevant; - /* The latter test is empirically useless in very old Irix */ - /* versions. Other than the */ - /* main data and stack segments, everything appears to be */ - /* mapped readable, writable, executable, and shared(!!). */ - /* This makes no sense to me. - HB */ - start = (ptr_t)(addr_map[i].pr_vaddr); - if (GC_roots_present(start)) goto irrelevant; - if (start < heap_end && start >= heap_start) - goto irrelevant; -# ifdef MMAP_STACKS - if (GC_is_thread_stack(start)) goto irrelevant; -# endif /* MMAP_STACKS */ - - limit = start + addr_map[i].pr_size; - /* The following seemed to be necessary for very old versions */ - /* of Irix, but it has been reported to discard relevant */ - /* segments under Irix 6.5. */ -# ifndef IRIX6 - if (addr_map[i].pr_off == 0 && strncmp(start, ELFMAG, 4) == 0) { - /* Discard text segments, i.e. 0-offset mappings against */ - /* executable files which appear to have ELF headers. */ - caddr_t arg; - int obj; -# define MAP_IRR_SZ 10 - static ptr_t map_irr[MAP_IRR_SZ]; - /* Known irrelevant map entries */ - static int n_irr = 0; - struct stat buf; - register int i; - - for (i = 0; i < n_irr; i++) { - if (map_irr[i] == start) goto irrelevant; - } - arg = (caddr_t)start; - obj = ioctl(fd, PIOCOPENM, &arg); - if (obj >= 0) { - fstat(obj, &buf); - close(obj); - if ((buf.st_mode & 0111) != 0) { - if (n_irr < MAP_IRR_SZ) { - map_irr[n_irr++] = start; - } - goto irrelevant; - } - } - } -# endif /* !IRIX6 */ - GC_add_roots_inner(start, limit, TRUE); - irrelevant: ; - } - /* Dont keep cached descriptor, for now. Some kernels don't like us */ - /* to keep a /proc file descriptor around during kill -9. */ - if (close(fd) < 0) ABORT("Couldnt close /proc file"); - fd = -1; -} - -# endif /* USE_PROC || IRIX5 */ - -# if defined(MSWIN32) || defined(MSWINCE) || defined(CYGWIN32) - -# define WIN32_LEAN_AND_MEAN -# define NOSERVICE -# include -# include - - /* We traverse the entire address space and register all segments */ - /* that could possibly have been written to. */ - - extern GC_bool GC_is_heap_base (ptr_t p); - -# ifdef GC_WIN32_THREADS - extern void GC_get_next_stack(char *start, char **lo, char **hi); - void GC_cond_add_roots(char *base, char * limit) - { - char * curr_base = base; - char * next_stack_lo; - char * next_stack_hi; - - if (base == limit) return; - for(;;) { - GC_get_next_stack(curr_base, &next_stack_lo, &next_stack_hi); - if (next_stack_lo >= limit) break; - GC_add_roots_inner(curr_base, next_stack_lo, TRUE); - curr_base = next_stack_hi; - } - if (curr_base < limit) GC_add_roots_inner(curr_base, limit, TRUE); - } -# else - void GC_cond_add_roots(char *base, char * limit) - { - char dummy; - char * stack_top - = (char *) ((word)(&dummy) & ~(GC_sysinfo.dwAllocationGranularity-1)); - if (base == limit) return; - if (limit > stack_top && base < GC_stackbottom) { - /* Part of the stack; ignore it. */ - return; - } - GC_add_roots_inner(base, limit, TRUE); - } -# endif - -# ifdef MSWINCE - /* Do we need to separately register the main static data segment? */ - GC_bool GC_register_main_static_data() - { - return FALSE; - } -# else /* win32 */ - extern GC_bool GC_no_win32_dlls; - - GC_bool GC_register_main_static_data() - { - return GC_no_win32_dlls; - } -# endif /* win32 */ - -# define HAVE_REGISTER_MAIN_STATIC_DATA - -# ifdef DEBUG_VIRTUALQUERY - void GC_dump_meminfo(MEMORY_BASIC_INFORMATION *buf) - { - GC_printf("BaseAddress = %lx, AllocationBase = %lx, RegionSize = %lx(%lu)\n", - buf -> BaseAddress, buf -> AllocationBase, buf -> RegionSize, - buf -> RegionSize); - GC_printf("\tAllocationProtect = %lx, State = %lx, Protect = %lx, " - "Type = %lx\n", - buf -> AllocationProtect, buf -> State, buf -> Protect, - buf -> Type); - } -# endif /* DEBUG_VIRTUALQUERY */ - - extern GC_bool GC_wnt; /* Is Windows NT derivative. */ - /* Defined and set in os_dep.c. */ - - void GC_register_dynamic_libraries() - { - MEMORY_BASIC_INFORMATION buf; - size_t result; - DWORD protect; - LPVOID p; - char * base; - char * limit, * new_limit; - -# ifdef MSWIN32 - if (GC_no_win32_dlls) return; -# endif - base = limit = p = GC_sysinfo.lpMinimumApplicationAddress; -# if defined(MSWINCE) && !defined(_WIN32_WCE_EMULATION) - /* Only the first 32 MB of address space belongs to the current process */ - while (p < (LPVOID)0x02000000) { - result = VirtualQuery(p, &buf, sizeof(buf)); - if (result == 0) { - /* Page is free; advance to the next possible allocation base */ - new_limit = (char *) - (((DWORD) p + GC_sysinfo.dwAllocationGranularity) - & ~(GC_sysinfo.dwAllocationGranularity-1)); - } else -# else - while (p < GC_sysinfo.lpMaximumApplicationAddress) { - result = VirtualQuery(p, &buf, sizeof(buf)); -# endif - { - if (result != sizeof(buf)) { - ABORT("Weird VirtualQuery result"); - } - new_limit = (char *)p + buf.RegionSize; - protect = buf.Protect; - if (buf.State == MEM_COMMIT - && (protect == PAGE_EXECUTE_READWRITE - || protect == PAGE_READWRITE) - && !GC_is_heap_base(buf.AllocationBase) - /* There is some evidence that we cannot always - * ignore MEM_PRIVATE sections under Windows ME - * and predecessors. Hence we now also check for - * that case. */ - && (buf.Type == MEM_IMAGE || - !GC_wnt && buf.Type == MEM_PRIVATE)) { -# ifdef DEBUG_VIRTUALQUERY - GC_dump_meminfo(&buf); -# endif - if ((char *)p != limit) { - GC_cond_add_roots(base, limit); - base = p; - } - limit = new_limit; - } - } - if (p > (LPVOID)new_limit /* overflow */) break; - p = (LPVOID)new_limit; - } - GC_cond_add_roots(base, limit); - } - -#endif /* MSWIN32 || MSWINCE || CYGWIN32 */ - -#if defined(ALPHA) && defined(OSF1) - -#include - -void GC_register_dynamic_libraries() -{ - int status; - ldr_process_t mypid; - - /* module */ - ldr_module_t moduleid = LDR_NULL_MODULE; - ldr_module_info_t moduleinfo; - size_t moduleinfosize = sizeof(moduleinfo); - size_t modulereturnsize; - - /* region */ - ldr_region_t region; - ldr_region_info_t regioninfo; - size_t regioninfosize = sizeof(regioninfo); - size_t regionreturnsize; - - /* Obtain id of this process */ - mypid = ldr_my_process(); - - /* For each module */ - while (TRUE) { - - /* Get the next (first) module */ - status = ldr_next_module(mypid, &moduleid); - - /* Any more modules? */ - if (moduleid == LDR_NULL_MODULE) - break; /* No more modules */ - - /* Check status AFTER checking moduleid because */ - /* of a bug in the non-shared ldr_next_module stub */ - if (status != 0 ) { - GC_printf("dynamic_load: status = %d\n", status); - { - extern char *sys_errlist[]; - extern int sys_nerr; - extern int errno; - if (errno <= sys_nerr) { - GC_printf("dynamic_load: %s\n", sys_errlist[errno]); - } else { - GC_printf("dynamic_load: %d\n", errno); - } - } - ABORT("ldr_next_module failed"); - } - - /* Get the module information */ - status = ldr_inq_module(mypid, moduleid, &moduleinfo, - moduleinfosize, &modulereturnsize); - if (status != 0 ) - ABORT("ldr_inq_module failed"); - - /* is module for the main program (i.e. nonshared portion)? */ - if (moduleinfo.lmi_flags & LDR_MAIN) - continue; /* skip the main module */ - -# ifdef DL_VERBOSE - GC_printf("---Module---\n"); - GC_printf("Module ID = %16ld\n", moduleinfo.lmi_modid); - GC_printf("Count of regions = %16d\n", moduleinfo.lmi_nregion); - GC_printf("flags for module = %16lx\n", moduleinfo.lmi_flags); - GC_printf("pathname of module = \"%s\"\n", moduleinfo.lmi_name); -# endif - - /* For each region in this module */ - for (region = 0; region < moduleinfo.lmi_nregion; region++) { - - /* Get the region information */ - status = ldr_inq_region(mypid, moduleid, region, ®ioninfo, - regioninfosize, ®ionreturnsize); - if (status != 0 ) - ABORT("ldr_inq_region failed"); - - /* only process writable (data) regions */ - if (! (regioninfo.lri_prot & LDR_W)) - continue; - -# ifdef DL_VERBOSE - GC_printf("--- Region ---\n"); - GC_printf("Region number = %16ld\n", - regioninfo.lri_region_no); - GC_printf("Protection flags = %016x\n", regioninfo.lri_prot); - GC_printf("Virtual address = %16p\n", regioninfo.lri_vaddr); - GC_printf("Mapped address = %16p\n", regioninfo.lri_mapaddr); - GC_printf("Region size = %16ld\n", regioninfo.lri_size); - GC_printf("Region name = \"%s\"\n", regioninfo.lri_name); -# endif - - /* register region as a garbage collection root */ - GC_add_roots_inner ( - (char *)regioninfo.lri_mapaddr, - (char *)regioninfo.lri_mapaddr + regioninfo.lri_size, - TRUE); - - } - } -} -#endif - -#if defined(HPUX) - -#include -#include - -extern char *sys_errlist[]; -extern int sys_nerr; - -void GC_register_dynamic_libraries() -{ - int status; - int index = 1; /* Ordinal position in shared library search list */ - struct shl_descriptor *shl_desc; /* Shared library info, see dl.h */ - - /* For each dynamic library loaded */ - while (TRUE) { - - /* Get info about next shared library */ - status = shl_get(index, &shl_desc); - - /* Check if this is the end of the list or if some error occured */ - if (status != 0) { -# ifdef GC_HPUX_THREADS - /* I've seen errno values of 0. The man page is not clear */ - /* as to whether errno should get set on a -1 return. */ - break; -# else - if (errno == EINVAL) { - break; /* Moved past end of shared library list --> finished */ - } else { - if (errno <= sys_nerr) { - GC_printf("dynamic_load: %s\n", sys_errlist[errno]); - } else { - GC_printf("dynamic_load: %d\n", errno); - } - ABORT("shl_get failed"); - } -# endif - } - -# ifdef DL_VERBOSE - GC_printf("---Shared library---\n"); - GC_printf("\tfilename = \"%s\"\n", shl_desc->filename); - GC_printf("\tindex = %d\n", index); - GC_printf("\thandle = %08x\n", - (unsigned long) shl_desc->handle); - GC_printf("\ttext seg. start = %08x\n", shl_desc->tstart); - GC_printf("\ttext seg. end = %08x\n", shl_desc->tend); - GC_printf("\tdata seg. start = %08x\n", shl_desc->dstart); - GC_printf("\tdata seg. end = %08x\n", shl_desc->dend); - GC_printf("\tref. count = %lu\n", shl_desc->ref_count); -# endif - - /* register shared library's data segment as a garbage collection root */ - GC_add_roots_inner((char *) shl_desc->dstart, - (char *) shl_desc->dend, TRUE); - - index++; - } -} -#endif /* HPUX */ - -#ifdef AIX -#pragma alloca -#include -#include -void GC_register_dynamic_libraries() -{ - int len; - char *ldibuf; - int ldibuflen; - struct ld_info *ldi; - - ldibuf = alloca(ldibuflen = 8192); - - while ( (len = loadquery(L_GETINFO,ldibuf,ldibuflen)) < 0) { - if (errno != ENOMEM) { - ABORT("loadquery failed"); - } - ldibuf = alloca(ldibuflen *= 2); - } - - ldi = (struct ld_info *)ldibuf; - while (ldi) { - len = ldi->ldinfo_next; - GC_add_roots_inner( - ldi->ldinfo_dataorg, - (ptr_t)(unsigned long)ldi->ldinfo_dataorg - + ldi->ldinfo_datasize, - TRUE); - ldi = len ? (struct ld_info *)((char *)ldi + len) : 0; - } -} -#endif /* AIX */ - -#ifdef DARWIN - -/* __private_extern__ hack required for pre-3.4 gcc versions. */ -#ifndef __private_extern__ -# define __private_extern__ extern -# include -# undef __private_extern__ -#else -# include -#endif -#include - -/*#define DARWIN_DEBUG*/ - -const static struct { - const char *seg; - const char *sect; -} GC_dyld_sections[] = { - { SEG_DATA, SECT_DATA }, - { SEG_DATA, SECT_BSS }, - { SEG_DATA, SECT_COMMON } -}; - -#ifdef DARWIN_DEBUG -static const char *GC_dyld_name_for_hdr(const struct GC_MACH_HEADER *hdr) { - unsigned long i,c; - c = _dyld_image_count(); - for(i=0;isize == 0) continue; - start = slide + sec->addr; - end = start + sec->size; -# ifdef DARWIN_DEBUG - GC_printf("Adding section at %p-%p (%lu bytes) from image %s\n", - start,end,sec->size,GC_dyld_name_for_hdr(hdr)); -# endif - GC_add_roots((char*)start,(char*)end); - } -# ifdef DARWIN_DEBUG - GC_print_static_roots(); -# endif -} - -/* This should never be called by a thread holding the lock */ -static void GC_dyld_image_remove(const struct GC_MACH_HEADER *hdr, - intptr_t slide) -{ - unsigned long start,end,i; - const struct GC_MACH_SECTION *sec; - for(i=0;isize == 0) continue; - start = slide + sec->addr; - end = start + sec->size; -# ifdef DARWIN_DEBUG - GC_printf("Removing section at %p-%p (%lu bytes) from image %s\n", - start,end,sec->size,GC_dyld_name_for_hdr(hdr)); -# endif - GC_remove_roots((char*)start,(char*)end); - } -# ifdef DARWIN_DEBUG - GC_print_static_roots(); -# endif -} - -void GC_register_dynamic_libraries() { - /* Currently does nothing. The callbacks are setup by GC_init_dyld() - The dyld library takes it from there. */ -} - -/* The _dyld_* functions have an internal lock so no _dyld functions - can be called while the world is stopped without the risk of a deadlock. - Because of this we MUST setup callbacks BEFORE we ever stop the world. - This should be called BEFORE any thread in created and WITHOUT the - allocation lock held. */ - -void GC_init_dyld() { - static GC_bool initialized = FALSE; - char *bind_fully_env = NULL; - - if(initialized) return; - -# ifdef DARWIN_DEBUG - GC_printf("Registering dyld callbacks...\n"); -# endif - - /* Apple's Documentation: - When you call _dyld_register_func_for_add_image, the dynamic linker runtime - calls the specified callback (func) once for each of the images that is - currently loaded into the program. When a new image is added to the program, - your callback is called again with the mach_header for the new image, and the - virtual memory slide amount of the new image. - - This WILL properly register already linked libraries and libraries - linked in the future - */ - - _dyld_register_func_for_add_image(GC_dyld_image_add); - _dyld_register_func_for_remove_image(GC_dyld_image_remove); - - /* Set this early to avoid reentrancy issues. */ - initialized = TRUE; - - bind_fully_env = getenv("DYLD_BIND_AT_LAUNCH"); - - if (bind_fully_env == NULL) { -# ifdef DARWIN_DEBUG - GC_printf("Forcing full bind of GC code...\n"); -# endif - - if(!_dyld_bind_fully_image_containing_address((unsigned long*)GC_malloc)) - GC_abort("_dyld_bind_fully_image_containing_address failed"); - } - -} - -#define HAVE_REGISTER_MAIN_STATIC_DATA -GC_bool GC_register_main_static_data() -{ - /* Already done through dyld callbacks */ - return FALSE; -} - -#endif /* DARWIN */ - -#else /* !DYNAMIC_LOADING */ - -#ifdef PCR - -# include "il/PCR_IL.h" -# include "th/PCR_ThCtl.h" -# include "mm/PCR_MM.h" - -void GC_register_dynamic_libraries() -{ - /* Add new static data areas of dynamically loaded modules. */ - { - PCR_IL_LoadedFile * p = PCR_IL_GetLastLoadedFile(); - PCR_IL_LoadedSegment * q; - - /* Skip uncommited files */ - while (p != NIL && !(p -> lf_commitPoint)) { - /* The loading of this file has not yet been committed */ - /* Hence its description could be inconsistent. */ - /* Furthermore, it hasn't yet been run. Hence its data */ - /* segments can't possibly reference heap allocated */ - /* objects. */ - p = p -> lf_prev; - } - for (; p != NIL; p = p -> lf_prev) { - for (q = p -> lf_ls; q != NIL; q = q -> ls_next) { - if ((q -> ls_flags & PCR_IL_SegFlags_Traced_MASK) - == PCR_IL_SegFlags_Traced_on) { - GC_add_roots_inner - ((char *)(q -> ls_addr), - (char *)(q -> ls_addr) + q -> ls_bytes, - TRUE); - } - } - } - } -} - - -#else /* !PCR */ - -void GC_register_dynamic_libraries(){} - -int GC_no_dynamic_loading; - -#endif /* !PCR */ - -#endif /* !DYNAMIC_LOADING */ - -#ifndef HAVE_REGISTER_MAIN_STATIC_DATA - -/* Do we need to separately register the main static data segment? */ -GC_bool GC_register_main_static_data() -{ - return TRUE; -} - -/* Register a routine to filter dynamic library registration. */ -void -GC_register_has_static_roots_callback - (int (*callback)(const char *, void *, size_t)) { - GC_has_static_roots = callback; -} - -#endif /* HAVE_REGISTER_MAIN_STATIC_DATA */ - diff --git a/vendor/gc/finalize.c b/vendor/gc/finalize.c deleted file mode 100644 index 8587fae..0000000 --- a/vendor/gc/finalize.c +++ /dev/null @@ -1,869 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1996 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (C) 2007 Free Software Foundation, Inc - - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, February 1, 1996 1:19 pm PST */ -# define I_HIDE_POINTERS -# include "private/gc_pmark.h" - -# ifdef FINALIZE_ON_DEMAND - int GC_finalize_on_demand = 1; -# else - int GC_finalize_on_demand = 0; -# endif - -# ifdef JAVA_FINALIZATION - int GC_java_finalization = 1; -# else - int GC_java_finalization = 0; -# endif - -/* Type of mark procedure used for marking from finalizable object. */ -/* This procedure normally does not mark the object, only its */ -/* descendents. */ -typedef void finalization_mark_proc(/* ptr_t finalizable_obj_ptr */); - -# define HASH3(addr,size,log_size) \ - ((((word)(addr) >> 3) ^ ((word)(addr) >> (3+(log_size)))) \ - & ((size) - 1)) -#define HASH2(addr,log_size) HASH3(addr, 1 << log_size, log_size) - -struct hash_chain_entry { - word hidden_key; - struct hash_chain_entry * next; -}; - -unsigned GC_finalization_failures = 0; - /* Number of finalization requests that failed for lack of memory. */ - -static struct disappearing_link { - struct hash_chain_entry prolog; -# define dl_hidden_link prolog.hidden_key - /* Field to be cleared. */ -# define dl_next(x) (struct disappearing_link *)((x) -> prolog.next) -# define dl_set_next(x,y) (x) -> prolog.next = (struct hash_chain_entry *)(y) - - word dl_hidden_obj; /* Pointer to object base */ -} **dl_head = 0; - -static signed_word log_dl_table_size = -1; - /* Binary log of */ - /* current size of array pointed to by dl_head. */ - /* -1 ==> size is 0. */ - -word GC_dl_entries = 0; /* Number of entries currently in disappearing */ - /* link table. */ - -static struct finalizable_object { - struct hash_chain_entry prolog; -# define fo_hidden_base prolog.hidden_key - /* Pointer to object base. */ - /* No longer hidden once object */ - /* is on finalize_now queue. */ -# define fo_next(x) (struct finalizable_object *)((x) -> prolog.next) -# define fo_set_next(x,y) (x) -> prolog.next = (struct hash_chain_entry *)(y) - GC_finalization_proc fo_fn; /* Finalizer. */ - ptr_t fo_client_data; - word fo_object_size; /* In bytes. */ - finalization_mark_proc * fo_mark_proc; /* Mark-through procedure */ -} **fo_head = 0; - -struct finalizable_object * GC_finalize_now = 0; - /* LIst of objects that should be finalized now. */ - -static signed_word log_fo_table_size = -1; - -word GC_fo_entries = 0; - -void GC_push_finalizer_structures(void) -{ - GC_push_all((ptr_t)(&dl_head), (ptr_t)(&dl_head) + sizeof(word)); - GC_push_all((ptr_t)(&fo_head), (ptr_t)(&fo_head) + sizeof(word)); - GC_push_all((ptr_t)(&GC_finalize_now), - (ptr_t)(&GC_finalize_now) + sizeof(word)); -} - -/* Double the size of a hash table. *size_ptr is the log of its current */ -/* size. May be a noop. */ -/* *table is a pointer to an array of hash headers. If we succeed, we */ -/* update both *table and *log_size_ptr. */ -/* Lock is held. Signals are disabled. */ -void GC_grow_table(struct hash_chain_entry ***table, - signed_word *log_size_ptr) -{ - register word i; - register struct hash_chain_entry *p; - signed_word log_old_size = *log_size_ptr; - signed_word log_new_size = log_old_size + 1; - word old_size = ((log_old_size == -1)? 0: (1 << log_old_size)); - word new_size = (word)1 << log_new_size; - /* FIXME: Power of 2 size often gets rounded up to one more page. */ - struct hash_chain_entry **new_table = (struct hash_chain_entry **) - GC_INTERNAL_MALLOC_IGNORE_OFF_PAGE( - (size_t)new_size * sizeof(struct hash_chain_entry *), NORMAL); - - if (new_table == 0) { - if (*table == 0) { - ABORT("Insufficient space for initial table allocation"); - } else { - return; - } - } - for (i = 0; i < old_size; i++) { - p = (*table)[i]; - while (p != 0) { - ptr_t real_key = (ptr_t)REVEAL_POINTER(p -> hidden_key); - struct hash_chain_entry *next = p -> next; - size_t new_hash = HASH3(real_key, new_size, log_new_size); - - p -> next = new_table[new_hash]; - new_table[new_hash] = p; - p = next; - } - } - *log_size_ptr = log_new_size; - *table = new_table; -} - -int GC_register_disappearing_link(void * * link) -{ - ptr_t base; - - base = (ptr_t)GC_base((void *)link); - if (base == 0) - ABORT("Bad arg to GC_register_disappearing_link"); - return(GC_general_register_disappearing_link(link, base)); -} - -int GC_general_register_disappearing_link(void * * link, void * obj) -{ - struct disappearing_link *curr_dl; - size_t index; - struct disappearing_link * new_dl; - DCL_LOCK_STATE; - - if ((word)link & (ALIGNMENT-1)) - ABORT("Bad arg to GC_general_register_disappearing_link"); -# ifdef THREADS - LOCK(); -# endif - if (log_dl_table_size == -1 - || GC_dl_entries > ((word)1 << log_dl_table_size)) { - GC_grow_table((struct hash_chain_entry ***)(&dl_head), - &log_dl_table_size); - if (GC_print_stats) { - GC_log_printf("Grew dl table to %u entries\n", - (1 << log_dl_table_size)); - } - } - index = HASH2(link, log_dl_table_size); - curr_dl = dl_head[index]; - for (curr_dl = dl_head[index]; curr_dl != 0; curr_dl = dl_next(curr_dl)) { - if (curr_dl -> dl_hidden_link == HIDE_POINTER(link)) { - curr_dl -> dl_hidden_obj = HIDE_POINTER(obj); -# ifdef THREADS - UNLOCK(); -# endif - return(1); - } - } - new_dl = (struct disappearing_link *) - GC_INTERNAL_MALLOC(sizeof(struct disappearing_link),NORMAL); - if (0 == new_dl) { -# ifdef THREADS - UNLOCK(); -# endif - new_dl = (struct disappearing_link *) - GC_oom_fn(sizeof(struct disappearing_link)); - if (0 == new_dl) { - GC_finalization_failures++; - return(2); - } - /* It's not likely we'll make it here, but ... */ -# ifdef THREADS - LOCK(); -# endif - } - new_dl -> dl_hidden_obj = HIDE_POINTER(obj); - new_dl -> dl_hidden_link = HIDE_POINTER(link); - dl_set_next(new_dl, dl_head[index]); - dl_head[index] = new_dl; - GC_dl_entries++; -# ifdef THREADS - UNLOCK(); -# endif - return(0); -} - -int GC_unregister_disappearing_link(void * * link) -{ - struct disappearing_link *curr_dl, *prev_dl; - size_t index; - DCL_LOCK_STATE; - - LOCK(); - index = HASH2(link, log_dl_table_size); - if (((word)link & (ALIGNMENT-1))) goto out; - prev_dl = 0; curr_dl = dl_head[index]; - while (curr_dl != 0) { - if (curr_dl -> dl_hidden_link == HIDE_POINTER(link)) { - if (prev_dl == 0) { - dl_head[index] = dl_next(curr_dl); - } else { - dl_set_next(prev_dl, dl_next(curr_dl)); - } - GC_dl_entries--; - UNLOCK(); -# ifdef DBG_HDRS_ALL - dl_set_next(curr_dl, 0); -# else - GC_free((void *)curr_dl); -# endif - return(1); - } - prev_dl = curr_dl; - curr_dl = dl_next(curr_dl); - } -out: - UNLOCK(); - return(0); -} - -/* Possible finalization_marker procedures. Note that mark stack */ -/* overflow is handled by the caller, and is not a disaster. */ -GC_API void GC_normal_finalize_mark_proc(ptr_t p) -{ - hdr * hhdr = HDR(p); - - PUSH_OBJ(p, hhdr, GC_mark_stack_top, - &(GC_mark_stack[GC_mark_stack_size])); -} - -/* This only pays very partial attention to the mark descriptor. */ -/* It does the right thing for normal and atomic objects, and treats */ -/* most others as normal. */ -GC_API void GC_ignore_self_finalize_mark_proc(ptr_t p) -{ - hdr * hhdr = HDR(p); - word descr = hhdr -> hb_descr; - ptr_t q, r; - ptr_t scan_limit; - ptr_t target_limit = p + hhdr -> hb_sz - 1; - - if ((descr & GC_DS_TAGS) == GC_DS_LENGTH) { - scan_limit = p + descr - sizeof(word); - } else { - scan_limit = target_limit + 1 - sizeof(word); - } - for (q = p; q <= scan_limit; q += ALIGNMENT) { - r = *(ptr_t *)q; - if (r < p || r > target_limit) { - GC_PUSH_ONE_HEAP(r, q); - } - } -} - -/*ARGSUSED*/ -GC_API void GC_null_finalize_mark_proc(ptr_t p) -{ -} - -/* Possible finalization_marker procedures. Note that mark stack */ -/* overflow is handled by the caller, and is not a disaster. */ - -/* GC_unreachable_finalize_mark_proc is an alias for normal marking, */ -/* but it is explicitly tested for, and triggers different */ -/* behavior. Objects registered in this way are not finalized */ -/* if they are reachable by other finalizable objects, eve if those */ -/* other objects specify no ordering. */ -GC_API void GC_unreachable_finalize_mark_proc(ptr_t p) -{ - GC_normal_finalize_mark_proc(p); -} - - - -/* Register a finalization function. See gc.h for details. */ -/* in the nonthreads case, we try to avoid disabling signals, */ -/* since it can be expensive. Threads packages typically */ -/* make it cheaper. */ -/* The last parameter is a procedure that determines */ -/* marking for finalization ordering. Any objects marked */ -/* by that procedure will be guaranteed to not have been */ -/* finalized when this finalizer is invoked. */ -GC_API void GC_register_finalizer_inner(void * obj, - GC_finalization_proc fn, void *cd, - GC_finalization_proc *ofn, void **ocd, - finalization_mark_proc mp) -{ - ptr_t base; - struct finalizable_object * curr_fo, * prev_fo; - size_t index; - struct finalizable_object *new_fo; - hdr *hhdr; - DCL_LOCK_STATE; - -# ifdef THREADS - LOCK(); -# endif - if (log_fo_table_size == -1 - || GC_fo_entries > ((word)1 << log_fo_table_size)) { - GC_grow_table((struct hash_chain_entry ***)(&fo_head), - &log_fo_table_size); - if (GC_print_stats) { - GC_log_printf("Grew fo table to %u entries\n", - (1 << log_fo_table_size)); - } - } - /* in the THREADS case signals are disabled and we hold allocation */ - /* lock; otherwise neither is true. Proceed carefully. */ - base = (ptr_t)obj; - index = HASH2(base, log_fo_table_size); - prev_fo = 0; curr_fo = fo_head[index]; - while (curr_fo != 0) { - GC_ASSERT(GC_size(curr_fo) >= sizeof(struct finalizable_object)); - if (curr_fo -> fo_hidden_base == HIDE_POINTER(base)) { - /* Interruption by a signal in the middle of this */ - /* should be safe. The client may see only *ocd */ - /* updated, but we'll declare that to be his */ - /* problem. */ - if (ocd) *ocd = (void *) (curr_fo -> fo_client_data); - if (ofn) *ofn = curr_fo -> fo_fn; - /* Delete the structure for base. */ - if (prev_fo == 0) { - fo_head[index] = fo_next(curr_fo); - } else { - fo_set_next(prev_fo, fo_next(curr_fo)); - } - if (fn == 0) { - GC_fo_entries--; - /* May not happen if we get a signal. But a high */ - /* estimate will only make the table larger than */ - /* necessary. */ -# if !defined(THREADS) && !defined(DBG_HDRS_ALL) - GC_free((void *)curr_fo); -# endif - } else { - curr_fo -> fo_fn = fn; - curr_fo -> fo_client_data = (ptr_t)cd; - curr_fo -> fo_mark_proc = mp; - /* Reinsert it. We deleted it first to maintain */ - /* consistency in the event of a signal. */ - if (prev_fo == 0) { - fo_head[index] = curr_fo; - } else { - fo_set_next(prev_fo, curr_fo); - } - } -# ifdef THREADS - UNLOCK(); -# endif - return; - } - prev_fo = curr_fo; - curr_fo = fo_next(curr_fo); - } - if (ofn) *ofn = 0; - if (ocd) *ocd = 0; - if (fn == 0) { -# ifdef THREADS - UNLOCK(); -# endif - return; - } - GET_HDR(base, hhdr); - if (0 == hhdr) { - /* We won't collect it, hence finalizer wouldn't be run. */ -# ifdef THREADS - UNLOCK(); -# endif - return; - } - new_fo = (struct finalizable_object *) - GC_INTERNAL_MALLOC(sizeof(struct finalizable_object),NORMAL); - if (EXPECT(0 == new_fo, FALSE)) { -# ifdef THREADS - UNLOCK(); -# endif - new_fo = (struct finalizable_object *) - GC_oom_fn(sizeof(struct finalizable_object)); - if (0 == new_fo) { - GC_finalization_failures++; - return; - } - /* It's not likely we'll make it here, but ... */ -# ifdef THREADS - LOCK(); -# endif - } - GC_ASSERT(GC_size(new_fo) >= sizeof(struct finalizable_object)); - new_fo -> fo_hidden_base = (word)HIDE_POINTER(base); - new_fo -> fo_fn = fn; - new_fo -> fo_client_data = (ptr_t)cd; - new_fo -> fo_object_size = hhdr -> hb_sz; - new_fo -> fo_mark_proc = mp; - fo_set_next(new_fo, fo_head[index]); - GC_fo_entries++; - fo_head[index] = new_fo; -# ifdef THREADS - UNLOCK(); -# endif -} - -void GC_register_finalizer(void * obj, - GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void ** ocd) -{ - GC_register_finalizer_inner(obj, fn, cd, ofn, - ocd, GC_normal_finalize_mark_proc); -} - -void GC_register_finalizer_ignore_self(void * obj, - GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void ** ocd) -{ - GC_register_finalizer_inner(obj, fn, cd, ofn, - ocd, GC_ignore_self_finalize_mark_proc); -} - -void GC_register_finalizer_no_order(void * obj, - GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void ** ocd) -{ - GC_register_finalizer_inner(obj, fn, cd, ofn, - ocd, GC_null_finalize_mark_proc); -} - -static GC_bool need_unreachable_finalization = FALSE; - /* Avoid the work if this isn't used. */ - -void GC_register_finalizer_unreachable(void * obj, - GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void ** ocd) -{ - need_unreachable_finalization = TRUE; - GC_ASSERT(GC_java_finalization); - GC_register_finalizer_inner(obj, fn, cd, ofn, - ocd, GC_unreachable_finalize_mark_proc); -} - -#ifndef NO_DEBUGGING -void GC_dump_finalization(void) -{ - struct disappearing_link * curr_dl; - struct finalizable_object * curr_fo; - ptr_t real_ptr, real_link; - int dl_size = (log_dl_table_size == -1 ) ? 0 : (1 << log_dl_table_size); - int fo_size = (log_fo_table_size == -1 ) ? 0 : (1 << log_fo_table_size); - int i; - - GC_printf("Disappearing links:\n"); - for (i = 0; i < dl_size; i++) { - for (curr_dl = dl_head[i]; curr_dl != 0; curr_dl = dl_next(curr_dl)) { - real_ptr = (ptr_t)REVEAL_POINTER(curr_dl -> dl_hidden_obj); - real_link = (ptr_t)REVEAL_POINTER(curr_dl -> dl_hidden_link); - GC_printf("Object: %p, Link:%p\n", real_ptr, real_link); - } - } - GC_printf("Finalizers:\n"); - for (i = 0; i < fo_size; i++) { - for (curr_fo = fo_head[i]; curr_fo != 0; curr_fo = fo_next(curr_fo)) { - real_ptr = (ptr_t)REVEAL_POINTER(curr_fo -> fo_hidden_base); - GC_printf("Finalizable object: %p\n", real_ptr); - } - } -} -#endif - -/* Called with world stopped. Cause disappearing links to disappear, */ -/* and invoke finalizers. */ -void GC_finalize(void) -{ - struct disappearing_link * curr_dl, * prev_dl, * next_dl; - struct finalizable_object * curr_fo, * prev_fo, * next_fo; - ptr_t real_ptr, real_link; - size_t i; - size_t dl_size = (log_dl_table_size == -1 ) ? 0 : (1 << log_dl_table_size); - size_t fo_size = (log_fo_table_size == -1 ) ? 0 : (1 << log_fo_table_size); - - /* Make disappearing links disappear */ - for (i = 0; i < dl_size; i++) { - curr_dl = dl_head[i]; - prev_dl = 0; - while (curr_dl != 0) { - real_ptr = (ptr_t)REVEAL_POINTER(curr_dl -> dl_hidden_obj); - real_link = (ptr_t)REVEAL_POINTER(curr_dl -> dl_hidden_link); - if (!GC_is_marked(real_ptr)) { - *(word *)real_link = 0; - next_dl = dl_next(curr_dl); - if (prev_dl == 0) { - dl_head[i] = next_dl; - } else { - dl_set_next(prev_dl, next_dl); - } - GC_clear_mark_bit((ptr_t)curr_dl); - GC_dl_entries--; - curr_dl = next_dl; - } else { - prev_dl = curr_dl; - curr_dl = dl_next(curr_dl); - } - } - } - /* Mark all objects reachable via chains of 1 or more pointers */ - /* from finalizable objects. */ - GC_ASSERT(GC_mark_state == MS_NONE); - for (i = 0; i < fo_size; i++) { - for (curr_fo = fo_head[i]; curr_fo != 0; curr_fo = fo_next(curr_fo)) { - GC_ASSERT(GC_size(curr_fo) >= sizeof(struct finalizable_object)); - real_ptr = (ptr_t)REVEAL_POINTER(curr_fo -> fo_hidden_base); - if (!GC_is_marked(real_ptr)) { - GC_MARKED_FOR_FINALIZATION(real_ptr); - GC_MARK_FO(real_ptr, curr_fo -> fo_mark_proc); - if (GC_is_marked(real_ptr)) { - WARN("Finalization cycle involving %lx\n", real_ptr); - } - } - } - } - /* Enqueue for finalization all objects that are still */ - /* unreachable. */ - GC_bytes_finalized = 0; - for (i = 0; i < fo_size; i++) { - curr_fo = fo_head[i]; - prev_fo = 0; - while (curr_fo != 0) { - real_ptr = (ptr_t)REVEAL_POINTER(curr_fo -> fo_hidden_base); - if (!GC_is_marked(real_ptr)) { - if (!GC_java_finalization) { - GC_set_mark_bit(real_ptr); - } - /* Delete from hash table */ - next_fo = fo_next(curr_fo); - if (prev_fo == 0) { - fo_head[i] = next_fo; - } else { - fo_set_next(prev_fo, next_fo); - } - GC_fo_entries--; - /* Add to list of objects awaiting finalization. */ - fo_set_next(curr_fo, GC_finalize_now); - GC_finalize_now = curr_fo; - /* unhide object pointer so any future collections will */ - /* see it. */ - curr_fo -> fo_hidden_base = - (word) REVEAL_POINTER(curr_fo -> fo_hidden_base); - GC_bytes_finalized += - curr_fo -> fo_object_size - + sizeof(struct finalizable_object); - GC_ASSERT(GC_is_marked(GC_base((ptr_t)curr_fo))); - curr_fo = next_fo; - } else { - prev_fo = curr_fo; - curr_fo = fo_next(curr_fo); - } - } - } - - if (GC_java_finalization) { - /* make sure we mark everything reachable from objects finalized - using the no_order mark_proc */ - for (curr_fo = GC_finalize_now; - curr_fo != NULL; curr_fo = fo_next(curr_fo)) { - real_ptr = (ptr_t)curr_fo -> fo_hidden_base; - if (!GC_is_marked(real_ptr)) { - if (curr_fo -> fo_mark_proc == GC_null_finalize_mark_proc) { - GC_MARK_FO(real_ptr, GC_normal_finalize_mark_proc); - } - if (curr_fo -> fo_mark_proc != GC_unreachable_finalize_mark_proc) { - GC_set_mark_bit(real_ptr); - } - } - } - - /* now revive finalize-when-unreachable objects reachable from - other finalizable objects */ - if (need_unreachable_finalization) { - curr_fo = GC_finalize_now; - prev_fo = 0; - while (curr_fo != 0) { - next_fo = fo_next(curr_fo); - if (curr_fo -> fo_mark_proc == GC_unreachable_finalize_mark_proc) { - real_ptr = (ptr_t)curr_fo -> fo_hidden_base; - if (!GC_is_marked(real_ptr)) { - GC_set_mark_bit(real_ptr); - } else { - if (prev_fo == 0) - GC_finalize_now = next_fo; - else - fo_set_next(prev_fo, next_fo); - - curr_fo -> fo_hidden_base = - (word) HIDE_POINTER(curr_fo -> fo_hidden_base); - GC_bytes_finalized -= - curr_fo -> fo_object_size + sizeof(struct finalizable_object); - - i = HASH2(real_ptr, log_fo_table_size); - fo_set_next (curr_fo, fo_head[i]); - GC_fo_entries++; - fo_head[i] = curr_fo; - curr_fo = prev_fo; - } - } - prev_fo = curr_fo; - curr_fo = next_fo; - } - } - } - - /* Remove dangling disappearing links. */ - for (i = 0; i < dl_size; i++) { - curr_dl = dl_head[i]; - prev_dl = 0; - while (curr_dl != 0) { - real_link = GC_base((ptr_t)REVEAL_POINTER(curr_dl -> dl_hidden_link)); - if (real_link != 0 && !GC_is_marked(real_link)) { - next_dl = dl_next(curr_dl); - if (prev_dl == 0) { - dl_head[i] = next_dl; - } else { - dl_set_next(prev_dl, next_dl); - } - GC_clear_mark_bit((ptr_t)curr_dl); - GC_dl_entries--; - curr_dl = next_dl; - } else { - prev_dl = curr_dl; - curr_dl = dl_next(curr_dl); - } - } - } -} - -#ifndef JAVA_FINALIZATION_NOT_NEEDED - -/* Enqueue all remaining finalizers to be run - Assumes lock is - * held, and signals are disabled */ -void GC_enqueue_all_finalizers(void) -{ - struct finalizable_object * curr_fo, * prev_fo, * next_fo; - ptr_t real_ptr; - register int i; - int fo_size; - - fo_size = (log_fo_table_size == -1 ) ? 0 : (1 << log_fo_table_size); - GC_bytes_finalized = 0; - for (i = 0; i < fo_size; i++) { - curr_fo = fo_head[i]; - prev_fo = 0; - while (curr_fo != 0) { - real_ptr = (ptr_t)REVEAL_POINTER(curr_fo -> fo_hidden_base); - GC_MARK_FO(real_ptr, GC_normal_finalize_mark_proc); - GC_set_mark_bit(real_ptr); - - /* Delete from hash table */ - next_fo = fo_next(curr_fo); - if (prev_fo == 0) { - fo_head[i] = next_fo; - } else { - fo_set_next(prev_fo, next_fo); - } - GC_fo_entries--; - - /* Add to list of objects awaiting finalization. */ - fo_set_next(curr_fo, GC_finalize_now); - GC_finalize_now = curr_fo; - - /* unhide object pointer so any future collections will */ - /* see it. */ - curr_fo -> fo_hidden_base = - (word) REVEAL_POINTER(curr_fo -> fo_hidden_base); - - GC_bytes_finalized += - curr_fo -> fo_object_size + sizeof(struct finalizable_object); - curr_fo = next_fo; - } - } - - return; -} - -/* Invoke all remaining finalizers that haven't yet been run. - * This is needed for strict compliance with the Java standard, - * which can make the runtime guarantee that all finalizers are run. - * Unfortunately, the Java standard implies we have to keep running - * finalizers until there are no more left, a potential infinite loop. - * YUCK. - * Note that this is even more dangerous than the usual Java - * finalizers, in that objects reachable from static variables - * may have been finalized when these finalizers are run. - * Finalizers run at this point must be prepared to deal with a - * mostly broken world. - * This routine is externally callable, so is called without - * the allocation lock. - */ -GC_API void GC_finalize_all(void) -{ - DCL_LOCK_STATE; - - LOCK(); - while (GC_fo_entries > 0) { - GC_enqueue_all_finalizers(); - UNLOCK(); - GC_INVOKE_FINALIZERS(); - LOCK(); - } - UNLOCK(); -} -#endif - -/* Returns true if it is worth calling GC_invoke_finalizers. (Useful if */ -/* finalizers can only be called from some kind of `safe state' and */ -/* getting into that safe state is expensive.) */ -int GC_should_invoke_finalizers(void) -{ - return GC_finalize_now != 0; -} - -/* Invoke finalizers for all objects that are ready to be finalized. */ -/* Should be called without allocation lock. */ -int GC_invoke_finalizers(void) -{ - struct finalizable_object * curr_fo; - int count = 0; - word bytes_freed_before; - DCL_LOCK_STATE; - - while (GC_finalize_now != 0) { -# ifdef THREADS - LOCK(); -# endif - if (count == 0) { - bytes_freed_before = GC_bytes_freed; - /* Don't do this outside, since we need the lock. */ - } - curr_fo = GC_finalize_now; -# ifdef THREADS - if (curr_fo != 0) GC_finalize_now = fo_next(curr_fo); - UNLOCK(); - if (curr_fo == 0) break; -# else - GC_finalize_now = fo_next(curr_fo); -# endif - fo_set_next(curr_fo, 0); - (*(curr_fo -> fo_fn))((ptr_t)(curr_fo -> fo_hidden_base), - curr_fo -> fo_client_data); - curr_fo -> fo_client_data = 0; - ++count; -# ifdef UNDEFINED - /* This is probably a bad idea. It throws off accounting if */ - /* nearly all objects are finalizable. O.w. it shouldn't */ - /* matter. */ - GC_free((void *)curr_fo); -# endif - } - /* bytes_freed_before is initialized whenever count != 0 */ - if (count != 0 && bytes_freed_before != GC_bytes_freed) { - LOCK(); - GC_finalizer_bytes_freed += (GC_bytes_freed - bytes_freed_before); - UNLOCK(); - } - return count; -} - -void (* GC_finalizer_notifier)() = (void (*) (void))0; - -static GC_word last_finalizer_notification = 0; - -void GC_notify_or_invoke_finalizers(void) -{ - /* This is a convenient place to generate backtraces if appropriate, */ - /* since that code is not callable with the allocation lock. */ -# if defined(KEEP_BACK_PTRS) || defined(MAKE_BACK_GRAPH) - static word last_back_trace_gc_no = 1; /* Skip first one. */ - - if (GC_gc_no > last_back_trace_gc_no) { - word i; - -# ifdef KEEP_BACK_PTRS - LOCK(); - /* Stops when GC_gc_no wraps; that's OK. */ - last_back_trace_gc_no = (word)(-1); /* disable others. */ - for (i = 0; i < GC_backtraces; ++i) { - /* FIXME: This tolerates concurrent heap mutation, */ - /* which may cause occasional mysterious results. */ - /* We need to release the GC lock, since GC_print_callers */ - /* acquires it. It probably shouldn't. */ - UNLOCK(); - GC_generate_random_backtrace_no_gc(); - LOCK(); - } - last_back_trace_gc_no = GC_gc_no; - UNLOCK(); -# endif -# ifdef MAKE_BACK_GRAPH - if (GC_print_back_height) - GC_print_back_graph_stats(); -# endif - } -# endif - if (GC_finalize_now == 0) return; - if (!GC_finalize_on_demand) { - (void) GC_invoke_finalizers(); -# ifndef THREADS - GC_ASSERT(GC_finalize_now == 0); -# endif /* Otherwise GC can run concurrently and add more */ - return; - } - if (GC_finalizer_notifier != (void (*) (void))0 - && last_finalizer_notification != GC_gc_no) { - last_finalizer_notification = GC_gc_no; - GC_finalizer_notifier(); - } -} - -void * GC_call_with_alloc_lock(GC_fn_type fn, void * client_data) -{ - void * result; - DCL_LOCK_STATE; - -# ifdef THREADS - LOCK(); - /* FIXME - This looks wrong!! */ - SET_LOCK_HOLDER(); -# endif - result = (*fn)(client_data); -# ifdef THREADS -# ifndef GC_ASSERTIONS - UNSET_LOCK_HOLDER(); -# endif /* o.w. 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$(CPP) $(CPP_PROJ) $(SOURCE) - - -!ELSEIF "$(CFG)" == "cord - Win32 Debug" - - -".\cord\Debug\cordbscs.obj" : $(SOURCE) $(DEP_CPP_CORDB) "$(INTDIR)" - $(CPP) $(CPP_PROJ) $(SOURCE) - - -!ENDIF - -# End Source File -################################################################################ -# Begin Source File - -SOURCE=.\cord\de_win.RC - -!IF "$(CFG)" == "cord - Win32 Release" - - -".\cord\Release\de_win.res" : $(SOURCE) "$(INTDIR)" - $(RSC) /l 0x809 /fo"$(INTDIR)/de_win.res" /i "cord" /d "NDEBUG" $(SOURCE) - - -!ELSEIF "$(CFG)" == "cord - Win32 Debug" - - -".\cord\Debug\de_win.res" : $(SOURCE) "$(INTDIR)" - $(RSC) /l 0x809 /fo"$(INTDIR)/de_win.res" /i "cord" /d "_DEBUG" $(SOURCE) - - -!ENDIF - -# End Source File -# End Target -# End Project -################################################################################ diff --git a/vendor/gc/gc_cpp.cc b/vendor/gc/gc_cpp.cc deleted file mode 100644 index 47cff19..0000000 --- a/vendor/gc/gc_cpp.cc +++ /dev/null @@ -1,66 +0,0 @@ -/************************************************************************* -Copyright (c) 1994 by Xerox Corporation. All rights reserved. - -THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - - Last modified on Sat Nov 19 19:31:14 PST 1994 by ellis - on Sat Jun 8 15:10:00 PST 1994 by boehm - -Permission is hereby granted to copy this code for any purpose, -provided the above notices are retained on all copies. - -This implementation module for gc_c++.h provides an implementation of -the global operators "new" and "delete" that calls the Boehm -allocator. All objects allocated by this implementation will be -non-collectable but part of the root set of the collector. - -You should ensure (using implementation-dependent techniques) that the -linker finds this module before the library that defines the default -built-in "new" and "delete". - -Authors: John R. Ellis and Jesse Hull - -**************************************************************************/ - -#include - -void* operator new( size_t size ) { - return GC_MALLOC_UNCOLLECTABLE( size );} - -void operator delete( void* obj ) { - GC_FREE( obj );} - -#ifdef GC_OPERATOR_NEW_ARRAY - -void* operator new[]( size_t size ) { - return GC_MALLOC_UNCOLLECTABLE( size );} - -void operator delete[]( void* obj ) { - GC_FREE( obj );} - -#endif /* GC_OPERATOR_NEW_ARRAY */ - -#ifdef _MSC_VER - -// This new operator is used by VC++ in case of Debug builds ! -void* operator new( size_t size, - int ,//nBlockUse, - const char * szFileName, - int nLine ) -{ -#ifndef GC_DEBUG - return GC_malloc_uncollectable( size ); -#else - return GC_debug_malloc_uncollectable(size, szFileName, nLine); -#endif -} - -// This new operator is used by VC++ 7.0 and later in Debug builds. -void* operator new[](size_t size, int nBlockUse, const char* szFileName, int nLine) -{ - return operator new(size, nBlockUse, szFileName, nLine); -} - -#endif /* _MSC_VER */ - diff --git a/vendor/gc/gc_cpp.cpp b/vendor/gc/gc_cpp.cpp deleted file mode 100644 index f6bd95e..0000000 --- a/vendor/gc/gc_cpp.cpp +++ /dev/null @@ -1,2 +0,0 @@ -// Visual C++ seems to prefer a .cpp extension to .cc -#include "gc_cpp.cc" diff --git a/vendor/gc/gc_dlopen.c b/vendor/gc/gc_dlopen.c deleted file mode 100644 index 51659d1..0000000 --- a/vendor/gc/gc_dlopen.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1997 by Silicon Graphics. All rights reserved. - * Copyright (c) 2000 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - * Original author: Bill Janssen - * Heavily modified by Hans Boehm and others - */ - -/* - * This used to be in dyn_load.c. It was extracted into a separate file - * to avoid having to link against libdl.{a,so} if the client doesn't call - * dlopen. Of course this fails if the collector is in a dynamic - * library. -HB - */ - -#include "private/gc_priv.h" - -# if (defined(GC_PTHREADS) && !defined(GC_DARWIN_THREADS)) && !defined(GC_WIN32_PTHREADS)\ - || defined(GC_SOLARIS_THREADS) - -# if defined(dlopen) && !defined(GC_USE_LD_WRAP) - /* To support various threads pkgs, gc.h interposes on dlopen by */ - /* defining "dlopen" to be "GC_dlopen", which is implemented below. */ - /* However, both GC_FirstDLOpenedLinkMap() and GC_dlopen() use the */ - /* real system dlopen() in their implementation. We first remove */ - /* gc.h's dlopen definition and restore it later, after GC_dlopen(). */ -# undef dlopen -# endif - - /* Make sure we're not in the middle of a collection, and make */ - /* sure we don't start any. Returns previous value of GC_dont_gc. */ - /* This is invoked prior to a dlopen call to avoid synchronization */ - /* issues. We can't just acquire the allocation lock, since startup */ - /* code in dlopen may try to allocate. */ - /* This solution risks heap growth in the presence of many dlopen */ - /* calls in either a multithreaded environment, or if the library */ - /* initialization code allocates substantial amounts of GC'ed memory. */ - /* But I don't know of a better solution. */ - static void disable_gc_for_dlopen() - { - LOCK(); - while (GC_incremental && GC_collection_in_progress()) { - GC_collect_a_little_inner(1000); - } - ++GC_dont_gc; - UNLOCK(); - } - - /* Redefine dlopen to guarantee mutual exclusion with */ - /* GC_register_dynamic_libraries. */ - /* Should probably happen for other operating systems, too. */ - -#include - -#ifdef GC_USE_LD_WRAP - void * __wrap_dlopen(const char *path, int mode) -#else - void * GC_dlopen(const char *path, int mode) -#endif -{ - void * result; - -# ifndef USE_PROC_FOR_LIBRARIES - disable_gc_for_dlopen(); -# endif -# ifdef GC_USE_LD_WRAP - result = (void *)__real_dlopen(path, mode); -# else - result = dlopen(path, mode); -# endif -# ifndef USE_PROC_FOR_LIBRARIES - GC_enable(); /* undoes disable_gc_for_dlopen */ -# endif - return(result); -} -# endif /* GC_PTHREADS || GC_SOLARIS_THREADS ... */ - - - diff --git a/vendor/gc/gcj_mlc.c b/vendor/gc/gcj_mlc.c deleted file mode 100644 index 7e5beb1..0000000 --- a/vendor/gc/gcj_mlc.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ -/* Boehm, July 31, 1995 5:02 pm PDT */ - -#ifdef GC_GCJ_SUPPORT - -/* - * This is an allocator interface tuned for gcj (the GNU static - * java compiler). - * - * Each allocated object has a pointer in its first word to a vtable, - * which for our purposes is simply a structure describing the type of - * the object. - * This descriptor structure contains a GC marking descriptor at offset - * MARK_DESCR_OFFSET. - * - * It is hoped that this interface may also be useful for other systems, - * possibly with some tuning of the constants. But the immediate goal - * is to get better gcj performance. - * - * We assume: - * 1) We have an ANSI conforming C compiler. - * 2) Counting on explicit initialization of this interface is OK. - * 3) FASTLOCK is not a significant win. - */ - -#include "private/gc_pmark.h" -#include "gc_gcj.h" -#include "private/dbg_mlc.h" - -GC_bool GC_gcj_malloc_initialized = FALSE; - -int GC_gcj_kind; /* Object kind for objects with descriptors */ - /* in "vtable". */ -int GC_gcj_debug_kind; /* The kind of objects that is always marked */ - /* with a mark proc call. */ - -ptr_t * GC_gcjobjfreelist; -ptr_t * GC_gcjdebugobjfreelist; - -/* Caller does not hold allocation lock. */ -void GC_init_gcj_malloc(int mp_index, void * /* really GC_mark_proc */mp) -{ - register int i; - GC_bool ignore_gcj_info; - DCL_LOCK_STATE; - - GC_init(); /* In case it's not already done. */ - LOCK(); - if (GC_gcj_malloc_initialized) { - UNLOCK(); - return; - } - GC_gcj_malloc_initialized = TRUE; - ignore_gcj_info = (0 != GETENV("GC_IGNORE_GCJ_INFO")); - if (GC_print_stats && ignore_gcj_info) { - GC_log_printf("Gcj-style type information is disabled!\n"); - } - GC_ASSERT(GC_mark_procs[mp_index] == (GC_mark_proc)0); /* unused */ - GC_mark_procs[mp_index] = (GC_mark_proc)mp; - if (mp_index >= GC_n_mark_procs) ABORT("GC_init_gcj_malloc: bad index"); - /* Set up object kind gcj-style indirect descriptor. */ - GC_gcjobjfreelist = (ptr_t *)GC_new_free_list_inner(); - if (ignore_gcj_info) { - /* Use a simple length-based descriptor, thus forcing a fully */ - /* conservative scan. */ - GC_gcj_kind = GC_new_kind_inner((void **)GC_gcjobjfreelist, - (0 | GC_DS_LENGTH), - TRUE, TRUE); - } else { - GC_gcj_kind = GC_new_kind_inner( - (void **)GC_gcjobjfreelist, - (((word)(-MARK_DESCR_OFFSET - GC_INDIR_PER_OBJ_BIAS)) - | GC_DS_PER_OBJECT), - FALSE, TRUE); - } - /* Set up object kind for objects that require mark proc call. */ - if (ignore_gcj_info) { - GC_gcj_debug_kind = GC_gcj_kind; - GC_gcjdebugobjfreelist = GC_gcjobjfreelist; - } else { - GC_gcjdebugobjfreelist = (ptr_t *)GC_new_free_list_inner(); - GC_gcj_debug_kind = GC_new_kind_inner( - (void **)GC_gcjdebugobjfreelist, - GC_MAKE_PROC(mp_index, - 1 /* allocated with debug info */), - FALSE, TRUE); - } - UNLOCK(); -} - -void * GC_clear_stack(void *); - -#define GENERAL_MALLOC(lb,k) \ - GC_clear_stack(GC_generic_malloc_inner((word)lb, k)) - -#define GENERAL_MALLOC_IOP(lb,k) \ - GC_clear_stack(GC_generic_malloc_inner_ignore_off_page(lb, k)) - -/* We need a mechanism to release the lock and invoke finalizers. */ -/* We don't really have an opportunity to do this on a rarely executed */ -/* path on which the lock is not held. Thus we check at a */ -/* rarely executed point at which it is safe to release the lock. */ -/* We do this even where we could just call GC_INVOKE_FINALIZERS, */ -/* since it's probably cheaper and certainly more uniform. */ -/* FIXME - Consider doing the same elsewhere? */ -static void maybe_finalize() -{ - static int last_finalized_no = 0; - - if (GC_gc_no == last_finalized_no) return; - if (!GC_is_initialized) return; - UNLOCK(); - GC_INVOKE_FINALIZERS(); - last_finalized_no = GC_gc_no; - LOCK(); -} - -/* Allocate an object, clear it, and store the pointer to the */ -/* type structure (vtable in gcj). */ -/* This adds a byte at the end of the object if GC_malloc would.*/ -#ifdef THREAD_LOCAL_ALLOC - void * GC_core_gcj_malloc(size_t lb, void * ptr_to_struct_containing_descr) -#else - void * GC_gcj_malloc(size_t lb, void * ptr_to_struct_containing_descr) -#endif -{ - ptr_t op; - ptr_t * opp; - word lg; - DCL_LOCK_STATE; - - if(SMALL_OBJ(lb)) { - lg = GC_size_map[lb]; - opp = &(GC_gcjobjfreelist[lg]); - LOCK(); - op = *opp; - if(EXPECT(op == 0, 0)) { - maybe_finalize(); - op = (ptr_t)GENERAL_MALLOC((word)lb, GC_gcj_kind); - if (0 == op) { - UNLOCK(); - return(GC_oom_fn(lb)); - } - } else { - *opp = obj_link(op); - GC_bytes_allocd += GRANULES_TO_BYTES(lg); - } - *(void **)op = ptr_to_struct_containing_descr; - GC_ASSERT(((void **)op)[1] == 0); - UNLOCK(); - } else { - LOCK(); - maybe_finalize(); - op = (ptr_t)GENERAL_MALLOC((word)lb, GC_gcj_kind); - if (0 == op) { - UNLOCK(); - return(GC_oom_fn(lb)); - } - *(void **)op = ptr_to_struct_containing_descr; - UNLOCK(); - } - return((void *) op); -} - -/* Similar to GC_gcj_malloc, but add debug info. This is allocated */ -/* with GC_gcj_debug_kind. */ -void * GC_debug_gcj_malloc(size_t lb, void * ptr_to_struct_containing_descr, - GC_EXTRA_PARAMS) -{ - void * result; - - /* We're careful to avoid extra calls, which could */ - /* confuse the backtrace. */ - LOCK(); - maybe_finalize(); - result = GC_generic_malloc_inner(lb + DEBUG_BYTES, GC_gcj_debug_kind); - if (result == 0) { - UNLOCK(); - GC_err_printf("GC_debug_gcj_malloc(%ld, %p) returning NIL (", - (unsigned long)lb, ptr_to_struct_containing_descr); - GC_err_puts(s); - GC_err_printf(":%d)\n", i); - return(GC_oom_fn(lb)); - } - *((void **)((ptr_t)result + sizeof(oh))) = ptr_to_struct_containing_descr; - UNLOCK(); - if (!GC_debugging_started) { - GC_start_debugging(); - } - ADD_CALL_CHAIN(result, ra); - return (GC_store_debug_info(result, (word)lb, s, (word)i)); -} - -void * GC_gcj_malloc_ignore_off_page(size_t lb, - void * ptr_to_struct_containing_descr) -{ - ptr_t op; - ptr_t * opp; - word lg; - DCL_LOCK_STATE; - - if(SMALL_OBJ(lb)) { - lg = GC_size_map[lb]; - opp = &(GC_gcjobjfreelist[lg]); - LOCK(); - if( (op = *opp) == 0 ) { - maybe_finalize(); - op = (ptr_t)GENERAL_MALLOC_IOP(lb, GC_gcj_kind); - lg = GC_size_map[lb]; /* May have been uninitialized. */ - } else { - *opp = obj_link(op); - GC_bytes_allocd += GRANULES_TO_BYTES(lg); - } - *(void **)op = ptr_to_struct_containing_descr; - UNLOCK(); - } else { - LOCK(); - maybe_finalize(); - op = (ptr_t)GENERAL_MALLOC_IOP(lb, GC_gcj_kind); - if (0 != op) { - *(void **)op = ptr_to_struct_containing_descr; - } - UNLOCK(); - } - return((void *) op); -} - -#else - -char GC_no_gcj_support; - -#endif /* GC_GCJ_SUPPORT */ diff --git a/vendor/gc/gcname.c b/vendor/gc/gcname.c deleted file mode 100644 index 55b7c9f..0000000 --- a/vendor/gc/gcname.c +++ /dev/null @@ -1,13 +0,0 @@ -#include -#include - -int main() -{ - if (GC_ALPHA_VERSION == GC_NOT_ALPHA) { - printf("gc%d.%d", GC_VERSION_MAJOR, GC_VERSION_MINOR); - } else { - printf("gc%d.%dalpha%d", GC_VERSION_MAJOR, - GC_VERSION_MINOR, GC_ALPHA_VERSION); - } - return 0; -} diff --git a/vendor/gc/headers.c b/vendor/gc/headers.c deleted file mode 100644 index 7aef710..0000000 --- a/vendor/gc/headers.c +++ /dev/null @@ -1,398 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996 by Silicon Graphics. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* - * This implements: - * 1. allocation of heap block headers - * 2. A map from addresses to heap block addresses to heap block headers - * - * Access speed is crucial. We implement an index structure based on a 2 - * level tree. - */ - -# include "private/gc_priv.h" - -bottom_index * GC_all_bottom_indices = 0; - /* Pointer to first (lowest addr) */ - /* bottom_index. */ - -bottom_index * GC_all_bottom_indices_end = 0; - /* Pointer to last (highest addr) */ - /* bottom_index. */ - -/* Non-macro version of header location routine */ -hdr * GC_find_header(ptr_t h) -{ -# ifdef HASH_TL - hdr * result; - GET_HDR(h, result); - return(result); -# else - return(HDR_INNER(h)); -# endif -} - -/* Handle a header cache miss. Returns a pointer to the */ -/* header corresponding to p, if p can possibly be a valid */ -/* object pointer, and 0 otherwise. */ -/* GUARANTEED to return 0 for a pointer past the first page */ -/* of an object unless both GC_all_interior_pointers is set */ -/* and p is in fact a valid object pointer. */ -#ifdef PRINT_BLACK_LIST - hdr * GC_header_cache_miss(ptr_t p, hdr_cache_entry *hce, ptr_t source) -#else - hdr * GC_header_cache_miss(ptr_t p, hdr_cache_entry *hce) -#endif -{ - hdr *hhdr; - HC_MISS(); - GET_HDR(p, hhdr); - if (IS_FORWARDING_ADDR_OR_NIL(hhdr)) { - if (GC_all_interior_pointers) { - if (hhdr != 0) { - ptr_t current = p; - - current = (ptr_t)HBLKPTR(current); - do { - current = current - HBLKSIZE*(word)hhdr; - hhdr = HDR(current); - } while(IS_FORWARDING_ADDR_OR_NIL(hhdr)); - /* current points to near the start of the large object */ - if (hhdr -> hb_flags & IGNORE_OFF_PAGE - || HBLK_IS_FREE(hhdr)) - return 0; - if (p - current >= (ptrdiff_t)(hhdr->hb_sz)) { - GC_ADD_TO_BLACK_LIST_NORMAL(p, source); - /* Pointer past the end of the block */ - return 0; - } - } else { - GC_ADD_TO_BLACK_LIST_NORMAL(p, source); - } - return hhdr; - /* Pointers past the first page are probably too rare */ - /* to add them to the cache. We don't. */ - /* And correctness relies on the fact that we don't. */ - } else { - if (hhdr == 0) { - GC_ADD_TO_BLACK_LIST_NORMAL(p, source); - } - return 0; - } - } else { - if (HBLK_IS_FREE(hhdr)) { - GC_ADD_TO_BLACK_LIST_NORMAL(p, source); - return 0; - } else { - hce -> block_addr = (word)(p) >> LOG_HBLKSIZE; - hce -> hce_hdr = hhdr; - return hhdr; - } - } -} - -/* Routines to dynamically allocate collector data structures that will */ -/* never be freed. */ - -static ptr_t scratch_free_ptr = 0; - -/* GC_scratch_last_end_ptr is end point of last obtained scratch area. */ -/* GC_scratch_end_ptr is end point of current scratch area. */ - -ptr_t GC_scratch_alloc(size_t bytes) -{ - register ptr_t result = scratch_free_ptr; - - bytes += GRANULE_BYTES-1; - bytes &= ~(GRANULE_BYTES-1); - scratch_free_ptr += bytes; - if (scratch_free_ptr <= GC_scratch_end_ptr) { - return(result); - } - { - word bytes_to_get = MINHINCR * HBLKSIZE; - - if (bytes_to_get <= bytes) { - /* Undo the damage, and get memory directly */ - bytes_to_get = bytes; -# ifdef USE_MMAP - bytes_to_get += GC_page_size - 1; - bytes_to_get &= ~(GC_page_size - 1); -# endif - result = (ptr_t)GET_MEM(bytes_to_get); - GC_add_to_our_memory(result, bytes_to_get); - scratch_free_ptr -= bytes; - GC_scratch_last_end_ptr = result + bytes; - return(result); - } - result = (ptr_t)GET_MEM(bytes_to_get); - GC_add_to_our_memory(result, bytes_to_get); - if (result == 0) { - if (GC_print_stats) - GC_printf("Out of memory - trying to allocate less\n"); - scratch_free_ptr -= bytes; - bytes_to_get = bytes; -# ifdef USE_MMAP - bytes_to_get += GC_page_size - 1; - bytes_to_get &= ~(GC_page_size - 1); -# endif - result = (ptr_t)GET_MEM(bytes_to_get); - GC_add_to_our_memory(result, bytes_to_get); - return result; - } - scratch_free_ptr = result; - GC_scratch_end_ptr = scratch_free_ptr + bytes_to_get; - GC_scratch_last_end_ptr = GC_scratch_end_ptr; - return(GC_scratch_alloc(bytes)); - } -} - -static hdr * hdr_free_list = 0; - -/* Return an uninitialized header */ -static hdr * alloc_hdr(void) -{ - register hdr * result; - - if (hdr_free_list == 0) { - result = (hdr *) GC_scratch_alloc((word)(sizeof(hdr))); - } else { - result = hdr_free_list; - hdr_free_list = (hdr *) (result -> hb_next); - } - return(result); -} - -static void free_hdr(hdr * hhdr) -{ - hhdr -> hb_next = (struct hblk *) hdr_free_list; - hdr_free_list = hhdr; -} - -#ifdef USE_HDR_CACHE - word GC_hdr_cache_hits = 0; - word GC_hdr_cache_misses = 0; -#endif - -void GC_init_headers(void) -{ - register unsigned i; - - GC_all_nils = (bottom_index *)GC_scratch_alloc((word)sizeof(bottom_index)); - BZERO(GC_all_nils, sizeof(bottom_index)); - for (i = 0; i < TOP_SZ; i++) { - GC_top_index[i] = GC_all_nils; - } -} - -/* Make sure that there is a bottom level index block for address addr */ -/* Return FALSE on failure. */ -static GC_bool get_index(word addr) -{ - word hi = (word)(addr) >> (LOG_BOTTOM_SZ + LOG_HBLKSIZE); - bottom_index * r; - bottom_index * p; - bottom_index ** prev; - bottom_index *pi; - -# ifdef HASH_TL - word i = TL_HASH(hi); - bottom_index * old; - - old = p = GC_top_index[i]; - while(p != GC_all_nils) { - if (p -> key == hi) return(TRUE); - p = p -> hash_link; - } - r = (bottom_index*)GC_scratch_alloc((word)(sizeof (bottom_index))); - if (r == 0) return(FALSE); - BZERO(r, sizeof (bottom_index)); - r -> hash_link = old; - GC_top_index[i] = r; -# else - if (GC_top_index[hi] != GC_all_nils) return(TRUE); - r = (bottom_index*)GC_scratch_alloc((word)(sizeof (bottom_index))); - if (r == 0) return(FALSE); - GC_top_index[hi] = r; - BZERO(r, sizeof (bottom_index)); -# endif - r -> key = hi; - /* Add it to the list of bottom indices */ - prev = &GC_all_bottom_indices; /* pointer to p */ - pi = 0; /* bottom_index preceding p */ - while ((p = *prev) != 0 && p -> key < hi) { - pi = p; - prev = &(p -> asc_link); - } - r -> desc_link = pi; - if (0 == p) { - GC_all_bottom_indices_end = r; - } else { - p -> desc_link = r; - } - r -> asc_link = p; - *prev = r; - return(TRUE); -} - -/* Install a header for block h. */ -/* The header is uninitialized. */ -/* Returns the header or 0 on failure. */ -struct hblkhdr * GC_install_header(struct hblk *h) -{ - hdr * result; - - if (!get_index((word) h)) return(0); - result = alloc_hdr(); - SET_HDR(h, result); -# ifdef USE_MUNMAP - result -> hb_last_reclaimed = (unsigned short)GC_gc_no; -# endif - return(result); -} - -/* Set up forwarding counts for block h of size sz */ -GC_bool GC_install_counts(struct hblk *h, size_t sz/* bytes */) -{ - struct hblk * hbp; - word i; - - for (hbp = h; (char *)hbp < (char *)h + sz; hbp += BOTTOM_SZ) { - if (!get_index((word) hbp)) return(FALSE); - } - if (!get_index((word)h + sz - 1)) return(FALSE); - for (hbp = h + 1; (char *)hbp < (char *)h + sz; hbp += 1) { - i = HBLK_PTR_DIFF(hbp, h); - SET_HDR(hbp, (hdr *)(i > MAX_JUMP? MAX_JUMP : i)); - } - return(TRUE); -} - -/* Remove the header for block h */ -void GC_remove_header(struct hblk *h) -{ - hdr ** ha; - - GET_HDR_ADDR(h, ha); - free_hdr(*ha); - *ha = 0; -} - -/* Remove forwarding counts for h */ -void GC_remove_counts(struct hblk *h, size_t sz/* bytes */) -{ - register struct hblk * hbp; - - for (hbp = h+1; (char *)hbp < (char *)h + sz; hbp += 1) { - SET_HDR(hbp, 0); - } -} - -/* Apply fn to all allocated blocks */ -/*VARARGS1*/ -void GC_apply_to_all_blocks(void (*fn)(struct hblk *h, word client_data), - word client_data) -{ - signed_word j; - bottom_index * index_p; - - for (index_p = GC_all_bottom_indices; index_p != 0; - index_p = index_p -> asc_link) { - for (j = BOTTOM_SZ-1; j >= 0;) { - if (!IS_FORWARDING_ADDR_OR_NIL(index_p->index[j])) { - if (!HBLK_IS_FREE(index_p->index[j])) { - (*fn)(((struct hblk *) - (((index_p->key << LOG_BOTTOM_SZ) + (word)j) - << LOG_HBLKSIZE)), - client_data); - } - j--; - } else if (index_p->index[j] == 0) { - j--; - } else { - j -= (signed_word)(index_p->index[j]); - } - } - } -} - -/* Get the next valid block whose address is at least h */ -/* Return 0 if there is none. */ -struct hblk * GC_next_used_block(struct hblk *h) -{ - register bottom_index * bi; - register word j = ((word)h >> LOG_HBLKSIZE) & (BOTTOM_SZ-1); - - GET_BI(h, bi); - if (bi == GC_all_nils) { - register word hi = (word)h >> (LOG_BOTTOM_SZ + LOG_HBLKSIZE); - bi = GC_all_bottom_indices; - while (bi != 0 && bi -> key < hi) bi = bi -> asc_link; - j = 0; - } - while(bi != 0) { - while (j < BOTTOM_SZ) { - hdr * hhdr = bi -> index[j]; - if (IS_FORWARDING_ADDR_OR_NIL(hhdr)) { - j++; - } else { - if (!HBLK_IS_FREE(hhdr)) { - return((struct hblk *) - (((bi -> key << LOG_BOTTOM_SZ) + j) - << LOG_HBLKSIZE)); - } else { - j += divHBLKSZ(hhdr -> hb_sz); - } - } - } - j = 0; - bi = bi -> asc_link; - } - return(0); -} - -/* Get the last (highest address) block whose address is */ -/* at most h. Return 0 if there is none. */ -/* Unlike the above, this may return a free block. */ -struct hblk * GC_prev_block(struct hblk *h) -{ - register bottom_index * bi; - register signed_word j = ((word)h >> LOG_HBLKSIZE) & (BOTTOM_SZ-1); - - GET_BI(h, bi); - if (bi == GC_all_nils) { - register word hi = (word)h >> (LOG_BOTTOM_SZ + LOG_HBLKSIZE); - bi = GC_all_bottom_indices_end; - while (bi != 0 && bi -> key > hi) bi = bi -> desc_link; - j = BOTTOM_SZ - 1; - } - while(bi != 0) { - while (j >= 0) { - hdr * hhdr = bi -> index[j]; - if (0 == hhdr) { - --j; - } else if (IS_FORWARDING_ADDR_OR_NIL(hhdr)) { - j -= (signed_word)hhdr; - } else { - return((struct hblk *) - (((bi -> key << LOG_BOTTOM_SZ) + j) - << LOG_HBLKSIZE)); - } - } - j = BOTTOM_SZ - 1; - bi = bi -> desc_link; - } - return(0); -} diff --git a/vendor/gc/hpux_test_and_clear.s b/vendor/gc/hpux_test_and_clear.s deleted file mode 100644 index f09b211..0000000 --- a/vendor/gc/hpux_test_and_clear.s +++ /dev/null @@ -1,21 +0,0 @@ - .SPACE $PRIVATE$ - .SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31 - .SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82 - .SPACE $TEXT$ - .SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44 - .SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY - .IMPORT $global$,DATA - .IMPORT $$dyncall,MILLICODE - .SPACE $TEXT$ - .SUBSPA $CODE$ - - .align 4 - .EXPORT GC_test_and_clear,ENTRY,PRIV_LEV=3,ARGW0=GR,RTNVAL=GR -GC_test_and_clear - .PROC - .CALLINFO FRAME=0,NO_CALLS - .ENTRY - ldcw,co (%r26),%r28 - bv,n 0(%r2) - .EXIT - .PROCEND diff --git a/vendor/gc/ia64_save_regs_in_stack.s b/vendor/gc/ia64_save_regs_in_stack.s deleted file mode 100644 index 3b18c08..0000000 --- a/vendor/gc/ia64_save_regs_in_stack.s +++ /dev/null @@ -1,12 +0,0 @@ - .text - .align 16 - .global GC_save_regs_in_stack - .proc GC_save_regs_in_stack -GC_save_regs_in_stack: - .body - flushrs - ;; - mov r8=ar.bsp - br.ret.sptk.few rp - .endp GC_save_regs_in_stack - diff --git a/vendor/gc/if_mach.c b/vendor/gc/if_mach.c deleted file mode 100644 index d6e0a70..0000000 --- a/vendor/gc/if_mach.c +++ /dev/null @@ -1,25 +0,0 @@ -/* Conditionally execute a command based on machine and OS from gcconfig.h */ - -# include "private/gcconfig.h" -# include -# include -# include - -int main(int argc, char **argv, char **envp) -{ - if (argc < 4) goto Usage; - if (strcmp(MACH_TYPE, argv[1]) != 0) return(0); - if (strcmp(OS_TYPE, "") != 0 && strcmp(argv[2], "") != 0 - && strcmp(OS_TYPE, argv[2]) != 0) return(0); - fprintf(stderr, "^^^^Starting command^^^^\n"); - fflush(stdout); - execvp(argv[3], argv+3); - perror("Couldn't execute"); - -Usage: - fprintf(stderr, "Usage: %s mach_type os_type command\n", argv[0]); - fprintf(stderr, "Currently mach_type = %s, os_type = %s\n", - MACH_TYPE, OS_TYPE); - return(1); -} - diff --git a/vendor/gc/if_not_there.c b/vendor/gc/if_not_there.c deleted file mode 100644 index 7af6fba..0000000 --- a/vendor/gc/if_not_there.c +++ /dev/null @@ -1,38 +0,0 @@ -/* Conditionally execute a command based if the file argv[1] doesn't exist */ -/* Except for execvp, we stick to ANSI C. */ -# include "private/gcconfig.h" -# include -# include -# include -#ifdef __DJGPP__ -#include -#endif /* __DJGPP__ */ - -int main(int argc, char **argv, char **envp) -{ - FILE * f; -#ifdef __DJGPP__ - DIR * d; -#endif /* __DJGPP__ */ - if (argc < 3) goto Usage; - if ((f = fopen(argv[1], "rb")) != 0 - || (f = fopen(argv[1], "r")) != 0) { - fclose(f); - return(0); - } -#ifdef __DJGPP__ - if ((d = opendir(argv[1])) != 0) { - closedir(d); - return(0); - } -#endif - printf("^^^^Starting command^^^^\n"); - fflush(stdout); - execvp(argv[2], argv+2); - exit(1); - -Usage: - fprintf(stderr, "Usage: %s file_name command\n", argv[0]); - return(1); -} - diff --git a/vendor/gc/include/cord.h b/vendor/gc/include/cord.h deleted file mode 100644 index 926089e..0000000 --- a/vendor/gc/include/cord.h +++ /dev/null @@ -1,327 +0,0 @@ -/* - * Copyright (c) 1993-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - * Author: Hans-J. Boehm (boehm@parc.xerox.com) - */ -/* Boehm, October 5, 1995 4:20 pm PDT */ - -/* - * Cords are immutable character strings. A number of operations - * on long cords are much more efficient than their strings.h counterpart. - * In particular, concatenation takes constant time independent of the length - * of the arguments. (Cords are represented as trees, with internal - * nodes representing concatenation and leaves consisting of either C - * strings or a functional description of the string.) - * - * The following are reasonable applications of cords. They would perform - * unacceptably if C strings were used: - * - A compiler that produces assembly language output by repeatedly - * concatenating instructions onto a cord representing the output file. - * - A text editor that converts the input file to a cord, and then - * performs editing operations by producing a new cord representing - * the file after echa character change (and keeping the old ones in an - * edit history) - * - * For optimal performance, cords should be built by - * concatenating short sections. - * This interface is designed for maximum compatibility with C strings. - * ASCII NUL characters may be embedded in cords using CORD_from_fn. - * This is handled correctly, but CORD_to_char_star will produce a string - * with embedded NULs when given such a cord. - * - * This interface is fairly big, largely for performance reasons. - * The most basic constants and functions: - * - * CORD - the type of a cord; - * CORD_EMPTY - empty cord; - * CORD_len(cord) - length of a cord; - * CORD_cat(cord1,cord2) - concatenation of two cords; - * CORD_substr(cord, start, len) - substring (or subcord); - * CORD_pos i; CORD_FOR(i, cord) { ... CORD_pos_fetch(i) ... } - - * examine each character in a cord. CORD_pos_fetch(i) is the char. - * CORD_fetch(int i) - Retrieve i'th character (slowly). - * CORD_cmp(cord1, cord2) - compare two cords. - * CORD_from_file(FILE * f) - turn a read-only file into a cord. - * CORD_to_char_star(cord) - convert to C string. - * (Non-NULL C constant strings are cords.) - * CORD_printf (etc.) - cord version of printf. Use %r for cords. - */ -# ifndef CORD_H - -# define CORD_H -# include -# include -/* Cords have type const char *. This is cheating quite a bit, and not */ -/* 100% portable. But it means that nonempty character string */ -/* constants may be used as cords directly, provided the string is */ -/* never modified in place. The empty cord is represented by, and */ -/* can be written as, 0. */ - -typedef const char * CORD; - -/* An empty cord is always represented as nil */ -# define CORD_EMPTY 0 - -/* Is a nonempty cord represented as a C string? */ -#define CORD_IS_STRING(s) (*(s) != '\0') - -/* Concatenate two cords. If the arguments are C strings, they may */ -/* not be subsequently altered. */ -CORD CORD_cat(CORD x, CORD y); - -/* Concatenate a cord and a C string with known length. Except for the */ -/* empty string case, this is a special case of CORD_cat. Since the */ -/* length is known, it can be faster. */ -/* The string y is shared with the resulting CORD. Hence it should */ -/* not be altered by the caller. */ -CORD CORD_cat_char_star(CORD x, const char * y, size_t leny); - -/* Compute the length of a cord */ -size_t CORD_len(CORD x); - -/* Cords may be represented by functions defining the ith character */ -typedef char (* CORD_fn)(size_t i, void * client_data); - -/* Turn a functional description into a cord. */ -CORD CORD_from_fn(CORD_fn fn, void * client_data, size_t len); - -/* Return the substring (subcord really) of x with length at most n, */ -/* starting at position i. (The initial character has position 0.) */ -CORD CORD_substr(CORD x, size_t i, size_t n); - -/* Return the argument, but rebalanced to allow more efficient */ -/* character retrieval, substring operations, and comparisons. */ -/* This is useful only for cords that were built using repeated */ -/* concatenation. Guarantees log time access to the result, unless */ -/* x was obtained through a large number of repeated substring ops */ -/* or the embedded functional descriptions take longer to evaluate. */ -/* May reallocate significant parts of the cord. The argument is not */ -/* modified; only the result is balanced. */ -CORD CORD_balance(CORD x); - -/* The following traverse a cord by applying a function to each */ -/* character. This is occasionally appropriate, especially where */ -/* speed is crucial. But, since C doesn't have nested functions, */ -/* clients of this sort of traversal are clumsy to write. Consider */ -/* the functions that operate on cord positions instead. */ - -/* Function to iteratively apply to individual characters in cord. */ -typedef int (* CORD_iter_fn)(char c, void * client_data); - -/* Function to apply to substrings of a cord. Each substring is a */ -/* a C character string, not a general cord. */ -typedef int (* CORD_batched_iter_fn)(const char * s, void * client_data); -# define CORD_NO_FN ((CORD_batched_iter_fn)0) - -/* Apply f1 to each character in the cord, in ascending order, */ -/* starting at position i. If */ -/* f2 is not CORD_NO_FN, then multiple calls to f1 may be replaced by */ -/* a single call to f2. The parameter f2 is provided only to allow */ -/* some optimization by the client. This terminates when the right */ -/* end of this string is reached, or when f1 or f2 return != 0. In the */ -/* latter case CORD_iter returns != 0. Otherwise it returns 0. */ -/* The specified value of i must be < CORD_len(x). */ -int CORD_iter5(CORD x, size_t i, CORD_iter_fn f1, - CORD_batched_iter_fn f2, void * client_data); - -/* A simpler version that starts at 0, and without f2: */ -int CORD_iter(CORD x, CORD_iter_fn f1, void * client_data); -# define CORD_iter(x, f1, cd) CORD_iter5(x, 0, f1, CORD_NO_FN, cd) - -/* Similar to CORD_iter5, but end-to-beginning. No provisions for */ -/* CORD_batched_iter_fn. */ -int CORD_riter4(CORD x, size_t i, CORD_iter_fn f1, void * client_data); - -/* A simpler version that starts at the end: */ -int CORD_riter(CORD x, CORD_iter_fn f1, void * client_data); - -/* Functions that operate on cord positions. The easy way to traverse */ -/* cords. A cord position is logically a pair consisting of a cord */ -/* and an index into that cord. But it is much faster to retrieve a */ -/* charcter based on a position than on an index. Unfortunately, */ -/* positions are big (order of a few 100 bytes), so allocate them with */ -/* caution. */ -/* Things in cord_pos.h should be treated as opaque, except as */ -/* described below. Also note that */ -/* CORD_pos_fetch, CORD_next and CORD_prev have both macro and function */ -/* definitions. The former may evaluate their argument more than once. */ -# include "private/cord_pos.h" - -/* - Visible definitions from above: - - typedef CORD_pos[1]; - - * Extract the cord from a position: - CORD CORD_pos_to_cord(CORD_pos p); - - * Extract the current index from a position: - size_t CORD_pos_to_index(CORD_pos p); - - * Fetch the character located at the given position: - char CORD_pos_fetch(CORD_pos p); - - * Initialize the position to refer to the given cord and index. - * Note that this is the most expensive function on positions: - void CORD_set_pos(CORD_pos p, CORD x, size_t i); - - * Advance the position to the next character. - * P must be initialized and valid. - * Invalidates p if past end: - void CORD_next(CORD_pos p); - - * Move the position to the preceding character. - * P must be initialized and valid. - * Invalidates p if past beginning: - void CORD_prev(CORD_pos p); - - * Is the position valid, i.e. inside the cord? - int CORD_pos_valid(CORD_pos p); -*/ -# define CORD_FOR(pos, cord) \ - for (CORD_set_pos(pos, cord, 0); CORD_pos_valid(pos); CORD_next(pos)) - - -/* An out of memory handler to call. May be supplied by client. */ -/* Must not return. */ -extern void (* CORD_oom_fn)(void); - -/* Dump the representation of x to stdout in an implementation defined */ -/* manner. Intended for debugging only. */ -void CORD_dump(CORD x); - -/* The following could easily be implemented by the client. They are */ -/* provided in cordxtra.c for convenience. */ - -/* Concatenate a character to the end of a cord. */ -CORD CORD_cat_char(CORD x, char c); - -/* Concatenate n cords. */ -CORD CORD_catn(int n, /* CORD */ ...); - -/* Return the character in CORD_substr(x, i, 1) */ -char CORD_fetch(CORD x, size_t i); - -/* Return < 0, 0, or > 0, depending on whether x < y, x = y, x > y */ -int CORD_cmp(CORD x, CORD y); - -/* A generalization that takes both starting positions for the */ -/* comparison, and a limit on the number of characters to be compared. */ -int CORD_ncmp(CORD x, size_t x_start, CORD y, size_t y_start, size_t len); - -/* Find the first occurrence of s in x at position start or later. */ -/* Return the position of the first character of s in x, or */ -/* CORD_NOT_FOUND if there is none. */ -size_t CORD_str(CORD x, size_t start, CORD s); - -/* Return a cord consisting of i copies of (possibly NUL) c. Dangerous */ -/* in conjunction with CORD_to_char_star. */ -/* The resulting representation takes constant space, independent of i. */ -CORD CORD_chars(char c, size_t i); -# define CORD_nul(i) CORD_chars('\0', (i)) - -/* Turn a file into cord. The file must be seekable. Its contents */ -/* must remain constant. The file may be accessed as an immediate */ -/* result of this call and/or as a result of subsequent accesses to */ -/* the cord. Short files are likely to be immediately read, but */ -/* long files are likely to be read on demand, possibly relying on */ -/* stdio for buffering. */ -/* We must have exclusive access to the descriptor f, i.e. we may */ -/* read it at any time, and expect the file pointer to be */ -/* where we left it. Normally this should be invoked as */ -/* CORD_from_file(fopen(...)) */ -/* CORD_from_file arranges to close the file descriptor when it is no */ -/* longer needed (e.g. when the result becomes inaccessible). */ -/* The file f must be such that ftell reflects the actual character */ -/* position in the file, i.e. the number of characters that can be */ -/* or were read with fread. On UNIX systems this is always true. On */ -/* MS Windows systems, f must be opened in binary mode. */ -CORD CORD_from_file(FILE * f); - -/* Equivalent to the above, except that the entire file will be read */ -/* and the file pointer will be closed immediately. */ -/* The binary mode restriction from above does not apply. */ -CORD CORD_from_file_eager(FILE * f); - -/* Equivalent to the above, except that the file will be read on demand.*/ -/* The binary mode restriction applies. */ -CORD CORD_from_file_lazy(FILE * f); - -/* Turn a cord into a C string. The result shares no structure with */ -/* x, and is thus modifiable. */ -char * CORD_to_char_star(CORD x); - -/* Turn a C string into a CORD. The C string is copied, and so may */ -/* subsequently be modified. */ -CORD CORD_from_char_star(const char *s); - -/* Identical to the above, but the result may share structure with */ -/* the argument and is thus not modifiable. */ -const char * CORD_to_const_char_star(CORD x); - -/* Write a cord to a file, starting at the current position. No */ -/* trailing NULs are newlines are added. */ -/* Returns EOF if a write error occurs, 1 otherwise. */ -int CORD_put(CORD x, FILE * f); - -/* "Not found" result for the following two functions. */ -# define CORD_NOT_FOUND ((size_t)(-1)) - -/* A vague analog of strchr. Returns the position (an integer, not */ -/* a pointer) of the first occurrence of (char) c inside x at position */ -/* i or later. The value i must be < CORD_len(x). */ -size_t CORD_chr(CORD x, size_t i, int c); - -/* A vague analog of strrchr. Returns index of the last occurrence */ -/* of (char) c inside x at position i or earlier. The value i */ -/* must be < CORD_len(x). */ -size_t CORD_rchr(CORD x, size_t i, int c); - - -/* The following are also not primitive, but are implemented in */ -/* cordprnt.c. They provide functionality similar to the ANSI C */ -/* functions with corresponding names, but with the following */ -/* additions and changes: */ -/* 1. A %r conversion specification specifies a CORD argument. Field */ -/* width, precision, etc. have the same semantics as for %s. */ -/* (Note that %c,%C, and %S were already taken.) */ -/* 2. The format string is represented as a CORD. */ -/* 3. CORD_sprintf and CORD_vsprintf assign the result through the 1st */ /* argument. Unlike their ANSI C versions, there is no need to guess */ -/* the correct buffer size. */ -/* 4. Most of the conversions are implement through the native */ -/* vsprintf. Hence they are usually no faster, and */ -/* idiosyncracies of the native printf are preserved. However, */ -/* CORD arguments to CORD_sprintf and CORD_vsprintf are NOT copied; */ -/* the result shares the original structure. This may make them */ -/* very efficient in some unusual applications. */ -/* The format string is copied. */ -/* All functions return the number of characters generated or -1 on */ -/* error. This complies with the ANSI standard, but is inconsistent */ -/* with some older implementations of sprintf. */ - -/* The implementation of these is probably less portable than the rest */ -/* of this package. */ - -#ifndef CORD_NO_IO - -#include - -int CORD_sprintf(CORD * out, CORD format, ...); -int CORD_vsprintf(CORD * out, CORD format, va_list args); -int CORD_fprintf(FILE * f, CORD format, ...); -int CORD_vfprintf(FILE * f, CORD format, va_list args); -int CORD_printf(CORD format, ...); -int CORD_vprintf(CORD format, va_list args); - -#endif /* CORD_NO_IO */ - -# endif /* CORD_H */ diff --git a/vendor/gc/include/ec.h b/vendor/gc/include/ec.h deleted file mode 100644 index c829b83..0000000 --- a/vendor/gc/include/ec.h +++ /dev/null @@ -1,70 +0,0 @@ -# ifndef EC_H -# define EC_H - -# ifndef CORD_H -# include "cord.h" -# endif - -/* Extensible cords are strings that may be destructively appended to. */ -/* They allow fast construction of cords from characters that are */ -/* being read from a stream. */ -/* - * A client might look like: - * - * { - * CORD_ec x; - * CORD result; - * char c; - * FILE *f; - * - * ... - * CORD_ec_init(x); - * while(...) { - * c = getc(f); - * ... - * CORD_ec_append(x, c); - * } - * result = CORD_balance(CORD_ec_to_cord(x)); - * - * If a C string is desired as the final result, the call to CORD_balance - * may be replaced by a call to CORD_to_char_star. - */ - -# ifndef CORD_BUFSZ -# define CORD_BUFSZ 128 -# endif - -typedef struct CORD_ec_struct { - CORD ec_cord; - char * ec_bufptr; - char ec_buf[CORD_BUFSZ+1]; -} CORD_ec[1]; - -/* This structure represents the concatenation of ec_cord with */ -/* ec_buf[0 ... (ec_bufptr-ec_buf-1)] */ - -/* Flush the buffer part of the extended chord into ec_cord. */ -/* Note that this is almost the only real function, and it is */ -/* implemented in 6 lines in cordxtra.c */ -void CORD_ec_flush_buf(CORD_ec x); - -/* Convert an extensible cord to a cord. */ -# define CORD_ec_to_cord(x) (CORD_ec_flush_buf(x), (x)[0].ec_cord) - -/* Initialize an extensible cord. */ -# define CORD_ec_init(x) ((x)[0].ec_cord = 0, (x)[0].ec_bufptr = (x)[0].ec_buf) - -/* Append a character to an extensible cord. */ -# define CORD_ec_append(x, c) \ - { \ - if ((x)[0].ec_bufptr == (x)[0].ec_buf + CORD_BUFSZ) { \ - CORD_ec_flush_buf(x); \ - } \ - *((x)[0].ec_bufptr)++ = (c); \ - } - -/* Append a cord to an extensible cord. Structure remains shared with */ -/* original. */ -void CORD_ec_append_cord(CORD_ec x, CORD s); - -# endif /* EC_H */ diff --git a/vendor/gc/include/extra/gc.h b/vendor/gc/include/extra/gc.h deleted file mode 100644 index 55ae4c6..0000000 --- a/vendor/gc/include/extra/gc.h +++ /dev/null @@ -1,2 +0,0 @@ -/* This file is installed for backward compatibility. */ -#include diff --git a/vendor/gc/include/extra/gc_cpp.h b/vendor/gc/include/extra/gc_cpp.h deleted file mode 100644 index 36669f9..0000000 --- a/vendor/gc/include/extra/gc_cpp.h +++ /dev/null @@ -1,2 +0,0 @@ -/* This file is installed for backward compatibility. */ -#include diff --git a/vendor/gc/include/gc.h b/vendor/gc/include/gc.h deleted file mode 100644 index 4d9285b..0000000 --- a/vendor/gc/include/gc.h +++ /dev/null @@ -1,1150 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright 1999 by Hewlett-Packard Company. All rights reserved. - * Copyright (C) 2007 Free Software Foundation, Inc - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* - * Note that this defines a large number of tuning hooks, which can - * safely be ignored in nearly all cases. For normal use it suffices - * to call only GC_MALLOC and perhaps GC_REALLOC. - * For better performance, also look at GC_MALLOC_ATOMIC, and - * GC_enable_incremental. If you need an action to be performed - * immediately before an object is collected, look at GC_register_finalizer. - * If you are using Solaris threads, look at the end of this file. - * Everything else is best ignored unless you encounter performance - * problems. - */ - -#ifndef _GC_H - -# define _GC_H - -# include "gc_version.h" - /* Define version numbers here to allow test on build machine */ - /* for cross-builds. Note that this defines the header */ - /* version number, which may or may not match that of the */ - /* dynamic library. The GC_version variable can be used */ - /* to obtain the latter. */ - -# include "gc_config_macros.h" - -# ifdef __cplusplus - extern "C" { -# endif - - -/* Define word and signed_word to be unsigned and signed types of the */ -/* size as char * or void *. There seems to be no way to do this */ -/* even semi-portably. The following is probably no better/worse */ -/* than almost anything else. */ -/* The ANSI standard suggests that size_t and ptr_diff_t might be */ -/* better choices. But those had incorrect definitions on some older */ -/* systems. Notably "typedef int size_t" is WRONG. */ -#ifndef _WIN64 - typedef unsigned long GC_word; - typedef long GC_signed_word; -#else - /* Win64 isn't really supported yet, but this is the first step. And */ - /* it might cause error messages to show up in more plausible places. */ - /* This needs basetsd.h, which is included by windows.h. */ - typedef unsigned long long GC_word; - typedef long long GC_signed_word; -#endif - -/* Public read-only variables */ - -GC_API GC_word GC_gc_no;/* Counter incremented per collection. */ - /* Includes empty GCs at startup. */ - -GC_API int GC_parallel; /* GC is parallelized for performance on */ - /* multiprocessors. Currently set only */ - /* implicitly if collector is built with */ - /* -DPARALLEL_MARK and if either: */ - /* Env variable GC_NPROC is set to > 1, or */ - /* GC_NPROC is not set and this is an MP. */ - /* If GC_parallel is set, incremental */ - /* collection is only partially functional, */ - /* and may not be desirable. */ - - -/* Public R/W variables */ - -GC_API void * (*GC_oom_fn) (size_t bytes_requested); - /* When there is insufficient memory to satisfy */ - /* an allocation request, we return */ - /* (*GC_oom_fn)(). By default this just */ - /* returns 0. */ - /* If it returns, it must return 0 or a valid */ - /* pointer to a previously allocated heap */ - /* object. */ - -GC_API int GC_find_leak; - /* Do not actually garbage collect, but simply */ - /* report inaccessible memory that was not */ - /* deallocated with GC_free. Initial value */ - /* is determined by FIND_LEAK macro. */ - -GC_API int GC_all_interior_pointers; - /* Arrange for pointers to object interiors to */ - /* be recognized as valid. May not be changed */ - /* after GC initialization. */ - /* Initial value is determined by */ - /* -DALL_INTERIOR_POINTERS. */ - /* Unless DONT_ADD_BYTE_AT_END is defined, this */ - /* also affects whether sizes are increased by */ - /* at least a byte to allow "off the end" */ - /* pointer recognition. */ - /* MUST BE 0 or 1. */ - -GC_API int GC_finalize_on_demand; - /* If nonzero, finalizers will only be run in */ - /* response to an explicit GC_invoke_finalizers */ - /* call. The default is determined by whether */ - /* the FINALIZE_ON_DEMAND macro is defined */ - /* when the collector is built. */ - -GC_API int GC_java_finalization; - /* Mark objects reachable from finalizable */ - /* objects in a separate postpass. This makes */ - /* it a bit safer to use non-topologically- */ - /* ordered finalization. Default value is */ - /* determined by JAVA_FINALIZATION macro. */ - /* Enables register_finalizer_unreachable to */ - /* work correctly. */ - -GC_API void (* GC_finalizer_notifier)(void); - /* Invoked by the collector when there are */ - /* objects to be finalized. Invoked at most */ - /* once per GC cycle. Never invoked unless */ - /* GC_finalize_on_demand is set. */ - /* Typically this will notify a finalization */ - /* thread, which will call GC_invoke_finalizers */ - /* in response. */ - -GC_API int GC_dont_gc; /* != 0 ==> Dont collect. In versions 6.2a1+, */ - /* this overrides explicit GC_gcollect() calls. */ - /* Used as a counter, so that nested enabling */ - /* and disabling work correctly. Should */ - /* normally be updated with GC_enable() and */ - /* GC_disable() calls. */ - /* Direct assignment to GC_dont_gc is */ - /* deprecated. */ - -GC_API int GC_dont_expand; - /* Dont expand heap unless explicitly requested */ - /* or forced to. */ - -GC_API int GC_use_entire_heap; - /* Causes the nonincremental collector to use the */ - /* entire heap before collecting. This was the only */ - /* option for GC versions < 5.0. This sometimes */ - /* results in more large block fragmentation, since */ - /* very larg blocks will tend to get broken up */ - /* during each GC cycle. It is likely to result in a */ - /* larger working set, but lower collection */ - /* frequencies, and hence fewer instructions executed */ - /* in the collector. */ - -GC_API int GC_full_freq; /* Number of partial collections between */ - /* full collections. Matters only if */ - /* GC_incremental is set. */ - /* Full collections are also triggered if */ - /* the collector detects a substantial */ - /* increase in the number of in-use heap */ - /* blocks. Values in the tens are now */ - /* perfectly reasonable, unlike for */ - /* earlier GC versions. */ - -GC_API GC_word GC_non_gc_bytes; - /* Bytes not considered candidates for collection. */ - /* Used only to control scheduling of collections. */ - /* Updated by GC_malloc_uncollectable and GC_free. */ - /* Wizards only. */ - -GC_API int GC_no_dls; - /* Don't register dynamic library data segments. */ - /* Wizards only. Should be used only if the */ - /* application explicitly registers all roots. */ - /* In Microsoft Windows environments, this will */ - /* usually also prevent registration of the */ - /* main data segment as part of the root set. */ - -GC_API GC_word GC_free_space_divisor; - /* We try to make sure that we allocate at */ - /* least N/GC_free_space_divisor bytes between */ - /* collections, where N is twice the number */ - /* of traced bytes, plus the number of untraced */ - /* bytes (bytes in "atomic" objects), plus */ - /* a rough estimate of the root set size. */ - /* N approximates GC tracing work per GC. */ - /* Initially, GC_free_space_divisor = 3. */ - /* Increasing its value will use less space */ - /* but more collection time. Decreasing it */ - /* will appreciably decrease collection time */ - /* at the expense of space. */ - -GC_API GC_word GC_max_retries; - /* The maximum number of GCs attempted before */ - /* reporting out of memory after heap */ - /* expansion fails. Initially 0. */ - - -GC_API char *GC_stackbottom; /* Cool end of user stack. */ - /* May be set in the client prior to */ - /* calling any GC_ routines. This */ - /* avoids some overhead, and */ - /* potentially some signals that can */ - /* confuse debuggers. Otherwise the */ - /* collector attempts to set it */ - /* automatically. */ - /* For multithreaded code, this is the */ - /* cold end of the stack for the */ - /* primordial thread. */ - -GC_API int GC_dont_precollect; /* Don't collect as part of */ - /* initialization. Should be set only */ - /* if the client wants a chance to */ - /* manually initialize the root set */ - /* before the first collection. */ - /* Interferes with blacklisting. */ - /* Wizards only. */ - -GC_API unsigned long GC_time_limit; - /* If incremental collection is enabled, */ - /* We try to terminate collections */ - /* after this many milliseconds. Not a */ - /* hard time bound. Setting this to */ - /* GC_TIME_UNLIMITED will essentially */ - /* disable incremental collection while */ - /* leaving generational collection */ - /* enabled. */ -# define GC_TIME_UNLIMITED 999999 - /* Setting GC_time_limit to this value */ - /* will disable the "pause time exceeded"*/ - /* tests. */ - -/* Public procedures */ - -/* Initialize the collector. Portable clients should call GC_INIT() from - * the main program instead. - */ -GC_API void GC_init(void); - -/* - * general purpose allocation routines, with roughly malloc calling conv. - * The atomic versions promise that no relevant pointers are contained - * in the object. The nonatomic versions guarantee that the new object - * is cleared. GC_malloc_stubborn promises that no changes to the object - * will occur after GC_end_stubborn_change has been called on the - * result of GC_malloc_stubborn. GC_malloc_uncollectable allocates an object - * that is scanned for pointers to collectable objects, but is not itself - * collectable. The object is scanned even if it does not appear to - * be reachable. GC_malloc_uncollectable and GC_free called on the resulting - * object implicitly update GC_non_gc_bytes appropriately. - * - * Note that the GC_malloc_stubborn support is stubbed out by default - * starting in 6.0. GC_malloc_stubborn is an alias for GC_malloc unless - * the collector is built with STUBBORN_ALLOC defined. - */ -GC_API void * GC_malloc(size_t size_in_bytes); -GC_API void * GC_malloc_atomic(size_t size_in_bytes); -GC_API char * GC_strdup (const char *str); -GC_API void * GC_malloc_uncollectable(size_t size_in_bytes); -GC_API void * GC_malloc_stubborn(size_t size_in_bytes); - -/* The following is only defined if the library has been suitably */ -/* compiled: */ -GC_API void * GC_malloc_atomic_uncollectable(size_t size_in_bytes); - -/* Explicitly deallocate an object. Dangerous if used incorrectly. */ -/* Requires a pointer to the base of an object. */ -/* If the argument is stubborn, it should not be changeable when freed. */ -/* An object should not be enable for finalization when it is */ -/* explicitly deallocated. */ -/* GC_free(0) is a no-op, as required by ANSI C for free. */ -GC_API void GC_free(void * object_addr); - -/* - * Stubborn objects may be changed only if the collector is explicitly informed. - * The collector is implicitly informed of coming change when such - * an object is first allocated. The following routines inform the - * collector that an object will no longer be changed, or that it will - * once again be changed. Only nonNIL pointer stores into the object - * are considered to be changes. The argument to GC_end_stubborn_change - * must be exacly the value returned by GC_malloc_stubborn or passed to - * GC_change_stubborn. (In the second case it may be an interior pointer - * within 512 bytes of the beginning of the objects.) - * There is a performance penalty for allowing more than - * one stubborn object to be changed at once, but it is acceptable to - * do so. The same applies to dropping stubborn objects that are still - * changeable. - */ -GC_API void GC_change_stubborn(void *); -GC_API void GC_end_stubborn_change(void *); - -/* Return a pointer to the base (lowest address) of an object given */ -/* a pointer to a location within the object. */ -/* I.e. map an interior pointer to the corresponding bas pointer. */ -/* Note that with debugging allocation, this returns a pointer to the */ -/* actual base of the object, i.e. the debug information, not to */ -/* the base of the user object. */ -/* Return 0 if displaced_pointer doesn't point to within a valid */ -/* object. */ -/* Note that a deallocated object in the garbage collected heap */ -/* may be considered valid, even if it has been deallocated with */ -/* GC_free. */ -GC_API void * GC_base(void * displaced_pointer); - -/* Given a pointer to the base of an object, return its size in bytes. */ -/* The returned size may be slightly larger than what was originally */ -/* requested. */ -GC_API size_t GC_size(void * object_addr); - -/* For compatibility with C library. This is occasionally faster than */ -/* a malloc followed by a bcopy. But if you rely on that, either here */ -/* or with the standard C library, your code is broken. In my */ -/* opinion, it shouldn't have been invented, but now we're stuck. -HB */ -/* The resulting object has the same kind as the original. */ -/* If the argument is stubborn, the result will have changes enabled. */ -/* It is an error to have changes enabled for the original object. */ -/* Follows ANSI comventions for NULL old_object. */ -GC_API void * GC_realloc(void * old_object, size_t new_size_in_bytes); - -/* Explicitly increase the heap size. */ -/* Returns 0 on failure, 1 on success. */ -GC_API int GC_expand_hp(size_t number_of_bytes); - -/* Limit the heap size to n bytes. Useful when you're debugging, */ -/* especially on systems that don't handle running out of memory well. */ -/* n == 0 ==> unbounded. This is the default. */ -GC_API void GC_set_max_heap_size(GC_word n); - -/* Inform the collector that a certain section of statically allocated */ -/* memory contains no pointers to garbage collected memory. Thus it */ -/* need not be scanned. This is sometimes important if the application */ -/* maps large read/write files into the address space, which could be */ -/* mistaken for dynamic library data segments on some systems. */ -GC_API void GC_exclude_static_roots(void * low_address, - void * high_address_plus_1); - -/* Clear the set of root segments. Wizards only. */ -GC_API void GC_clear_roots(void); - -/* Add a root segment. Wizards only. */ -GC_API void GC_add_roots(void * low_address, void * high_address_plus_1); - -/* Remove a root segment. Wizards only. */ -GC_API void GC_remove_roots(void * low_address, void * high_address_plus_1); - -/* Add a displacement to the set of those considered valid by the */ -/* collector. GC_register_displacement(n) means that if p was returned */ -/* by GC_malloc, then (char *)p + n will be considered to be a valid */ -/* pointer to p. N must be small and less than the size of p. */ -/* (All pointers to the interior of objects from the stack are */ -/* considered valid in any case. This applies to heap objects and */ -/* static data.) */ -/* Preferably, this should be called before any other GC procedures. */ -/* Calling it later adds to the probability of excess memory */ -/* retention. */ -/* This is a no-op if the collector has recognition of */ -/* arbitrary interior pointers enabled, which is now the default. */ -GC_API void GC_register_displacement(size_t n); - -/* The following version should be used if any debugging allocation is */ -/* being done. */ -GC_API void GC_debug_register_displacement(size_t n); - -/* Explicitly trigger a full, world-stop collection. */ -GC_API void GC_gcollect(void); - -/* Trigger a full world-stopped collection. Abort the collection if */ -/* and when stop_func returns a nonzero value. Stop_func will be */ -/* called frequently, and should be reasonably fast. This works even */ -/* if virtual dirty bits, and hence incremental collection is not */ -/* available for this architecture. Collections can be aborted faster */ -/* than normal pause times for incremental collection. However, */ -/* aborted collections do no useful work; the next collection needs */ -/* to start from the beginning. */ -/* Return 0 if the collection was aborted, 1 if it succeeded. */ -typedef int (* GC_stop_func)(void); -GC_API int GC_try_to_collect(GC_stop_func stop_func); - -/* Return the number of bytes in the heap. Excludes collector private */ -/* data structures. Includes empty blocks and fragmentation loss. */ -/* Includes some pages that were allocated but never written. */ -GC_API size_t GC_get_heap_size(void); - -/* Return a lower bound on the number of free bytes in the heap. */ -GC_API size_t GC_get_free_bytes(void); - -/* Return the number of bytes allocated since the last collection. */ -GC_API size_t GC_get_bytes_since_gc(void); - -/* Return the total number of bytes allocated in this process. */ -/* Never decreases, except due to wrapping. */ -GC_API size_t GC_get_total_bytes(void); - -/* Disable garbage collection. Even GC_gcollect calls will be */ -/* ineffective. */ -GC_API void GC_disable(void); - -/* Reenable garbage collection. GC_disable() and GC_enable() calls */ -/* nest. Garbage collection is enabled if the number of calls to both */ -/* both functions is equal. */ -GC_API void GC_enable(void); - -/* Enable incremental/generational collection. */ -/* Not advisable unless dirty bits are */ -/* available or most heap objects are */ -/* pointerfree(atomic) or immutable. */ -/* Don't use in leak finding mode. */ -/* Ignored if GC_dont_gc is true. */ -/* Only the generational piece of this is */ -/* functional if GC_parallel is TRUE */ -/* or if GC_time_limit is GC_TIME_UNLIMITED. */ -/* Causes GC_local_gcj_malloc() to revert to */ -/* locked allocation. Must be called */ -/* before any GC_local_gcj_malloc() calls. */ -/* For best performance, should be called as early as possible. */ -/* On some platforms, calling it later may have adverse effects.*/ -/* Safe to call before GC_INIT(). Includes a GC_init() call. */ -GC_API void GC_enable_incremental(void); - -/* Does incremental mode write-protect pages? Returns zero or */ -/* more of the following, or'ed together: */ -#define GC_PROTECTS_POINTER_HEAP 1 /* May protect non-atomic objs. */ -#define GC_PROTECTS_PTRFREE_HEAP 2 -#define GC_PROTECTS_STATIC_DATA 4 /* Currently never. */ -#define GC_PROTECTS_STACK 8 /* Probably impractical. */ - -#define GC_PROTECTS_NONE 0 -GC_API int GC_incremental_protection_needs(void); - -/* Perform some garbage collection work, if appropriate. */ -/* Return 0 if there is no more work to be done. */ -/* Typically performs an amount of work corresponding roughly */ -/* to marking from one page. May do more work if further */ -/* progress requires it, e.g. if incremental collection is */ -/* disabled. It is reasonable to call this in a wait loop */ -/* until it returns 0. */ -GC_API int GC_collect_a_little(void); - -/* Allocate an object of size lb bytes. The client guarantees that */ -/* as long as the object is live, it will be referenced by a pointer */ -/* that points to somewhere within the first 256 bytes of the object. */ -/* (This should normally be declared volatile to prevent the compiler */ -/* from invalidating this assertion.) This routine is only useful */ -/* if a large array is being allocated. It reduces the chance of */ -/* accidentally retaining such an array as a result of scanning an */ -/* integer that happens to be an address inside the array. (Actually, */ -/* it reduces the chance of the allocator not finding space for such */ -/* an array, since it will try hard to avoid introducing such a false */ -/* reference.) On a SunOS 4.X or MS Windows system this is recommended */ -/* for arrays likely to be larger than 100K or so. For other systems, */ -/* or if the collector is not configured to recognize all interior */ -/* pointers, the threshold is normally much higher. */ -GC_API void * GC_malloc_ignore_off_page(size_t lb); -GC_API void * GC_malloc_atomic_ignore_off_page(size_t lb); - -#if defined(__sgi) && !defined(__GNUC__) && _COMPILER_VERSION >= 720 -# define GC_ADD_CALLER -# define GC_RETURN_ADDR (GC_word)__return_address -#endif - -#if defined(__linux__) || defined(__GLIBC__) -# include -# if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1 || __GLIBC__ > 2) \ - && !defined(__ia64__) && !defined(__UCLIBC__) -# ifndef GC_HAVE_BUILTIN_BACKTRACE -# define GC_HAVE_BUILTIN_BACKTRACE -# endif -# endif -# if defined(__i386__) || defined(__x86_64__) -# define GC_CAN_SAVE_CALL_STACKS -# endif -#endif - -#if defined(_MSC_VER) && _MSC_VER >= 1200 /* version 12.0+ (MSVC 6.0+) */ \ - && !defined(_AMD64_) -# ifndef GC_HAVE_NO_BUILTIN_BACKTRACE -# define GC_HAVE_BUILTIN_BACKTRACE -# endif -#endif - -#if defined(GC_HAVE_BUILTIN_BACKTRACE) && !defined(GC_CAN_SAVE_CALL_STACKS) -# define GC_CAN_SAVE_CALL_STACKS -#endif - -#if defined(__sparc__) -# define GC_CAN_SAVE_CALL_STACKS -#endif - -/* If we're on an a platform on which we can't save call stacks, but */ -/* gcc is normally used, we go ahead and define GC_ADD_CALLER. */ -/* We make this decision independent of whether gcc is actually being */ -/* used, in order to keep the interface consistent, and allow mixing */ -/* of compilers. */ -/* This may also be desirable if it is possible but expensive to */ -/* retrieve the call chain. */ -#if (defined(__linux__) || defined(__NetBSD__) || defined(__OpenBSD__) \ - || defined(__FreeBSD__) || defined(__DragonFly__)) & !defined(GC_CAN_SAVE_CALL_STACKS) -# define GC_ADD_CALLER -# if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) - /* gcc knows how to retrieve return address, but we don't know */ - /* how to generate call stacks. */ -# define GC_RETURN_ADDR (GC_word)__builtin_return_address(0) -# else - /* Just pass 0 for gcc compatibility. */ -# define GC_RETURN_ADDR 0 -# endif -#endif - -#ifdef GC_ADD_CALLER -# define GC_EXTRAS GC_RETURN_ADDR, __FILE__, __LINE__ -# define GC_EXTRA_PARAMS GC_word ra, const char * s, int i -#else -# define GC_EXTRAS __FILE__, __LINE__ -# define GC_EXTRA_PARAMS const char * s, int i -#endif - -/* Debugging (annotated) allocation. GC_gcollect will check */ -/* objects allocated in this way for overwrites, etc. */ -GC_API void * GC_debug_malloc(size_t size_in_bytes, GC_EXTRA_PARAMS); -GC_API void * GC_debug_malloc_atomic(size_t size_in_bytes, GC_EXTRA_PARAMS); -GC_API char * GC_debug_strdup(const char *str, GC_EXTRA_PARAMS); -GC_API void * GC_debug_malloc_uncollectable - (size_t size_in_bytes, GC_EXTRA_PARAMS); -GC_API void * GC_debug_malloc_stubborn - (size_t size_in_bytes, GC_EXTRA_PARAMS); -GC_API void * GC_debug_malloc_ignore_off_page - (size_t size_in_bytes, GC_EXTRA_PARAMS); -GC_API void * GC_debug_malloc_atomic_ignore_off_page - (size_t size_in_bytes, GC_EXTRA_PARAMS); -GC_API void GC_debug_free (void * object_addr); -GC_API void * GC_debug_realloc - (void * old_object, size_t new_size_in_bytes, GC_EXTRA_PARAMS); -GC_API void GC_debug_change_stubborn(void *); -GC_API void GC_debug_end_stubborn_change(void *); - -/* Routines that allocate objects with debug information (like the */ -/* above), but just fill in dummy file and line number information. */ -/* Thus they can serve as drop-in malloc/realloc replacements. This */ -/* can be useful for two reasons: */ -/* 1) It allows the collector to be built with DBG_HDRS_ALL defined */ -/* even if some allocation calls come from 3rd party libraries */ -/* that can't be recompiled. */ -/* 2) On some platforms, the file and line information is redundant, */ -/* since it can be reconstructed from a stack trace. On such */ -/* platforms it may be more convenient not to recompile, e.g. for */ -/* leak detection. This can be accomplished by instructing the */ -/* linker to replace malloc/realloc with these. */ -GC_API void * GC_debug_malloc_replacement (size_t size_in_bytes); -GC_API void * GC_debug_realloc_replacement - (void * object_addr, size_t size_in_bytes); - -# ifdef GC_DEBUG -# define GC_MALLOC(sz) GC_debug_malloc(sz, GC_EXTRAS) -# define GC_MALLOC_ATOMIC(sz) GC_debug_malloc_atomic(sz, GC_EXTRAS) -# define GC_STRDUP(s) GC_debug_strdup((s), GC_EXTRAS) -# define GC_MALLOC_UNCOLLECTABLE(sz) \ - GC_debug_malloc_uncollectable(sz, GC_EXTRAS) -# define GC_MALLOC_IGNORE_OFF_PAGE(sz) \ - GC_debug_malloc_ignore_off_page(sz, GC_EXTRAS) -# define GC_MALLOC_ATOMIC_IGNORE_OFF_PAGE(sz) \ - GC_debug_malloc_atomic_ignore_off_page(sz, GC_EXTRAS) -# define GC_REALLOC(old, sz) GC_debug_realloc(old, sz, GC_EXTRAS) -# define GC_FREE(p) GC_debug_free(p) -# define GC_REGISTER_FINALIZER(p, f, d, of, od) \ - GC_debug_register_finalizer(p, f, d, of, od) -# define GC_REGISTER_FINALIZER_IGNORE_SELF(p, f, d, of, od) \ - GC_debug_register_finalizer_ignore_self(p, f, d, of, od) -# define GC_REGISTER_FINALIZER_NO_ORDER(p, f, d, of, od) \ - GC_debug_register_finalizer_no_order(p, f, d, of, od) -# define GC_REGISTER_FINALIZER_UNREACHABLE(p, f, d, of, od) \ - GC_debug_register_finalizer_unreachable(p, f, d, of, od) -# define GC_MALLOC_STUBBORN(sz) GC_debug_malloc_stubborn(sz, GC_EXTRAS); -# define GC_CHANGE_STUBBORN(p) GC_debug_change_stubborn(p) -# define GC_END_STUBBORN_CHANGE(p) GC_debug_end_stubborn_change(p) -# define GC_GENERAL_REGISTER_DISAPPEARING_LINK(link, obj) \ - GC_general_register_disappearing_link(link, GC_base(obj)) -# define GC_REGISTER_DISPLACEMENT(n) GC_debug_register_displacement(n) -# else -# define GC_MALLOC(sz) GC_malloc(sz) -# define GC_MALLOC_ATOMIC(sz) GC_malloc_atomic(sz) -# define GC_STRDUP(s) GC_strdup(s) -# define GC_MALLOC_UNCOLLECTABLE(sz) GC_malloc_uncollectable(sz) -# define GC_MALLOC_IGNORE_OFF_PAGE(sz) \ - GC_malloc_ignore_off_page(sz) -# define GC_MALLOC_ATOMIC_IGNORE_OFF_PAGE(sz) \ - GC_malloc_atomic_ignore_off_page(sz) -# define GC_REALLOC(old, sz) GC_realloc(old, sz) -# define GC_FREE(p) GC_free(p) -# define GC_REGISTER_FINALIZER(p, f, d, of, od) \ - GC_register_finalizer(p, f, d, of, od) -# define GC_REGISTER_FINALIZER_IGNORE_SELF(p, f, d, of, od) \ - GC_register_finalizer_ignore_self(p, f, d, of, od) -# define GC_REGISTER_FINALIZER_NO_ORDER(p, f, d, of, od) \ - GC_register_finalizer_no_order(p, f, d, of, od) -# define GC_REGISTER_FINALIZER_UNREACHABLE(p, f, d, of, od) \ - GC_register_finalizer_unreachable(p, f, d, of, od) -# define GC_MALLOC_STUBBORN(sz) GC_malloc_stubborn(sz) -# define GC_CHANGE_STUBBORN(p) GC_change_stubborn(p) -# define GC_END_STUBBORN_CHANGE(p) GC_end_stubborn_change(p) -# define GC_GENERAL_REGISTER_DISAPPEARING_LINK(link, obj) \ - GC_general_register_disappearing_link(link, obj) -# define GC_REGISTER_DISPLACEMENT(n) GC_register_displacement(n) -# endif -/* The following are included because they are often convenient, and */ -/* reduce the chance for a misspecifed size argument. But calls may */ -/* expand to something syntactically incorrect if t is a complicated */ -/* type expression. */ -# define GC_NEW(t) (t *)GC_MALLOC(sizeof (t)) -# define GC_NEW_ATOMIC(t) (t *)GC_MALLOC_ATOMIC(sizeof (t)) -# define GC_NEW_STUBBORN(t) (t *)GC_MALLOC_STUBBORN(sizeof (t)) -# define GC_NEW_UNCOLLECTABLE(t) (t *)GC_MALLOC_UNCOLLECTABLE(sizeof (t)) - -/* Finalization. Some of these primitives are grossly unsafe. */ -/* The idea is to make them both cheap, and sufficient to build */ -/* a safer layer, closer to Modula-3, Java, or PCedar finalization. */ -/* The interface represents my conclusions from a long discussion */ -/* with Alan Demers, Dan Greene, Carl Hauser, Barry Hayes, */ -/* Christian Jacobi, and Russ Atkinson. It's not perfect, and */ -/* probably nobody else agrees with it. Hans-J. Boehm 3/13/92 */ -typedef void (*GC_finalization_proc) (void * obj, void * client_data); - -GC_API void GC_register_finalizer(void * obj, GC_finalization_proc fn, - void * cd, GC_finalization_proc *ofn, - void * *ocd); -GC_API void GC_debug_register_finalizer - (void * obj, GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void * *ocd); - /* When obj is no longer accessible, invoke */ - /* (*fn)(obj, cd). If a and b are inaccessible, and */ - /* a points to b (after disappearing links have been */ - /* made to disappear), then only a will be */ - /* finalized. (If this does not create any new */ - /* pointers to b, then b will be finalized after the */ - /* next collection.) Any finalizable object that */ - /* is reachable from itself by following one or more */ - /* pointers will not be finalized (or collected). */ - /* Thus cycles involving finalizable objects should */ - /* be avoided, or broken by disappearing links. */ - /* All but the last finalizer registered for an object */ - /* is ignored. */ - /* Finalization may be removed by passing 0 as fn. */ - /* Finalizers are implicitly unregistered just before */ - /* they are invoked. */ - /* The old finalizer and client data are stored in */ - /* *ofn and *ocd. */ - /* Fn is never invoked on an accessible object, */ - /* provided hidden pointers are converted to real */ - /* pointers only if the allocation lock is held, and */ - /* such conversions are not performed by finalization */ - /* routines. */ - /* If GC_register_finalizer is aborted as a result of */ - /* a signal, the object may be left with no */ - /* finalization, even if neither the old nor new */ - /* finalizer were NULL. */ - /* Obj should be the nonNULL starting address of an */ - /* object allocated by GC_malloc or friends. */ - /* Note that any garbage collectable object referenced */ - /* by cd will be considered accessible until the */ - /* finalizer is invoked. */ - -/* Another versions of the above follow. It ignores */ -/* self-cycles, i.e. pointers from a finalizable object to */ -/* itself. There is a stylistic argument that this is wrong, */ -/* but it's unavoidable for C++, since the compiler may */ -/* silently introduce these. It's also benign in that specific */ -/* case. And it helps if finalizable objects are split to */ -/* avoid cycles. */ -/* Note that cd will still be viewed as accessible, even if it */ -/* refers to the object itself. */ -GC_API void GC_register_finalizer_ignore_self - (void * obj, GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void * *ocd); -GC_API void GC_debug_register_finalizer_ignore_self - (void * obj, GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void * *ocd); - -/* Another version of the above. It ignores all cycles. */ -/* It should probably only be used by Java implementations. */ -/* Note that cd will still be viewed as accessible, even if it */ -/* refers to the object itself. */ -GC_API void GC_register_finalizer_no_order - (void * obj, GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void * *ocd); -GC_API void GC_debug_register_finalizer_no_order - (void * obj, GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void * *ocd); - -/* This is a special finalizer that is useful when an object's */ -/* finalizer must be run when the object is known to be no */ -/* longer reachable, not even from other finalizable objects. */ -/* It behaves like "normal" finalization, except that the */ -/* finalizer is not run while the object is reachable from */ -/* other objects specifying unordered finalization. */ -/* Effectively it allows an object referenced, possibly */ -/* indirectly, from an unordered finalizable object to override */ -/* the unordered finalization request. */ -/* This can be used in combination with finalizer_no_order so */ -/* as to release resources that must not be released while an */ -/* object can still be brought back to life by other */ -/* finalizers. */ -/* Only works if GC_java_finalization is set. Probably only */ -/* of interest when implementing a language that requires */ -/* unordered finalization (e.g. Java, C#). */ -GC_API void GC_register_finalizer_unreachable - (void * obj, GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void * *ocd); -GC_API void GC_debug_register_finalizer_unreachable - (void * obj, GC_finalization_proc fn, void * cd, - GC_finalization_proc *ofn, void * *ocd); - -/* The following routine may be used to break cycles between */ -/* finalizable objects, thus causing cyclic finalizable */ -/* objects to be finalized in the correct order. Standard */ -/* use involves calling GC_register_disappearing_link(&p), */ -/* where p is a pointer that is not followed by finalization */ -/* code, and should not be considered in determining */ -/* finalization order. */ -GC_API int GC_register_disappearing_link(void * * link ); - /* Link should point to a field of a heap allocated */ - /* object obj. *link will be cleared when obj is */ - /* found to be inaccessible. This happens BEFORE any */ - /* finalization code is invoked, and BEFORE any */ - /* decisions about finalization order are made. */ - /* This is useful in telling the finalizer that */ - /* some pointers are not essential for proper */ - /* finalization. This may avoid finalization cycles. */ - /* Note that obj may be resurrected by another */ - /* finalizer, and thus the clearing of *link may */ - /* be visible to non-finalization code. */ - /* There's an argument that an arbitrary action should */ - /* be allowed here, instead of just clearing a pointer. */ - /* But this causes problems if that action alters, or */ - /* examines connectivity. */ - /* Returns 1 if link was already registered, 0 if */ - /* registration succeeded, 2 if it failed for lack of */ - /* memory, and GC_oom_fn did not handle the problem. */ - /* Only exists for backward compatibility. See below: */ - -GC_API int GC_general_register_disappearing_link (void * * link, void * obj); - /* A slight generalization of the above. *link is */ - /* cleared when obj first becomes inaccessible. This */ - /* can be used to implement weak pointers easily and */ - /* safely. Typically link will point to a location */ - /* holding a disguised pointer to obj. (A pointer */ - /* inside an "atomic" object is effectively */ - /* disguised.) In this way soft */ - /* pointers are broken before any object */ - /* reachable from them are finalized. Each link */ - /* May be registered only once, i.e. with one obj */ - /* value. This was added after a long email discussion */ - /* with John Ellis. */ - /* Obj must be a pointer to the first word of an object */ - /* we allocated. It is unsafe to explicitly deallocate */ - /* the object containing link. Explicitly deallocating */ - /* obj may or may not cause link to eventually be */ - /* cleared. */ - /* This can be used to implement certain types of */ - /* weak pointers. Note however that this generally */ - /* requires that thje allocation lock is held (see */ - /* GC_call_with_allock_lock() below) when the disguised */ - /* pointer is accessed. Otherwise a strong pointer */ - /* could be recreated between the time the collector */ - /* decides to reclaim the object and the link is */ - /* cleared. */ - -GC_API int GC_unregister_disappearing_link (void * * link); - /* Returns 0 if link was not actually registered. */ - /* Undoes a registration by either of the above two */ - /* routines. */ - -/* Returns !=0 if GC_invoke_finalizers has something to do. */ -GC_API int GC_should_invoke_finalizers(void); - -GC_API int GC_invoke_finalizers(void); - /* Run finalizers for all objects that are ready to */ - /* be finalized. Return the number of finalizers */ - /* that were run. Normally this is also called */ - /* implicitly during some allocations. If */ - /* GC-finalize_on_demand is nonzero, it must be called */ - /* explicitly. */ - -/* Explicitly tell the collector that an object is reachable */ -/* at a particular program point. This prevents the argument */ -/* pointer from being optimized away, even it is otherwise no */ -/* longer needed. It should have no visible effect in the */ -/* absence of finalizers or disappearing links. But it may be */ -/* needed to prevent finalizers from running while the */ -/* associated external resource is still in use. */ -/* The function is sometimes called keep_alive in other */ -/* settings. */ -# if defined(__GNUC__) && !defined(__INTEL_COMPILER) -# define GC_reachable_here(ptr) \ - __asm__ volatile(" " : : "X"(ptr) : "memory"); -# else - GC_API void GC_noop1(GC_word x); -# define GC_reachable_here(ptr) GC_noop1((GC_word)(ptr)); -#endif - -/* GC_set_warn_proc can be used to redirect or filter warning messages. */ -/* p may not be a NULL pointer. */ -typedef void (*GC_warn_proc) (char *msg, GC_word arg); -GC_API GC_warn_proc GC_set_warn_proc(GC_warn_proc p); - /* Returns old warning procedure. */ - -GC_API GC_word GC_set_free_space_divisor(GC_word value); - /* Set free_space_divisor. See above for definition. */ - /* Returns old value. */ - -/* The following is intended to be used by a higher level */ -/* (e.g. Java-like) finalization facility. It is expected */ -/* that finalization code will arrange for hidden pointers to */ -/* disappear. Otherwise objects can be accessed after they */ -/* have been collected. */ -/* Note that putting pointers in atomic objects or in */ -/* nonpointer slots of "typed" objects is equivalent to */ -/* disguising them in this way, and may have other advantages. */ -# if defined(I_HIDE_POINTERS) || defined(GC_I_HIDE_POINTERS) - typedef GC_word GC_hidden_pointer; -# define HIDE_POINTER(p) (~(GC_hidden_pointer)(p)) -# define REVEAL_POINTER(p) ((void *)(HIDE_POINTER(p))) - /* Converting a hidden pointer to a real pointer requires verifying */ - /* that the object still exists. This involves acquiring the */ - /* allocator lock to avoid a race with the collector. */ -# endif /* I_HIDE_POINTERS */ - -typedef void * (*GC_fn_type) (void * client_data); -GC_API void * GC_call_with_alloc_lock (GC_fn_type fn, void * client_data); - -/* These routines are intended to explicitly notify the collector */ -/* of new threads. Often this is unnecessary because thread creation */ -/* is implicitly intercepted by the collector, using header-file */ -/* defines, or linker-based interception. In the long run the intent */ -/* is to always make redundant registration safe. In the short run, */ -/* this is being implemented a platform at a time. */ -/* The interface is complicated by the fact that we probably will not */ -/* ever be able to automatically determine the stack base for thread */ -/* stacks on all platforms. */ - -/* Structure representing the base of a thread stack. On most */ -/* platforms this contains just a single address. */ -struct GC_stack_base { - void * mem_base; /* Base of memory stack. */ -# if defined(__ia64) || defined(__ia64__) - void * reg_base; /* Base of separate register stack. */ -# endif -}; - -typedef void * (*GC_stack_base_func)(struct GC_stack_base *sb, void *arg); - -/* Call a function with a stack base structure corresponding to */ -/* somewhere in the GC_call_with_stack_base frame. This often can */ -/* be used to provide a sufficiently accurate stack base. And we */ -/* implement it everywhere. */ -GC_API void * GC_call_with_stack_base(GC_stack_base_func fn, void *arg); - -/* Register the current thread, with the indicated stack base, as */ -/* a new thread whose stack(s) should be traced by the GC. If a */ -/* platform does not implicitly do so, this must be called before a */ -/* thread can allocate garbage collected memory, or assign pointers */ -/* to the garbage collected heap. Once registered, a thread will be */ -/* stopped during garbage collections. */ -/* Return codes: */ -#define GC_SUCCESS 0 -#define GC_DUPLICATE 1 /* Was already registered. */ -#define GC_NO_THREADS 2 /* No thread support in GC. */ -#define GC_UNIMPLEMENTED 3 /* Not yet implemented on this platform. */ -GC_API int GC_register_my_thread(struct GC_stack_base *); - -/* Unregister the current thread. The thread may no longer allocate */ -/* garbage collected memory or manipulate pointers to the */ -/* garbage collected heap after making this call. */ -/* Specifically, if it wants to return or otherwise communicate a */ -/* pointer to the garbage-collected heap to another thread, it must */ -/* do this before calling GC_unregister_my_thread, most probably */ -/* by saving it in a global data structure. */ -GC_API int GC_unregister_my_thread(void); - -/* Attempt to fill in the GC_stack_base structure with the stack base */ -/* for this thread. This appears to be required to implement anything */ -/* like the JNI AttachCurrentThread in an environment in which new */ -/* threads are not automatically registered with the collector. */ -/* It is also unfortunately hard to implement well on many platforms. */ -/* Returns GC_SUCCESS or GC_UNIMPLEMENTED. */ -GC_API int GC_get_stack_base(struct GC_stack_base *); - -/* The following routines are primarily intended for use with a */ -/* preprocessor which inserts calls to check C pointer arithmetic. */ -/* They indicate failure by invoking the corresponding _print_proc. */ - -/* Check that p and q point to the same object. */ -/* Fail conspicuously if they don't. */ -/* Returns the first argument. */ -/* Succeeds if neither p nor q points to the heap. */ -/* May succeed if both p and q point to between heap objects. */ -GC_API void * GC_same_obj (void * p, void * q); - -/* Checked pointer pre- and post- increment operations. Note that */ -/* the second argument is in units of bytes, not multiples of the */ -/* object size. This should either be invoked from a macro, or the */ -/* call should be automatically generated. */ -GC_API void * GC_pre_incr (void * *p, size_t how_much); -GC_API void * GC_post_incr (void * *p, size_t how_much); - -/* Check that p is visible */ -/* to the collector as a possibly pointer containing location. */ -/* If it isn't fail conspicuously. */ -/* Returns the argument in all cases. May erroneously succeed */ -/* in hard cases. (This is intended for debugging use with */ -/* untyped allocations. The idea is that it should be possible, though */ -/* slow, to add such a call to all indirect pointer stores.) */ -/* Currently useless for multithreaded worlds. */ -GC_API void * GC_is_visible (void * p); - -/* Check that if p is a pointer to a heap page, then it points to */ -/* a valid displacement within a heap object. */ -/* Fail conspicuously if this property does not hold. */ -/* Uninteresting with GC_all_interior_pointers. */ -/* Always returns its argument. */ -GC_API void * GC_is_valid_displacement (void * p); - -/* Explicitly dump the GC state. This is most often called from the */ -/* debugger, or by setting the GC_DUMP_REGULARLY environment variable, */ -/* but it may be useful to call it from client code during debugging. */ -void GC_dump(void); - -/* Safer, but slow, pointer addition. Probably useful mainly with */ -/* a preprocessor. Useful only for heap pointers. */ -#ifdef GC_DEBUG -# define GC_PTR_ADD3(x, n, type_of_result) \ - ((type_of_result)GC_same_obj((x)+(n), (x))) -# define GC_PRE_INCR3(x, n, type_of_result) \ - ((type_of_result)GC_pre_incr(&(x), (n)*sizeof(*x)) -# define GC_POST_INCR2(x, type_of_result) \ - ((type_of_result)GC_post_incr(&(x), sizeof(*x)) -# ifdef __GNUC__ -# define GC_PTR_ADD(x, n) \ - GC_PTR_ADD3(x, n, typeof(x)) -# define GC_PRE_INCR(x, n) \ - GC_PRE_INCR3(x, n, typeof(x)) -# define GC_POST_INCR(x, n) \ - GC_POST_INCR3(x, typeof(x)) -# else - /* We can't do this right without typeof, which ANSI */ - /* decided was not sufficiently useful. Repeatedly */ - /* mentioning the arguments seems too dangerous to be */ - /* useful. So does not casting the result. */ -# define GC_PTR_ADD(x, n) ((x)+(n)) -# endif -#else /* !GC_DEBUG */ -# define GC_PTR_ADD3(x, n, type_of_result) ((x)+(n)) -# define GC_PTR_ADD(x, n) ((x)+(n)) -# define GC_PRE_INCR3(x, n, type_of_result) ((x) += (n)) -# define GC_PRE_INCR(x, n) ((x) += (n)) -# define GC_POST_INCR2(x, n, type_of_result) ((x)++) -# define GC_POST_INCR(x, n) ((x)++) -#endif - -/* Safer assignment of a pointer to a nonstack location. */ -#ifdef GC_DEBUG -# define GC_PTR_STORE(p, q) \ - (*(void **)GC_is_visible(p) = GC_is_valid_displacement(q)) -#else /* !GC_DEBUG */ -# define GC_PTR_STORE(p, q) (*(p) = (q)) -#endif - -/* Functions called to report pointer checking errors */ -GC_API void (*GC_same_obj_print_proc) (void * p, void * q); - -GC_API void (*GC_is_valid_displacement_print_proc) (void * p); - -GC_API void (*GC_is_visible_print_proc) (void * p); - - -/* For pthread support, we generally need to intercept a number of */ -/* thread library calls. We do that here by macro defining them. */ - -#if !defined(GC_USE_LD_WRAP) && !defined(GC_NO_THREAD_REDIRECTS) \ - && defined(GC_PTHREADS) -# include "gc_pthread_redirects.h" -#endif - -# if defined(PCR) || defined(GC_SOLARIS_THREADS) || \ - defined(GC_PTHREADS) || defined(GC_WIN32_THREADS) - /* Any flavor of threads. */ -/* This returns a list of objects, linked through their first */ -/* word. Its use can greatly reduce lock contention problems, since */ -/* the allocation lock can be acquired and released many fewer times. */ -/* It is used internally by gc_local_alloc.h, which provides a simpler */ -/* programming interface on Linux. */ -void * GC_malloc_many(size_t lb); -#define GC_NEXT(p) (*(void * *)(p)) /* Retrieve the next element */ - /* in returned list. */ - -#endif /* THREADS */ - -/* Register a callback to control the scanning of dynamic libraries. - When the GC scans the static data of a dynamic library, it will - first call a user-supplied routine with filename of the library and - the address and length of the memory region. This routine should - return nonzero if that region should be scanned. */ -GC_API void -GC_register_has_static_roots_callback - (int (*callback)(const char *, void *, size_t)); - - -#if defined(GC_WIN32_THREADS) && !defined(__CYGWIN32__) \ - && !defined(__CYGWIN__) \ - && !defined(GC_PTHREADS) - -#ifdef __cplusplus - } /* Including windows.h in an extern "C" context no longer works. */ -#endif - -#ifndef GC_NO_THREAD_DECLS -# include - -#ifdef __cplusplus - extern "C" { -#endif - /* - * All threads must be created using GC_CreateThread or GC_beginthreadex, - * or must explicitly call GC_register_my_thread, - * so that they will be recorded in the thread table. - * For backwards compatibility, it is possible to build the GC - * with GC_DLL defined, and to call GC_use_DllMain(). - * This implicitly registers all created threads, but appears to be - * less robust. - * - * Currently the collector expects all threads to fall through and - * terminate normally, or call GC_endthreadex() or GC_ExitThread, - * so that the thread is properly unregistered. (An explicit call - * to GC_unregister_my_thread() should also work, but risks unregistering - * the thread twice.) - */ - GC_API HANDLE WINAPI GC_CreateThread( - LPSECURITY_ATTRIBUTES lpThreadAttributes, - DWORD dwStackSize, LPTHREAD_START_ROUTINE lpStartAddress, - LPVOID lpParameter, DWORD dwCreationFlags, LPDWORD lpThreadId ); - -# if defined(_MSC_VER) && _MSC_VER >= 1200 && !defined(_UINTPTR_T_DEFINED) - typedef unsigned long uintptr_t; -# endif - - GC_API uintptr_t GC_beginthreadex( - void *security, unsigned stack_size, - unsigned ( __stdcall *start_address )( void * ), - void *arglist, unsigned initflag, unsigned *thrdaddr); - - GC_API void GC_endthreadex(unsigned retval); - - GC_API void WINAPI GC_ExitThread(DWORD dwExitCode); - -# if defined(_WIN32_WCE) - /* - * win32_threads.c implements the real WinMain, which will start a new thread - * to call GC_WinMain after initializing the garbage collector. - */ - GC_API int WINAPI GC_WinMain( - HINSTANCE hInstance, - HINSTANCE hPrevInstance, - LPWSTR lpCmdLine, - int nCmdShow ); -# ifndef GC_BUILD -# define WinMain GC_WinMain -# endif -# endif /* defined(_WIN32_WCE) */ -#endif /* !GC_NO_THREAD_DECLS */ - - /* - * Use implicit thread registration via DllMain. - * Must be called before GC_INIT and other GC routines. - * Should be avoided if GC_beginthreadex and friends can be called - * instead. - */ -GC_API void GC_use_DllMain(void); - -# ifndef GC_NO_THREAD_REDIRECTS -# define CreateThread GC_CreateThread -# define ExitThread GC_ExitThread -# define _beginthreadex GC_beginthreadex -# define _endthreadex GC_endthreadex -# define _beginthread { > "Please use _beginthreadex instead of _beginthread" < } -# endif /* !GC_NO_THREAD_REDIRECTS */ - -#endif /* defined(GC_WIN32_THREADS) && !cygwin */ - - /* - * Fully portable code should call GC_INIT() from the main program - * before making any other GC_ calls. On most platforms this is a - * no-op and the collector self-initializes. But a number of platforms - * make that too hard. - * A GC_INIT call is required if the collector is built with THREAD_LOCAL_ALLOC - * defined and the initial allocation call is not to GC_malloc() or - * GC_malloc_atomic(). - */ -#if defined(__CYGWIN32__) || defined (_AIX) - /* - * Similarly gnu-win32 DLLs need explicit initialization from - * the main program, as does AIX. - */ -# ifdef __CYGWIN32__ - extern int _data_start__[]; - extern int _data_end__[]; - extern int _bss_start__[]; - extern int _bss_end__[]; -# define GC_MAX(x,y) ((x) > (y) ? (x) : (y)) -# define GC_MIN(x,y) ((x) < (y) ? (x) : (y)) -# define GC_DATASTART ((void *) GC_MIN(_data_start__, _bss_start__)) -# define GC_DATAEND ((void *) GC_MAX(_data_end__, _bss_end__)) -# define GC_INIT() { GC_add_roots(GC_DATASTART, GC_DATAEND); \ - GC_gcollect(); /* For blacklisting. */} - /* Required at least if GC is in dll. And doesn't hurt. */ -# endif -# if defined(_AIX) - extern int _data[], _end[]; -# define GC_DATASTART ((void *)((ulong)_data)) -# define GC_DATAEND ((void *)((ulong)_end)) -# define GC_INIT() { GC_add_roots(GC_DATASTART, GC_DATAEND); } -# endif -#else -# define GC_INIT() { GC_init(); } -#endif - -#if !defined(_WIN32_WCE) \ - && ((defined(_MSDOS) || defined(_MSC_VER)) && (_M_IX86 >= 300) \ - || defined(_WIN32) && !defined(__CYGWIN32__) && !defined(__CYGWIN__)) - /* win32S may not free all resources on process exit. */ - /* This explicitly deallocates the heap. */ - GC_API void GC_win32_free_heap (); -#endif - -#if ( defined(_AMIGA) && !defined(GC_AMIGA_MAKINGLIB) ) - /* Allocation really goes through GC_amiga_allocwrapper_do */ -# include "gc_amiga_redirects.h" -#endif - -#if defined(GC_REDIRECT_TO_LOCAL) - /* Now redundant; that's the default with THREAD_LOCAL_ALLOC */ -#endif - -#ifdef __cplusplus - } /* end of extern "C" */ -#endif - -#endif /* _GC_H */ diff --git a/vendor/gc/include/gc_allocator.h b/vendor/gc/include/gc_allocator.h deleted file mode 100644 index 4f3117b..0000000 --- a/vendor/gc/include/gc_allocator.h +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Copyright (c) 1996-1997 - * Silicon Graphics Computer Systems, Inc. - * - * Permission to use, copy, modify, distribute and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies and - * that both that copyright notice and this permission notice appear - * in supporting documentation. Silicon Graphics makes no - * representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied warranty. - * - * Copyright (c) 2002 - * Hewlett-Packard Company - * - * Permission to use, copy, modify, distribute and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies and - * that both that copyright notice and this permission notice appear - * in supporting documentation. Hewlett-Packard Company makes no - * representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied warranty. - */ - -/* - * This implements standard-conforming allocators that interact with - * the garbage collector. Gc_alloctor allocates garbage-collectable - * objects of type T. Traceable_allocator allocates objects that - * are not temselves garbage collected, but are scanned by the - * collector for pointers to collectable objects. Traceable_alloc - * should be used for explicitly managed STL containers that may - * point to collectable objects. - * - * This code was derived from an earlier version of the GNU C++ standard - * library, which itself was derived from the SGI STL implementation. - */ - -#ifndef GC_ALLOCATOR_H - -#define GC_ALLOCATOR_H - -#include "gc.h" -#include // for placement new - -#if defined(__GNUC__) -# define GC_ATTR_UNUSED __attribute__((unused)) -#else -# define GC_ATTR_UNUSED -#endif - -/* First some helpers to allow us to dispatch on whether or not a type - * is known to be pointerfree. - * These are private, except that the client may invoke the - * GC_DECLARE_PTRFREE macro. - */ - -struct GC_true_type {}; -struct GC_false_type {}; - -template -struct GC_type_traits { - GC_false_type GC_is_ptr_free; -}; - -# define GC_DECLARE_PTRFREE(T) \ -template<> struct GC_type_traits { GC_true_type GC_is_ptr_free; } - -GC_DECLARE_PTRFREE(char); -GC_DECLARE_PTRFREE(signed char); -GC_DECLARE_PTRFREE(unsigned char); -GC_DECLARE_PTRFREE(signed short); -GC_DECLARE_PTRFREE(unsigned short); -GC_DECLARE_PTRFREE(signed int); -GC_DECLARE_PTRFREE(unsigned int); -GC_DECLARE_PTRFREE(signed long); -GC_DECLARE_PTRFREE(unsigned long); -GC_DECLARE_PTRFREE(float); -GC_DECLARE_PTRFREE(double); -GC_DECLARE_PTRFREE(long double); -/* The client may want to add others. */ - -// In the following GC_Tp is GC_true_type iff we are allocating a -// pointerfree object. -template -inline void * GC_selective_alloc(size_t n, GC_Tp) { - return GC_MALLOC(n); -} - -template <> -inline void * GC_selective_alloc(size_t n, GC_true_type) { - return GC_MALLOC_ATOMIC(n); -} - -/* Now the public gc_allocator class: - */ -template -class gc_allocator { -public: - typedef size_t size_type; - typedef ptrdiff_t difference_type; - typedef GC_Tp* pointer; - typedef const GC_Tp* const_pointer; - typedef GC_Tp& reference; - typedef const GC_Tp& const_reference; - typedef GC_Tp value_type; - - template struct rebind { - typedef gc_allocator other; - }; - - gc_allocator() {} - gc_allocator(const gc_allocator&) throw() {} -# if !(GC_NO_MEMBER_TEMPLATES || 0 < _MSC_VER && _MSC_VER <= 1200) - // MSVC++ 6.0 do not support member templates - template gc_allocator(const gc_allocator&) throw() {} -# endif - ~gc_allocator() throw() {} - - pointer address(reference GC_x) const { return &GC_x; } - const_pointer address(const_reference GC_x) const { return &GC_x; } - - // GC_n is permitted to be 0. The C++ standard says nothing about what - // the return value is when GC_n == 0. - GC_Tp* allocate(size_type GC_n, const void* = 0) { - GC_type_traits traits; - return static_cast - (GC_selective_alloc(GC_n * sizeof(GC_Tp), - traits.GC_is_ptr_free)); - } - - // __p is not permitted to be a null pointer. - void deallocate(pointer __p, size_type GC_ATTR_UNUSED GC_n) - { GC_FREE(__p); } - - size_type max_size() const throw() - { return size_t(-1) / sizeof(GC_Tp); } - - void construct(pointer __p, const GC_Tp& __val) { new(__p) GC_Tp(__val); } - void destroy(pointer __p) { __p->~GC_Tp(); } -}; - -template<> -class gc_allocator { - typedef size_t size_type; - typedef ptrdiff_t difference_type; - typedef void* pointer; - typedef const void* const_pointer; - typedef void value_type; - - template struct rebind { - typedef gc_allocator other; - }; -}; - - -template -inline bool operator==(const gc_allocator&, const gc_allocator&) -{ - return true; -} - -template -inline bool operator!=(const gc_allocator&, const gc_allocator&) -{ - return false; -} - -/* - * And the public traceable_allocator class. - */ - -// Note that we currently don't specialize the pointer-free case, since a -// pointer-free traceable container doesn't make that much sense, -// though it could become an issue due to abstraction boundaries. -template -class traceable_allocator { -public: - typedef size_t size_type; - typedef ptrdiff_t difference_type; - typedef GC_Tp* pointer; - typedef const GC_Tp* const_pointer; - typedef GC_Tp& reference; - typedef const GC_Tp& const_reference; - typedef GC_Tp value_type; - - template struct rebind { - typedef traceable_allocator other; - }; - - traceable_allocator() throw() {} - traceable_allocator(const traceable_allocator&) throw() {} -# if !(GC_NO_MEMBER_TEMPLATES || 0 < _MSC_VER && _MSC_VER <= 1200) - // MSVC++ 6.0 do not support member templates - template traceable_allocator - (const traceable_allocator&) throw() {} -# endif - ~traceable_allocator() throw() {} - - pointer address(reference GC_x) const { return &GC_x; } - const_pointer address(const_reference GC_x) const { return &GC_x; } - - // GC_n is permitted to be 0. The C++ standard says nothing about what - // the return value is when GC_n == 0. - GC_Tp* allocate(size_type GC_n, const void* = 0) { - return static_cast(GC_MALLOC_UNCOLLECTABLE(GC_n * sizeof(GC_Tp))); - } - - // __p is not permitted to be a null pointer. - void deallocate(pointer __p, size_type GC_ATTR_UNUSED GC_n) - { GC_FREE(__p); } - - size_type max_size() const throw() - { return size_t(-1) / sizeof(GC_Tp); } - - void construct(pointer __p, const GC_Tp& __val) { new(__p) GC_Tp(__val); } - void destroy(pointer __p) { __p->~GC_Tp(); } -}; - -template<> -class traceable_allocator { - typedef size_t size_type; - typedef ptrdiff_t difference_type; - typedef void* pointer; - typedef const void* const_pointer; - typedef void value_type; - - template struct rebind { - typedef traceable_allocator other; - }; -}; - - -template -inline bool operator==(const traceable_allocator&, const traceable_allocator&) -{ - return true; -} - -template -inline bool operator!=(const traceable_allocator&, const traceable_allocator&) -{ - return false; -} - -#endif /* GC_ALLOCATOR_H */ diff --git a/vendor/gc/include/gc_amiga_redirects.h b/vendor/gc/include/gc_amiga_redirects.h deleted file mode 100644 index 9e975c8..0000000 --- a/vendor/gc/include/gc_amiga_redirects.h +++ /dev/null @@ -1,30 +0,0 @@ -#ifndef GC_AMIGA_REDIRECTS_H - -# define GC_AMIGA_REDIRECTS_H - -# if ( defined(_AMIGA) && !defined(GC_AMIGA_MAKINGLIB) ) - extern void *GC_amiga_realloc(void *old_object,size_t new_size_in_bytes); -# define GC_realloc(a,b) GC_amiga_realloc(a,b) - extern void GC_amiga_set_toany(void (*func)(void)); - extern int GC_amiga_free_space_divisor_inc; - extern void *(*GC_amiga_allocwrapper_do) \ - (size_t size,void *(*AllocFunction)(size_t size2)); -# define GC_malloc(a) \ - (*GC_amiga_allocwrapper_do)(a,GC_malloc) -# define GC_malloc_atomic(a) \ - (*GC_amiga_allocwrapper_do)(a,GC_malloc_atomic) -# define GC_malloc_uncollectable(a) \ - (*GC_amiga_allocwrapper_do)(a,GC_malloc_uncollectable) -# define GC_malloc_stubborn(a) \ - (*GC_amiga_allocwrapper_do)(a,GC_malloc_stubborn) -# define GC_malloc_atomic_uncollectable(a) \ - (*GC_amiga_allocwrapper_do)(a,GC_malloc_atomic_uncollectable) -# define GC_malloc_ignore_off_page(a) \ - (*GC_amiga_allocwrapper_do)(a,GC_malloc_ignore_off_page) -# define GC_malloc_atomic_ignore_off_page(a) \ - (*GC_amiga_allocwrapper_do)(a,GC_malloc_atomic_ignore_off_page) -# endif /* _AMIGA && !GC_AMIGA_MAKINGLIB */ - -#endif /* GC_AMIGA_REDIRECTS_H */ - - diff --git a/vendor/gc/include/gc_backptr.h b/vendor/gc/include/gc_backptr.h deleted file mode 100644 index 5899496..0000000 --- a/vendor/gc/include/gc_backptr.h +++ /dev/null @@ -1,65 +0,0 @@ -/* - * This is a simple API to implement pointer back tracing, i.e. - * to answer questions such as "who is pointing to this" or - * "why is this object being retained by the collector" - * - * This API assumes that we have an ANSI C compiler. - * - * Most of these calls yield useful information on only after - * a garbage collection. Usually the client will first force - * a full collection and then gather information, preferably - * before much intervening allocation. - * - * The implementation of the interface is only about 99.9999% - * correct. It is intended to be good enough for profiling, - * but is not intended to be used with production code. - * - * Results are likely to be much more useful if all allocation is - * accomplished through the debugging allocators. - * - * The implementation idea is due to A. Demers. - */ - -#ifndef GC_BACKPTR_H -#define GC_BACKPTR_H -/* Store information about the object referencing dest in *base_p */ -/* and *offset_p. */ -/* If multiple objects or roots point to dest, the one reported */ -/* will be the last on used by the garbage collector to trace the */ -/* object. */ -/* source is root ==> *base_p = address, *offset_p = 0 */ -/* source is heap object ==> *base_p != 0, *offset_p = offset */ -/* Returns 1 on success, 0 if source couldn't be determined. */ -/* Dest can be any address within a heap object. */ -typedef enum { GC_UNREFERENCED, /* No reference info available. */ - GC_NO_SPACE, /* Dest not allocated with debug alloc */ - GC_REFD_FROM_ROOT, /* Referenced directly by root *base_p */ - GC_REFD_FROM_REG, /* Referenced from a register, i.e. */ - /* a root without an address. */ - GC_REFD_FROM_HEAP, /* Referenced from another heap obj. */ - GC_FINALIZER_REFD /* Finalizable and hence accessible. */ -} GC_ref_kind; - -GC_ref_kind GC_get_back_ptr_info(void *dest, void **base_p, size_t *offset_p); - -/* Generate a random heap address. */ -/* The resulting address is in the heap, but */ -/* not necessarily inside a valid object. */ -void * GC_generate_random_heap_address(void); - -/* Generate a random address inside a valid marked heap object. */ -void * GC_generate_random_valid_address(void); - -/* Force a garbage collection and generate a backtrace from a */ -/* random heap address. */ -/* This uses the GC logging mechanism (GC_printf) to produce */ -/* output. It can often be called from a debugger. The */ -/* source in dbg_mlc.c also serves as a sample client. */ -void GC_generate_random_backtrace(void); - -/* Print a backtrace from a specific address. Used by the */ -/* above. The client should call GC_gcollect() immediately */ -/* before invocation. */ -void GC_print_backtrace(void *); - -#endif /* GC_BACKPTR_H */ diff --git a/vendor/gc/include/gc_config_macros.h b/vendor/gc/include/gc_config_macros.h deleted file mode 100644 index 66abf0b..0000000 --- a/vendor/gc/include/gc_config_macros.h +++ /dev/null @@ -1,179 +0,0 @@ -/* - * This should never be included directly. It is included only from gc.h. - * We separate it only to make gc.h more suitable as documentation. - * - * Some tests for old macros. These violate our namespace rules and will - * disappear shortly. Use the GC_ names. - */ -#if defined(SOLARIS_THREADS) || defined(_SOLARIS_THREADS) \ - || defined(_SOLARIS_PTHREADS) || defined(GC_SOLARIS_PTHREADS) - /* We no longer support old style Solaris threads. */ - /* GC_SOLARIS_THREADS now means pthreads. */ -# ifndef GC_SOLARIS_THREADS -# define GC_SOLARIS_THREADS -# endif -#endif -#if defined(IRIX_THREADS) -# define GC_IRIX_THREADS -#endif -#if defined(DGUX_THREADS) -# if !defined(GC_DGUX386_THREADS) -# define GC_DGUX386_THREADS -# endif -#endif -#if defined(AIX_THREADS) -# define GC_AIX_THREADS -#endif -#if defined(HPUX_THREADS) -# define GC_HPUX_THREADS -#endif -#if defined(OSF1_THREADS) -# define GC_OSF1_THREADS -#endif -#if defined(LINUX_THREADS) -# define GC_LINUX_THREADS -#endif -#if defined(WIN32_THREADS) -# define GC_WIN32_THREADS -#endif -#if defined(USE_LD_WRAP) -# define GC_USE_LD_WRAP -#endif - -#if !defined(_REENTRANT) && (defined(GC_SOLARIS_THREADS) \ - || defined(GC_HPUX_THREADS) \ - || defined(GC_AIX_THREADS) \ - || defined(GC_LINUX_THREADS) \ - || defined(GC_NETBSD_THREADS) \ - || defined(GC_GNU_THREADS)) -# define _REENTRANT - /* Better late than never. This fails if system headers that */ - /* depend on this were previously included. */ -#endif - -#if !defined(_PTHREADS) && defined(GC_NETBSD_THREADS) -# define _PTHREADS -#endif - -#if defined(GC_DGUX386_THREADS) && !defined(_POSIX4A_DRAFT10_SOURCE) -# define _POSIX4A_DRAFT10_SOURCE 1 -#endif - -# if defined(GC_SOLARIS_THREADS) || defined(GC_FREEBSD_THREADS) || \ - defined(GC_IRIX_THREADS) || defined(GC_LINUX_THREADS) || \ - defined(GC_HPUX_THREADS) || defined(GC_OSF1_THREADS) || \ - defined(GC_DGUX386_THREADS) || defined(GC_DARWIN_THREADS) || \ - defined(GC_AIX_THREADS) || defined(GC_NETBSD_THREADS) || \ - (defined(GC_WIN32_THREADS) && defined(__CYGWIN32__)) || \ - defined(GC_GNU_THREADS) -# define GC_PTHREADS -# endif - -#if defined(GC_WIN32_PTHREADS) -# define GC_WIN32_THREADS -# define GC_PTHREADS -#endif - -#if defined(GC_THREADS) && !defined(GC_PTHREADS) -# if defined(__linux__) -# define GC_LINUX_THREADS -# define GC_PTHREADS -# endif -# if !defined(__linux__) && (defined(_PA_RISC1_1) || defined(_PA_RISC2_0) \ - || defined(hppa) || defined(__HPPA)) \ - || (defined(__ia64) && defined(_HPUX_SOURCE)) -# define GC_HPUX_THREADS -# define GC_PTHREADS -# endif -# if !defined(__linux__) && (defined(__alpha) || defined(__alpha__)) -# define GC_OSF1_THREADS -# define GC_PTHREADS -# endif -# if defined(__mips) && !defined(__linux__) -# define GC_IRIX_THREADS -# define GC_PTHREADS -# endif -# if defined(__sparc) && !defined(__linux__) \ - || defined(sun) && (defined(i386) || defined(__i386__)) -# define GC_SOLARIS_THREADS -# define GC_PTHREADS -# endif -# if defined(__APPLE__) && defined(__MACH__) -# define GC_DARWIN_THREADS -# define GC_PTHREADS -# endif -# if !defined(GC_PTHREADS) && (defined(__FreeBSD__) || defined(__DragonFly__)) -# define GC_FREEBSD_THREADS -# define GC_PTHREADS -# endif -# if !defined(GC_PTHREADS) && defined(__NetBSD__) -# define GC_NETBSD_THREADS -# define GC_PTHREADS -# endif -# if defined(DGUX) && (defined(i386) || defined(__i386__)) -# define GC_DGUX386_THREADS -# define GC_PTHREADS -# endif -# if defined(_AIX) -# define GC_AIX_THREADS -# define GC_PTHREADS -# endif -#endif /* GC_THREADS */ - -#if defined(GC_THREADS) && !defined(GC_PTHREADS) && !defined(GC_WIN32_THREADS) \ - && (defined(_WIN32) || defined(_MSC_VER) || defined(__CYGWIN__) \ - || defined(__MINGW32__) || defined(__BORLANDC__) \ - || defined(_WIN32_WCE)) -# define GC_WIN32_THREADS -# if defined(__CYGWIN__) -# define GC_PTHREADS -# endif -#endif - -# define __GC -# ifndef _WIN32_WCE -# include -# if defined(__MINGW32__) -# include - /* We mention uintptr_t. */ - /* Perhaps this should be included in pure msft environments */ - /* as well? */ -# endif -# else /* ! _WIN32_WCE */ -/* Yet more kluges for WinCE */ -# include /* size_t is defined here */ - typedef long ptrdiff_t; /* ptrdiff_t is not defined */ -# endif - -#if defined(_DLL) && !defined(GC_NOT_DLL) && !defined(GC_DLL) -# define GC_DLL -#endif - -#if defined(__MINGW32__) && defined(GC_DLL) -# ifdef GC_BUILD -# define GC_API __declspec(dllexport) -# else -# define GC_API __declspec(dllimport) -# endif -#endif - -#if (defined(__DMC__) || defined(_MSC_VER)) && defined(GC_DLL) -# ifdef GC_BUILD -# define GC_API extern __declspec(dllexport) -# else -# define GC_API __declspec(dllimport) -# endif -#endif - -#if defined(__WATCOMC__) && defined(GC_DLL) -# ifdef GC_BUILD -# define GC_API extern __declspec(dllexport) -# else -# define GC_API extern __declspec(dllimport) -# endif -#endif - -#ifndef GC_API -#define GC_API extern -#endif - diff --git a/vendor/gc/include/gc_cpp.h b/vendor/gc/include/gc_cpp.h deleted file mode 100644 index 2a69f05..0000000 --- a/vendor/gc/include/gc_cpp.h +++ /dev/null @@ -1,398 +0,0 @@ -#ifndef GC_CPP_H -#define GC_CPP_H -/**************************************************************************** -Copyright (c) 1994 by Xerox Corporation. All rights reserved. - -THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - -Permission is hereby granted to use or copy this program for any -purpose, provided the above notices are retained on all copies. -Permission to modify the code and to distribute modified code is -granted, provided the above notices are retained, and a notice that -the code was modified is included with the above copyright notice. -**************************************************************************** - -C++ Interface to the Boehm Collector - - John R. Ellis and Jesse Hull - -This interface provides access to the Boehm collector. It provides -basic facilities similar to those described in "Safe, Efficient -Garbage Collection for C++", by John R. Elis and David L. Detlefs -(ftp://ftp.parc.xerox.com/pub/ellis/gc). - -All heap-allocated objects are either "collectable" or -"uncollectable". Programs must explicitly delete uncollectable -objects, whereas the garbage collector will automatically delete -collectable objects when it discovers them to be inaccessible. -Collectable objects may freely point at uncollectable objects and vice -versa. - -Objects allocated with the built-in "::operator new" are uncollectable. - -Objects derived from class "gc" are collectable. For example: - - class A: public gc {...}; - A* a = new A; // a is collectable. - -Collectable instances of non-class types can be allocated using the GC -(or UseGC) placement: - - typedef int A[ 10 ]; - A* a = new (GC) A; - -Uncollectable instances of classes derived from "gc" can be allocated -using the NoGC placement: - - class A: public gc {...}; - A* a = new (NoGC) A; // a is uncollectable. - -The new(PointerFreeGC) syntax allows the allocation of collectable -objects that are not scanned by the collector. This useful if you -are allocating compressed data, bitmaps, or network packets. (In -the latter case, it may remove danger of unfriendly network packets -intentionally containing values that cause spurious memory retention.) - -Both uncollectable and collectable objects can be explicitly deleted -with "delete", which invokes an object's destructors and frees its -storage immediately. - -A collectable object may have a clean-up function, which will be -invoked when the collector discovers the object to be inaccessible. -An object derived from "gc_cleanup" or containing a member derived -from "gc_cleanup" has a default clean-up function that invokes the -object's destructors. Explicit clean-up functions may be specified as -an additional placement argument: - - A* a = ::new (GC, MyCleanup) A; - -An object is considered "accessible" by the collector if it can be -reached by a path of pointers from static variables, automatic -variables of active functions, or from some object with clean-up -enabled; pointers from an object to itself are ignored. - -Thus, if objects A and B both have clean-up functions, and A points at -B, B is considered accessible. After A's clean-up is invoked and its -storage released, B will then become inaccessible and will have its -clean-up invoked. If A points at B and B points to A, forming a -cycle, then that's considered a storage leak, and neither will be -collectable. See the interface gc.h for low-level facilities for -handling such cycles of objects with clean-up. - -The collector cannot guarantee that it will find all inaccessible -objects. In practice, it finds almost all of them. - - -Cautions: - -1. Be sure the collector has been augmented with "make c++" or -"--enable-cplusplus". - -2. If your compiler supports the new "operator new[]" syntax, then -add -DGC_OPERATOR_NEW_ARRAY to the Makefile. - -If your compiler doesn't support "operator new[]", beware that an -array of type T, where T is derived from "gc", may or may not be -allocated as a collectable object (it depends on the compiler). Use -the explicit GC placement to make the array collectable. For example: - - class A: public gc {...}; - A* a1 = new A[ 10 ]; // collectable or uncollectable? - A* a2 = new (GC) A[ 10 ]; // collectable - -3. The destructors of collectable arrays of objects derived from -"gc_cleanup" will not be invoked properly. For example: - - class A: public gc_cleanup {...}; - A* a = new (GC) A[ 10 ]; // destructors not invoked correctly - -Typically, only the destructor for the first element of the array will -be invoked when the array is garbage-collected. To get all the -destructors of any array executed, you must supply an explicit -clean-up function: - - A* a = new (GC, MyCleanUp) A[ 10 ]; - -(Implementing clean-up of arrays correctly, portably, and in a way -that preserves the correct exception semantics requires a language -extension, e.g. the "gc" keyword.) - -4. Compiler bugs (now hopefully history): - -* Solaris 2's CC (SC3.0) doesn't implement t->~T() correctly, so the -destructors of classes derived from gc_cleanup won't be invoked. -You'll have to explicitly register a clean-up function with -new-placement syntax. - -* Evidently cfront 3.0 does not allow destructors to be explicitly -invoked using the ANSI-conforming syntax t->~T(). If you're using -cfront 3.0, you'll have to comment out the class gc_cleanup, which -uses explicit invocation. - -5. GC name conflicts: - -Many other systems seem to use the identifier "GC" as an abbreviation -for "Graphics Context". Since version 5.0, GC placement has been replaced -by UseGC. GC is an alias for UseGC, unless GC_NAME_CONFLICT is defined. - -****************************************************************************/ - -#include "gc.h" - -#ifndef THINK_CPLUS -# define GC_cdecl -#else -# define GC_cdecl _cdecl -#endif - -#if ! defined( GC_NO_OPERATOR_NEW_ARRAY ) \ - && !defined(_ENABLE_ARRAYNEW) /* Digimars */ \ - && (defined(__BORLANDC__) && (__BORLANDC__ < 0x450) \ - || (defined(__GNUC__) && \ - (__GNUC__ < 2 || __GNUC__ == 2 && __GNUC_MINOR__ < 6)) \ - || (defined(__WATCOMC__) && __WATCOMC__ < 1050)) -# define GC_NO_OPERATOR_NEW_ARRAY -#endif - -#if !defined(GC_NO_OPERATOR_NEW_ARRAY) && !defined(GC_OPERATOR_NEW_ARRAY) -# define GC_OPERATOR_NEW_ARRAY -#endif - -#if ! defined ( __BORLANDC__ ) /* Confuses the Borland compiler. */ \ - && ! defined ( __sgi ) -# define GC_PLACEMENT_DELETE -#endif - -enum GCPlacement {UseGC, -#ifndef GC_NAME_CONFLICT - GC=UseGC, -#endif - NoGC, PointerFreeGC}; - -class gc {public: - inline void* operator new( size_t size ); - inline void* operator new( size_t size, GCPlacement gcp ); - inline void* operator new( size_t size, void *p ); - /* Must be redefined here, since the other overloadings */ - /* hide the global definition. */ - inline void operator delete( void* obj ); -# ifdef GC_PLACEMENT_DELETE - inline void operator delete( void*, GCPlacement ); - /* called if construction fails. */ - inline void operator delete( void*, void* ); -# endif - -#ifdef GC_OPERATOR_NEW_ARRAY - inline void* operator new[]( size_t size ); - inline void* operator new[]( size_t size, GCPlacement gcp ); - inline void* operator new[]( size_t size, void *p ); - inline void operator delete[]( void* obj ); -# ifdef GC_PLACEMENT_DELETE - inline void operator delete[]( void*, GCPlacement ); - inline void operator delete[]( void*, void* ); -# endif -#endif /* GC_OPERATOR_NEW_ARRAY */ - }; - /* - Instances of classes derived from "gc" will be allocated in the - collected heap by default, unless an explicit NoGC placement is - specified. */ - -class gc_cleanup: virtual public gc {public: - inline gc_cleanup(); - inline virtual ~gc_cleanup(); -private: - inline static void GC_cdecl cleanup( void* obj, void* clientData );}; - /* - Instances of classes derived from "gc_cleanup" will be allocated - in the collected heap by default. When the collector discovers an - inaccessible object derived from "gc_cleanup" or containing a - member derived from "gc_cleanup", its destructors will be - invoked. */ - -extern "C" {typedef void (*GCCleanUpFunc)( void* obj, void* clientData );} - -#ifdef _MSC_VER - // Disable warning that "no matching operator delete found; memory will - // not be freed if initialization throws an exception" -# pragma warning(disable:4291) -#endif - -inline void* operator new( - size_t size, - GCPlacement gcp, - GCCleanUpFunc cleanup = 0, - void* clientData = 0 ); - /* - Allocates a collectable or uncollected object, according to the - value of "gcp". - - For collectable objects, if "cleanup" is non-null, then when the - allocated object "obj" becomes inaccessible, the collector will - invoke the function "cleanup( obj, clientData )" but will not - invoke the object's destructors. It is an error to explicitly - delete an object allocated with a non-null "cleanup". - - It is an error to specify a non-null "cleanup" with NoGC or for - classes derived from "gc_cleanup" or containing members derived - from "gc_cleanup". */ - -# ifdef GC_PLACEMENT_DELETE - inline void operator delete( void*, GCPlacement, GCCleanUpFunc, void * ); -# endif - -#ifdef _MSC_VER - /** This ensures that the system default operator new[] doesn't get - * undefined, which is what seems to happen on VC++ 6 for some reason - * if we define a multi-argument operator new[]. - * There seems to be no way to redirect new in this environment without - * including this everywhere. - */ - void *operator new[]( size_t size ); - - void operator delete[](void* obj); - - void* operator new( size_t size); - - void operator delete(void* obj); - - // This new operator is used by VC++ in case of Debug builds ! - void* operator new( size_t size, - int ,//nBlockUse, - const char * szFileName, - int nLine ); -#endif /* _MSC_VER */ - - -#ifdef GC_OPERATOR_NEW_ARRAY - -inline void* operator new[]( - size_t size, - GCPlacement gcp, - GCCleanUpFunc cleanup = 0, - void* clientData = 0 ); - /* - The operator new for arrays, identical to the above. */ - -#endif /* GC_OPERATOR_NEW_ARRAY */ - -/**************************************************************************** - -Inline implementation - -****************************************************************************/ - -inline void* gc::operator new( size_t size ) { - return GC_MALLOC( size );} - -inline void* gc::operator new( size_t size, GCPlacement gcp ) { - if (gcp == UseGC) - return GC_MALLOC( size ); - else if (gcp == PointerFreeGC) - return GC_MALLOC_ATOMIC( size ); - else - return GC_MALLOC_UNCOLLECTABLE( size );} - -inline void* gc::operator new( size_t size, void *p ) { - return p;} - -inline void gc::operator delete( void* obj ) { - GC_FREE( obj );} - -#ifdef GC_PLACEMENT_DELETE - inline void gc::operator delete( void*, void* ) {} - - inline void gc::operator delete( void* p, GCPlacement gcp ) { - GC_FREE(p); - } -#endif - -#ifdef GC_OPERATOR_NEW_ARRAY - -inline void* gc::operator new[]( size_t size ) { - return gc::operator new( size );} - -inline void* gc::operator new[]( size_t size, GCPlacement gcp ) { - return gc::operator new( size, gcp );} - -inline void* gc::operator new[]( size_t size, void *p ) { - return p;} - -inline void gc::operator delete[]( void* obj ) { - gc::operator delete( obj );} - -#ifdef GC_PLACEMENT_DELETE - inline void gc::operator delete[]( void*, void* ) {} - - inline void gc::operator delete[]( void* p, GCPlacement gcp ) { - gc::operator delete(p); } - -#endif - -#endif /* GC_OPERATOR_NEW_ARRAY */ - - -inline gc_cleanup::~gc_cleanup() { - GC_register_finalizer_ignore_self( GC_base(this), 0, 0, 0, 0 );} - -inline void gc_cleanup::cleanup( void* obj, void* displ ) { - ((gc_cleanup*) ((char*) obj + (ptrdiff_t) displ))->~gc_cleanup();} - -inline gc_cleanup::gc_cleanup() { - GC_finalization_proc oldProc; - void* oldData; - void* base = GC_base( (void *) this ); - if (0 != base) { - // Don't call the debug version, since this is a real base address. - GC_register_finalizer_ignore_self( - base, (GC_finalization_proc)cleanup, (void*) ((char*) this - (char*) base), - &oldProc, &oldData ); - if (0 != oldProc) { - GC_register_finalizer_ignore_self( base, oldProc, oldData, 0, 0 );}}} - -inline void* operator new( - size_t size, - GCPlacement gcp, - GCCleanUpFunc cleanup, - void* clientData ) -{ - void* obj; - - if (gcp == UseGC) { - obj = GC_MALLOC( size ); - if (cleanup != 0) - GC_REGISTER_FINALIZER_IGNORE_SELF( - obj, cleanup, clientData, 0, 0 );} - else if (gcp == PointerFreeGC) { - obj = GC_MALLOC_ATOMIC( size );} - else { - obj = GC_MALLOC_UNCOLLECTABLE( size );}; - return obj;} - -# ifdef GC_PLACEMENT_DELETE -inline void operator delete ( - void *p, - GCPlacement gcp, - GCCleanUpFunc cleanup, - void* clientData ) -{ - GC_FREE(p); -} -# endif - -#ifdef GC_OPERATOR_NEW_ARRAY - -inline void* operator new[]( - size_t size, - GCPlacement gcp, - GCCleanUpFunc cleanup, - void* clientData ) -{ - return ::operator new( size, gcp, cleanup, clientData );} - -#endif /* GC_OPERATOR_NEW_ARRAY */ - - -#endif /* GC_CPP_H */ - diff --git a/vendor/gc/include/gc_gcj.h b/vendor/gc/include/gc_gcj.h deleted file mode 100644 index 699ddf5..0000000 --- a/vendor/gc/include/gc_gcj.h +++ /dev/null @@ -1,94 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright 1999 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* This file assumes the collector has been compiled with GC_GCJ_SUPPORT */ -/* and that an ANSI C compiler is available. */ - -/* - * We allocate objects whose first word contains a pointer to a struct - * describing the object type. This struct contains a garbage collector mark - * descriptor at offset MARK_DESCR_OFFSET. Alternatively, the objects - * may be marked by the mark procedure passed to GC_init_gcj_malloc. - */ - -#ifndef GC_GCJ_H - -#define GC_GCJ_H - -#ifndef MARK_DESCR_OFFSET -# define MARK_DESCR_OFFSET sizeof(word) -#endif - /* Gcj keeps GC descriptor as second word of vtable. This */ - /* probably needs to be adjusted for other clients. */ - /* We currently assume that this offset is such that: */ - /* - all objects of this kind are large enough to have */ - /* a value at that offset, and */ - /* - it is not zero. */ - /* These assumptions allow objects on the free list to be */ - /* marked normally. */ - -#ifndef _GC_H -# include "gc.h" -#endif - -/* The following allocators signal an out of memory condition with */ -/* return GC_oom_fn(bytes); */ - -/* The following function must be called before the gcj allocators */ -/* can be invoked. */ -/* mp_index and mp are the index and mark_proc (see gc_mark.h) */ -/* respectively for the allocated objects. Mark_proc will be */ -/* used to build the descriptor for objects allocated through the */ -/* debugging interface. The mark_proc will be invoked on all such */ -/* objects with an "environment" value of 1. The client may choose */ -/* to use the same mark_proc for some of its generated mark descriptors.*/ -/* In that case, it should use a different "environment" value to */ -/* detect the presence or absence of the debug header. */ -/* Mp is really of type mark_proc, as defined in gc_mark.h. We don't */ -/* want to include that here for namespace pollution reasons. */ -extern void GC_init_gcj_malloc(int mp_index, void * /* really mark_proc */mp); - -/* Allocate an object, clear it, and store the pointer to the */ -/* type structure (vtable in gcj). */ -/* This adds a byte at the end of the object if GC_malloc would.*/ -extern void * GC_gcj_malloc(size_t lb, void * ptr_to_struct_containing_descr); -/* The debug versions allocate such that the specified mark_proc */ -/* is always invoked. */ -extern void * GC_debug_gcj_malloc(size_t lb, - void * ptr_to_struct_containing_descr, - GC_EXTRA_PARAMS); - -/* Similar to GC_gcj_malloc, but assumes that a pointer to near the */ -/* beginning of the resulting object is always maintained. */ -extern void * GC_gcj_malloc_ignore_off_page(size_t lb, - void * ptr_to_struct_containing_descr); - -/* The kind numbers of normal and debug gcj objects. */ -/* Useful only for debug support, we hope. */ -extern int GC_gcj_kind; - -extern int GC_gcj_debug_kind; - -# ifdef GC_DEBUG -# define GC_GCJ_MALLOC(s,d) GC_debug_gcj_malloc(s,d,GC_EXTRAS) -# define GC_GCJ_MALLOC_IGNORE_OFF_PAGE(s,d) GC_debug_gcj_malloc(s,d,GC_EXTRAS) -# else -# define GC_GCJ_MALLOC(s,d) GC_gcj_malloc(s,d) -# define GC_GCJ_MALLOC_IGNORE_OFF_PAGE(s,d) \ - GC_gcj_malloc_ignore_off_page(s,d) -# endif - -#endif /* GC_GCJ_H */ diff --git a/vendor/gc/include/gc_inline.h b/vendor/gc/include/gc_inline.h deleted file mode 100644 index ffc5b3e..0000000 --- a/vendor/gc/include/gc_inline.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright (c) 2005 Hewlett-Packard Development Company, L.P. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* USE OF THIS FILE IS NOT RECOMMENDED unless GC_all_interior_pointers */ -/* is not set, or the collector has been built with */ -/* -DDONT_ADD_BYTE_AT_END, or the specified size includes a pointerfree */ -/* word at the end. In the standard collector configuration, */ -/* the final word of each object may not be scanned. */ -/* This interface is most useful for compilers that generate C. */ -/* It is also used internally for thread-local allocation, in which */ -/* case, the size is suitably adjusted by the caller. */ -/* Manual use is hereby discouraged. */ - -#include "gc.h" -#include "gc_tiny_fl.h" - -#if __GNUC__ >= 3 -# define GC_EXPECT(expr, outcome) __builtin_expect(expr,outcome) - /* Equivalent to (expr), but predict that usually (expr)==outcome. */ -#else -# define GC_EXPECT(expr, outcome) (expr) -#endif /* __GNUC__ */ - -/* The ultimately general inline allocation macro. Allocate an object */ -/* of size granules, putting the resulting pointer in result. Tiny_fl */ -/* is a "tiny" free list array, which will be used first, if the size */ -/* is appropriate. If granules is too large, we allocate with */ -/* default_expr instead. If we need to refill the free list, we use */ -/* GC_generic_malloc_many with the indicated kind. */ -/* Tiny_fl should be an array of GC_TINY_FREELISTS void * pointers. */ -/* If num_direct is nonzero, and the individual free list pointers */ -/* are initialized to (void *)1, then we allocate numdirect granules */ -/* directly using gmalloc before putting multiple objects into the */ -/* tiny_fl entry. If num_direct is zero, then the free lists may also */ -/* be initialized to (void *)0. */ -/* We rely on much of this hopefully getting optimized away in the */ -/* num_direct = 0 case. */ -/* Particularly if granules is constant, this should generate a small */ -/* amount of code. */ -# define GC_FAST_MALLOC_GRANS(result,granules,tiny_fl,num_direct,\ - kind,default_expr,init) \ -{ \ - if (GC_EXPECT(granules >= GC_TINY_FREELISTS,0)) { \ - result = default_expr; \ - } else { \ - void **my_fl = tiny_fl + granules; \ - void *my_entry=*my_fl; \ - void *next; \ - \ - while (GC_EXPECT((GC_word)my_entry \ - <= num_direct + GC_TINY_FREELISTS + 1, 0)) { \ - /* Entry contains counter or NULL */ \ - if ((GC_word)my_entry - 1 < num_direct) { \ - /* Small counter value, not NULL */ \ - *my_fl = (char *)my_entry + granules + 1; \ - result = default_expr; \ - goto out; \ - } else { \ - /* Large counter or NULL */ \ - GC_generic_malloc_many(((granules) == 0? GC_GRANULE_BYTES : \ - GC_RAW_BYTES_FROM_INDEX(granules)), \ - kind, my_fl); \ - my_entry = *my_fl; \ - if (my_entry == 0) { \ - result = GC_oom_fn(granules*GC_GRANULE_BYTES); \ - goto out; \ - } \ - } \ - } \ - next = *(void **)(my_entry); \ - result = (void *)my_entry; \ - *my_fl = next; \ - init; \ - PREFETCH_FOR_WRITE(next); \ - GC_ASSERT(GC_size(result) >= granules*GC_GRANULE_BYTES); \ - GC_ASSERT((kind) == PTRFREE || ((GC_word *)result)[1] == 0); \ - out: ; \ - } \ -} - -# define GC_WORDS_TO_WHOLE_GRANULES(n) \ - GC_WORDS_TO_GRANULES((n) + GC_GRANULE_WORDS - 1) - -/* Allocate n words (NOT BYTES). X is made to point to the result. */ -/* This should really only be used if GC_all_interior_pointers is */ -/* not set, or DONT_ADD_BYTE_AT_END is set. See above. */ -/* The semantics changed in version 7.0; we no longer lock, and */ -/* the caller is responsible for supplying a cleared tiny_fl */ -/* free list array. For single-threaded applications, this may be */ -/* a global array. */ -# define GC_MALLOC_WORDS(result,n,tiny_fl) \ -{ \ - size_t grans = GC_WORDS_TO_WHOLE_GRANULES(n); \ - GC_FAST_MALLOC_GRANS(result, grans, tiny_fl, 0, \ - NORMAL, GC_malloc(grans*GC_GRANULE_BYTES), \ - *(void **)result = 0); \ -} - -# define GC_MALLOC_ATOMIC_WORDS(result,n,tiny_fl) \ -{ \ - size_t grans = GC_WORDS_TO_WHOLE_GRANULES(n); \ - GC_FAST_MALLOC_GRANS(result, grans, tiny_fl, 0, \ - PTRFREE, GC_malloc_atomic(grans*GC_GRANULE_BYTES), \ - /* no initialization */); \ -} - - -/* And once more for two word initialized objects: */ -# define GC_CONS(result, first, second, tiny_fl) \ -{ \ - size_t grans = GC_WORDS_TO_WHOLE_GRANULES(2); \ - GC_FAST_MALLOC_GRANS(result, grans, tiny_fl, 0, \ - NORMAL, GC_malloc(grans*GC_GRANULE_BYTES), \ - *(void **)result = (void *)(first)); \ - ((void **)(result))[1] = (void *)(second); \ -} diff --git a/vendor/gc/include/gc_mark.h b/vendor/gc/include/gc_mark.h deleted file mode 100644 index 8ee50b5..0000000 --- a/vendor/gc/include/gc_mark.h +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 2001 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -/* - * This contains interfaces to the GC marker that are likely to be useful to - * clients that provide detailed heap layout information to the collector. - * This interface should not be used by normal C or C++ clients. - * It will be useful to runtimes for other languages. - * - * This is an experts-only interface! There are many ways to break the - * collector in subtle ways by using this functionality. - */ -#ifndef GC_MARK_H -# define GC_MARK_H - -# ifndef GC_H -# include "gc.h" -# endif - -/* A client supplied mark procedure. Returns new mark stack pointer. */ -/* Primary effect should be to push new entries on the mark stack. */ -/* Mark stack pointer values are passed and returned explicitly. */ -/* Global variables decribing mark stack are not necessarily valid. */ -/* (This usually saves a few cycles by keeping things in registers.) */ -/* Assumed to scan about GC_PROC_BYTES on average. If it needs to do */ -/* much more work than that, it should do it in smaller pieces by */ -/* pushing itself back on the mark stack. */ -/* Note that it should always do some work (defined as marking some */ -/* objects) before pushing more than one entry on the mark stack. */ -/* This is required to ensure termination in the event of mark stack */ -/* overflows. */ -/* This procedure is always called with at least one empty entry on the */ -/* mark stack. */ -/* Currently we require that mark procedures look for pointers in a */ -/* subset of the places the conservative marker would. It must be safe */ -/* to invoke the normal mark procedure instead. */ -/* WARNING: Such a mark procedure may be invoked on an unused object */ -/* residing on a free list. Such objects are cleared, except for a */ -/* free list link field in the first word. Thus mark procedures may */ -/* not count on the presence of a type descriptor, and must handle this */ -/* case correctly somehow. */ -# define GC_PROC_BYTES 100 -struct GC_ms_entry; -typedef struct GC_ms_entry * (*GC_mark_proc) ( - GC_word * addr, struct GC_ms_entry * mark_stack_ptr, - struct GC_ms_entry * mark_stack_limit, GC_word env); - -# define GC_LOG_MAX_MARK_PROCS 6 -# define GC_MAX_MARK_PROCS (1 << GC_LOG_MAX_MARK_PROCS) - -/* In a few cases it's necessary to assign statically known indices to */ -/* certain mark procs. Thus we reserve a few for well known clients. */ -/* (This is necessary if mark descriptors are compiler generated.) */ -#define GC_RESERVED_MARK_PROCS 8 -# define GC_GCJ_RESERVED_MARK_PROC_INDEX 0 - -/* Object descriptors on mark stack or in objects. Low order two */ -/* bits are tags distinguishing among the following 4 possibilities */ -/* for the high order 30 bits. */ -#define GC_DS_TAG_BITS 2 -#define GC_DS_TAGS ((1 << GC_DS_TAG_BITS) - 1) -#define GC_DS_LENGTH 0 /* The entire word is a length in bytes that */ - /* must be a multiple of 4. */ -#define GC_DS_BITMAP 1 /* 30 (62) bits are a bitmap describing pointer */ - /* fields. The msb is 1 iff the first word */ - /* is a pointer. */ - /* (This unconventional ordering sometimes */ - /* makes the marker slightly faster.) */ - /* Zeroes indicate definite nonpointers. Ones */ - /* indicate possible pointers. */ - /* Only usable if pointers are word aligned. */ -#define GC_DS_PROC 2 - /* The objects referenced by this object can be */ - /* pushed on the mark stack by invoking */ - /* PROC(descr). ENV(descr) is passed as the */ - /* last argument. */ -# define GC_MAKE_PROC(proc_index, env) \ - (((((env) << GC_LOG_MAX_MARK_PROCS) \ - | (proc_index)) << GC_DS_TAG_BITS) | GC_DS_PROC) -#define GC_DS_PER_OBJECT 3 /* The real descriptor is at the */ - /* byte displacement from the beginning of the */ - /* object given by descr & ~DS_TAGS */ - /* If the descriptor is negative, the real */ - /* descriptor is at (*) - */ - /* (descr & ~DS_TAGS) - GC_INDIR_PER_OBJ_BIAS */ - /* The latter alternative can be used if each */ - /* object contains a type descriptor in the */ - /* first word. */ - /* Note that in multithreaded environments */ - /* per object descriptors maust be located in */ - /* either the first two or last two words of */ - /* the object, since only those are guaranteed */ - /* to be cleared while the allocation lock is */ - /* held. */ -#define GC_INDIR_PER_OBJ_BIAS 0x10 - -extern void * GC_least_plausible_heap_addr; -extern void * GC_greatest_plausible_heap_addr; - /* Bounds on the heap. Guaranteed valid */ - /* Likely to include future heap expansion. */ - -/* Handle nested references in a custom mark procedure. */ -/* Check if obj is a valid object. If so, ensure that it is marked. */ -/* If it was not previously marked, push its contents onto the mark */ -/* stack for future scanning. The object will then be scanned using */ -/* its mark descriptor. */ -/* Returns the new mark stack pointer. */ -/* Handles mark stack overflows correctly. */ -/* Since this marks first, it makes progress even if there are mark */ -/* stack overflows. */ -/* Src is the address of the pointer to obj, which is used only */ -/* for back pointer-based heap debugging. */ -/* It is strongly recommended that most objects be handled without mark */ -/* procedures, e.g. with bitmap descriptors, and that mark procedures */ -/* be reserved for exceptional cases. That will ensure that */ -/* performance of this call is not extremely performance critical. */ -/* (Otherwise we would need to inline GC_mark_and_push completely, */ -/* which would tie the client code to a fixed collector version.) */ -/* Note that mark procedures should explicitly call FIXUP_POINTER() */ -/* if required. */ -struct GC_ms_entry *GC_mark_and_push(void * obj, - struct GC_ms_entry * mark_stack_ptr, - struct GC_ms_entry * mark_stack_limit, - void * *src); - -#define GC_MARK_AND_PUSH(obj, msp, lim, src) \ - (((GC_word)obj >= (GC_word)GC_least_plausible_heap_addr && \ - (GC_word)obj <= (GC_word)GC_greatest_plausible_heap_addr)? \ - GC_mark_and_push(obj, msp, lim, src) : \ - msp) - -extern size_t GC_debug_header_size; - /* The size of the header added to objects allocated through */ - /* the GC_debug routines. */ - /* Defined as a variable so that client mark procedures don't */ - /* need to be recompiled for collector version changes. */ -#define GC_USR_PTR_FROM_BASE(p) ((void *)((char *)(p) + GC_debug_header_size)) - -/* And some routines to support creation of new "kinds", e.g. with */ -/* custom mark procedures, by language runtimes. */ -/* The _inner versions assume the caller holds the allocation lock. */ - -/* Return a new free list array. */ -void ** GC_new_free_list(void); -void ** GC_new_free_list_inner(void); - -/* Return a new kind, as specified. */ -unsigned GC_new_kind(void **free_list, GC_word mark_descriptor_template, - int add_size_to_descriptor, int clear_new_objects); - /* The last two parameters must be zero or one. */ -unsigned GC_new_kind_inner(void **free_list, - GC_word mark_descriptor_template, - int add_size_to_descriptor, - int clear_new_objects); - -/* Return a new mark procedure identifier, suitable for use as */ -/* the first argument in GC_MAKE_PROC. */ -unsigned GC_new_proc(GC_mark_proc); -unsigned GC_new_proc_inner(GC_mark_proc); - -/* Allocate an object of a given kind. Note that in multithreaded */ -/* contexts, this is usually unsafe for kinds that have the descriptor */ -/* in the object itself, since there is otherwise a window in which */ -/* the descriptor is not correct. Even in the single-threaded case, */ -/* we need to be sure that cleared objects on a free list don't */ -/* cause a GC crash if they are accidentally traced. */ -void * GC_generic_malloc(size_t lb, int k); - -typedef void (*GC_describe_type_fn) (void *p, char *out_buf); - /* A procedure which */ - /* produces a human-readable */ - /* description of the "type" of object */ - /* p into the buffer out_buf of length */ - /* GC_TYPE_DESCR_LEN. This is used by */ - /* the debug support when printing */ - /* objects. */ - /* These functions should be as robust */ - /* as possible, though we do avoid */ - /* invoking them on objects on the */ - /* global free list. */ -# define GC_TYPE_DESCR_LEN 40 - -void GC_register_describe_type_fn(int kind, GC_describe_type_fn knd); - /* Register a describe_type function */ - /* to be used when printing objects */ - /* of a particular kind. */ - -#endif /* GC_MARK_H */ - diff --git a/vendor/gc/include/gc_pthread_redirects.h b/vendor/gc/include/gc_pthread_redirects.h deleted file mode 100644 index b567f63..0000000 --- a/vendor/gc/include/gc_pthread_redirects.h +++ /dev/null @@ -1,54 +0,0 @@ -/* Our pthread support normally needs to intercept a number of thread */ -/* calls. We arrange to do that here, if appropriate. */ - -#ifndef GC_PTHREAD_REDIRECTS_H - -#define GC_PTHREAD_REDIRECTS_H - -#if !defined(GC_USE_LD_WRAP) && defined(GC_PTHREADS) -/* We need to intercept calls to many of the threads primitives, so */ -/* that we can locate thread stacks and stop the world. */ -/* Note also that the collector cannot always see thread specific data. */ -/* Thread specific data should generally consist of pointers to */ -/* uncollectable objects (allocated with GC_malloc_uncollectable, */ -/* not the system malloc), which are deallocated using the destructor */ -/* facility in thr_keycreate. Alternatively, keep a redundant pointer */ -/* to thread specific data on the thread stack. */ - -# include -# include - - int GC_pthread_create(pthread_t *new_thread, - const pthread_attr_t *attr, - void *(*start_routine)(void *), void *arg); -#ifndef GC_DARWIN_THREADS - int GC_pthread_sigmask(int how, const sigset_t *set, sigset_t *oset); -#endif - int GC_pthread_join(pthread_t thread, void **retval); - int GC_pthread_detach(pthread_t thread); - -#if defined(GC_OSF1_THREADS) \ - && defined(_PTHREAD_USE_MANGLED_NAMES_) && !defined(_PTHREAD_USE_PTDNAM_) -/* Unless the compiler supports #pragma extern_prefix, the Tru64 UNIX - redefines some POSIX thread functions to use mangled names. - If so, undef them before redefining. */ -# undef pthread_create -# undef pthread_join -# undef pthread_detach -#endif - -# define pthread_create GC_pthread_create -# define pthread_join GC_pthread_join -# define pthread_detach GC_pthread_detach - -#ifndef GC_DARWIN_THREADS -# ifdef pthread_sigmask -# undef pthread_sigmask -# endif /* pthread_sigmask */ -# define pthread_sigmask GC_pthread_sigmask -# define dlopen GC_dlopen -#endif - -#endif /* GC_xxxxx_THREADS */ - -#endif /* GC_PTHREAD_REDIRECTS_H */ diff --git a/vendor/gc/include/gc_tiny_fl.h b/vendor/gc/include/gc_tiny_fl.h deleted file mode 100644 index 91b77fd..0000000 --- a/vendor/gc/include/gc_tiny_fl.h +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 1999-2005 Hewlett-Packard Development Company, L.P. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -#ifndef GC_TINY_FL_H -#define GC_TINY_FL_H -/* - * Constants and data structures for "tiny" free lists. - * These are used for thread-local allocation or in-lined allocators. - * Each global free list also essentially starts with one of these. - * However, global free lists are known to the GC. "Tiny" free lists - * are basically private to the client. Their contents are viewed as - * "in use" and marked accordingly by the core of the GC. - * - * Note that inlined code might know about the layout of these and the constants - * involved. Thus any change here may invalidate clients, and such changes should - * be avoided. Hence we keep this as simple as possible. - */ - -/* - * We always set GC_GRANULE_BYTES to twice the length of a pointer. - * This means that all allocation requests are rounded up to the next - * multiple of 16 on 64-bit architectures or 8 on 32-bit architectures. - * This appears to be a reasonable compromise between fragmentation overhead - * and space usage for mark bits (usually mark bytes). - * On many 64-bit architectures some memory references require 16-byte - * alignment, making this necessary anyway. - * For a few 32-bit architecture (e.g. x86), we may also need 16-byte alignment - * for certain memory references. But currently that does not seem to be the - * default for all conventional malloc implementations, so we ignore that - * problem. - * It would always be safe, and often useful, to be able to allocate very - * small objects with smaller alignment. But that would cost us mark bit - * space, so we no longer do so. - */ -#ifndef GC_GRANULE_BYTES - /* GC_GRANULE_BYTES should not be overridden in any instances of the GC */ - /* library that may be shared between applications, since it affects */ - /* the binary interface to the library. */ -# if defined(__LP64__) || defined (_LP64) || defined(_WIN64) \ - || defined(__s390x__) || defined(__x86_64__) \ - || defined(__alpha__) || defined(__powerpc64__) \ - || defined(__arch64__) -# define GC_GRANULE_BYTES 16 -# define GC_GRANULE_WORDS 2 -# else -# define GC_GRANULE_BYTES 8 -# define GC_GRANULE_WORDS 2 -# endif -#endif /* !GC_GRANULE_BYTES */ - -#if GC_GRANULE_WORDS == 2 -# define GC_WORDS_TO_GRANULES(n) ((n)>>1) -#else -# define GC_WORDS_TO_GRANULES(n) ((n)*sizeof(void *)/GC_GRANULE_BYTES) -#endif - -/* A "tiny" free list header contains TINY_FREELISTS pointers to */ -/* singly linked lists of objects of different sizes, the ith one */ -/* containing objects i granules in size. Note that there is a list */ -/* of size zero objects. */ -#ifndef GC_TINY_FREELISTS -# if GC_GRANULE_BYTES == 16 -# define GC_TINY_FREELISTS 25 -# else -# define GC_TINY_FREELISTS 33 /* Up to and including 256 bytes */ -# endif -#endif /* !GC_TINY_FREELISTS */ - -/* The ith free list corresponds to size i*GC_GRANULE_BYTES */ -/* Internally to the collector, the index can be computed with */ -/* ROUNDED_UP_GRANULES. Externally, we don't know whether */ -/* DONT_ADD_BYTE_AT_END is set, but the client should know. */ - -/* Convert a free list index to the actual size of objects */ -/* on that list, including extra space we added. Not an */ -/* inverse of the above. */ -#define GC_RAW_BYTES_FROM_INDEX(i) ((i) * GC_GRANULE_BYTES) - -#endif /* GC_TINY_FL_H */ diff --git a/vendor/gc/include/gc_typed.h b/vendor/gc/include/gc_typed.h deleted file mode 100644 index 1086acd..0000000 --- a/vendor/gc/include/gc_typed.h +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright 1996 Silicon Graphics. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* - * Some simple primitives for allocation with explicit type information. - * Facilities for dynamic type inference may be added later. - * Should be used only for extremely performance critical applications, - * or if conservative collector leakage is otherwise a problem (unlikely). - * Note that this is implemented completely separately from the rest - * of the collector, and is not linked in unless referenced. - * This does not currently support GC_DEBUG in any interesting way. - */ -/* Boehm, May 19, 1994 2:13 pm PDT */ - -#ifndef _GC_TYPED_H -# define _GC_TYPED_H -# ifndef _GC_H -# include "gc.h" -# endif - -#ifdef __cplusplus - extern "C" { -#endif -typedef GC_word * GC_bitmap; - /* The least significant bit of the first word is one if */ - /* the first word in the object may be a pointer. */ - -# define GC_WORDSZ (8*sizeof(GC_word)) -# define GC_get_bit(bm, index) \ - (((bm)[index/GC_WORDSZ] >> (index%GC_WORDSZ)) & 1) -# define GC_set_bit(bm, index) \ - (bm)[index/GC_WORDSZ] |= ((GC_word)1 << (index%GC_WORDSZ)) -# define GC_WORD_OFFSET(t, f) (offsetof(t,f)/sizeof(GC_word)) -# define GC_WORD_LEN(t) (sizeof(t)/ sizeof(GC_word)) -# define GC_BITMAP_SIZE(t) ((GC_WORD_LEN(t) + GC_WORDSZ-1)/GC_WORDSZ) - -typedef GC_word GC_descr; - -GC_API GC_descr GC_make_descriptor(GC_bitmap bm, size_t len); - /* Return a type descriptor for the object whose layout */ - /* is described by the argument. */ - /* The least significant bit of the first word is one */ - /* if the first word in the object may be a pointer. */ - /* The second argument specifies the number of */ - /* meaningful bits in the bitmap. The actual object */ - /* may be larger (but not smaller). Any additional */ - /* words in the object are assumed not to contain */ - /* pointers. */ - /* Returns a conservative approximation in the */ - /* (unlikely) case of insufficient memory to build */ - /* the descriptor. Calls to GC_make_descriptor */ - /* may consume some amount of a finite resource. This */ - /* is intended to be called once per type, not once */ - /* per allocation. */ - -/* It is possible to generate a descriptor for a C type T with */ -/* word aligned pointer fields f1, f2, ... as follows: */ -/* */ -/* GC_descr T_descr; */ -/* GC_word T_bitmap[GC_BITMAP_SIZE(T)] = {0}; */ -/* GC_set_bit(T_bitmap, GC_WORD_OFFSET(T,f1)); */ -/* GC_set_bit(T_bitmap, GC_WORD_OFFSET(T,f2)); */ -/* ... */ -/* T_descr = GC_make_descriptor(T_bitmap, GC_WORD_LEN(T)); */ - -GC_API void * GC_malloc_explicitly_typed(size_t size_in_bytes, GC_descr d); - /* Allocate an object whose layout is described by d. */ - /* The resulting object MAY NOT BE PASSED TO REALLOC. */ - /* The returned object is cleared. */ - -GC_API void * GC_malloc_explicitly_typed_ignore_off_page - (size_t size_in_bytes, GC_descr d); - -GC_API void * GC_calloc_explicitly_typed(size_t nelements, - size_t element_size_in_bytes, - GC_descr d); - /* Allocate an array of nelements elements, each of the */ - /* given size, and with the given descriptor. */ - /* The elemnt size must be a multiple of the byte */ - /* alignment required for pointers. E.g. on a 32-bit */ - /* machine with 16-bit aligned pointers, size_in_bytes */ - /* must be a multiple of 2. */ - /* Returned object is cleared. */ - -#ifdef GC_DEBUG -# define GC_MALLOC_EXPLICITLY_TYPED(bytes, d) GC_MALLOC(bytes) -# define GC_CALLOC_EXPLICITLY_TYPED(n, bytes, d) GC_MALLOC(n*bytes) -#else -# define GC_MALLOC_EXPLICITLY_TYPED(bytes, d) \ - GC_malloc_explicitly_typed(bytes, d) -# define GC_CALLOC_EXPLICITLY_TYPED(n, bytes, d) \ - GC_calloc_explicitly_typed(n, bytes, d) -#endif /* !GC_DEBUG */ - -#ifdef __cplusplus - } /* matches extern "C" */ -#endif - -#endif /* _GC_TYPED_H */ - diff --git a/vendor/gc/include/gc_version.h b/vendor/gc/include/gc_version.h deleted file mode 100644 index 06944b9..0000000 --- a/vendor/gc/include/gc_version.h +++ /dev/null @@ -1,23 +0,0 @@ -/* The version here should match that in configure/configure.ac */ -/* Eventually this one may become unnecessary. For now we need */ -/* it to keep the old-style build process working. */ -#define GC_TMP_VERSION_MAJOR 7 -#define GC_TMP_VERSION_MINOR 1 -#define GC_TMP_ALPHA_VERSION GC_NOT_ALPHA - -#ifndef GC_NOT_ALPHA -# define GC_NOT_ALPHA 0xff -#endif - -#if defined(GC_VERSION_MAJOR) -# if GC_TMP_VERSION_MAJOR != GC_VERSION_MAJOR || \ - GC_TMP_VERSION_MINOR != GC_VERSION_MINOR || \ - defined(GC_ALPHA_VERSION) != (GC_TMP_ALPHA_VERSION != GC_NOT_ALPHA) || \ - defined(GC_ALPHA_VERSION) && GC_TMP_ALPHA_VERSION != GC_ALPHA_VERSION -# error Inconsistent version info. Check README, version.h, and configure.ac. -# endif -#else -# define GC_VERSION_MAJOR GC_TMP_VERSION_MAJOR -# define GC_VERSION_MINOR GC_TMP_VERSION_MINOR -# define GC_ALPHA_VERSION GC_TMP_ALPHA_VERSION -#endif diff --git a/vendor/gc/include/include.am b/vendor/gc/include/include.am deleted file mode 100644 index 399e542..0000000 --- a/vendor/gc/include/include.am +++ /dev/null @@ -1,60 +0,0 @@ -# -# -# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. -# -# Permission is hereby granted to use or copy this program -# for any purpose, provided the above notices are retained on all copies. -# Permission to modify the code and to distribute modified code is granted, -# provided the above notices are retained, and a notice that the code was -# modified is included with the above copyright notice. -# -# Modified by: Grzegorz Jakacki -# Modified by: Petter Urkedal - -## Process this file with automake to produce part of Makefile.in. - -# installed headers -# -pkginclude_HEADERS += \ - include/gc.h \ - include/gc_typed.h \ - include/gc_inline.h \ - include/gc_mark.h \ - include/gc_cpp.h \ - include/weakpointer.h \ - include/new_gc_alloc.h \ - include/gc_allocator.h \ - include/gc_backptr.h \ - include/gc_gcj.h \ - include/leak_detector.h \ - include/gc_amiga_redirects.h \ - include/gc_pthread_redirects.h \ - include/gc_config_macros.h \ - include/gc_tiny_fl.h \ - include/gc_version.h - -# headers which are not installed -# -dist_noinst_HEADERS += \ - include/private/gc_hdrs.h \ - include/private/gc_priv.h \ - include/private/gcconfig.h \ - include/private/gc_pmark.h \ - include/private/gc_locks.h \ - include/private/dbg_mlc.h \ - include/private/specific.h \ - include/private/cord_pos.h \ - include/private/pthread_support.h \ - include/private/pthread_stop_world.h \ - include/private/darwin_semaphore.h \ - include/private/darwin_stop_world.h \ - include/private/thread_local_alloc.h \ - include/cord.h \ - include/ec.h \ - include/javaxfc.h - -# unprefixed header -include_HEADERS += \ - include/extra/gc.h \ - include/extra/gc_cpp.h diff --git a/vendor/gc/include/javaxfc.h b/vendor/gc/include/javaxfc.h deleted file mode 100644 index 23e0100..0000000 --- a/vendor/gc/include/javaxfc.h +++ /dev/null @@ -1,21 +0,0 @@ -# ifndef GC_H -# include "gc.h" -# endif - -/* - * Invoke all remaining finalizers that haven't yet been run. - * This is needed for strict compliance with the Java standard, - * which can make the runtime guarantee that all finalizers are run. - * This is problematic for several reasons: - * 1) It means that finalizers, and all methods calle by them, - * must be prepared to deal with objects that have been finalized in - * spite of the fact that they are still referenced by statically - * allocated pointer variables. - * 1) It may mean that we get stuck in an infinite loop running - * finalizers which create new finalizable objects, though that's - * probably unlikely. - * Thus this is not recommended for general use. - */ -void GC_finalize_all(); - - diff --git a/vendor/gc/include/leak_detector.h b/vendor/gc/include/leak_detector.h deleted file mode 100644 index 1d02f40..0000000 --- a/vendor/gc/include/leak_detector.h +++ /dev/null @@ -1,9 +0,0 @@ -#define GC_DEBUG -#include "gc.h" -#define malloc(n) GC_MALLOC(n) -#define calloc(m,n) GC_MALLOC((m)*(n)) -#define free(p) GC_FREE(p) -#define realloc(p,n) GC_REALLOC((p),(n)) -#undef strdup -#define strdup(s) GC_STRDUP((s)) -#define CHECK_LEAKS() GC_gcollect() diff --git a/vendor/gc/include/new_gc_alloc.h b/vendor/gc/include/new_gc_alloc.h deleted file mode 100644 index b4906af..0000000 --- a/vendor/gc/include/new_gc_alloc.h +++ /dev/null @@ -1,484 +0,0 @@ -/* - * Copyright (c) 1996-1998 by Silicon Graphics. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -// -// This is a revision of gc_alloc.h for SGI STL versions > 3.0 -// Unlike earlier versions, it supplements the standard "alloc.h" -// instead of replacing it. -// -// This is sloppy about variable names used in header files. -// It also doesn't yet understand the new header file names or -// namespaces. -// -// This assumes the collector has been compiled with -DATOMIC_UNCOLLECTABLE. -// The user should also consider -DREDIRECT_MALLOC=GC_uncollectable_malloc, -// to ensure that object allocated through malloc are traced. -// -// Some of this could be faster in the explicit deallocation case. -// In particular, we spend too much time clearing objects on the -// free lists. That could be avoided. -// -// This uses template classes with static members, and hence does not work -// with g++ 2.7.2 and earlier. -// -// Unlike its predecessor, this one simply defines -// gc_alloc -// single_client_gc_alloc -// traceable_alloc -// single_client_traceable_alloc -// -// It does not redefine alloc. Nor does it change the default allocator, -// though the user may wish to do so. (The argument against changing -// the default allocator is that it may introduce subtle link compatibility -// problems. The argument for changing it is that the usual default -// allocator is usually a very bad choice for a garbage collected environment.) -// -// This code assumes that the collector itself has been compiled with a -// compiler that defines __STDC__ . -// - -#ifndef GC_ALLOC_H - -#include "gc.h" - -#if (__GNUC__ < 3) -# include // A more portable way to get stl_alloc.h . -#else -# include -# ifndef __STL_BEGIN_NAMESPACE -# define __STL_BEGIN_NAMESPACE namespace std { -# define __STL_END_NAMESPACE }; -# endif -#ifndef __STL_USE_STD_ALLOCATORS -#define __STL_USE_STD_ALLOCATORS -#endif -#endif - -/* A hack to deal with gcc 3.1. If you are using gcc3.1 and later, */ -/* you should probably really use gc_allocator.h instead. */ -#if defined (__GNUC__) && \ - (__GNUC__ > 3 || (__GNUC__ == 3 && (__GNUC_MINOR__ >= 1))) -# define simple_alloc __simple_alloc -#endif - - - -#define GC_ALLOC_H - -#include -#include - -// The following need to match collector data structures. -// We can't include gc_priv.h, since that pulls in way too much stuff. -// This should eventually be factored out into another include file. - -extern "C" { - extern void ** const GC_objfreelist_ptr; - extern void ** const GC_aobjfreelist_ptr; - extern void ** const GC_uobjfreelist_ptr; - extern void ** const GC_auobjfreelist_ptr; - - extern void GC_incr_bytes_allocd(size_t bytes); - extern void GC_incr_mem_freed(size_t words); /* FIXME: use bytes */ - - extern char * GC_generic_malloc_words_small(size_t word, int kind); - /* FIXME: Doesn't exist anymore. */ -} - -// Object kinds; must match PTRFREE, NORMAL, UNCOLLECTABLE, and -// AUNCOLLECTABLE in gc_priv.h. - -enum { GC_PTRFREE = 0, GC_NORMAL = 1, GC_UNCOLLECTABLE = 2, - GC_AUNCOLLECTABLE = 3 }; - -enum { GC_max_fast_bytes = 255 }; - -enum { GC_bytes_per_word = sizeof(char *) }; - -enum { GC_byte_alignment = 8 }; - -enum { GC_word_alignment = GC_byte_alignment/GC_bytes_per_word }; - -inline void * &GC_obj_link(void * p) -{ return *reinterpret_cast(p); } - -// Compute a number of words >= n+1 bytes. -// The +1 allows for pointers one past the end. -inline size_t GC_round_up(size_t n) -{ - return ((n + GC_byte_alignment)/GC_byte_alignment)*GC_word_alignment; -} - -// The same but don't allow for extra byte. -inline size_t GC_round_up_uncollectable(size_t n) -{ - return ((n + GC_byte_alignment - 1)/GC_byte_alignment)*GC_word_alignment; -} - -template -class GC_aux_template { -public: - // File local count of allocated words. Occasionally this is - // added into the global count. A separate count is necessary since the - // real one must be updated with a procedure call. - static size_t GC_bytes_recently_allocd; - - // Same for uncollectable mmory. Not yet reflected in either - // GC_bytes_recently_allocd or GC_non_gc_bytes. - static size_t GC_uncollectable_bytes_recently_allocd; - - // Similar counter for explicitly deallocated memory. - static size_t GC_bytes_recently_freed; - - // Again for uncollectable memory. - static size_t GC_uncollectable_bytes_recently_freed; - - static void * GC_out_of_line_malloc(size_t nwords, int kind); -}; - -template -size_t GC_aux_template::GC_bytes_recently_allocd = 0; - -template -size_t GC_aux_template::GC_uncollectable_bytes_recently_allocd = 0; - -template -size_t GC_aux_template::GC_bytes_recently_freed = 0; - -template -size_t GC_aux_template::GC_uncollectable_bytes_recently_freed = 0; - -template -void * GC_aux_template::GC_out_of_line_malloc(size_t nwords, int kind) -{ - GC_bytes_recently_allocd += GC_uncollectable_bytes_recently_allocd; - GC_non_gc_bytes += - GC_uncollectable_bytes_recently_allocd; - GC_uncollectable_bytes_recently_allocd = 0; - - GC_bytes_recently_freed += GC_uncollectable_bytes_recently_freed; - GC_non_gc_bytes -= GC_uncollectable_bytes_recently_freed; - GC_uncollectable_bytes_recently_freed = 0; - - GC_incr_bytes_allocd(GC_bytes_recently_allocd); - GC_bytes_recently_allocd = 0; - - GC_incr_mem_freed(GC_bytes_per_word(GC_bytes_recently_freed)); - GC_bytes_recently_freed = 0; - - return GC_generic_malloc_words_small(nwords, kind); -} - -typedef GC_aux_template<0> GC_aux; - -// A fast, single-threaded, garbage-collected allocator -// We assume the first word will be immediately overwritten. -// In this version, deallocation is not a noop, and explicit -// deallocation is likely to help performance. -template -class single_client_gc_alloc_template { - public: - static void * allocate(size_t n) - { - size_t nwords = GC_round_up(n); - void ** flh; - void * op; - - if (n > GC_max_fast_bytes) return GC_malloc(n); - flh = GC_objfreelist_ptr + nwords; - if (0 == (op = *flh)) { - return GC_aux::GC_out_of_line_malloc(nwords, GC_NORMAL); - } - *flh = GC_obj_link(op); - GC_aux::GC_bytes_recently_allocd += nwords * GC_bytes_per_word; - return op; - } - static void * ptr_free_allocate(size_t n) - { - size_t nwords = GC_round_up(n); - void ** flh; - void * op; - - if (n > GC_max_fast_bytes) return GC_malloc_atomic(n); - flh = GC_aobjfreelist_ptr + nwords; - if (0 == (op = *flh)) { - return GC_aux::GC_out_of_line_malloc(nwords, GC_PTRFREE); - } - *flh = GC_obj_link(op); - GC_aux::GC_bytes_recently_allocd += nwords * GC_bytes_per_word; - return op; - } - static void deallocate(void *p, size_t n) - { - size_t nwords = GC_round_up(n); - void ** flh; - - if (n > GC_max_fast_bytes) { - GC_free(p); - } else { - flh = GC_objfreelist_ptr + nwords; - GC_obj_link(p) = *flh; - memset(reinterpret_cast(p) + GC_bytes_per_word, 0, - GC_bytes_per_word * (nwords - 1)); - *flh = p; - GC_aux::GC_bytes_recently_freed += nwords * GC_bytes_per_word; - } - } - static void ptr_free_deallocate(void *p, size_t n) - { - size_t nwords = GC_round_up(n); - void ** flh; - - if (n > GC_max_fast_bytes) { - GC_free(p); - } else { - flh = GC_aobjfreelist_ptr + nwords; - GC_obj_link(p) = *flh; - *flh = p; - GC_aux::GC_bytes_recently_freed += nwords * GC_bytes_per_word; - } - } -}; - -typedef single_client_gc_alloc_template<0> single_client_gc_alloc; - -// Once more, for uncollectable objects. -template -class single_client_traceable_alloc_template { - public: - static void * allocate(size_t n) - { - size_t nwords = GC_round_up_uncollectable(n); - void ** flh; - void * op; - - if (n > GC_max_fast_bytes) return GC_malloc_uncollectable(n); - flh = GC_uobjfreelist_ptr + nwords; - if (0 == (op = *flh)) { - return GC_aux::GC_out_of_line_malloc(nwords, GC_UNCOLLECTABLE); - } - *flh = GC_obj_link(op); - GC_aux::GC_uncollectable_bytes_recently_allocd += - nwords * GC_bytes_per_word; - return op; - } - static void * ptr_free_allocate(size_t n) - { - size_t nwords = GC_round_up_uncollectable(n); - void ** flh; - void * op; - - if (n > GC_max_fast_bytes) return GC_malloc_atomic_uncollectable(n); - flh = GC_auobjfreelist_ptr + nwords; - if (0 == (op = *flh)) { - return GC_aux::GC_out_of_line_malloc(nwords, GC_AUNCOLLECTABLE); - } - *flh = GC_obj_link(op); - GC_aux::GC_uncollectable_bytes_recently_allocd += - nwords * GC_bytes_per_word; - return op; - } - static void deallocate(void *p, size_t n) - { - size_t nwords = GC_round_up_uncollectable(n); - void ** flh; - - if (n > GC_max_fast_bytes) { - GC_free(p); - } else { - flh = GC_uobjfreelist_ptr + nwords; - GC_obj_link(p) = *flh; - *flh = p; - GC_aux::GC_uncollectable_bytes_recently_freed += - nwords * GC_bytes_per_word; - } - } - static void ptr_free_deallocate(void *p, size_t n) - { - size_t nwords = GC_round_up_uncollectable(n); - void ** flh; - - if (n > GC_max_fast_bytes) { - GC_free(p); - } else { - flh = GC_auobjfreelist_ptr + nwords; - GC_obj_link(p) = *flh; - *flh = p; - GC_aux::GC_uncollectable_bytes_recently_freed += - nwords * GC_bytes_per_word; - } - } -}; - -typedef single_client_traceable_alloc_template<0> single_client_traceable_alloc; - -template < int dummy > -class gc_alloc_template { - public: - static void * allocate(size_t n) { return GC_malloc(n); } - static void * ptr_free_allocate(size_t n) - { return GC_malloc_atomic(n); } - static void deallocate(void *, size_t) { } - static void ptr_free_deallocate(void *, size_t) { } -}; - -typedef gc_alloc_template < 0 > gc_alloc; - -template < int dummy > -class traceable_alloc_template { - public: - static void * allocate(size_t n) { return GC_malloc_uncollectable(n); } - static void * ptr_free_allocate(size_t n) - { return GC_malloc_atomic_uncollectable(n); } - static void deallocate(void *p, size_t) { GC_free(p); } - static void ptr_free_deallocate(void *p, size_t) { GC_free(p); } -}; - -typedef traceable_alloc_template < 0 > traceable_alloc; - -// We want to specialize simple_alloc so that it does the right thing -// for all pointerfree types. At the moment there is no portable way to -// even approximate that. The following approximation should work for -// SGI compilers, and recent versions of g++. - -# define __GC_SPECIALIZE(T,alloc) \ -class simple_alloc { \ -public: \ - static T *allocate(size_t n) \ - { return 0 == n? 0 : \ - reinterpret_cast(alloc::ptr_free_allocate(n * sizeof (T))); } \ - static T *allocate(void) \ - { return reinterpret_cast(alloc::ptr_free_allocate(sizeof (T))); } \ - static void deallocate(T *p, size_t n) \ - { if (0 != n) alloc::ptr_free_deallocate(p, n * sizeof (T)); } \ - static void deallocate(T *p) \ - { alloc::ptr_free_deallocate(p, sizeof (T)); } \ -}; - -__STL_BEGIN_NAMESPACE - -__GC_SPECIALIZE(char, gc_alloc) -__GC_SPECIALIZE(int, gc_alloc) -__GC_SPECIALIZE(unsigned, gc_alloc) -__GC_SPECIALIZE(float, gc_alloc) -__GC_SPECIALIZE(double, gc_alloc) - -__GC_SPECIALIZE(char, traceable_alloc) -__GC_SPECIALIZE(int, traceable_alloc) -__GC_SPECIALIZE(unsigned, traceable_alloc) -__GC_SPECIALIZE(float, traceable_alloc) -__GC_SPECIALIZE(double, traceable_alloc) - -__GC_SPECIALIZE(char, single_client_gc_alloc) -__GC_SPECIALIZE(int, single_client_gc_alloc) -__GC_SPECIALIZE(unsigned, single_client_gc_alloc) -__GC_SPECIALIZE(float, single_client_gc_alloc) -__GC_SPECIALIZE(double, single_client_gc_alloc) - -__GC_SPECIALIZE(char, single_client_traceable_alloc) -__GC_SPECIALIZE(int, single_client_traceable_alloc) -__GC_SPECIALIZE(unsigned, single_client_traceable_alloc) -__GC_SPECIALIZE(float, single_client_traceable_alloc) -__GC_SPECIALIZE(double, single_client_traceable_alloc) - -__STL_END_NAMESPACE - -#ifdef __STL_USE_STD_ALLOCATORS - -__STL_BEGIN_NAMESPACE - -template -struct _Alloc_traits<_Tp, gc_alloc > -{ - static const bool _S_instanceless = true; - typedef simple_alloc<_Tp, gc_alloc > _Alloc_type; - typedef __allocator<_Tp, gc_alloc > allocator_type; -}; - -inline bool operator==(const gc_alloc&, - const gc_alloc&) -{ - return true; -} - -inline bool operator!=(const gc_alloc&, - const gc_alloc&) -{ - return false; -} - -template -struct _Alloc_traits<_Tp, single_client_gc_alloc > -{ - static const bool _S_instanceless = true; - typedef simple_alloc<_Tp, single_client_gc_alloc > _Alloc_type; - typedef __allocator<_Tp, single_client_gc_alloc > allocator_type; -}; - -inline bool operator==(const single_client_gc_alloc&, - const single_client_gc_alloc&) -{ - return true; -} - -inline bool operator!=(const single_client_gc_alloc&, - const single_client_gc_alloc&) -{ - return false; -} - -template -struct _Alloc_traits<_Tp, traceable_alloc > -{ - static const bool _S_instanceless = true; - typedef simple_alloc<_Tp, traceable_alloc > _Alloc_type; - typedef __allocator<_Tp, traceable_alloc > allocator_type; -}; - -inline bool operator==(const traceable_alloc&, - const traceable_alloc&) -{ - return true; -} - -inline bool operator!=(const traceable_alloc&, - const traceable_alloc&) -{ - return false; -} - -template -struct _Alloc_traits<_Tp, single_client_traceable_alloc > -{ - static const bool _S_instanceless = true; - typedef simple_alloc<_Tp, single_client_traceable_alloc > _Alloc_type; - typedef __allocator<_Tp, single_client_traceable_alloc > allocator_type; -}; - -inline bool operator==(const single_client_traceable_alloc&, - const single_client_traceable_alloc&) -{ - return true; -} - -inline bool operator!=(const single_client_traceable_alloc&, - const single_client_traceable_alloc&) -{ - return false; -} - -__STL_END_NAMESPACE - -#endif /* __STL_USE_STD_ALLOCATORS */ - -#endif /* GC_ALLOC_H */ diff --git a/vendor/gc/include/private/cord_pos.h b/vendor/gc/include/private/cord_pos.h deleted file mode 100644 index d2b24bb..0000000 --- a/vendor/gc/include/private/cord_pos.h +++ /dev/null @@ -1,118 +0,0 @@ -/* - * Copyright (c) 1993-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, May 19, 1994 2:23 pm PDT */ -# ifndef CORD_POSITION_H - -/* The representation of CORD_position. This is private to the */ -/* implementation, but the size is known to clients. Also */ -/* the implementation of some exported macros relies on it. */ -/* Don't use anything defined here and not in cord.h. */ - -# define MAX_DEPTH 48 - /* The maximum depth of a balanced cord + 1. */ - /* We don't let cords get deeper than MAX_DEPTH. */ - -struct CORD_pe { - CORD pe_cord; - size_t pe_start_pos; -}; - -/* A structure describing an entry on the path from the root */ -/* to current position. */ -typedef struct CORD_Pos { - size_t cur_pos; - int path_len; -# define CORD_POS_INVALID (0x55555555) - /* path_len == INVALID <==> position invalid */ - const char *cur_leaf; /* Current leaf, if it is a string. */ - /* If the current leaf is a function, */ - /* then this may point to function_buf */ - /* containing the next few characters. */ - /* Always points to a valid string */ - /* containing the current character */ - /* unless cur_end is 0. */ - size_t cur_start; /* Start position of cur_leaf */ - size_t cur_end; /* Ending position of cur_leaf */ - /* 0 if cur_leaf is invalid. */ - struct CORD_pe path[MAX_DEPTH + 1]; - /* path[path_len] is the leaf corresponding to cur_pos */ - /* path[0].pe_cord is the cord we point to. */ -# define FUNCTION_BUF_SZ 8 - char function_buf[FUNCTION_BUF_SZ]; /* Space for next few chars */ - /* from function node. */ -} CORD_pos[1]; - -/* Extract the cord from a position: */ -CORD CORD_pos_to_cord(CORD_pos p); - -/* Extract the current index from a position: */ -size_t CORD_pos_to_index(CORD_pos p); - -/* Fetch the character located at the given position: */ -char CORD_pos_fetch(CORD_pos p); - -/* Initialize the position to refer to the give cord and index. */ -/* Note that this is the most expensive function on positions: */ -void CORD_set_pos(CORD_pos p, CORD x, size_t i); - -/* Advance the position to the next character. */ -/* P must be initialized and valid. */ -/* Invalidates p if past end: */ -void CORD_next(CORD_pos p); - -/* Move the position to the preceding character. */ -/* P must be initialized and valid. */ -/* Invalidates p if past beginning: */ -void CORD_prev(CORD_pos p); - -/* Is the position valid, i.e. inside the cord? */ -int CORD_pos_valid(CORD_pos p); - -char CORD__pos_fetch(CORD_pos); -void CORD__next(CORD_pos); -void CORD__prev(CORD_pos); - -#define CORD_pos_fetch(p) \ - (((p)[0].cur_end != 0)? \ - (p)[0].cur_leaf[(p)[0].cur_pos - (p)[0].cur_start] \ - : CORD__pos_fetch(p)) - -#define CORD_next(p) \ - (((p)[0].cur_pos + 1 < (p)[0].cur_end)? \ - (p)[0].cur_pos++ \ - : (CORD__next(p), 0)) - -#define CORD_prev(p) \ - (((p)[0].cur_end != 0 && (p)[0].cur_pos > (p)[0].cur_start)? \ - (p)[0].cur_pos-- \ - : (CORD__prev(p), 0)) - -#define CORD_pos_to_index(p) ((p)[0].cur_pos) - -#define CORD_pos_to_cord(p) ((p)[0].path[0].pe_cord) - -#define CORD_pos_valid(p) ((p)[0].path_len != CORD_POS_INVALID) - -/* Some grubby stuff for performance-critical friends: */ -#define CORD_pos_chars_left(p) ((long)((p)[0].cur_end) - (long)((p)[0].cur_pos)) - /* Number of characters in cache. <= 0 ==> none */ - -#define CORD_pos_advance(p,n) ((p)[0].cur_pos += (n) - 1, CORD_next(p)) - /* Advance position by n characters */ - /* 0 < n < CORD_pos_chars_left(p) */ - -#define CORD_pos_cur_char_addr(p) \ - (p)[0].cur_leaf + ((p)[0].cur_pos - (p)[0].cur_start) - /* address of current character in cache. */ - -#endif diff --git a/vendor/gc/include/private/darwin_semaphore.h b/vendor/gc/include/private/darwin_semaphore.h deleted file mode 100644 index 0f43982..0000000 --- a/vendor/gc/include/private/darwin_semaphore.h +++ /dev/null @@ -1,68 +0,0 @@ -#ifndef GC_DARWIN_SEMAPHORE_H -#define GC_DARWIN_SEMAPHORE_H - -#if !defined(GC_DARWIN_THREADS) -#error darwin_semaphore.h included with GC_DARWIN_THREADS not defined -#endif - -/* - This is a very simple semaphore implementation for darwin. It - is implemented in terms of pthreads calls so it isn't async signal - safe. This isn't a problem because signals aren't used to - suspend threads on darwin. -*/ - -typedef struct { - pthread_mutex_t mutex; - pthread_cond_t cond; - int value; -} sem_t; - -static int sem_init(sem_t *sem, int pshared, int value) { - int ret; - if(pshared) - GC_abort("sem_init with pshared set"); - sem->value = value; - - ret = pthread_mutex_init(&sem->mutex,NULL); - if(ret < 0) return -1; - ret = pthread_cond_init(&sem->cond,NULL); - if(ret < 0) return -1; - return 0; -} - -static int sem_post(sem_t *sem) { - if(pthread_mutex_lock(&sem->mutex) < 0) - return -1; - sem->value++; - if(pthread_cond_signal(&sem->cond) < 0) { - pthread_mutex_unlock(&sem->mutex); - return -1; - } - if(pthread_mutex_unlock(&sem->mutex) < 0) - return -1; - return 0; -} - -static int sem_wait(sem_t *sem) { - if(pthread_mutex_lock(&sem->mutex) < 0) - return -1; - while(sem->value == 0) { - pthread_cond_wait(&sem->cond,&sem->mutex); - } - sem->value--; - if(pthread_mutex_unlock(&sem->mutex) < 0) - return -1; - return 0; -} - -static int sem_destroy(sem_t *sem) { - int ret; - ret = pthread_cond_destroy(&sem->cond); - if(ret < 0) return -1; - ret = pthread_mutex_destroy(&sem->mutex); - if(ret < 0) return -1; - return 0; -} - -#endif diff --git a/vendor/gc/include/private/darwin_stop_world.h b/vendor/gc/include/private/darwin_stop_world.h deleted file mode 100644 index f6f5314..0000000 --- a/vendor/gc/include/private/darwin_stop_world.h +++ /dev/null @@ -1,22 +0,0 @@ -#ifndef GC_DARWIN_STOP_WORLD_H -#define GC_DARWIN_STOP_WORLD_H - -#if !defined(GC_DARWIN_THREADS) -#error darwin_stop_world.h included without GC_DARWIN_THREADS defined -#endif - -#include -#include - -struct thread_stop_info { - mach_port_t mach_thread; -}; - -struct GC_mach_thread { - thread_act_t thread; - int already_suspended; -}; - -void GC_darwin_register_mach_handler_thread(mach_port_t thread); - -#endif diff --git a/vendor/gc/include/private/dbg_mlc.h b/vendor/gc/include/private/dbg_mlc.h deleted file mode 100644 index fcd027c..0000000 --- a/vendor/gc/include/private/dbg_mlc.h +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright (c) 1997 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* - * This is mostly an internal header file. Typical clients should - * not use it. Clients that define their own object kinds with - * debugging allocators will probably want to include this, however. - * No attempt is made to keep the namespace clean. This should not be - * included from header files that are frequently included by clients. - */ - -#ifndef _DBG_MLC_H - -#define _DBG_MLC_H - -# define I_HIDE_POINTERS -# include "gc_priv.h" -# ifdef KEEP_BACK_PTRS -# include "gc_backptr.h" -# endif - -#ifndef HIDE_POINTER - /* Gc.h was previously included, and hence the I_HIDE_POINTERS */ - /* definition had no effect. Repeat the gc.h definitions here to */ - /* get them anyway. */ - typedef GC_word GC_hidden_pointer; -# define HIDE_POINTER(p) (~(GC_hidden_pointer)(p)) -# define REVEAL_POINTER(p) ((void *)(HIDE_POINTER(p))) -#endif /* HIDE_POINTER */ - -# define START_FLAG ((word)0xfedcedcb) -# define END_FLAG ((word)0xbcdecdef) - /* Stored both one past the end of user object, and one before */ - /* the end of the object as seen by the allocator. */ - -# if defined(KEEP_BACK_PTRS) || defined(PRINT_BLACK_LIST) \ - || defined(MAKE_BACK_GRAPH) - /* Pointer "source"s that aren't real locations. */ - /* Used in oh_back_ptr fields and as "source" */ - /* argument to some marking functions. */ -# define NOT_MARKED (ptr_t)(0) -# define MARKED_FOR_FINALIZATION (ptr_t)(2) - /* Object was marked because it is finalizable. */ -# define MARKED_FROM_REGISTER (ptr_t)(4) - /* Object was marked from a rgister. Hence the */ - /* source of the reference doesn't have an address. */ -# endif /* KEEP_BACK_PTRS || PRINT_BLACK_LIST */ - -/* Object header */ -typedef struct { -# if defined(KEEP_BACK_PTRS) || defined(MAKE_BACK_GRAPH) - /* We potentially keep two different kinds of back */ - /* pointers. KEEP_BACK_PTRS stores a single back */ - /* pointer in each reachable object to allow reporting */ - /* of why an object was retained. MAKE_BACK_GRAPH */ - /* builds a graph containing the inverse of all */ - /* "points-to" edges including those involving */ - /* objects that have just become unreachable. This */ - /* allows detection of growing chains of unreachable */ - /* objects. It may be possible to eventually combine */ - /* both, but for now we keep them separate. Both */ - /* kinds of back pointers are hidden using the */ - /* following macros. In both cases, the plain version */ - /* is constrained to have an least significant bit of 1,*/ - /* to allow it to be distinguished from a free list */ - /* link. This means the plain version must have an */ - /* lsb of 0. */ - /* Note that blocks dropped by black-listing will */ - /* also have the lsb clear once debugging has */ - /* started. */ - /* We're careful never to overwrite a value with lsb 0. */ -# if ALIGNMENT == 1 - /* Fudge back pointer to be even. */ -# define HIDE_BACK_PTR(p) HIDE_POINTER(~1 & (GC_word)(p)) -# else -# define HIDE_BACK_PTR(p) HIDE_POINTER(p) -# endif - -# ifdef KEEP_BACK_PTRS - GC_hidden_pointer oh_back_ptr; -# endif -# ifdef MAKE_BACK_GRAPH - GC_hidden_pointer oh_bg_ptr; -# endif -# if defined(KEEP_BACK_PTRS) != defined(MAKE_BACK_GRAPH) - /* Keep double-pointer-sized alignment. */ - word oh_dummy; -# endif -# endif - const char * oh_string; /* object descriptor string */ - word oh_int; /* object descriptor integers */ -# ifdef NEED_CALLINFO - struct callinfo oh_ci[NFRAMES]; -# endif -# ifndef SHORT_DBG_HDRS - word oh_sz; /* Original malloc arg. */ - word oh_sf; /* start flag */ -# endif /* SHORT_DBG_HDRS */ -} oh; -/* The size of the above structure is assumed not to dealign things, */ -/* and to be a multiple of the word length. */ - -#ifdef SHORT_DBG_HDRS -# define DEBUG_BYTES (sizeof (oh)) -# define UNCOLLECTABLE_DEBUG_BYTES DEBUG_BYTES -#else - /* Add space for END_FLAG, but use any extra space that was already */ - /* added to catch off-the-end pointers. */ - /* For uncollectable objects, the extra byte is not added. */ -# define UNCOLLECTABLE_DEBUG_BYTES (sizeof (oh) + sizeof (word)) -# define DEBUG_BYTES (UNCOLLECTABLE_DEBUG_BYTES - EXTRA_BYTES) -#endif - -/* Round bytes to words without adding extra byte at end. */ -#define SIMPLE_ROUNDED_UP_WORDS(n) BYTES_TO_WORDS((n) + WORDS_TO_BYTES(1) - 1) - -/* ADD_CALL_CHAIN stores a (partial) call chain into an object */ -/* header. It may be called with or without the allocation */ -/* lock. */ -/* PRINT_CALL_CHAIN prints the call chain stored in an object */ -/* to stderr. It requires that we do not hold the lock. */ -#if defined(SAVE_CALL_CHAIN) - struct callinfo; - void GC_save_callers(struct callinfo info[NFRAMES]); - void GC_print_callers(struct callinfo info[NFRAMES]); -# define ADD_CALL_CHAIN(base, ra) GC_save_callers(((oh *)(base)) -> oh_ci) -# define PRINT_CALL_CHAIN(base) GC_print_callers(((oh *)(base)) -> oh_ci) -#elif defined(GC_ADD_CALLER) - struct callinfo; - void GC_print_callers(struct callinfo info[NFRAMES]); -# define ADD_CALL_CHAIN(base, ra) ((oh *)(base)) -> oh_ci[0].ci_pc = (ra) -# define PRINT_CALL_CHAIN(base) GC_print_callers(((oh *)(base)) -> oh_ci) -#else -# define ADD_CALL_CHAIN(base, ra) -# define PRINT_CALL_CHAIN(base) -#endif - -# ifdef GC_ADD_CALLER -# define OPT_RA ra, -# else -# define OPT_RA -# endif - - -/* Check whether object with base pointer p has debugging info */ -/* p is assumed to point to a legitimate object in our part */ -/* of the heap. */ -#ifdef SHORT_DBG_HDRS -# define GC_has_other_debug_info(p) TRUE -#else - GC_bool GC_has_other_debug_info(/* p */); -#endif - -#if defined(KEEP_BACK_PTRS) || defined(MAKE_BACK_GRAPH) -# define GC_HAS_DEBUG_INFO(p) \ - ((*((word *)p) & 1) && GC_has_other_debug_info(p)) -#else -# define GC_HAS_DEBUG_INFO(p) GC_has_other_debug_info(p) -#endif - -/* Store debugging info into p. Return displaced pointer. */ -/* Assumes we don't hold allocation lock. */ -ptr_t GC_store_debug_info(/* p, sz, string, integer */); - -#endif /* _DBG_MLC_H */ diff --git a/vendor/gc/include/private/gc_hdrs.h b/vendor/gc/include/private/gc_hdrs.h deleted file mode 100644 index 559556c..0000000 --- a/vendor/gc/include/private/gc_hdrs.h +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, July 11, 1995 11:54 am PDT */ -# ifndef GC_HEADERS_H -# define GC_HEADERS_H -typedef struct hblkhdr hdr; - -# if CPP_WORDSZ != 32 && CPP_WORDSZ < 36 - --> Get a real machine. -# endif - -/* - * The 2 level tree data structure that is used to find block headers. - * If there are more than 32 bits in a pointer, the top level is a hash - * table. - * - * This defines HDR, GET_HDR, and SET_HDR, the main macros used to - * retrieve and set object headers. - * - * We take advantage of a header lookup - * cache. This is a locally declared direct mapped cache, used inside - * the marker. The HC_GET_HDR macro uses and maintains this - * cache. Assuming we get reasonable hit rates, this shaves a few - * memory references from each pointer validation. - */ - -# if CPP_WORDSZ > 32 -# define HASH_TL -# endif - -/* Define appropriate out-degrees for each of the two tree levels */ -# ifdef SMALL_CONFIG -# define LOG_BOTTOM_SZ 11 - /* Keep top index size reasonable with smaller blocks. */ -# else -# define LOG_BOTTOM_SZ 10 -# endif -# ifndef HASH_TL -# define LOG_TOP_SZ (WORDSZ - LOG_BOTTOM_SZ - LOG_HBLKSIZE) -# else -# define LOG_TOP_SZ 11 -# endif -# define TOP_SZ (1 << LOG_TOP_SZ) -# define BOTTOM_SZ (1 << LOG_BOTTOM_SZ) - -#ifndef SMALL_CONFIG -# define USE_HDR_CACHE -#endif - -/* #define COUNT_HDR_CACHE_HITS */ - -# ifdef COUNT_HDR_CACHE_HITS - extern word GC_hdr_cache_hits; - extern word GC_hdr_cache_misses; -# define HC_HIT() ++GC_hdr_cache_hits -# define HC_MISS() ++GC_hdr_cache_misses -# else -# define HC_HIT() -# define HC_MISS() -# endif - - typedef struct hce { - word block_addr; /* right shifted by LOG_HBLKSIZE */ - hdr * hce_hdr; - } hdr_cache_entry; - -# define HDR_CACHE_SIZE 8 /* power of 2 */ - -# define DECLARE_HDR_CACHE \ - hdr_cache_entry hdr_cache[HDR_CACHE_SIZE] - -# define INIT_HDR_CACHE BZERO(hdr_cache, sizeof(hdr_cache)) - -# define HCE(h) hdr_cache + (((word)(h) >> LOG_HBLKSIZE) & (HDR_CACHE_SIZE-1)) - -# define HCE_VALID_FOR(hce,h) ((hce) -> block_addr == \ - ((word)(h) >> LOG_HBLKSIZE)) - -# define HCE_HDR(h) ((hce) -> hce_hdr) - -#ifdef PRINT_BLACK_LIST - hdr * GC_header_cache_miss(ptr_t p, hdr_cache_entry *hce, ptr_t source); -# define HEADER_CACHE_MISS(p, hce, source) \ - GC_header_cache_miss(p, hce, source) -#else - hdr * GC_header_cache_miss(ptr_t p, hdr_cache_entry *hce); -# define HEADER_CACHE_MISS(p, hce, source) GC_header_cache_miss(p, hce) -#endif - -/* Set hhdr to the header for p. Analogous to GET_HDR below, */ -/* except that in the case of large objects, it */ -/* gets the header for the object beginning, if GC_all_interior_ptrs */ -/* is set. */ -/* Returns zero if p points to somewhere other than the first page */ -/* of an object, and it is not a valid pointer to the object. */ -# define HC_GET_HDR(p, hhdr, source, exit_label) \ - { \ - hdr_cache_entry * hce = HCE(p); \ - if (EXPECT(HCE_VALID_FOR(hce, p), 1)) { \ - HC_HIT(); \ - hhdr = hce -> hce_hdr; \ - } else { \ - hhdr = HEADER_CACHE_MISS(p, hce, source); \ - if (0 == hhdr) goto exit_label; \ - } \ - } - -typedef struct bi { - hdr * index[BOTTOM_SZ]; - /* - * The bottom level index contains one of three kinds of values: - * 0 means we're not responsible for this block, - * or this is a block other than the first one in a free block. - * 1 < (long)X <= MAX_JUMP means the block starts at least - * X * HBLKSIZE bytes before the current address. - * A valid pointer points to a hdr structure. (The above can't be - * valid pointers due to the GET_MEM return convention.) - */ - struct bi * asc_link; /* All indices are linked in */ - /* ascending order... */ - struct bi * desc_link; /* ... and in descending order. */ - word key; /* high order address bits. */ -# ifdef HASH_TL - struct bi * hash_link; /* Hash chain link. */ -# endif -} bottom_index; - -/* extern bottom_index GC_all_nils; - really part of GC_arrays */ - -/* extern bottom_index * GC_top_index []; - really part of GC_arrays */ - /* Each entry points to a bottom_index. */ - /* On a 32 bit machine, it points to */ - /* the index for a set of high order */ - /* bits equal to the index. For longer */ - /* addresses, we hash the high order */ - /* bits to compute the index in */ - /* GC_top_index, and each entry points */ - /* to a hash chain. */ - /* The last entry in each chain is */ - /* GC_all_nils. */ - - -# define MAX_JUMP (HBLKSIZE - 1) - -# define HDR_FROM_BI(bi, p) \ - ((bi)->index[((word)(p) >> LOG_HBLKSIZE) & (BOTTOM_SZ - 1)]) -# ifndef HASH_TL -# define BI(p) (GC_top_index \ - [(word)(p) >> (LOG_BOTTOM_SZ + LOG_HBLKSIZE)]) -# define HDR_INNER(p) HDR_FROM_BI(BI(p),p) -# ifdef SMALL_CONFIG -# define HDR(p) GC_find_header((ptr_t)(p)) -# else -# define HDR(p) HDR_INNER(p) -# endif -# define GET_BI(p, bottom_indx) (bottom_indx) = BI(p) -# define GET_HDR(p, hhdr) (hhdr) = HDR(p) -# define SET_HDR(p, hhdr) HDR_INNER(p) = (hhdr) -# define GET_HDR_ADDR(p, ha) (ha) = &(HDR_INNER(p)) -# else /* hash */ -/* Hash function for tree top level */ -# define TL_HASH(hi) ((hi) & (TOP_SZ - 1)) -/* Set bottom_indx to point to the bottom index for address p */ -# define GET_BI(p, bottom_indx) \ - { \ - register word hi = \ - (word)(p) >> (LOG_BOTTOM_SZ + LOG_HBLKSIZE); \ - register bottom_index * _bi = GC_top_index[TL_HASH(hi)]; \ - \ - while (_bi -> key != hi && _bi != GC_all_nils) \ - _bi = _bi -> hash_link; \ - (bottom_indx) = _bi; \ - } -# define GET_HDR_ADDR(p, ha) \ - { \ - register bottom_index * bi; \ - \ - GET_BI(p, bi); \ - (ha) = &(HDR_FROM_BI(bi, p)); \ - } -# define GET_HDR(p, hhdr) { register hdr ** _ha; GET_HDR_ADDR(p, _ha); \ - (hhdr) = *_ha; } -# define SET_HDR(p, hhdr) { register hdr ** _ha; GET_HDR_ADDR(p, _ha); \ - *_ha = (hhdr); } -# define HDR(p) GC_find_header((ptr_t)(p)) -# endif - -/* Is the result a forwarding address to someplace closer to the */ -/* beginning of the block or NIL? */ -# define IS_FORWARDING_ADDR_OR_NIL(hhdr) ((size_t) (hhdr) <= MAX_JUMP) - -/* Get an HBLKSIZE aligned address closer to the beginning of the block */ -/* h. Assumes hhdr == HDR(h) and IS_FORWARDING_ADDR(hhdr). */ -# define FORWARDED_ADDR(h, hhdr) ((struct hblk *)(h) - (size_t)(hhdr)) -# endif /* GC_HEADERS_H */ diff --git a/vendor/gc/include/private/gc_locks.h b/vendor/gc/include/private/gc_locks.h deleted file mode 100644 index d11044b..0000000 --- a/vendor/gc/include/private/gc_locks.h +++ /dev/null @@ -1,210 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -#ifndef GC_LOCKS_H -#define GC_LOCKS_H - -/* - * Mutual exclusion between allocator/collector routines. - * Needed if there is more than one allocator thread. - * DCL_LOCK_STATE declares any local variables needed by LOCK and UNLOCK. - * - * Note that I_HOLD_LOCK and I_DONT_HOLD_LOCK are used only positively - * in assertions, and may return TRUE in the "dont know" case. - */ -# ifdef THREADS -# include - - void GC_noop1(word); -# ifdef PCR -# include -# include - extern PCR_Th_ML GC_allocate_ml; -# define DCL_LOCK_STATE \ - PCR_ERes GC_fastLockRes; PCR_sigset_t GC_old_sig_mask -# define UNCOND_LOCK() PCR_Th_ML_Acquire(&GC_allocate_ml) -# define UNCOND_UNLOCK() PCR_Th_ML_Release(&GC_allocate_ml) -# endif - -# if !defined(AO_HAVE_test_and_set_acquire) && defined(GC_PTHREADS) -# define USE_PTHREAD_LOCKS -# endif - -# if defined(GC_WIN32_THREADS) && defined(GC_PTHREADS) -# define USE_PTHREAD_LOCKS -# endif - -# if defined(GC_WIN32_THREADS) && !defined(USE_PTHREAD_LOCKS) -# include -# define NO_THREAD (DWORD)(-1) - extern DWORD GC_lock_holder; - GC_API CRITICAL_SECTION GC_allocate_ml; -# ifdef GC_ASSERTIONS -# define UNCOND_LOCK() \ - { EnterCriticalSection(&GC_allocate_ml); \ - SET_LOCK_HOLDER(); } -# define UNCOND_UNLOCK() \ - { GC_ASSERT(I_HOLD_LOCK()); UNSET_LOCK_HOLDER(); \ - LeaveCriticalSection(&GC_allocate_ml); } -# else -# define UNCOND_LOCK() EnterCriticalSection(&GC_allocate_ml); -# define UNCOND_UNLOCK() LeaveCriticalSection(&GC_allocate_ml); -# endif /* !GC_ASSERTIONS */ -# define SET_LOCK_HOLDER() GC_lock_holder = GetCurrentThreadId() -# define UNSET_LOCK_HOLDER() GC_lock_holder = NO_THREAD -# define I_HOLD_LOCK() (!GC_need_to_lock \ - || GC_lock_holder == GetCurrentThreadId()) -# define I_DONT_HOLD_LOCK() (!GC_need_to_lock \ - || GC_lock_holder != GetCurrentThreadId()) -# elif defined(GC_PTHREADS) -# include - - /* Posix allows pthread_t to be a struct, though it rarely is. */ - /* Unfortunately, we need to use a pthread_t to index a data */ - /* structure. It also helps if comparisons don't involve a */ - /* function call. Hence we introduce platform-dependent macros */ - /* to compare pthread_t ids and to map them to integers. */ - /* the mapping to integers does not need to result in different */ - /* integers for each thread, though that should be true as much */ - /* as possible. */ - /* Refine to exclude platforms on which pthread_t is struct */ -# if !defined(GC_WIN32_PTHREADS) -# define NUMERIC_THREAD_ID(id) ((unsigned long)(id)) -# define THREAD_EQUAL(id1, id2) ((id1) == (id2)) -# define NUMERIC_THREAD_ID_UNIQUE -# else -# if defined(GC_WIN32_PTHREADS) -# define NUMERIC_THREAD_ID(id) ((unsigned long)(id.p)) - /* Using documented internal details of win32_pthread library. */ - /* Faster than pthread_equal(). Should not change with */ - /* future versions of win32_pthread library. */ -# define THREAD_EQUAL(id1, id2) ((id1.p == id2.p) && (id1.x == id2.x)) -# undef NUMERIC_THREAD_ID_UNIQUE -# else - /* Generic definitions that always work, but will result in */ - /* poor performance and weak assertion checking. */ -# define NUMERIC_THREAD_ID(id) 1l -# define THREAD_EQUAL(id1, id2) pthread_equal(id1, id2) -# undef NUMERIC_THREAD_ID_UNIQUE -# endif -# endif -# define NO_THREAD ((unsigned long)(-1l)) - /* != NUMERIC_THREAD_ID(pthread_self()) for any thread */ - -# if !defined(THREAD_LOCAL_ALLOC) && !defined(USE_PTHREAD_LOCKS) - /* In the THREAD_LOCAL_ALLOC case, the allocation lock tends to */ - /* be held for long periods, if it is held at all. Thus spinning */ - /* and sleeping for fixed periods are likely to result in */ - /* significant wasted time. We thus rely mostly on queued locks. */ -# define USE_SPIN_LOCK - extern volatile AO_TS_t GC_allocate_lock; - extern void GC_lock(void); - /* Allocation lock holder. Only set if acquired by client through */ - /* GC_call_with_alloc_lock. */ -# ifdef GC_ASSERTIONS -# define UNCOND_LOCK() \ - { if (AO_test_and_set_acquire(&GC_allocate_lock) == AO_TS_SET) \ - GC_lock(); \ - SET_LOCK_HOLDER(); } -# define UNCOND_UNLOCK() \ - { GC_ASSERT(I_HOLD_LOCK()); UNSET_LOCK_HOLDER(); \ - AO_CLEAR(&GC_allocate_lock); } -# else -# define UNCOND_LOCK() \ - { if (AO_test_and_set_acquire(&GC_allocate_lock) == AO_TS_SET) \ - GC_lock(); } -# define UNCOND_UNLOCK() \ - AO_CLEAR(&GC_allocate_lock) -# endif /* !GC_ASSERTIONS */ -# else /* THREAD_LOCAL_ALLOC || USE_PTHREAD_LOCKS */ -# ifndef USE_PTHREAD_LOCKS -# define USE_PTHREAD_LOCKS -# endif -# endif /* THREAD_LOCAL_ALLOC || USE_PTHREAD_LOCK */ -# ifdef USE_PTHREAD_LOCKS -# include - extern pthread_mutex_t GC_allocate_ml; -# ifdef GC_ASSERTIONS -# define UNCOND_LOCK() \ - { GC_lock(); \ - SET_LOCK_HOLDER(); } -# define UNCOND_UNLOCK() \ - { GC_ASSERT(I_HOLD_LOCK()); UNSET_LOCK_HOLDER(); \ - pthread_mutex_unlock(&GC_allocate_ml); } -# else /* !GC_ASSERTIONS */ -# if defined(NO_PTHREAD_TRYLOCK) -# define UNCOND_LOCK() GC_lock(); -# else /* !defined(NO_PTHREAD_TRYLOCK) */ -# define UNCOND_LOCK() \ - { if (0 != pthread_mutex_trylock(&GC_allocate_ml)) GC_lock(); } -# endif -# define UNCOND_UNLOCK() pthread_mutex_unlock(&GC_allocate_ml) -# endif /* !GC_ASSERTIONS */ -# endif /* USE_PTHREAD_LOCKS */ -# define SET_LOCK_HOLDER() \ - GC_lock_holder = NUMERIC_THREAD_ID(pthread_self()) -# define UNSET_LOCK_HOLDER() GC_lock_holder = NO_THREAD -# define I_HOLD_LOCK() \ - (!GC_need_to_lock || \ - GC_lock_holder == NUMERIC_THREAD_ID(pthread_self())) -# ifndef NUMERIC_THREAD_ID_UNIQUE -# define I_DONT_HOLD_LOCK() 1 /* Conservatively say yes */ -# else -# define I_DONT_HOLD_LOCK() \ - (!GC_need_to_lock \ - || GC_lock_holder != NUMERIC_THREAD_ID(pthread_self())) -# endif - extern volatile GC_bool GC_collecting; -# define ENTER_GC() GC_collecting = 1; -# define EXIT_GC() GC_collecting = 0; - extern void GC_lock(void); - extern unsigned long GC_lock_holder; -# ifdef GC_ASSERTIONS - extern unsigned long GC_mark_lock_holder; -# endif -# endif /* GC_PTHREADS with linux_threads.c implementation */ - - -# else /* !THREADS */ -# define LOCK() -# define UNLOCK() -# define SET_LOCK_HOLDER() -# define UNSET_LOCK_HOLDER() -# define I_HOLD_LOCK() TRUE -# define I_DONT_HOLD_LOCK() TRUE - /* Used only in positive assertions or to test whether */ - /* we still need to acaquire the lock. TRUE works in */ - /* either case. */ -# endif /* !THREADS */ - -#if defined(UNCOND_LOCK) && !defined(LOCK) - GC_API GC_bool GC_need_to_lock; - /* At least two thread running; need to lock. */ -# define LOCK() if (GC_need_to_lock) { UNCOND_LOCK(); } -# define UNLOCK() if (GC_need_to_lock) { UNCOND_UNLOCK(); } -#endif - -# ifndef ENTER_GC -# define ENTER_GC() -# define EXIT_GC() -# endif - -# ifndef DCL_LOCK_STATE -# define DCL_LOCK_STATE -# endif - -#endif /* GC_LOCKS_H */ diff --git a/vendor/gc/include/private/gc_pmark.h b/vendor/gc/include/private/gc_pmark.h deleted file mode 100644 index 81c260b..0000000 --- a/vendor/gc/include/private/gc_pmark.h +++ /dev/null @@ -1,493 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 2001 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -/* Private declarations of GC marker data structures and macros */ - -/* - * Declarations of mark stack. Needed by marker and client supplied mark - * routines. Transitively include gc_priv.h. - * (Note that gc_priv.h should not be included before this, since this - * includes dbg_mlc.h, which wants to include gc_priv.h AFTER defining - * I_HIDE_POINTERS.) - */ -#ifndef GC_PMARK_H -# define GC_PMARK_H - -# if defined(KEEP_BACK_PTRS) || defined(PRINT_BLACK_LIST) -# include "dbg_mlc.h" -# endif -# ifndef GC_MARK_H -# include "../gc_mark.h" -# endif -# ifndef GC_PRIVATE_H -# include "gc_priv.h" -# endif - -/* The real declarations of the following is in gc_priv.h, so that */ -/* we can avoid scanning the following table. */ -/* -extern mark_proc GC_mark_procs[MAX_MARK_PROCS]; -*/ - -/* - * Mark descriptor stuff that should remain private for now, mostly - * because it's hard to export WORDSZ without including gcconfig.h. - */ -# define BITMAP_BITS (WORDSZ - GC_DS_TAG_BITS) -# define PROC(descr) \ - (GC_mark_procs[((descr) >> GC_DS_TAG_BITS) & (GC_MAX_MARK_PROCS-1)]) -# define ENV(descr) \ - ((descr) >> (GC_DS_TAG_BITS + GC_LOG_MAX_MARK_PROCS)) -# define MAX_ENV \ - (((word)1 << (WORDSZ - GC_DS_TAG_BITS - GC_LOG_MAX_MARK_PROCS)) - 1) - - -extern unsigned GC_n_mark_procs; - -/* Number of mark stack entries to discard on overflow. */ -#define GC_MARK_STACK_DISCARDS (INITIAL_MARK_STACK_SIZE/8) - -typedef struct GC_ms_entry { - ptr_t mse_start; /* First word of object, word aligned */ - GC_word mse_descr; /* Descriptor; low order two bits are tags, */ - /* as described in gc_mark.h. */ -} mse; - -extern size_t GC_mark_stack_size; - -extern mse * GC_mark_stack_limit; - -#ifdef PARALLEL_MARK - extern mse * volatile GC_mark_stack_top; -#else - extern mse * GC_mark_stack_top; -#endif - -extern mse * GC_mark_stack; - -#ifdef PARALLEL_MARK - /* - * Allow multiple threads to participate in the marking process. - * This works roughly as follows: - * The main mark stack never shrinks, but it can grow. - * - * The initiating threads holds the GC lock, and sets GC_help_wanted. - * - * Other threads: - * 1) update helper_count (while holding mark_lock.) - * 2) allocate a local mark stack - * repeatedly: - * 3) Steal a global mark stack entry by atomically replacing - * its descriptor with 0. - * 4) Copy it to the local stack. - * 5) Mark on the local stack until it is empty, or - * it may be profitable to copy it back. - * 6) If necessary, copy local stack to global one, - * holding mark lock. - * 7) Stop when the global mark stack is empty. - * 8) decrement helper_count (holding mark_lock). - * - * This is an experiment to see if we can do something along the lines - * of the University of Tokyo SGC in a less intrusive, though probably - * also less performant, way. - */ - void GC_do_parallel_mark(); - /* inititate parallel marking. */ - - extern GC_bool GC_help_wanted; /* Protected by mark lock */ - extern unsigned GC_helper_count; /* Number of running helpers. */ - /* Protected by mark lock */ - extern unsigned GC_active_count; /* Number of active helpers. */ - /* Protected by mark lock */ - /* May increase and decrease */ - /* within each mark cycle. But */ - /* once it returns to 0, it */ - /* stays zero for the cycle. */ - /* GC_mark_stack_top is also protected by mark lock. */ - /* - * GC_notify_all_marker() is used when GC_help_wanted is first set, - * when the last helper becomes inactive, - * when something is added to the global mark stack, and just after - * GC_mark_no is incremented. - * This could be split into multiple CVs (and probably should be to - * scale to really large numbers of processors.) - */ -#endif /* PARALLEL_MARK */ - -/* Return a pointer to within 1st page of object. */ -/* Set *new_hdr_p to corr. hdr. */ -ptr_t GC_find_start(ptr_t current, hdr *hhdr, hdr **new_hdr_p); - -mse * GC_signal_mark_stack_overflow(mse *msp); - -/* Push the object obj with corresponding heap block header hhdr onto */ -/* the mark stack. */ -# define PUSH_OBJ(obj, hhdr, mark_stack_top, mark_stack_limit) \ -{ \ - register word _descr = (hhdr) -> hb_descr; \ - \ - if (_descr != 0) { \ - mark_stack_top++; \ - if (mark_stack_top >= mark_stack_limit) { \ - mark_stack_top = GC_signal_mark_stack_overflow(mark_stack_top); \ - } \ - mark_stack_top -> mse_start = (obj); \ - mark_stack_top -> mse_descr = _descr; \ - } \ -} - -/* Push the contents of current onto the mark stack if it is a valid */ -/* ptr to a currently unmarked object. Mark it. */ -/* If we assumed a standard-conforming compiler, we could probably */ -/* generate the exit_label transparently. */ -# define PUSH_CONTENTS(current, mark_stack_top, mark_stack_limit, \ - source, exit_label) \ -{ \ - hdr * my_hhdr; \ - \ - HC_GET_HDR(current, my_hhdr, source, exit_label); \ - PUSH_CONTENTS_HDR(current, mark_stack_top, mark_stack_limit, \ - source, exit_label, my_hhdr, TRUE); \ -exit_label: ; \ -} - -/* Set mark bit, exit if it was already set. */ - -# ifdef USE_MARK_BITS -# ifdef PARALLEL_MARK - /* The following may fail to exit even if the bit was already set. */ - /* For our uses, that's benign: */ -# define OR_WORD_EXIT_IF_SET(addr, bits, exit_label) \ - { \ - if (!(*(addr) & (mask))) { \ - AO_or((AO_t *)(addr), (mask); \ - } else { \ - goto label; \ - } \ - } -# else -# define OR_WORD_EXIT_IF_SET(addr, bits, exit_label) \ - { \ - word old = *(addr); \ - word my_bits = (bits); \ - if (old & my_bits) goto exit_label; \ - *(addr) = (old | my_bits); \ - } -# endif /* !PARALLEL_MARK */ -# define SET_MARK_BIT_EXIT_IF_SET(hhdr,bit_no,exit_label) \ - { \ - word * mark_word_addr = hhdr -> hb_marks + divWORDSZ(bit_no); \ - \ - OR_WORD_EXIT_IF_SET(mark_word_addr, (word)1 << modWORDSZ(bit_no), \ - exit_label); \ - } -# endif - - -#ifdef USE_MARK_BYTES -# if defined(I386) && defined(__GNUC__) -# define LONG_MULT(hprod, lprod, x, y) { \ - asm("mull %2" : "=a"(lprod), "=d"(hprod) : "g"(y), "0"(x)); \ - } -# else /* No in-line X86 assembly code */ -# define LONG_MULT(hprod, lprod, x, y) { \ - unsigned long long prod = (unsigned long long)x \ - * (unsigned long long)y; \ - hprod = prod >> 32; \ - lprod = (unsigned32)prod; \ - } -# endif - - /* There is a race here, and we may set */ - /* the bit twice in the concurrent case. This can result in the */ - /* object being pushed twice. But that's only a performance issue. */ -# define SET_MARK_BIT_EXIT_IF_SET(hhdr,bit_no,exit_label) \ - { \ - char * mark_byte_addr = (char *)hhdr -> hb_marks + (bit_no); \ - char mark_byte = *mark_byte_addr; \ - \ - if (mark_byte) goto exit_label; \ - *mark_byte_addr = 1; \ - } -#endif /* USE_MARK_BYTES */ - -#ifdef PARALLEL_MARK -# define INCR_MARKS(hhdr) \ - AO_store(&(hhdr -> hb_n_marks), AO_load(&(hhdr -> hb_n_marks))+1); -#else -# define INCR_MARKS(hhdr) ++(hhdr -> hb_n_marks) -#endif - -#ifdef ENABLE_TRACE -# define TRACE(source, cmd) \ - if (GC_trace_addr != 0 && (ptr_t)(source) == GC_trace_addr) cmd -# define TRACE_TARGET(target, cmd) \ - if (GC_trace_addr != 0 && (target) == *(ptr_t *)GC_trace_addr) cmd -#else -# define TRACE(source, cmd) -# define TRACE_TARGET(source, cmd) -#endif -/* If the mark bit corresponding to current is not set, set it, and */ -/* push the contents of the object on the mark stack. Current points */ -/* to the bginning of the object. We rely on the fact that the */ -/* preceding header calculation will succeed for a pointer past the */ -/* first page of an object, only if it is in fact a valid pointer */ -/* to the object. Thus we can omit the otherwise necessary tests */ -/* here. Note in particular that the "displ" value is the displacement */ -/* from the beginning of the heap block, which may itself be in the */ -/* interior of a large object. */ -#ifdef MARK_BIT_PER_GRANULE -# define PUSH_CONTENTS_HDR(current, mark_stack_top, mark_stack_limit, \ - source, exit_label, hhdr, do_offset_check) \ -{ \ - size_t displ = HBLKDISPL(current); /* Displacement in block; in bytes. */\ - /* displ is always within range. If current doesn't point to */ \ - /* first block, then we are in the all_interior_pointers case, and */ \ - /* it is safe to use any displacement value. */ \ - size_t gran_displ = BYTES_TO_GRANULES(displ); \ - size_t gran_offset = hhdr -> hb_map[gran_displ]; \ - size_t byte_offset = displ & (GRANULE_BYTES - 1); \ - ptr_t base = current; \ - /* The following always fails for large block references. */ \ - if (EXPECT((gran_offset | byte_offset) != 0, FALSE)) { \ - if (hhdr -> hb_large_block) { \ - /* gran_offset is bogus. */ \ - size_t obj_displ; \ - base = (ptr_t)(hhdr -> hb_block); \ - obj_displ = (ptr_t)(current) - base; \ - if (obj_displ != displ) { \ - GC_ASSERT(obj_displ < hhdr -> hb_sz); \ - /* Must be in all_interior_pointer case, not first block */ \ - /* already did validity check on cache miss. */ \ - ; \ - } else { \ - if (do_offset_check && !GC_valid_offsets[obj_displ]) { \ - GC_ADD_TO_BLACK_LIST_NORMAL(current, source); \ - goto exit_label; \ - } \ - } \ - gran_displ = 0; \ - GC_ASSERT(hhdr -> hb_sz > HBLKSIZE || \ - hhdr -> hb_block == HBLKPTR(current)); \ - GC_ASSERT((ptr_t)(hhdr -> hb_block) <= (ptr_t) current); \ - } else { \ - size_t obj_displ = GRANULES_TO_BYTES(gran_offset) \ - + byte_offset; \ - if (do_offset_check && !GC_valid_offsets[obj_displ]) { \ - GC_ADD_TO_BLACK_LIST_NORMAL(current, source); \ - goto exit_label; \ - } \ - gran_displ -= gran_offset; \ - base -= obj_displ; \ - } \ - } \ - GC_ASSERT(hhdr == GC_find_header(base)); \ - GC_ASSERT(gran_displ % BYTES_TO_GRANULES(hhdr -> hb_sz) == 0); \ - TRACE(source, GC_log_printf("GC:%d: passed validity tests\n",GC_gc_no)); \ - SET_MARK_BIT_EXIT_IF_SET(hhdr, gran_displ, exit_label); \ - TRACE(source, GC_log_printf("GC:%d: previously unmarked\n",GC_gc_no)); \ - TRACE_TARGET(base, \ - GC_log_printf("GC:%d: marking %p from %p instead\n", GC_gc_no, \ - base, source)); \ - INCR_MARKS(hhdr); \ - GC_STORE_BACK_PTR((ptr_t)source, base); \ - PUSH_OBJ(base, hhdr, mark_stack_top, mark_stack_limit); \ -} -#endif /* MARK_BIT_PER_GRANULE */ - -#ifdef MARK_BIT_PER_OBJ -# define PUSH_CONTENTS_HDR(current, mark_stack_top, mark_stack_limit, \ - source, exit_label, hhdr, do_offset_check) \ -{ \ - size_t displ = HBLKDISPL(current); /* Displacement in block; in bytes. */\ - unsigned32 low_prod, high_prod, offset_fraction; \ - unsigned32 inv_sz = hhdr -> hb_inv_sz; \ - ptr_t base = current; \ - LONG_MULT(high_prod, low_prod, displ, inv_sz); \ - /* product is > and within sz_in_bytes of displ * sz_in_bytes * 2**32 */ \ - if (EXPECT(low_prod >> 16 != 0, FALSE)) { \ - FIXME: fails if offset is a multiple of HBLKSIZE which becomes 0 \ - if (inv_sz == LARGE_INV_SZ) { \ - size_t obj_displ; \ - base = (ptr_t)(hhdr -> hb_block); \ - obj_displ = (ptr_t)(current) - base; \ - if (obj_displ != displ) { \ - GC_ASSERT(obj_displ < hhdr -> hb_sz); \ - /* Must be in all_interior_pointer case, not first block */ \ - /* already did validity check on cache miss. */ \ - ; \ - } else { \ - if (do_offset_check && !GC_valid_offsets[obj_displ]) { \ - GC_ADD_TO_BLACK_LIST_NORMAL(current, source); \ - goto exit_label; \ - } \ - } \ - GC_ASSERT(hhdr -> hb_sz > HBLKSIZE || \ - hhdr -> hb_block == HBLKPTR(current)); \ - GC_ASSERT((ptr_t)(hhdr -> hb_block) < (ptr_t) current); \ - } else { \ - /* Accurate enough if HBLKSIZE <= 2**15. */ \ - GC_ASSERT(HBLKSIZE <= (1 << 15)); \ - size_t obj_displ = (((low_prod >> 16) + 1) * (hhdr -> hb_sz)) >> 16; \ - if (do_offset_check && !GC_valid_offsets[obj_displ]) { \ - GC_ADD_TO_BLACK_LIST_NORMAL(current, source); \ - goto exit_label; \ - } \ - base -= obj_displ; \ - } \ - } \ - /* May get here for pointer to start of block not at */ \ - /* beginning of object. If so, it's valid, and we're fine. */ \ - GC_ASSERT(high_prod >= 0 && high_prod <= HBLK_OBJS(hhdr -> hb_sz)); \ - TRACE(source, GC_log_printf("GC:%d: passed validity tests\n",GC_gc_no)); \ - SET_MARK_BIT_EXIT_IF_SET(hhdr, high_prod, exit_label); \ - TRACE(source, GC_log_printf("GC:%d: previously unmarked\n",GC_gc_no)); \ - TRACE_TARGET(base, \ - GC_log_printf("GC:%d: marking %p from %p instead\n", GC_gc_no, \ - base, source)); \ - INCR_MARKS(hhdr); \ - GC_STORE_BACK_PTR((ptr_t)source, base); \ - PUSH_OBJ(base, hhdr, mark_stack_top, mark_stack_limit); \ -} -#endif /* MARK_BIT_PER_OBJ */ - -#if defined(PRINT_BLACK_LIST) || defined(KEEP_BACK_PTRS) -# define PUSH_ONE_CHECKED_STACK(p, source) \ - GC_mark_and_push_stack(p, (ptr_t)(source)) -#else -# define PUSH_ONE_CHECKED_STACK(p, source) \ - GC_mark_and_push_stack(p) -#endif - -/* - * Push a single value onto mark stack. Mark from the object pointed to by p. - * Invoke FIXUP_POINTER(p) before any further processing. - * P is considered valid even if it is an interior pointer. - * Previously marked objects are not pushed. Hence we make progress even - * if the mark stack overflows. - */ - -# if NEED_FIXUP_POINTER - /* Try both the raw version and the fixed up one. */ -# define GC_PUSH_ONE_STACK(p, source) \ - if ((p) >= (ptr_t)GC_least_plausible_heap_addr \ - && (p) < (ptr_t)GC_greatest_plausible_heap_addr) { \ - PUSH_ONE_CHECKED_STACK(p, source); \ - } \ - FIXUP_POINTER(p); \ - if ((p) >= (ptr_t)GC_least_plausible_heap_addr \ - && (p) < (ptr_t)GC_greatest_plausible_heap_addr) { \ - PUSH_ONE_CHECKED_STACK(p, source); \ - } -# else /* !NEED_FIXUP_POINTER */ -# define GC_PUSH_ONE_STACK(p, source) \ - if ((ptr_t)(p) >= (ptr_t)GC_least_plausible_heap_addr \ - && (ptr_t)(p) < (ptr_t)GC_greatest_plausible_heap_addr) { \ - PUSH_ONE_CHECKED_STACK(p, source); \ - } -# endif - - -/* - * As above, but interior pointer recognition as for - * normal heap pointers. - */ -# define GC_PUSH_ONE_HEAP(p,source) \ - FIXUP_POINTER(p); \ - if ((p) >= (ptr_t)GC_least_plausible_heap_addr \ - && (p) < (ptr_t)GC_greatest_plausible_heap_addr) { \ - GC_mark_stack_top = GC_mark_and_push( \ - (void *)(p), GC_mark_stack_top, \ - GC_mark_stack_limit, (void * *)(source)); \ - } - -/* Mark starting at mark stack entry top (incl.) down to */ -/* mark stack entry bottom (incl.). Stop after performing */ -/* about one page worth of work. Return the new mark stack */ -/* top entry. */ -mse * GC_mark_from(mse * top, mse * bottom, mse *limit); - -#define MARK_FROM_MARK_STACK() \ - GC_mark_stack_top = GC_mark_from(GC_mark_stack_top, \ - GC_mark_stack, \ - GC_mark_stack + GC_mark_stack_size); - -/* - * Mark from one finalizable object using the specified - * mark proc. May not mark the object pointed to by - * real_ptr. That is the job of the caller, if appropriate. - * Note that this is called with the mutator running, but - * with us holding the allocation lock. This is safe only if the - * mutator needs tha allocation lock to reveal hidden pointers. - * FIXME: Why do we need the GC_mark_state test below? - */ -# define GC_MARK_FO(real_ptr, mark_proc) \ -{ \ - (*(mark_proc))(real_ptr); \ - while (!GC_mark_stack_empty()) MARK_FROM_MARK_STACK(); \ - if (GC_mark_state != MS_NONE) { \ - GC_set_mark_bit(real_ptr); \ - while (!GC_mark_some((ptr_t)0)) {} \ - } \ -} - -extern GC_bool GC_mark_stack_too_small; - /* We need a larger mark stack. May be */ - /* set by client supplied mark routines.*/ - -typedef int mark_state_t; /* Current state of marking, as follows:*/ - /* Used to remember where we are during */ - /* concurrent marking. */ - - /* We say something is dirty if it was */ - /* written since the last time we */ - /* retrieved dirty bits. We say it's */ - /* grungy if it was marked dirty in the */ - /* last set of bits we retrieved. */ - - /* Invariant I: all roots and marked */ - /* objects p are either dirty, or point */ - /* to objects q that are either marked */ - /* or a pointer to q appears in a range */ - /* on the mark stack. */ - -# define MS_NONE 0 /* No marking in progress. I holds. */ - /* Mark stack is empty. */ - -# define MS_PUSH_RESCUERS 1 /* Rescuing objects are currently */ - /* being pushed. I holds, except */ - /* that grungy roots may point to */ - /* unmarked objects, as may marked */ - /* grungy objects above scan_ptr. */ - -# define MS_PUSH_UNCOLLECTABLE 2 - /* I holds, except that marked */ - /* uncollectable objects above scan_ptr */ - /* may point to unmarked objects. */ - /* Roots may point to unmarked objects */ - -# define MS_ROOTS_PUSHED 3 /* I holds, mark stack may be nonempty */ - -# define MS_PARTIALLY_INVALID 4 /* I may not hold, e.g. because of M.S. */ - /* overflow. However marked heap */ - /* objects below scan_ptr point to */ - /* marked or stacked objects. */ - -# define MS_INVALID 5 /* I may not hold. */ - -extern mark_state_t GC_mark_state; - -#endif /* GC_PMARK_H */ - diff --git a/vendor/gc/include/private/gc_priv.h b/vendor/gc/include/private/gc_priv.h deleted file mode 100644 index 1d96d87..0000000 --- a/vendor/gc/include/private/gc_priv.h +++ /dev/null @@ -1,2094 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - - -# ifndef GC_PRIVATE_H -# define GC_PRIVATE_H - -# include -# if !(defined( sony_news ) ) -# include -# endif - -#ifdef DGUX -# include -# include -# include -#endif /* DGUX */ - -#ifdef BSD_TIME -# include -# include -# include -#endif /* BSD_TIME */ - -#ifdef PARALLEL_MARK -# define AO_REQUIRE_CAS -#endif - -#ifndef _GC_H -# include "../gc.h" -#endif - -#ifndef GC_TINY_FL_H -# include "../gc_tiny_fl.h" -#endif - -#ifndef GC_MARK_H -# include "../gc_mark.h" -#endif - -typedef GC_word word; -typedef GC_signed_word signed_word; -typedef unsigned int unsigned32; - -typedef int GC_bool; -# define TRUE 1 -# define FALSE 0 - -typedef char * ptr_t; /* A generic pointer to which we can add */ - /* byte displacements and which can be used */ - /* for address comparisons. */ - -# ifndef GCCONFIG_H -# include "gcconfig.h" -# endif - -# ifndef HEADERS_H -# include "gc_hdrs.h" -# endif - -#if __GNUC__ >= 3 -# define EXPECT(expr, outcome) __builtin_expect(expr,outcome) - /* Equivalent to (expr), but predict that usually (expr)==outcome. */ -# define INLINE inline -#else -# define EXPECT(expr, outcome) (expr) -# define INLINE -#endif /* __GNUC__ */ - -# ifndef GC_LOCKS_H -# include "gc_locks.h" -# endif - -# ifdef STACK_GROWS_DOWN -# define COOLER_THAN > -# define HOTTER_THAN < -# define MAKE_COOLER(x,y) if ((x)+(y) > (x)) {(x) += (y);} \ - else {(x) = (ptr_t)ONES;} -# define MAKE_HOTTER(x,y) (x) -= (y) -# else -# define COOLER_THAN < -# define HOTTER_THAN > -# define MAKE_COOLER(x,y) if ((x)-(y) < (x)) {(x) -= (y);} else {(x) = 0;} -# define MAKE_HOTTER(x,y) (x) += (y) -# endif - -#if defined(AMIGA) && defined(__SASC) -# define GC_FAR __far -#else -# define GC_FAR -#endif - - -/*********************************/ -/* */ -/* Definitions for conservative */ -/* collector */ -/* */ -/*********************************/ - -/*********************************/ -/* */ -/* Easily changeable parameters */ -/* */ -/*********************************/ - -/* #define STUBBORN_ALLOC */ - /* Enable stubborm allocation, and thus a limited */ - /* form of incremental collection w/o dirty bits. */ - -/* #define ALL_INTERIOR_POINTERS */ - /* Forces all pointers into the interior of an */ - /* object to be considered valid. Also causes the */ - /* sizes of all objects to be inflated by at least */ - /* one byte. This should suffice to guarantee */ - /* that in the presence of a compiler that does */ - /* not perform garbage-collector-unsafe */ - /* optimizations, all portable, strictly ANSI */ - /* conforming C programs should be safely usable */ - /* with malloc replaced by GC_malloc and free */ - /* calls removed. There are several disadvantages: */ - /* 1. There are probably no interesting, portable, */ - /* strictly ANSI conforming C programs. */ - /* 2. This option makes it hard for the collector */ - /* to allocate space that is not ``pointed to'' */ - /* by integers, etc. Under SunOS 4.X with a */ - /* statically linked libc, we empiricaly */ - /* observed that it would be difficult to */ - /* allocate individual objects larger than 100K. */ - /* Even if only smaller objects are allocated, */ - /* more swap space is likely to be needed. */ - /* Fortunately, much of this will never be */ - /* touched. */ - /* If you can easily avoid using this option, do. */ - /* If not, try to keep individual objects small. */ - /* This is now really controlled at startup, */ - /* through GC_all_interior_pointers. */ - - -#define GC_INVOKE_FINALIZERS() GC_notify_or_invoke_finalizers() - -#if !defined(DONT_ADD_BYTE_AT_END) -# define EXTRA_BYTES GC_all_interior_pointers -# define MAX_EXTRA_BYTES 1 -#else -# define EXTRA_BYTES 0 -# define MAX_EXTRA_BYTES 0 -#endif - - -# ifndef LARGE_CONFIG -# define MINHINCR 16 /* Minimum heap increment, in blocks of HBLKSIZE */ - /* Must be multiple of largest page size. */ -# define MAXHINCR 2048 /* Maximum heap increment, in blocks */ -# else -# define MINHINCR 64 -# define MAXHINCR 4096 -# endif - -# define TIME_LIMIT 50 /* We try to keep pause times from exceeding */ - /* this by much. In milliseconds. */ - -# define BL_LIMIT GC_black_list_spacing - /* If we need a block of N bytes, and we have */ - /* a block of N + BL_LIMIT bytes available, */ - /* and N > BL_LIMIT, */ - /* but all possible positions in it are */ - /* blacklisted, we just use it anyway (and */ - /* print a warning, if warnings are enabled). */ - /* This risks subsequently leaking the block */ - /* due to a false reference. But not using */ - /* the block risks unreasonable immediate */ - /* heap growth. */ - -/*********************************/ -/* */ -/* Stack saving for debugging */ -/* */ -/*********************************/ - -#ifdef NEED_CALLINFO - struct callinfo { - word ci_pc; /* Caller, not callee, pc */ -# if NARGS > 0 - word ci_arg[NARGS]; /* bit-wise complement to avoid retention */ -# endif -# if (NFRAMES * (NARGS + 1)) % 2 == 1 - /* Likely alignment problem. */ - word ci_dummy; -# endif - }; -#endif - -#ifdef SAVE_CALL_CHAIN - -/* Fill in the pc and argument information for up to NFRAMES of my */ -/* callers. Ignore my frame and my callers frame. */ -void GC_save_callers(struct callinfo info[NFRAMES]); - -void GC_print_callers(struct callinfo info[NFRAMES]); - -#endif - - -/*********************************/ -/* */ -/* OS interface routines */ -/* */ -/*********************************/ - -#ifdef BSD_TIME -# undef CLOCK_TYPE -# undef GET_TIME -# undef MS_TIME_DIFF -# define CLOCK_TYPE struct timeval -# define GET_TIME(x) { struct rusage rusage; \ - getrusage (RUSAGE_SELF, &rusage); \ - x = rusage.ru_utime; } -# define MS_TIME_DIFF(a,b) ((double) (a.tv_sec - b.tv_sec) * 1000.0 \ - + (double) (a.tv_usec - b.tv_usec) / 1000.0) -#else /* !BSD_TIME */ -# if defined(MSWIN32) || defined(MSWINCE) -# include -# include -# define CLOCK_TYPE DWORD -# define GET_TIME(x) x = GetTickCount() -# define MS_TIME_DIFF(a,b) ((long)((a)-(b))) -# else /* !MSWIN32, !MSWINCE, !BSD_TIME */ -# include -# if !defined(__STDC__) && defined(SPARC) && defined(SUNOS4) - clock_t clock(); /* Not in time.h, where it belongs */ -# endif -# if defined(FREEBSD) && !defined(CLOCKS_PER_SEC) -# include -# define CLOCKS_PER_SEC CLK_TCK -# endif -# if !defined(CLOCKS_PER_SEC) -# define CLOCKS_PER_SEC 1000000 -/* - * This is technically a bug in the implementation. ANSI requires that - * CLOCKS_PER_SEC be defined. But at least under SunOS4.1.1, it isn't. - * Also note that the combination of ANSI C and POSIX is incredibly gross - * here. The type clock_t is used by both clock() and times(). But on - * some machines these use different notions of a clock tick, CLOCKS_PER_SEC - * seems to apply only to clock. Hence we use it here. On many machines, - * including SunOS, clock actually uses units of microseconds (which are - * not really clock ticks). - */ -# endif -# define CLOCK_TYPE clock_t -# define GET_TIME(x) x = clock() -# define MS_TIME_DIFF(a,b) ((unsigned long) \ - (1000.0*(double)((a)-(b))/(double)CLOCKS_PER_SEC)) -# endif /* !MSWIN32 */ -#endif /* !BSD_TIME */ - -/* We use bzero and bcopy internally. They may not be available. */ -# if defined(SPARC) && defined(SUNOS4) -# define BCOPY_EXISTS -# endif -# if defined(M68K) && defined(AMIGA) -# define BCOPY_EXISTS -# endif -# if defined(M68K) && defined(NEXT) -# define BCOPY_EXISTS -# endif -# if defined(VAX) -# define BCOPY_EXISTS -# endif -# if defined(AMIGA) -# include -# define BCOPY_EXISTS -# endif -# if defined(DARWIN) -# include -# define BCOPY_EXISTS -# endif - -# ifndef BCOPY_EXISTS -# include -# define BCOPY(x,y,n) memcpy(y, x, (size_t)(n)) -# define BZERO(x,n) memset(x, 0, (size_t)(n)) -# else -# define BCOPY(x,y,n) bcopy((void *)(x),(void *)(y),(size_t)(n)) -# define BZERO(x,n) bzero((void *)(x),(size_t)(n)) -# endif - -/* - * Stop and restart mutator threads. - */ -# ifdef PCR -# include "th/PCR_ThCtl.h" -# define STOP_WORLD() \ - PCR_ThCtl_SetExclusiveMode(PCR_ThCtl_ExclusiveMode_stopNormal, \ - PCR_allSigsBlocked, \ - PCR_waitForever) -# define START_WORLD() \ - PCR_ThCtl_SetExclusiveMode(PCR_ThCtl_ExclusiveMode_null, \ - PCR_allSigsBlocked, \ - PCR_waitForever); -# else -# if defined(GC_SOLARIS_THREADS) || defined(GC_WIN32_THREADS) \ - || defined(GC_PTHREADS) - void GC_stop_world(); - void GC_start_world(); -# define STOP_WORLD() GC_stop_world() -# define START_WORLD() GC_start_world() -# else -# define STOP_WORLD() -# define START_WORLD() -# endif -# endif - -/* Abandon ship */ -# ifdef PCR -# define ABORT(s) PCR_Base_Panic(s) -# else -# ifdef SMALL_CONFIG -# define ABORT(msg) abort() -# else - GC_API void GC_abort(const char * msg); -# define ABORT(msg) GC_abort(msg) -# endif -# endif - -/* Exit abnormally, but without making a mess (e.g. out of memory) */ -# ifdef PCR -# define EXIT() PCR_Base_Exit(1,PCR_waitForever) -# else -# define EXIT() (void)exit(1) -# endif - -/* Print warning message, e.g. almost out of memory. */ -# define WARN(msg,arg) (*GC_current_warn_proc)("GC Warning: " msg, (GC_word)(arg)) -extern GC_warn_proc GC_current_warn_proc; - -/* Get environment entry */ -#if !defined(NO_GETENV) -# if defined(EMPTY_GETENV_RESULTS) - /* Workaround for a reputed Wine bug. */ - static inline char * fixed_getenv(const char *name) - { - char * tmp = getenv(name); - if (tmp == 0 || strlen(tmp) == 0) - return 0; - return tmp; - } -# define GETENV(name) fixed_getenv(name) -# else -# define GETENV(name) getenv(name) -# endif -#else -# define GETENV(name) 0 -#endif - -#if defined(DARWIN) -# if defined(POWERPC) -# if CPP_WORDSZ == 32 -# define GC_THREAD_STATE_T ppc_thread_state_t -# define GC_MACH_THREAD_STATE PPC_THREAD_STATE -# define GC_MACH_THREAD_STATE_COUNT PPC_THREAD_STATE_COUNT -# define GC_MACH_HEADER mach_header -# define GC_MACH_SECTION section -# define GC_GETSECTBYNAME getsectbynamefromheader -# else -# define GC_THREAD_STATE_T ppc_thread_state64_t -# define GC_MACH_THREAD_STATE PPC_THREAD_STATE64 -# define GC_MACH_THREAD_STATE_COUNT PPC_THREAD_STATE64_COUNT -# define GC_MACH_HEADER mach_header_64 -# define GC_MACH_SECTION section_64 -# define GC_GETSECTBYNAME getsectbynamefromheader_64 -# endif -# elif defined(I386) || defined(X86_64) -# if CPP_WORDSZ == 32 -# define GC_THREAD_STATE_T x86_thread_state32_t -# define GC_MACH_THREAD_STATE x86_THREAD_STATE32 -# define GC_MACH_THREAD_STATE_COUNT x86_THREAD_STATE32_COUNT -# define GC_MACH_HEADER mach_header -# define GC_MACH_SECTION section -# define GC_GETSECTBYNAME getsectbynamefromheader -# else -# define GC_THREAD_STATE_T x86_thread_state64_t -# define GC_MACH_THREAD_STATE x86_THREAD_STATE64 -# define GC_MACH_THREAD_STATE_COUNT x86_THREAD_STATE64_COUNT -# define GC_MACH_HEADER mach_header_64 -# define GC_MACH_SECTION section_64 -# define GC_GETSECTBYNAME getsectbynamefromheader_64 -# endif -# else -# error define GC_THREAD_STATE_T -# define GC_MACH_THREAD_STATE MACHINE_THREAD_STATE -# define GC_MACH_THREAD_STATE_COUNT MACHINE_THREAD_STATE_COUNT -# endif -/* Try to work out the right way to access thread state structure members. - The structure has changed its definition in different Darwin versions. - This now defaults to the (older) names without __, thus hopefully, - not breaking any existing Makefile.direct builds. */ -# if defined (HAS_PPC_THREAD_STATE___R0) \ - || defined (HAS_PPC_THREAD_STATE64___R0) \ - || defined (HAS_X86_THREAD_STATE32___EAX) \ - || defined (HAS_X86_THREAD_STATE64___RAX) -# define THREAD_FLD(x) __ ## x -# else -# define THREAD_FLD(x) x -# endif -#endif - -/*********************************/ -/* */ -/* Word-size-dependent defines */ -/* */ -/*********************************/ - -#if CPP_WORDSZ == 32 -# define WORDS_TO_BYTES(x) ((x)<<2) -# define BYTES_TO_WORDS(x) ((x)>>2) -# define LOGWL ((word)5) /* log[2] of CPP_WORDSZ */ -# define modWORDSZ(n) ((n) & 0x1f) /* n mod size of word */ -# if ALIGNMENT != 4 -# define UNALIGNED -# endif -#endif - -#if CPP_WORDSZ == 64 -# define WORDS_TO_BYTES(x) ((x)<<3) -# define BYTES_TO_WORDS(x) ((x)>>3) -# define LOGWL ((word)6) /* log[2] of CPP_WORDSZ */ -# define modWORDSZ(n) ((n) & 0x3f) /* n mod size of word */ -# if ALIGNMENT != 8 -# define UNALIGNED -# endif -#endif - -/* The first TINY_FREELISTS free lists correspond to the first */ -/* TINY_FREELISTS multiples of GRANULE_BYTES, i.e. we keep */ -/* separate free lists for each multiple of GRANULE_BYTES */ -/* up to (TINY_FREELISTS-1) * GRANULE_BYTES. After that they */ -/* may be spread out further. */ -#include "../gc_tiny_fl.h" -#define GRANULE_BYTES GC_GRANULE_BYTES -#define TINY_FREELISTS GC_TINY_FREELISTS - -#define WORDSZ ((word)CPP_WORDSZ) -#define SIGNB ((word)1 << (WORDSZ-1)) -#define BYTES_PER_WORD ((word)(sizeof (word))) -#define ONES ((word)(signed_word)(-1)) -#define divWORDSZ(n) ((n) >> LOGWL) /* divide n by size of word */ - -#if GRANULE_BYTES == 8 -# define BYTES_TO_GRANULES(n) ((n)>>3) -# define GRANULES_TO_BYTES(n) ((n)<<3) -# if CPP_WORDSZ == 64 -# define GRANULES_TO_WORDS(n) (n) -# elif CPP_WORDSZ == 32 -# define GRANULES_TO_WORDS(n) ((n)<<1) -# else -# define GRANULES_TO_WORDS(n) BYTES_TO_WORDS(GRANULES_TO_BYTES(n)) -# endif -#elif GRANULE_BYTES == 16 -# define BYTES_TO_GRANULES(n) ((n)>>4) -# define GRANULES_TO_BYTES(n) ((n)<<4) -# if CPP_WORDSZ == 64 -# define GRANULES_TO_WORDS(n) ((n)<<1) -# elif CPP_WORDSZ == 32 -# define GRANULES_TO_WORDS(n) ((n)<<2) -# else -# define GRANULES_TO_WORDS(n) BYTES_TO_WORDS(GRANULES_TO_BYTES(n)) -# endif -#else -# error Bad GRANULE_BYTES value -#endif - -/*********************/ -/* */ -/* Size Parameters */ -/* */ -/*********************/ - -/* Heap block size, bytes. Should be power of 2. */ -/* Incremental GC with MPROTECT_VDB currently requires the */ -/* page size to be a multiple of HBLKSIZE. Since most modern */ -/* architectures support variable page sizes down to 4K, and */ -/* X86 is generally 4K, we now default to 4K, except for */ -/* Alpha: Seems to be used with 8K pages. */ -/* SMALL_CONFIG: Want less block-level fragmentation. */ - -#ifndef HBLKSIZE -# ifdef SMALL_CONFIG -# define CPP_LOG_HBLKSIZE 10 -# else -# if defined(ALPHA) -# define CPP_LOG_HBLKSIZE 13 -# else -# define CPP_LOG_HBLKSIZE 12 -# endif -# endif -#else -# if HBLKSIZE == 512 -# define CPP_LOG_HBLKSIZE 9 -# endif -# if HBLKSIZE == 1024 -# define CPP_LOG_HBLKSIZE 10 -# endif -# if HBLKSIZE == 2048 -# define CPP_LOG_HBLKSIZE 11 -# endif -# if HBLKSIZE == 4096 -# define CPP_LOG_HBLKSIZE 12 -# endif -# if HBLKSIZE == 8192 -# define CPP_LOG_HBLKSIZE 13 -# endif -# if HBLKSIZE == 16384 -# define CPP_LOG_HBLKSIZE 14 -# endif -# ifndef CPP_LOG_HBLKSIZE - --> fix HBLKSIZE -# endif -# undef HBLKSIZE -#endif - -# define CPP_HBLKSIZE (1 << CPP_LOG_HBLKSIZE) -# define LOG_HBLKSIZE ((size_t)CPP_LOG_HBLKSIZE) -# define HBLKSIZE ((size_t)CPP_HBLKSIZE) - - -/* max size objects supported by freelist (larger objects are */ -/* allocated directly with allchblk(), by rounding to the next */ -/* multiple of HBLKSIZE. */ - -#define CPP_MAXOBJBYTES (CPP_HBLKSIZE/2) -#define MAXOBJBYTES ((size_t)CPP_MAXOBJBYTES) -#define CPP_MAXOBJWORDS BYTES_TO_WORDS(CPP_MAXOBJBYTES) -#define MAXOBJWORDS ((size_t)CPP_MAXOBJWORDS) -#define CPP_MAXOBJGRANULES BYTES_TO_GRANULES(CPP_MAXOBJBYTES) -#define MAXOBJGRANULES ((size_t)CPP_MAXOBJGRANULES) - -# define divHBLKSZ(n) ((n) >> LOG_HBLKSIZE) - -# define HBLK_PTR_DIFF(p,q) divHBLKSZ((ptr_t)p - (ptr_t)q) - /* Equivalent to subtracting 2 hblk pointers. */ - /* We do it this way because a compiler should */ - /* find it hard to use an integer division */ - /* instead of a shift. The bundled SunOS 4.1 */ - /* o.w. sometimes pessimizes the subtraction to */ - /* involve a call to .div. */ - -# define modHBLKSZ(n) ((n) & (HBLKSIZE-1)) - -# define HBLKPTR(objptr) ((struct hblk *)(((word) (objptr)) & ~(HBLKSIZE-1))) - -# define HBLKDISPL(objptr) (((size_t) (objptr)) & (HBLKSIZE-1)) - -/* Round up byte allocation requests to integral number of words, etc. */ -# define ROUNDED_UP_WORDS(n) \ - BYTES_TO_WORDS((n) + (WORDS_TO_BYTES(1) - 1 + EXTRA_BYTES)) -# define ROUNDED_UP_GRANULES(n) \ - BYTES_TO_GRANULES((n) + (GRANULE_BYTES - 1 + EXTRA_BYTES)) -# if MAX_EXTRA_BYTES == 0 -# define SMALL_OBJ(bytes) EXPECT((bytes) <= (MAXOBJBYTES), 1) -# else -# define SMALL_OBJ(bytes) \ - (EXPECT((bytes) <= (MAXOBJBYTES - MAX_EXTRA_BYTES), 1) || \ - (bytes) <= (MAXOBJBYTES - EXTRA_BYTES)) - /* This really just tests bytes <= MAXOBJBYTES - EXTRA_BYTES. */ - /* But we try to avoid looking up EXTRA_BYTES. */ -# endif -# define ADD_SLOP(bytes) ((bytes) + EXTRA_BYTES) -# ifndef MIN_WORDS -# define MIN_WORDS 2 /* FIXME: obsolete */ -# endif - - -/* - * Hash table representation of sets of pages. - * Implements a map from aligned HBLKSIZE chunks of the address space to one - * bit each. - * This assumes it is OK to spuriously set bits, e.g. because multiple - * addresses are represented by a single location. - * Used by black-listing code, and perhaps by dirty bit maintenance code. - */ - -# ifdef LARGE_CONFIG -# if CPP_WORDSZ == 32 -# define LOG_PHT_ENTRIES 20 /* Collisions likely at 1M blocks, */ - /* which is >= 4GB. Each table takes */ - /* 128KB, some of which may never be */ - /* touched. */ -# else -# define LOG_PHT_ENTRIES 21 /* Collisions likely at 2M blocks, */ - /* which is >= 8GB. Each table takes */ - /* 256KB, some of which may never be */ - /* touched. */ -# endif -# else -# ifdef SMALL_CONFIG -# define LOG_PHT_ENTRIES 15 /* Collisions are likely if heap grows */ - /* to more than 32K hblks = 128MB. */ - /* Each hash table occupies 4K bytes. */ -# else /* default "medium" configuration */ -# define LOG_PHT_ENTRIES 18 /* Collisions are likely if heap grows */ - /* to more than 256K hblks >= 1GB. */ - /* Each hash table occupies 32K bytes. */ - /* Even for somewhat smaller heaps, */ - /* say half that, collisions may be an */ - /* issue because we blacklist */ - /* addresses outside the heap. */ -# endif -# endif -# define PHT_ENTRIES ((word)1 << LOG_PHT_ENTRIES) -# define PHT_SIZE (PHT_ENTRIES >> LOGWL) -typedef word page_hash_table[PHT_SIZE]; - -# define PHT_HASH(addr) ((((word)(addr)) >> LOG_HBLKSIZE) & (PHT_ENTRIES - 1)) - -# define get_pht_entry_from_index(bl, index) \ - (((bl)[divWORDSZ(index)] >> modWORDSZ(index)) & 1) -# define set_pht_entry_from_index(bl, index) \ - (bl)[divWORDSZ(index)] |= (word)1 << modWORDSZ(index) -# define clear_pht_entry_from_index(bl, index) \ - (bl)[divWORDSZ(index)] &= ~((word)1 << modWORDSZ(index)) -/* And a dumb but thread-safe version of set_pht_entry_from_index. */ -/* This sets (many) extra bits. */ -# define set_pht_entry_from_index_safe(bl, index) \ - (bl)[divWORDSZ(index)] = ONES - - - -/********************************************/ -/* */ -/* H e a p B l o c k s */ -/* */ -/********************************************/ - -/* heap block header */ -#define HBLKMASK (HBLKSIZE-1) - -#define MARK_BITS_PER_HBLK (HBLKSIZE/GRANULE_BYTES) - /* upper bound */ - /* We allocate 1 bit per allocation granule. */ - /* If MARK_BIT_PER_GRANULE is defined, we use */ - /* every nth bit, where n is the number of */ - /* allocation granules per object. If */ - /* MARK_BIT_PER_OBJ is defined, we only use the */ - /* initial group of mark bits, and it is safe */ - /* to allocate smaller header for large objects. */ - -# ifdef USE_MARK_BYTES -# define MARK_BITS_SZ (MARK_BITS_PER_HBLK + 1) - /* Unlike the other case, this is in units of bytes. */ - /* Since we force doubleword alignment, we need at most one */ - /* mark bit per 2 words. But we do allocate and set one */ - /* extra mark bit to avoid an explicit check for the */ - /* partial object at the end of each block. */ -# else -# define MARK_BITS_SZ (MARK_BITS_PER_HBLK/CPP_WORDSZ + 1) -# endif - -#ifdef PARALLEL_MARK -# include - typedef AO_t counter_t; -#else - typedef size_t counter_t; -#endif - -/* We maintain layout maps for heap blocks containing objects of a given */ -/* size. Each entry in this map describes a byte offset and has the */ -/* following type. */ -struct hblkhdr { - struct hblk * hb_next; /* Link field for hblk free list */ - /* and for lists of chunks waiting to be */ - /* reclaimed. */ - struct hblk * hb_prev; /* Backwards link for free list. */ - struct hblk * hb_block; /* The corresponding block. */ - unsigned char hb_obj_kind; - /* Kind of objects in the block. Each kind */ - /* identifies a mark procedure and a set of */ - /* list headers. Sometimes called regions. */ - unsigned char hb_flags; -# define IGNORE_OFF_PAGE 1 /* Ignore pointers that do not */ - /* point to the first page of */ - /* this object. */ -# define WAS_UNMAPPED 2 /* This is a free block, which has */ - /* been unmapped from the address */ - /* space. */ - /* GC_remap must be invoked on it */ - /* before it can be reallocated. */ - /* Only set with USE_MUNMAP. */ -# define FREE_BLK 4 /* Block is free, i.e. not in use. */ - unsigned short hb_last_reclaimed; - /* Value of GC_gc_no when block was */ - /* last allocated or swept. May wrap. */ - /* For a free block, this is maintained */ - /* only for USE_MUNMAP, and indicates */ - /* when the header was allocated, or */ - /* when the size of the block last */ - /* changed. */ - size_t hb_sz; /* If in use, size in bytes, of objects in the block. */ - /* if free, the size in bytes of the whole block */ - /* We assume that this is convertible to signed_word */ - /* without generating a negative result. We avoid */ - /* generating free blocks larger than that. */ - word hb_descr; /* object descriptor for marking. See */ - /* mark.h. */ -# ifdef MARK_BIT_PER_OBJ - unsigned32 hb_inv_sz; /* A good upper bound for 2**32/hb_sz. */ - /* For large objects, we use */ - /* LARGE_INV_SZ. */ -# define LARGE_INV_SZ (1 << 16) -# else - unsigned char hb_large_block; - short * hb_map; /* Essentially a table of remainders */ - /* mod BYTES_TO_GRANULES(hb_sz), except */ - /* for large blocks. See GC_obj_map. */ -# endif - counter_t hb_n_marks; /* Number of set mark bits, excluding */ - /* the one always set at the end. */ - /* Currently it is concurrently */ - /* updated and hence only approximate. */ - /* But a zero value does guarantee that */ - /* the block contains no marked */ - /* objects. */ - /* Ensuring this property means that we */ - /* never decrement it to zero during a */ - /* collection, and hence the count may */ - /* be one too high. Due to concurrent */ - /* updates, an arbitrary number of */ - /* increments, but not all of them (!) */ - /* may be lost, hence it may in theory */ - /* be much too low. */ - /* The count may also be too high if */ - /* multiple mark threads mark the */ - /* same object due to a race. */ - /* Without parallel marking, the count */ - /* is accurate. */ -# ifdef USE_MARK_BYTES - union { - char _hb_marks[MARK_BITS_SZ]; - /* The i'th byte is 1 if the object */ - /* starting at granule i or object i is */ - /* marked, 0 o.w. */ - /* The mark bit for the "one past the */ - /* end" object is always set to avoid a */ - /* special case test in the marker. */ - word dummy; /* Force word alignment of mark bytes. */ - } _mark_byte_union; -# define hb_marks _mark_byte_union._hb_marks -# else - word hb_marks[MARK_BITS_SZ]; -# endif /* !USE_MARK_BYTES */ -}; - -# define ANY_INDEX 23 /* "Random" mark bit index for assertions */ - -/* heap block body */ - -# define HBLK_WORDS (HBLKSIZE/sizeof(word)) -# define HBLK_GRANULES (HBLKSIZE/GRANULE_BYTES) - -/* The number of objects in a block dedicated to a certain size. */ -/* may erroneously yield zero (instead of one) for large objects. */ -# define HBLK_OBJS(sz_in_bytes) (HBLKSIZE/(sz_in_bytes)) - -struct hblk { - char hb_body[HBLKSIZE]; -}; - -# define HBLK_IS_FREE(hdr) (((hdr) -> hb_flags & FREE_BLK) != 0) - -# define OBJ_SZ_TO_BLOCKS(sz) divHBLKSZ(sz + HBLKSIZE-1) - /* Size of block (in units of HBLKSIZE) needed to hold objects of */ - /* given sz (in bytes). */ - -/* Object free list link */ -# define obj_link(p) (*(void **)(p)) - -# define LOG_MAX_MARK_PROCS 6 -# define MAX_MARK_PROCS (1 << LOG_MAX_MARK_PROCS) - -/* Root sets. Logically private to mark_rts.c. But we don't want the */ -/* tables scanned, so we put them here. */ -/* MAX_ROOT_SETS is the maximum number of ranges that can be */ -/* registered as static roots. */ -# ifdef LARGE_CONFIG -# define MAX_ROOT_SETS 8192 -# else -# ifdef SMALL_CONFIG -# define MAX_ROOT_SETS 512 -# else -# define MAX_ROOT_SETS 2048 -# endif -# endif - -# define MAX_EXCLUSIONS (MAX_ROOT_SETS/4) -/* Maximum number of segments that can be excluded from root sets. */ - -/* - * Data structure for excluded static roots. - */ -struct exclusion { - ptr_t e_start; - ptr_t e_end; -}; - -/* Data structure for list of root sets. */ -/* We keep a hash table, so that we can filter out duplicate additions. */ -/* Under Win32, we need to do a better job of filtering overlaps, so */ -/* we resort to sequential search, and pay the price. */ -struct roots { - ptr_t r_start; - ptr_t r_end; -# if !defined(MSWIN32) && !defined(MSWINCE) - struct roots * r_next; -# endif - GC_bool r_tmp; - /* Delete before registering new dynamic libraries */ -}; - -#if !defined(MSWIN32) && !defined(MSWINCE) - /* Size of hash table index to roots. */ -# define LOG_RT_SIZE 6 -# define RT_SIZE (1 << LOG_RT_SIZE) /* Power of 2, may be != MAX_ROOT_SETS */ -#endif - -/* Lists of all heap blocks and free lists */ -/* as well as other random data structures */ -/* that should not be scanned by the */ -/* collector. */ -/* These are grouped together in a struct */ -/* so that they can be easily skipped by the */ -/* GC_mark routine. */ -/* The ordering is weird to make GC_malloc */ -/* faster by keeping the important fields */ -/* sufficiently close together that a */ -/* single load of a base register will do. */ -/* Scalars that could easily appear to */ -/* be pointers are also put here. */ -/* The main fields should precede any */ -/* conditionally included fields, so that */ -/* gc_inl.h will work even if a different set */ -/* of macros is defined when the client is */ -/* compiled. */ - -struct _GC_arrays { - word _heapsize; /* Heap size in bytes. */ - word _max_heapsize; - word _requested_heapsize; /* Heap size due to explicit expansion */ - ptr_t _last_heap_addr; - ptr_t _prev_heap_addr; - word _large_free_bytes; - /* Total bytes contained in blocks on large object free */ - /* list. */ - word _large_allocd_bytes; - /* Total number of bytes in allocated large objects blocks. */ - /* For the purposes of this counter and the next one only, a */ - /* large object is one that occupies a block of at least */ - /* 2*HBLKSIZE. */ - word _max_large_allocd_bytes; - /* Maximum number of bytes that were ever allocated in */ - /* large object blocks. This is used to help decide when it */ - /* is safe to split up a large block. */ - word _bytes_allocd_before_gc; - /* Number of words allocated before this */ - /* collection cycle. */ -# ifndef SEPARATE_GLOBALS - word _bytes_allocd; - /* Number of words allocated during this collection cycle */ -# endif - word _bytes_dropped; - /* Number of black-listed bytes dropped during GC cycle */ - /* as a result of repeated scanning during allocation */ - /* attempts. These are treated largely as allocated, */ - /* even though they are not useful to the client. */ - word _bytes_finalized; - /* Approximate number of bytes in objects (and headers) */ - /* That became ready for finalization in the last */ - /* collection. */ - word _non_gc_bytes_at_gc; - /* Number of explicitly managed bytes of storage */ - /* at last collection. */ - word _bytes_freed; - /* Number of explicitly deallocated bytes of memory */ - /* since last collection. */ - word _finalizer_bytes_freed; - /* Bytes of memory explicitly deallocated while */ - /* finalizers were running. Used to approximate mem. */ - /* explicitly deallocated by finalizers. */ - ptr_t _scratch_end_ptr; - ptr_t _scratch_last_end_ptr; - /* Used by headers.c, and can easily appear to point to */ - /* heap. */ - GC_mark_proc _mark_procs[MAX_MARK_PROCS]; - /* Table of user-defined mark procedures. There is */ - /* a small number of these, which can be referenced */ - /* by DS_PROC mark descriptors. See gc_mark.h. */ - -# ifndef SEPARATE_GLOBALS - void *_objfreelist[MAXOBJGRANULES+1]; - /* free list for objects */ - void *_aobjfreelist[MAXOBJGRANULES+1]; - /* free list for atomic objs */ -# endif - - void *_uobjfreelist[MAXOBJGRANULES+1]; - /* uncollectable but traced objs */ - /* objects on this and auobjfreelist */ - /* are always marked, except during */ - /* garbage collections. */ -# ifdef ATOMIC_UNCOLLECTABLE - void *_auobjfreelist[MAXOBJGRANULES+1]; -# endif - /* uncollectable but traced objs */ - - word _composite_in_use; - /* Number of words in accessible composite */ - /* objects. */ - word _atomic_in_use; - /* Number of words in accessible atomic */ - /* objects. */ -# ifdef USE_MUNMAP - word _unmapped_bytes; -# endif - - size_t _size_map[MAXOBJBYTES+1]; - /* Number of words to allocate for a given allocation request in */ - /* bytes. */ - -# ifdef STUBBORN_ALLOC - ptr_t _sobjfreelist[MAXOBJGRANULES+1]; -# endif - /* free list for immutable objects */ -# ifdef MARK_BIT_PER_GRANULE - short * _obj_map[MAXOBJGRANULES+1]; - /* If not NIL, then a pointer to a map of valid */ - /* object addresses. */ - /* _obj_map[sz_in_granules][i] is */ - /* i % sz_in_granules. */ - /* This is now used purely to replace a */ - /* division in the marker by a table lookup. */ - /* _obj_map[0] is used for large objects and */ - /* contains all nonzero entries. This gets us */ - /* out of the marker fast path without an extra */ - /* test. */ -# define MAP_LEN BYTES_TO_GRANULES(HBLKSIZE) -# endif -# define VALID_OFFSET_SZ HBLKSIZE - char _valid_offsets[VALID_OFFSET_SZ]; - /* GC_valid_offsets[i] == TRUE ==> i */ - /* is registered as a displacement. */ - char _modws_valid_offsets[sizeof(word)]; - /* GC_valid_offsets[i] ==> */ - /* GC_modws_valid_offsets[i%sizeof(word)] */ -# ifdef STUBBORN_ALLOC - page_hash_table _changed_pages; - /* Stubborn object pages that were changes since last call to */ - /* GC_read_changed. */ - page_hash_table _prev_changed_pages; - /* Stubborn object pages that were changes before last call to */ - /* GC_read_changed. */ -# endif -# if defined(PROC_VDB) || defined(MPROTECT_VDB) || \ - defined(GWW_VDB) || defined(MANUAL_VDB) - page_hash_table _grungy_pages; /* Pages that were dirty at last */ - /* GC_read_dirty. */ -# endif -# if defined(MPROTECT_VDB) || defined(MANUAL_VDB) - volatile page_hash_table _dirty_pages; - /* Pages dirtied since last GC_read_dirty. */ -# endif -# if defined(PROC_VDB) || defined(GWW_VDB) - page_hash_table _written_pages; /* Pages ever dirtied */ -# endif -# ifdef LARGE_CONFIG -# if CPP_WORDSZ > 32 -# define MAX_HEAP_SECTS 4096 /* overflows at roughly 64 GB */ -# else -# define MAX_HEAP_SECTS 768 /* Separately added heap sections. */ -# endif -# else -# ifdef SMALL_CONFIG -# define MAX_HEAP_SECTS 128 /* Roughly 256MB (128*2048*1K) */ -# else -# define MAX_HEAP_SECTS 384 /* Roughly 3GB */ -# endif -# endif - struct HeapSect { - ptr_t hs_start; size_t hs_bytes; - } _heap_sects[MAX_HEAP_SECTS]; /* Heap segments potentially */ - /* client objects. */ -# if defined(USE_PROC_FOR_LIBRARIES) - struct HeapSect _our_memory[MAX_HEAP_SECTS]; - /* All GET_MEM allocated */ - /* memory. Includes block */ - /* headers and the like. */ -# endif -# if defined(MSWIN32) || defined(MSWINCE) - ptr_t _heap_bases[MAX_HEAP_SECTS]; - /* Start address of memory regions obtained from kernel. */ -# endif -# ifdef MSWINCE - word _heap_lengths[MAX_HEAP_SECTS]; - /* Commited lengths of memory regions obtained from kernel. */ -# endif - struct roots _static_roots[MAX_ROOT_SETS]; -# if !defined(MSWIN32) && !defined(MSWINCE) - struct roots * _root_index[RT_SIZE]; -# endif - struct exclusion _excl_table[MAX_EXCLUSIONS]; - /* Block header index; see gc_headers.h */ - bottom_index * _all_nils; - bottom_index * _top_index [TOP_SZ]; -#ifdef ENABLE_TRACE - ptr_t _trace_addr; -#endif -#ifdef SAVE_CALL_CHAIN - struct callinfo _last_stack[NFRAMES]; /* Stack at last garbage collection.*/ - /* Useful for debugging mysterious */ - /* object disappearances. */ - /* In the multithreaded case, we */ - /* currently only save the calling */ - /* stack. */ -#endif -}; - -GC_API GC_FAR struct _GC_arrays GC_arrays; - -# ifndef SEPARATE_GLOBALS -# define GC_objfreelist GC_arrays._objfreelist -# define GC_aobjfreelist GC_arrays._aobjfreelist -# define GC_bytes_allocd GC_arrays._bytes_allocd -# endif -# define GC_uobjfreelist GC_arrays._uobjfreelist -# ifdef ATOMIC_UNCOLLECTABLE -# define GC_auobjfreelist GC_arrays._auobjfreelist -# endif -# define GC_sobjfreelist GC_arrays._sobjfreelist -# define GC_valid_offsets GC_arrays._valid_offsets -# define GC_modws_valid_offsets GC_arrays._modws_valid_offsets -# ifdef STUBBORN_ALLOC -# define GC_changed_pages GC_arrays._changed_pages -# define GC_prev_changed_pages GC_arrays._prev_changed_pages -# endif -# ifdef MARK_BIT_PER_GRANULE -# define GC_obj_map GC_arrays._obj_map -# endif -# define GC_last_heap_addr GC_arrays._last_heap_addr -# define GC_prev_heap_addr GC_arrays._prev_heap_addr -# define GC_large_free_bytes GC_arrays._large_free_bytes -# define GC_large_allocd_bytes GC_arrays._large_allocd_bytes -# define GC_max_large_allocd_bytes GC_arrays._max_large_allocd_bytes -# define GC_bytes_dropped GC_arrays._bytes_dropped -# define GC_bytes_finalized GC_arrays._bytes_finalized -# define GC_non_gc_bytes_at_gc GC_arrays._non_gc_bytes_at_gc -# define GC_bytes_freed GC_arrays._bytes_freed -# define GC_finalizer_bytes_freed GC_arrays._finalizer_bytes_freed -# define GC_scratch_end_ptr GC_arrays._scratch_end_ptr -# define GC_scratch_last_end_ptr GC_arrays._scratch_last_end_ptr -# define GC_mark_procs GC_arrays._mark_procs -# define GC_heapsize GC_arrays._heapsize -# define GC_max_heapsize GC_arrays._max_heapsize -# define GC_requested_heapsize GC_arrays._requested_heapsize -# define GC_bytes_allocd_before_gc GC_arrays._bytes_allocd_before_gc -# define GC_heap_sects GC_arrays._heap_sects -# ifdef USE_PROC_FOR_LIBRARIES -# define GC_our_memory GC_arrays._our_memory -# endif -# define GC_last_stack GC_arrays._last_stack -#ifdef ENABLE_TRACE -#define GC_trace_addr GC_arrays._trace_addr -#endif -# ifdef USE_MUNMAP -# define GC_unmapped_bytes GC_arrays._unmapped_bytes -# endif -# if defined(MSWIN32) || defined(MSWINCE) -# define GC_heap_bases GC_arrays._heap_bases -# endif -# ifdef MSWINCE -# define GC_heap_lengths GC_arrays._heap_lengths -# endif -# define GC_static_roots GC_arrays._static_roots -# define GC_root_index GC_arrays._root_index -# define GC_excl_table GC_arrays._excl_table -# define GC_all_nils GC_arrays._all_nils -# define GC_top_index GC_arrays._top_index -# if defined(PROC_VDB) || defined(MPROTECT_VDB) || \ - defined(GWW_VDB) || defined(MANUAL_VDB) -# define GC_grungy_pages GC_arrays._grungy_pages -# endif -# if defined(MPROTECT_VDB) || defined(MANUAL_VDB) -# define GC_dirty_pages GC_arrays._dirty_pages -# endif -# if defined(PROC_VDB) || defined(GWW_VDB) -# define GC_written_pages GC_arrays._written_pages -# endif -# define GC_composite_in_use GC_arrays._composite_in_use -# define GC_atomic_in_use GC_arrays._atomic_in_use -# define GC_size_map GC_arrays._size_map - -# define beginGC_arrays ((ptr_t)(&GC_arrays)) -# define endGC_arrays (((ptr_t)(&GC_arrays)) + (sizeof GC_arrays)) - -#define USED_HEAP_SIZE (GC_heapsize - GC_large_free_bytes) - -/* Object kinds: */ -# define MAXOBJKINDS 16 - -extern struct obj_kind { - void **ok_freelist; /* Array of free listheaders for this kind of object */ - /* Point either to GC_arrays or to storage allocated */ - /* with GC_scratch_alloc. */ - struct hblk **ok_reclaim_list; - /* List headers for lists of blocks waiting to be */ - /* swept. */ - /* Indexed by object size in granules. */ - word ok_descriptor; /* Descriptor template for objects in this */ - /* block. */ - GC_bool ok_relocate_descr; - /* Add object size in bytes to descriptor */ - /* template to obtain descriptor. Otherwise */ - /* template is used as is. */ - GC_bool ok_init; /* Clear objects before putting them on the free list. */ -} GC_obj_kinds[MAXOBJKINDS]; - -# define beginGC_obj_kinds ((ptr_t)(&GC_obj_kinds)) -# define endGC_obj_kinds (beginGC_obj_kinds + (sizeof GC_obj_kinds)) - -/* Variables that used to be in GC_arrays, but need to be accessed by */ -/* inline allocation code. If they were in GC_arrays, the inlined */ -/* allocation code would include GC_arrays offsets (as it did), which */ -/* introduce maintenance problems. */ - -#ifdef SEPARATE_GLOBALS - word GC_bytes_allocd; - /* Number of words allocated during this collection cycle */ - ptr_t GC_objfreelist[MAXOBJGRANULES+1]; - /* free list for NORMAL objects */ -# define beginGC_objfreelist ((ptr_t)(&GC_objfreelist)) -# define endGC_objfreelist (beginGC_objfreelist + sizeof(GC_objfreelist)) - - ptr_t GC_aobjfreelist[MAXOBJGRANULES+1]; - /* free list for atomic (PTRFREE) objs */ -# define beginGC_aobjfreelist ((ptr_t)(&GC_aobjfreelist)) -# define endGC_aobjfreelist (beginGC_aobjfreelist + sizeof(GC_aobjfreelist)) -#endif - -/* Predefined kinds: */ -# define PTRFREE 0 -# define NORMAL 1 -# define UNCOLLECTABLE 2 -# ifdef ATOMIC_UNCOLLECTABLE -# define AUNCOLLECTABLE 3 -# define STUBBORN 4 -# define IS_UNCOLLECTABLE(k) (((k) & ~1) == UNCOLLECTABLE) -# else -# define STUBBORN 3 -# define IS_UNCOLLECTABLE(k) ((k) == UNCOLLECTABLE) -# endif - -extern unsigned GC_n_kinds; - -GC_API word GC_fo_entries; - -extern word GC_n_heap_sects; /* Number of separately added heap */ - /* sections. */ - -#ifdef USE_PROC_FOR_LIBRARIES - extern word GC_n_memory; /* Number of GET_MEM allocated memory */ - /* sections. */ -#endif - -extern word GC_page_size; - -# if defined(MSWIN32) || defined(MSWINCE) - struct _SYSTEM_INFO; - extern struct _SYSTEM_INFO GC_sysinfo; - extern word GC_n_heap_bases; /* See GC_heap_bases. */ -# endif - -extern word GC_total_stack_black_listed; - /* Number of bytes on stack blacklist. */ - -extern word GC_black_list_spacing; - /* Average number of bytes between blacklisted */ - /* blocks. Approximate. */ - /* Counts only blocks that are */ - /* "stack-blacklisted", i.e. that are */ - /* problematic in the interior of an object. */ - -extern struct hblk * GC_hblkfreelist[]; - /* List of completely empty heap blocks */ - /* Linked through hb_next field of */ - /* header structure associated with */ - /* block. */ - -extern GC_bool GC_objects_are_marked; /* There are marked objects in */ - /* the heap. */ - -#ifndef SMALL_CONFIG - extern GC_bool GC_incremental; - /* Using incremental/generational collection. */ -# define TRUE_INCREMENTAL \ - (GC_incremental && GC_time_limit != GC_TIME_UNLIMITED) - /* True incremental, not just generational, mode */ -#else -# define GC_incremental FALSE - /* Hopefully allow optimizer to remove some code. */ -# define TRUE_INCREMENTAL FALSE -#endif - -extern GC_bool GC_dirty_maintained; - /* Dirty bits are being maintained, */ - /* either for incremental collection, */ - /* or to limit the root set. */ - -extern word GC_root_size; /* Total size of registered root sections */ - -extern GC_bool GC_debugging_started; /* GC_debug_malloc has been called. */ - -extern long GC_large_alloc_warn_interval; - /* Interval between unsuppressed warnings. */ - -extern long GC_large_alloc_warn_suppressed; - /* Number of warnings suppressed so far. */ - -#ifdef THREADS - extern GC_bool GC_world_stopped; -#endif - -/* Operations */ -# ifndef abs -# define abs(x) ((x) < 0? (-(x)) : (x)) -# endif - - -/* Marks are in a reserved area in */ -/* each heap block. Each word has one mark bit associated */ -/* with it. Only those corresponding to the beginning of an */ -/* object are used. */ - -/* Set mark bit correctly, even if mark bits may be concurrently */ -/* accessed. */ -#ifdef PARALLEL_MARK -# define OR_WORD(addr, bits) \ - { AO_or((volatile AO_t *)(addr), (AO_t)bits); } -#else -# define OR_WORD(addr, bits) *(addr) |= (bits) -#endif - -/* Mark bit operations */ - -/* - * Retrieve, set, clear the nth mark bit in a given heap block. - * - * (Recall that bit n corresponds to nth object or allocation granule - * relative to the beginning of the block, including unused words) - */ - -#ifdef USE_MARK_BYTES -# define mark_bit_from_hdr(hhdr,n) ((hhdr)->hb_marks[n]) -# define set_mark_bit_from_hdr(hhdr,n) ((hhdr)->hb_marks[n]) = 1 -# define clear_mark_bit_from_hdr(hhdr,n) ((hhdr)->hb_marks[n]) = 0 -#else /* !USE_MARK_BYTES */ -# define mark_bit_from_hdr(hhdr,n) (((hhdr)->hb_marks[divWORDSZ(n)] \ - >> (modWORDSZ(n))) & (word)1) -# define set_mark_bit_from_hdr(hhdr,n) \ - OR_WORD((hhdr)->hb_marks+divWORDSZ(n), \ - (word)1 << modWORDSZ(n)) -# define clear_mark_bit_from_hdr(hhdr,n) (hhdr)->hb_marks[divWORDSZ(n)] \ - &= ~((word)1 << modWORDSZ(n)) -#endif /* !USE_MARK_BYTES */ - -#ifdef MARK_BIT_PER_OBJ -# define MARK_BIT_NO(offset, sz) (((unsigned)(offset))/(sz)) - /* Get the mark bit index corresponding to the given byte */ - /* offset and size (in bytes). */ -# define MARK_BIT_OFFSET(sz) 1 - /* Spacing between useful mark bits. */ -# define IF_PER_OBJ(x) x -# define FINAL_MARK_BIT(sz) ((sz) > MAXOBJBYTES? 1 : HBLK_OBJS(sz)) - /* Position of final, always set, mark bit. */ -#else /* MARK_BIT_PER_GRANULE */ -# define MARK_BIT_NO(offset, sz) BYTES_TO_GRANULES((unsigned)(offset)) -# define MARK_BIT_OFFSET(sz) BYTES_TO_GRANULES(sz) -# define IF_PER_OBJ(x) -# define FINAL_MARK_BIT(sz) \ - ((sz) > MAXOBJBYTES? MARK_BITS_PER_HBLK \ - : BYTES_TO_GRANULES(sz * HBLK_OBJS(sz))) -#endif - -/* Important internal collector routines */ - -ptr_t GC_approx_sp(void); - -GC_bool GC_should_collect(void); - -void GC_apply_to_all_blocks(void (*fn) (struct hblk *h, word client_data), - word client_data); - /* Invoke fn(hbp, client_data) for each */ - /* allocated heap block. */ -struct hblk * GC_next_used_block(struct hblk * h); - /* Return first in-use block >= h */ -struct hblk * GC_prev_block(struct hblk * h); - /* Return last block <= h. Returned block */ - /* is managed by GC, but may or may not be in */ - /* use. */ -void GC_mark_init(void); -void GC_clear_marks(void); /* Clear mark bits for all heap objects. */ -void GC_invalidate_mark_state(void); - /* Tell the marker that marked */ - /* objects may point to unmarked */ - /* ones, and roots may point to */ - /* unmarked objects. */ - /* Reset mark stack. */ -GC_bool GC_mark_stack_empty(void); -GC_bool GC_mark_some(ptr_t cold_gc_frame); - /* Perform about one pages worth of marking */ - /* work of whatever kind is needed. Returns */ - /* quickly if no collection is in progress. */ - /* Return TRUE if mark phase finished. */ -void GC_initiate_gc(void); - /* initiate collection. */ - /* If the mark state is invalid, this */ - /* becomes full colleection. Otherwise */ - /* it's partial. */ -void GC_push_all(ptr_t bottom, ptr_t top); - /* Push everything in a range */ - /* onto mark stack. */ -void GC_push_selected(ptr_t bottom, ptr_t top, - int (*dirty_fn) (struct hblk *h), - void (*push_fn) (ptr_t bottom, ptr_t top) ); - /* Push all pages h in [b,t) s.t. */ - /* select_fn(h) != 0 onto mark stack. */ -#ifndef SMALL_CONFIG - void GC_push_conditional (ptr_t b, ptr_t t, GC_bool all); -#else -# define GC_push_conditional(b, t, all) GC_push_all(b, t) -#endif - /* Do either of the above, depending */ - /* on the third arg. */ -void GC_push_all_stack (ptr_t b, ptr_t t); - /* As above, but consider */ - /* interior pointers as valid */ -void GC_push_all_eager (ptr_t b, ptr_t t); - /* Same as GC_push_all_stack, but */ - /* ensures that stack is scanned */ - /* immediately, not just scheduled */ - /* for scanning. */ -#ifndef THREADS - void GC_push_all_stack_partially_eager(ptr_t bottom, ptr_t top, - ptr_t cold_gc_frame); - /* Similar to GC_push_all_eager, but only the */ - /* part hotter than cold_gc_frame is scanned */ - /* immediately. Needed to ensure that callee- */ - /* save registers are not missed. */ -#else - /* In the threads case, we push part of the current thread stack */ - /* with GC_push_all_eager when we push the registers. This gets the */ - /* callee-save registers that may disappear. The remainder of the */ - /* stacks are scheduled for scanning in *GC_push_other_roots, which */ - /* is thread-package-specific. */ -#endif -void GC_push_current_stack(ptr_t cold_gc_frame, void *context); - /* Push enough of the current stack eagerly to */ - /* ensure that callee-save registers saved in */ - /* GC frames are scanned. */ - /* In the non-threads case, schedule entire */ - /* stack for scanning. */ - /* The second argument is a pointer to the */ - /* (possibly null) thread context, for */ - /* (currently hypothetical) more precise */ - /* stack scanning. */ -void GC_push_roots(GC_bool all, ptr_t cold_gc_frame); - /* Push all or dirty roots. */ -extern void (*GC_push_other_roots)(void); - /* Push system or application specific roots */ - /* onto the mark stack. In some environments */ - /* (e.g. threads environments) this is */ - /* predfined to be non-zero. A client supplied */ - /* replacement should also call the original */ - /* function. */ -extern void GC_push_gc_structures(void); - /* Push GC internal roots. These are normally */ - /* included in the static data segment, and */ - /* Thus implicitly pushed. But we must do this */ - /* explicitly if normal root processing is */ - /* disabled. Calls the following: */ - extern void GC_push_finalizer_structures(void); - extern void GC_push_stubborn_structures (void); -# ifdef THREADS - extern void GC_push_thread_structures (void); -# endif - extern void (*GC_push_typed_structures) (void); - /* A pointer such that we can avoid linking in */ - /* the typed allocation support if unused. */ -extern void (*GC_start_call_back) (void); - /* Called at start of full collections. */ - /* Not called if 0. Called with allocation */ - /* lock held. */ - /* 0 by default. */ -void GC_push_regs_and_stack(ptr_t cold_gc_frame); - -void GC_push_regs(void); - -void GC_with_callee_saves_pushed(void (*fn)(ptr_t, void *), - ptr_t arg); - -# if defined(SPARC) || defined(IA64) - /* Cause all stacked registers to be saved in memory. Return a */ - /* pointer to the top of the corresponding memory stack. */ - ptr_t GC_save_regs_in_stack(void); -# endif - /* Push register contents onto mark stack. */ - /* If NURSERY is defined, the default push */ - /* action can be overridden with GC_push_proc */ - -# ifdef NURSERY - extern void (*GC_push_proc)(ptr_t); -# endif -# if defined(MSWIN32) || defined(MSWINCE) - void __cdecl GC_push_one(word p); -# else - void GC_push_one(word p); - /* If p points to an object, mark it */ - /* and push contents on the mark stack */ - /* Pointer recognition test always */ - /* accepts interior pointers, i.e. this */ - /* is appropriate for pointers found on */ - /* stack. */ -# endif -# if defined(PRINT_BLACK_LIST) || defined(KEEP_BACK_PTRS) - void GC_mark_and_push_stack(ptr_t p, ptr_t source); - /* Ditto, omits plausibility test */ -# else - void GC_mark_and_push_stack(ptr_t p); -# endif -void GC_push_marked(struct hblk * h, hdr * hhdr); - /* Push contents of all marked objects in h onto */ - /* mark stack. */ -#ifdef SMALL_CONFIG -# define GC_push_next_marked_dirty(h) GC_push_next_marked(h) -#else - struct hblk * GC_push_next_marked_dirty(struct hblk * h); - /* Invoke GC_push_marked on next dirty block above h. */ - /* Return a pointer just past the end of this block. */ -#endif /* !SMALL_CONFIG */ -struct hblk * GC_push_next_marked(struct hblk * h); - /* Ditto, but also mark from clean pages. */ -struct hblk * GC_push_next_marked_uncollectable(struct hblk * h); - /* Ditto, but mark only from uncollectable pages. */ -GC_bool GC_stopped_mark(GC_stop_func stop_func); - /* Stop world and mark from all roots */ - /* and rescuers. */ -void GC_clear_hdr_marks(hdr * hhdr); - /* Clear the mark bits in a header */ -void GC_set_hdr_marks(hdr * hhdr); - /* Set the mark bits in a header */ -void GC_set_fl_marks(ptr_t p); - /* Set all mark bits associated with */ - /* a free list. */ -#ifdef GC_ASSERTIONS - void GC_check_fl_marks(ptr_t p); - /* Check that all mark bits */ - /* associated with a free list are */ - /* set. Abort if not. */ -#endif -void GC_add_roots_inner(ptr_t b, ptr_t e, GC_bool tmp); -void GC_remove_roots_inner(ptr_t b, ptr_t e); -GC_bool GC_is_static_root(ptr_t p); - /* Is the address p in one of the registered static */ - /* root sections? */ -# if defined(MSWIN32) || defined(_WIN32_WCE_EMULATION) -GC_bool GC_is_tmp_root(ptr_t p); - /* Is the address p in one of the temporary static */ - /* root sections? */ -# endif -void GC_register_dynamic_libraries(void); - /* Add dynamic library data sections to the root set. */ -void GC_cond_register_dynamic_libraries(void); - /* Remove and reregister dynamic libraries if we're */ - /* configured to do that at each GC. */ - -GC_bool GC_register_main_static_data(void); - /* We need to register the main data segment. Returns */ - /* TRUE unless this is done implicitly as part of */ - /* dynamic library registration. */ - -/* Machine dependent startup routines */ -ptr_t GC_get_main_stack_base(void); /* Cold end of stack */ -#ifdef IA64 - ptr_t GC_get_register_stack_base(void); - /* Cold end of register stack. */ -#endif -void GC_register_data_segments(void); - -/* Black listing: */ -void GC_bl_init(void); -# ifdef PRINT_BLACK_LIST - void GC_add_to_black_list_normal(word p, ptr_t source); - /* Register bits as a possible future false */ - /* reference from the heap or static data */ -# define GC_ADD_TO_BLACK_LIST_NORMAL(bits, source) \ - if (GC_all_interior_pointers) { \ - GC_add_to_black_list_stack((word)(bits), (source)); \ - } else { \ - GC_add_to_black_list_normal((word)(bits), (source)); \ - } -# else - void GC_add_to_black_list_normal(word p); -# define GC_ADD_TO_BLACK_LIST_NORMAL(bits, source) \ - if (GC_all_interior_pointers) { \ - GC_add_to_black_list_stack((word)(bits)); \ - } else { \ - GC_add_to_black_list_normal((word)(bits)); \ - } -# endif - -# ifdef PRINT_BLACK_LIST - void GC_add_to_black_list_stack(word p, ptr_t source); -# define GC_ADD_TO_BLACK_LIST_STACK(bits, source) \ - GC_add_to_black_list_stack((word)(bits), (source)) -# else - void GC_add_to_black_list_stack(word p); -# define GC_ADD_TO_BLACK_LIST_STACK(bits, source) \ - GC_add_to_black_list_stack((word)(bits)) -# endif -struct hblk * GC_is_black_listed(struct hblk * h, word len); - /* If there are likely to be false references */ - /* to a block starting at h of the indicated */ - /* length, then return the next plausible */ - /* starting location for h that might avoid */ - /* these false references. */ -void GC_promote_black_lists(void); - /* Declare an end to a black listing phase. */ -void GC_unpromote_black_lists(void); - /* Approximately undo the effect of the above. */ - /* This actually loses some information, but */ - /* only in a reasonably safe way. */ -word GC_number_stack_black_listed(struct hblk *start, struct hblk *endp1); - /* Return the number of (stack) blacklisted */ - /* blocks in the range for statistical */ - /* purposes. */ - -ptr_t GC_scratch_alloc(size_t bytes); - /* GC internal memory allocation for */ - /* small objects. Deallocation is not */ - /* possible. */ - -/* Heap block layout maps: */ -GC_bool GC_add_map_entry(size_t sz); - /* Add a heap block map for objects of */ - /* size sz to obj_map. */ - /* Return FALSE on failure. */ -void GC_register_displacement_inner(size_t offset); - /* Version of GC_register_displacement */ - /* that assumes lock is already held */ - /* and signals are already disabled. */ - -void GC_initialize_offsets(void); - /* Initialize GC_valid_offsets, */ - /* depending on current */ - /* GC_all_interior_pointers settings. */ - -/* hblk allocation: */ -void GC_new_hblk(size_t size_in_granules, int kind); - /* Allocate a new heap block, and build */ - /* a free list in it. */ - -ptr_t GC_build_fl(struct hblk *h, size_t words, GC_bool clear, ptr_t list); - /* Build a free list for objects of */ - /* size sz in block h. Append list to */ - /* end of the free lists. Possibly */ - /* clear objects on the list. Normally */ - /* called by GC_new_hblk, but also */ - /* called explicitly without GC lock. */ - -struct hblk * GC_allochblk (size_t size_in_bytes, int kind, - unsigned flags); - /* Allocate a heap block, inform */ - /* the marker that block is valid */ - /* for objects of indicated size. */ - -ptr_t GC_alloc_large (size_t lb, int k, unsigned flags); - /* Allocate a large block of size lb bytes. */ - /* The block is not cleared. */ - /* Flags is 0 or IGNORE_OFF_PAGE. */ - /* Calls GC_allchblk to do the actual */ - /* allocation, but also triggers GC and/or */ - /* heap expansion as appropriate. */ - /* Does not update GC_bytes_allocd, but does */ - /* other accounting. */ - -ptr_t GC_alloc_large_and_clear(size_t lb, int k, unsigned flags); - /* As above, but clear block if appropriate */ - /* for kind k. */ - -void GC_freehblk(struct hblk * p); - /* Deallocate a heap block and mark it */ - /* as invalid. */ - -/* Misc GC: */ -void GC_init_inner(void); -GC_bool GC_expand_hp_inner(word n); -void GC_start_reclaim(int abort_if_found); - /* Restore unmarked objects to free */ - /* lists, or (if abort_if_found is */ - /* TRUE) report them. */ - /* Sweeping of small object pages is */ - /* largely deferred. */ -void GC_continue_reclaim(size_t sz, int kind); - /* Sweep pages of the given size and */ - /* kind, as long as possible, and */ - /* as long as the corr. free list is */ - /* empty. Sz is in granules. */ -void GC_reclaim_or_delete_all(void); - /* Arrange for all reclaim lists to be */ - /* empty. Judiciously choose between */ - /* sweeping and discarding each page. */ -GC_bool GC_reclaim_all(GC_stop_func stop_func, GC_bool ignore_old); - /* Reclaim all blocks. Abort (in a */ - /* consistent state) if f returns TRUE. */ -ptr_t GC_reclaim_generic(struct hblk * hbp, hdr *hhdr, size_t sz, - GC_bool init, ptr_t list, signed_word *count); - /* Rebuild free list in hbp with */ - /* header hhdr, with objects of size sz */ - /* bytes. Add list to the end of the */ - /* free list. Add the number of */ - /* reclaimed bytes to *count. */ -GC_bool GC_block_empty(hdr * hhdr); - /* Block completely unmarked? */ -GC_bool GC_never_stop_func(void); - /* Returns FALSE. */ -GC_bool GC_try_to_collect_inner(GC_stop_func f); - - /* Collect; caller must have acquired */ - /* lock and disabled signals. */ - /* Collection is aborted if f returns */ - /* TRUE. Returns TRUE if it completes */ - /* successfully. */ -# define GC_gcollect_inner() \ - (void) GC_try_to_collect_inner(GC_never_stop_func) -void GC_finish_collection(void); - /* Finish collection. Mark bits are */ - /* consistent and lock is still held. */ -GC_bool GC_collect_or_expand(word needed_blocks, GC_bool ignore_off_page); - /* Collect or expand heap in an attempt */ - /* make the indicated number of free */ - /* blocks available. Should be called */ - /* until the blocks are available or */ - /* until it fails by returning FALSE. */ - -extern GC_bool GC_is_initialized; /* GC_init() has been run. */ - -#if defined(MSWIN32) || defined(MSWINCE) - void GC_deinit(void); - /* Free any resources allocated by */ - /* GC_init */ -#endif - -void GC_collect_a_little_inner(int n); - /* Do n units worth of garbage */ - /* collection work, if appropriate. */ - /* A unit is an amount appropriate for */ - /* HBLKSIZE bytes of allocation. */ -/* void * GC_generic_malloc(size_t lb, int k); */ - /* Allocate an object of the given */ - /* kind. By default, there are only */ - /* a few kinds: composite(pointerfree), */ - /* atomic, uncollectable, etc. */ - /* We claim it's possible for clever */ - /* client code that understands GC */ - /* internals to add more, e.g. to */ - /* communicate object layout info */ - /* to the collector. */ - /* The actual decl is in gc_mark.h. */ -void * GC_generic_malloc_ignore_off_page(size_t b, int k); - /* As above, but pointers past the */ - /* first page of the resulting object */ - /* are ignored. */ -void * GC_generic_malloc_inner(size_t lb, int k); - /* Ditto, but I already hold lock, etc. */ -void * GC_generic_malloc_inner_ignore_off_page(size_t lb, int k); - /* Allocate an object, where */ - /* the client guarantees that there */ - /* will always be a pointer to the */ - /* beginning of the object while the */ - /* object is live. */ -void GC_generic_malloc_many(size_t lb, int k, void **result); - /* Store a pointer to a list of newly */ - /* allocated objects of kind k and size */ - /* lb in *result. */ - /* Caler must make sure that *result is */ - /* traced even if objects are ptrfree. */ -ptr_t GC_allocobj(size_t sz, int kind); - /* Make the indicated */ - /* free list nonempty, and return its */ - /* head. Sz is in granules. */ - -/* Allocation routines that bypass the thread local cache. */ -/* Used internally. */ -#ifdef THREAD_LOCAL_ALLOC - void * GC_core_malloc(size_t); - void * GC_core_malloc_atomic(size_t); -# ifdef GC_GCJ_SUPPORT - void *GC_core_gcj_malloc(size_t, void *); -# endif -#endif /* THREAD_LOCAL_ALLOC */ - -void GC_free_inner(void * p); -void GC_debug_free_inner(void * p); - -void GC_init_headers(void); -struct hblkhdr * GC_install_header(struct hblk *h); - /* Install a header for block h. */ - /* Return 0 on failure, or the header */ - /* otherwise. */ -GC_bool GC_install_counts(struct hblk * h, size_t sz); - /* Set up forwarding counts for block */ - /* h of size sz. */ - /* Return FALSE on failure. */ -void GC_remove_header(struct hblk * h); - /* Remove the header for block h. */ -void GC_remove_counts(struct hblk * h, size_t sz); - /* Remove forwarding counts for h. */ -hdr * GC_find_header(ptr_t h); /* Debugging only. */ - -void GC_finalize(void); - /* Perform all indicated finalization actions */ - /* on unmarked objects. */ - /* Unreachable finalizable objects are enqueued */ - /* for processing by GC_invoke_finalizers. */ - /* Invoked with lock. */ - -void GC_notify_or_invoke_finalizers(void); - /* If GC_finalize_on_demand is not set, invoke */ - /* eligible finalizers. Otherwise: */ - /* Call *GC_finalizer_notifier if there are */ - /* finalizers to be run, and we haven't called */ - /* this procedure yet this GC cycle. */ - -GC_API void * GC_make_closure(GC_finalization_proc fn, void * data); -GC_API void GC_debug_invoke_finalizer(void * obj, void * data); - /* Auxiliary fns to make finalization work */ - /* correctly with displaced pointers introduced */ - /* by the debugging allocators. */ - -void GC_add_to_heap(struct hblk *p, size_t bytes); - /* Add a HBLKSIZE aligned chunk to the heap. */ - -#ifdef USE_PROC_FOR_LIBRARIES - void GC_add_to_our_memory(ptr_t p, size_t bytes); - /* Add a chunk to GC_our_memory. */ - /* If p == 0, do nothing. */ -#else -# define GC_add_to_our_memory(p, bytes) -#endif - -void GC_print_obj(ptr_t p); - /* P points to somewhere inside an object with */ - /* debugging info. Print a human readable */ - /* description of the object to stderr. */ -extern void (*GC_check_heap)(void); - /* Check that all objects in the heap with */ - /* debugging info are intact. */ - /* Add any that are not to GC_smashed list. */ -extern void (*GC_print_all_smashed) (void); - /* Print GC_smashed if it's not empty. */ - /* Clear GC_smashed list. */ -extern void GC_print_all_errors (void); - /* Print smashed and leaked objects, if any. */ - /* Clear the lists of such objects. */ -extern void (*GC_print_heap_obj) (ptr_t p); - /* If possible print s followed by a more */ - /* detailed description of the object */ - /* referred to by p. */ -#if defined(LINUX) && defined(__ELF__) && !defined(SMALL_CONFIG) - void GC_print_address_map (void); - /* Print an address map of the process. */ -#endif - -extern GC_bool GC_have_errors; /* We saw a smashed or leaked object. */ - /* Call error printing routine */ - /* occasionally. */ - -#ifndef SMALL_CONFIG - extern int GC_print_stats; /* Nonzero generates basic GC log. */ - /* VERBOSE generates add'l messages. */ -#else -# define GC_print_stats 0 - /* Will this keep the message character strings from the executable? */ - /* It should ... */ -#endif -#define VERBOSE 2 - -#ifndef NO_DEBUGGING - extern GC_bool GC_dump_regularly; /* Generate regular debugging dumps. */ -# define COND_DUMP if (GC_dump_regularly) GC_dump(); -#else -# define COND_DUMP -#endif - -#ifdef KEEP_BACK_PTRS - extern long GC_backtraces; - void GC_generate_random_backtrace_no_gc(void); -#endif - -extern GC_bool GC_print_back_height; - -#ifdef MAKE_BACK_GRAPH - void GC_print_back_graph_stats(void); -#endif - -/* Macros used for collector internal allocation. */ -/* These assume the collector lock is held. */ -#ifdef DBG_HDRS_ALL - extern void * GC_debug_generic_malloc_inner(size_t lb, int k); - extern void * GC_debug_generic_malloc_inner_ignore_off_page(size_t lb, - int k); -# define GC_INTERNAL_MALLOC GC_debug_generic_malloc_inner -# define GC_INTERNAL_MALLOC_IGNORE_OFF_PAGE \ - GC_debug_generic_malloc_inner_ignore_off_page -# ifdef THREADS -# define GC_INTERNAL_FREE GC_debug_free_inner -# else -# define GC_INTERNAL_FREE GC_debug_free -# endif -#else -# define GC_INTERNAL_MALLOC GC_generic_malloc_inner -# define GC_INTERNAL_MALLOC_IGNORE_OFF_PAGE \ - GC_generic_malloc_inner_ignore_off_page -# ifdef THREADS -# define GC_INTERNAL_FREE GC_free_inner -# else -# define GC_INTERNAL_FREE GC_free -# endif -#endif - -/* Memory unmapping: */ -#ifdef USE_MUNMAP - void GC_unmap_old(void); - void GC_merge_unmapped(void); - void GC_unmap(ptr_t start, size_t bytes); - void GC_remap(ptr_t start, size_t bytes); - void GC_unmap_gap(ptr_t start1, size_t bytes1, ptr_t start2, size_t bytes2); -#endif - -/* Virtual dirty bit implementation: */ -/* Each implementation exports the following: */ -void GC_read_dirty(void); - /* Retrieve dirty bits. */ -GC_bool GC_page_was_dirty(struct hblk *h); - /* Read retrieved dirty bits. */ -GC_bool GC_page_was_ever_dirty(struct hblk *h); - /* Could the page contain valid heap pointers? */ -void GC_remove_protection(struct hblk *h, word nblocks, - GC_bool pointerfree); - /* h is about to be writteni or allocated. Ensure */ - /* that it's not write protected by the virtual */ - /* dirty bit implementation. */ - -void GC_dirty_init(void); - -/* Slow/general mark bit manipulation: */ -GC_API GC_bool GC_is_marked(ptr_t p); -void GC_clear_mark_bit(ptr_t p); -void GC_set_mark_bit(ptr_t p); - -/* Stubborn objects: */ -void GC_read_changed(void); /* Analogous to GC_read_dirty */ -GC_bool GC_page_was_changed(struct hblk * h); - /* Analogous to GC_page_was_dirty */ -void GC_clean_changing_list(void); - /* Collect obsolete changing list entries */ -void GC_stubborn_init(void); - -/* Debugging print routines: */ -void GC_print_block_list(void); -void GC_print_hblkfreelist(void); -void GC_print_heap_sects(void); -void GC_print_static_roots(void); -void GC_print_finalization_stats(void); -/* void GC_dump(void); - declared in gc.h */ - -#ifdef KEEP_BACK_PTRS - void GC_store_back_pointer(ptr_t source, ptr_t dest); - void GC_marked_for_finalization(ptr_t dest); -# define GC_STORE_BACK_PTR(source, dest) GC_store_back_pointer(source, dest) -# define GC_MARKED_FOR_FINALIZATION(dest) GC_marked_for_finalization(dest) -#else -# define GC_STORE_BACK_PTR(source, dest) -# define GC_MARKED_FOR_FINALIZATION(dest) -#endif - -/* Make arguments appear live to compiler */ -# ifdef __WATCOMC__ - void GC_noop(void*, ...); -# else -# ifdef __DMC__ - GC_API void GC_noop(...); -# else - GC_API void GC_noop(); -# endif -# endif - -void GC_noop1(word); - -/* Logging and diagnostic output: */ -GC_API void GC_printf (const char * format, ...); - /* A version of printf that doesn't allocate, */ - /* 1K total output length. */ - /* (We use sprintf. Hopefully that doesn't */ - /* allocate for long arguments.) */ -GC_API void GC_err_printf(const char * format, ...); -GC_API void GC_log_printf(const char * format, ...); -void GC_err_puts(const char *s); - /* Write s to stderr, don't buffer, don't add */ - /* newlines, don't ... */ - -#if defined(LINUX) && !defined(SMALL_CONFIG) - void GC_err_write(const char *buf, size_t len); - /* Write buf to stderr, don't buffer, don't add */ - /* newlines, don't ... */ -#endif - - -# ifdef GC_ASSERTIONS -# define GC_ASSERT(expr) if(!(expr)) {\ - GC_err_printf("Assertion failure: %s:%ld\n", \ - __FILE__, (unsigned long)__LINE__); \ - ABORT("assertion failure"); } -# else -# define GC_ASSERT(expr) -# endif - -/* Check a compile time assertion at compile time. The error */ -/* message for failure is a bit baroque, but ... */ -#if defined(mips) && !defined(__GNUC__) -/* DOB: MIPSPro C gets an internal error taking the sizeof an array type. - This code works correctly (ugliness is to avoid "unused var" warnings) */ -# define GC_STATIC_ASSERT(expr) do { if (0) { char j[(expr)? 1 : -1]; j[0]='\0'; j[0]=j[0]; } } while(0) -#else -# define GC_STATIC_ASSERT(expr) sizeof(char[(expr)? 1 : -1]) -#endif - -# if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - /* We need additional synchronization facilities from the thread */ - /* support. We believe these are less performance critical */ - /* than the main garbage collector lock; standard pthreads-based */ - /* implementations should be sufficient. */ - - /* The mark lock and condition variable. If the GC lock is also */ - /* acquired, the GC lock must be acquired first. The mark lock is */ - /* used to both protect some variables used by the parallel */ - /* marker, and to protect GC_fl_builder_count, below. */ - /* GC_notify_all_marker() is called when */ - /* the state of the parallel marker changes */ - /* in some significant way (see gc_mark.h for details). The */ - /* latter set of events includes incrementing GC_mark_no. */ - /* GC_notify_all_builder() is called when GC_fl_builder_count */ - /* reaches 0. */ - - extern void GC_acquire_mark_lock(); - extern void GC_release_mark_lock(); - extern void GC_notify_all_builder(); - /* extern void GC_wait_builder(); */ - extern void GC_wait_for_reclaim(); - - extern word GC_fl_builder_count; /* Protected by mark lock. */ -# endif /* PARALLEL_MARK || THREAD_LOCAL_ALLOC */ -# ifdef PARALLEL_MARK - extern void GC_notify_all_marker(); - extern void GC_wait_marker(); - extern word GC_mark_no; /* Protected by mark lock. */ - - extern void GC_help_marker(word my_mark_no); - /* Try to help out parallel marker for mark cycle */ - /* my_mark_no. Returns if the mark cycle finishes or */ - /* was already done, or there was nothing to do for */ - /* some other reason. */ -# endif /* PARALLEL_MARK */ - -# if defined(GC_PTHREADS) - /* We define the thread suspension signal here, so that we can refer */ - /* to it in the dirty bit implementation, if necessary. Ideally we */ - /* would allocate a (real-time ?) signal using the standard mechanism.*/ - /* unfortunately, there is no standard mechanism. (There is one */ - /* in Linux glibc, but it's not exported.) Thus we continue to use */ - /* the same hard-coded signals we've always used. */ -# if !defined(SIG_SUSPEND) -# if defined(GC_LINUX_THREADS) || defined(GC_DGUX386_THREADS) -# if defined(SPARC) && !defined(SIGPWR) - /* SPARC/Linux doesn't properly define SIGPWR in . - * It is aliased to SIGLOST in asm/signal.h, though. */ -# define SIG_SUSPEND SIGLOST -# else - /* Linuxthreads itself uses SIGUSR1 and SIGUSR2. */ -# define SIG_SUSPEND SIGPWR -# endif -# else /* !GC_LINUX_THREADS */ -# if defined(_SIGRTMIN) -# define SIG_SUSPEND _SIGRTMIN + 6 -# else -# define SIG_SUSPEND SIGRTMIN + 6 -# endif -# endif -# endif /* !SIG_SUSPEND */ - -# endif - -/* Some macros for setjmp that works across signal handlers */ -/* were possible, and a couple of routines to facilitate */ -/* catching accesses to bad addresses when that's */ -/* possible/needed. */ -#ifdef UNIX_LIKE -# include -# if defined(SUNOS5SIGS) && !defined(FREEBSD) -# include -# endif - /* Define SETJMP and friends to be the version that restores */ - /* the signal mask. */ -# define SETJMP(env) sigsetjmp(env, 1) -# define LONGJMP(env, val) siglongjmp(env, val) -# define JMP_BUF sigjmp_buf -#else -# ifdef ECOS -# define SETJMP(env) hal_setjmp(env) -# else -# define SETJMP(env) setjmp(env) -# endif -# define LONGJMP(env, val) longjmp(env, val) -# define JMP_BUF jmp_buf -#endif - -/* Do we need the GC_find_limit machinery to find the end of a */ -/* data segment. */ -# if defined(HEURISTIC2) || defined(SEARCH_FOR_DATA_START) -# define NEED_FIND_LIMIT -# endif - -# if !defined(STACKBOTTOM) && defined(HEURISTIC2) -# define NEED_FIND_LIMIT -# endif - -# if (defined(SVR4) || defined(AUX) || defined(DGUX) \ - || (defined(LINUX) && defined(SPARC))) && !defined(PCR) -# define NEED_FIND_LIMIT -# endif - -#if defined(FREEBSD) && (defined(I386) || defined(X86_64) || defined(powerpc) \ - || defined(__powerpc__)) -# include -# if !defined(PCR) -# define NEED_FIND_LIMIT -# endif -#endif - -#if (defined(NETBSD) || defined(OPENBSD)) && defined(__ELF__) \ - && !defined(NEED_FIND_LIMIT) - /* Used by GC_init_netbsd_elf() in os_dep.c. */ -# define NEED_FIND_LIMIT -#endif - -#if defined(IA64) && !defined(NEED_FIND_LIMIT) -# define NEED_FIND_LIMIT - /* May be needed for register backing store base. */ -#endif - -# if defined(NEED_FIND_LIMIT) || \ - defined(USE_PROC_FOR_LIBRARIES) && defined(THREADS) -JMP_BUF GC_jmp_buf; - -/* Set up a handler for address faults which will longjmp to */ -/* GC_jmp_buf; */ -extern void GC_setup_temporary_fault_handler(void); - -/* Undo the effect of GC_setup_temporary_fault_handler. */ -extern void GC_reset_fault_handler(void); - -# endif /* Need to handle address faults. */ - -# endif /* GC_PRIVATE_H */ diff --git a/vendor/gc/include/private/gcconfig.h b/vendor/gc/include/private/gcconfig.h deleted file mode 100644 index a7128f1..0000000 --- a/vendor/gc/include/private/gcconfig.h +++ /dev/null @@ -1,2364 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996 by Silicon Graphics. All rights reserved. - * Copyright (c) 2000-2004 Hewlett-Packard Development Company, L.P. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* - * This header is private to the gc. It is almost always included from - * gc_priv.h. However it is possible to include it by itself if just the - * configuration macros are needed. In that - * case, a few declarations relying on types declared in gc_priv.h will be - * omitted. - */ - -#ifndef GCCONFIG_H - -# define GCCONFIG_H - -# ifndef GC_PRIVATE_H - /* Fake ptr_t declaration, just to avoid compilation errors. */ - /* This avoids many instances if "ifndef GC_PRIVATE_H" below. */ - typedef struct GC_undefined_struct * ptr_t; -# include /* For size_t etc. */ -# endif - -/* Machine dependent parameters. Some tuning parameters can be found */ -/* near the top of gc_private.h. */ - -/* Machine specific parts contributed by various people. See README file. */ - -/* First a unified test for Linux: */ -# if defined(linux) || defined(__linux__) -# ifndef LINUX -# define LINUX -# endif -# endif - -/* And one for NetBSD: */ -# if defined(__NetBSD__) -# define NETBSD -# endif - -/* And one for OpenBSD: */ -# if defined(__OpenBSD__) -# define OPENBSD -# endif - -/* And one for FreeBSD: */ -# if (defined(__FreeBSD__) || defined(__DragonFly__) || \ - defined(__FreeBSD_kernel__)) && !defined(FREEBSD) -# define FREEBSD -# endif - -/* Determine the machine type: */ -# if defined(__arm__) || defined(__thumb__) -# define ARM32 -# if !defined(LINUX) && !defined(NETBSD) -# define NOSYS -# define mach_type_known -# endif -# endif -# if defined(sun) && defined(mc68000) -# error SUNOS4 no longer supported -# endif -# if defined(hp9000s300) -# error M68K based HP machines no longer supported. -# endif -# if defined(OPENBSD) && defined(m68k) -# define M68K -# define mach_type_known -# endif -# if defined(OPENBSD) && defined(__sparc__) -# define SPARC -# define mach_type_known -# endif -# if defined(NETBSD) && (defined(m68k) || defined(__m68k__)) -# define M68K -# define mach_type_known -# endif -# if defined(NETBSD) && defined(__powerpc__) -# define POWERPC -# define mach_type_known -# endif -# if defined(NETBSD) && (defined(__arm32__) || defined(__arm__)) -# define ARM32 -# define mach_type_known -# endif -# if defined(NETBSD) && defined(__sh__) -# define SH -# define mach_type_known -# endif -# if defined(vax) -# define VAX -# ifdef ultrix -# define ULTRIX -# else -# define BSD -# endif -# define mach_type_known -# endif -# if defined(__NetBSD__) && defined(__vax__) -# define VAX -# define mach_type_known -# endif -# if defined(mips) || defined(__mips) || defined(_mips) -# define MIPS -# if defined(nec_ews) || defined(_nec_ews) -# define EWS4800 -# endif -# if !defined(LINUX) && !defined(EWS4800) && !defined(NETBSD) -# if defined(ultrix) || defined(__ultrix) -# define ULTRIX -# else -# define IRIX5 /* or IRIX 6.X */ -# endif -# endif /* !LINUX */ -# if defined(__NetBSD__) && defined(__MIPSEL__) -# undef ULTRIX -# endif -# define mach_type_known -# endif -# if defined(DGUX) && (defined(i386) || defined(__i386__)) -# define I386 -# ifndef _USING_DGUX -# define _USING_DGUX -# endif -# define mach_type_known -# endif -# if defined(sequent) && (defined(i386) || defined(__i386__)) -# define I386 -# define SEQUENT -# define mach_type_known -# endif -# if defined(sun) && (defined(i386) || defined(__i386__)) -# define I386 -# define SOLARIS -# define mach_type_known -# endif -# if defined(sun) && defined(__amd64) -# define X86_64 -# define SOLARIS -# define mach_type_known -# endif -# if (defined(__OS2__) || defined(__EMX__)) && defined(__32BIT__) -# define I386 -# define OS2 -# define mach_type_known -# endif -# if defined(ibm032) -# error IBM PC/RT no longer supported. -# endif -# if defined(sun) && (defined(sparc) || defined(__sparc)) -# define SPARC - /* Test for SunOS 5.x */ -# include -# define SOLARIS -# define mach_type_known -# endif -# if defined(sparc) && defined(unix) && !defined(sun) && !defined(linux) \ - && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__FreeBSD__) \ - && !defined(__DragonFly__) -# define SPARC -# define DRSNX -# define mach_type_known -# endif -# if defined(_IBMR2) -# define POWERPC -# define AIX -# define mach_type_known -# endif -# if defined(__NetBSD__) && defined(__sparc__) -# define SPARC -# define mach_type_known -# endif -# if defined(_M_XENIX) && defined(_M_SYSV) && defined(_M_I386) - /* The above test may need refinement */ -# define I386 -# if defined(_SCO_ELF) -# define SCO_ELF -# else -# define SCO -# endif -# define mach_type_known -# endif -# if defined(_AUX_SOURCE) -# error A/UX no longer supported -# endif -# if defined(_PA_RISC1_0) || defined(_PA_RISC1_1) || defined(_PA_RISC2_0) \ - || defined(hppa) || defined(__hppa__) -# define HP_PA -# if !defined(LINUX) && !defined(HPUX) -# define HPUX -# endif -# define mach_type_known -# endif -# if defined(__ia64) && (defined(_HPUX_SOURCE) || defined(__HP_aCC)) -# define IA64 -# ifndef HPUX -# define HPUX -# endif -# define mach_type_known -# endif -# if defined(__BEOS__) && defined(_X86_) -# define I386 -# define BEOS -# define mach_type_known -# endif -# if defined(LINUX) && (defined(i386) || defined(__i386__)) -# define I386 -# define mach_type_known -# endif -# if defined(LINUX) && defined(__x86_64__) -# define X86_64 -# define mach_type_known -# endif -# if defined(LINUX) && (defined(__ia64__) || defined(__ia64)) -# define IA64 -# define mach_type_known -# endif -# if defined(LINUX) && defined(__arm__) -# define ARM32 -# define mach_type_known -# endif -# if defined(LINUX) && defined(__cris__) -# ifndef CRIS -# define CRIS -# endif -# define mach_type_known -# endif -# if defined(LINUX) && (defined(powerpc) || defined(__powerpc__) || \ - defined(powerpc64) || defined(__powerpc64__)) -# define POWERPC -# define mach_type_known -# endif -# if defined(FREEBSD) && (defined(powerpc) || defined(__powerpc__)) -# define POWERPC -# define mach_type_known -# endif -# if defined(LINUX) && defined(__mc68000__) -# define M68K -# define mach_type_known -# endif -# if defined(LINUX) && (defined(sparc) || defined(__sparc__)) -# define SPARC -# define mach_type_known -# endif -# if defined(LINUX) && defined(__arm__) -# define ARM32 -# define mach_type_known -# endif -# if defined(LINUX) && defined(__sh__) -# define SH -# define mach_type_known -# endif -# if defined(LINUX) && defined(__m32r__) -# define M32R -# define mach_type_known -# endif -# if defined(__alpha) || defined(__alpha__) -# define ALPHA -# if !defined(LINUX) && !defined(NETBSD) && !defined(OPENBSD) && !defined(FREEBSD) -# define OSF1 /* a.k.a Digital Unix */ -# endif -# define mach_type_known -# endif -# if defined(_AMIGA) && !defined(AMIGA) -# define AMIGA -# endif -# ifdef AMIGA -# define M68K -# define mach_type_known -# endif -# if defined(THINK_C) || defined(__MWERKS__) && !defined(__powerc) -# define M68K -# define MACOS -# define mach_type_known -# endif -# if defined(__MWERKS__) && defined(__powerc) && !defined(__MACH__) -# define POWERPC -# define MACOS -# define mach_type_known -# endif -# if defined(macosx) || (defined(__APPLE__) && defined(__MACH__)) -# define DARWIN -# if defined(__ppc__) || defined(__ppc64__) -# define POWERPC -# define mach_type_known -# elif defined(__x86_64__) -# define X86_64 -# define mach_type_known -# elif defined(__i386__) -# define I386 -# define mach_type_known -# endif -# endif -# if defined(NeXT) && defined(mc68000) -# define M68K -# define NEXT -# define mach_type_known -# endif -# if defined(NeXT) && (defined(i386) || defined(__i386__)) -# define I386 -# define NEXT -# define mach_type_known -# endif -# if defined(__OpenBSD__) && (defined(i386) || defined(__i386__)) -# define I386 -# define OPENBSD -# define mach_type_known -# endif -# if defined(FREEBSD) && (defined(i386) || defined(__i386__)) -# define I386 -# define mach_type_known -# endif -# if defined(FREEBSD) && defined(__x86_64__) -# define X86_64 -# define mach_type_known -# endif -# if defined(__NetBSD__) && (defined(i386) || defined(__i386__)) -# define I386 -# define mach_type_known -# endif -# if defined(__NetBSD__) && defined(__x86_64__) -# define X86_64 -# define mach_type_known -# endif -# if defined(FREEBSD) && defined(__sparc__) -# define SPARC -# define mach_type_known -# endif -# if defined(bsdi) && (defined(i386) || defined(__i386__)) -# define I386 -# define BSDI -# define mach_type_known -# endif -# if !defined(mach_type_known) && defined(__386BSD__) -# define I386 -# define THREE86BSD -# define mach_type_known -# endif -# if defined(_CX_UX) && defined(_M88K) -# define M88K -# define CX_UX -# define mach_type_known -# endif -# if defined(DGUX) && defined(m88k) -# define M88K - /* DGUX defined */ -# define mach_type_known -# endif -# if defined(_WIN32_WCE) - /* SH3, SH4, MIPS already defined for corresponding architectures */ -# if defined(SH3) || defined(SH4) -# define SH -# endif -# if defined(x86) -# define I386 -# endif -# if defined(ARM) -# define ARM32 -# endif -# define MSWINCE -# define mach_type_known -# else -# if (defined(_MSDOS) || defined(_MSC_VER)) && (_M_IX86 >= 300) \ - || defined(_WIN32) && !defined(__CYGWIN32__) && !defined(__CYGWIN__) -# if defined(__LP64__) || defined(_WIN64) -# define X86_64 -# else -# define I386 -# endif -# define MSWIN32 /* or Win64 */ -# define mach_type_known -# endif -# if defined(_MSC_VER) && defined(_M_IA64) -# define IA64 -# define MSWIN32 /* Really win64, but we don't treat 64-bit */ - /* variants as a differnt platform. */ -# endif -# endif -# if defined(__DJGPP__) -# define I386 -# ifndef DJGPP -# define DJGPP /* MSDOS running the DJGPP port of GCC */ -# endif -# define mach_type_known -# endif -# if defined(__CYGWIN32__) || defined(__CYGWIN__) -# define I386 -# define CYGWIN32 -# define mach_type_known -# endif -# if defined(__MINGW32__) -# define I386 -# define MSWIN32 -# define mach_type_known -# endif -# if defined(__BORLANDC__) -# define I386 -# define MSWIN32 -# define mach_type_known -# endif -# if defined(_UTS) && !defined(mach_type_known) -# define S370 -# define UTS4 -# define mach_type_known -# endif -# if defined(__pj__) -# error PicoJava no longer supported - /* The implementation had problems, and I haven't heard of users */ - /* in ages. If you want it resurrected, let me know. */ -# endif -# if defined(__embedded__) && defined(PPC) -# define POWERPC -# define NOSYS -# define mach_type_known -# endif -/* Ivan Demakov */ -# if defined(__WATCOMC__) && defined(__386__) -# define I386 -# if !defined(OS2) && !defined(MSWIN32) && !defined(DOS4GW) -# if defined(__OS2__) -# define OS2 -# else -# if defined(__WINDOWS_386__) || defined(__NT__) -# define MSWIN32 -# else -# define DOS4GW -# endif -# endif -# endif -# define mach_type_known -# endif -# if defined(__s390__) && defined(LINUX) -# define S390 -# define mach_type_known -# endif -# if defined(__GNU__) -# if defined(__i386__) -/* The Debian Hurd running on generic PC */ -# define HURD -# define I386 -# define mach_type_known -# endif -# endif -# if defined(__TANDEM) - /* Nonstop S-series */ - /* FIXME: Should recognize Integrity series? */ -# define MIPS -# define NONSTOP -# define mach_type_known -# endif - -/* Feel free to add more clauses here */ - -/* Or manually define the machine type here. A machine type is */ -/* characterized by the architecture. Some */ -/* machine types are further subdivided by OS. */ -/* Macros such as LINUX, FREEBSD, etc. distinguish them. */ -/* SYSV on an M68K actually means A/UX. */ -/* The distinction in these cases is usually the stack starting address */ -# ifndef mach_type_known -# error "The collector has not been ported to this machine/OS combination." -# endif - /* Mapping is: M68K ==> Motorola 680X0 */ - /* (NEXT, and SYSV (A/UX), */ - /* MACOS and AMIGA variants) */ - /* I386 ==> Intel 386 */ - /* (SEQUENT, OS2, SCO, LINUX, NETBSD, */ - /* FREEBSD, THREE86BSD, MSWIN32, */ - /* BSDI,SOLARIS, NEXT, other variants) */ - /* NS32K ==> Encore Multimax */ - /* MIPS ==> R2000 through R14K */ - /* (many variants) */ - /* VAX ==> DEC VAX */ - /* (BSD, ULTRIX variants) */ - /* HP_PA ==> HP9000/700 & /800 */ - /* HP/UX, LINUX */ - /* SPARC ==> SPARC v7/v8/v9 */ - /* (SOLARIS, LINUX, DRSNX variants) */ - /* ALPHA ==> DEC Alpha */ - /* (OSF1 and LINUX variants) */ - /* M88K ==> Motorola 88XX0 */ - /* (CX_UX and DGUX) */ - /* S370 ==> 370-like machine */ - /* running Amdahl UTS4 */ - /* S390 ==> 390-like machine */ - /* running LINUX */ - /* ARM32 ==> Intel StrongARM */ - /* IA64 ==> Intel IPF */ - /* (e.g. Itanium) */ - /* (LINUX and HPUX) */ - /* SH ==> Hitachi SuperH */ - /* (LINUX & MSWINCE) */ - /* X86_64 ==> AMD x86-64 */ - /* POWERPC ==> IBM/Apple PowerPC */ - /* (MACOS(<=9),DARWIN(incl.MACOSX),*/ - /* LINUX, NETBSD, AIX, NOSYS */ - /* variants) */ - /* Handles 32 and 64-bit variants. */ - /* CRIS ==> Axis Etrax */ - /* M32R ==> Renesas M32R */ - - -/* - * For each architecture and OS, the following need to be defined: - * - * CPP_WORDSZ is a simple integer constant representing the word size. - * in bits. We assume byte addressibility, where a byte has 8 bits. - * We also assume CPP_WORDSZ is either 32 or 64. - * (We care about the length of pointers, not hardware - * bus widths. Thus a 64 bit processor with a C compiler that uses - * 32 bit pointers should use CPP_WORDSZ of 32, not 64. Default is 32.) - * - * MACH_TYPE is a string representation of the machine type. - * OS_TYPE is analogous for the OS. - * - * ALIGNMENT is the largest N, such that - * all pointer are guaranteed to be aligned on N byte boundaries. - * defining it to be 1 will always work, but perform poorly. - * - * DATASTART is the beginning of the data segment. - * On some platforms SEARCH_FOR_DATA_START is defined. - * SEARCH_FOR_DATASTART will cause GC_data_start to - * be set to an address determined by accessing data backwards from _end - * until an unmapped page is found. DATASTART will be defined to be - * GC_data_start. - * On UNIX-like systems, the collector will scan the area between DATASTART - * and DATAEND for root pointers. - * - * DATAEND, if not `end' where `end' is defined as ``extern int end[];''. - * RTH suggests gaining access to linker script synth'd values with - * this idiom instead of `&end' where `end' is defined as ``extern int end;'' . - * Otherwise, ``GCC will assume these are in .sdata/.sbss'' and it will, e.g., - * cause failures on alpha*-*-* with ``-msmall-data or -fpic'' or mips-*-* - * without any special options. - * - * STACKBOTTOM is the cool end of the stack, which is usually the - * highest address in the stack. - * Under PCR or OS/2, we have other ways of finding thread stacks. - * For each machine, the following should: - * 1) define STACK_GROWS_UP if the stack grows toward higher addresses, and - * 2) define exactly one of - * STACKBOTTOM (should be defined to be an expression) - * LINUX_STACKBOTTOM - * HEURISTIC1 - * HEURISTIC2 - * If STACKBOTTOM is defined, then it's value will be used directly as the - * stack base. If LINUX_STACKBOTTOM is defined, then it will be determined - * with a method appropriate for most Linux systems. Currently we look - * first for __libc_stack_end (currently only id USE_LIBC_PRIVATES is - * defined), and if that fails read it from /proc. (If USE_LIBC_PRIVATES - * is not defined and NO_PROC_STAT is defined, we revert to HEURISTIC2.) - * If either of the last two macros are defined, then STACKBOTTOM is computed - * during collector startup using one of the following two heuristics: - * HEURISTIC1: Take an address inside GC_init's frame, and round it up to - * the next multiple of STACK_GRAN. - * HEURISTIC2: Take an address inside GC_init's frame, increment it repeatedly - * in small steps (decrement if STACK_GROWS_UP), and read the value - * at each location. Remember the value when the first - * Segmentation violation or Bus error is signalled. Round that - * to the nearest plausible page boundary, and use that instead - * of STACKBOTTOM. - * - * Gustavo Rodriguez-Rivera points out that on most (all?) Unix machines, - * the value of environ is a pointer that can serve as STACKBOTTOM. - * I expect that HEURISTIC2 can be replaced by this approach, which - * interferes far less with debugging. However it has the disadvantage - * that it's confused by a putenv call before the collector is initialized. - * This could be dealt with by intercepting putenv ... - * - * If no expression for STACKBOTTOM can be found, and neither of the above - * heuristics are usable, the collector can still be used with all of the above - * undefined, provided one of the following is done: - * 1) GC_mark_roots can be changed to somehow mark from the correct stack(s) - * without reference to STACKBOTTOM. This is appropriate for use in - * conjunction with thread packages, since there will be multiple stacks. - * (Allocating thread stacks in the heap, and treating them as ordinary - * heap data objects is also possible as a last resort. However, this is - * likely to introduce significant amounts of excess storage retention - * unless the dead parts of the thread stacks are periodically cleared.) - * 2) Client code may set GC_stackbottom before calling any GC_ routines. - * If the author of the client code controls the main program, this is - * easily accomplished by introducing a new main program, setting - * GC_stackbottom to the address of a local variable, and then calling - * the original main program. The new main program would read something - * like: - * - * # include "gc_private.h" - * - * main(argc, argv, envp) - * int argc; - * char **argv, **envp; - * { - * int dummy; - * - * GC_stackbottom = (ptr_t)(&dummy); - * return(real_main(argc, argv, envp)); - * } - * - * - * Each architecture may also define the style of virtual dirty bit - * implementation to be used: - * MPROTECT_VDB: Write protect the heap and catch faults. - * GWW_VDB: Use win32 GetWriteWatch primitive. - * PROC_VDB: Use the SVR4 /proc primitives to read dirty bits. - * - * The first and second one may be combined, in which case a runtime - * selection will be made, based on GetWriteWatch availability. - * - * An architecture may define DYNAMIC_LOADING if dynamic_load.c - * defined GC_register_dynamic_libraries() for the architecture. - * - * An architecture may define PREFETCH(x) to preload the cache with *x. - * This defaults to a no-op. - * - * PREFETCH_FOR_WRITE(x) is used if *x is about to be written. - * - * An architecture may also define CLEAR_DOUBLE(x) to be a fast way to - * clear the two words at GC_malloc-aligned address x. By default, - * word stores of 0 are used instead. - * - * HEAP_START may be defined as the initial address hint for mmap-based - * allocation. - */ - -/* If we are using a recent version of gcc, we can use __builtin_unwind_init() - * to push the relevant registers onto the stack. - */ -# if defined(__GNUC__) && ((__GNUC__ >= 3) || \ - (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)) \ - && !defined(__INTEL_COMPILER) && !defined(__PATHCC__) -# define HAVE_BUILTIN_UNWIND_INIT -# endif - -# define STACK_GRAN 0x1000000 -# ifdef M68K -# define MACH_TYPE "M68K" -# define ALIGNMENT 2 -# ifdef OPENBSD -# define OS_TYPE "OPENBSD" -# define HEURISTIC2 -# ifdef __ELF__ -# define DATASTART GC_data_start -# define DYNAMIC_LOADING -# else - extern char etext[]; -# define DATASTART ((ptr_t)(etext)) -# endif -# endif -# ifdef NETBSD -# define OS_TYPE "NETBSD" -# define HEURISTIC2 -# ifdef __ELF__ -# define DATASTART GC_data_start -# define DYNAMIC_LOADING -# else - extern char etext[]; -# define DATASTART ((ptr_t)(etext)) -# endif -# endif -# ifdef LINUX -# define OS_TYPE "LINUX" -# define LINUX_STACKBOTTOM -# define MPROTECT_VDB -# ifdef __ELF__ -# define DYNAMIC_LOADING -# include -# if defined(__GLIBC__)&& __GLIBC__>=2 -# define SEARCH_FOR_DATA_START -# else /* !GLIBC2 */ - extern char **__environ; -# define DATASTART ((ptr_t)(&__environ)) - /* hideous kludge: __environ is the first */ - /* word in crt0.o, and delimits the start */ - /* of the data segment, no matter which */ - /* ld options were passed through. */ - /* We could use _etext instead, but that */ - /* would include .rodata, which may */ - /* contain large read-only data tables */ - /* that we'd rather not scan. */ -# endif /* !GLIBC2 */ - extern int _end[]; -# define DATAEND (_end) -# else - extern int etext[]; -# define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff)) -# endif -# endif -# ifdef AMIGA -# define OS_TYPE "AMIGA" - /* STACKBOTTOM and DATASTART handled specially */ - /* in os_dep.c */ -# define DATAEND /* not needed */ -# define GETPAGESIZE() 4096 -# endif -# ifdef MACOS -# ifndef __LOWMEM__ -# include -# endif -# define OS_TYPE "MACOS" - /* see os_dep.c for details of global data segments. */ -# define STACKBOTTOM ((ptr_t) LMGetCurStackBase()) -# define DATAEND /* not needed */ -# define GETPAGESIZE() 4096 -# endif -# ifdef NEXT -# define OS_TYPE "NEXT" -# define DATASTART ((ptr_t) get_etext()) -# define STACKBOTTOM ((ptr_t) 0x4000000) -# define DATAEND /* not needed */ -# endif -# endif - -# if defined(POWERPC) -# define MACH_TYPE "POWERPC" -# ifdef MACOS -# define ALIGNMENT 2 /* Still necessary? Could it be 4? */ -# ifndef __LOWMEM__ -# include -# endif -# define OS_TYPE "MACOS" - /* see os_dep.c for details of global data segments. */ -# define STACKBOTTOM ((ptr_t) LMGetCurStackBase()) -# define DATAEND /* not needed */ -# endif -# ifdef LINUX -# if defined(__powerpc64__) -# define ALIGNMENT 8 -# define CPP_WORDSZ 64 -# ifndef HBLKSIZE -# define HBLKSIZE 4096 -# endif -# else -# define ALIGNMENT 4 -# endif -# define OS_TYPE "LINUX" - /* HEURISTIC1 has been reliably reported to fail for a 32-bit */ - /* executable on a 64 bit kernel. */ -# define LINUX_STACKBOTTOM -# define DYNAMIC_LOADING -# define SEARCH_FOR_DATA_START - extern int _end[]; -# define DATAEND (_end) -# endif -# ifdef DARWIN -# define OS_TYPE "DARWIN" -# define DYNAMIC_LOADING -# if defined(__ppc64__) -# define ALIGNMENT 8 -# define CPP_WORDSZ 64 -# define STACKBOTTOM ((ptr_t) 0x7fff5fc00000) -# define CACHE_LINE_SIZE 64 -# ifndef HBLKSIZE -# define HBLKSIZE 4096 -# endif -# else -# define ALIGNMENT 4 -# define STACKBOTTOM ((ptr_t) 0xc0000000) -# endif - /* XXX: see get_end(3), get_etext() and get_end() should not be used. - These aren't used when dyld support is enabled (it is by default) */ -# define DATASTART ((ptr_t) get_etext()) -# define DATAEND ((ptr_t) get_end()) -# define USE_MMAP -# define USE_MMAP_ANON -# ifdef GC_DARWIN_THREADS -# define MPROTECT_VDB -# endif -# include -# define GETPAGESIZE() getpagesize() -# if defined(USE_PPC_PREFETCH) && defined(__GNUC__) - /* The performance impact of prefetches is untested */ -# define PREFETCH(x) \ - __asm__ __volatile__ ("dcbt 0,%0" : : "r" ((const void *) (x))) -# define PREFETCH_FOR_WRITE(x) \ - __asm__ __volatile__ ("dcbtst 0,%0" : : "r" ((const void *) (x))) -# endif - /* There seems to be some issues with trylock hanging on darwin. This - should be looked into some more */ -# define NO_PTHREAD_TRYLOCK -# endif -# ifdef FREEBSD -# define ALIGNMENT 4 -# define OS_TYPE "FREEBSD" -# ifndef GC_FREEBSD_THREADS -# define MPROTECT_VDB -# endif -# define SIG_SUSPEND SIGUSR1 -# define SIG_THR_RESTART SIGUSR2 -# define FREEBSD_STACKBOTTOM -# ifdef __ELF__ -# define DYNAMIC_LOADING -# endif - extern char etext[]; - extern char * GC_FreeBSDGetDataStart(); -# define DATASTART GC_FreeBSDGetDataStart(0x1000, &etext) -# endif -# ifdef NETBSD -# define ALIGNMENT 4 -# define OS_TYPE "NETBSD" -# define HEURISTIC2 - extern char etext[]; -# define DATASTART GC_data_start -# define DYNAMIC_LOADING -# endif -# ifdef AIX -# define OS_TYPE "AIX" -# undef ALIGNMENT /* in case it's defined */ -# ifdef IA64 -# undef IA64 - /* DOB: some AIX installs stupidly define IA64 in */ - /* /usr/include/sys/systemcfg.h */ -# endif -# ifdef __64BIT__ -# define ALIGNMENT 8 -# define CPP_WORDSZ 64 -# define STACKBOTTOM ((ptr_t)0x1000000000000000) -# else -# define ALIGNMENT 4 -# define CPP_WORDSZ 32 -# define STACKBOTTOM ((ptr_t)((ulong)&errno)) -# endif -# define USE_MMAP -# define USE_MMAP_ANON - /* From AIX linker man page: - _text Specifies the first location of the program. - _etext Specifies the first location after the program. - _data Specifies the first location of the data. - _edata Specifies the first location after the initialized data - _end or end Specifies the first location after all data. - */ - extern int _data[], _end[]; -# define DATASTART ((ptr_t)((ulong)_data)) -# define DATAEND ((ptr_t)((ulong)_end)) - extern int errno; -# define DYNAMIC_LOADING - /* For really old versions of AIX, this may have to be removed. */ -# endif - -# ifdef NOSYS -# define ALIGNMENT 4 -# define OS_TYPE "NOSYS" - extern void __end[], __dso_handle[]; -# define DATASTART (__dso_handle) /* OK, that's ugly. */ -# define DATAEND (__end) - /* Stack starts at 0xE0000000 for the simulator. */ -# undef STACK_GRAN -# define STACK_GRAN 0x10000000 -# define HEURISTIC1 -# endif -# endif - -# ifdef VAX -# define MACH_TYPE "VAX" -# define ALIGNMENT 4 /* Pointers are longword aligned by 4.2 C compiler */ - extern char etext[]; -# define DATASTART ((ptr_t)(etext)) -# ifdef BSD -# define OS_TYPE "BSD" -# define HEURISTIC1 - /* HEURISTIC2 may be OK, but it's hard to test. */ -# endif -# ifdef ULTRIX -# define OS_TYPE "ULTRIX" -# define STACKBOTTOM ((ptr_t) 0x7fffc800) -# endif -# endif - -# ifdef SPARC -# define MACH_TYPE "SPARC" -# if defined(__arch64__) || defined(__sparcv9) -# define ALIGNMENT 8 -# define CPP_WORDSZ 64 -# define ELF_CLASS ELFCLASS64 -# else -# define ALIGNMENT 4 /* Required by hardware */ -# define CPP_WORDSZ 32 -# endif - /* Don't define USE_ASM_PUSH_REGS. We do use an asm helper, but */ - /* not to push the registers on the mark stack. */ -# ifdef SOLARIS -# define OS_TYPE "SOLARIS" - extern int _etext[]; - extern int _end[]; - extern ptr_t GC_SysVGetDataStart(size_t, ptr_t); -# define DATASTART GC_SysVGetDataStart(0x10000, (ptr_t)_etext) -# define DATAEND (_end) -# if !defined(USE_MMAP) && defined(REDIRECT_MALLOC) -# define USE_MMAP - /* Otherwise we now use calloc. Mmap may result in the */ - /* heap interleaved with thread stacks, which can result in */ - /* excessive blacklisting. Sbrk is unusable since it */ - /* doesn't interact correctly with the system malloc. */ -# endif -# ifdef USE_MMAP -# define HEAP_START (ptr_t)0x40000000 -# else -# define HEAP_START DATAEND -# endif -# define PROC_VDB -/* HEURISTIC1 reportedly no longer works under 2.7. */ -/* HEURISTIC2 probably works, but this appears to be preferable. */ -/* Apparently USRSTACK is defined to be USERLIMIT, but in some */ -/* installations that's undefined. We work around this with a */ -/* gross hack: */ -# include -# ifdef USERLIMIT - /* This should work everywhere, but doesn't. */ -# define STACKBOTTOM USRSTACK -# else -# define HEURISTIC2 -# endif -# include -# define GETPAGESIZE() sysconf(_SC_PAGESIZE) - /* getpagesize() appeared to be missing from at least one */ - /* Solaris 5.4 installation. Weird. */ -# define DYNAMIC_LOADING -# endif -# ifdef DRSNX -# define OS_TYPE "DRSNX" - extern ptr_t GC_SysVGetDataStart(size_t, ptr_t); - extern int etext[]; -# define DATASTART GC_SysVGetDataStart(0x10000, (ptr_t)etext) -# define MPROTECT_VDB -# define STACKBOTTOM ((ptr_t) 0xdfff0000) -# define DYNAMIC_LOADING -# endif -# ifdef LINUX -# define OS_TYPE "LINUX" -# ifdef __ELF__ -# define DYNAMIC_LOADING -# else - Linux Sparc/a.out not supported -# endif - extern int _end[]; - extern int _etext[]; -# define DATAEND (_end) -# define SVR4 - extern ptr_t GC_SysVGetDataStart(size_t, ptr_t); -# ifdef __arch64__ -# define DATASTART GC_SysVGetDataStart(0x100000, (ptr_t)_etext) -# else -# define DATASTART GC_SysVGetDataStart(0x10000, (ptr_t)_etext) -# endif -# define LINUX_STACKBOTTOM -# endif -# ifdef OPENBSD -# define OS_TYPE "OPENBSD" -# define STACKBOTTOM ((ptr_t) 0xf8000000) - extern int etext[]; -# define DATASTART ((ptr_t)(etext)) -# endif -# ifdef NETBSD -# define OS_TYPE "NETBSD" -# define HEURISTIC2 -# ifdef __ELF__ -# define DATASTART GC_data_start -# define DYNAMIC_LOADING -# else - extern char etext[]; -# define DATASTART ((ptr_t)(etext)) -# endif -# endif -# ifdef FREEBSD -# define OS_TYPE "FREEBSD" -# define SIG_SUSPEND SIGUSR1 -# define SIG_THR_RESTART SIGUSR2 -# define FREEBSD_STACKBOTTOM -# ifdef __ELF__ -# define DYNAMIC_LOADING -# endif - extern char etext[]; - extern char edata[]; - extern char end[]; -# define NEED_FIND_LIMIT -# define DATASTART ((ptr_t)(&etext)) -# define DATAEND (GC_find_limit (DATASTART, TRUE)) -# define DATASTART2 ((ptr_t)(&edata)) -# define DATAEND2 ((ptr_t)(&end)) -# endif -# endif - -# ifdef I386 -# define MACH_TYPE "I386" -# if defined(__LP64__) || defined(_WIN64) -# error This should be handled as X86_64 -# else -# define CPP_WORDSZ 32 -# define ALIGNMENT 4 - /* Appears to hold for all "32 bit" compilers */ - /* except Borland. The -a4 option fixes */ - /* Borland. */ - /* Ivan Demakov: For Watcom the option is -zp4. */ -# endif -# ifdef SEQUENT -# define OS_TYPE "SEQUENT" - extern int etext[]; -# define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff)) -# define STACKBOTTOM ((ptr_t) 0x3ffff000) -# endif -# ifdef BEOS -# define OS_TYPE "BEOS" -# include -# define GETPAGESIZE() B_PAGE_SIZE - extern int etext[]; -# define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff)) -# endif -# ifdef SOLARIS -# define OS_TYPE "SOLARIS" - extern int _etext[], _end[]; - extern ptr_t GC_SysVGetDataStart(size_t, ptr_t); -# define DATASTART GC_SysVGetDataStart(0x1000, (ptr_t)_etext) -# define DATAEND (_end) -/* # define STACKBOTTOM ((ptr_t)(_start)) worked through 2.7, */ -/* but reportedly breaks under 2.8. It appears that the stack */ -/* base is a property of the executable, so this should not break */ -/* old executables. */ -/* HEURISTIC2 probably works, but this appears to be preferable. */ -# include -# define STACKBOTTOM USRSTACK -/* At least in Solaris 2.5, PROC_VDB gives wrong values for dirty bits. */ -/* It appears to be fixed in 2.8 and 2.9. */ -# ifdef SOLARIS25_PROC_VDB_BUG_FIXED -# define PROC_VDB -# endif -# define DYNAMIC_LOADING -# if !defined(USE_MMAP) && defined(REDIRECT_MALLOC) -# define USE_MMAP - /* Otherwise we now use calloc. Mmap may result in the */ - /* heap interleaved with thread stacks, which can result in */ - /* excessive blacklisting. Sbrk is unusable since it */ - /* doesn't interact correctly with the system malloc. */ -# endif -# ifdef USE_MMAP -# define HEAP_START (ptr_t)0x40000000 -# else -# define HEAP_START DATAEND -# endif -# endif -# ifdef SCO -# define OS_TYPE "SCO" - extern int etext[]; -# define DATASTART ((ptr_t)((((word) (etext)) + 0x3fffff) \ - & ~0x3fffff) \ - +((word)etext & 0xfff)) -# define STACKBOTTOM ((ptr_t) 0x7ffffffc) -# endif -# ifdef SCO_ELF -# define OS_TYPE "SCO_ELF" - extern int etext[]; -# define DATASTART ((ptr_t)(etext)) -# define STACKBOTTOM ((ptr_t) 0x08048000) -# define DYNAMIC_LOADING -# define ELF_CLASS ELFCLASS32 -# endif -# ifdef DGUX -# define OS_TYPE "DGUX" - extern int _etext, _end; - extern ptr_t GC_SysVGetDataStart(size_t, ptr_t); -# define DATASTART GC_SysVGetDataStart(0x1000, (ptr_t)(&_etext)) -# define DATAEND (&_end) -# define STACK_GROWS_DOWN -# define HEURISTIC2 -# include -# define GETPAGESIZE() sysconf(_SC_PAGESIZE) -# define DYNAMIC_LOADING -# ifndef USE_MMAP -# define USE_MMAP -# endif /* USE_MMAP */ -# define MAP_FAILED (void *) -1 -# ifdef USE_MMAP -# define HEAP_START (ptr_t)0x40000000 -# else /* USE_MMAP */ -# define HEAP_START DATAEND -# endif /* USE_MMAP */ -# endif /* DGUX */ - -# ifdef LINUX -# define OS_TYPE "LINUX" -# define LINUX_STACKBOTTOM -# if 0 -# define HEURISTIC1 -# undef STACK_GRAN -# define STACK_GRAN 0x10000000 - /* STACKBOTTOM is usually 0xc0000000, but this changes with */ - /* different kernel configurations. In particular, systems */ - /* with 2GB physical memory will usually move the user */ - /* address space limit, and hence initial SP to 0x80000000. */ -# endif -# if !defined(GC_LINUX_THREADS) || !defined(REDIRECT_MALLOC) -# define MPROTECT_VDB -# else - /* We seem to get random errors in incremental mode, */ - /* possibly because Linux threads is itself a malloc client */ - /* and can't deal with the signals. */ -# endif -# define HEAP_START (ptr_t)0x1000 - /* This encourages mmap to give us low addresses, */ - /* thus allowing the heap to grow to ~3GB */ -# ifdef __ELF__ -# define DYNAMIC_LOADING -# ifdef UNDEFINED /* includes ro data */ - extern int _etext[]; -# define DATASTART ((ptr_t)((((word) (_etext)) + 0xfff) & ~0xfff)) -# endif -# include -# if defined(__GLIBC__) && __GLIBC__ >= 2 -# define SEARCH_FOR_DATA_START -# else - extern char **__environ; -# define DATASTART ((ptr_t)(&__environ)) - /* hideous kludge: __environ is the first */ - /* word in crt0.o, and delimits the start */ - /* of the data segment, no matter which */ - /* ld options were passed through. */ - /* We could use _etext instead, but that */ - /* would include .rodata, which may */ - /* contain large read-only data tables */ - /* that we'd rather not scan. */ -# endif - extern int _end[]; -# define DATAEND (_end) -# else - extern int etext[]; -# define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff)) -# endif -# ifdef USE_I686_PREFETCH - /* FIXME: Thus should use __builtin_prefetch, but we'll leave that */ - /* for the next rtelease. */ -# define PREFETCH(x) \ - __asm__ __volatile__ (" prefetchnta %0": : "m"(*(char *)(x))) - /* Empirically prefetcht0 is much more effective at reducing */ - /* cache miss stalls for the targetted load instructions. But it */ - /* seems to interfere enough with other cache traffic that the net */ - /* result is worse than prefetchnta. */ -# if 0 - /* Using prefetches for write seems to have a slight negative */ - /* impact on performance, at least for a PIII/500. */ -# define PREFETCH_FOR_WRITE(x) \ - __asm__ __volatile__ (" prefetcht0 %0": : "m"(*(char *)(x))) -# endif -# endif -# ifdef USE_3DNOW_PREFETCH -# define PREFETCH(x) \ - __asm__ __volatile__ (" prefetch %0": : "m"(*(char *)(x))) -# define PREFETCH_FOR_WRITE(x) \ - __asm__ __volatile__ (" prefetchw %0": : "m"(*(char *)(x))) -# endif -# endif -# ifdef CYGWIN32 -# define OS_TYPE "CYGWIN32" -# define DATASTART ((ptr_t)GC_DATASTART) /* From gc.h */ -# define DATAEND ((ptr_t)GC_DATAEND) -# undef STACK_GRAN -# define STACK_GRAN 0x10000 -# define HEURISTIC1 -# endif -# ifdef OS2 -# define OS_TYPE "OS2" - /* STACKBOTTOM and DATASTART are handled specially in */ - /* os_dep.c. OS2 actually has the right */ - /* system call! */ -# define DATAEND /* not needed */ -# endif -# ifdef MSWIN32 -# define OS_TYPE "MSWIN32" - /* STACKBOTTOM and DATASTART are handled specially in */ - /* os_dep.c. */ -# if !defined(__WATCOMC__) -# define MPROTECT_VDB - /* We also avoided doing this in the past with GC_WIN32_THREADS */ - /* Hopefully that's fixed. */ -# endif -# if _MSC_VER >= 1300 /* .NET, i.e. > VisualStudio 6 */ -# define GWW_VDB -# endif -# define DATAEND /* not needed */ -# endif -# ifdef MSWINCE -# define OS_TYPE "MSWINCE" -# define DATAEND /* not needed */ -# endif -# ifdef DJGPP -# define OS_TYPE "DJGPP" -# include "stubinfo.h" - extern int etext[]; - extern int _stklen; - extern int __djgpp_stack_limit; -# define DATASTART ((ptr_t)((((word) (etext)) + 0x1ff) & ~0x1ff)) -/* # define STACKBOTTOM ((ptr_t)((word) _stubinfo + _stubinfo->size \ - + _stklen)) */ -# define STACKBOTTOM ((ptr_t)((word) __djgpp_stack_limit + _stklen)) - /* This may not be right. */ -# endif -# ifdef OPENBSD -# define OS_TYPE "OPENBSD" -# endif -# ifdef FREEBSD -# define OS_TYPE "FREEBSD" -# ifndef GC_FREEBSD_THREADS -# define MPROTECT_VDB -# endif -# ifdef __GLIBC__ -# define SIG_SUSPEND (32+6) -# define SIG_THR_RESTART (32+5) - extern int _end[]; -# define DATAEND (_end) -# else -# define SIG_SUSPEND SIGUSR1 -# define SIG_THR_RESTART SIGUSR2 -# endif -# define FREEBSD_STACKBOTTOM -# ifdef __ELF__ -# define DYNAMIC_LOADING -# endif - extern char etext[]; - extern char * GC_FreeBSDGetDataStart(size_t, ptr_t); -# define DATASTART GC_FreeBSDGetDataStart(0x1000, (ptr_t)etext) -# endif -# ifdef NETBSD -# define OS_TYPE "NETBSD" -# ifdef __ELF__ -# define DYNAMIC_LOADING -# endif -# endif -# ifdef THREE86BSD -# define OS_TYPE "THREE86BSD" -# endif -# ifdef BSDI -# define OS_TYPE "BSDI" -# endif -# if defined(OPENBSD) || defined(NETBSD) \ - || defined(THREE86BSD) || defined(BSDI) -# define HEURISTIC2 - extern char etext[]; -# define DATASTART ((ptr_t)(etext)) -# endif -# ifdef NEXT -# define OS_TYPE "NEXT" -# define DATASTART ((ptr_t) get_etext()) -# define STACKBOTTOM ((ptr_t)0xc0000000) -# define DATAEND /* not needed */ -# endif -# ifdef DOS4GW -# define OS_TYPE "DOS4GW" - extern long __nullarea; - extern char _end; - extern char *_STACKTOP; - /* Depending on calling conventions Watcom C either precedes - or does not precedes with undescore names of C-variables. - Make sure startup code variables always have the same names. */ - #pragma aux __nullarea "*"; - #pragma aux _end "*"; -# define STACKBOTTOM ((ptr_t) _STACKTOP) - /* confused? me too. */ -# define DATASTART ((ptr_t) &__nullarea) -# define DATAEND ((ptr_t) &_end) -# endif -# ifdef HURD -# define OS_TYPE "HURD" -# define STACK_GROWS_DOWN -# define HEURISTIC2 -# define SIG_SUSPEND SIGUSR1 -# define SIG_THR_RESTART SIGUSR2 -# define SEARCH_FOR_DATA_START - extern int _end[]; -# define DATAEND ((ptr_t) (_end)) -/* # define MPROTECT_VDB Not quite working yet? */ -# define DYNAMIC_LOADING -# endif -# ifdef DARWIN -# define OS_TYPE "DARWIN" -# define DARWIN_DONT_PARSE_STACK -# define DYNAMIC_LOADING - /* XXX: see get_end(3), get_etext() and get_end() should not be used. - These aren't used when dyld support is enabled (it is by default) */ -# define DATASTART ((ptr_t) get_etext()) -# define DATAEND ((ptr_t) get_end()) -# define STACKBOTTOM ((ptr_t) 0xc0000000) -# define USE_MMAP -# define USE_MMAP_ANON -# ifdef GC_DARWIN_THREADS -# define MPROTECT_VDB -# endif -# include -# define GETPAGESIZE() getpagesize() - /* There seems to be some issues with trylock hanging on darwin. This - should be looked into some more */ -# define NO_PTHREAD_TRYLOCK -# endif /* DARWIN */ -# endif - -# ifdef NS32K -# define MACH_TYPE "NS32K" -# define ALIGNMENT 4 - extern char **environ; -# define DATASTART ((ptr_t)(&environ)) - /* hideous kludge: environ is the first */ - /* word in crt0.o, and delimits the start */ - /* of the data segment, no matter which */ - /* ld options were passed through. */ -# define STACKBOTTOM ((ptr_t) 0xfffff000) /* for Encore */ -# endif - -# ifdef MIPS -# define MACH_TYPE "MIPS" -# ifdef LINUX - /* This was developed for a linuxce style platform. Probably */ - /* needs to be tweaked for workstation class machines. */ -# define OS_TYPE "LINUX" -# define DYNAMIC_LOADING - extern int _end[]; -# define DATAEND (_end) - extern int __data_start[]; -# define DATASTART ((ptr_t)(__data_start)) -# ifdef _MIPS_SZPTR -# define CPP_WORDSZ _MIPS_SZPTR -# define ALIGNMENT (_MIPS_SZPTR/8) -# else -# define ALIGNMENT 4 -# endif -# if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 2 || __GLIBC__ > 2 -# define LINUX_STACKBOTTOM -# else -# define STACKBOTTOM 0x80000000 -# endif -# endif /* Linux */ -# ifdef EWS4800 -# define HEURISTIC2 -# if defined(_MIPS_SZPTR) && (_MIPS_SZPTR == 64) - extern int _fdata[], _end[]; -# define DATASTART ((ptr_t)_fdata) -# define DATAEND ((ptr_t)_end) -# define CPP_WORDSZ _MIPS_SZPTR -# define ALIGNMENT (_MIPS_SZPTR/8) -# else - extern int etext[], edata[], end[]; - extern int _DYNAMIC_LINKING[], _gp[]; -# define DATASTART ((ptr_t)((((word)etext + 0x3ffff) & ~0x3ffff) \ - + ((word)etext & 0xffff))) -# define DATAEND (edata) -# define DATASTART2 (_DYNAMIC_LINKING \ - ? (ptr_t)(((word)_gp + 0x8000 + 0x3ffff) & ~0x3ffff) \ - : (ptr_t)edata) -# define DATAEND2 (end) -# define ALIGNMENT 4 -# endif -# define OS_TYPE "EWS4800" -# endif -# ifdef ULTRIX -# define HEURISTIC2 -# define DATASTART (ptr_t)0x10000000 - /* Could probably be slightly higher since */ - /* startup code allocates lots of stuff. */ -# define OS_TYPE "ULTRIX" -# define ALIGNMENT 4 -# endif -# ifdef IRIX5 -# define HEURISTIC2 - extern int _fdata[]; -# define DATASTART ((ptr_t)(_fdata)) -# ifdef USE_MMAP -# define HEAP_START (ptr_t)0x30000000 -# else -# define HEAP_START DATASTART -# endif - /* Lowest plausible heap address. */ - /* In the MMAP case, we map there. */ - /* In either case it is used to identify */ - /* heap sections so they're not */ - /* considered as roots. */ -# define OS_TYPE "IRIX5" -/*# define MPROTECT_VDB DOB: this should work, but there is evidence */ -/* of recent breakage. */ -# ifdef _MIPS_SZPTR -# define CPP_WORDSZ _MIPS_SZPTR -# define ALIGNMENT (_MIPS_SZPTR/8) -# else -# define ALIGNMENT 4 -# endif -# define DYNAMIC_LOADING -# endif -# ifdef MSWINCE -# define OS_TYPE "MSWINCE" -# define ALIGNMENT 4 -# define DATAEND /* not needed */ -# endif -# if defined(NETBSD) -# define OS_TYPE "NETBSD" -# define ALIGNMENT 4 -# define HEURISTIC2 -# ifdef __ELF__ - extern int etext[]; -# define DATASTART GC_data_start -# define NEED_FIND_LIMIT -# define DYNAMIC_LOADING -# else -# define DATASTART ((ptr_t) 0x10000000) -# define STACKBOTTOM ((ptr_t) 0x7ffff000) -# endif /* _ELF_ */ -# endif -# if defined(NONSTOP) -# define CPP_WORDSZ 32 -# define OS_TYPE "NONSTOP" -# define ALIGNMENT 4 -# define DATASTART ((ptr_t) 0x08000000) - extern char **environ; -# define DATAEND ((ptr_t)(environ - 0x10)) -# define STACKBOTTOM ((ptr_t) 0x4fffffff) -# endif -# endif - -# ifdef HP_PA -# define MACH_TYPE "HP_PA" -# ifdef __LP64__ -# define CPP_WORDSZ 64 -# define ALIGNMENT 8 -# else -# define CPP_WORDSZ 32 -# define ALIGNMENT 4 -# endif -# if !defined(GC_HPUX_THREADS) && !defined(GC_LINUX_THREADS) -# ifndef LINUX /* For now. */ -# define MPROTECT_VDB -# endif -# else -# ifdef PARALLEL_MARK -# define USE_MARK_BYTES - /* Minimize compare-and-swap usage. */ -# endif -# endif -# define STACK_GROWS_UP -# ifdef HPUX -# define OS_TYPE "HPUX" - extern int __data_start[]; -# define DATASTART ((ptr_t)(__data_start)) -# if 0 - /* The following appears to work for 7xx systems running HP/UX */ - /* 9.xx Furthermore, it might result in much faster */ - /* collections than HEURISTIC2, which may involve scanning */ - /* segments that directly precede the stack. It is not the */ - /* default, since it may not work on older machine/OS */ - /* combinations. (Thanks to Raymond X.T. Nijssen for uncovering */ - /* this.) */ -# define STACKBOTTOM ((ptr_t) 0x7b033000) /* from /etc/conf/h/param.h */ -# else - /* Gustavo Rodriguez-Rivera suggested changing HEURISTIC2 */ - /* to this. Note that the GC must be initialized before the */ - /* first putenv call. */ - extern char ** environ; -# define STACKBOTTOM ((ptr_t)environ) -# endif -# define DYNAMIC_LOADING -# include -# define GETPAGESIZE() sysconf(_SC_PAGE_SIZE) -# ifndef __GNUC__ -# define PREFETCH(x) { \ - register long addr = (long)(x); \ - (void) _asm ("LDW", 0, 0, addr, 0); \ - } -# endif -# endif /* HPUX */ -# ifdef LINUX -# define OS_TYPE "LINUX" -# define LINUX_STACKBOTTOM -# define DYNAMIC_LOADING -# define SEARCH_FOR_DATA_START - extern int _end[]; -# define DATAEND (&_end) -# endif /* LINUX */ -# endif /* HP_PA */ - -# ifdef ALPHA -# define MACH_TYPE "ALPHA" -# define ALIGNMENT 8 -# define CPP_WORDSZ 64 -# ifdef NETBSD -# define OS_TYPE "NETBSD" -# define HEURISTIC2 -# define DATASTART GC_data_start -# define ELFCLASS32 32 -# define ELFCLASS64 64 -# define ELF_CLASS ELFCLASS64 -# define DYNAMIC_LOADING -# endif -# ifdef OPENBSD -# define OS_TYPE "OPENBSD" -# define HEURISTIC2 -# ifdef __ELF__ /* since OpenBSD/Alpha 2.9 */ -# define DATASTART GC_data_start -# define ELFCLASS32 32 -# define ELFCLASS64 64 -# define ELF_CLASS ELFCLASS64 -# else /* ECOFF, until OpenBSD/Alpha 2.7 */ -# define DATASTART ((ptr_t) 0x140000000) -# endif -# endif -# ifdef FREEBSD -# define OS_TYPE "FREEBSD" -/* MPROTECT_VDB is not yet supported at all on FreeBSD/alpha. */ -# define SIG_SUSPEND SIGUSR1 -# define SIG_THR_RESTART SIGUSR2 -# define FREEBSD_STACKBOTTOM -# ifdef __ELF__ -# define DYNAMIC_LOADING -# endif -/* Handle unmapped hole alpha*-*-freebsd[45]* puts between etext and edata. */ - extern char etext[]; - extern char edata[]; - extern char end[]; -# define NEED_FIND_LIMIT -# define DATASTART ((ptr_t)(&etext)) -# define DATAEND (GC_find_limit (DATASTART, TRUE)) -# define DATASTART2 ((ptr_t)(&edata)) -# define DATAEND2 ((ptr_t)(&end)) -# endif -# ifdef OSF1 -# define OS_TYPE "OSF1" -# define DATASTART ((ptr_t) 0x140000000) - extern int _end[]; -# define DATAEND ((ptr_t) &_end) - extern char ** environ; - /* round up from the value of environ to the nearest page boundary */ - /* Probably breaks if putenv is called before collector */ - /* initialization. */ -# define STACKBOTTOM ((ptr_t)(((word)(environ) | (getpagesize()-1))+1)) -/* # define HEURISTIC2 */ - /* Normally HEURISTIC2 is too conervative, since */ - /* the text segment immediately follows the stack. */ - /* Hence we give an upper pound. */ - /* This is currently unused, since we disabled HEURISTIC2 */ - extern int __start[]; -# define HEURISTIC2_LIMIT ((ptr_t)((word)(__start) & ~(getpagesize()-1))) -# ifndef GC_OSF1_THREADS - /* Unresolved signal issues with threads. */ -# define MPROTECT_VDB -# endif -# define DYNAMIC_LOADING -# endif -# ifdef LINUX -# define OS_TYPE "LINUX" -# define LINUX_STACKBOTTOM -# ifdef __ELF__ -# define SEARCH_FOR_DATA_START -# define DYNAMIC_LOADING -# else -# define DATASTART ((ptr_t) 0x140000000) -# endif - extern int _end[]; -# define DATAEND (_end) -# define MPROTECT_VDB - /* Has only been superficially tested. May not */ - /* work on all versions. */ -# endif -# endif - -# ifdef IA64 -# define MACH_TYPE "IA64" -# ifdef HPUX -# ifdef _ILP32 -# define CPP_WORDSZ 32 - /* Requires 8 byte alignment for malloc */ -# define ALIGNMENT 4 -# else -# ifndef _LP64 - ---> unknown ABI -# endif -# define CPP_WORDSZ 64 - /* Requires 16 byte alignment for malloc */ -# define ALIGNMENT 8 -# endif -# define OS_TYPE "HPUX" - extern int __data_start[]; -# define DATASTART ((ptr_t)(__data_start)) - /* Gustavo Rodriguez-Rivera suggested changing HEURISTIC2 */ - /* to this. Note that the GC must be initialized before the */ - /* first putenv call. */ - extern char ** environ; -# define STACKBOTTOM ((ptr_t)environ) -# define HPUX_STACKBOTTOM -# define DYNAMIC_LOADING -# include -# define GETPAGESIZE() sysconf(_SC_PAGE_SIZE) - /* The following was empirically determined, and is probably */ - /* not very robust. */ - /* Note that the backing store base seems to be at a nice */ - /* address minus one page. */ -# define BACKING_STORE_DISPLACEMENT 0x1000000 -# define BACKING_STORE_ALIGNMENT 0x1000 - extern ptr_t GC_register_stackbottom; -# define BACKING_STORE_BASE GC_register_stackbottom - /* Known to be wrong for recent HP/UX versions!!! */ -# endif -# ifdef LINUX -# define CPP_WORDSZ 64 -# define ALIGNMENT 8 -# define OS_TYPE "LINUX" - /* The following works on NUE and older kernels: */ -/* # define STACKBOTTOM ((ptr_t) 0xa000000000000000l) */ - /* This does not work on NUE: */ -# define LINUX_STACKBOTTOM - /* We also need the base address of the register stack */ - /* backing store. This is computed in */ - /* GC_linux_register_stack_base based on the following */ - /* constants: */ -# define BACKING_STORE_ALIGNMENT 0x100000 -# define BACKING_STORE_DISPLACEMENT 0x80000000 - extern ptr_t GC_register_stackbottom; -# define BACKING_STORE_BASE GC_register_stackbottom -# define SEARCH_FOR_DATA_START -# ifdef __GNUC__ -# define DYNAMIC_LOADING -# else - /* In the Intel compiler environment, we seem to end up with */ - /* statically linked executables and an undefined reference */ - /* to _DYNAMIC */ -# endif -# define MPROTECT_VDB - /* Requires Linux 2.3.47 or later. */ - extern int _end[]; -# define DATAEND (_end) -# ifdef __GNUC__ -# ifndef __INTEL_COMPILER -# define PREFETCH(x) \ - __asm__ (" lfetch [%0]": : "r"(x)) -# define PREFETCH_FOR_WRITE(x) \ - __asm__ (" lfetch.excl [%0]": : "r"(x)) -# define CLEAR_DOUBLE(x) \ - __asm__ (" stf.spill [%0]=f0": : "r"((void *)(x))) -# else -# include -# define PREFETCH(x) \ - __lfetch(__lfhint_none, (x)) -# define PREFETCH_FOR_WRITE(x) \ - __lfetch(__lfhint_nta, (x)) -# define CLEAR_DOUBLE(x) \ - __stf_spill((void *)(x), 0) -# endif // __INTEL_COMPILER -# endif -# endif -# ifdef MSWIN32 - /* FIXME: This is a very partial guess. There is no port, yet. */ -# define OS_TYPE "MSWIN32" - /* STACKBOTTOM and DATASTART are handled specially in */ - /* os_dep.c. */ -# define DATAEND /* not needed */ -# if defined(_WIN64) -# define CPP_WORDSZ 64 -# else -# define CPP_WORDSZ 32 /* Is this possible? */ -# endif -# define ALIGNMENT 8 -# define STRTOULL _strtoui64 -# endif -# endif - -# ifdef M88K -# define MACH_TYPE "M88K" -# define ALIGNMENT 4 - extern int etext[]; -# ifdef CX_UX -# define OS_TYPE "CX_UX" -# define DATASTART ((((word)etext + 0x3fffff) & ~0x3fffff) + 0x10000) -# endif -# ifdef DGUX -# define OS_TYPE "DGUX" - extern ptr_t GC_SysVGetDataStart(size_t, ptr_t); -# define DATASTART GC_SysVGetDataStart(0x10000, (ptr_t)etext) -# endif -# define STACKBOTTOM ((char*)0xf0000000) /* determined empirically */ -# endif - -# ifdef S370 - /* If this still works, and if anyone cares, this should probably */ - /* be moved to the S390 category. */ -# define MACH_TYPE "S370" -# define ALIGNMENT 4 /* Required by hardware */ -# ifdef UTS4 -# define OS_TYPE "UTS4" - extern int etext[]; - extern int _etext[]; - extern int _end[]; - extern ptr_t GC_SysVGetDataStart(size_t, ptr_t); -# define DATASTART GC_SysVGetDataStart(0x10000, (ptr_t)_etext) -# define DATAEND (_end) -# define HEURISTIC2 -# endif -# endif - -# ifdef S390 -# define MACH_TYPE "S390" -# ifndef __s390x__ -# define ALIGNMENT 4 -# define CPP_WORDSZ 32 -# else -# define ALIGNMENT 8 -# define CPP_WORDSZ 64 -# ifndef HBLKSIZE -# define HBLKSIZE 4096 -# endif -# endif -# ifdef LINUX -# define OS_TYPE "LINUX" -# define LINUX_STACKBOTTOM -# define DYNAMIC_LOADING - extern int __data_start[]; -# define DATASTART ((ptr_t)(__data_start)) - extern int _end[]; -# define DATAEND (_end) -# define CACHE_LINE_SIZE 256 -# define GETPAGESIZE() 4096 -# endif -# endif - -# ifdef ARM32 -# define CPP_WORDSZ 32 -# define MACH_TYPE "ARM32" -# define ALIGNMENT 4 -# ifdef NETBSD -# define OS_TYPE "NETBSD" -# define HEURISTIC2 -# ifdef __ELF__ -# define DATASTART GC_data_start -# define DYNAMIC_LOADING -# else - extern char etext[]; -# define DATASTART ((ptr_t)(etext)) -# endif -# endif -# ifdef LINUX -# define OS_TYPE "LINUX" -# define LINUX_STACKBOTTOM -# undef STACK_GRAN -# define STACK_GRAN 0x10000000 -# ifdef __ELF__ -# define DYNAMIC_LOADING -# include -# if defined(__GLIBC__) && __GLIBC__ >= 2 -# define SEARCH_FOR_DATA_START -# else - extern char **__environ; -# define DATASTART ((ptr_t)(&__environ)) - /* hideous kludge: __environ is the first */ - /* word in crt0.o, and delimits the start */ - /* of the data segment, no matter which */ - /* ld options were passed through. */ - /* We could use _etext instead, but that */ - /* would include .rodata, which may */ - /* contain large read-only data tables */ - /* that we'd rather not scan. */ -# endif - extern int _end[]; -# define DATAEND (_end) -# else - extern int etext[]; -# define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff)) -# endif -# endif -# ifdef MSWINCE -# define OS_TYPE "MSWINCE" -# define DATAEND /* not needed */ -# endif -# ifdef NOSYS - /* __data_start is usually defined in the target linker script. */ - extern int __data_start[]; -# define DATASTART (ptr_t)(__data_start) - /* __stack_base__ is set in newlib/libc/sys/arm/crt0.S */ - extern void *__stack_base__; -# define STACKBOTTOM ((ptr_t) (__stack_base__)) -# endif -#endif - -# ifdef CRIS -# define MACH_TYPE "CRIS" -# define CPP_WORDSZ 32 -# define ALIGNMENT 1 -# define OS_TYPE "LINUX" -# define DYNAMIC_LOADING -# define LINUX_STACKBOTTOM -# define SEARCH_FOR_DATA_START - extern int _end[]; -# define DATAEND (_end) -# endif - -# ifdef SH -# define MACH_TYPE "SH" -# define ALIGNMENT 4 -# ifdef MSWINCE -# define OS_TYPE "MSWINCE" -# define DATAEND /* not needed */ -# endif -# ifdef LINUX -# define OS_TYPE "LINUX" -# define LINUX_STACKBOTTOM -# define DYNAMIC_LOADING -# define SEARCH_FOR_DATA_START - extern int _end[]; -# define DATAEND (_end) -# endif -# ifdef NETBSD -# define OS_TYPE "NETBSD" -# define HEURISTIC2 -# define DATASTART GC_data_start -# define DYNAMIC_LOADING -# endif -# endif - -# ifdef SH4 -# define MACH_TYPE "SH4" -# define OS_TYPE "MSWINCE" -# define ALIGNMENT 4 -# define DATAEND /* not needed */ -# endif - -# ifdef M32R -# define CPP_WORDSZ 32 -# define MACH_TYPE "M32R" -# define ALIGNMENT 4 -# ifdef LINUX -# define OS_TYPE "LINUX" -# define LINUX_STACKBOTTOM -# undef STACK_GRAN -# define STACK_GRAN 0x10000000 -# define DYNAMIC_LOADING -# define SEARCH_FOR_DATA_START - extern int _end[]; -# define DATAEND (_end) -# endif -# endif - -# ifdef X86_64 -# define MACH_TYPE "X86_64" -# define ALIGNMENT 8 -# define CPP_WORDSZ 64 -# ifndef HBLKSIZE -# define HBLKSIZE 4096 -# endif -# define CACHE_LINE_SIZE 64 -# ifdef LINUX -# define OS_TYPE "LINUX" -# define LINUX_STACKBOTTOM -# if !defined(GC_LINUX_THREADS) || !defined(REDIRECT_MALLOC) -# define MPROTECT_VDB -# else - /* We seem to get random errors in incremental mode, */ - /* possibly because Linux threads is itself a malloc client */ - /* and can't deal with the signals. */ -# endif -# ifdef __ELF__ -# define DYNAMIC_LOADING -# ifdef UNDEFINED /* includes ro data */ - extern int _etext[]; -# define DATASTART ((ptr_t)((((word) (_etext)) + 0xfff) & ~0xfff)) -# endif -# include -# define SEARCH_FOR_DATA_START - extern int _end[]; -# define DATAEND (_end) -# else - extern int etext[]; -# define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff)) -# endif -# if defined(__GNUC__) && __GNUC__ >= 3 -# define PREFETCH(x) __builtin_prefetch((x), 0, 0) -# define PREFETCH_FOR_WRITE(x) __builtin_prefetch((x), 1) -# endif -# endif -# ifdef DARWIN -# define OS_TYPE "DARWIN" -# define DARWIN_DONT_PARSE_STACK -# define DYNAMIC_LOADING - /* XXX: see get_end(3), get_etext() and get_end() should not be used. - These aren't used when dyld support is enabled (it is by default) */ -# define DATASTART ((ptr_t) get_etext()) -# define DATAEND ((ptr_t) get_end()) -# define STACKBOTTOM ((ptr_t) 0x7fff5fc00000) -# define USE_MMAP -# define USE_MMAP_ANON -# ifdef GC_DARWIN_THREADS -# define MPROTECT_VDB -# endif -# include -# define GETPAGESIZE() getpagesize() - /* There seems to be some issues with trylock hanging on darwin. This - should be looked into some more */ -# define NO_PTHREAD_TRYLOCK -# endif -# ifdef FREEBSD -# define OS_TYPE "FREEBSD" -# ifndef GC_FREEBSD_THREADS -# define MPROTECT_VDB -# endif -# ifdef __GLIBC__ -# define SIG_SUSPEND (32+6) -# define SIG_THR_RESTART (32+5) - extern int _end[]; -# define DATAEND (_end) -# else -# define SIG_SUSPEND SIGUSR1 -# define SIG_THR_RESTART SIGUSR2 -# endif -# define FREEBSD_STACKBOTTOM -# ifdef __ELF__ -# define DYNAMIC_LOADING -# endif - extern char etext[]; - extern char * GC_FreeBSDGetDataStart(); -# define DATASTART GC_FreeBSDGetDataStart(0x1000, &etext) -# endif -# ifdef NETBSD -# define OS_TYPE "NETBSD" -# ifdef __ELF__ -# define DYNAMIC_LOADING -# endif -# define HEURISTIC2 - extern char etext[]; -# define SEARCH_FOR_DATA_START -# endif -# ifdef SOLARIS -# define OS_TYPE "SOLARIS" -# define ELF_CLASS ELFCLASS64 - extern int _etext[], _end[]; - extern ptr_t GC_SysVGetDataStart(size_t, ptr_t); -# define DATASTART GC_SysVGetDataStart(0x1000, (ptr_t)_etext) -# define DATAEND (_end) -/* # define STACKBOTTOM ((ptr_t)(_start)) worked through 2.7, */ -/* but reportedly breaks under 2.8. It appears that the stack */ -/* base is a property of the executable, so this should not break */ -/* old executables. */ -/* HEURISTIC2 probably works, but this appears to be preferable. */ -/* Apparently USRSTACK is defined to be USERLIMIT, but in some */ -/* installations that's undefined. We work around this with a */ -/* gross hack: */ -# include -# ifdef USERLIMIT - /* This should work everywhere, but doesn't. */ -# define STACKBOTTOM USRSTACK -# else -# define HEURISTIC2 -# endif -/* At least in Solaris 2.5, PROC_VDB gives wrong values for dirty bits. */ -/* It appears to be fixed in 2.8 and 2.9. */ -# ifdef SOLARIS25_PROC_VDB_BUG_FIXED -# define PROC_VDB -# endif -# define DYNAMIC_LOADING -# if !defined(USE_MMAP) && defined(REDIRECT_MALLOC) -# define USE_MMAP - /* Otherwise we now use calloc. Mmap may result in the */ - /* heap interleaved with thread stacks, which can result in */ - /* excessive blacklisting. Sbrk is unusable since it */ - /* doesn't interact correctly with the system malloc. */ -# endif -# ifdef USE_MMAP -# define HEAP_START (ptr_t)0x40000000 -# else -# define HEAP_START DATAEND -# endif -# endif -# ifdef MSWIN32 -# define OS_TYPE "MSWIN32" - /* STACKBOTTOM and DATASTART are handled specially in */ - /* os_dep.c. */ -# if !defined(__WATCOMC__) -# define MPROTECT_VDB - /* We also avoided doing this in the past with GC_WIN32_THREADS */ - /* Hopefully that's fixed. */ -# endif -# if _MSC_VER >= 1300 /* .NET, i.e. > VisualStudio 6 */ -# define GWW_VDB -# endif -# define DATAEND /* not needed */ -# endif -# endif - -#if defined(LINUX_STACKBOTTOM) && defined(NO_PROC_STAT) \ - && !defined(USE_LIBC_PRIVATES) - /* This combination will fail, since we have no way to get */ - /* the stack base. Use HEURISTIC2 instead. */ -# undef LINUX_STACKBOTTOM -# define HEURISTIC2 - /* This may still fail on some architectures like IA64. */ - /* We tried ... */ -#endif - -#if defined(LINUX) && defined(USE_MMAP) - /* The kernel may do a somewhat better job merging mappings etc. */ - /* with anonymous mappings. */ -# define USE_MMAP_ANON -#endif - -#if defined(GC_LINUX_THREADS) && defined(REDIRECT_MALLOC) - /* Nptl allocates thread stacks with mmap, which is fine. But it */ - /* keeps a cache of thread stacks. Thread stacks contain the */ - /* thread control blocks. These in turn contain a pointer to */ - /* (sizeof (void *) from the beginning of) the dtv for thread-local */ - /* storage, which is calloc allocated. If we don't scan the cached */ - /* thread stacks, we appear to lose the dtv. This tends to */ - /* result in something that looks like a bogus dtv count, which */ - /* tends to result in a memset call on a block that is way too */ - /* large. Sometimes we're lucky and the process just dies ... */ - /* There seems to be a similar issue with some other memory */ - /* allocated by the dynamic loader. */ - /* This should be avoidable by either: */ - /* - Defining USE_PROC_FOR_LIBRARIES here. */ - /* That performs very poorly, precisely because we end up */ - /* scanning cached stacks. */ - /* - Have calloc look at its callers. */ - /* In spite of the fact that it is gross and disgusting. */ - /* In fact neither seems to suffice, probably in part because */ - /* even with USE_PROC_FOR_LIBRARIES, we don't scan parts of stack */ - /* segments that appear to be out of bounds. Thus we actually */ - /* do both, which seems to yield the best results. */ - -# define USE_PROC_FOR_LIBRARIES -#endif - -# ifndef STACK_GROWS_UP -# define STACK_GROWS_DOWN -# endif - -# ifndef CPP_WORDSZ -# define CPP_WORDSZ 32 -# endif - -# ifndef OS_TYPE -# define OS_TYPE "" -# endif - -# ifndef DATAEND - extern int end[]; -# define DATAEND (end) -# endif - -# if defined(SVR4) && !defined(GETPAGESIZE) -# include -# define GETPAGESIZE() sysconf(_SC_PAGESIZE) -# endif - -# ifndef GETPAGESIZE -# if defined(SOLARIS) || defined(IRIX5) || defined(LINUX) \ - || defined(NETBSD) || defined(FREEBSD) || defined(HPUX) -# include -# endif -# define GETPAGESIZE() getpagesize() -# endif - -# if defined(SOLARIS) || defined(DRSNX) || defined(UTS4) - /* OS has SVR4 generic features. */ - /* Probably others also qualify. */ -# define SVR4 -# endif - -# if defined(SOLARIS) || defined(DRSNX) - /* OS has SOLARIS style semi-undocumented interface */ - /* to dynamic loader. */ -# define SOLARISDL - /* OS has SOLARIS style signal handlers. */ -# define SUNOS5SIGS -# endif - -# if defined(HPUX) -# define SUNOS5SIGS -# endif - -# if defined(FREEBSD) && \ - (defined(__DragonFly__) || __FreeBSD__ >= 4 || (__FreeBSD_kernel__ >= 4)) -# define SUNOS5SIGS -# endif - -# ifdef GC_NETBSD_THREADS -# define SIGRTMIN 33 -# define SIGRTMAX 63 -# endif - -# if defined(SVR4) || defined(LINUX) || defined(IRIX5) || defined(HPUX) \ - || defined(OPENBSD) || defined(NETBSD) || defined(FREEBSD) \ - || defined(DGUX) || defined(BSD) \ - || defined(AIX) || defined(DARWIN) || defined(OSF1) \ - || defined(HURD) -# define UNIX_LIKE /* Basic Unix-like system calls work. */ -# endif - -# if CPP_WORDSZ != 32 && CPP_WORDSZ != 64 - -> bad word size -# endif - -# ifdef PCR -# undef DYNAMIC_LOADING -# undef STACKBOTTOM -# undef HEURISTIC1 -# undef HEURISTIC2 -# undef PROC_VDB -# undef MPROTECT_VDB -# define PCR_VDB -# endif - -# ifdef SMALL_CONFIG - /* Presumably not worth the space it takes. */ -# undef PROC_VDB -# undef MPROTECT_VDB -# endif - -# ifdef USE_MUNMAP -# undef MPROTECT_VDB /* Can't deal with address space holes. */ -# endif - -# ifdef PARALLEL_MARK -# undef MPROTECT_VDB /* For now. */ -# endif - -# if !defined(PCR_VDB) && !defined(PROC_VDB) && !defined(MPROTECT_VDB) \ - && !defined(GWW_VDB) -# define DEFAULT_VDB -# endif - -# ifndef PREFETCH -# define PREFETCH(x) -# define NO_PREFETCH -# endif - -# ifndef PREFETCH_FOR_WRITE -# define PREFETCH_FOR_WRITE(x) -# define NO_PREFETCH_FOR_WRITE -# endif - -# ifndef CACHE_LINE_SIZE -# define CACHE_LINE_SIZE 32 /* Wild guess */ -# endif - -# if defined(LINUX) || defined(HURD) || defined(__GLIBC__) -# define REGISTER_LIBRARIES_EARLY - /* We sometimes use dl_iterate_phdr, which may acquire an internal */ - /* lock. This isn't safe after the world has stopped. So we must */ - /* call GC_register_dynamic_libraries before stopping the world. */ - /* For performance reasons, this may be beneficial on other */ - /* platforms as well, though it should be avoided in win32. */ -# endif /* LINUX */ - -# if defined(SEARCH_FOR_DATA_START) - extern ptr_t GC_data_start; -# define DATASTART GC_data_start -# endif - -# ifndef CLEAR_DOUBLE -# define CLEAR_DOUBLE(x) \ - ((word*)x)[0] = 0; \ - ((word*)x)[1] = 0; -# endif /* CLEAR_DOUBLE */ - -# if defined(GC_LINUX_THREADS) && defined(REDIRECT_MALLOC) \ - && !defined(INCLUDE_LINUX_THREAD_DESCR) - /* Will not work, since libc and the dynamic loader use thread */ - /* locals, sometimes as the only reference. */ -# define INCLUDE_LINUX_THREAD_DESCR -# endif - -# if defined(GC_IRIX_THREADS) && !defined(IRIX5) - --> inconsistent configuration -# endif -# if defined(GC_LINUX_THREADS) && !defined(LINUX) - --> inconsistent configuration -# endif -# if defined(GC_NETBSD_THREADS) && !defined(NETBSD) - --> inconsistent configuration -# endif -# if defined(GC_FREEBSD_THREADS) && !defined(FREEBSD) - --> inconsistent configuration -# endif -# if defined(GC_SOLARIS_THREADS) && !defined(SOLARIS) - --> inconsistent configuration -# endif -# if defined(GC_HPUX_THREADS) && !defined(HPUX) - --> inconsistent configuration -# endif -# if defined(GC_AIX_THREADS) && !defined(_AIX) - --> inconsistent configuration -# endif -# if defined(GC_GNU_THREADS) && !defined(HURD) - --> inconsistent configuration -# endif -# if defined(GC_WIN32_THREADS) && !defined(MSWIN32) && !defined(CYGWIN32) - --> inconsistent configuration -# endif - -# if defined(PCR) || defined(GC_WIN32_THREADS) || defined(GC_PTHREADS) -# define THREADS -# endif - -# if !defined(USE_MARK_BITS) && !defined(USE_MARK_BYTES) -# if defined(THREADS) && defined(PARALLEL_MARK) -# define USE_MARK_BYTES -# else -# define USE_MARK_BITS -# endif -# endif - -# if defined(MSWINCE) -# define NO_GETENV -# endif - -# if defined(SPARC) -# define ASM_CLEAR_CODE /* Stack clearing is crucial, and we */ - /* include assembly code to do it well. */ -# endif - - /* Can we save call chain in objects for debugging? */ - /* SET NFRAMES (# of saved frames) and NARGS (#of args for each */ - /* frame) to reasonable values for the platform. */ - /* Set SAVE_CALL_CHAIN if we can. SAVE_CALL_COUNT can be specified */ - /* at build time, though we feel free to adjust it slightly. */ - /* Define NEED_CALLINFO if we either save the call stack or */ - /* GC_ADD_CALLER is defined. */ - /* GC_CAN_SAVE_CALL_STACKS is set in gc.h. */ - -#if defined(SPARC) -# define CAN_SAVE_CALL_ARGS -#endif -#if (defined(I386) || defined(X86_64)) && (defined(LINUX) || defined(__GLIBC__)) - /* SAVE_CALL_CHAIN is supported if the code is compiled to save */ - /* frame pointers by default, i.e. no -fomit-frame-pointer flag. */ -# define CAN_SAVE_CALL_ARGS -#endif - -# if defined(SAVE_CALL_COUNT) && !defined(GC_ADD_CALLER) \ - && defined(GC_CAN_SAVE_CALL_STACKS) -# define SAVE_CALL_CHAIN -# endif -# ifdef SAVE_CALL_CHAIN -# if defined(SAVE_CALL_NARGS) && defined(CAN_SAVE_CALL_ARGS) -# define NARGS SAVE_CALL_NARGS -# else -# define NARGS 0 /* Number of arguments to save for each call. */ -# endif -# endif -# ifdef SAVE_CALL_CHAIN -# ifndef SAVE_CALL_COUNT -# define NFRAMES 6 /* Number of frames to save. Even for */ - /* alignment reasons. */ -# else -# define NFRAMES ((SAVE_CALL_COUNT + 1) & ~1) -# endif -# define NEED_CALLINFO -# endif /* SAVE_CALL_CHAIN */ -# ifdef GC_ADD_CALLER -# define NFRAMES 1 -# define NARGS 0 -# define NEED_CALLINFO -# endif - -# if defined(MAKE_BACK_GRAPH) && !defined(DBG_HDRS_ALL) -# define DBG_HDRS_ALL -# endif - -# if defined(POINTER_MASK) && !defined(POINTER_SHIFT) -# define POINTER_SHIFT 0 -# endif - -# if defined(POINTER_SHIFT) && !defined(POINTER_MASK) -# define POINTER_MASK ((GC_word)(-1)) -# endif - -# if !defined(FIXUP_POINTER) && defined(POINTER_MASK) -# define FIXUP_POINTER(p) (p) = ((p) & (POINTER_MASK) << POINTER_SHIFT) -# endif - -# if defined(FIXUP_POINTER) -# define NEED_FIXUP_POINTER 1 -# else -# define NEED_FIXUP_POINTER 0 -# define FIXUP_POINTER(p) -# endif - -# if !defined(MARK_BIT_PER_GRANULE) && !defined(MARK_BIT_PER_OBJ) -# define MARK_BIT_PER_GRANULE /* Usually faster */ -# endif - -/* Some static sanity tests. */ -# if defined(MARK_BIT_PER_GRANULE) && defined(MARK_BIT_PER_OBJ) -# error Define only one of MARK_BIT_PER_GRANULE and MARK_BIT_PER_OBJ. -# endif - -# if defined(STACK_GROWS_UP) && defined(STACK_GROWS_DOWN) -# error "Only one of STACK_GROWS_UP and STACK_GROWS_DOWN should be defd." -# endif -# if !defined(STACK_GROWS_UP) && !defined(STACK_GROWS_DOWN) -# error "One of STACK_GROWS_UP and STACK_GROWS_DOWN should be defd." -# endif - -# if defined(REDIRECT_MALLOC) && defined(THREADS) && !defined(LINUX) -# error "REDIRECT_MALLOC with THREADS works at most on Linux." -# endif - -#ifdef GC_PRIVATE_H - /* This relies on some type definitions from gc_priv.h, from */ - /* where it's normally included. */ - /* */ - /* How to get heap memory from the OS: */ - /* Note that sbrk()-like allocation is preferred, since it */ - /* usually makes it possible to merge consecutively allocated */ - /* chunks. It also avoids unintented recursion with */ - /* -DREDIRECT_MALLOC. */ - /* GET_MEM() returns a HLKSIZE aligned chunk. */ - /* 0 is taken to mean failure. */ - /* In the case os USE_MMAP, the argument must also be a */ - /* physical page size. */ - /* GET_MEM is currently not assumed to retrieve 0 filled space, */ - /* though we should perhaps take advantage of the case in which */ - /* does. */ - struct hblk; /* See gc_priv.h. */ -# if defined(PCR) - char * real_malloc(); -# define GET_MEM(bytes) HBLKPTR(real_malloc((size_t)bytes + GC_page_size) \ - + GC_page_size-1) -# elif defined(OS2) - void * os2_alloc(size_t bytes); -# define GET_MEM(bytes) HBLKPTR((ptr_t)os2_alloc((size_t)bytes \ - + GC_page_size) \ - + GC_page_size-1) -# elif defined(NEXT) || defined(DOS4GW) || defined(NONSTOP) || \ - (defined(AMIGA) && !defined(GC_AMIGA_FASTALLOC)) || \ - (defined(SOLARIS) && !defined(USE_MMAP)) -# define GET_MEM(bytes) HBLKPTR((size_t) calloc(1, (size_t)bytes + GC_page_size) \ - + GC_page_size-1) -# elif defined(MSWIN32) - extern ptr_t GC_win32_get_mem(); -# define GET_MEM(bytes) (struct hblk *)GC_win32_get_mem(bytes) -# elif defined(MACOS) -# if defined(USE_TEMPORARY_MEMORY) - extern Ptr GC_MacTemporaryNewPtr(size_t size, Boolean clearMemory); -# define GET_MEM(bytes) HBLKPTR( \ - GC_MacTemporaryNewPtr(bytes + GC_page_size, true) \ - + GC_page_size-1) -# else -# define GET_MEM(bytes) HBLKPTR( \ - NewPtrClear(bytes + GC_page_size) + GC_page_size-1) -# endif -# elif defined(MSWINCE) - extern ptr_t GC_wince_get_mem(); -# define GET_MEM(bytes) (struct hblk *)GC_wince_get_mem(bytes) -# elif defined(AMIGA) && defined(GC_AMIGA_FASTALLOC) - extern void *GC_amiga_get_mem(size_t size); -# define GET_MEM(bytes) HBLKPTR((size_t) \ - GC_amiga_get_mem((size_t)bytes + GC_page_size) \ - + GC_page_size-1) -# else - extern ptr_t GC_unix_get_mem(); -# define GET_MEM(bytes) (struct hblk *)GC_unix_get_mem(bytes) -# endif - -#endif /* GC_PRIVATE_H */ - -# endif /* GCCONFIG_H */ diff --git a/vendor/gc/include/private/msvc_dbg.h b/vendor/gc/include/private/msvc_dbg.h deleted file mode 100644 index 1d3030a..0000000 --- a/vendor/gc/include/private/msvc_dbg.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - Copyright (c) 2004-2005 Andrei Polushin - - Permission is hereby granted, free of charge, to any person obtaining a copy - of this software and associated documentation files (the "Software"), to deal - in the Software without restriction, including without limitation the rights - to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - copies of the Software, and to permit persons to whom the Software is - furnished to do so, subject to the following conditions: - - The above copyright notice and this permission notice shall be included in - all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - THE SOFTWARE. -*/ -#ifndef _MSVC_DBG_H -#define _MSVC_DBG_H - -#include - -#ifdef __cplusplus -extern "C" { -#endif - -#if !MSVC_DBG_DLL -#define MSVC_DBG_EXPORT -#elif MSVC_DBG_BUILD -#define MSVC_DBG_EXPORT __declspec(dllexport) -#else -#define MSVC_DBG_EXPORT __declspec(dllimport) -#endif - -#ifndef MAX_SYM_NAME -#define MAX_SYM_NAME 2000 -#endif - -typedef void* HANDLE; -typedef struct _CONTEXT CONTEXT; - -MSVC_DBG_EXPORT size_t GetStackFrames(size_t skip, void* frames[], size_t maxFrames); -MSVC_DBG_EXPORT size_t GetStackFramesFromContext(HANDLE hProcess, HANDLE hThread, CONTEXT* context, size_t skip, void* frames[], size_t maxFrames); - -MSVC_DBG_EXPORT size_t GetModuleNameFromAddress(void* address, char* moduleName, size_t size); -MSVC_DBG_EXPORT size_t GetModuleNameFromStack(size_t skip, char* moduleName, size_t size); - -MSVC_DBG_EXPORT size_t GetSymbolNameFromAddress(void* address, char* symbolName, size_t size, size_t* offsetBytes); -MSVC_DBG_EXPORT size_t GetSymbolNameFromStack(size_t skip, char* symbolName, size_t size, size_t* offsetBytes); - -MSVC_DBG_EXPORT size_t GetFileLineFromAddress(void* address, char* fileName, size_t size, size_t* lineNumber, size_t* offsetBytes); -MSVC_DBG_EXPORT size_t GetFileLineFromStack(size_t skip, char* fileName, size_t size, size_t* lineNumber, size_t* offsetBytes); - -MSVC_DBG_EXPORT size_t GetDescriptionFromAddress(void* address, const char* format, char* description, size_t size); -MSVC_DBG_EXPORT size_t GetDescriptionFromStack(void*const frames[], size_t count, const char* format, char* description[], size_t size); - -/* Compatibility with */ -MSVC_DBG_EXPORT int backtrace(void* addresses[], int count); -MSVC_DBG_EXPORT char** backtrace_symbols(void*const addresses[], int count); - -#ifdef __cplusplus -} -#endif - -#endif/*_MSVC_DBG_H*/ diff --git a/vendor/gc/include/private/pthread_stop_world.h b/vendor/gc/include/private/pthread_stop_world.h deleted file mode 100644 index 6f9197a..0000000 --- a/vendor/gc/include/private/pthread_stop_world.h +++ /dev/null @@ -1,11 +0,0 @@ -#ifndef GC_PTHREAD_STOP_WORLD_H -#define GC_PTHREAD_STOP_WORLD_H - -struct thread_stop_info { - word last_stop_count; /* GC_last_stop_count value when thread */ - /* last successfully handled a suspend */ - /* signal. */ - ptr_t stack_ptr; /* Valid only when stopped. */ -}; - -#endif diff --git a/vendor/gc/include/private/pthread_support.h b/vendor/gc/include/private/pthread_support.h deleted file mode 100644 index 77f1ad1..0000000 --- a/vendor/gc/include/private/pthread_support.h +++ /dev/null @@ -1,84 +0,0 @@ -#ifndef GC_PTHREAD_SUPPORT_H -#define GC_PTHREAD_SUPPORT_H - -# include "private/gc_priv.h" - -# if defined(GC_PTHREADS) && !defined(GC_WIN32_THREADS) - -#if defined(GC_DARWIN_THREADS) -# include "private/darwin_stop_world.h" -#else -# include "private/pthread_stop_world.h" -#endif - -#ifdef THREAD_LOCAL_ALLOC -# include "thread_local_alloc.h" -#endif /* THREAD_LOCAL_ALLOC */ - -/* We use the allocation lock to protect thread-related data structures. */ - -/* The set of all known threads. We intercept thread creation and */ -/* joins. */ -/* Protected by allocation/GC lock. */ -/* Some of this should be declared volatile, but that's inconsistent */ -/* with some library routine declarations. */ -typedef struct GC_Thread_Rep { - struct GC_Thread_Rep * next; /* More recently allocated threads */ - /* with a given pthread id come */ - /* first. (All but the first are */ - /* guaranteed to be dead, but we may */ - /* not yet have registered the join.) */ - pthread_t id; - /* Extra bookkeeping information the stopping code uses */ - struct thread_stop_info stop_info; - - short flags; -# define FINISHED 1 /* Thread has exited. */ -# define DETACHED 2 /* Thread is treated as detached. */ - /* Thread may really be detached, or */ - /* it may have have been explicitly */ - /* registered, in which case we can */ - /* deallocate its GC_Thread_Rep once */ - /* it unregisters itself, since it */ - /* may not return a GC pointer. */ -# define MAIN_THREAD 4 /* True for the original thread only. */ - short thread_blocked; /* Protected by GC lock. */ - /* Treated as a boolean value. If set, */ - /* thread will acquire GC lock before */ - /* doing any pointer manipulations, and */ - /* has set its sp value. Thus it does */ - /* not need to be sent a signal to stop */ - /* it. */ - ptr_t stack_end; /* Cold end of the stack. */ -# ifdef IA64 - ptr_t backing_store_end; - ptr_t backing_store_ptr; -# endif - void * status; /* The value returned from the thread. */ - /* Used only to avoid premature */ - /* reclamation of any data it might */ - /* reference. */ - /* This is unfortunately also the */ - /* reason we need to intercept join */ - /* and detach. */ -# ifdef THREAD_LOCAL_ALLOC - struct thread_local_freelists tlfs; -# endif -} * GC_thread; - -# define THREAD_TABLE_SZ 256 /* Must be power of 2 */ -extern volatile GC_thread GC_threads[THREAD_TABLE_SZ]; - -extern GC_bool GC_thr_initialized; - -GC_thread GC_lookup_thread(pthread_t id); - -void GC_stop_init(); - -extern GC_bool GC_in_thread_creation; - /* We may currently be in thread creation or destruction. */ - /* Only set to TRUE while allocation lock is held. */ - /* When set, it is OK to run GC from unknown thread. */ - -#endif /* GC_PTHREADS && !GC_SOLARIS_THREADS.... etc */ -#endif /* GC_PTHREAD_SUPPORT_H */ diff --git a/vendor/gc/include/private/specific.h b/vendor/gc/include/private/specific.h deleted file mode 100644 index fc2e8f9..0000000 --- a/vendor/gc/include/private/specific.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * This is a reimplementation of a subset of the pthread_getspecific/setspecific - * interface. This appears to outperform the standard linuxthreads one - * by a significant margin. - * The major restriction is that each thread may only make a single - * pthread_setspecific call on a single key. (The current data structure - * doesn't really require that. The restriction should be easily removable.) - * We don't currently support the destruction functions, though that - * could be done. - * We also currently assume that only one pthread_setspecific call - * can be executed at a time, though that assumption would be easy to remove - * by adding a lock. - */ - -#include -#include "atomic_ops.h" - -/* Called during key creation or setspecific. */ -/* For the GC we already hold lock. */ -/* Currently allocated objects leak on thread exit. */ -/* That's hard to fix, but OK if we allocate garbage */ -/* collected memory. */ -#define MALLOC_CLEAR(n) GC_INTERNAL_MALLOC(n, NORMAL) -#define PREFIXED(name) GC_##name - -#define TS_CACHE_SIZE 1024 -#define CACHE_HASH(n) (((((long)n) >> 8) ^ (long)n) & (TS_CACHE_SIZE - 1)) -#define TS_HASH_SIZE 1024 -#define HASH(n) (((((long)n) >> 8) ^ (long)n) & (TS_HASH_SIZE - 1)) - -/* An entry describing a thread-specific value for a given thread. */ -/* All such accessible structures preserve the invariant that if either */ -/* thread is a valid pthread id or qtid is a valid "quick tread id" */ -/* for a thread, then value holds the corresponding thread specific */ -/* value. This invariant must be preserved at ALL times, since */ -/* asynchronous reads are allowed. */ -typedef struct thread_specific_entry { - volatile AO_t qtid; /* quick thread id, only for cache */ - void * value; - struct thread_specific_entry *next; - pthread_t thread; -} tse; - - -/* We represent each thread-specific datum as two tables. The first is */ -/* a cache, indexed by a "quick thread identifier". The "quick" thread */ -/* identifier is an easy to compute value, which is guaranteed to */ -/* determine the thread, though a thread may correspond to more than */ -/* one value. We typically use the address of a page in the stack. */ -/* The second is a hash table, indexed by pthread_self(). It is used */ -/* only as a backup. */ - -/* Return the "quick thread id". Default version. Assumes page size, */ -/* or at least thread stack separation, is at least 4K. */ -/* Must be defined so that it never returns 0. (Page 0 can't really */ -/* be part of any stack, since that would make 0 a valid stack pointer.)*/ -static __inline__ unsigned long quick_thread_id() { - int dummy; - return (unsigned long)(&dummy) >> 12; -} - -#define INVALID_QTID ((unsigned long)0) -#define INVALID_THREADID ((pthread_t)0) - -typedef struct thread_specific_data { - tse * volatile cache[TS_CACHE_SIZE]; - /* A faster index to the hash table */ - tse * hash[TS_HASH_SIZE]; - pthread_mutex_t lock; -} tsd; - -typedef tsd * PREFIXED(key_t); - -extern int PREFIXED(key_create) (tsd ** key_ptr, void (* destructor)(void *)); - -extern int PREFIXED(setspecific) (tsd * key, void * value); - -extern void PREFIXED(remove_specific) (tsd * key); - -/* An internal version of getspecific that assumes a cache miss. */ -void * PREFIXED(slow_getspecific) (tsd * key, unsigned long qtid, - tse * volatile * cache_entry); - -static __inline__ void * PREFIXED(getspecific) (tsd * key) { - long qtid = quick_thread_id(); - unsigned hash_val = CACHE_HASH(qtid); - tse * volatile * entry_ptr = key -> cache + hash_val; - tse * entry = *entry_ptr; /* Must be loaded only once. */ - if (EXPECT(entry -> qtid == qtid, 1)) { - GC_ASSERT(entry -> thread == pthread_self()); - return entry -> value; - } - return PREFIXED(slow_getspecific) (key, qtid, entry_ptr); -} - - diff --git a/vendor/gc/include/private/thread_local_alloc.h b/vendor/gc/include/private/thread_local_alloc.h deleted file mode 100644 index 90a246a..0000000 --- a/vendor/gc/include/private/thread_local_alloc.h +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright (c) 2000-2005 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* Included indirectly from a thread-library-specific file. */ -/* This is the interface for thread-local allocation, whose */ -/* implementation is mostly thread-library-independent. */ -/* Here we describe only the interface that needs to be known */ -/* and invoked from the thread support layer; the actual */ -/* implementation also exports GC_malloc and friends, which */ -/* are declared in gc.h. */ - -#include "private/gc_priv.h" - -#if defined(THREAD_LOCAL_ALLOC) - -#include "gc_inline.h" - - -# if defined USE_HPUX_TLS -# error USE_HPUX_TLS macro was replaced by USE_COMPILER_TLS -# endif - -# if !defined(USE_PTHREAD_SPECIFIC) && !defined(USE_WIN32_SPECIFIC) && \ - !defined(USE_WIN32_COMPILER_TLS) && !defined(USE_COMPILER_TLS) && \ - !defined(USE_CUSTOM_SPECIFIC) -# if defined(MSWIN32) || defined(MSWINCE) || defined(CYGWIN32) -# if defined(__GNUC__) /* Fixed for versions past 2.95? */ -# define USE_WIN32_SPECIFIC -# else -# define USE_WIN32_COMPILER_TLS -# endif /* !GNU */ -# elif defined(LINUX) && !defined(ARM32) && \ - (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >=3)) -# define USE_COMPILER_TLS -# elif (defined(GC_DGUX386_THREADS) || defined(GC_OSF1_THREADS) || \ - defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS)) || \ - defined(GC_NETBSD_THREADS) -# define USE_PTHREAD_SPECIFIC -# elif defined(GC_HPUX_THREADS) -# ifdef __GNUC__ -# define USE_PTHREAD_SPECIFIC - /* Empirically, as of gcc 3.3, USE_COMPILER_TLS doesn't work. */ -# else -# define USE_COMPILER_TLS -# endif -# else -# define USE_CUSTOM_SPECIFIC /* Use our own. */ -# endif -# endif - -# include - -/* One of these should be declared as the tlfs field in the */ -/* structure pointed to by a GC_thread. */ -typedef struct thread_local_freelists { -# ifdef THREAD_LOCAL_ALLOC - void * ptrfree_freelists[TINY_FREELISTS]; - void * normal_freelists[TINY_FREELISTS]; -# ifdef GC_GCJ_SUPPORT - void * gcj_freelists[TINY_FREELISTS]; -# define ERROR_FL (void *)(-1) - /* Value used for gcj_freelist[-1]; allocation is */ - /* erroneous. */ -# endif - /* Free lists contain either a pointer or a small count */ - /* reflecting the number of granules allocated at that */ - /* size. */ - /* 0 ==> thread-local allocation in use, free list */ - /* empty. */ - /* > 0, <= DIRECT_GRANULES ==> Using global allocation, */ - /* too few objects of this size have been */ - /* allocated by this thread. */ - /* >= HBLKSIZE => pointer to nonempty free list. */ - /* > DIRECT_GRANULES, < HBLKSIZE ==> transition to */ - /* local alloc, equivalent to 0. */ -# define DIRECT_GRANULES (HBLKSIZE/GRANULE_BYTES) - /* Don't use local free lists for up to this much */ - /* allocation. */ - -# endif -} *GC_tlfs; - -# if defined(USE_PTHREAD_SPECIFIC) -# define GC_getspecific pthread_getspecific -# define GC_setspecific pthread_setspecific -# define GC_key_create pthread_key_create -# define GC_remove_specific(key) /* No need for cleanup on exit. */ - typedef pthread_key_t GC_key_t; -# elif defined(USE_COMPILER_TLS) || defined(USE_WIN32_COMPILER_TLS) -# define GC_getspecific(x) (x) -# define GC_setspecific(key, v) ((key) = (v), 0) -# define GC_key_create(key, d) 0 -# define GC_remove_specific(key) /* No need for cleanup on exit. */ - typedef void * GC_key_t; -# elif defined(USE_WIN32_SPECIFIC) -# include -# define GC_getspecific TlsGetValue -# define GC_setspecific(key, v) !TlsSetValue(key, v) - /* We assume 0 == success, msft does the opposite. */ -# define GC_key_create(key, d) \ - ((d) != 0? (ABORT("Destructor unsupported by TlsAlloc"),0) \ - : ((*(key) = TlsAlloc()) == TLS_OUT_OF_INDEXES? \ - (ABORT("Out of tls"), 0): \ - 0)) -# define GC_remove_specific(key) /* No need for cleanup on thread exit. */ - /* Need TlsFree on process exit/detach ? */ - typedef DWORD GC_key_t; -# elif defined(USE_CUSTOM_SPECIFIC) -# include "private/specific.h" -# else -# error implement me -# endif - - -/* Each thread structure must be initialized. */ -/* This call must be made from the new thread. */ -/* Caller holds allocation lock. */ -void GC_init_thread_local(GC_tlfs p); - -/* Called when a thread is unregistered, or exits. */ -/* We hold the allocator lock. */ -void GC_destroy_thread_local(GC_tlfs p); - -/* The thread support layer must arrange to mark thread-local */ -/* free lists explicitly, since the link field is often */ -/* invisible to the marker. It knows hoe to find all threads; */ -/* we take care of an individual thread freelist structure. */ -void GC_mark_thread_local_fls_for(GC_tlfs p); - -extern -#if defined(USE_COMPILER_TLS) - __thread -#elif defined(USE_WIN32_COMPILER_TLS) - __declspec(thread) -#endif -GC_key_t GC_thread_key; - -/* This is set up by the thread_local_alloc implementation. But the */ -/* thread support layer calls GC_remove_specific(GC_thread_key) */ -/* before a thread exits. */ -/* And the thread support layer makes sure that GC_thread_key is traced,*/ -/* if necessary. */ - -#endif /* THREAD_LOCAL_ALLOC */ diff --git a/vendor/gc/include/weakpointer.h b/vendor/gc/include/weakpointer.h deleted file mode 100644 index 84906b0..0000000 --- a/vendor/gc/include/weakpointer.h +++ /dev/null @@ -1,221 +0,0 @@ -#ifndef _weakpointer_h_ -#define _weakpointer_h_ - -/**************************************************************************** - -WeakPointer and CleanUp - - Copyright (c) 1991 by Xerox Corporation. All rights reserved. - - THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - - Permission is hereby granted to copy this code for any purpose, - provided the above notices are retained on all copies. - - Last modified on Mon Jul 17 18:16:01 PDT 1995 by ellis - -****************************************************************************/ - -/**************************************************************************** - -WeakPointer - -A weak pointer is a pointer to a heap-allocated object that doesn't -prevent the object from being garbage collected. Weak pointers can be -used to track which objects haven't yet been reclaimed by the -collector. A weak pointer is deactivated when the collector discovers -its referent object is unreachable by normal pointers (reachability -and deactivation are defined more precisely below). A deactivated weak -pointer remains deactivated forever. - -****************************************************************************/ - - -template< class T > class WeakPointer { -public: - -WeakPointer( T* t = 0 ) - /* Constructs a weak pointer for *t. t may be null. It is an error - if t is non-null and *t is not a collected object. */ - {impl = _WeakPointer_New( t );} - -T* Pointer() - /* wp.Pointer() returns a pointer to the referent object of wp or - null if wp has been deactivated (because its referent object - has been discovered unreachable by the collector). */ - {return (T*) _WeakPointer_Pointer( this->impl );} - -int operator==( WeakPointer< T > wp2 ) - /* Given weak pointers wp1 and wp2, if wp1 == wp2, then wp1 and - wp2 refer to the same object. If wp1 != wp2, then either wp1 - and wp2 don't refer to the same object, or if they do, one or - both of them has been deactivated. (Note: If objects t1 and t2 - are never made reachable by their clean-up functions, then - WeakPointer(t1) == WeakPointer(t2) if and only t1 == t2.) */ - {return _WeakPointer_Equal( this->impl, wp2.impl );} - -int Hash() - /* Returns a hash code suitable for use by multiplicative- and - division-based hash tables. If wp1 == wp2, then wp1.Hash() == - wp2.Hash(). */ - {return _WeakPointer_Hash( this->impl );} - -private: -void* impl; -}; - -/***************************************************************************** - -CleanUp - -A garbage-collected object can have an associated clean-up function -that will be invoked some time after the collector discovers the -object is unreachable via normal pointers. Clean-up functions can be -used to release resources such as open-file handles or window handles -when their containing objects become unreachable. If a C++ object has -a non-empty explicit destructor (i.e. it contains programmer-written -code), the destructor will be automatically registered as the object's -initial clean-up function. - -There is no guarantee that the collector will detect every unreachable -object (though it will find almost all of them). Clients should not -rely on clean-up to cause some action to occur immediately -- clean-up -is only a mechanism for improving resource usage. - -Every object with a clean-up function also has a clean-up queue. When -the collector finds the object is unreachable, it enqueues it on its -queue. The clean-up function is applied when the object is removed -from the queue. By default, objects are enqueued on the garbage -collector's queue, and the collector removes all objects from its -queue after each collection. If a client supplies another queue for -objects, it is his responsibility to remove objects (and cause their -functions to be called) by polling it periodically. - -Clean-up queues allow clean-up functions accessing global data to -synchronize with the main program. Garbage collection can occur at any -time, and clean-ups invoked by the collector might access data in an -inconsistent state. A client can control this by defining an explicit -queue for objects and polling it at safe points. - -The following definitions are used by the specification below: - -Given a pointer t to a collected object, the base object BO(t) is the -value returned by new when it created the object. (Because of multiple -inheritance, t and BO(t) may not be the same address.) - -A weak pointer wp references an object *t if BO(wp.Pointer()) == -BO(t). - -***************************************************************************/ - -template< class T, class Data > class CleanUp { -public: - -static void Set( T* t, void c( Data* d, T* t ), Data* d = 0 ) - /* Sets the clean-up function of object BO(t) to be , - replacing any previously defined clean-up function for BO(t); c - and d can be null, but t cannot. Sets the clean-up queue for - BO(t) to be the collector's queue. When t is removed from its - clean-up queue, its clean-up will be applied by calling c(d, - t). It is an error if *t is not a collected object. */ - {_CleanUp_Set( t, c, d );} - -static void Call( T* t ) - /* Sets the new clean-up function for BO(t) to be null and, if the - old one is non-null, calls it immediately, even if BO(t) is - still reachable. Deactivates any weak pointers to BO(t). */ - {_CleanUp_Call( t );} - -class Queue {public: - Queue() - /* Constructs a new queue. */ - {this->head = _CleanUp_Queue_NewHead();} - - void Set( T* t ) - /* q.Set(t) sets the clean-up queue of BO(t) to be q. */ - {_CleanUp_Queue_Set( this->head, t );} - - int Call() - /* If q is non-empty, q.Call() removes the first object and - calls its clean-up function; does nothing if q is - empty. Returns true if there are more objects in the - queue. */ - {return _CleanUp_Queue_Call( this->head );} - - private: - void* head; - }; -}; - -/********************************************************************** - -Reachability and Clean-up - -An object O is reachable if it can be reached via a non-empty path of -normal pointers from the registers, stacks, global variables, or an -object with a non-null clean-up function (including O itself), -ignoring pointers from an object to itself. - -This definition of reachability ensures that if object B is accessible -from object A (and not vice versa) and if both A and B have clean-up -functions, then A will always be cleaned up before B. Note that as -long as an object with a clean-up function is contained in a cycle of -pointers, it will always be reachable and will never be cleaned up or -collected. - -When the collector finds an unreachable object with a null clean-up -function, it atomically deactivates all weak pointers referencing the -object and recycles its storage. If object B is accessible from object -A via a path of normal pointers, A will be discovered unreachable no -later than B, and a weak pointer to A will be deactivated no later -than a weak pointer to B. - -When the collector finds an unreachable object with a non-null -clean-up function, the collector atomically deactivates all weak -pointers referencing the object, redefines its clean-up function to be -null, and enqueues it on its clean-up queue. The object then becomes -reachable again and remains reachable at least until its clean-up -function executes. - -The clean-up function is assured that its argument is the only -accessible pointer to the object. Nothing prevents the function from -redefining the object's clean-up function or making the object -reachable again (for example, by storing the pointer in a global -variable). - -If the clean-up function does not make its object reachable again and -does not redefine its clean-up function, then the object will be -collected by a subsequent collection (because the object remains -unreachable and now has a null clean-up function). If the clean-up -function does make its object reachable again and a clean-up function -is subsequently redefined for the object, then the new clean-up -function will be invoked the next time the collector finds the object -unreachable. - -Note that a destructor for a collected object cannot safely redefine a -clean-up function for its object, since after the destructor executes, -the object has been destroyed into "raw memory". (In most -implementations, destroying an object mutates its vtbl.) - -Finally, note that calling delete t on a collected object first -deactivates any weak pointers to t and then invokes its clean-up -function (destructor). - -**********************************************************************/ - -extern "C" { - void* _WeakPointer_New( void* t ); - void* _WeakPointer_Pointer( void* wp ); - int _WeakPointer_Equal( void* wp1, void* wp2 ); - int _WeakPointer_Hash( void* wp ); - void _CleanUp_Set( void* t, void (*c)( void* d, void* t ), void* d ); - void _CleanUp_Call( void* t ); - void* _CleanUp_Queue_NewHead (); - void _CleanUp_Queue_Set( void* h, void* t ); - int _CleanUp_Queue_Call( void* h ); -} - -#endif /* _weakpointer_h_ */ - - diff --git a/vendor/gc/install-sh b/vendor/gc/install-sh deleted file mode 100755 index 398a88e..0000000 --- a/vendor/gc/install-sh +++ /dev/null @@ -1,251 +0,0 @@ -#!/bin/sh -# -# install - install a program, script, or datafile -# This comes from X11R5 (mit/util/scripts/install.sh). -# -# Copyright 1991 by the Massachusetts Institute of Technology -# -# Permission to use, copy, modify, distribute, and sell this software and its -# documentation for any purpose is hereby granted without fee, provided that -# the above copyright notice appear in all copies and that both that -# copyright notice and this permission notice appear in supporting -# documentation, and that the name of M.I.T. not be used in advertising or -# publicity pertaining to distribution of the software without specific, -# written prior permission. M.I.T. makes no representations about the -# suitability of this software for any purpose. It is provided "as is" -# without express or implied warranty. -# -# Calling this script install-sh is preferred over install.sh, to prevent -# `make' implicit rules from creating a file called install from it -# when there is no Makefile. -# -# This script is compatible with the BSD install script, but was written -# from scratch. It can only install one file at a time, a restriction -# shared with many OS's install programs. - - -# set DOITPROG to echo to test this script - -# Don't use :- since 4.3BSD and earlier shells don't like it. -doit="${DOITPROG-}" - - -# put in absolute paths if you don't have them in your path; or use env. vars. - -mvprog="${MVPROG-mv}" -cpprog="${CPPROG-cp}" -chmodprog="${CHMODPROG-chmod}" -chownprog="${CHOWNPROG-chown}" -chgrpprog="${CHGRPPROG-chgrp}" -stripprog="${STRIPPROG-strip}" -rmprog="${RMPROG-rm}" -mkdirprog="${MKDIRPROG-mkdir}" - -transformbasename="" -transform_arg="" -instcmd="$mvprog" -chmodcmd="$chmodprog 0755" -chowncmd="" -chgrpcmd="" -stripcmd="" -rmcmd="$rmprog -f" -mvcmd="$mvprog" -src="" -dst="" -dir_arg="" - -while [ x"$1" != x ]; do - case $1 in - -c) instcmd="$cpprog" - shift - continue;; - - -d) dir_arg=true - shift - continue;; - - -m) chmodcmd="$chmodprog $2" - shift - shift - continue;; - - -o) chowncmd="$chownprog $2" - shift - shift - continue;; - - -g) chgrpcmd="$chgrpprog $2" - shift - shift - continue;; - - -s) stripcmd="$stripprog" - shift - continue;; - - -t=*) transformarg=`echo $1 | sed 's/-t=//'` - shift - continue;; - - -b=*) transformbasename=`echo $1 | sed 's/-b=//'` - shift - continue;; - - *) if [ x"$src" = x ] - then - src=$1 - else - # this colon is to work around a 386BSD /bin/sh bug - : - dst=$1 - fi - shift - continue;; - esac -done - -if [ x"$src" = x ] -then - echo "install: no input file specified" - exit 1 -else - : -fi - -if [ x"$dir_arg" != x ]; then - dst=$src - src="" - - if [ -d $dst ]; then - instcmd=: - chmodcmd="" - else - instcmd=$mkdirprog - fi -else - -# Waiting for this to be detected by the "$instcmd $src $dsttmp" command -# might cause directories to be created, which would be especially bad -# if $src (and thus $dsttmp) contains '*'. - - if [ -f $src -o -d $src ] - then - : - else - echo "install: $src does not exist" - exit 1 - fi - - if [ x"$dst" = x ] - then - echo "install: no destination specified" - exit 1 - else - : - fi - -# If destination is a directory, append the input filename; if your system -# does not like double slashes in filenames, you may need to add some logic - - if [ -d $dst ] - then - dst="$dst"/`basename $src` - else - : - fi -fi - -## this sed command emulates the dirname command -dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` - -# Make sure that the destination directory exists. -# this part is taken from Noah Friedman's mkinstalldirs script - -# Skip lots of stat calls in the usual case. -if [ ! -d "$dstdir" ]; then -defaultIFS=' - ' -IFS="${IFS-${defaultIFS}}" - -oIFS="${IFS}" -# Some sh's can't handle IFS=/ for some reason. -IFS='%' -set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'` -IFS="${oIFS}" - -pathcomp='' - -while [ $# -ne 0 ] ; do - pathcomp="${pathcomp}${1}" - shift - - if [ ! -d "${pathcomp}" ] ; - then - $mkdirprog "${pathcomp}" - else - : - fi - - pathcomp="${pathcomp}/" -done -fi - -if [ x"$dir_arg" != x ] -then - $doit $instcmd $dst && - - if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else : ; fi && - if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else : ; fi && - if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else : ; fi && - if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else : ; fi -else - -# If we're going to rename the final executable, determine the name now. - - if [ x"$transformarg" = x ] - then - dstfile=`basename $dst` - else - dstfile=`basename $dst $transformbasename | - sed $transformarg`$transformbasename - fi - -# don't allow the sed command to completely eliminate the filename - - if [ x"$dstfile" = x ] - then - dstfile=`basename $dst` - else - : - fi - -# Make a temp file name in the proper directory. - - dsttmp=$dstdir/#inst.$$# - -# Move or copy the file name to the temp name - - $doit $instcmd $src $dsttmp && - - trap "rm -f ${dsttmp}" 0 && - -# and set any options; do chmod last to preserve setuid bits - -# If any of these fail, we abort the whole thing. If we want to -# ignore errors from any of these, just make sure not to ignore -# errors from the above "$doit $instcmd $src $dsttmp" command. - - if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else :;fi && - if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else :;fi && - if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else :;fi && - if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else :;fi && - -# Now rename the file to the real destination. - - $doit $rmcmd -f $dstdir/$dstfile && - $doit $mvcmd $dsttmp $dstdir/$dstfile - -fi && - - -exit 0 diff --git a/vendor/gc/libatomic_ops-1.2/AUTHORS b/vendor/gc/libatomic_ops-1.2/AUTHORS deleted file mode 100644 index b770890..0000000 --- a/vendor/gc/libatomic_ops-1.2/AUTHORS +++ /dev/null @@ -1,4 +0,0 @@ -Originally written by Hans Boehm, with some platform-dependent code -imported from the Boehm-Demers-Weiser GC, where it was contributed -by many others. - diff --git a/vendor/gc/libatomic_ops-1.2/COPYING b/vendor/gc/libatomic_ops-1.2/COPYING deleted file mode 100644 index d60c31a..0000000 --- a/vendor/gc/libatomic_ops-1.2/COPYING +++ /dev/null @@ -1,340 +0,0 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1989, 1991 Free Software Foundation, Inc. - 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. 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Of course, the commands you use may -be called something other than `show w' and `show c'; they could even be -mouse-clicks or menu items--whatever suits your program. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a "copyright disclaimer" for the program, if -necessary. Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the program - `Gnomovision' (which makes passes at compilers) written by James Hacker. - - , 1 April 1989 - Ty Coon, President of Vice - -This General Public License does not permit incorporating your program into -proprietary programs. If your program is a subroutine library, you may -consider it more useful to permit linking proprietary applications with the -library. If this is what you want to do, use the GNU Library General -Public License instead of this License. diff --git a/vendor/gc/libatomic_ops-1.2/CVS/Entries b/vendor/gc/libatomic_ops-1.2/CVS/Entries deleted file mode 100644 index 503a352..0000000 --- a/vendor/gc/libatomic_ops-1.2/CVS/Entries +++ /dev/null @@ -1,21 +0,0 @@ -D/doc//// -D/src//// -D/tests//// -/AUTHORS/1.1/Tue Jul 11 22:55:09 2006// -/COPYING/1.1/Tue Jul 11 22:55:09 2006// -/INSTALL/1.1/Tue Jul 11 22:55:09 2006// -/Makefile.am/1.1/Tue Jul 11 22:55:09 2006// -/Makefile.in/1.1/Tue Jul 11 22:55:09 2006// -/NEWS/1.1/Tue Jul 11 22:55:09 2006// -/README/1.1/Tue Jul 11 22:55:09 2006// -/aclocal.m4/1.1/Tue Jul 11 22:55:09 2006// -/compile/1.1/Tue Jul 11 22:55:09 2006// -/config.guess/1.1/Tue Jul 11 22:55:09 2006// -/config.sub/1.1/Tue Jul 11 22:55:09 2006// -/configure/1.1/Tue Jul 11 22:55:09 2006// -/configure.ac/1.1/Tue Jul 11 22:55:09 2006// -/depcomp/1.1/Tue Jul 11 22:55:09 2006// -/install-sh/1.1/Tue Jul 11 22:55:09 2006// -/missing/1.1/Tue Jul 11 22:55:09 2006// -/mkinstalldirs/1.1/Tue Jul 11 22:55:09 2006// -/ChangeLog/1.15/Tue Feb 12 00:18:39 2008// diff --git a/vendor/gc/libatomic_ops-1.2/CVS/Repository b/vendor/gc/libatomic_ops-1.2/CVS/Repository deleted file mode 100644 index 525a8b9..0000000 --- a/vendor/gc/libatomic_ops-1.2/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2 diff --git a/vendor/gc/libatomic_ops-1.2/CVS/Root b/vendor/gc/libatomic_ops-1.2/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/ChangeLog b/vendor/gc/libatomic_ops-1.2/ChangeLog deleted file mode 100644 index e68ab4c..0000000 --- a/vendor/gc/libatomic_ops-1.2/ChangeLog +++ /dev/null @@ -1,206 +0,0 @@ -2008-02-11 Hans Boehm - (Really Ian Wienand & Debian maintainers) - * src/atomic_ops/sysdeps/gcc/x86.h - (AO_compare_double_and_swap_double_full): Correctly account for - ebx usage with PIC. - -2008-01-09 Hans Boehm - * src/atomic_ops/sysdeps/standard_ao_double_t.h: Let - double_ptr_storage default to long long; define everywhere. - -2008-01-08 Hans Boehm (Really mostly Joerg Wagner) - * src/atomic_ops/sysdeps/msftc/x86.h: Conditionally add - compare_double_and_swap_double. - -2008-01-06 Hans Boehm (Really mostly Joerg Wagner) - * src/atomic_ops/generalize.h: Add test_and_set generalizations, - Add AO_double_compare_and_swap generalizations. - * src/atomic_ops/sysdeps/armcc/arm_v6.h: New file. - * src/atomic_ops/sysdeps/gcc/arm.h: Handle V6 and V7. - * src/atomic_ops/sysdeps/gcc/x86.h, - src/atomic_ops/sysdeps/{gcc,msftc}/x86_64.h: Conditionally add - compare_double_and_swap_double, commented out for msftc. - * src/atomic_ops/sysdeps/standard_ao_double_t.h: Add - double_ptr_storage field. - -2008-01-03 Hans Boehm - (Merge from separate atomic_ops tree) - * src/atomic_ops/sysdeps/gcc/x86.h: Define correct macro for - double-width cas, and fix its implementation. - * doc/README.txt: Clarify use of _full. Add more warnings about - data dependencies. - -2008-01-02 Hans Boehm - * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_load_acquire): Add - %X1 modifier to support indexed addressing. - -2007-07-23 Hans Boehm (really Jim Marshall) - * src/atomic_ops/sysdeps/msftc/x86.h (_InterlockedExchangeAdd): Define - for VC++6. - -2007-07-05 Andreas Tobler - * src/atomic_ops.h: Check for __powerpc64__ and __ppc64__ to include - powerpc.h. - -2007-06-26 Hans Boehm (really Luca Barbato) - * src/atomic_ops/sysdeps/gcc/powerpc.h (AO_load_acquire): Add - 64-bit version. - -2007-06-13 Hans Boehm - * src/atomic_ops.h: include stddef.h - -2007-06-06 Hans Boehm - * src/atomic_ops/sysdeps/msftc/x86_64.h: New file. - * src/atomic_ops.h: Add test for msftc/x86_64.h. - * src/atomic_ops/sysdeps/msftc/x86.h: Complain for _WIN64. - * src/atomic_ops/sysdeps/Makefile.am: Add x86_64.h. - * src/atomic_ops/sysdeps/Makefile.in: Regenerate. - * src/atomic_ops/sysdeps/aligned_atomic_load_store.h, - src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h, - src/atomic_ops/sysdeps/short_aligned_atomic_load_store.h: - Replace unsigned long cast with size_t. - -2007-05-17 Hans Boehm - * src/atomic_ops/sysdeps/gcc/hppa.h (AO_test_and_set_full): - Add cast for return. - -2007-05-14 Hans Boehm - doc/README.txt: Update to reflect C++0x effort. - -2007-05-07 Hans Boehm (with help from Philipp Zambelli) - * src/atomic_ops/sysdeps/msftc/x86.h: Don't just assume that mfence - is present. - * src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set_full): Correct - oldval type. - -2006-11-09 Earl Chew (Agilent) - * msftc/x86.h: Follow Microsoft documentation and include - windows.h. - -[1.2 release] - -2006-07-11 Hans Boehm - * src/atomic_ops/sysdeps/hpc/ia64.h: Fix typos. - -2006-03-28 Earl Chew (Agilent) - * src/atomic_ops/sysdeps/gcc/powerpc.h: Remove unused variable cr. - * src/atomic_ops/sysdeps/msftc/x86.h: - Use new intrinsics available in MSVC 2003 and MSVC 2005. - Use inline assembler to generate mfence and byte sized xchg - Use correct prototype for InterlockedCompareExchange. - * src/atomic_ops.h: Add test for __PPC__ . - * tests/run_parallel.inc: Add simple VxWorks support. - * tests/test_atomic.c, tests/test_atomic_include.h: Add prototypes - to silence compiler warnings. - -2006-1-13 Hans Boehm - *src/atomic_ops/sysdeps/gcc/powerpc.h: Beginnings of 64 bit support. - *src/atomic_ops/sysdeps/gcc/x86.h: Use "=q" for AO_test_and_set_full. - -2005-11-4 Hans Boehm - *src/atomic_ops/sysdeps/gcc/ia64.h: Include - all_acquire_release_volatile.h, instead of just the pointer-sized - version. - *src/atomic_ops/sysdeps/gcc/ia64.h: Include - all_acquire_release_volatile.h and all_atomic_load_store.h, - instead of just the pointer-sized versions. - -[1.1 release] - -2005-09-27 Hans Boehm - *src/atomic_ops.h: Define AO_CAN_EMUL_CAS for arm. - *src/atomic_ops/sysdeps/read_ordered.h: New file, extracted from - ordered_except_wr.h. - *src/atomic_ops/sysdeps/ordered_except_wr.h: include read_ordered.h - instead of duplicating it. - *src/atomic_ops/sysdeps/gcc/arm.h: Include read_ordered.h. - -2005-09-16 Hans Boehm - *src/atomic_ops/sysdeps/gcc/arm.h: Replace the AO_test_and_set - definition with one that might actually work. (Thanks to Kazu - Hirata and Paul Brook.) - -2005-08-01 Hans Boehm - *src/atomic_ops/Makefile.am: Change function naming from "byte" to - "char" (again). - -[1.0 release] - -2005-03-21 Hans Boehm - Fix various acquire_release_volatile.h files to reflect the fact - that both icc and gcc seem to reorder ordinary memory accesses around - volatile accesses early in the compilation. Modify the acquire - release test to catch this problem (with high probablity, and only on - a multiprocessor). - -2005-03 Hans Boehm - Fixes for recently introduced bugs. Update x86 and x86-64 assembly - syntax to deal with complaints by some recent gcc versions. - -2005-02 Hans Boehm - Added libatomic_ops_gpl library with support for mostly - lock-free stack and malloc(). - -2005-01 Ian Wienand , Al Stone , - Hans Boehm - Use autoconf, automake, starting with code from Debian package. - Don't use libtool. - -2005-01 Hans Boehm - * test_and_set_t_is_ao_t.h, test_and_set_t_is_char.h, others: - Change most platforms to use byte-wide test-and-set locations. - -2005-01 Hans Boehm - * ao_t_is_int.h: Add to trivially support int-wide operations - on platforms with int-sized pointers. - -2004-12 Hans Boehm - * gcc/powerpc.h: First serious attempt to support PowerPC (with - help from Maged Michael and others). - -2004-12 Hans Boehm - * sunc/sparc.[hS]: Added minimal supprt for the Sun SPARC compiler. - * atomic_ops_sysdeps.S: Add support for platforms that require - out-of-line assmebly code. - -2004-10 Hans Boehm - More work on char, short, int sized data. Add both - compare_double_and_swap_double and compare_and_swap_double. - Typically each platform will provide at most one of these. - -2004-07-02 Ranko Zivojnovic - Replace both instances of AO_HAVE_NOP_FULL with AO_HAVE_nop_full. - -2004-06 Hans Boehm - Start to add atomic_ops primitives for different sized data. - -2003-12-18 Hans Boehm - * atomic_ops/sysdeps/acquire_release_volatile.h, atomic_ops.h: - Fix support for ecc on IA64. Remove compiler_barrier workaround - for gcc 3.4 and later. - -2003-12-17 Hans Boehm - * atomic_ops/sysdeps/hpc/{ia64.h,hppa.h}, - atomic_ops/sysdeps/msftc/x86.h, Makefile, Makefile.atomic_ops, - Makefile.atomic_ops.msft, atomic_ops.h: Add initial support - for atomic_ops for VC++/Windows/X86 and HP/UX with the HP - compiler on PA_RISC and IA64. - -2003-12-09 Hans Boehm - - * many: Install under "atomic_ops" instead of "ao". - Change atomic_ops include file structure. Auxiliary include - files are all under include/atomic_ops. - Fix (hopefully) "make dist" in atomic_ops distribution. - Renamed various types to end in _t, though the old versions - are still defined for backward compatibility. - -2003-12-08 Carlos O'Donell - - * ao_sysdeps/gcc/hppa.h: Define AO_CLEAR macro. Change - AO_pa_clearable_loc type. Add __ldcw, and __ldcw_align - helper macros. AO_test_and_set_full uses helper macros. - - -Started sometime after version 0.4 release. Currently the format is -informal. Eventually should become more GNU-like. diff --git a/vendor/gc/libatomic_ops-1.2/INSTALL b/vendor/gc/libatomic_ops-1.2/INSTALL deleted file mode 100644 index ab8c872..0000000 --- a/vendor/gc/libatomic_ops-1.2/INSTALL +++ /dev/null @@ -1,14 +0,0 @@ -The configuration and build scripts for this package were generated by -automake/autoconf. "configure --prefix=; make; make install" -in this directory should work. - -Note that much of the content of this library is in the header files. - -However two small libraries are built and installed: - -- libatomic_ops.a is a support library, which is not needed on some platforms. - This is intended to be usable, under some mild restrictions, in free or - proprietary code, as are all the header files. See doc/LICENSING.txt. -- libatomic_ops_gpl.a contains some higher level facilities. This code is - currently covered by the GPL. The contents currently correspond to - the headers atomic_ops_stack.h and atomic_ops_malloc.h. diff --git a/vendor/gc/libatomic_ops-1.2/Makefile.am b/vendor/gc/libatomic_ops-1.2/Makefile.am deleted file mode 100644 index da64dc2..0000000 --- a/vendor/gc/libatomic_ops-1.2/Makefile.am +++ /dev/null @@ -1,3 +0,0 @@ -SUBDIRS = src doc tests - -#distclean-local: diff --git a/vendor/gc/libatomic_ops-1.2/Makefile.in b/vendor/gc/libatomic_ops-1.2/Makefile.in deleted file mode 100644 index 8766159..0000000 --- a/vendor/gc/libatomic_ops-1.2/Makefile.in +++ /dev/null @@ -1,563 +0,0 @@ -# Makefile.in generated by automake 1.9.3 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004 Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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I hope that - # covers most systems running today. 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Hard to guess exactly what SunOS6 will be like, but - # it's likely to be more like Solaris than SunOS4. - echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4*:SunOS:*:*) - case "`/usr/bin/arch -k`" in - Series*|S4*) - UNAME_RELEASE=`uname -v` - ;; - esac - # Japanese Language versions have a version number like `4.1.3-JL'. - echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` - exit ;; - sun3*:SunOS:*:*) - echo m68k-sun-sunos${UNAME_RELEASE} - exit ;; - sun*:*:4.2BSD:*) - UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` - test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 - case "`/bin/arch`" in - sun3) - echo m68k-sun-sunos${UNAME_RELEASE} - ;; - sun4) - echo sparc-sun-sunos${UNAME_RELEASE} - ;; - esac - exit ;; - aushp:SunOS:*:*) - echo sparc-auspex-sunos${UNAME_RELEASE} - exit ;; - # The situation for MiNT is a little confusing. The machine name - # can be virtually everything (everything which is not - # "atarist" or "atariste" at least should have a processor - # > m68000). The system name ranges from "MiNT" over "FreeMiNT" - # to the lowercase version "mint" (or "freemint"). Finally - # the system name "TOS" denotes a system which is actually not - # MiNT. But MiNT is downward compatible to TOS, so this should - # be no problem. - atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) - echo m68k-milan-mint${UNAME_RELEASE} - exit ;; - hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) - echo m68k-hades-mint${UNAME_RELEASE} - exit ;; - *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) - echo m68k-unknown-mint${UNAME_RELEASE} - exit ;; - m68k:machten:*:*) - echo m68k-apple-machten${UNAME_RELEASE} - exit ;; - powerpc:machten:*:*) - echo powerpc-apple-machten${UNAME_RELEASE} - exit ;; - RISC*:Mach:*:*) - echo mips-dec-mach_bsd4.3 - exit ;; - RISC*:ULTRIX:*:*) - echo mips-dec-ultrix${UNAME_RELEASE} - exit ;; - VAX*:ULTRIX*:*:*) - echo vax-dec-ultrix${UNAME_RELEASE} - exit ;; - 2020:CLIX:*:* | 2430:CLIX:*:*) - echo clipper-intergraph-clix${UNAME_RELEASE} - exit ;; - mips:*:*:UMIPS | mips:*:*:RISCos) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c -#ifdef __cplusplus -#include /* for printf() prototype */ - int main (int argc, char *argv[]) { -#else - int main (argc, argv) int argc; char *argv[]; { -#endif - #if defined (host_mips) && defined (MIPSEB) - #if defined (SYSTYPE_SYSV) - printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_SVR4) - printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) - printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); - #endif - #endif - exit (-1); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && - dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && - SYSTEM_NAME=`$dummy $dummyarg` && - { echo "$SYSTEM_NAME"; exit; } - echo mips-mips-riscos${UNAME_RELEASE} - exit ;; - Motorola:PowerMAX_OS:*:*) - echo powerpc-motorola-powermax - exit ;; 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- Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) - echo m68k-tektronix-bsd - exit ;; - *:IRIX*:*:*) - echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` - exit ;; - ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. - echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id - exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' - i*86:AIX:*:*) - echo i386-ibm-aix - exit ;; - ia64:AIX:*:*) - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} - exit ;; - *:AIX:2:3) - if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - - main() - { - if (!__power_pc()) - exit(1); - puts("powerpc-ibm-aix3.2.5"); - exit(0); - } -EOF - if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` - then - echo "$SYSTEM_NAME" - else - echo rs6000-ibm-aix3.2.5 - fi - elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then - echo rs6000-ibm-aix3.2.4 - else - echo rs6000-ibm-aix3.2 - fi - exit ;; - *:AIX:*:[45]) - IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` - if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then - IBM_ARCH=rs6000 - else - IBM_ARCH=powerpc - fi - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${IBM_ARCH}-ibm-aix${IBM_REV} - exit ;; - *:AIX:*:*) - echo rs6000-ibm-aix - exit ;; - ibmrt:4.4BSD:*|romp-ibm:BSD:*) - echo romp-ibm-bsd4.4 - exit ;; - ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and - echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to - exit ;; # report: romp-ibm BSD 4.3 - *:BOSX:*:*) - echo rs6000-bull-bosx - exit ;; - DPX/2?00:B.O.S.:*:*) - echo m68k-bull-sysv3 - exit ;; - 9000/[34]??:4.3bsd:1.*:*) - echo m68k-hp-bsd - exit ;; - hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) - echo m68k-hp-bsd4.4 - exit ;; - 9000/[34678]??:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - case "${UNAME_MACHINE}" in - 9000/31? ) HP_ARCH=m68000 ;; - 9000/[34]?? ) HP_ARCH=m68k ;; - 9000/[678][0-9][0-9]) - if [ -x /usr/bin/getconf ]; then - sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` - sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` - case "${sc_cpu_version}" in - 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 - 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 - 532) # CPU_PA_RISC2_0 - case "${sc_kernel_bits}" in - 32) HP_ARCH="hppa2.0n" ;; - 64) HP_ARCH="hppa2.0w" ;; - '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 - esac ;; - esac - fi - if [ "${HP_ARCH}" = "" ]; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - - #define _HPUX_SOURCE - #include - #include - - int main () - { - #if defined(_SC_KERNEL_BITS) - long bits = sysconf(_SC_KERNEL_BITS); - #endif - long cpu = sysconf (_SC_CPU_VERSION); - - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1"); break; - case CPU_PA_RISC2_0: - #if defined(_SC_KERNEL_BITS) - switch (bits) - { - case 64: puts ("hppa2.0w"); break; - case 32: puts ("hppa2.0n"); break; - default: puts ("hppa2.0"); break; - } break; - #else /* !defined(_SC_KERNEL_BITS) */ - puts ("hppa2.0"); break; - #endif - default: puts ("hppa1.0"); break; - } - exit (0); - } -EOF - (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` - test -z "$HP_ARCH" && HP_ARCH=hppa - fi ;; - esac - if [ ${HP_ARCH} = "hppa2.0w" ] - then - eval $set_cc_for_build - - # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating - # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler - # generating 64-bit code. GNU and HP use different nomenclature: - # - # $ CC_FOR_BUILD=cc ./config.guess - # => hppa2.0w-hp-hpux11.23 - # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess - # => hppa64-hp-hpux11.23 - - if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | - grep __LP64__ >/dev/null - then - HP_ARCH="hppa2.0w" - else - HP_ARCH="hppa64" - fi - fi - echo ${HP_ARCH}-hp-hpux${HPUX_REV} - exit ;; - ia64:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - echo ia64-hp-hpux${HPUX_REV} - exit ;; - 3050*:HI-UX:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - int - main () - { - long cpu = sysconf (_SC_CPU_VERSION); - /* The order matters, because CPU_IS_HP_MC68K erroneously returns - true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct - results, however. */ - if (CPU_IS_PA_RISC (cpu)) - { - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; - case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; - default: puts ("hppa-hitachi-hiuxwe2"); break; - } - } - else if (CPU_IS_HP_MC68K (cpu)) - puts ("m68k-hitachi-hiuxwe2"); - else puts ("unknown-hitachi-hiuxwe2"); - exit (0); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - echo unknown-hitachi-hiuxwe2 - exit ;; - 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) - echo hppa1.1-hp-bsd - exit ;; - 9000/8??:4.3bsd:*:*) - echo hppa1.0-hp-bsd - exit ;; - *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) - echo hppa1.0-hp-mpeix - exit ;; - hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) - echo hppa1.1-hp-osf - exit ;; - hp8??:OSF1:*:*) - echo hppa1.0-hp-osf - exit ;; - i*86:OSF1:*:*) - if [ -x /usr/sbin/sysversion ] ; then - echo ${UNAME_MACHINE}-unknown-osf1mk - else - echo ${UNAME_MACHINE}-unknown-osf1 - fi - exit ;; - parisc*:Lites*:*:*) - echo hppa1.1-hp-lites - exit ;; - C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) - echo c1-convex-bsd - exit ;; - C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) - echo c34-convex-bsd - exit ;; - C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) - echo c38-convex-bsd - exit ;; - C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) - echo c4-convex-bsd - exit ;; - CRAY*Y-MP:*:*:*) - echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*[A-Z]90:*:*:*) - echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ - | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ - -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ - -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*TS:*:*:*) - echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*T3E:*:*:*) - echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*SV1:*:*:*) - echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - *:UNICOS/mp:*:*) - echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) - FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` - echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - 5000:UNIX_System_V:4.*:*) - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` - echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) - echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} - exit ;; - sparc*:BSD/OS:*:*) - echo sparc-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:BSD/OS:*:*) - echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:FreeBSD:*:*) - case ${UNAME_MACHINE} in - pc98) - echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - amd64) - echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - *) - echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - esac - exit ;; - i*:CYGWIN*:*) - echo ${UNAME_MACHINE}-pc-cygwin - exit ;; - i*:MINGW*:*) - echo ${UNAME_MACHINE}-pc-mingw32 - exit ;; - i*:windows32*:*) - # uname -m includes "-pc" on this system. - echo ${UNAME_MACHINE}-mingw32 - exit ;; - i*:PW*:*) - echo ${UNAME_MACHINE}-pc-pw32 - exit ;; - x86:Interix*:[345]*) - echo i586-pc-interix${UNAME_RELEASE} - exit ;; - EM64T:Interix*:[345]*) - echo x86_64-unknown-interix${UNAME_RELEASE} - exit ;; - [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) - echo i${UNAME_MACHINE}-pc-mks - exit ;; - i*:Windows_NT*:* | Pentium*:Windows_NT*:*) - # How do we know it's Interix rather than the generic POSIX subsystem? - # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we - # UNAME_MACHINE based on the output of uname instead of i386? - echo i586-pc-interix - exit ;; - i*:UWIN*:*) - echo ${UNAME_MACHINE}-pc-uwin - exit ;; - amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) - echo x86_64-unknown-cygwin - exit ;; - p*:CYGWIN*:*) - echo powerpcle-unknown-cygwin - exit ;; - prep*:SunOS:5.*:*) - echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - *:GNU:*:*) - # the GNU system - echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` - exit ;; - *:GNU/*:*:*) - # other systems with GNU libc and userland - echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu - exit ;; - i*86:Minix:*:*) - echo ${UNAME_MACHINE}-pc-minix - exit ;; - arm*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - avr32*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - cris:Linux:*:*) - echo cris-axis-linux-gnu - exit ;; - crisv32:Linux:*:*) - echo crisv32-axis-linux-gnu - exit ;; - frv:Linux:*:*) - echo frv-unknown-linux-gnu - exit ;; - ia64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m32r*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m68*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - mips:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips - #undef mipsel - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mipsel - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips - #else - CPU= - #endif - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^CPU/{ - s: ::g - p - }'`" - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - mips64:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips64 - #undef mips64el - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mips64el - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips64 - #else - CPU= - #endif - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^CPU/{ - s: ::g - p - }'`" - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - or32:Linux:*:*) - echo or32-unknown-linux-gnu - exit ;; - ppc:Linux:*:*) - echo powerpc-unknown-linux-gnu - exit ;; - ppc64:Linux:*:*) - echo powerpc64-unknown-linux-gnu - exit ;; - alpha:Linux:*:*) - case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in - EV5) UNAME_MACHINE=alphaev5 ;; - EV56) UNAME_MACHINE=alphaev56 ;; - PCA56) UNAME_MACHINE=alphapca56 ;; - PCA57) UNAME_MACHINE=alphapca56 ;; - EV6) UNAME_MACHINE=alphaev6 ;; - EV67) UNAME_MACHINE=alphaev67 ;; - EV68*) UNAME_MACHINE=alphaev68 ;; - esac - objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null - if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi - echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} - exit ;; - parisc:Linux:*:* | hppa:Linux:*:*) - # Look for CPU level - case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in - PA7*) echo hppa1.1-unknown-linux-gnu ;; - PA8*) echo hppa2.0-unknown-linux-gnu ;; - *) echo hppa-unknown-linux-gnu ;; - esac - exit ;; - parisc64:Linux:*:* | hppa64:Linux:*:*) - echo hppa64-unknown-linux-gnu - exit ;; - s390:Linux:*:* | s390x:Linux:*:*) - echo ${UNAME_MACHINE}-ibm-linux - exit ;; - sh64*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - sh*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - sparc:Linux:*:* | sparc64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - vax:Linux:*:*) - echo ${UNAME_MACHINE}-dec-linux-gnu - exit ;; - x86_64:Linux:*:*) - echo x86_64-unknown-linux-gnu - exit ;; - i*86:Linux:*:*) - # The BFD linker knows what the default object file format is, so - # first see if it will tell us. cd to the root directory to prevent - # problems with other programs or directories called `ld' in the path. - # Set LC_ALL=C to ensure ld outputs messages in English. - ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \ - | sed -ne '/supported targets:/!d - s/[ ][ ]*/ /g - s/.*supported targets: *// - s/ .*// - p'` - case "$ld_supported_targets" in - elf32-i386) - TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu" - ;; - a.out-i386-linux) - echo "${UNAME_MACHINE}-pc-linux-gnuaout" - exit ;; - coff-i386) - echo "${UNAME_MACHINE}-pc-linux-gnucoff" - exit ;; - "") - # Either a pre-BFD a.out linker (linux-gnuoldld) or - # one that does not give us useful --help. - echo "${UNAME_MACHINE}-pc-linux-gnuoldld" - exit ;; - esac - # Determine whether the default compiler is a.out or elf - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - #ifdef __ELF__ - # ifdef __GLIBC__ - # if __GLIBC__ >= 2 - LIBC=gnu - # else - LIBC=gnulibc1 - # endif - # else - LIBC=gnulibc1 - # endif - #else - #if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) - LIBC=gnu - #else - LIBC=gnuaout - #endif - #endif - #ifdef __dietlibc__ - LIBC=dietlibc - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^LIBC/{ - s: ::g - p - }'`" - test x"${LIBC}" != x && { - echo "${UNAME_MACHINE}-pc-linux-${LIBC}" - exit - } - test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; } - ;; - i*86:DYNIX/ptx:4*:*) - # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. - # earlier versions are messed up and put the nodename in both - # sysname and nodename. - echo i386-sequent-sysv4 - exit ;; - i*86:UNIX_SV:4.2MP:2.*) - # Unixware is an offshoot of SVR4, but it has its own version - # number series starting with 2... - # I am not positive that other SVR4 systems won't match this, - # I just have to hope. -- rms. - # Use sysv4.2uw... so that sysv4* matches it. - echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} - exit ;; - i*86:OS/2:*:*) - # If we were able to find `uname', then EMX Unix compatibility - # is probably installed. - echo ${UNAME_MACHINE}-pc-os2-emx - exit ;; - i*86:XTS-300:*:STOP) - echo ${UNAME_MACHINE}-unknown-stop - exit ;; - i*86:atheos:*:*) - echo ${UNAME_MACHINE}-unknown-atheos - exit ;; - i*86:syllable:*:*) - echo ${UNAME_MACHINE}-pc-syllable - exit ;; - i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*) - echo i386-unknown-lynxos${UNAME_RELEASE} - exit ;; - i*86:*DOS:*:*) - echo ${UNAME_MACHINE}-pc-msdosdjgpp - exit ;; - i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) - UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` - if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then - echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} - else - echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} - fi - exit ;; - i*86:*:5:[678]*) - # UnixWare 7.x, OpenUNIX and OpenServer 6. - case `/bin/uname -X | grep "^Machine"` in - *486*) UNAME_MACHINE=i486 ;; - *Pentium) UNAME_MACHINE=i586 ;; - *Pent*|*Celeron) UNAME_MACHINE=i686 ;; - esac - echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} - exit ;; - i*86:*:3.2:*) - if test -f /usr/options/cb.name; then - UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then - UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` - (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 - (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ - && UNAME_MACHINE=i586 - (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ - && UNAME_MACHINE=i686 - (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ - && UNAME_MACHINE=i686 - echo ${UNAME_MACHINE}-pc-sco$UNAME_REL - else - echo ${UNAME_MACHINE}-pc-sysv32 - fi - exit ;; - pc:*:*:*) - # Left here for compatibility: - # uname -m prints for DJGPP always 'pc', but it prints nothing about - # the processor, so we play safe by assuming i386. - echo i386-pc-msdosdjgpp - exit ;; - Intel:Mach:3*:*) - echo i386-pc-mach3 - exit ;; - paragon:*:*:*) - echo i860-intel-osf1 - exit ;; - i860:*:4.*:*) # i860-SVR4 - if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then - echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 - else # Add other i860-SVR4 vendors below as they are discovered. - echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 - fi - exit ;; - mini*:CTIX:SYS*5:*) - # "miniframe" - echo m68010-convergent-sysv - exit ;; - mc68k:UNIX:SYSTEM5:3.51m) - echo m68k-convergent-sysv - exit ;; - M680?0:D-NIX:5.3:*) - echo m68k-diab-dnix - exit ;; - M68*:*:R3V[5678]*:*) - test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; - 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) - OS_REL='' - test -r /etc/.relid \ - && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` - /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ - && { echo i486-ncr-sysv4.3${OS_REL}; exit; } - /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ - && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; - 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) - /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ - && { echo i486-ncr-sysv4; exit; } ;; - m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) - echo m68k-unknown-lynxos${UNAME_RELEASE} - exit ;; - mc68030:UNIX_System_V:4.*:*) - echo m68k-atari-sysv4 - exit ;; - TSUNAMI:LynxOS:2.*:*) - echo sparc-unknown-lynxos${UNAME_RELEASE} - exit ;; - rs6000:LynxOS:2.*:*) - echo rs6000-unknown-lynxos${UNAME_RELEASE} - exit ;; - PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*) - echo powerpc-unknown-lynxos${UNAME_RELEASE} - exit ;; - SM[BE]S:UNIX_SV:*:*) - echo mips-dde-sysv${UNAME_RELEASE} - exit ;; - RM*:ReliantUNIX-*:*:*) - echo mips-sni-sysv4 - exit ;; - RM*:SINIX-*:*:*) - echo mips-sni-sysv4 - exit ;; - *:SINIX-*:*:*) - if uname -p 2>/dev/null >/dev/null ; then - UNAME_MACHINE=`(uname -p) 2>/dev/null` - echo ${UNAME_MACHINE}-sni-sysv4 - else - echo ns32k-sni-sysv - fi - exit ;; - PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort - # says - echo i586-unisys-sysv4 - exit ;; - *:UNIX_System_V:4*:FTX*) - # From Gerald Hewes . - # How about differentiating between stratus architectures? -djm - echo hppa1.1-stratus-sysv4 - exit ;; - *:*:*:FTX*) - # From seanf@swdc.stratus.com. - echo i860-stratus-sysv4 - exit ;; - i*86:VOS:*:*) - # From Paul.Green@stratus.com. - echo ${UNAME_MACHINE}-stratus-vos - exit ;; - *:VOS:*:*) - # From Paul.Green@stratus.com. - echo hppa1.1-stratus-vos - exit ;; - mc68*:A/UX:*:*) - echo m68k-apple-aux${UNAME_RELEASE} - exit ;; - news*:NEWS-OS:6*:*) - echo mips-sony-newsos6 - exit ;; - R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) - if [ -d /usr/nec ]; then - echo mips-nec-sysv${UNAME_RELEASE} - else - echo mips-unknown-sysv${UNAME_RELEASE} - fi - exit ;; - BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. - echo powerpc-be-beos - exit ;; - BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. - echo powerpc-apple-beos - exit ;; - BePC:BeOS:*:*) # BeOS running on Intel PC compatible. - echo i586-pc-beos - exit ;; - SX-4:SUPER-UX:*:*) - echo sx4-nec-superux${UNAME_RELEASE} - exit ;; - SX-5:SUPER-UX:*:*) - echo sx5-nec-superux${UNAME_RELEASE} - exit ;; - SX-6:SUPER-UX:*:*) - echo sx6-nec-superux${UNAME_RELEASE} - exit ;; - Power*:Rhapsody:*:*) - echo powerpc-apple-rhapsody${UNAME_RELEASE} - exit ;; - *:Rhapsody:*:*) - echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} - exit ;; - *:Darwin:*:*) - UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown - case $UNAME_PROCESSOR in - unknown) UNAME_PROCESSOR=powerpc ;; - esac - echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} - exit ;; - *:procnto*:*:* | *:QNX:[0123456789]*:*) - UNAME_PROCESSOR=`uname -p` - if test "$UNAME_PROCESSOR" = "x86"; then - UNAME_PROCESSOR=i386 - UNAME_MACHINE=pc - fi - echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} - exit ;; - *:QNX:*:4*) - echo i386-pc-qnx - exit ;; - NSE-?:NONSTOP_KERNEL:*:*) - echo nse-tandem-nsk${UNAME_RELEASE} - exit ;; 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- *:DragonFly:*:*) - echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` - exit ;; - *:*VMS:*:*) - UNAME_MACHINE=`(uname -p) 2>/dev/null` - case "${UNAME_MACHINE}" in - A*) echo alpha-dec-vms ; exit ;; - I*) echo ia64-dec-vms ; exit ;; - V*) echo vax-dec-vms ; exit ;; - esac ;; - *:XENIX:*:SysV) - echo i386-pc-xenix - exit ;; - i*86:skyos:*:*) - echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' - exit ;; - i*86:rdos:*:*) - echo ${UNAME_MACHINE}-pc-rdos - exit ;; -esac - -#echo '(No uname command or uname output not recognized.)' 1>&2 -#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 - -eval $set_cc_for_build -cat >$dummy.c < -# include -#endif -main () -{ -#if defined (sony) -#if defined (MIPSEB) - /* BFD wants "bsd" instead of "newsos". 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See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA -# 02110-1301, USA. -# -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - - -# Please send patches to . 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"$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" - echo " " >> "$depfile" - . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -none) - exec "$@" - ;; - -*) - echo "Unknown depmode $depmode" 1>&2 - exit 1 - ;; -esac - -exit 0 - -# Local Variables: -# mode: shell-script -# sh-indentation: 2 -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" -# End: diff --git a/vendor/gc/libatomic_ops-1.2/doc/COPYING b/vendor/gc/libatomic_ops-1.2/doc/COPYING deleted file mode 100644 index d60c31a..0000000 --- a/vendor/gc/libatomic_ops-1.2/doc/COPYING +++ /dev/null @@ -1,340 +0,0 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1989, 1991 Free Software Foundation, Inc. - 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. 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See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - -Also add information on how to contact you by electronic and paper mail. - -If the program is interactive, make it output a short notice like this -when it starts in an interactive mode: - - Gnomovision version 69, Copyright (C) year name of author - Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. - This is free software, and you are welcome to redistribute it - under certain conditions; type `show c' for details. - -The hypothetical commands `show w' and `show c' should show the appropriate -parts of the General Public License. Of course, the commands you use may -be called something other than `show w' and `show c'; they could even be -mouse-clicks or menu items--whatever suits your program. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a "copyright disclaimer" for the program, if -necessary. Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the program - `Gnomovision' (which makes passes at compilers) written by James Hacker. - - , 1 April 1989 - Ty Coon, President of Vice - -This General Public License does not permit incorporating your program into -proprietary programs. If your program is a subroutine library, you may -consider it more useful to permit linking proprietary applications with the -library. If this is what you want to do, use the GNU Library General -Public License instead of this License. diff --git a/vendor/gc/libatomic_ops-1.2/doc/CVS/Entries b/vendor/gc/libatomic_ops-1.2/doc/CVS/Entries deleted file mode 100644 index 9d31b42..0000000 --- a/vendor/gc/libatomic_ops-1.2/doc/CVS/Entries +++ /dev/null @@ -1,9 +0,0 @@ -/COPYING/1.1/Tue Jul 11 22:55:09 2006// -/LICENSING.txt/1.1/Tue Jul 11 22:55:09 2006// -/Makefile.am/1.1/Tue Jul 11 22:55:09 2006// -/Makefile.in/1.1/Tue Jul 11 22:55:09 2006// -/README_malloc.txt/1.1/Tue Jul 11 22:55:09 2006// -/README_stack.txt/1.1/Tue Jul 11 22:55:09 2006// -/README_win32.txt/1.1/Tue Jul 11 22:55:09 2006// -/README.txt/1.3/Fri Jan 4 00:15:10 2008// -D diff --git a/vendor/gc/libatomic_ops-1.2/doc/CVS/Repository b/vendor/gc/libatomic_ops-1.2/doc/CVS/Repository deleted file mode 100644 index 67925f2..0000000 --- a/vendor/gc/libatomic_ops-1.2/doc/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2/doc diff --git a/vendor/gc/libatomic_ops-1.2/doc/CVS/Root b/vendor/gc/libatomic_ops-1.2/doc/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/doc/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/doc/LICENSING.txt b/vendor/gc/libatomic_ops-1.2/doc/LICENSING.txt deleted file mode 100644 index 1ae0e93..0000000 --- a/vendor/gc/libatomic_ops-1.2/doc/LICENSING.txt +++ /dev/null @@ -1,64 +0,0 @@ -Our intent is to make it easy to use libatomic_ops, in -both free and proprietary software. Hence most code that we expect to be -linked into a client application is covered by an MIT-style license. - -A few library routines are covered by the GNU General Public License. -These are put into a separate library, libatomic_ops_gpl.a . - -The low-level part of the library is mostly covered by the following -license: - ----------------------------------------- - -Copyright (c) ... - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. - --------------------------------- - -A few files in the sysdeps directory were inherited in part from the -Boehm-Demers-Weiser conservative garbage collector, and are covered by -its license, which is similar in spirit: - --------------------------------- - -Copyright (c) ... - -THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - -Permission is hereby granted to use or copy this program -for any purpose, provided the above notices are retained on all copies. -Permission to modify the code and to distribute modified code is granted, -provided the above notices are retained, and a notice that the code was -modified is included with the above copyright notice. - ----------------------------------- - -A few files are covered by the GNU General Public License. (See file -"COPYING".) This applies only to test code, sample applications, -and the libatomic_ops_gpl portion of the library. -Thus libatomic_ops_gpl should generally not be linked into proprietary code. -(This distinction was motivated by patent considerations.) - -It is possible that the license of the GPL pieces may be changed for -future versions to make them more consistent with the rest of the package. -If you submit patches, and have strong preferences about licensing, please -express them. - diff --git a/vendor/gc/libatomic_ops-1.2/doc/Makefile.am b/vendor/gc/libatomic_ops-1.2/doc/Makefile.am deleted file mode 100644 index ce212d0..0000000 --- a/vendor/gc/libatomic_ops-1.2/doc/Makefile.am +++ /dev/null @@ -1,3 +0,0 @@ -# installed documentation -# -dist_pkgdata_DATA=COPYING LICENSING.txt README.txt COPYING README_stack.txt README_malloc.txt README_win32.txt diff --git a/vendor/gc/libatomic_ops-1.2/doc/Makefile.in b/vendor/gc/libatomic_ops-1.2/doc/Makefile.in deleted file mode 100644 index f0eb954..0000000 --- a/vendor/gc/libatomic_ops-1.2/doc/Makefile.in +++ /dev/null @@ -1,329 +0,0 @@ -# Makefile.in generated by automake 1.9.3 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004 Free Software Foundation, Inc. -# This Makefile.in is free software; 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It will work on a uniprocessor, -but the tests are much more likely to pass in the presence of serious problems. - -1) Type ./configure --prefix=; make; make check -in the directory containing unpacked source. The usual GNU build machinery -is used, except that only static, but position-independent, libraries -are normally built. On Windows, read README_win32.txt instead. - -2) Applications should include atomic_ops.h. Nearly all operations -are implemented by header files included from it. It is sometimes -necessary, and always recommended to also link against libatomic_ops.a. -To use the almost non-blocking stack or malloc implementations, -see the corresponding README files, and also link against libatomic_gpl.a -before linking against libatomic_ops.a. - -OVERVIEW: -Atomic_ops.h defines a large collection of operations, each one of which is -a combination of an (optional) atomic memory operation, and a memory barrier. -Also defines associated feature-test macros to determine whether a particular -operation is available on the current target hardware (either directly or -by synthesis). This is an attempt to replace various existing files with -similar goals, since they usually do not handle differences in memory -barrier styles with sufficient generality. - -If this is included after defining AO_REQUIRE_CAS, then the package -will make an attempt to emulate compare-and-swap in a way that (at least -on Linux) should still be async-signal-safe. As a result, most other -atomic operations will then be defined using the compare-and-swap -emulation. This emulation is slow, since it needs to disable signals. -And it needs to block in case of contention. If you care about performance -on a platform that can't directly provide compare-and-swap, there are -probably better alternatives. But this allows easy ports to some such -platforms (e.g. PA_RISC). The option is ignored if compare-and-swap -can be implemented directly. - -If atomic_ops.h is included after defining AO_USE_PTHREAD_DEFS, then all -atomic operations will be emulated with pthread locking. This is NOT -async-signal-safe. And it is slow. It is intended primarily for debugging -of the atomic_ops package itself. - -Note that the implementation reflects our understanding of real processor -behavior. This occasionally diverges from the documented behavior. (E.g. -the documented X86 behavior seems to be weak enough that it is impractical -to use. Current real implementations appear to be much better behaved.) -We of course are in no position to guarantee that future processors -(even HPs) will continue to behave this way, though we hope they will. - -This is a work in progress. Corrections/additions for other platforms are -greatly appreciated. It passes rudimentary tests on X86, Itanium, and -Alpha. - -OPERATIONS: - -Most operations operate on values of type AO_t, which are unsigned integers -whose size matches that of pointers on the given architecture. Exceptions -are: - -- AO_test_and_set operates on AO_TS_t, which is whatever size the hardware -supports with good performance. In some cases this is the length of a cache -line. In some cases it is a byte. In many cases it is equivalent to AO_t. - -- A few operations are implemented on smaller or larger size integers. -Such operations are indicated by the appropriate prefix: - -AO_char_... Operates on unsigned char values. -AO_short_... Operates on unsigned short values. -AO_int_... Operates on unsigned int values. - -(Currently a very limited selection of these is implemented. We're -working on it.) - -The defined operations are all of the form AO_[_](). - -The component specifies an atomic memory operation. It may be -one of the following, where the corresponding argument and result types -are also specified: - -void nop() - No atomic operation. The barrier may still be useful. -AO_t load(volatile AO_t * addr) - Atomic load of *addr. -void store(volatile AO_t * addr, AO_t new_val) - Atomically store new_val to *addr. -AO_t fetch_and_add(volatile AO_t *addr, AO_t incr) - Atomically add incr to *addr, and return the original value of *addr. -AO_t fetch_and_add1(volatile AO_t *addr) - Equivalent to AO_fetch_and_add(addr, 1). -AO_t fetch_and_sub1(volatile AO_t *addr) - Equivalent to AO_fetch_and_add(addr, (AO_t)(-1)). -void or(volatile AO_t *addr, AO_t incr) - Atomically or incr into *addr. -int compare_and_swap(volatile AO_t * addr, AO_t old_val, AO_t new_val) - Atomically compare *addr to old_val, and replace *addr by new_val - if the first comparison succeeds. Returns nonzero if the comparison - succeeded and *addr was updated. -AO_TS_VAL_t test_and_set(volatile AO_TS_t * addr) - Atomically read the binary value at *addr, and set it. AO_TS_VAL_t - is an enumeration type which includes the two values AO_TS_SET and - and AO_TS_CLEAR. An AO_TS_t location is capable of holding an - AO_TS_VAL_t, but may be much larger, as dictated by hardware - constraints. Test_and_set logically sets the value to AO_TS_SET. - It may be reset to AO_TS_CLEAR with the AO_CLEAR(AO_TS_t *) macro. - AO_TS_t locations should be initialized to AO_TS_INITIALIZER. - The values of AO_TS_SET and AO_TS_CLEAR are hardware dependent. - (On PA-RISC, AO_TS_SET is zero!) - -Test_and_set is a more limited version of compare_and_swap. Its only -advantage is that it is more easily implementable on some hardware. It -should thus be used if only binary test-and-set functionality is needed. - -If available, we also provide compare_and_swap operations that operate -on wider values. Since standard data types for double width values -may not be available, these explicitly take pairs of arguments for the -new and/or old value. Unfortunately, there are two common variants, -neither of which can easily and efficiently emulate the other. -The first performs a comparison against the entire value being replaced, -where the second replaces a double-width replacement, but performs -a single-width comparison: - -int compare_double_and_swap_double(volatile AO_double_t * addr, - AO_t old_val1, AO_t old_val2, - AO_t new_val1, AO_t new_val2); - -int compare_and_swap_double(volatile AO_double_t * addr, - AO_t old_val1, - AO_t new_val1, AO_t new_val2); - -where AO_double_t is a structure containing AO_val1 and AO_val2 fields, -both of type AO_t. For compare_and_swap_double, we compare against -the val1 field. AO_double_t exists only if AO_HAVE_double_t -is defined. - -ORDERING CONSTRAINTS: - -Each operation name also includes a suffix that specifies the associated -ordering semantics. The ordering constraint limits reordering of this -operation with repsect to other atomic operations and ordinary memory -references. The current implementation assumes that all memory references -are to ordinary cacheable memory; the ordering guarantee is with respect -to other threads or processes, not I/O devices. (Whether or not this -distinction is important is platform-dependent.) - -Ordering suffixes are one of the following: - -: No memory barrier. A plain AO_nop() really does nothing. -_release: Earlier operations must become visible to other threads - before the atomic operation. -_acquire: Later operations must become visible after this operation. -_read: Subsequent reads must become visible after reads included in - the atomic operation or preceding it. Rarely useful for clients? -_write: Earlier writes become visible before writes during or after - the atomic operation. Rarely useful for clients? -_full: Ordered with respect to both earlier and later memops. - AO_store_full or AO_nop_full are the normal ways to force a store - to be ordered with respect to a later load. -_release_write: Ordered with respect to earlier writes. This is - normally implemented as either a _write or _release - barrier. -_dd_acquire_read: Ordered with respect to later reads that are data - dependent on this one. This is needed on - a pointer read, which is later dereferenced to read a - second value, with the expectation that the second - read is ordered after the first one. On most architectures, - this is equivalent to no barrier. (This is very - hard to define precisely. It should probably be avoided. - A major problem is that optimizers tend to try to - eliminate dependencies from the generated code, since - dependencies force the hardware to execute the code - serially.) -_release_read: Ordered with respect to earlier reads. Useful for - implementing read locks. Can be implemented as _release, - but not as _read, since _read groups the current operation - with the earlier ones. - -We assume that if a store is data-dependent on an a previous load, then -the two are always implicitly ordered. - -It is possible to test whether AO_ is available on the -current platform by checking whether AO_HAVE__ is defined -as a macro. - -Note that we generally don't implement operations that are either -meaningless (e.g. AO_nop_acquire, AO_nop_release) or which appear to -have no clear use (e.g. AO_load_release, AO_store_acquire, AO_load_write, -AO_store_read). On some platforms (e.g. PA-RISC) many operations -will remain undefined unless AO_REQUIRE_CAS is defined before including -the package. - -When typed in the package build directory, the following command -will print operations that are unimplemented on the platform: - -make test_atomic; ./test_atomic - -The following command generates a file "list_atomic.i" containing the -macro expansions of all implemented operations on the platform: - -make list_atomic.i - -Future directions: - -It currently appears that something roughly analogous to this is very likely -to become part of the C++0x standard. That effort has pointed out a number -of issues that we expect to address there. Since some of the solutions -really require compiler support, they may not be completely addressed here. - -Known issues include: - -We should be more precise in defining the semantics of the ordering -constraints, and if and how we can guarantee sequential consistency. - -Dd_acquire_read is very hard or impossible to define in a way that cannot -be invalidated by reasonably standard compiler transformations. - -There is probably no good reason to provide operations on standard -integer types, since those may have the wrong alignment constraints. - - -Example: - -If you want to initialize an object, and then "publish" a pointer to it -in a global location p, such that other threads reading the new value of -p are guaranteed to see an initialized object, it suffices to use -AO_release_write(p, ...) to write the pointer to the object, and to -retrieve it in other threads with AO_acquire_read(p). - -Platform notes: - -All X86: We quietly assume 486 or better. - -Windows: -Currently AO_REQUIRE_CAS is not supported. - -Microsoft compilers: -Define AO_ASSUME_WINDOWS98 to get access to hardware compare-and-swap -functionality. This relies on the InterlockedCompareExchange() function -which was apparently not supported in Windows95. (There may be a better -way to get access to this.) Currently only X86(32 bit) is supported for -Windows. - -Gcc on x86: -Define AO_USE_PENTIUM4_INSTRS to use the Pentium 4 mfence instruction. -Currently this is appears to be of marginal benefit. diff --git a/vendor/gc/libatomic_ops-1.2/doc/README_malloc.txt b/vendor/gc/libatomic_ops-1.2/doc/README_malloc.txt deleted file mode 100644 index 680b3e2..0000000 --- a/vendor/gc/libatomic_ops-1.2/doc/README_malloc.txt +++ /dev/null @@ -1,57 +0,0 @@ -The libatomic_ops_gpl includes a simple almost-lock-free malloc implementation. - -This is intended as a safe way to allocate memory from a signal handler, -or to allocate memory in the context of a library that does not know what -thread library it will be used with. In either case locking is impossible. - -Note that the operations are only guaranteed to be 1-lock-free, i.e. a -single blocked thread will not prevent progress, but multiple blocked -threads may. To safely use these operations in a signal handler, -the handler should be non-reentrant, i.e. it should not be interruptable -by another handler using these operations. Furthermore use outside -of signal handlers in a multithreaded application should be protected -by a lock, so that at most one invocation may be interrupted by a signal. -The header will define the macro "AO_MALLOC_IS_LOCK_FREE" on platforms -on which malloc is completely lock-free, and hence these restrictions -do not apply. - -In the presence of threads, but absence of contention, the time performance -of this package should be as good, or slightly better than, most system -malloc implementations. Its space performance -is theoretically optimal (to within a constant factor), but probably -quite poor in practice. In particular, no attempt is made to -coalesce free small memory blocks. Something like Doug Lea's malloc is -likely to use significantly less memory for complex applications. - -Perfomance on platforms without an efficient compare-and-swap implementation -will be poor. - -This package was not designed for processor-scalability in the face of -high allocation rates. If all threads happen to allocate different-sized -objects, you might get lucky. Otherwise expect contention and false-sharing -problems. If this is an issue, something like Maged Michael's algorithm -(PLDI 2004) would be technically a far better choice. If you are concerned -only with scalablity, and not signal-safety, you might also consider -using Hoard instead. We have seen a factor of 3 to 4 slowdown from the -standard glibc malloc implementation with contention, even when the -performance without contention was faster. (To make the implementation -more scalable, one would need to replicate at least the free list headers, -so that concurrent access is possible without cache conflicts.) - -Unfortunately there is no portable async-signal-safe way to obtain large -chunks of memory from the OS. Based on reading of the source code, -mmap-based allocation appears safe under Linux, and probably BSD variants. -It is probably unsafe for operating systems built on Mach, such as -Apple's Darwin. Without use of mmap, the allocator is -limited to a fixed size, statically preallocated heap (2MB by default), -and will fail to allocate objects above a certain size (just under 64K -by default). Use of mmap to circumvent these limitations requires an -explicit call. - -The entire interface to the AO_malloc package currently consists of: - -#include /* includes atomic_ops.h */ - -void *AO_malloc(size_t sz); -void AO_free(void *p); -void AO_malloc_enable_mmap(void); diff --git a/vendor/gc/libatomic_ops-1.2/doc/README_stack.txt b/vendor/gc/libatomic_ops-1.2/doc/README_stack.txt deleted file mode 100644 index 98ff87c..0000000 --- a/vendor/gc/libatomic_ops-1.2/doc/README_stack.txt +++ /dev/null @@ -1,78 +0,0 @@ -Note that the AO_stack implementation is licensed under the GPL, -unlike the lower level routines. - -The header file atomic_ops_stack.h defines a linked stack abstraction. -Stacks may be accessed by multiple concurrent threads. The implementation -is 1-lock-free, i.e. it will continue to make progress if at most one -thread becomes inactive while operating on the data structure. - -(The implementation can be built to be N-lock-free for any given N. But that -seems to rarely be useful, especially since larger N involve some slowdown.) - -This makes it safe to access these data structures from non-reentrant -signal handlers, provided at most one non-signal-handler thread is -accessing the data structure at once. This latter condition can be -ensured by acquiring an ordinary lock around the non-hndler accesses -to the data structure. - -For details see: - -Hans-J. Boehm, "An Almost Non-Blocking Stack", PODC 2004, -http://portal.acm.org/citation.cfm?doid=1011767.1011774, or -http://www.hpl.hp.com/techreports/2004/HPL-2004-105.html -(This is not exactly the implementation described there, since the -interface was cleaned up in the interim. But it should perform -very similarly.) - -We use a fully lock-free implementation when the underlying hardware -makes that less expensive, i.e. when we have a double-wide compare-and-swap -operation available. (The fully lock-free implementation uses an AO_t- -sized version count, and assumes it does not wrap during the time any -given operation is active. This seems reasonably safe on 32-bit hardware, -and very safe on 64-bit hardware.) If a fully lock-free implementation -is used, the macro AO_STACK_IS_LOCK_FREE will be defined. - -The implementation is interesting only because it allows reuse of -existing nodes. This is necessary, for example, to implement a memory -allocator. - -Since we want to leave the precise stack node type up to the client, -we insist only that each stack node contains a link field of type AO_t. -When a new node is pushed on the stack, the push operation expects to be -passed the pointer to this link field, which will then be overwritten by -this link field. Similarly, the pop operation returns a pointer to the -link field of the object that previously was on the top of the stack. - -The cleanest way to use these routines is probably to define the stack node -type with an initial AO_t link field, so that the conversion between the -link-field pointer and the stack element pointer is just a compile-time -cast. But other possibilities exist. (This would be cleaner in C++ with -templates.) - -A stack is represented by an AO_stack_t structure. (This is normally -2 or 3 times the size of a pointer.) It may be statically initialized -by setting it to AO_STACK_INITIALIZER, or dynamically initialized to -an empty stack with AO_stack_init. There are only three operations for -accessing stacks: - -void AO_stack_init(AO_stack_t *list); -void AO_stack_push_release(AO_stack_t *list, AO_t *new_element); -AO_t * AO_stack_pop_acquire(volatile AO_stack_t *list); - -We require that the objects pushed as list elements remain addressable -as long as any push or pop operation are in progress. (It is OK for an object -to be "pop"ped off a stack and "deallocated" with a concurrent "pop" on -the same stack still in progress, but only if "deallocation" leaves the -object addressable. The second "pop" may still read the object, but -the value it reads will not matter.) - -We require that the headers (AO_stack objects) remain allocated and -valid as long as any operations on them are still in-flight. - -We also provide macros AO_REAL_HEAD_PTR that converts an AO_stack_t -to a pointer to the link field in the next element, and AO_REAL_NEXT_PTR -that converts a link field to a real, dereferencable, pointer to the link field -in the next element. This is intended only for debugging, or to traverse -the list after modification has ceased. There is otherwise no guarantee that -walking a stack using this macro will produce any kind of consistent -picture of the data structure. diff --git a/vendor/gc/libatomic_ops-1.2/doc/README_win32.txt b/vendor/gc/libatomic_ops-1.2/doc/README_win32.txt deleted file mode 100644 index 0fe6f88..0000000 --- a/vendor/gc/libatomic_ops-1.2/doc/README_win32.txt +++ /dev/null @@ -1,28 +0,0 @@ -Most of the atomic_ops functionality is available under Win32 with -the Microsoft tools, but the build process currently is considerably more -primitive than on Linux/Unix platforms. - -To build: - -1) Go to the src directory in the distribution. -2) Make sure the Microsoft command-line tools (e.g. nmake) are available. -3) Run "nmake -f Makefile.msft". This should run some tests, which -may print warnings about the types of the "Interlocked" functions. -I haven't been able to make all versions of VC++ happy. If you know -how to, please send a patch. -4) To compile applications, you will need to retain or copy the following -pieces from the resulting src directory contents: - "atomic_ops.h" - Header file defining low-level primitives. This - includes files from: - "atomic_ops"- Subdirectory containing implementation header files. - "atomic_ops_stack.h" - Header file describing almost lock-free stack. - "atomic_ops_malloc.h" - Header file describing almost lock-free malloc. - "libatomic_ops_gpl.lib" - Library containing implementation of the - above two. The atomic_ops.h implementation - is entirely in the header files in Win32. - -Most clients of atomic_ops.h will need to define AO_ASSUME_WINDOWS98 before -including it. Compare_and_swap is otherwise not available. - -Note that the library is covered by the GNU General Public License, while -the top 2 of these pieces allow use in proprietary code. diff --git a/vendor/gc/libatomic_ops-1.2/install-sh b/vendor/gc/libatomic_ops-1.2/install-sh deleted file mode 100755 index 4d4a951..0000000 --- a/vendor/gc/libatomic_ops-1.2/install-sh +++ /dev/null @@ -1,323 +0,0 @@ -#!/bin/sh -# install - install a program, script, or datafile - -scriptversion=2005-05-14.22 - -# This originates from X11R5 (mit/util/scripts/install.sh), which was -# later released in X11R6 (xc/config/util/install.sh) with the -# following copyright and license. -# -# Copyright (C) 1994 X Consortium -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to -# deal in the Software without restriction, including without limitation the -# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -# sell copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- -# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -# -# Except as contained in this notice, the name of the X Consortium shall not -# be used in advertising or otherwise to promote the sale, use or other deal- -# ings in this Software without prior written authorization from the X Consor- -# tium. -# -# -# FSF changes to this file are in the public domain. -# -# Calling this script install-sh is preferred over install.sh, to prevent -# `make' implicit rules from creating a file called install from it -# when there is no Makefile. -# -# This script is compatible with the BSD install script, but was written -# from scratch. 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Note that atomic_ops.c isn't useful. -# And we rely on a pre-built test_atomic_include.h and generalize-small.h, -# since we can't rely on sed. -# Win32 clients only need to include the header files. -# To install, copy atomic_ops.h and the atomic_ops/... tree to your favorite -# include directory. - -#MY_CPU=X86 -#CPU=$(MY_CPU) -#!include - -LIB_OBJS=atomic_ops_stack.obj atomic_ops_malloc.obj - -all: check - -atomic_ops_stack.obj: - cl -O2 -c -DAO_ASSUME_WINDOWS98 atomic_ops_stack.c - -atomic_ops_malloc.obj: - cl -O2 -c -DAO_ASSUME_WINDOWS98 atomic_ops_malloc.c - -test_atomic: ..\tests\test_atomic.c ..\tests\test_atomic_include.h - cl -O2 -I. -DAO_ASSUME_WINDOWS98 ..\tests\test_atomic.c -o test_atomic - -test_atomic_w95: ..\tests\test_atomic.c ..\tests\test_atomic_include.h - cl -O2 -I. ..\tests\test_atomic.c -o test_atomic_w95 - -test_malloc: ..\tests\test_malloc.c ..\tests\test_atomic_include.h \ - libatomic_ops_gpl.lib - cl -O2 -DAO_ASSUME_WINDOWS98 -I. ..\tests\test_malloc.c -o test_malloc libatomic_ops_gpl.lib - -libatomic_ops_gpl.lib: $(LIB_OBJS) - lib /MACHINE:i386 /out:libatomic_ops_gpl.lib $(LIB_OBJS) - -check: test_atomic test_atomic_w95 test_malloc - echo The following will print lots of \"Missing ...\" messages. - test_atomic_w95 - echo The following will print some \"Missing ...\" messages. - test_atomic - test_malloc - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops.c b/vendor/gc/libatomic_ops-1.2/src/atomic_ops.c deleted file mode 100644 index f01b8d2..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Initialized data and out-of-line functions to support atomic_ops.h - * go here. Currently this is needed only for pthread-based atomics - * emulation, or for compare-and-swap emulation. - * Pthreads emulation isn't useful on a native Windows platform, and - * cas emulation is not needed. Thus we skip this on Windows. - */ - -#if defined(HAVE_CONFIG_H) -# include "config.h" -#endif - -#if !defined(_MSC_VER) && !defined(__MINGW32__) && !defined(__BORLANDC__) - -#undef AO_REQUIRE_CAS - -#include -#include -#ifdef _HPUX_SOURCE -# include -#else -# include -#endif -#include "atomic_ops.h" /* Without cas emulation! */ - -#ifndef AO_HAVE_double_t -# include "atomic_ops/sysdeps/standard_ao_double_t.h" -#endif - -/* - * Lock for pthreads-based implementation. - */ - -pthread_mutex_t AO_pt_lock = PTHREAD_MUTEX_INITIALIZER; - -/* - * Out of line compare-and-swap emulation based on test and set. - * - * We use a small table of locks for different compare_and_swap locations. - * Before we update perform a compare-and-swap, we grap the corresponding - * lock. Different locations may hash to the same lock, but since we - * never acquire more than one lock at a time, this can't deadlock. - * We explicitly disable signals while we perform this operation. - * - * FIXME: We should probably also suppport emulation based on Lamport - * locks, since we may not have test_and_set either. - */ -#define AO_HASH_SIZE 16 - -#define AO_HASH(x) (((unsigned long)(x) >> 12) & (AO_HASH_SIZE-1)) - -AO_TS_t AO_locks[AO_HASH_SIZE] = { - AO_TS_INITIALIZER, AO_TS_INITIALIZER, - AO_TS_INITIALIZER, AO_TS_INITIALIZER, - AO_TS_INITIALIZER, AO_TS_INITIALIZER, - AO_TS_INITIALIZER, AO_TS_INITIALIZER, - AO_TS_INITIALIZER, AO_TS_INITIALIZER, - AO_TS_INITIALIZER, AO_TS_INITIALIZER, - AO_TS_INITIALIZER, AO_TS_INITIALIZER, - AO_TS_INITIALIZER, AO_TS_INITIALIZER, -}; - -static AO_T dummy = 1; - -/* Spin for 2**n units. */ -void AO_spin(int n) -{ - int i; - AO_T j = AO_load(&dummy); - - for (i = 0; i < (2 << n); ++i) - { - j *= 5; - j -= 4; - } - AO_store(&dummy, j); -} - -void AO_pause(int n) -{ - if (n < 12) - AO_spin(n); - else - { - struct timeval tv; - - /* Short async-signal-safe sleep. */ - tv.tv_sec = 0; - tv.tv_usec = (n > 28? 100000 : (1 << (n - 12))); - select(0, 0, 0, 0, &tv); - } -} - -static void lock_ool(volatile AO_TS_t *l) -{ - int i = 0; - - while (AO_test_and_set_acquire(l) == AO_TS_SET) - AO_pause(++i); -} - -AO_INLINE void lock(volatile AO_TS_t *l) -{ - if (AO_test_and_set_acquire(l) == AO_TS_SET) - lock_ool(l); -} - -AO_INLINE void unlock(volatile AO_TS_t *l) -{ - AO_CLEAR(l); -} - -static sigset_t all_sigs; - -static volatile AO_t initialized = 0; - -static volatile AO_TS_t init_lock = AO_TS_INITIALIZER; - -int AO_compare_and_swap_emulation(volatile AO_t *addr, AO_t old, - AO_t new_val) -{ - AO_TS_t *my_lock = AO_locks + AO_HASH(addr); - sigset_t old_sigs; - int result; - - if (!AO_load_acquire(&initialized)) - { - lock(&init_lock); - if (!initialized) sigfillset(&all_sigs); - unlock(&init_lock); - AO_store_release(&initialized, 1); - } - sigprocmask(SIG_BLOCK, &all_sigs, &old_sigs); - /* Neither sigprocmask nor pthread_sigmask is 100% */ - /* guaranteed to work here. Sigprocmask is not */ - /* guaranteed be thread safe, and pthread_sigmask */ - /* is not async-signal-safe. Under linuxthreads, */ - /* sigprocmask may block some pthreads-internal */ - /* signals. So long as we do that for short periods, */ - /* we should be OK. */ - lock(my_lock); - if (*addr == old) - { - *addr = new_val; - result = 1; - } - else - result = 0; - unlock(my_lock); - sigprocmask(SIG_SETMASK, &old_sigs, NULL); - return result; -} - -int AO_compare_double_and_swap_double_emulation(volatile AO_double_t *addr, - AO_t old_val1, AO_t old_val2, - AO_t new_val1, AO_t new_val2) -{ - AO_TS_t *my_lock = AO_locks + AO_HASH(addr); - sigset_t old_sigs; - int result; - - if (!AO_load_acquire(&initialized)) - { - lock(&init_lock); - if (!initialized) sigfillset(&all_sigs); - unlock(&init_lock); - AO_store_release(&initialized, 1); - } - sigprocmask(SIG_BLOCK, &all_sigs, &old_sigs); - /* Neither sigprocmask nor pthread_sigmask is 100% */ - /* guaranteed to work here. Sigprocmask is not */ - /* guaranteed be thread safe, and pthread_sigmask */ - /* is not async-signal-safe. Under linuxthreads, */ - /* sigprocmask may block some pthreads-internal */ - /* signals. So long as we do that for short periods, */ - /* we should be OK. */ - lock(my_lock); - if (addr -> AO_val1 == old_val1 && addr -> AO_val2 == old_val2) - { - addr -> AO_val1 = new_val1; - addr -> AO_val2 = new_val2; - result = 1; - } - else - result = 0; - unlock(my_lock); - sigprocmask(SIG_SETMASK, &old_sigs, NULL); - return result; -} - -void AO_store_full_emulation(volatile AO_t *addr, AO_t val) -{ - AO_TS_t *my_lock = AO_locks + AO_HASH(addr); - lock(my_lock); - *addr = val; - unlock(my_lock); -} - -#else /* Non-posix platform */ - -int AO_non_posix_implementation_is_entirely_in_headers; - -#endif diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops.h deleted file mode 100755 index e1b40ca..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops.h +++ /dev/null @@ -1,300 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#ifndef ATOMIC_OPS_H - -#define ATOMIC_OPS_H - -#include -#include - -/* We define various atomic operations on memory in a */ -/* machine-specific way. Unfortunately, this is complicated */ -/* by the fact that these may or may not be combined with */ -/* various memory barriers. Thus the actual operations we */ -/* define have the form AO__, for all */ -/* plausible combinations of and . */ -/* This of course results in a mild combinatorial explosion. */ -/* To deal with it, we try to generate derived */ -/* definitions for as many of the combinations as we can, as */ -/* automatically as possible. */ -/* */ -/* Our assumption throughout is that the programmer will */ -/* specify the least demanding operation and memory barrier */ -/* that will guarantee correctness for the implementation. */ -/* Our job is to find the least expensive way to implement it */ -/* on the applicable hardware. In many cases that will */ -/* involve, for example, a stronger memory barrier, or a */ -/* combination of hardware primitives. */ -/* */ -/* Conventions: */ -/* "plain" atomic operations are not guaranteed to include */ -/* a barrier. The suffix in the name specifies the barrier */ -/* type. Suffixes are: */ -/* _release: Earlier operations may not be delayed past it. */ -/* _acquire: Later operations may not move ahead of it. */ -/* _read: Subsequent reads must follow this operation and */ -/* preceding reads. */ -/* _write: Earlier writes precede both this operation and */ -/* later writes. */ -/* _full: Ordered with respect to both earlier and later memops.*/ -/* _release_write: Ordered with respect to earlier writes. */ -/* _acquire_read: Ordered with repsect to later reads. */ -/* */ -/* Currently we try to define the following atomic memory */ -/* operations, in combination with the above barriers: */ -/* AO_nop */ -/* AO_load */ -/* AO_store */ -/* AO_test_and_set (binary) */ -/* AO_fetch_and_add */ -/* AO_fetch_and_add1 */ -/* AO_fetch_and_sub1 */ -/* AO_or */ -/* AO_compare_and_swap */ -/* */ -/* Note that atomicity guarantees are valid only if both */ -/* readers and writers use AO_ operations to access the */ -/* shared value, while ordering constraints are intended to */ -/* apply all memory operations. If a location can potentially */ -/* be accessed simultaneously from multiple threads, and one of */ -/* those accesses may be a write access, then all such */ -/* accesses to that location should be through AO_ primitives. */ -/* However if AO_ operations enforce sufficient ordering to */ -/* ensure that a location x cannot be accessed concurrently, */ -/* or can only be read concurrently, then x can be accessed */ -/* via ordinary references and assignments. */ -/* */ -/* Compare_and_exchange takes an address and an expected old */ -/* value and a new value, and returns an int. Nonzero */ -/* indicates that it succeeded. */ -/* Test_and_set takes an address, atomically replaces it by */ -/* AO_TS_SET, and returns the prior value. */ -/* An AO_TS_t location can be reset with the */ -/* AO_CLEAR macro, which normally uses AO_store_release. */ -/* AO_fetch_and_add takes an address and an AO_t increment */ -/* value. The AO_fetch_and_add1 and AO_fetch_and_sub1 variants */ -/* are provided, since they allow faster implementations on */ -/* some hardware. AO_or atomically ors an AO_t value into a */ -/* memory location, but does not provide access to the original.*/ -/* */ -/* We expect this list to grow slowly over time. */ -/* */ -/* Note that AO_nop_full is a full memory barrier. */ -/* */ -/* Note that if some data is initialized with */ -/* data.x = ...; data.y = ...; ... */ -/* AO_store_release_write(&data_is_initialized, 1) */ -/* then data is guaranteed to be initialized after the test */ -/* if (AO_load_release_read(&data_is_initialized)) ... */ -/* succeeds. Furthermore, this should generate near-optimal */ -/* code on all common platforms. */ -/* */ -/* All operations operate on unsigned AO_t, which */ -/* is the natural word size, and usually unsigned long. */ -/* It is possible to check whether a particular operation op */ -/* is available on a particular platform by checking whether */ -/* AO_HAVE_op is defined. We make heavy use of these macros */ -/* internally. */ - -/* The rest of this file basically has three sections: */ -/* */ -/* Some utility and default definitions. */ -/* */ -/* The architecture dependent section: */ -/* This defines atomic operations that have direct hardware */ -/* support on a particular platform, mostly by uncluding the */ -/* appropriate compiler- and hardware-dependent file. */ -/* */ -/* The synthesis section: */ -/* This tries to define other atomic operations in terms of */ -/* those that are explicitly available on the platform. */ -/* This section is hardware independent. */ -/* We make no attempt to synthesize operations in ways that */ -/* effectively introduce locks, except for the debugging/demo */ -/* pthread-based implementation at the beginning. A more */ -/* relistic implementation that falls back to locks could be */ -/* added as a higher layer. But that would sacrifice */ -/* usability from signal handlers. */ -/* The synthesis section is implemented almost entirely in */ -/* atomic_ops_generalize.h. */ - -/* Some common defaults. Overridden for some architectures. */ -#define AO_t size_t - -/* The test_and_set primitive returns an AO_TS_VAL_t value. */ -/* AO_TS_t is the type of an in-memory test-and-set location. */ - -#define AO_TS_INITIALIZER (AO_t)AO_TS_CLEAR - -/* Platform-dependent stuff: */ -#if defined(__GNUC__) || defined(_MSC_VER) || defined(__INTEL_COMPILER) -# define AO_INLINE static __inline -#else -# define AO_INLINE static -#endif - -#if defined(__GNUC__) && !defined(__INTEL_COMPILER) -# define AO_compiler_barrier() __asm__ __volatile__("" : : : "memory") -#elif defined(_MSC_VER) -# if defined(_AMD64_) -# pragma intrinsic(_ReadWriteBarrier) -# define AO_compiler_barrier() _ReadWriteBarrier() - /* We assume this does not generate a fence instruction. */ - /* The documentation is a bit unclear. */ -# else -# define AO_compiler_barrier() __asm { } - /* The preceding implementation may be preferable here too. */ - /* But the documentation warns about VC++ 2003 and earlier. */ -# endif -#elif defined(__INTEL_COMPILER) -# define AO_compiler_barrier() __memory_barrier() /* Too strong? IA64-only? */ -#elif defined(_HPUX_SOURCE) -# if defined(__ia64) -# include -# define AO_compiler_barrier() _Asm_sched_fence() -# else - /* FIXME - We dont know how to do this. This is a guess. */ - /* And probably a bad one. */ - static volatile int AO_barrier_dummy; -# define AO_compiler_barrier() AO_barrier_dummy = AO_barrier_dummy -# endif -#else - /* We conjecture that the following usually gives us the right */ - /* semantics or an error. */ -# define AO_compiler_barrier() asm("") -#endif - -#if defined(AO_USE_PTHREAD_DEFS) -# include "atomic_ops/sysdeps/generic_pthread.h" -#endif /* AO_USE_PTHREAD_DEFS */ - -#if defined(__GNUC__) && !defined(AO_USE_PTHREAD_DEFS) \ - && !defined(__INTEL_COMPILER) -# if defined(__i386__) -# include "atomic_ops/sysdeps/gcc/x86.h" -# endif /* __i386__ */ -# if defined(__x86_64__) -# include "atomic_ops/sysdeps/gcc/x86_64.h" -# endif /* __i386__ */ -# if defined(__ia64__) -# include "atomic_ops/sysdeps/gcc/ia64.h" -# define AO_GENERALIZE_TWICE -# endif /* __ia64__ */ -# if defined(__hppa__) -# include "atomic_ops/sysdeps/gcc/hppa.h" -# define AO_CAN_EMUL_CAS -# endif /* __hppa__ */ -# if defined(__alpha__) -# include "atomic_ops/sysdeps/gcc/alpha.h" -# define AO_GENERALIZE_TWICE -# endif /* __alpha__ */ -# if defined(__s390__) -# include "atomic_ops/sysdeps/gcc/s390.h" -# endif /* __s390__ */ -# if defined(__sparc__) -# include "atomic_ops/sysdeps/gcc/sparc.h" -# define AO_CAN_EMUL_CAS -# endif /* __sparc__ */ -# if defined(__m68k__) -# include "atomic_ops/sysdeps/gcc/m68k.h" -# endif /* __m68k__ */ -# if defined(__powerpc__) || defined(__ppc__) || defined(__PPC__) \ - || defined(__powerpc64__) || defined(__ppc64__) -# include "atomic_ops/sysdeps/gcc/powerpc.h" -# endif /* __powerpc__ */ -# if defined(__arm__) && !defined(AO_USE_PTHREAD_DEFS) -# include "atomic_ops/sysdeps/gcc/arm.h" -# define AO_CAN_EMUL_CAS -# endif /* __arm__ */ -# if defined(__cris__) || defined(CRIS) -# include "atomic_ops/sysdeps/gcc/cris.h" -# endif -#endif /* __GNUC__ && !AO_USE_PTHREAD_DEFS */ - -#if defined(__INTEL_COMPILER) && !defined(AO_USE_PTHREAD_DEFS) -# if defined(__ia64__) -# include "atomic_ops/sysdeps/icc/ia64.h" -# define AO_GENERALIZE_TWICE -# endif -#endif - -#if defined(_HPUX_SOURCE) && !defined(__GNUC__) && !defined(AO_USE_PTHREAD_DEFS) -# if defined(__ia64) -# include "atomic_ops/sysdeps/hpc/ia64.h" -# define AO_GENERALIZE_TWICE -# else -# include "atomic_ops/sysdeps/hpc/hppa.h" -# define AO_CAN_EMUL_CAS -# endif -#endif - -#if !defined(__GNUC__) && (defined(sparc) || defined(__sparc)) \ - && !defined(AO_USE_PTHREAD_DEFS) -# include "atomic_ops/sysdeps/sunc/sparc.h" -# define AO_CAN_EMUL_CAS -#endif - -#if defined(_MSC_VER) -# if defined(_AMD64_) -# include "atomic_ops/sysdeps/msftc/x86_64.h" -# elif _M_IX86 >= 400 -# include "atomic_ops/sysdeps/msftc/x86.h" -# endif -#endif - -#if defined(AO_REQUIRE_CAS) && !defined(AO_HAVE_compare_and_swap) \ - && !defined(AO_HAVE_compare_and_swap_full) \ - && !defined(AO_HAVE_compare_and_swap_acquire) -# if defined(AO_CAN_EMUL_CAS) -# include "atomic_ops/sysdeps/emul_cas.h" -# else -# error Cannot implement AO_compare_and_swap_full on this architecture. -# endif -#endif /* AO_REQUIRE_CAS && !AO_HAVE_compare_and_swap ... */ - -/* The most common way to clear a test-and-set location */ -/* at the end of a critical section. */ -#if AO_AO_TS_T && !defined(AO_CLEAR) -# define AO_CLEAR(addr) AO_store_release((AO_TS_t *)addr, AO_TS_CLEAR) -#endif -#if AO_CHAR_TS_T && !defined(AO_CLEAR) -# define AO_CLEAR(addr) AO_char_store_release((AO_TS_t *)addr, AO_TS_CLEAR) -#endif - -/* - * The generalization section. - * Theoretically this should repeatedly include atomic_ops_generalize.h. - * In fact, we observe that this converges after a small fixed number - * of iterations, usually one. - */ -#include "atomic_ops/generalize.h" -#ifdef AO_GENERALIZE_TWICE -# include "atomic_ops/generalize.h" -#endif - -/* For compatibility with version 0.4 and earlier */ -#define AO_TS_T AO_TS_t -#define AO_T AO_t -#define AO_TS_VAL AO_TS_VAL_t - -#endif /* ATOMIC_OPS_H */ diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/CVS/Entries b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/CVS/Entries deleted file mode 100644 index cbdea51..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/CVS/Entries +++ /dev/null @@ -1,6 +0,0 @@ -D/sysdeps//// -/Makefile.am/1.1/Tue Jul 11 22:55:09 2006// -/Makefile.in/1.1/Tue Jul 11 22:55:09 2006// -/generalize-small.h/1.1/Tue Jul 11 22:55:09 2006// -/generalize-small.template/1.1/Tue Jul 11 22:55:09 2006// -/generalize.h/1.2/Fri Jan 4 01:40:11 2008// diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/CVS/Repository b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/CVS/Repository deleted file mode 100644 index f061ff8..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2/src/atomic_ops diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/CVS/Root b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/Makefile.am b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/Makefile.am deleted file mode 100644 index 8000273..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/Makefile.am +++ /dev/null @@ -1,12 +0,0 @@ -SUBDIRS=sysdeps - 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-dvi: dvi-recursive - -dvi-am: - -html: html-recursive - -info: info-recursive - -info-am: - -install-data-am: install-privateHEADERS - -install-exec-am: - -install-info: install-info-recursive - -install-man: - -installcheck-am: - -maintainer-clean: maintainer-clean-recursive - -rm -f Makefile -maintainer-clean-am: distclean-am maintainer-clean-generic - -mostlyclean: mostlyclean-recursive - -mostlyclean-am: mostlyclean-generic - -pdf: pdf-recursive - -pdf-am: - -ps: ps-recursive - -ps-am: - -uninstall-am: uninstall-info-am uninstall-privateHEADERS - -uninstall-info: uninstall-info-recursive - -.PHONY: $(RECURSIVE_TARGETS) CTAGS GTAGS all all-am check check-am \ - clean clean-generic clean-recursive ctags ctags-recursive \ - distclean distclean-generic distclean-recursive distclean-tags \ - distdir dvi dvi-am html html-am info info-am install \ - install-am install-data install-data-am install-exec \ - install-exec-am install-info install-info-am install-man \ - install-privateHEADERS install-strip installcheck \ - installcheck-am installdirs installdirs-am maintainer-clean \ - maintainer-clean-generic maintainer-clean-recursive \ - mostlyclean mostlyclean-generic mostlyclean-recursive pdf \ - pdf-am ps ps-am tags tags-recursive uninstall uninstall-am \ - uninstall-info-am uninstall-privateHEADERS - - -generalize-small.h: generalize-small.template - sed -e s:XSIZE:char:g -e s:XCTYPE:char:g $? > $@ - sed -e s:XSIZE:short:g -e s:XCTYPE:short:g $? >> $@ - sed -e s:XSIZE:int:g -e s:XCTYPE:int:g $? >> $@ -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/generalize-small.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/generalize-small.h deleted file mode 100644 index 4e45a0d..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/generalize-small.h +++ /dev/null @@ -1,1725 +0,0 @@ -/* char_load */ -#if defined(AO_HAVE_char_load_acquire) && !defined(AO_HAVE_char_load) -# define AO_char_load(addr) AO_char_load_acquire(addr) -# define AO_HAVE_char_load -#endif - -#if defined(AO_HAVE_char_load_full) && !defined(AO_HAVE_char_load_acquire) -# define AO_char_load_acquire(addr) AO_char_load_full(addr) -# define AO_HAVE_char_load_acquire -#endif - -#if defined(AO_HAVE_char_load_full) && !defined(AO_HAVE_char_load_read) -# define AO_char_load_read(addr) AO_char_load_full(addr) -# define AO_HAVE_char_load_read -#endif - -#if !defined(AO_HAVE_char_load_acquire_read) && defined(AO_HAVE_char_load_acquire) -# define AO_char_load_acquire_read(addr) AO_char_load_acquire(addr) -# define AO_HAVE_char_load_acquire_read -#endif - -#if defined(AO_HAVE_char_load) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_char_load_acquire) - AO_INLINE unsigned char - AO_char_load_acquire(volatile unsigned char *addr) - { - unsigned char result = AO_char_load(addr); - /* Acquire barrier would be useless, since the load could be delayed */ - /* beyond it. */ - AO_nop_full(); - return result; - } -# define AO_HAVE_char_load_acquire -#endif - -#if defined(AO_HAVE_char_load) && defined(AO_HAVE_nop_read) && \ - !defined(AO_HAVE_char_load_read) - AO_INLINE unsigned char - AO_char_load_read(volatile unsigned char *addr) - { - unsigned char result = AO_char_load(addr); - /* Acquire barrier would be useless, since the load could be delayed */ - /* beyond it. */ - AO_nop_read(); - return result; - } -# define AO_HAVE_char_load_read -#endif - -#if defined(AO_HAVE_char_load_acquire) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_char_load_full) -# define AO_char_load_full(addr) (AO_nop_full(), AO_char_load_acquire(addr)) -# define AO_HAVE_char_load_full -#endif - -#if !defined(AO_HAVE_char_load_acquire_read) && defined(AO_HAVE_char_load_read) -# define AO_char_load_acquire_read(addr) AO_char_load_read(addr) -# define AO_HAVE_char_load_acquire_read -#endif - -#if defined(AO_HAVE_char_load_acquire_read) && !defined(AO_HAVE_char_load) -# define AO_char_load(addr) AO_char_load_acquire_read(addr) -# define AO_HAVE_char_load -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_char_load_acquire_read) -# define AO_char_load_dd_acquire_read(addr) \ - AO_char_load_acquire_read(addr) -# define AO_HAVE_char_load_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_char_load) -# define AO_char_load_dd_acquire_read(addr) \ - AO_char_load(addr) -# define AO_HAVE_char_load_dd_acquire_read -# endif -#endif - - -/* char_store */ - -#if defined(AO_HAVE_char_store_release) && !defined(AO_HAVE_char_store) -# define AO_char_store(addr, val) AO_char_store_release(addr,val) -# define AO_HAVE_char_store -#endif - -#if defined(AO_HAVE_char_store_full) && !defined(AO_HAVE_char_store_release) -# define AO_char_store_release(addr,val) AO_char_store_full(addr,val) -# define AO_HAVE_char_store_release -#endif - -#if defined(AO_HAVE_char_store_full) && !defined(AO_HAVE_char_store_write) -# define AO_char_store_write(addr,val) AO_char_store_full(addr,val) -# define AO_HAVE_char_store_write -#endif - -#if defined(AO_HAVE_char_store_release) && \ - !defined(AO_HAVE_char_store_release_write) -# define AO_char_store_release_write(addr, val) \ - AO_char_store_release(addr,val) -# define AO_HAVE_char_store_release_write -#endif - -#if defined(AO_HAVE_char_store_write) && !defined(AO_HAVE_char_store) -# define AO_char_store(addr, val) AO_char_store_write(addr,val) -# define AO_HAVE_char_store -#endif - -#if defined(AO_HAVE_char_store) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_char_store_release) -# define AO_char_store_release(addr,val) \ - (AO_nop_full(), AO_char_store(addr,val)) -# define AO_HAVE_char_store_release -#endif - -#if defined(AO_HAVE_nop_write) && defined(AO_HAVE_char_store) && \ - !defined(AO_HAVE_char_store_write) -# define AO_char_store_write(addr, val) \ - (AO_nop_write(), AO_char_store(addr,val)) -# define AO_HAVE_char_store_write -#endif - -#if defined(AO_HAVE_char_store_write) && \ - !defined(AO_HAVE_char_store_release_write) -# define AO_char_store_release_write(addr, val) AO_char_store_write(addr,val) -# define AO_HAVE_char_store_release_write -#endif - -#if defined(AO_HAVE_char_store_release) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_char_store_full) -# define AO_char_store_full(addr, val) \ - (AO_char_store_release(addr, val), AO_nop_full()) -# define AO_HAVE_char_store_full -#endif - - -/* char_fetch_and_add */ -#if defined(AO_HAVE_char_compare_and_swap_full) && \ - !defined(AO_HAVE_char_fetch_and_add_full) - AO_INLINE AO_t - AO_char_fetch_and_add_full(volatile unsigned char *addr, - unsigned char incr) - { - unsigned char old; - do - { - old = *addr; - } - while (!AO_char_compare_and_swap_full(addr, old, old+incr)); - return old; - } -# define AO_HAVE_char_fetch_and_add_full -#endif - -#if defined(AO_HAVE_char_compare_and_swap_acquire) && \ - !defined(AO_HAVE_char_fetch_and_add_acquire) - AO_INLINE AO_t - AO_char_fetch_and_add_acquire(volatile unsigned char *addr, - unsigned char incr) - { - unsigned char old; - do - { - old = *addr; - } - while (!AO_char_compare_and_swap_acquire(addr, old, old+incr)); - return old; - } -# define AO_HAVE_char_fetch_and_add_acquire -#endif - -#if defined(AO_HAVE_char_compare_and_swap_release) && \ - !defined(AO_HAVE_char_fetch_and_add_release) - AO_INLINE AO_t - AO_char_fetch_and_add_release(volatile unsigned char *addr, - unsigned char incr) - { - unsigned char old; - do - { - old = *addr; - } - while (!AO_char_compare_and_swap_release(addr, old, old+incr)); - return old; - } -# define AO_HAVE_char_fetch_and_add_release -#endif - -#if defined(AO_HAVE_char_fetch_and_add_full) -# if !defined(AO_HAVE_char_fetch_and_add_release) -# define AO_char_fetch_and_add_release(addr, val) \ - AO_char_fetch_and_add_full(addr, val) -# define AO_HAVE_char_fetch_and_add_release -# endif -# if !defined(AO_HAVE_char_fetch_and_add_acquire) -# define AO_char_fetch_and_add_acquire(addr, val) \ - AO_char_fetch_and_add_full(addr, val) -# define AO_HAVE_char_fetch_and_add_acquire -# endif -# if !defined(AO_HAVE_char_fetch_and_add_write) -# define AO_char_fetch_and_add_write(addr, val) \ - AO_char_fetch_and_add_full(addr, val) -# define AO_HAVE_char_fetch_and_add_write -# endif -# if !defined(AO_HAVE_char_fetch_and_add_read) -# define AO_char_fetch_and_add_read(addr, val) \ - AO_char_fetch_and_add_full(addr, val) -# define AO_HAVE_char_fetch_and_add_read -# endif -#endif /* AO_HAVE_char_fetch_and_add_full */ - -#if !defined(AO_HAVE_char_fetch_and_add) && \ - defined(AO_HAVE_char_fetch_and_add_release) -# define AO_char_fetch_and_add(addr, val) \ - AO_char_fetch_and_add_release(addr, val) -# define AO_HAVE_char_fetch_and_add -#endif -#if !defined(AO_HAVE_char_fetch_and_add) && \ - defined(AO_HAVE_char_fetch_and_add_acquire) -# define AO_char_fetch_and_add(addr, val) \ - AO_char_fetch_and_add_acquire(addr, val) -# define AO_HAVE_char_fetch_and_add -#endif -#if !defined(AO_HAVE_char_fetch_and_add) && \ - defined(AO_HAVE_char_fetch_and_add_write) -# define AO_char_fetch_and_add(addr, val) \ - AO_char_fetch_and_add_write(addr, val) -# define AO_HAVE_char_fetch_and_add -#endif -#if !defined(AO_HAVE_char_fetch_and_add) && \ - defined(AO_HAVE_char_fetch_and_add_read) -# define AO_char_fetch_and_add(addr, val) \ - AO_char_fetch_and_add_read(addr, val) -# define AO_HAVE_char_fetch_and_add -#endif - -#if defined(AO_HAVE_char_fetch_and_add_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_char_fetch_and_add_full) -# define AO_char_fetch_and_add_full(addr, val) \ - (AO_nop_full(), AO_char_fetch_and_add_acquire(addr, val)) -#endif - -#if !defined(AO_HAVE_char_fetch_and_add_release_write) && \ - defined(AO_HAVE_char_fetch_and_add_write) -# define AO_char_fetch_and_add_release_write(addr, val) \ - AO_char_fetch_and_add_write(addr, val) -# define AO_HAVE_char_fetch_and_add_release_write -#endif -#if !defined(AO_HAVE_char_fetch_and_add_release_write) && \ - defined(AO_HAVE_char_fetch_and_add_release) -# define AO_char_fetch_and_add_release_write(addr, val) \ - AO_char_fetch_and_add_release(addr, val) -# define AO_HAVE_char_fetch_and_add_release_write -#endif -#if !defined(AO_HAVE_char_fetch_and_add_acquire_read) && \ - defined(AO_HAVE_char_fetch_and_add_read) -# define AO_char_fetch_and_add_acquire_read(addr, val) \ - AO_char_fetch_and_add_read(addr, val) -# define AO_HAVE_char_fetch_and_add_acquire_read -#endif -#if !defined(AO_HAVE_char_fetch_and_add_acquire_read) && \ - defined(AO_HAVE_char_fetch_and_add_acquire) -# define AO_char_fetch_and_add_acquire_read(addr, val) \ - AO_char_fetch_and_add_acquire(addr, val) -# define AO_HAVE_char_fetch_and_add_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_char_fetch_and_add_acquire_read) -# define AO_char_fetch_and_add_dd_acquire_read(addr, val) \ - AO_char_fetch_and_add_acquire_read(addr, val) -# define AO_HAVE_char_fetch_and_add_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_char_fetch_and_add) -# define AO_char_fetch_and_add_dd_acquire_read(addr, val) \ - AO_char_fetch_and_add(addr, val) -# define AO_HAVE_char_fetch_and_add_dd_acquire_read -# endif -#endif - -/* char_fetch_and_add1 */ - -#if defined(AO_HAVE_char_fetch_and_add_full) &&\ - !defined(AO_HAVE_char_fetch_and_add1_full) -# define AO_char_fetch_and_add1_full(addr) \ - AO_char_fetch_and_add_full(addr,1) -# define AO_HAVE_char_fetch_and_add1_full -#endif -#if defined(AO_HAVE_char_fetch_and_add_release) &&\ - !defined(AO_HAVE_char_fetch_and_add1_release) -# define AO_char_fetch_and_add1_release(addr) \ - AO_char_fetch_and_add_release(addr,1) -# define AO_HAVE_char_fetch_and_add1_release -#endif -#if defined(AO_HAVE_char_fetch_and_add_acquire) &&\ - !defined(AO_HAVE_char_fetch_and_add1_acquire) -# define AO_char_fetch_and_add1_acquire(addr) \ - AO_char_fetch_and_add_acquire(addr,1) -# define AO_HAVE_char_fetch_and_add1_acquire -#endif -#if defined(AO_HAVE_char_fetch_and_add_write) &&\ - !defined(AO_HAVE_char_fetch_and_add1_write) -# define AO_char_fetch_and_add1_write(addr) \ - AO_char_fetch_and_add_write(addr,1) -# define AO_HAVE_char_fetch_and_add1_write -#endif -#if defined(AO_HAVE_char_fetch_and_add_read) &&\ - !defined(AO_HAVE_char_fetch_and_add1_read) -# define AO_char_fetch_and_add1_read(addr) \ - AO_char_fetch_and_add_read(addr,1) -# define AO_HAVE_char_fetch_and_add1_read -#endif -#if defined(AO_HAVE_char_fetch_and_add_release_write) &&\ - !defined(AO_HAVE_char_fetch_and_add1_release_write) -# define AO_char_fetch_and_add1_release_write(addr) \ - AO_char_fetch_and_add_release_write(addr,1) -# define AO_HAVE_char_fetch_and_add1_release_write -#endif -#if defined(AO_HAVE_char_fetch_and_add_acquire_read) &&\ - !defined(AO_HAVE_char_fetch_and_add1_acquire_read) -# define AO_char_fetch_and_add1_acquire_read(addr) \ - AO_char_fetch_and_add_acquire_read(addr,1) -# define AO_HAVE_char_fetch_and_add1_acquire_read -#endif -#if defined(AO_HAVE_char_fetch_and_add) &&\ - !defined(AO_HAVE_char_fetch_and_add1) -# define AO_char_fetch_and_add1(addr) \ - AO_char_fetch_and_add(addr,1) -# define AO_HAVE_char_fetch_and_add1 -#endif - -#if defined(AO_HAVE_char_fetch_and_add1_full) -# if !defined(AO_HAVE_char_fetch_and_add1_release) -# define AO_char_fetch_and_add1_release(addr) \ - AO_char_fetch_and_add1_full(addr) -# define AO_HAVE_char_fetch_and_add1_release -# endif -# if !defined(AO_HAVE_char_fetch_and_add1_acquire) -# define AO_char_fetch_and_add1_acquire(addr) \ - AO_char_fetch_and_add1_full(addr) -# define AO_HAVE_char_fetch_and_add1_acquire -# endif -# if !defined(AO_HAVE_char_fetch_and_add1_write) -# define AO_char_fetch_and_add1_write(addr) \ - AO_char_fetch_and_add1_full(addr) -# define AO_HAVE_char_fetch_and_add1_write -# endif -# if !defined(AO_HAVE_char_fetch_and_add1_read) -# define AO_char_fetch_and_add1_read(addr) \ - AO_char_fetch_and_add1_full(addr) -# define AO_HAVE_char_fetch_and_add1_read -# endif -#endif /* AO_HAVE_char_fetch_and_add1_full */ - -#if !defined(AO_HAVE_char_fetch_and_add1) && \ - defined(AO_HAVE_char_fetch_and_add1_release) -# define AO_char_fetch_and_add1(addr) \ - AO_char_fetch_and_add1_release(addr) -# define AO_HAVE_char_fetch_and_add1 -#endif -#if !defined(AO_HAVE_char_fetch_and_add1) && \ - defined(AO_HAVE_char_fetch_and_add1_acquire) -# define AO_char_fetch_and_add1(addr) \ - AO_char_fetch_and_add1_acquire(addr) -# define AO_HAVE_char_fetch_and_add1 -#endif -#if !defined(AO_HAVE_char_fetch_and_add1) && \ - defined(AO_HAVE_char_fetch_and_add1_write) -# define AO_char_fetch_and_add1(addr) \ - AO_char_fetch_and_add1_write(addr) -# define AO_HAVE_char_fetch_and_add1 -#endif -#if !defined(AO_HAVE_char_fetch_and_add1) && \ - defined(AO_HAVE_char_fetch_and_add1_read) -# define AO_char_fetch_and_add1(addr) \ - AO_char_fetch_and_add1_read(addr) -# define AO_HAVE_char_fetch_and_add1 -#endif - -#if defined(AO_HAVE_char_fetch_and_add1_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_char_fetch_and_add1_full) -# define AO_char_fetch_and_add1_full(addr) \ - (AO_nop_full(), AO_char_fetch_and_add1_acquire(addr)) -# define AO_HAVE_char_fetch_and_add1_full -#endif - -#if !defined(AO_HAVE_char_fetch_and_add1_release_write) && \ - defined(AO_HAVE_char_fetch_and_add1_write) -# define AO_char_fetch_and_add1_release_write(addr) \ - AO_char_fetch_and_add1_write(addr) -# define AO_HAVE_char_fetch_and_add1_release_write -#endif -#if !defined(AO_HAVE_char_fetch_and_add1_release_write) && \ - defined(AO_HAVE_char_fetch_and_add1_release) -# define AO_char_fetch_and_add1_release_write(addr) \ - AO_char_fetch_and_add1_release(addr) -# define AO_HAVE_char_fetch_and_add1_release_write -#endif -#if !defined(AO_HAVE_char_fetch_and_add1_acquire_read) && \ - defined(AO_HAVE_char_fetch_and_add1_read) -# define AO_char_fetch_and_add1_acquire_read(addr) \ - AO_char_fetch_and_add1_read(addr) -# define AO_HAVE_char_fetch_and_add1_acquire_read -#endif -#if !defined(AO_HAVE_char_fetch_and_add1_acquire_read) && \ - defined(AO_HAVE_char_fetch_and_add1_acquire) -# define AO_char_fetch_and_add1_acquire_read(addr) \ - AO_char_fetch_and_add1_acquire(addr) -# define AO_HAVE_char_fetch_and_add1_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_char_fetch_and_add1_acquire_read) -# define AO_char_fetch_and_add1_dd_acquire_read(addr) \ - AO_char_fetch_and_add1_acquire_read(addr) -# define AO_HAVE_char_fetch_and_add1_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_char_fetch_and_add1) -# define AO_char_fetch_and_add1_dd_acquire_read(addr) \ - AO_char_fetch_and_add1(addr) -# define AO_HAVE_char_fetch_and_add1_dd_acquire_read -# endif -#endif - -/* char_fetch_and_sub1 */ - -#if defined(AO_HAVE_char_fetch_and_add_full) &&\ - !defined(AO_HAVE_char_fetch_and_sub1_full) -# define AO_char_fetch_and_sub1_full(addr) \ - AO_char_fetch_and_add_full(addr,(unsigned char)(-1)) -# define AO_HAVE_char_fetch_and_sub1_full -#endif -#if defined(AO_HAVE_char_fetch_and_add_release) &&\ - !defined(AO_HAVE_char_fetch_and_sub1_release) -# define AO_char_fetch_and_sub1_release(addr) \ - AO_char_fetch_and_add_release(addr,(unsigned char)(-1)) -# define AO_HAVE_char_fetch_and_sub1_release -#endif -#if defined(AO_HAVE_char_fetch_and_add_acquire) &&\ - !defined(AO_HAVE_char_fetch_and_sub1_acquire) -# define AO_char_fetch_and_sub1_acquire(addr) \ - AO_char_fetch_and_add_acquire(addr,(unsigned char)(-1)) -# define AO_HAVE_char_fetch_and_sub1_acquire -#endif -#if defined(AO_HAVE_char_fetch_and_add_write) &&\ - !defined(AO_HAVE_char_fetch_and_sub1_write) -# define AO_char_fetch_and_sub1_write(addr) \ - AO_char_fetch_and_add_write(addr,(unsigned char)(-1)) -# define AO_HAVE_char_fetch_and_sub1_write -#endif -#if defined(AO_HAVE_char_fetch_and_add_read) &&\ - !defined(AO_HAVE_char_fetch_and_sub1_read) -# define AO_char_fetch_and_sub1_read(addr) \ - AO_char_fetch_and_add_read(addr,(unsigned char)(-1)) -# define AO_HAVE_char_fetch_and_sub1_read -#endif -#if defined(AO_HAVE_char_fetch_and_add_release_write) &&\ - !defined(AO_HAVE_char_fetch_and_sub1_release_write) -# define AO_char_fetch_and_sub1_release_write(addr) \ - AO_char_fetch_and_add_release_write(addr,(unsigned char)(-1)) -# define AO_HAVE_char_fetch_and_sub1_release_write -#endif -#if defined(AO_HAVE_char_fetch_and_add_acquire_read) &&\ - !defined(AO_HAVE_char_fetch_and_sub1_acquire_read) -# define AO_char_fetch_and_sub1_acquire_read(addr) \ - AO_char_fetch_and_add_acquire_read(addr,(unsigned char)(-1)) -# define AO_HAVE_char_fetch_and_sub1_acquire_read -#endif -#if defined(AO_HAVE_char_fetch_and_add) &&\ - !defined(AO_HAVE_char_fetch_and_sub1) -# define AO_char_fetch_and_sub1(addr) \ - AO_char_fetch_and_add(addr,(unsigned char)(-1)) -# define AO_HAVE_char_fetch_and_sub1 -#endif - -#if defined(AO_HAVE_char_fetch_and_sub1_full) -# if !defined(AO_HAVE_char_fetch_and_sub1_release) -# define AO_char_fetch_and_sub1_release(addr) \ - AO_char_fetch_and_sub1_full(addr) -# define AO_HAVE_char_fetch_and_sub1_release -# endif -# if !defined(AO_HAVE_char_fetch_and_sub1_acquire) -# define AO_char_fetch_and_sub1_acquire(addr) \ - AO_char_fetch_and_sub1_full(addr) -# define AO_HAVE_char_fetch_and_sub1_acquire -# endif -# if !defined(AO_HAVE_char_fetch_and_sub1_write) -# define AO_char_fetch_and_sub1_write(addr) \ - AO_char_fetch_and_sub1_full(addr) -# define AO_HAVE_char_fetch_and_sub1_write -# endif -# if !defined(AO_HAVE_char_fetch_and_sub1_read) -# define AO_char_fetch_and_sub1_read(addr) \ - AO_char_fetch_and_sub1_full(addr) -# define AO_HAVE_char_fetch_and_sub1_read -# endif -#endif /* AO_HAVE_char_fetch_and_sub1_full */ - -#if !defined(AO_HAVE_char_fetch_and_sub1) && \ - defined(AO_HAVE_char_fetch_and_sub1_release) -# define AO_char_fetch_and_sub1(addr) \ - AO_char_fetch_and_sub1_release(addr) -# define AO_HAVE_char_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_char_fetch_and_sub1) && \ - defined(AO_HAVE_char_fetch_and_sub1_acquire) -# define AO_char_fetch_and_sub1(addr) \ - AO_char_fetch_and_sub1_acquire(addr) -# define AO_HAVE_char_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_char_fetch_and_sub1) && \ - defined(AO_HAVE_char_fetch_and_sub1_write) -# define AO_char_fetch_and_sub1(addr) \ - AO_char_fetch_and_sub1_write(addr) -# define AO_HAVE_char_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_char_fetch_and_sub1) && \ - defined(AO_HAVE_char_fetch_and_sub1_read) -# define AO_char_fetch_and_sub1(addr) \ - AO_char_fetch_and_sub1_read(addr) -# define AO_HAVE_char_fetch_and_sub1 -#endif - -#if defined(AO_HAVE_char_fetch_and_sub1_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_char_fetch_and_sub1_full) -# define AO_char_fetch_and_sub1_full(addr) \ - (AO_nop_full(), AO_char_fetch_and_sub1_acquire(addr)) -# define AO_HAVE_char_fetch_and_sub1_full -#endif - -#if !defined(AO_HAVE_char_fetch_and_sub1_release_write) && \ - defined(AO_HAVE_char_fetch_and_sub1_write) -# define AO_char_fetch_and_sub1_release_write(addr) \ - AO_char_fetch_and_sub1_write(addr) -# define AO_HAVE_char_fetch_and_sub1_release_write -#endif -#if !defined(AO_HAVE_char_fetch_and_sub1_release_write) && \ - defined(AO_HAVE_char_fetch_and_sub1_release) -# define AO_char_fetch_and_sub1_release_write(addr) \ - AO_char_fetch_and_sub1_release(addr) -# define AO_HAVE_char_fetch_and_sub1_release_write -#endif -#if !defined(AO_HAVE_char_fetch_and_sub1_acquire_read) && \ - defined(AO_HAVE_char_fetch_and_sub1_read) -# define AO_char_fetch_and_sub1_acquire_read(addr) \ - AO_char_fetch_and_sub1_read(addr) -# define AO_HAVE_char_fetch_and_sub1_acquire_read -#endif -#if !defined(AO_HAVE_char_fetch_and_sub1_acquire_read) && \ - defined(AO_HAVE_char_fetch_and_sub1_acquire) -# define AO_char_fetch_and_sub1_acquire_read(addr) \ - AO_char_fetch_and_sub1_acquire(addr) -# define AO_HAVE_char_fetch_and_sub1_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_char_fetch_and_sub1_acquire_read) -# define AO_char_fetch_and_sub1_dd_acquire_read(addr) \ - AO_char_fetch_and_sub1_acquire_read(addr) -# define AO_HAVE_char_fetch_and_sub1_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_char_fetch_and_sub1) -# define AO_char_fetch_and_sub1_dd_acquire_read(addr) \ - AO_char_fetch_and_sub1(addr) -# define AO_HAVE_char_fetch_and_sub1_dd_acquire_read -# endif -#endif - -/* short_load */ -#if defined(AO_HAVE_short_load_acquire) && !defined(AO_HAVE_short_load) -# define AO_short_load(addr) AO_short_load_acquire(addr) -# define AO_HAVE_short_load -#endif - -#if defined(AO_HAVE_short_load_full) && !defined(AO_HAVE_short_load_acquire) -# define AO_short_load_acquire(addr) AO_short_load_full(addr) -# define AO_HAVE_short_load_acquire -#endif - -#if defined(AO_HAVE_short_load_full) && !defined(AO_HAVE_short_load_read) -# define AO_short_load_read(addr) AO_short_load_full(addr) -# define AO_HAVE_short_load_read -#endif - -#if !defined(AO_HAVE_short_load_acquire_read) && defined(AO_HAVE_short_load_acquire) -# define AO_short_load_acquire_read(addr) AO_short_load_acquire(addr) -# define AO_HAVE_short_load_acquire_read -#endif - -#if defined(AO_HAVE_short_load) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_short_load_acquire) - AO_INLINE unsigned short - AO_short_load_acquire(volatile unsigned short *addr) - { - unsigned short result = AO_short_load(addr); - /* Acquire barrier would be useless, since the load could be delayed */ - /* beyond it. */ - AO_nop_full(); - return result; - } -# define AO_HAVE_short_load_acquire -#endif - -#if defined(AO_HAVE_short_load) && defined(AO_HAVE_nop_read) && \ - !defined(AO_HAVE_short_load_read) - AO_INLINE unsigned short - AO_short_load_read(volatile unsigned short *addr) - { - unsigned short result = AO_short_load(addr); - /* Acquire barrier would be useless, since the load could be delayed */ - /* beyond it. */ - AO_nop_read(); - return result; - } -# define AO_HAVE_short_load_read -#endif - -#if defined(AO_HAVE_short_load_acquire) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_short_load_full) -# define AO_short_load_full(addr) (AO_nop_full(), AO_short_load_acquire(addr)) -# define AO_HAVE_short_load_full -#endif - -#if !defined(AO_HAVE_short_load_acquire_read) && defined(AO_HAVE_short_load_read) -# define AO_short_load_acquire_read(addr) AO_short_load_read(addr) -# define AO_HAVE_short_load_acquire_read -#endif - -#if defined(AO_HAVE_short_load_acquire_read) && !defined(AO_HAVE_short_load) -# define AO_short_load(addr) AO_short_load_acquire_read(addr) -# define AO_HAVE_short_load -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_short_load_acquire_read) -# define AO_short_load_dd_acquire_read(addr) \ - AO_short_load_acquire_read(addr) -# define AO_HAVE_short_load_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_short_load) -# define AO_short_load_dd_acquire_read(addr) \ - AO_short_load(addr) -# define AO_HAVE_short_load_dd_acquire_read -# endif -#endif - - -/* short_store */ - -#if defined(AO_HAVE_short_store_release) && !defined(AO_HAVE_short_store) -# define AO_short_store(addr, val) AO_short_store_release(addr,val) -# define AO_HAVE_short_store -#endif - -#if defined(AO_HAVE_short_store_full) && !defined(AO_HAVE_short_store_release) -# define AO_short_store_release(addr,val) AO_short_store_full(addr,val) -# define AO_HAVE_short_store_release -#endif - -#if defined(AO_HAVE_short_store_full) && !defined(AO_HAVE_short_store_write) -# define AO_short_store_write(addr,val) AO_short_store_full(addr,val) -# define AO_HAVE_short_store_write -#endif - -#if defined(AO_HAVE_short_store_release) && \ - !defined(AO_HAVE_short_store_release_write) -# define AO_short_store_release_write(addr, val) \ - AO_short_store_release(addr,val) -# define AO_HAVE_short_store_release_write -#endif - -#if defined(AO_HAVE_short_store_write) && !defined(AO_HAVE_short_store) -# define AO_short_store(addr, val) AO_short_store_write(addr,val) -# define AO_HAVE_short_store -#endif - -#if defined(AO_HAVE_short_store) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_short_store_release) -# define AO_short_store_release(addr,val) \ - (AO_nop_full(), AO_short_store(addr,val)) -# define AO_HAVE_short_store_release -#endif - -#if defined(AO_HAVE_nop_write) && defined(AO_HAVE_short_store) && \ - !defined(AO_HAVE_short_store_write) -# define AO_short_store_write(addr, val) \ - (AO_nop_write(), AO_short_store(addr,val)) -# define AO_HAVE_short_store_write -#endif - -#if defined(AO_HAVE_short_store_write) && \ - !defined(AO_HAVE_short_store_release_write) -# define AO_short_store_release_write(addr, val) AO_short_store_write(addr,val) -# define AO_HAVE_short_store_release_write -#endif - -#if defined(AO_HAVE_short_store_release) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_short_store_full) -# define AO_short_store_full(addr, val) \ - (AO_short_store_release(addr, val), AO_nop_full()) -# define AO_HAVE_short_store_full -#endif - - -/* short_fetch_and_add */ -#if defined(AO_HAVE_short_compare_and_swap_full) && \ - !defined(AO_HAVE_short_fetch_and_add_full) - AO_INLINE AO_t - AO_short_fetch_and_add_full(volatile unsigned short *addr, - unsigned short incr) - { - unsigned short old; - do - { - old = *addr; - } - while (!AO_short_compare_and_swap_full(addr, old, old+incr)); - return old; - } -# define AO_HAVE_short_fetch_and_add_full -#endif - -#if defined(AO_HAVE_short_compare_and_swap_acquire) && \ - !defined(AO_HAVE_short_fetch_and_add_acquire) - AO_INLINE AO_t - AO_short_fetch_and_add_acquire(volatile unsigned short *addr, - unsigned short incr) - { - unsigned short old; - do - { - old = *addr; - } - while (!AO_short_compare_and_swap_acquire(addr, old, old+incr)); - return old; - } -# define AO_HAVE_short_fetch_and_add_acquire -#endif - -#if defined(AO_HAVE_short_compare_and_swap_release) && \ - !defined(AO_HAVE_short_fetch_and_add_release) - AO_INLINE AO_t - AO_short_fetch_and_add_release(volatile unsigned short *addr, - unsigned short incr) - { - unsigned short old; - do - { - old = *addr; - } - while (!AO_short_compare_and_swap_release(addr, old, old+incr)); - return old; - } -# define AO_HAVE_short_fetch_and_add_release -#endif - -#if defined(AO_HAVE_short_fetch_and_add_full) -# if !defined(AO_HAVE_short_fetch_and_add_release) -# define AO_short_fetch_and_add_release(addr, val) \ - AO_short_fetch_and_add_full(addr, val) -# define AO_HAVE_short_fetch_and_add_release -# endif -# if !defined(AO_HAVE_short_fetch_and_add_acquire) -# define AO_short_fetch_and_add_acquire(addr, val) \ - AO_short_fetch_and_add_full(addr, val) -# define AO_HAVE_short_fetch_and_add_acquire -# endif -# if !defined(AO_HAVE_short_fetch_and_add_write) -# define AO_short_fetch_and_add_write(addr, val) \ - AO_short_fetch_and_add_full(addr, val) -# define AO_HAVE_short_fetch_and_add_write -# endif -# if !defined(AO_HAVE_short_fetch_and_add_read) -# define AO_short_fetch_and_add_read(addr, val) \ - AO_short_fetch_and_add_full(addr, val) -# define AO_HAVE_short_fetch_and_add_read -# endif -#endif /* AO_HAVE_short_fetch_and_add_full */ - -#if !defined(AO_HAVE_short_fetch_and_add) && \ - defined(AO_HAVE_short_fetch_and_add_release) -# define AO_short_fetch_and_add(addr, val) \ - AO_short_fetch_and_add_release(addr, val) -# define AO_HAVE_short_fetch_and_add -#endif -#if !defined(AO_HAVE_short_fetch_and_add) && \ - defined(AO_HAVE_short_fetch_and_add_acquire) -# define AO_short_fetch_and_add(addr, val) \ - AO_short_fetch_and_add_acquire(addr, val) -# define AO_HAVE_short_fetch_and_add -#endif -#if !defined(AO_HAVE_short_fetch_and_add) && \ - defined(AO_HAVE_short_fetch_and_add_write) -# define AO_short_fetch_and_add(addr, val) \ - AO_short_fetch_and_add_write(addr, val) -# define AO_HAVE_short_fetch_and_add -#endif -#if !defined(AO_HAVE_short_fetch_and_add) && \ - defined(AO_HAVE_short_fetch_and_add_read) -# define AO_short_fetch_and_add(addr, val) \ - AO_short_fetch_and_add_read(addr, val) -# define AO_HAVE_short_fetch_and_add -#endif - -#if defined(AO_HAVE_short_fetch_and_add_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_short_fetch_and_add_full) -# define AO_short_fetch_and_add_full(addr, val) \ - (AO_nop_full(), AO_short_fetch_and_add_acquire(addr, val)) -#endif - -#if !defined(AO_HAVE_short_fetch_and_add_release_write) && \ - defined(AO_HAVE_short_fetch_and_add_write) -# define AO_short_fetch_and_add_release_write(addr, val) \ - AO_short_fetch_and_add_write(addr, val) -# define AO_HAVE_short_fetch_and_add_release_write -#endif -#if !defined(AO_HAVE_short_fetch_and_add_release_write) && \ - defined(AO_HAVE_short_fetch_and_add_release) -# define AO_short_fetch_and_add_release_write(addr, val) \ - AO_short_fetch_and_add_release(addr, val) -# define AO_HAVE_short_fetch_and_add_release_write -#endif -#if !defined(AO_HAVE_short_fetch_and_add_acquire_read) && \ - defined(AO_HAVE_short_fetch_and_add_read) -# define AO_short_fetch_and_add_acquire_read(addr, val) \ - AO_short_fetch_and_add_read(addr, val) -# define AO_HAVE_short_fetch_and_add_acquire_read -#endif -#if !defined(AO_HAVE_short_fetch_and_add_acquire_read) && \ - defined(AO_HAVE_short_fetch_and_add_acquire) -# define AO_short_fetch_and_add_acquire_read(addr, val) \ - AO_short_fetch_and_add_acquire(addr, val) -# define AO_HAVE_short_fetch_and_add_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_short_fetch_and_add_acquire_read) -# define AO_short_fetch_and_add_dd_acquire_read(addr, val) \ - AO_short_fetch_and_add_acquire_read(addr, val) -# define AO_HAVE_short_fetch_and_add_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_short_fetch_and_add) -# define AO_short_fetch_and_add_dd_acquire_read(addr, val) \ - AO_short_fetch_and_add(addr, val) -# define AO_HAVE_short_fetch_and_add_dd_acquire_read -# endif -#endif - -/* short_fetch_and_add1 */ - -#if defined(AO_HAVE_short_fetch_and_add_full) &&\ - !defined(AO_HAVE_short_fetch_and_add1_full) -# define AO_short_fetch_and_add1_full(addr) \ - AO_short_fetch_and_add_full(addr,1) -# define AO_HAVE_short_fetch_and_add1_full -#endif -#if defined(AO_HAVE_short_fetch_and_add_release) &&\ - !defined(AO_HAVE_short_fetch_and_add1_release) -# define AO_short_fetch_and_add1_release(addr) \ - AO_short_fetch_and_add_release(addr,1) -# define AO_HAVE_short_fetch_and_add1_release -#endif -#if defined(AO_HAVE_short_fetch_and_add_acquire) &&\ - !defined(AO_HAVE_short_fetch_and_add1_acquire) -# define AO_short_fetch_and_add1_acquire(addr) \ - AO_short_fetch_and_add_acquire(addr,1) -# define AO_HAVE_short_fetch_and_add1_acquire -#endif -#if defined(AO_HAVE_short_fetch_and_add_write) &&\ - !defined(AO_HAVE_short_fetch_and_add1_write) -# define AO_short_fetch_and_add1_write(addr) \ - AO_short_fetch_and_add_write(addr,1) -# define AO_HAVE_short_fetch_and_add1_write -#endif -#if defined(AO_HAVE_short_fetch_and_add_read) &&\ - !defined(AO_HAVE_short_fetch_and_add1_read) -# define AO_short_fetch_and_add1_read(addr) \ - AO_short_fetch_and_add_read(addr,1) -# define AO_HAVE_short_fetch_and_add1_read -#endif -#if defined(AO_HAVE_short_fetch_and_add_release_write) &&\ - !defined(AO_HAVE_short_fetch_and_add1_release_write) -# define AO_short_fetch_and_add1_release_write(addr) \ - AO_short_fetch_and_add_release_write(addr,1) -# define AO_HAVE_short_fetch_and_add1_release_write -#endif -#if defined(AO_HAVE_short_fetch_and_add_acquire_read) &&\ - !defined(AO_HAVE_short_fetch_and_add1_acquire_read) -# define AO_short_fetch_and_add1_acquire_read(addr) \ - AO_short_fetch_and_add_acquire_read(addr,1) -# define AO_HAVE_short_fetch_and_add1_acquire_read -#endif -#if defined(AO_HAVE_short_fetch_and_add) &&\ - !defined(AO_HAVE_short_fetch_and_add1) -# define AO_short_fetch_and_add1(addr) \ - AO_short_fetch_and_add(addr,1) -# define AO_HAVE_short_fetch_and_add1 -#endif - -#if defined(AO_HAVE_short_fetch_and_add1_full) -# if !defined(AO_HAVE_short_fetch_and_add1_release) -# define AO_short_fetch_and_add1_release(addr) \ - AO_short_fetch_and_add1_full(addr) -# define AO_HAVE_short_fetch_and_add1_release -# endif -# if !defined(AO_HAVE_short_fetch_and_add1_acquire) -# define AO_short_fetch_and_add1_acquire(addr) \ - AO_short_fetch_and_add1_full(addr) -# define AO_HAVE_short_fetch_and_add1_acquire -# endif -# if !defined(AO_HAVE_short_fetch_and_add1_write) -# define AO_short_fetch_and_add1_write(addr) \ - AO_short_fetch_and_add1_full(addr) -# define AO_HAVE_short_fetch_and_add1_write -# endif -# if !defined(AO_HAVE_short_fetch_and_add1_read) -# define AO_short_fetch_and_add1_read(addr) \ - AO_short_fetch_and_add1_full(addr) -# define AO_HAVE_short_fetch_and_add1_read -# endif -#endif /* AO_HAVE_short_fetch_and_add1_full */ - -#if !defined(AO_HAVE_short_fetch_and_add1) && \ - defined(AO_HAVE_short_fetch_and_add1_release) -# define AO_short_fetch_and_add1(addr) \ - AO_short_fetch_and_add1_release(addr) -# define AO_HAVE_short_fetch_and_add1 -#endif -#if !defined(AO_HAVE_short_fetch_and_add1) && \ - defined(AO_HAVE_short_fetch_and_add1_acquire) -# define AO_short_fetch_and_add1(addr) \ - AO_short_fetch_and_add1_acquire(addr) -# define AO_HAVE_short_fetch_and_add1 -#endif -#if !defined(AO_HAVE_short_fetch_and_add1) && \ - defined(AO_HAVE_short_fetch_and_add1_write) -# define AO_short_fetch_and_add1(addr) \ - AO_short_fetch_and_add1_write(addr) -# define AO_HAVE_short_fetch_and_add1 -#endif -#if !defined(AO_HAVE_short_fetch_and_add1) && \ - defined(AO_HAVE_short_fetch_and_add1_read) -# define AO_short_fetch_and_add1(addr) \ - AO_short_fetch_and_add1_read(addr) -# define AO_HAVE_short_fetch_and_add1 -#endif - -#if defined(AO_HAVE_short_fetch_and_add1_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_short_fetch_and_add1_full) -# define AO_short_fetch_and_add1_full(addr) \ - (AO_nop_full(), AO_short_fetch_and_add1_acquire(addr)) -# define AO_HAVE_short_fetch_and_add1_full -#endif - -#if !defined(AO_HAVE_short_fetch_and_add1_release_write) && \ - defined(AO_HAVE_short_fetch_and_add1_write) -# define AO_short_fetch_and_add1_release_write(addr) \ - AO_short_fetch_and_add1_write(addr) -# define AO_HAVE_short_fetch_and_add1_release_write -#endif -#if !defined(AO_HAVE_short_fetch_and_add1_release_write) && \ - defined(AO_HAVE_short_fetch_and_add1_release) -# define AO_short_fetch_and_add1_release_write(addr) \ - AO_short_fetch_and_add1_release(addr) -# define AO_HAVE_short_fetch_and_add1_release_write -#endif -#if !defined(AO_HAVE_short_fetch_and_add1_acquire_read) && \ - defined(AO_HAVE_short_fetch_and_add1_read) -# define AO_short_fetch_and_add1_acquire_read(addr) \ - AO_short_fetch_and_add1_read(addr) -# define AO_HAVE_short_fetch_and_add1_acquire_read -#endif -#if !defined(AO_HAVE_short_fetch_and_add1_acquire_read) && \ - defined(AO_HAVE_short_fetch_and_add1_acquire) -# define AO_short_fetch_and_add1_acquire_read(addr) \ - AO_short_fetch_and_add1_acquire(addr) -# define AO_HAVE_short_fetch_and_add1_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_short_fetch_and_add1_acquire_read) -# define AO_short_fetch_and_add1_dd_acquire_read(addr) \ - AO_short_fetch_and_add1_acquire_read(addr) -# define AO_HAVE_short_fetch_and_add1_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_short_fetch_and_add1) -# define AO_short_fetch_and_add1_dd_acquire_read(addr) \ - AO_short_fetch_and_add1(addr) -# define AO_HAVE_short_fetch_and_add1_dd_acquire_read -# endif -#endif - -/* short_fetch_and_sub1 */ - -#if defined(AO_HAVE_short_fetch_and_add_full) &&\ - !defined(AO_HAVE_short_fetch_and_sub1_full) -# define AO_short_fetch_and_sub1_full(addr) \ - AO_short_fetch_and_add_full(addr,(unsigned short)(-1)) -# define AO_HAVE_short_fetch_and_sub1_full -#endif -#if defined(AO_HAVE_short_fetch_and_add_release) &&\ - !defined(AO_HAVE_short_fetch_and_sub1_release) -# define AO_short_fetch_and_sub1_release(addr) \ - AO_short_fetch_and_add_release(addr,(unsigned short)(-1)) -# define AO_HAVE_short_fetch_and_sub1_release -#endif -#if defined(AO_HAVE_short_fetch_and_add_acquire) &&\ - !defined(AO_HAVE_short_fetch_and_sub1_acquire) -# define AO_short_fetch_and_sub1_acquire(addr) \ - AO_short_fetch_and_add_acquire(addr,(unsigned short)(-1)) -# define AO_HAVE_short_fetch_and_sub1_acquire -#endif -#if defined(AO_HAVE_short_fetch_and_add_write) &&\ - !defined(AO_HAVE_short_fetch_and_sub1_write) -# define AO_short_fetch_and_sub1_write(addr) \ - AO_short_fetch_and_add_write(addr,(unsigned short)(-1)) -# define AO_HAVE_short_fetch_and_sub1_write -#endif -#if defined(AO_HAVE_short_fetch_and_add_read) &&\ - !defined(AO_HAVE_short_fetch_and_sub1_read) -# define AO_short_fetch_and_sub1_read(addr) \ - AO_short_fetch_and_add_read(addr,(unsigned short)(-1)) -# define AO_HAVE_short_fetch_and_sub1_read -#endif -#if defined(AO_HAVE_short_fetch_and_add_release_write) &&\ - !defined(AO_HAVE_short_fetch_and_sub1_release_write) -# define AO_short_fetch_and_sub1_release_write(addr) \ - AO_short_fetch_and_add_release_write(addr,(unsigned short)(-1)) -# define AO_HAVE_short_fetch_and_sub1_release_write -#endif -#if defined(AO_HAVE_short_fetch_and_add_acquire_read) &&\ - !defined(AO_HAVE_short_fetch_and_sub1_acquire_read) -# define AO_short_fetch_and_sub1_acquire_read(addr) \ - AO_short_fetch_and_add_acquire_read(addr,(unsigned short)(-1)) -# define AO_HAVE_short_fetch_and_sub1_acquire_read -#endif -#if defined(AO_HAVE_short_fetch_and_add) &&\ - !defined(AO_HAVE_short_fetch_and_sub1) -# define AO_short_fetch_and_sub1(addr) \ - AO_short_fetch_and_add(addr,(unsigned short)(-1)) -# define AO_HAVE_short_fetch_and_sub1 -#endif - -#if defined(AO_HAVE_short_fetch_and_sub1_full) -# if !defined(AO_HAVE_short_fetch_and_sub1_release) -# define AO_short_fetch_and_sub1_release(addr) \ - AO_short_fetch_and_sub1_full(addr) -# define AO_HAVE_short_fetch_and_sub1_release -# endif -# if !defined(AO_HAVE_short_fetch_and_sub1_acquire) -# define AO_short_fetch_and_sub1_acquire(addr) \ - AO_short_fetch_and_sub1_full(addr) -# define AO_HAVE_short_fetch_and_sub1_acquire -# endif -# if !defined(AO_HAVE_short_fetch_and_sub1_write) -# define AO_short_fetch_and_sub1_write(addr) \ - AO_short_fetch_and_sub1_full(addr) -# define AO_HAVE_short_fetch_and_sub1_write -# endif -# if !defined(AO_HAVE_short_fetch_and_sub1_read) -# define AO_short_fetch_and_sub1_read(addr) \ - AO_short_fetch_and_sub1_full(addr) -# define AO_HAVE_short_fetch_and_sub1_read -# endif -#endif /* AO_HAVE_short_fetch_and_sub1_full */ - -#if !defined(AO_HAVE_short_fetch_and_sub1) && \ - defined(AO_HAVE_short_fetch_and_sub1_release) -# define AO_short_fetch_and_sub1(addr) \ - AO_short_fetch_and_sub1_release(addr) -# define AO_HAVE_short_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_short_fetch_and_sub1) && \ - defined(AO_HAVE_short_fetch_and_sub1_acquire) -# define AO_short_fetch_and_sub1(addr) \ - AO_short_fetch_and_sub1_acquire(addr) -# define AO_HAVE_short_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_short_fetch_and_sub1) && \ - defined(AO_HAVE_short_fetch_and_sub1_write) -# define AO_short_fetch_and_sub1(addr) \ - AO_short_fetch_and_sub1_write(addr) -# define AO_HAVE_short_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_short_fetch_and_sub1) && \ - defined(AO_HAVE_short_fetch_and_sub1_read) -# define AO_short_fetch_and_sub1(addr) \ - AO_short_fetch_and_sub1_read(addr) -# define AO_HAVE_short_fetch_and_sub1 -#endif - -#if defined(AO_HAVE_short_fetch_and_sub1_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_short_fetch_and_sub1_full) -# define AO_short_fetch_and_sub1_full(addr) \ - (AO_nop_full(), AO_short_fetch_and_sub1_acquire(addr)) -# define AO_HAVE_short_fetch_and_sub1_full -#endif - -#if !defined(AO_HAVE_short_fetch_and_sub1_release_write) && \ - defined(AO_HAVE_short_fetch_and_sub1_write) -# define AO_short_fetch_and_sub1_release_write(addr) \ - AO_short_fetch_and_sub1_write(addr) -# define AO_HAVE_short_fetch_and_sub1_release_write -#endif -#if !defined(AO_HAVE_short_fetch_and_sub1_release_write) && \ - defined(AO_HAVE_short_fetch_and_sub1_release) -# define AO_short_fetch_and_sub1_release_write(addr) \ - AO_short_fetch_and_sub1_release(addr) -# define AO_HAVE_short_fetch_and_sub1_release_write -#endif -#if !defined(AO_HAVE_short_fetch_and_sub1_acquire_read) && \ - defined(AO_HAVE_short_fetch_and_sub1_read) -# define AO_short_fetch_and_sub1_acquire_read(addr) \ - AO_short_fetch_and_sub1_read(addr) -# define AO_HAVE_short_fetch_and_sub1_acquire_read -#endif -#if !defined(AO_HAVE_short_fetch_and_sub1_acquire_read) && \ - defined(AO_HAVE_short_fetch_and_sub1_acquire) -# define AO_short_fetch_and_sub1_acquire_read(addr) \ - AO_short_fetch_and_sub1_acquire(addr) -# define AO_HAVE_short_fetch_and_sub1_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_short_fetch_and_sub1_acquire_read) -# define AO_short_fetch_and_sub1_dd_acquire_read(addr) \ - AO_short_fetch_and_sub1_acquire_read(addr) -# define AO_HAVE_short_fetch_and_sub1_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_short_fetch_and_sub1) -# define AO_short_fetch_and_sub1_dd_acquire_read(addr) \ - AO_short_fetch_and_sub1(addr) -# define AO_HAVE_short_fetch_and_sub1_dd_acquire_read -# endif -#endif - -/* int_load */ -#if defined(AO_HAVE_int_load_acquire) && !defined(AO_HAVE_int_load) -# define AO_int_load(addr) AO_int_load_acquire(addr) -# define AO_HAVE_int_load -#endif - -#if defined(AO_HAVE_int_load_full) && !defined(AO_HAVE_int_load_acquire) -# define AO_int_load_acquire(addr) AO_int_load_full(addr) -# define AO_HAVE_int_load_acquire -#endif - -#if defined(AO_HAVE_int_load_full) && !defined(AO_HAVE_int_load_read) -# define AO_int_load_read(addr) AO_int_load_full(addr) -# define AO_HAVE_int_load_read -#endif - -#if !defined(AO_HAVE_int_load_acquire_read) && defined(AO_HAVE_int_load_acquire) -# define AO_int_load_acquire_read(addr) AO_int_load_acquire(addr) -# define AO_HAVE_int_load_acquire_read -#endif - -#if defined(AO_HAVE_int_load) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_int_load_acquire) - AO_INLINE unsigned int - AO_int_load_acquire(volatile unsigned int *addr) - { - unsigned int result = AO_int_load(addr); - /* Acquire barrier would be useless, since the load could be delayed */ - /* beyond it. */ - AO_nop_full(); - return result; - } -# define AO_HAVE_int_load_acquire -#endif - -#if defined(AO_HAVE_int_load) && defined(AO_HAVE_nop_read) && \ - !defined(AO_HAVE_int_load_read) - AO_INLINE unsigned int - AO_int_load_read(volatile unsigned int *addr) - { - unsigned int result = AO_int_load(addr); - /* Acquire barrier would be useless, since the load could be delayed */ - /* beyond it. */ - AO_nop_read(); - return result; - } -# define AO_HAVE_int_load_read -#endif - -#if defined(AO_HAVE_int_load_acquire) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_int_load_full) -# define AO_int_load_full(addr) (AO_nop_full(), AO_int_load_acquire(addr)) -# define AO_HAVE_int_load_full -#endif - -#if !defined(AO_HAVE_int_load_acquire_read) && defined(AO_HAVE_int_load_read) -# define AO_int_load_acquire_read(addr) AO_int_load_read(addr) -# define AO_HAVE_int_load_acquire_read -#endif - -#if defined(AO_HAVE_int_load_acquire_read) && !defined(AO_HAVE_int_load) -# define AO_int_load(addr) AO_int_load_acquire_read(addr) -# define AO_HAVE_int_load -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_int_load_acquire_read) -# define AO_int_load_dd_acquire_read(addr) \ - AO_int_load_acquire_read(addr) -# define AO_HAVE_int_load_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_int_load) -# define AO_int_load_dd_acquire_read(addr) \ - AO_int_load(addr) -# define AO_HAVE_int_load_dd_acquire_read -# endif -#endif - - -/* int_store */ - -#if defined(AO_HAVE_int_store_release) && !defined(AO_HAVE_int_store) -# define AO_int_store(addr, val) AO_int_store_release(addr,val) -# define AO_HAVE_int_store -#endif - -#if defined(AO_HAVE_int_store_full) && !defined(AO_HAVE_int_store_release) -# define AO_int_store_release(addr,val) AO_int_store_full(addr,val) -# define AO_HAVE_int_store_release -#endif - -#if defined(AO_HAVE_int_store_full) && !defined(AO_HAVE_int_store_write) -# define AO_int_store_write(addr,val) AO_int_store_full(addr,val) -# define AO_HAVE_int_store_write -#endif - -#if defined(AO_HAVE_int_store_release) && \ - !defined(AO_HAVE_int_store_release_write) -# define AO_int_store_release_write(addr, val) \ - AO_int_store_release(addr,val) -# define AO_HAVE_int_store_release_write -#endif - -#if defined(AO_HAVE_int_store_write) && !defined(AO_HAVE_int_store) -# define AO_int_store(addr, val) AO_int_store_write(addr,val) -# define AO_HAVE_int_store -#endif - -#if defined(AO_HAVE_int_store) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_int_store_release) -# define AO_int_store_release(addr,val) \ - (AO_nop_full(), AO_int_store(addr,val)) -# define AO_HAVE_int_store_release -#endif - -#if defined(AO_HAVE_nop_write) && defined(AO_HAVE_int_store) && \ - !defined(AO_HAVE_int_store_write) -# define AO_int_store_write(addr, val) \ - (AO_nop_write(), AO_int_store(addr,val)) -# define AO_HAVE_int_store_write -#endif - -#if defined(AO_HAVE_int_store_write) && \ - !defined(AO_HAVE_int_store_release_write) -# define AO_int_store_release_write(addr, val) AO_int_store_write(addr,val) -# define AO_HAVE_int_store_release_write -#endif - -#if defined(AO_HAVE_int_store_release) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_int_store_full) -# define AO_int_store_full(addr, val) \ - (AO_int_store_release(addr, val), AO_nop_full()) -# define AO_HAVE_int_store_full -#endif - - -/* int_fetch_and_add */ -#if defined(AO_HAVE_int_compare_and_swap_full) && \ - !defined(AO_HAVE_int_fetch_and_add_full) - AO_INLINE AO_t - AO_int_fetch_and_add_full(volatile unsigned int *addr, - unsigned int incr) - { - unsigned int old; - do - { - old = *addr; - } - while (!AO_int_compare_and_swap_full(addr, old, old+incr)); - return old; - } -# define AO_HAVE_int_fetch_and_add_full -#endif - -#if defined(AO_HAVE_int_compare_and_swap_acquire) && \ - !defined(AO_HAVE_int_fetch_and_add_acquire) - AO_INLINE AO_t - AO_int_fetch_and_add_acquire(volatile unsigned int *addr, - unsigned int incr) - { - unsigned int old; - do - { - old = *addr; - } - while (!AO_int_compare_and_swap_acquire(addr, old, old+incr)); - return old; - } -# define AO_HAVE_int_fetch_and_add_acquire -#endif - -#if defined(AO_HAVE_int_compare_and_swap_release) && \ - !defined(AO_HAVE_int_fetch_and_add_release) - AO_INLINE AO_t - AO_int_fetch_and_add_release(volatile unsigned int *addr, - unsigned int incr) - { - unsigned int old; - do - { - old = *addr; - } - while (!AO_int_compare_and_swap_release(addr, old, old+incr)); - return old; - } -# define AO_HAVE_int_fetch_and_add_release -#endif - -#if defined(AO_HAVE_int_fetch_and_add_full) -# if !defined(AO_HAVE_int_fetch_and_add_release) -# define AO_int_fetch_and_add_release(addr, val) \ - AO_int_fetch_and_add_full(addr, val) -# define AO_HAVE_int_fetch_and_add_release -# endif -# if !defined(AO_HAVE_int_fetch_and_add_acquire) -# define AO_int_fetch_and_add_acquire(addr, val) \ - AO_int_fetch_and_add_full(addr, val) -# define AO_HAVE_int_fetch_and_add_acquire -# endif -# if !defined(AO_HAVE_int_fetch_and_add_write) -# define AO_int_fetch_and_add_write(addr, val) \ - AO_int_fetch_and_add_full(addr, val) -# define AO_HAVE_int_fetch_and_add_write -# endif -# if !defined(AO_HAVE_int_fetch_and_add_read) -# define AO_int_fetch_and_add_read(addr, val) \ - AO_int_fetch_and_add_full(addr, val) -# define AO_HAVE_int_fetch_and_add_read -# endif -#endif /* AO_HAVE_int_fetch_and_add_full */ - -#if !defined(AO_HAVE_int_fetch_and_add) && \ - defined(AO_HAVE_int_fetch_and_add_release) -# define AO_int_fetch_and_add(addr, val) \ - AO_int_fetch_and_add_release(addr, val) -# define AO_HAVE_int_fetch_and_add -#endif -#if !defined(AO_HAVE_int_fetch_and_add) && \ - defined(AO_HAVE_int_fetch_and_add_acquire) -# define AO_int_fetch_and_add(addr, val) \ - AO_int_fetch_and_add_acquire(addr, val) -# define AO_HAVE_int_fetch_and_add -#endif -#if !defined(AO_HAVE_int_fetch_and_add) && \ - defined(AO_HAVE_int_fetch_and_add_write) -# define AO_int_fetch_and_add(addr, val) \ - AO_int_fetch_and_add_write(addr, val) -# define AO_HAVE_int_fetch_and_add -#endif -#if !defined(AO_HAVE_int_fetch_and_add) && \ - defined(AO_HAVE_int_fetch_and_add_read) -# define AO_int_fetch_and_add(addr, val) \ - AO_int_fetch_and_add_read(addr, val) -# define AO_HAVE_int_fetch_and_add -#endif - -#if defined(AO_HAVE_int_fetch_and_add_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_int_fetch_and_add_full) -# define AO_int_fetch_and_add_full(addr, val) \ - (AO_nop_full(), AO_int_fetch_and_add_acquire(addr, val)) -#endif - -#if !defined(AO_HAVE_int_fetch_and_add_release_write) && \ - defined(AO_HAVE_int_fetch_and_add_write) -# define AO_int_fetch_and_add_release_write(addr, val) \ - AO_int_fetch_and_add_write(addr, val) -# define AO_HAVE_int_fetch_and_add_release_write -#endif -#if !defined(AO_HAVE_int_fetch_and_add_release_write) && \ - defined(AO_HAVE_int_fetch_and_add_release) -# define AO_int_fetch_and_add_release_write(addr, val) \ - AO_int_fetch_and_add_release(addr, val) -# define AO_HAVE_int_fetch_and_add_release_write -#endif -#if !defined(AO_HAVE_int_fetch_and_add_acquire_read) && \ - defined(AO_HAVE_int_fetch_and_add_read) -# define AO_int_fetch_and_add_acquire_read(addr, val) \ - AO_int_fetch_and_add_read(addr, val) -# define AO_HAVE_int_fetch_and_add_acquire_read -#endif -#if !defined(AO_HAVE_int_fetch_and_add_acquire_read) && \ - defined(AO_HAVE_int_fetch_and_add_acquire) -# define AO_int_fetch_and_add_acquire_read(addr, val) \ - AO_int_fetch_and_add_acquire(addr, val) -# define AO_HAVE_int_fetch_and_add_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_int_fetch_and_add_acquire_read) -# define AO_int_fetch_and_add_dd_acquire_read(addr, val) \ - AO_int_fetch_and_add_acquire_read(addr, val) -# define AO_HAVE_int_fetch_and_add_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_int_fetch_and_add) -# define AO_int_fetch_and_add_dd_acquire_read(addr, val) \ - AO_int_fetch_and_add(addr, val) -# define AO_HAVE_int_fetch_and_add_dd_acquire_read -# endif -#endif - -/* int_fetch_and_add1 */ - -#if defined(AO_HAVE_int_fetch_and_add_full) &&\ - !defined(AO_HAVE_int_fetch_and_add1_full) -# define AO_int_fetch_and_add1_full(addr) \ - AO_int_fetch_and_add_full(addr,1) -# define AO_HAVE_int_fetch_and_add1_full -#endif -#if defined(AO_HAVE_int_fetch_and_add_release) &&\ - !defined(AO_HAVE_int_fetch_and_add1_release) -# define AO_int_fetch_and_add1_release(addr) \ - AO_int_fetch_and_add_release(addr,1) -# define AO_HAVE_int_fetch_and_add1_release -#endif -#if defined(AO_HAVE_int_fetch_and_add_acquire) &&\ - !defined(AO_HAVE_int_fetch_and_add1_acquire) -# define AO_int_fetch_and_add1_acquire(addr) \ - AO_int_fetch_and_add_acquire(addr,1) -# define AO_HAVE_int_fetch_and_add1_acquire -#endif -#if defined(AO_HAVE_int_fetch_and_add_write) &&\ - !defined(AO_HAVE_int_fetch_and_add1_write) -# define AO_int_fetch_and_add1_write(addr) \ - AO_int_fetch_and_add_write(addr,1) -# define AO_HAVE_int_fetch_and_add1_write -#endif -#if defined(AO_HAVE_int_fetch_and_add_read) &&\ - !defined(AO_HAVE_int_fetch_and_add1_read) -# define AO_int_fetch_and_add1_read(addr) \ - AO_int_fetch_and_add_read(addr,1) -# define AO_HAVE_int_fetch_and_add1_read -#endif -#if defined(AO_HAVE_int_fetch_and_add_release_write) &&\ - !defined(AO_HAVE_int_fetch_and_add1_release_write) -# define AO_int_fetch_and_add1_release_write(addr) \ - AO_int_fetch_and_add_release_write(addr,1) -# define AO_HAVE_int_fetch_and_add1_release_write -#endif -#if defined(AO_HAVE_int_fetch_and_add_acquire_read) &&\ - !defined(AO_HAVE_int_fetch_and_add1_acquire_read) -# define AO_int_fetch_and_add1_acquire_read(addr) \ - AO_int_fetch_and_add_acquire_read(addr,1) -# define AO_HAVE_int_fetch_and_add1_acquire_read -#endif -#if defined(AO_HAVE_int_fetch_and_add) &&\ - !defined(AO_HAVE_int_fetch_and_add1) -# define AO_int_fetch_and_add1(addr) \ - AO_int_fetch_and_add(addr,1) -# define AO_HAVE_int_fetch_and_add1 -#endif - -#if defined(AO_HAVE_int_fetch_and_add1_full) -# if !defined(AO_HAVE_int_fetch_and_add1_release) -# define AO_int_fetch_and_add1_release(addr) \ - AO_int_fetch_and_add1_full(addr) -# define AO_HAVE_int_fetch_and_add1_release -# endif -# if !defined(AO_HAVE_int_fetch_and_add1_acquire) -# define AO_int_fetch_and_add1_acquire(addr) \ - AO_int_fetch_and_add1_full(addr) -# define AO_HAVE_int_fetch_and_add1_acquire -# endif -# if !defined(AO_HAVE_int_fetch_and_add1_write) -# define AO_int_fetch_and_add1_write(addr) \ - AO_int_fetch_and_add1_full(addr) -# define AO_HAVE_int_fetch_and_add1_write -# endif -# if !defined(AO_HAVE_int_fetch_and_add1_read) -# define AO_int_fetch_and_add1_read(addr) \ - AO_int_fetch_and_add1_full(addr) -# define AO_HAVE_int_fetch_and_add1_read -# endif -#endif /* AO_HAVE_int_fetch_and_add1_full */ - -#if !defined(AO_HAVE_int_fetch_and_add1) && \ - defined(AO_HAVE_int_fetch_and_add1_release) -# define AO_int_fetch_and_add1(addr) \ - AO_int_fetch_and_add1_release(addr) -# define AO_HAVE_int_fetch_and_add1 -#endif -#if !defined(AO_HAVE_int_fetch_and_add1) && \ - defined(AO_HAVE_int_fetch_and_add1_acquire) -# define AO_int_fetch_and_add1(addr) \ - AO_int_fetch_and_add1_acquire(addr) -# define AO_HAVE_int_fetch_and_add1 -#endif -#if !defined(AO_HAVE_int_fetch_and_add1) && \ - defined(AO_HAVE_int_fetch_and_add1_write) -# define AO_int_fetch_and_add1(addr) \ - AO_int_fetch_and_add1_write(addr) -# define AO_HAVE_int_fetch_and_add1 -#endif -#if !defined(AO_HAVE_int_fetch_and_add1) && \ - defined(AO_HAVE_int_fetch_and_add1_read) -# define AO_int_fetch_and_add1(addr) \ - AO_int_fetch_and_add1_read(addr) -# define AO_HAVE_int_fetch_and_add1 -#endif - -#if defined(AO_HAVE_int_fetch_and_add1_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_int_fetch_and_add1_full) -# define AO_int_fetch_and_add1_full(addr) \ - (AO_nop_full(), AO_int_fetch_and_add1_acquire(addr)) -# define AO_HAVE_int_fetch_and_add1_full -#endif - -#if !defined(AO_HAVE_int_fetch_and_add1_release_write) && \ - defined(AO_HAVE_int_fetch_and_add1_write) -# define AO_int_fetch_and_add1_release_write(addr) \ - AO_int_fetch_and_add1_write(addr) -# define AO_HAVE_int_fetch_and_add1_release_write -#endif -#if !defined(AO_HAVE_int_fetch_and_add1_release_write) && \ - defined(AO_HAVE_int_fetch_and_add1_release) -# define AO_int_fetch_and_add1_release_write(addr) \ - AO_int_fetch_and_add1_release(addr) -# define AO_HAVE_int_fetch_and_add1_release_write -#endif -#if !defined(AO_HAVE_int_fetch_and_add1_acquire_read) && \ - defined(AO_HAVE_int_fetch_and_add1_read) -# define AO_int_fetch_and_add1_acquire_read(addr) \ - AO_int_fetch_and_add1_read(addr) -# define AO_HAVE_int_fetch_and_add1_acquire_read -#endif -#if !defined(AO_HAVE_int_fetch_and_add1_acquire_read) && \ - defined(AO_HAVE_int_fetch_and_add1_acquire) -# define AO_int_fetch_and_add1_acquire_read(addr) \ - AO_int_fetch_and_add1_acquire(addr) -# define AO_HAVE_int_fetch_and_add1_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_int_fetch_and_add1_acquire_read) -# define AO_int_fetch_and_add1_dd_acquire_read(addr) \ - AO_int_fetch_and_add1_acquire_read(addr) -# define AO_HAVE_int_fetch_and_add1_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_int_fetch_and_add1) -# define AO_int_fetch_and_add1_dd_acquire_read(addr) \ - AO_int_fetch_and_add1(addr) -# define AO_HAVE_int_fetch_and_add1_dd_acquire_read -# endif -#endif - -/* int_fetch_and_sub1 */ - -#if defined(AO_HAVE_int_fetch_and_add_full) &&\ - !defined(AO_HAVE_int_fetch_and_sub1_full) -# define AO_int_fetch_and_sub1_full(addr) \ - AO_int_fetch_and_add_full(addr,(unsigned int)(-1)) -# define AO_HAVE_int_fetch_and_sub1_full -#endif -#if defined(AO_HAVE_int_fetch_and_add_release) &&\ - !defined(AO_HAVE_int_fetch_and_sub1_release) -# define AO_int_fetch_and_sub1_release(addr) \ - AO_int_fetch_and_add_release(addr,(unsigned int)(-1)) -# define AO_HAVE_int_fetch_and_sub1_release -#endif -#if defined(AO_HAVE_int_fetch_and_add_acquire) &&\ - !defined(AO_HAVE_int_fetch_and_sub1_acquire) -# define AO_int_fetch_and_sub1_acquire(addr) \ - AO_int_fetch_and_add_acquire(addr,(unsigned int)(-1)) -# define AO_HAVE_int_fetch_and_sub1_acquire -#endif -#if defined(AO_HAVE_int_fetch_and_add_write) &&\ - !defined(AO_HAVE_int_fetch_and_sub1_write) -# define AO_int_fetch_and_sub1_write(addr) \ - AO_int_fetch_and_add_write(addr,(unsigned int)(-1)) -# define AO_HAVE_int_fetch_and_sub1_write -#endif -#if defined(AO_HAVE_int_fetch_and_add_read) &&\ - !defined(AO_HAVE_int_fetch_and_sub1_read) -# define AO_int_fetch_and_sub1_read(addr) \ - AO_int_fetch_and_add_read(addr,(unsigned int)(-1)) -# define AO_HAVE_int_fetch_and_sub1_read -#endif -#if defined(AO_HAVE_int_fetch_and_add_release_write) &&\ - !defined(AO_HAVE_int_fetch_and_sub1_release_write) -# define AO_int_fetch_and_sub1_release_write(addr) \ - AO_int_fetch_and_add_release_write(addr,(unsigned int)(-1)) -# define AO_HAVE_int_fetch_and_sub1_release_write -#endif -#if defined(AO_HAVE_int_fetch_and_add_acquire_read) &&\ - !defined(AO_HAVE_int_fetch_and_sub1_acquire_read) -# define AO_int_fetch_and_sub1_acquire_read(addr) \ - AO_int_fetch_and_add_acquire_read(addr,(unsigned int)(-1)) -# define AO_HAVE_int_fetch_and_sub1_acquire_read -#endif -#if defined(AO_HAVE_int_fetch_and_add) &&\ - !defined(AO_HAVE_int_fetch_and_sub1) -# define AO_int_fetch_and_sub1(addr) \ - AO_int_fetch_and_add(addr,(unsigned int)(-1)) -# define AO_HAVE_int_fetch_and_sub1 -#endif - -#if defined(AO_HAVE_int_fetch_and_sub1_full) -# if !defined(AO_HAVE_int_fetch_and_sub1_release) -# define AO_int_fetch_and_sub1_release(addr) \ - AO_int_fetch_and_sub1_full(addr) -# define AO_HAVE_int_fetch_and_sub1_release -# endif -# if !defined(AO_HAVE_int_fetch_and_sub1_acquire) -# define AO_int_fetch_and_sub1_acquire(addr) \ - AO_int_fetch_and_sub1_full(addr) -# define AO_HAVE_int_fetch_and_sub1_acquire -# endif -# if !defined(AO_HAVE_int_fetch_and_sub1_write) -# define AO_int_fetch_and_sub1_write(addr) \ - AO_int_fetch_and_sub1_full(addr) -# define AO_HAVE_int_fetch_and_sub1_write -# endif -# if !defined(AO_HAVE_int_fetch_and_sub1_read) -# define AO_int_fetch_and_sub1_read(addr) \ - AO_int_fetch_and_sub1_full(addr) -# define AO_HAVE_int_fetch_and_sub1_read -# endif -#endif /* AO_HAVE_int_fetch_and_sub1_full */ - -#if !defined(AO_HAVE_int_fetch_and_sub1) && \ - defined(AO_HAVE_int_fetch_and_sub1_release) -# define AO_int_fetch_and_sub1(addr) \ - AO_int_fetch_and_sub1_release(addr) -# define AO_HAVE_int_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_int_fetch_and_sub1) && \ - defined(AO_HAVE_int_fetch_and_sub1_acquire) -# define AO_int_fetch_and_sub1(addr) \ - AO_int_fetch_and_sub1_acquire(addr) -# define AO_HAVE_int_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_int_fetch_and_sub1) && \ - defined(AO_HAVE_int_fetch_and_sub1_write) -# define AO_int_fetch_and_sub1(addr) \ - AO_int_fetch_and_sub1_write(addr) -# define AO_HAVE_int_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_int_fetch_and_sub1) && \ - defined(AO_HAVE_int_fetch_and_sub1_read) -# define AO_int_fetch_and_sub1(addr) \ - AO_int_fetch_and_sub1_read(addr) -# define AO_HAVE_int_fetch_and_sub1 -#endif - -#if defined(AO_HAVE_int_fetch_and_sub1_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_int_fetch_and_sub1_full) -# define AO_int_fetch_and_sub1_full(addr) \ - (AO_nop_full(), AO_int_fetch_and_sub1_acquire(addr)) -# define AO_HAVE_int_fetch_and_sub1_full -#endif - -#if !defined(AO_HAVE_int_fetch_and_sub1_release_write) && \ - defined(AO_HAVE_int_fetch_and_sub1_write) -# define AO_int_fetch_and_sub1_release_write(addr) \ - AO_int_fetch_and_sub1_write(addr) -# define AO_HAVE_int_fetch_and_sub1_release_write -#endif -#if !defined(AO_HAVE_int_fetch_and_sub1_release_write) && \ - defined(AO_HAVE_int_fetch_and_sub1_release) -# define AO_int_fetch_and_sub1_release_write(addr) \ - AO_int_fetch_and_sub1_release(addr) -# define AO_HAVE_int_fetch_and_sub1_release_write -#endif -#if !defined(AO_HAVE_int_fetch_and_sub1_acquire_read) && \ - defined(AO_HAVE_int_fetch_and_sub1_read) -# define AO_int_fetch_and_sub1_acquire_read(addr) \ - AO_int_fetch_and_sub1_read(addr) -# define AO_HAVE_int_fetch_and_sub1_acquire_read -#endif -#if !defined(AO_HAVE_int_fetch_and_sub1_acquire_read) && \ - defined(AO_HAVE_int_fetch_and_sub1_acquire) -# define AO_int_fetch_and_sub1_acquire_read(addr) \ - AO_int_fetch_and_sub1_acquire(addr) -# define AO_HAVE_int_fetch_and_sub1_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_int_fetch_and_sub1_acquire_read) -# define AO_int_fetch_and_sub1_dd_acquire_read(addr) \ - AO_int_fetch_and_sub1_acquire_read(addr) -# define AO_HAVE_int_fetch_and_sub1_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_int_fetch_and_sub1) -# define AO_int_fetch_and_sub1_dd_acquire_read(addr) \ - AO_int_fetch_and_sub1(addr) -# define AO_HAVE_int_fetch_and_sub1_dd_acquire_read -# endif -#endif - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/generalize-small.template b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/generalize-small.template deleted file mode 100644 index b7e02b0..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/generalize-small.template +++ /dev/null @@ -1,575 +0,0 @@ -/* XSIZE_load */ -#if defined(AO_HAVE_XSIZE_load_acquire) && !defined(AO_HAVE_XSIZE_load) -# define AO_XSIZE_load(addr) AO_XSIZE_load_acquire(addr) -# define AO_HAVE_XSIZE_load -#endif - -#if defined(AO_HAVE_XSIZE_load_full) && !defined(AO_HAVE_XSIZE_load_acquire) -# define AO_XSIZE_load_acquire(addr) AO_XSIZE_load_full(addr) -# define AO_HAVE_XSIZE_load_acquire -#endif - -#if defined(AO_HAVE_XSIZE_load_full) && !defined(AO_HAVE_XSIZE_load_read) -# define AO_XSIZE_load_read(addr) AO_XSIZE_load_full(addr) -# define AO_HAVE_XSIZE_load_read -#endif - -#if !defined(AO_HAVE_XSIZE_load_acquire_read) && defined(AO_HAVE_XSIZE_load_acquire) -# define AO_XSIZE_load_acquire_read(addr) AO_XSIZE_load_acquire(addr) -# define AO_HAVE_XSIZE_load_acquire_read -#endif - -#if defined(AO_HAVE_XSIZE_load) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_XSIZE_load_acquire) - AO_INLINE unsigned XCTYPE - AO_XSIZE_load_acquire(volatile unsigned XCTYPE *addr) - { - unsigned XCTYPE result = AO_XSIZE_load(addr); - /* Acquire barrier would be useless, since the load could be delayed */ - /* beyond it. */ - AO_nop_full(); - return result; - } -# define AO_HAVE_XSIZE_load_acquire -#endif - -#if defined(AO_HAVE_XSIZE_load) && defined(AO_HAVE_nop_read) && \ - !defined(AO_HAVE_XSIZE_load_read) - AO_INLINE unsigned XCTYPE - AO_XSIZE_load_read(volatile unsigned XCTYPE *addr) - { - unsigned XCTYPE result = AO_XSIZE_load(addr); - /* Acquire barrier would be useless, since the load could be delayed */ - /* beyond it. */ - AO_nop_read(); - return result; - } -# define AO_HAVE_XSIZE_load_read -#endif - -#if defined(AO_HAVE_XSIZE_load_acquire) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_XSIZE_load_full) -# define AO_XSIZE_load_full(addr) (AO_nop_full(), AO_XSIZE_load_acquire(addr)) -# define AO_HAVE_XSIZE_load_full -#endif - -#if !defined(AO_HAVE_XSIZE_load_acquire_read) && defined(AO_HAVE_XSIZE_load_read) -# define AO_XSIZE_load_acquire_read(addr) AO_XSIZE_load_read(addr) -# define AO_HAVE_XSIZE_load_acquire_read -#endif - -#if defined(AO_HAVE_XSIZE_load_acquire_read) && !defined(AO_HAVE_XSIZE_load) -# define AO_XSIZE_load(addr) AO_XSIZE_load_acquire_read(addr) -# define AO_HAVE_XSIZE_load -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_XSIZE_load_acquire_read) -# define AO_XSIZE_load_dd_acquire_read(addr) \ - AO_XSIZE_load_acquire_read(addr) -# define AO_HAVE_XSIZE_load_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_XSIZE_load) -# define AO_XSIZE_load_dd_acquire_read(addr) \ - AO_XSIZE_load(addr) -# define AO_HAVE_XSIZE_load_dd_acquire_read -# endif -#endif - - -/* XSIZE_store */ - -#if defined(AO_HAVE_XSIZE_store_release) && !defined(AO_HAVE_XSIZE_store) -# define AO_XSIZE_store(addr, val) AO_XSIZE_store_release(addr,val) -# define AO_HAVE_XSIZE_store -#endif - -#if defined(AO_HAVE_XSIZE_store_full) && !defined(AO_HAVE_XSIZE_store_release) -# define AO_XSIZE_store_release(addr,val) AO_XSIZE_store_full(addr,val) -# define AO_HAVE_XSIZE_store_release -#endif - -#if defined(AO_HAVE_XSIZE_store_full) && !defined(AO_HAVE_XSIZE_store_write) -# define AO_XSIZE_store_write(addr,val) AO_XSIZE_store_full(addr,val) -# define AO_HAVE_XSIZE_store_write -#endif - -#if defined(AO_HAVE_XSIZE_store_release) && \ - !defined(AO_HAVE_XSIZE_store_release_write) -# define AO_XSIZE_store_release_write(addr, val) \ - AO_XSIZE_store_release(addr,val) -# define AO_HAVE_XSIZE_store_release_write -#endif - -#if defined(AO_HAVE_XSIZE_store_write) && !defined(AO_HAVE_XSIZE_store) -# define AO_XSIZE_store(addr, val) AO_XSIZE_store_write(addr,val) -# define AO_HAVE_XSIZE_store -#endif - -#if defined(AO_HAVE_XSIZE_store) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_XSIZE_store_release) -# define AO_XSIZE_store_release(addr,val) \ - (AO_nop_full(), AO_XSIZE_store(addr,val)) -# define AO_HAVE_XSIZE_store_release -#endif - -#if defined(AO_HAVE_nop_write) && defined(AO_HAVE_XSIZE_store) && \ - !defined(AO_HAVE_XSIZE_store_write) -# define AO_XSIZE_store_write(addr, val) \ - (AO_nop_write(), AO_XSIZE_store(addr,val)) -# define AO_HAVE_XSIZE_store_write -#endif - -#if defined(AO_HAVE_XSIZE_store_write) && \ - !defined(AO_HAVE_XSIZE_store_release_write) -# define AO_XSIZE_store_release_write(addr, val) AO_XSIZE_store_write(addr,val) -# define AO_HAVE_XSIZE_store_release_write -#endif - -#if defined(AO_HAVE_XSIZE_store_release) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_XSIZE_store_full) -# define AO_XSIZE_store_full(addr, val) \ - (AO_XSIZE_store_release(addr, val), AO_nop_full()) -# define AO_HAVE_XSIZE_store_full -#endif - - -/* XSIZE_fetch_and_add */ -#if defined(AO_HAVE_XSIZE_compare_and_swap_full) && \ - !defined(AO_HAVE_XSIZE_fetch_and_add_full) - AO_INLINE AO_t - AO_XSIZE_fetch_and_add_full(volatile unsigned XCTYPE *addr, - unsigned XCTYPE incr) - { - unsigned XCTYPE old; - do - { - old = *addr; - } - while (!AO_XSIZE_compare_and_swap_full(addr, old, old+incr)); - return old; - } -# define AO_HAVE_XSIZE_fetch_and_add_full -#endif - -#if defined(AO_HAVE_XSIZE_compare_and_swap_acquire) && \ - !defined(AO_HAVE_XSIZE_fetch_and_add_acquire) - AO_INLINE AO_t - AO_XSIZE_fetch_and_add_acquire(volatile unsigned XCTYPE *addr, - unsigned XCTYPE incr) - { - unsigned XCTYPE old; - do - { - old = *addr; - } - while (!AO_XSIZE_compare_and_swap_acquire(addr, old, old+incr)); - return old; - } -# define AO_HAVE_XSIZE_fetch_and_add_acquire -#endif - -#if defined(AO_HAVE_XSIZE_compare_and_swap_release) && \ - !defined(AO_HAVE_XSIZE_fetch_and_add_release) - AO_INLINE AO_t - AO_XSIZE_fetch_and_add_release(volatile unsigned XCTYPE *addr, - unsigned XCTYPE incr) - { - unsigned XCTYPE old; - do - { - old = *addr; - } - while (!AO_XSIZE_compare_and_swap_release(addr, old, old+incr)); - return old; - } -# define AO_HAVE_XSIZE_fetch_and_add_release -#endif - -#if defined(AO_HAVE_XSIZE_fetch_and_add_full) -# if !defined(AO_HAVE_XSIZE_fetch_and_add_release) -# define AO_XSIZE_fetch_and_add_release(addr, val) \ - AO_XSIZE_fetch_and_add_full(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add_release -# endif -# if !defined(AO_HAVE_XSIZE_fetch_and_add_acquire) -# define AO_XSIZE_fetch_and_add_acquire(addr, val) \ - AO_XSIZE_fetch_and_add_full(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add_acquire -# endif -# if !defined(AO_HAVE_XSIZE_fetch_and_add_write) -# define AO_XSIZE_fetch_and_add_write(addr, val) \ - AO_XSIZE_fetch_and_add_full(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add_write -# endif -# if !defined(AO_HAVE_XSIZE_fetch_and_add_read) -# define AO_XSIZE_fetch_and_add_read(addr, val) \ - AO_XSIZE_fetch_and_add_full(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add_read -# endif -#endif /* AO_HAVE_XSIZE_fetch_and_add_full */ - -#if !defined(AO_HAVE_XSIZE_fetch_and_add) && \ - defined(AO_HAVE_XSIZE_fetch_and_add_release) -# define AO_XSIZE_fetch_and_add(addr, val) \ - AO_XSIZE_fetch_and_add_release(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add) && \ - defined(AO_HAVE_XSIZE_fetch_and_add_acquire) -# define AO_XSIZE_fetch_and_add(addr, val) \ - AO_XSIZE_fetch_and_add_acquire(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add) && \ - defined(AO_HAVE_XSIZE_fetch_and_add_write) -# define AO_XSIZE_fetch_and_add(addr, val) \ - AO_XSIZE_fetch_and_add_write(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add) && \ - defined(AO_HAVE_XSIZE_fetch_and_add_read) -# define AO_XSIZE_fetch_and_add(addr, val) \ - AO_XSIZE_fetch_and_add_read(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add -#endif - -#if defined(AO_HAVE_XSIZE_fetch_and_add_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_XSIZE_fetch_and_add_full) -# define AO_XSIZE_fetch_and_add_full(addr, val) \ - (AO_nop_full(), AO_XSIZE_fetch_and_add_acquire(addr, val)) -#endif - -#if !defined(AO_HAVE_XSIZE_fetch_and_add_release_write) && \ - defined(AO_HAVE_XSIZE_fetch_and_add_write) -# define AO_XSIZE_fetch_and_add_release_write(addr, val) \ - AO_XSIZE_fetch_and_add_write(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add_release_write -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add_release_write) && \ - defined(AO_HAVE_XSIZE_fetch_and_add_release) -# define AO_XSIZE_fetch_and_add_release_write(addr, val) \ - AO_XSIZE_fetch_and_add_release(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add_release_write -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add_acquire_read) && \ - defined(AO_HAVE_XSIZE_fetch_and_add_read) -# define AO_XSIZE_fetch_and_add_acquire_read(addr, val) \ - AO_XSIZE_fetch_and_add_read(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add_acquire_read -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add_acquire_read) && \ - defined(AO_HAVE_XSIZE_fetch_and_add_acquire) -# define AO_XSIZE_fetch_and_add_acquire_read(addr, val) \ - AO_XSIZE_fetch_and_add_acquire(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_XSIZE_fetch_and_add_acquire_read) -# define AO_XSIZE_fetch_and_add_dd_acquire_read(addr, val) \ - AO_XSIZE_fetch_and_add_acquire_read(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_XSIZE_fetch_and_add) -# define AO_XSIZE_fetch_and_add_dd_acquire_read(addr, val) \ - AO_XSIZE_fetch_and_add(addr, val) -# define AO_HAVE_XSIZE_fetch_and_add_dd_acquire_read -# endif -#endif - -/* XSIZE_fetch_and_add1 */ - -#if defined(AO_HAVE_XSIZE_fetch_and_add_full) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_add1_full) -# define AO_XSIZE_fetch_and_add1_full(addr) \ - AO_XSIZE_fetch_and_add_full(addr,1) -# define AO_HAVE_XSIZE_fetch_and_add1_full -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_release) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_add1_release) -# define AO_XSIZE_fetch_and_add1_release(addr) \ - AO_XSIZE_fetch_and_add_release(addr,1) -# define AO_HAVE_XSIZE_fetch_and_add1_release -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_acquire) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_add1_acquire) -# define AO_XSIZE_fetch_and_add1_acquire(addr) \ - AO_XSIZE_fetch_and_add_acquire(addr,1) -# define AO_HAVE_XSIZE_fetch_and_add1_acquire -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_write) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_add1_write) -# define AO_XSIZE_fetch_and_add1_write(addr) \ - AO_XSIZE_fetch_and_add_write(addr,1) -# define AO_HAVE_XSIZE_fetch_and_add1_write -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_read) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_add1_read) -# define AO_XSIZE_fetch_and_add1_read(addr) \ - AO_XSIZE_fetch_and_add_read(addr,1) -# define AO_HAVE_XSIZE_fetch_and_add1_read -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_release_write) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_add1_release_write) -# define AO_XSIZE_fetch_and_add1_release_write(addr) \ - AO_XSIZE_fetch_and_add_release_write(addr,1) -# define AO_HAVE_XSIZE_fetch_and_add1_release_write -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_acquire_read) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_add1_acquire_read) -# define AO_XSIZE_fetch_and_add1_acquire_read(addr) \ - AO_XSIZE_fetch_and_add_acquire_read(addr,1) -# define AO_HAVE_XSIZE_fetch_and_add1_acquire_read -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_add1) -# define AO_XSIZE_fetch_and_add1(addr) \ - AO_XSIZE_fetch_and_add(addr,1) -# define AO_HAVE_XSIZE_fetch_and_add1 -#endif - -#if defined(AO_HAVE_XSIZE_fetch_and_add1_full) -# if !defined(AO_HAVE_XSIZE_fetch_and_add1_release) -# define AO_XSIZE_fetch_and_add1_release(addr) \ - AO_XSIZE_fetch_and_add1_full(addr) -# define AO_HAVE_XSIZE_fetch_and_add1_release -# endif -# if !defined(AO_HAVE_XSIZE_fetch_and_add1_acquire) -# define AO_XSIZE_fetch_and_add1_acquire(addr) \ - AO_XSIZE_fetch_and_add1_full(addr) -# define AO_HAVE_XSIZE_fetch_and_add1_acquire -# endif -# if !defined(AO_HAVE_XSIZE_fetch_and_add1_write) -# define AO_XSIZE_fetch_and_add1_write(addr) \ - AO_XSIZE_fetch_and_add1_full(addr) -# define AO_HAVE_XSIZE_fetch_and_add1_write -# endif -# if !defined(AO_HAVE_XSIZE_fetch_and_add1_read) -# define AO_XSIZE_fetch_and_add1_read(addr) \ - AO_XSIZE_fetch_and_add1_full(addr) -# define AO_HAVE_XSIZE_fetch_and_add1_read -# endif -#endif /* AO_HAVE_XSIZE_fetch_and_add1_full */ - -#if !defined(AO_HAVE_XSIZE_fetch_and_add1) && \ - defined(AO_HAVE_XSIZE_fetch_and_add1_release) -# define AO_XSIZE_fetch_and_add1(addr) \ - AO_XSIZE_fetch_and_add1_release(addr) -# define AO_HAVE_XSIZE_fetch_and_add1 -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add1) && \ - defined(AO_HAVE_XSIZE_fetch_and_add1_acquire) -# define AO_XSIZE_fetch_and_add1(addr) \ - AO_XSIZE_fetch_and_add1_acquire(addr) -# define AO_HAVE_XSIZE_fetch_and_add1 -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add1) && \ - defined(AO_HAVE_XSIZE_fetch_and_add1_write) -# define AO_XSIZE_fetch_and_add1(addr) \ - AO_XSIZE_fetch_and_add1_write(addr) -# define AO_HAVE_XSIZE_fetch_and_add1 -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add1) && \ - defined(AO_HAVE_XSIZE_fetch_and_add1_read) -# define AO_XSIZE_fetch_and_add1(addr) \ - AO_XSIZE_fetch_and_add1_read(addr) -# define AO_HAVE_XSIZE_fetch_and_add1 -#endif - -#if defined(AO_HAVE_XSIZE_fetch_and_add1_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_XSIZE_fetch_and_add1_full) -# define AO_XSIZE_fetch_and_add1_full(addr) \ - (AO_nop_full(), AO_XSIZE_fetch_and_add1_acquire(addr)) -# define AO_HAVE_XSIZE_fetch_and_add1_full -#endif - -#if !defined(AO_HAVE_XSIZE_fetch_and_add1_release_write) && \ - defined(AO_HAVE_XSIZE_fetch_and_add1_write) -# define AO_XSIZE_fetch_and_add1_release_write(addr) \ - AO_XSIZE_fetch_and_add1_write(addr) -# define AO_HAVE_XSIZE_fetch_and_add1_release_write -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add1_release_write) && \ - defined(AO_HAVE_XSIZE_fetch_and_add1_release) -# define AO_XSIZE_fetch_and_add1_release_write(addr) \ - AO_XSIZE_fetch_and_add1_release(addr) -# define AO_HAVE_XSIZE_fetch_and_add1_release_write -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add1_acquire_read) && \ - defined(AO_HAVE_XSIZE_fetch_and_add1_read) -# define AO_XSIZE_fetch_and_add1_acquire_read(addr) \ - AO_XSIZE_fetch_and_add1_read(addr) -# define AO_HAVE_XSIZE_fetch_and_add1_acquire_read -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_add1_acquire_read) && \ - defined(AO_HAVE_XSIZE_fetch_and_add1_acquire) -# define AO_XSIZE_fetch_and_add1_acquire_read(addr) \ - AO_XSIZE_fetch_and_add1_acquire(addr) -# define AO_HAVE_XSIZE_fetch_and_add1_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_XSIZE_fetch_and_add1_acquire_read) -# define AO_XSIZE_fetch_and_add1_dd_acquire_read(addr) \ - AO_XSIZE_fetch_and_add1_acquire_read(addr) -# define AO_HAVE_XSIZE_fetch_and_add1_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_XSIZE_fetch_and_add1) -# define AO_XSIZE_fetch_and_add1_dd_acquire_read(addr) \ - AO_XSIZE_fetch_and_add1(addr) -# define AO_HAVE_XSIZE_fetch_and_add1_dd_acquire_read -# endif -#endif - -/* XSIZE_fetch_and_sub1 */ - -#if defined(AO_HAVE_XSIZE_fetch_and_add_full) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_sub1_full) -# define AO_XSIZE_fetch_and_sub1_full(addr) \ - AO_XSIZE_fetch_and_add_full(addr,(unsigned XCTYPE)(-1)) -# define AO_HAVE_XSIZE_fetch_and_sub1_full -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_release) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_sub1_release) -# define AO_XSIZE_fetch_and_sub1_release(addr) \ - AO_XSIZE_fetch_and_add_release(addr,(unsigned XCTYPE)(-1)) -# define AO_HAVE_XSIZE_fetch_and_sub1_release -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_acquire) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire) -# define AO_XSIZE_fetch_and_sub1_acquire(addr) \ - AO_XSIZE_fetch_and_add_acquire(addr,(unsigned XCTYPE)(-1)) -# define AO_HAVE_XSIZE_fetch_and_sub1_acquire -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_write) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_sub1_write) -# define AO_XSIZE_fetch_and_sub1_write(addr) \ - AO_XSIZE_fetch_and_add_write(addr,(unsigned XCTYPE)(-1)) -# define AO_HAVE_XSIZE_fetch_and_sub1_write -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_read) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_sub1_read) -# define AO_XSIZE_fetch_and_sub1_read(addr) \ - AO_XSIZE_fetch_and_add_read(addr,(unsigned XCTYPE)(-1)) -# define AO_HAVE_XSIZE_fetch_and_sub1_read -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_release_write) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_sub1_release_write) -# define AO_XSIZE_fetch_and_sub1_release_write(addr) \ - AO_XSIZE_fetch_and_add_release_write(addr,(unsigned XCTYPE)(-1)) -# define AO_HAVE_XSIZE_fetch_and_sub1_release_write -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add_acquire_read) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire_read) -# define AO_XSIZE_fetch_and_sub1_acquire_read(addr) \ - AO_XSIZE_fetch_and_add_acquire_read(addr,(unsigned XCTYPE)(-1)) -# define AO_HAVE_XSIZE_fetch_and_sub1_acquire_read -#endif -#if defined(AO_HAVE_XSIZE_fetch_and_add) &&\ - !defined(AO_HAVE_XSIZE_fetch_and_sub1) -# define AO_XSIZE_fetch_and_sub1(addr) \ - AO_XSIZE_fetch_and_add(addr,(unsigned XCTYPE)(-1)) -# define AO_HAVE_XSIZE_fetch_and_sub1 -#endif - -#if defined(AO_HAVE_XSIZE_fetch_and_sub1_full) -# if !defined(AO_HAVE_XSIZE_fetch_and_sub1_release) -# define AO_XSIZE_fetch_and_sub1_release(addr) \ - AO_XSIZE_fetch_and_sub1_full(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1_release -# endif -# if !defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire) -# define AO_XSIZE_fetch_and_sub1_acquire(addr) \ - AO_XSIZE_fetch_and_sub1_full(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1_acquire -# endif -# if !defined(AO_HAVE_XSIZE_fetch_and_sub1_write) -# define AO_XSIZE_fetch_and_sub1_write(addr) \ - AO_XSIZE_fetch_and_sub1_full(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1_write -# endif -# if !defined(AO_HAVE_XSIZE_fetch_and_sub1_read) -# define AO_XSIZE_fetch_and_sub1_read(addr) \ - AO_XSIZE_fetch_and_sub1_full(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1_read -# endif -#endif /* AO_HAVE_XSIZE_fetch_and_sub1_full */ - -#if !defined(AO_HAVE_XSIZE_fetch_and_sub1) && \ - defined(AO_HAVE_XSIZE_fetch_and_sub1_release) -# define AO_XSIZE_fetch_and_sub1(addr) \ - AO_XSIZE_fetch_and_sub1_release(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_sub1) && \ - defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire) -# define AO_XSIZE_fetch_and_sub1(addr) \ - AO_XSIZE_fetch_and_sub1_acquire(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_sub1) && \ - defined(AO_HAVE_XSIZE_fetch_and_sub1_write) -# define AO_XSIZE_fetch_and_sub1(addr) \ - AO_XSIZE_fetch_and_sub1_write(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_sub1) && \ - defined(AO_HAVE_XSIZE_fetch_and_sub1_read) -# define AO_XSIZE_fetch_and_sub1(addr) \ - AO_XSIZE_fetch_and_sub1_read(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1 -#endif - -#if defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_XSIZE_fetch_and_sub1_full) -# define AO_XSIZE_fetch_and_sub1_full(addr) \ - (AO_nop_full(), AO_XSIZE_fetch_and_sub1_acquire(addr)) -# define AO_HAVE_XSIZE_fetch_and_sub1_full -#endif - -#if !defined(AO_HAVE_XSIZE_fetch_and_sub1_release_write) && \ - defined(AO_HAVE_XSIZE_fetch_and_sub1_write) -# define AO_XSIZE_fetch_and_sub1_release_write(addr) \ - AO_XSIZE_fetch_and_sub1_write(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1_release_write -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_sub1_release_write) && \ - defined(AO_HAVE_XSIZE_fetch_and_sub1_release) -# define AO_XSIZE_fetch_and_sub1_release_write(addr) \ - AO_XSIZE_fetch_and_sub1_release(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1_release_write -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire_read) && \ - defined(AO_HAVE_XSIZE_fetch_and_sub1_read) -# define AO_XSIZE_fetch_and_sub1_acquire_read(addr) \ - AO_XSIZE_fetch_and_sub1_read(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1_acquire_read -#endif -#if !defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire_read) && \ - defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire) -# define AO_XSIZE_fetch_and_sub1_acquire_read(addr) \ - AO_XSIZE_fetch_and_sub1_acquire(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire_read) -# define AO_XSIZE_fetch_and_sub1_dd_acquire_read(addr) \ - AO_XSIZE_fetch_and_sub1_acquire_read(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_XSIZE_fetch_and_sub1) -# define AO_XSIZE_fetch_and_sub1_dd_acquire_read(addr) \ - AO_XSIZE_fetch_and_sub1(addr) -# define AO_HAVE_XSIZE_fetch_and_sub1_dd_acquire_read -# endif -#endif - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/generalize.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/generalize.h deleted file mode 100644 index bfcf2d7..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/generalize.h +++ /dev/null @@ -1,1355 +0,0 @@ -/* - * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Generalize atomic operations for atomic_ops.h. - * Should not be included directly. - * - * We make no attempt to define useless operations, such as - * AO_nop_acquire - * AO_nop_release - * - * We have also so far neglected to define some others, which - * do not appear likely to be useful, e.g. stores with acquire - * or read barriers. - * - * This file is sometimes included twice by atomic_ops.h. - * All definitions include explicit checks that we are not replacing - * an earlier definition. In general, more desirable expansions - * appear earlier so that we are more likely to use them. - * - * We only make safe generalizations, except that by default we define - * the ...dd_acquire_read operations to be equivalent to those without - * a barrier. On platforms for which this is unsafe, the platform-specific - * file must define AO_NO_DD_ORDERING. - */ - -#ifndef ATOMIC_OPS_H -# error Atomic_ops_generalize.h should not be included directly. -#endif - -#if AO_CHAR_TS_T -# define AO_TS_COMPARE_AND_SWAP_FULL(a,o,n) \ - AO_char_compare_and_swap_full(a,o,n) -# define AO_TS_COMPARE_AND_SWAP_ACQUIRE(a,o,n) \ - AO_char_compare_and_swap_acquire(a,o,n) -# define AO_TS_COMPARE_AND_SWAP_RELEASE(a,o,n) \ - AO_char_compare_and_swap_release(a,o,n) -# define AO_TS_COMPARE_AND_SWAP(a,o,n) \ - AO_char_compare_and_swap(a,o,n) -#endif - -#if AO_AO_TS_T -# define AO_TS_COMPARE_AND_SWAP_FULL(a,o,n) \ - AO_compare_and_swap_full(a,o,n) -# define AO_TS_COMPARE_AND_SWAP_ACQUIRE(a,o,n) \ - AO_compare_and_swap_acquire(a,o,n) -# define AO_TS_COMPARE_AND_SWAP_RELEASE(a,o,n) \ - AO_compare_and_swap_release(a,o,n) -# define AO_TS_COMPARE_AND_SWAP(a,o,n) \ - AO_compare_and_swap(a,o,n) -#endif - -/* Generate test_and_set_full, if necessary and possible. */ -#if !defined(AO_HAVE_test_and_set) && \ - !defined(AO_HAVE_test_and_set_release) && \ - !defined(AO_HAVE_test_and_set_acquire) && \ - !defined(AO_HAVE_test_and_set_read) && \ - !defined(AO_HAVE_test_and_set_full) -# if AO_AO_TS_T && defined(AO_HAVE_compare_and_swap_full) || \ - AO_CHAR_TS_T && defined(AO_HAVE_char_compare_and_swap_full) - AO_INLINE AO_TS_VAL_t - AO_test_and_set_full(volatile AO_TS_t *addr) - { - if (AO_TS_COMPARE_AND_SWAP_FULL(addr, AO_TS_CLEAR, AO_TS_SET)) - return AO_TS_CLEAR; - else - return AO_TS_SET; - } -# define AO_HAVE_test_and_set_full -# endif /* AO_HAVE_compare_and_swap_full */ - -# if AO_AO_TS_T && defined(AO_HAVE_compare_and_swap_acquire) || \ - AO_CHAR_TS_T && defined(AO_HAVE_char_compare_and_swap_acquire) - AO_INLINE AO_TS_VAL_t - AO_test_and_set_acquire(volatile AO_TS_t *addr) - { - if (AO_TS_COMPARE_AND_SWAP_ACQUIRE(addr, AO_TS_CLEAR, AO_TS_SET)) - return AO_TS_CLEAR; - else - return AO_TS_SET; - } -# define AO_HAVE_test_and_set_acquire -# endif /* AO_HAVE_compare_and_swap_acquire */ - -# if AO_AO_TS_T && defined(AO_HAVE_compare_and_swap_release) || \ - AO_CHAR_TS_T && defined(AO_HAVE_char_compare_and_swap_release) - AO_INLINE AO_TS_VAL_t - AO_test_and_set_release(volatile AO_TS_t *addr) - { - if (AO_TS_COMPARE_AND_SWAP_RELEASE(addr, AO_TS_CLEAR, AO_TS_SET)) - return AO_TS_CLEAR; - else - return AO_TS_SET; - } -# define AO_HAVE_test_and_set_release -# endif /* AO_HAVE_compare_and_swap_release */ - -# if AO_AO_TS_T && defined(AO_HAVE_compare_and_swap) || \ - AO_CHAR_TS_T && defined(AO_HAVE_char_compare_and_swap) - AO_INLINE AO_TS_VAL_t - AO_test_and_set(volatile AO_TS_t *addr) - { - if (AO_TS_COMPARE_AND_SWAP(addr, AO_TS_CLEAR, AO_TS_SET)) - return AO_TS_CLEAR; - else - return AO_TS_SET; - } -# define AO_HAVE_test_and_set -# endif /* AO_HAVE_compare_and_swap */ - -# if defined(AO_HAVE_test_and_set) && defined(AO_HAVE_nop_full) \ - && !defined(AO_HAVE_test_and_set_acquire) - AO_INLINE AO_TS_VAL_t - AO_test_and_set_acquire(volatile AO_TS_t *addr) - { - AO_TS_VAL_t result = AO_test_and_set(addr); - AO_nop_full(); - return result; - } -# define AO_HAVE_test_and_set_acquire -# endif - -#endif /* No prior test and set */ - -/* Nop */ -#if !defined(AO_HAVE_nop) - AO_INLINE void AO_nop(void) {} -# define AO_HAVE_nop -#endif - -#if defined(AO_HAVE_test_and_set_full) && !defined(AO_HAVE_nop_full) - AO_INLINE void - AO_nop_full() - { - AO_TS_t dummy = AO_TS_INITIALIZER; - AO_test_and_set_full(&dummy); - } -# define AO_HAVE_nop_full -#endif - -#if defined(AO_HAVE_nop_acquire) -# error AO_nop_acquire is useless: dont define. -#endif -#if defined(AO_HAVE_nop_release) -# error AO_nop_release is useless: dont define. -#endif - -#if defined(AO_HAVE_nop_full) && !defined(AO_HAVE_nop_read) -# define AO_nop_read() AO_nop_full() -# define AO_HAVE_nop_read -#endif - -#if defined(AO_HAVE_nop_full) && !defined(AO_HAVE_nop_write) -# define AO_nop_write() AO_nop_full() -# define AO_HAVE_nop_write -#endif - -/* Load */ -#if defined(AO_HAVE_load_full) && !defined(AO_HAVE_load_acquire) -# define AO_load_acquire(addr) AO_load_full(addr) -# define AO_HAVE_load_acquire -#endif - -#if defined(AO_HAVE_load_acquire) && !defined(AO_HAVE_load) -# define AO_load(addr) AO_load_acquire(addr) -# define AO_HAVE_load -#endif - -#if defined(AO_HAVE_load_full) && !defined(AO_HAVE_load_read) -# define AO_load_read(addr) AO_load_full(addr) -# define AO_HAVE_load_read -#endif - -#if !defined(AO_HAVE_load_acquire_read) && defined(AO_HAVE_load_acquire) -# define AO_load_acquire_read(addr) AO_load_acquire(addr) -# define AO_HAVE_load_acquire_read -#endif - -#if defined(AO_HAVE_load) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_load_acquire) - AO_INLINE AO_t - AO_load_acquire(volatile AO_t *addr) - { - AO_t result = AO_load(addr); - /* Acquire barrier would be useless, since the load could be delayed */ - /* beyond it. */ - AO_nop_full(); - return result; - } -# define AO_HAVE_load_acquire -#endif - -#if defined(AO_HAVE_load) && defined(AO_HAVE_nop_read) && \ - !defined(AO_HAVE_load_read) - AO_INLINE AO_t - AO_load_read(volatile AO_t *addr) - { - AO_t result = AO_load(addr); - /* Acquire barrier would be useless, since the load could be delayed */ - /* beyond it. */ - AO_nop_read(); - return result; - } -# define AO_HAVE_load_read -#endif - -#if defined(AO_HAVE_load_acquire) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_load_full) -# define AO_load_full(addr) (AO_nop_full(), AO_load_acquire(addr)) -# define AO_HAVE_load_full -#endif - -#if !defined(AO_HAVE_load_acquire_read) && defined(AO_HAVE_load_read) -# define AO_load_acquire_read(addr) AO_load_read(addr) -# define AO_HAVE_load_acquire_read -#endif - -#if defined(AO_HAVE_load_acquire_read) && !defined(AO_HAVE_load) -# define AO_load(addr) AO_load_acquire_read(addr) -# define AO_HAVE_load -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_load_acquire_read) -# define AO_load_dd_acquire_read(addr) AO_load_acquire_read(addr) -# define AO_HAVE_load_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_load) -# define AO_load_dd_acquire_read(addr) AO_load(addr) -# define AO_HAVE_load_dd_acquire_read -# endif -#endif - - -/* Store */ - -#if defined(AO_HAVE_store_full) && !defined(AO_HAVE_store_release) -# define AO_store_release(addr,val) AO_store_full(addr,val) -# define AO_HAVE_store_release -#endif - -#if defined(AO_HAVE_store_release) && !defined(AO_HAVE_store) -# define AO_store(addr, val) AO_store_release(addr,val) -# define AO_HAVE_store -#endif - -#if defined(AO_HAVE_store_full) && !defined(AO_HAVE_store_write) -# define AO_store_write(addr,val) AO_store_full(addr,val) -# define AO_HAVE_store_write -#endif - -#if defined(AO_HAVE_store_release) && !defined(AO_HAVE_store_release_write) -# define AO_store_release_write(addr, val) AO_store_release(addr,val) -# define AO_HAVE_store_release_write -#endif - -#if defined(AO_HAVE_store_write) && !defined(AO_HAVE_store) -# define AO_store(addr, val) AO_store_write(addr,val) -# define AO_HAVE_store -#endif - -#if defined(AO_HAVE_store) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_store_release) -# define AO_store_release(addr,val) (AO_nop_full(), AO_store(addr,val)) -# define AO_HAVE_store_release -#endif - -#if defined(AO_HAVE_nop_write) && defined(AO_HAVE_store) && \ - !defined(AO_HAVE_store_write) -# define AO_store_write(addr, val) (AO_nop_write(), AO_store(addr,val)) -# define AO_HAVE_store_write -#endif - -#if defined(AO_HAVE_store_write) && !defined(AO_HAVE_store_release_write) -# define AO_store_release_write(addr, val) AO_store_write(addr,val) -# define AO_HAVE_store_release_write -#endif - -#if defined(AO_HAVE_store_release) && defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_store_full) -# define AO_store_full(addr, val) (AO_store_release(addr, val), AO_nop_full()) -# define AO_HAVE_store_full -#endif - -/* NEC LE-IT: Test and set */ -#if defined(AO_HAVE_test_and_set) && \ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_test_and_set_release) -# define AO_test_and_set_release(addr) \ - (AO_nop_full(), AO_test_and_set(addr)) -# define AO_HAVE_test_and_set_release -#endif - -#if defined(AO_HAVE_test_and_set) && \ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_test_and_set_acquire) -AO_INLINE AO_TS_t -AO_test_and_set_acquire(volatile AO_TS_t *addr) -{ - AO_TS_t res = AO_test_and_set(addr); - AO_nop_full(); - return res; -} -# define AO_HAVE_test_and_set_acquire -#endif - - -/* Fetch_and_add */ -/* We first try to implement fetch_and_add variants in terms */ -/* of the corresponding compare_and_swap variants to minimize */ -/* adding barriers. */ -#if defined(AO_HAVE_compare_and_swap_full) && \ - !defined(AO_HAVE_fetch_and_add_full) - AO_INLINE AO_t - AO_fetch_and_add_full(volatile AO_t *addr, AO_t incr) - { - AO_t old; - do - { - old = *addr; - } - while (!AO_compare_and_swap_full(addr, old, old+incr)); - return old; - } -# define AO_HAVE_fetch_and_add_full -#endif - -#if defined(AO_HAVE_compare_and_swap_acquire) && \ - !defined(AO_HAVE_fetch_and_add_acquire) - AO_INLINE AO_t - AO_fetch_and_add_acquire(volatile AO_t *addr, AO_t incr) - { - AO_t old; - do - { - old = *addr; - } - while (!AO_compare_and_swap_acquire(addr, old, old+incr)); - return old; - } -# define AO_HAVE_fetch_and_add_acquire -#endif - -#if defined(AO_HAVE_compare_and_swap_release) && \ - !defined(AO_HAVE_fetch_and_add_release) - AO_INLINE AO_t - AO_fetch_and_add_release(volatile AO_t *addr, AO_t incr) - { - AO_t old; - do - { - old = *addr; - } - while (!AO_compare_and_swap_release(addr, old, old+incr)); - return old; - } -# define AO_HAVE_fetch_and_add_release -#endif - -#if defined(AO_HAVE_compare_and_swap) && \ - !defined(AO_HAVE_fetch_and_add) - AO_INLINE AO_t - AO_fetch_and_add(volatile AO_t *addr, AO_t incr) - { - AO_t old; - do - { - old = *addr; - } - while (!AO_compare_and_swap(addr, old, old+incr)); - return old; - } -# define AO_HAVE_fetch_and_add -#endif - -#if defined(AO_HAVE_fetch_and_add_full) -# if !defined(AO_HAVE_fetch_and_add_release) -# define AO_fetch_and_add_release(addr, val) \ - AO_fetch_and_add_full(addr, val) -# define AO_HAVE_fetch_and_add_release -# endif -# if !defined(AO_HAVE_fetch_and_add_acquire) -# define AO_fetch_and_add_acquire(addr, val) \ - AO_fetch_and_add_full(addr, val) -# define AO_HAVE_fetch_and_add_acquire -# endif -# if !defined(AO_HAVE_fetch_and_add_write) -# define AO_fetch_and_add_write(addr, val) \ - AO_fetch_and_add_full(addr, val) -# define AO_HAVE_fetch_and_add_write -# endif -# if !defined(AO_HAVE_fetch_and_add_read) -# define AO_fetch_and_add_read(addr, val) \ - AO_fetch_and_add_full(addr, val) -# define AO_HAVE_fetch_and_add_read -# endif -#endif /* AO_HAVE_fetch_and_add_full */ - -#if !defined(AO_HAVE_fetch_and_add) && \ - defined(AO_HAVE_fetch_and_add_release) -# define AO_fetch_and_add(addr, val) \ - AO_fetch_and_add_release(addr, val) -# define AO_HAVE_fetch_and_add -#endif -#if !defined(AO_HAVE_fetch_and_add) && \ - defined(AO_HAVE_fetch_and_add_acquire) -# define AO_fetch_and_add(addr, val) \ - AO_fetch_and_add_acquire(addr, val) -# define AO_HAVE_fetch_and_add -#endif -#if !defined(AO_HAVE_fetch_and_add) && \ - defined(AO_HAVE_fetch_and_add_write) -# define AO_fetch_and_add(addr, val) \ - AO_fetch_and_add_write(addr, val) -# define AO_HAVE_fetch_and_add -#endif -#if !defined(AO_HAVE_fetch_and_add) && \ - defined(AO_HAVE_fetch_and_add_read) -# define AO_fetch_and_add(addr, val) \ - AO_fetch_and_add_read(addr, val) -# define AO_HAVE_fetch_and_add -#endif - -#if defined(AO_HAVE_fetch_and_add_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_fetch_and_add_full) -# define AO_fetch_and_add_full(addr, val) \ - (AO_nop_full(), AO_fetch_and_add_acquire(addr, val)) -# define AO_HAVE_fetch_and_add_full -#endif - -#if !defined(AO_HAVE_fetch_and_add_release_write) && \ - defined(AO_HAVE_fetch_and_add_write) -# define AO_fetch_and_add_release_write(addr, val) \ - AO_fetch_and_add_write(addr, val) -# define AO_HAVE_fetch_and_add_release_write -#endif -#if !defined(AO_HAVE_fetch_and_add_release_write) && \ - defined(AO_HAVE_fetch_and_add_release) -# define AO_fetch_and_add_release_write(addr, val) \ - AO_fetch_and_add_release(addr, val) -# define AO_HAVE_fetch_and_add_release_write -#endif -#if !defined(AO_HAVE_fetch_and_add_acquire_read) && \ - defined(AO_HAVE_fetch_and_add_read) -# define AO_fetch_and_add_acquire_read(addr, val) \ - AO_fetch_and_add_read(addr, val) -# define AO_HAVE_fetch_and_add_acquire_read -#endif -#if !defined(AO_HAVE_fetch_and_add_acquire_read) && \ - defined(AO_HAVE_fetch_and_add_acquire) -# define AO_fetch_and_add_acquire_read(addr, val) \ - AO_fetch_and_add_acquire(addr, val) -# define AO_HAVE_fetch_and_add_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_fetch_and_add_acquire_read) -# define AO_fetch_and_add_dd_acquire_read(addr, val) \ - AO_fetch_and_add_acquire_read(addr, val) -# define AO_HAVE_fetch_and_add_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_fetch_and_add) -# define AO_fetch_and_add_dd_acquire_read(addr, val) \ - AO_fetch_and_add(addr, val) -# define AO_HAVE_fetch_and_add_dd_acquire_read -# endif -#endif - -/* Fetch_and_add1 */ - -#if defined(AO_HAVE_fetch_and_add_full) &&\ - !defined(AO_HAVE_fetch_and_add1_full) -# define AO_fetch_and_add1_full(addr) AO_fetch_and_add_full(addr,1) -# define AO_HAVE_fetch_and_add1_full -#endif -#if defined(AO_HAVE_fetch_and_add_release) &&\ - !defined(AO_HAVE_fetch_and_add1_release) -# define AO_fetch_and_add1_release(addr) AO_fetch_and_add_release(addr,1) -# define AO_HAVE_fetch_and_add1_release -#endif -#if defined(AO_HAVE_fetch_and_add_acquire) &&\ - !defined(AO_HAVE_fetch_and_add1_acquire) -# define AO_fetch_and_add1_acquire(addr) AO_fetch_and_add_acquire(addr,1) -# define AO_HAVE_fetch_and_add1_acquire -#endif -#if defined(AO_HAVE_fetch_and_add_write) &&\ - !defined(AO_HAVE_fetch_and_add1_write) -# define AO_fetch_and_add1_write(addr) AO_fetch_and_add_write(addr,1) -# define AO_HAVE_fetch_and_add1_write -#endif -#if defined(AO_HAVE_fetch_and_add_read) &&\ - !defined(AO_HAVE_fetch_and_add1_read) -# define AO_fetch_and_add1_read(addr) AO_fetch_and_add_read(addr,1) -# define AO_HAVE_fetch_and_add1_read -#endif -#if defined(AO_HAVE_fetch_and_add_release_write) &&\ - !defined(AO_HAVE_fetch_and_add1_release_write) -# define AO_fetch_and_add1_release_write(addr) \ - AO_fetch_and_add_release_write(addr,1) -# define AO_HAVE_fetch_and_add1_release_write -#endif -#if defined(AO_HAVE_fetch_and_add_acquire_read) &&\ - !defined(AO_HAVE_fetch_and_add1_acquire_read) -# define AO_fetch_and_add1_acquire_read(addr) \ - AO_fetch_and_add_acquire_read(addr,1) -# define AO_HAVE_fetch_and_add1_acquire_read -#endif -#if defined(AO_HAVE_fetch_and_add) &&\ - !defined(AO_HAVE_fetch_and_add1) -# define AO_fetch_and_add1(addr) \ - AO_fetch_and_add(addr,1) -# define AO_HAVE_fetch_and_add1 -#endif - -#if defined(AO_HAVE_fetch_and_add1_full) -# if !defined(AO_HAVE_fetch_and_add1_release) -# define AO_fetch_and_add1_release(addr) \ - AO_fetch_and_add1_full(addr) -# define AO_HAVE_fetch_and_add1_release -# endif -# if !defined(AO_HAVE_fetch_and_add1_acquire) -# define AO_fetch_and_add1_acquire(addr) \ - AO_fetch_and_add1_full(addr) -# define AO_HAVE_fetch_and_add1_acquire -# endif -# if !defined(AO_HAVE_fetch_and_add1_write) -# define AO_fetch_and_add1_write(addr) \ - AO_fetch_and_add1_full(addr) -# define AO_HAVE_fetch_and_add1_write -# endif -# if !defined(AO_HAVE_fetch_and_add1_read) -# define AO_fetch_and_add1_read(addr) \ - AO_fetch_and_add1_full(addr) -# define AO_HAVE_fetch_and_add1_read -# endif -#endif /* AO_HAVE_fetch_and_add1_full */ - -#if !defined(AO_HAVE_fetch_and_add1) && \ - defined(AO_HAVE_fetch_and_add1_release) -# define AO_fetch_and_add1(addr) \ - AO_fetch_and_add1_release(addr) -# define AO_HAVE_fetch_and_add1 -#endif -#if !defined(AO_HAVE_fetch_and_add1) && \ - defined(AO_HAVE_fetch_and_add1_acquire) -# define AO_fetch_and_add1(addr) \ - AO_fetch_and_add1_acquire(addr) -# define AO_HAVE_fetch_and_add1 -#endif -#if !defined(AO_HAVE_fetch_and_add1) && \ - defined(AO_HAVE_fetch_and_add1_write) -# define AO_fetch_and_add1(addr) \ - AO_fetch_and_add1_write(addr) -# define AO_HAVE_fetch_and_add1 -#endif -#if !defined(AO_HAVE_fetch_and_add1) && \ - defined(AO_HAVE_fetch_and_add1_read) -# define AO_fetch_and_add1(addr) \ - AO_fetch_and_add1_read(addr) -# define AO_HAVE_fetch_and_add1 -#endif - -#if defined(AO_HAVE_fetch_and_add1_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_fetch_and_add1_full) -# define AO_fetch_and_add1_full(addr) \ - (AO_nop_full(), AO_fetch_and_add1_acquire(addr)) -# define AO_HAVE_fetch_and_add1_full -#endif - -#if !defined(AO_HAVE_fetch_and_add1_release_write) && \ - defined(AO_HAVE_fetch_and_add1_write) -# define AO_fetch_and_add1_release_write(addr) \ - AO_fetch_and_add1_write(addr) -# define AO_HAVE_fetch_and_add1_release_write -#endif -#if !defined(AO_HAVE_fetch_and_add1_release_write) && \ - defined(AO_HAVE_fetch_and_add1_release) -# define AO_fetch_and_add1_release_write(addr) \ - AO_fetch_and_add1_release(addr) -# define AO_HAVE_fetch_and_add1_release_write -#endif -#if !defined(AO_HAVE_fetch_and_add1_acquire_read) && \ - defined(AO_HAVE_fetch_and_add1_read) -# define AO_fetch_and_add1_acquire_read(addr) \ - AO_fetch_and_add1_read(addr) -# define AO_HAVE_fetch_and_add1_acquire_read -#endif -#if !defined(AO_HAVE_fetch_and_add1_acquire_read) && \ - defined(AO_HAVE_fetch_and_add1_acquire) -# define AO_fetch_and_add1_acquire_read(addr) \ - AO_fetch_and_add1_acquire(addr) -# define AO_HAVE_fetch_and_add1_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_fetch_and_add1_acquire_read) -# define AO_fetch_and_add1_dd_acquire_read(addr) \ - AO_fetch_and_add1_acquire_read(addr) -# define AO_HAVE_fetch_and_add1_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_fetch_and_add1) -# define AO_fetch_and_add1_dd_acquire_read(addr) AO_fetch_and_add1(addr) -# define AO_HAVE_fetch_and_add1_dd_acquire_read -# endif -#endif - -/* Fetch_and_sub1 */ - -#if defined(AO_HAVE_fetch_and_add_full) &&\ - !defined(AO_HAVE_fetch_and_sub1_full) -# define AO_fetch_and_sub1_full(addr) AO_fetch_and_add_full(addr,(AO_t)(-1)) -# define AO_HAVE_fetch_and_sub1_full -#endif -#if defined(AO_HAVE_fetch_and_add_release) &&\ - !defined(AO_HAVE_fetch_and_sub1_release) -# define AO_fetch_and_sub1_release(addr) \ - AO_fetch_and_add_release(addr,(AO_t)(-1)) -# define AO_HAVE_fetch_and_sub1_release -#endif -#if defined(AO_HAVE_fetch_and_add_acquire) &&\ - !defined(AO_HAVE_fetch_and_sub1_acquire) -# define AO_fetch_and_sub1_acquire(addr) \ - AO_fetch_and_add_acquire(addr,(AO_t)(-1)) -# define AO_HAVE_fetch_and_sub1_acquire -#endif -#if defined(AO_HAVE_fetch_and_add_write) &&\ - !defined(AO_HAVE_fetch_and_sub1_write) -# define AO_fetch_and_sub1_write(addr) \ - AO_fetch_and_add_write(addr,(AO_t)(-1)) -# define AO_HAVE_fetch_and_sub1_write -#endif -#if defined(AO_HAVE_fetch_and_add_read) &&\ - !defined(AO_HAVE_fetch_and_sub1_read) -# define AO_fetch_and_sub1_read(addr) \ - AO_fetch_and_add_read(addr,(AO_t)(-1)) -# define AO_HAVE_fetch_and_sub1_read -#endif -#if defined(AO_HAVE_fetch_and_add_release_write) &&\ - !defined(AO_HAVE_fetch_and_sub1_release_write) -# define AO_fetch_and_sub1_release_write(addr) \ - AO_fetch_and_add_release_write(addr,(AO_t)(-1)) -# define AO_HAVE_fetch_and_sub1_release_write -#endif -#if defined(AO_HAVE_fetch_and_add_acquire_read) &&\ - !defined(AO_HAVE_fetch_and_sub1_acquire_read) -# define AO_fetch_and_sub1_acquire_read(addr) \ - AO_fetch_and_add_acquire_read(addr,(AO_t)(-1)) -# define AO_HAVE_fetch_and_sub1_acquire_read -#endif -#if defined(AO_HAVE_fetch_and_add) &&\ - !defined(AO_HAVE_fetch_and_sub1) -# define AO_fetch_and_sub1(addr) \ - AO_fetch_and_add(addr,(AO_t)(-1)) -# define AO_HAVE_fetch_and_sub1 -#endif - -#if defined(AO_HAVE_fetch_and_sub1_full) -# if !defined(AO_HAVE_fetch_and_sub1_release) -# define AO_fetch_and_sub1_release(addr) \ - AO_fetch_and_sub1_full(addr) -# define AO_HAVE_fetch_and_sub1_release -# endif -# if !defined(AO_HAVE_fetch_and_sub1_acquire) -# define AO_fetch_and_sub1_acquire(addr) \ - AO_fetch_and_sub1_full(addr) -# define AO_HAVE_fetch_and_sub1_acquire -# endif -# if !defined(AO_HAVE_fetch_and_sub1_write) -# define AO_fetch_and_sub1_write(addr) \ - AO_fetch_and_sub1_full(addr) -# define AO_HAVE_fetch_and_sub1_write -# endif -# if !defined(AO_HAVE_fetch_and_sub1_read) -# define AO_fetch_and_sub1_read(addr) \ - AO_fetch_and_sub1_full(addr) -# define AO_HAVE_fetch_and_sub1_read -# endif -#endif /* AO_HAVE_fetch_and_sub1_full */ - -#if !defined(AO_HAVE_fetch_and_sub1) && \ - defined(AO_HAVE_fetch_and_sub1_release) -# define AO_fetch_and_sub1(addr) \ - AO_fetch_and_sub1_release(addr) -# define AO_HAVE_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_fetch_and_sub1) && \ - defined(AO_HAVE_fetch_and_sub1_acquire) -# define AO_fetch_and_sub1(addr) \ - AO_fetch_and_sub1_acquire(addr) -# define AO_HAVE_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_fetch_and_sub1) && \ - defined(AO_HAVE_fetch_and_sub1_write) -# define AO_fetch_and_sub1(addr) \ - AO_fetch_and_sub1_write(addr) -# define AO_HAVE_fetch_and_sub1 -#endif -#if !defined(AO_HAVE_fetch_and_sub1) && \ - defined(AO_HAVE_fetch_and_sub1_read) -# define AO_fetch_and_sub1(addr) \ - AO_fetch_and_sub1_read(addr) -# define AO_HAVE_fetch_and_sub1 -#endif - -#if defined(AO_HAVE_fetch_and_sub1_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_fetch_and_sub1_full) -# define AO_fetch_and_sub1_full(addr) \ - (AO_nop_full(), AO_fetch_and_sub1_acquire(addr)) -# define AO_HAVE_fetch_and_sub1_full -#endif - -#if !defined(AO_HAVE_fetch_and_sub1_release_write) && \ - defined(AO_HAVE_fetch_and_sub1_write) -# define AO_fetch_and_sub1_release_write(addr) \ - AO_fetch_and_sub1_write(addr) -# define AO_HAVE_fetch_and_sub1_release_write -#endif -#if !defined(AO_HAVE_fetch_and_sub1_release_write) && \ - defined(AO_HAVE_fetch_and_sub1_release) -# define AO_fetch_and_sub1_release_write(addr) \ - AO_fetch_and_sub1_release(addr) -# define AO_HAVE_fetch_and_sub1_release_write -#endif -#if !defined(AO_HAVE_fetch_and_sub1_acquire_read) && \ - defined(AO_HAVE_fetch_and_sub1_read) -# define AO_fetch_and_sub1_acquire_read(addr) \ - AO_fetch_and_sub1_read(addr) -# define AO_HAVE_fetch_and_sub1_acquire_read -#endif -#if !defined(AO_HAVE_fetch_and_sub1_acquire_read) && \ - defined(AO_HAVE_fetch_and_sub1_acquire) -# define AO_fetch_and_sub1_acquire_read(addr) \ - AO_fetch_and_sub1_acquire(addr) -# define AO_HAVE_fetch_and_sub1_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_fetch_and_sub1_acquire_read) -# define AO_fetch_and_sub1_dd_acquire_read(addr) \ - AO_fetch_and_sub1_acquire_read(addr) -# define AO_HAVE_fetch_and_sub1_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_fetch_and_sub1) -# define AO_fetch_and_sub1_dd_acquire_read(addr) AO_fetch_and_sub1(addr) -# define AO_HAVE_fetch_and_sub1_dd_acquire_read -# endif -#endif - -/* Atomic or */ -#if defined(AO_HAVE_compare_and_swap_full) && \ - !defined(AO_HAVE_or_full) - AO_INLINE void - AO_or_full(volatile AO_t *addr, AO_t incr) - { - AO_t old; - do - { - old = *addr; - } - while (!AO_compare_and_swap_full(addr, old, (old | incr))); - } -# define AO_HAVE_or_full -#endif - -#if defined(AO_HAVE_or_full) -# if !defined(AO_HAVE_or_release) -# define AO_or_release(addr, val) \ - AO_or_full(addr, val) -# define AO_HAVE_or_release -# endif -# if !defined(AO_HAVE_or_acquire) -# define AO_or_acquire(addr, val) \ - AO_or_full(addr, val) -# define AO_HAVE_or_acquire -# endif -# if !defined(AO_HAVE_or_write) -# define AO_or_write(addr, val) \ - AO_or_full(addr, val) -# define AO_HAVE_or_write -# endif -# if !defined(AO_HAVE_or_read) -# define AO_or_read(addr, val) \ - AO_or_full(addr, val) -# define AO_HAVE_or_read -# endif -#endif /* AO_HAVE_or_full */ - -#if !defined(AO_HAVE_or) && \ - defined(AO_HAVE_or_release) -# define AO_or(addr, val) \ - AO_or_release(addr, val) -# define AO_HAVE_or -#endif -#if !defined(AO_HAVE_or) && \ - defined(AO_HAVE_or_acquire) -# define AO_or(addr, val) \ - AO_or_acquire(addr, val) -# define AO_HAVE_or -#endif -#if !defined(AO_HAVE_or) && \ - defined(AO_HAVE_or_write) -# define AO_or(addr, val) \ - AO_or_write(addr, val) -# define AO_HAVE_or -#endif -#if !defined(AO_HAVE_or) && \ - defined(AO_HAVE_or_read) -# define AO_or(addr, val) \ - AO_or_read(addr, val) -# define AO_HAVE_or -#endif - -#if defined(AO_HAVE_or_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_or_full) -# define AO_or_full(addr, val) \ - (AO_nop_full(), AO_or_acquire(addr, val)) -#endif - -#if !defined(AO_HAVE_or_release_write) && \ - defined(AO_HAVE_or_write) -# define AO_or_release_write(addr, val) \ - AO_or_write(addr, val) -# define AO_HAVE_or_release_write -#endif -#if !defined(AO_HAVE_or_release_write) && \ - defined(AO_HAVE_or_release) -# define AO_or_release_write(addr, val) \ - AO_or_release(addr, val) -# define AO_HAVE_or_release_write -#endif -#if !defined(AO_HAVE_or_acquire_read) && \ - defined(AO_HAVE_or_read) -# define AO_or_acquire_read(addr, val) \ - AO_or_read(addr, val) -# define AO_HAVE_or_acquire_read -#endif -#if !defined(AO_HAVE_or_acquire_read) && \ - defined(AO_HAVE_or_acquire) -# define AO_or_acquire_read(addr, val) \ - AO_or_acquire(addr, val) -# define AO_HAVE_or_acquire_read -#endif - -/* dd_aquire_read is meaningless. */ - -/* Test_and_set */ - -#if defined(AO_HAVE_test_and_set_full) -# if !defined(AO_HAVE_test_and_set_release) -# define AO_test_and_set_release(addr) \ - AO_test_and_set_full(addr) -# define AO_HAVE_test_and_set_release -# endif -# if !defined(AO_HAVE_test_and_set_acquire) -# define AO_test_and_set_acquire(addr) \ - AO_test_and_set_full(addr) -# define AO_HAVE_test_and_set_acquire -# endif -# if !defined(AO_HAVE_test_and_set_write) -# define AO_test_and_set_write(addr) \ - AO_test_and_set_full(addr) -# define AO_HAVE_test_and_set_write -# endif -# if !defined(AO_HAVE_test_and_set_read) -# define AO_test_and_set_read(addr) \ - AO_test_and_set_full(addr) -# define AO_HAVE_test_and_set_read -# endif -#endif /* AO_HAVE_test_and_set_full */ - -#if !defined(AO_HAVE_test_and_set) && \ - defined(AO_HAVE_test_and_set_release) -# define AO_test_and_set(addr) \ - AO_test_and_set_release(addr) -# define AO_HAVE_test_and_set -#endif -#if !defined(AO_HAVE_test_and_set) && \ - defined(AO_HAVE_test_and_set_acquire) -# define AO_test_and_set(addr) \ - AO_test_and_set_acquire(addr) -# define AO_HAVE_test_and_set -#endif -#if !defined(AO_HAVE_test_and_set) && \ - defined(AO_HAVE_test_and_set_write) -# define AO_test_and_set(addr) \ - AO_test_and_set_write(addr) -# define AO_HAVE_test_and_set -#endif -#if !defined(AO_HAVE_test_and_set) && \ - defined(AO_HAVE_test_and_set_read) -# define AO_test_and_set(addr) \ - AO_test_and_set_read(addr) -# define AO_HAVE_test_and_set -#endif - -#if defined(AO_HAVE_test_and_set_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_test_and_set_full) -# define AO_test_and_set_full(addr) \ - (AO_nop_full(), AO_test_and_set_acquire(addr)) -# define AO_HAVE_test_and_set_full -#endif - -#if !defined(AO_HAVE_test_and_set_release_write) && \ - defined(AO_HAVE_test_and_set_write) -# define AO_test_and_set_release_write(addr) \ - AO_test_and_set_write(addr) -# define AO_HAVE_test_and_set_release_write -#endif -#if !defined(AO_HAVE_test_and_set_release_write) && \ - defined(AO_HAVE_test_and_set_release) -# define AO_test_and_set_release_write(addr) \ - AO_test_and_set_release(addr) -# define AO_HAVE_test_and_set_release_write -#endif -#if !defined(AO_HAVE_test_and_set_acquire_read) && \ - defined(AO_HAVE_test_and_set_read) -# define AO_test_and_set_acquire_read(addr) \ - AO_test_and_set_read(addr) -# define AO_HAVE_test_and_set_acquire_read -#endif -#if !defined(AO_HAVE_test_and_set_acquire_read) && \ - defined(AO_HAVE_test_and_set_acquire) -# define AO_test_and_set_acquire_read(addr) \ - AO_test_and_set_acquire(addr) -# define AO_HAVE_test_and_set_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_test_and_set_acquire_read) -# define AO_test_and_set_dd_acquire_read(addr) \ - AO_test_and_set_acquire_read(addr) -# define AO_HAVE_test_and_set_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_test_and_set) -# define AO_test_and_set_dd_acquire_read(addr) AO_test_and_set(addr) -# define AO_HAVE_test_and_set_dd_acquire_read -# endif -#endif - -/* Compare_and_swap */ -#if defined(AO_HAVE_compare_and_swap) && defined(AO_HAVE_nop_full)\ - && !defined(AO_HAVE_compare_and_swap_acquire) - AO_INLINE int - AO_compare_and_swap_acquire(volatile AO_t *addr, AO_t old, AO_t new_val) - { - int result = AO_compare_and_swap(addr, old, new_val); - AO_nop_full(); - return result; - } -# define AO_HAVE_compare_and_swap_acquire -#endif -#if defined(AO_HAVE_compare_and_swap) && defined(AO_HAVE_nop_full)\ - && !defined(AO_HAVE_compare_and_swap_release) -# define AO_compare_and_swap_release(addr, old, new_val) \ - (AO_nop_full(), AO_compare_and_swap(addr, old, new_val)) -# define AO_HAVE_compare_and_swap_release -#endif -#if defined(AO_HAVE_compare_and_swap_full) -# if !defined(AO_HAVE_compare_and_swap_release) -# define AO_compare_and_swap_release(addr, old, new_val) \ - AO_compare_and_swap_full(addr, old, new_val) -# define AO_HAVE_compare_and_swap_release -# endif -# if !defined(AO_HAVE_compare_and_swap_acquire) -# define AO_compare_and_swap_acquire(addr, old, new_val) \ - AO_compare_and_swap_full(addr, old, new_val) -# define AO_HAVE_compare_and_swap_acquire -# endif -# if !defined(AO_HAVE_compare_and_swap_write) -# define AO_compare_and_swap_write(addr, old, new_val) \ - AO_compare_and_swap_full(addr, old, new_val) -# define AO_HAVE_compare_and_swap_write -# endif -# if !defined(AO_HAVE_compare_and_swap_read) -# define AO_compare_and_swap_read(addr, old, new_val) \ - AO_compare_and_swap_full(addr, old, new_val) -# define AO_HAVE_compare_and_swap_read -# endif -#endif /* AO_HAVE_compare_and_swap_full */ - -#if !defined(AO_HAVE_compare_and_swap) && \ - defined(AO_HAVE_compare_and_swap_release) -# define AO_compare_and_swap(addr, old, new_val) \ - AO_compare_and_swap_release(addr, old, new_val) -# define AO_HAVE_compare_and_swap -#endif -#if !defined(AO_HAVE_compare_and_swap) && \ - defined(AO_HAVE_compare_and_swap_acquire) -# define AO_compare_and_swap(addr, old, new_val) \ - AO_compare_and_swap_acquire(addr, old, new_val) -# define AO_HAVE_compare_and_swap -#endif -#if !defined(AO_HAVE_compare_and_swap) && \ - defined(AO_HAVE_compare_and_swap_write) -# define AO_compare_and_swap(addr, old, new_val) \ - AO_compare_and_swap_write(addr, old, new_val) -# define AO_HAVE_compare_and_swap -#endif -#if !defined(AO_HAVE_compare_and_swap) && \ - defined(AO_HAVE_compare_and_swap_read) -# define AO_compare_and_swap(addr, old, new_val) \ - AO_compare_and_swap_read(addr, old, new_val) -# define AO_HAVE_compare_and_swap -#endif - -#if defined(AO_HAVE_compare_and_swap_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_compare_and_swap_full) -# define AO_compare_and_swap_full(addr, old, new_val) \ - (AO_nop_full(), AO_compare_and_swap_acquire(addr, old, new_val)) -# define AO_HAVE_compare_and_swap_full -#endif - -#if !defined(AO_HAVE_compare_and_swap_release_write) && \ - defined(AO_HAVE_compare_and_swap_write) -# define AO_compare_and_swap_release_write(addr, old, new_val) \ - AO_compare_and_swap_write(addr, old, new_val) -# define AO_HAVE_compare_and_swap_release_write -#endif -#if !defined(AO_HAVE_compare_and_swap_release_write) && \ - defined(AO_HAVE_compare_and_swap_release) -# define AO_compare_and_swap_release_write(addr, old, new_val) \ - AO_compare_and_swap_release(addr, old, new_val) -# define AO_HAVE_compare_and_swap_release_write -#endif -#if !defined(AO_HAVE_compare_and_swap_acquire_read) && \ - defined(AO_HAVE_compare_and_swap_read) -# define AO_compare_and_swap_acquire_read(addr, old, new_val) \ - AO_compare_and_swap_read(addr, old, new_val) -# define AO_HAVE_compare_and_swap_acquire_read -#endif -#if !defined(AO_HAVE_compare_and_swap_acquire_read) && \ - defined(AO_HAVE_compare_and_swap_acquire) -# define AO_compare_and_swap_acquire_read(addr, old, new_val) \ - AO_compare_and_swap_acquire(addr, old, new_val) -# define AO_HAVE_compare_and_swap_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_compare_and_swap_acquire_read) -# define AO_compare_and_swap_dd_acquire_read(addr, old, new_val) \ - AO_compare_and_swap_acquire_read(addr, old, new_val) -# define AO_HAVE_compare_and_swap_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_compare_and_swap) -# define AO_compare_and_swap_dd_acquire_read(addr, old, new_val) \ - AO_compare_and_swap(addr, old, new_val) -# define AO_HAVE_compare_and_swap_dd_acquire_read -# endif -#endif - -#include "generalize-small.h" - -/* Compare_double_and_swap_double */ -#if defined(AO_HAVE_compare_double_and_swap_double) && defined(AO_HAVE_nop_full)\ - && !defined(AO_HAVE_compare_double_and_swap_double_acquire) - AO_INLINE int - AO_compare_double_and_swap_double_acquire(volatile AO_double_t *addr, - AO_t o1, AO_t o2, - AO_t n1, AO_t n2) - { - int result = AO_compare_double_and_swap_double(addr, o1, o2, n1, n2); - AO_nop_full(); - return result; - } -# define AO_HAVE_compare_double_and_swap_double_acquire -#endif -#if defined(AO_HAVE_compare_double_and_swap_double) \ - && defined(AO_HAVE_nop_full)\ - && !defined(AO_HAVE_compare_double_and_swap_double_release) -# define AO_compare_double_and_swap_double_release(addr, o1, o2, n1, n2) \ - (AO_nop_full(), AO_compare_double_and_swap_double(addr, o1, o2, n1, n2)) -# define AO_HAVE_compare_double_and_swap_double_release -#endif -#if defined(AO_HAVE_compare_double_and_swap_double_full) -# if !defined(AO_HAVE_compare_double_and_swap_double_release) -# define AO_compare_double_and_swap_double_release(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_full(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double_release -# endif -# if !defined(AO_HAVE_compare_double_and_swap_double_acquire) -# define AO_compare_double_and_swap_double_acquire(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_full(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double_acquire -# endif -# if !defined(AO_HAVE_compare_double_and_swap_double_write) -# define AO_compare_double_and_swap_double_write(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_full(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double_write -# endif -# if !defined(AO_HAVE_compare_double_and_swap_double_read) -# define AO_compare_double_and_swap_double_read(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_full(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double_read -# endif -#endif /* AO_HAVE_compare_double_and_swap_double_full */ - -#if !defined(AO_HAVE_compare_double_and_swap_double) && \ - defined(AO_HAVE_compare_double_and_swap_double_release) -# define AO_compare_double_and_swap_double(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_release(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double -#endif -#if !defined(AO_HAVE_compare_double_and_swap_double) && \ - defined(AO_HAVE_compare_double_and_swap_double_acquire) -# define AO_compare_double_and_swap_double(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_acquire(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double -#endif -#if !defined(AO_HAVE_compare_double_and_swap_double) && \ - defined(AO_HAVE_compare_double_and_swap_double_write) -# define AO_compare_double_and_swap_double(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_write(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double -#endif -#if !defined(AO_HAVE_compare_double_and_swap_double) && \ - defined(AO_HAVE_compare_double_and_swap_double_read) -# define AO_compare_double_and_swap_double(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_read(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double -#endif - -#if defined(AO_HAVE_compare_double_and_swap_double_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_compare_double_and_swap_double_full) -# define AO_compare_double_and_swap_double_full(addr, o1, o2, n1, n2) \ - (AO_nop_full(), AO_compare_double_and_swap_double_acquire(addr, o1, o2, n1, n2)) -# define AO_HAVE_compare_double_and_swap_double_full -#endif - -#if !defined(AO_HAVE_compare_double_and_swap_double_release_write) && \ - defined(AO_HAVE_compare_double_and_swap_double_write) -# define AO_compare_double_and_swap_double_release_write(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_write(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double_release_write -#endif -#if !defined(AO_HAVE_compare_double_and_swap_double_release_write) && \ - defined(AO_HAVE_compare_double_and_swap_double_release) -# define AO_compare_double_and_swap_double_release_write(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_release(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double_release_write -#endif -#if !defined(AO_HAVE_compare_double_and_swap_double_acquire_read) && \ - defined(AO_HAVE_compare_double_and_swap_double_read) -# define AO_compare_double_and_swap_double_acquire_read(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_read(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double_acquire_read -#endif -#if !defined(AO_HAVE_compare_double_and_swap_double_acquire_read) && \ - defined(AO_HAVE_compare_double_and_swap_double_acquire) -# define AO_compare_double_and_swap_double_acquire_read(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_acquire(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_compare_double_and_swap_double_acquire_read) -# define AO_compare_double_and_swap_double_dd_acquire_read(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double_acquire_read(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_compare_double_and_swap_double) -# define AO_compare_double_and_swap_double_dd_acquire_read(addr, o1, o2, n1, n2) \ - AO_compare_double_and_swap_double(addr, o1, o2, n1, n2) -# define AO_HAVE_compare_double_and_swap_double_dd_acquire_read -# endif -#endif - -/* Compare_and_swap_double */ -#if defined(AO_HAVE_compare_and_swap_double) && defined(AO_HAVE_nop_full)\ - && !defined(AO_HAVE_compare_and_swap_double_acquire) - AO_INLINE int - AO_compare_and_swap_double_acquire(volatile AO_double_t *addr, - AO_t o1, AO_t o2, - AO_t n1, AO_t n2) - { - int result = AO_compare_and_swap_double(addr, o1, n1, n2); - AO_nop_full(); - return result; - } -# define AO_HAVE_compare_and_swap_double_acquire -#endif -#if defined(AO_HAVE_compare_and_swap_double) \ - && defined(AO_HAVE_nop_full)\ - && !defined(AO_HAVE_compare_and_swap_double_release) -# define AO_compare_and_swap_double_release(addr, o1, n1, n2) \ - (AO_nop_full(), AO_compare_and_swap_double(addr, o1, n1, n2)) -# define AO_HAVE_compare_and_swap_double_release -#endif -#if defined(AO_HAVE_compare_and_swap_double_full) -# if !defined(AO_HAVE_compare_and_swap_double_release) -# define AO_compare_and_swap_double_release(addr, o1, n1, n2) \ - AO_compare_and_swap_double_full(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double_release -# endif -# if !defined(AO_HAVE_compare_and_swap_double_acquire) -# define AO_compare_and_swap_double_acquire(addr, o1, n1, n2) \ - AO_compare_and_swap_double_full(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double_acquire -# endif -# if !defined(AO_HAVE_compare_and_swap_double_write) -# define AO_compare_and_swap_double_write(addr, o1, n1, n2) \ - AO_compare_and_swap_double_full(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double_write -# endif -# if !defined(AO_HAVE_compare_and_swap_double_read) -# define AO_compare_and_swap_double_read(addr, o1, n1, n2) \ - AO_compare_and_swap_double_full(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double_read -# endif -#endif /* AO_HAVE_compare_and_swap_double_full */ - -#if !defined(AO_HAVE_compare_and_swap_double) && \ - defined(AO_HAVE_compare_and_swap_double_release) -# define AO_compare_and_swap_double(addr, o1, n1, n2) \ - AO_compare_and_swap_double_release(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double -#endif -#if !defined(AO_HAVE_compare_and_swap_double) && \ - defined(AO_HAVE_compare_and_swap_double_acquire) -# define AO_compare_and_swap_double(addr, o1, n1, n2) \ - AO_compare_and_swap_double_acquire(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double -#endif -#if !defined(AO_HAVE_compare_and_swap_double) && \ - defined(AO_HAVE_compare_and_swap_double_write) -# define AO_compare_and_swap_double(addr, o1, n1, n2) \ - AO_compare_and_swap_double_write(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double -#endif -#if !defined(AO_HAVE_compare_and_swap_double) && \ - defined(AO_HAVE_compare_and_swap_double_read) -# define AO_compare_and_swap_double(addr, o1, n1, n2) \ - AO_compare_and_swap_double_read(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double -#endif - -#if defined(AO_HAVE_compare_and_swap_double_acquire) &&\ - defined(AO_HAVE_nop_full) && \ - !defined(AO_HAVE_compare_and_swap_double_full) -# define AO_compare_and_swap_double_full(addr, o1, n1, n2) \ - (AO_nop_full(), AO_compare_and_swap_double_acquire(addr, o1, n1, n2)) -# define AO_HAVE_compare_and_swap_double_full -#endif - -#if !defined(AO_HAVE_compare_and_swap_double_release_write) && \ - defined(AO_HAVE_compare_and_swap_double_write) -# define AO_compare_and_swap_double_release_write(addr, o1, n1, n2) \ - AO_compare_and_swap_double_write(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double_release_write -#endif -#if !defined(AO_HAVE_compare_and_swap_double_release_write) && \ - defined(AO_HAVE_compare_and_swap_double_release) -# define AO_compare_and_swap_double_release_write(addr, o1, n1, n2) \ - AO_compare_and_swap_double_release(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double_release_write -#endif -#if !defined(AO_HAVE_compare_and_swap_double_acquire_read) && \ - defined(AO_HAVE_compare_and_swap_double_read) -# define AO_compare_and_swap_double_acquire_read(addr, o1, n1, n2) \ - AO_compare_and_swap_double_read(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double_acquire_read -#endif -#if !defined(AO_HAVE_compare_and_swap_double_acquire_read) && \ - defined(AO_HAVE_compare_and_swap_double_acquire) -# define AO_compare_and_swap_double_acquire_read(addr, o1, n1, n2) \ - AO_compare_and_swap_double_acquire(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double_acquire_read -#endif - -#ifdef AO_NO_DD_ORDERING -# if defined(AO_HAVE_compare_and_swap_double_acquire_read) -# define AO_compare_and_swap_double_dd_acquire_read(addr, o1, n1, n2) \ - AO_compare_and_swap_double_acquire_read(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double_dd_acquire_read -# endif -#else -# if defined(AO_HAVE_compare_and_swap_double) -# define AO_compare_and_swap_double_dd_acquire_read(addr, o1, n1, n2) \ - AO_compare_and_swap_double(addr, o1, n1, n2) -# define AO_HAVE_compare_and_swap_double_dd_acquire_read -# endif -#endif - -/* NEC LE-IT: Convenience functions for AO_double compare and swap which */ -/* types and reads easier in code */ -#if defined(AO_HAVE_compare_double_and_swap_double_release) && \ - !defined(AO_HAVE_double_compare_and_swap_release) -AO_INLINE int -AO_double_compare_and_swap_release(volatile AO_double_t *addr, - AO_double_t old_val, AO_double_t new_val) -{ - return AO_compare_double_and_swap_double_release(addr, - old_val.AO_val1, old_val.AO_val2, - new_val.AO_val1, new_val.AO_val2); -} -#define AO_HAVE_double_compare_and_swap_release -#endif - -#if defined(AO_HAVE_compare_double_and_swap_double_acquire) && \ - !defined(AO_HAVE_double_compare_and_swap_acquire) -AO_INLINE int -AO_double_compare_and_swap_acquire(volatile AO_double_t *addr, - AO_double_t old_val, AO_double_t new_val) -{ - return AO_compare_double_and_swap_double_acquire(addr, - old_val.AO_val1, old_val.AO_val2, - new_val.AO_val1, new_val.AO_val2); -} -#define AO_HAVE_double_compare_and_swap_acquire -#endif - -#if defined(AO_HAVE_compare_double_and_swap_double_full) && \ - !defined(AO_HAVE_double_compare_and_swap_full) -AO_INLINE int -AO_double_compare_and_swap_full(volatile AO_double_t *addr, - AO_double_t old_val, AO_double_t new_val) -{ - return AO_compare_double_and_swap_double_full(addr, - old_val.AO_val1, old_val.AO_val2, - new_val.AO_val1, new_val.AO_val2); -} -#define AO_HAVE_double_compare_and_swap_full -#endif diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/CVS/Entries b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/CVS/Entries deleted file mode 100644 index cef403d..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/CVS/Entries +++ /dev/null @@ -1,33 +0,0 @@ -D/gcc//// -D/hpc//// -D/ibmc//// -D/icc//// -D/msftc//// -D/sunc//// -/README/1.1/Tue Jul 11 22:55:09 2006// -/acquire_release_volatile.h/1.1/Tue Jul 11 22:55:09 2006// -/all_acquire_release_volatile.h/1.1/Tue Jul 11 22:55:09 2006// -/all_atomic_load_store.h/1.1/Tue Jul 11 22:55:09 2006// -/ao_t_is_int.h/1.1/Tue Jul 11 22:55:09 2006// -/atomic_load_store.h/1.1/Tue Jul 11 22:55:09 2006// -/char_acquire_release_volatile.h/1.1/Tue Jul 11 22:55:09 2006// -/char_atomic_load_store.h/1.1/Tue Jul 11 22:55:09 2006// -/emul_cas.h/1.1/Tue Jul 11 22:55:09 2006// -/generic_pthread.h/1.1/Tue Jul 11 22:55:09 2006// -/int_acquire_release_volatile.h/1.1/Tue Jul 11 22:55:09 2006// -/int_atomic_load_store.h/1.1/Tue Jul 11 22:55:09 2006// -/ordered.h/1.1/Tue Jul 11 22:55:09 2006// -/ordered_except_wr.h/1.1/Tue Jul 11 22:55:09 2006// -/read_ordered.h/1.1/Tue Jul 11 22:55:09 2006// -/short_acquire_release_volatile.h/1.1/Tue Jul 11 22:55:09 2006// -/short_atomic_load_store.h/1.1/Tue Jul 11 22:55:09 2006// -/test_and_set_t_is_ao_t.h/1.1/Tue Jul 11 22:55:09 2006// -/test_and_set_t_is_char.h/1.1/Tue Jul 11 22:55:09 2006// -/Makefile.am/1.2/Tue Jun 5 22:06:20 2007// -/Makefile.in/1.2/Tue Jun 5 22:06:20 2007// -/aligned_atomic_load_store.h/1.2/Tue Jun 5 23:23:07 2007// -/int_aligned_atomic_load_store.h/1.2/Tue Jun 5 23:23:07 2007// -/short_aligned_atomic_load_store.h/1.2/Tue Jun 5 23:23:07 2007// -/all_aligned_atomic_load_store.h/1.1/Tue Jun 5 23:23:07 2007// -D/armcc//// -/standard_ao_double_t.h/1.3/Tue Jan 8 23:47:06 2008// diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/CVS/Repository b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/CVS/Repository deleted file mode 100644 index 2b4ddb1..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2/src/atomic_ops/sysdeps diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/CVS/Root b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/Makefile.am b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/Makefile.am deleted file mode 100644 index 8204d8d..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/Makefile.am +++ /dev/null @@ -1,47 +0,0 @@ -#General sysdep utility headers, followed by the arch-specific ones -nobase_sysdep_HEADERS= generic_pthread.h \ - 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-- Subdirectories corresponding to specific compilers (or compiler/OS combinations). - Each of these includes one or more architecture-specific headers. - -- More generic header files corresponding to a particular ordering and/or - atomicity property that might be shared by multiple hardware platforms. diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/acquire_release_volatile.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/acquire_release_volatile.h deleted file mode 100644 index 1a387d3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/acquire_release_volatile.h +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * This file adds definitions appropriate for environments in which an AO_t - * volatile load has acquire semantics, and an AO_t volatile store has release - * semantics. This is arguably supposed to be true with the standard Itanium - * software conventions. - */ - -/* - * Empirically gcc/ia64 does some reordering of ordinary operations around volatiles - * even when we think it shouldn't. Gcc 3.3 and earlier could reorder a volatile store - * with another store. As of March 2005, gcc pre-4 reused previously computed - * common subexpressions across a volatile load. - * Hence we now add compiler barriers for gcc. - */ -#if !defined(AO_GCC_BARRIER) -# if defined(__GNUC__) -# define AO_GCC_BARRIER() AO_compiler_barrier() -# else -# define AO_GCC_BARRIER() -# endif -#endif - -AO_INLINE AO_t -AO_load_acquire(volatile AO_t *p) -{ - AO_t result = *p; - /* A normal volatile load generates an ld.acq */ - AO_GCC_BARRIER(); - return result; -} -#define AO_HAVE_load_acquire - -AO_INLINE void -AO_store_release(volatile AO_t *p, AO_t val) -{ - AO_GCC_BARRIER(); - /* A normal volatile store generates an st.rel */ - *p = val; -} -#define AO_HAVE_store_release - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/aligned_atomic_load_store.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/aligned_atomic_load_store.h deleted file mode 100644 index 485b7f4..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/aligned_atomic_load_store.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Definitions for architecturs on which loads and stores of AO_t are - * atomic fo all legal alignments. - */ - -AO_INLINE AO_t -AO_load(volatile AO_t *addr) -{ - assert(((size_t)addr & (sizeof(AO_t) - 1)) == 0); - /* Cast away the volatile for architectures where */ - /* volatile adds barrier semantics. */ - return *(AO_t *)addr; -} - -#define AO_HAVE_load - -AO_INLINE void -AO_store(volatile AO_t *addr, AO_t new_val) -{ - assert(((size_t)addr & (sizeof(AO_t) - 1)) == 0); - (*(AO_t *)addr) = new_val; -} - -#define AO_HAVE_store - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/all_acquire_release_volatile.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/all_acquire_release_volatile.h deleted file mode 100644 index 6787387..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/all_acquire_release_volatile.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Describes architectures on which volatile AO_t, unsigned char, unsigned - * short, and unsigned int loads and stores have acquire/release semantics for - * all normally legal alignments. - */ -#include "acquire_release_volatile.h" -#include "char_acquire_release_volatile.h" -#include "short_acquire_release_volatile.h" -#include "int_acquire_release_volatile.h" diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/all_aligned_atomic_load_store.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/all_aligned_atomic_load_store.h deleted file mode 100644 index b9f7247..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/all_aligned_atomic_load_store.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Describes architectures on which AO_t, unsigned char, unsigned short, - * and unsigned int loads and strores are atomic for all normally legal alignments. - */ -#include "aligned_atomic_load_store.h" -#include "char_atomic_load_store.h" -#include "short_aligned_atomic_load_store.h" -#include "int_aligned_atomic_load_store.h" diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/all_atomic_load_store.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/all_atomic_load_store.h deleted file mode 100644 index d0ebe08..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/all_atomic_load_store.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Describes architectures on which AO_t, unsigned char, unsigned short, - * and unsigned int loads and strores are atomic for all normally legal - * alignments. - */ -#include "atomic_load_store.h" -#include "char_atomic_load_store.h" -#include "short_atomic_load_store.h" -#include "int_atomic_load_store.h" diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ao_t_is_int.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ao_t_is_int.h deleted file mode 100644 index 18156c8..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ao_t_is_int.h +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Inclusion of this file signifies that AO_t is in fact int. Hence - * any AO_... operations can also server as AO_int_... operations. - * We currently define only the more important ones here, and allow for - * the normal generalization process to define the others. - * We should probably add others in the future. - */ - -#if defined(AO_HAVE_compare_and_swap_full) && \ - !defined(AO_HAVE_int_compare_and_swap_full) -# define AO_int_compare_and_swap_full(addr, old, new_val) \ - AO_compare_and_swap_full((volatile AO_t *)addr, \ - (AO_t) old, (AO_t)new_val) -# define AO_HAVE_int_compare_and_swap_full -# endif - -#if defined(AO_HAVE_compare_and_swap_acquire) && \ - !defined(AO_HAVE_int_compare_and_swap_acquire) -# define AO_int_compare_and_swap_acquire(addr, old, new_val) \ - AO_compare_and_swap_acquire((volatile AO_t *)addr, \ - (AO_t) old, (AO_t)new_val) -# define AO_HAVE_int_compare_and_swap_acquire -# endif - -#if defined(AO_HAVE_compare_and_swap_release) && \ - !defined(AO_HAVE_int_compare_and_swap_release) -# define AO_int_compare_and_swap_release(addr, old, new_val) \ - AO_compare_and_swap_release((volatile AO_t *)addr, \ - (AO_t) old, (AO_t)new_val) -# define AO_HAVE_int_compare_and_swap_release -# endif - -#if defined(AO_HAVE_compare_and_swap_write) && \ - !defined(AO_HAVE_int_compare_and_swap_write) -# define AO_int_compare_and_swap_write(addr, old, new_val) \ - AO_compare_and_swap_write((volatile AO_t *)addr, \ - (AO_t) old, (AO_t)new_val) -# define AO_HAVE_int_compare_and_swap_write -# endif - -#if defined(AO_HAVE_compare_and_swap_read) && \ - !defined(AO_HAVE_int_compare_and_swap_read) -# define AO_int_compare_and_swap_read(addr, old, new_val) \ - AO_compare_and_swap_read((volatile AO_t *)addr, \ - (AO_t) old, (AO_t)new_val) -# define AO_HAVE_int_compare_and_swap_read -# endif - -#if defined(AO_HAVE_compare_and_swap) && \ - !defined(AO_HAVE_int_compare_and_swap) -# define AO_int_compare_and_swap(addr, old, new_val) \ - AO_compare_and_swap((volatile AO_t *)addr, \ - (AO_t) old, (AO_t)new_val) -# define AO_HAVE_int_compare_and_swap -# endif - -#if defined(AO_HAVE_load_acquire) && \ - !defined(AO_HAVE_int_load_acquire) -# define AO_int_load_acquire(addr) (int)AO_load_acquire((volatile AO_t *)addr) -# define AO_HAVE_int_load_acquire -# endif - -#if defined(AO_HAVE_store_release) && \ - !defined(AO_HAVE_int_store_release) -# define AO_int_store_release(addr, val) \ - AO_store_release((volatile AO_t *)addr, (AO_t)val) -# define AO_HAVE_int_store_release -# endif - -#if defined(AO_HAVE_fetch_and_add_full) && \ - !defined(AO_HAVE_int_fetch_and_add_full) -# define AO_int_fetch_and_add_full(addr, incr) \ - (int)AO_fetch_and_add_full((volatile AO_t *)addr, (AO_t)incr) -# define AO_HAVE_int_fetch_and_add_full -# endif - -#if defined(AO_HAVE_fetch_and_add1_acquire) && \ - !defined(AO_HAVE_int_fetch_and_add1_acquire) -# define AO_int_fetch_and_add1_acquire(addr) \ - (int)AO_fetch_and_add1_acquire((volatile AO_t *)addr) -# define AO_HAVE_int_fetch_and_add1_acquire -# endif - -#if defined(AO_HAVE_fetch_and_add1_release) && \ - !defined(AO_HAVE_int_fetch_and_add1_release) -# define AO_int_fetch_and_add1_release(addr) \ - (int)AO_fetch_and_add1_release((volatile AO_t *)addr) -# define AO_HAVE_int_fetch_and_add1_release -# endif - -#if defined(AO_HAVE_fetch_and_sub1_acquire) && \ - !defined(AO_HAVE_int_fetch_and_sub1_acquire) -# define AO_int_fetch_and_sub1_acquire(addr) \ - (int)AO_fetch_and_sub1_acquire((volatile AO_t *)addr) -# define AO_HAVE_int_fetch_and_sub1_acquire -# endif - -#if defined(AO_HAVE_fetch_and_sub1_release) && \ - !defined(AO_HAVE_int_fetch_and_sub1_release) -# define AO_int_fetch_and_sub1_release(addr) \ - (int)AO_fetch_and_sub1_release((volatile AO_t *)addr) -# define AO_HAVE_int_fetch_and_sub1_release -# endif - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/CVS/Entries b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/CVS/Entries deleted file mode 100644 index 2895323..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/CVS/Entries +++ /dev/null @@ -1,2 +0,0 @@ -/arm_v6.h/1.1/Fri Jan 4 01:28:35 2008// -D diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/CVS/Repository b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/CVS/Repository deleted file mode 100644 index c9540f3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/CVS/Root b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/arm_v6.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/arm_v6.h deleted file mode 100644 index 3e2318b..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/armcc/arm_v6.h +++ /dev/null @@ -1,199 +0,0 @@ -/* - * Copyright (c) 2007 by NEC LE-IT: All rights reserved. - * A transcription of ARMv6 atomic operations for the ARM Realview Toolchain. - * This code works with armcc from RVDS 3.1 - * This is based on work in gcc/arm.h by - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. - * - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ -#include "../read_ordered.h" -#include "../test_and_set_t_is_ao_t.h" /* Probably suboptimal */ - -#if __TARGET_ARCH_ARM < 6 -Dont use with ARM instruction sets lower than v6 -#endif - -/* NEC LE-IT: ARMv6 is the first architecture providing support for simple LL/SC - * A data memory barrier must be raised via CP15 command (see documentation). - * - * ARMv7 is compatible to ARMv6 but has a simpler command for issuing a - * memory barrier (DMB). Raising it via CP15 should still work as told me by the - * support engineers. If it turns out to be much quicker than we should implement - * custom code for ARMv7 using the asm { dmb } command. - * - * If only a single processor is used, we can define AO_UNIPROCESSOR - * and do not need to access CP15 for ensuring a DMB at all. -*/ - -AO_INLINE void -AO_nop_full() -{ -# ifndef AO_UNIPROCESSOR - unsigned int dest=0; - /* issue an data memory barrier (keeps ordering of memory transactions */ - /* before and after this operation) */ - __asm { mcr p15,0,dest,c7,c10,5 } ; -# endif -} - -#define AO_HAVE_nop_full - -AO_INLINE AO_t -AO_load(volatile AO_t *addr) -{ - /* Cast away the volatile in case it adds fence semantics. */ - return (*(AO_t *)addr); -} -#define AO_HAVE_load - -/* NEC LE-IT: atomic "store" - according to ARM documentation this is - * the only safe way to set variables also used in LL/SC environment. - * A direct write won't be recognized by the LL/SC construct in other CPUs. - * - * HB: Based on subsequent discussion, I think it would be OK to use an - * ordinary store here if we knew that interrupt handlers always cleared - * the reservation. They should, but there is some doubt that this is - * currently always the case for e.g. Linux. -*/ -AO_INLINE void AO_store(volatile AO_t *addr, AO_t value) -{ - unsigned long tmp; - -retry: -__asm { - ldrex tmp, [addr] - strex tmp, value, [addr] - teq tmp, #0 - bne retry - }; -} -#define AO_HAVE_store - -/* NEC LE-IT: replace the SWAP as recommended by ARM: - - "Applies to: ARM11 Cores - Though the SWP instruction will still work with ARM V6 cores, it is recommended - to use the new V6 synchronization instructions. The SWP instruction produces - locked read and write accesses which are atomic, i.e. another operation cannot - be done between these locked accesses which ties up external bus (AHB,AXI) - bandwidth and can increase worst case interrupt latencies. LDREX,STREX are - more flexible, other instructions can be done between the LDREX and STREX accesses. - " -*/ -AO_INLINE AO_TS_t -AO_test_and_set(volatile AO_TS_t *addr) { - - AO_TS_t oldval; - unsigned long tmp; - unsigned long one = 1; -retry: -__asm { - ldrex oldval, [addr] - strex tmp, one, [addr] - teq tmp, #0 - bne retry - } - - return oldval; -} - -#define AO_HAVE_test_and_set - -/* NEC LE-IT: fetch and add for ARMv6 */ -AO_INLINE AO_t -AO_fetch_and_add(volatile AO_t *p, AO_t incr) -{ - unsigned long tmp,tmp2; - AO_t result; - -retry: -__asm { - ldrex result, [p] - add tmp, incr, result - strex tmp2, tmp, [p] - teq tmp2, #0 - bne retry } - - return result; -} - -#define AO_HAVE_fetch_and_add - -/* NEC LE-IT: fetch and add1 for ARMv6 */ -AO_INLINE AO_t -AO_fetch_and_add1(volatile AO_t *p) -{ - unsigned long tmp,tmp2; - AO_t result; - -retry: -__asm { - ldrex result, [p] - add tmp, result, #1 - strex tmp2, tmp, [p] - teq tmp2, #0 - bne retry - } - - return result; -} - -#define AO_HAVE_fetch_and_add1 - -/* NEC LE-IT: fetch and sub for ARMv6 */ -AO_INLINE AO_t -AO_fetch_and_sub1(volatile AO_t *p) -{ - unsigned long tmp,tmp2; - AO_t result; - -retry: -__asm { - ldrex result, [p] - sub tmp, result, #1 - strex tmp2, tmp, [p] - teq tmp2, #0 - bne retry - } - - return result; -} - -#define AO_HAVE_fetch_and_sub1 - -/* NEC LE-IT: compare and swap */ -/* Returns nonzero if the comparison succeeded. */ -AO_INLINE int -AO_compare_and_swap(volatile AO_t *addr, - AO_t old_val, AO_t new_val) -{ - AO_t result,tmp; - -retry: -__asm__ { - ldrex tmp, [addr] - mov result, #2 - teq tmp, old_val - strexeq result, new_val, [addr] - teq result, #1 - beq retry - } - - return (result^2)>>1; -} -#define AO_HAVE_compare_and_swap - -#endif // __TARGET_ARCH_ARM diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/atomic_load_store.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/atomic_load_store.h deleted file mode 100644 index 68c5179..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/atomic_load_store.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Definitions for architecturs on which loads and stores of AO_t are - * atomic fo all legal alignments. - */ - -AO_INLINE AO_t -AO_load(volatile AO_t *addr) -{ - /* Cast away the volatile for architectures like IA64 where */ - /* volatile adds barrier semantics. */ - return (*(AO_t *)addr); -} - -#define AO_HAVE_load - -AO_INLINE void -AO_store(volatile AO_t *addr, AO_t new_val) -{ - (*(AO_t *)addr) = new_val; -} - -#define AO_HAVE_store - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/char_acquire_release_volatile.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/char_acquire_release_volatile.h deleted file mode 100644 index 37aa021..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/char_acquire_release_volatile.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * This file adds definitions appropriate for environments in which an unsigned char - * volatile load has acquire semantics, and an unsigned char volatile store has release - * semantics. This is true with the standard Itanium ABI. - */ -#if !defined(AO_GCC_BARRIER) -# if defined(__GNUC__) -# define AO_GCC_BARRIER() AO_compiler_barrier() -# else -# define AO_GCC_BARRIER() -# endif -#endif - -AO_INLINE unsigned char -AO_char_load_acquire(volatile unsigned char *p) -{ - unsigned char result = *p; - /* A normal volatile load generates an ld.acq */ - AO_GCC_BARRIER(); - return result; -} -#define AO_HAVE_char_load_acquire - -AO_INLINE void -AO_char_store_release(volatile unsigned char *p, unsigned char val) -{ - AO_GCC_BARRIER(); - /* A normal volatile store generates an st.rel */ - *p = val; -} -#define AO_HAVE_char_store_release - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/char_atomic_load_store.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/char_atomic_load_store.h deleted file mode 100644 index 6eb0978..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/char_atomic_load_store.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Definitions for architecturs on which loads and stores of unsigned char are - * atomic for all legal alignments. - */ - -AO_INLINE unsigned char -AO_char_load(volatile unsigned char *addr) -{ - /* Cast away the volatile for architectures like IA64 where */ - /* volatile adds barrier semantics. */ - return (*(unsigned char *)addr); -} - -#define AO_HAVE_char_load - -AO_INLINE void -AO_char_store(volatile unsigned char *addr, unsigned char new_val) -{ - (*(unsigned char *)addr) = new_val; -} - -#define AO_HAVE_char_store - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/emul_cas.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/emul_cas.h deleted file mode 100644 index 4187f9f..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/emul_cas.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Ensure, if at all possible, that AO_compare_and_swap_full() is - * available. The emulation should be brute-force signal-safe, even - * though it actually blocks. - * Including this file will generate an error if AO_compare_and_swap_full() - * cannot be made available. - * This will be included from platform-specific atomic_ops files - * id appropriate, and if AO_FORCE_CAS is defined. It should not be - * included directly, especially since it affects the implementation - * of other atomic update primitives. - * The implementation assumes that only AO_store_XXX and AO_test_and_set_XXX - * variants are defined, and that AO_test_and_set_XXX is not used to - * operate on compare_and_swap locations. - */ - -#if !defined(ATOMIC_OPS_H) -# error This file should not be included directly. -#endif - -#ifndef AO_HAVE_double_t -# include "standard_ao_double_t.h" -#endif - -int AO_compare_and_swap_emulation(volatile AO_t *addr, AO_t old, - AO_t new_val); - -int AO_compare_double_and_swap_double_emulation(volatile AO_double_t *addr, - AO_t old_val1, AO_t old_val2, - AO_t new_val1, AO_t new_val2); - -void AO_store_full_emulation(volatile AO_t *addr, AO_t val); - -#define AO_compare_and_swap_full(addr, old, newval) \ - AO_compare_and_swap_emulation(addr, old, newval) -#define AO_HAVE_compare_and_swap_full - -#ifndef AO_HAVE_compare_double_and_swap_double -# define AO_compare_double_and_swap_double_full(addr, old1, old2, \ - newval1, newval2) \ - AO_compare_double_and_swap_double_emulation(addr, old1, old2, \ - newval1, newval2) -# define AO_HAVE_compare_double_and_swap_double_full -#endif - -#undef AO_store -#undef AO_HAVE_store -#undef AO_store_write -#undef AO_HAVE_store_write -#undef AO_store_release -#undef AO_HAVE_store_release -#undef AO_store_full -#undef AO_HAVE_store_full -#define AO_store_full(addr, val) AO_store_full_emulation(addr, val) -#define AO_HAVE_store_full diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/CVS/Entries b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/CVS/Entries deleted file mode 100644 index ddc7e93..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/CVS/Entries +++ /dev/null @@ -1,12 +0,0 @@ -/alpha.h/1.1/Tue Jul 11 22:55:09 2006// -/cris.h/1.1/Tue Jul 11 22:55:09 2006// -/ia64.h/1.1/Tue Jul 11 22:55:09 2006// -/m68k.h/1.1/Tue Jul 11 22:55:09 2006// -/s390.h/1.1/Tue Jul 11 22:55:09 2006// -/sparc.h/1.1/Tue Jul 11 22:55:09 2006// -/hppa.h/1.2/Fri May 18 04:31:52 2007// -/powerpc.h/1.4/Wed Aug 29 16:42:33 2007// -/arm.h/1.3/Fri Jan 4 01:40:54 2008// -/x86_64.h/1.2/Sun Jan 6 03:34:51 2008// -/x86.h/1.3/Fri Feb 1 19:57:17 2008// -D diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/CVS/Repository b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/CVS/Repository deleted file mode 100644 index fabfd1d..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/CVS/Root b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/alpha.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/alpha.h deleted file mode 100644 index 90c060c..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/alpha.h +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -#include "../atomic_load_store.h" - -#include "../test_and_set_t_is_ao_t.h" - -#define AO_NO_DD_ORDERING - /* Data dependence does not imply read ordering. */ - -AO_INLINE void -AO_nop_full() -{ - __asm__ __volatile__("mb" : : : "memory"); -} - -#define AO_HAVE_nop_full - -AO_INLINE void -AO_nop_write() -{ - __asm__ __volatile__("wmb" : : : "memory"); -} - -#define AO_HAVE_nop_write - -/* mb should be used for AO_nop_read(). That's the default. */ - -/* We believe that ldq_l ... stq_c does not imply any memory barrier. */ -/* We should add an explicit fetch_and_add definition. */ -AO_INLINE int -AO_compare_and_swap(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - unsigned long was_equal; - unsigned long temp; - - __asm__ __volatile__( - "1: ldq_l %0,%1\n" - " cmpeq %0,%4,%2\n" - " mov %3,%0\n" - " beq %2,2f\n" - " stq_c %0,%1\n" - " beq %0,1b\n" - "2:\n" - :"=&r" (temp), "=m" (*addr), "=&r" (was_equal) - : "r" (new_val), "Ir" (old) - :"memory"); - return was_equal; -} - -#define AO_HAVE_compare_and_swap - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/arm.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/arm.h deleted file mode 100644 index c502d4d..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/arm.h +++ /dev/null @@ -1,250 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -#include "../read_ordered.h" - -#include "../test_and_set_t_is_ao_t.h" /* Probably suboptimal */ - -/* NEC LE-IT: ARMv6 is the first architecture providing support for simple LL/SC - * A data memory barrier must be raised via CP15 command (see documentation). - * - * ARMv7 is compatible to ARMv6 but has a simpler command for issuing a - * memory barrier (DMB). Raising it via CP15 should still work as told me by the - * support engineers. If it turns out to be much quicker than we should implement - * custom code for ARMv7 using the asm { dmb } command. - * - * If only a single processor is used, we can define AO_UNIPROCESSOR - * and do not need to access CP15 for ensuring a DMB -*/ - -/* NEC LE-IT: gcc has no way to easily check the arm architecture - * but defines only one of __ARM_ARCH_x__ to be true */ -#if defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_7__) -AO_INLINE void -AO_nop_full() -{ -#ifndef AO_UNIPROCESSOR - /* issue an data memory barrier (keeps ordering of memory transactions */ - /* before and after this operation) */ - unsigned int dest=0; - __asm__ __volatile__("mcr p15,0,%0,c7,c10,5" :"=&r"(dest) : : "memory"); -#endif -} - -#define AO_HAVE_nop_full - -/* NEC LE-IT: AO_t load is simple reading */ -AO_INLINE AO_t -AO_load(volatile AO_t *addr) -{ - /* Cast away the volatile for architectures like IA64 where */ - /* volatile adds barrier semantics. */ - return (*(AO_t *)addr); -} -#define AO_HAVE_load - -/* NEC LE-IT: atomic "store" - according to ARM documentation this is - * the only safe way to set variables also used in LL/SC environment. - * A direct write won't be recognized by the LL/SC construct on the _same_ CPU. - * Support engineers response for behaviour of ARMv6: - * - Core1 Core2 SUCCESS - =================================== - LDREX(x) - STREX(x) Yes - ----------------------------------- - LDREX(x) - STR(x) - STREX(x) No - ----------------------------------- - LDREX(x) - STR(x) - STREX(x) Yes - ----------------------------------- - - * ARMv7 behaves similar, see documentation CortexA8 TRM, point 8.5 - * - * HB: I think this is only a problem if interrupt handlers do not clear - * the reservation, as they almost certainly should. Probably change this back - * in a while? -*/ -AO_INLINE void AO_store(volatile AO_t *addr, AO_t value) -{ - unsigned long tmp; - - __asm__ __volatile__("@AO_store\n" -"1: ldrex %0, [%1]\n" -" strex %0, %2, [%1]\n" -" teq %0, #0\n" -" bne 1b" - : "=&r"(tmp) - : "r" (addr), "r"(value) - : "cc","memory"); -} -#define AO_HAVE_store - -/* NEC LE-IT: replace the SWAP as recommended by ARM: - - "Applies to: ARM11 Cores - Though the SWP instruction will still work with ARM V6 cores, it is - recommended to use the new V6 synchronization instructions. The SWP - instruction produces ‘locked’ read and write accesses which are atomic, - i.e. another operation cannot be done between these locked accesses which - ties up external bus (AHB,AXI) bandwidth and can increase worst case - interrupt latencies. LDREX,STREX are more flexible, other instructions can - be done between the LDREX and STREX accesses. - " -*/ -AO_INLINE AO_TS_t -AO_test_and_set(volatile AO_TS_t *addr) { - - AO_TS_t oldval; - unsigned long tmp; - - __asm__ __volatile__("@AO_test_and_set\n" -"1: ldrex %0, [%2]\n" -" strex %1, %3, [%2]\n" -" teq %1, #0\n" -" bne 1b\n" - : "=&r"(oldval),"=&r"(tmp) - : "r"(addr), "r"(1) - : "memory","cc"); - - return oldval; -} - -#define AO_HAVE_test_and_set - -/* NEC LE-IT: fetch and add for ARMv6 */ -AO_INLINE AO_t -AO_fetch_and_add(volatile AO_t *p, AO_t incr) -{ - unsigned long tmp,tmp2; - AO_t result; - - __asm__ __volatile__("@AO_fetch_and_add\n" -"1: ldrex %0, [%4]\n" /* get original */ -" add %2, %3, %0\n" /* sum up */ -" strex %1, %2, [%4]\n" /* store them */ -" teq %1, #0\n" -" bne 1b\n" - : "=&r"(result),"=&r"(tmp),"=&r"(tmp2) - : "r"(incr), "r"(p) - : "cc","memory"); - - return result; -} - -#define AO_HAVE_fetch_and_add - -/* NEC LE-IT: fetch and add1 for ARMv6 */ -AO_INLINE AO_t -AO_fetch_and_add1(volatile AO_t *p) -{ - unsigned long tmp,tmp2; - AO_t result; - - __asm__ __volatile__("@AO_fetch_and_add1\n" -"1: ldrex %0, [%3]\n" /* get original */ -" add %1, %0, #1\n" /* increment */ -" strex %2, %1, [%3]\n" /* store them */ -" teq %2, #0\n" -" bne 1b\n" - : "=&r"(result), "=&r"(tmp), "=&r"(tmp2) - : "r"(p) - : "cc","memory"); - - return result; -} - -#define AO_HAVE_fetch_and_add1 - -/* NEC LE-IT: fetch and sub for ARMv6 */ -AO_INLINE AO_t -AO_fetch_and_sub1(volatile AO_t *p) -{ - unsigned long tmp,tmp2; - AO_t result; - - __asm__ __volatile__("@ AO_fetch_and_sub1\n" -"1: ldrex %0, [%3]\n" /* get original */ -" sub %1, %0, #1\n" /* increment */ -" strex %2, %1, [%3]\n" /* store them */ -" teq %2, #0\n" -" bne 1b\n" - : "=&r"(result), "=&r"(tmp), "=&r"(tmp2) - : "r"(p) - : "cc","memory"); - - return result; -} - -#define AO_HAVE_fetch_and_sub1 - -/* NEC LE-IT: compare and swap */ -/* Returns nonzero if the comparison succeeded. */ -AO_INLINE int -AO_compare_and_swap(volatile AO_t *addr, - AO_t old_val, AO_t new_val) -{ - AO_t result,tmp; - - __asm__ __volatile__("@ AO_compare_and_swap\n" -"1: ldrex %1, [%2]\n" /* get original */ -" mov %0, #2\n" /* store a flag */ -" teq %1, %3\n" /* see if match */ -" strexeq %0, %4, [%2]\n" /* store new one if matched */ -" teq %0, #1\n" -" beq 1b\n" /* if update failed, repeat */ -" eor %0, %0, #2\n" /* if succeded, return 2, else 0 */ - : "=&r"(result), "=&r"(tmp) - : "r"(addr), "r"(old_val), "r"(new_val) - : "cc","memory"); - - return (result>>1); -} -#define AO_HAVE_compare_and_swap - -#else -/* pre ARMv6 architecures ... */ - -/* I found a slide set that, if I read it correctly, claims that */ -/* Loads followed by either a Load or Store are ordered, but nothing */ -/* else is. */ -/* It appears that SWP is the only simple memory barrier. */ -#include "../all_atomic_load_store.h" - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) { - AO_TS_VAL_t oldval; - /* SWP on ARM is very similar to XCHG on x86. */ - /* The first operand is the result, the second the value */ - /* to be stored. Both registers must be different from addr. */ - /* Make the address operand an early clobber output so it */ - /* doesn't overlap with the other operands. The early clobber*/ - /* on oldval is neccessary to prevent the compiler allocating */ - /* them to the same register if they are both unused. */ - __asm__ __volatile__("swp %0, %2, [%3]" - : "=&r"(oldval), "=&r"(addr) - : "r"(1), "1"(addr) - : "memory"); - return oldval; -} - -#define AO_HAVE_test_and_set_full - -#endif // __ARM_ARCH_x diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/cris.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/cris.h deleted file mode 100644 index 3864905..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/cris.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Most of this code originally comes from Hans-Peter Nilsson. It is included - * here with his permission. - * - * This version has not been tested. It was coped here from a GC - * patch so that we wouldn't lose the code in the upgrade to gc7. - */ - -#include "../all_atomic_load_store.h" - -#include "../ordered.h" /* There are no multiprocessor implementations. */ - -#include "../test_and_set_t_is_ao_t.h" - -/* - * The architecture apparently supports an "f" flag which is - * set on preemption. This essentially gives us load-locked, - * store-conditional primitives, though I'm not quite sure how - * this would work on a hypothetical multiprocessor. -HB - * - * For details, see - * http://developer.axis.com/doc/hardware/etrax100lx/prog_man/ - * 1_architectural_description.pdf - * - * Presumably many other primitives (notably CAS, including the double- - * width versions) could be implemented in this manner, if someone got - * around to it. - */ - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) { - /* Ripped from linuxthreads/sysdeps/cris/pt-machine.h */ - register unsigned long int ret; - - /* Note the use of a dummy output of *addr to expose the write. The - memory barrier is to stop *other* writes being moved past this code. */ - __asm__ __volatile__("clearf\n" - "0:\n\t" - "movu.b [%2],%0\n\t" - "ax\n\t" - "move.b %3,[%2]\n\t" - "bwf 0b\n\t" - "clearf" - : "=&r" (ret), "=m" (*addr) - : "r" (addr), "r" ((int) 1), "m" (*addr) - : "memory"); - return ret; -} - -#define AO_HAVE_test_and_set_full - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/hppa.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/hppa.h deleted file mode 100644 index f303d7f..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/hppa.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Modified by Carlos O'Donell , 2003 - * - Added self-aligning lock. - * - */ - -#include "../all_atomic_load_store.h" - -/* Some architecture set descriptions include special "ordered" memory */ -/* operations. As far as we can tell, no existing processors actually */ -/* require those. Nor does it appear likely that future processors */ -/* will. */ -#include "../ordered.h" - -/* GCC will not guarantee the alignment we need, use four lock words */ -/* and select the correctly aligned datum. See the glibc 2.3.2 */ -/* linuxthread port for the original implementation. */ -struct AO_pa_clearable_loc { - int data[4]; -}; - -#undef AO_TS_INITIALIZER -#define AO_TS_t struct AO_pa_clearable_loc -#define AO_TS_INITIALIZER {1,1,1,1} -/* Switch meaning of set and clear, since we only have an atomic clear */ -/* instruction. */ -typedef enum {AO_PA_TS_set = 0, AO_PA_TS_clear = 1} AO_PA_TS_val; -#define AO_TS_VAL_t AO_PA_TS_val -#define AO_TS_CLEAR AO_PA_TS_clear -#define AO_TS_SET AO_PA_TS_set - -/* The hppa only has one atomic read and modify memory operation, */ -/* load and clear, so hppa spinlocks must use zero to signify that */ -/* someone is holding the lock. The address used for the ldcw */ -/* semaphore must be 16-byte aligned. */ - -#define __ldcw(a) ({ \ - volatile unsigned int __ret; \ - __asm__ __volatile__("ldcw 0(%2),%0" \ - : "=r" (__ret), "=m" (*(a)) : "r" (a)); \ - __ret; \ -}) - -/* Because malloc only guarantees 8-byte alignment for malloc'd data, */ -/* and GCC only guarantees 8-byte alignment for stack locals, we can't */ -/* be assured of 16-byte alignment for atomic lock data even if we */ -/* specify "__attribute ((aligned(16)))" in the type declaration. So, */ -/* we use a struct containing an array of four ints for the atomic lock */ -/* type and dynamically select the 16-byte aligned int from the array */ -/* for the semaphore. */ -#define __PA_LDCW_ALIGNMENT 16 -#define __ldcw_align(a) ({ \ - unsigned long __ret = (unsigned long) a; \ - __ret += __PA_LDCW_ALIGNMENT - 1; \ - __ret &= ~(__PA_LDCW_ALIGNMENT - 1); \ - (volatile unsigned int *) __ret; \ -}) - -/* Works on PA 1.1 and PA 2.0 systems */ -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t * addr) -{ - volatile unsigned int *a = __ldcw_align (addr); - return (AO_TS_VAL_t) __ldcw (a); -} - -AO_INLINE void -AO_pa_clear(volatile AO_TS_t * addr) -{ - volatile unsigned int *a = __ldcw_align (addr); - AO_compiler_barrier(); - *a = 1; -} -#define AO_CLEAR(addr) AO_pa_clear(addr) - -#define AO_HAVE_test_and_set_full - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/ia64.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/ia64.h deleted file mode 100644 index 119b9ed..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/ia64.h +++ /dev/null @@ -1,297 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include "../all_atomic_load_store.h" - -#include "../all_acquire_release_volatile.h" - -#include "../test_and_set_t_is_char.h" - -#ifdef _ILP32 - /* 32-bit HP/UX code. */ - /* This requires pointer "swizzling". Pointers need to be expanded */ - /* to 64 bits using the addp4 instruction before use. This makes it */ - /* hard to share code, but we try anyway. */ -# define AO_LEN "4" - /* We assume that addr always appears in argument position 1 in asm */ - /* code. If it is clobbered due to swizzling, we also need it in */ - /* second position. Any later arguments are referenced symbolically, */ - /* so that we don't have to worry about their position. This requires*/ - /* gcc 3.1, but you shouldn't be using anything older than that on */ - /* IA64 anyway. */ - /* The AO_MASK macro is a workaround for the fact that HP/UX gcc */ - /* appears to otherwise store 64-bit pointers in ar.ccv, i.e. it */ - /* doesn't appear to clear high bits in a pointer value we pass into */ - /* assembly code, even if it is supposedly of type AO_t. */ -# define AO_IN_ADDR "1"(addr) -# define AO_OUT_ADDR , "=r"(addr) -# define AO_SWIZZLE "addp4 %1=0,%1;;\n" -# define AO_MASK(ptr) __asm__("zxt4 %1=%1": "=r"(ptr) : "0"(ptr)); -#else -# define AO_LEN "8" -# define AO_IN_ADDR "r"(addr) -# define AO_OUT_ADDR -# define AO_SWIZZLE -# define AO_MASK(ptr) -#endif - -AO_INLINE void -AO_nop_full() -{ - __asm__ __volatile__("mf" : : : "memory"); -} -#define AO_HAVE_nop_full - -AO_INLINE AO_t -AO_fetch_and_add1_acquire (volatile AO_t *addr) -{ - AO_t result; - - __asm__ __volatile__ (AO_SWIZZLE - "fetchadd" AO_LEN ".acq %0=[%1],1": - "=r" (result) AO_OUT_ADDR: AO_IN_ADDR :"memory"); - return result; -} -#define AO_HAVE_fetch_and_add1_acquire - -AO_INLINE AO_t -AO_fetch_and_add1_release (volatile AO_t *addr) -{ - AO_t result; - - __asm__ __volatile__ (AO_SWIZZLE - "fetchadd" AO_LEN ".rel %0=[%1],1": - "=r" (result) AO_OUT_ADDR: AO_IN_ADDR :"memory"); - return result; -} - -#define AO_HAVE_fetch_and_add1_release - -AO_INLINE AO_t -AO_fetch_and_sub1_acquire (volatile AO_t *addr) -{ - AO_t result; - - __asm__ __volatile__ (AO_SWIZZLE - "fetchadd" AO_LEN ".acq %0=[%1],-1": - "=r" (result) AO_OUT_ADDR: AO_IN_ADDR :"memory"); - return result; -} - -#define AO_HAVE_fetch_and_sub1_acquire - -AO_INLINE AO_t -AO_fetch_and_sub1_release (volatile AO_t *addr) -{ - AO_t result; - - __asm__ __volatile__ (AO_SWIZZLE - "fetchadd" AO_LEN ".rel %0=[%1],-1": - "=r" (result) AO_OUT_ADDR: AO_IN_ADDR :"memory"); - return result; -} - -#define AO_HAVE_fetch_and_sub1_release - -#ifndef _ILP32 - -AO_INLINE unsigned int -AO_int_fetch_and_add1_acquire (volatile unsigned int *addr) -{ - unsigned int result; - - __asm__ __volatile__ ("fetchadd4.acq %0=[%1],1": - "=r" (result): AO_IN_ADDR :"memory"); - return result; -} -#define AO_HAVE_int_fetch_and_add1_acquire - -AO_INLINE unsigned int -AO_int_fetch_and_add1_release (volatile unsigned int *addr) -{ - unsigned int result; - - __asm__ __volatile__ ("fetchadd4.rel %0=[%1],1": - "=r" (result): AO_IN_ADDR :"memory"); - return result; -} - -#define AO_HAVE_int_fetch_and_add1_release - -AO_INLINE unsigned int -AO_int_fetch_and_sub1_acquire (volatile unsigned int *addr) -{ - unsigned int result; - - __asm__ __volatile__ ("fetchadd4.acq %0=[%1],-1": - "=r" (result): AO_IN_ADDR :"memory"); - return result; -} - -#define AO_HAVE_int_fetch_and_sub1_acquire - -AO_INLINE unsigned int -AO_int_fetch_and_sub1_release (volatile unsigned int *addr) -{ - unsigned int result; - - __asm__ __volatile__ ("fetchadd4.rel %0=[%1],-1": - "=r" (result): AO_IN_ADDR :"memory"); - return result; -} - -#define AO_HAVE_int_fetch_and_sub1_release - -#endif /* !_ILP32 */ - -AO_INLINE int -AO_compare_and_swap_acquire(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - AO_t oldval; - AO_MASK(old); - __asm__ __volatile__(AO_SWIZZLE - "mov ar.ccv=%[old] ;; cmpxchg" AO_LEN - ".acq %0=[%1],%[new_val],ar.ccv" - : "=r"(oldval) AO_OUT_ADDR - : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"(old) - : "memory"); - return (oldval == old); -} - -#define AO_HAVE_compare_and_swap_acquire - -AO_INLINE int -AO_compare_and_swap_release(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - AO_t oldval; - AO_MASK(old); - __asm__ __volatile__(AO_SWIZZLE - "mov ar.ccv=%[old] ;; cmpxchg" AO_LEN - ".rel %0=[%1],%[new_val],ar.ccv" - : "=r"(oldval) AO_OUT_ADDR - : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"(old) - : "memory"); - return (oldval == old); -} - -#define AO_HAVE_compare_and_swap_release - -AO_INLINE int -AO_char_compare_and_swap_acquire(volatile unsigned char *addr, - unsigned char old, unsigned char new_val) -{ - unsigned char oldval; - __asm__ __volatile__(AO_SWIZZLE - "mov ar.ccv=%[old] ;; cmpxchg1.acq %0=[%1],%[new_val],ar.ccv" - : "=r"(oldval) AO_OUT_ADDR - : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"((AO_t)old) - : "memory"); - return (oldval == old); -} - -#define AO_HAVE_char_compare_and_swap_acquire - -AO_INLINE int -AO_char_compare_and_swap_release(volatile unsigned char *addr, - unsigned char old, unsigned char new_val) -{ - unsigned char oldval; - __asm__ __volatile__(AO_SWIZZLE - "mov ar.ccv=%[old] ;; cmpxchg1.rel %0=[%1],%[new_val],ar.ccv" - : "=r"(oldval) AO_OUT_ADDR - : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"((AO_t)old) - : "memory"); - return (oldval == old); -} - -#define AO_HAVE_char_compare_and_swap_release - -AO_INLINE int -AO_short_compare_and_swap_acquire(volatile unsigned short *addr, - unsigned short old, unsigned short new_val) -{ - unsigned short oldval; - __asm__ __volatile__(AO_SWIZZLE - "mov ar.ccv=%[old] ;; cmpxchg2.acq %0=[%1],%[new_val],ar.ccv" - : "=r"(oldval) AO_OUT_ADDR - : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"((AO_t)old) - : "memory"); - return (oldval == old); -} - -#define AO_HAVE_short_compare_and_swap_acquire - -AO_INLINE int -AO_short_compare_and_swap_release(volatile unsigned short *addr, - unsigned short old, unsigned short new_val) -{ - unsigned short oldval; - __asm__ __volatile__(AO_SWIZZLE - "mov ar.ccv=%[old] ;; cmpxchg2.rel %0=[%1],%[new_val],ar.ccv" - : "=r"(oldval) AO_OUT_ADDR - : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"((AO_t)old) - : "memory"); - return (oldval == old); -} - -#define AO_HAVE_short_compare_and_swap_release - -#ifndef _ILP32 - -AO_INLINE int -AO_int_compare_and_swap_acquire(volatile unsigned int *addr, - unsigned int old, unsigned int new_val) -{ - unsigned int oldval; - __asm__ __volatile__("mov ar.ccv=%3 ;; cmpxchg4.acq %0=[%1],%2,ar.ccv" - : "=r"(oldval) - : AO_IN_ADDR, "r"(new_val), "r"((AO_t)old) : "memory"); - return (oldval == old); -} - -#define AO_HAVE_int_compare_and_swap_acquire - -AO_INLINE int -AO_int_compare_and_swap_release(volatile unsigned int *addr, - unsigned int old, unsigned int new_val) -{ - unsigned int oldval; - __asm__ __volatile__("mov ar.ccv=%3 ;; cmpxchg4.rel %0=[%1],%2,ar.ccv" - : "=r"(oldval) - : AO_IN_ADDR, "r"(new_val), "r"((AO_t)old) : "memory"); - return (oldval == old); -} - -#define AO_HAVE_int_compare_and_swap_release - -#endif /* !_ILP32 */ - -/* FIXME: Add compare_and_swap_double as soon as there is widely */ -/* available hardware that implements it. */ - -/* FIXME: Add compare_double_and_swap_double for the _ILP32 case. */ - -#ifdef _ILP32 -# include "../ao_t_is_int.h" -#endif diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/m68k.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/m68k.h deleted file mode 100644 index 9e7f70a..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/m68k.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -/* FIXME. Very incomplete. */ -#include "../all_aligned_atomic_load_store.h" - -/* Are there any m68k multiprocessors still around? */ -/* AFAIK, Alliants were sequentially consistent. */ -#include "../ordered.h" - -#include "../test_and_set_t_is_ao_t.h" - -/* Contributed by Tony Mantler or new. Should be changed to MIT license? */ -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) { - int oldval; - - /* The return value is semi-phony. */ - /* 'tas' sets bit 7 while the return */ - /* value pretends bit 0 was set */ - __asm__ __volatile__( - "tas %1@; sne %0; negb %0" - : "=d" (oldval) - : "a" (addr) : "memory"); - return oldval; -} - -#define AO_HAVE_test_and_set_full - - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/powerpc.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/powerpc.h deleted file mode 100644 index 799722a..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/powerpc.h +++ /dev/null @@ -1,270 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -/* FIXME. Incomplete. No support for 64 bits. */ -/* Memory model documented at http://www-106.ibm.com/developerworks/ */ -/* eserver/articles/archguide.html and (clearer) */ -/* http://www-106.ibm.com/developerworks/eserver/articles/powerpc.html. */ -/* There appears to be no implicit ordering between any kind of */ -/* independent memory references. */ -/* Architecture enforces some ordering based on control dependence. */ -/* I don't know if that could help. */ -/* Data-dependent loads are always ordered. */ -/* Based on the above references, eieio is intended for use on */ -/* uncached memory, which we don't support. It does not order loads */ -/* from cached memory. */ -/* Thanks to Maged Michael, Doug Lea, and Roger Hoover for helping to */ -/* track some of this down and correcting my misunderstandings. -HB */ - -#include "../all_aligned_atomic_load_store.h" - -#include "../test_and_set_t_is_ao_t.h" - /* There seems to be no byte equivalent of lwarx, so this */ - /* may really be what we want, at least in the 32-bit case. */ - -AO_INLINE void -AO_nop_full() -{ - __asm__ __volatile__("sync" : : : "memory"); -} - -#define AO_HAVE_nop_full - -/* lwsync apparently works for everything but a StoreLoad barrier. */ -AO_INLINE void -AO_lwsync() -{ - __asm__ __volatile__("lwsync" : : : "memory"); -} - -#define AO_nop_write() AO_lwsync() -#define AO_HAVE_nop_write - -#define AO_nop_read() AO_lwsync() -#define AO_HAVE_nop_read - -/* We explicitly specify load_acquire, since it is important, and can */ -/* be implemented relatively cheaply. It could be implemented */ -/* with an ordinary load followed by a lwsync. But the general wisdom */ -/* seems to be that a data dependent branch followed by an isync is */ -/* cheaper. And the documentation is fairly explicit that this also */ -/* has acquire semantics. */ -/* ppc64 uses ld not lwz */ -#if defined(__powerpc64__) || defined(__ppc64__) || defined(__64BIT__) -AO_INLINE AO_t -AO_load_acquire(volatile AO_t *addr) -{ - AO_t result; - - /* FIXME: We should get gcc to allocate one of the condition */ - /* registers. I always got "impossible constraint" when I */ - /* tried the "y" constraint. */ - __asm__ __volatile__ ( - "ld %0,%1\n" - "cmpw cr7,%0,%0\n" - "bne- cr7,1f\n" - "1: isync\n" - : "=r" (result) - : "m"(*addr) : "memory", "cc"); - return result; -} -#else -AO_INLINE AO_t -AO_load_acquire(volatile AO_t *addr) -{ - AO_t result; - - /* FIXME: We should get gcc to allocate one of the condition */ - /* registers. I always got "impossible constraint" when I */ - /* tried the "y" constraint. */ - __asm__ __volatile__ ( - "lwz%X1 %0,%1\n" - "cmpw cr7,%0,%0\n" - "bne- cr7,1f\n" - "1: isync\n" - : "=r" (result) - : "m"(*addr) : "memory", "cc"); - return result; -} -#endif -#define AO_HAVE_load_acquire - -/* We explicitly specify store_release, since it relies */ -/* on the fact that lwsync is also a LoadStore barrier. */ -AO_INLINE void -AO_store_release(volatile AO_t *addr, AO_t value) -{ - AO_lwsync(); - *addr = value; -} - -#define AO_HAVE_load_acquire - -/* This is similar to the code in the garbage collector. Deleting */ -/* this and having it synthesized from compare_and_swap would probably */ -/* only cost us a load immediate instruction. */ -#if defined(__powerpc64__) || defined(__ppc64__) || defined(__64BIT__) -/* Completely untested. And we should be using smaller objects anyway. */ -AO_INLINE AO_TS_VAL_t -AO_test_and_set(volatile AO_TS_t *addr) { - unsigned long oldval; - unsigned long temp = 1; /* locked value */ - - __asm__ __volatile__( - "1:ldarx %0,0,%1\n" /* load and reserve */ - "cmpdi %0, 0\n" /* if load is */ - "bne 2f\n" /* non-zero, return already set */ - "stdcx. %2,0,%1\n" /* else store conditional */ - "bne- 1b\n" /* retry if lost reservation */ - "2:\n" /* oldval is zero if we set */ - : "=&r"(oldval) - : "r"(addr), "r"(temp) - : "memory", "cc"); - - return (AO_TS_VAL_t)oldval; -} - -#else - -AO_INLINE AO_TS_VAL_t -AO_test_and_set(volatile AO_TS_t *addr) { - int oldval; - int temp = 1; /* locked value */ - - __asm__ __volatile__( - "1:lwarx %0,0,%1\n" /* load and reserve */ - "cmpwi %0, 0\n" /* if load is */ - "bne 2f\n" /* non-zero, return already set */ - "stwcx. %2,0,%1\n" /* else store conditional */ - "bne- 1b\n" /* retry if lost reservation */ - "2:\n" /* oldval is zero if we set */ - : "=&r"(oldval) - : "r"(addr), "r"(temp) - : "memory", "cc"); - - return (AO_TS_VAL_t)oldval; -} - -#endif - -#define AO_have_test_and_set - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_acquire(volatile AO_TS_t *addr) { - AO_TS_VAL_t result = AO_test_and_set(addr); - AO_lwsync(); - return result; -} - -#define AO_HAVE_test_and_set_acquire - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_release(volatile AO_TS_t *addr) { - AO_lwsync(); - return AO_test_and_set(addr); -} - -#define AO_HAVE_test_and_set_release - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) { - AO_TS_VAL_t result; - AO_lwsync(); - result = AO_test_and_set(addr); - AO_lwsync(); - return result; -} - -#define AO_HAVE_test_and_set_full - -#if defined(__powerpc64__) || defined(__ppc64__) || defined(__64BIT__) -/* FIXME: Completely untested. */ -AO_INLINE int -AO_compare_and_swap(volatile AO_t *addr, AO_t old, AO_t new_val) { - AO_t oldval; - int result = 0; - - __asm__ __volatile__( - "1:ldarx %0,0,%2\n" /* load and reserve */ - "cmpd %0, %4\n" /* if load is not equal to */ - "bne 2f\n" /* old, fail */ - "stdcx. %3,0,%2\n" /* else store conditional */ - "bne- 1b\n" /* retry if lost reservation */ - "li %1,1\n" /* result = 1; */ - "2:\n" - : "=&r"(oldval), "=&r"(result) - : "r"(addr), "r"(new_val), "r"(old), "1"(result) - : "memory", "cc"); - - return result; -} - -#else - -AO_INLINE int -AO_compare_and_swap(volatile AO_t *addr, AO_t old, AO_t new_val) { - AO_t oldval; - int result = 0; - - __asm__ __volatile__( - "1:lwarx %0,0,%2\n" /* load and reserve */ - "cmpw %0, %4\n" /* if load is not equal to */ - "bne 2f\n" /* old, fail */ - "stwcx. %3,0,%2\n" /* else store conditional */ - "bne- 1b\n" /* retry if lost reservation */ - "li %1,1\n" /* result = 1; */ - "2:\n" - : "=&r"(oldval), "=&r"(result) - : "r"(addr), "r"(new_val), "r"(old), "1"(result) - : "memory", "cc"); - - return result; -} -#endif - -#define AO_HAVE_compare_and_swap - -AO_INLINE int -AO_compare_and_swap_acquire(volatile AO_t *addr, AO_t old, AO_t new_val) { - int result = AO_compare_and_swap(addr, old, new_val); - AO_lwsync(); - return result; -} - -#define AO_HAVE_compare_and_swap_acquire - -AO_INLINE int -AO_compare_and_swap_release(volatile AO_t *addr, AO_t old, AO_t new_val) { - AO_lwsync(); - return AO_compare_and_swap(addr, old, new_val); -} - -#define AO_HAVE_compare_and_swap_release - -AO_INLINE int -AO_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val) { - AO_t result; - AO_lwsync(); - result = AO_compare_and_swap(addr, old, new_val); - AO_lwsync(); - return result; -} - -#define AO_HAVE_compare_and_swap_full - -/* FIXME: We should also implement fetch_and_add and or primitives */ -/* directly. */ diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/s390.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/s390.h deleted file mode 100644 index 7cb9986..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/s390.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -/* FIXME: untested. */ -/* The relevant documentation appears to be at */ -/* http://publibz.boulder.ibm.com/epubs/pdf/dz9zr003.pdf */ -/* around page 5-96. Apparently: */ -/* - Memory references in general are atomic only for a single */ -/* byte. But it appears that the most common load/store */ -/* instructions also guarantee atomicity for aligned */ -/* operands of standard types. WE FOOLISHLY ASSUME that */ -/* compilers only generate those. If that turns out to be */ -/* wrong, we need inline assembly code for AO_load and */ -/* AO_store. */ -/* - A store followed by a load is unordered since the store */ -/* may be delayed. Otherwise everything is ordered. */ -/* - There is a hardware compare-and-swap (CS) instruction. */ - -#include "ordered_except_wr.h" -#include "all_aligned_atomic_load_store.h" - -#include "../test_and_set_t_is_ao_t.h" -/* FIXME: Is there a way to do byte-sized test-and-set? */ - -/* FIXME: AO_nop_full should probably be implemented directly. */ -/* It appears that certain BCR instructions have that effect. */ -/* Presumably they're cheaper than CS? */ - -AO_INLINE AO_t AO_compare_and_swap_full(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - int retval; - __asm__ __volatile__ ( -# ifndef __s390x__ - " cs %1,%2,0(%3)\n" -# else - " csg %1,%2,0(%3)\n" -# endif - " ipm %0\n" - " srl %0,28\n" - : "=&d" (retval), "+d" (old) - : "d" (new_val), "a" (addr) - : "cc", "memory"); - return retval == 0; -} - -#define AO_HAVE_compare_and_swap_full - -/* FIXME: Add double-wide compare-and-swap for 32-bit executables. */ diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/sparc.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/sparc.h deleted file mode 100644 index 4850855..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/sparc.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - -/* FIXME. Very incomplete. No support for sparc64. */ -/* Non-ancient SPARCs provide compare-and-swap (casa). */ -/* We should make that available. */ - -#include "../all_atomic_load_store.h" - -/* Real SPARC code uses TSO: */ -#include "../ordered_except_wr.h" - -/* Test_and_set location is just a byte. */ -#include "../test_and_set_t_is_char.h" - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) { - int oldval; - - __asm__ __volatile__("ldstub %1,%0" - : "=r"(oldval), "=m"(*addr) - : "m"(*addr) : "memory"); - return oldval; -} - -#define AO_HAVE_test_and_set_full - -/* FIXME: This needs to be extended for SPARC v8 and v9. */ -/* SPARC V8 also has swap. V9 has CAS. */ -/* There are barriers like membar #LoadStore. */ -/* CASA (32-bit) and CASXA(64-bit) instructions were */ -/* added in V9. */ diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86.h deleted file mode 100644 index 96fd2cb..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86.h +++ /dev/null @@ -1,170 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - * Some of the machine specific code was borrowed from our GC distribution. - */ - -/* The following really assume we have a 486 or better. Unfortunately */ -/* gcc doesn't define a suitable feature test macro based on command */ -/* line options. */ -/* We should perhaps test dynamically. */ - -#include "../all_aligned_atomic_load_store.h" - -/* Real X86 implementations, except for some old WinChips, appear */ -/* to enforce ordering between memory operations, EXCEPT that a later */ -/* read can pass earlier writes, presumably due to the visible */ -/* presence of store buffers. */ -/* We ignore both the WinChips, and the fact that the official specs */ -/* seem to be much weaker (and arguably too weak to be usable). */ - -#include "../ordered_except_wr.h" - -#include "../test_and_set_t_is_char.h" - -#include "../standard_ao_double_t.h" - -#if defined(AO_USE_PENTIUM4_INSTRS) -AO_INLINE void -AO_nop_full() -{ - __asm__ __volatile__("mfence" : : : "memory"); -} - -#define AO_HAVE_nop_full - -#else - -/* We could use the cpuid instruction. But that seems to be slower */ -/* than the default implementation based on test_and_set_full. Thus */ -/* we omit that bit of misinformation here. */ - -#endif - -/* As far as we can tell, the lfence and sfence instructions are not */ -/* currently needed or useful for cached memory accesses. */ - -/* Really only works for 486 and later */ -AO_INLINE AO_t -AO_fetch_and_add_full (volatile AO_t *p, AO_t incr) -{ - AO_t result; - - __asm__ __volatile__ ("lock; xaddl %0, %1" : - "=r" (result), "=m" (*p) : "0" (incr), "m" (*p) - : "memory"); - return result; -} - -#define AO_HAVE_fetch_and_add_full - -AO_INLINE unsigned char -AO_char_fetch_and_add_full (volatile unsigned char *p, unsigned char incr) -{ - unsigned char result; - - __asm__ __volatile__ ("lock; xaddb %0, %1" : - "=q" (result), "=m" (*p) : "0" (incr), "m" (*p) - : "memory"); - return result; -} - -#define AO_HAVE_char_fetch_and_add_full - -AO_INLINE unsigned short -AO_short_fetch_and_add_full (volatile unsigned short *p, unsigned short incr) -{ - unsigned short result; - - __asm__ __volatile__ ("lock; xaddw %0, %1" : - "=r" (result), "=m" (*p) : "0" (incr), "m" (*p) - : "memory"); - return result; -} - -#define AO_HAVE_short_fetch_and_add_full - -/* Really only works for 486 and later */ -AO_INLINE void -AO_or_full (volatile AO_t *p, AO_t incr) -{ - __asm__ __volatile__ ("lock; orl %1, %0" : - "=m" (*p) : "r" (incr), "m" (*p) : "memory"); -} - -#define AO_HAVE_or_full - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) -{ - unsigned char oldval; - /* Note: the "xchg" instruction does not need a "lock" prefix */ - __asm__ __volatile__("xchgb %0, %1" - : "=q"(oldval), "=m"(*addr) - : "0"(0xff), "m"(*addr) : "memory"); - return (AO_TS_VAL_t)oldval; -} - -#define AO_HAVE_test_and_set_full - -/* Returns nonzero if the comparison succeeded. */ -AO_INLINE int -AO_compare_and_swap_full(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - char result; - __asm__ __volatile__("lock; cmpxchgl %3, %0; setz %1" - : "=m"(*addr), "=q"(result) - : "m"(*addr), "r" (new_val), "a"(old) : "memory"); - return (int) result; -} - -#define AO_HAVE_compare_and_swap_full - -/* Returns nonzero if the comparison succeeded. */ -/* Really requires at least a Pentium. */ -AO_INLINE int -AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, - AO_t old_val1, AO_t old_val2, - AO_t new_val1, AO_t new_val2) -{ - char result; - #if __PIC__ - /* If PIC is turned on, we can't use %ebx as it is reserved for the - GOT poiner. We can save and restore %ebx because GCC won't be - using it for anything else (such as any of the m operands) */ - __asm__ __volatile__("pushl %%ebx;" /* save ebx used for PIC GOT ptr */ - "movl %6,%%ebx;" /* move new_val2 to %ebx */ - "lock; cmpxchg8b %0; setz %1;" - "pop %%ebx;" /* restore %ebx */ - : "=m"(*addr), "=q"(result) - : "m"(*addr), "d" (old_val2), "a" (old_val1), - "c" (new_val2), "m" (new_val1) : "memory"); - #else - /* We can't just do the same thing in non-PIC mode, because GCC - * might be using %ebx as the memory operand. We could have ifdef'd - * in a clobber, but there's no point doing the push/pop if we don't - * have to. */ - __asm__ __volatile__("lock; cmpxchg8b %0; setz %1;" - : "=m"(*addr), "=q"(result) - : "m"(*addr), "d" (old_val2), "a" (old_val1), - "c" (new_val2), "b" (new_val1) : "memory"); - #endif - return (int) result; -} - -#define AO_HAVE_compare_double_and_swap_double_full - -#include "../ao_t_is_int.h" diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86.h.orig b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86.h.orig deleted file mode 100644 index 0b344a7..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86.h.orig +++ /dev/null @@ -1,157 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - * Some of the machine specific code was borrowed from our GC distribution. - */ - -/* The following really assume we have a 486 or better. Unfortunately */ -/* gcc doesn't define a suitable feature test macro based on command */ -/* line options. */ -/* We should perhaps test dynamically. */ - -#include "../all_aligned_atomic_load_store.h" - -/* Real X86 implementations, except for some old WinChips, appear */ -/* to enforce ordering between memory operations, EXCEPT that a later */ -/* read can pass earlier writes, presumably due to the visible */ -/* presence of store buffers. */ -/* We ignore both the WinChips, and the fact that the official specs */ -/* seem to be much weaker (and arguably too weak to be usable). */ - -#include "../ordered_except_wr.h" - -#include "../test_and_set_t_is_char.h" - -#include "../standard_ao_double_t.h" - -#if defined(AO_USE_PENTIUM4_INSTRS) -AO_INLINE void -AO_nop_full() -{ - __asm__ __volatile__("mfence" : : : "memory"); -} - -#define AO_HAVE_nop_full - -#else - -/* We could use the cpuid instruction. But that seems to be slower */ -/* than the default implementation based on test_and_set_full. Thus */ -/* we omit that bit of misinformation here. */ - -#endif - -/* As far as we can tell, the lfence and sfence instructions are not */ -/* currently needed or useful for cached memory accesses. */ - -/* Really only works for 486 and later */ -AO_INLINE AO_t -AO_fetch_and_add_full (volatile AO_t *p, AO_t incr) -{ - AO_t result; - - __asm__ __volatile__ ("lock; xaddl %0, %1" : - "=r" (result), "=m" (*p) : "0" (incr), "m" (*p) - : "memory"); - return result; -} - -#define AO_HAVE_fetch_and_add_full - -AO_INLINE unsigned char -AO_char_fetch_and_add_full (volatile unsigned char *p, unsigned char incr) -{ - unsigned char result; - - __asm__ __volatile__ ("lock; xaddb %0, %1" : - "=q" (result), "=m" (*p) : "0" (incr), "m" (*p) - : "memory"); - return result; -} - -#define AO_HAVE_char_fetch_and_add_full - -AO_INLINE unsigned short -AO_short_fetch_and_add_full (volatile unsigned short *p, unsigned short incr) -{ - unsigned short result; - - __asm__ __volatile__ ("lock; xaddw %0, %1" : - "=r" (result), "=m" (*p) : "0" (incr), "m" (*p) - : "memory"); - return result; -} - -#define AO_HAVE_short_fetch_and_add_full - -/* Really only works for 486 and later */ -AO_INLINE void -AO_or_full (volatile AO_t *p, AO_t incr) -{ - __asm__ __volatile__ ("lock; orl %1, %0" : - "=m" (*p) : "r" (incr), "m" (*p) : "memory"); -} - -#define AO_HAVE_or_full - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) -{ - unsigned char oldval; - /* Note: the "xchg" instruction does not need a "lock" prefix */ - __asm__ __volatile__("xchgb %0, %1" - : "=q"(oldval), "=m"(*addr) - : "0"(0xff), "m"(*addr) : "memory"); - return (AO_TS_VAL_t)oldval; -} - -#define AO_HAVE_test_and_set_full - -/* Returns nonzero if the comparison succeeded. */ -AO_INLINE int -AO_compare_and_swap_full(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - char result; - __asm__ __volatile__("lock; cmpxchgl %3, %0; setz %1" - : "=m"(*addr), "=q"(result) - : "m"(*addr), "r" (new_val), "a"(old) : "memory"); - return (int) result; -} - -#define AO_HAVE_compare_and_swap_full - -/* Returns nonzero if the comparison succeeded. */ -/* Really requires at least a Pentium. */ -AO_INLINE int -AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, - AO_t old_val1, AO_t old_val2, - AO_t new_val1, AO_t new_val2) -{ - char result; - register AO_t nv1 asm("%ebx") = new_val1; - /* The above hack seems to avoid a gcc error complaining */ - /* that ebx is unavailable. */ - - __asm__ __volatile__("lock; cmpxchg8b %0; setz %1" - : "=m"(*addr), "=q"(result) - : "m"(*addr), "a" (old_val1), "d" (old_val2), - "b" (nv1), "c" (new_val2) : "memory"); - return (int) result; -} - -#define AO_HAVE_compare_double_and_swap_double_full - -#include "../ao_t_is_int.h" diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86.h.rej b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86.h.rej deleted file mode 100644 index 7a741cb..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86.h.rej +++ /dev/null @@ -1,40 +0,0 @@ -*************** -*** 141,150 **** - AO_t new_val1, AO_t new_val2) - { - char result; -- __asm__ __volatile__("lock; cmpxchg8b %0; setz %1" - : "=m"(*addr), "=q"(result) -- : "m"(*addr), "d" (old_val1), "a" (old_val2), -- "c" (new_val1), "b" (new_val2) : "memory"); - return (int) result; - } - ---- 141,167 ---- - AO_t new_val1, AO_t new_val2) - { - char result; -+ #if __PIC__ -+ /* If PIC is turned on, we can't use %ebx as it is reserved for the -+ GOT poiner. We can save and restore %ebx because GCC won't be -+ using it for anything else (such as any of the m operands) */ -+ __asm__ __volatile__("pushl %%ebx;" /* save ebx used for PIC GOT ptr */ -+ "movl %6,%%ebx;" /* move new_val2 to %ebx */ -+ "lock; cmpxchg8b %0; setz %1;" -+ "pop %%ebx;" /* restore %ebx */ - : "=m"(*addr), "=q"(result) -+ : "m"(*addr), "d" (old_val2), "a" (old_val1), -+ "c" (new_val2), "m" (new_val1) : "memory"); -+ #else -+ /* We can't just do the same thing in non-PIC mode, because GCC -+ * might be using %ebx as the memory operand. We could have ifdef'd -+ * in a clobber, but there's no point doing the push/pop if we don't -+ * have to. */ -+ __asm__ __volatile__("lock; cmpxchg8b %0; setz %1;" -+ : "=m"(*addr), "=q"(result) -+ : "m"(*addr), "d" (old_val2), "a" (old_val1), -+ "c" (new_val2), "b" (new_val1) : "memory"); -+ #endif - return (int) result; - } - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86_64.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86_64.h deleted file mode 100644 index 91e99e6..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86_64.h +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. - * - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - * Some of the machine specific code was borrowed from our GC distribution. - */ - -/* The following really assume we have a 486 or better. Unfortunately */ -/* gcc doesn't define a suitable feature test macro based on command */ -/* line options. */ -/* We should perhaps test dynamically. */ - -#include "../all_aligned_atomic_load_store.h" - -/* Real X86 implementations, except for some old WinChips, appear */ -/* to enforce ordering between memory operations, EXCEPT that a later */ -/* read can pass earlier writes, presumably due to the visible */ -/* presence of store buffers. */ -/* We ignore both the WinChips, and the fact that the official specs */ -/* seem to be much weaker (and arguably too weak to be usable). */ - -#include "../ordered_except_wr.h" - -#include "../test_and_set_t_is_char.h" - -#include "../standard_ao_double_t.h" - -#if defined(AO_USE_PENTIUM4_INSTRS) -AO_INLINE void -AO_nop_full() -{ - __asm__ __volatile__("mfence" : : : "memory"); -} - -#define AO_HAVE_nop_full - -#else - -/* We could use the cpuid instruction. But that seems to be slower */ -/* than the default implementation based on test_and_set_full. Thus */ -/* we omit that bit of misinformation here. */ - -#endif - -/* As far as we can tell, the lfence and sfence instructions are not */ -/* currently needed or useful for cached memory accesses. */ - -/* Really only works for 486 and later */ -AO_INLINE AO_t -AO_fetch_and_add_full (volatile AO_t *p, AO_t incr) -{ - AO_t result; - - __asm__ __volatile__ ("lock; xaddq %0, %1" : - "=r" (result), "=m" (*p) : "0" (incr), "m" (*p) - : "memory"); - return result; -} - -#define AO_HAVE_fetch_and_add_full - -AO_INLINE unsigned char -AO_char_fetch_and_add_full (volatile unsigned char *p, unsigned char incr) -{ - unsigned char result; - - __asm__ __volatile__ ("lock; xaddb %0, %1" : - "=q" (result), "=m" (*p) : "0" (incr), "m" (*p) - : "memory"); - return result; -} - -#define AO_HAVE_char_fetch_and_add_full - -AO_INLINE unsigned short -AO_short_fetch_and_add_full (volatile unsigned short *p, unsigned short incr) -{ - unsigned short result; - - __asm__ __volatile__ ("lock; xaddw %0, %1" : - "=r" (result), "=m" (*p) : "0" (incr), "m" (*p) - : "memory"); - return result; -} - -#define AO_HAVE_short_fetch_and_add_full - -AO_INLINE unsigned short -AO_int_fetch_and_add_full (volatile unsigned int *p, unsigned int incr) -{ - unsigned int result; - - __asm__ __volatile__ ("lock; xaddl %0, %1" : - "=r" (result), "=m" (*p) : "0" (incr), "m" (*p) - : "memory"); - return result; -} - -#define AO_HAVE_int_fetch_and_add_full - -/* Really only works for 486 and later */ -AO_INLINE void -AO_or_full (volatile AO_t *p, AO_t incr) -{ - __asm__ __volatile__ ("lock; orq %1, %0" : - "=m" (*p) : "r" (incr), "m" (*p) : "memory"); -} - -#define AO_HAVE_or_full - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) -{ - unsigned char oldval; - /* Note: the "xchg" instruction does not need a "lock" prefix */ - __asm__ __volatile__("xchgb %0, %1" - : "=q"(oldval), "=m"(*addr) - : "0"(0xff), "m"(*addr) : "memory"); - return (AO_TS_VAL_t)oldval; -} - -#define AO_HAVE_test_and_set_full - -/* Returns nonzero if the comparison succeeded. */ -AO_INLINE int -AO_compare_and_swap_full(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - char result; - __asm__ __volatile__("lock; cmpxchgq %3, %0; setz %1" - : "=m"(*addr), "=q"(result) - : "m"(*addr), "r" (new_val), "a"(old) : "memory"); - return (int) result; -} - -#define AO_HAVE_compare_and_swap_full - -#ifdef AO_CMPXCHG16B_AVAILABLE -/* NEC LE-IT: older AMD Opterons are missing this instruction. - * On these machines SIGILL will be thrown. Define AO_CASDOUBLE_MISSING - * to have an emulated (lock based) version available */ -/* HB: Changed this to not define either by default. There are - * enough machines and tool chains around on which cmpxchg16b - * doesn't work. And the emulation is unsafe by our usual rules. - * Hoewever both are clearly useful in certain cases. - */ -AO_INLINE int -AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, - AO_t old_val1, AO_t old_val2, - AO_t new_val1, AO_t new_val2) -{ - char result; - __asm__ __volatile__("lock; cmpxchg16b %0; setz %1" - : "=m"(*addr), "=q"(result) - : "m"(*addr), - "d" (old_val1), - "a" (old_val2), - "c" (new_val1), - "b" (new_val2) : "memory"); - return (int) result; -} -#define AO_HAVE_compare_double_and_swap_double_full -#else -/* this one provides spinlock based emulation of CAS implemented in */ -/* atomic_ops.c. We probably do not want to do this here, since it is */ -/* not attomic with respect to other kinds of updates of *addr. On the */ -/* other hand, this may be a useful facility on occasion. */ -#ifdef AO_WEAK_DOUBLE_CAS_EMULATION -int AO_compare_double_and_swap_double_emulation(volatile AO_double_t *addr, - AO_t old_val1, AO_t old_val2, - AO_t new_val1, AO_t new_val2); - -AO_INLINE int -AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, - AO_t old_val1, AO_t old_val2, - AO_t new_val1, AO_t new_val2) -{ - return AO_compare_double_and_swap_double_emulation(addr, - old_val1, old_val2, - new_val1, new_val2); -} -#define AO_HAVE_compare_double_and_swap_double_full -#endif /* AO_WEAK_DOUBLE_CAS_EMULATION */ -#endif /* AO_CMPXCHG16B_AVAILABLE */ diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/generic_pthread.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/generic_pthread.h deleted file mode 100644 index 8d17c0a..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/generic_pthread.h +++ /dev/null @@ -1,289 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* The following is useful primarily for debugging and documentation. */ -/* We define various atomic operations by acquiring a global pthread */ -/* lock. The resulting implementation will perform poorly, but should */ -/* be correct unless it is used from signal handlers. */ -/* We assume that all pthread operations act like full memory barriers. */ -/* (We believe that is the intent of the specification.) */ - -#include - -#include "test_and_set_t_is_ao_t.h" - /* This is not necessarily compatible with the native */ - /* implementation. But those can't be safely mixed anyway. */ - -/* We define only the full barrier variants, and count on the */ -/* generalization section below to fill in the rest. */ -extern pthread_mutex_t AO_pt_lock; - -AO_INLINE void -AO_nop_full() -{ - pthread_mutex_lock(&AO_pt_lock); - pthread_mutex_unlock(&AO_pt_lock); -} - -#define AO_HAVE_nop_full - -AO_INLINE AO_t -AO_load_full(volatile AO_t *addr) -{ - AO_t result; - pthread_mutex_lock(&AO_pt_lock); - result = *addr; - pthread_mutex_unlock(&AO_pt_lock); - return result; -} - -#define AO_HAVE_load_full - -AO_INLINE void -AO_store_full(volatile AO_t *addr, AO_t val) -{ - pthread_mutex_lock(&AO_pt_lock); - *addr = val; - pthread_mutex_unlock(&AO_pt_lock); -} - -#define AO_HAVE_store_full - -AO_INLINE unsigned char -AO_char_load_full(volatile unsigned char *addr) -{ - unsigned char result; - pthread_mutex_lock(&AO_pt_lock); - result = *addr; - pthread_mutex_unlock(&AO_pt_lock); - return result; -} - -#define AO_HAVE_char_load_full - -AO_INLINE void -AO_char_store_full(volatile unsigned char *addr, unsigned char val) -{ - pthread_mutex_lock(&AO_pt_lock); - *addr = val; - pthread_mutex_unlock(&AO_pt_lock); -} - -#define AO_HAVE_char_store_full - -AO_INLINE unsigned short -AO_short_load_full(volatile unsigned short *addr) -{ - unsigned short result; - pthread_mutex_lock(&AO_pt_lock); - result = *addr; - pthread_mutex_unlock(&AO_pt_lock); - return result; -} - -#define AO_HAVE_short_load_full - -AO_INLINE void -AO_short_store_full(volatile unsigned short *addr, unsigned short val) -{ - pthread_mutex_lock(&AO_pt_lock); - *addr = val; - pthread_mutex_unlock(&AO_pt_lock); -} - -#define AO_HAVE_short_store_full - -AO_INLINE unsigned int -AO_int_load_full(volatile unsigned int *addr) -{ - unsigned int result; - pthread_mutex_lock(&AO_pt_lock); - result = *addr; - pthread_mutex_unlock(&AO_pt_lock); - return result; -} - -#define AO_HAVE_int_load_full - -AO_INLINE void -AO_int_store_full(volatile unsigned int *addr, unsigned int val) -{ - pthread_mutex_lock(&AO_pt_lock); - *addr = val; - pthread_mutex_unlock(&AO_pt_lock); -} - -#define AO_HAVE_int_store_full - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) -{ - AO_TS_VAL_t result; - pthread_mutex_lock(&AO_pt_lock); - result = (AO_TS_VAL_t)(*addr); - *addr = AO_TS_SET; - pthread_mutex_unlock(&AO_pt_lock); - assert(result == AO_TS_SET || result == AO_TS_CLEAR); - return result; -} - -#define AO_HAVE_test_and_set_full - -AO_INLINE AO_t -AO_fetch_and_add_full(volatile AO_t *p, AO_t incr) -{ - AO_t tmp; - - pthread_mutex_lock(&AO_pt_lock); - tmp = *p; - *p = tmp + incr; - pthread_mutex_unlock(&AO_pt_lock); - return tmp; -} - -#define AO_HAVE_fetch_and_add_full - -AO_INLINE unsigned char -AO_char_fetch_and_add_full(volatile unsigned char *p, unsigned char incr) -{ - unsigned char tmp; - - pthread_mutex_lock(&AO_pt_lock); - tmp = *p; - *p = tmp + incr; - pthread_mutex_unlock(&AO_pt_lock); - return tmp; -} - -#define AO_HAVE_char_fetch_and_add_full - -AO_INLINE unsigned short -AO_short_fetch_and_add_full(volatile unsigned short *p, unsigned short incr) -{ - unsigned short tmp; - - pthread_mutex_lock(&AO_pt_lock); - tmp = *p; - *p = tmp + incr; - pthread_mutex_unlock(&AO_pt_lock); - return tmp; -} - -#define AO_HAVE_short_fetch_and_add_full - -AO_INLINE unsigned int -AO_int_fetch_and_add_full(volatile unsigned int *p, unsigned int incr) -{ - unsigned int tmp; - - pthread_mutex_lock(&AO_pt_lock); - tmp = *p; - *p = tmp + incr; - pthread_mutex_unlock(&AO_pt_lock); - return tmp; -} - -#define AO_HAVE_int_fetch_and_add_full - -AO_INLINE void -AO_or_full(volatile AO_t *p, AO_t incr) -{ - AO_t tmp; - - pthread_mutex_lock(&AO_pt_lock); - tmp = *p; - *p = (tmp | incr); - pthread_mutex_unlock(&AO_pt_lock); -} - -#define AO_HAVE_or_full - -AO_INLINE int -AO_compare_and_swap_full(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - pthread_mutex_lock(&AO_pt_lock); - if (*addr == old) - { - *addr = new_val; - pthread_mutex_unlock(&AO_pt_lock); - return 1; - } - else - pthread_mutex_unlock(&AO_pt_lock); - return 0; -} - -#define AO_HAVE_compare_and_swap_full - -/* Unlike real architectures, we define both double-width CAS variants. */ - -typedef struct { - AO_t AO_val1; - AO_t AO_val2; -} AO_double_t; - -#define AO_HAVE_double_t - -AO_INLINE int -AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, - AO_t old1, AO_t old2, - AO_t new1, AO_t new2) -{ - pthread_mutex_lock(&AO_pt_lock); - if (addr -> AO_val1 == old1 && addr -> AO_val2 == old2) - { - addr -> AO_val1 = new1; - addr -> AO_val2 = new2; - pthread_mutex_unlock(&AO_pt_lock); - return 1; - } - else - pthread_mutex_unlock(&AO_pt_lock); - return 0; -} - -#define AO_HAVE_compare_double_and_swap_double_full - -AO_INLINE int -AO_compare_and_swap_double_full(volatile AO_double_t *addr, - AO_t old1, - AO_t new1, AO_t new2) -{ - pthread_mutex_lock(&AO_pt_lock); - if (addr -> AO_val1 == old1) - { - addr -> AO_val1 = new1; - addr -> AO_val2 = new2; - pthread_mutex_unlock(&AO_pt_lock); - return 1; - } - else - pthread_mutex_unlock(&AO_pt_lock); - return 0; -} - -#define AO_HAVE_compare_and_swap_double_full - -/* We can't use hardware loads and stores, since they don't */ -/* interact correctly with atomic updates. */ - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/CVS/Entries b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/CVS/Entries deleted file mode 100644 index 713384a..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/CVS/Entries +++ /dev/null @@ -1,3 +0,0 @@ -/hppa.h/1.1/Tue Jul 11 22:55:09 2006// -/ia64.h/1.1/Tue Jul 11 22:55:09 2006// -D diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/CVS/Repository b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/CVS/Repository deleted file mode 100644 index d5750ca..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/CVS/Root b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/hppa.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/hppa.h deleted file mode 100644 index 80bd94c..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/hppa.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Derived from the corresponsing header file for gcc. - * - */ - -#include "../atomic_load_store.h" - -/* Some architecture set descriptions include special "ordered" memory */ -/* operations. As far as we can tell, no existing processors actually */ -/* require those. Nor does it appear likely that future processors */ -/* will. */ -/* FIXME: */ -/* The PA emulator on Itanium may obey weaker restrictions. */ -/* There should be a mode in which we don't assume sequential */ -/* consistency here. */ -#include "../ordered.h" - -#include - -/* GCC will not guarantee the alignment we need, use four lock words */ -/* and select the correctly aligned datum. See the glibc 2.3.2 */ -/* linuxthread port for the original implementation. */ -struct AO_pa_clearable_loc { - int data[4]; -}; - -#undef AO_TS_INITIALIZER -#define AO_TS_t struct AO_pa_clearable_loc -#define AO_TS_INITIALIZER {1,1,1,1} -/* Switch meaning of set and clear, since we only have an atomic clear */ -/* instruction. */ -typedef enum {AO_PA_TS_set = 0, AO_PA_TS_clear = 1} AO_PA_TS_val; -#define AO_TS_VAL_t AO_PA_TS_val -#define AO_TS_CLEAR AO_PA_TS_clear -#define AO_TS_SET AO_PA_TS_set - -/* The hppa only has one atomic read and modify memory operation, */ -/* load and clear, so hppa spinlocks must use zero to signify that */ -/* someone is holding the lock. The address used for the ldcw */ -/* semaphore must be 16-byte aligned. */ - -#define __ldcw(a, ret) \ - _LDCWX(0 /* index */, 0 /* s */, a /* base */, ret); - -/* Because malloc only guarantees 8-byte alignment for malloc'd data, */ -/* and GCC only guarantees 8-byte alignment for stack locals, we can't */ -/* be assured of 16-byte alignment for atomic lock data even if we */ -/* specify "__attribute ((aligned(16)))" in the type declaration. So, */ -/* we use a struct containing an array of four ints for the atomic lock */ -/* type and dynamically select the 16-byte aligned int from the array */ -/* for the semaphore. */ -#define __PA_LDCW_ALIGNMENT 16 - -#define __ldcw_align(a, ret) { \ - ret = (unsigned long) a; \ - ret += __PA_LDCW_ALIGNMENT - 1; \ - ret &= ~(__PA_LDCW_ALIGNMENT - 1); \ -} - -/* Works on PA 1.1 and PA 2.0 systems */ -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t * addr) -{ - register unsigned int ret; - register unsigned long a; - __ldcw_align (addr, a); - __ldcw (a, ret); - return ret; -} - -AO_INLINE void -AO_pa_clear(volatile AO_TS_t * addr) -{ - unsigned long a; - __ldcw_align (addr,a); - AO_compiler_barrier(); - *(volatile unsigned int *)a = 1; -} -#define AO_CLEAR(addr) AO_pa_clear(addr) - -#define AO_HAVE_test_and_set_full - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/ia64.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/ia64.h deleted file mode 100644 index 99fdbb2..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/hpc/ia64.h +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * This file specifies Itanimum primitives for use with the HP compiler - * unde HP/UX. We use intrinsics instead of the inline assembly code in the - * gcc file. - */ - -#include "../all_atomic_load_store.h" - -#include "../all_acquire_release_volatile.h" - -#include "../test_and_set_t_is_char.h" - -#include - -#ifdef __LP64__ -# define AO_T_FASIZE _FASZ_D -# define AO_T_SIZE _SZ_D -#else -# define AO_T_FASIZE _FASZ_W -# define AO_T_SIZE _SZ_W -#endif - -AO_INLINE void -AO_nop_full() -{ - _Asm_mf(); -} -#define AO_HAVE_nop_full - -AO_INLINE AO_t -AO_fetch_and_add1_acquire (volatile AO_t *p) -{ - return _Asm_fetchadd(AO_T_FASIZE, _SEM_ACQ, p, 1, - _LDHINT_NONE, _DOWN_MEM_FENCE); -} -#define AO_HAVE_fetch_and_add1_acquire - -AO_INLINE AO_t -AO_fetch_and_add1_release (volatile AO_t *p) -{ - return _Asm_fetchadd(AO_T_FASIZE, _SEM_REL, p, 1, - _LDHINT_NONE, _UP_MEM_FENCE); -} - -#define AO_HAVE_fetch_and_add1_release - -AO_INLINE AO_t -AO_fetch_and_sub1_acquire (volatile AO_t *p) -{ - return _Asm_fetchadd(AO_T_FASIZE, _SEM_ACQ, p, -1, - _LDHINT_NONE, _DOWN_MEM_FENCE); -} - -#define AO_HAVE_fetch_and_sub1_acquire - -AO_INLINE AO_t -AO_fetch_and_sub1_release (volatile AO_t *p) -{ - return _Asm_fetchadd(AO_T_FASIZE, _SEM_REL, p, -1, - _LDHINT_NONE, _UP_MEM_FENCE); -} - -#define AO_HAVE_fetch_and_sub1_release - -AO_INLINE int -AO_compare_and_swap_acquire(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - AO_t oldval; - - _Asm_mov_to_ar(_AREG_CCV, old, _DOWN_MEM_FENCE); - oldval = _Asm_cmpxchg(AO_T_SIZE, _SEM_ACQ, addr, - new_val, _LDHINT_NONE, _DOWN_MEM_FENCE); - return (oldval == old); -} - -#define AO_HAVE_compare_and_swap_acquire - -AO_INLINE int -AO_compare_and_swap_release(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - AO_t oldval; - _Asm_mov_to_ar(_AREG_CCV, old, _UP_MEM_FENCE); - oldval = _Asm_cmpxchg(AO_T_SIZE, _SEM_REL, addr, - new_val, _LDHINT_NONE, _UP_MEM_FENCE); - /* Hopefully the compiler knows not to reorder the above two? */ - return (oldval == old); -} - -#define AO_HAVE_compare_and_swap_release - -AO_INLINE int -AO_char_compare_and_swap_acquire(volatile unsigned char *addr, - unsigned char old, unsigned char new_val) -{ - unsigned char oldval; - - _Asm_mov_to_ar(_AREG_CCV, old, _DOWN_MEM_FENCE); - oldval = _Asm_cmpxchg(_SZ_B, _SEM_ACQ, addr, - new_val, _LDHINT_NONE, _DOWN_MEM_FENCE); - return (oldval == old); -} - -#define AO_HAVE_char_compare_and_swap_acquire - -AO_INLINE int -AO_char_compare_and_swap_release(volatile unsigned char *addr, - unsigned char old, unsigned char new_val) -{ - unsigned char oldval; - _Asm_mov_to_ar(_AREG_CCV, old, _UP_MEM_FENCE); - oldval = _Asm_cmpxchg(_SZ_B, _SEM_REL, addr, - new_val, _LDHINT_NONE, _UP_MEM_FENCE); - /* Hopefully the compiler knows not to reorder the above two? */ - return (oldval == old); -} - -#define AO_HAVE_char_compare_and_swap_release - -AO_INLINE int -AO_short_compare_and_swap_acquire(volatile unsigned short *addr, - unsigned short old, unsigned short new_val) -{ - unsigned short oldval; - - _Asm_mov_to_ar(_AREG_CCV, old, _DOWN_MEM_FENCE); - oldval = _Asm_cmpxchg(_SZ_B, _SEM_ACQ, addr, - new_val, _LDHINT_NONE, _DOWN_MEM_FENCE); - return (oldval == old); -} - -#define AO_HAVE_short_compare_and_swap_acquire - -AO_INLINE int -AO_short_compare_and_swap_release(volatile unsigned short *addr, - unsigned short old, unsigned short new_val) -{ - unsigned short oldval; - _Asm_mov_to_ar(_AREG_CCV, old, _UP_MEM_FENCE); - oldval = _Asm_cmpxchg(_SZ_B, _SEM_REL, addr, - new_val, _LDHINT_NONE, _UP_MEM_FENCE); - /* Hopefully the compiler knows not to reorder the above two? */ - return (oldval == old); -} - -#define AO_HAVE_short_compare_and_swap_release - -#ifndef __LP64__ -# include "../ao_t_is_int.h" -#endif - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/CVS/Entries b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/CVS/Entries deleted file mode 100644 index 2d002e7..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/CVS/Entries +++ /dev/null @@ -1,2 +0,0 @@ -/powerpc.h/1.1/Tue Jul 11 22:55:09 2006// -D diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/CVS/Repository b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/CVS/Repository deleted file mode 100644 index 9dc7cad..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/CVS/Root b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/powerpc.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/powerpc.h deleted file mode 100644 index d1f9c50..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/powerpc.h +++ /dev/null @@ -1,126 +0,0 @@ -/* FIXME. This is only a placeholder for the AIX compiler. */ -/* It doesn't work. Please send a patch. */ -/* Memory model documented at http://www-106.ibm.com/developerworks/ */ -/* eserver/articles/archguide.html and (clearer) */ -/* http://www-106.ibm.com/developerworks/eserver/articles/powerpc.html. */ -/* There appears to be no implicit ordering between any kind of */ -/* independent memory references. */ -/* Architecture enforces some ordering based on control dependence. */ -/* I don't know if that could help. */ -/* Data-dependent loads are always ordered. */ -/* Based on the above references, eieio is intended for use on */ -/* uncached memory, which we don't support. It does not order loads */ -/* from cached memory. */ -/* Thanks to Maged Michael, Doug Lea, and Roger Hoover for helping to */ -/* track some of this down and correcting my misunderstandings. -HB */ - -#include "../all_aligned_atomic_load_store.h" - -void AO_sync(void); -#pragma mc_func AO_sync { "7c0004ac" } - -void AO_lwsync(void); -#pragma mc_func AO_lwsync { "7c2004ac" } - -#define AO_nop_write() AO_lwsync() -#define AO_HAVE_nop_write - -#define AO_nop_read() AO_lwsync() -#define AO_HAVE_nop_read - -/* We explicitly specify load_acquire and store_release, since these */ -/* rely on the fact that lwsync is also a LoadStore barrier. */ -AO_INLINE AO_t -AO_load_acquire(volatile AO_t *addr) -{ - AO_t result = *addr; - AO_lwsync(); - return result; -} - -#define AO_HAVE_load_acquire - -AO_INLINE void -AO_store_release(volatile AO_t *addr, AO_t value) -{ - AO_lwsync(); - *addr = value; -} - -#define AO_HAVE_load_acquire - -/* This is similar to the code in the garbage collector. Deleting */ -/* this and having it synthesized from compare_and_swap would probably */ -/* only cost us a load immediate instruction. */ -AO_INLINE AO_TS_VAL_t -AO_test_and_set(volatile AO_TS_t *addr) { -# error Implement me -} - -#define AO_have_test_and_set - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_acquire(volatile AO_TS_t *addr) { - AO_TS_VAL_t result = AO_test_and_set(addr); - AO_lwsync(); - return result; -} - -#define AO_HAVE_test_and_set_acquire - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_release(volatile AO_TS_t *addr) { - AO_lwsync(); - return AO_test_and_set(addr); -} - -#define AO_HAVE_test_and_set_release - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) { - AO_TS_VAL_t result; - AO_lwsync(); - result = AO_test_and_set(addr); - AO_lwsync(); - return result; -} - -#define AO_HAVE_test_and_set_full - -AO_INLINE AO_t -AO_compare_and_swap(volatile AO_t *addr, AO_t old, AO_t new_val) { -# error Implement me -} - -#define AO_HAVE_compare_and_swap - -AO_INLINE AO_t -AO_compare_and_swap_acquire(volatile AO_t *addr, AO_t old, AO_t new_val) { - AO_t result = AO_compare_and_swap(addr, old, new_val); - AO_lwsync(); - return result; -} - -#define AO_HAVE_compare_and_swap_acquire - -AO_INLINE AO_t -AO_compare_and_swap_release(volatile AO_t *addr, AO_t old, AO_t new_val) { - AO_lwsync(); - return AO_compare_and_swap(addr, old, new_val); -} - -#define AO_HAVE_compare_and_swap_release - -AO_INLINE AO_t -AO_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val) { - AO_t result; - AO_lwsync(); - result = AO_compare_and_swap(addr, old, new_val); - AO_lwsync(); - return result; -} - -#define AO_HAVE_compare_and_swap_full - -/* FIXME: We should also implement fetch_and_add and or primitives */ -/* directly. */ diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/CVS/Entries b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/CVS/Entries deleted file mode 100644 index 3bc850d..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/CVS/Entries +++ /dev/null @@ -1,2 +0,0 @@ -/ia64.h/1.1/Tue Jul 11 22:55:09 2006// -D diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/CVS/Repository b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/CVS/Repository deleted file mode 100644 index 005e592..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/CVS/Root b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/ia64.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/ia64.h deleted file mode 100644 index 358ddda..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/icc/ia64.h +++ /dev/null @@ -1,225 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * This file specifies Itanimum primitives for use with the Intel (ecc) - * compiler. We use intrinsics instead of the inline assembly code in the - * gcc file. - */ - -#include "../all_atomic_load_store.h" - -#include "../test_and_set_t_is_char.h" - -#include - -/* The acquire release semantics of volatile can be turned off. And volatile */ -/* operations in icc9 don't imply ordering with respect to other nonvolatile */ -/* operations. */ - -#define AO_INTEL_PTR_t void * - -AO_INLINE AO_t -AO_load_acquire(volatile AO_t *p) -{ - return (AO_t)(__ld8_acq((AO_INTEL_PTR_t)p)); -} -#define AO_HAVE_load_acquire - -AO_INLINE void -AO_store_release(volatile AO_t *p, AO_t val) -{ - __st8_rel((AO_INTEL_PTR_t)p, (__int64)val); -} -#define AO_HAVE_store_release - -AO_INLINE unsigned char -AO_char_load_acquire(volatile unsigned char *p) -{ - /* A normal volatile load generates an ld.acq */ - return (__ld1_acq((AO_INTEL_PTR_t)p)); -} -#define AO_HAVE_char_load_acquire - -AO_INLINE void -AO_char_store_release(volatile unsigned char *p, unsigned char val) -{ - __st1_rel((AO_INTEL_PTR_t)p, val); -} -#define AO_HAVE_char_store_release - -AO_INLINE unsigned short -AO_short_load_acquire(volatile unsigned short *p) -{ - /* A normal volatile load generates an ld.acq */ - return (__ld2_acq((AO_INTEL_PTR_t)p)); -} -#define AO_HAVE_short_load_acquire - -AO_INLINE void -AO_short_store_release(volatile unsigned short *p, unsigned short val) -{ - __st2_rel((AO_INTEL_PTR_t)p, val); -} -#define AO_HAVE_short_store_release - -AO_INLINE unsigned int -AO_int_load_acquire(volatile unsigned int *p) -{ - /* A normal volatile load generates an ld.acq */ - return (__ld4_acq((AO_INTEL_PTR_t)p)); -} -#define AO_HAVE_int_load_acquire - -AO_INLINE void -AO_int_store_release(volatile unsigned int *p, unsigned int val) -{ - __st4_rel((AO_INTEL_PTR_t)p, val); -} -#define AO_HAVE_int_store_release - -AO_INLINE void -AO_nop_full() -{ - __mf(); -} -#define AO_HAVE_nop_full - -AO_INLINE AO_t -AO_fetch_and_add1_acquire (volatile AO_t *p) -{ - return __fetchadd8_acq((unsigned __int64 *)p, 1); -} -#define AO_HAVE_fetch_and_add1_acquire - -AO_INLINE AO_t -AO_fetch_and_add1_release (volatile AO_t *p) -{ - return __fetchadd8_rel((unsigned __int64 *)p, 1); -} - -#define AO_HAVE_fetch_and_add1_release - -AO_INLINE AO_t -AO_fetch_and_sub1_acquire (volatile AO_t *p) -{ - return __fetchadd8_acq((unsigned __int64 *)p, -1); -} - -#define AO_HAVE_fetch_and_sub1_acquire - -AO_INLINE AO_t -AO_fetch_and_sub1_release (volatile AO_t *p) -{ - return __fetchadd8_rel((unsigned __int64 *)p, -1); -} - -#define AO_HAVE_fetch_and_sub1_release - -AO_INLINE int -AO_compare_and_swap_acquire(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - AO_t oldval; - oldval = _InterlockedCompareExchange64_acq(addr, new_val, old); - return (oldval == old); -} - -#define AO_HAVE_compare_and_swap_acquire - -AO_INLINE int -AO_compare_and_swap_release(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - AO_t oldval; - oldval = _InterlockedCompareExchange64_rel(addr, new_val, old); - return (oldval == old); -} - -#define AO_HAVE_compare_and_swap_release - -AO_INLINE int -AO_char_compare_and_swap_acquire(volatile unsigned char *addr, - unsigned char old, unsigned char new_val) -{ - unsigned char oldval; - oldval = _InterlockedCompareExchange8_acq(addr, new_val, old); - return (oldval == old); -} - -#define AO_HAVE_char_compare_and_swap_acquire - -AO_INLINE int -AO_char_compare_and_swap_release(volatile unsigned char *addr, - unsigned char old, unsigned char new_val) -{ - unsigned char oldval; - oldval = _InterlockedCompareExchange8_rel(addr, new_val, old); - return (oldval == old); -} - -#define AO_HAVE_char_compare_and_swap_release - -AO_INLINE int -AO_short_compare_and_swap_acquire(volatile unsigned short *addr, - unsigned short old, unsigned short new_val) -{ - unsigned short oldval; - oldval = _InterlockedCompareExchange16_acq(addr, new_val, old); - return (oldval == old); -} - -#define AO_HAVE_short_compare_and_swap_acquire - -AO_INLINE int -AO_short_compare_and_swap_release(volatile unsigned short *addr, - unsigned short old, unsigned short new_val) -{ - unsigned short oldval; - oldval = _InterlockedCompareExchange16_rel(addr, new_val, old); - return (oldval == old); -} - -#define AO_HAVE_short_compare_and_swap_release - -AO_INLINE int -AO_int_compare_and_swap_acquire(volatile unsigned int *addr, - unsigned int old, unsigned int new_val) -{ - unsigned int oldval; - oldval = _InterlockedCompareExchange_acq(addr, new_val, old); - return (oldval == old); -} - -#define AO_HAVE_int_compare_and_swap_acquire - -AO_INLINE int -AO_int_compare_and_swap_release(volatile unsigned int *addr, - unsigned int old, unsigned int new_val) -{ - unsigned int oldval; - oldval = _InterlockedCompareExchange_rel(addr, new_val, old); - return (oldval == old); -} - -#define AO_HAVE_int_compare_and_swap_release - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/int_acquire_release_volatile.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/int_acquire_release_volatile.h deleted file mode 100644 index e0a6ed0..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/int_acquire_release_volatile.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * This file adds definitions appropriate for environments in which an unsigned - * int volatile load has acquire semantics, and an unsigned short volatile - * store has release semantics. This is true with the standard Itanium ABI. - */ -#if !defined(AO_GCC_BARRIER) -# if defined(__GNUC__) -# define AO_GCC_BARRIER() AO_compiler_barrier() -# else -# define AO_GCC_BARRIER() -# endif -#endif - -AO_INLINE unsigned int -AO_int_load_acquire(volatile unsigned int *p) -{ - unsigned int result = *p; - /* A normal volatile load generates an ld.acq */ - AO_GCC_BARRIER(); - return result; -} -#define AO_HAVE_int_load_acquire - -AO_INLINE void -AO_int_store_release(volatile unsigned int *p, unsigned int val) -{ - AO_GCC_BARRIER(); - /* A normal volatile store generates an st.rel */ - *p = val; -} -#define AO_HAVE_int_store_release - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h deleted file mode 100644 index 62927d2..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Definitions for architecturs on which loads and stores of unsigned int are - * atomic fo all legal alignments. - */ - -AO_INLINE unsigned int -AO_int_load(volatile unsigned int *addr) -{ - assert(((size_t)addr & (sizeof(unsigned int) - 1)) == 0); - /* Cast away the volatile for architectures like IA64 where */ - /* volatile adds barrier semantics. */ - return (*(unsigned int *)addr); -} - -#define AO_HAVE_int_load - -AO_INLINE void -AO_int_store(volatile unsigned int *addr, unsigned int new_val) -{ - assert(((size_t)addr & (sizeof(unsigned int) - 1)) == 0); - (*(unsigned int *)addr) = new_val; -} - -#define AO_HAVE_int_store - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/int_atomic_load_store.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/int_atomic_load_store.h deleted file mode 100644 index b2a4813..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/int_atomic_load_store.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Definitions for architecturs on which loads and stores of unsigned int are - * atomic for all legal alignments. - */ - -AO_INLINE unsigned int -AO_int_load(volatile unsigned int *addr) -{ - /* Cast away the volatile for architectures like IA64 where */ - /* volatile adds barrier semantics. */ - return (*(unsigned int *)addr); -} - -#define AO_HAVE_int_load - -AO_INLINE void -AO_int_store(volatile unsigned int *addr, unsigned int new_val) -{ - (*(unsigned int *)addr) = new_val; -} - -#define AO_HAVE_int_store - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/CVS/Entries b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/CVS/Entries deleted file mode 100644 index 139c764..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/CVS/Entries +++ /dev/null @@ -1,3 +0,0 @@ -/x86_64.h/1.2/Fri Jan 4 01:05:59 2008// -/x86.h/1.5/Tue Jan 8 01:34:38 2008// -D diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/CVS/Repository b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/CVS/Repository deleted file mode 100644 index 27ed54a..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/CVS/Root b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/x86.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/x86.h deleted file mode 100644 index 81c67a1..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/x86.h +++ /dev/null @@ -1,197 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* The following really assume we have a 486 or better. */ -/* If ASSUME_WINDOWS98 is defined, we assume Windows 98 or newer. */ -/* If ASSUME_VISTA is defined, we assume Windows Server 2003, Vista */ -/* or later. */ - -#include "../all_aligned_atomic_load_store.h" - -/* Real X86 implementations, except for some old WinChips, appear */ -/* to enforce ordering between memory operations, EXCEPT that a later */ -/* read can pass earlier writes, presumably due to the visible */ -/* presence of store buffers. */ -/* We ignore both the WinChips, and the fact that the official specs */ -/* seem to be much weaker (and arguably too weak to be usable). */ - -#include "../ordered_except_wr.h" - -#include "../test_and_set_t_is_char.h" - -#include - /* Seems like over-kill, but that's what MSDN recommends. */ - /* And apparently winbase.h is not always self-contained. */ - -#if _MSC_VER < 1310 - -#define _InterlockedIncrement InterlockedIncrement -#define _InterlockedDecrement InterlockedDecrement -#define _InterlockedExchange InterlockedExchange -#define _InterlockedExchangeAdd InterlockedExchangeAdd -#define _InterlockedCompareExchange InterlockedCompareExchange - -#else - -#if _MSC_VER >= 1400 -#include - -#pragma intrinsic (_ReadWriteBarrier) - -#else -#ifdef __cplusplus -extern "C" { -#endif - -LONG __cdecl _InterlockedIncrement(LONG volatile *Addend); -LONG __cdecl _InterlockedDecrement(LONG volatile *Addend); -LONG __cdecl _InterlockedExchangeAdd(LONG volatile* Target, LONG Addend); -LONG __cdecl _InterlockedExchange(LONG volatile* Target, LONG Value); -LONG __cdecl _InterlockedCompareExchange(LONG volatile* Dest, - LONG Exchange, LONG Comp); - -#ifdef __cplusplus -} -#endif -#endif /* _MSC_VER >= 1400 */ - -#pragma intrinsic (_InterlockedIncrement) -#pragma intrinsic (_InterlockedDecrement) -#pragma intrinsic (_InterlockedExchange) -#pragma intrinsic (_InterlockedExchangeAdd) -#pragma intrinsic (_InterlockedCompareExchange) - -#endif /* _MSC_VER < 1310 */ - -/* As far as we can tell, the lfence and sfence instructions are not */ -/* currently needed or useful for cached memory accesses. */ - -/* Unfortunately mfence doesn't exist everywhere. */ -/* IsProcessorFeaturePresent(PF_COMPARE_EXCHANGE128) is */ -/* probably a conservative test for it? */ - -#if defined(AO_USE_PENTIUM4_INSTRS) - -AO_INLINE void -AO_nop_full() -{ - __asm { mfence } -} - -#define AO_HAVE_nop_full - -#else - -/* We could use the cpuid instruction. But that seems to be slower */ -/* than the default implementation based on test_and_set_full. Thus */ -/* we omit that bit of misinformation here. */ - -#endif - -AO_INLINE AO_t -AO_fetch_and_add_full (volatile AO_t *p, AO_t incr) -{ - return _InterlockedExchangeAdd((LONG volatile*)p, (LONG)incr); -} - -#define AO_HAVE_fetch_and_add_full - -AO_INLINE AO_t -AO_fetch_and_add1_full (volatile AO_t *p) -{ - return _InterlockedIncrement((LONG volatile *)p) - 1; -} - -#define AO_HAVE_fetch_and_add1_full - -AO_INLINE AO_t -AO_fetch_and_sub1_full (volatile AO_t *p) -{ - return _InterlockedDecrement((LONG volatile *)p) + 1; -} - -#define AO_HAVE_fetch_and_sub1_full - -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) -{ - __asm - { - mov eax,AO_TS_SET ; - mov ebx,addr ; - xchg byte ptr [ebx],al ; - } -} - -#define AO_HAVE_test_and_set_full - -#ifdef AO_ASSUME_WINDOWS98 -/* Returns nonzero if the comparison succeeded. */ -AO_INLINE int -AO_compare_and_swap_full(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - return _InterlockedCompareExchange((LONG volatile *)addr, - (LONG)new_val, (LONG)old) - == (LONG)old; -} - -#define AO_HAVE_compare_and_swap_full -#endif /* ASSUME_WINDOWS98 */ - -#ifdef _WIN64 -# error wrong architecture -#endif - -#ifdef ASSUME_VISTA -/* NEC LE-IT: whenever we run on a pentium class machine we have that - * certain function */ - -#include "../standard_ao_double_t.h" -#pragma intrinsic (_InterlockedCompareExchange64) -/* Returns nonzero if the comparison succeeded. */ -AO_INLINE int -AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, - AO_t old_val1, AO_t old_val2, - AO_t new_val1, AO_t new_val2) -{ - __int64 oldv = (__int64)old_val2 | ((__int64)old_val1 << 32); - __int64 newv = (__int64)new_val2 | ((__int64)new_val1 << 32); - return _InterlockedCompareExchange64((__int64 volatile *)addr, - newv, oldv) == oldv; -} -#define AO_HAVE_compare_double_and_swap_double_full - -#ifdef __cplusplus -AO_INLINE int -AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, - AO_double_t old_val, - AO_double_t new_val) -{ - return _InterlockedCompareExchange64((__int64 volatile *)addr, - new_val.AO_whole, old_val.AO_whole) == old_val.AO_whole; -} -#define AO_HAVE_double_compare_and_swap_full -#endif // __cplusplus -#endif /* ASSUME_VISTA */ - -#include "../ao_t_is_int.h" diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/x86_64.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/x86_64.h deleted file mode 100644 index ca1a682..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/msftc/x86_64.h +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* The following really assume we have a 486 or better. */ -/* If ASSUME_WINDOWS98 is defined, we assume Windows 98 or newer. */ - -#include "../all_aligned_atomic_load_store.h" - -/* Real X86 implementations, except for some old WinChips, appear */ -/* to enforce ordering between memory operations, EXCEPT that a later */ -/* read can pass earlier writes, presumably due to the visible */ -/* presence of store buffers. */ -/* We ignore both the WinChips, and the fact that the official specs */ -/* seem to be much weaker (and arguably too weak to be usable). */ - -#include "../ordered_except_wr.h" - -#if 0 -FIXME: Need to reimplement testandset - -#include "../test_and_set_t_is_char.h" - -#else - -#include "../test_and_set_t_is_ao_t.h" - -#endif - -#include - /* Seems like over-kill, but that's what MSDN recommends. */ - /* And apparently winbase.h is not always self-contained. */ - - -#include - -#pragma intrinsic (_ReadWriteBarrier) - -#ifdef __cplusplus -extern "C" { -#endif - -LONGLONG __cdecl _InterlockedIncrement64(LONGLONG volatile *Addend); -LONGLONG __cdecl _InterlockedDecrement64(LONGLONG volatile *Addend); -LONGLONG __cdecl _InterlockedExchangeAdd64(LONGLONG volatile* Target, - LONGLONG Addend); -LONGLONG __cdecl _InterlockedExchange64(LONGLONG volatile* Target, - LONGLONG Value); -LONGLONG __cdecl _InterlockedCompareExchange64(LONGLONG volatile* Dest, - LONGLONG Exchange, - LONGLONG Comp); - -#ifdef __cplusplus -} -#endif - -#pragma intrinsic (_InterlockedIncrement64) -#pragma intrinsic (_InterlockedDecrement64) -#pragma intrinsic (_InterlockedExchange64) -#pragma intrinsic (_InterlockedExchangeAdd64) -#pragma intrinsic (_InterlockedCompareExchange64) - -/* As far as we can tell, the lfence and sfence instructions are not */ -/* currently needed or useful for cached memory accesses. */ - -/* Unfortunately mfence doesn't exist everywhere. */ -/* IsProcessorFeaturePresent(PF_COMPARE_EXCHANGE128) is */ -/* probably a conservative test for it? */ - -#if defined(AO_USE_PENTIUM4_INSTRS) - -AO_INLINE void -AO_nop_full() -{ - __asm { mfence } -} - -#define AO_HAVE_nop_full - -#else - -/* We could use the cpuid instruction. But that seems to be slower */ -/* than the default implementation based on test_and_set_full. Thus */ -/* we omit that bit of misinformation here. */ - -#endif - -AO_INLINE AO_t -AO_fetch_and_add_full (volatile AO_t *p, AO_t incr) -{ - return _InterlockedExchangeAdd64((LONGLONG volatile *)p, (LONGLONG)incr); -} - -#define AO_HAVE_fetch_and_add_full - -AO_INLINE AO_t -AO_fetch_and_add1_full (volatile AO_t *p) -{ - return _InterlockedIncrement64((LONGLONG volatile *)p) - 1; -} - -#define AO_HAVE_fetch_and_add1_full - -AO_INLINE AO_t -AO_fetch_and_sub1_full (volatile AO_t *p) -{ - return _InterlockedDecrement64((LONGLONG volatile *)p) + 1; -} - -#define AO_HAVE_fetch_and_sub1_full - -AO_INLINE int -AO_compare_and_swap_full(volatile AO_t *addr, - AO_t old, AO_t new_val) -{ - return _InterlockedCompareExchange64((LONGLONG volatile *)addr, - (LONGLONG)new_val, (LONGLONG)old) - == (LONGLONG)old; -} - -#define AO_HAVE_compare_and_swap_full - -#if 0 -FIXME: (__asm not supported) -AO_INLINE AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr) -{ - __asm - { - mov eax,AO_TS_SET ; - mov ebx,addr ; - xchg byte ptr [ebx],al ; - } -} - -#define AO_HAVE_test_and_set_full - -FIXME: (__asm not supported) -NEC LE-IT: Don't have a working Win64 environment here at the moment. -AO_compare_double_and_swap_double_full needs implementation for Win64 -But there is no _InterlockedCompareExchange128 in the WinAPI, so we -need basically whats given below. -Also see gcc/x86_64.h for partial old opteron workaround: - -#ifndef AO_CASDOUBLE_MISSING - -AO_INLINE int -AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, - AO_t old_val1, AO_t old_val2, - AO_t new_val1, AO_t new_val2) -{ - char result; - __asm - { - mov rdx,QWORD PTR [old_val] - mov rax,QWORD PTR [old_val + 8] - mov rcx,QWORD PTR [new_val] - mov rbx,QWORD PTR [new_val + 8] - lock cmpxchg16b [addr] - setz result; - } - return result; -} -#endif // AO_CASDOUBLE_MISSING -#define AO_HAVE_compare_double_and_swap_double_full - -#endif /* 0 */ - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ordered.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ordered.h deleted file mode 100644 index 2bcd8d8..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ordered.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * These are common definitions for architectures that provide processor - * ordered memory operations. - */ - -#include "ordered_except_wr.h" - -AO_INLINE void -AO_nop_full() -{ - AO_compiler_barrier(); -} - -#define AO_HAVE_nop_full - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ordered_except_wr.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ordered_except_wr.h deleted file mode 100644 index 4f29303..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ordered_except_wr.h +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * These are common definitions for architectures that provide processor - * ordered memory operations except that a later read may pass an - * earlier write. Real x86 implementations seem to be in this category, - * except apparently for some IDT WinChips, which we ignore. - */ - -#include "read_ordered.h" - -AO_INLINE void -AO_nop_write() -{ - AO_compiler_barrier(); - /* sfence according to Intel docs. Pentium 3 and up. */ - /* Unnecessary for cached accesses? */ -} - -#define AO_HAVE_NOP_WRITE - -#if defined(AO_HAVE_store) - -AO_INLINE void -AO_store_write(volatile AO_t *addr, AO_t val) -{ - AO_compiler_barrier(); - AO_store(addr, val); -} -# define AO_HAVE_store_write - -# define AO_store_release(addr, val) AO_store_write(addr, val) -# define AO_HAVE_store_release - -#endif /* AO_HAVE_store */ - -#if defined(AO_HAVE_char_store) - -AO_INLINE void -AO_char_store_write(volatile unsigned char *addr, unsigned char val) -{ - AO_compiler_barrier(); - AO_char_store(addr, val); -} -# define AO_HAVE_char_store_write - -# define AO_char_store_release(addr, val) AO_char_store_write(addr, val) -# define AO_HAVE_char_store_release - -#endif /* AO_HAVE_char_store */ - -#if defined(AO_HAVE_short_store) - -AO_INLINE void -AO_short_store_write(volatile unsigned short *addr, unsigned short val) -{ - AO_compiler_barrier(); - AO_short_store(addr, val); -} -# define AO_HAVE_short_store_write - -# define AO_short_store_release(addr, val) AO_short_store_write(addr, val) -# define AO_HAVE_short_store_release - -#endif /* AO_HAVE_short_store */ - -#if defined(AO_HAVE_int_store) - -AO_INLINE void -AO_int_store_write(volatile unsigned int *addr, unsigned int val) -{ - AO_compiler_barrier(); - AO_int_store(addr, val); -} -# define AO_HAVE_int_store_write - -# define AO_int_store_release(addr, val) AO_int_store_write(addr, val) -# define AO_HAVE_int_store_release - -#endif /* AO_HAVE_int_store */ - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/read_ordered.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/read_ordered.h deleted file mode 100644 index e928881..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/read_ordered.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * These are common definitions for architectures that provide processor - * ordered memory operations except that a later read may pass an - * earlier write. Real x86 implementations seem to be in this category, - * except apparently for some IDT WinChips, which we ignore. - */ - -AO_INLINE void -AO_nop_read() -{ - AO_compiler_barrier(); -} - -#define AO_HAVE_NOP_READ - -#ifdef AO_HAVE_load - -AO_INLINE AO_t -AO_load_read(volatile AO_t *addr) -{ - AO_t result = AO_load(addr); - AO_compiler_barrier(); - return result; -} -#define AO_HAVE_load_read - -#define AO_load_acquire(addr) AO_load_read(addr) -#define AO_HAVE_load_acquire - -#endif /* AO_HAVE_load */ - -#ifdef AO_HAVE_char_load - -AO_INLINE AO_t -AO_char_load_read(volatile unsigned char *addr) -{ - AO_t result = AO_char_load(addr); - AO_compiler_barrier(); - return result; -} -#define AO_HAVE_char_load_read - -#define AO_char_load_acquire(addr) AO_char_load_read(addr) -#define AO_HAVE_char_load_acquire - -#endif /* AO_HAVE_char_load */ - -#ifdef AO_HAVE_short_load - -AO_INLINE AO_t -AO_short_load_read(volatile unsigned short *addr) -{ - AO_t result = AO_short_load(addr); - AO_compiler_barrier(); - return result; -} -#define AO_HAVE_short_load_read - -#define AO_short_load_acquire(addr) AO_short_load_read(addr) -#define AO_HAVE_short_load_acquire - -#endif /* AO_HAVE_short_load */ - -#ifdef AO_HAVE_int_load - -AO_INLINE AO_t -AO_int_load_read(volatile unsigned int *addr) -{ - AO_t result = AO_int_load(addr); - AO_compiler_barrier(); - return result; -} -#define AO_HAVE_int_load_read - -#define AO_int_load_acquire(addr) AO_int_load_read(addr) -#define AO_HAVE_int_load_acquire - -#endif /* AO_HAVE_int_load */ - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/short_acquire_release_volatile.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/short_acquire_release_volatile.h deleted file mode 100644 index 035ada7..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/short_acquire_release_volatile.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * This file adds definitions appropriate for environments in which an unsigned short - * volatile load has acquire semantics, and an unsigned short volatile store has release - * semantics. This is true with the standard Itanium ABI. - */ -#if !defined(AO_GCC_BARRIER) -# if defined(__GNUC__) -# define AO_GCC_BARRIER() AO_compiler_barrier() -# else -# define AO_GCC_BARRIER() -# endif -#endif - -AO_INLINE unsigned short -AO_short_load_acquire(volatile unsigned short *p) -{ - unsigned short result = *p; - /* A normal volatile load generates an ld.acq */ - AO_GCC_BARRIER(); - return result; -} -#define AO_HAVE_short_load_acquire - -AO_INLINE void -AO_short_store_release(volatile unsigned short *p, unsigned short val) -{ - AO_GCC_BARRIER(); - /* A normal volatile store generates an st.rel */ - *p = val; -} -#define AO_HAVE_short_store_release - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/short_aligned_atomic_load_store.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/short_aligned_atomic_load_store.h deleted file mode 100644 index 3b285b8..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/short_aligned_atomic_load_store.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Definitions for architecturs on which loads and stores of unsigned short are - * atomic fo all legal alignments. - */ - -AO_INLINE unsigned short -AO_short_load(volatile unsigned short *addr) -{ - assert(((size_t)addr & (sizeof(unsigned short) - 1)) == 0); - /* Cast away the volatile for architectures like IA64 where */ - /* volatile adds barrier semantics. */ - return (*(unsigned short *)addr); -} - -#define AO_HAVE_short_load - -AO_INLINE void -AO_short_store(volatile unsigned short *addr, unsigned short new_val) -{ - assert(((size_t)addr & (sizeof(unsigned short) - 1)) == 0); - (*(unsigned short *)addr) = new_val; -} - -#define AO_HAVE_short_store - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/short_atomic_load_store.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/short_atomic_load_store.h deleted file mode 100644 index f1b5281..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/short_atomic_load_store.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * Definitions for architecturs on which loads and stores of unsigned short are - * atomic for all legal alignments. - */ - -AO_INLINE unsigned short -AO_short_load(volatile unsigned short *addr) -{ - /* Cast away the volatile for architectures like IA64 where */ - /* volatile adds barrier semantics. */ - return (*(unsigned short *)addr); -} - -#define AO_HAVE_short_load - -AO_INLINE void -AO_short_store(volatile unsigned short *addr, unsigned short new_val) -{ - (*(unsigned short *)addr) = new_val; -} - -#define AO_HAVE_short_store - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/standard_ao_double_t.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/standard_ao_double_t.h deleted file mode 100644 index 22e8160..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/standard_ao_double_t.h +++ /dev/null @@ -1,36 +0,0 @@ -/* NEC LE-IT: For 64Bit OS we extend the double type to hold two int64's -* -* x86-64: __m128 serves as placeholder which also requires the compiler -* to align it on 16 byte boundary (as required by cmpxchg16. -* Similar things could be done for PowerPC 64bit using a VMX data type... */ - -#if defined(__GNUC__) -# if defined(__x86_64__) -# include - typedef __m128 double_ptr_storage; -# define AO_HAVE_DOUBLE_PTR_STORAGE -# endif /* __x86_64__ */ -#endif - -#ifdef _MSC_VER -# ifdef _WIN64 - typedef __m128 double_ptr_storage; -# define AO_HAVE_DOUBLE_PTR_STORAGE -# elif _WIN32 - typedef unsigned __int64 double_ptr_storage; -# define AO_HAVE_DOUBLE_PTR_STORAGE -# endif -#endif - -#ifndef AO_HAVE_DOUBLE_PTR_STORAGE - typedef unsigned long long double_ptr_storage; -#endif - -typedef union { - double_ptr_storage AO_whole; - struct {AO_t AO_v1; AO_t AO_v2;} AO_parts; -} AO_double_t; - -#define AO_HAVE_double_t -#define AO_val1 AO_parts.AO_v1 -#define AO_val2 AO_parts.AO_v2 diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/CVS/Entries b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/CVS/Entries deleted file mode 100644 index 50a2371..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/CVS/Entries +++ /dev/null @@ -1,3 +0,0 @@ -/sparc.S/1.1/Tue Jul 11 22:55:09 2006// -/sparc.h/1.1/Tue Jul 11 22:55:09 2006// -D diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/CVS/Repository b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/CVS/Repository deleted file mode 100644 index 7d409cd..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/CVS/Repository +++ /dev/null @@ -1 +0,0 @@ -bdwgc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/CVS/Root b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/CVS/Root deleted file mode 100644 index 2b506b3..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/CVS/Root +++ /dev/null @@ -1 +0,0 @@ -:ext:hboehm@bdwgc.cvs.sourceforge.net:/cvsroot/bdwgc diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/sparc.S b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/sparc.S deleted file mode 100644 index 81f0ef0..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/sparc.S +++ /dev/null @@ -1,5 +0,0 @@ - .seg "text" - .globl AO_test_and_set_full -AO_test_and_set_full: - retl - ldstub [%o0],%o0 diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/sparc.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/sparc.h deleted file mode 100644 index 3578722..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/sunc/sparc.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include "../all_atomic_load_store.h" - -/* Real SPARC code uses TSO: */ -#include "../ordered_except_wr.h" - -/* Test_and_set location is just a byte. */ -#include "../test_and_set_t_is_char.h" - -extern AO_TS_VAL_t -AO_test_and_set_full(volatile AO_TS_t *addr); -/* Implemented in separate .S file, for now. */ - -#define AO_HAVE_test_and_set_full - -/* FIXME: Like the gcc version, this needs to be extended for V8 */ -/* and V9. */ diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h deleted file mode 100644 index 663bccf..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * These are common definitions for architectures on which test_and_set - * operates on pointer-sized quantities, the "clear" value contains - * all zeroes, and the "set" value contains all ones. - * This can be used if test_and_set is synthesized from compare_and_swap. - */ -typedef enum {AO_TS_clear = 0, AO_TS_set = 1} AO_TS_val; -#define AO_TS_VAL_t AO_TS_val -#define AO_TS_CLEAR AO_TS_clear -#define AO_TS_SET AO_TS_set - -#define AO_TS_t AO_t - -#define AO_AO_TS_T 1 diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/test_and_set_t_is_char.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/test_and_set_t_is_char.h deleted file mode 100644 index bde0f21..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/test_and_set_t_is_char.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* - * These are common definitions for architectures on which test_and_set - * operates on byte sized quantities, the "clear" value contains - * all zeroes, and the "set" value contains all ones. - */ - -#define AO_TS_t unsigned char -typedef enum {AO_BYTE_TS_clear = 0, AO_BYTE_TS_set = 0xff} AO_BYTE_TS_val; -#define AO_TS_VAL_t AO_BYTE_TS_val -#define AO_TS_CLEAR AO_BYTE_TS_clear -#define AO_TS_SET AO_BYTE_TS_set - -#define AO_CHAR_TS_T 1 - - - diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops_malloc.c b/vendor/gc/libatomic_ops-1.2/src/atomic_ops_malloc.c deleted file mode 100644 index dff4908..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops_malloc.c +++ /dev/null @@ -1,288 +0,0 @@ -/* - * Copyright (c) 2005 Hewlett-Packard Development Company, L.P. - * Original Author: Hans Boehm - * - * This file may be redistributed and/or modified under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2, or (at your option) any later version. - * - * It is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License in the - * file doc/COPYING for more details. - */ - -#if defined(HAVE_CONFIG_H) -# include "config.h" -#endif - -#define AO_REQUIRE_CAS -#include "atomic_ops_stack.h" -#include /* for ffs, which is assumed reentrant. */ -#include -#ifdef AO_TRACE_MALLOC -# include -# include -#endif - -/* - * We round up each allocation request to the next power of two - * minus one word. - * We keep one stack of free objects for each size. Each object - * has an initial word (offset -sizeof(AO_t) from the visible pointer) - * which contains either - * The binary log of the object size in bytes (small objects) - * The object size (a multiple of CHUNK_SIZE) for large objects. - * The second case only arises if mmap-based allocation is supported. - * We align the user-visible part of each object on a GRANULARITY - * byte boundary. That means that the actual (hidden) start of - * the object starts a word before this boundary. - */ - -#ifndef LOG_MAX_SIZE -# define LOG_MAX_SIZE 16 - /* We assume that 2**LOG_MAX_SIZE is a multiple of page size. */ -#endif - -#ifndef ALIGNMENT -# define ALIGNMENT 16 - /* Assumed to be at least sizeof(AO_t). */ -#endif - -#define CHUNK_SIZE (1 << LOG_MAX_SIZE) - -#ifndef AO_INITIAL_HEAP_SIZE -# define AO_INITIAL_HEAP_SIZE (2*(LOG_MAX_SIZE+1)*CHUNK_SIZE) -#endif - -char AO_initial_heap[AO_INITIAL_HEAP_SIZE]; - -static volatile AO_t initial_heap_ptr = (AO_t)AO_initial_heap; -static volatile char *initial_heap_lim = AO_initial_heap + AO_INITIAL_HEAP_SIZE; - -#if defined(HAVE_MMAP) - -#include -#include -#include -#include - -static volatile AO_t mmap_enabled = 0; - -void -AO_malloc_enable_mmap(void) -{ - AO_store(&mmap_enabled, 1); -} - -static char *get_mmaped(size_t sz) -{ - char * result; - - assert(!(sz & (CHUNK_SIZE - 1))); - if (!mmap_enabled) return 0; -# if defined(MAP_ANONYMOUS) - result = mmap(0, sz, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); -# elif defined(MAP_ANON) - result = mmap(0, sz, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANON, -1, 0); -# else - { - int zero_fd = open("/dev/zero", O_RDONLY); - result = mmap(0, sz, PROT_READ | PROT_WRITE, - MAP_PRIVATE, zero_fd, 0); - close(zero_fd); - } -# endif - if (result == MAP_FAILED) result = 0; - return result; -} - -/* Allocate an object of size (incl. header) of size > CHUNK_SIZE. */ -/* sz includes space for an AO_t-sized header. */ -static char * -AO_malloc_large(size_t sz) -{ - char * result; - /* The header will force us to waste ALIGNMENT bytes, incl. header. */ - sz += ALIGNMENT; - /* Round to multiple of CHUNK_SIZE. */ - sz = (sz + CHUNK_SIZE - 1) & ~(CHUNK_SIZE - 1); - result = get_mmaped(sz); - if (result == 0) return 0; - result += ALIGNMENT; - ((AO_t *)result)[-1] = (AO_t)sz; - return result; -} - -static void -AO_free_large(char * p) -{ - AO_t sz = ((AO_t *)p)[-1]; - if (munmap(p - ALIGNMENT, (size_t)sz) != 0) - abort(); /* Programmer error. Not really async-signal-safe, but ... */ -} - - -#else /* No MMAP */ - -void -AO_malloc_enable_mmap(void) -{ -} - -static char *get_mmaped(size_t sz) -{ - return 0; -} - -static char * -AO_malloc_large(size_t sz) -{ - return 0; -} - -static void -AO_free_large(char * p) -{ - abort(); /* Programmer error. Not really async-signal-safe, but ... */ -} - -#endif /* No MMAP */ - -static char * -get_chunk(void) -{ - char *initial_ptr; - char *my_chunk_ptr; - char * my_lim; - -retry: - initial_ptr = (char *)AO_load(&initial_heap_ptr); - my_chunk_ptr = (char *)(((AO_t)initial_ptr + (ALIGNMENT - 1)) - & ~(ALIGNMENT - 1)); - if (initial_ptr != my_chunk_ptr) - { - /* Align correctly. If this fails, someone else did it for us. */ - AO_compare_and_swap_acquire(&initial_heap_ptr, (AO_t)initial_ptr, - (AO_t)my_chunk_ptr); - } - my_lim = my_chunk_ptr + CHUNK_SIZE; - if (my_lim <= initial_heap_lim) - { - if (!AO_compare_and_swap(&initial_heap_ptr, (AO_t)my_chunk_ptr, - (AO_t)my_lim)) - goto retry; - return my_chunk_ptr; - } - /* We failed. The initial heap is used up. */ - my_chunk_ptr = get_mmaped(CHUNK_SIZE); - assert (!((AO_t)my_chunk_ptr & (ALIGNMENT-1))); - return my_chunk_ptr; -} - -/* Object free lists. Ith entry corresponds to objects */ -/* of total size 2**i bytes. */ -AO_stack_t AO_free_list[LOG_MAX_SIZE+1]; - -/* Chunk free list, linked through first word in chunks. */ -/* All entries of size CHUNK_SIZE. */ -AO_stack_t AO_chunk_free_list; - -/* Break up the chunk, and add it to the object free list for */ -/* the given size. Sz must be a power of two. */ -/* We have exclusive access to chunk. */ -static void -add_chunk_as(void * chunk, size_t sz, unsigned log_sz) -{ - char *first = (char *)chunk + ALIGNMENT - sizeof(AO_t); - char *limit = (char *)chunk + CHUNK_SIZE - sz; - char *next, *p; - - for (p = first; p <= limit; p = next) { - next = p + sz; - AO_stack_push(AO_free_list+log_sz, (AO_t *)p); - } -} - -static int msbs[16] = {0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4}; - -/* Return the position of the most significant set bit in the */ -/* argument. */ -/* We follow the conventions of ffs(), i.e. the least */ -/* significant bit is number one. */ -int msb(size_t s) -{ - int result = 0; - if ((s & 0xff) != s) { - /* The following shift often generates warnings on 32-bit arch's */ - /* That's OK, because it will never be executed there. */ - if (sizeof(size_t) > 4 && (s >> 32) != 0) - { - s >>= 32; - result += 32; - } - if ((s >> 16) != 0) - { - s >>= 16; - result += 16; - } - if ((s >> 8) != 0) - { - s >>= 8; - result += 8; - } - } - if (s > 15) - { - s >>= 4; - result += 4; - } - result += msbs[s]; - return result; -} - -void * -AO_malloc(size_t sz) -{ - AO_t *result; - size_t adj_sz = sz + sizeof(AO_t); - int log_sz; - if (sz > CHUNK_SIZE) - return AO_malloc_large(sz); - log_sz = msb(adj_sz-1); - result = AO_stack_pop(AO_free_list+log_sz); - while (0 == result) { - void * chunk = get_chunk(); - if (0 == chunk) return 0; - adj_sz = 1 << log_sz; - add_chunk_as(chunk, adj_sz, log_sz); - result = AO_stack_pop(AO_free_list+log_sz); - } - *result = log_sz; -# ifdef AO_TRACE_MALLOC - fprintf(stderr, "%x: AO_malloc(%lu) = %p\n", - (int)pthread_self(), (unsigned long)sz, result+1); -# endif - return result + 1; -} - -void -AO_free(void *p) -{ - char *base = (char *)p - sizeof(AO_t); - int log_sz; - - if (0 == p) return; - log_sz = *(AO_t *)base; -# ifdef AO_TRACE_MALLOC - fprintf(stderr, "%x: AO_free(%p sz:%lu)\n", (int)pthread_self(), p, - (unsigned long) - (log_sz > LOG_MAX_SIZE? log_sz : (1 << log_sz))); -# endif - if (log_sz > LOG_MAX_SIZE) - AO_free_large(p); - else - AO_stack_push(AO_free_list+log_sz, (AO_t *)base); -} diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops_malloc.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops_malloc.h deleted file mode 100644 index c55d27c..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops_malloc.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * Copyright (c) 2005 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* Almost lock-free malloc implementation based on stack implementation. */ -/* See README.malloc file for detailed usage rules. */ - -#ifndef AO_ATOMIC_H -#define AO_ATOMIC_H - -#include /* For size_t */ - -#include "atomic_ops_stack.h" - -#ifdef AO_STACK_IS_LOCK_FREE -# define AO_MALLOC_IS_LOCK_FREE -#endif - -void AO_free(void *); - -void * AO_malloc(size_t); - -/* Allow use of mmpa to grow the heap. No-op on some platforms. */ -void AO_malloc_enable_mmap(void); - -#endif /* !AO_ATOMIC_H */ diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops_stack.c b/vendor/gc/libatomic_ops-1.2/src/atomic_ops_stack.c deleted file mode 100644 index c3df101..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops_stack.c +++ /dev/null @@ -1,302 +0,0 @@ -/* - * Copyright (c) 2005 Hewlett-Packard Development Company, L.P. - * Original Author: Hans Boehm - * - * This file may be redistributed and/or modified under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2, or (at your option) any later version. - * - * It is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License in the - * file doc/COPYING for more details. - */ - -#if defined(HAVE_CONFIG_H) -# include "config.h" -#endif - -#include -#include -#include -#define AO_REQUIRE_CAS -#include "atomic_ops_stack.h" - -#if defined(_MSC_VER) \ - || defined(_WIN32) && !defined(__CYGWIN32__) && !defined(__CYGWIN__) - /* AO_pause not defined elsewhere */ - /* FIXME: At least AO_spin should be factored out. */ -#include - -AO_t dummy; - -/* Spin for 2**n units. */ -static void AO_spin(int n) -{ - int i; - AO_T j = AO_load(&dummy); - - for (i = 0; i < (2 << n); ++i) - { - j *= 5; - j -= 4; - } - AO_store(&dummy, j); -} - -void AO_pause(int n) -{ - if (n < 12) - AO_spin(n); - else - { - DWORD msecs; - - /* Short async-signal-safe sleep. */ - msecs = (n > 18? 100 : (1 << (n - 12))); - Sleep(msecs); - } -} - -#else - -/* AO_pause is available elsewhere */ - -extern void AO_pause(int); - -#endif - -#ifdef AO_USE_ALMOST_LOCK_FREE - -/* LIFO linked lists based on compare-and-swap. We need to avoid */ -/* the case of a node deleton and reinsertion while I'm deleting */ -/* it, since that may cause my CAS to succeed eventhough the next */ -/* pointer is now wrong. Our solution is not fully lock-free, but it */ -/* is good enough for signal handlers, provided we have a suitably low */ -/* bound on the number of recursive signal handler reentries. */ -/* A list consists of a first pointer and a blacklist */ -/* of pointer values that are currently being removed. No list element */ -/* on the blacklist may be inserted. If we would otherwise do so, we */ -/* are allowed to insert a variant that differs only in the least */ -/* significant, ignored, bits. If the list is full, we wait. */ - -/* Crucial observation: A particular padded pointer x (i.e. pointer */ -/* plus arbitrary low order bits) can never be newly inserted into */ -/* a list while it's in the corresponding auxiliary data structure. */ - -/* The second argument is a pointer to the link field of the element */ -/* to be inserted. */ -/* Both list headers and link fields contain "perturbed" pointers, i.e. */ -/* pointers with extra bits "or"ed into the low order bits. */ -void -AO_stack_push_explicit_aux_release(volatile AO_t *list, AO_t *x, - AO_stack_aux *a) -{ - int i; - AO_t x_bits = (AO_t)x; - AO_t next; - - /* No deletions of x can start here, since x is not currently in the */ - /* list. */ - retry: -# if AO_BL_SIZE == 2 - { - /* Start all loads as close to concurrently as possible. */ - AO_t entry1 = AO_load(a -> AO_stack_bl); - AO_t entry2 = AO_load(a -> AO_stack_bl + 1); - if (entry1 == x_bits || entry2 == x_bits) - { - /* Entry is currently being removed. Change it a little. */ - ++x_bits; - if ((x_bits & AO_BIT_MASK) == 0) - /* Version count overflowed; */ - /* EXTREMELY unlikely, but possible. */ - x_bits = (AO_t)x; - goto retry; - } - } -# else - for (i = 0; i < AO_BL_SIZE; ++i) - { - if (AO_load(a -> AO_stack_bl + i) == x_bits) - { - /* Entry is currently being removed. Change it a little. */ - ++x_bits; - if ((x_bits & AO_BIT_MASK) == 0) - /* Version count overflowed; */ - /* EXTREMELY unlikely, but possible. */ - x_bits = (AO_t)x; - goto retry; - } - } -# endif - /* x_bits is not currently being deleted */ - do - { - next = AO_load(list); - *x = next; - } - while(!AO_compare_and_swap_release(list, next, x_bits)); -} - -/* - * I concluded experimentally that checking a value first before - * performing a compare-and-swap is usually beneficial on X86, but - * slows things down appreciably with contention on Itanium. - * ince the Itanium behavior makes more sense to me (more cache line - * movement unless we're mostly reading, but back-off should guard - * against that), we take Itanium as the default. Measurements on - * other multiprocessor architectures would be useful. (On a uniprocessor, - * the initial check is almost certainly a very small loss.) - HB - */ -#ifdef __i386__ -# define PRECHECK(a) (a) == 0 && -#else -# define PRECHECK(a) -#endif - -AO_t * -AO_stack_pop_explicit_aux_acquire(volatile AO_t *list, AO_stack_aux * a) -{ - unsigned i; - int j = 0; - AO_t first; - AO_t * first_ptr; - AO_t next; - - retry: - first = AO_load(list); - if (0 == first) return 0; - /* Insert first into aux black list. */ - /* This may spin if more than AO_BL_SIZE removals using auxiliary */ - /* structure a are currently in progress. */ - for (i = 0; ; ) - { - if (PRECHECK(a -> AO_stack_bl[i]) - AO_compare_and_swap_acquire(a->AO_stack_bl+i, 0, first)) - break; - ++i; - if ( i >= AO_BL_SIZE ) - { - i = 0; - AO_pause(++j); - } - } - assert(i >= 0 && i < AO_BL_SIZE); - assert(a -> AO_stack_bl[i] == first); - /* First is on the auxiliary black list. It may be removed by */ - /* another thread before we get to it, but a new insertion of x */ - /* cannot be started here. */ - /* Only we can remove it from the black list. */ - /* We need to make sure that first is still the first entry on the */ - /* list. Otherwise it's possible that a reinsertion of it was */ - /* already started before we added the black list entry. */ - if (first != AO_load(list)) { - AO_store_release(a->AO_stack_bl+i, 0); - goto retry; - } - first_ptr = AO_REAL_NEXT_PTR(first); - next = AO_load(first_ptr); - if (!AO_compare_and_swap_release(list, first, next)) { - AO_store_release(a->AO_stack_bl+i, 0); - goto retry; - } - assert(*list != first); - /* Since we never insert an entry on the black list, this cannot have */ - /* succeeded unless first remained on the list while we were running. */ - /* Thus its next link cannot have changed out from under us, and we */ - /* removed exactly one entry and preserved the rest of the list. */ - /* Note that it is quite possible that an additional entry was */ - /* inserted and removed while we were running; this is OK since the */ - /* part of the list following first must have remained unchanged, and */ - /* first must again have been at the head of the list when the */ - /* compare_and_swap succeeded. */ - AO_store_release(a->AO_stack_bl+i, 0); - return first_ptr; -} - -#else /* ! USE_ALMOST_LOCK_FREE */ - -/* Better names for fields in AO_stack_t */ -#define ptr AO_val2 -#define version AO_val1 - -#if defined(AO_HAVE_compare_double_and_swap_double) - -void AO_stack_push_release(AO_stack_t *list, AO_t *element) -{ - AO_t next; - - do { - next = AO_load(&(list -> ptr)); - *element = next; - } while (!AO_compare_and_swap_release - ( &(list -> ptr), next, (AO_t) element)); - /* This uses a narrow CAS here, an old optimization suggested */ - /* by Treiber. Pop is still safe, since we run into the ABA */ - /* problem only if there were both interveining "pop"s and "push"es.*/ - /* Inthat case we still see a change inthe version number. */ -} - -AO_t *AO_stack_pop_acquire(AO_stack_t *list) -{ - AO_t *cptr; - AO_t next; - AO_t cversion; - - do { - /* Version must be loaded first. */ - cversion = AO_load_acquire(&(list -> version)); - cptr = (AO_t *)AO_load(&(list -> ptr)); - if (cptr == 0) return 0; - next = *cptr; - } while (!AO_compare_double_and_swap_double_release - (list, cversion, (AO_t) cptr, cversion+1, (AO_t) next)); - return cptr; -} - - -#elif defined(AO_HAVE_compare_and_swap_double) - -/* Needed for future IA64 processors. No current clients? */ - -#error Untested! Probably doesnt work. - -/* We have a wide CAS, but only does an AO_t-wide comparison. */ -/* We can't use the Treiber optimization, since we only check */ -/* for an unchanged version number, not an unchanged pointer. */ -void AO_stack_push_release(AO_stack_t *list, AO_t *element) -{ - AO_t version; - AO_t next_ptr; - - do { - /* Again version must be loaded first, for different reason. */ - version = AO_load_acquire(&(list -> version)); - next_ptr = AO_load(&(list -> ptr)); - *element = next_ptr; - } while (!AO_compare_and_swap_double_release( - list, version, - version+1, (AO_t) element)); -} - -AO_t *AO_stack_pop_acquire(AO_stack_t *list) -{ - AO_t *cptr; - AO_t next; - AO_t cversion; - - do { - cversion = AO_load_acquire(&(list -> version)); - cptr = (AO_t *)AO_load(&(list -> ptr)); - if (cptr == 0) return 0; - next = *cptr; - } while (!AO_compare_double_and_swap_double_release - (list, cversion, (AO_t) cptr, cversion+1, next)); - return cptr; -} - - -#endif /* AO_HAVE_compare_and_swap_double */ - -#endif /* ! USE_ALMOST_LOCK_FREE */ diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops_stack.h b/vendor/gc/libatomic_ops-1.2/src/atomic_ops_stack.h deleted file mode 100644 index f0c789b..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops_stack.h +++ /dev/null @@ -1,188 +0,0 @@ -/* - * The implementation of the routines described here is covered by the GPL. - * This header file is covered by the following license: - */ - -/* - * Copyright (c) 2005 Hewlett-Packard Development Company, L.P. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/* Almost lock-free LIFO linked lists (linked stacks). */ -#ifndef AO_STACK_H -#define AO_STACK_H - -#include "atomic_ops.h" - -#if !defined(AO_HAVE_compare_double_and_swap_double) \ - && !defined(AO_HAVE_compare_double_and_swap) \ - && defined(AO_HAVE_compare_and_swap) -# define AO_USE_ALMOST_LOCK_FREE -#else - /* If we have no compare-and-swap operation defined, we assume */ - /* that we will actually be using CAS emulation. If we do that, */ - /* it's cheaper to use the version-based implementation. */ -# define AO_STACK_IS_LOCK_FREE -#endif - -/* - * These are not guaranteed to be completely lock-free. - * List insertion may spin under extremely unlikely conditions. - * It cannot deadlock due to recursive reentry unless AO_list_remove - * is called while at least AO_BL_SIZE activations of - * AO_list_remove are currently active in the same thread, i.e. - * we must have at least AO_BL_SIZE recursive signal handler - * invocations. - * - * All operations take an AO_list_aux argument. It is safe to - * share a single AO_list_aux structure among all lists, but that - * may increase contention. Any given list must always be accessed - * with the same AO_list_aux structure. - * - * We make some machine-dependent assumptions: - * - We have a compare-and-swap operation. - * - At least _AO_N_BITS low order bits in pointers are - * zero and normally unused. - * - size_t and pointers have the same size. - * - * We do use a fully lock-free implementation if double-width - * compare-and-swap operations are available. - */ - -#ifdef AO_USE_ALMOST_LOCK_FREE -/* The number of low order pointer bits we can use for a small */ -/* version number. */ -# if defined(__LP64__) || defined(_LP64) || defined(_WIN64) - /* WIN64 isn't really supported yet. */ -# define AO_N_BITS 3 -# else -# define AO_N_BITS 2 -# endif - -# define AO_BIT_MASK ((1 << AO_N_BITS) - 1) -/* - * AO_stack_aux should be treated as opaque. - * It is fully defined here, so it can be allocated, and to facilitate - * debugging. - */ -#ifndef AO_BL_SIZE -# define AO_BL_SIZE 2 -#endif - -#if AO_BL_SIZE > (1 << AO_N_BITS) -# error AO_BL_SIZE too big -#endif - -typedef struct AO__stack_aux { - volatile AO_t AO_stack_bl[AO_BL_SIZE]; -} AO_stack_aux; - -/* The stack implementation knows only about the lecation of */ -/* link fields in nodes, and nothing about the rest of the */ -/* stack elements. Link fields hold an AO_t, which is not */ -/* necessarily a real pointer. This converts the AO_t to a */ -/* real (AO_t *) which is either o, or points at the link */ -/* field in the next node. */ -#define AO_REAL_NEXT_PTR(x) (AO_t *)((x) & ~AO_BIT_MASK) - -/* The following two routines should not normally be used directly. */ -/* We make them visible here for the rare cases in which it makes sense */ -/* to share the an AO_stack_aux between stacks. */ -void -AO_stack_push_explicit_aux_release(volatile AO_t *list, AO_t *x, - AO_stack_aux *); - -AO_t * -AO_stack_pop_explicit_aux_acquire(volatile AO_t *list, AO_stack_aux *); - -/* And now AO_stack_t for the real interface: */ - -typedef struct AO__stack { - volatile AO_t AO_ptr; - AO_stack_aux AO_aux; -} AO_stack_t; - -#define AO_STACK_INITIALIZER {0} - -AO_INLINE void AO_stack_init(AO_stack_t *list) -{ -# if AO_BL_SIZE == 2 - list -> AO_aux.AO_stack_bl[0] = 0; - list -> AO_aux.AO_stack_bl[1] = 0; -# else - int i; - for (i = 0; i < AO_BL_SIZE; ++i) - list -> AO_aux.AO_stack_bl[i] = 0; -# endif - list -> AO_ptr = 0; -} - -/* Convert an AO_stack_t to a pointer to the link field in */ -/* the first element. */ -#define AO_REAL_HEAD_PTR(x) AO_REAL_NEXT_PTR((x).AO_ptr) - -#define AO_stack_push_release(l, e) \ - AO_stack_push_explicit_aux_release(&((l)->AO_ptr), e, &((l)->AO_aux)) -#define AO_HAVE_stack_push_release - -#define AO_stack_pop_acquire(l) \ - AO_stack_pop_explicit_aux_acquire(&((l)->AO_ptr), &((l)->AO_aux)) -#define AO_HAVE_stack_pop_acquire - -# else /* Use fully non-blocking data structure, wide CAS */ - -#ifndef AO_HAVE_double_t - /* Can happen if we're using CAS emulation, since we don't want to */ - /* force that here, in case other atomic_ops clients don't want it. */ -# include "atomic_ops/sysdeps/standard_ao_double_t.h" -#endif - -typedef volatile AO_double_t AO_stack_t; -/* AO_val1 is version, AO_val2 is pointer. */ - -#define AO_STACK_INITIALIZER {0} - -AO_INLINE void AO_stack_init(AO_stack_t *list) -{ - list -> AO_val1 = 0; - list -> AO_val2 = 0; -} - -#define AO_REAL_HEAD_PTR(x) (AO_t *)((x).AO_val2) -#define AO_REAL_NEXT_PTR(x) (AO_t *)(x) - -void AO_stack_push_release(AO_stack_t *list, AO_t *new_element); -#define AO_HAVE_stack_push_release -AO_t * AO_stack_pop_acquire(AO_stack_t *list); -#define AO_HAVE_stack_pop_acquire - -#endif /* Wide CAS case */ - -#if defined(AO_HAVE_stack_push_release) && !defined(AO_HAVE_stack_push) -# define AO_stack_push(l, e) AO_stack_push_release(l, e) -# define AO_HAVE_stack_push -#endif - -#if defined(AO_HAVE_stack_pop_acquire) && !defined(AO_HAVE_stack_pop) -# define AO_stack_pop(l) AO_stack_pop_acquire(l) -# define AO_HAVE_stack_pop -#endif - -#endif /* !AO_STACK_H */ diff --git a/vendor/gc/libatomic_ops-1.2/src/atomic_ops_sysdeps.S b/vendor/gc/libatomic_ops-1.2/src/atomic_ops_sysdeps.S deleted file mode 100644 index f586f23..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/atomic_ops_sysdeps.S +++ /dev/null @@ -1,9 +0,0 @@ -/* - * Include the appropriate system-dependent assembly file, if any. - * This is used only if the platform supports neither inline assembly - * code, nor appropriate compiler intrinsics. - */ - -#if !defined(__GNUC__) && (defined(sparc) || defined(__sparc)) -# include "atomic_ops/sysdeps/sunc/sparc.S" -#endif diff --git a/vendor/gc/libatomic_ops-1.2/src/config.h.in b/vendor/gc/libatomic_ops-1.2/src/config.h.in deleted file mode 100644 index 5b61fbd..0000000 --- a/vendor/gc/libatomic_ops-1.2/src/config.h.in +++ /dev/null @@ -1,58 +0,0 @@ -/* src/config.h.in. Generated from configure.ac by autoheader. */ - -/* Define to 1 if you have the `getpagesize' function. */ -#undef HAVE_GETPAGESIZE - -/* Define to 1 if you have the header file. */ -#undef HAVE_INTTYPES_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_MEMORY_H - -/* Define to 1 if you have a working `mmap' system call. */ -#undef HAVE_MMAP - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDINT_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDLIB_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STRINGS_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STRING_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_STAT_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_TYPES_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_UNISTD_H - -/* Name of package */ -#undef PACKAGE - -/* Define to the address where bug reports for this package should be sent. */ -#undef PACKAGE_BUGREPORT - 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echo "#include \"atomic_ops.h\" " > $@ - sed -e s/XX// $? >> $@ - sed -e s/XX/_release/ $? >> $@ - sed -e s/XX/_acquire/ $? >> $@ - sed -e s/XX/_read/ $? >> $@ - sed -e s/XX/_write/ $? >> $@ - sed -e s/XX/_full/ $? >> $@ - sed -e s/XX/_release_write/ $? >> $@ - sed -e s/XX/_acquire_read/ $? >> $@ - -list_atomic.i: list_atomic.c - $(COMPILE) $? -E > list_atomic.i -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: diff --git a/vendor/gc/libatomic_ops-1.2/tests/list_atomic.c b/vendor/gc/libatomic_ops-1.2/tests/list_atomic.c deleted file mode 100644 index 1faf5c4..0000000 --- a/vendor/gc/libatomic_ops-1.2/tests/list_atomic.c +++ /dev/null @@ -1,569 +0,0 @@ -#include "atomic_ops.h" -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* This generates a compilable program. But it is really meant to be */ -/* be used only with cc -E, to inspect the expensions generated by */ -/* primitives. */ - -/* The result will not link or run. */ - -void list_atomic(void) -{ - AO_T *addr, val, newval, oldval; - AO_TS_T tsaddr; - long incr; - -# if defined(AO_HAVE_nop) - "AO_nop(): "; - AO_nop(); -# else - "No AO_nop"; -# endif -# if defined(AO_HAVE_load) - "AO_load(addr):"; - AO_load(addr); -# else - "No AO_load"; -# endif -# if defined(AO_HAVE_store) - "AO_store(addr, val):"; - AO_store(addr, val); -# else - "No AO_store"; -# endif -# if defined(AO_HAVE_test_and_set) - "AO_test_and_set(tsaddr):"; - AO_test_and_set(tsaddr); -# else - "No AO_test_and_set"; -# endif -# if defined(AO_HAVE_fetch_and_add1) - "AO_fetch_and_add1(addr):"; - AO_fetch_and_add1(addr); -# else - "No AO_fetch_and_add1"; -# endif -# if defined(AO_HAVE_fetch_and_sub1) - "AO_fetch_and_sub1(addr):"; - AO_fetch_and_sub1(addr); -# else - "No AO_fetch_and_sub1"; -# endif -# if defined(AO_HAVE_fetch_and_add) - "AO_fetch_and_add(addr, incr):"; - AO_fetch_and_add(addr, incr); -# else - "No AO_fetch_and_add"; -# endif -# if defined(AO_HAVE_compare_and_swap) - "AO_compare_and_swap(addr, oldval, newval):"; - AO_compare_and_swap(addr, oldval, newval); -# else - "No AO_compare_and_swap"; -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* This generates a compilable program. But it is really meant to be */ -/* be used only with cc -E, to inspect the expensions generated by */ -/* primitives. */ - -/* The result will not link or run. */ - -void list_atomic_release(void) -{ - AO_T *addr, val, newval, oldval; - AO_TS_T tsaddr; - long incr; - -# if defined(AO_HAVE_nop_release) - "AO_nop_release(): "; - AO_nop_release(); -# else - "No AO_nop_release"; -# endif -# if defined(AO_HAVE_load_release) - "AO_load_release(addr):"; - AO_load_release(addr); -# else - "No AO_load_release"; -# endif -# if defined(AO_HAVE_store_release) - "AO_store_release(addr, val):"; - AO_store_release(addr, val); -# else - "No AO_store_release"; -# endif -# if defined(AO_HAVE_test_and_set_release) - "AO_test_and_set_release(tsaddr):"; - AO_test_and_set_release(tsaddr); -# else - "No AO_test_and_set_release"; -# endif -# if defined(AO_HAVE_fetch_and_add1_release) - "AO_fetch_and_add1_release(addr):"; - AO_fetch_and_add1_release(addr); -# else - "No AO_fetch_and_add1_release"; -# endif -# if defined(AO_HAVE_fetch_and_sub1_release) - "AO_fetch_and_sub1_release(addr):"; - AO_fetch_and_sub1_release(addr); -# else - "No AO_fetch_and_sub1_release"; -# endif -# if defined(AO_HAVE_fetch_and_add_release) - "AO_fetch_and_add_release(addr, incr):"; - AO_fetch_and_add_release(addr, incr); -# else - "No AO_fetch_and_add_release"; -# endif -# if defined(AO_HAVE_compare_and_swap_release) - "AO_compare_and_swap_release(addr, oldval, newval):"; - AO_compare_and_swap_release(addr, oldval, newval); -# else - "No AO_compare_and_swap_release"; -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* This generates a compilable program. But it is really meant to be */ -/* be used only with cc -E, to inspect the expensions generated by */ -/* primitives. */ - -/* The result will not link or run. */ - -void list_atomic_acquire(void) -{ - AO_T *addr, val, newval, oldval; - AO_TS_T tsaddr; - long incr; - -# if defined(AO_HAVE_nop_acquire) - "AO_nop_acquire(): "; - AO_nop_acquire(); -# else - "No AO_nop_acquire"; -# endif -# if defined(AO_HAVE_load_acquire) - "AO_load_acquire(addr):"; - AO_load_acquire(addr); -# else - "No AO_load_acquire"; -# endif -# if defined(AO_HAVE_store_acquire) - "AO_store_acquire(addr, val):"; - AO_store_acquire(addr, val); -# else - "No AO_store_acquire"; -# endif -# if defined(AO_HAVE_test_and_set_acquire) - "AO_test_and_set_acquire(tsaddr):"; - AO_test_and_set_acquire(tsaddr); -# else - "No AO_test_and_set_acquire"; -# endif -# if defined(AO_HAVE_fetch_and_add1_acquire) - "AO_fetch_and_add1_acquire(addr):"; - AO_fetch_and_add1_acquire(addr); -# else - "No AO_fetch_and_add1_acquire"; -# endif -# if defined(AO_HAVE_fetch_and_sub1_acquire) - "AO_fetch_and_sub1_acquire(addr):"; - AO_fetch_and_sub1_acquire(addr); -# else - "No AO_fetch_and_sub1_acquire"; -# endif -# if defined(AO_HAVE_fetch_and_add_acquire) - "AO_fetch_and_add_acquire(addr, incr):"; - AO_fetch_and_add_acquire(addr, incr); -# else - "No AO_fetch_and_add_acquire"; -# endif -# if defined(AO_HAVE_compare_and_swap_acquire) - "AO_compare_and_swap_acquire(addr, oldval, newval):"; - AO_compare_and_swap_acquire(addr, oldval, newval); -# else - "No AO_compare_and_swap_acquire"; -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* This generates a compilable program. But it is really meant to be */ -/* be used only with cc -E, to inspect the expensions generated by */ -/* primitives. */ - -/* The result will not link or run. */ - -void list_atomic_read(void) -{ - AO_T *addr, val, newval, oldval; - AO_TS_T tsaddr; - long incr; - -# if defined(AO_HAVE_nop_read) - "AO_nop_read(): "; - AO_nop_read(); -# else - "No AO_nop_read"; -# endif -# if defined(AO_HAVE_load_read) - "AO_load_read(addr):"; - AO_load_read(addr); -# else - "No AO_load_read"; -# endif -# if defined(AO_HAVE_store_read) - "AO_store_read(addr, val):"; - AO_store_read(addr, val); -# else - "No AO_store_read"; -# endif -# if defined(AO_HAVE_test_and_set_read) - "AO_test_and_set_read(tsaddr):"; - AO_test_and_set_read(tsaddr); -# else - "No AO_test_and_set_read"; -# endif -# if defined(AO_HAVE_fetch_and_add1_read) - "AO_fetch_and_add1_read(addr):"; - AO_fetch_and_add1_read(addr); -# else - "No AO_fetch_and_add1_read"; -# endif -# if defined(AO_HAVE_fetch_and_sub1_read) - "AO_fetch_and_sub1_read(addr):"; - AO_fetch_and_sub1_read(addr); -# else - "No AO_fetch_and_sub1_read"; -# endif -# if defined(AO_HAVE_fetch_and_add_read) - "AO_fetch_and_add_read(addr, incr):"; - AO_fetch_and_add_read(addr, incr); -# else - "No AO_fetch_and_add_read"; -# endif -# if defined(AO_HAVE_compare_and_swap_read) - "AO_compare_and_swap_read(addr, oldval, newval):"; - AO_compare_and_swap_read(addr, oldval, newval); -# else - "No AO_compare_and_swap_read"; -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* This generates a compilable program. But it is really meant to be */ -/* be used only with cc -E, to inspect the expensions generated by */ -/* primitives. */ - -/* The result will not link or run. */ - -void list_atomic_write(void) -{ - AO_T *addr, val, newval, oldval; - AO_TS_T tsaddr; - long incr; - -# if defined(AO_HAVE_nop_write) - "AO_nop_write(): "; - AO_nop_write(); -# else - "No AO_nop_write"; -# endif -# if defined(AO_HAVE_load_write) - "AO_load_write(addr):"; - AO_load_write(addr); -# else - "No AO_load_write"; -# endif -# if defined(AO_HAVE_store_write) - "AO_store_write(addr, val):"; - AO_store_write(addr, val); -# else - "No AO_store_write"; -# endif -# if defined(AO_HAVE_test_and_set_write) - "AO_test_and_set_write(tsaddr):"; - AO_test_and_set_write(tsaddr); -# else - "No AO_test_and_set_write"; -# endif -# if defined(AO_HAVE_fetch_and_add1_write) - "AO_fetch_and_add1_write(addr):"; - AO_fetch_and_add1_write(addr); -# else - "No AO_fetch_and_add1_write"; -# endif -# if defined(AO_HAVE_fetch_and_sub1_write) - "AO_fetch_and_sub1_write(addr):"; - AO_fetch_and_sub1_write(addr); -# else - "No AO_fetch_and_sub1_write"; -# endif -# if defined(AO_HAVE_fetch_and_add_write) - "AO_fetch_and_add_write(addr, incr):"; - AO_fetch_and_add_write(addr, incr); -# else - "No AO_fetch_and_add_write"; -# endif -# if defined(AO_HAVE_compare_and_swap_write) - "AO_compare_and_swap_write(addr, oldval, newval):"; - AO_compare_and_swap_write(addr, oldval, newval); -# else - "No AO_compare_and_swap_write"; -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* This generates a compilable program. But it is really meant to be */ -/* be used only with cc -E, to inspect the expensions generated by */ -/* primitives. */ - -/* The result will not link or run. */ - -void list_atomic_full(void) -{ - AO_T *addr, val, newval, oldval; - AO_TS_T tsaddr; - long incr; - -# if defined(AO_HAVE_nop_full) - "AO_nop_full(): "; - AO_nop_full(); -# else - "No AO_nop_full"; -# endif -# if defined(AO_HAVE_load_full) - "AO_load_full(addr):"; - AO_load_full(addr); -# else - "No AO_load_full"; -# endif -# if defined(AO_HAVE_store_full) - "AO_store_full(addr, val):"; - AO_store_full(addr, val); -# else - "No AO_store_full"; -# endif -# if defined(AO_HAVE_test_and_set_full) - "AO_test_and_set_full(tsaddr):"; - AO_test_and_set_full(tsaddr); -# else - "No AO_test_and_set_full"; -# endif -# if defined(AO_HAVE_fetch_and_add1_full) - "AO_fetch_and_add1_full(addr):"; - AO_fetch_and_add1_full(addr); -# else - "No AO_fetch_and_add1_full"; -# endif -# if defined(AO_HAVE_fetch_and_sub1_full) - "AO_fetch_and_sub1_full(addr):"; - AO_fetch_and_sub1_full(addr); -# else - "No AO_fetch_and_sub1_full"; -# endif -# if defined(AO_HAVE_fetch_and_add_full) - "AO_fetch_and_add_full(addr, incr):"; - AO_fetch_and_add_full(addr, incr); -# else - "No AO_fetch_and_add_full"; -# endif -# if defined(AO_HAVE_compare_and_swap_full) - "AO_compare_and_swap_full(addr, oldval, newval):"; - AO_compare_and_swap_full(addr, oldval, newval); -# else - "No AO_compare_and_swap_full"; -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* This generates a compilable program. But it is really meant to be */ -/* be used only with cc -E, to inspect the expensions generated by */ -/* primitives. */ - -/* The result will not link or run. */ - -void list_atomic_release_write(void) -{ - AO_T *addr, val, newval, oldval; - AO_TS_T tsaddr; - long incr; - -# if defined(AO_HAVE_nop_release_write) - "AO_nop_release_write(): "; - AO_nop_release_write(); -# else - "No AO_nop_release_write"; -# endif -# if defined(AO_HAVE_load_release_write) - "AO_load_release_write(addr):"; - AO_load_release_write(addr); -# else - "No AO_load_release_write"; -# endif -# if defined(AO_HAVE_store_release_write) - "AO_store_release_write(addr, val):"; - AO_store_release_write(addr, val); -# else - "No AO_store_release_write"; -# endif -# if defined(AO_HAVE_test_and_set_release_write) - "AO_test_and_set_release_write(tsaddr):"; - AO_test_and_set_release_write(tsaddr); -# else - "No AO_test_and_set_release_write"; -# endif -# if defined(AO_HAVE_fetch_and_add1_release_write) - "AO_fetch_and_add1_release_write(addr):"; - AO_fetch_and_add1_release_write(addr); -# else - "No AO_fetch_and_add1_release_write"; -# endif -# if defined(AO_HAVE_fetch_and_sub1_release_write) - "AO_fetch_and_sub1_release_write(addr):"; - AO_fetch_and_sub1_release_write(addr); -# else - "No AO_fetch_and_sub1_release_write"; -# endif -# if defined(AO_HAVE_fetch_and_add_release_write) - "AO_fetch_and_add_release_write(addr, incr):"; - AO_fetch_and_add_release_write(addr, incr); -# else - "No AO_fetch_and_add_release_write"; -# endif -# if defined(AO_HAVE_compare_and_swap_release_write) - "AO_compare_and_swap_release_write(addr, oldval, newval):"; - AO_compare_and_swap_release_write(addr, oldval, newval); -# else - "No AO_compare_and_swap_release_write"; -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* This generates a compilable program. But it is really meant to be */ -/* be used only with cc -E, to inspect the expensions generated by */ -/* primitives. */ - -/* The result will not link or run. */ - -void list_atomic_acquire_read(void) -{ - AO_T *addr, val, newval, oldval; - AO_TS_T tsaddr; - long incr; - -# if defined(AO_HAVE_nop_acquire_read) - "AO_nop_acquire_read(): "; - AO_nop_acquire_read(); -# else - "No AO_nop_acquire_read"; -# endif -# if defined(AO_HAVE_load_acquire_read) - "AO_load_acquire_read(addr):"; - AO_load_acquire_read(addr); -# else - "No AO_load_acquire_read"; -# endif -# if defined(AO_HAVE_store_acquire_read) - "AO_store_acquire_read(addr, val):"; - AO_store_acquire_read(addr, val); -# else - "No AO_store_acquire_read"; -# endif -# if defined(AO_HAVE_test_and_set_acquire_read) - "AO_test_and_set_acquire_read(tsaddr):"; - AO_test_and_set_acquire_read(tsaddr); -# else - "No AO_test_and_set_acquire_read"; -# endif -# if defined(AO_HAVE_fetch_and_add1_acquire_read) - "AO_fetch_and_add1_acquire_read(addr):"; - AO_fetch_and_add1_acquire_read(addr); -# else - "No AO_fetch_and_add1_acquire_read"; -# endif -# if defined(AO_HAVE_fetch_and_sub1_acquire_read) - "AO_fetch_and_sub1_acquire_read(addr):"; - AO_fetch_and_sub1_acquire_read(addr); -# else - "No AO_fetch_and_sub1_acquire_read"; -# endif -# if defined(AO_HAVE_fetch_and_add_acquire_read) - "AO_fetch_and_add_acquire_read(addr, incr):"; - AO_fetch_and_add_acquire_read(addr, incr); -# else - "No AO_fetch_and_add_acquire_read"; -# endif -# if defined(AO_HAVE_compare_and_swap_acquire_read) - "AO_compare_and_swap_acquire_read(addr, oldval, newval):"; - AO_compare_and_swap_acquire_read(addr, oldval, newval); -# else - "No AO_compare_and_swap_acquire_read"; -# endif -} - - - diff --git a/vendor/gc/libatomic_ops-1.2/tests/list_atomic.template b/vendor/gc/libatomic_ops-1.2/tests/list_atomic.template deleted file mode 100644 index a3d36e3..0000000 --- a/vendor/gc/libatomic_ops-1.2/tests/list_atomic.template +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* This generates a compilable program. But it is really meant to be */ -/* be used only with cc -E, to inspect the expensions generated by */ -/* primitives. */ - -/* The result will not link or run. */ - -void list_atomicXX(void) -{ - AO_T *addr, val, newval, oldval; - AO_TS_T tsaddr; - long incr; - -# if defined(AO_HAVE_nopXX) - "AO_nopXX(): "; - AO_nopXX(); -# else - "No AO_nopXX"; -# endif -# if defined(AO_HAVE_loadXX) - "AO_loadXX(addr):"; - AO_loadXX(addr); -# else - "No AO_loadXX"; -# endif -# if defined(AO_HAVE_storeXX) - "AO_storeXX(addr, val):"; - AO_storeXX(addr, val); -# else - "No AO_storeXX"; -# endif -# if defined(AO_HAVE_test_and_setXX) - "AO_test_and_setXX(tsaddr):"; - AO_test_and_setXX(tsaddr); -# else - "No AO_test_and_setXX"; -# endif -# if defined(AO_HAVE_fetch_and_add1XX) - "AO_fetch_and_add1XX(addr):"; - AO_fetch_and_add1XX(addr); -# else - "No AO_fetch_and_add1XX"; -# endif -# if defined(AO_HAVE_fetch_and_sub1XX) - "AO_fetch_and_sub1XX(addr):"; - AO_fetch_and_sub1XX(addr); -# else - "No AO_fetch_and_sub1XX"; -# endif -# if defined(AO_HAVE_fetch_and_addXX) - "AO_fetch_and_addXX(addr, incr):"; - AO_fetch_and_addXX(addr, incr); -# else - "No AO_fetch_and_addXX"; -# endif -# if defined(AO_HAVE_compare_and_swapXX) - "AO_compare_and_swapXX(addr, oldval, newval):"; - AO_compare_and_swapXX(addr, oldval, newval); -# else - "No AO_compare_and_swapXX"; -# endif -} - - - diff --git a/vendor/gc/libatomic_ops-1.2/tests/run_parallel.inc b/vendor/gc/libatomic_ops-1.2/tests/run_parallel.inc deleted file mode 100644 index 1a87c8b..0000000 --- a/vendor/gc/libatomic_ops-1.2/tests/run_parallel.inc +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Copyright (c) 2003-2005 Hewlett-Packard Development Company, L.P. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -#if defined(_MSC_VER) || \ - defined(_WIN32) && !defined(__CYGWIN32__) && !defined(__CYGWIN__) || \ - defined(_WIN32_WINCE) -# define USE_WINTHREADS -#elif defined(__vxworks) -# define USE_VXTHREADS -#else -# define USE_PTHREADS -#endif - -#include -#include - -#ifdef USE_PTHREADS -# include -#endif - -#ifdef USE_VXTHREADS -# include -# include -#endif - -#ifdef USE_WINTHREADS -# include -#endif - -#include "atomic_ops.h" - -typedef void * (* thr_func)(void *); - -typedef int (* test_func)(void); /* Returns != 0 on success */ - -void * run_parallel(int nthreads, thr_func f1, test_func t, const char *name); - -#ifdef USE_PTHREADS -void * run_parallel(int nthreads, thr_func f1, test_func t, const char *name) -{ - pthread_attr_t attr; - pthread_t thr[100]; - int i; - int code; - - fprintf(stderr, "Testing %s\n", name); - if (nthreads > 100) - { - fprintf(stderr, "run_parallel: requested too many threads\n"); - abort(); - } - -# ifdef _HPUX_SOURCE - /* Default stack size is too small, especially with the 64 bit ABI */ - /* Increase it. */ - if (pthread_default_stacksize_np(1024*1024, 0) != 0) { - fprintf(stderr, "pthread_default_stacksize_np failed. " - "OK after first call.\n"); - } -# endif - - pthread_attr_init(&attr); - - for (i = 0; i < nthreads; ++i) - { - if ((code = pthread_create(thr + i, &attr, f1, (void *)(long)i)) != 0) - { - perror("Thread creation failed"); - fprintf(stderr, "Pthread_create returned %d, thread %d\n", code, i); - abort(); - } - } - for (i = 0; i < nthreads; ++i) - { - if ((code = pthread_join(thr[i], NULL)) != 0) - { - perror("Thread join failed"); - fprintf(stderr, "Pthread_join returned %d, thread %d\n", code, i); - abort(); - } - } - if (t()) - { - fprintf(stderr, "Succeeded\n"); - } - else - { - fprintf(stderr, "Failed\n"); - abort(); - } - return 0; -} -#endif /* USE_PTHREADS */ - -#ifdef USE_VXTHREADS -void * run_parallel(int nthreads, thr_func f1, test_func t, const char *name) -{ - int thr[100]; - int i; - - fprintf(stderr, "Testing %s\n", name); - if (nthreads > 100) - { - fprintf(stderr, "run_parallel: requested too many threads\n"); - taskSuspend(0); - } - - for (i = 0; i < nthreads; ++i) - { - thr[i] = taskSpawn((char*) name, 180, 0, 32768, (FUNCPTR) f1, i, - 1, 2, 3, 4, 5, 6, 7, 8, 9); - if (thr[i] == ERROR) - { - fprintf(stderr, "taskSpawn failed with %d, thread %d\n", - errno, i); - taskSuspend(0); - } - } - for (i = 0; i < nthreads; ++i) - { - while (taskIdVerify(thr[i]) == OK) - taskDelay(60); - } - if (t()) - { - fprintf(stderr, "Succeeded\n"); - } - else - { - fprintf(stderr, "Failed\n"); - taskSuspend(0); - } - return 0; -} -#endif /* USE_VXTHREADS */ - -#ifdef USE_WINTHREADS - -struct tramp_args { - thr_func fn; - long arg; -}; - -DWORD WINAPI tramp(LPVOID param) -{ - struct tramp_args *args = (struct tramp_args *)param; - - return (DWORD)(args -> fn)((LPVOID)(args -> arg)); -} - -void * run_parallel(int nthreads, thr_func f1, test_func t, const char *name) -{ - HANDLE thr[100]; - struct tramp_args args[100]; - int i; - DWORD code; - - fprintf(stderr, "Testing %s\n", name); - if (nthreads > 100) - { - fprintf(stderr, "run_parallel: requested too many threads\n"); - abort(); - } - - for (i = 0; i < nthreads; ++i) - { - args[i].fn = f1; - args[i].arg = i; - if ((thr[i] = CreateThread(NULL, 0, tramp, (LPVOID)(args+i), 0, NULL)) - == NULL) - { - perror("Thread creation failed"); - fprintf(stderr, "CreateThread failed with %d, thread %d\n", - GetLastError(), i); - abort(); - } - } - for (i = 0; i < nthreads; ++i) - { - if ((code = WaitForSingleObject(thr[i], INFINITE)) != WAIT_OBJECT_0) - { - perror("Thread join failed"); - fprintf(stderr, "WaitForSingleObject returned %d, thread %d\n", - code, i); - abort(); - } - } - if (t()) - { - fprintf(stderr, "Succeeded\n"); - } - else - { - fprintf(stderr, "Failed\n"); - abort(); - } - return 0; -} -#endif /* USE_WINTHREADS */ - diff --git a/vendor/gc/libatomic_ops-1.2/tests/test_atomic.c b/vendor/gc/libatomic_ops-1.2/tests/test_atomic.c deleted file mode 100644 index d31297d..0000000 --- a/vendor/gc/libatomic_ops-1.2/tests/test_atomic.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * Copyright (c) 2003-2005 Hewlett-Packard Development Company, L.P. - * Original Author: Hans Boehm - * - * This file may be redistributed and/or modified under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2, or (at your option) any later version. - * - * It is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License in the - * file doc/COPYING for more details. - */ - -#if defined(HAVE_CONFIG_H) -# include "config.h" -#endif - - -#include "run_parallel.inc" - -#include "test_atomic_include.h" - -#ifdef AO_USE_PTHREAD_DEFS -# define NITERS 100000 -#else -# define NITERS 10000000 -#endif - -void * add1sub1_thr(void * id); -int add1sub1_test(void); -void * acqrel_thr(void *id); -int acqrel_test(void); -void * test_and_set_thr(void * id); -int test_and_set_test(void); - -#if defined(AO_HAVE_fetch_and_add1) && defined(AO_HAVE_fetch_and_sub1) - -AO_t counter = 0; - -void * add1sub1_thr(void * id) -{ - int me = (int)(long)id; - - int i; - - for (i = 0; i < NITERS; ++i) - if (me & 1) - AO_fetch_and_sub1(&counter); - else - AO_fetch_and_add1(&counter); - - return 0; -} - -int add1sub1_test(void) -{ - return counter == 0; -} - -#endif /* defined(AO_HAVE_fetch_and_add1) && defined(AO_HAVE_fetch_and_sub1) */ - -#if defined(AO_HAVE_store_release_write) && defined(AO_HAVE_load_acquire_read) - -/* Invariant: counter1 >= counter2 */ -AO_t counter1 = 0; -AO_t counter2 = 0; - -void * acqrel_thr(void *id) -{ - int me = (int)(long)id; - - int i; - - for (i = 0; i < NITERS; ++i) - if (me & 1) - { - AO_t my_counter1; - if (me != 1) - fprintf(stderr, "acqrel test: too many threads\n"); - my_counter1 = AO_load(&counter1); - AO_store(&counter1, my_counter1 + 1); - AO_store_release_write(&counter2, my_counter1 + 1); - } - else - { - AO_t my_counter1a, my_counter2a; - AO_t my_counter1b, my_counter2b; - - my_counter2a = AO_load_acquire_read(&counter2); - my_counter1a = AO_load(&counter1); - /* Redo this, to make sure that the second load of counter1 */ - /* is not viewed as a common subexpression. */ - my_counter2b = AO_load_acquire_read(&counter2); - my_counter1b = AO_load(&counter1); - if (my_counter1a < my_counter2a) - { - fprintf(stderr, "Saw release store out of order: %lu < %lu\n", - (unsigned long)my_counter1a, (unsigned long)my_counter2a); - abort(); - } - if (my_counter1b < my_counter2b) - { - fprintf(stderr, - "Saw release store out of order (bad CSE?): %lu < %lu\n", - (unsigned long)my_counter1b, (unsigned long)my_counter2b); - abort(); - } - } - - return 0; -} - -int acqrel_test(void) -{ - return counter1 == NITERS && counter2 == NITERS; -} - -#endif /* AO_HAVE_store_release_write && AO_HAVE_load_acquire_read */ - -#if defined(AO_HAVE_test_and_set_acquire) - -AO_TS_T lock = AO_TS_INITIALIZER; - -unsigned long locked_counter; -volatile unsigned long junk = 13; - -void * test_and_set_thr(void * id) -{ - unsigned long i; - - for (i = 0; i < NITERS/10; ++i) - { - while (AO_test_and_set_acquire(&lock) != AO_TS_CLEAR); - ++locked_counter; - if (locked_counter != 1) - { - fprintf(stderr, "Test and set failure 1, counter = %ld\n", - locked_counter); - abort(); - } - locked_counter *= 2; - locked_counter -= 1; - locked_counter *= 5; - locked_counter -= 4; - if (locked_counter != 1) - { - fprintf(stderr, "Test and set failure 2, counter = %ld\n", - locked_counter); - abort(); - } - --locked_counter; - AO_CLEAR(&lock); - /* Spend a bit of time outside the lock. */ - junk *= 17; - junk *= 17; - } - return 0; -} - -int test_and_set_test(void) -{ - return locked_counter == 0; -} - -#endif /* defined(AO_HAVE_test_and_set_acquire) */ - -int main() -{ - test_atomic(); - test_atomic_acquire(); - test_atomic_release(); - test_atomic_read(); - test_atomic_write(); - test_atomic_full(); - test_atomic_release_write(); - test_atomic_acquire_read(); -# if defined(AO_HAVE_fetch_and_add1) && defined(AO_HAVE_fetch_and_sub1) - run_parallel(4, add1sub1_thr, add1sub1_test, "add1/sub1"); -# endif -# if defined(AO_HAVE_store_release_write) && defined(AO_HAVE_load_acquire_read) - run_parallel(3, acqrel_thr, acqrel_test, - "store_release_write/load_acquire_read"); -# endif -# if defined(AO_HAVE_test_and_set_acquire) - run_parallel(5, test_and_set_thr, test_and_set_test, - "test_and_set"); -# endif - return 0; -} diff --git a/vendor/gc/libatomic_ops-1.2/tests/test_atomic.template b/vendor/gc/libatomic_ops-1.2/tests/test_atomic.template deleted file mode 100644 index f80eac8..0000000 --- a/vendor/gc/libatomic_ops-1.2/tests/test_atomic.template +++ /dev/null @@ -1,203 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* Some basic sanity tests. These do not test the barrier semantics. */ - -#undef TA_assert -#define TA_assert(e) \ - if (!(e)) { fprintf(stderr, "Assertion failed %s:%d (barrier: XX)\n", \ - __FILE__, __LINE__), exit(1); } - -#undef MISSING -#define MISSING(name) \ - fprintf(stderr, "Missing: %s\n", #name "XX") - -void test_atomicXX(void) -{ - AO_t x; - unsigned char b; - unsigned short s; - unsigned int zz; -# if defined(AO_HAVE_test_and_setXX) - AO_TS_t z = AO_TS_INITIALIZER; -# endif -# if defined(AO_HAVE_double_t) - AO_double_t w; - w.AO_val1 = 0; - w.AO_val2 = 0; -# endif - -# if defined(AO_HAVE_nopXX) - AO_nopXX(); -# else - MISSING(AO_nop); -# endif -# if defined(AO_HAVE_storeXX) - AO_storeXX(&x, 13); - TA_assert (x == 13); -# else - MISSING(AO_store); - x = 13; -# endif -# if defined(AO_HAVE_loadXX) - TA_assert(AO_loadXX(&x) == 13); -# else - MISSING(AO_load); -# endif -# if defined(AO_HAVE_test_and_setXX) - assert(AO_test_and_setXX(&z) == AO_TS_CLEAR); - assert(AO_test_and_setXX(&z) == AO_TS_SET); - assert(AO_test_and_setXX(&z) == AO_TS_SET); - AO_CLEAR(&z); -# else - MISSING(AO_test_and_set); -# endif -# if defined(AO_HAVE_fetch_and_addXX) - TA_assert(AO_fetch_and_addXX(&x, 42) == 13); - TA_assert(AO_fetch_and_addXX(&x, -42) == 55); -# else - MISSING(AO_fetch_and_add); -# endif -# if defined(AO_HAVE_fetch_and_add1XX) - TA_assert(AO_fetch_and_add1XX(&x) == 13); -# else - MISSING(AO_fetch_and_add1); - ++x; -# endif -# if defined(AO_HAVE_fetch_and_sub1XX) - TA_assert(AO_fetch_and_sub1XX(&x) == 14); -# else - MISSING(AO_fetch_and_sub1); - --x; -# endif -# if defined(AO_HAVE_short_storeXX) - AO_short_storeXX(&s, 13); -# else - MISSING(AO_short_store); - s = 13; -# endif -# if defined(AO_HAVE_short_loadXX) - TA_assert(AO_short_load(&s) == 13); -# else - MISSING(AO_short_load); -# endif -# if defined(AO_HAVE_short_fetch_and_addXX) - TA_assert(AO_short_fetch_and_addXX(&s, 42) == 13); - TA_assert(AO_short_fetch_and_addXX(&s, -42) == 55); -# else - MISSING(AO_short_fetch_and_add); -# endif -# if defined(AO_HAVE_short_fetch_and_add1XX) - TA_assert(AO_short_fetch_and_add1XX(&s) == 13); -# else - MISSING(AO_short_fetch_and_add1); - ++s; -# endif -# if defined(AO_HAVE_short_fetch_and_sub1XX) - TA_assert(AO_short_fetch_and_sub1XX(&s) == 14); -# else - MISSING(AO_short_fetch_and_sub1); - --s; -# endif -# if defined(AO_HAVE_char_storeXX) - AO_char_storeXX(&b, 13); -# else - MISSING(AO_char_store); - b = 13; -# endif -# if defined(AO_HAVE_char_loadXX) - TA_assert(AO_char_load(&b) == 13); -# else - MISSING(AO_char_load); -# endif -# if defined(AO_HAVE_char_fetch_and_addXX) - TA_assert(AO_char_fetch_and_addXX(&b, 42) == 13); - TA_assert(AO_char_fetch_and_addXX(&b, -42) == 55); -# else - MISSING(AO_char_fetch_and_add); -# endif -# if defined(AO_HAVE_char_fetch_and_add1XX) - TA_assert(AO_char_fetch_and_add1XX(&b) == 13); -# else - MISSING(AO_char_fetch_and_add1); - ++b; -# endif -# if defined(AO_HAVE_char_fetch_and_sub1XX) - TA_assert(AO_char_fetch_and_sub1XX(&b) == 14); -# else - MISSING(AO_char_fetch_and_sub1); - --b; -# endif -# if defined(AO_HAVE_int_storeXX) - AO_int_storeXX(&zz, 13); -# else - MISSING(AO_int_store); - zz = 13; -# endif -# if defined(AO_HAVE_int_loadXX) - TA_assert(AO_int_load(&zz) == 13); -# else - MISSING(AO_int_load); -# endif -# if defined(AO_HAVE_int_fetch_and_addXX) - TA_assert(AO_int_fetch_and_addXX(&zz, 42) == 13); - TA_assert(AO_int_fetch_and_addXX(&zz, -42) == 55); -# else - MISSING(AO_int_fetch_and_add); -# endif -# if defined(AO_HAVE_int_fetch_and_add1XX) - TA_assert(AO_int_fetch_and_add1XX(&zz) == 13); -# else - MISSING(AO_int_fetch_and_add1); - ++zz; -# endif -# if defined(AO_HAVE_int_fetch_and_sub1XX) - TA_assert(AO_int_fetch_and_sub1XX(&zz) == 14); -# else - MISSING(AO_int_fetch_and_sub1); - --zz; -# endif -# if defined(AO_HAVE_compare_and_swapXX) - TA_assert(!AO_compare_and_swapXX(&x, 14, 42)); - TA_assert(x == 13); - TA_assert(AO_compare_and_swapXX(&x, 13, 42)); - TA_assert(x == 42); -# else - MISSING(AO_compare_and_swap); -# endif -# if defined(AO_HAVE_orXX) - AO_orXX(&x, 66); - TA_assert(x == 106); -# else - MISSING(AO_or); - x |= 34; -# endif -# if defined(AO_HAVE_compare_double_and_swap_doubleXX) - TA_assert(!AO_compare_double_and_swap_doubleXX(&w, 17, 42, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_double_and_swap_doubleXX(&w, 0, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_double_and_swap_doubleXX(&w, 12, 13, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); - w.AO_val1 = 0; w.AO_val2 = 0; -# else - MISSING(AO_compare_double_and_swap_double); -# endif -# if defined(AO_HAVE_compare_and_swap_doubleXX) - TA_assert(!AO_compare_and_swap_doubleXX(&w, 17, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_and_swap_doubleXX(&w, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_and_swap_doubleXX(&w, 12, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); -# else - MISSING(AO_compare_and_swap_double); -# endif -} - - - diff --git a/vendor/gc/libatomic_ops-1.2/tests/test_atomic_include.h b/vendor/gc/libatomic_ops-1.2/tests/test_atomic_include.h deleted file mode 100644 index bc280eb..0000000 --- a/vendor/gc/libatomic_ops-1.2/tests/test_atomic_include.h +++ /dev/null @@ -1,1633 +0,0 @@ -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -void test_atomic(void); -void test_atomic_release(void); -void test_atomic_acquire(void); -void test_atomic_read(void); -void test_atomic_write(void); -void test_atomic_full(void); -void test_atomic_release_write(void); -void test_atomic_acquire_read(void); - -/* Some basic sanity tests. These do not test the barrier semantics. */ - -#undef TA_assert -#define TA_assert(e) \ - if (!(e)) { fprintf(stderr, "Assertion failed %s:%d (barrier: )\n", \ - __FILE__, __LINE__), exit(1); } - -#undef MISSING -#define MISSING(name) \ - fprintf(stderr, "Missing: %s\n", #name "") - -void test_atomic(void) -{ - AO_t x; - unsigned char b; - unsigned short s; - unsigned int zz; -# if defined(AO_HAVE_test_and_set) - AO_TS_t z = AO_TS_INITIALIZER; -# endif -# if defined(AO_HAVE_double_t) - AO_double_t w; - w.AO_val1 = 0; - w.AO_val2 = 0; -# endif - -# if defined(AO_HAVE_nop) - AO_nop(); -# else - MISSING(AO_nop); -# endif -# if defined(AO_HAVE_store) - AO_store(&x, 13); - TA_assert (x == 13); -# else - MISSING(AO_store); - x = 13; -# endif -# if defined(AO_HAVE_load) - TA_assert(AO_load(&x) == 13); -# else - MISSING(AO_load); -# endif -# if defined(AO_HAVE_test_and_set) - assert(AO_test_and_set(&z) == AO_TS_CLEAR); - assert(AO_test_and_set(&z) == AO_TS_SET); - assert(AO_test_and_set(&z) == AO_TS_SET); - AO_CLEAR(&z); -# else - MISSING(AO_test_and_set); -# endif -# if defined(AO_HAVE_fetch_and_add) - TA_assert(AO_fetch_and_add(&x, 42) == 13); - TA_assert(AO_fetch_and_add(&x, -42) == 55); -# else - MISSING(AO_fetch_and_add); -# endif -# if defined(AO_HAVE_fetch_and_add1) - TA_assert(AO_fetch_and_add1(&x) == 13); -# else - MISSING(AO_fetch_and_add1); - ++x; -# endif -# if defined(AO_HAVE_fetch_and_sub1) - TA_assert(AO_fetch_and_sub1(&x) == 14); -# else - MISSING(AO_fetch_and_sub1); - --x; -# endif -# if defined(AO_HAVE_short_store) - AO_short_store(&s, 13); -# else - MISSING(AO_short_store); - s = 13; -# endif -# if defined(AO_HAVE_short_load) - TA_assert(AO_short_load(&s) == 13); -# else - MISSING(AO_short_load); -# endif -# if defined(AO_HAVE_short_fetch_and_add) - TA_assert(AO_short_fetch_and_add(&s, 42) == 13); - TA_assert(AO_short_fetch_and_add(&s, -42) == 55); -# else - MISSING(AO_short_fetch_and_add); -# endif -# if defined(AO_HAVE_short_fetch_and_add1) - TA_assert(AO_short_fetch_and_add1(&s) == 13); -# else - MISSING(AO_short_fetch_and_add1); - ++s; -# endif -# if defined(AO_HAVE_short_fetch_and_sub1) - TA_assert(AO_short_fetch_and_sub1(&s) == 14); -# else - MISSING(AO_short_fetch_and_sub1); - --s; -# endif -# if defined(AO_HAVE_char_store) - AO_char_store(&b, 13); -# else - MISSING(AO_char_store); - b = 13; -# endif -# if defined(AO_HAVE_char_load) - TA_assert(AO_char_load(&b) == 13); -# else - MISSING(AO_char_load); -# endif -# if defined(AO_HAVE_char_fetch_and_add) - TA_assert(AO_char_fetch_and_add(&b, 42) == 13); - TA_assert(AO_char_fetch_and_add(&b, -42) == 55); -# else - MISSING(AO_char_fetch_and_add); -# endif -# if defined(AO_HAVE_char_fetch_and_add1) - TA_assert(AO_char_fetch_and_add1(&b) == 13); -# else - MISSING(AO_char_fetch_and_add1); - ++b; -# endif -# if defined(AO_HAVE_char_fetch_and_sub1) - TA_assert(AO_char_fetch_and_sub1(&b) == 14); -# else - MISSING(AO_char_fetch_and_sub1); - --b; -# endif -# if defined(AO_HAVE_int_store) - AO_int_store(&zz, 13); -# else - MISSING(AO_int_store); - zz = 13; -# endif -# if defined(AO_HAVE_int_load) - TA_assert(AO_int_load(&zz) == 13); -# else - MISSING(AO_int_load); -# endif -# if defined(AO_HAVE_int_fetch_and_add) - TA_assert(AO_int_fetch_and_add(&zz, 42) == 13); - TA_assert(AO_int_fetch_and_add(&zz, -42) == 55); -# else - MISSING(AO_int_fetch_and_add); -# endif -# if defined(AO_HAVE_int_fetch_and_add1) - TA_assert(AO_int_fetch_and_add1(&zz) == 13); -# else - MISSING(AO_int_fetch_and_add1); - ++zz; -# endif -# if defined(AO_HAVE_int_fetch_and_sub1) - TA_assert(AO_int_fetch_and_sub1(&zz) == 14); -# else - MISSING(AO_int_fetch_and_sub1); - --zz; -# endif -# if defined(AO_HAVE_compare_and_swap) - TA_assert(!AO_compare_and_swap(&x, 14, 42)); - TA_assert(x == 13); - TA_assert(AO_compare_and_swap(&x, 13, 42)); - TA_assert(x == 42); -# else - MISSING(AO_compare_and_swap); -# endif -# if defined(AO_HAVE_or) - AO_or(&x, 66); - TA_assert(x == 106); -# else - MISSING(AO_or); - x |= 34; -# endif -# if defined(AO_HAVE_compare_double_and_swap_double) - TA_assert(!AO_compare_double_and_swap_double(&w, 17, 42, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_double_and_swap_double(&w, 0, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_double_and_swap_double(&w, 12, 13, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); - w.AO_val1 = 0; w.AO_val2 = 0; -# else - MISSING(AO_compare_double_and_swap_double); -# endif -# if defined(AO_HAVE_compare_and_swap_double) - TA_assert(!AO_compare_and_swap_double(&w, 17, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_and_swap_double(&w, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_and_swap_double(&w, 12, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); -# else - MISSING(AO_compare_and_swap_double); -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* Some basic sanity tests. These do not test the barrier semantics. */ - -#undef TA_assert -#define TA_assert(e) \ - if (!(e)) { fprintf(stderr, "Assertion failed %s:%d (barrier: _release)\n", \ - __FILE__, __LINE__), exit(1); } - -#undef MISSING -#define MISSING(name) \ - fprintf(stderr, "Missing: %s\n", #name "_release") - -void test_atomic_release(void) -{ - AO_t x; - unsigned char b; - unsigned short s; - unsigned int zz; -# if defined(AO_HAVE_test_and_set_release) - AO_TS_t z = AO_TS_INITIALIZER; -# endif -# if defined(AO_HAVE_double_t) - AO_double_t w; - w.AO_val1 = 0; - w.AO_val2 = 0; -# endif - -# if defined(AO_HAVE_nop_release) - AO_nop_release(); -# else - MISSING(AO_nop); -# endif -# if defined(AO_HAVE_store_release) - AO_store_release(&x, 13); - TA_assert (x == 13); -# else - MISSING(AO_store); - x = 13; -# endif -# if defined(AO_HAVE_load_release) - TA_assert(AO_load_release(&x) == 13); -# else - MISSING(AO_load); -# endif -# if defined(AO_HAVE_test_and_set_release) - assert(AO_test_and_set_release(&z) == AO_TS_CLEAR); - assert(AO_test_and_set_release(&z) == AO_TS_SET); - assert(AO_test_and_set_release(&z) == AO_TS_SET); - AO_CLEAR(&z); -# else - MISSING(AO_test_and_set); -# endif -# if defined(AO_HAVE_fetch_and_add_release) - TA_assert(AO_fetch_and_add_release(&x, 42) == 13); - TA_assert(AO_fetch_and_add_release(&x, -42) == 55); -# else - MISSING(AO_fetch_and_add); -# endif -# if defined(AO_HAVE_fetch_and_add1_release) - TA_assert(AO_fetch_and_add1_release(&x) == 13); -# else - MISSING(AO_fetch_and_add1); - ++x; -# endif -# if defined(AO_HAVE_fetch_and_sub1_release) - TA_assert(AO_fetch_and_sub1_release(&x) == 14); -# else - MISSING(AO_fetch_and_sub1); - --x; -# endif -# if defined(AO_HAVE_short_store_release) - AO_short_store_release(&s, 13); -# else - MISSING(AO_short_store); - s = 13; -# endif -# if defined(AO_HAVE_short_load_release) - TA_assert(AO_short_load(&s) == 13); -# else - MISSING(AO_short_load); -# endif -# if defined(AO_HAVE_short_fetch_and_add_release) - TA_assert(AO_short_fetch_and_add_release(&s, 42) == 13); - TA_assert(AO_short_fetch_and_add_release(&s, -42) == 55); -# else - MISSING(AO_short_fetch_and_add); -# endif -# if defined(AO_HAVE_short_fetch_and_add1_release) - TA_assert(AO_short_fetch_and_add1_release(&s) == 13); -# else - MISSING(AO_short_fetch_and_add1); - ++s; -# endif -# if defined(AO_HAVE_short_fetch_and_sub1_release) - TA_assert(AO_short_fetch_and_sub1_release(&s) == 14); -# else - MISSING(AO_short_fetch_and_sub1); - --s; -# endif -# if defined(AO_HAVE_char_store_release) - AO_char_store_release(&b, 13); -# else - MISSING(AO_char_store); - b = 13; -# endif -# if defined(AO_HAVE_char_load_release) - TA_assert(AO_char_load(&b) == 13); -# else - MISSING(AO_char_load); -# endif -# if defined(AO_HAVE_char_fetch_and_add_release) - TA_assert(AO_char_fetch_and_add_release(&b, 42) == 13); - TA_assert(AO_char_fetch_and_add_release(&b, -42) == 55); -# else - MISSING(AO_char_fetch_and_add); -# endif -# if defined(AO_HAVE_char_fetch_and_add1_release) - TA_assert(AO_char_fetch_and_add1_release(&b) == 13); -# else - MISSING(AO_char_fetch_and_add1); - ++b; -# endif -# if defined(AO_HAVE_char_fetch_and_sub1_release) - TA_assert(AO_char_fetch_and_sub1_release(&b) == 14); -# else - MISSING(AO_char_fetch_and_sub1); - --b; -# endif -# if defined(AO_HAVE_int_store_release) - AO_int_store_release(&zz, 13); -# else - MISSING(AO_int_store); - zz = 13; -# endif -# if defined(AO_HAVE_int_load_release) - TA_assert(AO_int_load(&zz) == 13); -# else - MISSING(AO_int_load); -# endif -# if defined(AO_HAVE_int_fetch_and_add_release) - TA_assert(AO_int_fetch_and_add_release(&zz, 42) == 13); - TA_assert(AO_int_fetch_and_add_release(&zz, -42) == 55); -# else - MISSING(AO_int_fetch_and_add); -# endif -# if defined(AO_HAVE_int_fetch_and_add1_release) - TA_assert(AO_int_fetch_and_add1_release(&zz) == 13); -# else - MISSING(AO_int_fetch_and_add1); - ++zz; -# endif -# if defined(AO_HAVE_int_fetch_and_sub1_release) - TA_assert(AO_int_fetch_and_sub1_release(&zz) == 14); -# else - MISSING(AO_int_fetch_and_sub1); - --zz; -# endif -# if defined(AO_HAVE_compare_and_swap_release) - TA_assert(!AO_compare_and_swap_release(&x, 14, 42)); - TA_assert(x == 13); - TA_assert(AO_compare_and_swap_release(&x, 13, 42)); - TA_assert(x == 42); -# else - MISSING(AO_compare_and_swap); -# endif -# if defined(AO_HAVE_or_release) - AO_or_release(&x, 66); - TA_assert(x == 106); -# else - MISSING(AO_or); - x |= 34; -# endif -# if defined(AO_HAVE_compare_double_and_swap_double_release) - TA_assert(!AO_compare_double_and_swap_double_release(&w, 17, 42, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_double_and_swap_double_release(&w, 0, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_double_and_swap_double_release(&w, 12, 13, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); - w.AO_val1 = 0; w.AO_val2 = 0; -# else - MISSING(AO_compare_double_and_swap_double); -# endif -# if defined(AO_HAVE_compare_and_swap_double_release) - TA_assert(!AO_compare_and_swap_double_release(&w, 17, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_and_swap_double_release(&w, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_and_swap_double_release(&w, 12, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); -# else - MISSING(AO_compare_and_swap_double); -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* Some basic sanity tests. These do not test the barrier semantics. */ - -#undef TA_assert -#define TA_assert(e) \ - if (!(e)) { fprintf(stderr, "Assertion failed %s:%d (barrier: _acquire)\n", \ - __FILE__, __LINE__), exit(1); } - -#undef MISSING -#define MISSING(name) \ - fprintf(stderr, "Missing: %s\n", #name "_acquire") - -void test_atomic_acquire(void) -{ - AO_t x; - unsigned char b; - unsigned short s; - unsigned int zz; -# if defined(AO_HAVE_test_and_set_acquire) - AO_TS_t z = AO_TS_INITIALIZER; -# endif -# if defined(AO_HAVE_double_t) - AO_double_t w; - w.AO_val1 = 0; - w.AO_val2 = 0; -# endif - -# if defined(AO_HAVE_nop_acquire) - AO_nop_acquire(); -# else - MISSING(AO_nop); -# endif -# if defined(AO_HAVE_store_acquire) - AO_store_acquire(&x, 13); - TA_assert (x == 13); -# else - MISSING(AO_store); - x = 13; -# endif -# if defined(AO_HAVE_load_acquire) - TA_assert(AO_load_acquire(&x) == 13); -# else - MISSING(AO_load); -# endif -# if defined(AO_HAVE_test_and_set_acquire) - assert(AO_test_and_set_acquire(&z) == AO_TS_CLEAR); - assert(AO_test_and_set_acquire(&z) == AO_TS_SET); - assert(AO_test_and_set_acquire(&z) == AO_TS_SET); - AO_CLEAR(&z); -# else - MISSING(AO_test_and_set); -# endif -# if defined(AO_HAVE_fetch_and_add_acquire) - TA_assert(AO_fetch_and_add_acquire(&x, 42) == 13); - TA_assert(AO_fetch_and_add_acquire(&x, -42) == 55); -# else - MISSING(AO_fetch_and_add); -# endif -# if defined(AO_HAVE_fetch_and_add1_acquire) - TA_assert(AO_fetch_and_add1_acquire(&x) == 13); -# else - MISSING(AO_fetch_and_add1); - ++x; -# endif -# if defined(AO_HAVE_fetch_and_sub1_acquire) - TA_assert(AO_fetch_and_sub1_acquire(&x) == 14); -# else - MISSING(AO_fetch_and_sub1); - --x; -# endif -# if defined(AO_HAVE_short_store_acquire) - AO_short_store_acquire(&s, 13); -# else - MISSING(AO_short_store); - s = 13; -# endif -# if defined(AO_HAVE_short_load_acquire) - TA_assert(AO_short_load(&s) == 13); -# else - MISSING(AO_short_load); -# endif -# if defined(AO_HAVE_short_fetch_and_add_acquire) - TA_assert(AO_short_fetch_and_add_acquire(&s, 42) == 13); - TA_assert(AO_short_fetch_and_add_acquire(&s, -42) == 55); -# else - MISSING(AO_short_fetch_and_add); -# endif -# if defined(AO_HAVE_short_fetch_and_add1_acquire) - TA_assert(AO_short_fetch_and_add1_acquire(&s) == 13); -# else - MISSING(AO_short_fetch_and_add1); - ++s; -# endif -# if defined(AO_HAVE_short_fetch_and_sub1_acquire) - TA_assert(AO_short_fetch_and_sub1_acquire(&s) == 14); -# else - MISSING(AO_short_fetch_and_sub1); - --s; -# endif -# if defined(AO_HAVE_char_store_acquire) - AO_char_store_acquire(&b, 13); -# else - MISSING(AO_char_store); - b = 13; -# endif -# if defined(AO_HAVE_char_load_acquire) - TA_assert(AO_char_load(&b) == 13); -# else - MISSING(AO_char_load); -# endif -# if defined(AO_HAVE_char_fetch_and_add_acquire) - TA_assert(AO_char_fetch_and_add_acquire(&b, 42) == 13); - TA_assert(AO_char_fetch_and_add_acquire(&b, -42) == 55); -# else - MISSING(AO_char_fetch_and_add); -# endif -# if defined(AO_HAVE_char_fetch_and_add1_acquire) - TA_assert(AO_char_fetch_and_add1_acquire(&b) == 13); -# else - MISSING(AO_char_fetch_and_add1); - ++b; -# endif -# if defined(AO_HAVE_char_fetch_and_sub1_acquire) - TA_assert(AO_char_fetch_and_sub1_acquire(&b) == 14); -# else - MISSING(AO_char_fetch_and_sub1); - --b; -# endif -# if defined(AO_HAVE_int_store_acquire) - AO_int_store_acquire(&zz, 13); -# else - MISSING(AO_int_store); - zz = 13; -# endif -# if defined(AO_HAVE_int_load_acquire) - TA_assert(AO_int_load(&zz) == 13); -# else - MISSING(AO_int_load); -# endif -# if defined(AO_HAVE_int_fetch_and_add_acquire) - TA_assert(AO_int_fetch_and_add_acquire(&zz, 42) == 13); - TA_assert(AO_int_fetch_and_add_acquire(&zz, -42) == 55); -# else - MISSING(AO_int_fetch_and_add); -# endif -# if defined(AO_HAVE_int_fetch_and_add1_acquire) - TA_assert(AO_int_fetch_and_add1_acquire(&zz) == 13); -# else - MISSING(AO_int_fetch_and_add1); - ++zz; -# endif -# if defined(AO_HAVE_int_fetch_and_sub1_acquire) - TA_assert(AO_int_fetch_and_sub1_acquire(&zz) == 14); -# else - MISSING(AO_int_fetch_and_sub1); - --zz; -# endif -# if defined(AO_HAVE_compare_and_swap_acquire) - TA_assert(!AO_compare_and_swap_acquire(&x, 14, 42)); - TA_assert(x == 13); - TA_assert(AO_compare_and_swap_acquire(&x, 13, 42)); - TA_assert(x == 42); -# else - MISSING(AO_compare_and_swap); -# endif -# if defined(AO_HAVE_or_acquire) - AO_or_acquire(&x, 66); - TA_assert(x == 106); -# else - MISSING(AO_or); - x |= 34; -# endif -# if defined(AO_HAVE_compare_double_and_swap_double_acquire) - TA_assert(!AO_compare_double_and_swap_double_acquire(&w, 17, 42, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_double_and_swap_double_acquire(&w, 0, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_double_and_swap_double_acquire(&w, 12, 13, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); - w.AO_val1 = 0; w.AO_val2 = 0; -# else - MISSING(AO_compare_double_and_swap_double); -# endif -# if defined(AO_HAVE_compare_and_swap_double_acquire) - TA_assert(!AO_compare_and_swap_double_acquire(&w, 17, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_and_swap_double_acquire(&w, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_and_swap_double_acquire(&w, 12, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); -# else - MISSING(AO_compare_and_swap_double); -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* Some basic sanity tests. These do not test the barrier semantics. */ - -#undef TA_assert -#define TA_assert(e) \ - if (!(e)) { fprintf(stderr, "Assertion failed %s:%d (barrier: _read)\n", \ - __FILE__, __LINE__), exit(1); } - -#undef MISSING -#define MISSING(name) \ - fprintf(stderr, "Missing: %s\n", #name "_read") - -void test_atomic_read(void) -{ - AO_t x; - unsigned char b; - unsigned short s; - unsigned int zz; -# if defined(AO_HAVE_test_and_set_read) - AO_TS_t z = AO_TS_INITIALIZER; -# endif -# if defined(AO_HAVE_double_t) - AO_double_t w; - w.AO_val1 = 0; - w.AO_val2 = 0; -# endif - -# if defined(AO_HAVE_nop_read) - AO_nop_read(); -# else - MISSING(AO_nop); -# endif -# if defined(AO_HAVE_store_read) - AO_store_read(&x, 13); - TA_assert (x == 13); -# else - MISSING(AO_store); - x = 13; -# endif -# if defined(AO_HAVE_load_read) - TA_assert(AO_load_read(&x) == 13); -# else - MISSING(AO_load); -# endif -# if defined(AO_HAVE_test_and_set_read) - assert(AO_test_and_set_read(&z) == AO_TS_CLEAR); - assert(AO_test_and_set_read(&z) == AO_TS_SET); - assert(AO_test_and_set_read(&z) == AO_TS_SET); - AO_CLEAR(&z); -# else - MISSING(AO_test_and_set); -# endif -# if defined(AO_HAVE_fetch_and_add_read) - TA_assert(AO_fetch_and_add_read(&x, 42) == 13); - TA_assert(AO_fetch_and_add_read(&x, -42) == 55); -# else - MISSING(AO_fetch_and_add); -# endif -# if defined(AO_HAVE_fetch_and_add1_read) - TA_assert(AO_fetch_and_add1_read(&x) == 13); -# else - MISSING(AO_fetch_and_add1); - ++x; -# endif -# if defined(AO_HAVE_fetch_and_sub1_read) - TA_assert(AO_fetch_and_sub1_read(&x) == 14); -# else - MISSING(AO_fetch_and_sub1); - --x; -# endif -# if defined(AO_HAVE_short_store_read) - AO_short_store_read(&s, 13); -# else - MISSING(AO_short_store); - s = 13; -# endif -# if defined(AO_HAVE_short_load_read) - TA_assert(AO_short_load(&s) == 13); -# else - MISSING(AO_short_load); -# endif -# if defined(AO_HAVE_short_fetch_and_add_read) - TA_assert(AO_short_fetch_and_add_read(&s, 42) == 13); - TA_assert(AO_short_fetch_and_add_read(&s, -42) == 55); -# else - MISSING(AO_short_fetch_and_add); -# endif -# if defined(AO_HAVE_short_fetch_and_add1_read) - TA_assert(AO_short_fetch_and_add1_read(&s) == 13); -# else - MISSING(AO_short_fetch_and_add1); - ++s; -# endif -# if defined(AO_HAVE_short_fetch_and_sub1_read) - TA_assert(AO_short_fetch_and_sub1_read(&s) == 14); -# else - MISSING(AO_short_fetch_and_sub1); - --s; -# endif -# if defined(AO_HAVE_char_store_read) - AO_char_store_read(&b, 13); -# else - MISSING(AO_char_store); - b = 13; -# endif -# if defined(AO_HAVE_char_load_read) - TA_assert(AO_char_load(&b) == 13); -# else - MISSING(AO_char_load); -# endif -# if defined(AO_HAVE_char_fetch_and_add_read) - TA_assert(AO_char_fetch_and_add_read(&b, 42) == 13); - TA_assert(AO_char_fetch_and_add_read(&b, -42) == 55); -# else - MISSING(AO_char_fetch_and_add); -# endif -# if defined(AO_HAVE_char_fetch_and_add1_read) - TA_assert(AO_char_fetch_and_add1_read(&b) == 13); -# else - MISSING(AO_char_fetch_and_add1); - ++b; -# endif -# if defined(AO_HAVE_char_fetch_and_sub1_read) - TA_assert(AO_char_fetch_and_sub1_read(&b) == 14); -# else - MISSING(AO_char_fetch_and_sub1); - --b; -# endif -# if defined(AO_HAVE_int_store_read) - AO_int_store_read(&zz, 13); -# else - MISSING(AO_int_store); - zz = 13; -# endif -# if defined(AO_HAVE_int_load_read) - TA_assert(AO_int_load(&zz) == 13); -# else - MISSING(AO_int_load); -# endif -# if defined(AO_HAVE_int_fetch_and_add_read) - TA_assert(AO_int_fetch_and_add_read(&zz, 42) == 13); - TA_assert(AO_int_fetch_and_add_read(&zz, -42) == 55); -# else - MISSING(AO_int_fetch_and_add); -# endif -# if defined(AO_HAVE_int_fetch_and_add1_read) - TA_assert(AO_int_fetch_and_add1_read(&zz) == 13); -# else - MISSING(AO_int_fetch_and_add1); - ++zz; -# endif -# if defined(AO_HAVE_int_fetch_and_sub1_read) - TA_assert(AO_int_fetch_and_sub1_read(&zz) == 14); -# else - MISSING(AO_int_fetch_and_sub1); - --zz; -# endif -# if defined(AO_HAVE_compare_and_swap_read) - TA_assert(!AO_compare_and_swap_read(&x, 14, 42)); - TA_assert(x == 13); - TA_assert(AO_compare_and_swap_read(&x, 13, 42)); - TA_assert(x == 42); -# else - MISSING(AO_compare_and_swap); -# endif -# if defined(AO_HAVE_or_read) - AO_or_read(&x, 66); - TA_assert(x == 106); -# else - MISSING(AO_or); - x |= 34; -# endif -# if defined(AO_HAVE_compare_double_and_swap_double_read) - TA_assert(!AO_compare_double_and_swap_double_read(&w, 17, 42, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_double_and_swap_double_read(&w, 0, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_double_and_swap_double_read(&w, 12, 13, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); - w.AO_val1 = 0; w.AO_val2 = 0; -# else - MISSING(AO_compare_double_and_swap_double); -# endif -# if defined(AO_HAVE_compare_and_swap_double_read) - TA_assert(!AO_compare_and_swap_double_read(&w, 17, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_and_swap_double_read(&w, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_and_swap_double_read(&w, 12, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); -# else - MISSING(AO_compare_and_swap_double); -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* Some basic sanity tests. These do not test the barrier semantics. */ - -#undef TA_assert -#define TA_assert(e) \ - if (!(e)) { fprintf(stderr, "Assertion failed %s:%d (barrier: _write)\n", \ - __FILE__, __LINE__), exit(1); } - -#undef MISSING -#define MISSING(name) \ - fprintf(stderr, "Missing: %s\n", #name "_write") - -void test_atomic_write(void) -{ - AO_t x; - unsigned char b; - unsigned short s; - unsigned int zz; -# if defined(AO_HAVE_test_and_set_write) - AO_TS_t z = AO_TS_INITIALIZER; -# endif -# if defined(AO_HAVE_double_t) - AO_double_t w; - w.AO_val1 = 0; - w.AO_val2 = 0; -# endif - -# if defined(AO_HAVE_nop_write) - AO_nop_write(); -# else - MISSING(AO_nop); -# endif -# if defined(AO_HAVE_store_write) - AO_store_write(&x, 13); - TA_assert (x == 13); -# else - MISSING(AO_store); - x = 13; -# endif -# if defined(AO_HAVE_load_write) - TA_assert(AO_load_write(&x) == 13); -# else - MISSING(AO_load); -# endif -# if defined(AO_HAVE_test_and_set_write) - assert(AO_test_and_set_write(&z) == AO_TS_CLEAR); - assert(AO_test_and_set_write(&z) == AO_TS_SET); - assert(AO_test_and_set_write(&z) == AO_TS_SET); - AO_CLEAR(&z); -# else - MISSING(AO_test_and_set); -# endif -# if defined(AO_HAVE_fetch_and_add_write) - TA_assert(AO_fetch_and_add_write(&x, 42) == 13); - TA_assert(AO_fetch_and_add_write(&x, -42) == 55); -# else - MISSING(AO_fetch_and_add); -# endif -# if defined(AO_HAVE_fetch_and_add1_write) - TA_assert(AO_fetch_and_add1_write(&x) == 13); -# else - MISSING(AO_fetch_and_add1); - ++x; -# endif -# if defined(AO_HAVE_fetch_and_sub1_write) - TA_assert(AO_fetch_and_sub1_write(&x) == 14); -# else - MISSING(AO_fetch_and_sub1); - --x; -# endif -# if defined(AO_HAVE_short_store_write) - AO_short_store_write(&s, 13); -# else - MISSING(AO_short_store); - s = 13; -# endif -# if defined(AO_HAVE_short_load_write) - TA_assert(AO_short_load(&s) == 13); -# else - MISSING(AO_short_load); -# endif -# if defined(AO_HAVE_short_fetch_and_add_write) - TA_assert(AO_short_fetch_and_add_write(&s, 42) == 13); - TA_assert(AO_short_fetch_and_add_write(&s, -42) == 55); -# else - MISSING(AO_short_fetch_and_add); -# endif -# if defined(AO_HAVE_short_fetch_and_add1_write) - TA_assert(AO_short_fetch_and_add1_write(&s) == 13); -# else - MISSING(AO_short_fetch_and_add1); - ++s; -# endif -# if defined(AO_HAVE_short_fetch_and_sub1_write) - TA_assert(AO_short_fetch_and_sub1_write(&s) == 14); -# else - MISSING(AO_short_fetch_and_sub1); - --s; -# endif -# if defined(AO_HAVE_char_store_write) - AO_char_store_write(&b, 13); -# else - MISSING(AO_char_store); - b = 13; -# endif -# if defined(AO_HAVE_char_load_write) - TA_assert(AO_char_load(&b) == 13); -# else - MISSING(AO_char_load); -# endif -# if defined(AO_HAVE_char_fetch_and_add_write) - TA_assert(AO_char_fetch_and_add_write(&b, 42) == 13); - TA_assert(AO_char_fetch_and_add_write(&b, -42) == 55); -# else - MISSING(AO_char_fetch_and_add); -# endif -# if defined(AO_HAVE_char_fetch_and_add1_write) - TA_assert(AO_char_fetch_and_add1_write(&b) == 13); -# else - MISSING(AO_char_fetch_and_add1); - ++b; -# endif -# if defined(AO_HAVE_char_fetch_and_sub1_write) - TA_assert(AO_char_fetch_and_sub1_write(&b) == 14); -# else - MISSING(AO_char_fetch_and_sub1); - --b; -# endif -# if defined(AO_HAVE_int_store_write) - AO_int_store_write(&zz, 13); -# else - MISSING(AO_int_store); - zz = 13; -# endif -# if defined(AO_HAVE_int_load_write) - TA_assert(AO_int_load(&zz) == 13); -# else - MISSING(AO_int_load); -# endif -# if defined(AO_HAVE_int_fetch_and_add_write) - TA_assert(AO_int_fetch_and_add_write(&zz, 42) == 13); - TA_assert(AO_int_fetch_and_add_write(&zz, -42) == 55); -# else - MISSING(AO_int_fetch_and_add); -# endif -# if defined(AO_HAVE_int_fetch_and_add1_write) - TA_assert(AO_int_fetch_and_add1_write(&zz) == 13); -# else - MISSING(AO_int_fetch_and_add1); - ++zz; -# endif -# if defined(AO_HAVE_int_fetch_and_sub1_write) - TA_assert(AO_int_fetch_and_sub1_write(&zz) == 14); -# else - MISSING(AO_int_fetch_and_sub1); - --zz; -# endif -# if defined(AO_HAVE_compare_and_swap_write) - TA_assert(!AO_compare_and_swap_write(&x, 14, 42)); - TA_assert(x == 13); - TA_assert(AO_compare_and_swap_write(&x, 13, 42)); - TA_assert(x == 42); -# else - MISSING(AO_compare_and_swap); -# endif -# if defined(AO_HAVE_or_write) - AO_or_write(&x, 66); - TA_assert(x == 106); -# else - MISSING(AO_or); - x |= 34; -# endif -# if defined(AO_HAVE_compare_double_and_swap_double_write) - TA_assert(!AO_compare_double_and_swap_double_write(&w, 17, 42, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_double_and_swap_double_write(&w, 0, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_double_and_swap_double_write(&w, 12, 13, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); - w.AO_val1 = 0; w.AO_val2 = 0; -# else - MISSING(AO_compare_double_and_swap_double); -# endif -# if defined(AO_HAVE_compare_and_swap_double_write) - TA_assert(!AO_compare_and_swap_double_write(&w, 17, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_and_swap_double_write(&w, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_and_swap_double_write(&w, 12, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); -# else - MISSING(AO_compare_and_swap_double); -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* Some basic sanity tests. These do not test the barrier semantics. */ - -#undef TA_assert -#define TA_assert(e) \ - if (!(e)) { fprintf(stderr, "Assertion failed %s:%d (barrier: _full)\n", \ - __FILE__, __LINE__), exit(1); } - -#undef MISSING -#define MISSING(name) \ - fprintf(stderr, "Missing: %s\n", #name "_full") - -void test_atomic_full(void) -{ - AO_t x; - unsigned char b; - unsigned short s; - unsigned int zz; -# if defined(AO_HAVE_test_and_set_full) - AO_TS_t z = AO_TS_INITIALIZER; -# endif -# if defined(AO_HAVE_double_t) - AO_double_t w; - w.AO_val1 = 0; - w.AO_val2 = 0; -# endif - -# if defined(AO_HAVE_nop_full) - AO_nop_full(); -# else - MISSING(AO_nop); -# endif -# if defined(AO_HAVE_store_full) - AO_store_full(&x, 13); - TA_assert (x == 13); -# else - MISSING(AO_store); - x = 13; -# endif -# if defined(AO_HAVE_load_full) - TA_assert(AO_load_full(&x) == 13); -# else - MISSING(AO_load); -# endif -# if defined(AO_HAVE_test_and_set_full) - assert(AO_test_and_set_full(&z) == AO_TS_CLEAR); - assert(AO_test_and_set_full(&z) == AO_TS_SET); - assert(AO_test_and_set_full(&z) == AO_TS_SET); - AO_CLEAR(&z); -# else - MISSING(AO_test_and_set); -# endif -# if defined(AO_HAVE_fetch_and_add_full) - TA_assert(AO_fetch_and_add_full(&x, 42) == 13); - TA_assert(AO_fetch_and_add_full(&x, -42) == 55); -# else - MISSING(AO_fetch_and_add); -# endif -# if defined(AO_HAVE_fetch_and_add1_full) - TA_assert(AO_fetch_and_add1_full(&x) == 13); -# else - MISSING(AO_fetch_and_add1); - ++x; -# endif -# if defined(AO_HAVE_fetch_and_sub1_full) - TA_assert(AO_fetch_and_sub1_full(&x) == 14); -# else - MISSING(AO_fetch_and_sub1); - --x; -# endif -# if defined(AO_HAVE_short_store_full) - AO_short_store_full(&s, 13); -# else - MISSING(AO_short_store); - s = 13; -# endif -# if defined(AO_HAVE_short_load_full) - TA_assert(AO_short_load(&s) == 13); -# else - MISSING(AO_short_load); -# endif -# if defined(AO_HAVE_short_fetch_and_add_full) - TA_assert(AO_short_fetch_and_add_full(&s, 42) == 13); - TA_assert(AO_short_fetch_and_add_full(&s, -42) == 55); -# else - MISSING(AO_short_fetch_and_add); -# endif -# if defined(AO_HAVE_short_fetch_and_add1_full) - TA_assert(AO_short_fetch_and_add1_full(&s) == 13); -# else - MISSING(AO_short_fetch_and_add1); - ++s; -# endif -# if defined(AO_HAVE_short_fetch_and_sub1_full) - TA_assert(AO_short_fetch_and_sub1_full(&s) == 14); -# else - MISSING(AO_short_fetch_and_sub1); - --s; -# endif -# if defined(AO_HAVE_char_store_full) - AO_char_store_full(&b, 13); -# else - MISSING(AO_char_store); - b = 13; -# endif -# if defined(AO_HAVE_char_load_full) - TA_assert(AO_char_load(&b) == 13); -# else - MISSING(AO_char_load); -# endif -# if defined(AO_HAVE_char_fetch_and_add_full) - TA_assert(AO_char_fetch_and_add_full(&b, 42) == 13); - TA_assert(AO_char_fetch_and_add_full(&b, -42) == 55); -# else - MISSING(AO_char_fetch_and_add); -# endif -# if defined(AO_HAVE_char_fetch_and_add1_full) - TA_assert(AO_char_fetch_and_add1_full(&b) == 13); -# else - MISSING(AO_char_fetch_and_add1); - ++b; -# endif -# if defined(AO_HAVE_char_fetch_and_sub1_full) - TA_assert(AO_char_fetch_and_sub1_full(&b) == 14); -# else - MISSING(AO_char_fetch_and_sub1); - --b; -# endif -# if defined(AO_HAVE_int_store_full) - AO_int_store_full(&zz, 13); -# else - MISSING(AO_int_store); - zz = 13; -# endif -# if defined(AO_HAVE_int_load_full) - TA_assert(AO_int_load(&zz) == 13); -# else - MISSING(AO_int_load); -# endif -# if defined(AO_HAVE_int_fetch_and_add_full) - TA_assert(AO_int_fetch_and_add_full(&zz, 42) == 13); - TA_assert(AO_int_fetch_and_add_full(&zz, -42) == 55); -# else - MISSING(AO_int_fetch_and_add); -# endif -# if defined(AO_HAVE_int_fetch_and_add1_full) - TA_assert(AO_int_fetch_and_add1_full(&zz) == 13); -# else - MISSING(AO_int_fetch_and_add1); - ++zz; -# endif -# if defined(AO_HAVE_int_fetch_and_sub1_full) - TA_assert(AO_int_fetch_and_sub1_full(&zz) == 14); -# else - MISSING(AO_int_fetch_and_sub1); - --zz; -# endif -# if defined(AO_HAVE_compare_and_swap_full) - TA_assert(!AO_compare_and_swap_full(&x, 14, 42)); - TA_assert(x == 13); - TA_assert(AO_compare_and_swap_full(&x, 13, 42)); - TA_assert(x == 42); -# else - MISSING(AO_compare_and_swap); -# endif -# if defined(AO_HAVE_or_full) - AO_or_full(&x, 66); - TA_assert(x == 106); -# else - MISSING(AO_or); - x |= 34; -# endif -# if defined(AO_HAVE_compare_double_and_swap_double_full) - TA_assert(!AO_compare_double_and_swap_double_full(&w, 17, 42, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_double_and_swap_double_full(&w, 0, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_double_and_swap_double_full(&w, 12, 13, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); - w.AO_val1 = 0; w.AO_val2 = 0; -# else - MISSING(AO_compare_double_and_swap_double); -# endif -# if defined(AO_HAVE_compare_and_swap_double_full) - TA_assert(!AO_compare_and_swap_double_full(&w, 17, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_and_swap_double_full(&w, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_and_swap_double_full(&w, 12, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); -# else - MISSING(AO_compare_and_swap_double); -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* Some basic sanity tests. These do not test the barrier semantics. */ - -#undef TA_assert -#define TA_assert(e) \ - if (!(e)) { fprintf(stderr, "Assertion failed %s:%d (barrier: _release_write)\n", \ - __FILE__, __LINE__), exit(1); } - -#undef MISSING -#define MISSING(name) \ - fprintf(stderr, "Missing: %s\n", #name "_release_write") - -void test_atomic_release_write(void) -{ - AO_t x; - unsigned char b; - unsigned short s; - unsigned int zz; -# if defined(AO_HAVE_test_and_set_release_write) - AO_TS_t z = AO_TS_INITIALIZER; -# endif -# if defined(AO_HAVE_double_t) - AO_double_t w; - w.AO_val1 = 0; - w.AO_val2 = 0; -# endif - -# if defined(AO_HAVE_nop_release_write) - AO_nop_release_write(); -# else - MISSING(AO_nop); -# endif -# if defined(AO_HAVE_store_release_write) - AO_store_release_write(&x, 13); - TA_assert (x == 13); -# else - MISSING(AO_store); - x = 13; -# endif -# if defined(AO_HAVE_load_release_write) - TA_assert(AO_load_release_write(&x) == 13); -# else - MISSING(AO_load); -# endif -# if defined(AO_HAVE_test_and_set_release_write) - assert(AO_test_and_set_release_write(&z) == AO_TS_CLEAR); - assert(AO_test_and_set_release_write(&z) == AO_TS_SET); - assert(AO_test_and_set_release_write(&z) == AO_TS_SET); - AO_CLEAR(&z); -# else - MISSING(AO_test_and_set); -# endif -# if defined(AO_HAVE_fetch_and_add_release_write) - TA_assert(AO_fetch_and_add_release_write(&x, 42) == 13); - TA_assert(AO_fetch_and_add_release_write(&x, -42) == 55); -# else - MISSING(AO_fetch_and_add); -# endif -# if defined(AO_HAVE_fetch_and_add1_release_write) - TA_assert(AO_fetch_and_add1_release_write(&x) == 13); -# else - MISSING(AO_fetch_and_add1); - ++x; -# endif -# if defined(AO_HAVE_fetch_and_sub1_release_write) - TA_assert(AO_fetch_and_sub1_release_write(&x) == 14); -# else - MISSING(AO_fetch_and_sub1); - --x; -# endif -# if defined(AO_HAVE_short_store_release_write) - AO_short_store_release_write(&s, 13); -# else - MISSING(AO_short_store); - s = 13; -# endif -# if defined(AO_HAVE_short_load_release_write) - TA_assert(AO_short_load(&s) == 13); -# else - MISSING(AO_short_load); -# endif -# if defined(AO_HAVE_short_fetch_and_add_release_write) - TA_assert(AO_short_fetch_and_add_release_write(&s, 42) == 13); - TA_assert(AO_short_fetch_and_add_release_write(&s, -42) == 55); -# else - MISSING(AO_short_fetch_and_add); -# endif -# if defined(AO_HAVE_short_fetch_and_add1_release_write) - TA_assert(AO_short_fetch_and_add1_release_write(&s) == 13); -# else - MISSING(AO_short_fetch_and_add1); - ++s; -# endif -# if defined(AO_HAVE_short_fetch_and_sub1_release_write) - TA_assert(AO_short_fetch_and_sub1_release_write(&s) == 14); -# else - MISSING(AO_short_fetch_and_sub1); - --s; -# endif -# if defined(AO_HAVE_char_store_release_write) - AO_char_store_release_write(&b, 13); -# else - MISSING(AO_char_store); - b = 13; -# endif -# if defined(AO_HAVE_char_load_release_write) - TA_assert(AO_char_load(&b) == 13); -# else - MISSING(AO_char_load); -# endif -# if defined(AO_HAVE_char_fetch_and_add_release_write) - TA_assert(AO_char_fetch_and_add_release_write(&b, 42) == 13); - TA_assert(AO_char_fetch_and_add_release_write(&b, -42) == 55); -# else - MISSING(AO_char_fetch_and_add); -# endif -# if defined(AO_HAVE_char_fetch_and_add1_release_write) - TA_assert(AO_char_fetch_and_add1_release_write(&b) == 13); -# else - MISSING(AO_char_fetch_and_add1); - ++b; -# endif -# if defined(AO_HAVE_char_fetch_and_sub1_release_write) - TA_assert(AO_char_fetch_and_sub1_release_write(&b) == 14); -# else - MISSING(AO_char_fetch_and_sub1); - --b; -# endif -# if defined(AO_HAVE_int_store_release_write) - AO_int_store_release_write(&zz, 13); -# else - MISSING(AO_int_store); - zz = 13; -# endif -# if defined(AO_HAVE_int_load_release_write) - TA_assert(AO_int_load(&zz) == 13); -# else - MISSING(AO_int_load); -# endif -# if defined(AO_HAVE_int_fetch_and_add_release_write) - TA_assert(AO_int_fetch_and_add_release_write(&zz, 42) == 13); - TA_assert(AO_int_fetch_and_add_release_write(&zz, -42) == 55); -# else - MISSING(AO_int_fetch_and_add); -# endif -# if defined(AO_HAVE_int_fetch_and_add1_release_write) - TA_assert(AO_int_fetch_and_add1_release_write(&zz) == 13); -# else - MISSING(AO_int_fetch_and_add1); - ++zz; -# endif -# if defined(AO_HAVE_int_fetch_and_sub1_release_write) - TA_assert(AO_int_fetch_and_sub1_release_write(&zz) == 14); -# else - MISSING(AO_int_fetch_and_sub1); - --zz; -# endif -# if defined(AO_HAVE_compare_and_swap_release_write) - TA_assert(!AO_compare_and_swap_release_write(&x, 14, 42)); - TA_assert(x == 13); - TA_assert(AO_compare_and_swap_release_write(&x, 13, 42)); - TA_assert(x == 42); -# else - MISSING(AO_compare_and_swap); -# endif -# if defined(AO_HAVE_or_release_write) - AO_or_release_write(&x, 66); - TA_assert(x == 106); -# else - MISSING(AO_or); - x |= 34; -# endif -# if defined(AO_HAVE_compare_double_and_swap_double_release_write) - TA_assert(!AO_compare_double_and_swap_double_release_write(&w, 17, 42, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_double_and_swap_double_release_write(&w, 0, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_double_and_swap_double_release_write(&w, 12, 13, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); - w.AO_val1 = 0; w.AO_val2 = 0; -# else - MISSING(AO_compare_double_and_swap_double); -# endif -# if defined(AO_HAVE_compare_and_swap_double_release_write) - TA_assert(!AO_compare_and_swap_double_release_write(&w, 17, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_and_swap_double_release_write(&w, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_and_swap_double_release_write(&w, 12, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); -# else - MISSING(AO_compare_and_swap_double); -# endif -} - - - -/* - * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. - * - * This file is covered by the GNU general public license, version 2. - * see doc/COPYING for details. - */ - -/* Some basic sanity tests. These do not test the barrier semantics. */ - -#undef TA_assert -#define TA_assert(e) \ - if (!(e)) { fprintf(stderr, "Assertion failed %s:%d (barrier: _acquire_read)\n", \ - __FILE__, __LINE__), exit(1); } - -#undef MISSING -#define MISSING(name) \ - fprintf(stderr, "Missing: %s\n", #name "_acquire_read") - -void test_atomic_acquire_read(void) -{ - AO_t x; - unsigned char b; - unsigned short s; - unsigned int zz; -# if defined(AO_HAVE_test_and_set_acquire_read) - AO_TS_t z = AO_TS_INITIALIZER; -# endif -# if defined(AO_HAVE_double_t) - AO_double_t w; - w.AO_val1 = 0; - w.AO_val2 = 0; -# endif - -# if defined(AO_HAVE_nop_acquire_read) - AO_nop_acquire_read(); -# else - MISSING(AO_nop); -# endif -# if defined(AO_HAVE_store_acquire_read) - AO_store_acquire_read(&x, 13); - TA_assert (x == 13); -# else - MISSING(AO_store); - x = 13; -# endif -# if defined(AO_HAVE_load_acquire_read) - TA_assert(AO_load_acquire_read(&x) == 13); -# else - MISSING(AO_load); -# endif -# if defined(AO_HAVE_test_and_set_acquire_read) - assert(AO_test_and_set_acquire_read(&z) == AO_TS_CLEAR); - assert(AO_test_and_set_acquire_read(&z) == AO_TS_SET); - assert(AO_test_and_set_acquire_read(&z) == AO_TS_SET); - AO_CLEAR(&z); -# else - MISSING(AO_test_and_set); -# endif -# if defined(AO_HAVE_fetch_and_add_acquire_read) - TA_assert(AO_fetch_and_add_acquire_read(&x, 42) == 13); - TA_assert(AO_fetch_and_add_acquire_read(&x, -42) == 55); -# else - MISSING(AO_fetch_and_add); -# endif -# if defined(AO_HAVE_fetch_and_add1_acquire_read) - TA_assert(AO_fetch_and_add1_acquire_read(&x) == 13); -# else - MISSING(AO_fetch_and_add1); - ++x; -# endif -# if defined(AO_HAVE_fetch_and_sub1_acquire_read) - TA_assert(AO_fetch_and_sub1_acquire_read(&x) == 14); -# else - MISSING(AO_fetch_and_sub1); - --x; -# endif -# if defined(AO_HAVE_short_store_acquire_read) - AO_short_store_acquire_read(&s, 13); -# else - MISSING(AO_short_store); - s = 13; -# endif -# if defined(AO_HAVE_short_load_acquire_read) - TA_assert(AO_short_load(&s) == 13); -# else - MISSING(AO_short_load); -# endif -# if defined(AO_HAVE_short_fetch_and_add_acquire_read) - TA_assert(AO_short_fetch_and_add_acquire_read(&s, 42) == 13); - TA_assert(AO_short_fetch_and_add_acquire_read(&s, -42) == 55); -# else - MISSING(AO_short_fetch_and_add); -# endif -# if defined(AO_HAVE_short_fetch_and_add1_acquire_read) - TA_assert(AO_short_fetch_and_add1_acquire_read(&s) == 13); -# else - MISSING(AO_short_fetch_and_add1); - ++s; -# endif -# if defined(AO_HAVE_short_fetch_and_sub1_acquire_read) - TA_assert(AO_short_fetch_and_sub1_acquire_read(&s) == 14); -# else - MISSING(AO_short_fetch_and_sub1); - --s; -# endif -# if defined(AO_HAVE_char_store_acquire_read) - AO_char_store_acquire_read(&b, 13); -# else - MISSING(AO_char_store); - b = 13; -# endif -# if defined(AO_HAVE_char_load_acquire_read) - TA_assert(AO_char_load(&b) == 13); -# else - MISSING(AO_char_load); -# endif -# if defined(AO_HAVE_char_fetch_and_add_acquire_read) - TA_assert(AO_char_fetch_and_add_acquire_read(&b, 42) == 13); - TA_assert(AO_char_fetch_and_add_acquire_read(&b, -42) == 55); -# else - MISSING(AO_char_fetch_and_add); -# endif -# if defined(AO_HAVE_char_fetch_and_add1_acquire_read) - TA_assert(AO_char_fetch_and_add1_acquire_read(&b) == 13); -# else - MISSING(AO_char_fetch_and_add1); - ++b; -# endif -# if defined(AO_HAVE_char_fetch_and_sub1_acquire_read) - TA_assert(AO_char_fetch_and_sub1_acquire_read(&b) == 14); -# else - MISSING(AO_char_fetch_and_sub1); - --b; -# endif -# if defined(AO_HAVE_int_store_acquire_read) - AO_int_store_acquire_read(&zz, 13); -# else - MISSING(AO_int_store); - zz = 13; -# endif -# if defined(AO_HAVE_int_load_acquire_read) - TA_assert(AO_int_load(&zz) == 13); -# else - MISSING(AO_int_load); -# endif -# if defined(AO_HAVE_int_fetch_and_add_acquire_read) - TA_assert(AO_int_fetch_and_add_acquire_read(&zz, 42) == 13); - TA_assert(AO_int_fetch_and_add_acquire_read(&zz, -42) == 55); -# else - MISSING(AO_int_fetch_and_add); -# endif -# if defined(AO_HAVE_int_fetch_and_add1_acquire_read) - TA_assert(AO_int_fetch_and_add1_acquire_read(&zz) == 13); -# else - MISSING(AO_int_fetch_and_add1); - ++zz; -# endif -# if defined(AO_HAVE_int_fetch_and_sub1_acquire_read) - TA_assert(AO_int_fetch_and_sub1_acquire_read(&zz) == 14); -# else - MISSING(AO_int_fetch_and_sub1); - --zz; -# endif -# if defined(AO_HAVE_compare_and_swap_acquire_read) - TA_assert(!AO_compare_and_swap_acquire_read(&x, 14, 42)); - TA_assert(x == 13); - TA_assert(AO_compare_and_swap_acquire_read(&x, 13, 42)); - TA_assert(x == 42); -# else - MISSING(AO_compare_and_swap); -# endif -# if defined(AO_HAVE_or_acquire_read) - AO_or_acquire_read(&x, 66); - TA_assert(x == 106); -# else - MISSING(AO_or); - x |= 34; -# endif -# if defined(AO_HAVE_compare_double_and_swap_double_acquire_read) - TA_assert(!AO_compare_double_and_swap_double_acquire_read(&w, 17, 42, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_double_and_swap_double_acquire_read(&w, 0, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_double_and_swap_double_acquire_read(&w, 12, 13, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); - w.AO_val1 = 0; w.AO_val2 = 0; -# else - MISSING(AO_compare_double_and_swap_double); -# endif -# if defined(AO_HAVE_compare_and_swap_double_acquire_read) - TA_assert(!AO_compare_and_swap_double_acquire_read(&w, 17, 12, 13)); - TA_assert(w.AO_val1 == 0 && w.AO_val2 == 0); - TA_assert(AO_compare_and_swap_double_acquire_read(&w, 0, 12, 13)); - TA_assert(w.AO_val1 == 12 && w.AO_val2 == 13); - TA_assert(AO_compare_and_swap_double_acquire_read(&w, 12, 17, 42)); - TA_assert(w.AO_val1 == 17 && w.AO_val2 == 42); -# else - MISSING(AO_compare_and_swap_double); -# endif -} - - - diff --git a/vendor/gc/libatomic_ops-1.2/tests/test_malloc.c b/vendor/gc/libatomic_ops-1.2/tests/test_malloc.c deleted file mode 100644 index 4026e62..0000000 --- a/vendor/gc/libatomic_ops-1.2/tests/test_malloc.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Copyright (c) 2005 Hewlett-Packard Development Company, L.P. - * Original Author: Hans Boehm - * - * This file may be redistributed and/or modified under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2, or (at your option) any later version. - * - * It is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License in the - * file doc/COPYING for more details. - */ - -#if defined(HAVE_CONFIG_H) -# include "config.h" -#endif - -#include "run_parallel.inc" - -#include -#include -#include "atomic_ops_malloc.h" -#define MAX_NTHREADS 100 -#define N_REVERSALS 1000 /* must be even */ -#define LENGTH 1000 - -#ifdef USE_STANDARD_MALLOC -# define AO_malloc(n) malloc(n) -# define AO_free(p) free(p) -# define AO_malloc_enable_mmap() -#endif - -typedef struct list_node { - struct list_node *next; - int data; -} ln; - -ln *cons(int d, ln *tail) -{ - static size_t extra = 0; - size_t my_extra = extra; - ln *result; - int * extras; - int i; - - if (my_extra > 100) - extra = my_extra = 0; - else - ++extra; - result = AO_malloc(sizeof(ln) + sizeof(int)*my_extra); - if (result == 0) - { - fprintf(stderr, "Out of memory\n"); - /* Normal for more than about 10 threads without mmap? */ - abort(); - } - - result -> data = d; - result -> next = tail; - extras = (int *)(result+1); - for (i = 0; i < my_extra; ++i) extras[i] = 42; - return result; -} - -void print_list(ln *l) -{ - ln *p; - - for (p = l; p != 0; p = p -> next) - { - fprintf(stderr, "%d, ", p -> data); - } - fprintf(stderr, "\n"); -} - -/* Check that l contains numbers from m to n inclusive in ascending order */ -void check_list(ln *l, int m, int n) -{ - ln *p; - int i; - - for (p = l, i = m; p != 0; p = p -> next, ++i) - { - if (i != p -> data) - { - fprintf(stderr, "Found %d, expected %d\n", p -> data, i); - abort(); - } - } -} - -/* Create a list of integers from m to n */ -ln * -make_list(int m, int n) -{ - if (m > n) return 0; - return cons(m, make_list(m+1, n)); -} - -/* Reverse list x, and concatenate it to y, deallocating no longer needed */ -/* nodes in x. */ -ln * -reverse(ln *x, ln *y) -{ - ln * result; - - if (x == 0) return y; - result = reverse(x -> next, cons(x -> data, y)); - AO_free(x); - return result; -} - -int dummy_test(void) { return 1; } - -#define LARGE 200000 - -void * run_one_test(void * arg) { - ln * x = make_list(1, LENGTH); - int i; - char *p = AO_malloc(LARGE); - char *q; - - if (0 == p) { - fprintf(stderr, "AO_malloc(%d) failed: This is normal without mmap\n", - LARGE); - AO_free(p); - } else { - p[0] = p[LARGE/2] = p[LARGE-1] = 'a'; - q = AO_malloc(LARGE); - q[0] = q[LARGE/2] = q[LARGE-1] = 'b'; - if (p[0] != 'a' || p[LARGE/2] != 'a' || p[LARGE-1] != 'a') { - fprintf(stderr, "First large allocation smashed\n"); - abort(); - } - AO_free(p); - if (q[0] != 'b' || q[LARGE/2] != 'b' || q[LARGE-1] != 'b') { - fprintf(stderr, "Second large allocation smashed\n"); - abort(); - } - AO_free(q); - } -# if 0 /* enable for debugging */ - x = reverse(x, 0); - print_list(x); - x = reverse(x, 0); - print_list(x); -# endif - for (i = 0; i < N_REVERSALS; ++i) { - x = reverse(x, 0); - } - check_list(x, 1, LENGTH); - return 0; -} - -int main(int argc, char **argv) { - int nthreads; - int exper_n; - - if (1 == argc) { -# if !defined(HAVE_MMAP) - nthreads = 3; -# else - nthreads = 10; -# endif - } else if (2 == argc) { - nthreads = atoi(argv[1]); - if (nthreads < 1 || nthreads > MAX_NTHREADS) { - fprintf(stderr, "Invalid # of threads argument\n"); - exit(1); - } - } else { - fprintf(stderr, "Usage: %s [# of threads]\n", argv[0]); - exit(1); - } - printf("Performing %d reversals of %d element lists in %d threads\n", - N_REVERSALS, LENGTH, nthreads); - AO_malloc_enable_mmap(); - run_parallel(nthreads, run_one_test, dummy_test, "AO_malloc/AO_free"); - return 0; -} - diff --git a/vendor/gc/libatomic_ops-1.2/tests/test_stack.c b/vendor/gc/libatomic_ops-1.2/tests/test_stack.c deleted file mode 100644 index 8a8ba50..0000000 --- a/vendor/gc/libatomic_ops-1.2/tests/test_stack.c +++ /dev/null @@ -1,232 +0,0 @@ -/* - * Copyright (c) 2005 Hewlett-Packard Development Company, L.P. - * Original Author: Hans Boehm - * - * This file may be redistributed and/or modified under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2, or (at your option) any later version. - * - * It is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License in the - * file doc/COPYING for more details. - */ - -#if defined(HAVE_CONFIG_H) -# include "config.h" -#endif - -#include -#include -#include -#include "atomic_ops.h" -#include "atomic_ops_stack.h" -#define MAX_NTHREADS 100 - -#ifndef NO_TIMES -#include -#include -/* Need 64-bit long long support */ -long long -get_msecs(void) -{ - struct timeval tv; - - gettimeofday(&tv, 0); - return (long long)tv.tv_sec * 1000 + tv.tv_usec/1000; -} -#else -# define get_msecs() 0 -#endif - -typedef struct le { - AO_t next; - int data; -} list_element; - -AO_stack_t the_list = AO_STACK_INITIALIZER; - -void add_elements(int n) -{ - list_element * le; - if (n == 0) return; - add_elements(n-1); - le = malloc(sizeof(list_element)); - le -> data = n; - AO_stack_push(&the_list, (AO_t *)le); -} - -void print_list() -{ - list_element *p; - - for (p = (list_element *)AO_REAL_HEAD_PTR(the_list); - p != 0; - p = (list_element *)AO_REAL_NEXT_PTR(p -> next)) - printf("%d\n", p -> data); -} - -static char marks[MAX_NTHREADS * MAX_NTHREADS]; - -void check_list(int n) -{ - list_element *p; - int i; - - for (i = 1; i <= n; ++i) marks[i] = 0; - for (p = (list_element *)AO_REAL_HEAD_PTR(the_list); - p != 0; - p = (list_element *)AO_REAL_NEXT_PTR(p -> next)) - { - if (p -> data > n || p -> data <= 0) - fprintf(stderr, "Found erroneous list element %d\n", p -> data); - if (marks[p -> data] != 0) - fprintf(stderr, "Found duplicate list element %d\n", p -> data); - marks[p -> data] = 1; - } - for (i = 1; i <= n; ++i) - if (marks[i] != 1) - fprintf(stderr, "Missing list element %d\n", i); -} - -volatile AO_t ops_performed = 0; - -#define LIMIT 1000000 - /* Total number of push/pop ops in all threads per test. */ - -#ifdef AO_HAVE_fetch_and_add -# define fetch_and_add(addr, val) AO_fetch_and_add(addr, val) -#else - /* Fake it. This is really quite unacceptable for timing */ - /* purposes. But as a correctness test, it should be OK. */ - AO_INLINE AO_t fetch_and_add(volatile AO_t * addr, AO_t val) - { - AO_t result = AO_load(addr); - AO_store(addr, result + val); - return result; - } -#endif - -void * run_one_test(void * arg) -{ - list_element * t[MAX_NTHREADS + 1]; - list_element * aux; - long index = (long)arg; - int i; - int j = 0; - -# ifdef VERBOSE - printf("starting thread %d\n", index); -# endif - while (fetch_and_add(&ops_performed, index + 1) + index + 1 < LIMIT) - { - for (i = 0; i < index + 1; ++i) - { - t[i] = (list_element *)AO_stack_pop(&the_list); - if (0 == t[i]) - { - fprintf(stderr, "FAILED\n"); - abort(); - } - } - for (i = 0; i < index + 1; ++i) - { - AO_stack_push(&the_list, (AO_t *)t[i]); - } - j += (index + 1); - } -# ifdef VERBOSE - printf("finished thread %d: %d total ops\n", index, j); -# endif - return 0; -} - -#define N_EXPERIMENTS 1 - -unsigned long times[MAX_NTHREADS + 1][N_EXPERIMENTS]; - -int main(int argc, char **argv) -{ - int nthreads; - int max_nthreads; - int exper_n; - - if (1 == argc) - max_nthreads = 4; - else if (2 == argc) - { - max_nthreads = atoi(argv[1]); - if (max_nthreads < 1 || max_nthreads > MAX_NTHREADS) - { - fprintf(stderr, "Invalid max # of threads argument\n"); - exit(1); - } - } - else - { - fprintf(stderr, "Usage: %s [max # of threads]\n", argv[0]); - exit(1); - } - for (exper_n = 0; exper_n < N_EXPERIMENTS; ++ exper_n) - for (nthreads = 1; nthreads <= max_nthreads; ++nthreads) - { - int i; - pthread_t thread[MAX_NTHREADS]; - int list_length = nthreads*(nthreads+1)/2; - long long start_time; - - add_elements(list_length); - # ifdef VERBOSE - printf("Initial list (nthreads = %d):\n", nthreads); - print_list(); - # endif - ops_performed = 0; - start_time = get_msecs(); - for (i = 1; i < nthreads; ++i) { - int code; - - if ((code = pthread_create(thread+i, 0, run_one_test, - (void *)(long)i)) != 0) { - fprintf(stderr, "Thread creation failed %u\n", code); - exit(1); - } - } - /* We use the main thread to run one test. This allows gprof */ - /* profiling to work, for example. */ - run_one_test(0); - for (i = 1; i < nthreads; ++i) { - int code; - if ((code = pthread_join(thread[i], 0)) != 0) { - fprintf(stderr, "Thread join failed %u\n", code); - } - } - times[nthreads][exper_n] = (unsigned long)(get_msecs() - start_time); - # ifdef VERBOSE - printf("%d %lu\n", nthreads, - (unsigned long)(get_msecs() - start_time)); - printf("final list (should be reordered initial list):\n"); - print_list(); - # endif - check_list(list_length); - while ((list_element *)AO_stack_pop(&the_list)); - } -# ifndef NO_TIMES - for (nthreads = 1; nthreads <= max_nthreads; ++nthreads) - { - unsigned long sum = 0; - - printf("About %d pushes + %d pops in %d threads:", - LIMIT, LIMIT, nthreads); - for (exper_n = 0; exper_n < N_EXPERIMENTS; ++exper_n) - { -# if defined(VERBOSE) - printf("[%lu] ", times[nthreads][exper_n]); -# endif - sum += times[nthreads][exper_n]; - } - printf(" %lu msecs\n", (sum + N_EXPERIMENTS/2)/N_EXPERIMENTS); - } -# endif /* NO_TIMES */ - return 0; -} - diff --git a/vendor/gc/libtool.m4 b/vendor/gc/libtool.m4 deleted file mode 100644 index 0f53cb5..0000000 --- a/vendor/gc/libtool.m4 +++ /dev/null @@ -1,6397 +0,0 @@ -# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- -## Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005 -## Free Software Foundation, Inc. -## Originally by Gordon Matzigkeit , 1996 -## -## This file is free software; the Free Software Foundation gives -## unlimited permission to copy and/or distribute it, with or without -## modifications, as long as this notice is preserved. - -# serial 48 AC_PROG_LIBTOOL - - -# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED) -# ----------------------------------------------------------- -# If this macro is not defined by Autoconf, define it here. -m4_ifdef([AC_PROVIDE_IFELSE], - [], - [m4_define([AC_PROVIDE_IFELSE], - [m4_ifdef([AC_PROVIDE_$1], - [$2], [$3])])]) - - -# AC_PROG_LIBTOOL -# --------------- -AC_DEFUN([AC_PROG_LIBTOOL], -[AC_REQUIRE([_AC_PROG_LIBTOOL])dnl -dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX -dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX. - AC_PROVIDE_IFELSE([AC_PROG_CXX], - [AC_LIBTOOL_CXX], - [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX - ])]) -dnl And a similar setup for Fortran 77 support - AC_PROVIDE_IFELSE([AC_PROG_F77], - [AC_LIBTOOL_F77], - [define([AC_PROG_F77], defn([AC_PROG_F77])[AC_LIBTOOL_F77 -])]) - -dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly. -dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run -dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both. - AC_PROVIDE_IFELSE([AC_PROG_GCJ], - [AC_LIBTOOL_GCJ], - [AC_PROVIDE_IFELSE([A][M_PROG_GCJ], - [AC_LIBTOOL_GCJ], - [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ], - [AC_LIBTOOL_GCJ], - [ifdef([AC_PROG_GCJ], - [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ])]) - ifdef([A][M_PROG_GCJ], - [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ])]) - ifdef([LT_AC_PROG_GCJ], - [define([LT_AC_PROG_GCJ], - defn([LT_AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])])]) -])])# AC_PROG_LIBTOOL - - -# _AC_PROG_LIBTOOL -# ---------------- -AC_DEFUN([_AC_PROG_LIBTOOL], -[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl -AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl -AC_BEFORE([$0],[AC_LIBTOOL_F77])dnl -AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl - -# This can be used to rebuild libtool when needed -LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh" - -# Always use our own libtool. -LIBTOOL='$(SHELL) $(top_builddir)/libtool' -AC_SUBST(LIBTOOL)dnl - -# Prevent multiple expansion -define([AC_PROG_LIBTOOL], []) -])# _AC_PROG_LIBTOOL - - -# AC_LIBTOOL_SETUP -# ---------------- -AC_DEFUN([AC_LIBTOOL_SETUP], -[AC_PREREQ(2.50)dnl -AC_REQUIRE([AC_ENABLE_SHARED])dnl -AC_REQUIRE([AC_ENABLE_STATIC])dnl -AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl -AC_REQUIRE([AC_CANONICAL_HOST])dnl -AC_REQUIRE([AC_CANONICAL_BUILD])dnl -AC_REQUIRE([AC_PROG_CC])dnl -AC_REQUIRE([AC_PROG_LD])dnl -AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl -AC_REQUIRE([AC_PROG_NM])dnl - -AC_REQUIRE([AC_PROG_LN_S])dnl -AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl -# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers! -AC_REQUIRE([AC_OBJEXT])dnl -AC_REQUIRE([AC_EXEEXT])dnl -dnl - -AC_LIBTOOL_SYS_MAX_CMD_LEN -AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE -AC_LIBTOOL_OBJDIR - -AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl -_LT_AC_PROG_ECHO_BACKSLASH - -case $host_os in -aix3*) - # AIX sometimes has problems with the GCC collect2 program. 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Use -the \`--dry-run' option if you just want to see what would be executed." - ;; - -install) - $echo \ -"Usage: $modename [OPTION]... --mode=install INSTALL-COMMAND... - -Install executables or libraries. - -INSTALL-COMMAND is the installation command. 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Files ending in \`.la' are -treated as uninstalled libtool libraries, other files are standard or library -object files. - -If the OUTPUT-FILE ends in \`.la', then a libtool library is created, -only library objects (\`.lo' files) may be specified, and \`-rpath' is -required, except when creating a convenience library. - -If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created -using \`ar' and \`ranlib', or on Windows using \`lib'. - -If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file -is created, otherwise an executable program is created." - ;; - -uninstall) - $echo \ -"Usage: $modename [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... - -Remove libraries from an installation directory. - -RM is the name of the program to use to delete files associated with each FILE -(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed -to RM. - -If FILE is a libtool library, all the files associated with it are deleted. -Otherwise, only FILE itself is deleted using RM." - ;; - -*) - $echo "$modename: invalid operation mode \`$mode'" 1>&2 - $echo "$help" 1>&2 - exit $EXIT_FAILURE - ;; -esac - -$echo -$echo "Try \`$modename --help' for more information about other modes." - -exit $? - -# The TAGs below are defined such that we never get into a situation -# in which we disable both kinds of libraries. Given conflicting -# choices, we go for a static library, that is the most portable, -# since we can't tell whether shared libraries were disabled because -# the user asked for that or because the platform doesn't support -# them. This is particularly important on AIX, because we don't -# support having both static and shared libraries enabled at the same -# time on that platform, so we default to a shared-only configuration. -# If a disable-shared tag is given, we'll fallback to a static-only -# configuration. But we'll never go from static-only to shared-only. - -# ### BEGIN LIBTOOL TAG CONFIG: disable-shared -disable_libs=shared -# ### END LIBTOOL TAG CONFIG: disable-shared - -# ### BEGIN LIBTOOL TAG CONFIG: disable-static -disable_libs=static -# ### END LIBTOOL TAG CONFIG: disable-static - -# Local Variables: -# mode:shell-script -# sh-indentation:2 -# End: diff --git a/vendor/gc/mach_dep.c b/vendor/gc/mach_dep.c deleted file mode 100644 index af756ad..0000000 --- a/vendor/gc/mach_dep.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, November 17, 1995 12:13 pm PST */ -# include "private/gc_priv.h" -# include -# include -# if defined(OS2) || defined(CX_UX) -# define _setjmp(b) setjmp(b) -# define _longjmp(b,v) longjmp(b,v) -# endif -# ifdef AMIGA -# ifndef __GNUC__ -# include -# else -# include -# endif -# endif - -#if defined(__MWERKS__) && !defined(POWERPC) - -asm static void PushMacRegisters() -{ - sub.w #4,sp // reserve space for one parameter. - move.l a2,(sp) - jsr GC_push_one - move.l a3,(sp) - jsr GC_push_one - move.l a4,(sp) - jsr GC_push_one -# if !__option(a6frames) - // perhaps a6 should be pushed if stack frames are not being used. - move.l a6,(sp) - jsr GC_push_one -# endif - // skip a5 (globals), a6 (frame pointer), and a7 (stack pointer) - move.l d2,(sp) - jsr GC_push_one - move.l d3,(sp) - jsr GC_push_one - move.l d4,(sp) - jsr GC_push_one - move.l d5,(sp) - jsr GC_push_one - move.l d6,(sp) - jsr GC_push_one - move.l d7,(sp) - jsr GC_push_one - add.w #4,sp // fix stack. - rts -} - -#endif /* __MWERKS__ */ - -# if defined(SPARC) || defined(IA64) - /* Value returned from register flushing routine; either sp (SPARC) */ - /* or ar.bsp (IA64) */ - ptr_t GC_save_regs_ret_val; -# endif - -/* Routine to mark from registers that are preserved by the C compiler. */ -/* This must be ported to every new architecture. It is noe optional, */ -/* and should not be used on platforms that are either UNIX-like, or */ -/* require thread support. */ - -#undef HAVE_PUSH_REGS - -#if defined(USE_ASM_PUSH_REGS) -# define HAVE_PUSH_REGS -#else /* No asm implementation */ -void GC_push_regs() -{ -# if defined(M68K) && defined(AMIGA) - /* AMIGA - could be replaced by generic code */ - /* a0, a1, d0 and d1 are caller save */ - -# ifdef __GNUC__ - asm("subq.w &0x4,%sp"); /* allocate word on top of stack */ - - asm("mov.l %a2,(%sp)"); asm("jsr _GC_push_one"); - asm("mov.l %a3,(%sp)"); asm("jsr _GC_push_one"); - asm("mov.l %a4,(%sp)"); asm("jsr _GC_push_one"); - asm("mov.l %a5,(%sp)"); asm("jsr _GC_push_one"); - asm("mov.l %a6,(%sp)"); asm("jsr _GC_push_one"); - /* Skip frame pointer and stack pointer */ - asm("mov.l %d2,(%sp)"); asm("jsr _GC_push_one"); - asm("mov.l %d3,(%sp)"); asm("jsr _GC_push_one"); - asm("mov.l %d4,(%sp)"); asm("jsr _GC_push_one"); - asm("mov.l %d5,(%sp)"); asm("jsr _GC_push_one"); - asm("mov.l %d6,(%sp)"); asm("jsr _GC_push_one"); - asm("mov.l %d7,(%sp)"); asm("jsr _GC_push_one"); - - asm("addq.w &0x4,%sp"); /* put stack back where it was */ -# define HAVE_PUSH_REGS -# else /* !__GNUC__ */ - GC_push_one(getreg(REG_A2)); - GC_push_one(getreg(REG_A3)); -# ifndef __SASC - /* Can probably be changed to #if 0 -Kjetil M. (a4=globals)*/ - GC_push_one(getreg(REG_A4)); -# endif - GC_push_one(getreg(REG_A5)); - GC_push_one(getreg(REG_A6)); - /* Skip stack pointer */ - GC_push_one(getreg(REG_D2)); - GC_push_one(getreg(REG_D3)); - GC_push_one(getreg(REG_D4)); - GC_push_one(getreg(REG_D5)); - GC_push_one(getreg(REG_D6)); - GC_push_one(getreg(REG_D7)); -# define HAVE_PUSH_REGS -# endif /* !__GNUC__ */ -# endif /* AMIGA */ - -# if defined(M68K) && defined(MACOS) -# if defined(THINK_C) -# define PushMacReg(reg) \ - move.l reg,(sp) \ - jsr GC_push_one - asm { - sub.w #4,sp ; reserve space for one parameter. - PushMacReg(a2); - PushMacReg(a3); - PushMacReg(a4); - ; skip a5 (globals), a6 (frame pointer), and a7 (stack pointer) - PushMacReg(d2); - PushMacReg(d3); - PushMacReg(d4); - PushMacReg(d5); - PushMacReg(d6); - PushMacReg(d7); - add.w #4,sp ; fix stack. - } -# define HAVE_PUSH_REGS -# undef PushMacReg -# endif /* THINK_C */ -# if defined(__MWERKS__) - PushMacRegisters(); -# define HAVE_PUSH_REGS -# endif /* __MWERKS__ */ -# endif /* MACOS */ -} -#endif /* !USE_ASM_PUSH_REGS */ - -#if defined(HAVE_PUSH_REGS) && defined(THREADS) -# error GC_push_regs cannot be used with threads - /* Would fail for GC_do_blocking. There are probably other safety */ - /* issues. */ -# undef HAVE_PUSH_REGS -#endif - -#if !defined(HAVE_PUSH_REGS) && defined(UNIX_LIKE) -# include -#endif - -/* Ensure that either registers are pushed, or callee-save registers */ -/* are somewhere on the stack, and then call fn(arg, ctxt). */ -/* ctxt is either a pointer to a ucontext_t we generated, or NULL. */ -void GC_with_callee_saves_pushed(void (*fn)(ptr_t, void *), - ptr_t arg) -{ - word dummy; - void * context = 0; - -# if defined(HAVE_PUSH_REGS) - GC_push_regs(); -# elif defined(UNIX_LIKE) && !defined(DARWIN) && !defined(ARM32) && \ - !defined(HURD) - /* Older versions of Darwin seem to lack getcontext(). */ - /* ARM Linux often doesn't support a real getcontext(). */ - ucontext_t ctxt; - if (getcontext(&ctxt) < 0) - ABORT ("Getcontext failed: Use another register retrieval method?"); - context = &ctxt; -# if defined(SPARC) || defined(IA64) - /* On a register window machine, we need to save register */ - /* contents on the stack for this to work. This may already be */ - /* subsumed by the getcontext() call. */ - { - GC_save_regs_ret_val = GC_save_regs_in_stack(); - } -# endif /* register windows. */ -# elif defined(HAVE_BUILTIN_UNWIND_INIT) - /* This was suggested by Richard Henderson as the way to */ - /* force callee-save registers and register windows onto */ - /* the stack. */ - __builtin_unwind_init(); -# else /* !HAVE_BUILTIN_UNWIND_INIT && !UNIX_LIKE */ - /* && !HAVE_PUSH_REGS */ - /* Generic code */ - /* The idea is due to Parag Patel at HP. */ - /* We're not sure whether he would like */ - /* to be he acknowledged for it or not. */ - jmp_buf regs; - register word * i = (word *) regs; - register ptr_t lim = (ptr_t)(regs) + (sizeof regs); - - /* Setjmp doesn't always clear all of the buffer. */ - /* That tends to preserve garbage. Clear it. */ - for (; (char *)i < lim; i++) { - *i = 0; - } -# if defined(MSWIN32) || defined(MSWINCE) \ - || defined(UTS4) || defined(LINUX) || defined(EWS4800) - (void) setjmp(regs); -# else - (void) _setjmp(regs); - /* We don't want to mess with signals. According to */ - /* SUSV3, setjmp() may or may not save signal mask. */ - /* _setjmp won't, but is less portable. */ -# endif -# endif /* !HAVE_PUSH_REGS ... */ - /* FIXME: context here is sometimes just zero. At the moment the callees */ - /* don't really need it. */ - fn(arg, context); - /* Strongly discourage the compiler from treating the above */ - /* as a tail-call, since that would pop the register */ - /* contents before we get a chance to look at them. */ - GC_noop1((word)(&dummy)); -} - -void GC_push_regs_and_stack(ptr_t cold_gc_frame) -{ - GC_with_callee_saves_pushed(GC_push_current_stack, cold_gc_frame); -} - -#if defined(ASM_CLEAR_CODE) -# ifdef LINT - /*ARGSUSED*/ - ptr_t GC_clear_stack_inner(arg, limit) - ptr_t arg; word limit; - { return(arg); } - /* The real version is in a .S file */ -# endif -#endif /* ASM_CLEAR_CODE */ diff --git a/vendor/gc/malloc.c b/vendor/gc/malloc.c deleted file mode 100644 index 270d0f1..0000000 --- a/vendor/gc/malloc.c +++ /dev/null @@ -1,520 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -#include -#include -#include -#include "private/gc_priv.h" - -extern void * GC_clear_stack(void *); /* in misc.c, behaves like identity */ -void GC_extend_size_map(size_t); /* in misc.c. */ - -/* Allocate reclaim list for kind: */ -/* Return TRUE on success */ -GC_bool GC_alloc_reclaim_list(struct obj_kind *kind) -{ - struct hblk ** result = (struct hblk **) - GC_scratch_alloc((MAXOBJGRANULES+1) * sizeof(struct hblk *)); - if (result == 0) return(FALSE); - BZERO(result, (MAXOBJGRANULES+1)*sizeof(struct hblk *)); - kind -> ok_reclaim_list = result; - return(TRUE); -} - -/* Allocate a large block of size lb bytes. */ -/* The block is not cleared. */ -/* Flags is 0 or IGNORE_OFF_PAGE. */ -/* We hold the allocation lock. */ -/* EXTRA_BYTES were already added to lb. */ -ptr_t GC_alloc_large(size_t lb, int k, unsigned flags) -{ - struct hblk * h; - word n_blocks; - ptr_t result; - - /* Round up to a multiple of a granule. */ - lb = (lb + GRANULE_BYTES - 1) & ~(GRANULE_BYTES - 1); - n_blocks = OBJ_SZ_TO_BLOCKS(lb); - if (!GC_is_initialized) GC_init_inner(); - /* Do our share of marking work */ - if(GC_incremental && !GC_dont_gc) - GC_collect_a_little_inner((int)n_blocks); - h = GC_allochblk(lb, k, flags); -# ifdef USE_MUNMAP - if (0 == h) { - GC_merge_unmapped(); - h = GC_allochblk(lb, k, flags); - } -# endif - while (0 == h && GC_collect_or_expand(n_blocks, (flags != 0))) { - h = GC_allochblk(lb, k, flags); - } - if (h == 0) { - result = 0; - } else { - size_t total_bytes = n_blocks * HBLKSIZE; - if (n_blocks > 1) { - GC_large_allocd_bytes += total_bytes; - if (GC_large_allocd_bytes > GC_max_large_allocd_bytes) - GC_max_large_allocd_bytes = GC_large_allocd_bytes; - } - result = h -> hb_body; - } - return result; -} - - -/* Allocate a large block of size lb bytes. Clear if appropriate. */ -/* We hold the allocation lock. */ -/* EXTRA_BYTES were already added to lb. */ -ptr_t GC_alloc_large_and_clear(size_t lb, int k, unsigned flags) -{ - ptr_t result = GC_alloc_large(lb, k, flags); - word n_blocks = OBJ_SZ_TO_BLOCKS(lb); - - if (0 == result) return 0; - if (GC_debugging_started || GC_obj_kinds[k].ok_init) { - /* Clear the whole block, in case of GC_realloc call. */ - BZERO(result, n_blocks * HBLKSIZE); - } - return result; -} - -/* allocate lb bytes for an object of kind k. */ -/* Should not be used to directly to allocate */ -/* objects such as STUBBORN objects that */ -/* require special handling on allocation. */ -/* First a version that assumes we already */ -/* hold lock: */ -void * GC_generic_malloc_inner(size_t lb, int k) -{ - void *op; - - if(SMALL_OBJ(lb)) { - struct obj_kind * kind = GC_obj_kinds + k; - size_t lg = GC_size_map[lb]; - void ** opp = &(kind -> ok_freelist[lg]); - - if( (op = *opp) == 0 ) { - if (GC_size_map[lb] == 0) { - if (!GC_is_initialized) GC_init_inner(); - if (GC_size_map[lb] == 0) GC_extend_size_map(lb); - return(GC_generic_malloc_inner(lb, k)); - } - if (kind -> ok_reclaim_list == 0) { - if (!GC_alloc_reclaim_list(kind)) goto out; - } - op = GC_allocobj(lg, k); - if (op == 0) goto out; - } - *opp = obj_link(op); - obj_link(op) = 0; - GC_bytes_allocd += GRANULES_TO_BYTES(lg); - } else { - op = (ptr_t)GC_alloc_large_and_clear(ADD_SLOP(lb), k, 0); - GC_bytes_allocd += lb; - } - -out: - return op; -} - -/* Allocate a composite object of size n bytes. The caller guarantees */ -/* that pointers past the first page are not relevant. Caller holds */ -/* allocation lock. */ -void * GC_generic_malloc_inner_ignore_off_page(size_t lb, int k) -{ - word lb_adjusted; - void * op; - - if (lb <= HBLKSIZE) - return(GC_generic_malloc_inner(lb, k)); - lb_adjusted = ADD_SLOP(lb); - op = GC_alloc_large_and_clear(lb_adjusted, k, IGNORE_OFF_PAGE); - GC_bytes_allocd += lb_adjusted; - return op; -} - -void * GC_generic_malloc(size_t lb, int k) -{ - void * result; - DCL_LOCK_STATE; - - if (GC_have_errors) GC_print_all_errors(); - GC_INVOKE_FINALIZERS(); - if (SMALL_OBJ(lb)) { - LOCK(); - result = GC_generic_malloc_inner((word)lb, k); - UNLOCK(); - } else { - size_t lw; - size_t lb_rounded; - word n_blocks; - GC_bool init; - lw = ROUNDED_UP_WORDS(lb); - lb_rounded = WORDS_TO_BYTES(lw); - n_blocks = OBJ_SZ_TO_BLOCKS(lb_rounded); - init = GC_obj_kinds[k].ok_init; - LOCK(); - result = (ptr_t)GC_alloc_large(lb_rounded, k, 0); - if (0 != result) { - if (GC_debugging_started) { - BZERO(result, n_blocks * HBLKSIZE); - } else { -# ifdef THREADS - /* Clear any memory that might be used for GC descriptors */ - /* before we release the lock. */ - ((word *)result)[0] = 0; - ((word *)result)[1] = 0; - ((word *)result)[lw-1] = 0; - ((word *)result)[lw-2] = 0; -# endif - } - } - GC_bytes_allocd += lb_rounded; - UNLOCK(); - if (init && !GC_debugging_started && 0 != result) { - BZERO(result, n_blocks * HBLKSIZE); - } - } - if (0 == result) { - return((*GC_oom_fn)(lb)); - } else { - return(result); - } -} - - -#define GENERAL_MALLOC(lb,k) \ - GC_clear_stack(GC_generic_malloc(lb, k)) -/* We make the GC_clear_stack_call a tail call, hoping to get more of */ -/* the stack. */ - -/* Allocate lb bytes of atomic (pointerfree) data */ -#ifdef THREAD_LOCAL_ALLOC - void * GC_core_malloc_atomic(size_t lb) -#else - void * GC_malloc_atomic(size_t lb) -#endif -{ - void *op; - void ** opp; - size_t lg; - DCL_LOCK_STATE; - - if(SMALL_OBJ(lb)) { - lg = GC_size_map[lb]; - opp = &(GC_aobjfreelist[lg]); - LOCK(); - if( EXPECT((op = *opp) == 0, 0) ) { - UNLOCK(); - return(GENERAL_MALLOC((word)lb, PTRFREE)); - } - *opp = obj_link(op); - GC_bytes_allocd += GRANULES_TO_BYTES(lg); - UNLOCK(); - return((void *) op); - } else { - return(GENERAL_MALLOC((word)lb, PTRFREE)); - } -} - -/* provide a version of strdup() that uses the collector to allocate the - copy of the string */ -# ifdef __STDC__ - char *GC_strdup(const char *s) -# else - char *GC_strdup(s) - char *s; -#endif -{ - char *copy; - - if (s == NULL) return NULL; - if ((copy = GC_malloc_atomic(strlen(s) + 1)) == NULL) { - errno = ENOMEM; - return NULL; - } - strcpy(copy, s); - return copy; -} - -/* Allocate lb bytes of composite (pointerful) data */ -#ifdef THREAD_LOCAL_ALLOC - void * GC_core_malloc(size_t lb) -#else - void * GC_malloc(size_t lb) -#endif -{ - void *op; - void **opp; - size_t lg; - DCL_LOCK_STATE; - - if(SMALL_OBJ(lb)) { - lg = GC_size_map[lb]; - opp = (void **)&(GC_objfreelist[lg]); - LOCK(); - if( EXPECT((op = *opp) == 0, 0) ) { - UNLOCK(); - return(GENERAL_MALLOC((word)lb, NORMAL)); - } - /* See above comment on signals. */ - GC_ASSERT(0 == obj_link(op) - || (word)obj_link(op) - <= (word)GC_greatest_plausible_heap_addr - && (word)obj_link(op) - >= (word)GC_least_plausible_heap_addr); - *opp = obj_link(op); - obj_link(op) = 0; - GC_bytes_allocd += GRANULES_TO_BYTES(lg); - UNLOCK(); - return op; - } else { - return(GENERAL_MALLOC(lb, NORMAL)); - } -} - -# ifdef REDIRECT_MALLOC - -/* Avoid unnecessary nested procedure calls here, by #defining some */ -/* malloc replacements. Otherwise we end up saving a */ -/* meaningless return address in the object. It also speeds things up, */ -/* but it is admittedly quite ugly. */ -# ifdef GC_ADD_CALLER -# define RA GC_RETURN_ADDR, -# else -# define RA -# endif -# define GC_debug_malloc_replacement(lb) \ - GC_debug_malloc(lb, RA "unknown", 0) - -void * malloc(size_t lb) - { - /* It might help to manually inline the GC_malloc call here. */ - /* But any decent compiler should reduce the extra procedure call */ - /* to at most a jump instruction in this case. */ -# if defined(I386) && defined(GC_SOLARIS_THREADS) - /* - * Thread initialisation can call malloc before - * we're ready for it. - * It's not clear that this is enough to help matters. - * The thread implementation may well call malloc at other - * inopportune times. - */ - if (!GC_is_initialized) return sbrk(lb); -# endif /* I386 && GC_SOLARIS_THREADS */ - return((void *)REDIRECT_MALLOC(lb)); - } - -#if defined(GC_LINUX_THREADS) /* && !defined(USE_PROC_FOR_LIBRARIES) */ - static ptr_t GC_libpthread_start = 0; - static ptr_t GC_libpthread_end = 0; - static ptr_t GC_libld_start = 0; - static ptr_t GC_libld_end = 0; - extern GC_bool GC_text_mapping(char *nm, ptr_t *startp, ptr_t *endp); - /* From os_dep.c */ - - void GC_init_lib_bounds(void) - { - if (GC_libpthread_start != 0) return; - if (!GC_text_mapping("libpthread-", - &GC_libpthread_start, &GC_libpthread_end)) { - WARN("Failed to find libpthread.so text mapping: Expect crash\n", 0); - /* This might still work with some versions of libpthread, */ - /* so we don't abort. Perhaps we should. */ - /* Generate message only once: */ - GC_libpthread_start = (ptr_t)1; - } - if (!GC_text_mapping("ld-", &GC_libld_start, &GC_libld_end)) { - WARN("Failed to find ld.so text mapping: Expect crash\n", 0); - } - } -#endif - -void * calloc(size_t n, size_t lb) -{ -# if defined(GC_LINUX_THREADS) /* && !defined(USE_PROC_FOR_LIBRARIES) */ - /* libpthread allocated some memory that is only pointed to by */ - /* mmapped thread stacks. Make sure it's not collectable. */ - { - static GC_bool lib_bounds_set = FALSE; - ptr_t caller = (ptr_t)__builtin_return_address(0); - /* This test does not need to ensure memory visibility, since */ - /* the bounds will be set when/if we create another thread. */ - if (!lib_bounds_set) { - GC_init_lib_bounds(); - lib_bounds_set = TRUE; - } - if (caller >= GC_libpthread_start && caller < GC_libpthread_end - || (caller >= GC_libld_start && caller < GC_libld_end)) - return GC_malloc_uncollectable(n*lb); - /* The two ranges are actually usually adjacent, so there may */ - /* be a way to speed this up. */ - } -# endif - return((void *)REDIRECT_MALLOC(n*lb)); -} - -#ifndef strdup -# include - char *strdup(const char *s) - { - size_t len = strlen(s) + 1; - char * result = ((char *)REDIRECT_MALLOC(len+1)); - if (result == 0) { - errno = ENOMEM; - return 0; - } - BCOPY(s, result, len+1); - return result; - } -#endif /* !defined(strdup) */ - /* If strdup is macro defined, we assume that it actually calls malloc, */ - /* and thus the right thing will happen even without overriding it. */ - /* This seems to be true on most Linux systems. */ - -#undef GC_debug_malloc_replacement - -# endif /* REDIRECT_MALLOC */ - -/* Explicitly deallocate an object p. */ -void GC_free(void * p) -{ - struct hblk *h; - hdr *hhdr; - size_t sz; /* In bytes */ - size_t ngranules; /* sz in granules */ - void **flh; - int knd; - struct obj_kind * ok; - DCL_LOCK_STATE; - - if (p == 0) return; - /* Required by ANSI. It's not my fault ... */ -# ifdef LOG_ALLOCS - GC_err_printf("GC_free(%p): %d\n", p, GC_gc_no); -# endif - h = HBLKPTR(p); - hhdr = HDR(h); - sz = hhdr -> hb_sz; - ngranules = BYTES_TO_GRANULES(sz); -# if defined(REDIRECT_MALLOC) && \ - (defined(GC_SOLARIS_THREADS) || defined(GC_LINUX_THREADS) \ - || defined(MSWIN32)) - /* For Solaris, we have to redirect malloc calls during */ - /* initialization. For the others, this seems to happen */ - /* implicitly. */ - /* Don't try to deallocate that memory. */ - if (0 == hhdr) return; -# endif - GC_ASSERT(GC_base(p) == p); - knd = hhdr -> hb_obj_kind; - ok = &GC_obj_kinds[knd]; - if (EXPECT((ngranules <= MAXOBJGRANULES), 1)) { - LOCK(); - GC_bytes_freed += sz; - if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz; - /* Its unnecessary to clear the mark bit. If the */ - /* object is reallocated, it doesn't matter. O.w. the */ - /* collector will do it, since it's on a free list. */ - if (ok -> ok_init) { - BZERO((word *)p + 1, sz-sizeof(word)); - } - flh = &(ok -> ok_freelist[ngranules]); - obj_link(p) = *flh; - *flh = (ptr_t)p; - UNLOCK(); - } else { - size_t nblocks = OBJ_SZ_TO_BLOCKS(sz); - LOCK(); - GC_bytes_freed += sz; - if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz; - if (nblocks > 1) { - GC_large_allocd_bytes -= nblocks * HBLKSIZE; - } - GC_freehblk(h); - UNLOCK(); - } -} - -/* Explicitly deallocate an object p when we already hold lock. */ -/* Only used for internally allocated objects, so we can take some */ -/* shortcuts. */ -#ifdef THREADS -void GC_free_inner(void * p) -{ - struct hblk *h; - hdr *hhdr; - size_t sz; /* bytes */ - size_t ngranules; /* sz in granules */ - void ** flh; - int knd; - struct obj_kind * ok; - DCL_LOCK_STATE; - - h = HBLKPTR(p); - hhdr = HDR(h); - knd = hhdr -> hb_obj_kind; - sz = hhdr -> hb_sz; - ngranules = BYTES_TO_GRANULES(sz); - ok = &GC_obj_kinds[knd]; - if (ngranules <= MAXOBJGRANULES) { - GC_bytes_freed += sz; - if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz; - if (ok -> ok_init) { - BZERO((word *)p + 1, sz-sizeof(word)); - } - flh = &(ok -> ok_freelist[ngranules]); - obj_link(p) = *flh; - *flh = (ptr_t)p; - } else { - size_t nblocks = OBJ_SZ_TO_BLOCKS(sz); - GC_bytes_freed += sz; - if (IS_UNCOLLECTABLE(knd)) GC_non_gc_bytes -= sz; - if (nblocks > 1) { - GC_large_allocd_bytes -= nblocks * HBLKSIZE; - } - GC_freehblk(h); - } -} -#endif /* THREADS */ - -# if defined(REDIRECT_MALLOC) && !defined(REDIRECT_FREE) -# define REDIRECT_FREE GC_free -# endif -# ifdef REDIRECT_FREE - void free(void * p) - { -# if defined(GC_LINUX_THREADS) && !defined(USE_PROC_FOR_LIBRARIES) - { - /* Don't bother with initialization checks. If nothing */ - /* has been initialized, the check fails, and that's safe, */ - /* since we haven't allocated uncollectable objects either. */ - ptr_t caller = (ptr_t)__builtin_return_address(0); - /* This test does not need to ensure memory visibility, since */ - /* the bounds will be set when/if we create another thread. */ - if (caller >= GC_libpthread_start && caller < GC_libpthread_end - || (caller >= GC_libld_start && caller < GC_libld_end)) { - GC_free(p); - return; - } - } -# endif -# ifndef IGNORE_FREE - REDIRECT_FREE(p); -# endif - } -# endif /* REDIRECT_MALLOC */ diff --git a/vendor/gc/mallocx.c b/vendor/gc/mallocx.c deleted file mode 100644 index 8a397cf..0000000 --- a/vendor/gc/mallocx.c +++ /dev/null @@ -1,574 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996 by Silicon Graphics. All rights reserved. - * Copyright (c) 2000 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* - * These are extra allocation routines which are likely to be less - * frequently used than those in malloc.c. They are separate in the - * hope that the .o file will be excluded from statically linked - * executables. We should probably break this up further. - */ - -#include -#include "private/gc_priv.h" - -extern ptr_t GC_clear_stack(); /* in misc.c, behaves like identity */ -void GC_extend_size_map(); /* in misc.c. */ -GC_bool GC_alloc_reclaim_list(); /* in malloc.c */ - -/* Some externally visible but unadvertised variables to allow access to */ -/* free lists from inlined allocators without including gc_priv.h */ -/* or introducing dependencies on internal data structure layouts. */ -void ** const GC_objfreelist_ptr = GC_objfreelist; -void ** const GC_aobjfreelist_ptr = GC_aobjfreelist; -void ** const GC_uobjfreelist_ptr = GC_uobjfreelist; -# ifdef ATOMIC_UNCOLLECTABLE - void ** const GC_auobjfreelist_ptr = GC_auobjfreelist; -# endif - - -void * GC_generic_or_special_malloc(size_t lb, int knd) -{ - switch(knd) { -# ifdef STUBBORN_ALLOC - case STUBBORN: - return(GC_malloc_stubborn((size_t)lb)); -# endif - case PTRFREE: - return(GC_malloc_atomic((size_t)lb)); - case NORMAL: - return(GC_malloc((size_t)lb)); - case UNCOLLECTABLE: - return(GC_malloc_uncollectable((size_t)lb)); -# ifdef ATOMIC_UNCOLLECTABLE - case AUNCOLLECTABLE: - return(GC_malloc_atomic_uncollectable((size_t)lb)); -# endif /* ATOMIC_UNCOLLECTABLE */ - default: - return(GC_generic_malloc(lb,knd)); - } -} - - -/* Change the size of the block pointed to by p to contain at least */ -/* lb bytes. The object may be (and quite likely will be) moved. */ -/* The kind (e.g. atomic) is the same as that of the old. */ -/* Shrinking of large blocks is not implemented well. */ -void * GC_realloc(void * p, size_t lb) -{ - struct hblk * h; - hdr * hhdr; - size_t sz; /* Current size in bytes */ - size_t orig_sz; /* Original sz in bytes */ - int obj_kind; - - if (p == 0) return(GC_malloc(lb)); /* Required by ANSI */ - h = HBLKPTR(p); - hhdr = HDR(h); - sz = hhdr -> hb_sz; - obj_kind = hhdr -> hb_obj_kind; - orig_sz = sz; - - if (sz > MAXOBJBYTES) { - /* Round it up to the next whole heap block */ - register word descr; - - sz = (sz+HBLKSIZE-1) & (~HBLKMASK); - hhdr -> hb_sz = sz; - descr = GC_obj_kinds[obj_kind].ok_descriptor; - if (GC_obj_kinds[obj_kind].ok_relocate_descr) descr += sz; - hhdr -> hb_descr = descr; -# ifdef MARK_BIT_PER_OBJ - GC_ASSERT(hhdr -> hb_inv_sz == LARGE_INV_SZ); -# else - GC_ASSERT(hhdr -> hb_large_block && - hhdr -> hb_map[ANY_INDEX] == 1); -# endif - if (IS_UNCOLLECTABLE(obj_kind)) GC_non_gc_bytes += (sz - orig_sz); - /* Extra area is already cleared by GC_alloc_large_and_clear. */ - } - if (ADD_SLOP(lb) <= sz) { - if (lb >= (sz >> 1)) { -# ifdef STUBBORN_ALLOC - if (obj_kind == STUBBORN) GC_change_stubborn(p); -# endif - if (orig_sz > lb) { - /* Clear unneeded part of object to avoid bogus pointer */ - /* tracing. */ - /* Safe for stubborn objects. */ - BZERO(((ptr_t)p) + lb, orig_sz - lb); - } - return(p); - } else { - /* shrink */ - void * result = - GC_generic_or_special_malloc((word)lb, obj_kind); - - if (result == 0) return(0); - /* Could also return original object. But this */ - /* gives the client warning of imminent disaster. */ - BCOPY(p, result, lb); -# ifndef IGNORE_FREE - GC_free(p); -# endif - return(result); - } - } else { - /* grow */ - void * result = - GC_generic_or_special_malloc((word)lb, obj_kind); - - if (result == 0) return(0); - BCOPY(p, result, sz); -# ifndef IGNORE_FREE - GC_free(p); -# endif - return(result); - } -} - -# if defined(REDIRECT_MALLOC) && !defined(REDIRECT_REALLOC) -# define REDIRECT_REALLOC GC_realloc -# endif - -# ifdef REDIRECT_REALLOC - -/* As with malloc, avoid two levels of extra calls here. */ -# ifdef GC_ADD_CALLER -# define RA GC_RETURN_ADDR, -# else -# define RA -# endif -# define GC_debug_realloc_replacement(p, lb) \ - GC_debug_realloc(p, lb, RA "unknown", 0) - -void * realloc(void * p, size_t lb) - { - return(REDIRECT_REALLOC(p, lb)); - } - -# undef GC_debug_realloc_replacement -# endif /* REDIRECT_REALLOC */ - - -/* Allocate memory such that only pointers to near the */ -/* beginning of the object are considered. */ -/* We avoid holding allocation lock while we clear memory. */ -void * GC_generic_malloc_ignore_off_page(size_t lb, int k) -{ - void *result; - size_t lw; - size_t lb_rounded; - word n_blocks; - GC_bool init; - DCL_LOCK_STATE; - - if (SMALL_OBJ(lb)) - return(GC_generic_malloc((word)lb, k)); - lw = ROUNDED_UP_WORDS(lb); - lb_rounded = WORDS_TO_BYTES(lw); - n_blocks = OBJ_SZ_TO_BLOCKS(lb_rounded); - init = GC_obj_kinds[k].ok_init; - if (GC_have_errors) GC_print_all_errors(); - GC_INVOKE_FINALIZERS(); - LOCK(); - result = (ptr_t)GC_alloc_large(ADD_SLOP(lb), k, IGNORE_OFF_PAGE); - if (0 != result) { - if (GC_debugging_started) { - BZERO(result, n_blocks * HBLKSIZE); - } else { -# ifdef THREADS - /* Clear any memory that might be used for GC descriptors */ - /* before we release the lock. */ - ((word *)result)[0] = 0; - ((word *)result)[1] = 0; - ((word *)result)[lw-1] = 0; - ((word *)result)[lw-2] = 0; -# endif - } - } - GC_bytes_allocd += lb_rounded; - UNLOCK(); - if (0 == result) { - return((*GC_oom_fn)(lb)); - } else { - if (init && !GC_debugging_started) { - BZERO(result, n_blocks * HBLKSIZE); - } - return(result); - } -} - -void * GC_malloc_ignore_off_page(size_t lb) -{ - return((void *)GC_generic_malloc_ignore_off_page(lb, NORMAL)); -} - -void * GC_malloc_atomic_ignore_off_page(size_t lb) -{ - return((void *)GC_generic_malloc_ignore_off_page(lb, PTRFREE)); -} - -/* Increment GC_bytes_allocd from code that doesn't have direct access */ -/* to GC_arrays. */ -void GC_incr_bytes_allocd(size_t n) -{ - GC_bytes_allocd += n; -} - -/* The same for GC_bytes_freed. */ -void GC_incr_bytes_freed(size_t n) -{ - GC_bytes_freed += n; -} - -#if defined(THREADS) - -extern signed_word GC_bytes_found; /* Protected by GC lock. */ - -#ifdef PARALLEL_MARK -volatile signed_word GC_bytes_allocd_tmp = 0; - /* Number of bytes of memory allocated since */ - /* we released the GC lock. Instead of */ - /* reacquiring the GC lock just to add this in, */ - /* we add it in the next time we reacquire */ - /* the lock. (Atomically adding it doesn't */ - /* work, since we would have to atomically */ - /* update it in GC_malloc, which is too */ - /* expensive.) */ -#endif /* PARALLEL_MARK */ - -/* Return a list of 1 or more objects of the indicated size, linked */ -/* through the first word in the object. This has the advantage that */ -/* it acquires the allocation lock only once, and may greatly reduce */ -/* time wasted contending for the allocation lock. Typical usage would */ -/* be in a thread that requires many items of the same size. It would */ -/* keep its own free list in thread-local storage, and call */ -/* GC_malloc_many or friends to replenish it. (We do not round up */ -/* object sizes, since a call indicates the intention to consume many */ -/* objects of exactly this size.) */ -/* We assume that the size is a multiple of GRANULE_BYTES. */ -/* We return the free-list by assigning it to *result, since it is */ -/* not safe to return, e.g. a linked list of pointer-free objects, */ -/* since the collector would not retain the entire list if it were */ -/* invoked just as we were returning. */ -/* Note that the client should usually clear the link field. */ -void GC_generic_malloc_many(size_t lb, int k, void **result) -{ -void *op; -void *p; -void **opp; -size_t lw; /* Length in words. */ -size_t lg; /* Length in granules. */ -signed_word my_bytes_allocd = 0; -struct obj_kind * ok = &(GC_obj_kinds[k]); -DCL_LOCK_STATE; - - GC_ASSERT((lb & (GRANULE_BYTES-1)) == 0); - if (!SMALL_OBJ(lb)) { - op = GC_generic_malloc(lb, k); - if(0 != op) obj_link(op) = 0; - *result = op; - return; - } - lw = BYTES_TO_WORDS(lb); - lg = BYTES_TO_GRANULES(lb); - if (GC_have_errors) GC_print_all_errors(); - GC_INVOKE_FINALIZERS(); - LOCK(); - if (!GC_is_initialized) GC_init_inner(); - /* Do our share of marking work */ - if (GC_incremental && !GC_dont_gc) { - ENTER_GC(); - GC_collect_a_little_inner(1); - EXIT_GC(); - } - /* First see if we can reclaim a page of objects waiting to be */ - /* reclaimed. */ - { - struct hblk ** rlh = ok -> ok_reclaim_list; - struct hblk * hbp; - hdr * hhdr; - - rlh += lg; - while ((hbp = *rlh) != 0) { - hhdr = HDR(hbp); - *rlh = hhdr -> hb_next; - GC_ASSERT(hhdr -> hb_sz == lb); - hhdr -> hb_last_reclaimed = (unsigned short) GC_gc_no; -# ifdef PARALLEL_MARK - { - signed_word my_bytes_allocd_tmp = GC_bytes_allocd_tmp; - - GC_ASSERT(my_bytes_allocd_tmp >= 0); - /* We only decrement it while holding the GC lock. */ - /* Thus we can't accidentally adjust it down in more */ - /* than one thread simultaneously. */ - if (my_bytes_allocd_tmp != 0) { - (void)AO_fetch_and_add( - (volatile AO_t *)(&GC_bytes_allocd_tmp), - (AO_t)(-my_bytes_allocd_tmp)); - GC_bytes_allocd += my_bytes_allocd_tmp; - } - } - GC_acquire_mark_lock(); - ++ GC_fl_builder_count; - UNLOCK(); - GC_release_mark_lock(); -# endif - op = GC_reclaim_generic(hbp, hhdr, lb, - ok -> ok_init, 0, &my_bytes_allocd); - if (op != 0) { - /* We also reclaimed memory, so we need to adjust */ - /* that count. */ - /* This should be atomic, so the results may be */ - /* inaccurate. */ - GC_bytes_found += my_bytes_allocd; -# ifdef PARALLEL_MARK - *result = op; - (void)AO_fetch_and_add( - (volatile AO_t *)(&GC_bytes_allocd_tmp), - (AO_t)(my_bytes_allocd)); - GC_acquire_mark_lock(); - -- GC_fl_builder_count; - if (GC_fl_builder_count == 0) GC_notify_all_builder(); - GC_release_mark_lock(); - (void) GC_clear_stack(0); - return; -# else - GC_bytes_allocd += my_bytes_allocd; - goto out; -# endif - } -# ifdef PARALLEL_MARK - GC_acquire_mark_lock(); - -- GC_fl_builder_count; - if (GC_fl_builder_count == 0) GC_notify_all_builder(); - GC_release_mark_lock(); - LOCK(); - /* GC lock is needed for reclaim list access. We */ - /* must decrement fl_builder_count before reaquiring GC */ - /* lock. Hopefully this path is rare. */ -# endif - } - } - /* Next try to use prefix of global free list if there is one. */ - /* We don't refill it, but we need to use it up before allocating */ - /* a new block ourselves. */ - opp = &(GC_obj_kinds[k].ok_freelist[lg]); - if ( (op = *opp) != 0 ) { - *opp = 0; - my_bytes_allocd = 0; - for (p = op; p != 0; p = obj_link(p)) { - my_bytes_allocd += lb; - if (my_bytes_allocd >= HBLKSIZE) { - *opp = obj_link(p); - obj_link(p) = 0; - break; - } - } - GC_bytes_allocd += my_bytes_allocd; - goto out; - } - /* Next try to allocate a new block worth of objects of this size. */ - { - struct hblk *h = GC_allochblk(lb, k, 0); - if (h != 0) { - if (IS_UNCOLLECTABLE(k)) GC_set_hdr_marks(HDR(h)); - GC_bytes_allocd += HBLKSIZE - HBLKSIZE % lb; -# ifdef PARALLEL_MARK - GC_acquire_mark_lock(); - ++ GC_fl_builder_count; - UNLOCK(); - GC_release_mark_lock(); -# endif - - op = GC_build_fl(h, lw, ok -> ok_init, 0); -# ifdef PARALLEL_MARK - *result = op; - GC_acquire_mark_lock(); - -- GC_fl_builder_count; - if (GC_fl_builder_count == 0) GC_notify_all_builder(); - GC_release_mark_lock(); - (void) GC_clear_stack(0); - return; -# else - goto out; -# endif - } - } - - /* As a last attempt, try allocating a single object. Note that */ - /* this may trigger a collection or expand the heap. */ - op = GC_generic_malloc_inner(lb, k); - if (0 != op) obj_link(op) = 0; - - out: - *result = op; - UNLOCK(); - (void) GC_clear_stack(0); -} - -void * GC_malloc_many(size_t lb) -{ - void *result; - GC_generic_malloc_many(((lb + EXTRA_BYTES + GRANULE_BYTES-1) - & ~(GRANULE_BYTES-1)), - NORMAL, &result); - return result; -} - -/* Note that the "atomic" version of this would be unsafe, since the */ -/* links would not be seen by the collector. */ -# endif - -/* Allocate lb bytes of pointerful, traced, but not collectable data */ -void * GC_malloc_uncollectable(size_t lb) -{ - void *op; - void **opp; - size_t lg; - DCL_LOCK_STATE; - - if( SMALL_OBJ(lb) ) { - if (EXTRA_BYTES != 0 && lb != 0) lb--; - /* We don't need the extra byte, since this won't be */ - /* collected anyway. */ - lg = GC_size_map[lb]; - opp = &(GC_uobjfreelist[lg]); - LOCK(); - if( (op = *opp) != 0 ) { - /* See above comment on signals. */ - *opp = obj_link(op); - obj_link(op) = 0; - GC_bytes_allocd += GRANULES_TO_BYTES(lg); - /* Mark bit ws already set on free list. It will be */ - /* cleared only temporarily during a collection, as a */ - /* result of the normal free list mark bit clearing. */ - GC_non_gc_bytes += GRANULES_TO_BYTES(lg); - UNLOCK(); - } else { - UNLOCK(); - op = (ptr_t)GC_generic_malloc((word)lb, UNCOLLECTABLE); - /* For small objects, the free lists are completely marked. */ - } - GC_ASSERT(0 == op || GC_is_marked(op)); - return((void *) op); - } else { - hdr * hhdr; - - op = (ptr_t)GC_generic_malloc((word)lb, UNCOLLECTABLE); - if (0 == op) return(0); - - GC_ASSERT(((word)op & (HBLKSIZE - 1)) == 0); /* large block */ - hhdr = HDR((struct hbklk *)op); - /* We don't need the lock here, since we have an undisguised */ - /* pointer. We do need to hold the lock while we adjust */ - /* mark bits. */ - lb = hhdr -> hb_sz; - LOCK(); - set_mark_bit_from_hdr(hhdr, 0); /* Only object. */ - GC_ASSERT(hhdr -> hb_n_marks == 0); - hhdr -> hb_n_marks = 1; - UNLOCK(); - return((void *) op); - } -} - -/* Not well tested nor integrated. */ -/* Debug version is tricky and currently missing. */ -#include - -void * GC_memalign(size_t align, size_t lb) -{ - size_t new_lb; - size_t offset; - ptr_t result; - - if (align <= GRANULE_BYTES) return GC_malloc(lb); - if (align >= HBLKSIZE/2 || lb >= HBLKSIZE/2) { - if (align > HBLKSIZE) return GC_oom_fn(LONG_MAX-1024) /* Fail */; - return GC_malloc(lb <= HBLKSIZE? HBLKSIZE : lb); - /* Will be HBLKSIZE aligned. */ - } - /* We could also try to make sure that the real rounded-up object size */ - /* is a multiple of align. That would be correct up to HBLKSIZE. */ - new_lb = lb + align - 1; - result = GC_malloc(new_lb); - offset = (word)result % align; - if (offset != 0) { - offset = align - offset; - if (!GC_all_interior_pointers) { - if (offset >= VALID_OFFSET_SZ) return GC_malloc(HBLKSIZE); - GC_register_displacement(offset); - } - } - result = (void *) ((ptr_t)result + offset); - GC_ASSERT((word)result % align == 0); - return result; -} - -# ifdef ATOMIC_UNCOLLECTABLE -/* Allocate lb bytes of pointerfree, untraced, uncollectable data */ -/* This is normally roughly equivalent to the system malloc. */ -/* But it may be useful if malloc is redefined. */ -void * GC_malloc_atomic_uncollectable(size_t lb) -{ - void *op; - void **opp; - size_t lg; - DCL_LOCK_STATE; - - if( SMALL_OBJ(lb) ) { - if (EXTRA_BYTES != 0 && lb != 0) lb--; - /* We don't need the extra byte, since this won't be */ - /* collected anyway. */ - lg = GC_size_map[lb]; - opp = &(GC_auobjfreelist[lg]); - LOCK(); - if( (op = *opp) != 0 ) { - /* See above comment on signals. */ - *opp = obj_link(op); - obj_link(op) = 0; - GC_bytes_allocd += GRANULES_TO_BYTES(lg); - /* Mark bit was already set while object was on free list. */ - GC_non_gc_bytes += GRANULES_TO_BYTES(lg); - UNLOCK(); - } else { - UNLOCK(); - op = (ptr_t)GC_generic_malloc(lb, AUNCOLLECTABLE); - } - GC_ASSERT(0 == op || GC_is_marked(op)); - return((void *) op); - } else { - hdr * hhdr; - - op = (ptr_t)GC_generic_malloc(lb, AUNCOLLECTABLE); - if (0 == op) return(0); - - GC_ASSERT(((word)op & (HBLKSIZE - 1)) == 0); - hhdr = HDR((struct hbklk *)op); - lb = hhdr -> hb_sz; - - LOCK(); - set_mark_bit_from_hdr(hhdr, 0); /* Only object. */ - GC_ASSERT(hhdr -> hb_n_marks == 0); - hhdr -> hb_n_marks = 1; - UNLOCK(); - return((void *) op); - } -} - -#endif /* ATOMIC_UNCOLLECTABLE */ diff --git a/vendor/gc/mark.c b/vendor/gc/mark.c deleted file mode 100644 index 9501166..0000000 --- a/vendor/gc/mark.c +++ /dev/null @@ -1,1867 +0,0 @@ - -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright (c) 2000 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - - -# include -# include "private/gc_pmark.h" - -#if defined(MSWIN32) && defined(__GNUC__) -# include -#endif - -/* We put this here to minimize the risk of inlining. */ -/*VARARGS*/ -#ifdef __WATCOMC__ - void GC_noop(void *p, ...) {} -#else - void GC_noop() {} -#endif - -/* Single argument version, robust against whole program analysis. */ -void GC_noop1(word x) -{ - static volatile word sink; - - sink = x; -} - -/* mark_proc GC_mark_procs[MAX_MARK_PROCS] = {0} -- declared in gc_priv.h */ - -unsigned GC_n_mark_procs = GC_RESERVED_MARK_PROCS; - -/* Initialize GC_obj_kinds properly and standard free lists properly. */ -/* This must be done statically since they may be accessed before */ -/* GC_init is called. */ -/* It's done here, since we need to deal with mark descriptors. */ -struct obj_kind GC_obj_kinds[MAXOBJKINDS] = { -/* PTRFREE */ { &GC_aobjfreelist[0], 0 /* filled in dynamically */, - 0 | GC_DS_LENGTH, FALSE, FALSE }, -/* NORMAL */ { &GC_objfreelist[0], 0, - 0 | GC_DS_LENGTH, /* Adjusted in GC_init_inner for EXTRA_BYTES */ - TRUE /* add length to descr */, TRUE }, -/* UNCOLLECTABLE */ - { &GC_uobjfreelist[0], 0, - 0 | GC_DS_LENGTH, TRUE /* add length to descr */, TRUE }, -# ifdef ATOMIC_UNCOLLECTABLE - /* AUNCOLLECTABLE */ - { &GC_auobjfreelist[0], 0, - 0 | GC_DS_LENGTH, FALSE /* add length to descr */, FALSE }, -# endif -# ifdef STUBBORN_ALLOC -/*STUBBORN*/ { &GC_sobjfreelist[0], 0, - 0 | GC_DS_LENGTH, TRUE /* add length to descr */, TRUE }, -# endif -}; - -# ifdef ATOMIC_UNCOLLECTABLE -# ifdef STUBBORN_ALLOC - unsigned GC_n_kinds = 5; -# else - unsigned GC_n_kinds = 4; -# endif -# else -# ifdef STUBBORN_ALLOC - unsigned GC_n_kinds = 4; -# else - unsigned GC_n_kinds = 3; -# endif -# endif - - -# ifndef INITIAL_MARK_STACK_SIZE -# define INITIAL_MARK_STACK_SIZE (1*HBLKSIZE) - /* INITIAL_MARK_STACK_SIZE * sizeof(mse) should be a */ - /* multiple of HBLKSIZE. */ - /* The incremental collector actually likes a larger */ - /* size, since it want to push all marked dirty objs */ - /* before marking anything new. Currently we let it */ - /* grow dynamically. */ -# endif - -/* - * Limits of stack for GC_mark routine. - * All ranges between GC_mark_stack(incl.) and GC_mark_stack_top(incl.) still - * need to be marked from. - */ - -word GC_n_rescuing_pages; /* Number of dirty pages we marked from */ - /* excludes ptrfree pages, etc. */ - -mse * GC_mark_stack; - -mse * GC_mark_stack_limit; - -size_t GC_mark_stack_size = 0; - -#ifdef PARALLEL_MARK -# include "atomic_ops.h" - - mse * volatile GC_mark_stack_top; - /* Updated only with mark lock held, but read asynchronously. */ - volatile AO_t GC_first_nonempty; - /* Lowest entry on mark stack */ - /* that may be nonempty. */ - /* Updated only by initiating */ - /* thread. */ -#else - mse * GC_mark_stack_top; -#endif - -static struct hblk * scan_ptr; - -mark_state_t GC_mark_state = MS_NONE; - -GC_bool GC_mark_stack_too_small = FALSE; - -GC_bool GC_objects_are_marked = FALSE; /* Are there collectable marked */ - /* objects in the heap? */ - -/* Is a collection in progress? Note that this can return true in the */ -/* nonincremental case, if a collection has been abandoned and the */ -/* mark state is now MS_INVALID. */ -GC_bool GC_collection_in_progress(void) -{ - return(GC_mark_state != MS_NONE); -} - -/* clear all mark bits in the header */ -void GC_clear_hdr_marks(hdr *hhdr) -{ - size_t last_bit = FINAL_MARK_BIT(hhdr -> hb_sz); - -# ifdef USE_MARK_BYTES - BZERO(hhdr -> hb_marks, MARK_BITS_SZ); - hhdr -> hb_marks[last_bit] = 1; -# else - BZERO(hhdr -> hb_marks, MARK_BITS_SZ*sizeof(word)); - set_mark_bit_from_hdr(hhdr, last_bit); -# endif - hhdr -> hb_n_marks = 0; -} - -/* Set all mark bits in the header. Used for uncollectable blocks. */ -void GC_set_hdr_marks(hdr *hhdr) -{ - unsigned i; - size_t sz = hhdr -> hb_sz; - size_t n_marks = FINAL_MARK_BIT(sz); - -# ifdef USE_MARK_BYTES - for (i = 0; i <= n_marks; i += MARK_BIT_OFFSET(sz)) { - hhdr -> hb_marks[i] = 1; - } -# else - for (i = 0; i < divWORDSZ(n_marks + WORDSZ); ++i) { - hhdr -> hb_marks[i] = ONES; - } -# endif -# ifdef MARK_BIT_PER_OBJ - hhdr -> hb_n_marks = n_marks - 1; -# else - hhdr -> hb_n_marks = HBLK_OBJS(sz); -# endif -} - -/* - * Clear all mark bits associated with block h. - */ -/*ARGSUSED*/ -static void clear_marks_for_block(struct hblk *h, word dummy) -{ - register hdr * hhdr = HDR(h); - - if (IS_UNCOLLECTABLE(hhdr -> hb_obj_kind)) return; - /* Mark bit for these is cleared only once the object is */ - /* explicitly deallocated. This either frees the block, or */ - /* the bit is cleared once the object is on the free list. */ - GC_clear_hdr_marks(hhdr); -} - -/* Slow but general routines for setting/clearing/asking about mark bits */ -void GC_set_mark_bit(ptr_t p) -{ - struct hblk *h = HBLKPTR(p); - hdr * hhdr = HDR(h); - word bit_no = MARK_BIT_NO(p - (ptr_t)h, hhdr -> hb_sz); - - if (!mark_bit_from_hdr(hhdr, bit_no)) { - set_mark_bit_from_hdr(hhdr, bit_no); - ++hhdr -> hb_n_marks; - } -} - -void GC_clear_mark_bit(ptr_t p) -{ - struct hblk *h = HBLKPTR(p); - hdr * hhdr = HDR(h); - word bit_no = MARK_BIT_NO(p - (ptr_t)h, hhdr -> hb_sz); - - if (mark_bit_from_hdr(hhdr, bit_no)) { - size_t n_marks; - clear_mark_bit_from_hdr(hhdr, bit_no); - n_marks = hhdr -> hb_n_marks - 1; -# ifdef PARALLEL_MARK - if (n_marks != 0) - hhdr -> hb_n_marks = n_marks; - /* Don't decrement to zero. The counts are approximate due to */ - /* concurrency issues, but we need to ensure that a count of */ - /* zero implies an empty block. */ -# else - hhdr -> hb_n_marks = n_marks; -# endif - } -} - -GC_bool GC_is_marked(ptr_t p) -{ - struct hblk *h = HBLKPTR(p); - hdr * hhdr = HDR(h); - word bit_no = MARK_BIT_NO(p - (ptr_t)h, hhdr -> hb_sz); - - return((GC_bool)mark_bit_from_hdr(hhdr, bit_no)); -} - - -/* - * Clear mark bits in all allocated heap blocks. This invalidates - * the marker invariant, and sets GC_mark_state to reflect this. - * (This implicitly starts marking to reestablish the invariant.) - */ -void GC_clear_marks(void) -{ - GC_apply_to_all_blocks(clear_marks_for_block, (word)0); - GC_objects_are_marked = FALSE; - GC_mark_state = MS_INVALID; - scan_ptr = 0; -} - -/* Initiate a garbage collection. Initiates a full collection if the */ -/* mark state is invalid. */ -/*ARGSUSED*/ -void GC_initiate_gc(void) -{ - if (GC_dirty_maintained) GC_read_dirty(); -# ifdef STUBBORN_ALLOC - GC_read_changed(); -# endif -# ifdef CHECKSUMS - { - extern void GC_check_dirty(); - - if (GC_dirty_maintained) GC_check_dirty(); - } -# endif - GC_n_rescuing_pages = 0; - if (GC_mark_state == MS_NONE) { - GC_mark_state = MS_PUSH_RESCUERS; - } else if (GC_mark_state != MS_INVALID) { - ABORT("unexpected state"); - } /* else this is really a full collection, and mark */ - /* bits are invalid. */ - scan_ptr = 0; -} - - -static void alloc_mark_stack(size_t); - -# if defined(MSWIN32) || defined(USE_PROC_FOR_LIBRARIES) && defined(THREADS) - /* Under rare conditions, we may end up marking from nonexistent memory. */ - /* Hence we need to be prepared to recover by running GC_mark_some */ - /* with a suitable handler in place. */ -# define WRAP_MARK_SOME -# endif - -/* Perform a small amount of marking. */ -/* We try to touch roughly a page of memory. */ -/* Return TRUE if we just finished a mark phase. */ -/* Cold_gc_frame is an address inside a GC frame that */ -/* remains valid until all marking is complete. */ -/* A zero value indicates that it's OK to miss some */ -/* register values. */ -/* We hold the allocation lock. In the case of */ -/* incremental collection, the world may not be stopped.*/ -#ifdef WRAP_MARK_SOME - /* For win32, this is called after we establish a structured */ - /* exception handler, in case Windows unmaps one of our root */ - /* segments. See below. In either case, we acquire the */ - /* allocator lock long before we get here. */ - GC_bool GC_mark_some_inner(ptr_t cold_gc_frame) -#else - GC_bool GC_mark_some(ptr_t cold_gc_frame) -#endif -{ - switch(GC_mark_state) { - case MS_NONE: - return(FALSE); - - case MS_PUSH_RESCUERS: - if (GC_mark_stack_top - >= GC_mark_stack_limit - INITIAL_MARK_STACK_SIZE/2) { - /* Go ahead and mark, even though that might cause us to */ - /* see more marked dirty objects later on. Avoid this */ - /* in the future. */ - GC_mark_stack_too_small = TRUE; - MARK_FROM_MARK_STACK(); - return(FALSE); - } else { - scan_ptr = GC_push_next_marked_dirty(scan_ptr); - if (scan_ptr == 0) { - if (GC_print_stats) { - GC_log_printf("Marked from %u dirty pages\n", - GC_n_rescuing_pages); - } - GC_push_roots(FALSE, cold_gc_frame); - GC_objects_are_marked = TRUE; - if (GC_mark_state != MS_INVALID) { - GC_mark_state = MS_ROOTS_PUSHED; - } - } - } - return(FALSE); - - case MS_PUSH_UNCOLLECTABLE: - if (GC_mark_stack_top - >= GC_mark_stack + GC_mark_stack_size/4) { -# ifdef PARALLEL_MARK - /* Avoid this, since we don't parallelize the marker */ - /* here. */ - if (GC_parallel) GC_mark_stack_too_small = TRUE; -# endif - MARK_FROM_MARK_STACK(); - return(FALSE); - } else { - scan_ptr = GC_push_next_marked_uncollectable(scan_ptr); - if (scan_ptr == 0) { - GC_push_roots(TRUE, cold_gc_frame); - GC_objects_are_marked = TRUE; - if (GC_mark_state != MS_INVALID) { - GC_mark_state = MS_ROOTS_PUSHED; - } - } - } - return(FALSE); - - case MS_ROOTS_PUSHED: -# ifdef PARALLEL_MARK - /* In the incremental GC case, this currently doesn't */ - /* quite do the right thing, since it runs to */ - /* completion. On the other hand, starting a */ - /* parallel marker is expensive, so perhaps it is */ - /* the right thing? */ - /* Eventually, incremental marking should run */ - /* asynchronously in multiple threads, without grabbing */ - /* the allocation lock. */ - if (GC_parallel) { - GC_do_parallel_mark(); - GC_ASSERT(GC_mark_stack_top < (mse *)GC_first_nonempty); - GC_mark_stack_top = GC_mark_stack - 1; - if (GC_mark_stack_too_small) { - alloc_mark_stack(2*GC_mark_stack_size); - } - if (GC_mark_state == MS_ROOTS_PUSHED) { - GC_mark_state = MS_NONE; - return(TRUE); - } else { - return(FALSE); - } - } -# endif - if (GC_mark_stack_top >= GC_mark_stack) { - MARK_FROM_MARK_STACK(); - return(FALSE); - } else { - GC_mark_state = MS_NONE; - if (GC_mark_stack_too_small) { - alloc_mark_stack(2*GC_mark_stack_size); - } - return(TRUE); - } - - case MS_INVALID: - case MS_PARTIALLY_INVALID: - if (!GC_objects_are_marked) { - GC_mark_state = MS_PUSH_UNCOLLECTABLE; - return(FALSE); - } - if (GC_mark_stack_top >= GC_mark_stack) { - MARK_FROM_MARK_STACK(); - return(FALSE); - } - if (scan_ptr == 0 && GC_mark_state == MS_INVALID) { - /* About to start a heap scan for marked objects. */ - /* Mark stack is empty. OK to reallocate. */ - if (GC_mark_stack_too_small) { - alloc_mark_stack(2*GC_mark_stack_size); - } - GC_mark_state = MS_PARTIALLY_INVALID; - } - scan_ptr = GC_push_next_marked(scan_ptr); - if (scan_ptr == 0 && GC_mark_state == MS_PARTIALLY_INVALID) { - GC_push_roots(TRUE, cold_gc_frame); - GC_objects_are_marked = TRUE; - if (GC_mark_state != MS_INVALID) { - GC_mark_state = MS_ROOTS_PUSHED; - } - } - return(FALSE); - default: - ABORT("GC_mark_some: bad state"); - return(FALSE); - } -} - - -#if defined(MSWIN32) && defined(__GNUC__) - - typedef struct { - EXCEPTION_REGISTRATION ex_reg; - void *alt_path; - } ext_ex_regn; - - - static EXCEPTION_DISPOSITION mark_ex_handler( - struct _EXCEPTION_RECORD *ex_rec, - void *est_frame, - struct _CONTEXT *context, - void *disp_ctxt) - { - if (ex_rec->ExceptionCode == STATUS_ACCESS_VIOLATION) { - ext_ex_regn *xer = (ext_ex_regn *)est_frame; - - /* Unwind from the inner function assuming the standard */ - /* function prologue. */ - /* Assumes code has not been compiled with */ - /* -fomit-frame-pointer. */ - context->Esp = context->Ebp; - context->Ebp = *((DWORD *)context->Esp); - context->Esp = context->Esp - 8; - - /* Resume execution at the "real" handler within the */ - /* wrapper function. */ - context->Eip = (DWORD )(xer->alt_path); - - return ExceptionContinueExecution; - - } else { - return ExceptionContinueSearch; - } - } -# endif /* __GNUC__ && MSWIN32 */ - -#ifdef GC_WIN32_THREADS - extern GC_bool GC_started_thread_while_stopped(void); - /* In win32_threads.c. Did we invalidate mark phase with an */ - /* unexpected thread start? */ -#endif - -# ifdef WRAP_MARK_SOME - GC_bool GC_mark_some(ptr_t cold_gc_frame) - { - GC_bool ret_val; - -# ifdef MSWIN32 -# ifndef __GNUC__ - /* Windows 98 appears to asynchronously create and remove */ - /* writable memory mappings, for reasons we haven't yet */ - /* understood. Since we look for writable regions to */ - /* determine the root set, we may try to mark from an */ - /* address range that disappeared since we started the */ - /* collection. Thus we have to recover from faults here. */ - /* This code does not appear to be necessary for Windows */ - /* 95/NT/2000. Note that this code should never generate */ - /* an incremental GC write fault. */ - /* It's conceivable that this is the same issue with */ - /* terminating threads that we see with Linux and */ - /* USE_PROC_FOR_LIBRARIES. */ - - __try { - ret_val = GC_mark_some_inner(cold_gc_frame); - } __except (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ? - EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH) { - goto handle_ex; - } -# ifdef GC_WIN32_THREADS - /* With DllMain-based thread tracking, a thread may have */ - /* started while we were marking. This is logically equivalent */ - /* to the exception case; our results are invalid and we have */ - /* to start over. This cannot be prevented since we can't */ - /* block in DllMain. */ - if (GC_started_thread_while_stopped()) goto handle_ex; -# endif - rm_handler: - return ret_val; - -# else /* __GNUC__ */ - - /* Manually install an exception handler since GCC does */ - /* not yet support Structured Exception Handling (SEH) on */ - /* Win32. */ - - ext_ex_regn er; - - er.alt_path = &&handle_ex; - er.ex_reg.handler = mark_ex_handler; - asm volatile ("movl %%fs:0, %0" : "=r" (er.ex_reg.prev)); - asm volatile ("movl %0, %%fs:0" : : "r" (&er)); - ret_val = GC_mark_some_inner(cold_gc_frame); - /* Prevent GCC from considering the following code unreachable */ - /* and thus eliminating it. */ - if (er.alt_path == 0) - goto handle_ex; - rm_handler: - /* Uninstall the exception handler */ - asm volatile ("mov %0, %%fs:0" : : "r" (er.ex_reg.prev)); - return ret_val; - -# endif /* __GNUC__ */ -# else /* !MSWIN32 */ - /* Here we are handling the case in which /proc is used for root */ - /* finding, and we have threads. We may find a stack for a */ - /* thread that is in the process of exiting, and disappears */ - /* while we are marking it. This seems extremely difficult to */ - /* avoid otherwise. */ - if (GC_incremental) - WARN("Incremental GC incompatible with /proc roots\n", 0); - /* I'm not sure if this could still work ... */ - GC_setup_temporary_fault_handler(); - if(SETJMP(GC_jmp_buf) != 0) goto handle_ex; - ret_val = GC_mark_some_inner(cold_gc_frame); - rm_handler: - GC_reset_fault_handler(); - return ret_val; - -# endif /* !MSWIN32 */ - -handle_ex: - /* Exception handler starts here for all cases. */ - if (GC_print_stats) { - GC_log_printf("Caught ACCESS_VIOLATION in marker. " - "Memory mapping disappeared.\n"); - } - - /* We have bad roots on the stack. Discard mark stack. */ - /* Rescan from marked objects. Redetermine roots. */ - GC_invalidate_mark_state(); - scan_ptr = 0; - - ret_val = FALSE; - goto rm_handler; // Back to platform-specific code. - } -#endif /* WRAP_MARK_SOME */ - - -GC_bool GC_mark_stack_empty(void) -{ - return(GC_mark_stack_top < GC_mark_stack); -} - -void GC_invalidate_mark_state(void) -{ - GC_mark_state = MS_INVALID; - GC_mark_stack_top = GC_mark_stack-1; -} - -mse * GC_signal_mark_stack_overflow(mse *msp) -{ - GC_mark_state = MS_INVALID; - GC_mark_stack_too_small = TRUE; - if (GC_print_stats) { - GC_log_printf("Mark stack overflow; current size = %lu entries\n", - GC_mark_stack_size); - } - return(msp - GC_MARK_STACK_DISCARDS); -} - -/* - * Mark objects pointed to by the regions described by - * mark stack entries between mark_stack and mark_stack_top, - * inclusive. Assumes the upper limit of a mark stack entry - * is never 0. A mark stack entry never has size 0. - * We try to traverse on the order of a hblk of memory before we return. - * Caller is responsible for calling this until the mark stack is empty. - * Note that this is the most performance critical routine in the - * collector. Hence it contains all sorts of ugly hacks to speed - * things up. In particular, we avoid procedure calls on the common - * path, we take advantage of peculiarities of the mark descriptor - * encoding, we optionally maintain a cache for the block address to - * header mapping, we prefetch when an object is "grayed", etc. - */ -mse * GC_mark_from(mse *mark_stack_top, mse *mark_stack, mse *mark_stack_limit) -{ - signed_word credit = HBLKSIZE; /* Remaining credit for marking work */ - ptr_t current_p; /* Pointer to current candidate ptr. */ - word current; /* Candidate pointer. */ - ptr_t limit; /* (Incl) limit of current candidate */ - /* range */ - word descr; - ptr_t greatest_ha = GC_greatest_plausible_heap_addr; - ptr_t least_ha = GC_least_plausible_heap_addr; - DECLARE_HDR_CACHE; - -# define SPLIT_RANGE_WORDS 128 /* Must be power of 2. */ - - GC_objects_are_marked = TRUE; - INIT_HDR_CACHE; -# ifdef OS2 /* Use untweaked version to circumvent compiler problem */ - while (mark_stack_top >= mark_stack && credit >= 0) { -# else - while ((((ptr_t)mark_stack_top - (ptr_t)mark_stack) | credit) - >= 0) { -# endif - current_p = mark_stack_top -> mse_start; - descr = mark_stack_top -> mse_descr; - retry: - /* current_p and descr describe the current object. */ - /* *mark_stack_top is vacant. */ - /* The following is 0 only for small objects described by a simple */ - /* length descriptor. For many applications this is the common */ - /* case, so we try to detect it quickly. */ - if (descr & ((~(WORDS_TO_BYTES(SPLIT_RANGE_WORDS) - 1)) | GC_DS_TAGS)) { - word tag = descr & GC_DS_TAGS; - - switch(tag) { - case GC_DS_LENGTH: - /* Large length. */ - /* Process part of the range to avoid pushing too much on the */ - /* stack. */ - GC_ASSERT(descr < (word)GC_greatest_plausible_heap_addr - - (word)GC_least_plausible_heap_addr); -# ifdef ENABLE_TRACE - if (GC_trace_addr >= current_p - && GC_trace_addr < current_p + descr) { - GC_log_printf("GC:%d Large section; start %p len %lu\n", - GC_gc_no, current_p, (unsigned long) descr); - } -# endif /* ENABLE_TRACE */ -# ifdef PARALLEL_MARK -# define SHARE_BYTES 2048 - if (descr > SHARE_BYTES && GC_parallel - && mark_stack_top < mark_stack_limit - 1) { - int new_size = (descr/2) & ~(sizeof(word)-1); - mark_stack_top -> mse_start = current_p; - mark_stack_top -> mse_descr = new_size + sizeof(word); - /* makes sure we handle */ - /* misaligned pointers. */ - mark_stack_top++; -# ifdef ENABLE_TRACE - if (GC_trace_addr >= current_p - && GC_trace_addr < current_p + descr) { - GC_log_printf("GC:%d splitting (parallel) %p at %p\n", - GC_gc_no, current_p, current_p + new_size); - } -# endif /* ENABLE_TRACE */ - current_p += new_size; - descr -= new_size; - goto retry; - } -# endif /* PARALLEL_MARK */ - mark_stack_top -> mse_start = - limit = current_p + WORDS_TO_BYTES(SPLIT_RANGE_WORDS-1); - mark_stack_top -> mse_descr = - descr - WORDS_TO_BYTES(SPLIT_RANGE_WORDS-1); -# ifdef ENABLE_TRACE - if (GC_trace_addr >= current_p - && GC_trace_addr < current_p + descr) { - GC_log_printf("GC:%d splitting %p at %p\n", - GC_gc_no, current_p, limit); - } -# endif /* ENABLE_TRACE */ - /* Make sure that pointers overlapping the two ranges are */ - /* considered. */ - limit += sizeof(word) - ALIGNMENT; - break; - case GC_DS_BITMAP: - mark_stack_top--; -# ifdef ENABLE_TRACE - if (GC_trace_addr >= current_p - && GC_trace_addr < current_p + WORDS_TO_BYTES(WORDSZ-2)) { - GC_log_printf("GC:%d Tracing from %p bitmap descr %lu\n", - GC_gc_no, current_p, (unsigned long) descr); - } -# endif /* ENABLE_TRACE */ - descr &= ~GC_DS_TAGS; - credit -= WORDS_TO_BYTES(WORDSZ/2); /* guess */ - while (descr != 0) { - if ((signed_word)descr < 0) { - current = *(word *)current_p; - FIXUP_POINTER(current); - if ((ptr_t)current >= least_ha && (ptr_t)current < greatest_ha) { - PREFETCH((ptr_t)current); -# ifdef ENABLE_TRACE - if (GC_trace_addr == current_p) { - GC_log_printf("GC:%d Considering(3) %p -> %p\n", - GC_gc_no, current_p, (ptr_t) current); - } -# endif /* ENABLE_TRACE */ - PUSH_CONTENTS((ptr_t)current, mark_stack_top, - mark_stack_limit, current_p, exit1); - } - } - descr <<= 1; - current_p += sizeof(word); - } - continue; - case GC_DS_PROC: - mark_stack_top--; -# ifdef ENABLE_TRACE - if (GC_trace_addr >= current_p - && GC_base(current_p) != 0 - && GC_base(current_p) == GC_base(GC_trace_addr)) { - GC_log_printf("GC:%d Tracing from %p proc descr %lu\n", - GC_gc_no, current_p, (unsigned long) descr); - } -# endif /* ENABLE_TRACE */ - credit -= GC_PROC_BYTES; - mark_stack_top = - (*PROC(descr)) - ((word *)current_p, mark_stack_top, - mark_stack_limit, ENV(descr)); - continue; - case GC_DS_PER_OBJECT: - if ((signed_word)descr >= 0) { - /* Descriptor is in the object. */ - descr = *(word *)(current_p + descr - GC_DS_PER_OBJECT); - } else { - /* Descriptor is in type descriptor pointed to by first */ - /* word in object. */ - ptr_t type_descr = *(ptr_t *)current_p; - /* type_descr is either a valid pointer to the descriptor */ - /* structure, or this object was on a free list. If it */ - /* it was anything but the last object on the free list, */ - /* we will misinterpret the next object on the free list as */ - /* the type descriptor, and get a 0 GC descriptor, which */ - /* is ideal. Unfortunately, we need to check for the last */ - /* object case explicitly. */ - if (0 == type_descr) { - /* Rarely executed. */ - mark_stack_top--; - continue; - } - descr = *(word *)(type_descr - - (descr + (GC_INDIR_PER_OBJ_BIAS - - GC_DS_PER_OBJECT))); - } - if (0 == descr) { - /* Can happen either because we generated a 0 descriptor */ - /* or we saw a pointer to a free object. */ - mark_stack_top--; - continue; - } - goto retry; - } - } else /* Small object with length descriptor */ { - mark_stack_top--; - limit = current_p + (word)descr; - } -# ifdef ENABLE_TRACE - if (GC_trace_addr >= current_p - && GC_trace_addr < limit) { - GC_log_printf("GC:%d Tracing from %p len %lu\n", - GC_gc_no, current_p, (unsigned long) descr); - } -# endif /* ENABLE_TRACE */ - /* The simple case in which we're scanning a range. */ - GC_ASSERT(!((word)current_p & (ALIGNMENT-1))); - credit -= limit - current_p; - limit -= sizeof(word); - { -# define PREF_DIST 4 - -# ifndef SMALL_CONFIG - word deferred; - - /* Try to prefetch the next pointer to be examined asap. */ - /* Empirically, this also seems to help slightly without */ - /* prefetches, at least on linux/X86. Presumably this loop */ - /* ends up with less register pressure, and gcc thus ends up */ - /* generating slightly better code. Overall gcc code quality */ - /* for this loop is still not great. */ - for(;;) { - PREFETCH(limit - PREF_DIST*CACHE_LINE_SIZE); - GC_ASSERT(limit >= current_p); - deferred = *(word *)limit; - FIXUP_POINTER(deferred); - limit -= ALIGNMENT; - if ((ptr_t)deferred >= least_ha && (ptr_t)deferred < greatest_ha) { - PREFETCH((ptr_t)deferred); - break; - } - if (current_p > limit) goto next_object; - /* Unroll once, so we don't do too many of the prefetches */ - /* based on limit. */ - deferred = *(word *)limit; - FIXUP_POINTER(deferred); - limit -= ALIGNMENT; - if ((ptr_t)deferred >= least_ha && (ptr_t)deferred < greatest_ha) { - PREFETCH((ptr_t)deferred); - break; - } - if (current_p > limit) goto next_object; - } -# endif - - while (current_p <= limit) { - /* Empirically, unrolling this loop doesn't help a lot. */ - /* Since PUSH_CONTENTS expands to a lot of code, */ - /* we don't. */ - current = *(word *)current_p; - FIXUP_POINTER(current); - PREFETCH(current_p + PREF_DIST*CACHE_LINE_SIZE); - if ((ptr_t)current >= least_ha && (ptr_t)current < greatest_ha) { - /* Prefetch the contents of the object we just pushed. It's */ - /* likely we will need them soon. */ - PREFETCH((ptr_t)current); -# ifdef ENABLE_TRACE - if (GC_trace_addr == current_p) { - GC_log_printf("GC:%d Considering(1) %p -> %p\n", - GC_gc_no, current_p, (ptr_t) current); - } -# endif /* ENABLE_TRACE */ - PUSH_CONTENTS((ptr_t)current, mark_stack_top, - mark_stack_limit, current_p, exit2); - } - current_p += ALIGNMENT; - } - -# ifndef SMALL_CONFIG - /* We still need to mark the entry we previously prefetched. */ - /* We already know that it passes the preliminary pointer */ - /* validity test. */ -# ifdef ENABLE_TRACE - if (GC_trace_addr == current_p) { - GC_log_printf("GC:%d Considering(2) %p -> %p\n", - GC_gc_no, current_p, (ptr_t) deferred); - } -# endif /* ENABLE_TRACE */ - PUSH_CONTENTS((ptr_t)deferred, mark_stack_top, - mark_stack_limit, current_p, exit4); - next_object:; -# endif - } - } - return mark_stack_top; -} - -#ifdef PARALLEL_MARK - -/* We assume we have an ANSI C Compiler. */ -GC_bool GC_help_wanted = FALSE; -unsigned GC_helper_count = 0; -unsigned GC_active_count = 0; -word GC_mark_no = 0; - -#define LOCAL_MARK_STACK_SIZE HBLKSIZE - /* Under normal circumstances, this is big enough to guarantee */ - /* We don't overflow half of it in a single call to */ - /* GC_mark_from. */ - - -/* Steal mark stack entries starting at mse low into mark stack local */ -/* until we either steal mse high, or we have max entries. */ -/* Return a pointer to the top of the local mark stack. */ -/* *next is replaced by a pointer to the next unscanned mark stack */ -/* entry. */ -mse * GC_steal_mark_stack(mse * low, mse * high, mse * local, - unsigned max, mse **next) -{ - mse *p; - mse *top = local - 1; - unsigned i = 0; - - GC_ASSERT(high >= low-1 && high - low + 1 <= GC_mark_stack_size); - for (p = low; p <= high && i <= max; ++p) { - word descr = AO_load((volatile AO_t *) &(p -> mse_descr)); - if (descr != 0) { - /* Must be ordered after read of descr: */ - AO_store_release_write((volatile AO_t *) &(p -> mse_descr), 0); - /* More than one thread may get this entry, but that's only */ - /* a minor performance problem. */ - ++top; - top -> mse_descr = descr; - top -> mse_start = p -> mse_start; - GC_ASSERT((top -> mse_descr & GC_DS_TAGS) != GC_DS_LENGTH || - top -> mse_descr < (ptr_t)GC_greatest_plausible_heap_addr - - (ptr_t)GC_least_plausible_heap_addr); - /* If this is a big object, count it as */ - /* size/256 + 1 objects. */ - ++i; - if ((descr & GC_DS_TAGS) == GC_DS_LENGTH) i += (descr >> 8); - } - } - *next = p; - return top; -} - -/* Copy back a local mark stack. */ -/* low and high are inclusive bounds. */ -void GC_return_mark_stack(mse * low, mse * high) -{ - mse * my_top; - mse * my_start; - size_t stack_size; - - if (high < low) return; - stack_size = high - low + 1; - GC_acquire_mark_lock(); - my_top = GC_mark_stack_top; /* Concurrent modification impossible. */ - my_start = my_top + 1; - if (my_start - GC_mark_stack + stack_size > GC_mark_stack_size) { - if (GC_print_stats) { - GC_log_printf("No room to copy back mark stack."); - } - GC_mark_state = MS_INVALID; - GC_mark_stack_too_small = TRUE; - /* We drop the local mark stack. We'll fix things later. */ - } else { - BCOPY(low, my_start, stack_size * sizeof(mse)); - GC_ASSERT((mse *)AO_load((volatile AO_t *)(&GC_mark_stack_top)) - == my_top); - AO_store_release_write((volatile AO_t *)(&GC_mark_stack_top), - (AO_t)(my_top + stack_size)); - /* Ensures visibility of previously written stack contents. */ - } - GC_release_mark_lock(); - GC_notify_all_marker(); -} - -/* Mark from the local mark stack. */ -/* On return, the local mark stack is empty. */ -/* But this may be achieved by copying the */ -/* local mark stack back into the global one. */ -void GC_do_local_mark(mse *local_mark_stack, mse *local_top) -{ - unsigned n; -# define N_LOCAL_ITERS 1 - -# ifdef GC_ASSERTIONS - /* Make sure we don't hold mark lock. */ - GC_acquire_mark_lock(); - GC_release_mark_lock(); -# endif - for (;;) { - for (n = 0; n < N_LOCAL_ITERS; ++n) { - local_top = GC_mark_from(local_top, local_mark_stack, - local_mark_stack + LOCAL_MARK_STACK_SIZE); - if (local_top < local_mark_stack) return; - if (local_top - local_mark_stack >= LOCAL_MARK_STACK_SIZE/2) { - GC_return_mark_stack(local_mark_stack, local_top); - return; - } - } - if ((mse *)AO_load((volatile AO_t *)(&GC_mark_stack_top)) - < (mse *)AO_load(&GC_first_nonempty) - && GC_active_count < GC_helper_count - && local_top > local_mark_stack + 1) { - /* Try to share the load, since the main stack is empty, */ - /* and helper threads are waiting for a refill. */ - /* The entries near the bottom of the stack are likely */ - /* to require more work. Thus we return those, eventhough */ - /* it's harder. */ - mse * new_bottom = local_mark_stack - + (local_top - local_mark_stack)/2; - GC_ASSERT(new_bottom > local_mark_stack - && new_bottom < local_top); - GC_return_mark_stack(local_mark_stack, new_bottom - 1); - memmove(local_mark_stack, new_bottom, - (local_top - new_bottom + 1) * sizeof(mse)); - local_top -= (new_bottom - local_mark_stack); - } - } -} - -#define ENTRIES_TO_GET 5 - -long GC_markers = 2; /* Normally changed by thread-library- */ - /* -specific code. */ - -/* Mark using the local mark stack until the global mark stack is empty */ -/* and there are no active workers. Update GC_first_nonempty to reflect */ -/* progress. */ -/* Caller does not hold mark lock. */ -/* Caller has already incremented GC_helper_count. We decrement it, */ -/* and maintain GC_active_count. */ -void GC_mark_local(mse *local_mark_stack, int id) -{ - mse * my_first_nonempty; - - GC_acquire_mark_lock(); - GC_active_count++; - my_first_nonempty = (mse *)AO_load(&GC_first_nonempty); - GC_ASSERT((mse *)AO_load(&GC_first_nonempty) >= GC_mark_stack && - (mse *)AO_load(&GC_first_nonempty) <= - (mse *)AO_load((volatile AO_t *)(&GC_mark_stack_top)) + 1); - if (GC_print_stats == VERBOSE) - GC_log_printf("Starting mark helper %lu\n", (unsigned long)id); - GC_release_mark_lock(); - for (;;) { - size_t n_on_stack; - size_t n_to_get; - mse * my_top; - mse * local_top; - mse * global_first_nonempty = (mse *)AO_load(&GC_first_nonempty); - - GC_ASSERT(my_first_nonempty >= GC_mark_stack && - my_first_nonempty <= - (mse *)AO_load((volatile AO_t *)(&GC_mark_stack_top)) + 1); - GC_ASSERT(global_first_nonempty >= GC_mark_stack && - global_first_nonempty <= - (mse *)AO_load((volatile AO_t *)(&GC_mark_stack_top)) + 1); - if (my_first_nonempty < global_first_nonempty) { - my_first_nonempty = global_first_nonempty; - } else if (global_first_nonempty < my_first_nonempty) { - AO_compare_and_swap(&GC_first_nonempty, - (AO_t) global_first_nonempty, - (AO_t) my_first_nonempty); - /* If this fails, we just go ahead, without updating */ - /* GC_first_nonempty. */ - } - /* Perhaps we should also update GC_first_nonempty, if it */ - /* is less. But that would require using atomic updates. */ - my_top = (mse *)AO_load_acquire((volatile AO_t *)(&GC_mark_stack_top)); - n_on_stack = my_top - my_first_nonempty + 1; - if (0 == n_on_stack) { - GC_acquire_mark_lock(); - my_top = GC_mark_stack_top; - /* Asynchronous modification impossible here, */ - /* since we hold mark lock. */ - n_on_stack = my_top - my_first_nonempty + 1; - if (0 == n_on_stack) { - GC_active_count--; - GC_ASSERT(GC_active_count <= GC_helper_count); - /* Other markers may redeposit objects */ - /* on the stack. */ - if (0 == GC_active_count) GC_notify_all_marker(); - while (GC_active_count > 0 - && (mse *)AO_load(&GC_first_nonempty) - > GC_mark_stack_top) { - /* We will be notified if either GC_active_count */ - /* reaches zero, or if more objects are pushed on */ - /* the global mark stack. */ - GC_wait_marker(); - } - if (GC_active_count == 0 && - (mse *)AO_load(&GC_first_nonempty) > GC_mark_stack_top) { - GC_bool need_to_notify = FALSE; - /* The above conditions can't be falsified while we */ - /* hold the mark lock, since neither */ - /* GC_active_count nor GC_mark_stack_top can */ - /* change. GC_first_nonempty can only be */ - /* incremented asynchronously. Thus we know that */ - /* both conditions actually held simultaneously. */ - GC_helper_count--; - if (0 == GC_helper_count) need_to_notify = TRUE; - if (GC_print_stats == VERBOSE) - GC_log_printf( - "Finished mark helper %lu\n", (unsigned long)id); - GC_release_mark_lock(); - if (need_to_notify) GC_notify_all_marker(); - return; - } - /* else there's something on the stack again, or */ - /* another helper may push something. */ - GC_active_count++; - GC_ASSERT(GC_active_count > 0); - GC_release_mark_lock(); - continue; - } else { - GC_release_mark_lock(); - } - } - n_to_get = ENTRIES_TO_GET; - if (n_on_stack < 2 * ENTRIES_TO_GET) n_to_get = 1; - local_top = GC_steal_mark_stack(my_first_nonempty, my_top, - local_mark_stack, n_to_get, - &my_first_nonempty); - GC_ASSERT(my_first_nonempty >= GC_mark_stack && - my_first_nonempty <= - (mse *)AO_load((volatile AO_t *)(&GC_mark_stack_top)) + 1); - GC_do_local_mark(local_mark_stack, local_top); - } -} - -/* Perform Parallel mark. */ -/* We hold the GC lock, not the mark lock. */ -/* Currently runs until the mark stack is */ -/* empty. */ -void GC_do_parallel_mark() -{ - mse local_mark_stack[LOCAL_MARK_STACK_SIZE]; - - GC_acquire_mark_lock(); - GC_ASSERT(I_HOLD_LOCK()); - /* This could be a GC_ASSERT, but it seems safer to keep it on */ - /* all the time, especially since it's cheap. */ - if (GC_help_wanted || GC_active_count != 0 || GC_helper_count != 0) - ABORT("Tried to start parallel mark in bad state"); - if (GC_print_stats == VERBOSE) - GC_log_printf("Starting marking for mark phase number %lu\n", - (unsigned long)GC_mark_no); - GC_first_nonempty = (AO_t)GC_mark_stack; - GC_active_count = 0; - GC_helper_count = 1; - GC_help_wanted = TRUE; - GC_release_mark_lock(); - GC_notify_all_marker(); - /* Wake up potential helpers. */ - GC_mark_local(local_mark_stack, 0); - GC_acquire_mark_lock(); - GC_help_wanted = FALSE; - /* Done; clean up. */ - while (GC_helper_count > 0) GC_wait_marker(); - /* GC_helper_count cannot be incremented while GC_help_wanted == FALSE */ - if (GC_print_stats == VERBOSE) - GC_log_printf( - "Finished marking for mark phase number %lu\n", - (unsigned long)GC_mark_no); - GC_mark_no++; - GC_release_mark_lock(); - GC_notify_all_marker(); -} - - -/* Try to help out the marker, if it's running. */ -/* We do not hold the GC lock, but the requestor does. */ -void GC_help_marker(word my_mark_no) -{ - mse local_mark_stack[LOCAL_MARK_STACK_SIZE]; - unsigned my_id; - - if (!GC_parallel) return; - GC_acquire_mark_lock(); - while (GC_mark_no < my_mark_no - || (!GC_help_wanted && GC_mark_no == my_mark_no)) { - GC_wait_marker(); - } - my_id = GC_helper_count; - if (GC_mark_no != my_mark_no || my_id >= GC_markers) { - /* Second test is useful only if original threads can also */ - /* act as helpers. Under Linux they can't. */ - GC_release_mark_lock(); - return; - } - GC_helper_count = my_id + 1; - GC_release_mark_lock(); - GC_mark_local(local_mark_stack, my_id); - /* GC_mark_local decrements GC_helper_count. */ -} - -#endif /* PARALLEL_MARK */ - -/* Allocate or reallocate space for mark stack of size n entries. */ -/* May silently fail. */ -static void alloc_mark_stack(size_t n) -{ - mse * new_stack = (mse *)GC_scratch_alloc(n * sizeof(struct GC_ms_entry)); -# ifdef GWW_VDB - /* Don't recycle a stack segment obtained with the wrong flags. */ - /* Win32 GetWriteWatch requires the right kind of memory. */ - static GC_bool GC_incremental_at_stack_alloc = 0; - GC_bool recycle_old = (!GC_incremental || GC_incremental_at_stack_alloc); - - GC_incremental_at_stack_alloc = GC_incremental; -# else -# define recycle_old 1 -# endif - - GC_mark_stack_too_small = FALSE; - if (GC_mark_stack_size != 0) { - if (new_stack != 0) { - if (recycle_old) { - /* Recycle old space */ - size_t page_offset = (word)GC_mark_stack & (GC_page_size - 1); - size_t size = GC_mark_stack_size * sizeof(struct GC_ms_entry); - size_t displ = 0; - - if (0 != page_offset) displ = GC_page_size - page_offset; - size = (size - displ) & ~(GC_page_size - 1); - if (size > 0) { - GC_add_to_heap((struct hblk *) - ((word)GC_mark_stack + displ), (word)size); - } - } - GC_mark_stack = new_stack; - GC_mark_stack_size = n; - GC_mark_stack_limit = new_stack + n; - if (GC_print_stats) { - GC_log_printf("Grew mark stack to %lu frames\n", - (unsigned long) GC_mark_stack_size); - } - } else { - if (GC_print_stats) { - GC_log_printf("Failed to grow mark stack to %lu frames\n", - (unsigned long) n); - } - } - } else { - if (new_stack == 0) { - GC_err_printf("No space for mark stack\n"); - EXIT(); - } - GC_mark_stack = new_stack; - GC_mark_stack_size = n; - GC_mark_stack_limit = new_stack + n; - } - GC_mark_stack_top = GC_mark_stack-1; -} - -void GC_mark_init() -{ - alloc_mark_stack(INITIAL_MARK_STACK_SIZE); -} - -/* - * Push all locations between b and t onto the mark stack. - * b is the first location to be checked. t is one past the last - * location to be checked. - * Should only be used if there is no possibility of mark stack - * overflow. - */ -void GC_push_all(ptr_t bottom, ptr_t top) -{ - register word length; - - bottom = (ptr_t)(((word) bottom + ALIGNMENT-1) & ~(ALIGNMENT-1)); - top = (ptr_t)(((word) top) & ~(ALIGNMENT-1)); - if (top == 0 || bottom == top) return; - GC_mark_stack_top++; - if (GC_mark_stack_top >= GC_mark_stack_limit) { - ABORT("unexpected mark stack overflow"); - } - length = top - bottom; -# if GC_DS_TAGS > ALIGNMENT - 1 - length += GC_DS_TAGS; - length &= ~GC_DS_TAGS; -# endif - GC_mark_stack_top -> mse_start = bottom; - GC_mark_stack_top -> mse_descr = length; -} - -/* - * Analogous to the above, but push only those pages h with dirty_fn(h) != 0. - * We use push_fn to actually push the block. - * Used both to selectively push dirty pages, or to push a block - * in piecemeal fashion, to allow for more marking concurrency. - * Will not overflow mark stack if push_fn pushes a small fixed number - * of entries. (This is invoked only if push_fn pushes a single entry, - * or if it marks each object before pushing it, thus ensuring progress - * in the event of a stack overflow.) - */ -void GC_push_selected(ptr_t bottom, ptr_t top, - int (*dirty_fn) (struct hblk *), - void (*push_fn) (ptr_t, ptr_t)) -{ - struct hblk * h; - - bottom = (ptr_t)(((word) bottom + ALIGNMENT-1) & ~(ALIGNMENT-1)); - top = (ptr_t)(((word) top) & ~(ALIGNMENT-1)); - - if (top == 0 || bottom == top) return; - h = HBLKPTR(bottom + HBLKSIZE); - if (top <= (ptr_t) h) { - if ((*dirty_fn)(h-1)) { - (*push_fn)(bottom, top); - } - return; - } - if ((*dirty_fn)(h-1)) { - (*push_fn)(bottom, (ptr_t)h); - } - while ((ptr_t)(h+1) <= top) { - if ((*dirty_fn)(h)) { - if ((word)(GC_mark_stack_top - GC_mark_stack) - > 3 * GC_mark_stack_size / 4) { - /* Danger of mark stack overflow */ - (*push_fn)((ptr_t)h, top); - return; - } else { - (*push_fn)((ptr_t)h, (ptr_t)(h+1)); - } - } - h++; - } - if ((ptr_t)h != top) { - if ((*dirty_fn)(h)) { - (*push_fn)((ptr_t)h, top); - } - } - if (GC_mark_stack_top >= GC_mark_stack_limit) { - ABORT("unexpected mark stack overflow"); - } -} - -# ifndef SMALL_CONFIG - -#ifdef PARALLEL_MARK - /* Break up root sections into page size chunks to better spread */ - /* out work. */ - GC_bool GC_true_func(struct hblk *h) { return TRUE; } -# define GC_PUSH_ALL(b,t) GC_push_selected(b,t,GC_true_func,GC_push_all); -#else -# define GC_PUSH_ALL(b,t) GC_push_all(b,t); -#endif - - -void GC_push_conditional(ptr_t bottom, ptr_t top, GC_bool all) -{ - if (all) { - if (GC_dirty_maintained) { -# ifdef PROC_VDB - /* Pages that were never dirtied cannot contain pointers */ - GC_push_selected(bottom, top, GC_page_was_ever_dirty, GC_push_all); -# else - GC_push_all(bottom, top); -# endif - } else { - GC_push_all(bottom, top); - } - } else { - GC_push_selected(bottom, top, GC_page_was_dirty, GC_push_all); - } -} -#endif - -# if defined(MSWIN32) || defined(MSWINCE) - void __cdecl GC_push_one(word p) -# else - void GC_push_one(word p) -# endif -{ - GC_PUSH_ONE_STACK((ptr_t)p, MARKED_FROM_REGISTER); -} - -struct GC_ms_entry *GC_mark_and_push(void *obj, - mse *mark_stack_ptr, - mse *mark_stack_limit, - void **src) -{ - hdr * hhdr; - - PREFETCH(obj); - GET_HDR(obj, hhdr); - if (EXPECT(IS_FORWARDING_ADDR_OR_NIL(hhdr),FALSE)) { - if (GC_all_interior_pointers) { - hhdr = GC_find_header(GC_base(obj)); - if (hhdr == 0) { - GC_ADD_TO_BLACK_LIST_NORMAL(obj, src); - return mark_stack_ptr; - } - } else { - GC_ADD_TO_BLACK_LIST_NORMAL(obj, src); - return mark_stack_ptr; - } - } - if (EXPECT(HBLK_IS_FREE(hhdr),0)) { - GC_ADD_TO_BLACK_LIST_NORMAL(obj, src); - return mark_stack_ptr; - } - - PUSH_CONTENTS_HDR(obj, mark_stack_ptr /* modified */, mark_stack_limit, - src, was_marked, hhdr, TRUE); - was_marked: - return mark_stack_ptr; -} - -/* Mark and push (i.e. gray) a single object p onto the main */ -/* mark stack. Consider p to be valid if it is an interior */ -/* pointer. */ -/* The object p has passed a preliminary pointer validity */ -/* test, but we do not definitely know whether it is valid. */ -/* Mark bits are NOT atomically updated. Thus this must be the */ -/* only thread setting them. */ -# if defined(PRINT_BLACK_LIST) || defined(KEEP_BACK_PTRS) - void GC_mark_and_push_stack(ptr_t p, ptr_t source) -# else - void GC_mark_and_push_stack(ptr_t p) -# define source 0 -# endif -{ - hdr * hhdr; - ptr_t r = p; - - PREFETCH(p); - GET_HDR(p, hhdr); - if (EXPECT(IS_FORWARDING_ADDR_OR_NIL(hhdr),FALSE)) { - if (hhdr != 0) { - r = GC_base(p); - hhdr = HDR(r); - } - if (hhdr == 0) { - GC_ADD_TO_BLACK_LIST_STACK(p, source); - return; - } - } - if (EXPECT(HBLK_IS_FREE(hhdr),0)) { - GC_ADD_TO_BLACK_LIST_NORMAL(p, src); - return; - } -# if defined(MANUAL_VDB) && defined(THREADS) - /* Pointer is on the stack. We may have dirtied the object */ - /* it points to, but not yet have called GC_dirty(); */ - GC_dirty(p); /* Implicitly affects entire object. */ -# endif - PUSH_CONTENTS_HDR(r, GC_mark_stack_top, GC_mark_stack_limit, - source, mark_and_push_exit, hhdr, FALSE); - mark_and_push_exit: ; - /* We silently ignore pointers to near the end of a block, */ - /* which is very mildly suboptimal. */ - /* FIXME: We should probably add a header word to address */ - /* this. */ -} - -# ifdef TRACE_BUF - -# define TRACE_ENTRIES 1000 - -struct trace_entry { - char * kind; - word gc_no; - word bytes_allocd; - word arg1; - word arg2; -} GC_trace_buf[TRACE_ENTRIES]; - -int GC_trace_buf_ptr = 0; - -void GC_add_trace_entry(char *kind, word arg1, word arg2) -{ - GC_trace_buf[GC_trace_buf_ptr].kind = kind; - GC_trace_buf[GC_trace_buf_ptr].gc_no = GC_gc_no; - GC_trace_buf[GC_trace_buf_ptr].bytes_allocd = GC_bytes_allocd; - GC_trace_buf[GC_trace_buf_ptr].arg1 = arg1 ^ 0x80000000; - GC_trace_buf[GC_trace_buf_ptr].arg2 = arg2 ^ 0x80000000; - GC_trace_buf_ptr++; - if (GC_trace_buf_ptr >= TRACE_ENTRIES) GC_trace_buf_ptr = 0; -} - -void GC_print_trace(word gc_no, GC_bool lock) -{ - int i; - struct trace_entry *p; - - if (lock) LOCK(); - for (i = GC_trace_buf_ptr-1; i != GC_trace_buf_ptr; i--) { - if (i < 0) i = TRACE_ENTRIES-1; - p = GC_trace_buf + i; - if (p -> gc_no < gc_no || p -> kind == 0) return; - printf("Trace:%s (gc:%d,bytes:%d) 0x%X, 0x%X\n", - p -> kind, p -> gc_no, p -> bytes_allocd, - (p -> arg1) ^ 0x80000000, (p -> arg2) ^ 0x80000000); - } - printf("Trace incomplete\n"); - if (lock) UNLOCK(); -} - -# endif /* TRACE_BUF */ - -/* - * A version of GC_push_all that treats all interior pointers as valid - * and scans the entire region immediately, in case the contents - * change. - */ -void GC_push_all_eager(ptr_t bottom, ptr_t top) -{ - word * b = (word *)(((word) bottom + ALIGNMENT-1) & ~(ALIGNMENT-1)); - word * t = (word *)(((word) top) & ~(ALIGNMENT-1)); - register word *p; - register ptr_t q; - register word *lim; - register ptr_t greatest_ha = GC_greatest_plausible_heap_addr; - register ptr_t least_ha = GC_least_plausible_heap_addr; -# define GC_greatest_plausible_heap_addr greatest_ha -# define GC_least_plausible_heap_addr least_ha - - if (top == 0) return; - /* check all pointers in range and push if they appear */ - /* to be valid. */ - lim = t - 1 /* longword */; - for (p = b; p <= lim; p = (word *)(((ptr_t)p) + ALIGNMENT)) { - q = (ptr_t)(*p); - GC_PUSH_ONE_STACK((ptr_t)q, p); - } -# undef GC_greatest_plausible_heap_addr -# undef GC_least_plausible_heap_addr -} - -#ifndef THREADS -/* - * A version of GC_push_all that treats all interior pointers as valid - * and scans part of the area immediately, to make sure that saved - * register values are not lost. - * Cold_gc_frame delimits the stack section that must be scanned - * eagerly. A zero value indicates that no eager scanning is needed. - * We don't need to worry about the MANUAL_VDB case here, since this - * is only called in the single-threaded case. We assume that we - * cannot collect between an assignment and the corresponding - * GC_dirty() call. - */ -void GC_push_all_stack_partially_eager(ptr_t bottom, ptr_t top, - ptr_t cold_gc_frame) -{ - if (!NEED_FIXUP_POINTER && GC_all_interior_pointers) { - /* Push the hot end of the stack eagerly, so that register values */ - /* saved inside GC frames are marked before they disappear. */ - /* The rest of the marking can be deferred until later. */ - if (0 == cold_gc_frame) { - GC_push_all_stack(bottom, top); - return; - } - GC_ASSERT(bottom <= cold_gc_frame && cold_gc_frame <= top); -# ifdef STACK_GROWS_DOWN - GC_push_all(cold_gc_frame - sizeof(ptr_t), top); - GC_push_all_eager(bottom, cold_gc_frame); -# else /* STACK_GROWS_UP */ - GC_push_all(bottom, cold_gc_frame + sizeof(ptr_t)); - GC_push_all_eager(cold_gc_frame, top); -# endif /* STACK_GROWS_UP */ - } else { - GC_push_all_eager(bottom, top); - } -# ifdef TRACE_BUF - GC_add_trace_entry("GC_push_all_stack", bottom, top); -# endif -} -#endif /* !THREADS */ - -void GC_push_all_stack(ptr_t bottom, ptr_t top) -{ -# if defined(THREADS) && defined(MPROTECT_VDB) - GC_push_all_eager(bottom, top); -# else - if (!NEED_FIXUP_POINTER && GC_all_interior_pointers) { - GC_push_all(bottom, top); - } else { - GC_push_all_eager(bottom, top); - } -# endif -} - -#if !defined(SMALL_CONFIG) && !defined(USE_MARK_BYTES) && \ - defined(MARK_BIT_PER_GRANULE) -# if GC_GRANULE_WORDS == 1 -# define USE_PUSH_MARKED_ACCELERATORS -# define PUSH_GRANULE(q) \ - { ptr_t qcontents = (ptr_t)((q)[0]); \ - GC_PUSH_ONE_HEAP(qcontents, (q)); } -# elif GC_GRANULE_WORDS == 2 -# define USE_PUSH_MARKED_ACCELERATORS -# define PUSH_GRANULE(q) \ - { ptr_t qcontents = (ptr_t)((q)[0]); \ - GC_PUSH_ONE_HEAP(qcontents, (q)); \ - qcontents = (ptr_t)((q)[1]); \ - GC_PUSH_ONE_HEAP(qcontents, (q)+1); } -# elif GC_GRANULE_WORDS == 4 -# define USE_PUSH_MARKED_ACCELERATORS -# define PUSH_GRANULE(q) \ - { ptr_t qcontents = (ptr_t)((q)[0]); \ - GC_PUSH_ONE_HEAP(qcontents, (q)); \ - qcontents = (ptr_t)((q)[1]); \ - GC_PUSH_ONE_HEAP(qcontents, (q)+1); \ - qcontents = (ptr_t)((q)[2]); \ - GC_PUSH_ONE_HEAP(qcontents, (q)+2); \ - qcontents = (ptr_t)((q)[3]); \ - GC_PUSH_ONE_HEAP(qcontents, (q)+3); } -# endif -#endif - -#ifdef USE_PUSH_MARKED_ACCELERATORS -/* Push all objects reachable from marked objects in the given block */ -/* containing objects of size 1 granule. */ -void GC_push_marked1(struct hblk *h, hdr *hhdr) -{ - word * mark_word_addr = &(hhdr->hb_marks[0]); - word *p; - word *plim; - word *q; - word mark_word; - - /* Allow registers to be used for some frequently acccessed */ - /* global variables. Otherwise aliasing issues are likely */ - /* to prevent that. */ - ptr_t greatest_ha = GC_greatest_plausible_heap_addr; - ptr_t least_ha = GC_least_plausible_heap_addr; - mse * mark_stack_top = GC_mark_stack_top; - mse * mark_stack_limit = GC_mark_stack_limit; -# define GC_mark_stack_top mark_stack_top -# define GC_mark_stack_limit mark_stack_limit -# define GC_greatest_plausible_heap_addr greatest_ha -# define GC_least_plausible_heap_addr least_ha - - p = (word *)(h->hb_body); - plim = (word *)(((word)h) + HBLKSIZE); - - /* go through all words in block */ - while( p < plim ) { - mark_word = *mark_word_addr++; - q = p; - while(mark_word != 0) { - if (mark_word & 1) { - PUSH_GRANULE(q); - } - q += GC_GRANULE_WORDS; - mark_word >>= 1; - } - p += WORDSZ*GC_GRANULE_WORDS; - } - -# undef GC_greatest_plausible_heap_addr -# undef GC_least_plausible_heap_addr -# undef GC_mark_stack_top -# undef GC_mark_stack_limit - - GC_mark_stack_top = mark_stack_top; -} - - -#ifndef UNALIGNED - -/* Push all objects reachable from marked objects in the given block */ -/* of size 2 (granules) objects. */ -void GC_push_marked2(struct hblk *h, hdr *hhdr) -{ - word * mark_word_addr = &(hhdr->hb_marks[0]); - word *p; - word *plim; - word *q; - word mark_word; - - ptr_t greatest_ha = GC_greatest_plausible_heap_addr; - ptr_t least_ha = GC_least_plausible_heap_addr; - mse * mark_stack_top = GC_mark_stack_top; - mse * mark_stack_limit = GC_mark_stack_limit; - -# define GC_mark_stack_top mark_stack_top -# define GC_mark_stack_limit mark_stack_limit -# define GC_greatest_plausible_heap_addr greatest_ha -# define GC_least_plausible_heap_addr least_ha - - p = (word *)(h->hb_body); - plim = (word *)(((word)h) + HBLKSIZE); - - /* go through all words in block */ - while( p < plim ) { - mark_word = *mark_word_addr++; - q = p; - while(mark_word != 0) { - if (mark_word & 1) { - PUSH_GRANULE(q); - PUSH_GRANULE(q + GC_GRANULE_WORDS); - } - q += 2 * GC_GRANULE_WORDS; - mark_word >>= 2; - } - p += WORDSZ*GC_GRANULE_WORDS; - } - -# undef GC_greatest_plausible_heap_addr -# undef GC_least_plausible_heap_addr -# undef GC_mark_stack_top -# undef GC_mark_stack_limit - - GC_mark_stack_top = mark_stack_top; -} - -# if GC_GRANULE_WORDS < 4 -/* Push all objects reachable from marked objects in the given block */ -/* of size 4 (granules) objects. */ -/* There is a risk of mark stack overflow here. But we handle that. */ -/* And only unmarked objects get pushed, so it's not very likely. */ -void GC_push_marked4(struct hblk *h, hdr *hhdr) -{ - word * mark_word_addr = &(hhdr->hb_marks[0]); - word *p; - word *plim; - word *q; - word mark_word; - - ptr_t greatest_ha = GC_greatest_plausible_heap_addr; - ptr_t least_ha = GC_least_plausible_heap_addr; - mse * mark_stack_top = GC_mark_stack_top; - mse * mark_stack_limit = GC_mark_stack_limit; -# define GC_mark_stack_top mark_stack_top -# define GC_mark_stack_limit mark_stack_limit -# define GC_greatest_plausible_heap_addr greatest_ha -# define GC_least_plausible_heap_addr least_ha - - p = (word *)(h->hb_body); - plim = (word *)(((word)h) + HBLKSIZE); - - /* go through all words in block */ - while( p < plim ) { - mark_word = *mark_word_addr++; - q = p; - while(mark_word != 0) { - if (mark_word & 1) { - PUSH_GRANULE(q); - PUSH_GRANULE(q + GC_GRANULE_WORDS); - PUSH_GRANULE(q + 2*GC_GRANULE_WORDS); - PUSH_GRANULE(q + 3*GC_GRANULE_WORDS); - } - q += 4 * GC_GRANULE_WORDS; - mark_word >>= 4; - } - p += WORDSZ*GC_GRANULE_WORDS; - } -# undef GC_greatest_plausible_heap_addr -# undef GC_least_plausible_heap_addr -# undef GC_mark_stack_top -# undef GC_mark_stack_limit - GC_mark_stack_top = mark_stack_top; -} - -#endif /* GC_GRANULE_WORDS < 4 */ - -#endif /* UNALIGNED */ - -#endif /* USE_PUSH_MARKED_ACCELERATORS */ - -/* Push all objects reachable from marked objects in the given block */ -void GC_push_marked(struct hblk *h, hdr *hhdr) -{ - size_t sz = hhdr -> hb_sz; - word descr = hhdr -> hb_descr; - ptr_t p; - word bit_no; - ptr_t lim; - mse * GC_mark_stack_top_reg; - mse * mark_stack_limit = GC_mark_stack_limit; - - /* Some quick shortcuts: */ - if ((0 | GC_DS_LENGTH) == descr) return; - if (GC_block_empty(hhdr)/* nothing marked */) return; - GC_n_rescuing_pages++; - GC_objects_are_marked = TRUE; - if (sz > MAXOBJBYTES) { - lim = h -> hb_body; - } else { - lim = (h + 1)->hb_body - sz; - } - - switch(BYTES_TO_GRANULES(sz)) { -# if defined(USE_PUSH_MARKED_ACCELERATORS) - case 1: - GC_push_marked1(h, hhdr); - break; -# if !defined(UNALIGNED) - case 2: - GC_push_marked2(h, hhdr); - break; -# if GC_GRANULE_WORDS < 4 - case 4: - GC_push_marked4(h, hhdr); - break; -# endif -# endif -# endif - default: - GC_mark_stack_top_reg = GC_mark_stack_top; - for (p = h -> hb_body, bit_no = 0; p <= lim; - p += sz, bit_no += MARK_BIT_OFFSET(sz)) { - if (mark_bit_from_hdr(hhdr, bit_no)) { - /* Mark from fields inside the object */ - PUSH_OBJ(p, hhdr, GC_mark_stack_top_reg, mark_stack_limit); - } - } - GC_mark_stack_top = GC_mark_stack_top_reg; - } -} - -#ifndef SMALL_CONFIG -/* Test whether any page in the given block is dirty */ -GC_bool GC_block_was_dirty(struct hblk *h, hdr *hhdr) -{ - size_t sz = hhdr -> hb_sz; - - if (sz <= MAXOBJBYTES) { - return(GC_page_was_dirty(h)); - } else { - ptr_t p = (ptr_t)h; - while (p < (ptr_t)h + sz) { - if (GC_page_was_dirty((struct hblk *)p)) return(TRUE); - p += HBLKSIZE; - } - return(FALSE); - } -} -#endif /* SMALL_CONFIG */ - -/* Similar to GC_push_marked, but skip over unallocated blocks */ -/* and return address of next plausible block. */ -struct hblk * GC_push_next_marked(struct hblk *h) -{ - hdr * hhdr = HDR(h); - - if (EXPECT(IS_FORWARDING_ADDR_OR_NIL(hhdr), FALSE)) { - h = GC_next_used_block(h); - if (h == 0) return(0); - hhdr = GC_find_header((ptr_t)h); - } - GC_push_marked(h, hhdr); - return(h + OBJ_SZ_TO_BLOCKS(hhdr -> hb_sz)); -} - -#ifndef SMALL_CONFIG -/* Identical to above, but mark only from dirty pages */ -struct hblk * GC_push_next_marked_dirty(struct hblk *h) -{ - hdr * hhdr = HDR(h); - - if (!GC_dirty_maintained) { ABORT("dirty bits not set up"); } - for (;;) { - if (EXPECT(IS_FORWARDING_ADDR_OR_NIL(hhdr), FALSE)) { - h = GC_next_used_block(h); - if (h == 0) return(0); - hhdr = GC_find_header((ptr_t)h); - } -# ifdef STUBBORN_ALLOC - if (hhdr -> hb_obj_kind == STUBBORN) { - if (GC_page_was_changed(h) && GC_block_was_dirty(h, hhdr)) { - break; - } - } else { - if (GC_block_was_dirty(h, hhdr)) break; - } -# else - if (GC_block_was_dirty(h, hhdr)) break; -# endif - h += OBJ_SZ_TO_BLOCKS(hhdr -> hb_sz); - hhdr = HDR(h); - } - GC_push_marked(h, hhdr); - return(h + OBJ_SZ_TO_BLOCKS(hhdr -> hb_sz)); -} -#endif - -/* Similar to above, but for uncollectable pages. Needed since we */ -/* do not clear marks for such pages, even for full collections. */ -struct hblk * GC_push_next_marked_uncollectable(struct hblk *h) -{ - hdr * hhdr = HDR(h); - - for (;;) { - if (EXPECT(IS_FORWARDING_ADDR_OR_NIL(hhdr), FALSE)) { - h = GC_next_used_block(h); - if (h == 0) return(0); - hhdr = GC_find_header((ptr_t)h); - } - if (hhdr -> hb_obj_kind == UNCOLLECTABLE) break; - h += OBJ_SZ_TO_BLOCKS(hhdr -> hb_sz); - hhdr = HDR(h); - } - GC_push_marked(h, hhdr); - return(h + OBJ_SZ_TO_BLOCKS(hhdr -> hb_sz)); -} - diff --git a/vendor/gc/mark_rts.c b/vendor/gc/mark_rts.c deleted file mode 100644 index 1c81f58..0000000 --- a/vendor/gc/mark_rts.c +++ /dev/null @@ -1,621 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -# include -# include "private/gc_priv.h" - -/* Data structure for list of root sets. */ -/* We keep a hash table, so that we can filter out duplicate additions. */ -/* Under Win32, we need to do a better job of filtering overlaps, so */ -/* we resort to sequential search, and pay the price. */ -/* This is really declared in gc_priv.h: -struct roots { - ptr_t r_start; - ptr_t r_end; - # if !defined(MSWIN32) && !defined(MSWINCE) - struct roots * r_next; - # endif - GC_bool r_tmp; - -- Delete before registering new dynamic libraries -}; - -struct roots GC_static_roots[MAX_ROOT_SETS]; -*/ - -int GC_no_dls = 0; /* Register dynamic library data segments. */ - -static int n_root_sets = 0; - - /* GC_static_roots[0..n_root_sets) contains the valid root sets. */ - -# if !defined(NO_DEBUGGING) -/* For debugging: */ -void GC_print_static_roots(void) -{ - register int i; - size_t total = 0; - - for (i = 0; i < n_root_sets; i++) { - GC_printf("From %p to %p ", - GC_static_roots[i].r_start, - GC_static_roots[i].r_end); - if (GC_static_roots[i].r_tmp) { - GC_printf(" (temporary)\n"); - } else { - GC_printf("\n"); - } - total += GC_static_roots[i].r_end - GC_static_roots[i].r_start; - } - GC_printf("Total size: %ld\n", (unsigned long) total); - if (GC_root_size != total) { - GC_printf("GC_root_size incorrect: %ld!!\n", - (unsigned long) GC_root_size); - } -} -# endif /* NO_DEBUGGING */ - -/* Primarily for debugging support: */ -/* Is the address p in one of the registered static */ -/* root sections? */ -GC_bool GC_is_static_root(ptr_t p) -{ - static int last_root_set = MAX_ROOT_SETS; - register int i; - - - if (last_root_set < n_root_sets - && p >= GC_static_roots[last_root_set].r_start - && p < GC_static_roots[last_root_set].r_end) return(TRUE); - for (i = 0; i < n_root_sets; i++) { - if (p >= GC_static_roots[i].r_start - && p < GC_static_roots[i].r_end) { - last_root_set = i; - return(TRUE); - } - } - return(FALSE); -} - -#if !defined(MSWIN32) && !defined(MSWINCE) -/* -# define LOG_RT_SIZE 6 -# define RT_SIZE (1 << LOG_RT_SIZE) -- Power of 2, may be != MAX_ROOT_SETS - - struct roots * GC_root_index[RT_SIZE]; - -- Hash table header. Used only to check whether a range is - -- already present. - -- really defined in gc_priv.h -*/ - -static INLINE int rt_hash(ptr_t addr) -{ - word result = (word) addr; -# if CPP_WORDSZ > 8*LOG_RT_SIZE - result ^= result >> 8*LOG_RT_SIZE; -# endif -# if CPP_WORDSZ > 4*LOG_RT_SIZE - result ^= result >> 4*LOG_RT_SIZE; -# endif - result ^= result >> 2*LOG_RT_SIZE; - result ^= result >> LOG_RT_SIZE; - result &= (RT_SIZE-1); - return(result); -} - -/* Is a range starting at b already in the table? If so return a */ -/* pointer to it, else NIL. */ -struct roots * GC_roots_present(ptr_t b) -{ - int h = rt_hash(b); - struct roots *p = GC_root_index[h]; - - while (p != 0) { - if (p -> r_start == (ptr_t)b) return(p); - p = p -> r_next; - } - return(FALSE); -} - -/* Add the given root structure to the index. */ -static void add_roots_to_index(struct roots *p) -{ - int h = rt_hash(p -> r_start); - - p -> r_next = GC_root_index[h]; - GC_root_index[h] = p; -} - -# else /* MSWIN32 || MSWINCE */ - -# define add_roots_to_index(p) - -# endif - - - - -word GC_root_size = 0; - -void GC_add_roots(void *b, void *e) -{ - DCL_LOCK_STATE; - - if (!GC_is_initialized) GC_init(); - LOCK(); - GC_add_roots_inner((ptr_t)b, (ptr_t)e, FALSE); - UNLOCK(); -} - - -/* Add [b,e) to the root set. Adding the same interval a second time */ -/* is a moderately fast noop, and hence benign. We do not handle */ -/* different but overlapping intervals efficiently. (We do handle */ -/* them correctly.) */ -/* Tmp specifies that the interval may be deleted before */ -/* reregistering dynamic libraries. */ -void GC_add_roots_inner(ptr_t b, ptr_t e, GC_bool tmp) -{ - struct roots * old; - -# if defined(MSWIN32) || defined(MSWINCE) - /* Spend the time to ensure that there are no overlapping */ - /* or adjacent intervals. */ - /* This could be done faster with e.g. a */ - /* balanced tree. But the execution time here is */ - /* virtually guaranteed to be dominated by the time it */ - /* takes to scan the roots. */ - { - register int i; - - for (i = 0; i < n_root_sets; i++) { - old = GC_static_roots + i; - if (b <= old -> r_end && e >= old -> r_start) { - if (b < old -> r_start) { - old -> r_start = b; - GC_root_size += (old -> r_start - b); - } - if (e > old -> r_end) { - old -> r_end = e; - GC_root_size += (e - old -> r_end); - } - old -> r_tmp &= tmp; - break; - } - } - if (i < n_root_sets) { - /* merge other overlapping intervals */ - struct roots *other; - - for (i++; i < n_root_sets; i++) { - other = GC_static_roots + i; - b = other -> r_start; - e = other -> r_end; - if (b <= old -> r_end && e >= old -> r_start) { - if (b < old -> r_start) { - old -> r_start = b; - GC_root_size += (old -> r_start - b); - } - if (e > old -> r_end) { - old -> r_end = e; - GC_root_size += (e - old -> r_end); - } - old -> r_tmp &= other -> r_tmp; - /* Delete this entry. */ - GC_root_size -= (other -> r_end - other -> r_start); - other -> r_start = GC_static_roots[n_root_sets-1].r_start; - other -> r_end = GC_static_roots[n_root_sets-1].r_end; - n_root_sets--; - } - } - return; - } - } -# else - old = GC_roots_present(b); - if (old != 0) { - if (e <= old -> r_end) /* already there */ return; - /* else extend */ - GC_root_size += e - old -> r_end; - old -> r_end = e; - return; - } -# endif - if (n_root_sets == MAX_ROOT_SETS) { - ABORT("Too many root sets\n"); - } - GC_static_roots[n_root_sets].r_start = (ptr_t)b; - GC_static_roots[n_root_sets].r_end = (ptr_t)e; - GC_static_roots[n_root_sets].r_tmp = tmp; -# if !defined(MSWIN32) && !defined(MSWINCE) - GC_static_roots[n_root_sets].r_next = 0; -# endif - add_roots_to_index(GC_static_roots + n_root_sets); - GC_root_size += e - b; - n_root_sets++; -} - -static GC_bool roots_were_cleared = FALSE; - -void GC_clear_roots (void) -{ - DCL_LOCK_STATE; - - if (!GC_is_initialized) GC_init(); - LOCK(); - roots_were_cleared = TRUE; - n_root_sets = 0; - GC_root_size = 0; -# if !defined(MSWIN32) && !defined(MSWINCE) - { - register int i; - - for (i = 0; i < RT_SIZE; i++) GC_root_index[i] = 0; - } -# endif - UNLOCK(); -} - -/* Internal use only; lock held. */ -static void GC_remove_root_at_pos(int i) -{ - GC_root_size -= (GC_static_roots[i].r_end - GC_static_roots[i].r_start); - GC_static_roots[i].r_start = GC_static_roots[n_root_sets-1].r_start; - GC_static_roots[i].r_end = GC_static_roots[n_root_sets-1].r_end; - GC_static_roots[i].r_tmp = GC_static_roots[n_root_sets-1].r_tmp; - n_root_sets--; -} - -#if !defined(MSWIN32) && !defined(MSWINCE) -static void GC_rebuild_root_index(void) -{ - int i; - - for (i = 0; i < RT_SIZE; i++) GC_root_index[i] = 0; - for (i = 0; i < n_root_sets; i++) - add_roots_to_index(GC_static_roots + i); -} -#endif - -/* Internal use only; lock held. */ -void GC_remove_tmp_roots(void) -{ - int i; - - for (i = 0; i < n_root_sets; ) { - if (GC_static_roots[i].r_tmp) { - GC_remove_root_at_pos(i); - } else { - i++; - } - } - #if !defined(MSWIN32) && !defined(MSWINCE) - GC_rebuild_root_index(); - #endif -} - -#if !defined(MSWIN32) && !defined(MSWINCE) -void GC_remove_roots(void *b, void *e) -{ - DCL_LOCK_STATE; - - LOCK(); - GC_remove_roots_inner((ptr_t)b, (ptr_t)e); - UNLOCK(); -} - -/* Should only be called when the lock is held */ -void GC_remove_roots_inner(ptr_t b, ptr_t e) -{ - int i; - for (i = 0; i < n_root_sets; ) { - if (GC_static_roots[i].r_start >= b - && GC_static_roots[i].r_end <= e) { - GC_remove_root_at_pos(i); - } else { - i++; - } - } - GC_rebuild_root_index(); -} -#endif /* !defined(MSWIN32) && !defined(MSWINCE) */ - -#if defined(MSWIN32) || defined(_WIN32_WCE_EMULATION) -/* Workaround for the OS mapping and unmapping behind our back: */ -/* Is the address p in one of the temporary static root sections? */ -GC_bool GC_is_tmp_root(ptr_t p) -{ - static int last_root_set = MAX_ROOT_SETS; - register int i; - - if (last_root_set < n_root_sets - && p >= GC_static_roots[last_root_set].r_start - && p < GC_static_roots[last_root_set].r_end) - return GC_static_roots[last_root_set].r_tmp; - for (i = 0; i < n_root_sets; i++) { - if (p >= GC_static_roots[i].r_start - && p < GC_static_roots[i].r_end) { - last_root_set = i; - return GC_static_roots[i].r_tmp; - } - } - return(FALSE); -} -#endif /* MSWIN32 || _WIN32_WCE_EMULATION */ - -ptr_t GC_approx_sp(void) -{ - volatile word dummy; - - dummy = 42; /* Force stack to grow if necessary. Otherwise the */ - /* later accesses might cause the kernel to think we're */ - /* doing something wrong. */ -# ifdef _MSC_VER -# pragma warning(disable:4172) -# endif - return((ptr_t)(&dummy)); -# ifdef _MSC_VER -# pragma warning(default:4172) -# endif -} - -/* - * Data structure for excluded static roots. - * Real declaration is in gc_priv.h. - -struct exclusion { - ptr_t e_start; - ptr_t e_end; -}; - -struct exclusion GC_excl_table[MAX_EXCLUSIONS]; - -- Array of exclusions, ascending - -- address order. -*/ - -size_t GC_excl_table_entries = 0; /* Number of entries in use. */ - -/* Return the first exclusion range that includes an address >= start_addr */ -/* Assumes the exclusion table contains at least one entry (namely the */ -/* GC data structures). */ -struct exclusion * GC_next_exclusion(ptr_t start_addr) -{ - size_t low = 0; - size_t high = GC_excl_table_entries - 1; - size_t mid; - - while (high > low) { - mid = (low + high) >> 1; - /* low <= mid < high */ - if ((word) GC_excl_table[mid].e_end <= (word) start_addr) { - low = mid + 1; - } else { - high = mid; - } - } - if ((word) GC_excl_table[low].e_end <= (word) start_addr) return 0; - return GC_excl_table + low; -} - -void GC_exclude_static_roots(void *start, void *finish) -{ - struct exclusion * next; - size_t next_index, i; - - if (0 == GC_excl_table_entries) { - next = 0; - } else { - next = GC_next_exclusion(start); - } - if (0 != next) { - if ((word)(next -> e_start) < (word) finish) { - /* incomplete error check. */ - ABORT("exclusion ranges overlap"); - } - if ((word)(next -> e_start) == (word) finish) { - /* extend old range backwards */ - next -> e_start = (ptr_t)start; - return; - } - next_index = next - GC_excl_table; - for (i = GC_excl_table_entries; i > next_index; --i) { - GC_excl_table[i] = GC_excl_table[i-1]; - } - } else { - next_index = GC_excl_table_entries; - } - if (GC_excl_table_entries == MAX_EXCLUSIONS) ABORT("Too many exclusions"); - GC_excl_table[next_index].e_start = (ptr_t)start; - GC_excl_table[next_index].e_end = (ptr_t)finish; - ++GC_excl_table_entries; -} - -/* Invoke push_conditional on ranges that are not excluded. */ -void GC_push_conditional_with_exclusions(ptr_t bottom, ptr_t top, GC_bool all) -{ - struct exclusion * next; - ptr_t excl_start; - - while (bottom < top) { - next = GC_next_exclusion(bottom); - if (0 == next || (excl_start = next -> e_start) >= top) { - GC_push_conditional(bottom, top, all); - return; - } - if (excl_start > bottom) GC_push_conditional(bottom, excl_start, all); - bottom = next -> e_end; - } -} - -/* - * In the absence of threads, push the stack contents. - * In the presence of threads, push enough of the current stack - * to ensure that callee-save registers saved in collector frames have been - * seen. - * FIXME: Merge with per-thread stuff. - */ -void GC_push_current_stack(ptr_t cold_gc_frame, void * context) -{ -# if defined(THREADS) - if (0 == cold_gc_frame) return; -# ifdef STACK_GROWS_DOWN - GC_push_all_eager(GC_approx_sp(), cold_gc_frame); - /* For IA64, the register stack backing store is handled */ - /* in the thread-specific code. */ -# else - GC_push_all_eager( cold_gc_frame, GC_approx_sp() ); -# endif -# else -# ifdef STACK_GROWS_DOWN - GC_push_all_stack_partially_eager( GC_approx_sp(), GC_stackbottom, - cold_gc_frame ); -# ifdef IA64 - /* We also need to push the register stack backing store. */ - /* This should really be done in the same way as the */ - /* regular stack. For now we fudge it a bit. */ - /* Note that the backing store grows up, so we can't use */ - /* GC_push_all_stack_partially_eager. */ - { - extern word GC_save_regs_ret_val; - /* Previously set to backing store pointer. */ - ptr_t bsp = (ptr_t) GC_save_regs_ret_val; - ptr_t cold_gc_bs_pointer; - if (GC_all_interior_pointers) { - cold_gc_bs_pointer = bsp - 2048; - if (cold_gc_bs_pointer < BACKING_STORE_BASE) { - cold_gc_bs_pointer = BACKING_STORE_BASE; - } else { - GC_push_all_stack(BACKING_STORE_BASE, cold_gc_bs_pointer); - } - } else { - cold_gc_bs_pointer = BACKING_STORE_BASE; - } - GC_push_all_eager(cold_gc_bs_pointer, bsp); - /* All values should be sufficiently aligned that we */ - /* dont have to worry about the boundary. */ - } -# endif -# else - GC_push_all_stack_partially_eager( GC_stackbottom, GC_approx_sp(), - cold_gc_frame ); -# endif -# endif /* !THREADS */ -} - -void (*GC_push_typed_structures) (void) = NULL; - -/* - * Push GC internal roots. Only called if there is some reason to believe - * these would not otherwise get registered. - */ -void GC_push_gc_structures(void) -{ - GC_push_finalizer_structures(); -# if defined(THREADS) - GC_push_thread_structures(); -# endif - if( GC_push_typed_structures ) - GC_push_typed_structures(); -} - -#ifdef THREAD_LOCAL_ALLOC - void GC_mark_thread_local_free_lists(void); -#endif - -void GC_cond_register_dynamic_libraries(void) -{ -# if defined(DYNAMIC_LOADING) || defined(MSWIN32) || defined(MSWINCE) \ - || defined(PCR) - GC_remove_tmp_roots(); - if (!GC_no_dls) GC_register_dynamic_libraries(); -# else - GC_no_dls = TRUE; -# endif -} - -/* - * Call the mark routines (GC_tl_push for a single pointer, GC_push_conditional - * on groups of pointers) on every top level accessible pointer. - * If all is FALSE, arrange to push only possibly altered values. - * Cold_gc_frame is an address inside a GC frame that - * remains valid until all marking is complete. - * A zero value indicates that it's OK to miss some - * register values. - */ -void GC_push_roots(GC_bool all, ptr_t cold_gc_frame) -{ - int i; - unsigned kind; - - /* - * Next push static data. This must happen early on, since it's - * not robust against mark stack overflow. - */ - /* Reregister dynamic libraries, in case one got added. */ - /* There is some argument for doing this as late as possible, */ - /* especially on win32, where it can change asynchronously. */ - /* In those cases, we do it here. But on other platforms, it's */ - /* not safe with the world stopped, so we do it earlier. */ -# if !defined(REGISTER_LIBRARIES_EARLY) - GC_cond_register_dynamic_libraries(); -# endif - - /* Mark everything in static data areas */ - for (i = 0; i < n_root_sets; i++) { - GC_push_conditional_with_exclusions( - GC_static_roots[i].r_start, - GC_static_roots[i].r_end, all); - } - - /* Mark all free list header blocks, if those were allocated from */ - /* the garbage collected heap. This makes sure they don't */ - /* disappear if we are not marking from static data. It also */ - /* saves us the trouble of scanning them, and possibly that of */ - /* marking the freelists. */ - for (kind = 0; kind < GC_n_kinds; kind++) { - void *base = GC_base(GC_obj_kinds[kind].ok_freelist); - if (0 != base) { - GC_set_mark_bit(base); - } - } - - /* Mark from GC internal roots if those might otherwise have */ - /* been excluded. */ - if (GC_no_dls || roots_were_cleared) { - GC_push_gc_structures(); - } - - /* Mark thread local free lists, even if their mark */ - /* descriptor excludes the link field. */ - /* If the world is not stopped, this is unsafe. It is */ - /* also unnecessary, since we will do this again with the */ - /* world stopped. */ -# if defined(THREAD_LOCAL_ALLOC) - if (GC_world_stopped) GC_mark_thread_local_free_lists(); -# endif - - /* - * Now traverse stacks, and mark from register contents. - * These must be done last, since they can legitimately overflow - * the mark stack. - * This is usually done by saving the current context on the - * stack, and then just tracing from the stack. - */ - GC_push_regs_and_stack(cold_gc_frame); - - if (GC_push_other_roots != 0) (*GC_push_other_roots)(); - /* In the threads case, this also pushes thread stacks. */ - /* Note that without interior pointer recognition lots */ - /* of stuff may have been pushed already, and this */ - /* should be careful about mark stack overflows. */ -} - diff --git a/vendor/gc/mips_sgi_mach_dep.s b/vendor/gc/mips_sgi_mach_dep.s deleted file mode 100644 index 5639028..0000000 --- a/vendor/gc/mips_sgi_mach_dep.s +++ /dev/null @@ -1,46 +0,0 @@ -#include -#include -/* This file must be preprocessed. But the SGI assembler always does */ -/* that. Furthermore, a generic preprocessor won't do, since some of */ -/* the SGI-supplied include files rely on behavior of the MIPS */ -/* assembler. Hence we treat and name this file as though it required */ -/* no preprocessing. */ - -# define call_push(x) move $4,x; jal GC_push_one - - .option pic2 - .text -/* Mark from machine registers that are saved by C compiler */ -# define FRAMESZ 32 -# define RAOFF FRAMESZ-SZREG -# define GPOFF FRAMESZ-(2*SZREG) - NESTED(GC_push_regs, FRAMESZ, ra) - .mask 0x80000000,-SZREG # inform debugger of saved ra loc - move t0,gp - SETUP_GPX(t8) - PTR_SUBU sp,FRAMESZ -# ifdef SETUP_GP64 - SETUP_GP64(GPOFF, GC_push_regs) -# endif - SAVE_GP(GPOFF) - REG_S ra,RAOFF(sp) -# if (_MIPS_SIM == _MIPS_SIM_ABI32) - call_push($2) - call_push($3) -# endif - call_push($16) - call_push($17) - call_push($18) - call_push($19) - call_push($20) - call_push($21) - call_push($22) - call_push($23) - call_push($30) - REG_L ra,RAOFF(sp) -# ifdef RESTORE_GP64 - RESTORE_GP64 -# endif - PTR_ADDU sp,FRAMESZ - j ra - .end GC_push_regs diff --git a/vendor/gc/mips_ultrix_mach_dep.s b/vendor/gc/mips_ultrix_mach_dep.s deleted file mode 100644 index 178224e..0000000 --- a/vendor/gc/mips_ultrix_mach_dep.s +++ /dev/null @@ -1,26 +0,0 @@ -# define call_push(x) move $4,x; jal GC_push_one - - .text - # Mark from machine registers that are saved by C compiler - .globl GC_push_regs - .ent GC_push_regs -GC_push_regs: - subu $sp,8 ## Need to save only return address - sw $31,4($sp) - .mask 0x80000000,-4 - .frame $sp,8,$31 - call_push($2) - call_push($3) - call_push($16) - call_push($17) - call_push($18) - call_push($19) - call_push($20) - call_push($21) - call_push($22) - call_push($23) - call_push($30) - lw $31,4($sp) - addu $sp,8 - j $31 - .end GC_push_regs diff --git a/vendor/gc/misc.c b/vendor/gc/misc.c deleted file mode 100755 index 5f3eef6..0000000 --- a/vendor/gc/misc.c +++ /dev/null @@ -1,1184 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1999-2001 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, July 31, 1995 5:02 pm PDT */ - - -#include -#include -#include -#ifndef _WIN32_WCE -#include -#endif - -#define I_HIDE_POINTERS /* To make GC_call_with_alloc_lock visible */ -#include "private/gc_pmark.h" - -#ifdef GC_SOLARIS_THREADS -# include -#endif -#if defined(MSWIN32) || defined(MSWINCE) -# define WIN32_LEAN_AND_MEAN -# define NOSERVICE -# include -# include -#endif - -#ifdef UNIX_LIKE -# include -# include -# include - - int GC_log; /* Forward decl, so we can set it. */ -#endif - -#ifdef NONSTOP -# include -#endif - -#if defined(THREADS) && defined(PCR) -# include "il/PCR_IL.h" - PCR_Th_ML GC_allocate_ml; -#endif -/* For other platforms with threads, the lock and possibly */ -/* GC_lock_holder variables are defined in the thread support code. */ - -#if defined(NOSYS) || defined(ECOS) -#undef STACKBASE -#endif - -/* Dont unnecessarily call GC_register_main_static_data() in case */ -/* dyn_load.c isn't linked in. */ -#ifdef DYNAMIC_LOADING -# define GC_REGISTER_MAIN_STATIC_DATA() GC_register_main_static_data() -#else -# define GC_REGISTER_MAIN_STATIC_DATA() TRUE -#endif - -GC_FAR struct _GC_arrays GC_arrays /* = { 0 } */; - - -GC_bool GC_debugging_started = FALSE; - /* defined here so we don't have to load debug_malloc.o */ - -void (*GC_check_heap) (void) = (void (*) (void))0; -void (*GC_print_all_smashed) (void) = (void (*) (void))0; - -void (*GC_start_call_back) (void) = (void (*) (void))0; - -ptr_t GC_stackbottom = 0; - -#ifdef IA64 - ptr_t GC_register_stackbottom = 0; -#endif - -GC_bool GC_dont_gc = 0; - -GC_bool GC_dont_precollect = 0; - -GC_bool GC_quiet = 0; - -#ifndef SMALL_CONFIG - GC_bool GC_print_stats = 0; -#endif - -GC_bool GC_print_back_height = 0; - -#ifndef NO_DEBUGGING - GC_bool GC_dump_regularly = 0; /* Generate regular debugging dumps. */ -#endif - -#ifdef KEEP_BACK_PTRS - long GC_backtraces = 0; /* Number of random backtraces to */ - /* generate for each GC. */ -#endif - -#ifdef FIND_LEAK - int GC_find_leak = 1; -#else - int GC_find_leak = 0; -#endif - -#ifdef ALL_INTERIOR_POINTERS - int GC_all_interior_pointers = 1; -#else - int GC_all_interior_pointers = 0; -#endif - -long GC_large_alloc_warn_interval = 5; - /* Interval between unsuppressed warnings. */ - -long GC_large_alloc_warn_suppressed = 0; - /* Number of warnings suppressed so far. */ - -/*ARGSUSED*/ -void * GC_default_oom_fn(size_t bytes_requested) -{ - return(0); -} - -void * (*GC_oom_fn) (size_t bytes_requested) = GC_default_oom_fn; - -void * GC_project2(void *arg1, void *arg2) -{ - return arg2; -} - -/* Set things up so that GC_size_map[i] >= granules(i), */ -/* but not too much bigger */ -/* and so that size_map contains relatively few distinct entries */ -/* This was originally stolen from Russ Atkinson's Cedar */ -/* quantization alogrithm (but we precompute it). */ -void GC_init_size_map(void) -{ - int i; - - /* Map size 0 to something bigger. */ - /* This avoids problems at lower levels. */ - GC_size_map[0] = 1; - for (i = 1; i <= GRANULES_TO_BYTES(TINY_FREELISTS-1) - EXTRA_BYTES; i++) { - GC_size_map[i] = ROUNDED_UP_GRANULES(i); - GC_ASSERT(GC_size_map[i] < TINY_FREELISTS); - } - /* We leave the rest of the array to be filled in on demand. */ -} - -/* Fill in additional entries in GC_size_map, including the ith one */ -/* We assume the ith entry is currently 0. */ -/* Note that a filled in section of the array ending at n always */ -/* has length at least n/4. */ -void GC_extend_size_map(size_t i) -{ - size_t orig_granule_sz = ROUNDED_UP_GRANULES(i); - size_t granule_sz = orig_granule_sz; - size_t byte_sz = GRANULES_TO_BYTES(granule_sz); - /* The size we try to preserve. */ - /* Close to i, unless this would */ - /* introduce too many distinct sizes. */ - size_t smaller_than_i = byte_sz - (byte_sz >> 3); - size_t much_smaller_than_i = byte_sz - (byte_sz >> 2); - size_t low_limit; /* The lowest indexed entry we */ - /* initialize. */ - size_t j; - - if (GC_size_map[smaller_than_i] == 0) { - low_limit = much_smaller_than_i; - while (GC_size_map[low_limit] != 0) low_limit++; - } else { - low_limit = smaller_than_i + 1; - while (GC_size_map[low_limit] != 0) low_limit++; - granule_sz = ROUNDED_UP_GRANULES(low_limit); - granule_sz += granule_sz >> 3; - if (granule_sz < orig_granule_sz) granule_sz = orig_granule_sz; - } - /* For these larger sizes, we use an even number of granules. */ - /* This makes it easier to, for example, construct a 16byte-aligned */ - /* allocator even if GRANULE_BYTES is 8. */ - granule_sz += 1; - granule_sz &= ~1; - if (granule_sz > MAXOBJGRANULES) { - granule_sz = MAXOBJGRANULES; - } - /* If we can fit the same number of larger objects in a block, */ - /* do so. */ - { - size_t number_of_objs = HBLK_GRANULES/granule_sz; - granule_sz = HBLK_GRANULES/number_of_objs; - granule_sz &= ~1; - } - byte_sz = GRANULES_TO_BYTES(granule_sz); - /* We may need one extra byte; */ - /* don't always fill in GC_size_map[byte_sz] */ - byte_sz -= EXTRA_BYTES; - - for (j = low_limit; j <= byte_sz; j++) GC_size_map[j] = granule_sz; -} - - -/* - * The following is a gross hack to deal with a problem that can occur - * on machines that are sloppy about stack frame sizes, notably SPARC. - * Bogus pointers may be written to the stack and not cleared for - * a LONG time, because they always fall into holes in stack frames - * that are not written. We partially address this by clearing - * sections of the stack whenever we get control. - */ -word GC_stack_last_cleared = 0; /* GC_no when we last did this */ -# ifdef THREADS -# define BIG_CLEAR_SIZE 2048 /* Clear this much now and then. */ -# define SMALL_CLEAR_SIZE 256 /* Clear this much every time. */ -# endif -# define CLEAR_SIZE 213 /* Granularity for GC_clear_stack_inner */ -# define DEGRADE_RATE 50 - -ptr_t GC_min_sp; /* Coolest stack pointer value from which we've */ - /* already cleared the stack. */ - -ptr_t GC_high_water; - /* "hottest" stack pointer value we have seen */ - /* recently. Degrades over time. */ - -word GC_bytes_allocd_at_reset; - -#if defined(ASM_CLEAR_CODE) - extern void *GC_clear_stack_inner(void *, ptr_t); -#else -/* Clear the stack up to about limit. Return arg. */ -/*ARGSUSED*/ -void * GC_clear_stack_inner(void *arg, ptr_t limit) -{ - word dummy[CLEAR_SIZE]; - - BZERO(dummy, CLEAR_SIZE*sizeof(word)); - if ((ptr_t)(dummy) COOLER_THAN limit) { - (void) GC_clear_stack_inner(arg, limit); - } - /* Make sure the recursive call is not a tail call, and the bzero */ - /* call is not recognized as dead code. */ - GC_noop1((word)dummy); - return(arg); -} -#endif - -/* Clear some of the inaccessible part of the stack. Returns its */ -/* argument, so it can be used in a tail call position, hence clearing */ -/* another frame. */ -void * GC_clear_stack(void *arg) -{ - ptr_t sp = GC_approx_sp(); /* Hotter than actual sp */ -# ifdef THREADS - word dummy[SMALL_CLEAR_SIZE]; - static unsigned random_no = 0; - /* Should be more random than it is ... */ - /* Used to occasionally clear a bigger */ - /* chunk. */ -# endif - ptr_t limit; - -# define SLOP 400 - /* Extra bytes we clear every time. This clears our own */ - /* activation record, and should cause more frequent */ - /* clearing near the cold end of the stack, a good thing. */ -# define GC_SLOP 4000 - /* We make GC_high_water this much hotter than we really saw */ - /* saw it, to cover for GC noise etc. above our current frame. */ -# define CLEAR_THRESHOLD 100000 - /* We restart the clearing process after this many bytes of */ - /* allocation. Otherwise very heavily recursive programs */ - /* with sparse stacks may result in heaps that grow almost */ - /* without bounds. As the heap gets larger, collection */ - /* frequency decreases, thus clearing frequency would decrease, */ - /* thus more junk remains accessible, thus the heap gets */ - /* larger ... */ -# ifdef THREADS - if (++random_no % 13 == 0) { - limit = sp; - MAKE_HOTTER(limit, BIG_CLEAR_SIZE*sizeof(word)); - limit = (ptr_t)((word)limit & ~0xf); - /* Make it sufficiently aligned for assembly */ - /* implementations of GC_clear_stack_inner. */ - return GC_clear_stack_inner(arg, limit); - } else { - BZERO(dummy, SMALL_CLEAR_SIZE*sizeof(word)); - return arg; - } -# else - if (GC_gc_no > GC_stack_last_cleared) { - /* Start things over, so we clear the entire stack again */ - if (GC_stack_last_cleared == 0) GC_high_water = (ptr_t)GC_stackbottom; - GC_min_sp = GC_high_water; - GC_stack_last_cleared = GC_gc_no; - GC_bytes_allocd_at_reset = GC_bytes_allocd; - } - /* Adjust GC_high_water */ - MAKE_COOLER(GC_high_water, WORDS_TO_BYTES(DEGRADE_RATE) + GC_SLOP); - if (sp HOTTER_THAN GC_high_water) { - GC_high_water = sp; - } - MAKE_HOTTER(GC_high_water, GC_SLOP); - limit = GC_min_sp; - MAKE_HOTTER(limit, SLOP); - if (sp COOLER_THAN limit) { - limit = (ptr_t)((word)limit & ~0xf); - /* Make it sufficiently aligned for assembly */ - /* implementations of GC_clear_stack_inner. */ - GC_min_sp = sp; - return(GC_clear_stack_inner(arg, limit)); - } else if (GC_bytes_allocd - GC_bytes_allocd_at_reset > CLEAR_THRESHOLD) { - /* Restart clearing process, but limit how much clearing we do. */ - GC_min_sp = sp; - MAKE_HOTTER(GC_min_sp, CLEAR_THRESHOLD/4); - if (GC_min_sp HOTTER_THAN GC_high_water) GC_min_sp = GC_high_water; - GC_bytes_allocd_at_reset = GC_bytes_allocd; - } - return(arg); -# endif -} - - -/* Return a pointer to the base address of p, given a pointer to a */ -/* an address within an object. Return 0 o.w. */ -void * GC_base(void * p) -{ - ptr_t r; - struct hblk *h; - bottom_index *bi; - hdr *candidate_hdr; - ptr_t limit; - - r = p; - if (!GC_is_initialized) return 0; - h = HBLKPTR(r); - GET_BI(r, bi); - candidate_hdr = HDR_FROM_BI(bi, r); - if (candidate_hdr == 0) return(0); - /* If it's a pointer to the middle of a large object, move it */ - /* to the beginning. */ - while (IS_FORWARDING_ADDR_OR_NIL(candidate_hdr)) { - h = FORWARDED_ADDR(h,candidate_hdr); - r = (ptr_t)h; - candidate_hdr = HDR(h); - } - if (HBLK_IS_FREE(candidate_hdr)) return(0); - /* Make sure r points to the beginning of the object */ - r = (ptr_t)((word)r & ~(WORDS_TO_BYTES(1) - 1)); - { - size_t offset = HBLKDISPL(r); - signed_word sz = candidate_hdr -> hb_sz; - size_t obj_displ = offset % sz; - - r -= obj_displ; - limit = r + sz; - if (limit > (ptr_t)(h + 1) && sz <= HBLKSIZE) { - return(0); - } - if ((ptr_t)p >= limit) return(0); - } - return((void *)r); -} - - -/* Return the size of an object, given a pointer to its base. */ -/* (For small obects this also happens to work from interior pointers, */ -/* but that shouldn't be relied upon.) */ -size_t GC_size(void * p) -{ - hdr * hhdr = HDR(p); - - return hhdr -> hb_sz; -} - -size_t GC_get_heap_size(void) -{ - return GC_heapsize; -} - -size_t GC_get_free_bytes(void) -{ - return GC_large_free_bytes; -} - -size_t GC_get_bytes_since_gc(void) -{ - return GC_bytes_allocd; -} - -size_t GC_get_total_bytes(void) -{ - return GC_bytes_allocd+GC_bytes_allocd_before_gc; -} - -GC_bool GC_is_initialized = FALSE; - -# if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - extern void GC_init_parallel(void); -# endif /* PARALLEL_MARK || THREAD_LOCAL_ALLOC */ - -/* FIXME: The GC_init/GC_init_inner distinction should go away. */ -void GC_init(void) -{ - /* LOCK(); -- no longer does anything this early. */ - GC_init_inner(); - /* UNLOCK(); */ -} - -#if defined(MSWIN32) || defined(MSWINCE) - CRITICAL_SECTION GC_write_cs; -#endif - -#ifdef MSWIN32 - extern void GC_init_win32(void); -#endif - -extern void GC_setpagesize(); - -#ifdef MSWIN32 -extern GC_bool GC_no_win32_dlls; -#else -# define GC_no_win32_dlls FALSE -#endif - -void GC_exit_check(void) -{ - GC_gcollect(); -} - -#ifdef SEARCH_FOR_DATA_START - extern void GC_init_linux_data_start(void); -#endif - -#ifdef UNIX_LIKE - -extern void GC_set_and_save_fault_handler(void (*handler)(int)); - -static void looping_handler(sig) -int sig; -{ - GC_err_printf("Caught signal %d: looping in handler\n", sig); - for(;;); -} - -static GC_bool installed_looping_handler = FALSE; - -static void maybe_install_looping_handler() -{ - /* Install looping handler before the write fault handler, so we */ - /* handle write faults correctly. */ - if (!installed_looping_handler && 0 != GETENV("GC_LOOP_ON_ABORT")) { - GC_set_and_save_fault_handler(looping_handler); - installed_looping_handler = TRUE; - } -} - -#else /* !UNIX_LIKE */ - -# define maybe_install_looping_handler() - -#endif - -#if defined(GC_PTHREADS) || defined(GC_WIN32_THREADS) - void GC_thr_init(void); -#endif - -void GC_init_inner() -{ -# if !defined(THREADS) && defined(GC_ASSERTIONS) - word dummy; -# endif - word initial_heap_sz = (word)MINHINCR; - - if (GC_is_initialized) return; - - /* Note that although we are nominally called with the */ - /* allocation lock held, the allocation lock is now */ - /* only really acquired once a second thread is forked.*/ - /* And the initialization code needs to run before */ - /* then. Thus we really don't hold any locks, and can */ - /* in fact safely initialize them here. */ -# ifdef THREADS - GC_ASSERT(!GC_need_to_lock); -# endif -# if defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS) - if (!GC_is_initialized) { - BOOL (WINAPI *pfn) (LPCRITICAL_SECTION, DWORD) = NULL; - HMODULE hK32 = GetModuleHandleA("kernel32.dll"); - if (hK32) - pfn = (BOOL (WINAPI *) (LPCRITICAL_SECTION, DWORD)) - GetProcAddress (hK32, - "InitializeCriticalSectionAndSpinCount"); - if (pfn) - pfn(&GC_allocate_ml, 4000); - else - InitializeCriticalSection (&GC_allocate_ml); - } -#endif /* MSWIN32 */ -# if defined(MSWIN32) || defined(MSWINCE) - InitializeCriticalSection(&GC_write_cs); -# endif -# if (!defined(SMALL_CONFIG)) - if (0 != GETENV("GC_PRINT_STATS")) { - GC_print_stats = 1; - } - if (0 != GETENV("GC_PRINT_VERBOSE_STATS")) { - GC_print_stats = VERBOSE; - } -# if defined(UNIX_LIKE) - { - char * file_name = GETENV("GC_LOG_FILE"); - if (0 != file_name) { - int log_d = open(file_name, O_CREAT|O_WRONLY|O_APPEND, 0666); - if (log_d < 0) { - GC_log_printf("Failed to open %s as log file\n", file_name); - } else { - GC_log = log_d; - } - } - } -# endif -# endif -# ifndef NO_DEBUGGING - if (0 != GETENV("GC_DUMP_REGULARLY")) { - GC_dump_regularly = 1; - } -# endif -# ifdef KEEP_BACK_PTRS - { - char * backtraces_string = GETENV("GC_BACKTRACES"); - if (0 != backtraces_string) { - GC_backtraces = atol(backtraces_string); - if (backtraces_string[0] == '\0') GC_backtraces = 1; - } - } -# endif - if (0 != GETENV("GC_FIND_LEAK")) { - GC_find_leak = 1; - atexit(GC_exit_check); - } - if (0 != GETENV("GC_ALL_INTERIOR_POINTERS")) { - GC_all_interior_pointers = 1; - } - if (0 != GETENV("GC_DONT_GC")) { - GC_dont_gc = 1; - } - if (0 != GETENV("GC_PRINT_BACK_HEIGHT")) { - GC_print_back_height = 1; - } - if (0 != GETENV("GC_NO_BLACKLIST_WARNING")) { - GC_large_alloc_warn_interval = LONG_MAX; - } - { - char * addr_string = GETENV("GC_TRACE"); - if (0 != addr_string) { -# ifndef ENABLE_TRACE - WARN("Tracing not enabled: Ignoring GC_TRACE value\n", 0); -# else -# ifdef STRTOULL - long long addr = strtoull(addr_string, NULL, 16); -# else - long addr = strtoul(addr_string, NULL, 16); -# endif - if (addr < 0x1000) - WARN("Unlikely trace address: 0x%lx\n", (GC_word)addr); - GC_trace_addr = (ptr_t)addr; -# endif - } - } - { - char * time_limit_string = GETENV("GC_PAUSE_TIME_TARGET"); - if (0 != time_limit_string) { - long time_limit = atol(time_limit_string); - if (time_limit < 5) { - WARN("GC_PAUSE_TIME_TARGET environment variable value too small " - "or bad syntax: Ignoring\n", 0); - } else { - GC_time_limit = time_limit; - } - } - } - { - char * interval_string = GETENV("GC_LARGE_ALLOC_WARN_INTERVAL"); - if (0 != interval_string) { - long interval = atol(interval_string); - if (interval <= 0) { - WARN("GC_LARGE_ALLOC_WARN_INTERVAL environment variable has " - "bad value: Ignoring\n", 0); - } else { - GC_large_alloc_warn_interval = interval; - } - } - } - maybe_install_looping_handler(); - /* Adjust normal object descriptor for extra allocation. */ - if (ALIGNMENT > GC_DS_TAGS && EXTRA_BYTES != 0) { - GC_obj_kinds[NORMAL].ok_descriptor = ((word)(-ALIGNMENT) | GC_DS_LENGTH); - } - GC_setpagesize(); - GC_exclude_static_roots(beginGC_arrays, endGC_arrays); - GC_exclude_static_roots(beginGC_obj_kinds, endGC_obj_kinds); -# ifdef SEPARATE_GLOBALS - GC_exclude_static_roots(beginGC_objfreelist, endGC_objfreelist); - GC_exclude_static_roots(beginGC_aobjfreelist, endGC_aobjfreelist); -# endif -# ifdef MSWIN32 - GC_init_win32(); -# endif -# if defined(USE_PROC_FOR_LIBRARIES) && defined(GC_LINUX_THREADS) - WARN("USE_PROC_FOR_LIBRARIES + GC_LINUX_THREADS performs poorly.\n", 0); - /* If thread stacks are cached, they tend to be scanned in */ - /* entirety as part of the root set. This wil grow them to */ - /* maximum size, and is generally not desirable. */ -# endif -# if defined(SEARCH_FOR_DATA_START) - GC_init_linux_data_start(); -# endif -# if (defined(NETBSD) || defined(OPENBSD)) && defined(__ELF__) - GC_init_netbsd_elf(); -# endif -# if !defined(THREADS) || defined(GC_PTHREADS) || defined(GC_WIN32_THREADS) \ - || defined(GC_SOLARIS_THREADS) - if (GC_stackbottom == 0) { - GC_stackbottom = GC_get_main_stack_base(); -# if (defined(LINUX) || defined(HPUX)) && defined(IA64) - GC_register_stackbottom = GC_get_register_stack_base(); -# endif - } else { -# if (defined(LINUX) || defined(HPUX)) && defined(IA64) - if (GC_register_stackbottom == 0) { - WARN("GC_register_stackbottom should be set with GC_stackbottom\n", 0); - /* The following may fail, since we may rely on */ - /* alignment properties that may not hold with a user set */ - /* GC_stackbottom. */ - GC_register_stackbottom = GC_get_register_stack_base(); - } -# endif - } -# endif - /* Ignore gcc -Wall warnings on the following. */ - GC_STATIC_ASSERT(sizeof (ptr_t) == sizeof(word)); - GC_STATIC_ASSERT(sizeof (signed_word) == sizeof(word)); - GC_STATIC_ASSERT(sizeof (struct hblk) == HBLKSIZE); -# ifndef THREADS -# ifdef STACK_GROWS_DOWN - GC_ASSERT((word)(&dummy) <= (word)GC_stackbottom); -# else - GC_ASSERT((word)(&dummy) >= (word)GC_stackbottom); -# endif -# endif -# if !defined(_AUX_SOURCE) || defined(__GNUC__) - GC_ASSERT((word)(-1) > (word)0); - /* word should be unsigned */ -# endif - GC_ASSERT((ptr_t)(word)(-1) > (ptr_t)0); - /* Ptr_t comparisons should behave as unsigned comparisons. */ - GC_ASSERT((signed_word)(-1) < (signed_word)0); -# if !defined(SMALL_CONFIG) - if (GC_incremental || 0 != GETENV("GC_ENABLE_INCREMENTAL")) { - /* This used to test for !GC_no_win32_dlls. Why? */ - GC_setpagesize(); - /* For GWW_MPROTECT on Win32, this needs to happen before any */ - /* heap memory is allocated. */ - GC_dirty_init(); - GC_ASSERT(GC_bytes_allocd == 0) - GC_incremental = TRUE; - } -# endif /* !SMALL_CONFIG */ - - /* Add initial guess of root sets. Do this first, since sbrk(0) */ - /* might be used. */ - if (GC_REGISTER_MAIN_STATIC_DATA()) GC_register_data_segments(); - GC_init_headers(); - GC_bl_init(); - GC_mark_init(); - { - char * sz_str = GETENV("GC_INITIAL_HEAP_SIZE"); - if (sz_str != NULL) { - initial_heap_sz = atoi(sz_str); - if (initial_heap_sz <= MINHINCR * HBLKSIZE) { - WARN("Bad initial heap size %s - ignoring it.\n", - sz_str); - } - initial_heap_sz = divHBLKSZ(initial_heap_sz); - } - } - { - char * sz_str = GETENV("GC_MAXIMUM_HEAP_SIZE"); - if (sz_str != NULL) { - word max_heap_sz = (word)atol(sz_str); - if (max_heap_sz < initial_heap_sz * HBLKSIZE) { - WARN("Bad maximum heap size %s - ignoring it.\n", - sz_str); - } - if (0 == GC_max_retries) GC_max_retries = 2; - GC_set_max_heap_size(max_heap_sz); - } - } - if (!GC_expand_hp_inner(initial_heap_sz)) { - GC_err_printf("Can't start up: not enough memory\n"); - EXIT(); - } - GC_initialize_offsets(); - GC_register_displacement_inner(0L); -# if defined(GC_LINUX_THREADS) && defined(REDIRECT_MALLOC) - if (!GC_all_interior_pointers) { - /* TLS ABI uses pointer-sized offsets for dtv. */ - GC_register_displacement_inner(sizeof(void *)); - } -# endif - GC_init_size_map(); -# ifdef PCR - if (PCR_IL_Lock(PCR_Bool_false, PCR_allSigsBlocked, PCR_waitForever) - != PCR_ERes_okay) { - ABORT("Can't lock load state\n"); - } else if (PCR_IL_Unlock() != PCR_ERes_okay) { - ABORT("Can't unlock load state\n"); - } - PCR_IL_Unlock(); - GC_pcr_install(); -# endif - GC_is_initialized = TRUE; -# if defined(GC_PTHREADS) || defined(GC_WIN32_THREADS) - GC_thr_init(); -# endif - COND_DUMP; - /* Get black list set up and/or incremental GC started */ - if (!GC_dont_precollect || GC_incremental) GC_gcollect_inner(); -# ifdef STUBBORN_ALLOC - GC_stubborn_init(); -# endif - /* Convince lint that some things are used */ -# ifdef LINT - { - extern char * GC_copyright[]; - extern int GC_read(); - extern void GC_register_finalizer_no_order(); - - GC_noop(GC_copyright, GC_find_header, - GC_push_one, GC_call_with_alloc_lock, GC_read, - GC_dont_expand, -# ifndef NO_DEBUGGING - GC_dump, -# endif - GC_register_finalizer_no_order); - } -# endif - - /* The rest of this again assumes we don't really hold */ - /* the allocation lock. */ -# if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - /* Make sure marker threads and started and thread local */ - /* allocation is initialized, in case we didn't get */ - /* called from GC_init_parallel(); */ - { - GC_init_parallel(); - } -# endif /* PARALLEL_MARK || THREAD_LOCAL_ALLOC */ - -# if defined(DYNAMIC_LOADING) && defined(DARWIN) - { - /* This must be called WITHOUT the allocation lock held - and before any threads are created */ - extern void GC_init_dyld(); - GC_init_dyld(); - } -# endif -} - -void GC_enable_incremental(void) -{ -# if !defined(SMALL_CONFIG) && !defined(KEEP_BACK_PTRS) - /* If we are keeping back pointers, the GC itself dirties all */ - /* pages on which objects have been marked, making */ - /* incremental GC pointless. */ - if (!GC_find_leak) { - DCL_LOCK_STATE; - - LOCK(); - if (GC_incremental) goto out; - GC_setpagesize(); - /* if (GC_no_win32_dlls) goto out; Should be win32S test? */ - maybe_install_looping_handler(); /* Before write fault handler! */ - GC_incremental = TRUE; - if (!GC_is_initialized) { - GC_init_inner(); - } else { - GC_dirty_init(); - } - if (!GC_dirty_maintained) goto out; - if (GC_dont_gc) { - /* Can't easily do it. */ - UNLOCK(); - return; - } - if (GC_bytes_allocd > 0) { - /* There may be unmarked reachable objects */ - GC_gcollect_inner(); - } /* else we're OK in assuming everything's */ - /* clean since nothing can point to an */ - /* unmarked object. */ - GC_read_dirty(); -out: - UNLOCK(); - } else { - GC_init(); - } -# else - GC_init(); -# endif -} - - -#if defined(MSWIN32) || defined(MSWINCE) -# if defined(_MSC_VER) && defined(_DEBUG) -# include -# endif -# ifdef OLD_WIN32_LOG_FILE -# define LOG_FILE _T("gc.log") -# endif - - HANDLE GC_stdout = 0; - - void GC_deinit() - { - if (GC_is_initialized) { - DeleteCriticalSection(&GC_write_cs); - } - } - -# ifndef THREADS -# define GC_need_to_lock 0 /* Not defined without threads */ -# endif - int GC_write(const char *buf, size_t len) - { - BOOL tmp; - DWORD written; - if (len == 0) - return 0; - if (GC_need_to_lock) EnterCriticalSection(&GC_write_cs); - if (GC_stdout == INVALID_HANDLE_VALUE) { - if (GC_need_to_lock) LeaveCriticalSection(&GC_write_cs); - return -1; - } else if (GC_stdout == 0) { - char * file_name = GETENV("GC_LOG_FILE"); - char logPath[_MAX_PATH + 5]; - - if (0 == file_name) { -# ifdef OLD_WIN32_LOG_FILE - strcpy(logPath, LOG_FILE); -# else - GetModuleFileName(NULL, logPath, _MAX_PATH); - strcat(logPath, ".log"); -# endif - file_name = logPath; - } - GC_stdout = CreateFile(logPath, GENERIC_WRITE, - FILE_SHARE_READ, - NULL, CREATE_ALWAYS, FILE_FLAG_WRITE_THROUGH, - NULL); - if (GC_stdout == INVALID_HANDLE_VALUE) - ABORT("Open of log file failed"); - } - tmp = WriteFile(GC_stdout, buf, (DWORD)len, &written, NULL); - if (!tmp) - DebugBreak(); -# if defined(_MSC_VER) && defined(_DEBUG) - _CrtDbgReport(_CRT_WARN, NULL, 0, NULL, "%.*s", len, buf); -# endif - if (GC_need_to_lock) LeaveCriticalSection(&GC_write_cs); - return tmp ? (int)written : -1; - } -# undef GC_need_to_lock - -#endif - -#if defined(OS2) || defined(MACOS) -FILE * GC_stdout = NULL; -FILE * GC_stderr = NULL; -FILE * GC_log = NULL; -int GC_tmp; /* Should really be local ... */ - - void GC_set_files() - { - if (GC_stdout == NULL) { - GC_stdout = stdout; - } - if (GC_stderr == NULL) { - GC_stderr = stderr; - } - if (GC_log == NULL) { - GC_log = stderr; - } - } -#endif - -#if !defined(OS2) && !defined(MACOS) && !defined(MSWIN32) && !defined(MSWINCE) - int GC_stdout = 1; - int GC_stderr = 2; - int GC_log = 2; -# if !defined(AMIGA) -# include -# endif -#endif - -#if !defined(MSWIN32) && !defined(MSWINCE) && !defined(OS2) \ - && !defined(MACOS) && !defined(ECOS) && !defined(NOSYS) -int GC_write(fd, buf, len) -int fd; -const char *buf; -size_t len; -{ - register int bytes_written = 0; - register int result; - - while (bytes_written < len) { -# ifdef GC_SOLARIS_THREADS - result = syscall(SYS_write, fd, buf + bytes_written, - len - bytes_written); -# else - result = write(fd, buf + bytes_written, len - bytes_written); -# endif - if (-1 == result) return(result); - bytes_written += result; - } - return(bytes_written); -} -#endif /* UN*X */ - -#ifdef ECOS -int GC_write(fd, buf, len) -{ - _Jv_diag_write (buf, len); - return len; -} -#endif - -#ifdef NOSYS -int GC_write(fd, buf, len) -{ - /* No writing. */ - return len; -} -#endif - - -#if defined(MSWIN32) || defined(MSWINCE) - /* FIXME: This is pretty ugly ... */ -# define WRITE(f, buf, len) GC_write(buf, len) -#else -# if defined(OS2) || defined(MACOS) -# define WRITE(f, buf, len) (GC_set_files(), \ - GC_tmp = fwrite((buf), 1, (len), (f)), \ - fflush(f), GC_tmp) -# else -# define WRITE(f, buf, len) GC_write((f), (buf), (len)) -# endif -#endif - -#define BUFSZ 1024 -#ifdef _MSC_VER -# define vsnprintf _vsnprintf -#endif -/* A version of printf that is unlikely to call malloc, and is thus safer */ -/* to call from the collector in case malloc has been bound to GC_malloc. */ -/* Floating point arguments ans formats should be avoided, since fp */ -/* conversion is more likely to allocate. */ -/* Assumes that no more than BUFSZ-1 characters are written at once. */ -void GC_printf(const char *format, ...) -{ - va_list args; - char buf[BUFSZ+1]; - - va_start(args, format); - if (GC_quiet) return; - buf[BUFSZ] = 0x15; - (void) vsnprintf(buf, BUFSZ, format, args); - va_end(args); - if (buf[BUFSZ] != 0x15) ABORT("GC_printf clobbered stack"); - if (WRITE(GC_stdout, buf, strlen(buf)) < 0) ABORT("write to stdout failed"); -} - -void GC_err_printf(const char *format, ...) -{ - va_list args; - char buf[BUFSZ+1]; - - va_start(args, format); - buf[BUFSZ] = 0x15; - (void) vsnprintf(buf, BUFSZ, format, args); - va_end(args); - if (buf[BUFSZ] != 0x15) ABORT("GC_printf clobbered stack"); - if (WRITE(GC_stderr, buf, strlen(buf)) < 0) ABORT("write to stderr failed"); -} - -void GC_log_printf(const char *format, ...) -{ - va_list args; - char buf[BUFSZ+1]; - - va_start(args, format); - buf[BUFSZ] = 0x15; - (void) vsnprintf(buf, BUFSZ, format, args); - va_end(args); - if (buf[BUFSZ] != 0x15) ABORT("GC_printf clobbered stack"); - if (WRITE(GC_log, buf, strlen(buf)) < 0) ABORT("write to log failed"); -} - -void GC_err_puts(const char *s) -{ - if (WRITE(GC_stderr, s, strlen(s)) < 0) ABORT("write to stderr failed"); -} - -#if defined(LINUX) && !defined(SMALL_CONFIG) -void GC_err_write(buf, len) -const char *buf; -size_t len; -{ - if (WRITE(GC_stderr, buf, len) < 0) ABORT("write to stderr failed"); -} -#endif - -void GC_default_warn_proc(char *msg, GC_word arg) -{ - GC_err_printf(msg, arg); -} - -GC_warn_proc GC_current_warn_proc = GC_default_warn_proc; - -GC_warn_proc GC_set_warn_proc(GC_warn_proc p) -{ - GC_warn_proc result; - -# ifdef GC_WIN32_THREADS - GC_ASSERT(GC_is_initialized); -# endif - LOCK(); - result = GC_current_warn_proc; - GC_current_warn_proc = p; - UNLOCK(); - return(result); -} - -GC_word GC_set_free_space_divisor (GC_word value) -{ - GC_word old = GC_free_space_divisor; - GC_free_space_divisor = value; - return old; -} - -#ifndef PCR -void GC_abort(const char *msg) -{ -# if defined(MSWIN32) - (void) MessageBoxA(NULL, msg, "Fatal error in gc", MB_ICONERROR|MB_OK); -# else - GC_err_printf("%s\n", msg); -# endif - if (GETENV("GC_LOOP_ON_ABORT") != NULL) { - /* In many cases it's easier to debug a running process. */ - /* It's arguably nicer to sleep, but that makes it harder */ - /* to look at the thread if the debugger doesn't know much */ - /* about threads. */ - for(;;) {} - } -# if defined(MSWIN32) || defined(MSWINCE) - DebugBreak(); -# else - (void) abort(); -# endif -} -#endif - -void GC_enable() -{ - LOCK(); - GC_dont_gc--; - UNLOCK(); -} - -void GC_disable() -{ - LOCK(); - GC_dont_gc++; - UNLOCK(); -} - -/* Helper procedures for new kind creation. */ -void ** GC_new_free_list_inner() -{ - void *result = GC_INTERNAL_MALLOC((MAXOBJGRANULES+1)*sizeof(ptr_t), - PTRFREE); - if (result == 0) ABORT("Failed to allocate freelist for new kind"); - BZERO(result, (MAXOBJGRANULES+1)*sizeof(ptr_t)); - return result; -} - -void ** GC_new_free_list() -{ - void *result; - LOCK(); - result = GC_new_free_list_inner(); - UNLOCK(); - return result; -} - -unsigned GC_new_kind_inner(void **fl, GC_word descr, int adjust, int clear) -{ - unsigned result = GC_n_kinds++; - - if (GC_n_kinds > MAXOBJKINDS) ABORT("Too many kinds"); - GC_obj_kinds[result].ok_freelist = fl; - GC_obj_kinds[result].ok_reclaim_list = 0; - GC_obj_kinds[result].ok_descriptor = descr; - GC_obj_kinds[result].ok_relocate_descr = adjust; - GC_obj_kinds[result].ok_init = clear; - return result; -} - -unsigned GC_new_kind(void **fl, GC_word descr, int adjust, int clear) -{ - unsigned result; - LOCK(); - result = GC_new_kind_inner(fl, descr, adjust, clear); - UNLOCK(); - return result; -} - -unsigned GC_new_proc_inner(GC_mark_proc proc) -{ - unsigned result = GC_n_mark_procs++; - - if (GC_n_mark_procs > MAX_MARK_PROCS) ABORT("Too many mark procedures"); - GC_mark_procs[result] = proc; - return result; -} - -unsigned GC_new_proc(GC_mark_proc proc) -{ - unsigned result; - LOCK(); - result = GC_new_proc_inner(proc); - UNLOCK(); - return result; -} - -GC_API void * GC_call_with_stack_base(GC_stack_base_func fn, void *arg) -{ - int dummy; - struct GC_stack_base base; - - base.mem_base = (void *)&dummy; -# ifdef IA64 - base.reg_base = (void *)GC_save_regs_in_stack(); - /* Unnecessarily flushes register stack, */ - /* but that probably doesn't hurt. */ -# endif - return fn(&base, arg); -} - -#if !defined(NO_DEBUGGING) - -void GC_dump() -{ - GC_printf("***Static roots:\n"); - GC_print_static_roots(); - GC_printf("\n***Heap sections:\n"); - GC_print_heap_sects(); - GC_printf("\n***Free blocks:\n"); - GC_print_hblkfreelist(); - GC_printf("\n***Blocks in use:\n"); - GC_print_block_list(); - GC_printf("\n***Finalization statistics:\n"); - GC_print_finalization_stats(); -} - -#endif /* NO_DEBUGGING */ diff --git a/vendor/gc/missing b/vendor/gc/missing deleted file mode 100755 index dd58370..0000000 --- a/vendor/gc/missing +++ /dev/null @@ -1,336 +0,0 @@ -#! /bin/sh -# Common stub for a few missing GNU programs while installing. -# Copyright 1996, 1997, 1999, 2000 Free Software Foundation, Inc. -# Originally by Fran,cois Pinard , 1996. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. - -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - -if test $# -eq 0; then - echo 1>&2 "Try \`$0 --help' for more information" - exit 1 -fi - -run=: - -# In the cases where this matters, `missing' is being run in the -# srcdir already. -if test -f configure.ac; then - configure_ac=configure.ac -else - configure_ac=configure.in -fi - -case "$1" in ---run) - # Try to run requested program, and just exit if it succeeds. - run= - shift - "$@" && exit 0 - ;; -esac - -# If it does not exist, or fails to run (possibly an outdated version), -# try to emulate it. -case "$1" in - - -h|--h|--he|--hel|--help) - echo "\ -$0 [OPTION]... PROGRAM [ARGUMENT]... - -Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an -error status if there is no known handling for PROGRAM. - -Options: - -h, --help display this help and exit - -v, --version output version information and exit - --run try to run the given command, and emulate it if it fails - -Supported PROGRAM values: - aclocal touch file \`aclocal.m4' - autoconf touch file \`configure' - autoheader touch file \`config.h.in' - automake touch all \`Makefile.in' files - bison create \`y.tab.[ch]', if possible, from existing .[ch] - flex create \`lex.yy.c', if possible, from existing .c - help2man touch the output file - lex create \`lex.yy.c', if possible, from existing .c - makeinfo touch the output file - tar try tar, gnutar, gtar, then tar without non-portable flags - yacc create \`y.tab.[ch]', if possible, from existing .[ch]" - ;; - - -v|--v|--ve|--ver|--vers|--versi|--versio|--version) - echo "missing 0.4 - GNU automake" - ;; - - -*) - echo 1>&2 "$0: Unknown \`$1' option" - echo 1>&2 "Try \`$0 --help' for more information" - exit 1 - ;; - - aclocal*) - if test -z "$run" && ($1 --version) > /dev/null 2>&1; then - # We have it, but it failed. - exit 1 - fi - - echo 1>&2 "\ -WARNING: \`$1' is missing on your system. You should only need it if - you modified \`acinclude.m4' or \`${configure_ac}'. You might want - to install the \`Automake' and \`Perl' packages. Grab them from - any GNU archive site." - touch aclocal.m4 - ;; - - autoconf) - if test -z "$run" && ($1 --version) > /dev/null 2>&1; then - # We have it, but it failed. - exit 1 - fi - - echo 1>&2 "\ -WARNING: \`$1' is missing on your system. You should only need it if - you modified \`${configure_ac}'. You might want to install the - \`Autoconf' and \`GNU m4' packages. Grab them from any GNU - archive site." - touch configure - ;; - - autoheader) - if test -z "$run" && ($1 --version) > /dev/null 2>&1; then - # We have it, but it failed. - exit 1 - fi - - echo 1>&2 "\ -WARNING: \`$1' is missing on your system. You should only need it if - you modified \`acconfig.h' or \`${configure_ac}'. You might want - to install the \`Autoconf' and \`GNU m4' packages. Grab them - from any GNU archive site." - files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}` - test -z "$files" && files="config.h" - touch_files= - for f in $files; do - case "$f" in - *:*) touch_files="$touch_files "`echo "$f" | - sed -e 's/^[^:]*://' -e 's/:.*//'`;; - *) touch_files="$touch_files $f.in";; - esac - done - touch $touch_files - ;; - - automake*) - if test -z "$run" && ($1 --version) > /dev/null 2>&1; then - # We have it, but it failed. - exit 1 - fi - - echo 1>&2 "\ -WARNING: \`$1' is missing on your system. You should only need it if - you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'. - You might want to install the \`Automake' and \`Perl' packages. - Grab them from any GNU archive site." - find . -type f -name Makefile.am -print | - sed 's/\.am$/.in/' | - while read f; do touch "$f"; done - ;; - - autom4te) - if test -z "$run" && ($1 --version) > /dev/null 2>&1; then - # We have it, but it failed. - exit 1 - fi - - echo 1>&2 "\ -WARNING: \`$1' is needed, and you do not seem to have it handy on your - system. You might have modified some files without having the - proper tools for further handling them. - You can get \`$1Help2man' as part of \`Autoconf' from any GNU - archive site." - - file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'` - test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'` - if test -f "$file"; then - touch $file - else - test -z "$file" || exec >$file - echo "#! /bin/sh" - echo "# Created by GNU Automake missing as a replacement of" - echo "# $ $@" - echo "exit 0" - chmod +x $file - exit 1 - fi - ;; - - bison|yacc) - echo 1>&2 "\ -WARNING: \`$1' is missing on your system. You should only need it if - you modified a \`.y' file. You may need the \`Bison' package - in order for those modifications to take effect. You can get - \`Bison' from any GNU archive site." - rm -f y.tab.c y.tab.h - if [ $# -ne 1 ]; then - eval LASTARG="\${$#}" - case "$LASTARG" in - *.y) - SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'` - if [ -f "$SRCFILE" ]; then - cp "$SRCFILE" y.tab.c - fi - SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'` - if [ -f "$SRCFILE" ]; then - cp "$SRCFILE" y.tab.h - fi - ;; - esac - fi - if [ ! -f y.tab.h ]; then - echo >y.tab.h - fi - if [ ! -f y.tab.c ]; then - echo 'main() { return 0; }' >y.tab.c - fi - ;; - - lex|flex) - echo 1>&2 "\ -WARNING: \`$1' is missing on your system. You should only need it if - you modified a \`.l' file. You may need the \`Flex' package - in order for those modifications to take effect. You can get - \`Flex' from any GNU archive site." - rm -f lex.yy.c - if [ $# -ne 1 ]; then - eval LASTARG="\${$#}" - case "$LASTARG" in - *.l) - SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'` - if [ -f "$SRCFILE" ]; then - cp "$SRCFILE" lex.yy.c - fi - ;; - esac - fi - if [ ! -f lex.yy.c ]; then - echo 'main() { return 0; }' >lex.yy.c - fi - ;; - - help2man) - if test -z "$run" && ($1 --version) > /dev/null 2>&1; then - # We have it, but it failed. - exit 1 - fi - - echo 1>&2 "\ -WARNING: \`$1' is missing on your system. You should only need it if - you modified a dependency of a manual page. You may need the - \`Help2man' package in order for those modifications to take - effect. You can get \`Help2man' from any GNU archive site." - - file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'` - if test -z "$file"; then - file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'` - fi - if [ -f "$file" ]; then - touch $file - else - test -z "$file" || exec >$file - echo ".ab help2man is required to generate this page" - exit 1 - fi - ;; - - makeinfo) - if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then - # We have makeinfo, but it failed. - exit 1 - fi - - echo 1>&2 "\ -WARNING: \`$1' is missing on your system. You should only need it if - you modified a \`.texi' or \`.texinfo' file, or any other file - indirectly affecting the aspect of the manual. The spurious - call might also be the consequence of using a buggy \`make' (AIX, - DU, IRIX). You might want to install the \`Texinfo' package or - the \`GNU make' package. Grab either from any GNU archive site." - file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'` - if test -z "$file"; then - file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` - file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file` - fi - touch $file - ;; - - tar) - shift - if test -n "$run"; then - echo 1>&2 "ERROR: \`tar' requires --run" - exit 1 - fi - - # We have already tried tar in the generic part. - # Look for gnutar/gtar before invocation to avoid ugly error - # messages. - if (gnutar --version > /dev/null 2>&1); then - gnutar ${1+"$@"} && exit 0 - fi - if (gtar --version > /dev/null 2>&1); then - gtar ${1+"$@"} && exit 0 - fi - firstarg="$1" - if shift; then - case "$firstarg" in - *o*) - firstarg=`echo "$firstarg" | sed s/o//` - tar "$firstarg" ${1+"$@"} && exit 0 - ;; - esac - case "$firstarg" in - *h*) - firstarg=`echo "$firstarg" | sed s/h//` - tar "$firstarg" ${1+"$@"} && exit 0 - ;; - esac - fi - - echo 1>&2 "\ -WARNING: I can't seem to be able to run \`tar' with the given arguments. - You may want to install GNU tar or Free paxutils, or check the - command line arguments." - exit 1 - ;; - - *) - echo 1>&2 "\ -WARNING: \`$1' is needed, and you do not seem to have it handy on your - system. You might have modified some files without having the - proper tools for further handling them. Check the \`README' file, - it often tells you about the needed prerequirements for installing - this package. You may also peek at any GNU archive site, in case - some other package would contain this missing \`$1' program." - exit 1 - ;; -esac - -exit 0 diff --git a/vendor/gc/mkinstalldirs b/vendor/gc/mkinstalldirs deleted file mode 100755 index 82a561f..0000000 --- a/vendor/gc/mkinstalldirs +++ /dev/null @@ -1,101 +0,0 @@ -#! /bin/sh -# mkinstalldirs --- make directory hierarchy -# Author: Noah Friedman -# Created: 1993-05-16 -# Public domain - -# $Id: mkinstalldirs,v 1.1.1.1 2005/10/10 22:33:34 hboehm Exp $ - -errstatus=0 -dirmode="" - -usage="\ -Usage: mkinstalldirs [-h] [--help] [-m mode] dir ..." - -# process command line arguments -while test $# -gt 0 ; do - case "${1}" in - -h | --help | --h* ) # -h for help - echo "${usage}" 1>&2; exit 0 ;; - -m ) # -m PERM arg - shift - test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; } - dirmode="${1}" - shift ;; - -- ) shift; break ;; # stop option processing - -* ) echo "${usage}" 1>&2; exit 1 ;; # unknown option - * ) break ;; # first non-opt arg - esac -done - -for file -do - if test -d "$file"; then - shift - else - break - fi -done - -case $# in -0) exit 0 ;; -esac - -case $dirmode in -'') - if mkdir -p -- . 2>/dev/null; then - echo "mkdir -p -- $*" - exec mkdir -p -- "$@" - fi ;; -*) - if mkdir -m "$dirmode" -p -- . 2>/dev/null; then - echo "mkdir -m $dirmode -p -- $*" - exec mkdir -m "$dirmode" -p -- "$@" - fi ;; -esac - -for file -do - set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'` - shift - - pathcomp= - for d - do - pathcomp="$pathcomp$d" - case "$pathcomp" in - -* ) pathcomp=./$pathcomp ;; - esac - - if test ! -d "$pathcomp"; then - echo "mkdir $pathcomp" - - mkdir "$pathcomp" || lasterr=$? - - if test ! -d "$pathcomp"; then - errstatus=$lasterr - else - if test ! -z "$dirmode"; then - echo "chmod $dirmode $pathcomp" - - lasterr="" - chmod "$dirmode" "$pathcomp" || lasterr=$? - - if test ! -z "$lasterr"; then - errstatus=$lasterr - fi - fi - fi - fi - - pathcomp="$pathcomp/" - done -done - -exit $errstatus - -# Local Variables: -# mode: shell-script -# sh-indentation: 3 -# End: -# mkinstalldirs ends here diff --git a/vendor/gc/msvc_dbg.c b/vendor/gc/msvc_dbg.c deleted file mode 100644 index 2420a44..0000000 --- a/vendor/gc/msvc_dbg.c +++ /dev/null @@ -1,353 +0,0 @@ -/* - Copyright (c) 2004 Andrei Polushin - - Permission is hereby granted, free of charge, to any person obtaining a copy - of this software and associated documentation files (the "Software"), to deal - in the Software without restriction, including without limitation the rights - to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - copies of the Software, and to permit persons to whom the Software is - furnished to do so, subject to the following conditions: - - The above copyright notice and this permission notice shall be included in - all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - THE SOFTWARE. -*/ -#ifndef _M_AMD64 - -/* X86_64 is ccurrently missing some meachine-dependent code below. */ - -#include "private/msvc_dbg.h" - -#define WIN32_LEAN_AND_MEAN -#include - -#pragma pack(push, 8) -#include -#pragma pack(pop) - -#pragma comment(lib, "dbghelp.lib") -#pragma optimize("gy", off) - -#ifdef _WIN64 - typedef ULONG_PTR ULONG_ADDR; -#else - typedef ULONG ULONG_ADDR; -#endif - -static HANDLE GetSymHandle() -{ - static HANDLE symHandle = NULL; - if (!symHandle) { - BOOL bRet = SymInitialize(symHandle = GetCurrentProcess(), NULL, FALSE); - if (bRet) { - DWORD dwOptions = SymGetOptions(); - dwOptions &= ~SYMOPT_UNDNAME; - dwOptions |= SYMOPT_LOAD_LINES; - SymSetOptions(dwOptions); - } - } - return symHandle; -} - -static void* CALLBACK FunctionTableAccess(HANDLE hProcess, ULONG_ADDR dwAddrBase) -{ - return SymFunctionTableAccess(hProcess, dwAddrBase); -} - -static ULONG_ADDR CALLBACK GetModuleBase(HANDLE hProcess, ULONG_ADDR dwAddress) -{ - MEMORY_BASIC_INFORMATION memoryInfo; - ULONG_ADDR dwAddrBase = SymGetModuleBase(hProcess, dwAddress); - if (dwAddrBase) { - return dwAddrBase; - } - if (VirtualQueryEx(hProcess, (void*)(ULONG_PTR)dwAddress, &memoryInfo, sizeof(memoryInfo))) { - char filePath[_MAX_PATH]; - char curDir[_MAX_PATH]; - char exePath[_MAX_PATH]; - DWORD size = GetModuleFileNameA((HINSTANCE)memoryInfo.AllocationBase, filePath, sizeof(filePath)); - - // Save and restore current directory around SymLoadModule, see KB article Q189780 - GetCurrentDirectoryA(sizeof(curDir), curDir); - GetModuleFileNameA(NULL, exePath, sizeof(exePath)); -#if defined(_MSC_VER) && _MSC_VER == 1200 - /* use strcat for VC6 */ - strcat(exePath, "\\.."); -#else - strcat_s(exePath, sizeof(exePath), "\\.."); -#endif /* _MSC_VER >= 1200 */ - SetCurrentDirectoryA(exePath); -#ifdef _DEBUG - GetCurrentDirectoryA(sizeof(exePath), exePath); -#endif - SymLoadModule(hProcess, NULL, size ? filePath : NULL, NULL, (ULONG_ADDR)(ULONG_PTR)memoryInfo.AllocationBase, 0); - SetCurrentDirectoryA(curDir); - } - return (ULONG_ADDR)(ULONG_PTR)memoryInfo.AllocationBase; -} - -static ULONG_ADDR CheckAddress(void* address) -{ - ULONG_ADDR dwAddress = (ULONG_ADDR)(ULONG_PTR)address; - GetModuleBase(GetSymHandle(), dwAddress); - return dwAddress; -} - -size_t GetStackFrames(size_t skip, void* frames[], size_t maxFrames) -{ - HANDLE hProcess = GetSymHandle(); - HANDLE hThread = GetCurrentThread(); - CONTEXT context; - context.ContextFlags = CONTEXT_FULL; - if (!GetThreadContext(hThread, &context)) { - return 0; - } - // GetThreadContext might return invalid context for the current thread -#if defined(_M_IX86) - __asm mov context.Ebp, ebp -#endif - return GetStackFramesFromContext(hProcess, hThread, &context, skip + 1, frames, maxFrames); -} - -size_t GetStackFramesFromContext(HANDLE hProcess, HANDLE hThread, CONTEXT* context, size_t skip, void* frames[], size_t maxFrames) -{ - size_t frameIndex; - DWORD machineType; - STACKFRAME stackFrame = { 0 }; - stackFrame.AddrPC.Mode = AddrModeFlat; -#if defined(_M_IX86) - machineType = IMAGE_FILE_MACHINE_I386; - stackFrame.AddrPC.Offset = context->Eip; - stackFrame.AddrStack.Mode = AddrModeFlat; - stackFrame.AddrStack.Offset = context->Esp; - stackFrame.AddrFrame.Mode = AddrModeFlat; - stackFrame.AddrFrame.Offset = context->Ebp; -#elif defined(_M_MRX000) - machineType = IMAGE_FILE_MACHINE_R4000; - stackFrame.AddrPC.Offset = context->Fir; -#elif defined(_M_ALPHA) - machineType = IMAGE_FILE_MACHINE_ALPHA; - stackFrame.AddrPC.Offset = (unsigned long)context->Fir; -#elif defined(_M_PPC) - machineType = IMAGE_FILE_MACHINE_POWERPC; - stackFrame.AddrPC.Offset = context->Iar; -#elif defined(_M_IA64) - machineType = IMAGE_FILE_MACHINE_IA64; - stackFrame.AddrPC.Offset = context->StIIP; -#elif defined(_M_ALPHA64) - machineType = IMAGE_FILE_MACHINE_ALPHA64; - stackFrame.AddrPC.Offset = context->Fir; -#else -#error Unknown CPU -#endif - for (frameIndex = 0; frameIndex < maxFrames; ) { - BOOL bRet = StackWalk(machineType, hProcess, hThread, &stackFrame, &context, NULL, FunctionTableAccess, GetModuleBase, NULL); - if (!bRet) { - break; - } - if (skip) { - skip--; - } else { - frames[frameIndex++] = (void*)(ULONG_PTR)stackFrame.AddrPC.Offset; - } - } - return frameIndex; -} - -size_t GetModuleNameFromAddress(void* address, char* moduleName, size_t size) -{ - if (size) *moduleName = 0; - { - const char* sourceName; - IMAGEHLP_MODULE moduleInfo = { sizeof (moduleInfo) }; - if (!SymGetModuleInfo(GetSymHandle(), CheckAddress(address), &moduleInfo)) { - return 0; - } - sourceName = strrchr(moduleInfo.ImageName, '\\'); - if (sourceName) { - sourceName++; - } else { - sourceName = moduleInfo.ImageName; - } - if (size) { - strncpy(moduleName, sourceName, size)[size - 1] = 0; - } - return strlen(sourceName); - } -} - -size_t GetModuleNameFromStack(size_t skip, char* moduleName, size_t size) -{ - void* address = NULL; - GetStackFrames(skip + 1, &address, 1); - if (address) { - return GetModuleNameFromAddress(address, moduleName, size); - } - return 0; -} - -size_t GetSymbolNameFromAddress(void* address, char* symbolName, size_t size, size_t* offsetBytes) -{ - if (size) *symbolName = 0; - if (offsetBytes) *offsetBytes = 0; - __try { - ULONG_ADDR dwOffset = 0; - union { - IMAGEHLP_SYMBOL sym; - char symNameBuffer[sizeof(IMAGEHLP_SYMBOL) + MAX_SYM_NAME]; - } u; - u.sym.SizeOfStruct = sizeof(u.sym); - u.sym.MaxNameLength = sizeof(u.symNameBuffer) - sizeof(u.sym); - - if (!SymGetSymFromAddr(GetSymHandle(), CheckAddress(address), &dwOffset, &u.sym)) { - return 0; - } else { - const char* sourceName = u.sym.Name; - char undName[1024]; - if (UnDecorateSymbolName(u.sym.Name, undName, sizeof(undName), UNDNAME_NO_MS_KEYWORDS | UNDNAME_NO_ACCESS_SPECIFIERS)) { - sourceName = undName; - } else if (SymUnDName(&u.sym, undName, sizeof(undName))) { - sourceName = undName; - } - if (offsetBytes) { - *offsetBytes = dwOffset; - } - if (size) { - strncpy(symbolName, sourceName, size)[size - 1] = 0; - } - return strlen(sourceName); - } - } __except (EXCEPTION_EXECUTE_HANDLER) { - SetLastError(GetExceptionCode()); - } - return 0; -} - -size_t GetSymbolNameFromStack(size_t skip, char* symbolName, size_t size, size_t* offsetBytes) -{ - void* address = NULL; - GetStackFrames(skip + 1, &address, 1); - if (address) { - return GetSymbolNameFromAddress(address, symbolName, size, offsetBytes); - } - return 0; -} - -size_t GetFileLineFromAddress(void* address, char* fileName, size_t size, size_t* lineNumber, size_t* offsetBytes) -{ - if (size) *fileName = 0; - if (lineNumber) *lineNumber = 0; - if (offsetBytes) *offsetBytes = 0; - { - char* sourceName; - IMAGEHLP_LINE line = { sizeof (line) }; - ULONG_PTR dwOffset = 0; - if (!SymGetLineFromAddr(GetSymHandle(), CheckAddress(address), &dwOffset, &line)) { - return 0; - } - if (lineNumber) { - *lineNumber = line.LineNumber; - } - if (offsetBytes) { - *offsetBytes = dwOffset; - } - sourceName = line.FileName; - // TODO: resolve relative filenames, found in 'source directories' registered with MSVC IDE. - if (size) { - strncpy(fileName, sourceName, size)[size - 1] = 0; - } - return strlen(sourceName); - } -} - -size_t GetFileLineFromStack(size_t skip, char* fileName, size_t size, size_t* lineNumber, size_t* offsetBytes) -{ - void* address = NULL; - GetStackFrames(skip + 1, &address, 1); - if (address) { - return GetFileLineFromAddress(address, fileName, size, lineNumber, offsetBytes); - } - return 0; -} - -size_t GetDescriptionFromAddress(void* address, const char* format, char* buffer, size_t size) -{ - char*const begin = buffer; - char*const end = buffer + size; - size_t line_number = 0; - char str[128]; - - if (size) { - *buffer = 0; - } - buffer += GetFileLineFromAddress(address, buffer, size, &line_number, NULL); - size = end < buffer ? 0 : end - buffer; - - if (line_number) { - wsprintf(str, "(%d) : ", line_number); - if (size) { - strncpy(buffer, str, size)[size - 1] = 0; - } - buffer += strlen(str); - size = end < buffer ? 0 : end - buffer; - } - - if (size) { - strncpy(buffer, "at ", size)[size - 1] = 0; - } - buffer += strlen("at "); - size = end < buffer ? 0 : end - buffer; - - buffer += GetSymbolNameFromAddress(address, buffer, size, NULL); - size = end < buffer ? 0 : end - buffer; - - if (size) { - strncpy(buffer, " in ", size)[size - 1] = 0; - } - buffer += strlen(" in "); - size = end < buffer ? 0 : end - buffer; - - buffer += GetModuleNameFromAddress(address, buffer, size); - size = end < buffer ? 0 : end - buffer; - - return buffer - begin; -} - -size_t GetDescriptionFromStack(void*const frames[], size_t count, const char* format, char* description[], size_t size) -{ - char*const begin = (char*)description; - char*const end = begin + size; - char* buffer = begin + (count + 1) * sizeof(char*); - size_t i; - for (i = 0; i < count; ++i) { - if (description) description[i] = buffer; - size = end < buffer ? 0 : end - buffer; - buffer += 1 + GetDescriptionFromAddress(frames[i], NULL, buffer, size); - } - if (description) description[count] = NULL; - return buffer - begin; -} - -/* Compatibility with */ - -int backtrace(void* addresses[], int count) -{ - return GetStackFrames(1, addresses, count); -} - -char** backtrace_symbols(void*const* addresses, int count) -{ - size_t size = GetDescriptionFromStack(addresses, count, NULL, NULL, 0); - char** symbols = (char**)malloc(size); - GetDescriptionFromStack(addresses, count, NULL, symbols, size); - return symbols; -} - -#endif /* !_M_AMD64 */ diff --git a/vendor/gc/new_hblk.c b/vendor/gc/new_hblk.c deleted file mode 100644 index 5d5a56f..0000000 --- a/vendor/gc/new_hblk.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 2000 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - * This file contains the functions: - * ptr_t GC_build_flXXX(h, old_fl) - * void GC_new_hblk(size) - */ -/* Boehm, May 19, 1994 2:09 pm PDT */ - - -# include -# include "private/gc_priv.h" - -#ifndef SMALL_CONFIG -/* - * Build a free list for size 2 (words) cleared objects inside hblk h. - * Set the last link to - * be ofl. Return a pointer tpo the first free list entry. - */ -ptr_t GC_build_fl_clear2(struct hblk *h, ptr_t ofl) -{ - word * p = (word *)(h -> hb_body); - word * lim = (word *)(h + 1); - - p[0] = (word)ofl; - p[1] = 0; - p[2] = (word)p; - p[3] = 0; - p += 4; - for (; p < lim; p += 4) { - p[0] = (word)(p-2); - p[1] = 0; - p[2] = (word)p; - p[3] = 0; - }; - return((ptr_t)(p-2)); -} - -/* The same for size 4 cleared objects */ -ptr_t GC_build_fl_clear4(struct hblk *h, ptr_t ofl) -{ - word * p = (word *)(h -> hb_body); - word * lim = (word *)(h + 1); - - p[0] = (word)ofl; - p[1] = 0; - p[2] = 0; - p[3] = 0; - p += 4; - for (; p < lim; p += 4) { - PREFETCH_FOR_WRITE((ptr_t)(p+64)); - p[0] = (word)(p-4); - p[1] = 0; - CLEAR_DOUBLE(p+2); - }; - return((ptr_t)(p-4)); -} - -/* The same for size 2 uncleared objects */ -ptr_t GC_build_fl2(struct hblk *h, ptr_t ofl) -{ - word * p = (word *)(h -> hb_body); - word * lim = (word *)(h + 1); - - p[0] = (word)ofl; - p[2] = (word)p; - p += 4; - for (; p < lim; p += 4) { - p[0] = (word)(p-2); - p[2] = (word)p; - }; - return((ptr_t)(p-2)); -} - -/* The same for size 4 uncleared objects */ -ptr_t GC_build_fl4(struct hblk *h, ptr_t ofl) -{ - word * p = (word *)(h -> hb_body); - word * lim = (word *)(h + 1); - - p[0] = (word)ofl; - p[4] = (word)p; - p += 8; - for (; p < lim; p += 8) { - PREFETCH_FOR_WRITE((ptr_t)(p+64)); - p[0] = (word)(p-4); - p[4] = (word)p; - }; - return((ptr_t)(p-4)); -} - -#endif /* !SMALL_CONFIG */ - - -/* Build a free list for objects of size sz inside heap block h. */ -/* Clear objects inside h if clear is set. Add list to the end of */ -/* the free list we build. Return the new free list. */ -/* This could be called without the main GC lock, if we ensure that */ -/* there is no concurrent collection which might reclaim objects that */ -/* we have not yet allocated. */ -ptr_t GC_build_fl(struct hblk *h, size_t sz, GC_bool clear, ptr_t list) -{ - word *p, *prev; - word *last_object; /* points to last object in new hblk */ - - /* Do a few prefetches here, just because its cheap. */ - /* If we were more serious about it, these should go inside */ - /* the loops. But write prefetches usually don't seem to */ - /* matter much. */ - PREFETCH_FOR_WRITE((ptr_t)h); - PREFETCH_FOR_WRITE((ptr_t)h + 128); - PREFETCH_FOR_WRITE((ptr_t)h + 256); - PREFETCH_FOR_WRITE((ptr_t)h + 378); - /* Handle small objects sizes more efficiently. For larger objects */ - /* the difference is less significant. */ -# ifndef SMALL_CONFIG - switch (sz) { - case 2: if (clear) { - return GC_build_fl_clear2(h, list); - } else { - return GC_build_fl2(h, list); - } - case 4: if (clear) { - return GC_build_fl_clear4(h, list); - } else { - return GC_build_fl4(h, list); - } - default: - break; - } -# endif /* !SMALL_CONFIG */ - - /* Clear the page if necessary. */ - if (clear) BZERO(h, HBLKSIZE); - - /* Add objects to free list */ - p = (word *)(h -> hb_body) + sz; /* second object in *h */ - prev = (word *)(h -> hb_body); /* One object behind p */ - last_object = (word *)((char *)h + HBLKSIZE); - last_object -= sz; - /* Last place for last object to start */ - - /* make a list of all objects in *h with head as last object */ - while (p <= last_object) { - /* current object's link points to last object */ - obj_link(p) = (ptr_t)prev; - prev = p; - p += sz; - } - p -= sz; /* p now points to last object */ - - /* - * put p (which is now head of list of objects in *h) as first - * pointer in the appropriate free list for this size. - */ - obj_link(h -> hb_body) = list; - return ((ptr_t)p); -} - - -/* - * Allocate a new heapblock for small objects of size gran granules. - * Add all of the heapblock's objects to the free list for objects - * of that size. - * Set all mark bits if objects are uncollectable. - * Will fail to do anything if we are out of memory. - */ -void GC_new_hblk(size_t gran, int kind) -{ - struct hblk *h; /* the new heap block */ - GC_bool clear = GC_obj_kinds[kind].ok_init; - - /* Ignore gcc "no effect" warning on the following: */ - GC_STATIC_ASSERT((sizeof (struct hblk)) == HBLKSIZE); - - if (GC_debugging_started) clear = TRUE; - - /* Allocate a new heap block */ - h = GC_allochblk(GRANULES_TO_BYTES(gran), kind, 0); - if (h == 0) return; - - /* Mark all objects if appropriate. */ - if (IS_UNCOLLECTABLE(kind)) GC_set_hdr_marks(HDR(h)); - - /* Build the free list */ - GC_obj_kinds[kind].ok_freelist[gran] = - GC_build_fl(h, GRANULES_TO_WORDS(gran), clear, - GC_obj_kinds[kind].ok_freelist[gran]); -} - diff --git a/vendor/gc/obj_map.c b/vendor/gc/obj_map.c deleted file mode 100644 index a173195..0000000 --- a/vendor/gc/obj_map.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991, 1992 by Xerox Corporation. All rights reserved. - * Copyright (c) 1999-2001 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* Routines for maintaining maps describing heap block - * layouts for various object sizes. Allows fast pointer validity checks - * and fast location of object start locations on machines (such as SPARC) - * with slow division. - */ - -# include "private/gc_priv.h" - -/* Consider pointers that are offset bytes displaced from the beginning */ -/* of an object to be valid. */ - -void GC_register_displacement(size_t offset) -{ - DCL_LOCK_STATE; - - LOCK(); - GC_register_displacement_inner(offset); - UNLOCK(); -} - -void GC_register_displacement_inner(size_t offset) -{ - if (offset >= VALID_OFFSET_SZ) { - ABORT("Bad argument to GC_register_displacement"); - } - if (!GC_valid_offsets[offset]) { - GC_valid_offsets[offset] = TRUE; - GC_modws_valid_offsets[offset % sizeof(word)] = TRUE; - } -} - -#ifdef MARK_BIT_PER_GRANULE -/* Add a heap block map for objects of size granules to obj_map. */ -/* Return FALSE on failure. */ -/* A size of 0 granules is used for large objects. */ -GC_bool GC_add_map_entry(size_t granules) -{ - unsigned displ; - short * new_map; - - if (granules > BYTES_TO_GRANULES(MAXOBJBYTES)) granules = 0; - if (GC_obj_map[granules] != 0) { - return(TRUE); - } - new_map = (short *)GC_scratch_alloc(MAP_LEN * sizeof(short)); - if (new_map == 0) return(FALSE); - if (GC_print_stats) - GC_log_printf("Adding block map for size of %u granules (%u bytes)\n", - (unsigned)granules, (unsigned)(GRANULES_TO_BYTES(granules))); - if (granules == 0) { - for (displ = 0; displ < BYTES_TO_GRANULES(HBLKSIZE); displ++) { - new_map[displ] = 1; /* Nonzero to get us out of marker fast path. */ - } - } else { - for (displ = 0; displ < BYTES_TO_GRANULES(HBLKSIZE); displ++) { - new_map[displ] = (short)(displ % granules); - } - } - GC_obj_map[granules] = new_map; - return(TRUE); -} -#endif - -static GC_bool offsets_initialized = FALSE; - -void GC_initialize_offsets(void) -{ - if (!offsets_initialized) { - int i; - if (GC_all_interior_pointers) { - for (i = 0; i < VALID_OFFSET_SZ; ++i) GC_valid_offsets[i] = TRUE; - } - offsets_initialized = TRUE; - } -} diff --git a/vendor/gc/os_dep.c b/vendor/gc/os_dep.c deleted file mode 100644 index 5b37e0d..0000000 --- a/vendor/gc/os_dep.c +++ /dev/null @@ -1,4336 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -# include "private/gc_priv.h" -# ifdef THREADS -# include "atomic_ops.h" -# endif - -# if defined(LINUX) && !defined(POWERPC) -# include -# if (LINUX_VERSION_CODE <= 0x10400) - /* Ugly hack to get struct sigcontext_struct definition. Required */ - /* for some early 1.3.X releases. Will hopefully go away soon. */ - /* in some later Linux releases, asm/sigcontext.h may have to */ - /* be included instead. */ -# define __KERNEL__ -# include -# undef __KERNEL__ -# else - /* Kernels prior to 2.1.1 defined struct sigcontext_struct instead of */ - /* struct sigcontext. libc6 (glibc2) uses "struct sigcontext" in */ - /* prototypes, so we have to include the top-level sigcontext.h to */ - /* make sure the former gets defined to be the latter if appropriate. */ -# include -# if 2 <= __GLIBC__ -# if 2 == __GLIBC__ && 0 == __GLIBC_MINOR__ - /* glibc 2.1 no longer has sigcontext.h. But signal.h */ - /* has the right declaration for glibc 2.1. */ -# include -# endif /* 0 == __GLIBC_MINOR__ */ -# else /* not 2 <= __GLIBC__ */ - /* libc5 doesn't have : go directly with the kernel */ - /* one. Check LINUX_VERSION_CODE to see which we should reference. */ -# include -# endif /* 2 <= __GLIBC__ */ -# endif -# endif -# if !defined(OS2) && !defined(PCR) && !defined(AMIGA) && !defined(MACOS) \ - && !defined(MSWINCE) -# include -# if !defined(MSWIN32) -# include -# endif -# endif - -# include -# if defined(MSWINCE) -# define SIGSEGV 0 /* value is irrelevant */ -# else -# include -# endif - -#ifdef UNIX_LIKE -# include -#endif - -#if defined(LINUX) || defined(LINUX_STACKBOTTOM) -# include -#endif - -/* Blatantly OS dependent routines, except for those that are related */ -/* to dynamic loading. */ - -#ifdef AMIGA -# define GC_AMIGA_DEF -# include "AmigaOS.c" -# undef GC_AMIGA_DEF -#endif - -#if defined(MSWIN32) || defined(MSWINCE) || defined(CYGWIN32) -# define WIN32_LEAN_AND_MEAN -# define NOSERVICE -# include - /* It's not clear this is completely kosher under Cygwin. But it */ - /* allows us to get a working GC_get_stack_base. */ -#endif - -#ifdef MACOS -# include -#endif - -#ifdef IRIX5 -# include -# include /* for locking */ -#endif - -#if defined(LINUX) || defined(FREEBSD) || defined(SOLARIS) || defined(IRIX5) \ - || defined(USE_MMAP) || defined(USE_MUNMAP) -# define MMAP_SUPPORTED -#endif - -#if defined(MMAP_SUPPORTED) || defined(ADD_HEAP_GUARD_PAGES) -# if defined(USE_MUNMAP) && !defined(USE_MMAP) - --> USE_MUNMAP requires USE_MMAP -# endif -# include -# include -# include -# include -#endif - -#ifdef DARWIN -/* for get_etext and friends */ -#include -#endif - -#ifdef DJGPP - /* Apparently necessary for djgpp 2.01. May cause problems with */ - /* other versions. */ - typedef long unsigned int caddr_t; -#endif - -#ifdef PCR -# include "il/PCR_IL.h" -# include "th/PCR_ThCtl.h" -# include "mm/PCR_MM.h" -#endif - -#if !defined(NO_EXECUTE_PERMISSION) -# define OPT_PROT_EXEC PROT_EXEC -#else -# define OPT_PROT_EXEC 0 -#endif - -#if defined(LINUX) && \ - (defined(USE_PROC_FOR_LIBRARIES) || defined(IA64) || !defined(SMALL_CONFIG)) -# define NEED_PROC_MAPS -#endif - -#ifdef NEED_PROC_MAPS -/* We need to parse /proc/self/maps, either to find dynamic libraries, */ -/* and/or to find the register backing store base (IA64). Do it once */ -/* here. */ - -#define READ read - -/* Repeatedly perform a read call until the buffer is filled or */ -/* we encounter EOF. */ -ssize_t GC_repeat_read(int fd, char *buf, size_t count) -{ - ssize_t num_read = 0; - ssize_t result; - - while (num_read < count) { - result = READ(fd, buf + num_read, count - num_read); - if (result < 0) return result; - if (result == 0) break; - num_read += result; - } - return num_read; -} - -/* Determine the length of a file by incrementally reading it into a */ -/* This would be sily to use on a file supporting lseek, but Linux */ -/* /proc files usually do not. */ -size_t GC_get_file_len(int f) -{ - size_t total = 0; - ssize_t result; -# define GET_FILE_LEN_BUF_SZ 500 - char buf[GET_FILE_LEN_BUF_SZ]; - - do { - result = read(f, buf, GET_FILE_LEN_BUF_SZ); - if (result == -1) return 0; - total += result; - } while (result > 0); - return total; -} - -size_t GC_get_maps_len(void) -{ - int f = open("/proc/self/maps", O_RDONLY); - size_t result = GC_get_file_len(f); - close(f); - return result; -} - -/* - * Copy the contents of /proc/self/maps to a buffer in our address space. - * Return the address of the buffer, or zero on failure. - * This code could be simplified if we could determine its size - * ahead of time. - */ -char * GC_get_maps(void) -{ - int f; - int result; - static char init_buf[1]; - static char *maps_buf = init_buf; - static size_t maps_buf_sz = 1; - size_t maps_size, old_maps_size = 0; - - /* The buffer is essentially static, so there must be a single client. */ - GC_ASSERT(I_HOLD_LOCK()); - - /* Note that in the presence of threads, the maps file can */ - /* essentially shrink asynchronously and unexpectedly as */ - /* threads that we already think of as dead release their */ - /* stacks. And there is no easy way to read the entire */ - /* file atomically. This is arguably a misfeature of the */ - /* /proc/.../maps interface. */ - - /* Since we dont believe the file can grow */ - /* asynchronously, it should suffice to first determine */ - /* the size (using lseek or read), and then to reread the */ - /* file. If the size is inconsistent we have to retry. */ - /* This only matters with threads enabled, and if we use */ - /* this to locate roots (not the default). */ - - /* Determine the initial size of /proc/self/maps. */ - /* Note that lseek doesn't work, at least as of 2.6.15. */ -# ifdef THREADS - maps_size = GC_get_maps_len(); - if (0 == maps_size) return 0; -# else - maps_size = 4000; /* Guess */ -# endif - - /* Read /proc/self/maps, growing maps_buf as necessary. */ - /* Note that we may not allocate conventionally, and */ - /* thus can't use stdio. */ - do { - while (maps_size >= maps_buf_sz) { - /* Grow only by powers of 2, since we leak "too small" buffers. */ - while (maps_size >= maps_buf_sz) maps_buf_sz *= 2; - maps_buf = GC_scratch_alloc(maps_buf_sz); -# ifdef THREADS - /* Recompute initial length, since we allocated. */ - /* This can only happen a few times per program */ - /* execution. */ - maps_size = GC_get_maps_len(); - if (0 == maps_size) return 0; -# endif - if (maps_buf == 0) return 0; - } - GC_ASSERT(maps_buf_sz >= maps_size + 1); - f = open("/proc/self/maps", O_RDONLY); - if (-1 == f) return 0; -# ifdef THREADS - old_maps_size = maps_size; -# endif - maps_size = 0; - do { - result = GC_repeat_read(f, maps_buf, maps_buf_sz-1); - if (result <= 0) return 0; - maps_size += result; - } while (result == maps_buf_sz-1); - close(f); -# ifdef THREADS - if (maps_size > old_maps_size) { - GC_err_printf("Old maps size = %d, new maps size = %d\n", - old_maps_size, maps_size); - ABORT("Unexpected asynchronous /proc/self/maps growth: " - "Unregistered thread?"); - } -# endif - } while (maps_size >= maps_buf_sz || maps_size < old_maps_size); - /* In the single-threaded case, the second clause is false. */ - maps_buf[maps_size] = '\0'; - - /* Apply fn to result. */ - return maps_buf; -} - -// -// GC_parse_map_entry parses an entry from /proc/self/maps so we can -// locate all writable data segments that belong to shared libraries. -// The format of one of these entries and the fields we care about -// is as follows: -// XXXXXXXX-XXXXXXXX r-xp 00000000 30:05 260537 name of mapping...\n -// ^^^^^^^^ ^^^^^^^^ ^^^^ ^^ -// start end prot maj_dev -// -// Note that since about august 2003 kernels, the columns no longer have -// fixed offsets on 64-bit kernels. Hence we no longer rely on fixed offsets -// anywhere, which is safer anyway. -// - -/* - * Assign various fields of the first line in buf_ptr to *start, *end, - * *prot, *maj_dev and *mapping_name. Mapping_name may be NULL. - * *prot and *mapping_name are assigned pointers into the original - * buffer. - */ -char *GC_parse_map_entry(char *buf_ptr, ptr_t *start, ptr_t *end, - char **prot, unsigned int *maj_dev, - char **mapping_name) -{ - char *start_start, *end_start, *maj_dev_start; - char *p; - char *endp; - - if (buf_ptr == NULL || *buf_ptr == '\0') { - return NULL; - } - - p = buf_ptr; - while (isspace(*p)) ++p; - start_start = p; - GC_ASSERT(isxdigit(*start_start)); - *start = (ptr_t)strtoul(start_start, &endp, 16); p = endp; - GC_ASSERT(*p=='-'); - - ++p; - end_start = p; - GC_ASSERT(isxdigit(*end_start)); - *end = (ptr_t)strtoul(end_start, &endp, 16); p = endp; - GC_ASSERT(isspace(*p)); - - while (isspace(*p)) ++p; - GC_ASSERT(*p == 'r' || *p == '-'); - *prot = p; - /* Skip past protection field to offset field */ - while (!isspace(*p)) ++p; while (isspace(*p)) ++p; - GC_ASSERT(isxdigit(*p)); - /* Skip past offset field, which we ignore */ - while (!isspace(*p)) ++p; while (isspace(*p)) ++p; - maj_dev_start = p; - GC_ASSERT(isxdigit(*maj_dev_start)); - *maj_dev = strtoul(maj_dev_start, NULL, 16); - - if (mapping_name == 0) { - while (*p && *p++ != '\n'); - } else { - while (*p && *p != '\n' && *p != '/' && *p != '[') p++; - *mapping_name = p; - while (*p && *p++ != '\n'); - } - - return p; -} - -/* Try to read the backing store base from /proc/self/maps. */ -/* Return the bounds of the writable mapping with a 0 major device, */ -/* which includes the address passed as data. */ -/* Return FALSE if there is no such mapping. */ -GC_bool GC_enclosing_mapping(ptr_t addr, ptr_t *startp, ptr_t *endp) -{ - char *prot; - ptr_t my_start, my_end; - unsigned int maj_dev; - char *maps = GC_get_maps(); - char *buf_ptr = maps; - - if (0 == maps) return(FALSE); - for (;;) { - buf_ptr = GC_parse_map_entry(buf_ptr, &my_start, &my_end, - &prot, &maj_dev, 0); - - if (buf_ptr == NULL) return FALSE; - if (prot[1] == 'w' && maj_dev == 0) { - if (my_end > addr && my_start <= addr) { - *startp = my_start; - *endp = my_end; - return TRUE; - } - } - } - return FALSE; -} - -#if defined(REDIRECT_MALLOC) -/* Find the text(code) mapping for the library whose name, after */ -/* stripping the directory part, starts with nm. */ -GC_bool GC_text_mapping(char *nm, ptr_t *startp, ptr_t *endp) -{ - size_t nm_len = strlen(nm); - char *prot; - char *map_path; - ptr_t my_start, my_end; - unsigned int maj_dev; - char *maps = GC_get_maps(); - char *buf_ptr = maps; - - if (0 == maps) return(FALSE); - for (;;) { - buf_ptr = GC_parse_map_entry(buf_ptr, &my_start, &my_end, - &prot, &maj_dev, &map_path); - - if (buf_ptr == NULL) return FALSE; - if (prot[0] == 'r' && prot[1] == '-' && prot[2] == 'x') { - char *p = map_path; - /* Set p to point just past last slash, if any. */ - while (*p != '\0' && *p != '\n' && *p != ' ' && *p != '\t') ++p; - while (*p != '/' && p >= map_path) --p; - ++p; - if (strncmp(nm, p, nm_len) == 0) { - *startp = my_start; - *endp = my_end; - return TRUE; - } - } - } - return FALSE; -} -#endif /* REDIRECT_MALLOC */ - -#ifdef IA64 -static ptr_t backing_store_base_from_proc(void) -{ - ptr_t my_start, my_end; - if (!GC_enclosing_mapping(GC_save_regs_in_stack(), &my_start, &my_end)) { - if (GC_print_stats) { - GC_log_printf("Failed to find backing store base from /proc\n"); - } - return 0; - } - return my_start; -} -#endif - -#endif /* NEED_PROC_MAPS */ - -#if defined(SEARCH_FOR_DATA_START) - /* The I386 case can be handled without a search. The Alpha case */ - /* used to be handled differently as well, but the rules changed */ - /* for recent Linux versions. This seems to be the easiest way to */ - /* cover all versions. */ - -# if defined(LINUX) || defined(HURD) - /* Some Linux distributions arrange to define __data_start. Some */ - /* define data_start as a weak symbol. The latter is technically */ - /* broken, since the user program may define data_start, in which */ - /* case we lose. Nonetheless, we try both, prefering __data_start. */ - /* We assume gcc-compatible pragmas. */ -# pragma weak __data_start - extern int __data_start[]; -# pragma weak data_start - extern int data_start[]; -# endif /* LINUX */ - extern int _end[]; - - ptr_t GC_data_start; - - void GC_init_linux_data_start() - { - extern ptr_t GC_find_limit(ptr_t, GC_bool); - -# if defined(LINUX) || defined(HURD) - /* Try the easy approaches first: */ - if ((ptr_t)__data_start != 0) { - GC_data_start = (ptr_t)(__data_start); - return; - } - if ((ptr_t)data_start != 0) { - GC_data_start = (ptr_t)(data_start); - return; - } -# endif /* LINUX */ - GC_data_start = GC_find_limit((ptr_t)(_end), FALSE); - } -#endif - -# ifdef ECOS - -# ifndef ECOS_GC_MEMORY_SIZE -# define ECOS_GC_MEMORY_SIZE (448 * 1024) -# endif /* ECOS_GC_MEMORY_SIZE */ - -// FIXME: This is a simple way of allocating memory which is -// compatible with ECOS early releases. Later releases use a more -// sophisticated means of allocating memory than this simple static -// allocator, but this method is at least bound to work. -static char memory[ECOS_GC_MEMORY_SIZE]; -static char *brk = memory; - -static void *tiny_sbrk(ptrdiff_t increment) -{ - void *p = brk; - - brk += increment; - - if (brk > memory + sizeof memory) - { - brk -= increment; - return NULL; - } - - return p; -} -#define sbrk tiny_sbrk -# endif /* ECOS */ - -#if (defined(NETBSD) || defined(OPENBSD)) && defined(__ELF__) - ptr_t GC_data_start; - - void GC_init_netbsd_elf(void) - { - extern ptr_t GC_find_limit(ptr_t, GC_bool); - extern char **environ; - /* This may need to be environ, without the underscore, for */ - /* some versions. */ - GC_data_start = GC_find_limit((ptr_t)&environ, FALSE); - } -#endif - -# ifdef OS2 - -# include - -# if !defined(__IBMC__) && !defined(__WATCOMC__) /* e.g. EMX */ - -struct exe_hdr { - unsigned short magic_number; - unsigned short padding[29]; - long new_exe_offset; -}; - -#define E_MAGIC(x) (x).magic_number -#define EMAGIC 0x5A4D -#define E_LFANEW(x) (x).new_exe_offset - -struct e32_exe { - unsigned char magic_number[2]; - unsigned char byte_order; - unsigned char word_order; - unsigned long exe_format_level; - unsigned short cpu; - unsigned short os; - unsigned long padding1[13]; - unsigned long object_table_offset; - unsigned long object_count; - unsigned long padding2[31]; -}; - -#define E32_MAGIC1(x) (x).magic_number[0] -#define E32MAGIC1 'L' -#define E32_MAGIC2(x) (x).magic_number[1] -#define E32MAGIC2 'X' -#define E32_BORDER(x) (x).byte_order -#define E32LEBO 0 -#define E32_WORDER(x) (x).word_order -#define E32LEWO 0 -#define E32_CPU(x) (x).cpu -#define E32CPU286 1 -#define E32_OBJTAB(x) (x).object_table_offset -#define E32_OBJCNT(x) (x).object_count - -struct o32_obj { - unsigned long size; - unsigned long base; - unsigned long flags; - unsigned long pagemap; - unsigned long mapsize; - unsigned long reserved; -}; - -#define O32_FLAGS(x) (x).flags -#define OBJREAD 0x0001L -#define OBJWRITE 0x0002L -#define OBJINVALID 0x0080L -#define O32_SIZE(x) (x).size -#define O32_BASE(x) (x).base - -# else /* IBM's compiler */ - -/* A kludge to get around what appears to be a header file bug */ -# ifndef WORD -# define WORD unsigned short -# endif -# ifndef DWORD -# define DWORD unsigned long -# endif - -# define EXE386 1 -# include -# include - -# endif /* __IBMC__ */ - -# define INCL_DOSEXCEPTIONS -# define INCL_DOSPROCESS -# define INCL_DOSERRORS -# define INCL_DOSMODULEMGR -# define INCL_DOSMEMMGR -# include - - -/* Disable and enable signals during nontrivial allocations */ - -void GC_disable_signals(void) -{ - ULONG nest; - - DosEnterMustComplete(&nest); - if (nest != 1) ABORT("nested GC_disable_signals"); -} - -void GC_enable_signals(void) -{ - ULONG nest; - - DosExitMustComplete(&nest); - if (nest != 0) ABORT("GC_enable_signals"); -} - - -# else - -# if !defined(PCR) && !defined(AMIGA) && !defined(MSWIN32) \ - && !defined(MSWINCE) \ - && !defined(MACOS) && !defined(DJGPP) && !defined(DOS4GW) \ - && !defined(NOSYS) && !defined(ECOS) - -# if 0 - /* Use the traditional BSD interface */ -# define SIGSET_T int -# define SIG_DEL(set, signal) (set) &= ~(sigmask(signal)) -# define SIG_FILL(set) (set) = 0x7fffffff - /* Setting the leading bit appears to provoke a bug in some */ - /* longjmp implementations. Most systems appear not to have */ - /* a signal 32. */ -# define SIGSETMASK(old, new) (old) = sigsetmask(new) -# endif - - /* Use POSIX/SYSV interface */ -# define SIGSET_T sigset_t -# define SIG_DEL(set, signal) sigdelset(&(set), (signal)) -# define SIG_FILL(set) sigfillset(&set) -# define SIGSETMASK(old, new) sigprocmask(SIG_SETMASK, &(new), &(old)) - - -static GC_bool mask_initialized = FALSE; - -static SIGSET_T new_mask; - -static SIGSET_T old_mask; - -static SIGSET_T dummy; - -#if defined(GC_ASSERTIONS) && !defined(THREADS) -# define CHECK_SIGNALS - int GC_sig_disabled = 0; -#endif - -void GC_disable_signals(void) -{ - if (!mask_initialized) { - SIG_FILL(new_mask); - - SIG_DEL(new_mask, SIGSEGV); - SIG_DEL(new_mask, SIGILL); - SIG_DEL(new_mask, SIGQUIT); -# ifdef SIGBUS - SIG_DEL(new_mask, SIGBUS); -# endif -# ifdef SIGIOT - SIG_DEL(new_mask, SIGIOT); -# endif -# ifdef SIGEMT - SIG_DEL(new_mask, SIGEMT); -# endif -# ifdef SIGTRAP - SIG_DEL(new_mask, SIGTRAP); -# endif - mask_initialized = TRUE; - } -# ifdef CHECK_SIGNALS - if (GC_sig_disabled != 0) ABORT("Nested disables"); - GC_sig_disabled++; -# endif - SIGSETMASK(old_mask,new_mask); -} - -void GC_enable_signals(void) -{ -# ifdef CHECK_SIGNALS - if (GC_sig_disabled != 1) ABORT("Unmatched enable"); - GC_sig_disabled--; -# endif - SIGSETMASK(dummy,old_mask); -} - -# endif /* !PCR */ - -# endif /*!OS/2 */ - -/* Ivan Demakov: simplest way (to me) */ -#if defined (DOS4GW) - void GC_disable_signals() { } - void GC_enable_signals() { } -#endif - -/* Find the page size */ -word GC_page_size; - -# if defined(MSWIN32) || defined(MSWINCE) - void GC_setpagesize(void) - { - GetSystemInfo(&GC_sysinfo); - GC_page_size = GC_sysinfo.dwPageSize; - } - -# else -# if defined(MPROTECT_VDB) || defined(PROC_VDB) || defined(USE_MMAP) - void GC_setpagesize(void) - { - GC_page_size = GETPAGESIZE(); - } -# else - /* It's acceptable to fake it. */ - void GC_setpagesize(void) - { - GC_page_size = HBLKSIZE; - } -# endif -# endif - -/* - * Find the base of the stack. - * Used only in single-threaded environment. - * With threads, GC_mark_roots needs to know how to do this. - * Called with allocator lock held. - */ -# if defined(MSWIN32) || defined(MSWINCE) || defined(CYGWIN32) -# define is_writable(prot) ((prot) == PAGE_READWRITE \ - || (prot) == PAGE_WRITECOPY \ - || (prot) == PAGE_EXECUTE_READWRITE \ - || (prot) == PAGE_EXECUTE_WRITECOPY) -/* Return the number of bytes that are writable starting at p. */ -/* The pointer p is assumed to be page aligned. */ -/* If base is not 0, *base becomes the beginning of the */ -/* allocation region containing p. */ -word GC_get_writable_length(ptr_t p, ptr_t *base) -{ - MEMORY_BASIC_INFORMATION buf; - word result; - word protect; - - result = VirtualQuery(p, &buf, sizeof(buf)); - if (result != sizeof(buf)) ABORT("Weird VirtualQuery result"); - if (base != 0) *base = (ptr_t)(buf.AllocationBase); - protect = (buf.Protect & ~(PAGE_GUARD | PAGE_NOCACHE)); - if (!is_writable(protect)) { - return(0); - } - if (buf.State != MEM_COMMIT) return(0); - return(buf.RegionSize); -} - -GC_API int GC_get_stack_base(struct GC_stack_base *sb) -{ - int dummy; - ptr_t sp = (ptr_t)(&dummy); - ptr_t trunc_sp = (ptr_t)((word)sp & ~(GC_page_size - 1)); - word size = GC_get_writable_length(trunc_sp, 0); - - sb -> mem_base = trunc_sp + size; - return GC_SUCCESS; -} - -#define HAVE_GET_STACK_BASE - -/* This is always called from the main thread. */ -ptr_t GC_get_main_stack_base(void) -{ - struct GC_stack_base sb; - - GC_get_stack_base(&sb); - return (ptr_t)sb.mem_base; -} - -# endif /* MS Windows */ - -# ifdef BEOS -# include -ptr_t GC_get_main_stack_base(void){ - thread_info th; - get_thread_info(find_thread(NULL),&th); - return th.stack_end; -} -# endif /* BEOS */ - - -# ifdef OS2 - -ptr_t GC_get_main_stack_base(void) -{ - PTIB ptib; - PPIB ppib; - - if (DosGetInfoBlocks(&ptib, &ppib) != NO_ERROR) { - GC_err_printf("DosGetInfoBlocks failed\n"); - ABORT("DosGetInfoBlocks failed\n"); - } - return((ptr_t)(ptib -> tib_pstacklimit)); -} - -# endif /* OS2 */ - -# ifdef AMIGA -# define GC_AMIGA_SB -# include "AmigaOS.c" -# undef GC_AMIGA_SB -# endif /* AMIGA */ - -# if defined(NEED_FIND_LIMIT) || defined(UNIX_LIKE) - - typedef void (*handler)(int); - -# if defined(SUNOS5SIGS) || defined(IRIX5) || defined(OSF1) \ - || defined(HURD) || defined(NETBSD) - static struct sigaction old_segv_act; -# if defined(_sigargs) /* !Irix6.x */ || defined(HPUX) \ - || defined(HURD) || defined(NETBSD) - static struct sigaction old_bus_act; -# endif -# else - static handler old_segv_handler, old_bus_handler; -# endif - - void GC_set_and_save_fault_handler(handler h) - { -# if defined(SUNOS5SIGS) || defined(IRIX5) \ - || defined(OSF1) || defined(HURD) || defined(NETBSD) - struct sigaction act; - - act.sa_handler = h; -# if 0 /* Was necessary for Solaris 2.3 and very temporary */ - /* NetBSD bugs. */ - act.sa_flags = SA_RESTART | SA_NODEFER; -# else - act.sa_flags = SA_RESTART; -# endif - - (void) sigemptyset(&act.sa_mask); -# ifdef GC_IRIX_THREADS - /* Older versions have a bug related to retrieving and */ - /* and setting a handler at the same time. */ - (void) sigaction(SIGSEGV, 0, &old_segv_act); - (void) sigaction(SIGSEGV, &act, 0); -# else - (void) sigaction(SIGSEGV, &act, &old_segv_act); -# if defined(IRIX5) && defined(_sigargs) /* Irix 5.x, not 6.x */ \ - || defined(HPUX) || defined(HURD) || defined(NETBSD) - /* Under Irix 5.x or HP/UX, we may get SIGBUS. */ - /* Pthreads doesn't exist under Irix 5.x, so we */ - /* don't have to worry in the threads case. */ - (void) sigaction(SIGBUS, &act, &old_bus_act); -# endif -# endif /* GC_IRIX_THREADS */ -# else - old_segv_handler = signal(SIGSEGV, h); -# ifdef SIGBUS - old_bus_handler = signal(SIGBUS, h); -# endif -# endif - } -# endif /* NEED_FIND_LIMIT || UNIX_LIKE */ - -# if defined(NEED_FIND_LIMIT) || \ - defined(USE_PROC_FOR_LIBRARIES) && defined(THREADS) - /* Some tools to implement HEURISTIC2 */ -# define MIN_PAGE_SIZE 256 /* Smallest conceivable page size, bytes */ - - /*ARGSUSED*/ - void GC_fault_handler(int sig) - { - LONGJMP(GC_jmp_buf, 1); - } - - void GC_setup_temporary_fault_handler(void) - { - /* Handler is process-wide, so this should only happen in */ - /* one thread at a time. */ - GC_ASSERT(I_HOLD_LOCK()); - GC_set_and_save_fault_handler(GC_fault_handler); - } - - void GC_reset_fault_handler(void) - { -# if defined(SUNOS5SIGS) || defined(IRIX5) \ - || defined(OSF1) || defined(HURD) || defined(NETBSD) - (void) sigaction(SIGSEGV, &old_segv_act, 0); -# if defined(IRIX5) && defined(_sigargs) /* Irix 5.x, not 6.x */ \ - || defined(HPUX) || defined(HURD) || defined(NETBSD) - (void) sigaction(SIGBUS, &old_bus_act, 0); -# endif -# else - (void) signal(SIGSEGV, old_segv_handler); -# ifdef SIGBUS - (void) signal(SIGBUS, old_bus_handler); -# endif -# endif - } - - /* Return the first nonaddressible location > p (up) or */ - /* the smallest location q s.t. [q,p) is addressable (!up). */ - /* We assume that p (up) or p-1 (!up) is addressable. */ - /* Requires allocation lock. */ - ptr_t GC_find_limit_with_bound(ptr_t p, GC_bool up, ptr_t bound) - { - static volatile ptr_t result; - /* Safer if static, since otherwise it may not be */ - /* preserved across the longjmp. Can safely be */ - /* static since it's only called with the */ - /* allocation lock held. */ - - GC_ASSERT(I_HOLD_LOCK()); - GC_setup_temporary_fault_handler(); - if (SETJMP(GC_jmp_buf) == 0) { - result = (ptr_t)(((word)(p)) - & ~(MIN_PAGE_SIZE-1)); - for (;;) { - if (up) { - result += MIN_PAGE_SIZE; - if (result >= bound) return bound; - } else { - result -= MIN_PAGE_SIZE; - if (result <= bound) return bound; - } - GC_noop1((word)(*result)); - } - } - GC_reset_fault_handler(); - if (!up) { - result += MIN_PAGE_SIZE; - } - return(result); - } - - ptr_t GC_find_limit(ptr_t p, GC_bool up) - { - if (up) { - return GC_find_limit_with_bound(p, up, (ptr_t)(word)(-1)); - } else { - return GC_find_limit_with_bound(p, up, 0); - } - } -# endif - -#if defined(ECOS) || defined(NOSYS) - ptr_t GC_get_main_stack_base(void) - { - return STACKBOTTOM; - } -#endif - -#ifdef HPUX_STACKBOTTOM - -#include -#include - - ptr_t GC_get_register_stack_base(void) - { - struct pst_vm_status vm_status; - - int i = 0; - while (pstat_getprocvm(&vm_status, sizeof(vm_status), 0, i++) == 1) { - if (vm_status.pst_type == PS_RSESTACK) { - return (ptr_t) vm_status.pst_vaddr; - } - } - - /* old way to get the register stackbottom */ - return (ptr_t)(((word)GC_stackbottom - BACKING_STORE_DISPLACEMENT - 1) - & ~(BACKING_STORE_ALIGNMENT - 1)); - } - -#endif /* HPUX_STACK_BOTTOM */ - -#ifdef LINUX_STACKBOTTOM - -#include -#include - -# define STAT_SKIP 27 /* Number of fields preceding startstack */ - /* field in /proc/self/stat */ - -#ifdef USE_LIBC_PRIVATES -# pragma weak __libc_stack_end - extern ptr_t __libc_stack_end; -#endif - -# ifdef IA64 -# ifdef USE_LIBC_PRIVATES -# pragma weak __libc_ia64_register_backing_store_base - extern ptr_t __libc_ia64_register_backing_store_base; -# endif - - ptr_t GC_get_register_stack_base(void) - { - ptr_t result; - -# ifdef USE_LIBC_PRIVATES - if (0 != &__libc_ia64_register_backing_store_base - && 0 != __libc_ia64_register_backing_store_base) { - /* Glibc 2.2.4 has a bug such that for dynamically linked */ - /* executables __libc_ia64_register_backing_store_base is */ - /* defined but uninitialized during constructor calls. */ - /* Hence we check for both nonzero address and value. */ - return __libc_ia64_register_backing_store_base; - } -# endif - result = backing_store_base_from_proc(); - if (0 == result) { - result = GC_find_limit(GC_save_regs_in_stack(), FALSE); - /* Now seems to work better than constant displacement */ - /* heuristic used in 6.X versions. The latter seems to */ - /* fail for 2.6 kernels. */ - } - return result; - } -# endif - - ptr_t GC_linux_stack_base(void) - { - /* We read the stack base value from /proc/self/stat. We do this */ - /* using direct I/O system calls in order to avoid calling malloc */ - /* in case REDIRECT_MALLOC is defined. */ -# define STAT_BUF_SIZE 4096 -# define STAT_READ read - /* Should probably call the real read, if read is wrapped. */ - char stat_buf[STAT_BUF_SIZE]; - int f; - char c; - word result = 0; - size_t i, buf_offset = 0; - - /* First try the easy way. This should work for glibc 2.2 */ - /* This fails in a prelinked ("prelink" command) executable */ - /* since the correct value of __libc_stack_end never */ - /* becomes visible to us. The second test works around */ - /* this. */ -# ifdef USE_LIBC_PRIVATES - if (0 != &__libc_stack_end && 0 != __libc_stack_end ) { -# if defined(IA64) - /* Some versions of glibc set the address 16 bytes too */ - /* low while the initialization code is running. */ - if (((word)__libc_stack_end & 0xfff) + 0x10 < 0x1000) { - return __libc_stack_end + 0x10; - } /* Otherwise it's not safe to add 16 bytes and we fall */ - /* back to using /proc. */ -# elif defined(SPARC) - /* Older versions of glibc for 64-bit Sparc do not set - * this variable correctly, it gets set to either zero - * or one. - */ - if (__libc_stack_end != (ptr_t) (unsigned long)0x1) - return __libc_stack_end; -# else - return __libc_stack_end; -# endif - } -# endif - f = open("/proc/self/stat", O_RDONLY); - if (f < 0 || STAT_READ(f, stat_buf, STAT_BUF_SIZE) < 2 * STAT_SKIP) { - ABORT("Couldn't read /proc/self/stat"); - } - c = stat_buf[buf_offset++]; - /* Skip the required number of fields. This number is hopefully */ - /* constant across all Linux implementations. */ - for (i = 0; i < STAT_SKIP; ++i) { - while (isspace(c)) c = stat_buf[buf_offset++]; - while (!isspace(c)) c = stat_buf[buf_offset++]; - } - while (isspace(c)) c = stat_buf[buf_offset++]; - while (isdigit(c)) { - result *= 10; - result += c - '0'; - c = stat_buf[buf_offset++]; - } - close(f); - if (result < 0x10000000) ABORT("Absurd stack bottom value"); - return (ptr_t)result; - } - -#endif /* LINUX_STACKBOTTOM */ - -#ifdef FREEBSD_STACKBOTTOM - -/* This uses an undocumented sysctl call, but at least one expert */ -/* believes it will stay. */ - -#include -#include -#include - - ptr_t GC_freebsd_stack_base(void) - { - int nm[2] = {CTL_KERN, KERN_USRSTACK}; - ptr_t base; - size_t len = sizeof(ptr_t); - int r = sysctl(nm, 2, &base, &len, NULL, 0); - - if (r) ABORT("Error getting stack base"); - - return base; - } - -#endif /* FREEBSD_STACKBOTTOM */ - -#if !defined(BEOS) && !defined(AMIGA) && !defined(MSWIN32) \ - && !defined(MSWINCE) && !defined(OS2) && !defined(NOSYS) && !defined(ECOS) \ - && !defined(CYGWIN32) - -ptr_t GC_get_main_stack_base(void) -{ -# if defined(HEURISTIC1) || defined(HEURISTIC2) - word dummy; -# endif - ptr_t result; - -# define STACKBOTTOM_ALIGNMENT_M1 ((word)STACK_GRAN - 1) - -# ifdef STACKBOTTOM - return(STACKBOTTOM); -# else -# ifdef HEURISTIC1 -# ifdef STACK_GROWS_DOWN - result = (ptr_t)((((word)(&dummy)) - + STACKBOTTOM_ALIGNMENT_M1) - & ~STACKBOTTOM_ALIGNMENT_M1); -# else - result = (ptr_t)(((word)(&dummy)) - & ~STACKBOTTOM_ALIGNMENT_M1); -# endif -# endif /* HEURISTIC1 */ -# ifdef LINUX_STACKBOTTOM - result = GC_linux_stack_base(); -# endif -# ifdef FREEBSD_STACKBOTTOM - result = GC_freebsd_stack_base(); -# endif -# ifdef HEURISTIC2 -# ifdef STACK_GROWS_DOWN - result = GC_find_limit((ptr_t)(&dummy), TRUE); -# ifdef HEURISTIC2_LIMIT - if (result > HEURISTIC2_LIMIT - && (ptr_t)(&dummy) < HEURISTIC2_LIMIT) { - result = HEURISTIC2_LIMIT; - } -# endif -# else - result = GC_find_limit((ptr_t)(&dummy), FALSE); -# ifdef HEURISTIC2_LIMIT - if (result < HEURISTIC2_LIMIT - && (ptr_t)(&dummy) > HEURISTIC2_LIMIT) { - result = HEURISTIC2_LIMIT; - } -# endif -# endif - -# endif /* HEURISTIC2 */ -# ifdef STACK_GROWS_DOWN - if (result == 0) result = (ptr_t)(signed_word)(-sizeof(ptr_t)); -# endif - return(result); -# endif /* STACKBOTTOM */ -} - -# endif /* ! AMIGA, !OS 2, ! MS Windows, !BEOS, !NOSYS, !ECOS */ - -#if defined(GC_LINUX_THREADS) && !defined(HAVE_GET_STACK_BASE) - -#include - -#ifdef IA64 - ptr_t GC_greatest_stack_base_below(ptr_t bound); - /* From pthread_support.c */ -#endif - -int GC_get_stack_base(struct GC_stack_base *b) -{ - pthread_attr_t attr; - size_t size; - - if (pthread_getattr_np(pthread_self(), &attr) != 0) { - WARN("pthread_getattr_np failed\n", 0); - return GC_UNIMPLEMENTED; - } - if (pthread_attr_getstack(&attr, &(b -> mem_base), &size) != 0) { - ABORT("pthread_attr_getstack failed"); - } -# ifdef STACK_GROWS_DOWN - b -> mem_base = (char *)(b -> mem_base) + size; -# endif -# ifdef IA64 - /* We could try backing_store_base_from_proc, but that's safe */ - /* only if no mappings are being asynchronously created. */ - /* Subtracting the size from the stack base doesn't work for at */ - /* least the main thread. */ - LOCK(); - { - ptr_t bsp = GC_save_regs_in_stack(); - ptr_t next_stack = GC_greatest_stack_base_below(bsp); - if (0 == next_stack) { - b -> reg_base = GC_find_limit(bsp, FALSE); - } else { - /* Avoid walking backwards into preceding memory stack and */ - /* growing it. */ - b -> reg_base = GC_find_limit_with_bound(bsp, FALSE, next_stack); - } - } - UNLOCK(); -# endif - return GC_SUCCESS; -} - -#define HAVE_GET_STACK_BASE - -#endif /* GC_LINUX_THREADS */ - -#ifndef HAVE_GET_STACK_BASE -/* Retrieve stack base. */ -/* Using the GC_find_limit version is risky. */ -/* On IA64, for example, there is no guard page between the */ -/* stack of one thread and the register backing store of the */ -/* next. Thus this is likely to identify way too large a */ -/* "stack" and thus at least result in disastrous performance. */ -/* FIXME - Implement better strategies here. */ -int GC_get_stack_base(struct GC_stack_base *b) -{ - int dummy; - -# ifdef NEED_FIND_LIMIT -# ifdef STACK_GROWS_DOWN - b -> mem_base = GC_find_limit((ptr_t)(&dummy), TRUE); -# ifdef IA64 - b -> reg_base = GC_find_limit(GC_save_regs_in_stack(), FALSE); -# endif -# else - b -> mem_base = GC_find_limit(&dummy, FALSE); -# endif - return GC_SUCCESS; -# else - return GC_UNIMPLEMENTED; -# endif -} -#endif - -/* - * Register static data segment(s) as roots. - * If more data segments are added later then they need to be registered - * add that point (as we do with SunOS dynamic loading), - * or GC_mark_roots needs to check for them (as we do with PCR). - * Called with allocator lock held. - */ - -# ifdef OS2 - -void GC_register_data_segments(void) -{ - PTIB ptib; - PPIB ppib; - HMODULE module_handle; -# define PBUFSIZ 512 - UCHAR path[PBUFSIZ]; - FILE * myexefile; - struct exe_hdr hdrdos; /* MSDOS header. */ - struct e32_exe hdr386; /* Real header for my executable */ - struct o32_obj seg; /* Currrent segment */ - int nsegs; - - - if (DosGetInfoBlocks(&ptib, &ppib) != NO_ERROR) { - GC_err_printf("DosGetInfoBlocks failed\n"); - ABORT("DosGetInfoBlocks failed\n"); - } - module_handle = ppib -> pib_hmte; - if (DosQueryModuleName(module_handle, PBUFSIZ, path) != NO_ERROR) { - GC_err_printf("DosQueryModuleName failed\n"); - ABORT("DosGetInfoBlocks failed\n"); - } - myexefile = fopen(path, "rb"); - if (myexefile == 0) { - GC_err_puts("Couldn't open executable "); - GC_err_puts(path); GC_err_puts("\n"); - ABORT("Failed to open executable\n"); - } - if (fread((char *)(&hdrdos), 1, sizeof hdrdos, myexefile) < sizeof hdrdos) { - GC_err_puts("Couldn't read MSDOS header from "); - GC_err_puts(path); GC_err_puts("\n"); - ABORT("Couldn't read MSDOS header"); - } - if (E_MAGIC(hdrdos) != EMAGIC) { - GC_err_puts("Executable has wrong DOS magic number: "); - GC_err_puts(path); GC_err_puts("\n"); - ABORT("Bad DOS magic number"); - } - if (fseek(myexefile, E_LFANEW(hdrdos), SEEK_SET) != 0) { - GC_err_puts("Seek to new header failed in "); - GC_err_puts(path); GC_err_puts("\n"); - ABORT("Bad DOS magic number"); - } - if (fread((char *)(&hdr386), 1, sizeof hdr386, myexefile) < sizeof hdr386) { - GC_err_puts("Couldn't read MSDOS header from "); - GC_err_puts(path); GC_err_puts("\n"); - ABORT("Couldn't read OS/2 header"); - } - if (E32_MAGIC1(hdr386) != E32MAGIC1 || E32_MAGIC2(hdr386) != E32MAGIC2) { - GC_err_puts("Executable has wrong OS/2 magic number:"); - GC_err_puts(path); GC_err_puts("\n"); - ABORT("Bad OS/2 magic number"); - } - if ( E32_BORDER(hdr386) != E32LEBO || E32_WORDER(hdr386) != E32LEWO) { - GC_err_puts("Executable %s has wrong byte order: "); - GC_err_puts(path); GC_err_puts("\n"); - ABORT("Bad byte order"); - } - if ( E32_CPU(hdr386) == E32CPU286) { - GC_err_puts("GC can't handle 80286 executables: "); - GC_err_puts(path); GC_err_puts("\n"); - EXIT(); - } - if (fseek(myexefile, E_LFANEW(hdrdos) + E32_OBJTAB(hdr386), - SEEK_SET) != 0) { - GC_err_puts("Seek to object table failed: "); - GC_err_puts(path); GC_err_puts("\n"); - ABORT("Seek to object table failed"); - } - for (nsegs = E32_OBJCNT(hdr386); nsegs > 0; nsegs--) { - int flags; - if (fread((char *)(&seg), 1, sizeof seg, myexefile) < sizeof seg) { - GC_err_puts("Couldn't read obj table entry from "); - GC_err_puts(path); GC_err_puts("\n"); - ABORT("Couldn't read obj table entry"); - } - flags = O32_FLAGS(seg); - if (!(flags & OBJWRITE)) continue; - if (!(flags & OBJREAD)) continue; - if (flags & OBJINVALID) { - GC_err_printf("Object with invalid pages?\n"); - continue; - } - GC_add_roots_inner(O32_BASE(seg), O32_BASE(seg)+O32_SIZE(seg), FALSE); - } -} - -# else /* !OS2 */ - -# if defined(MSWIN32) || defined(MSWINCE) - -# ifdef MSWIN32 - /* Unfortunately, we have to handle win32s very differently from NT, */ - /* Since VirtualQuery has very different semantics. In particular, */ - /* under win32s a VirtualQuery call on an unmapped page returns an */ - /* invalid result. Under NT, GC_register_data_segments is a noop and */ - /* all real work is done by GC_register_dynamic_libraries. Under */ - /* win32s, we cannot find the data segments associated with dll's. */ - /* We register the main data segment here. */ - GC_bool GC_no_win32_dlls = FALSE; - /* This used to be set for gcc, to avoid dealing with */ - /* the structured exception handling issues. But we now have */ - /* assembly code to do that right. */ - -# if defined(GWW_VDB) - -# ifndef _BASETSD_H_ - typedef ULONG * PULONG_PTR; -# endif - typedef UINT (WINAPI * GetWriteWatch_type)( - DWORD, PVOID, SIZE_T, PVOID*, PULONG_PTR, PULONG); - static GetWriteWatch_type GetWriteWatch_func; - static DWORD GetWriteWatch_alloc_flag; - -# define GC_GWW_AVAILABLE() (GetWriteWatch_func != NULL) - - static void detect_GetWriteWatch(void) - { - static GC_bool done; - if (done) - return; - - GetWriteWatch_func = (GetWriteWatch_type) - GetProcAddress(GetModuleHandle("kernel32.dll"), "GetWriteWatch"); - if (GetWriteWatch_func != NULL) { - /* Also check whether VirtualAlloc accepts MEM_WRITE_WATCH, */ - /* as some versions of kernel32.dll have one but not the */ - /* other, making the feature completely broken. */ - void * page = VirtualAlloc(NULL, GC_page_size, - MEM_WRITE_WATCH | MEM_RESERVE, - PAGE_READWRITE); - if (page != NULL) { - PVOID pages[16]; - ULONG_PTR count = 16; - DWORD page_size; - /* Check that it actually works. In spite of some */ - /* documentation it actually seems to exist on W2K. */ - /* This test may be unnecessary, but ... */ - if (GetWriteWatch_func(WRITE_WATCH_FLAG_RESET, - page, GC_page_size, - pages, - &count, - &page_size) != 0) { - /* GetWriteWatch always fails. */ - GetWriteWatch_func = NULL; - } else { - GetWriteWatch_alloc_flag = MEM_WRITE_WATCH; - } - VirtualFree(page, GC_page_size, MEM_RELEASE); - } else { - /* GetWriteWatch will be useless. */ - GetWriteWatch_func = NULL; - } - } - if (GC_print_stats) { - if (GetWriteWatch_func == NULL) { - GC_log_printf("Did not find a usable GetWriteWatch()\n"); - } else { - GC_log_printf("Using GetWriteWatch()\n"); - } - } - done = TRUE; - } - -# endif /* GWW_VDB */ - - GC_bool GC_wnt = FALSE; - /* This is a Windows NT derivative, i.e. NT, W2K, XP or later. */ - - void GC_init_win32(void) - { - /* Set GC_wnt. */ - /* If we're running under win32s, assume that no DLLs will be loaded */ - /* I doubt anyone still runs win32s, but ... */ - DWORD v = GetVersion(); - GC_wnt = !(v & 0x80000000); - GC_no_win32_dlls |= ((!GC_wnt) && (v & 0xff) <= 3); - } - - /* Return the smallest address a such that VirtualQuery */ - /* returns correct results for all addresses between a and start. */ - /* Assumes VirtualQuery returns correct information for start. */ - ptr_t GC_least_described_address(ptr_t start) - { - MEMORY_BASIC_INFORMATION buf; - size_t result; - LPVOID limit; - ptr_t p; - LPVOID q; - - limit = GC_sysinfo.lpMinimumApplicationAddress; - p = (ptr_t)((word)start & ~(GC_page_size - 1)); - for (;;) { - q = (LPVOID)(p - GC_page_size); - if ((ptr_t)q > (ptr_t)p /* underflow */ || q < limit) break; - result = VirtualQuery(q, &buf, sizeof(buf)); - if (result != sizeof(buf) || buf.AllocationBase == 0) break; - p = (ptr_t)(buf.AllocationBase); - } - return p; - } -# endif - -# ifndef REDIRECT_MALLOC - /* We maintain a linked list of AllocationBase values that we know */ - /* correspond to malloc heap sections. Currently this is only called */ - /* during a GC. But there is some hope that for long running */ - /* programs we will eventually see most heap sections. */ - - /* In the long run, it would be more reliable to occasionally walk */ - /* the malloc heap with HeapWalk on the default heap. But that */ - /* apparently works only for NT-based Windows. */ - - /* In the long run, a better data structure would also be nice ... */ - struct GC_malloc_heap_list { - void * allocation_base; - struct GC_malloc_heap_list *next; - } *GC_malloc_heap_l = 0; - - /* Is p the base of one of the malloc heap sections we already know */ - /* about? */ - GC_bool GC_is_malloc_heap_base(ptr_t p) - { - struct GC_malloc_heap_list *q = GC_malloc_heap_l; - - while (0 != q) { - if (q -> allocation_base == p) return TRUE; - q = q -> next; - } - return FALSE; - } - - void *GC_get_allocation_base(void *p) - { - MEMORY_BASIC_INFORMATION buf; - size_t result = VirtualQuery(p, &buf, sizeof(buf)); - if (result != sizeof(buf)) { - ABORT("Weird VirtualQuery result"); - } - return buf.AllocationBase; - } - - size_t GC_max_root_size = 100000; /* Appr. largest root size. */ - - void GC_add_current_malloc_heap() - { - struct GC_malloc_heap_list *new_l = - malloc(sizeof(struct GC_malloc_heap_list)); - void * candidate = GC_get_allocation_base(new_l); - - if (new_l == 0) return; - if (GC_is_malloc_heap_base(candidate)) { - /* Try a little harder to find malloc heap. */ - size_t req_size = 10000; - do { - void *p = malloc(req_size); - if (0 == p) { free(new_l); return; } - candidate = GC_get_allocation_base(p); - free(p); - req_size *= 2; - } while (GC_is_malloc_heap_base(candidate) - && req_size < GC_max_root_size/10 && req_size < 500000); - if (GC_is_malloc_heap_base(candidate)) { - free(new_l); return; - } - } - if (GC_print_stats) - GC_log_printf("Found new system malloc AllocationBase at %p\n", - candidate); - new_l -> allocation_base = candidate; - new_l -> next = GC_malloc_heap_l; - GC_malloc_heap_l = new_l; - } -# endif /* REDIRECT_MALLOC */ - - /* Is p the start of either the malloc heap, or of one of our */ - /* heap sections? */ - GC_bool GC_is_heap_base (ptr_t p) - { - - unsigned i; - -# ifndef REDIRECT_MALLOC - if (GC_root_size > GC_max_root_size) GC_max_root_size = GC_root_size; - if (GC_is_malloc_heap_base(p)) return TRUE; -# endif - for (i = 0; i < GC_n_heap_bases; i++) { - if (GC_heap_bases[i] == p) return TRUE; - } - return FALSE ; - } - -# ifdef MSWIN32 - void GC_register_root_section(ptr_t static_root) - { - MEMORY_BASIC_INFORMATION buf; - size_t result; - DWORD protect; - LPVOID p; - char * base; - char * limit, * new_limit; - - if (!GC_no_win32_dlls) return; - p = base = limit = GC_least_described_address(static_root); - while (p < GC_sysinfo.lpMaximumApplicationAddress) { - result = VirtualQuery(p, &buf, sizeof(buf)); - if (result != sizeof(buf) || buf.AllocationBase == 0 - || GC_is_heap_base(buf.AllocationBase)) break; - new_limit = (char *)p + buf.RegionSize; - protect = buf.Protect; - if (buf.State == MEM_COMMIT - && is_writable(protect)) { - if ((char *)p == limit) { - limit = new_limit; - } else { - if (base != limit) GC_add_roots_inner(base, limit, FALSE); - base = p; - limit = new_limit; - } - } - if (p > (LPVOID)new_limit /* overflow */) break; - p = (LPVOID)new_limit; - } - if (base != limit) GC_add_roots_inner(base, limit, FALSE); - } -#endif - - void GC_register_data_segments() - { -# ifdef MSWIN32 - static char dummy; - GC_register_root_section((ptr_t)(&dummy)); -# endif - } - -# else /* !OS2 && !Windows */ - -# if (defined(SVR4) || defined(AUX) || defined(DGUX) \ - || (defined(LINUX) && defined(SPARC))) && !defined(PCR) -ptr_t GC_SysVGetDataStart(size_t max_page_size, ptr_t etext_addr) -{ - word text_end = ((word)(etext_addr) + sizeof(word) - 1) - & ~(sizeof(word) - 1); - /* etext rounded to word boundary */ - word next_page = ((text_end + (word)max_page_size - 1) - & ~((word)max_page_size - 1)); - word page_offset = (text_end & ((word)max_page_size - 1)); - volatile char * result = (char *)(next_page + page_offset); - /* Note that this isnt equivalent to just adding */ - /* max_page_size to &etext if &etext is at a page boundary */ - - GC_setup_temporary_fault_handler(); - if (SETJMP(GC_jmp_buf) == 0) { - /* Try writing to the address. */ - *result = *result; - GC_reset_fault_handler(); - } else { - GC_reset_fault_handler(); - /* We got here via a longjmp. The address is not readable. */ - /* This is known to happen under Solaris 2.4 + gcc, which place */ - /* string constants in the text segment, but after etext. */ - /* Use plan B. Note that we now know there is a gap between */ - /* text and data segments, so plan A bought us something. */ - result = (char *)GC_find_limit((ptr_t)(DATAEND), FALSE); - } - return((ptr_t)result); -} -# endif - -# if defined(FREEBSD) && (defined(I386) || defined(X86_64) || defined(powerpc) || defined(__powerpc__)) && !defined(PCR) -/* Its unclear whether this should be identical to the above, or */ -/* whether it should apply to non-X86 architectures. */ -/* For now we don't assume that there is always an empty page after */ -/* etext. But in some cases there actually seems to be slightly more. */ -/* This also deals with holes between read-only data and writable data. */ -ptr_t GC_FreeBSDGetDataStart(size_t max_page_size, ptr_t etext_addr) -{ - word text_end = ((word)(etext_addr) + sizeof(word) - 1) - & ~(sizeof(word) - 1); - /* etext rounded to word boundary */ - volatile word next_page = (text_end + (word)max_page_size - 1) - & ~((word)max_page_size - 1); - volatile ptr_t result = (ptr_t)text_end; - GC_setup_temporary_fault_handler(); - if (SETJMP(GC_jmp_buf) == 0) { - /* Try reading at the address. */ - /* This should happen before there is another thread. */ - for (; next_page < (word)(DATAEND); next_page += (word)max_page_size) - *(volatile char *)next_page; - GC_reset_fault_handler(); - } else { - GC_reset_fault_handler(); - /* As above, we go to plan B */ - result = GC_find_limit((ptr_t)(DATAEND), FALSE); - } - return(result); -} - -# endif - - -#ifdef AMIGA - -# define GC_AMIGA_DS -# include "AmigaOS.c" -# undef GC_AMIGA_DS - -#else /* !OS2 && !Windows && !AMIGA */ - -void GC_register_data_segments(void) -{ -# if !defined(PCR) && !defined(MACOS) -# if defined(REDIRECT_MALLOC) && defined(GC_SOLARIS_THREADS) - /* As of Solaris 2.3, the Solaris threads implementation */ - /* allocates the data structure for the initial thread with */ - /* sbrk at process startup. It needs to be scanned, so that */ - /* we don't lose some malloc allocated data structures */ - /* hanging from it. We're on thin ice here ... */ - extern caddr_t sbrk(); - - GC_add_roots_inner(DATASTART, (ptr_t)sbrk(0), FALSE); -# else - GC_add_roots_inner(DATASTART, (ptr_t)(DATAEND), FALSE); -# if defined(DATASTART2) - GC_add_roots_inner(DATASTART2, (ptr_t)(DATAEND2), FALSE); -# endif -# endif -# endif -# if defined(MACOS) - { -# if defined(THINK_C) - extern void* GC_MacGetDataStart(void); - /* globals begin above stack and end at a5. */ - GC_add_roots_inner((ptr_t)GC_MacGetDataStart(), - (ptr_t)LMGetCurrentA5(), FALSE); -# else -# if defined(__MWERKS__) -# if !__POWERPC__ - extern void* GC_MacGetDataStart(void); - /* MATTHEW: Function to handle Far Globals (CW Pro 3) */ -# if __option(far_data) - extern void* GC_MacGetDataEnd(void); -# endif - /* globals begin above stack and end at a5. */ - GC_add_roots_inner((ptr_t)GC_MacGetDataStart(), - (ptr_t)LMGetCurrentA5(), FALSE); - /* MATTHEW: Handle Far Globals */ -# if __option(far_data) - /* Far globals follow he QD globals: */ - GC_add_roots_inner((ptr_t)LMGetCurrentA5(), - (ptr_t)GC_MacGetDataEnd(), FALSE); -# endif -# else - extern char __data_start__[], __data_end__[]; - GC_add_roots_inner((ptr_t)&__data_start__, - (ptr_t)&__data_end__, FALSE); -# endif /* __POWERPC__ */ -# endif /* __MWERKS__ */ -# endif /* !THINK_C */ - } -# endif /* MACOS */ - - /* Dynamic libraries are added at every collection, since they may */ - /* change. */ -} - -# endif /* ! AMIGA */ -# endif /* ! MSWIN32 && ! MSWINCE*/ -# endif /* ! OS2 */ - -/* - * Auxiliary routines for obtaining memory from OS. - */ - -# if !defined(OS2) && !defined(PCR) && !defined(AMIGA) \ - && !defined(MSWIN32) && !defined(MSWINCE) \ - && !defined(MACOS) && !defined(DOS4GW) && !defined(NONSTOP) - -# define SBRK_ARG_T ptrdiff_t - -#if defined(MMAP_SUPPORTED) - -#ifdef USE_MMAP_FIXED -# define GC_MMAP_FLAGS MAP_FIXED | MAP_PRIVATE - /* Seems to yield better performance on Solaris 2, but can */ - /* be unreliable if something is already mapped at the address. */ -#else -# define GC_MMAP_FLAGS MAP_PRIVATE -#endif - -#ifdef USE_MMAP_ANON -# define zero_fd -1 -# if defined(MAP_ANONYMOUS) -# define OPT_MAP_ANON MAP_ANONYMOUS -# else -# define OPT_MAP_ANON MAP_ANON -# endif -#else - static int zero_fd; -# define OPT_MAP_ANON 0 -#endif - -#ifndef HEAP_START -# define HEAP_START 0 -#endif - -ptr_t GC_unix_mmap_get_mem(word bytes) -{ - void *result; - static ptr_t last_addr = HEAP_START; - -# ifndef USE_MMAP_ANON - static GC_bool initialized = FALSE; - - if (!initialized) { - zero_fd = open("/dev/zero", O_RDONLY); - fcntl(zero_fd, F_SETFD, FD_CLOEXEC); - initialized = TRUE; - } -# endif - - if (bytes & (GC_page_size -1)) ABORT("Bad GET_MEM arg"); - result = mmap(last_addr, bytes, PROT_READ | PROT_WRITE | OPT_PROT_EXEC, - GC_MMAP_FLAGS | OPT_MAP_ANON, zero_fd, 0/* offset */); - if (result == MAP_FAILED) return(0); - last_addr = (ptr_t)result + bytes + GC_page_size - 1; - last_addr = (ptr_t)((word)last_addr & ~(GC_page_size - 1)); -# if !defined(LINUX) - if (last_addr == 0) { - /* Oops. We got the end of the address space. This isn't */ - /* usable by arbitrary C code, since one-past-end pointers */ - /* don't work, so we discard it and try again. */ - munmap(result, (size_t)(-GC_page_size) - (size_t)result); - /* Leave last page mapped, so we can't repeat. */ - return GC_unix_mmap_get_mem(bytes); - } -# else - GC_ASSERT(last_addr != 0); -# endif - return((ptr_t)result); -} - -# endif /* MMAP_SUPPORTED */ - -#if defined(USE_MMAP) - -ptr_t GC_unix_get_mem(word bytes) -{ - return GC_unix_mmap_get_mem(bytes); -} - -#else /* Not USE_MMAP */ - -ptr_t GC_unix_sbrk_get_mem(word bytes) -{ - ptr_t result; -# ifdef IRIX5 - /* Bare sbrk isn't thread safe. Play by malloc rules. */ - /* The equivalent may be needed on other systems as well. */ - __LOCK_MALLOC(); -# endif - { - ptr_t cur_brk = (ptr_t)sbrk(0); - SBRK_ARG_T lsbs = (word)cur_brk & (GC_page_size-1); - - if ((SBRK_ARG_T)bytes < 0) { - result = 0; /* too big */ - goto out; - } - if (lsbs != 0) { - if((ptr_t)sbrk(GC_page_size - lsbs) == (ptr_t)(-1)) { - result = 0; - goto out; - } - } -# ifdef ADD_HEAP_GUARD_PAGES - /* This is useful for catching severe memory overwrite problems that */ - /* span heap sections. It shouldn't otherwise be turned on. */ - { - ptr_t guard = (ptr_t)sbrk((SBRK_ARG_T)GC_page_size); - if (mprotect(guard, GC_page_size, PROT_NONE) != 0) - ABORT("ADD_HEAP_GUARD_PAGES: mprotect failed"); - } -# endif /* ADD_HEAP_GUARD_PAGES */ - result = (ptr_t)sbrk((SBRK_ARG_T)bytes); - if (result == (ptr_t)(-1)) result = 0; - } - out: -# ifdef IRIX5 - __UNLOCK_MALLOC(); -# endif - return(result); -} - -#if defined(MMAP_SUPPORTED) - -/* By default, we try both sbrk and mmap, in that order. */ -ptr_t GC_unix_get_mem(word bytes) -{ - static GC_bool sbrk_failed = FALSE; - ptr_t result = 0; - - if (!sbrk_failed) result = GC_unix_sbrk_get_mem(bytes); - if (0 == result) { - sbrk_failed = TRUE; - result = GC_unix_mmap_get_mem(bytes); - } - if (0 == result) { - /* Try sbrk again, in case sbrk memory became available. */ - result = GC_unix_sbrk_get_mem(bytes); - } - return result; -} - -#else /* !MMAP_SUPPORTED */ - -ptr_t GC_unix_get_mem(word bytes) -{ - return GC_unix_sbrk_get_mem(bytes); -} - -#endif - -#endif /* Not USE_MMAP */ - -# endif /* UN*X */ - -# ifdef OS2 - -void * os2_alloc(size_t bytes) -{ - void * result; - - if (DosAllocMem(&result, bytes, PAG_EXECUTE | PAG_READ | - PAG_WRITE | PAG_COMMIT) - != NO_ERROR) { - return(0); - } - if (result == 0) return(os2_alloc(bytes)); - return(result); -} - -# endif /* OS2 */ - - -# if defined(MSWIN32) || defined(MSWINCE) -SYSTEM_INFO GC_sysinfo; -# endif - -# ifdef MSWIN32 - -# ifdef USE_GLOBAL_ALLOC -# define GLOBAL_ALLOC_TEST 1 -# else -# define GLOBAL_ALLOC_TEST GC_no_win32_dlls -# endif - -word GC_n_heap_bases = 0; - -word GC_mem_top_down = 0; /* Change to MEM_TOP_DOWN for better 64-bit */ - /* testing. Otherwise all addresses tend to */ - /* end up in first 4GB, hiding bugs. */ - -ptr_t GC_win32_get_mem(word bytes) -{ - ptr_t result; - - if (GLOBAL_ALLOC_TEST) { - /* VirtualAlloc doesn't like PAGE_EXECUTE_READWRITE. */ - /* There are also unconfirmed rumors of other */ - /* problems, so we dodge the issue. */ - result = (ptr_t) GlobalAlloc(0, bytes + HBLKSIZE); - result = (ptr_t)(((word)result + HBLKSIZE - 1) & ~(HBLKSIZE-1)); - } else { - /* VirtualProtect only works on regions returned by a */ - /* single VirtualAlloc call. Thus we allocate one */ - /* extra page, which will prevent merging of blocks */ - /* in separate regions, and eliminate any temptation */ - /* to call VirtualProtect on a range spanning regions. */ - /* This wastes a small amount of memory, and risks */ - /* increased fragmentation. But better alternatives */ - /* would require effort. */ - /* Pass the MEM_WRITE_WATCH only if GetWriteWatch-based */ - /* VDBs are enabled and the GetWriteWatch function is */ - /* available. Otherwise we waste resources or possibly */ - /* cause VirtualAlloc to fail (observed in Windows 2000 */ - /* SP2). */ - result = (ptr_t) VirtualAlloc(NULL, bytes + 1, -# ifdef GWW_VDB - GetWriteWatch_alloc_flag | -# endif - MEM_COMMIT | MEM_RESERVE - | GC_mem_top_down, - PAGE_EXECUTE_READWRITE); - } - if (HBLKDISPL(result) != 0) ABORT("Bad VirtualAlloc result"); - /* If I read the documentation correctly, this can */ - /* only happen if HBLKSIZE > 64k or not a power of 2. */ - if (GC_n_heap_bases >= MAX_HEAP_SECTS) ABORT("Too many heap sections"); - if (0 != result) GC_heap_bases[GC_n_heap_bases++] = result; - return(result); -} - -void GC_win32_free_heap(void) -{ - if (GC_no_win32_dlls) { - while (GC_n_heap_bases > 0) { - GlobalFree (GC_heap_bases[--GC_n_heap_bases]); - GC_heap_bases[GC_n_heap_bases] = 0; - } - } -} -# endif - -#ifdef AMIGA -# define GC_AMIGA_AM -# include "AmigaOS.c" -# undef GC_AMIGA_AM -#endif - - -# ifdef MSWINCE -word GC_n_heap_bases = 0; - -ptr_t GC_wince_get_mem(word bytes) -{ - ptr_t result; - word i; - - /* Round up allocation size to multiple of page size */ - bytes = (bytes + GC_page_size-1) & ~(GC_page_size-1); - - /* Try to find reserved, uncommitted pages */ - for (i = 0; i < GC_n_heap_bases; i++) { - if (((word)(-(signed_word)GC_heap_lengths[i]) - & (GC_sysinfo.dwAllocationGranularity-1)) - >= bytes) { - result = GC_heap_bases[i] + GC_heap_lengths[i]; - break; - } - } - - if (i == GC_n_heap_bases) { - /* Reserve more pages */ - word res_bytes = (bytes + GC_sysinfo.dwAllocationGranularity-1) - & ~(GC_sysinfo.dwAllocationGranularity-1); - /* If we ever support MPROTECT_VDB here, we will probably need to */ - /* ensure that res_bytes is strictly > bytes, so that VirtualProtect */ - /* never spans regions. It seems to be OK for a VirtualFree */ - /* argument to span regions, so we should be OK for now. */ - result = (ptr_t) VirtualAlloc(NULL, res_bytes, - MEM_RESERVE | MEM_TOP_DOWN, - PAGE_EXECUTE_READWRITE); - if (HBLKDISPL(result) != 0) ABORT("Bad VirtualAlloc result"); - /* If I read the documentation correctly, this can */ - /* only happen if HBLKSIZE > 64k or not a power of 2. */ - if (GC_n_heap_bases >= MAX_HEAP_SECTS) ABORT("Too many heap sections"); - GC_heap_bases[GC_n_heap_bases] = result; - GC_heap_lengths[GC_n_heap_bases] = 0; - GC_n_heap_bases++; - } - - /* Commit pages */ - result = (ptr_t) VirtualAlloc(result, bytes, - MEM_COMMIT, - PAGE_EXECUTE_READWRITE); - if (result != NULL) { - if (HBLKDISPL(result) != 0) ABORT("Bad VirtualAlloc result"); - GC_heap_lengths[i] += bytes; - } - - return(result); -} -# endif - -#ifdef USE_MUNMAP - -/* For now, this only works on Win32/WinCE and some Unix-like */ -/* systems. If you have something else, don't define */ -/* USE_MUNMAP. */ -/* We assume ANSI C to support this feature. */ - -#if !defined(MSWIN32) && !defined(MSWINCE) - -#include -#include -#include -#include - -#endif - -/* Compute a page aligned starting address for the unmap */ -/* operation on a block of size bytes starting at start. */ -/* Return 0 if the block is too small to make this feasible. */ -ptr_t GC_unmap_start(ptr_t start, size_t bytes) -{ - ptr_t result = start; - /* Round start to next page boundary. */ - result += GC_page_size - 1; - result = (ptr_t)((word)result & ~(GC_page_size - 1)); - if (result + GC_page_size > start + bytes) return 0; - return result; -} - -/* Compute end address for an unmap operation on the indicated */ -/* block. */ -ptr_t GC_unmap_end(ptr_t start, size_t bytes) -{ - ptr_t end_addr = start + bytes; - end_addr = (ptr_t)((word)end_addr & ~(GC_page_size - 1)); - return end_addr; -} - -/* Under Win32/WinCE we commit (map) and decommit (unmap) */ -/* memory using VirtualAlloc and VirtualFree. These functions */ -/* work on individual allocations of virtual memory, made */ -/* previously using VirtualAlloc with the MEM_RESERVE flag. */ -/* The ranges we need to (de)commit may span several of these */ -/* allocations; therefore we use VirtualQuery to check */ -/* allocation lengths, and split up the range as necessary. */ - -/* We assume that GC_remap is called on exactly the same range */ -/* as a previous call to GC_unmap. It is safe to consistently */ -/* round the endpoints in both places. */ -void GC_unmap(ptr_t start, size_t bytes) -{ - ptr_t start_addr = GC_unmap_start(start, bytes); - ptr_t end_addr = GC_unmap_end(start, bytes); - word len = end_addr - start_addr; - if (0 == start_addr) return; -# if defined(MSWIN32) || defined(MSWINCE) - while (len != 0) { - MEMORY_BASIC_INFORMATION mem_info; - GC_word free_len; - if (VirtualQuery(start_addr, &mem_info, sizeof(mem_info)) - != sizeof(mem_info)) - ABORT("Weird VirtualQuery result"); - free_len = (len < mem_info.RegionSize) ? len : mem_info.RegionSize; - if (!VirtualFree(start_addr, free_len, MEM_DECOMMIT)) - ABORT("VirtualFree failed"); - GC_unmapped_bytes += free_len; - start_addr += free_len; - len -= free_len; - } -# else - /* We immediately remap it to prevent an intervening mmap from */ - /* accidentally grabbing the same address space. */ - { - void * result; - result = mmap(start_addr, len, PROT_NONE, - MAP_PRIVATE | MAP_FIXED | OPT_MAP_ANON, - zero_fd, 0/* offset */); - if (result != (void *)start_addr) ABORT("mmap(...PROT_NONE...) failed"); - } - GC_unmapped_bytes += len; -# endif -} - - -void GC_remap(ptr_t start, size_t bytes) -{ - ptr_t start_addr = GC_unmap_start(start, bytes); - ptr_t end_addr = GC_unmap_end(start, bytes); - word len = end_addr - start_addr; - -# if defined(MSWIN32) || defined(MSWINCE) - ptr_t result; - - if (0 == start_addr) return; - while (len != 0) { - MEMORY_BASIC_INFORMATION mem_info; - GC_word alloc_len; - if (VirtualQuery(start_addr, &mem_info, sizeof(mem_info)) - != sizeof(mem_info)) - ABORT("Weird VirtualQuery result"); - alloc_len = (len < mem_info.RegionSize) ? len : mem_info.RegionSize; - result = VirtualAlloc(start_addr, alloc_len, - MEM_COMMIT, - PAGE_EXECUTE_READWRITE); - if (result != start_addr) { - ABORT("VirtualAlloc remapping failed"); - } - GC_unmapped_bytes -= alloc_len; - start_addr += alloc_len; - len -= alloc_len; - } -# else - /* It was already remapped with PROT_NONE. */ - int result; - - if (0 == start_addr) return; - result = mprotect(start_addr, len, - PROT_READ | PROT_WRITE | OPT_PROT_EXEC); - if (result != 0) { - GC_err_printf( - "Mprotect failed at %p (length %ld) with errno %d\n", - start_addr, (unsigned long)len, errno); - ABORT("Mprotect remapping failed"); - } - GC_unmapped_bytes -= len; -# endif -} - -/* Two adjacent blocks have already been unmapped and are about to */ -/* be merged. Unmap the whole block. This typically requires */ -/* that we unmap a small section in the middle that was not previously */ -/* unmapped due to alignment constraints. */ -void GC_unmap_gap(ptr_t start1, size_t bytes1, ptr_t start2, size_t bytes2) -{ - ptr_t start1_addr = GC_unmap_start(start1, bytes1); - ptr_t end1_addr = GC_unmap_end(start1, bytes1); - ptr_t start2_addr = GC_unmap_start(start2, bytes2); - ptr_t end2_addr = GC_unmap_end(start2, bytes2); - ptr_t start_addr = end1_addr; - ptr_t end_addr = start2_addr; - size_t len; - GC_ASSERT(start1 + bytes1 == start2); - if (0 == start1_addr) start_addr = GC_unmap_start(start1, bytes1 + bytes2); - if (0 == start2_addr) end_addr = GC_unmap_end(start1, bytes1 + bytes2); - if (0 == start_addr) return; - len = end_addr - start_addr; -# if defined(MSWIN32) || defined(MSWINCE) - while (len != 0) { - MEMORY_BASIC_INFORMATION mem_info; - GC_word free_len; - if (VirtualQuery(start_addr, &mem_info, sizeof(mem_info)) - != sizeof(mem_info)) - ABORT("Weird VirtualQuery result"); - free_len = (len < mem_info.RegionSize) ? len : mem_info.RegionSize; - if (!VirtualFree(start_addr, free_len, MEM_DECOMMIT)) - ABORT("VirtualFree failed"); - GC_unmapped_bytes += free_len; - start_addr += free_len; - len -= free_len; - } -# else - if (len != 0 && munmap(start_addr, len) != 0) ABORT("munmap failed"); - GC_unmapped_bytes += len; -# endif -} - -#endif /* USE_MUNMAP */ - -/* Routine for pushing any additional roots. In THREADS */ -/* environment, this is also responsible for marking from */ -/* thread stacks. */ -#ifndef THREADS -void (*GC_push_other_roots)(void) = 0; -#else /* THREADS */ - -# ifdef PCR -PCR_ERes GC_push_thread_stack(PCR_Th_T *t, PCR_Any dummy) -{ - struct PCR_ThCtl_TInfoRep info; - PCR_ERes result; - - info.ti_stkLow = info.ti_stkHi = 0; - result = PCR_ThCtl_GetInfo(t, &info); - GC_push_all_stack((ptr_t)(info.ti_stkLow), (ptr_t)(info.ti_stkHi)); - return(result); -} - -/* Push the contents of an old object. We treat this as stack */ -/* data only becasue that makes it robust against mark stack */ -/* overflow. */ -PCR_ERes GC_push_old_obj(void *p, size_t size, PCR_Any data) -{ - GC_push_all_stack((ptr_t)p, (ptr_t)p + size); - return(PCR_ERes_okay); -} - - -void GC_default_push_other_roots(void) -{ - /* Traverse data allocated by previous memory managers. */ - { - extern struct PCR_MM_ProcsRep * GC_old_allocator; - - if ((*(GC_old_allocator->mmp_enumerate))(PCR_Bool_false, - GC_push_old_obj, 0) - != PCR_ERes_okay) { - ABORT("Old object enumeration failed"); - } - } - /* Traverse all thread stacks. */ - if (PCR_ERes_IsErr( - PCR_ThCtl_ApplyToAllOtherThreads(GC_push_thread_stack,0)) - || PCR_ERes_IsErr(GC_push_thread_stack(PCR_Th_CurrThread(), 0))) { - ABORT("Thread stack marking failed\n"); - } -} - -# endif /* PCR */ - - -# if defined(GC_PTHREADS) || defined(GC_WIN32_THREADS) - -extern void GC_push_all_stacks(void); - -void GC_default_push_other_roots(void) -{ - GC_push_all_stacks(); -} - -# endif /* GC_WIN32_THREADS || GC_PTHREADS */ - -void (*GC_push_other_roots)(void) = GC_default_push_other_roots; - -#endif /* THREADS */ - -/* - * Routines for accessing dirty bits on virtual pages. - * There are six ways to maintain this information: - * DEFAULT_VDB: A simple dummy implementation that treats every page - * as possibly dirty. This makes incremental collection - * useless, but the implementation is still correct. - * MANUAL_VDB: Stacks and static data are always considered dirty. - * Heap pages are considered dirty if GC_dirty(p) has been - * called on some pointer p pointing to somewhere inside - * an object on that page. A GC_dirty() call on a large - * object directly dirties only a single page, but for - * MANUAL_VDB we are careful to treat an object with a dirty - * page as completely dirty. - * In order to avoid races, an object must be marked dirty - * after it is written, and a reference to the object - * must be kept on a stack or in a register in the interim. - * With threads enabled, an object directly reachable from the - * stack at the time of a collection is treated as dirty. - * In single-threaded mode, it suffices to ensure that no - * collection can take place between the pointer assignment - * and the GC_dirty() call. - * PCR_VDB: Use PPCRs virtual dirty bit facility. - * PROC_VDB: Use the /proc facility for reading dirty bits. Only - * works under some SVR4 variants. Even then, it may be - * too slow to be entirely satisfactory. Requires reading - * dirty bits for entire address space. Implementations tend - * to assume that the client is a (slow) debugger. - * MPROTECT_VDB:Protect pages and then catch the faults to keep track of - * dirtied pages. The implementation (and implementability) - * is highly system dependent. This usually fails when system - * calls write to a protected page. We prevent the read system - * call from doing so. It is the clients responsibility to - * make sure that other system calls are similarly protected - * or write only to the stack. - * GWW_VDB: Use the Win32 GetWriteWatch functions, if available, to - * read dirty bits. In case it is not available (because we - * are running on Windows 95, Windows 2000 or earlier), - * MPROTECT_VDB may be defined as a fallback strategy. - */ -GC_bool GC_dirty_maintained = FALSE; - -#if defined(PROC_VDB) || defined(GWW_VDB) - -/* Add all pages in pht2 to pht1 */ -void GC_or_pages(page_hash_table pht1, page_hash_table pht2) -{ - register int i; - - for (i = 0; i < PHT_SIZE; i++) pht1[i] |= pht2[i]; -} - -#endif - -#ifdef GWW_VDB - -# define GC_GWW_BUF_LEN 1024 - static PVOID gww_buf[GC_GWW_BUF_LEN]; - -# ifdef MPROTECT_VDB - GC_bool GC_gww_dirty_init(void) - { - detect_GetWriteWatch(); - return GC_GWW_AVAILABLE(); - } -# else - void GC_dirty_init(void) - { - detect_GetWriteWatch(); - GC_dirty_maintained = GC_GWW_AVAILABLE(); - } -# endif - -# ifdef MPROTECT_VDB - static void GC_gww_read_dirty(void) -# else - void GC_read_dirty(void) -# endif - { - word i; - - BZERO(GC_grungy_pages, sizeof(GC_grungy_pages)); - - for (i = 0; i != GC_n_heap_sects; ++i) { - ULONG_PTR count; - - do { - PVOID * pages, * pages_end; - DWORD page_size; - - pages = gww_buf; - count = GC_GWW_BUF_LEN; - /* - * GetWriteWatch is documented as returning non-zero when it fails, - * but the documentation doesn't explicitly say why it would fail or - * what its behaviour will be if it fails. - * It does appear to fail, at least on recent W2K instances, if - * the underlying memory was not allocated with the appropriate - * flag. This is common if GC_enable_incremental is called - * shortly after GC initialization. To avoid modifying the - * interface, we silently work around such a failure, it it only - * affects the initial (small) heap allocation. - * If there are more dirty - * pages than will fit in the buffer, this is not treated as a - * failure; we must check the page count in the loop condition. - * Since each partial call will reset the status of some - * pages, this should eventually terminate even in the overflow - * case. - */ - if (GetWriteWatch_func(WRITE_WATCH_FLAG_RESET, - GC_heap_sects[i].hs_start, - GC_heap_sects[i].hs_bytes, - pages, - &count, - &page_size) != 0) { - static int warn_count = 0; - unsigned j; - struct hblk * start = (struct hblk *)GC_heap_sects[i].hs_start; - static struct hblk *last_warned = 0; - size_t nblocks = divHBLKSZ(GC_heap_sects[i].hs_bytes); - - if ( i != 0 && last_warned != start && warn_count++ < 5) { - last_warned = start; - WARN( - "GC_gww_read_dirty unexpectedly failed at %ld: " - "Falling back to marking all pages dirty\n", start); - } - for (j = 0; j < nblocks; ++j) { - word hash = PHT_HASH(start + j); - set_pht_entry_from_index(GC_grungy_pages, hash); - } - count = 1; /* Done with this section. */ - } else /* succeeded */{ - pages_end = pages + count; - while (pages != pages_end) { - struct hblk * h = (struct hblk *) *pages++; - struct hblk * h_end = (struct hblk *) ((char *) h + page_size); - do - set_pht_entry_from_index(GC_grungy_pages, PHT_HASH(h)); - while (++h < h_end); - } - } - } while (count == GC_GWW_BUF_LEN); - } - - GC_or_pages(GC_written_pages, GC_grungy_pages); - } - -# ifdef MPROTECT_VDB - static GC_bool GC_gww_page_was_dirty(struct hblk * h) -# else - GC_bool GC_page_was_dirty(struct hblk * h) -# endif - { - return HDR(h) == 0 || get_pht_entry_from_index(GC_grungy_pages, PHT_HASH(h)); - } - -# ifdef MPROTECT_VDB - static GC_bool GC_gww_page_was_ever_dirty(struct hblk * h) -# else - GC_bool GC_page_was_ever_dirty(struct hblk * h) -# endif - { - return HDR(h) == 0 || get_pht_entry_from_index(GC_written_pages, PHT_HASH(h)); - } - -# ifndef MPROTECT_VDB - void GC_remove_protection(struct hblk *h, word nblocks, GC_bool is_ptrfree) - {} -# endif - -# endif /* GWW_VDB */ - -# ifdef DEFAULT_VDB - -/* All of the following assume the allocation lock is held, and */ -/* signals are disabled. */ - -/* The client asserts that unallocated pages in the heap are never */ -/* written. */ - -/* Initialize virtual dirty bit implementation. */ -void GC_dirty_init(void) -{ - if (GC_print_stats == VERBOSE) - GC_log_printf("Initializing DEFAULT_VDB...\n"); - GC_dirty_maintained = TRUE; -} - -/* Retrieve system dirty bits for heap to a local buffer. */ -/* Restore the systems notion of which pages are dirty. */ -void GC_read_dirty(void) -{} - -/* Is the HBLKSIZE sized page at h marked dirty in the local buffer? */ -/* If the actual page size is different, this returns TRUE if any */ -/* of the pages overlapping h are dirty. This routine may err on the */ -/* side of labelling pages as dirty (and this implementation does). */ -/*ARGSUSED*/ -GC_bool GC_page_was_dirty(struct hblk *h) -{ - return(TRUE); -} - -/* - * The following two routines are typically less crucial. They matter - * most with large dynamic libraries, or if we can't accurately identify - * stacks, e.g. under Solaris 2.X. Otherwise the following default - * versions are adequate. - */ - -/* Could any valid GC heap pointer ever have been written to this page? */ -/*ARGSUSED*/ -GC_bool GC_page_was_ever_dirty(struct hblk *h) -{ - return(TRUE); -} - -/* A call that: */ -/* I) hints that [h, h+nblocks) is about to be written. */ -/* II) guarantees that protection is removed. */ -/* (I) may speed up some dirty bit implementations. */ -/* (II) may be essential if we need to ensure that */ -/* pointer-free system call buffers in the heap are */ -/* not protected. */ -/*ARGSUSED*/ -void GC_remove_protection(struct hblk *h, word nblocks, GC_bool is_ptrfree) -{ -} - -# endif /* DEFAULT_VDB */ - -# ifdef MANUAL_VDB - -/* Initialize virtual dirty bit implementation. */ -void GC_dirty_init(void) -{ - if (GC_print_stats == VERBOSE) - GC_log_printf("Initializing MANUAL_VDB...\n"); - /* GC_dirty_pages and GC_grungy_pages are already cleared. */ - GC_dirty_maintained = TRUE; -} - -/* Retrieve system dirty bits for heap to a local buffer. */ -/* Restore the systems notion of which pages are dirty. */ -void GC_read_dirty(void) -{ - BCOPY((word *)GC_dirty_pages, GC_grungy_pages, - (sizeof GC_dirty_pages)); - BZERO((word *)GC_dirty_pages, (sizeof GC_dirty_pages)); -} - -/* Is the HBLKSIZE sized page at h marked dirty in the local buffer? */ -/* If the actual page size is different, this returns TRUE if any */ -/* of the pages overlapping h are dirty. This routine may err on the */ -/* side of labelling pages as dirty (and this implementation does). */ -/*ARGSUSED*/ -GC_bool GC_page_was_dirty(struct hblk *h) -{ - register word index; - - index = PHT_HASH(h); - return(HDR(h) == 0 || get_pht_entry_from_index(GC_grungy_pages, index)); -} - -/* Could any valid GC heap pointer ever have been written to this page? */ -/*ARGSUSED*/ -GC_bool GC_page_was_ever_dirty(struct hblk *h) -{ - /* FIXME - implement me. */ - return(TRUE); -} - -/* Mark the page containing p as dirty. Logically, this dirties the */ -/* entire object. */ -void GC_dirty(ptr_t p) -{ - word index = PHT_HASH(p); - async_set_pht_entry_from_index(GC_dirty_pages, index); -} - -/*ARGSUSED*/ -void GC_remove_protection(struct hblk *h, word nblocks, GC_bool is_ptrfree) -{ -} - -# endif /* MANUAL_VDB */ - - -# ifdef MPROTECT_VDB - -/* - * See DEFAULT_VDB for interface descriptions. - */ - -/* - * This implementation maintains dirty bits itself by catching write - * faults and keeping track of them. We assume nobody else catches - * SIGBUS or SIGSEGV. We assume no write faults occur in system calls. - * This means that clients must ensure that system calls don't write - * to the write-protected heap. Probably the best way to do this is to - * ensure that system calls write at most to POINTERFREE objects in the - * heap, and do even that only if we are on a platform on which those - * are not protected. Another alternative is to wrap system calls - * (see example for read below), but the current implementation holds - * applications. - * We assume the page size is a multiple of HBLKSIZE. - * We prefer them to be the same. We avoid protecting POINTERFREE - * objects only if they are the same. - */ - -# if !defined(MSWIN32) && !defined(MSWINCE) && !defined(DARWIN) - -# include -# include -# include - -# define PROTECT(addr, len) \ - if (mprotect((caddr_t)(addr), (size_t)(len), \ - PROT_READ | OPT_PROT_EXEC) < 0) { \ - ABORT("mprotect failed"); \ - } -# define UNPROTECT(addr, len) \ - if (mprotect((caddr_t)(addr), (size_t)(len), \ - PROT_WRITE | PROT_READ | OPT_PROT_EXEC ) < 0) { \ - ABORT("un-mprotect failed"); \ - } - -# else - -# ifdef DARWIN - /* Using vm_protect (mach syscall) over mprotect (BSD syscall) seems to - decrease the likelihood of some of the problems described below. */ - #include - static mach_port_t GC_task_self; - #define PROTECT(addr,len) \ - if(vm_protect(GC_task_self,(vm_address_t)(addr),(vm_size_t)(len), \ - FALSE,VM_PROT_READ) != KERN_SUCCESS) { \ - ABORT("vm_portect failed"); \ - } - #define UNPROTECT(addr,len) \ - if(vm_protect(GC_task_self,(vm_address_t)(addr),(vm_size_t)(len), \ - FALSE,VM_PROT_READ|VM_PROT_WRITE) != KERN_SUCCESS) { \ - ABORT("vm_portect failed"); \ - } -# else - -# ifndef MSWINCE -# include -# endif - - static DWORD protect_junk; -# define PROTECT(addr, len) \ - if (!VirtualProtect((addr), (len), PAGE_EXECUTE_READ, \ - &protect_junk)) { \ - DWORD last_error = GetLastError(); \ - GC_printf("Last error code: %lx\n", last_error); \ - ABORT("VirtualProtect failed"); \ - } -# define UNPROTECT(addr, len) \ - if (!VirtualProtect((addr), (len), PAGE_EXECUTE_READWRITE, \ - &protect_junk)) { \ - ABORT("un-VirtualProtect failed"); \ - } -# endif /* !DARWIN */ -# endif /* MSWIN32 || MSWINCE || DARWIN */ - -#if defined(MSWIN32) - typedef LPTOP_LEVEL_EXCEPTION_FILTER SIG_HNDLR_PTR; -# undef SIG_DFL -# define SIG_DFL (LPTOP_LEVEL_EXCEPTION_FILTER) (-1) -#elif defined(MSWINCE) - typedef LONG (WINAPI *SIG_HNDLR_PTR)(struct _EXCEPTION_POINTERS *); -# undef SIG_DFL -# define SIG_DFL (SIG_HNDLR_PTR) (-1) -#elif defined(DARWIN) - typedef void (* SIG_HNDLR_PTR)(); -#else - typedef void (* SIG_HNDLR_PTR)(int, siginfo_t *, void *); - typedef void (* PLAIN_HNDLR_PTR)(int); -#endif - -#if defined(__GLIBC__) -# if __GLIBC__ < 2 || __GLIBC__ == 2 && __GLIBC_MINOR__ < 2 -# error glibc too old? -# endif -#endif - -#ifndef DARWIN -SIG_HNDLR_PTR GC_old_bus_handler; -GC_bool GC_old_bus_handler_used_si; -SIG_HNDLR_PTR GC_old_segv_handler; - /* Also old MSWIN32 ACCESS_VIOLATION filter */ -GC_bool GC_old_segv_handler_used_si; -#endif /* !DARWIN */ - -#if defined(THREADS) -/* We need to lock around the bitmap update in the write fault handler */ -/* in order to avoid the risk of losing a bit. We do this with a */ -/* test-and-set spin lock if we know how to do that. Otherwise we */ -/* check whether we are already in the handler and use the dumb but */ -/* safe fallback algorithm of setting all bits in the word. */ -/* Contention should be very rare, so we do the minimum to handle it */ -/* correctly. */ -#ifdef AO_HAVE_test_and_set_acquire - static volatile AO_TS_t fault_handler_lock = 0; - void async_set_pht_entry_from_index(volatile page_hash_table db, size_t index) { - while (AO_test_and_set_acquire(&fault_handler_lock) == AO_TS_SET) {} - /* Could also revert to set_pht_entry_from_index_safe if initial */ - /* GC_test_and_set fails. */ - set_pht_entry_from_index(db, index); - AO_CLEAR(&fault_handler_lock); - } -#else /* !AO_have_test_and_set_acquire */ -# error No test_and_set operation: Introduces a race. - /* THIS WOULD BE INCORRECT! */ - /* The dirty bit vector may be temporarily wrong, */ - /* just before we notice the conflict and correct it. We may end up */ - /* looking at it while it's wrong. But this requires contention */ - /* exactly when a GC is triggered, which seems far less likely to */ - /* fail than the old code, which had no reported failures. Thus we */ - /* leave it this way while we think of something better, or support */ - /* GC_test_and_set on the remaining platforms. */ - static volatile word currently_updating = 0; - void async_set_pht_entry_from_index(volatile page_hash_table db, size_t index) { - unsigned int update_dummy; - currently_updating = (word)(&update_dummy); - set_pht_entry_from_index(db, index); - /* If we get contention in the 10 or so instruction window here, */ - /* and we get stopped by a GC between the two updates, we lose! */ - if (currently_updating != (word)(&update_dummy)) { - set_pht_entry_from_index_safe(db, index); - /* We claim that if two threads concurrently try to update the */ - /* dirty bit vector, the first one to execute UPDATE_START */ - /* will see it changed when UPDATE_END is executed. (Note that */ - /* &update_dummy must differ in two distinct threads.) It */ - /* will then execute set_pht_entry_from_index_safe, thus */ - /* returning us to a safe state, though not soon enough. */ - } - } -#endif /* !AO_HAVE_test_and_set_acquire */ -#else /* !THREADS */ -# define async_set_pht_entry_from_index(db, index) \ - set_pht_entry_from_index(db, index) -#endif /* !THREADS */ - -#if !defined(DARWIN) -# include -# if defined(FREEBSD) -# define SIG_OK TRUE -# define CODE_OK (code == BUS_PAGE_FAULT) -# elif defined(OSF1) -# define SIG_OK (sig == SIGSEGV) -# define CODE_OK (code == 2 /* experimentally determined */) -# elif defined(IRIX5) -# define SIG_OK (sig == SIGSEGV) -# define CODE_OK (code == EACCES) -# elif defined(HURD) -# define SIG_OK (sig == SIGBUS || sig == SIGSEGV) -# define CODE_OK TRUE -# elif defined(LINUX) -# define SIG_OK (sig == SIGSEGV) -# define CODE_OK TRUE - /* Empirically c.trapno == 14, on IA32, but is that useful? */ - /* Should probably consider alignment issues on other */ - /* architectures. */ -# elif defined(HPUX) -# define SIG_OK (sig == SIGSEGV || sig == SIGBUS) -# define CODE_OK (si -> si_code == SEGV_ACCERR) \ - || (si -> si_code == BUS_ADRERR) \ - || (si -> si_code == BUS_UNKNOWN) \ - || (si -> si_code == SEGV_UNKNOWN) \ - || (si -> si_code == BUS_OBJERR) -# elif defined(FREEBSD) -# define SIG_OK (sig == SIGBUS) -# define CODE_OK (si -> si_code == BUS_PAGE_FAULT) -# elif defined(SUNOS5SIGS) -# define SIG_OK (sig == SIGSEGV) -# define CODE_OK (si -> si_code == SEGV_ACCERR) -# elif defined(MSWIN32) || defined(MSWINCE) -# define SIG_OK (exc_info -> ExceptionRecord -> ExceptionCode \ - == STATUS_ACCESS_VIOLATION) -# define CODE_OK (exc_info -> ExceptionRecord -> ExceptionInformation[0] \ - == 1) /* Write fault */ -# endif - -# if defined(MSWIN32) || defined(MSWINCE) - LONG WINAPI GC_write_fault_handler(struct _EXCEPTION_POINTERS *exc_info) -# else -# include - /*ARGSUSED*/ - void GC_write_fault_handler(int sig, siginfo_t *si, void *raw_sc) -# endif /* MSWIN32 || MSWINCE */ -{ -# if !defined(MSWIN32) && !defined(MSWINCE) - int code = si -> si_code; /* Ignore gcc unused var. warning. */ - ucontext_t * scp = (ucontext_t *)raw_sc; - /* Ignore gcc unused var. warning. */ - char *addr = si -> si_addr; -# endif -# if defined(MSWIN32) || defined(MSWINCE) - char * addr = (char *) (exc_info -> ExceptionRecord - -> ExceptionInformation[1]); -# define sig SIGSEGV -# endif - unsigned i; - - if (SIG_OK && CODE_OK) { - register struct hblk * h = - (struct hblk *)((word)addr & ~(GC_page_size-1)); - GC_bool in_allocd_block; - -# ifdef SUNOS5SIGS - /* Address is only within the correct physical page. */ - in_allocd_block = FALSE; - for (i = 0; i < divHBLKSZ(GC_page_size); i++) { - if (HDR(h+i) != 0) { - in_allocd_block = TRUE; - } - } -# else - in_allocd_block = (HDR(addr) != 0); -# endif - if (!in_allocd_block) { - /* FIXME - We should make sure that we invoke the */ - /* old handler with the appropriate calling */ - /* sequence, which often depends on SA_SIGINFO. */ - - /* Heap blocks now begin and end on page boundaries */ - SIG_HNDLR_PTR old_handler; - GC_bool used_si; - - if (sig == SIGSEGV) { - old_handler = GC_old_segv_handler; - used_si = GC_old_segv_handler_used_si; - } else { - old_handler = GC_old_bus_handler; - used_si = GC_old_bus_handler_used_si; - } - if (old_handler == (SIG_HNDLR_PTR)SIG_DFL) { -# if !defined(MSWIN32) && !defined(MSWINCE) - GC_err_printf("Segfault at %p\n", addr); - ABORT("Unexpected bus error or segmentation fault"); -# else - return(EXCEPTION_CONTINUE_SEARCH); -# endif - } else { - /* - * FIXME: This code should probably check if the - * old signal handler used the traditional style and - * if so call it using that style. - */ -# ifdef MSWIN32 - return((*old_handler)(exc_info)); -# else - if (used_si) - ((SIG_HNDLR_PTR)old_handler) (sig, si, raw_sc); - else - /* FIXME: should pass nonstandard args as well. */ - ((PLAIN_HNDLR_PTR)old_handler) (sig); - return; -# endif - } - } - UNPROTECT(h, GC_page_size); - /* We need to make sure that no collection occurs between */ - /* the UNPROTECT and the setting of the dirty bit. Otherwise */ - /* a write by a third thread might go unnoticed. Reversing */ - /* the order is just as bad, since we would end up unprotecting */ - /* a page in a GC cycle during which it's not marked. */ - /* Currently we do this by disabling the thread stopping */ - /* signals while this handler is running. An alternative might */ - /* be to record the fact that we're about to unprotect, or */ - /* have just unprotected a page in the GC's thread structure, */ - /* and then to have the thread stopping code set the dirty */ - /* flag, if necessary. */ - for (i = 0; i < divHBLKSZ(GC_page_size); i++) { - size_t index = PHT_HASH(h+i); - - async_set_pht_entry_from_index(GC_dirty_pages, index); - } - /* The write may not take place before dirty bits are read. */ - /* But then we'll fault again ... */ -# if defined(MSWIN32) || defined(MSWINCE) - return(EXCEPTION_CONTINUE_EXECUTION); -# else - return; -# endif - } -#if defined(MSWIN32) || defined(MSWINCE) - return EXCEPTION_CONTINUE_SEARCH; -#else - GC_err_printf("Segfault at %p\n", addr); - ABORT("Unexpected bus error or segmentation fault"); -#endif -} -#endif /* !DARWIN */ - -/* - * We hold the allocation lock. We expect block h to be written - * shortly. Ensure that all pages containing any part of the n hblks - * starting at h are no longer protected. If is_ptrfree is false, - * also ensure that they will subsequently appear to be dirty. - */ -void GC_remove_protection(struct hblk *h, word nblocks, GC_bool is_ptrfree) -{ - struct hblk * h_trunc; /* Truncated to page boundary */ - struct hblk * h_end; /* Page boundary following block end */ - struct hblk * current; - GC_bool found_clean; - -# if defined(GWW_VDB) - if (GC_GWW_AVAILABLE()) return; -# endif - if (!GC_dirty_maintained) return; - h_trunc = (struct hblk *)((word)h & ~(GC_page_size-1)); - h_end = (struct hblk *)(((word)(h + nblocks) + GC_page_size-1) - & ~(GC_page_size-1)); - found_clean = FALSE; - for (current = h_trunc; current < h_end; ++current) { - size_t index = PHT_HASH(current); - - if (!is_ptrfree || current < h || current >= h + nblocks) { - async_set_pht_entry_from_index(GC_dirty_pages, index); - } - } - UNPROTECT(h_trunc, (ptr_t)h_end - (ptr_t)h_trunc); -} - -#if !defined(DARWIN) -void GC_dirty_init(void) -{ -# if !defined(MSWIN32) && !defined(MSWINCE) - struct sigaction act, oldact; - act.sa_flags = SA_RESTART | SA_SIGINFO; - act.sa_sigaction = GC_write_fault_handler; - (void)sigemptyset(&act.sa_mask); -# ifdef SIG_SUSPEND - /* Arrange to postpone SIG_SUSPEND while we're in a write fault */ - /* handler. This effectively makes the handler atomic w.r.t. */ - /* stopping the world for GC. */ - (void)sigaddset(&act.sa_mask, SIG_SUSPEND); -# endif /* SIG_SUSPEND */ -# endif - if (GC_print_stats == VERBOSE) - GC_log_printf( - "Initializing mprotect virtual dirty bit implementation\n"); - GC_dirty_maintained = TRUE; - if (GC_page_size % HBLKSIZE != 0) { - GC_err_printf("Page size not multiple of HBLKSIZE\n"); - ABORT("Page size not multiple of HBLKSIZE"); - } -# if !defined(MSWIN32) && !defined(MSWINCE) -# if defined(GC_IRIX_THREADS) - sigaction(SIGSEGV, 0, &oldact); - sigaction(SIGSEGV, &act, 0); -# else - { - int res = sigaction(SIGSEGV, &act, &oldact); - if (res != 0) ABORT("Sigaction failed"); - } -# endif - if (oldact.sa_flags & SA_SIGINFO) { - GC_old_segv_handler = oldact.sa_sigaction; - GC_old_segv_handler_used_si = TRUE; - } else { - GC_old_segv_handler = (SIG_HNDLR_PTR)oldact.sa_handler; - GC_old_segv_handler_used_si = FALSE; - } - if (GC_old_segv_handler == (SIG_HNDLR_PTR)SIG_IGN) { - GC_err_printf("Previously ignored segmentation violation!?"); - GC_old_segv_handler = (SIG_HNDLR_PTR)SIG_DFL; - } - if (GC_old_segv_handler != (SIG_HNDLR_PTR)SIG_DFL) { - if (GC_print_stats == VERBOSE) - GC_log_printf("Replaced other SIGSEGV handler\n"); - } -# endif /* ! MS windows */ -# if defined(HPUX) || defined(LINUX) || defined(HURD) \ - || (defined(FREEBSD) && defined(SUNOS5SIGS)) - sigaction(SIGBUS, &act, &oldact); - if (oldact.sa_flags & SA_SIGINFO) { - GC_old_bus_handler = oldact.sa_sigaction; - GC_old_bus_handler_used_si = TRUE; - } else { - GC_old_bus_handler = (SIG_HNDLR_PTR)oldact.sa_handler; - GC_old_bus_handler_used_si = FALSE; - } - if (GC_old_bus_handler == (SIG_HNDLR_PTR)SIG_IGN) { - GC_err_printf("Previously ignored bus error!?"); - GC_old_bus_handler = (SIG_HNDLR_PTR)SIG_DFL; - } - if (GC_old_bus_handler != (SIG_HNDLR_PTR)SIG_DFL) { - if (GC_print_stats == VERBOSE) - GC_log_printf("Replaced other SIGBUS handler\n"); - } -# endif /* HPUX || LINUX || HURD || (FREEBSD && SUNOS5SIGS) */ -# if defined(MSWIN32) -# if defined(GWW_VDB) - if (GC_gww_dirty_init()) - return; -# endif - GC_old_segv_handler = SetUnhandledExceptionFilter(GC_write_fault_handler); - if (GC_old_segv_handler != NULL) { - if (GC_print_stats) - GC_log_printf("Replaced other UnhandledExceptionFilter\n"); - } else { - GC_old_segv_handler = SIG_DFL; - } -# endif -} -#endif /* !DARWIN */ - -int GC_incremental_protection_needs(void) -{ - if (GC_page_size == HBLKSIZE) { - return GC_PROTECTS_POINTER_HEAP; - } else { - return GC_PROTECTS_POINTER_HEAP | GC_PROTECTS_PTRFREE_HEAP; - } -} - -#define HAVE_INCREMENTAL_PROTECTION_NEEDS - -#define IS_PTRFREE(hhdr) ((hhdr)->hb_descr == 0) - -#define PAGE_ALIGNED(x) !((word)(x) & (GC_page_size - 1)) -void GC_protect_heap(void) -{ - ptr_t start; - size_t len; - struct hblk * current; - struct hblk * current_start; /* Start of block to be protected. */ - struct hblk * limit; - unsigned i; - GC_bool protect_all = - (0 != (GC_incremental_protection_needs() & GC_PROTECTS_PTRFREE_HEAP)); - for (i = 0; i < GC_n_heap_sects; i++) { - start = GC_heap_sects[i].hs_start; - len = GC_heap_sects[i].hs_bytes; - if (protect_all) { - PROTECT(start, len); - } else { - GC_ASSERT(PAGE_ALIGNED(len)) - GC_ASSERT(PAGE_ALIGNED(start)) - current_start = current = (struct hblk *)start; - limit = (struct hblk *)(start + len); - while (current < limit) { - hdr * hhdr; - word nhblks; - GC_bool is_ptrfree; - - GC_ASSERT(PAGE_ALIGNED(current)); - GET_HDR(current, hhdr); - if (IS_FORWARDING_ADDR_OR_NIL(hhdr)) { - /* This can happen only if we're at the beginning of a */ - /* heap segment, and a block spans heap segments. */ - /* We will handle that block as part of the preceding */ - /* segment. */ - GC_ASSERT(current_start == current); - current_start = ++current; - continue; - } - if (HBLK_IS_FREE(hhdr)) { - GC_ASSERT(PAGE_ALIGNED(hhdr -> hb_sz)); - nhblks = divHBLKSZ(hhdr -> hb_sz); - is_ptrfree = TRUE; /* dirty on alloc */ - } else { - nhblks = OBJ_SZ_TO_BLOCKS(hhdr -> hb_sz); - is_ptrfree = IS_PTRFREE(hhdr); - } - if (is_ptrfree) { - if (current_start < current) { - PROTECT(current_start, (ptr_t)current - (ptr_t)current_start); - } - current_start = (current += nhblks); - } else { - current += nhblks; - } - } - if (current_start < current) { - PROTECT(current_start, (ptr_t)current - (ptr_t)current_start); - } - } - } -} - -/* We assume that either the world is stopped or its OK to lose dirty */ -/* bits while this is happenning (as in GC_enable_incremental). */ -void GC_read_dirty(void) -{ -# if defined(GWW_VDB) - if (GC_GWW_AVAILABLE()) { - GC_gww_read_dirty(); - return; - } -# endif - BCOPY((word *)GC_dirty_pages, GC_grungy_pages, - (sizeof GC_dirty_pages)); - BZERO((word *)GC_dirty_pages, (sizeof GC_dirty_pages)); - GC_protect_heap(); -} - -GC_bool GC_page_was_dirty(struct hblk *h) -{ - register word index; - -# if defined(GWW_VDB) - if (GC_GWW_AVAILABLE()) - return GC_gww_page_was_dirty(h); -# endif - - index = PHT_HASH(h); - return(HDR(h) == 0 || get_pht_entry_from_index(GC_grungy_pages, index)); -} - -/* - * Acquiring the allocation lock here is dangerous, since this - * can be called from within GC_call_with_alloc_lock, and the cord - * package does so. On systems that allow nested lock acquisition, this - * happens to work. - * On other systems, SET_LOCK_HOLDER and friends must be suitably defined. - */ - -static GC_bool syscall_acquired_lock = FALSE; /* Protected by GC lock. */ - -#if 0 -void GC_begin_syscall(void) -{ - /* FIXME: Resurrecting this code would require fixing the */ - /* test, which can spuriously return TRUE. */ - if (!I_HOLD_LOCK()) { - LOCK(); - syscall_acquired_lock = TRUE; - } -} - -void GC_end_syscall(void) -{ - if (syscall_acquired_lock) { - syscall_acquired_lock = FALSE; - UNLOCK(); - } -} - -void GC_unprotect_range(ptr_t addr, word len) -{ - struct hblk * start_block; - struct hblk * end_block; - register struct hblk *h; - ptr_t obj_start; - - if (!GC_dirty_maintained) return; - obj_start = GC_base(addr); - if (obj_start == 0) return; - if (GC_base(addr + len - 1) != obj_start) { - ABORT("GC_unprotect_range(range bigger than object)"); - } - start_block = (struct hblk *)((word)addr & ~(GC_page_size - 1)); - end_block = (struct hblk *)((word)(addr + len - 1) & ~(GC_page_size - 1)); - end_block += GC_page_size/HBLKSIZE - 1; - for (h = start_block; h <= end_block; h++) { - register word index = PHT_HASH(h); - - async_set_pht_entry_from_index(GC_dirty_pages, index); - } - UNPROTECT(start_block, - ((ptr_t)end_block - (ptr_t)start_block) + HBLKSIZE); -} - - -/* We no longer wrap read by default, since that was causing too many */ -/* problems. It is preferred that the client instead avoids writing */ -/* to the write-protected heap with a system call. */ -/* This still serves as sample code if you do want to wrap system calls.*/ - -#if !defined(MSWIN32) && !defined(MSWINCE) && !defined(GC_USE_LD_WRAP) -/* Replacement for UNIX system call. */ -/* Other calls that write to the heap should be handled similarly. */ -/* Note that this doesn't work well for blocking reads: It will hold */ -/* the allocation lock for the entire duration of the call. Multithreaded */ -/* clients should really ensure that it won't block, either by setting */ -/* the descriptor nonblocking, or by calling select or poll first, to */ -/* make sure that input is available. */ -/* Another, preferred alternative is to ensure that system calls never */ -/* write to the protected heap (see above). */ -# include -# include -ssize_t read(int fd, void *buf, size_t nbyte) -{ - int result; - - GC_begin_syscall(); - GC_unprotect_range(buf, (word)nbyte); -# if defined(IRIX5) || defined(GC_LINUX_THREADS) - /* Indirect system call may not always be easily available. */ - /* We could call _read, but that would interfere with the */ - /* libpthread interception of read. */ - /* On Linux, we have to be careful with the linuxthreads */ - /* read interception. */ - { - struct iovec iov; - - iov.iov_base = buf; - iov.iov_len = nbyte; - result = readv(fd, &iov, 1); - } -# else -# if defined(HURD) - result = __read(fd, buf, nbyte); -# else - /* The two zero args at the end of this list are because one - IA-64 syscall() implementation actually requires six args - to be passed, even though they aren't always used. */ - result = syscall(SYS_read, fd, buf, nbyte, 0, 0); -# endif /* !HURD */ -# endif - GC_end_syscall(); - return(result); -} -#endif /* !MSWIN32 && !MSWINCE && !GC_LINUX_THREADS */ - -#if defined(GC_USE_LD_WRAP) && !defined(THREADS) - /* We use the GNU ld call wrapping facility. */ - /* This requires that the linker be invoked with "--wrap read". */ - /* This can be done by passing -Wl,"--wrap read" to gcc. */ - /* I'm not sure that this actually wraps whatever version of read */ - /* is called by stdio. That code also mentions __read. */ -# include - ssize_t __wrap_read(int fd, void *buf, size_t nbyte) - { - int result; - - GC_begin_syscall(); - GC_unprotect_range(buf, (word)nbyte); - result = __real_read(fd, buf, nbyte); - GC_end_syscall(); - return(result); - } - - /* We should probably also do this for __read, or whatever stdio */ - /* actually calls. */ -#endif - -#endif /* 0 */ - -/*ARGSUSED*/ -GC_bool GC_page_was_ever_dirty(struct hblk *h) -{ -# if defined(GWW_VDB) - if (GC_GWW_AVAILABLE()) - return GC_gww_page_was_ever_dirty(h); -# endif - return(TRUE); -} - -# endif /* MPROTECT_VDB */ - -# ifdef PROC_VDB - -/* - * See DEFAULT_VDB for interface descriptions. - */ - -/* - * This implementaion assumes a Solaris 2.X like /proc pseudo-file-system - * from which we can read page modified bits. This facility is far from - * optimal (e.g. we would like to get the info for only some of the - * address space), but it avoids intercepting system calls. - */ - -#include -#include -#include -#include -#include -#include -#include - -#define INITIAL_BUF_SZ 16384 -word GC_proc_buf_size = INITIAL_BUF_SZ; -char *GC_proc_buf; - -int GC_proc_fd; - -void GC_dirty_init(void) -{ - int fd; - char buf[30]; - - GC_dirty_maintained = TRUE; - if (GC_bytes_allocd != 0 || GC_bytes_allocd_before_gc != 0) { - register int i; - - for (i = 0; i < PHT_SIZE; i++) GC_written_pages[i] = (word)(-1); - if (GC_print_stats == VERBOSE) - GC_log_printf( - "Allocated bytes:%lu:all pages may have been written\n", - (unsigned long) - (GC_bytes_allocd + GC_bytes_allocd_before_gc)); - } - sprintf(buf, "/proc/%d", getpid()); - fd = open(buf, O_RDONLY); - if (fd < 0) { - ABORT("/proc open failed"); - } - GC_proc_fd = syscall(SYS_ioctl, fd, PIOCOPENPD, 0); - close(fd); - syscall(SYS_fcntl, GC_proc_fd, F_SETFD, FD_CLOEXEC); - if (GC_proc_fd < 0) { - ABORT("/proc ioctl failed"); - } - GC_proc_buf = GC_scratch_alloc(GC_proc_buf_size); -} - -/* Ignore write hints. They don't help us here. */ -/*ARGSUSED*/ -void GC_remove_protection(h, nblocks, is_ptrfree) -struct hblk *h; -word nblocks; -GC_bool is_ptrfree; -{ -} - -# define READ(fd,buf,nbytes) read(fd, buf, nbytes) - -void GC_read_dirty(void) -{ - unsigned long ps, np; - int nmaps; - ptr_t vaddr; - struct prasmap * map; - char * bufp; - ptr_t current_addr, limit; - int i; - - BZERO(GC_grungy_pages, (sizeof GC_grungy_pages)); - - bufp = GC_proc_buf; - if (READ(GC_proc_fd, bufp, GC_proc_buf_size) <= 0) { - if (GC_print_stats) - GC_log_printf("/proc read failed: GC_proc_buf_size = %lu\n", - (unsigned long)GC_proc_buf_size); - { - /* Retry with larger buffer. */ - word new_size = 2 * GC_proc_buf_size; - char * new_buf = GC_scratch_alloc(new_size); - - if (new_buf != 0) { - GC_proc_buf = bufp = new_buf; - GC_proc_buf_size = new_size; - } - if (READ(GC_proc_fd, bufp, GC_proc_buf_size) <= 0) { - WARN("Insufficient space for /proc read\n", 0); - /* Punt: */ - memset(GC_grungy_pages, 0xff, sizeof (page_hash_table)); - memset(GC_written_pages, 0xff, sizeof(page_hash_table)); - return; - } - } - } - /* Copy dirty bits into GC_grungy_pages */ - nmaps = ((struct prpageheader *)bufp) -> pr_nmap; - /* printf( "nmaps = %d, PG_REFERENCED = %d, PG_MODIFIED = %d\n", - nmaps, PG_REFERENCED, PG_MODIFIED); */ - bufp = bufp + sizeof(struct prpageheader); - for (i = 0; i < nmaps; i++) { - map = (struct prasmap *)bufp; - vaddr = (ptr_t)(map -> pr_vaddr); - ps = map -> pr_pagesize; - np = map -> pr_npage; - /* printf("vaddr = 0x%X, ps = 0x%X, np = 0x%X\n", vaddr, ps, np); */ - limit = vaddr + ps * np; - bufp += sizeof (struct prasmap); - for (current_addr = vaddr; - current_addr < limit; current_addr += ps){ - if ((*bufp++) & PG_MODIFIED) { - register struct hblk * h = (struct hblk *) current_addr; - - while ((ptr_t)h < current_addr + ps) { - register word index = PHT_HASH(h); - - set_pht_entry_from_index(GC_grungy_pages, index); - h++; - } - } - } - bufp += sizeof(long) - 1; - bufp = (char *)((unsigned long)bufp & ~(sizeof(long)-1)); - } - /* Update GC_written_pages. */ - GC_or_pages(GC_written_pages, GC_grungy_pages); -} - -#undef READ - -GC_bool GC_page_was_dirty(struct hblk *h) -{ - register word index = PHT_HASH(h); - register GC_bool result; - - result = get_pht_entry_from_index(GC_grungy_pages, index); - return(result); -} - -GC_bool GC_page_was_ever_dirty(struct hblk *h) -{ - register word index = PHT_HASH(h); - register GC_bool result; - - result = get_pht_entry_from_index(GC_written_pages, index); - return(result); -} - -# endif /* PROC_VDB */ - - -# ifdef PCR_VDB - -# include "vd/PCR_VD.h" - -# define NPAGES (32*1024) /* 128 MB */ - -PCR_VD_DB GC_grungy_bits[NPAGES]; - -ptr_t GC_vd_base; /* Address corresponding to GC_grungy_bits[0] */ - /* HBLKSIZE aligned. */ - -void GC_dirty_init(void) -{ - GC_dirty_maintained = TRUE; - /* For the time being, we assume the heap generally grows up */ - GC_vd_base = GC_heap_sects[0].hs_start; - if (GC_vd_base == 0) { - ABORT("Bad initial heap segment"); - } - if (PCR_VD_Start(HBLKSIZE, GC_vd_base, NPAGES*HBLKSIZE) - != PCR_ERes_okay) { - ABORT("dirty bit initialization failed"); - } -} - -void GC_read_dirty(void) -{ - /* lazily enable dirty bits on newly added heap sects */ - { - static int onhs = 0; - int nhs = GC_n_heap_sects; - for( ; onhs < nhs; onhs++ ) { - PCR_VD_WriteProtectEnable( - GC_heap_sects[onhs].hs_start, - GC_heap_sects[onhs].hs_bytes ); - } - } - - - if (PCR_VD_Clear(GC_vd_base, NPAGES*HBLKSIZE, GC_grungy_bits) - != PCR_ERes_okay) { - ABORT("dirty bit read failed"); - } -} - -GC_bool GC_page_was_dirty(struct hblk *h) -{ - if((ptr_t)h < GC_vd_base || (ptr_t)h >= GC_vd_base + NPAGES*HBLKSIZE) { - return(TRUE); - } - return(GC_grungy_bits[h - (struct hblk *)GC_vd_base] & PCR_VD_DB_dirtyBit); -} - -/*ARGSUSED*/ -void GC_remove_protection(struct hblk *h, word nblocks, GC_bool is_ptrfree) -{ - PCR_VD_WriteProtectDisable(h, nblocks*HBLKSIZE); - PCR_VD_WriteProtectEnable(h, nblocks*HBLKSIZE); -} - -# endif /* PCR_VDB */ - -#if defined(MPROTECT_VDB) && defined(DARWIN) -/* The following sources were used as a *reference* for this exception handling - code: - 1. Apple's mach/xnu documentation - 2. Timothy J. Wood's "Mach Exception Handlers 101" post to the - omnigroup's macosx-dev list. - www.omnigroup.com/mailman/archive/macosx-dev/2000-June/014178.html - 3. macosx-nat.c from Apple's GDB source code. -*/ - -/* The bug that caused all this trouble should now be fixed. This should - eventually be removed if all goes well. */ - -/* #define BROKEN_EXCEPTION_HANDLING */ - -#include -#include -#include -#include -#include -#include - -extern void GC_darwin_register_mach_handler_thread(mach_port_t); - -/* These are not defined in any header, although they are documented */ -extern boolean_t -exc_server(mach_msg_header_t *, mach_msg_header_t *); - -extern kern_return_t -exception_raise(mach_port_t, mach_port_t, mach_port_t, exception_type_t, - exception_data_t, mach_msg_type_number_t); - -extern kern_return_t -exception_raise_state(mach_port_t, mach_port_t, mach_port_t, exception_type_t, - exception_data_t, mach_msg_type_number_t, - thread_state_flavor_t*, thread_state_t, - mach_msg_type_number_t, thread_state_t, - mach_msg_type_number_t*); - -extern kern_return_t -exception_raise_state_identity(mach_port_t, mach_port_t, mach_port_t, - exception_type_t, exception_data_t, - mach_msg_type_number_t, thread_state_flavor_t*, - thread_state_t, mach_msg_type_number_t, - thread_state_t, mach_msg_type_number_t*); - - -#define MAX_EXCEPTION_PORTS 16 - -static struct { - mach_msg_type_number_t count; - exception_mask_t masks[MAX_EXCEPTION_PORTS]; - exception_handler_t ports[MAX_EXCEPTION_PORTS]; - exception_behavior_t behaviors[MAX_EXCEPTION_PORTS]; - thread_state_flavor_t flavors[MAX_EXCEPTION_PORTS]; -} GC_old_exc_ports; - -static struct { - mach_port_t exception; -#if defined(THREADS) - mach_port_t reply; -#endif -} GC_ports; - -typedef struct { - mach_msg_header_t head; -} GC_msg_t; - -typedef enum { - GC_MP_NORMAL, GC_MP_DISCARDING, GC_MP_STOPPED -} GC_mprotect_state_t; - -/* FIXME: 1 and 2 seem to be safe to use in the msgh_id field, - but it isn't documented. Use the source and see if they - should be ok. */ -#define ID_STOP 1 -#define ID_RESUME 2 - -/* These values are only used on the reply port */ -#define ID_ACK 3 - -#if defined(THREADS) - -GC_mprotect_state_t GC_mprotect_state; - -/* The following should ONLY be called when the world is stopped */ -static void GC_mprotect_thread_notify(mach_msg_id_t id) -{ - - struct { - GC_msg_t msg; - mach_msg_trailer_t trailer; - } buf; - - mach_msg_return_t r; - /* remote, local */ - buf.msg.head.msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_MAKE_SEND, 0); - buf.msg.head.msgh_size = sizeof(buf.msg); - buf.msg.head.msgh_remote_port = GC_ports.exception; - buf.msg.head.msgh_local_port = MACH_PORT_NULL; - buf.msg.head.msgh_id = id; - - r = mach_msg(&buf.msg.head, MACH_SEND_MSG | MACH_RCV_MSG | MACH_RCV_LARGE, - sizeof(buf.msg), sizeof(buf), GC_ports.reply, - MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL); - if(r != MACH_MSG_SUCCESS) - ABORT("mach_msg failed in GC_mprotect_thread_notify"); - if(buf.msg.head.msgh_id != ID_ACK) - ABORT("invalid ack in GC_mprotect_thread_notify"); -} - -/* Should only be called by the mprotect thread */ -static void GC_mprotect_thread_reply(void) -{ - - GC_msg_t msg; - mach_msg_return_t r; - /* remote, local */ - msg.head.msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_MAKE_SEND, 0); - msg.head.msgh_size = sizeof(msg); - msg.head.msgh_remote_port = GC_ports.reply; - msg.head.msgh_local_port = MACH_PORT_NULL; - msg.head.msgh_id = ID_ACK; - - r = mach_msg(&msg.head, MACH_SEND_MSG, sizeof(msg), 0, MACH_PORT_NULL, - MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL); - if(r != MACH_MSG_SUCCESS) - ABORT("mach_msg failed in GC_mprotect_thread_reply"); -} - -void GC_mprotect_stop(void) -{ - GC_mprotect_thread_notify(ID_STOP); -} -void GC_mprotect_resume(void) -{ - GC_mprotect_thread_notify(ID_RESUME); -} - -#else /* !THREADS */ -/* The compiler should optimize away any GC_mprotect_state computations */ -#define GC_mprotect_state GC_MP_NORMAL -#endif - -static void *GC_mprotect_thread(void *arg) -{ - mach_msg_return_t r; - /* These two structures contain some private kernel data. We don't need to - access any of it so we don't bother defining a proper struct. The - correct definitions are in the xnu source code. */ - struct { - mach_msg_header_t head; - char data[256]; - } reply; - struct { - mach_msg_header_t head; - mach_msg_body_t msgh_body; - char data[1024]; - } msg; - - mach_msg_id_t id; - - GC_darwin_register_mach_handler_thread(mach_thread_self()); - - for(;;) { - r = mach_msg(&msg.head, MACH_RCV_MSG | MACH_RCV_LARGE | - (GC_mprotect_state == GC_MP_DISCARDING ? MACH_RCV_TIMEOUT : 0), - 0, sizeof(msg), GC_ports.exception, - GC_mprotect_state == GC_MP_DISCARDING ? 0 - : MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL); - - id = r == MACH_MSG_SUCCESS ? msg.head.msgh_id : -1; - -# if defined(THREADS) - if(GC_mprotect_state == GC_MP_DISCARDING) { - if(r == MACH_RCV_TIMED_OUT) { - GC_mprotect_state = GC_MP_STOPPED; - GC_mprotect_thread_reply(); - continue; - } - if(r == MACH_MSG_SUCCESS && (id == ID_STOP || id == ID_RESUME)) - ABORT("out of order mprotect thread request"); - } -# endif /* THREADS */ - - if(r != MACH_MSG_SUCCESS) { - GC_err_printf("mach_msg failed with %d %s\n", (int)r, - mach_error_string(r)); - ABORT("mach_msg failed"); - } - - switch(id) { -# if defined(THREADS) - case ID_STOP: - if(GC_mprotect_state != GC_MP_NORMAL) - ABORT("Called mprotect_stop when state wasn't normal"); - GC_mprotect_state = GC_MP_DISCARDING; - break; - case ID_RESUME: - if(GC_mprotect_state != GC_MP_STOPPED) - ABORT("Called mprotect_resume when state wasn't stopped"); - GC_mprotect_state = GC_MP_NORMAL; - GC_mprotect_thread_reply(); - break; -# endif /* THREADS */ - default: - /* Handle the message (calls catch_exception_raise) */ - if(!exc_server(&msg.head, &reply.head)) - ABORT("exc_server failed"); - /* Send the reply */ - r = mach_msg(&reply.head, MACH_SEND_MSG, reply.head.msgh_size, 0, - MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, - MACH_PORT_NULL); - if(r != MACH_MSG_SUCCESS) { - /* This will fail if the thread dies, but the thread */ - /* shouldn't die... */ -# ifdef BROKEN_EXCEPTION_HANDLING - GC_err_printf("mach_msg failed with %d %s while sending" - "exc reply\n", (int)r,mach_error_string(r)); -# else - ABORT("mach_msg failed while sending exception reply"); -# endif - } - } /* switch */ - } /* for(;;) */ - /* NOT REACHED */ - return NULL; -} - -/* All this SIGBUS code shouldn't be necessary. All protection faults should - be going throught the mach exception handler. However, it seems a SIGBUS is - occasionally sent for some unknown reason. Even more odd, it seems to be - meaningless and safe to ignore. */ -#ifdef BROKEN_EXCEPTION_HANDLING - -static SIG_HNDLR_PTR GC_old_bus_handler; - -/* Updates to this aren't atomic, but the SIGBUSs seem pretty rare. - Even if this doesn't get updated property, it isn't really a problem */ -static int GC_sigbus_count; - -static void GC_darwin_sigbus(int num, siginfo_t *sip, void *context) -{ - if(num != SIGBUS) - ABORT("Got a non-sigbus signal in the sigbus handler"); - - /* Ugh... some seem safe to ignore, but too many in a row probably means - trouble. GC_sigbus_count is reset for each mach exception that is - handled */ - if(GC_sigbus_count >= 8) { - ABORT("Got more than 8 SIGBUSs in a row!"); - } else { - GC_sigbus_count++; - WARN("Ignoring SIGBUS.\n", 0); - } -} -#endif /* BROKEN_EXCEPTION_HANDLING */ - -void GC_dirty_init(void) -{ - kern_return_t r; - mach_port_t me; - pthread_t thread; - pthread_attr_t attr; - exception_mask_t mask; - - if (GC_print_stats == VERBOSE) - GC_log_printf("Inititalizing mach/darwin mprotect virtual dirty bit " - "implementation\n"); -# ifdef BROKEN_EXCEPTION_HANDLING - WARN("Enabling workarounds for various darwin " - "exception handling bugs.\n", 0); -# endif - GC_dirty_maintained = TRUE; - if (GC_page_size % HBLKSIZE != 0) { - GC_err_printf("Page size not multiple of HBLKSIZE\n"); - ABORT("Page size not multiple of HBLKSIZE"); - } - - GC_task_self = me = mach_task_self(); - - r = mach_port_allocate(me, MACH_PORT_RIGHT_RECEIVE, &GC_ports.exception); - if(r != KERN_SUCCESS) - ABORT("mach_port_allocate failed (exception port)"); - - r = mach_port_insert_right(me, GC_ports.exception, GC_ports.exception, - MACH_MSG_TYPE_MAKE_SEND); - if(r != KERN_SUCCESS) - ABORT("mach_port_insert_right failed (exception port)"); - -# if defined(THREADS) - r = mach_port_allocate(me, MACH_PORT_RIGHT_RECEIVE, &GC_ports.reply); - if(r != KERN_SUCCESS) - ABORT("mach_port_allocate failed (reply port)"); -# endif - - /* The exceptions we want to catch */ - mask = EXC_MASK_BAD_ACCESS; - - r = task_get_exception_ports(me, mask, GC_old_exc_ports.masks, - &GC_old_exc_ports.count, GC_old_exc_ports.ports, - GC_old_exc_ports.behaviors, - GC_old_exc_ports.flavors); - if(r != KERN_SUCCESS) - ABORT("task_get_exception_ports failed"); - - r = task_set_exception_ports(me, mask, GC_ports.exception, EXCEPTION_DEFAULT, - GC_MACH_THREAD_STATE); - if(r != KERN_SUCCESS) - ABORT("task_set_exception_ports failed"); - if(pthread_attr_init(&attr) != 0) - ABORT("pthread_attr_init failed"); - if(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED) != 0) - ABORT("pthread_attr_setdetachedstate failed"); - -# undef pthread_create - /* This will call the real pthread function, not our wrapper */ - if(pthread_create(&thread, &attr, GC_mprotect_thread, NULL) != 0) - ABORT("pthread_create failed"); - pthread_attr_destroy(&attr); - - /* Setup the sigbus handler for ignoring the meaningless SIGBUSs */ -# ifdef BROKEN_EXCEPTION_HANDLING - { - struct sigaction sa, oldsa; - sa.sa_handler = (SIG_HNDLR_PTR)GC_darwin_sigbus; - sigemptyset(&sa.sa_mask); - sa.sa_flags = SA_RESTART|SA_SIGINFO; - if(sigaction(SIGBUS, &sa, &oldsa) < 0) - ABORT("sigaction"); - GC_old_bus_handler = (SIG_HNDLR_PTR)oldsa.sa_handler; - if (GC_old_bus_handler != SIG_DFL) { - if (GC_print_stats == VERBOSE) - GC_err_printf("Replaced other SIGBUS handler\n"); - } - } -# endif /* BROKEN_EXCEPTION_HANDLING */ -} - -/* The source code for Apple's GDB was used as a reference for the exception - forwarding code. This code is similar to be GDB code only because there is - only one way to do it. */ -static kern_return_t GC_forward_exception(mach_port_t thread, mach_port_t task, - exception_type_t exception, - exception_data_t data, - mach_msg_type_number_t data_count) -{ - unsigned int i; - kern_return_t r; - mach_port_t port; - exception_behavior_t behavior; - thread_state_flavor_t flavor; - - thread_state_t thread_state = NULL; - mach_msg_type_number_t thread_state_count = THREAD_STATE_MAX; - - for(i=0; i < GC_old_exc_ports.count; i++) - if(GC_old_exc_ports.masks[i] & (1 << exception)) - break; - if(i==GC_old_exc_ports.count) - ABORT("No handler for exception!"); - - port = GC_old_exc_ports.ports[i]; - behavior = GC_old_exc_ports.behaviors[i]; - flavor = GC_old_exc_ports.flavors[i]; - - if(behavior != EXCEPTION_DEFAULT) { - r = thread_get_state(thread, flavor, thread_state, &thread_state_count); - if(r != KERN_SUCCESS) - ABORT("thread_get_state failed in forward_exception"); - } - - switch(behavior) { - case EXCEPTION_DEFAULT: - r = exception_raise(port, thread, task, exception, data, data_count); - break; - case EXCEPTION_STATE: - r = exception_raise_state(port, thread, task, exception, data, data_count, - &flavor, thread_state, thread_state_count, - thread_state, &thread_state_count); - break; - case EXCEPTION_STATE_IDENTITY: - r = exception_raise_state_identity(port, thread, task, exception, data, - data_count, &flavor, thread_state, - thread_state_count, thread_state, - &thread_state_count); - break; - default: - r = KERN_FAILURE; /* make gcc happy */ - ABORT("forward_exception: unknown behavior"); - break; - } - - if(behavior != EXCEPTION_DEFAULT) { - r = thread_set_state(thread, flavor, thread_state, thread_state_count); - if(r != KERN_SUCCESS) - ABORT("thread_set_state failed in forward_exception"); - } - - return r; -} - -#define FWD() GC_forward_exception(thread, task, exception, code, code_count) - -/* This violates the namespace rules but there isn't anything that can be done - about it. The exception handling stuff is hard coded to call this */ -kern_return_t -catch_exception_raise(mach_port_t exception_port, mach_port_t thread, - mach_port_t task, exception_type_t exception, - exception_data_t code, mach_msg_type_number_t code_count) -{ - kern_return_t r; - char *addr; - struct hblk *h; - unsigned int i; -# if defined(POWERPC) -# if CPP_WORDSZ == 32 - thread_state_flavor_t flavor = PPC_EXCEPTION_STATE; - mach_msg_type_number_t exc_state_count = PPC_EXCEPTION_STATE_COUNT; - ppc_exception_state_t exc_state; -# else - thread_state_flavor_t flavor = PPC_EXCEPTION_STATE64; - mach_msg_type_number_t exc_state_count = PPC_EXCEPTION_STATE64_COUNT; - ppc_exception_state64_t exc_state; -# endif -# elif defined(I386) || defined(X86_64) -# if CPP_WORDSZ == 32 - thread_state_flavor_t flavor = x86_EXCEPTION_STATE32; - mach_msg_type_number_t exc_state_count = x86_EXCEPTION_STATE32_COUNT; - x86_exception_state32_t exc_state; -# else - thread_state_flavor_t flavor = x86_EXCEPTION_STATE64; - mach_msg_type_number_t exc_state_count = x86_EXCEPTION_STATE64_COUNT; - x86_exception_state64_t exc_state; -# endif -# else -# error FIXME for non-ppc/x86 darwin -# endif - - - if(exception != EXC_BAD_ACCESS || code[0] != KERN_PROTECTION_FAILURE) { -# ifdef DEBUG_EXCEPTION_HANDLING - /* We aren't interested, pass it on to the old handler */ - GC_printf("Exception: 0x%x Code: 0x%x 0x%x in catch....\n", exception, - code_count > 0 ? code[0] : -1, code_count > 1 ? code[1] : -1); -# endif - return FWD(); - } - - r = thread_get_state(thread, flavor, (natural_t*)&exc_state, - &exc_state_count); - if(r != KERN_SUCCESS) { - /* The thread is supposed to be suspended while the exception handler - is called. This shouldn't fail. */ -# ifdef BROKEN_EXCEPTION_HANDLING - GC_err_printf("thread_get_state failed in catch_exception_raise\n"); - return KERN_SUCCESS; -# else - ABORT("thread_get_state failed in catch_exception_raise"); -# endif - } - - /* This is the address that caused the fault */ -# if defined(POWERPC) - addr = (char*) exc_state. THREAD_FLD(dar); -# elif defined (I386) || defined (X86_64) - addr = (char*) exc_state. THREAD_FLD(faultvaddr); -# else -# error FIXME for non POWERPC/I386 -# endif - - if((HDR(addr)) == 0) { - /* Ugh... just like the SIGBUS problem above, it seems we get a bogus - KERN_PROTECTION_FAILURE every once and a while. We wait till we get - a bunch in a row before doing anything about it. If a "real" fault - ever occurres it'll just keep faulting over and over and we'll hit - the limit pretty quickly. */ -# ifdef BROKEN_EXCEPTION_HANDLING - static char *last_fault; - static int last_fault_count; - - if(addr != last_fault) { - last_fault = addr; - last_fault_count = 0; - } - if(++last_fault_count < 32) { - if(last_fault_count == 1) - WARN("Ignoring KERN_PROTECTION_FAILURE at %lx\n", (GC_word)addr); - return KERN_SUCCESS; - } - - GC_err_printf("Unexpected KERN_PROTECTION_FAILURE at %p\n",addr); - /* Can't pass it along to the signal handler because that is - ignoring SIGBUS signals. We also shouldn't call ABORT here as - signals don't always work too well from the exception handler. */ - GC_err_printf("Aborting\n"); - exit(EXIT_FAILURE); -# else /* BROKEN_EXCEPTION_HANDLING */ - /* Pass it along to the next exception handler - (which should call SIGBUS/SIGSEGV) */ - return FWD(); -# endif /* !BROKEN_EXCEPTION_HANDLING */ - } - -# ifdef BROKEN_EXCEPTION_HANDLING - /* Reset the number of consecutive SIGBUSs */ - GC_sigbus_count = 0; -# endif - - if(GC_mprotect_state == GC_MP_NORMAL) { /* common case */ - h = (struct hblk*)((word)addr & ~(GC_page_size-1)); - UNPROTECT(h, GC_page_size); - for (i = 0; i < divHBLKSZ(GC_page_size); i++) { - register int index = PHT_HASH(h+i); - async_set_pht_entry_from_index(GC_dirty_pages, index); - } - } else if(GC_mprotect_state == GC_MP_DISCARDING) { - /* Lie to the thread for now. No sense UNPROTECT()ing the memory - when we're just going to PROTECT() it again later. The thread - will just fault again once it resumes */ - } else { - /* Shouldn't happen, i don't think */ - GC_printf("KERN_PROTECTION_FAILURE while world is stopped\n"); - return FWD(); - } - return KERN_SUCCESS; -} -#undef FWD - -/* These should never be called, but just in case... */ -kern_return_t -catch_exception_raise_state(mach_port_name_t exception_port, int exception, - exception_data_t code, - mach_msg_type_number_t codeCnt, int flavor, - thread_state_t old_state, int old_stateCnt, - thread_state_t new_state, int new_stateCnt) -{ - ABORT("catch_exception_raise_state"); - return(KERN_INVALID_ARGUMENT); -} - -kern_return_t -catch_exception_raise_state_identity(mach_port_name_t exception_port, - mach_port_t thread, mach_port_t task, - int exception, exception_data_t code, - mach_msg_type_number_t codeCnt, int flavor, - thread_state_t old_state, int old_stateCnt, - thread_state_t new_state, int new_stateCnt) -{ - ABORT("catch_exception_raise_state_identity"); - return(KERN_INVALID_ARGUMENT); -} - - -#endif /* DARWIN && MPROTECT_VDB */ - -# ifndef HAVE_INCREMENTAL_PROTECTION_NEEDS - int GC_incremental_protection_needs() - { - return GC_PROTECTS_NONE; - } -# endif /* !HAVE_INCREMENTAL_PROTECTION_NEEDS */ - -/* - * Call stack save code for debugging. - * Should probably be in mach_dep.c, but that requires reorganization. - */ - -/* I suspect the following works for most X86 *nix variants, so */ -/* long as the frame pointer is explicitly stored. In the case of gcc, */ -/* compiler flags (e.g. -fomit-frame-pointer) determine whether it is. */ -#if defined(I386) && defined(LINUX) && defined(SAVE_CALL_CHAIN) -# include - - struct frame { - struct frame *fr_savfp; - long fr_savpc; - long fr_arg[NARGS]; /* All the arguments go here. */ - }; -#endif - -#if defined(SPARC) -# if defined(LINUX) -# include - - struct frame { - long fr_local[8]; - long fr_arg[6]; - struct frame *fr_savfp; - long fr_savpc; -# ifndef __arch64__ - char *fr_stret; -# endif - long fr_argd[6]; - long fr_argx[0]; - }; -# elif defined (DRSNX) -# include -# elif defined(OPENBSD) -# include -# elif defined(FREEBSD) || defined(NETBSD) -# include -# else -# include -# endif -# if NARGS > 6 -# error We only know how to to get the first 6 arguments -# endif -#endif /* SPARC */ - -#ifdef NEED_CALLINFO -/* Fill in the pc and argument information for up to NFRAMES of my */ -/* callers. Ignore my frame and my callers frame. */ - -#ifdef LINUX -# include -#endif - -#endif /* NEED_CALLINFO */ - -#if defined(GC_HAVE_BUILTIN_BACKTRACE) -# ifdef _MSC_VER -# include "private/msvc_dbg.h" -# else -# include -# endif -#endif - -#ifdef SAVE_CALL_CHAIN - -#if NARGS == 0 && NFRAMES % 2 == 0 /* No padding */ \ - && defined(GC_HAVE_BUILTIN_BACKTRACE) - -#ifdef REDIRECT_MALLOC - /* Deal with possible malloc calls in backtrace by omitting */ - /* the infinitely recursing backtrace. */ -# ifdef THREADS - __thread /* If your compiler doesn't understand this */ - /* you could use something like pthread_getspecific. */ -# endif - GC_in_save_callers = FALSE; -#endif - -void GC_save_callers (struct callinfo info[NFRAMES]) -{ - void * tmp_info[NFRAMES + 1]; - int npcs, i; -# define IGNORE_FRAMES 1 - - /* We retrieve NFRAMES+1 pc values, but discard the first, since it */ - /* points to our own frame. */ -# ifdef REDIRECT_MALLOC - if (GC_in_save_callers) { - info[0].ci_pc = (word)(&GC_save_callers); - for (i = 1; i < NFRAMES; ++i) info[i].ci_pc = 0; - return; - } - GC_in_save_callers = TRUE; -# endif - GC_ASSERT(sizeof(struct callinfo) == sizeof(void *)); - npcs = backtrace((void **)tmp_info, NFRAMES + IGNORE_FRAMES); - BCOPY(tmp_info+IGNORE_FRAMES, info, (npcs - IGNORE_FRAMES) * sizeof(void *)); - for (i = npcs - IGNORE_FRAMES; i < NFRAMES; ++i) info[i].ci_pc = 0; -# ifdef REDIRECT_MALLOC - GC_in_save_callers = FALSE; -# endif -} - -#else /* No builtin backtrace; do it ourselves */ - -#if (defined(OPENBSD) || defined(NETBSD) || defined(FREEBSD)) && defined(SPARC) -# define FR_SAVFP fr_fp -# define FR_SAVPC fr_pc -#else -# define FR_SAVFP fr_savfp -# define FR_SAVPC fr_savpc -#endif - -#if defined(SPARC) && (defined(__arch64__) || defined(__sparcv9)) -# define BIAS 2047 -#else -# define BIAS 0 -#endif - -void GC_save_callers (struct callinfo info[NFRAMES]) -{ - struct frame *frame; - struct frame *fp; - int nframes = 0; -# ifdef I386 - /* We assume this is turned on only with gcc as the compiler. */ - asm("movl %%ebp,%0" : "=r"(frame)); - fp = frame; -# else - frame = (struct frame *) GC_save_regs_in_stack (); - fp = (struct frame *)((long) frame -> FR_SAVFP + BIAS); -#endif - - for (; (!(fp HOTTER_THAN frame) && !(GC_stackbottom HOTTER_THAN (ptr_t)fp) - && (nframes < NFRAMES)); - fp = (struct frame *)((long) fp -> FR_SAVFP + BIAS), nframes++) { - register int i; - - info[nframes].ci_pc = fp->FR_SAVPC; -# if NARGS > 0 - for (i = 0; i < NARGS; i++) { - info[nframes].ci_arg[i] = ~(fp->fr_arg[i]); - } -# endif /* NARGS > 0 */ - } - if (nframes < NFRAMES) info[nframes].ci_pc = 0; -} - -#endif /* No builtin backtrace */ - -#endif /* SAVE_CALL_CHAIN */ - -#ifdef NEED_CALLINFO - -/* Print info to stderr. We do NOT hold the allocation lock */ -void GC_print_callers (struct callinfo info[NFRAMES]) -{ - register int i; - static int reentry_count = 0; - GC_bool stop = FALSE; - - /* FIXME: This should probably use a different lock, so that we */ - /* become callable with or without the allocation lock. */ - LOCK(); - ++reentry_count; - UNLOCK(); - -# if NFRAMES == 1 - GC_err_printf("\tCaller at allocation:\n"); -# else - GC_err_printf("\tCall chain at allocation:\n"); -# endif - for (i = 0; i < NFRAMES && !stop ; i++) { - if (info[i].ci_pc == 0) break; -# if NARGS > 0 - { - int j; - - GC_err_printf("\t\targs: "); - for (j = 0; j < NARGS; j++) { - if (j != 0) GC_err_printf(", "); - GC_err_printf("%d (0x%X)", ~(info[i].ci_arg[j]), - ~(info[i].ci_arg[j])); - } - GC_err_printf("\n"); - } -# endif - if (reentry_count > 1) { - /* We were called during an allocation during */ - /* a previous GC_print_callers call; punt. */ - GC_err_printf("\t\t##PC##= 0x%lx\n", info[i].ci_pc); - continue; - } - { -# ifdef LINUX - FILE *pipe; -# endif -# if defined(GC_HAVE_BUILTIN_BACKTRACE) \ - && !defined(GC_BACKTRACE_SYMBOLS_BROKEN) - char **sym_name = - backtrace_symbols((void **)(&(info[i].ci_pc)), 1); - char *name = sym_name[0]; -# else - char buf[40]; - char *name = buf; - sprintf(buf, "##PC##= 0x%lx", info[i].ci_pc); -# endif -# if defined(LINUX) && !defined(SMALL_CONFIG) - /* Try for a line number. */ - { -# define EXE_SZ 100 - static char exe_name[EXE_SZ]; -# define CMD_SZ 200 - char cmd_buf[CMD_SZ]; -# define RESULT_SZ 200 - static char result_buf[RESULT_SZ]; - size_t result_len; - char *old_preload; -# define PRELOAD_SZ 200 - char preload_buf[PRELOAD_SZ]; - static GC_bool found_exe_name = FALSE; - static GC_bool will_fail = FALSE; - int ret_code; - /* Try to get it via a hairy and expensive scheme. */ - /* First we get the name of the executable: */ - if (will_fail) goto out; - if (!found_exe_name) { - ret_code = readlink("/proc/self/exe", exe_name, EXE_SZ); - if (ret_code < 0 || ret_code >= EXE_SZ - || exe_name[0] != '/') { - will_fail = TRUE; /* Dont try again. */ - goto out; - } - exe_name[ret_code] = '\0'; - found_exe_name = TRUE; - } - /* Then we use popen to start addr2line -e */ - /* There are faster ways to do this, but hopefully this */ - /* isn't time critical. */ - sprintf(cmd_buf, "/usr/bin/addr2line -f -e %s 0x%lx", exe_name, - (unsigned long)info[i].ci_pc); - old_preload = getenv ("LD_PRELOAD"); - if (0 != old_preload) { - if (strlen (old_preload) >= PRELOAD_SZ) { - will_fail = TRUE; - goto out; - } - strcpy (preload_buf, old_preload); - unsetenv ("LD_PRELOAD"); - } - pipe = popen(cmd_buf, "r"); - if (0 != old_preload - && 0 != setenv ("LD_PRELOAD", preload_buf, 0)) { - WARN("Failed to reset LD_PRELOAD\n", 0); - } - if (pipe == NULL - || (result_len = fread(result_buf, 1, RESULT_SZ - 1, pipe)) - == 0) { - if (pipe != NULL) pclose(pipe); - will_fail = TRUE; - goto out; - } - if (result_buf[result_len - 1] == '\n') --result_len; - result_buf[result_len] = 0; - if (result_buf[0] == '?' - || (result_buf[result_len-2] == ':' - && result_buf[result_len-1] == '0')) { - pclose(pipe); - goto out; - } - /* Get rid of embedded newline, if any. Test for "main" */ - { - char * nl = strchr(result_buf, '\n'); - if (nl != NULL && nl < result_buf + result_len) { - *nl = ':'; - } - if (strncmp(result_buf, "main", nl - result_buf) == 0) { - stop = TRUE; - } - } - if (result_len < RESULT_SZ - 25) { - /* Add in hex address */ - sprintf(result_buf + result_len, " [0x%lx]", - (unsigned long)info[i].ci_pc); - } - name = result_buf; - pclose(pipe); - out:; - } -# endif /* LINUX */ - GC_err_printf("\t\t%s\n", name); -# if defined(GC_HAVE_BUILTIN_BACKTRACE) \ - && !defined(GC_BACKTRACE_SYMBOLS_BROKEN) - free(sym_name); /* May call GC_free; that's OK */ -# endif - } - } - LOCK(); - --reentry_count; - UNLOCK(); -} - -#endif /* NEED_CALLINFO */ - - - -#if defined(LINUX) && defined(__ELF__) && !defined(SMALL_CONFIG) - -/* Dump /proc/self/maps to GC_stderr, to enable looking up names for - addresses in FIND_LEAK output. */ - -static word dump_maps(char *maps) -{ - GC_err_write(maps, strlen(maps)); - return 1; -} - -void GC_print_address_map(void) -{ - GC_err_printf("---------- Begin address map ----------\n"); - dump_maps(GC_get_maps()); - GC_err_printf("---------- End address map ----------\n"); -} - -#endif - - diff --git a/vendor/gc/pcr_interface.c b/vendor/gc/pcr_interface.c deleted file mode 100644 index 77bddf8..0000000 --- a/vendor/gc/pcr_interface.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -# include "private/gc_priv.h" - -# ifdef PCR -/* - * Note that POSIX PCR requires an ANSI C compiler. Hence we are allowed - * to make the same assumption here. - * We wrap all of the allocator functions to avoid questions of - * compatibility between the prototyped and nonprototyped versions of the f - */ -# include "config/PCR_StdTypes.h" -# include "mm/PCR_MM.h" -# include - -# define MY_MAGIC 17L -# define MY_DEBUGMAGIC 42L - -void * GC_AllocProc(size_t size, PCR_Bool ptrFree, PCR_Bool clear ) -{ - if (ptrFree) { - void * result = (void *)GC_malloc_atomic(size); - if (clear && result != 0) BZERO(result, size); - return(result); - } else { - return((void *)GC_malloc(size)); - } -} - -void * GC_DebugAllocProc(size_t size, PCR_Bool ptrFree, PCR_Bool clear ) -{ - if (ptrFree) { - void * result = (void *)GC_debug_malloc_atomic(size, __FILE__, - __LINE__); - if (clear && result != 0) BZERO(result, size); - return(result); - } else { - return((void *)GC_debug_malloc(size, __FILE__, __LINE__)); - } -} - -# define GC_ReallocProc GC_realloc -void * GC_DebugReallocProc(void * old_object, size_t new_size_in_bytes) -{ - return(GC_debug_realloc(old_object, new_size_in_bytes, __FILE__, __LINE__)); -} - -# define GC_FreeProc GC_free -# define GC_DebugFreeProc GC_debug_free - -typedef struct { - PCR_ERes (*ed_proc)(void *p, size_t size, PCR_Any data); - GC_bool ed_pointerfree; - PCR_ERes ed_fail_code; - PCR_Any ed_client_data; -} enumerate_data; - -void GC_enumerate_block(struct hblk *h; enumerate_data * ed) -{ - register hdr * hhdr; - register int sz; - ptr_t p; - ptr_t lim; - word descr; -# error This code was updated without testing. -# error and its precursor was clearly broken. - - hhdr = HDR(h); - descr = hhdr -> hb_descr; - sz = hhdr -> hb_sz; - if (descr != 0 && ed -> ed_pointerfree - || descr == 0 && !(ed -> ed_pointerfree)) return; - lim = (ptr_t)(h+1) - sz; - p = (ptr_t)h; - do { - if (PCR_ERes_IsErr(ed -> ed_fail_code)) return; - ed -> ed_fail_code = - (*(ed -> ed_proc))(p, sz, ed -> ed_client_data); - p+= sz; - } while (p <= lim); -} - -struct PCR_MM_ProcsRep * GC_old_allocator = 0; - -PCR_ERes GC_EnumerateProc( - PCR_Bool ptrFree, - PCR_ERes (*proc)(void *p, size_t size, PCR_Any data), - PCR_Any data -) -{ - enumerate_data ed; - - ed.ed_proc = proc; - ed.ed_pointerfree = ptrFree; - ed.ed_fail_code = PCR_ERes_okay; - ed.ed_client_data = data; - GC_apply_to_all_blocks(GC_enumerate_block, &ed); - if (ed.ed_fail_code != PCR_ERes_okay) { - return(ed.ed_fail_code); - } else { - /* Also enumerate objects allocated by my predecessors */ - return((*(GC_old_allocator->mmp_enumerate))(ptrFree, proc, data)); - } -} - -void GC_DummyFreeProc(void *p) {} - -void GC_DummyShutdownProc(void) {} - -struct PCR_MM_ProcsRep GC_Rep = { - MY_MAGIC, - GC_AllocProc, - GC_ReallocProc, - GC_DummyFreeProc, /* mmp_free */ - GC_FreeProc, /* mmp_unsafeFree */ - GC_EnumerateProc, - GC_DummyShutdownProc /* mmp_shutdown */ -}; - -struct PCR_MM_ProcsRep GC_DebugRep = { - MY_DEBUGMAGIC, - GC_DebugAllocProc, - GC_DebugReallocProc, - GC_DummyFreeProc, /* mmp_free */ - GC_DebugFreeProc, /* mmp_unsafeFree */ - GC_EnumerateProc, - GC_DummyShutdownProc /* mmp_shutdown */ -}; - -GC_bool GC_use_debug = 0; - -void GC_pcr_install() -{ - PCR_MM_Install((GC_use_debug? &GC_DebugRep : &GC_Rep), &GC_old_allocator); -} - -PCR_ERes -PCR_GC_Setup(void) -{ - return PCR_ERes_okay; -} - -PCR_ERes -PCR_GC_Run(void) -{ - - if( !PCR_Base_TestPCRArg("-nogc") ) { - GC_quiet = ( PCR_Base_TestPCRArg("-gctrace") ? 0 : 1 ); - GC_use_debug = (GC_bool)PCR_Base_TestPCRArg("-debug_alloc"); - GC_init(); - if( !PCR_Base_TestPCRArg("-nogc_incremental") ) { - /* - * awful hack to test whether VD is implemented ... - */ - if( PCR_VD_Start( 0, NIL, 0) != PCR_ERes_FromErr(ENOSYS) ) { - GC_enable_incremental(); - } - } - } - return PCR_ERes_okay; -} - -void GC_push_thread_structures(void) -{ - /* PCR doesn't work unless static roots are pushed. Can't get here. */ - ABORT("In GC_push_thread_structures()"); -} - -# endif diff --git a/vendor/gc/pthread_stop_world.c b/vendor/gc/pthread_stop_world.c deleted file mode 100644 index c542aeb..0000000 --- a/vendor/gc/pthread_stop_world.c +++ /dev/null @@ -1,558 +0,0 @@ -#include "private/pthread_support.h" - -#if defined(GC_PTHREADS) && !defined(GC_WIN32_THREADS) && \ - !defined(GC_DARWIN_THREADS) - -#include -#include -#include -#include -#include "atomic_ops.h" - -#if DEBUG_THREADS - -#ifndef NSIG -# if defined(MAXSIG) -# define NSIG (MAXSIG+1) -# elif defined(_NSIG) -# define NSIG _NSIG -# elif defined(__SIGRTMAX) -# define NSIG (__SIGRTMAX+1) -# else - --> please fix it -# endif -#endif - -void GC_print_sig_mask() -{ - sigset_t blocked; - int i; - - if (pthread_sigmask(SIG_BLOCK, NULL, &blocked) != 0) - ABORT("pthread_sigmask"); - GC_printf("Blocked: "); - for (i = 1; i < NSIG; i++) { - if (sigismember(&blocked, i)) { GC_printf("%d ", i); } - } - GC_printf("\n"); -} - -#endif - -/* Remove the signals that we want to allow in thread stopping */ -/* handler from a set. */ -void GC_remove_allowed_signals(sigset_t *set) -{ - if (sigdelset(set, SIGINT) != 0 - || sigdelset(set, SIGQUIT) != 0 - || sigdelset(set, SIGABRT) != 0 - || sigdelset(set, SIGTERM) != 0) { - ABORT("sigdelset() failed"); - } - -# ifdef MPROTECT_VDB - /* Handlers write to the thread structure, which is in the heap, */ - /* and hence can trigger a protection fault. */ - if (sigdelset(set, SIGSEGV) != 0 -# ifdef SIGBUS - || sigdelset(set, SIGBUS) != 0 -# endif - ) { - ABORT("sigdelset() failed"); - } -# endif -} - -static sigset_t suspend_handler_mask; - -volatile AO_t GC_stop_count; - /* Incremented at the beginning of GC_stop_world. */ - -volatile AO_t GC_world_is_stopped = FALSE; - /* FALSE ==> it is safe for threads to restart, i.e. */ - /* they will see another suspend signal before they */ - /* are expected to stop (unless they have voluntarily */ - /* stopped). */ - -#ifdef GC_OSF1_THREADS - GC_bool GC_retry_signals = TRUE; -#else - GC_bool GC_retry_signals = FALSE; -#endif - -/* - * We use signals to stop threads during GC. - * - * Suspended threads wait in signal handler for SIG_THR_RESTART. - * That's more portable than semaphores or condition variables. - * (We do use sem_post from a signal handler, but that should be portable.) - * - * The thread suspension signal SIG_SUSPEND is now defined in gc_priv.h. - * Note that we can't just stop a thread; we need it to save its stack - * pointer(s) and acknowledge. - */ - -#ifndef SIG_THR_RESTART -# if defined(GC_HPUX_THREADS) || defined(GC_OSF1_THREADS) || defined(GC_NETBSD_THREADS) -# ifdef _SIGRTMIN -# define SIG_THR_RESTART _SIGRTMIN + 5 -# else -# define SIG_THR_RESTART SIGRTMIN + 5 -# endif -# else -# define SIG_THR_RESTART SIGXCPU -# endif -#endif - -sem_t GC_suspend_ack_sem; - -#ifdef GC_NETBSD_THREADS -# define GC_NETBSD_THREADS_WORKAROUND - /* It seems to be necessary to wait until threads have restarted. */ - /* But it is unclear why that is the case. */ - sem_t GC_restart_ack_sem; -#endif - -void GC_suspend_handler_inner(ptr_t sig_arg, void *context); - -#if defined(IA64) || defined(HP_PA) || defined(M68K) -#ifdef SA_SIGINFO -void GC_suspend_handler(int sig, siginfo_t *info, void *context) -#else -void GC_suspend_handler(int sig) -#endif -{ - int old_errno = errno; - GC_with_callee_saves_pushed(GC_suspend_handler_inner, (ptr_t)(word)sig); - errno = old_errno; -} -#else -/* We believe that in all other cases the full context is already */ -/* in the signal handler frame. */ -#ifdef SA_SIGINFO -void GC_suspend_handler(int sig, siginfo_t *info, void *context) -#else -void GC_suspend_handler(int sig) -#endif -{ - int old_errno = errno; -# ifndef SA_SIGINFO - void *context = 0; -# endif - GC_suspend_handler_inner((ptr_t)(word)sig, context); - errno = old_errno; -} -#endif - -void GC_suspend_handler_inner(ptr_t sig_arg, void *context) -{ - int sig = (int)(word)sig_arg; - int dummy; - pthread_t my_thread = pthread_self(); - GC_thread me; -# ifdef PARALLEL_MARK - word my_mark_no = GC_mark_no; - /* Marker can't proceed until we acknowledge. Thus this is */ - /* guaranteed to be the mark_no correspending to our */ - /* suspension, i.e. the marker can't have incremented it yet. */ -# endif - AO_t my_stop_count = AO_load(&GC_stop_count); - - if (sig != SIG_SUSPEND) ABORT("Bad signal in suspend_handler"); - -# if DEBUG_THREADS - GC_printf("Suspending 0x%x\n", (unsigned)my_thread); -# endif - - me = GC_lookup_thread(my_thread); - /* The lookup here is safe, since I'm doing this on behalf */ - /* of a thread which holds the allocation lock in order */ - /* to stop the world. Thus concurrent modification of the */ - /* data structure is impossible. */ - if (me -> stop_info.last_stop_count == my_stop_count) { - /* Duplicate signal. OK if we are retrying. */ - if (!GC_retry_signals) { - WARN("Duplicate suspend signal in thread %lx\n", - pthread_self()); - } - return; - } -# ifdef SPARC - me -> stop_info.stack_ptr = GC_save_regs_in_stack(); -# else - me -> stop_info.stack_ptr = (ptr_t)(&dummy); -# endif -# ifdef IA64 - me -> backing_store_ptr = GC_save_regs_in_stack(); -# endif - - /* Tell the thread that wants to stop the world that this */ - /* thread has been stopped. Note that sem_post() is */ - /* the only async-signal-safe primitive in LinuxThreads. */ - sem_post(&GC_suspend_ack_sem); - me -> stop_info.last_stop_count = my_stop_count; - - /* Wait until that thread tells us to restart by sending */ - /* this thread a SIG_THR_RESTART signal. */ - /* SIG_THR_RESTART should be masked at this point. Thus there */ - /* is no race. */ - /* We do not continue until we receive a SIG_THR_RESTART, */ - /* but we do not take that as authoritative. (We may be */ - /* accidentally restarted by one of the user signals we */ - /* don't block.) After we receive the signal, we use a */ - /* primitive and expensive mechanism to wait until it's */ - /* really safe to proceed. Under normal circumstances, */ - /* this code should not be executed. */ - do { - sigsuspend (&suspend_handler_mask); - } while (AO_load_acquire(&GC_world_is_stopped) - && AO_load(&GC_stop_count) == my_stop_count); - /* If the RESTART signal gets lost, we can still lose. That should be */ - /* less likely than losing the SUSPEND signal, since we don't do much */ - /* between the sem_post and sigsuspend. */ - /* We'd need more handshaking to work around that. */ - /* Simply dropping the sigsuspend call should be safe, but is unlikely */ - /* to be efficient. */ - -# if DEBUG_THREADS - GC_printf("Continuing 0x%x\n", (unsigned)my_thread); -# endif -} - -void GC_restart_handler(int sig) -{ - pthread_t my_thread = pthread_self(); - GC_thread me; - - if (sig != SIG_THR_RESTART) ABORT("Bad signal in suspend_handler"); - -# ifdef GC_NETBSD_THREADS_WORKAROUND - sem_post(&GC_restart_ack_sem); -# endif - - /* - ** Note: even if we don't do anything useful here, - ** it would still be necessary to have a signal handler, - ** rather than ignoring the signals, otherwise - ** the signals will not be delivered at all, and - ** will thus not interrupt the sigsuspend() above. - */ - -# if DEBUG_THREADS - GC_printf("In GC_restart_handler for 0x%x\n", (unsigned)pthread_self()); -# endif -} - -# ifdef IA64 -# define IF_IA64(x) x -# else -# define IF_IA64(x) -# endif -/* We hold allocation lock. Should do exactly the right thing if the */ -/* world is stopped. Should not fail if it isn't. */ -void GC_push_all_stacks() -{ - GC_bool found_me = FALSE; - size_t nthreads = 0; - int i; - GC_thread p; - ptr_t lo, hi; - /* On IA64, we also need to scan the register backing store. */ - IF_IA64(ptr_t bs_lo; ptr_t bs_hi;) - pthread_t me = pthread_self(); - - if (!GC_thr_initialized) GC_thr_init(); -# if DEBUG_THREADS - GC_printf("Pushing stacks from thread 0x%x\n", (unsigned) me); -# endif - for (i = 0; i < THREAD_TABLE_SZ; i++) { - for (p = GC_threads[i]; p != 0; p = p -> next) { - if (p -> flags & FINISHED) continue; - ++nthreads; - if (THREAD_EQUAL(p -> id, me)) { -# ifdef SPARC - lo = (ptr_t)GC_save_regs_in_stack(); -# else - lo = GC_approx_sp(); -# endif - found_me = TRUE; - IF_IA64(bs_hi = (ptr_t)GC_save_regs_in_stack();) - } else { - lo = p -> stop_info.stack_ptr; - IF_IA64(bs_hi = p -> backing_store_ptr;) - } - if ((p -> flags & MAIN_THREAD) == 0) { - hi = p -> stack_end; - IF_IA64(bs_lo = p -> backing_store_end); - } else { - /* The original stack. */ - hi = GC_stackbottom; - IF_IA64(bs_lo = BACKING_STORE_BASE;) - } -# if DEBUG_THREADS - GC_printf("Stack for thread 0x%x = [%p,%p)\n", - (unsigned)(p -> id), lo, hi); -# endif - if (0 == lo) ABORT("GC_push_all_stacks: sp not set!\n"); -# ifdef STACK_GROWS_UP - /* We got them backwards! */ - GC_push_all_stack(hi, lo); -# else - GC_push_all_stack(lo, hi); -# endif -# ifdef IA64 -# if DEBUG_THREADS - GC_printf("Reg stack for thread 0x%x = [%lx,%lx)\n", - (unsigned)p -> id, bs_lo, bs_hi); -# endif - if (THREAD_EQUAL(p -> id, me)) { - /* FIXME: This may add an unbounded number of entries, */ - /* and hence overflow the mark stack, which is bad. */ - GC_push_all_eager(bs_lo, bs_hi); - } else { - GC_push_all_stack(bs_lo, bs_hi); - } -# endif - } - } - if (GC_print_stats == VERBOSE) { - GC_log_printf("Pushed %d thread stacks\n", nthreads); - } - if (!found_me && !GC_in_thread_creation) - ABORT("Collecting from unknown thread."); -} - -/* There seems to be a very rare thread stopping problem. To help us */ -/* debug that, we save the ids of the stopping thread. */ -pthread_t GC_stopping_thread; -int GC_stopping_pid; - -/* We hold the allocation lock. Suspend all threads that might */ -/* still be running. Return the number of suspend signals that */ -/* were sent. */ -int GC_suspend_all() -{ - int n_live_threads = 0; - int i; - GC_thread p; - int result; - pthread_t my_thread = pthread_self(); - - GC_stopping_thread = my_thread; /* debugging only. */ - GC_stopping_pid = getpid(); /* debugging only. */ - for (i = 0; i < THREAD_TABLE_SZ; i++) { - for (p = GC_threads[i]; p != 0; p = p -> next) { - if (!THREAD_EQUAL(p -> id, my_thread)) { - if (p -> flags & FINISHED) continue; - if (p -> stop_info.last_stop_count == GC_stop_count) continue; - if (p -> thread_blocked) /* Will wait */ continue; - n_live_threads++; -# if DEBUG_THREADS - GC_printf("Sending suspend signal to 0x%x\n", - (unsigned)(p -> id)); -# endif - - result = pthread_kill(p -> id, SIG_SUSPEND); - switch(result) { - case ESRCH: - /* Not really there anymore. Possible? */ - n_live_threads--; - break; - case 0: - break; - default: - ABORT("pthread_kill failed"); - } - } - } - } - return n_live_threads; -} - -void GC_stop_world() -{ - int i; - int n_live_threads; - int code; - - GC_ASSERT(I_HOLD_LOCK()); -# if DEBUG_THREADS - GC_printf("Stopping the world from 0x%x\n", (unsigned)pthread_self()); -# endif - - /* Make sure all free list construction has stopped before we start. */ - /* No new construction can start, since free list construction is */ - /* required to acquire and release the GC lock before it starts, */ - /* and we have the lock. */ -# ifdef PARALLEL_MARK - GC_acquire_mark_lock(); - GC_ASSERT(GC_fl_builder_count == 0); - /* We should have previously waited for it to become zero. */ -# endif /* PARALLEL_MARK */ - AO_store(&GC_stop_count, GC_stop_count+1); - /* Only concurrent reads are possible. */ - AO_store_release(&GC_world_is_stopped, TRUE); - n_live_threads = GC_suspend_all(); - - if (GC_retry_signals) { - unsigned long wait_usecs = 0; /* Total wait since retry. */ -# define WAIT_UNIT 3000 -# define RETRY_INTERVAL 100000 - for (;;) { - int ack_count; - - sem_getvalue(&GC_suspend_ack_sem, &ack_count); - if (ack_count == n_live_threads) break; - if (wait_usecs > RETRY_INTERVAL) { - int newly_sent = GC_suspend_all(); - - if (GC_print_stats) { - GC_log_printf("Resent %d signals after timeout\n", - newly_sent); - } - sem_getvalue(&GC_suspend_ack_sem, &ack_count); - if (newly_sent < n_live_threads - ack_count) { - WARN("Lost some threads during GC_stop_world?!\n",0); - n_live_threads = ack_count + newly_sent; - } - wait_usecs = 0; - } - usleep(WAIT_UNIT); - wait_usecs += WAIT_UNIT; - } - } - for (i = 0; i < n_live_threads; i++) { - retry: - if (0 != (code = sem_wait(&GC_suspend_ack_sem))) { - /* On Linux, sem_wait is documented to always return zero.*/ - /* But the documentation appears to be incorrect. */ - if (errno == EINTR) { - /* Seems to happen with some versions of gdb. */ - goto retry; - } - ABORT("sem_wait for handler failed"); - } - } -# ifdef PARALLEL_MARK - GC_release_mark_lock(); -# endif - #if DEBUG_THREADS - GC_printf("World stopped from 0x%x\n", (unsigned)pthread_self()); - #endif - GC_stopping_thread = 0; /* debugging only */ -} - -/* Caller holds allocation lock, and has held it continuously since */ -/* the world stopped. */ -void GC_start_world() -{ - pthread_t my_thread = pthread_self(); - register int i; - register GC_thread p; - register int n_live_threads = 0; - register int result; -# ifdef GC_NETBSD_THREADS_WORKAROUND - int code; -# endif - -# if DEBUG_THREADS - GC_printf("World starting\n"); -# endif - - AO_store(&GC_world_is_stopped, FALSE); - for (i = 0; i < THREAD_TABLE_SZ; i++) { - for (p = GC_threads[i]; p != 0; p = p -> next) { - if (!THREAD_EQUAL(p -> id, my_thread)) { - if (p -> flags & FINISHED) continue; - if (p -> thread_blocked) continue; - n_live_threads++; - #if DEBUG_THREADS - GC_printf("Sending restart signal to 0x%x\n", - (unsigned)(p -> id)); - #endif - - result = pthread_kill(p -> id, SIG_THR_RESTART); - switch(result) { - case ESRCH: - /* Not really there anymore. Possible? */ - n_live_threads--; - break; - case 0: - break; - default: - ABORT("pthread_kill failed"); - } - } - } - } -# ifdef GC_NETBSD_THREADS_WORKAROUND - for (i = 0; i < n_live_threads; i++) - while (0 != (code = sem_wait(&GC_restart_ack_sem))) - if (errno != EINTR) { - GC_err_printf("sem_wait() returned %d\n", - code); - ABORT("sem_wait() for restart handler failed"); - } -# endif -# if DEBUG_THREADS - GC_printf("World started\n"); -# endif -} - -void GC_stop_init() { - struct sigaction act; - - if (sem_init(&GC_suspend_ack_sem, 0, 0) != 0) - ABORT("sem_init failed"); -# ifdef GC_NETBSD_THREADS_WORKAROUND - if (sem_init(&GC_restart_ack_sem, 0, 0) != 0) - ABORT("sem_init failed"); -# endif - - act.sa_flags = SA_RESTART -# ifdef SA_SIGINFO - | SA_SIGINFO -# endif - ; - if (sigfillset(&act.sa_mask) != 0) { - ABORT("sigfillset() failed"); - } - GC_remove_allowed_signals(&act.sa_mask); - /* SIG_THR_RESTART is set in the resulting mask. */ - /* It is unmasked by the handler when necessary. */ -# ifdef SA_SIGINFO - act.sa_sigaction = GC_suspend_handler; -# else - act.sa_handler = GC_suspend_handler; -# endif - if (sigaction(SIG_SUSPEND, &act, NULL) != 0) { - ABORT("Cannot set SIG_SUSPEND handler"); - } - -# ifdef SA_SIGINFO - act.sa_flags &= ~ SA_SIGINFO; -# endif - act.sa_handler = GC_restart_handler; - if (sigaction(SIG_THR_RESTART, &act, NULL) != 0) { - ABORT("Cannot set SIG_THR_RESTART handler"); - } - - /* Inititialize suspend_handler_mask. It excludes SIG_THR_RESTART. */ - if (sigfillset(&suspend_handler_mask) != 0) ABORT("sigfillset() failed"); - GC_remove_allowed_signals(&suspend_handler_mask); - if (sigdelset(&suspend_handler_mask, SIG_THR_RESTART) != 0) - ABORT("sigdelset() failed"); - - /* Check for GC_RETRY_SIGNALS. */ - if (0 != GETENV("GC_RETRY_SIGNALS")) { - GC_retry_signals = TRUE; - } - if (0 != GETENV("GC_NO_RETRY_SIGNALS")) { - GC_retry_signals = FALSE; - } - if (GC_print_stats && GC_retry_signals) { - GC_log_printf("Will retry suspend signal if necessary.\n"); - } -} - -#endif diff --git a/vendor/gc/pthread_support.c b/vendor/gc/pthread_support.c deleted file mode 100644 index 8ca1a3a..0000000 --- a/vendor/gc/pthread_support.c +++ /dev/null @@ -1,1492 +0,0 @@ -/* - * Copyright (c) 1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996 by Silicon Graphics. All rights reserved. - * Copyright (c) 1998 by Fergus Henderson. All rights reserved. - * Copyright (c) 2000-2005 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* - * Support code originally for LinuxThreads, the clone()-based kernel - * thread package for Linux which is included in libc6. - * - * This code no doubt makes some assumptions beyond what is - * guaranteed by the pthread standard, though it now does - * very little of that. It now also supports NPTL, and many - * other Posix thread implementations. We are trying to merge - * all flavors of pthread dupport code into this file. - */ - /* DG/UX ix86 support */ -/* - * Linux_threads.c now also includes some code to support HPUX and - * OSF1 (Compaq Tru64 Unix, really). The OSF1 support is based on Eric Benson's - * patch. - * - * Eric also suggested an alternate basis for a lock implementation in - * his code: - * + #elif defined(OSF1) - * + unsigned long GC_allocate_lock = 0; - * + msemaphore GC_allocate_semaphore; - * + # define GC_TRY_LOCK() \ - * + ((msem_lock(&GC_allocate_semaphore, MSEM_IF_NOWAIT) == 0) \ - * + ? (GC_allocate_lock = 1) \ - * + : 0) - * + # define GC_LOCK_TAKEN GC_allocate_lock - */ - -/*#define DEBUG_THREADS 1*/ - -# include "private/pthread_support.h" - -# if defined(GC_PTHREADS) && !defined(GC_WIN32_THREADS) - -# if defined(GC_DGUX386_THREADS) && !defined(_POSIX4A_DRAFT10_SOURCE) -# define _POSIX4A_DRAFT10_SOURCE 1 -# endif - -# if defined(GC_DGUX386_THREADS) && !defined(_USING_POSIX4A_DRAFT10) -# define _USING_POSIX4A_DRAFT10 1 -# endif - -# include -# include -# include -# include -# include -# include -# include -# include -# include -# include -# include -# include - -# include "gc_inline.h" - -#if defined(GC_DARWIN_THREADS) -# include "private/darwin_semaphore.h" -#else -# include -#endif /* !GC_DARWIN_THREADS */ - -#if defined(GC_DARWIN_THREADS) || defined(GC_FREEBSD_THREADS) -# include -#endif /* GC_DARWIN_THREADS */ - -#if defined(GC_NETBSD_THREADS) -# include -# include -#endif /* GC_NETBSD_THREADS */ - -/* Allocator lock definitions. */ -#if !defined(USE_SPIN_LOCK) - pthread_mutex_t GC_allocate_ml = PTHREAD_MUTEX_INITIALIZER; -#endif -unsigned long GC_lock_holder = NO_THREAD; - /* Used only for assertions, and to prevent */ - /* recursive reentry in the system call wrapper. */ - -#if defined(GC_DGUX386_THREADS) -# include -# include - /* sem_t is an uint in DG/UX */ - typedef unsigned int sem_t; -#endif /* GC_DGUX386_THREADS */ - -#ifndef __GNUC__ -# define __inline__ -#endif - -/* Undefine macros used to redirect pthread primitives. */ -# undef pthread_create -# if !defined(GC_DARWIN_THREADS) -# undef pthread_sigmask -# endif -# undef pthread_join -# undef pthread_detach -# if defined(GC_OSF1_THREADS) && defined(_PTHREAD_USE_MANGLED_NAMES_) \ - && !defined(_PTHREAD_USE_PTDNAM_) - /* Restore the original mangled names on Tru64 UNIX. */ -# define pthread_create __pthread_create -# define pthread_join __pthread_join -# define pthread_detach __pthread_detach -# endif - -#ifdef GC_USE_LD_WRAP -# define WRAP_FUNC(f) __wrap_##f -# define REAL_FUNC(f) __real_##f -#else -# ifdef GC_USE_DLOPEN_WRAP -# include -# define WRAP_FUNC(f) f -# define REAL_FUNC(f) GC_real_##f - /* We define both GC_f and plain f to be the wrapped function. */ - /* In that way plain calls work, as do calls from files that */ - /* included gc.h, wich redefined f to GC_f. */ - /* FIXME: Needs work for DARWIN and True64 (OSF1) */ - typedef int (* GC_pthread_create_t)(pthread_t *, const pthread_attr_t *, - void * (*)(void *), void *); - static GC_pthread_create_t GC_real_pthread_create; - typedef int (* GC_pthread_sigmask_t)(int, const sigset_t *, sigset_t *); - static GC_pthread_sigmask_t GC_real_pthread_sigmask; - typedef int (* GC_pthread_join_t)(pthread_t, void **); - static GC_pthread_join_t GC_real_pthread_join; - typedef int (* GC_pthread_detach_t)(pthread_t); - static GC_pthread_detach_t GC_real_pthread_detach; -# else -# define WRAP_FUNC(f) GC_##f -# if !defined(GC_DGUX386_THREADS) -# define REAL_FUNC(f) f -# else /* GC_DGUX386_THREADS */ -# define REAL_FUNC(f) __d10_##f -# endif /* GC_DGUX386_THREADS */ -# endif -#endif - -#if defined(GC_USE_DL_WRAP) || defined(GC_USE_DLOPEN_WRAP) -/* Define GC_ functions as aliases for the plain ones, which will */ -/* be intercepted. This allows files which include gc.h, and hence */ -/* generate references to the GC_ symbols, to see the right symbols. */ - int GC_pthread_create(pthread_t * t, const pthread_attr_t * a, - void * (* fn)(void *), void * arg) { - return pthread_create(t, a, fn, arg); - } - int GC_pthread_sigmask(int how, const sigset_t *mask, sigset_t *old) { - return pthread_sigmask(how, mask, old); - } - int GC_pthread_join(pthread_t t, void **res) { - return pthread_join(t, res); - } - int GC_pthread_detach(pthread_t t) { - return pthread_detach(t); - } -#endif /* Linker-based interception. */ - -#ifdef GC_USE_DLOPEN_WRAP - static GC_bool GC_syms_initialized = FALSE; - - void GC_init_real_syms(void) - { - void *dl_handle; -# define LIBPTHREAD_NAME "libpthread.so.0" -# define LIBPTHREAD_NAME_LEN 16 /* incl. trailing 0 */ - size_t len = LIBPTHREAD_NAME_LEN - 1; - char namebuf[LIBPTHREAD_NAME_LEN]; - static char *libpthread_name = LIBPTHREAD_NAME; - - if (GC_syms_initialized) return; -# ifdef RTLD_NEXT - dl_handle = RTLD_NEXT; -# else - dl_handle = dlopen(libpthread_name, RTLD_LAZY); - if (NULL == dl_handle) { - while (isdigit(libpthread_name[len-1])) --len; - if (libpthread_name[len-1] == '.') --len; - memcpy(namebuf, libpthread_name, len); - namebuf[len] = '\0'; - dl_handle = dlopen(namebuf, RTLD_LAZY); - } - if (NULL == dl_handle) ABORT("Couldn't open libpthread\n"); -# endif - GC_real_pthread_create = (GC_pthread_create_t) - dlsym(dl_handle, "pthread_create"); - GC_real_pthread_sigmask = (GC_pthread_sigmask_t) - dlsym(dl_handle, "pthread_sigmask"); - GC_real_pthread_join = (GC_pthread_join_t) - dlsym(dl_handle, "pthread_join"); - GC_real_pthread_detach = (GC_pthread_detach_t) - dlsym(dl_handle, "pthread_detach"); - GC_syms_initialized = TRUE; - } - -# define INIT_REAL_SYMS() if (!GC_syms_initialized) GC_init_real_syms(); -#else -# define INIT_REAL_SYMS() -#endif - -void GC_thr_init(void); - -static GC_bool parallel_initialized = FALSE; - -GC_bool GC_need_to_lock = FALSE; - -void GC_init_parallel(void); - -long GC_nprocs = 1; /* Number of processors. We may not have */ - /* access to all of them, but this is as good */ - /* a guess as any ... */ - -#ifdef THREAD_LOCAL_ALLOC -/* We must explicitly mark ptrfree and gcj free lists, since the free */ -/* list links wouldn't otherwise be found. We also set them in the */ -/* normal free lists, since that involves touching less memory than if */ -/* we scanned them normally. */ -void GC_mark_thread_local_free_lists(void) -{ - int i; - GC_thread p; - - for (i = 0; i < THREAD_TABLE_SZ; ++i) { - for (p = GC_threads[i]; 0 != p; p = p -> next) { - GC_mark_thread_local_fls_for(&(p->tlfs)); - } - } -} - -#if defined(GC_ASSERTIONS) - /* Check that all thread-local free-lists are completely marked. */ - /* also check that thread-specific-data structures are marked. */ - void GC_check_tls(void) { - int i; - GC_thread p; - - for (i = 0; i < THREAD_TABLE_SZ; ++i) { - for (p = GC_threads[i]; 0 != p; p = p -> next) { - GC_check_tls_for(&(p->tlfs)); - } - } -# if defined(USE_CUSTOM_SPECIFIC) - if (GC_thread_key != 0) - GC_check_tsd_marks(GC_thread_key); -# endif - } -#endif /* GC_ASSERTIONS */ - -#endif /* Thread_local_alloc */ - -#ifdef PARALLEL_MARK - -# ifndef MAX_MARKERS -# define MAX_MARKERS 16 -# endif - -static ptr_t marker_sp[MAX_MARKERS] = {0}; -#ifdef IA64 - static ptr_t marker_bsp[MAX_MARKERS] = {0}; -#endif - -void * GC_mark_thread(void * id) -{ - word my_mark_no = 0; - - marker_sp[(word)id] = GC_approx_sp(); -# ifdef IA64 - marker_bsp[(word)id] = GC_save_regs_in_stack(); -# endif - for (;; ++my_mark_no) { - /* GC_mark_no is passed only to allow GC_help_marker to terminate */ - /* promptly. This is important if it were called from the signal */ - /* handler or from the GC lock acquisition code. Under Linux, it's */ - /* not safe to call it from a signal handler, since it uses mutexes */ - /* and condition variables. Since it is called only here, the */ - /* argument is unnecessary. */ - if (my_mark_no < GC_mark_no || my_mark_no > GC_mark_no + 2) { - /* resynchronize if we get far off, e.g. because GC_mark_no */ - /* wrapped. */ - my_mark_no = GC_mark_no; - } -# ifdef DEBUG_THREADS - GC_printf("Starting mark helper for mark number %lu\n", my_mark_no); -# endif - GC_help_marker(my_mark_no); - } -} - -extern long GC_markers; /* Number of mark threads we would */ - /* like to have. Includes the */ - /* initiating thread. */ - -pthread_t GC_mark_threads[MAX_MARKERS]; - -#define PTHREAD_CREATE REAL_FUNC(pthread_create) - -static void start_mark_threads(void) -{ - unsigned i; - pthread_attr_t attr; - - if (GC_markers > MAX_MARKERS) { - WARN("Limiting number of mark threads\n", 0); - GC_markers = MAX_MARKERS; - } - if (0 != pthread_attr_init(&attr)) ABORT("pthread_attr_init failed"); - - if (0 != pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED)) - ABORT("pthread_attr_setdetachstate failed"); - -# if defined(HPUX) || defined(GC_DGUX386_THREADS) - /* Default stack size is usually too small: fix it. */ - /* Otherwise marker threads or GC may run out of */ - /* space. */ -# define MIN_STACK_SIZE (8*HBLKSIZE*sizeof(word)) - { - size_t old_size; - int code; - - if (pthread_attr_getstacksize(&attr, &old_size) != 0) - ABORT("pthread_attr_getstacksize failed\n"); - if (old_size < MIN_STACK_SIZE) { - if (pthread_attr_setstacksize(&attr, MIN_STACK_SIZE) != 0) - ABORT("pthread_attr_setstacksize failed\n"); - } - } -# endif /* HPUX || GC_DGUX386_THREADS */ - if (GC_print_stats) { - GC_log_printf("Starting %ld marker threads\n", GC_markers - 1); - } - for (i = 0; i < GC_markers - 1; ++i) { - if (0 != PTHREAD_CREATE(GC_mark_threads + i, &attr, - GC_mark_thread, (void *)(word)i)) { - WARN("Marker thread creation failed, errno = %ld.\n", errno); - } - } -} - -#endif /* PARALLEL_MARK */ - -GC_bool GC_thr_initialized = FALSE; - -volatile GC_thread GC_threads[THREAD_TABLE_SZ]; - -void GC_push_thread_structures(void) -{ - GC_ASSERT(I_HOLD_LOCK()); - GC_push_all((ptr_t)(GC_threads), (ptr_t)(GC_threads)+sizeof(GC_threads)); -# if defined(THREAD_LOCAL_ALLOC) - GC_push_all((ptr_t)(&GC_thread_key), - (ptr_t)(&GC_thread_key)+sizeof(&GC_thread_key)); -# endif -} - -/* It may not be safe to allocate when we register the first thread. */ -static struct GC_Thread_Rep first_thread; - -/* Add a thread to GC_threads. We assume it wasn't already there. */ -/* Caller holds allocation lock. */ -GC_thread GC_new_thread(pthread_t id) -{ - int hv = NUMERIC_THREAD_ID(id) % THREAD_TABLE_SZ; - GC_thread result; - static GC_bool first_thread_used = FALSE; - - GC_ASSERT(I_HOLD_LOCK()); - if (!first_thread_used) { - result = &first_thread; - first_thread_used = TRUE; - } else { - result = (struct GC_Thread_Rep *) - GC_INTERNAL_MALLOC(sizeof(struct GC_Thread_Rep), NORMAL); - GC_ASSERT(result -> flags == 0); - } - if (result == 0) return(0); - result -> id = id; - result -> next = GC_threads[hv]; - GC_threads[hv] = result; - GC_ASSERT(result -> flags == 0 && result -> thread_blocked == 0); - return(result); -} - -/* Delete a thread from GC_threads. We assume it is there. */ -/* (The code intentionally traps if it wasn't.) */ -void GC_delete_thread(pthread_t id) -{ - int hv = NUMERIC_THREAD_ID(id) % THREAD_TABLE_SZ; - register GC_thread p = GC_threads[hv]; - register GC_thread prev = 0; - - GC_ASSERT(I_HOLD_LOCK()); - while (!THREAD_EQUAL(p -> id, id)) { - prev = p; - p = p -> next; - } - if (prev == 0) { - GC_threads[hv] = p -> next; - } else { - prev -> next = p -> next; - } -# ifdef GC_DARWIN_THREADS - mach_port_deallocate(mach_task_self(), p->stop_info.mach_thread); -# endif - GC_INTERNAL_FREE(p); -} - -/* If a thread has been joined, but we have not yet */ -/* been notified, then there may be more than one thread */ -/* in the table with the same pthread id. */ -/* This is OK, but we need a way to delete a specific one. */ -void GC_delete_gc_thread(GC_thread gc_id) -{ - pthread_t id = gc_id -> id; - int hv = NUMERIC_THREAD_ID(id) % THREAD_TABLE_SZ; - register GC_thread p = GC_threads[hv]; - register GC_thread prev = 0; - - GC_ASSERT(I_HOLD_LOCK()); - while (p != gc_id) { - prev = p; - p = p -> next; - } - if (prev == 0) { - GC_threads[hv] = p -> next; - } else { - prev -> next = p -> next; - } -# ifdef GC_DARWIN_THREADS - mach_port_deallocate(mach_task_self(), p->stop_info.mach_thread); -# endif - GC_INTERNAL_FREE(p); -} - -/* Return a GC_thread corresponding to a given pthread_t. */ -/* Returns 0 if it's not there. */ -/* Caller holds allocation lock or otherwise inhibits */ -/* updates. */ -/* If there is more than one thread with the given id we */ -/* return the most recent one. */ -GC_thread GC_lookup_thread(pthread_t id) -{ - int hv = NUMERIC_THREAD_ID(id) % THREAD_TABLE_SZ; - register GC_thread p = GC_threads[hv]; - - while (p != 0 && !THREAD_EQUAL(p -> id, id)) p = p -> next; - return(p); -} - -#ifdef HANDLE_FORK -/* Remove all entries from the GC_threads table, except the */ -/* one for the current thread. We need to do this in the child */ -/* process after a fork(), since only the current thread */ -/* survives in the child. */ -void GC_remove_all_threads_but_me(void) -{ - pthread_t self = pthread_self(); - int hv; - GC_thread p, next, me; - - for (hv = 0; hv < THREAD_TABLE_SZ; ++hv) { - me = 0; - for (p = GC_threads[hv]; 0 != p; p = next) { - next = p -> next; - if (THREAD_EQUAL(p -> id, self)) { - me = p; - p -> next = 0; - } else { -# ifdef THREAD_LOCAL_ALLOC - if (!(p -> flags & FINISHED)) { - GC_destroy_thread_local(&(p->tlfs)); - } -# endif /* THREAD_LOCAL_ALLOC */ - if (p != &first_thread) GC_INTERNAL_FREE(p); - } - } - GC_threads[hv] = me; - } -} -#endif /* HANDLE_FORK */ - -#ifdef USE_PROC_FOR_LIBRARIES -GC_bool GC_segment_is_thread_stack(ptr_t lo, ptr_t hi) -{ - int i; - GC_thread p; - - GC_ASSERT(I_HOLD_LOCK()); -# ifdef PARALLEL_MARK - for (i = 0; i < GC_markers; ++i) { - if (marker_sp[i] > lo & marker_sp[i] < hi) return TRUE; -# ifdef IA64 - if (marker_bsp[i] > lo & marker_bsp[i] < hi) return TRUE; -# endif - } -# endif - for (i = 0; i < THREAD_TABLE_SZ; i++) { - for (p = GC_threads[i]; p != 0; p = p -> next) { - if (0 != p -> stack_end) { -# ifdef STACK_GROWS_UP - if (p -> stack_end >= lo && p -> stack_end < hi) return TRUE; -# else /* STACK_GROWS_DOWN */ - if (p -> stack_end > lo && p -> stack_end <= hi) return TRUE; -# endif - } - } - } - return FALSE; -} -#endif /* USE_PROC_FOR_LIBRARIES */ - -#ifdef IA64 -/* Find the largest stack_base smaller than bound. May be used */ -/* to find the boundary between a register stack and adjacent */ -/* immediately preceding memory stack. */ -ptr_t GC_greatest_stack_base_below(ptr_t bound) -{ - int i; - GC_thread p; - ptr_t result = 0; - - GC_ASSERT(I_HOLD_LOCK()); -# ifdef PARALLEL_MARK - for (i = 0; i < GC_markers; ++i) { - if (marker_sp[i] > result && marker_sp[i] < bound) - result = marker_sp[i]; - } -# endif - for (i = 0; i < THREAD_TABLE_SZ; i++) { - for (p = GC_threads[i]; p != 0; p = p -> next) { - if (p -> stack_end > result && p -> stack_end < bound) { - result = p -> stack_end; - } - } - } - return result; -} -#endif /* IA64 */ - -#ifdef GC_LINUX_THREADS -/* Return the number of processors, or i<= 0 if it can't be determined. */ -int GC_get_nprocs(void) -{ - /* Should be "return sysconf(_SC_NPROCESSORS_ONLN);" but that */ - /* appears to be buggy in many cases. */ - /* We look for lines "cpu" in /proc/stat. */ -# define STAT_BUF_SIZE 4096 -# define STAT_READ read - /* If read is wrapped, this may need to be redefined to call */ - /* the real one. */ - char stat_buf[STAT_BUF_SIZE]; - int f; - word result = 1; - /* Some old kernels only have a single "cpu nnnn ..." */ - /* entry in /proc/stat. We identify those as */ - /* uniprocessors. */ - size_t i, len = 0; - - f = open("/proc/stat", O_RDONLY); - if (f < 0 || (len = STAT_READ(f, stat_buf, STAT_BUF_SIZE)) < 100) { - WARN("Couldn't read /proc/stat\n", 0); - return -1; - } - for (i = 0; i < len - 100; ++i) { - if (stat_buf[i] == '\n' && stat_buf[i+1] == 'c' - && stat_buf[i+2] == 'p' && stat_buf[i+3] == 'u') { - int cpu_no = atoi(stat_buf + i + 4); - if (cpu_no >= result) result = cpu_no + 1; - } - } - close(f); - return result; -} -#endif /* GC_LINUX_THREADS */ - -/* We hold the GC lock. Wait until an in-progress GC has finished. */ -/* Repeatedly RELEASES GC LOCK in order to wait. */ -/* If wait_for_all is true, then we exit with the GC lock held and no */ -/* collection in progress; otherwise we just wait for the current GC */ -/* to finish. */ -extern GC_bool GC_collection_in_progress(void); -void GC_wait_for_gc_completion(GC_bool wait_for_all) -{ - GC_ASSERT(I_HOLD_LOCK()); - if (GC_incremental && GC_collection_in_progress()) { - int old_gc_no = GC_gc_no; - - /* Make sure that no part of our stack is still on the mark stack, */ - /* since it's about to be unmapped. */ - while (GC_incremental && GC_collection_in_progress() - && (wait_for_all || old_gc_no == GC_gc_no)) { - ENTER_GC(); - GC_in_thread_creation = TRUE; - GC_collect_a_little_inner(1); - GC_in_thread_creation = FALSE; - EXIT_GC(); - UNLOCK(); - sched_yield(); - LOCK(); - } - } -} - -#ifdef HANDLE_FORK -/* Procedures called before and after a fork. The goal here is to make */ -/* it safe to call GC_malloc() in a forked child. It's unclear that is */ -/* attainable, since the single UNIX spec seems to imply that one */ -/* should only call async-signal-safe functions, and we probably can't */ -/* quite guarantee that. But we give it our best shot. (That same */ -/* spec also implies that it's not safe to call the system malloc */ -/* between fork() and exec(). Thus we're doing no worse than it. */ - -/* Called before a fork() */ -void GC_fork_prepare_proc(void) -{ - /* Acquire all relevant locks, so that after releasing the locks */ - /* the child will see a consistent state in which monitor */ - /* invariants hold. Unfortunately, we can't acquire libc locks */ - /* we might need, and there seems to be no guarantee that libc */ - /* must install a suitable fork handler. */ - /* Wait for an ongoing GC to finish, since we can't finish it in */ - /* the (one remaining thread in) the child. */ - LOCK(); -# if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - GC_wait_for_reclaim(); -# endif - GC_wait_for_gc_completion(TRUE); -# if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - GC_acquire_mark_lock(); -# endif -} - -/* Called in parent after a fork() */ -void GC_fork_parent_proc(void) -{ -# if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - GC_release_mark_lock(); -# endif - UNLOCK(); -} - -/* Called in child after a fork() */ -void GC_fork_child_proc(void) -{ - /* Clean up the thread table, so that just our thread is left. */ -# if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - GC_release_mark_lock(); -# endif - GC_remove_all_threads_but_me(); -# ifdef PARALLEL_MARK - /* Turn off parallel marking in the child, since we are probably */ - /* just going to exec, and we would have to restart mark threads. */ - GC_markers = 1; - GC_parallel = FALSE; -# endif /* PARALLEL_MARK */ - UNLOCK(); -} -#endif /* HANDLE_FORK */ - -#if defined(GC_DGUX386_THREADS) -/* Return the number of processors, or i<= 0 if it can't be determined. */ -int GC_get_nprocs(void) -{ - /* */ - int numCpus; - struct dg_sys_info_pm_info pm_sysinfo; - int status =0; - - status = dg_sys_info((long int *) &pm_sysinfo, - DG_SYS_INFO_PM_INFO_TYPE, DG_SYS_INFO_PM_CURRENT_VERSION); - if (status < 0) - /* set -1 for error */ - numCpus = -1; - else - /* Active CPUs */ - numCpus = pm_sysinfo.idle_vp_count; - -# ifdef DEBUG_THREADS - GC_printf("Number of active CPUs in this system: %d\n", numCpus); -# endif - return(numCpus); -} -#endif /* GC_DGUX386_THREADS */ - -#if defined(GC_NETBSD_THREADS) -static int get_ncpu(void) -{ - int mib[] = {CTL_HW,HW_NCPU}; - int res; - size_t len = sizeof(res); - - sysctl(mib, sizeof(mib)/sizeof(int), &res, &len, NULL, 0); - return res; -} -#endif /* GC_NETBSD_THREADS */ - -# if defined(GC_LINUX_THREADS) && defined(INCLUDE_LINUX_THREAD_DESCR) -__thread int dummy_thread_local; -# endif - -/* We hold the allocation lock. */ -void GC_thr_init(void) -{ -# ifndef GC_DARWIN_THREADS - int dummy; -# endif - GC_thread t; - - if (GC_thr_initialized) return; - GC_thr_initialized = TRUE; - -# ifdef HANDLE_FORK - /* Prepare for a possible fork. */ - pthread_atfork(GC_fork_prepare_proc, GC_fork_parent_proc, - GC_fork_child_proc); -# endif /* HANDLE_FORK */ -# if defined(INCLUDE_LINUX_THREAD_DESCR) - /* Explicitly register the region including the address */ - /* of a thread local variable. This should include thread */ - /* locals for the main thread, except for those allocated */ - /* in response to dlopen calls. */ - { - ptr_t thread_local_addr = (ptr_t)(&dummy_thread_local); - ptr_t main_thread_start, main_thread_end; - if (!GC_enclosing_mapping(thread_local_addr, &main_thread_start, - &main_thread_end)) { - ABORT("Failed to find mapping for main thread thread locals"); - } - GC_add_roots_inner(main_thread_start, main_thread_end, FALSE); - } -# endif - /* Add the initial thread, so we can stop it. */ - t = GC_new_thread(pthread_self()); -# ifdef GC_DARWIN_THREADS - t -> stop_info.mach_thread = mach_thread_self(); -# else - t -> stop_info.stack_ptr = (ptr_t)(&dummy); -# endif - t -> flags = DETACHED | MAIN_THREAD; - - GC_stop_init(); - - /* Set GC_nprocs. */ - { - char * nprocs_string = GETENV("GC_NPROCS"); - GC_nprocs = -1; - if (nprocs_string != NULL) GC_nprocs = atoi(nprocs_string); - } - if (GC_nprocs <= 0) { -# if defined(GC_HPUX_THREADS) - GC_nprocs = pthread_num_processors_np(); -# endif -# if defined(GC_OSF1_THREADS) || defined(GC_AIX_THREADS) \ - || defined(GC_SOLARIS_THREADS) || defined(GC_GNU_THREADS) - GC_nprocs = sysconf(_SC_NPROCESSORS_ONLN); - if (GC_nprocs <= 0) GC_nprocs = 1; -# endif -# if defined(GC_IRIX_THREADS) - GC_nprocs = sysconf(_SC_NPROC_ONLN); - if (GC_nprocs <= 0) GC_nprocs = 1; -# endif -# if defined(GC_NETBSD_THREADS) - GC_nprocs = get_ncpu(); -# endif -# if defined(GC_DARWIN_THREADS) || defined(GC_FREEBSD_THREADS) - int ncpus = 1; - size_t len = sizeof(ncpus); - sysctl((int[2]) {CTL_HW, HW_NCPU}, 2, &ncpus, &len, NULL, 0); - GC_nprocs = ncpus; -# endif -# if defined(GC_LINUX_THREADS) || defined(GC_DGUX386_THREADS) - GC_nprocs = GC_get_nprocs(); -# endif - } - if (GC_nprocs <= 0) { - WARN("GC_get_nprocs() returned %ld\n", GC_nprocs); - GC_nprocs = 2; -# ifdef PARALLEL_MARK - GC_markers = 1; -# endif - } else { -# ifdef PARALLEL_MARK - { - char * markers_string = GETENV("GC_MARKERS"); - if (markers_string != NULL) { - GC_markers = atoi(markers_string); - } else { - GC_markers = GC_nprocs; - } - } -# endif - } -# ifdef PARALLEL_MARK - if (GC_print_stats) { - GC_log_printf("Number of processors = %ld, " - "number of marker threads = %ld\n", GC_nprocs, GC_markers); - } - if (GC_markers == 1) { - GC_parallel = FALSE; - if (GC_print_stats) { - GC_log_printf( - "Single marker thread, turning off parallel marking\n"); - } - } else { - GC_parallel = TRUE; - /* Disable true incremental collection, but generational is OK. */ - GC_time_limit = GC_TIME_UNLIMITED; - } - /* If we are using a parallel marker, actually start helper threads. */ - if (GC_parallel) start_mark_threads(); -# endif -} - - -/* Perform all initializations, including those that */ -/* may require allocation. */ -/* Called without allocation lock. */ -/* Must be called before a second thread is created. */ -/* Did we say it's called without the allocation lock? */ -void GC_init_parallel(void) -{ - if (parallel_initialized) return; - parallel_initialized = TRUE; - - /* GC_init() calls us back, so set flag first. */ - if (!GC_is_initialized) GC_init(); - /* Initialize thread local free lists if used. */ -# if defined(THREAD_LOCAL_ALLOC) - LOCK(); - GC_init_thread_local(&(GC_lookup_thread(pthread_self())->tlfs)); - UNLOCK(); -# endif -} - - -#if !defined(GC_DARWIN_THREADS) -int WRAP_FUNC(pthread_sigmask)(int how, const sigset_t *set, sigset_t *oset) -{ - sigset_t fudged_set; - - INIT_REAL_SYMS(); - if (set != NULL && (how == SIG_BLOCK || how == SIG_SETMASK)) { - fudged_set = *set; - sigdelset(&fudged_set, SIG_SUSPEND); - set = &fudged_set; - } - return(REAL_FUNC(pthread_sigmask)(how, set, oset)); -} -#endif /* !GC_DARWIN_THREADS */ - -/* Wrapper for functions that are likely to block for an appreciable */ -/* length of time. */ - -struct blocking_data { - void (*fn)(void *); - void *arg; -}; - -static void GC_do_blocking_inner(ptr_t data, void * context) { - struct blocking_data * d = (struct blocking_data *) data; - GC_thread me; - LOCK(); - me = GC_lookup_thread(pthread_self()); - GC_ASSERT(!(me -> thread_blocked)); -# ifdef SPARC - me -> stop_info.stack_ptr = GC_save_regs_in_stack(); -# elif !defined(GC_DARWIN_THREADS) - me -> stop_info.stack_ptr = GC_approx_sp(); -# endif -# ifdef IA64 - me -> backing_store_ptr = GC_save_regs_in_stack(); -# endif - me -> thread_blocked = TRUE; - /* Save context here if we want to support precise stack marking */ - UNLOCK(); - (d -> fn)(d -> arg); - LOCK(); /* This will block if the world is stopped. */ - me -> thread_blocked = FALSE; - UNLOCK(); -} - -void GC_do_blocking(void (*fn)(void *), void *arg) { - struct blocking_data my_data; - - my_data.fn = fn; - my_data.arg = arg; - GC_with_callee_saves_pushed(GC_do_blocking_inner, (ptr_t)(&my_data)); -} - -struct start_info { - void *(*start_routine)(void *); - void *arg; - word flags; - sem_t registered; /* 1 ==> in our thread table, but */ - /* parent hasn't yet noticed. */ -}; - -int GC_unregister_my_thread(void) -{ - GC_thread me; - - LOCK(); - /* Wait for any GC that may be marking from our stack to */ - /* complete before we remove this thread. */ - GC_wait_for_gc_completion(FALSE); - me = GC_lookup_thread(pthread_self()); -# if defined(THREAD_LOCAL_ALLOC) - GC_destroy_thread_local(&(me->tlfs)); -# endif - if (me -> flags & DETACHED) { - GC_delete_thread(pthread_self()); - } else { - me -> flags |= FINISHED; - } -# if defined(THREAD_LOCAL_ALLOC) - GC_remove_specific(GC_thread_key); -# endif - UNLOCK(); - return GC_SUCCESS; -} - -/* Called at thread exit. */ -/* Never called for main thread. That's OK, since it */ -/* results in at most a tiny one-time leak. And */ -/* linuxthreads doesn't reclaim the main threads */ -/* resources or id anyway. */ -void GC_thread_exit_proc(void *arg) -{ - GC_unregister_my_thread(); -} - -int WRAP_FUNC(pthread_join)(pthread_t thread, void **retval) -{ - int result; - GC_thread thread_gc_id; - - INIT_REAL_SYMS(); - LOCK(); - thread_gc_id = GC_lookup_thread(thread); - /* This is guaranteed to be the intended one, since the thread id */ - /* cant have been recycled by pthreads. */ - UNLOCK(); - result = REAL_FUNC(pthread_join)(thread, retval); -# if defined (GC_FREEBSD_THREADS) - /* On FreeBSD, the wrapped pthread_join() sometimes returns (what - appears to be) a spurious EINTR which caused the test and real code - to gratuitously fail. Having looked at system pthread library source - code, I see how this return code may be generated. In one path of - code, pthread_join() just returns the errno setting of the thread - being joined. This does not match the POSIX specification or the - local man pages thus I have taken the liberty to catch this one - spurious return value properly conditionalized on GC_FREEBSD_THREADS. */ - if (result == EINTR) result = 0; -# endif - if (result == 0) { - LOCK(); - /* Here the pthread thread id may have been recycled. */ - GC_delete_gc_thread(thread_gc_id); - UNLOCK(); - } - return result; -} - -int -WRAP_FUNC(pthread_detach)(pthread_t thread) -{ - int result; - GC_thread thread_gc_id; - - INIT_REAL_SYMS(); - LOCK(); - thread_gc_id = GC_lookup_thread(thread); - UNLOCK(); - result = REAL_FUNC(pthread_detach)(thread); - if (result == 0) { - LOCK(); - thread_gc_id -> flags |= DETACHED; - /* Here the pthread thread id may have been recycled. */ - if (thread_gc_id -> flags & FINISHED) { - GC_delete_gc_thread(thread_gc_id); - } - UNLOCK(); - } - return result; -} - -GC_bool GC_in_thread_creation = FALSE; /* Protected by allocation lock. */ - -GC_thread GC_register_my_thread_inner(struct GC_stack_base *sb, - pthread_t my_pthread) -{ - GC_thread me; - - GC_in_thread_creation = TRUE; /* OK to collect from unknown thread. */ - me = GC_new_thread(my_pthread); - GC_in_thread_creation = FALSE; -# ifdef GC_DARWIN_THREADS - me -> stop_info.mach_thread = mach_thread_self(); -# else - me -> stop_info.stack_ptr = sb -> mem_base; -# endif - me -> stack_end = sb -> mem_base; -# ifdef IA64 - me -> backing_store_end = sb -> reg_base; -# endif /* IA64 */ - return me; -} - -int GC_register_my_thread(struct GC_stack_base *sb) -{ - pthread_t my_pthread = pthread_self(); - GC_thread me; - - LOCK(); - me = GC_lookup_thread(my_pthread); - if (0 == me) { - me = GC_register_my_thread_inner(sb, my_pthread); - me -> flags |= DETACHED; - /* Treat as detached, since we do not need to worry about */ - /* pointer results. */ - UNLOCK(); - return GC_SUCCESS; - } else { - UNLOCK(); - return GC_DUPLICATE; - } -} - -void * GC_inner_start_routine(struct GC_stack_base *sb, void * arg) -{ - struct start_info * si = arg; - void * result; - GC_thread me; - pthread_t my_pthread; - void *(*start)(void *); - void *start_arg; - - my_pthread = pthread_self(); -# ifdef DEBUG_THREADS - GC_printf("Starting thread 0x%x\n", (unsigned)my_pthread); - GC_printf("pid = %ld\n", (long) getpid()); - GC_printf("sp = 0x%lx\n", (long) &arg); -# endif - LOCK(); - me = GC_register_my_thread_inner(sb, my_pthread); - me -> flags = si -> flags; - UNLOCK(); - start = si -> start_routine; -# ifdef DEBUG_THREADS - GC_printf("start_routine = %p\n", (void *)start); -# endif - start_arg = si -> arg; - sem_post(&(si -> registered)); /* Last action on si. */ - /* OK to deallocate. */ - pthread_cleanup_push(GC_thread_exit_proc, 0); -# if defined(THREAD_LOCAL_ALLOC) - LOCK(); - GC_init_thread_local(&(me->tlfs)); - UNLOCK(); -# endif - result = (*start)(start_arg); -# if DEBUG_THREADS - GC_printf("Finishing thread 0x%x\n", (unsigned)pthread_self()); -# endif - me -> status = result; - pthread_cleanup_pop(1); - /* Cleanup acquires lock, ensuring that we can't exit */ - /* while a collection that thinks we're alive is trying to stop */ - /* us. */ - return(result); -} - -void * GC_start_routine(void * arg) -{ -# ifdef INCLUDE_LINUX_THREAD_DESCR - struct GC_stack_base sb; - -# ifdef REDIRECT_MALLOC - /* GC_get_stack_base may call pthread_getattr_np, which can */ - /* unfortunately call realloc, which may allocate from an */ - /* unregistered thread. This is unpleasant, since it might */ - /* force heap growth. */ - GC_disable(); -# endif - if (GC_get_stack_base(&sb) != GC_SUCCESS) - ABORT("Failed to get thread stack base."); -# ifdef REDIRECT_MALLOC - GC_enable(); -# endif - return GC_inner_start_routine(&sb, arg); -# else - return GC_call_with_stack_base(GC_inner_start_routine, arg); -# endif -} - -int -WRAP_FUNC(pthread_create)(pthread_t *new_thread, - const pthread_attr_t *attr, - void *(*start_routine)(void *), void *arg) -{ - int result; - int detachstate; - word my_flags = 0; - struct start_info * si; - /* This is otherwise saved only in an area mmapped by the thread */ - /* library, which isn't visible to the collector. */ - - /* We resist the temptation to muck with the stack size here, */ - /* even if the default is unreasonably small. That's the client's */ - /* responsibility. */ - - INIT_REAL_SYMS(); - LOCK(); - si = (struct start_info *)GC_INTERNAL_MALLOC(sizeof(struct start_info), - NORMAL); - UNLOCK(); - if (!parallel_initialized) GC_init_parallel(); - if (0 == si) return(ENOMEM); - sem_init(&(si -> registered), 0, 0); - si -> start_routine = start_routine; - si -> arg = arg; - LOCK(); - if (!GC_thr_initialized) GC_thr_init(); -# ifdef GC_ASSERTIONS - { - size_t stack_size = 0; - if (NULL != attr) { - pthread_attr_getstacksize(attr, &stack_size); - } - if (0 == stack_size) { - pthread_attr_t my_attr; - pthread_attr_init(&my_attr); - pthread_attr_getstacksize(&my_attr, &stack_size); - } - /* On Solaris 10, with default attr initialization, */ - /* stack_size remains 0. Fudge it. */ - if (0 == stack_size) { -# ifndef SOLARIS - WARN("Failed to get stack size for assertion checking\n", 0); -# endif - stack_size = 1000000; - } -# ifdef PARALLEL_MARK - GC_ASSERT(stack_size >= (8*HBLKSIZE*sizeof(word))); -# else - /* FreeBSD-5.3/Alpha: default pthread stack is 64K, */ - /* HBLKSIZE=8192, sizeof(word)=8 */ - GC_ASSERT(stack_size >= 65536); -# endif - /* Our threads may need to do some work for the GC. */ - /* Ridiculously small threads won't work, and they */ - /* probably wouldn't work anyway. */ - } -# endif - if (NULL == attr) { - detachstate = PTHREAD_CREATE_JOINABLE; - } else { - pthread_attr_getdetachstate(attr, &detachstate); - } - if (PTHREAD_CREATE_DETACHED == detachstate) my_flags |= DETACHED; - si -> flags = my_flags; - UNLOCK(); -# ifdef DEBUG_THREADS - GC_printf("About to start new thread from thread 0x%x\n", - (unsigned)pthread_self()); -# endif - GC_need_to_lock = TRUE; - - result = REAL_FUNC(pthread_create)(new_thread, attr, GC_start_routine, si); - -# ifdef DEBUG_THREADS - GC_printf("Started thread 0x%x\n", (unsigned)(*new_thread)); -# endif - /* Wait until child has been added to the thread table. */ - /* This also ensures that we hold onto si until the child is done */ - /* with it. Thus it doesn't matter whether it is otherwise */ - /* visible to the collector. */ - if (0 == result) { - while (0 != sem_wait(&(si -> registered))) { - if (EINTR != errno) ABORT("sem_wait failed"); - } - } - sem_destroy(&(si -> registered)); - LOCK(); - GC_INTERNAL_FREE(si); - UNLOCK(); - - return(result); -} - -/* Spend a few cycles in a way that can't introduce contention with */ -/* othre threads. */ -void GC_pause(void) -{ - int i; -# if !defined(__GNUC__) || defined(__INTEL_COMPILER) - volatile word dummy = 0; -# endif - - for (i = 0; i < 10; ++i) { -# if defined(__GNUC__) && !defined(__INTEL_COMPILER) - __asm__ __volatile__ (" " : : : "memory"); -# else - /* Something that's unlikely to be optimized away. */ - GC_noop(++dummy); -# endif - } -} - -#define SPIN_MAX 128 /* Maximum number of calls to GC_pause before */ - /* give up. */ - -volatile GC_bool GC_collecting = 0; - /* A hint that we're in the collector and */ - /* holding the allocation lock for an */ - /* extended period. */ - -#if !defined(USE_SPIN_LOCK) || defined(PARALLEL_MARK) -/* If we don't want to use the below spinlock implementation, either */ -/* because we don't have a GC_test_and_set implementation, or because */ -/* we don't want to risk sleeping, we can still try spinning on */ -/* pthread_mutex_trylock for a while. This appears to be very */ -/* beneficial in many cases. */ -/* I suspect that under high contention this is nearly always better */ -/* than the spin lock. But it's a bit slower on a uniprocessor. */ -/* Hence we still default to the spin lock. */ -/* This is also used to acquire the mark lock for the parallel */ -/* marker. */ - -/* Here we use a strict exponential backoff scheme. I don't know */ -/* whether that's better or worse than the above. We eventually */ -/* yield by calling pthread_mutex_lock(); it never makes sense to */ -/* explicitly sleep. */ - -#define LOCK_STATS -#ifdef LOCK_STATS - unsigned long GC_spin_count = 0; - unsigned long GC_block_count = 0; - unsigned long GC_unlocked_count = 0; -#endif - -void GC_generic_lock(pthread_mutex_t * lock) -{ -#ifndef NO_PTHREAD_TRYLOCK - unsigned pause_length = 1; - unsigned i; - - if (0 == pthread_mutex_trylock(lock)) { -# ifdef LOCK_STATS - ++GC_unlocked_count; -# endif - return; - } - for (; pause_length <= SPIN_MAX; pause_length <<= 1) { - for (i = 0; i < pause_length; ++i) { - GC_pause(); - } - switch(pthread_mutex_trylock(lock)) { - case 0: -# ifdef LOCK_STATS - ++GC_spin_count; -# endif - return; - case EBUSY: - break; - default: - ABORT("Unexpected error from pthread_mutex_trylock"); - } - } -#endif /* !NO_PTHREAD_TRYLOCK */ -# ifdef LOCK_STATS - ++GC_block_count; -# endif - pthread_mutex_lock(lock); -} - -#endif /* !USE_SPIN_LOCK || PARALLEL_MARK */ - -#if defined(USE_SPIN_LOCK) - -/* Reasonably fast spin locks. Basically the same implementation */ -/* as STL alloc.h. This isn't really the right way to do this. */ -/* but until the POSIX scheduling mess gets straightened out ... */ - -volatile AO_TS_t GC_allocate_lock = 0; - - -void GC_lock(void) -{ -# define low_spin_max 30 /* spin cycles if we suspect uniprocessor */ -# define high_spin_max SPIN_MAX /* spin cycles for multiprocessor */ - static unsigned spin_max = low_spin_max; - unsigned my_spin_max; - static unsigned last_spins = 0; - unsigned my_last_spins; - int i; - - if (AO_test_and_set_acquire(&GC_allocate_lock) == AO_TS_CLEAR) { - return; - } - my_spin_max = spin_max; - my_last_spins = last_spins; - for (i = 0; i < my_spin_max; i++) { - if (GC_collecting || GC_nprocs == 1) goto yield; - if (i < my_last_spins/2) { - GC_pause(); - continue; - } - if (AO_test_and_set_acquire(&GC_allocate_lock) == AO_TS_CLEAR) { - /* - * got it! - * Spinning worked. Thus we're probably not being scheduled - * against the other process with which we were contending. - * Thus it makes sense to spin longer the next time. - */ - last_spins = i; - spin_max = high_spin_max; - return; - } - } - /* We are probably being scheduled against the other process. Sleep. */ - spin_max = low_spin_max; -yield: - for (i = 0;; ++i) { - if (AO_test_and_set_acquire(&GC_allocate_lock) == AO_TS_CLEAR) { - return; - } -# define SLEEP_THRESHOLD 12 - /* Under Linux very short sleeps tend to wait until */ - /* the current time quantum expires. On old Linux */ - /* kernels nanosleep(<= 2ms) just spins under Linux. */ - /* (Under 2.4, this happens only for real-time */ - /* processes.) We want to minimize both behaviors */ - /* here. */ - if (i < SLEEP_THRESHOLD) { - sched_yield(); - } else { - struct timespec ts; - - if (i > 24) i = 24; - /* Don't wait for more than about 15msecs, even */ - /* under extreme contention. */ - ts.tv_sec = 0; - ts.tv_nsec = 1 << i; - nanosleep(&ts, 0); - } - } -} - -#else /* !USE_SPINLOCK */ -void GC_lock(void) -{ -#ifndef NO_PTHREAD_TRYLOCK - if (1 == GC_nprocs || GC_collecting) { - pthread_mutex_lock(&GC_allocate_ml); - } else { - GC_generic_lock(&GC_allocate_ml); - } -#else /* !NO_PTHREAD_TRYLOCK */ - pthread_mutex_lock(&GC_allocate_ml); -#endif /* !NO_PTHREAD_TRYLOCK */ -} - -#endif /* !USE_SPINLOCK */ - -#if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - -#ifdef GC_ASSERTIONS - unsigned long GC_mark_lock_holder = NO_THREAD; -#endif - -#if 0 - /* Ugly workaround for a linux threads bug in the final versions */ - /* of glibc2.1. Pthread_mutex_trylock sets the mutex owner */ - /* field even when it fails to acquire the mutex. This causes */ - /* pthread_cond_wait to die. Remove for glibc2.2. */ - /* According to the man page, we should use */ - /* PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP, but that isn't actually */ - /* defined. */ - static pthread_mutex_t mark_mutex = - {0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, {0, 0}}; -#else - static pthread_mutex_t mark_mutex = PTHREAD_MUTEX_INITIALIZER; -#endif - -static pthread_cond_t builder_cv = PTHREAD_COND_INITIALIZER; - -void GC_acquire_mark_lock(void) -{ -/* - if (pthread_mutex_lock(&mark_mutex) != 0) { - ABORT("pthread_mutex_lock failed"); - } -*/ - GC_generic_lock(&mark_mutex); -# ifdef GC_ASSERTIONS - GC_mark_lock_holder = NUMERIC_THREAD_ID(pthread_self()); -# endif -} - -void GC_release_mark_lock(void) -{ - GC_ASSERT(GC_mark_lock_holder == NUMERIC_THREAD_ID(pthread_self())); -# ifdef GC_ASSERTIONS - GC_mark_lock_holder = NO_THREAD; -# endif - if (pthread_mutex_unlock(&mark_mutex) != 0) { - ABORT("pthread_mutex_unlock failed"); - } -} - -/* Collector must wait for a freelist builders for 2 reasons: */ -/* 1) Mark bits may still be getting examined without lock. */ -/* 2) Partial free lists referenced only by locals may not be scanned */ -/* correctly, e.g. if they contain "pointer-free" objects, since the */ -/* free-list link may be ignored. */ -void GC_wait_builder(void) -{ - GC_ASSERT(GC_mark_lock_holder == NUMERIC_THREAD_ID(pthread_self())); -# ifdef GC_ASSERTIONS - GC_mark_lock_holder = NO_THREAD; -# endif - if (pthread_cond_wait(&builder_cv, &mark_mutex) != 0) { - ABORT("pthread_cond_wait failed"); - } - GC_ASSERT(GC_mark_lock_holder == NO_THREAD); -# ifdef GC_ASSERTIONS - GC_mark_lock_holder = NUMERIC_THREAD_ID(pthread_self()); -# endif -} - -void GC_wait_for_reclaim(void) -{ - GC_acquire_mark_lock(); - while (GC_fl_builder_count > 0) { - GC_wait_builder(); - } - GC_release_mark_lock(); -} - -void GC_notify_all_builder(void) -{ - GC_ASSERT(GC_mark_lock_holder == NUMERIC_THREAD_ID(pthread_self())); - if (pthread_cond_broadcast(&builder_cv) != 0) { - ABORT("pthread_cond_broadcast failed"); - } -} - -#endif /* PARALLEL_MARK || THREAD_LOCAL_ALLOC */ - -#ifdef PARALLEL_MARK - -static pthread_cond_t mark_cv = PTHREAD_COND_INITIALIZER; - -void GC_wait_marker(void) -{ - GC_ASSERT(GC_mark_lock_holder == NUMERIC_THREAD_ID(pthread_self())); -# ifdef GC_ASSERTIONS - GC_mark_lock_holder = NO_THREAD; -# endif - if (pthread_cond_wait(&mark_cv, &mark_mutex) != 0) { - ABORT("pthread_cond_wait failed"); - } - GC_ASSERT(GC_mark_lock_holder == NO_THREAD); -# ifdef GC_ASSERTIONS - GC_mark_lock_holder = NUMERIC_THREAD_ID(pthread_self()); -# endif -} - -void GC_notify_all_marker(void) -{ - if (pthread_cond_broadcast(&mark_cv) != 0) { - ABORT("pthread_cond_broadcast failed"); - } -} - -#endif /* PARALLEL_MARK */ - -# endif /* GC_LINUX_THREADS and friends */ - diff --git a/vendor/gc/ptr_chck.c b/vendor/gc/ptr_chck.c deleted file mode 100644 index d04d2da..0000000 --- a/vendor/gc/ptr_chck.c +++ /dev/null @@ -1,283 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* - * These are checking routines calls to which could be inserted by a - * preprocessor to validate C pointer arithmetic. - */ - -#include "private/gc_pmark.h" - -void GC_default_same_obj_print_proc(void * p, void * q) -{ - GC_err_printf("%p and %p are not in the same object\n", p, q); - ABORT("GC_same_obj test failed"); -} - -void (*GC_same_obj_print_proc) (void *, void *) - = GC_default_same_obj_print_proc; - -/* Check that p and q point to the same object. Call */ -/* *GC_same_obj_print_proc if they don't. */ -/* Returns the first argument. (Return value may be hard */ -/* to use,due to typing issues. But if we had a suitable */ -/* preprocessor ...) */ -/* Succeeds if neither p nor q points to the heap. */ -/* We assume this is performance critical. (It shouldn't */ -/* be called by production code, but this can easily make */ -/* debugging intolerably slow.) */ -void * GC_same_obj(void *p, void *q) -{ - struct hblk *h; - hdr *hhdr; - ptr_t base, limit; - word sz; - - if (!GC_is_initialized) GC_init(); - hhdr = HDR((word)p); - if (hhdr == 0) { - if (divHBLKSZ((word)p) != divHBLKSZ((word)q) - && HDR((word)q) != 0) { - goto fail; - } - return(p); - } - /* If it's a pointer to the middle of a large object, move it */ - /* to the beginning. */ - if (IS_FORWARDING_ADDR_OR_NIL(hhdr)) { - h = HBLKPTR(p) - (word)hhdr; - hhdr = HDR(h); - while (IS_FORWARDING_ADDR_OR_NIL(hhdr)) { - h = FORWARDED_ADDR(h, hhdr); - hhdr = HDR(h); - } - limit = (ptr_t)h + hhdr -> hb_sz; - if ((ptr_t)p >= limit || (ptr_t)q >= limit || (ptr_t)q < (ptr_t)h ) { - goto fail; - } - return(p); - } - sz = hhdr -> hb_sz; - if (sz > MAXOBJBYTES) { - base = (ptr_t)HBLKPTR(p); - limit = base + sz; - if ((ptr_t)p >= limit) { - goto fail; - } - } else { - size_t offset; - size_t pdispl = HBLKDISPL(p); - - offset = pdispl % sz; - if (HBLKPTR(p) != HBLKPTR(q)) goto fail; - /* W/o this check, we might miss an error if */ - /* q points to the first object on a page, and */ - /* points just before the page. */ - base = (ptr_t)p - offset; - limit = base + sz; - } - /* [base, limit) delimits the object containing p, if any. */ - /* If p is not inside a valid object, then either q is */ - /* also outside any valid object, or it is outside */ - /* [base, limit). */ - if ((ptr_t)q >= limit || (ptr_t)q < base) { - goto fail; - } - return(p); -fail: - (*GC_same_obj_print_proc)((ptr_t)p, (ptr_t)q); - return(p); -} - -void GC_default_is_valid_displacement_print_proc (void *p) -{ - GC_err_printf("%p does not point to valid object displacement\n", p); - ABORT("GC_is_valid_displacement test failed"); -} - -void (*GC_is_valid_displacement_print_proc)(void *) = - GC_default_is_valid_displacement_print_proc; - -/* Check that if p is a pointer to a heap page, then it points to */ -/* a valid displacement within a heap object. */ -/* Uninteresting with GC_all_interior_pointers. */ -/* Always returns its argument. */ -/* Note that we don't lock, since nothing relevant about the header */ -/* should change while we have a valid object pointer to the block. */ -void * GC_is_valid_displacement(void *p) -{ - hdr *hhdr; - word pdispl; - word offset; - struct hblk *h; - word sz; - - if (!GC_is_initialized) GC_init(); - hhdr = HDR((word)p); - if (hhdr == 0) return(p); - h = HBLKPTR(p); - if (GC_all_interior_pointers) { - while (IS_FORWARDING_ADDR_OR_NIL(hhdr)) { - h = FORWARDED_ADDR(h, hhdr); - hhdr = HDR(h); - } - } - if (IS_FORWARDING_ADDR_OR_NIL(hhdr)) { - goto fail; - } - sz = hhdr -> hb_sz; - pdispl = HBLKDISPL(p); - offset = pdispl % sz; - if ((sz > MAXOBJBYTES && (ptr_t)p >= (ptr_t)h + sz) - || !GC_valid_offsets[offset] - || (ptr_t)p - offset + sz > (ptr_t)(h + 1)) { - goto fail; - } - return(p); -fail: - (*GC_is_valid_displacement_print_proc)((ptr_t)p); - return(p); -} - -void GC_default_is_visible_print_proc(void * p) -{ - GC_err_printf("%p is not a GC visible pointer location\n", p); - ABORT("GC_is_visible test failed"); -} - -void (*GC_is_visible_print_proc)(void * p) = GC_default_is_visible_print_proc; - -/* Could p be a stack address? */ -GC_bool GC_on_stack(ptr_t p) -{ -# ifdef THREADS - return(TRUE); -# else - int dummy; -# ifdef STACK_GROWS_DOWN - if ((ptr_t)p >= (ptr_t)(&dummy) && (ptr_t)p < GC_stackbottom ) { - return(TRUE); - } -# else - if ((ptr_t)p <= (ptr_t)(&dummy) && (ptr_t)p > GC_stackbottom ) { - return(TRUE); - } -# endif - return(FALSE); -# endif -} - -/* Check that p is visible */ -/* to the collector as a possibly pointer containing location. */ -/* If it isn't invoke *GC_is_visible_print_proc. */ -/* Returns the argument in all cases. May erroneously succeed */ -/* in hard cases. (This is intended for debugging use with */ -/* untyped allocations. The idea is that it should be possible, though */ -/* slow, to add such a call to all indirect pointer stores.) */ -/* Currently useless for multithreaded worlds. */ -void * GC_is_visible(void *p) -{ - hdr *hhdr; - - if ((word)p & (ALIGNMENT - 1)) goto fail; - if (!GC_is_initialized) GC_init(); -# ifdef THREADS - hhdr = HDR((word)p); - if (hhdr != 0 && GC_base(p) == 0) { - goto fail; - } else { - /* May be inside thread stack. We can't do much. */ - return(p); - } -# else - /* Check stack first: */ - if (GC_on_stack(p)) return(p); - hhdr = HDR((word)p); - if (hhdr == 0) { - GC_bool result; - - if (GC_is_static_root(p)) return(p); - /* Else do it again correctly: */ -# if (defined(DYNAMIC_LOADING) || defined(MSWIN32) || \ - defined(MSWINCE) || defined(PCR)) - GC_register_dynamic_libraries(); - result = GC_is_static_root(p); - if (result) return(p); -# endif - goto fail; - } else { - /* p points to the heap. */ - word descr; - ptr_t base = GC_base(p); /* Should be manually inlined? */ - - if (base == 0) goto fail; - if (HBLKPTR(base) != HBLKPTR(p)) hhdr = HDR((word)p); - descr = hhdr -> hb_descr; - retry: - switch(descr & GC_DS_TAGS) { - case GC_DS_LENGTH: - if ((word)((ptr_t)p - (ptr_t)base) > (word)descr) goto fail; - break; - case GC_DS_BITMAP: - if ((ptr_t)p - (ptr_t)base - >= WORDS_TO_BYTES(BITMAP_BITS) - || ((word)p & (sizeof(word) - 1))) goto fail; - if (!((1 << (WORDSZ - ((ptr_t)p - (ptr_t)base) - 1)) - & descr)) goto fail; - break; - case GC_DS_PROC: - /* We could try to decipher this partially. */ - /* For now we just punt. */ - break; - case GC_DS_PER_OBJECT: - if ((signed_word)descr >= 0) { - descr = *(word *)((ptr_t)base + (descr & ~GC_DS_TAGS)); - } else { - ptr_t type_descr = *(ptr_t *)base; - descr = *(word *)(type_descr - - (descr - (GC_DS_PER_OBJECT - - GC_INDIR_PER_OBJ_BIAS))); - } - goto retry; - } - return(p); - } -# endif -fail: - (*GC_is_visible_print_proc)((ptr_t)p); - return(p); -} - - -void * GC_pre_incr (void **p, size_t how_much) -{ - void * initial = *p; - void * result = GC_same_obj((void *)((word)initial + how_much), initial); - - if (!GC_all_interior_pointers) { - (void) GC_is_valid_displacement(result); - } - return (*p = result); -} - -void * GC_post_incr (void **p, size_t how_much) -{ - void * initial = *p; - void * result = GC_same_obj((void *)((word)initial + how_much), initial); - - if (!GC_all_interior_pointers) { - (void) GC_is_valid_displacement(result); - } - *p = result; - return(initial); -} diff --git a/vendor/gc/real_malloc.c b/vendor/gc/real_malloc.c deleted file mode 100644 index 85befdc..0000000 --- a/vendor/gc/real_malloc.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, May 19, 1994 2:04 pm PDT */ - - -# ifdef PCR -/* - * This definition should go in its own file that includes no other - * header files. Otherwise, we risk not getting the underlying system - * malloc. - */ -# define PCR_NO_RENAME -# include - -void * real_malloc(size_t size) -{ - return(malloc(size)); -} -#endif /* PCR */ - diff --git a/vendor/gc/reclaim.c b/vendor/gc/reclaim.c deleted file mode 100644 index 43fdf70..0000000 --- a/vendor/gc/reclaim.c +++ /dev/null @@ -1,610 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1996 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -#include -#include "private/gc_priv.h" - -signed_word GC_bytes_found = 0; - /* Number of bytes of memory reclaimed */ - /* minus the number of bytes originally */ - /* on free lists which we had to drop. */ - -#if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - word GC_fl_builder_count = 0; - /* Number of threads currently building free lists without */ - /* holding GC lock. It is not safe to collect if this is */ - /* nonzero. */ -#endif /* PARALLEL_MARK */ - -/* We defer printing of leaked objects until we're done with the GC */ -/* cycle, since the routine for printing objects needs to run outside */ -/* the collector, e.g. without the allocation lock. */ -#define MAX_LEAKED 40 -ptr_t GC_leaked[MAX_LEAKED]; -unsigned GC_n_leaked = 0; - -GC_bool GC_have_errors = FALSE; - -void GC_add_leaked(ptr_t leaked) -{ - if (GC_n_leaked < MAX_LEAKED) { - GC_have_errors = TRUE; - GC_leaked[GC_n_leaked++] = leaked; - /* Make sure it's not reclaimed this cycle */ - GC_set_mark_bit(leaked); - } -} - -static GC_bool printing_errors = FALSE; -/* Print all objects on the list after printing any smashed objs. */ -/* Clear both lists. */ -void GC_print_all_errors () -{ - unsigned i; - - LOCK(); - if (printing_errors) { - UNLOCK(); - return; - } - printing_errors = TRUE; - UNLOCK(); - if (GC_debugging_started) GC_print_all_smashed(); - for (i = 0; i < GC_n_leaked; ++i) { - ptr_t p = GC_leaked[i]; - if (HDR(p) -> hb_obj_kind == PTRFREE) { - GC_err_printf("Leaked atomic object at "); - } else { - GC_err_printf("Leaked composite object at "); - } - GC_print_heap_obj(p); - GC_err_printf("\n"); - GC_free(p); - GC_leaked[i] = 0; - } - GC_n_leaked = 0; - printing_errors = FALSE; -} - - -/* - * reclaim phase - * - */ - - -/* - * Test whether a block is completely empty, i.e. contains no marked - * objects. This does not require the block to be in physical - * memory. - */ - -GC_bool GC_block_empty(hdr *hhdr) -{ - return (hhdr -> hb_n_marks == 0); -} - -GC_bool GC_block_nearly_full(hdr *hhdr) -{ - return (hhdr -> hb_n_marks > 7 * HBLK_OBJS(hhdr -> hb_sz)/8); -} - -/* FIXME: This should perhaps again be specialized for USE_MARK_BYTES */ -/* and USE_MARK_BITS cases. */ - -/* - * Restore unmarked small objects in h of size sz to the object - * free list. Returns the new list. - * Clears unmarked objects. Sz is in bytes. - */ -/*ARGSUSED*/ -ptr_t GC_reclaim_clear(struct hblk *hbp, hdr *hhdr, size_t sz, - ptr_t list, signed_word *count) -{ - word bit_no = 0; - word *p, *q, *plim; - signed_word n_bytes_found = 0; - - GC_ASSERT(hhdr == GC_find_header((ptr_t)hbp)); - GC_ASSERT(sz == hhdr -> hb_sz); - GC_ASSERT((sz & (BYTES_PER_WORD-1)) == 0); - p = (word *)(hbp->hb_body); - plim = (word *)(hbp->hb_body + HBLKSIZE - sz); - - /* go through all words in block */ - while( p <= plim ) { - if( mark_bit_from_hdr(hhdr, bit_no) ) { - p = (word *)((ptr_t)p + sz); - } else { - n_bytes_found += sz; - /* object is available - put on list */ - obj_link(p) = list; - list = ((ptr_t)p); - /* Clear object, advance p to next object in the process */ - q = (word *)((ptr_t)p + sz); -# ifdef USE_MARK_BYTES - GC_ASSERT(!(sz & 1) - && !((word)p & (2 * sizeof(word) - 1))); - p[1] = 0; - p += 2; - while (p < q) { - CLEAR_DOUBLE(p); - p += 2; - } -# else - p++; /* Skip link field */ - while (p < q) { - *p++ = 0; - } -# endif - } - bit_no += MARK_BIT_OFFSET(sz); - } - *count += n_bytes_found; - return(list); -} - -/* The same thing, but don't clear objects: */ -/*ARGSUSED*/ -ptr_t GC_reclaim_uninit(struct hblk *hbp, hdr *hhdr, size_t sz, - ptr_t list, signed_word *count) -{ - word bit_no = 0; - word *p, *plim; - signed_word n_bytes_found = 0; - - GC_ASSERT(sz == hhdr -> hb_sz); - p = (word *)(hbp->hb_body); - plim = (word *)((ptr_t)hbp + HBLKSIZE - sz); - - /* go through all words in block */ - while( p <= plim ) { - if( !mark_bit_from_hdr(hhdr, bit_no) ) { - n_bytes_found += sz; - /* object is available - put on list */ - obj_link(p) = list; - list = ((ptr_t)p); - } - p = (word *)((ptr_t)p + sz); - bit_no += MARK_BIT_OFFSET(sz); - } - *count += n_bytes_found; - return(list); -} - -/* Don't really reclaim objects, just check for unmarked ones: */ -/*ARGSUSED*/ -void GC_reclaim_check(struct hblk *hbp, hdr *hhdr, word sz) -{ - word bit_no = 0; - ptr_t p, plim; - - GC_ASSERT(sz == hhdr -> hb_sz); - p = hbp->hb_body; - plim = p + HBLKSIZE - sz; - - /* go through all words in block */ - while( p <= plim ) { - if( !mark_bit_from_hdr(hhdr, bit_no) ) { - GC_add_leaked(p); - } - p += sz; - bit_no += MARK_BIT_OFFSET(sz); - } -} - - -/* - * Generic procedure to rebuild a free list in hbp. - * Also called directly from GC_malloc_many. - * Sz is now in bytes. - */ -ptr_t GC_reclaim_generic(struct hblk * hbp, hdr *hhdr, size_t sz, - GC_bool init, ptr_t list, signed_word *count) -{ - ptr_t result = list; - - GC_ASSERT(GC_find_header((ptr_t)hbp) == hhdr); - GC_remove_protection(hbp, 1, (hhdr)->hb_descr == 0 /* Pointer-free? */); - if (init) { - result = GC_reclaim_clear(hbp, hhdr, sz, list, count); - } else { - GC_ASSERT((hhdr)->hb_descr == 0 /* Pointer-free block */); - result = GC_reclaim_uninit(hbp, hhdr, sz, list, count); - } - if (IS_UNCOLLECTABLE(hhdr -> hb_obj_kind)) GC_set_hdr_marks(hhdr); - return result; -} - -/* - * Restore unmarked small objects in the block pointed to by hbp - * to the appropriate object free list. - * If entirely empty blocks are to be completely deallocated, then - * caller should perform that check. - */ -void GC_reclaim_small_nonempty_block(struct hblk *hbp, - int report_if_found, signed_word *count) -{ - hdr *hhdr = HDR(hbp); - size_t sz = hhdr -> hb_sz; - int kind = hhdr -> hb_obj_kind; - struct obj_kind * ok = &GC_obj_kinds[kind]; - void **flh = &(ok -> ok_freelist[BYTES_TO_GRANULES(sz)]); - - hhdr -> hb_last_reclaimed = (unsigned short) GC_gc_no; - - if (report_if_found) { - GC_reclaim_check(hbp, hhdr, sz); - } else { - *flh = GC_reclaim_generic(hbp, hhdr, sz, - (ok -> ok_init || GC_debugging_started), - *flh, &GC_bytes_found); - } -} - -/* - * Restore an unmarked large object or an entirely empty blocks of small objects - * to the heap block free list. - * Otherwise enqueue the block for later processing - * by GC_reclaim_small_nonempty_block. - * If report_if_found is TRUE, then process any block immediately, and - * simply report free objects; do not actually reclaim them. - */ -void GC_reclaim_block(struct hblk *hbp, word report_if_found) -{ - hdr * hhdr = HDR(hbp); - size_t sz = hhdr -> hb_sz; /* size of objects in current block */ - struct obj_kind * ok = &GC_obj_kinds[hhdr -> hb_obj_kind]; - struct hblk ** rlh; - - if( sz > MAXOBJBYTES ) { /* 1 big object */ - if( !mark_bit_from_hdr(hhdr, 0) ) { - if (report_if_found) { - GC_add_leaked((ptr_t)hbp); - } else { - size_t blocks = OBJ_SZ_TO_BLOCKS(sz); - if (blocks > 1) { - GC_large_allocd_bytes -= blocks * HBLKSIZE; - } - GC_bytes_found += sz; - GC_freehblk(hbp); - } - } else { - if (hhdr -> hb_descr != 0) { - GC_composite_in_use += sz; - } else { - GC_atomic_in_use += sz; - } - } - } else { - GC_bool empty = GC_block_empty(hhdr); -# ifdef PARALLEL_MARK - /* Count can be low or one too high because we sometimes */ - /* have to ignore decrements. Objects can also potentially */ - /* be repeatedly marked by each marker. */ - /* Here we assume two markers, but this is extremely */ - /* unlikely to fail spuriously with more. And if it does, it */ - /* should be looked at. */ - GC_ASSERT(hhdr -> hb_n_marks <= 2 * (HBLKSIZE/sz + 1) + 16); -# else - GC_ASSERT(sz * hhdr -> hb_n_marks <= HBLKSIZE); -# endif - if (hhdr -> hb_descr != 0) { - GC_composite_in_use += sz * hhdr -> hb_n_marks; - } else { - GC_atomic_in_use += sz * hhdr -> hb_n_marks; - } - if (report_if_found) { - GC_reclaim_small_nonempty_block(hbp, (int)report_if_found, - &GC_bytes_found); - } else if (empty) { - GC_bytes_found += HBLKSIZE; - GC_freehblk(hbp); - } else if (TRUE != GC_block_nearly_full(hhdr)){ - /* group of smaller objects, enqueue the real work */ - rlh = &(ok -> ok_reclaim_list[BYTES_TO_GRANULES(sz)]); - hhdr -> hb_next = *rlh; - *rlh = hbp; - } /* else not worth salvaging. */ - /* We used to do the nearly_full check later, but we */ - /* already have the right cache context here. Also */ - /* doing it here avoids some silly lock contention in */ - /* GC_malloc_many. */ - } -} - -#if !defined(NO_DEBUGGING) -/* Routines to gather and print heap block info */ -/* intended for debugging. Otherwise should be called */ -/* with lock. */ - -struct Print_stats -{ - size_t number_of_blocks; - size_t total_bytes; -}; - -#ifdef USE_MARK_BYTES - -/* Return the number of set mark bits in the given header */ -int GC_n_set_marks(hdr *hhdr) -{ - int result = 0; - int i; - size_t sz = hhdr -> hb_sz; - int offset = MARK_BIT_OFFSET(sz); - int limit = FINAL_MARK_BIT(sz); - - for (i = 0; i < limit; i += offset) { - result += hhdr -> hb_marks[i]; - } - GC_ASSERT(hhdr -> hb_marks[limit]); - return(result); -} - -#else - -/* Number of set bits in a word. Not performance critical. */ -static int set_bits(word n) -{ - word m = n; - int result = 0; - - while (m > 0) { - if (m & 1) result++; - m >>= 1; - } - return(result); -} - -/* Return the number of set mark bits in the given header */ -int GC_n_set_marks(hdr *hhdr) -{ - int result = 0; - int i; - int n_mark_words; -# ifdef MARK_BIT_PER_OBJ - int n_objs = HBLK_OBJS(hhdr -> hb_sz); - - if (0 == n_objs) n_objs = 1; - n_mark_words = divWORDSZ(n_objs + WORDSZ - 1); -# else /* MARK_BIT_PER_GRANULE */ - n_mark_words = MARK_BITS_SZ; -# endif - for (i = 0; i < n_mark_words - 1; i++) { - result += set_bits(hhdr -> hb_marks[i]); - } -# ifdef MARK_BIT_PER_OBJ - result += set_bits((hhdr -> hb_marks[n_mark_words - 1]) - << (n_mark_words * WORDSZ - n_objs)); -# else - result += set_bits(hhdr -> hb_marks[n_mark_words - 1]); -# endif - return(result - 1); -} - -#endif /* !USE_MARK_BYTES */ - -/*ARGSUSED*/ -void GC_print_block_descr(struct hblk *h, word /* struct PrintStats */ raw_ps) -{ - hdr * hhdr = HDR(h); - size_t bytes = hhdr -> hb_sz; - struct Print_stats *ps; - unsigned n_marks = GC_n_set_marks(hhdr); - - if (hhdr -> hb_n_marks != n_marks) { - GC_printf("(%u:%u,%u!=%u)", hhdr -> hb_obj_kind, - bytes, - hhdr -> hb_n_marks, n_marks); - } else { - GC_printf("(%u:%u,%u)", hhdr -> hb_obj_kind, - bytes, n_marks); - } - bytes += HBLKSIZE-1; - bytes &= ~(HBLKSIZE-1); - - ps = (struct Print_stats *)raw_ps; - ps->total_bytes += bytes; - ps->number_of_blocks++; -} - -void GC_print_block_list() -{ - struct Print_stats pstats; - - GC_printf("(kind(0=ptrfree,1=normal,2=unc.):size_in_bytes, #_marks_set)\n"); - pstats.number_of_blocks = 0; - pstats.total_bytes = 0; - GC_apply_to_all_blocks(GC_print_block_descr, (word)&pstats); - GC_printf("\nblocks = %lu, bytes = %lu\n", - (unsigned long)pstats.number_of_blocks, - (unsigned long)pstats.total_bytes); -} - -/* Currently for debugger use only: */ -void GC_print_free_list(int kind, size_t sz_in_granules) -{ - struct obj_kind * ok = &GC_obj_kinds[kind]; - ptr_t flh = ok -> ok_freelist[sz_in_granules]; - struct hblk *lastBlock = 0; - int n = 0; - - while (flh){ - struct hblk *block = HBLKPTR(flh); - if (block != lastBlock){ - GC_printf("\nIn heap block at 0x%x:\n\t", block); - lastBlock = block; - } - GC_printf("%d: 0x%x;", ++n, flh); - flh = obj_link(flh); - } -} - -#endif /* NO_DEBUGGING */ - -/* - * Clear all obj_link pointers in the list of free objects *flp. - * Clear *flp. - * This must be done before dropping a list of free gcj-style objects, - * since may otherwise end up with dangling "descriptor" pointers. - * It may help for other pointer-containing objects. - */ -void GC_clear_fl_links(void **flp) -{ - void *next = *flp; - - while (0 != next) { - *flp = 0; - flp = &(obj_link(next)); - next = *flp; - } -} - -/* - * Perform GC_reclaim_block on the entire heap, after first clearing - * small object free lists (if we are not just looking for leaks). - */ -void GC_start_reclaim(GC_bool report_if_found) -{ - unsigned kind; - -# if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - GC_ASSERT(0 == GC_fl_builder_count); -# endif - /* Reset in use counters. GC_reclaim_block recomputes them. */ - GC_composite_in_use = 0; - GC_atomic_in_use = 0; - /* Clear reclaim- and free-lists */ - for (kind = 0; kind < GC_n_kinds; kind++) { - void **fop; - void **lim; - struct hblk ** rlp; - struct hblk ** rlim; - struct hblk ** rlist = GC_obj_kinds[kind].ok_reclaim_list; - GC_bool should_clobber = (GC_obj_kinds[kind].ok_descriptor != 0); - - if (rlist == 0) continue; /* This kind not used. */ - if (!report_if_found) { - lim = &(GC_obj_kinds[kind].ok_freelist[MAXOBJGRANULES+1]); - for( fop = GC_obj_kinds[kind].ok_freelist; fop < lim; fop++ ) { - if (*fop != 0) { - if (should_clobber) { - GC_clear_fl_links(fop); - } else { - *fop = 0; - } - } - } - } /* otherwise free list objects are marked, */ - /* and its safe to leave them */ - rlim = rlist + MAXOBJGRANULES+1; - for( rlp = rlist; rlp < rlim; rlp++ ) { - *rlp = 0; - } - } - - - /* Go through all heap blocks (in hblklist) and reclaim unmarked objects */ - /* or enqueue the block for later processing. */ - GC_apply_to_all_blocks(GC_reclaim_block, (word)report_if_found); - -# ifdef EAGER_SWEEP - /* This is a very stupid thing to do. We make it possible anyway, */ - /* so that you can convince yourself that it really is very stupid. */ - GC_reclaim_all((GC_stop_func)0, FALSE); -# endif -# if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC) - GC_ASSERT(0 == GC_fl_builder_count); -# endif - -} - -/* - * Sweep blocks of the indicated object size and kind until either the - * appropriate free list is nonempty, or there are no more blocks to - * sweep. - */ -void GC_continue_reclaim(size_t sz /* granules */, int kind) -{ - hdr * hhdr; - struct hblk * hbp; - struct obj_kind * ok = &(GC_obj_kinds[kind]); - struct hblk ** rlh = ok -> ok_reclaim_list; - void **flh = &(ok -> ok_freelist[sz]); - - if (rlh == 0) return; /* No blocks of this kind. */ - rlh += sz; - while ((hbp = *rlh) != 0) { - hhdr = HDR(hbp); - *rlh = hhdr -> hb_next; - GC_reclaim_small_nonempty_block(hbp, FALSE, &GC_bytes_found); - if (*flh != 0) break; - } -} - -/* - * Reclaim all small blocks waiting to be reclaimed. - * Abort and return FALSE when/if (*stop_func)() returns TRUE. - * If this returns TRUE, then it's safe to restart the world - * with incorrectly cleared mark bits. - * If ignore_old is TRUE, then reclaim only blocks that have been - * recently reclaimed, and discard the rest. - * Stop_func may be 0. - */ -GC_bool GC_reclaim_all(GC_stop_func stop_func, GC_bool ignore_old) -{ - word sz; - unsigned kind; - hdr * hhdr; - struct hblk * hbp; - struct obj_kind * ok; - struct hblk ** rlp; - struct hblk ** rlh; - CLOCK_TYPE start_time; - CLOCK_TYPE done_time; - - if (GC_print_stats == VERBOSE) - GET_TIME(start_time); - - for (kind = 0; kind < GC_n_kinds; kind++) { - ok = &(GC_obj_kinds[kind]); - rlp = ok -> ok_reclaim_list; - if (rlp == 0) continue; - for (sz = 1; sz <= MAXOBJGRANULES; sz++) { - rlh = rlp + sz; - while ((hbp = *rlh) != 0) { - if (stop_func != (GC_stop_func)0 && (*stop_func)()) { - return(FALSE); - } - hhdr = HDR(hbp); - *rlh = hhdr -> hb_next; - if (!ignore_old || hhdr -> hb_last_reclaimed == GC_gc_no - 1) { - /* It's likely we'll need it this time, too */ - /* It's been touched recently, so this */ - /* shouldn't trigger paging. */ - GC_reclaim_small_nonempty_block(hbp, FALSE, &GC_bytes_found); - } - } - } - } - if (GC_print_stats == VERBOSE) { - GET_TIME(done_time); - GC_log_printf("Disposing of reclaim lists took %lu msecs\n", - MS_TIME_DIFF(done_time,start_time)); - } - return(TRUE); -} diff --git a/vendor/gc/rs6000_mach_dep.s b/vendor/gc/rs6000_mach_dep.s deleted file mode 100644 index 12bf9a8..0000000 --- a/vendor/gc/rs6000_mach_dep.s +++ /dev/null @@ -1,114 +0,0 @@ - .set r0,0 - .set r1,1 - .set r2,2 - .set r3,3 - .set r4,4 - .set r5,5 - .set r6,6 - .set r7,7 - .set r8,8 - .set r9,9 - .set r10,10 - .set r11,11 - .set r12,12 - .set r13,13 - .set r14,14 - .set r15,15 - .set r16,16 - .set r17,17 - .set r18,18 - .set r19,19 - .set r20,20 - .set r21,21 - .set r22,22 - .set r23,23 - .set r24,24 - .set r25,25 - .set r26,26 - .set r27,27 - .set r28,28 - .set r29,29 - .set r30,30 - .set r31,31 - - .extern .GC_push_one - # Mark from machine registers that are saved by C compiler - .globl .GC_push_regs -.csect .text[PR] - .align 2 - .globl GC_push_regs - .globl .GC_push_regs -.csect GC_push_regs[DS] -GC_push_regs: - .long .GC_push_regs, TOC[tc0], 0 -.csect .text[PR] -.GC_push_regs: - stu r1,-64(r1) # reserve stack frame - mflr r0 # save link register - st r0,0x48(r1) - oril r3,r2,0x0 # mark from r2 - bl .GC_push_one - cror 15,15,15 - oril r3,r13,0x0 # mark from r13-r31 - bl .GC_push_one - cror 15,15,15 - oril r3,r14,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r15,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r16,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r17,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r18,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r19,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r20,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r21,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r22,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r23,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r24,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r25,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r26,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r27,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r28,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r29,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r30,0x0 - bl .GC_push_one - cror 15,15,15 - oril r3,r31,0x0 - bl .GC_push_one - cror 15,15,15 - l r0,0x48(r1) - mtlr r0 - ai r1,r1,64 - br - .long 0 - .byte 0,0,0,0,0,0,0,0 diff --git a/vendor/gc/setjmp_t.c b/vendor/gc/setjmp_t.c deleted file mode 100644 index 5a171df..0000000 --- a/vendor/gc/setjmp_t.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* Check whether setjmp actually saves registers in jmp_buf. */ -/* If it doesn't, the generic mark_regs code won't work. */ -/* Compilers vary as to whether they will put x in a */ -/* (callee-save) register without -O. The code is */ -/* contrived such that any decent compiler should put x in */ -/* a callee-save register with -O. Thus it is is */ -/* recommended that this be run optimized. (If the machine */ -/* has no callee-save registers, then the generic code is */ -/* safe, but this will not be noticed by this piece of */ -/* code.) This test appears to be far from perfect. */ -#include -#include -#include -#include "private/gc_priv.h" - -#ifdef OS2 -/* GETPAGESIZE() is set to getpagesize() by default, but that */ -/* doesn't really exist, and the collector doesn't need it. */ -#define INCL_DOSFILEMGR -#define INCL_DOSMISC -#define INCL_DOSERRORS -#include - -int -getpagesize() -{ - ULONG result[1]; - - if (DosQuerySysInfo(QSV_PAGE_SIZE, QSV_PAGE_SIZE, - (void *)result, sizeof(ULONG)) != NO_ERROR) { - fprintf(stderr, "DosQuerySysInfo failed\n"); - result[0] = 4096; - } - return((int)(result[0])); -} -#endif - -struct {char a_a; char * a_b;} a; - -int * nested_sp() -{ - int dummy; - - return(&dummy); -} - -int main() -{ - int dummy; - long ps = GETPAGESIZE(); - jmp_buf b; - register int x = (int)strlen("a"); /* 1, slightly disguised */ - static int y = 0; - - printf("This appears to be a %s running %s\n", MACH_TYPE, OS_TYPE); - if (nested_sp() < &dummy) { - printf("Stack appears to grow down, which is the default.\n"); - printf("A good guess for STACKBOTTOM on this machine is 0x%lx.\n", - ((unsigned long)(&dummy) + ps) & ~(ps-1)); - } else { - printf("Stack appears to grow up.\n"); - printf("Define STACK_GROWS_UP in gc_private.h\n"); - printf("A good guess for STACKBOTTOM on this machine is 0x%lx.\n", - ((unsigned long)(&dummy) + ps) & ~(ps-1)); - } - printf("Note that this may vary between machines of ostensibly\n"); - printf("the same architecture (e.g. Sun 3/50s and 3/80s).\n"); - printf("On many machines the value is not fixed.\n"); - printf("A good guess for ALIGNMENT on this machine is %ld.\n", - (unsigned long)(&(a.a_b))-(unsigned long)(&a)); - - printf("The following is a very dubious test of one root marking" - " strategy.\n"); - printf("Results may not be accurate/useful:\n"); - /* Encourage the compiler to keep x in a callee-save register */ - x = 2*x-1; - printf(""); - x = 2*x-1; - setjmp(b); - if (y == 1) { - if (x == 2) { - printf("Setjmp-based generic mark_regs code probably wont work.\n"); - printf("But we rarely try that anymore. If you have getcontect()\n"); - printf("this probably doesn't matter.\n"); - } else if (x == 1) { - printf("Setjmp-based register marking code may work.\n"); - } else { - printf("Very strange setjmp implementation.\n"); - } - } - y++; - x = 2; - if (y == 1) longjmp(b,1); - printf("Some GC internal configuration stuff: \n"); - printf("\tWORDSZ = %d, ALIGNMENT = %d, GC_GRANULE_BYTES = %d\n", - WORDSZ, ALIGNMENT, GC_GRANULE_BYTES); - printf("\tUsing one mark "); -# if defined(USE_MARK_BYTES) - printf("byte"); -# elif defined(USE_MARK_BITS) - printf("bit"); -# endif - printf(" per "); -# if defined(MARK_BIT_PER_OBJ) - printf("object.\n"); -# elif defined(MARK_BIT_PER_GRANULE) - printf("granule.\n"); -# endif -# ifdef THREAD_LOCAL_ALLOC - printf("Thread local allocation enabled.\n"); -# endif -# ifdef PARALLEL_MARK - printf("Parallel marking enabled.\n"); -# endif - return(0); -} - -int g(x) -int x; -{ - return(x); -} diff --git a/vendor/gc/sparc_mach_dep.S b/vendor/gc/sparc_mach_dep.S deleted file mode 100644 index e8ad655..0000000 --- a/vendor/gc/sparc_mach_dep.S +++ /dev/null @@ -1,70 +0,0 @@ -! SPARCompiler 3.0 and later apparently no longer handles -! asm outside functions. So we need a separate .s file -! This is only set up for SunOS 5, not SunOS 4. -! Assumes this is called before the stack contents are -! examined. - - .seg "text" - .globl GC_save_regs_in_stack - .globl GC_push_regs -GC_save_regs_in_stack: -#if defined(__arch64__) || defined(__sparcv9) - save %sp,-128,%sp - flushw - ret - restore %sp,2047+128,%o0 -#else /* 32 bit SPARC */ - ta 0x3 ! ST_FLUSH_WINDOWS - mov %sp,%o0 - retl - nop -#endif /* 32 bit SPARC */ -.GC_save_regs_in_stack_end: - .size GC_save_regs_in_stack,.GC_save_regs_in_stack_end-GC_save_regs_in_stack - - -! GC_clear_stack_inner(arg, limit) clears stack area up to limit and -! returns arg. Stack clearing is crucial on SPARC, so we supply -! an assembly version that s more careful. Assumes limit is hotter -! than sp, and limit is 8 byte aligned. - .globl GC_clear_stack_inner -GC_clear_stack_inner: -#if defined(__arch64__) || defined(__sparcv9) - mov %sp,%o2 ! Save sp - add %sp,2047-8,%o3 ! p = sp+bias-8 - add %o1,-2047-192,%sp ! Move sp out of the way, - ! so that traps still work. - ! Includes some extra words - ! so we can be sloppy below. -loop: - stx %g0,[%o3] ! *(long *)p = 0 - cmp %o3,%o1 - bgu,pt %xcc, loop ! if (p > limit) goto loop - add %o3,-8,%o3 ! p -= 8 (delay slot) - retl - mov %o2,%sp ! Restore sp., delay slot -#else /* 32 bit SPARC */ - mov %sp,%o2 ! Save sp - add %sp,-8,%o3 ! p = sp-8 - clr %g1 ! [g0,g1] = 0 - add %o1,-0x60,%sp ! Move sp out of the way, - ! so that traps still work. - ! Includes some extra words - ! so we can be sloppy below. -loop: - std %g0,[%o3] ! *(long long *)p = 0 - cmp %o3,%o1 - bgu loop ! if (p > limit) goto loop - add %o3,-8,%o3 ! p -= 8 (delay slot) - retl - mov %o2,%sp ! Restore sp., delay slot -#endif /* 32 bit SPARC */ -.GC_clear_stack_inner_end: - .size GC_clear_stack_inner,.GC_clear_stack_inner_end-GC_clear_stack_inner - - - - - - - diff --git a/vendor/gc/sparc_netbsd_mach_dep.s b/vendor/gc/sparc_netbsd_mach_dep.s deleted file mode 100644 index bc3f160..0000000 --- a/vendor/gc/sparc_netbsd_mach_dep.s +++ /dev/null @@ -1,34 +0,0 @@ -! SPARCompiler 3.0 and later apparently no longer handles -! asm outside functions. So we need a separate .s file -! This is only set up for SunOS 4. -! Assumes this is called before the stack contents are -! examined. - -#include "machine/asm.h" - - .seg "text" - .globl _C_LABEL(GC_save_regs_in_stack) - .globl _C_LABEL(GC_push_regs) -_C_LABEL(GC_save_regs_in_stack): -_C_LABEL(GC_push_regs): - ta 0x3 ! ST_FLUSH_WINDOWS - mov %sp,%o0 - retl - nop - - .globl _C_LABEL(GC_clear_stack_inner) -_C_LABEL(GC_clear_stack_inner): - mov %sp,%o2 ! Save sp - add %sp,-8,%o3 ! p = sp-8 - clr %g1 ! [g0,g1] = 0 - add %o1,-0x60,%sp ! Move sp out of the way, - ! so that traps still work. - ! Includes some extra words - ! so we can be sloppy below. -loop: - std %g0,[%o3] ! *(long long *)p = 0 - cmp %o3,%o1 - bgu loop ! if (p > limit) goto loop - add %o3,-8,%o3 ! p -= 8 (delay slot) - retl - mov %o2,%sp ! Restore sp., delay slot diff --git a/vendor/gc/sparc_sunos4_mach_dep.s b/vendor/gc/sparc_sunos4_mach_dep.s deleted file mode 100644 index 4185807..0000000 --- a/vendor/gc/sparc_sunos4_mach_dep.s +++ /dev/null @@ -1,38 +0,0 @@ -! SPARCompiler 3.0 and later apparently no longer handles -! asm outside functions. So we need a separate .s file -! This is only set up for SunOS 4. -! Assumes this is called before the stack contents are -! examined. - - .seg "text" - .globl _GC_save_regs_in_stack - .globl _GC_push_regs -_GC_save_regs_in_stack: -_GC_push_regs: - ta 0x3 ! ST_FLUSH_WINDOWS - mov %sp,%o0 - retl - nop - - .globl _GC_clear_stack_inner -_GC_clear_stack_inner: - mov %sp,%o2 ! Save sp - add %sp,-8,%o3 ! p = sp-8 - clr %g1 ! [g0,g1] = 0 - add %o1,-0x60,%sp ! Move sp out of the way, - ! so that traps still work. - ! Includes some extra words - ! so we can be sloppy below. -loop: - std %g0,[%o3] ! *(long long *)p = 0 - cmp %o3,%o1 - bgu loop ! if (p > limit) goto loop - add %o3,-8,%o3 ! p -= 8 (delay slot) - retl - mov %o2,%sp ! Restore sp., delay slot - - - - - - diff --git a/vendor/gc/specific.c b/vendor/gc/specific.c deleted file mode 100644 index b8ea49d..0000000 --- a/vendor/gc/specific.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * Copyright (c) 2000 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -#include "private/gc_priv.h" /* For configuration, pthreads.h. */ -#include "private/thread_local_alloc.h" - /* To determine type of tsd impl. */ - /* Includes private/specific.h */ - /* if needed. */ - -#if defined(USE_CUSTOM_SPECIFIC) - -#include "atomic_ops.h" - -static tse invalid_tse = {INVALID_QTID, 0, 0, INVALID_THREADID}; - /* A thread-specific data entry which will never */ - /* appear valid to a reader. Used to fill in empty */ - /* cache entries to avoid a check for 0. */ - -int PREFIXED(key_create) (tsd ** key_ptr, void (* destructor)(void *)) { - int i; - tsd * result = (tsd *)MALLOC_CLEAR(sizeof (tsd)); - - /* A quick alignment check, since we need atomic stores */ - GC_ASSERT((unsigned long)(&invalid_tse.next) % sizeof(tse *) == 0); - if (0 == result) return ENOMEM; - pthread_mutex_init(&(result -> lock), NULL); - for (i = 0; i < TS_CACHE_SIZE; ++i) { - result -> cache[i] = &invalid_tse; - } -# ifdef GC_ASSERTIONS - for (i = 0; i < TS_HASH_SIZE; ++i) { - GC_ASSERT(result -> hash[i] == 0); - } -# endif - *key_ptr = result; - return 0; -} - -int PREFIXED(setspecific) (tsd * key, void * value) { - pthread_t self = pthread_self(); - int hash_val = HASH(self); - volatile tse * entry = (volatile tse *)MALLOC_CLEAR(sizeof (tse)); - - GC_ASSERT(self != INVALID_THREADID); - if (0 == entry) return ENOMEM; - pthread_mutex_lock(&(key -> lock)); - /* Could easily check for an existing entry here. */ - entry -> next = key -> hash[hash_val]; - entry -> thread = self; - entry -> value = value; - GC_ASSERT(entry -> qtid == INVALID_QTID); - /* There can only be one writer at a time, but this needs to be */ - /* atomic with respect to concurrent readers. */ - AO_store_release((volatile AO_t *)(key -> hash + hash_val), (AO_t)entry); - pthread_mutex_unlock(&(key -> lock)); - return 0; -} - -/* Remove thread-specific data for this thread. Should be called on */ -/* thread exit. */ -void PREFIXED(remove_specific) (tsd * key) { - pthread_t self = pthread_self(); - unsigned hash_val = HASH(self); - tse *entry; - tse **link = key -> hash + hash_val; - - pthread_mutex_lock(&(key -> lock)); - entry = *link; - while (entry != NULL && entry -> thread != self) { - link = &(entry -> next); - entry = *link; - } - /* Invalidate qtid field, since qtids may be reused, and a later */ - /* cache lookup could otherwise find this entry. */ - entry -> qtid = INVALID_QTID; - if (entry != NULL) { - *link = entry -> next; - /* Atomic! concurrent accesses still work. */ - /* They must, since readers don't lock. */ - /* We shouldn't need a volatile access here, */ - /* since both this and the preceding write */ - /* should become visible no later than */ - /* the pthread_mutex_unlock() call. */ - } - /* If we wanted to deallocate the entry, we'd first have to clear */ - /* any cache entries pointing to it. That probably requires */ - /* additional synchronization, since we can't prevent a concurrent */ - /* cache lookup, which should still be examining deallocated memory.*/ - /* This can only happen if the concurrent access is from another */ - /* thread, and hence has missed the cache, but still... */ - - /* With GC, we're done, since the pointers from the cache will */ - /* be overwritten, all local pointers to the entries will be */ - /* dropped, and the entry will then be reclaimed. */ - pthread_mutex_unlock(&(key -> lock)); -} - -/* Note that even the slow path doesn't lock. */ -void * PREFIXED(slow_getspecific) (tsd * key, unsigned long qtid, - tse * volatile * cache_ptr) { - pthread_t self = pthread_self(); - unsigned hash_val = HASH(self); - tse *entry = key -> hash[hash_val]; - - GC_ASSERT(qtid != INVALID_QTID); - while (entry != NULL && entry -> thread != self) { - entry = entry -> next; - } - if (entry == NULL) return NULL; - /* Set cache_entry. */ - entry -> qtid = qtid; - /* It's safe to do this asynchronously. Either value */ - /* is safe, though may produce spurious misses. */ - /* We're replacing one qtid with another one for the */ - /* same thread. */ - *cache_ptr = entry; - /* Again this is safe since pointer assignments are */ - /* presumed atomic, and either pointer is valid. */ - return entry -> value; -} - -#ifdef GC_ASSERTIONS - -/* Check that that all elements of the data structure associated */ -/* with key are marked. */ -void PREFIXED(check_tsd_marks) (tsd *key) -{ - int i; - tse *p; - - if (!GC_is_marked(GC_base(key))) { - ABORT("Unmarked thread-specific-data table"); - } - for (i = 0; i < TS_HASH_SIZE; ++i) { - for (p = key -> hash[i]; p != 0; p = p -> next) { - if (!GC_is_marked(GC_base(p))) { - GC_err_printf( - "Thread-specific-data entry at %p not marked\n",p); - ABORT("Unmarked tse"); - } - } - } - for (i = 0; i < TS_CACHE_SIZE; ++i) { - p = key -> cache[i]; - if (p != &invalid_tse && !GC_is_marked(GC_base(p))) { - GC_err_printf( - "Cached thread-specific-data entry at %p not marked\n",p); - ABORT("Unmarked cached tse"); - } - } -} - -#endif - -#endif /* USE_CUSTOM_SPECIFIC */ diff --git a/vendor/gc/stubborn.c b/vendor/gc/stubborn.c deleted file mode 100644 index f4e0958..0000000 --- a/vendor/gc/stubborn.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* Boehm, July 31, 1995 5:02 pm PDT */ - - -#include "private/gc_priv.h" - -#if defined(MANUAL_VDB) -/* Stubborn object (hard to change, nearly immutable) allocation. */ -/* This interface is deprecated. We mostly emulate it using */ -/* MANUAL_VDB. But that imposes the additional constraint that */ -/* written, but not yet GC_dirty()ed objects must be referenced */ -/* by a stack. */ -void * GC_malloc_stubborn(size_t lb) -{ - return(GC_malloc(lb)); -} - -/*ARGSUSED*/ -void GC_end_stubborn_change(void *p) -{ - GC_dirty(p); -} - -/*ARGSUSED*/ -void GC_change_stubborn(void *p) -{ -} - -#else /* !MANUAL_VDB */ - -void * GC_malloc_stubborn(size_t lb) -{ - return(GC_malloc(lb)); -} - -/*ARGSUSED*/ -void GC_end_stubborn_change(void *p) -{ -} - -/*ARGSUSED*/ -void GC_change_stubborn(void *p) -{ -} - -#endif /* !MANUAL_VDB */ diff --git a/vendor/gc/tests/huge_test.c b/vendor/gc/tests/huge_test.c deleted file mode 100644 index 248b1d7..0000000 --- a/vendor/gc/tests/huge_test.c +++ /dev/null @@ -1,45 +0,0 @@ -#include -#include -#include -#include - -/* - * Check that very large allocation requests fail. "Success" would usually - * indicate that the the size was somehow converted to a negative - * number. Clients shouldn't do this, but we should fail in the - * expected manner. - */ - - -main() -{ - GC_INIT(); - - GC_set_max_heap_size(100*1024*1024); - /* Otherwise heap expansion aborts when deallocating large block. */ - /* That's OK. We test this corner case mostly to make sure that */ - /* it fails predictably. */ - GC_expand_hp(1024*1024*5); - if (sizeof(long) == sizeof(void *)) { - void *r = GC_MALLOC(LONG_MAX-1024); - if (0 != r) { - fprintf(stderr, - "Size LONG_MAX-1024 allocation unexpectedly succeeded\n"); - exit(1); - } - r = GC_MALLOC(LONG_MAX); - if (0 != r) { - fprintf(stderr, - "Size LONG_MAX allocation unexpectedly succeeded\n"); - exit(1); - } - r = GC_MALLOC((size_t)LONG_MAX + 1024); - if (0 != r) { - fprintf(stderr, - "Size LONG_MAX+1024 allocation unexpectedly succeeded\n"); - exit(1); - } - } - return 0; -} - diff --git a/vendor/gc/tests/leak_test.c b/vendor/gc/tests/leak_test.c deleted file mode 100644 index d6a60d4..0000000 --- a/vendor/gc/tests/leak_test.c +++ /dev/null @@ -1,25 +0,0 @@ -#include "leak_detector.h" - -main() { - int *p[10]; - int i; - GC_find_leak = 1; /* for new collect versions not compiled */ - /* with -DFIND_LEAK. */ - - GC_INIT(); /* Needed if thread-local allocation is enabled. */ - /* FIXME: This is not ideal. */ - for (i = 0; i < 10; ++i) { - p[i] = malloc(sizeof(int)+i); - } - CHECK_LEAKS(); - for (i = 1; i < 10; ++i) { - free(p[i]); - } - for (i = 0; i < 9; ++i) { - p[i] = malloc(sizeof(int)+i); - } - CHECK_LEAKS(); - CHECK_LEAKS(); - CHECK_LEAKS(); - return 0; -} diff --git a/vendor/gc/tests/middle.c b/vendor/gc/tests/middle.c deleted file mode 100644 index ebb348c..0000000 --- a/vendor/gc/tests/middle.c +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Test at the boundary between small and large objects. - * Inspired by a test case from Zoltan Varga. - */ -#include -#include - -int main () -{ - int i; - - GC_all_interior_pointers = 0; - GC_INIT(); - - for (i = 0; i < 20000; ++i) { - GC_malloc_atomic (4096); - GC_malloc (4096); - } - for (i = 0; i < 20000; ++i) { - GC_malloc_atomic (2048); - GC_malloc (2048); - } - printf("Final heap size is %ld\n", GC_get_heap_size()); - return 0; -} - diff --git a/vendor/gc/tests/smash_test.c b/vendor/gc/tests/smash_test.c deleted file mode 100644 index b94af90..0000000 --- a/vendor/gc/tests/smash_test.c +++ /dev/null @@ -1,28 +0,0 @@ -/* - * Test that overwrite error detection works reasonably. - */ -#define GC_DEBUG -#include -#include - -#define COUNT 7000 -#define SIZE 40 - -char * A[COUNT]; - -int main () -{ - int i; - char *p; - - GC_INIT(); - - for (i = 0; i < COUNT; ++i) { - A[i] = p = GC_MALLOC(SIZE); - - if (i%3000 == 0) GC_gcollect(); - if (i%5678 == 0) p[SIZE + i/2000] = 42; - } - return 0; -} - diff --git a/vendor/gc/tests/test.c b/vendor/gc/tests/test.c deleted file mode 100644 index 6033541..0000000 --- a/vendor/gc/tests/test.c +++ /dev/null @@ -1,1682 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * Copyright (c) 1996 by Silicon Graphics. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -/* An incomplete test for the garbage collector. */ -/* Some more obscure entry points are not tested at all. */ -/* This must be compiled with the same flags used to build the */ -/* GC. It uses GC internals to allow more precise results */ -/* checking for some of the tests. */ - -# undef GC_BUILD - -#if defined(DBG_HDRS_ALL) || defined(MAKE_BACK_GRAPH) -# define GC_DEBUG -#endif - -# if defined(mips) && defined(SYSTYPE_BSD43) - /* MIPS RISCOS 4 */ -# else -# include -# endif -# include -# ifdef _WIN32_WCE -# include -# define assert ASSERT -# else -# include /* Not normally used, but handy for debugging. */ -# endif -# include "gc.h" -# include "gc_typed.h" -# include "private/gc_priv.h" /* For output, locking, MIN_WORDS, */ - /* and some statistics, and gcconfig.h. */ - -# if defined(MSWIN32) || defined(MSWINCE) -# include -# ifdef GC_DLL -# define GC_print_stats 0 /* Not exported from DLL */ - /* Redefine to 1 to generate output. */ -# endif -# endif - -# ifdef PCR -# include "th/PCR_ThCrSec.h" -# include "th/PCR_Th.h" -# define GC_printf printf -# endif - -# if defined(GC_PTHREADS) -# include -# endif - -# if defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS) - static CRITICAL_SECTION incr_cs; -# endif - -#ifdef __STDC__ -# include -#endif - -/* Call GC_INIT only on platforms on which we think we really need it, */ -/* so that we can test automatic initialization on the rest. */ -#if defined(CYGWIN32) || defined (AIX) || defined(DARWIN) -# define GC_COND_INIT() GC_INIT() -#else -# define GC_COND_INIT() -#endif - -/* Allocation Statistics */ -int stubborn_count = 0; -int uncollectable_count = 0; -int collectable_count = 0; -int atomic_count = 0; -int realloc_count = 0; - -#if defined(GC_AMIGA_FASTALLOC) && defined(AMIGA) - - extern void GC_amiga_free_all_mem(void); - void Amiga_Fail(void){GC_amiga_free_all_mem();abort();} -# define FAIL (void)Amiga_Fail() - void *GC_amiga_gctest_malloc_explicitly_typed(size_t lb, GC_descr d){ - void *ret=GC_malloc_explicitly_typed(lb,d); - if(ret==NULL){ - if(!GC_dont_gc){ - GC_gcollect(); - ret=GC_malloc_explicitly_typed(lb,d); - } - if(ret==NULL){ - GC_printf("Out of memory, (typed allocations are not directly " - "supported with the GC_AMIGA_FASTALLOC option.)\n"); - FAIL; - } - } - return ret; - } - void *GC_amiga_gctest_calloc_explicitly_typed(size_t a,size_t lb, GC_descr d){ - void *ret=GC_calloc_explicitly_typed(a,lb,d); - if(ret==NULL){ - if(!GC_dont_gc){ - GC_gcollect(); - ret=GC_calloc_explicitly_typed(a,lb,d); - } - if(ret==NULL){ - GC_printf("Out of memory, (typed allocations are not directly " - "supported with the GC_AMIGA_FASTALLOC option.)\n"); - FAIL; - } - } - return ret; - } -# define GC_malloc_explicitly_typed(a,b) GC_amiga_gctest_malloc_explicitly_typed(a,b) -# define GC_calloc_explicitly_typed(a,b,c) GC_amiga_gctest_calloc_explicitly_typed(a,b,c) - -#else /* !AMIGA_FASTALLOC */ - -# ifdef PCR -# define FAIL (void)abort() -# else -# ifdef MSWINCE -# define FAIL DebugBreak() -# else -# define FAIL GC_abort("Test failed"); -# endif -# endif - -#endif /* !AMIGA_FASTALLOC */ - -/* AT_END may be defined to exercise the interior pointer test */ -/* if the collector is configured with ALL_INTERIOR_POINTERS. */ -/* As it stands, this test should succeed with either */ -/* configuration. In the FIND_LEAK configuration, it should */ -/* find lots of leaks, since we free almost nothing. */ - -struct SEXPR { - struct SEXPR * sexpr_car; - struct SEXPR * sexpr_cdr; -}; - - -typedef struct SEXPR * sexpr; - -# define INT_TO_SEXPR(x) ((sexpr)(GC_word)(x)) -# define SEXPR_TO_INT(x) ((int)(GC_word)(x)) - -# undef nil -# define nil (INT_TO_SEXPR(0)) -# define car(x) ((x) -> sexpr_car) -# define cdr(x) ((x) -> sexpr_cdr) -# define is_nil(x) ((x) == nil) - - -int extra_count = 0; /* Amount of space wasted in cons node */ - -/* Silly implementation of Lisp cons. Intentionally wastes lots of space */ -/* to test collector. */ -# ifdef VERY_SMALL_CONFIG -# define cons small_cons -# else -sexpr cons (sexpr x, sexpr y) -{ - sexpr r; - int *p; - int my_extra = extra_count; - - stubborn_count++; - r = (sexpr) GC_MALLOC_STUBBORN(sizeof(struct SEXPR) + my_extra); - if (r == 0) { - (void)GC_printf("Out of memory\n"); - exit(1); - } - for (p = (int *)r; - ((char *)p) < ((char *)r) + my_extra + sizeof(struct SEXPR); p++) { - if (*p) { - (void)GC_printf("Found nonzero at %p - allocator is broken\n", p); - FAIL; - } - *p = (int)((13 << 12) + ((p - (int *)r) & 0xfff)); - } -# ifdef AT_END - r = (sexpr)((char *)r + (my_extra & ~7)); -# endif - r -> sexpr_car = x; - r -> sexpr_cdr = y; - my_extra++; - if ( my_extra >= 5000 ) { - extra_count = 0; - } else { - extra_count = my_extra; - } - GC_END_STUBBORN_CHANGE((char *)r); - return(r); -} -# endif - -#ifdef GC_GCJ_SUPPORT - -#include "gc_mark.h" -#include "gc_gcj.h" - -/* The following struct emulates the vtable in gcj. */ -/* This assumes the default value of MARK_DESCR_OFFSET. */ -struct fake_vtable { - void * dummy; /* class pointer in real gcj. */ - size_t descr; -}; - -struct fake_vtable gcj_class_struct1 = { 0, sizeof(struct SEXPR) - + sizeof(struct fake_vtable *) }; - /* length based descriptor. */ -struct fake_vtable gcj_class_struct2 = - { 0, (3l << (CPP_WORDSZ - 3)) | GC_DS_BITMAP}; - /* Bitmap based descriptor. */ - -struct GC_ms_entry * fake_gcj_mark_proc(word * addr, - struct GC_ms_entry *mark_stack_ptr, - struct GC_ms_entry *mark_stack_limit, - word env ) -{ - sexpr x; - if (1 == env) { - /* Object allocated with debug allocator. */ - addr = (word *)GC_USR_PTR_FROM_BASE(addr); - } - x = (sexpr)(addr + 1); /* Skip the vtable pointer. */ - mark_stack_ptr = GC_MARK_AND_PUSH( - (void *)(x -> sexpr_cdr), mark_stack_ptr, - mark_stack_limit, (void * *)&(x -> sexpr_cdr)); - mark_stack_ptr = GC_MARK_AND_PUSH( - (void *)(x -> sexpr_car), mark_stack_ptr, - mark_stack_limit, (void * *)&(x -> sexpr_car)); - return(mark_stack_ptr); -} - -#endif /* GC_GCJ_SUPPORT */ - - -sexpr small_cons (sexpr x, sexpr y) -{ - sexpr r; - - collectable_count++; - r = (sexpr) GC_MALLOC(sizeof(struct SEXPR)); - if (r == 0) { - (void)GC_printf("Out of memory\n"); - exit(1); - } - r -> sexpr_car = x; - r -> sexpr_cdr = y; - return(r); -} - -sexpr small_cons_uncollectable (sexpr x, sexpr y) -{ - sexpr r; - - uncollectable_count++; - r = (sexpr) GC_MALLOC_UNCOLLECTABLE(sizeof(struct SEXPR)); - if (r == 0) { - (void)GC_printf("Out of memory\n"); - exit(1); - } - r -> sexpr_car = x; - r -> sexpr_cdr = (sexpr)(~(GC_word)y); - return(r); -} - -#ifdef GC_GCJ_SUPPORT - - -sexpr gcj_cons(sexpr x, sexpr y) -{ - GC_word * r; - sexpr result; - static int count = 0; - - r = (GC_word *) GC_GCJ_MALLOC(sizeof(struct SEXPR) - + sizeof(struct fake_vtable*), - &gcj_class_struct2); - if (r == 0) { - (void)GC_printf("Out of memory\n"); - exit(1); - } - result = (sexpr)(r + 1); - result -> sexpr_car = x; - result -> sexpr_cdr = y; - return(result); -} -#endif - -/* Return reverse(x) concatenated with y */ -sexpr reverse1(sexpr x, sexpr y) -{ - if (is_nil(x)) { - return(y); - } else { - return( reverse1(cdr(x), cons(car(x), y)) ); - } -} - -sexpr reverse(sexpr x) -{ -# ifdef TEST_WITH_SYSTEM_MALLOC - malloc(100000); -# endif - return( reverse1(x, nil) ); -} - -sexpr ints(int low, int up) -{ - if (low > up) { - return(nil); - } else { - return(small_cons(small_cons(INT_TO_SEXPR(low), nil), ints(low+1, up))); - } -} - -#ifdef GC_GCJ_SUPPORT -/* Return reverse(x) concatenated with y */ -sexpr gcj_reverse1(sexpr x, sexpr y) -{ - if (is_nil(x)) { - return(y); - } else { - return( gcj_reverse1(cdr(x), gcj_cons(car(x), y)) ); - } -} - -sexpr gcj_reverse(sexpr x) -{ - return( gcj_reverse1(x, nil) ); -} - -sexpr gcj_ints(int low, int up) -{ - if (low > up) { - return(nil); - } else { - return(gcj_cons(gcj_cons(INT_TO_SEXPR(low), nil), gcj_ints(low+1, up))); - } -} -#endif /* GC_GCJ_SUPPORT */ - -/* To check uncollectable allocation we build lists with disguised cdr */ -/* pointers, and make sure they don't go away. */ -sexpr uncollectable_ints(int low, int up) -{ - if (low > up) { - return(nil); - } else { - return(small_cons_uncollectable(small_cons(INT_TO_SEXPR(low), nil), - uncollectable_ints(low+1, up))); - } -} - -void check_ints(sexpr list, int low, int up) -{ - if (SEXPR_TO_INT(car(car(list))) != low) { - (void)GC_printf( - "List reversal produced incorrect list - collector is broken\n"); - FAIL; - } - if (low == up) { - if (cdr(list) != nil) { - (void)GC_printf("List too long - collector is broken\n"); - FAIL; - } - } else { - check_ints(cdr(list), low+1, up); - } -} - -# define UNCOLLECTABLE_CDR(x) (sexpr)(~(GC_word)(cdr(x))) - -void check_uncollectable_ints(sexpr list, int low, int up) -{ - if (SEXPR_TO_INT(car(car(list))) != low) { - (void)GC_printf( - "Uncollectable list corrupted - collector is broken\n"); - FAIL; - } - if (low == up) { - if (UNCOLLECTABLE_CDR(list) != nil) { - (void)GC_printf("Uncollectable list too long - collector is broken\n"); - FAIL; - } - } else { - check_uncollectable_ints(UNCOLLECTABLE_CDR(list), low+1, up); - } -} - -/* Not used, but useful for debugging: */ -void print_int_list(sexpr x) -{ - if (is_nil(x)) { - (void)GC_printf("NIL\n"); - } else { - (void)GC_printf("(%d)", SEXPR_TO_INT(car(car(x)))); - if (!is_nil(cdr(x))) { - (void)GC_printf(", "); - (void)print_int_list(cdr(x)); - } else { - (void)GC_printf("\n"); - } - } -} - -/* ditto: */ -void check_marks_int_list(sexpr x) -{ - if (!GC_is_marked((ptr_t)x)) - GC_printf("[unm:%p]", x); - else - GC_printf("[mkd:%p]", x); - if (is_nil(x)) { - (void)GC_printf("NIL\n"); - } else { - if (!GC_is_marked((ptr_t)car(x))) GC_printf("[unm car:%p]", car(x)); - (void)GC_printf("(%d)", SEXPR_TO_INT(car(car(x)))); - if (!is_nil(cdr(x))) { - (void)GC_printf(", "); - (void)check_marks_int_list(cdr(x)); - } else { - (void)GC_printf("\n"); - } - } -} - -/* - * A tiny list reversal test to check thread creation. - */ -#ifdef THREADS - -# if defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS) - DWORD __stdcall tiny_reverse_test(void * arg) -# else - void * tiny_reverse_test(void * arg) -# endif -{ - int i; - for (i = 0; i < 5; ++i) { - check_ints(reverse(reverse(ints(1,10))), 1, 10); - } - return 0; -} - -# if defined(GC_PTHREADS) - void fork_a_thread() - { - pthread_t t; - int code; - if ((code = pthread_create(&t, 0, tiny_reverse_test, 0)) != 0) { - (void)GC_printf("Small thread creation failed %d\n", code); - FAIL; - } - if ((code = pthread_join(t, 0)) != 0) { - (void)GC_printf("Small thread join failed %d\n", code); - FAIL; - } - } - -# elif defined(GC_WIN32_THREADS) - void fork_a_thread() - { - DWORD thread_id; - HANDLE h; - h = GC_CreateThread(NULL, 0, tiny_reverse_test, 0, 0, &thread_id); - if (h == (HANDLE)NULL) { - (void)GC_printf("Small thread creation failed %d\n", - GetLastError()); - FAIL; - } - if (WaitForSingleObject(h, INFINITE) != WAIT_OBJECT_0) { - (void)GC_printf("Small thread wait failed %d\n", - GetLastError()); - FAIL; - } - } - -# else - -# define fork_a_thread() - -# endif - -#else - -# define fork_a_thread() - -#endif - -/* Try to force a to be strangely aligned */ -struct { - char dummy; - sexpr aa; -} A; -#define a A.aa - -/* - * Repeatedly reverse lists built out of very different sized cons cells. - * Check that we didn't lose anything. - */ -void reverse_test() -{ - int i; - sexpr b; - sexpr c; - sexpr d; - sexpr e; - sexpr *f, *g, *h; -# if defined(MSWIN32) || defined(MACOS) - /* Win32S only allows 128K stacks */ -# define BIG 1000 -# else -# if defined PCR - /* PCR default stack is 100K. Stack frames are up to 120 bytes. */ -# define BIG 700 -# else -# if defined MSWINCE - /* WinCE only allows 64K stacks */ -# define BIG 500 -# else -# if defined(OSF1) - /* OSF has limited stack space by default, and large frames. */ -# define BIG 200 -# else -# define BIG 4500 -# endif -# endif -# endif -# endif - - A.dummy = 17; - a = ints(1, 49); - b = ints(1, 50); - c = ints(1, BIG); - d = uncollectable_ints(1, 100); - e = uncollectable_ints(1, 1); - /* Check that realloc updates object descriptors correctly */ - collectable_count++; - f = (sexpr *)GC_MALLOC(4 * sizeof(sexpr)); - realloc_count++; - f = (sexpr *)GC_REALLOC((void *)f, 6 * sizeof(sexpr)); - f[5] = ints(1,17); - collectable_count++; - g = (sexpr *)GC_MALLOC(513 * sizeof(sexpr)); - realloc_count++; - g = (sexpr *)GC_REALLOC((void *)g, 800 * sizeof(sexpr)); - g[799] = ints(1,18); - collectable_count++; - h = (sexpr *)GC_MALLOC(1025 * sizeof(sexpr)); - realloc_count++; - h = (sexpr *)GC_REALLOC((void *)h, 2000 * sizeof(sexpr)); -# ifdef GC_GCJ_SUPPORT - h[1999] = gcj_ints(1,200); - for (i = 0; i < 51; ++i) - h[1999] = gcj_reverse(h[1999]); - /* Leave it as the reveresed list for now. */ -# else - h[1999] = ints(1,200); -# endif - /* Try to force some collections and reuse of small list elements */ - for (i = 0; i < 10; i++) { - (void)ints(1, BIG); - } - /* Superficially test interior pointer recognition on stack */ - c = (sexpr)((char *)c + sizeof(char *)); - d = (sexpr)((char *)d + sizeof(char *)); - -# ifdef __STDC__ - GC_FREE((void *)e); -# else - GC_FREE((char *)e); -# endif - check_ints(b,1,50); - check_ints(a,1,49); - for (i = 0; i < 50; i++) { - check_ints(b,1,50); - b = reverse(reverse(b)); - } - check_ints(b,1,50); - check_ints(a,1,49); - for (i = 0; i < 60; i++) { - if (i % 10 == 0) fork_a_thread(); - /* This maintains the invariant that a always points to a list of */ - /* 49 integers. Thus this is thread safe without locks, */ - /* assuming atomic pointer assignments. */ - a = reverse(reverse(a)); -# if !defined(AT_END) && !defined(THREADS) - /* This is not thread safe, since realloc explicitly deallocates */ - if (i & 1) { - a = (sexpr)GC_REALLOC((void *)a, 500); - } else { - a = (sexpr)GC_REALLOC((void *)a, 8200); - } -# endif - } - check_ints(a,1,49); - check_ints(b,1,50); - c = (sexpr)((char *)c - sizeof(char *)); - d = (sexpr)((char *)d - sizeof(char *)); - check_ints(c,1,BIG); - check_uncollectable_ints(d, 1, 100); - check_ints(f[5], 1,17); - check_ints(g[799], 1,18); -# ifdef GC_GCJ_SUPPORT - h[1999] = gcj_reverse(h[1999]); -# endif - check_ints(h[1999], 1,200); -# ifndef THREADS - a = 0; -# endif - b = c = 0; -} - -#undef a - -/* - * The rest of this builds balanced binary trees, checks that they don't - * disappear, and tests finalization. - */ -typedef struct treenode { - int level; - struct treenode * lchild; - struct treenode * rchild; -} tn; - -int finalizable_count = 0; -int finalized_count = 0; -volatile int dropped_something = 0; - -# ifdef __STDC__ - void finalizer(void * obj, void * client_data) -# else - void finalizer(obj, client_data) - char * obj; - char * client_data; -# endif -{ - tn * t = (tn *)obj; - -# ifdef PCR - PCR_ThCrSec_EnterSys(); -# endif -# if defined(GC_PTHREADS) - static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER; - pthread_mutex_lock(&incr_lock); -# elif defined(GC_WIN32_THREADS) - EnterCriticalSection(&incr_cs); -# endif - if ((int)(GC_word)client_data != t -> level) { - (void)GC_printf("Wrong finalization data - collector is broken\n"); - FAIL; - } - finalized_count++; - t -> level = -1; /* detect duplicate finalization immediately */ -# ifdef PCR - PCR_ThCrSec_ExitSys(); -# endif -# if defined(GC_PTHREADS) - pthread_mutex_unlock(&incr_lock); -# elif defined(GC_WIN32_THREADS) - LeaveCriticalSection(&incr_cs); -# endif -} - -size_t counter = 0; - -# define MAX_FINALIZED 8000 - -# if !defined(MACOS) - GC_FAR GC_word live_indicators[MAX_FINALIZED] = {0}; -#else - /* Too big for THINK_C. have to allocate it dynamically. */ - GC_word *live_indicators = 0; -#endif - -int live_indicators_count = 0; - -tn * mktree(int n) -{ - tn * result = (tn *)GC_MALLOC(sizeof(tn)); - - collectable_count++; -# if defined(MACOS) - /* get around static data limitations. */ - if (!live_indicators) - live_indicators = - (GC_word*)NewPtrClear(MAX_FINALIZED * sizeof(GC_word)); - if (!live_indicators) { - (void)GC_printf("Out of memory\n"); - exit(1); - } -# endif - if (n == 0) return(0); - if (result == 0) { - (void)GC_printf("Out of memory\n"); - exit(1); - } - result -> level = n; - result -> lchild = mktree(n-1); - result -> rchild = mktree(n-1); - if (counter++ % 17 == 0 && n >= 2) { - tn * tmp = result -> lchild -> rchild; - - result -> lchild -> rchild = result -> rchild -> lchild; - result -> rchild -> lchild = tmp; - } - if (counter++ % 119 == 0) { - int my_index; - - { -# ifdef PCR - PCR_ThCrSec_EnterSys(); -# endif -# if defined(GC_PTHREADS) - static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER; - pthread_mutex_lock(&incr_lock); -# elif defined(GC_WIN32_THREADS) - EnterCriticalSection(&incr_cs); -# endif - /* Losing a count here causes erroneous report of failure. */ - finalizable_count++; - my_index = live_indicators_count++; -# ifdef PCR - PCR_ThCrSec_ExitSys(); -# endif -# if defined(GC_PTHREADS) - pthread_mutex_unlock(&incr_lock); -# elif defined(GC_WIN32_THREADS) - LeaveCriticalSection(&incr_cs); -# endif - } - - GC_REGISTER_FINALIZER((void *)result, finalizer, (void *)(GC_word)n, - (GC_finalization_proc *)0, (void * *)0); - if (my_index >= MAX_FINALIZED) { - GC_printf("live_indicators overflowed\n"); - FAIL; - } - live_indicators[my_index] = 13; - if (GC_GENERAL_REGISTER_DISAPPEARING_LINK( - (void * *)(&(live_indicators[my_index])), - (void *)result) != 0) { - GC_printf("GC_general_register_disappearing_link failed\n"); - FAIL; - } - if (GC_unregister_disappearing_link( - (void * *) - (&(live_indicators[my_index]))) == 0) { - GC_printf("GC_unregister_disappearing_link failed\n"); - FAIL; - } - if (GC_GENERAL_REGISTER_DISAPPEARING_LINK( - (void * *)(&(live_indicators[my_index])), - (void *)result) != 0) { - GC_printf("GC_general_register_disappearing_link failed 2\n"); - FAIL; - } - GC_reachable_here(result); - } - return(result); -} - -void chktree(tn *t, int n) -{ - if (n == 0 && t != 0) { - (void)GC_printf("Clobbered a leaf - collector is broken\n"); - FAIL; - } - if (n == 0) return; - if (t -> level != n) { - (void)GC_printf("Lost a node at level %d - collector is broken\n", n); - FAIL; - } - if (counter++ % 373 == 0) { - collectable_count++; - (void) GC_MALLOC(counter%5001); - } - chktree(t -> lchild, n-1); - if (counter++ % 73 == 0) { - collectable_count++; - (void) GC_MALLOC(counter%373); - } - chktree(t -> rchild, n-1); -} - - -#if defined(GC_PTHREADS) -pthread_key_t fl_key; - -void * alloc8bytes() -{ -# if defined(SMALL_CONFIG) || defined(GC_DEBUG) - collectable_count++; - return(GC_MALLOC(8)); -# else - void ** my_free_list_ptr; - void * my_free_list; - - my_free_list_ptr = (void **)pthread_getspecific(fl_key); - if (my_free_list_ptr == 0) { - uncollectable_count++; - my_free_list_ptr = GC_NEW_UNCOLLECTABLE(void *); - if (pthread_setspecific(fl_key, my_free_list_ptr) != 0) { - (void)GC_printf("pthread_setspecific failed\n"); - FAIL; - } - } - my_free_list = *my_free_list_ptr; - if (my_free_list == 0) { - my_free_list = GC_malloc_many(8); - if (my_free_list == 0) { - (void)GC_printf("alloc8bytes out of memory\n"); - FAIL; - } - } - *my_free_list_ptr = GC_NEXT(my_free_list); - GC_NEXT(my_free_list) = 0; - collectable_count++; - return(my_free_list); -# endif -} - -#else -# define alloc8bytes() GC_MALLOC_ATOMIC(8) -#endif - -void alloc_small(int n) -{ - int i; - - for (i = 0; i < n; i += 8) { - atomic_count++; - if (alloc8bytes() == 0) { - (void)GC_printf("Out of memory\n"); - FAIL; - } - } -} - -# if defined(THREADS) && defined(GC_DEBUG) -# ifdef VERY_SMALL_CONFIG -# define TREE_HEIGHT 12 -# else -# define TREE_HEIGHT 15 -# endif -# else -# ifdef VERY_SMALL_CONFIG -# define TREE_HEIGHT 13 -# else -# define TREE_HEIGHT 16 -# endif -# endif -void tree_test() -{ - tn * root; - int i; - - root = mktree(TREE_HEIGHT); -# ifndef VERY_SMALL_CONFIG - alloc_small(5000000); -# endif - chktree(root, TREE_HEIGHT); - if (finalized_count && ! dropped_something) { - (void)GC_printf("Premature finalization - collector is broken\n"); - FAIL; - } - dropped_something = 1; - GC_noop(root); /* Root needs to remain live until */ - /* dropped_something is set. */ - root = mktree(TREE_HEIGHT); - chktree(root, TREE_HEIGHT); - for (i = TREE_HEIGHT; i >= 0; i--) { - root = mktree(i); - chktree(root, i); - } -# ifndef VERY_SMALL_CONFIG - alloc_small(5000000); -# endif -} - -unsigned n_tests = 0; - -GC_word bm_huge[10] = { - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0x00ffffff, -}; - -/* A very simple test of explicitly typed allocation */ -void typed_test() -{ - GC_word * old, * new; - GC_word bm3 = 0x3; - GC_word bm2 = 0x2; - GC_word bm_large = 0xf7ff7fff; - GC_descr d1 = GC_make_descriptor(&bm3, 2); - GC_descr d2 = GC_make_descriptor(&bm2, 2); - GC_descr d3 = GC_make_descriptor(&bm_large, 32); - GC_descr d4 = GC_make_descriptor(bm_huge, 320); - GC_word * x = (GC_word *)GC_malloc_explicitly_typed(2000, d4); - int i; - -# ifndef LINT - (void)GC_make_descriptor(&bm_large, 32); -# endif - collectable_count++; - old = 0; - for (i = 0; i < 4000; i++) { - collectable_count++; - new = (GC_word *) GC_malloc_explicitly_typed(4 * sizeof(GC_word), d1); - if (0 != new[0] || 0 != new[1]) { - GC_printf("Bad initialization by GC_malloc_explicitly_typed\n"); - FAIL; - } - new[0] = 17; - new[1] = (GC_word)old; - old = new; - collectable_count++; - new = (GC_word *) GC_malloc_explicitly_typed(4 * sizeof(GC_word), d2); - new[0] = 17; - new[1] = (GC_word)old; - old = new; - collectable_count++; - new = (GC_word *) GC_malloc_explicitly_typed(33 * sizeof(GC_word), d3); - new[0] = 17; - new[1] = (GC_word)old; - old = new; - collectable_count++; - new = (GC_word *) GC_calloc_explicitly_typed(4, 2 * sizeof(GC_word), - d1); - new[0] = 17; - new[1] = (GC_word)old; - old = new; - collectable_count++; - if (i & 0xff) { - new = (GC_word *) GC_calloc_explicitly_typed(7, 3 * sizeof(GC_word), - d2); - } else { - new = (GC_word *) GC_calloc_explicitly_typed(1001, - 3 * sizeof(GC_word), - d2); - if (0 != new[0] || 0 != new[1]) { - GC_printf("Bad initialization by GC_malloc_explicitly_typed\n"); - FAIL; - } - } - new[0] = 17; - new[1] = (GC_word)old; - old = new; - } - for (i = 0; i < 20000; i++) { - if (new[0] != 17) { - (void)GC_printf("typed alloc failed at %lu\n", - (unsigned long)i); - FAIL; - } - new[0] = 0; - old = new; - new = (GC_word *)(old[1]); - } - GC_gcollect(); - GC_noop(x); -} - -int fail_count = 0; - -#ifndef __STDC__ -/*ARGSUSED*/ -void fail_proc1(x) -void * x; -{ - fail_count++; -} - -#else - -/*ARGSUSED*/ -void fail_proc1(void * x) -{ - fail_count++; -} - -static void uniq(void *p, ...) { - va_list a; - void *q[100]; - int n = 0, i, j; - q[n++] = p; - va_start(a,p); - for (;(q[n] = va_arg(a,void *));n++) ; - va_end(a); - for (i=0; i= (n)) -#endif - -void run_one_test() -{ - char *x; - char **z; -# ifdef LINT - char *y = 0; -# else - char *y = (char *)(size_t)fail_proc1; -# endif - CLOCK_TYPE start_time; - CLOCK_TYPE reverse_time; - CLOCK_TYPE typed_time; - CLOCK_TYPE tree_time; - unsigned long time_diff; - DCL_LOCK_STATE; - -# ifdef FIND_LEAK - GC_printf( - "This test program is not designed for leak detection mode\n"); - GC_printf("Expect lots of problems.\n"); -# endif - GC_FREE(0); -# ifndef DBG_HDRS_ALL - collectable_count += 3; - if ((GC_size(GC_malloc(7)) != 8 && - GC_size(GC_malloc(7)) != MIN_WORDS * sizeof(GC_word)) - || GC_size(GC_malloc(15)) != 16) { - GC_printf("GC_size produced unexpected results\n"); - FAIL; - } - collectable_count += 1; - if (GC_size(GC_malloc(0)) != MIN_WORDS * sizeof(GC_word)) { - GC_printf("GC_malloc(0) failed: GC_size returns %ld\n", - (unsigned long)GC_size(GC_malloc(0))); - FAIL; - } - collectable_count += 1; - if (GC_size(GC_malloc_uncollectable(0)) != MIN_WORDS * sizeof(GC_word)) { - GC_printf("GC_malloc_uncollectable(0) failed\n"); - FAIL; - } - GC_is_valid_displacement_print_proc = fail_proc1; - GC_is_visible_print_proc = fail_proc1; - collectable_count += 1; - x = GC_malloc(16); - if (GC_base(x + 13) != x) { - GC_printf("GC_base(heap ptr) produced incorrect result\n"); - FAIL; - } -# ifndef PCR - if (GC_base(y) != 0) { - GC_printf("GC_base(fn_ptr) produced incorrect result\n"); - FAIL; - } -# endif - if (GC_same_obj(x+5, x) != x + 5) { - GC_printf("GC_same_obj produced incorrect result\n"); - FAIL; - } - if (GC_is_visible(y) != y || GC_is_visible(x) != x) { - GC_printf("GC_is_visible produced incorrect result\n"); - FAIL; - } - z = GC_malloc(8); - GC_PTR_STORE(z, x); - if (*z != x) { - GC_printf("GC_PTR_STORE failed: %p != %p\n", *z, x); - FAIL; - } - if (!TEST_FAIL_COUNT(1)) { -# if!(defined(POWERPC) || defined(IA64)) || defined(M68K) - /* On POWERPCs function pointers point to a descriptor in the */ - /* data segment, so there should have been no failures. */ - /* The same applies to IA64. Something similar seems to */ - /* be going on with NetBSD/M68K. */ - GC_printf("GC_is_visible produced wrong failure indication\n"); - FAIL; -# endif - } - if (GC_is_valid_displacement(y) != y - || GC_is_valid_displacement(x) != x - || GC_is_valid_displacement(x + 3) != x + 3) { - GC_printf( - "GC_is_valid_displacement produced incorrect result\n"); - FAIL; - } -# if defined(__STDC__) && !defined(MSWIN32) && !defined(MSWINCE) - /* Harder to test under Windows without a gc.h declaration. */ - { - size_t i; - extern void *GC_memalign(); - - GC_malloc(17); - for (i = sizeof(GC_word); i < 512; i *= 2) { - GC_word result = (GC_word) GC_memalign(i, 17); - if (result % i != 0 || result == 0 || *(int *)result != 0) FAIL; - } - } -# endif -# ifndef ALL_INTERIOR_POINTERS -# if defined(RS6000) || defined(POWERPC) - if (!TEST_FAIL_COUNT(1)) { -# else - if (GC_all_interior_pointers && !TEST_FAIL_COUNT(1) - || !GC_all_interior_pointers && !TEST_FAIL_COUNT(2)) { -# endif - GC_printf("GC_is_valid_displacement produced wrong failure indication\n"); - FAIL; - } -# endif -# endif /* DBG_HDRS_ALL */ - /* Test floating point alignment */ - collectable_count += 2; - *(double *)GC_MALLOC(sizeof(double)) = 1.0; - *(double *)GC_MALLOC(sizeof(double)) = 1.0; - /* Test size 0 allocation a bit more */ - { - size_t i; - for (i = 0; i < 10000; ++i) { - GC_MALLOC(0); - GC_FREE(GC_MALLOC(0)); - GC_MALLOC_ATOMIC(0); - GC_FREE(GC_MALLOC_ATOMIC(0)); - } - } -# ifdef GC_GCJ_SUPPORT - GC_REGISTER_DISPLACEMENT(sizeof(struct fake_vtable *)); - GC_init_gcj_malloc(0, (void *)fake_gcj_mark_proc); -# endif - /* Make sure that fn arguments are visible to the collector. */ -# ifdef __STDC__ - uniq( - GC_malloc(12), GC_malloc(12), GC_malloc(12), - (GC_gcollect(),GC_malloc(12)), - GC_malloc(12), GC_malloc(12), GC_malloc(12), - (GC_gcollect(),GC_malloc(12)), - GC_malloc(12), GC_malloc(12), GC_malloc(12), - (GC_gcollect(),GC_malloc(12)), - GC_malloc(12), GC_malloc(12), GC_malloc(12), - (GC_gcollect(),GC_malloc(12)), - GC_malloc(12), GC_malloc(12), GC_malloc(12), - (GC_gcollect(),GC_malloc(12)), - (void *)0); -# endif - /* GC_malloc(0) must return NULL or something we can deallocate. */ - GC_free(GC_malloc(0)); - GC_free(GC_malloc_atomic(0)); - GC_free(GC_malloc(0)); - GC_free(GC_malloc_atomic(0)); - /* Repeated list reversal test. */ - GET_TIME(start_time); - reverse_test(); - if (GC_print_stats) { - GET_TIME(reverse_time); - time_diff = MS_TIME_DIFF(reverse_time, start_time); - GC_log_printf("-------------Finished reverse_test at time %u (%p)\n", - (unsigned) time_diff, &start_time); - } -# ifndef DBG_HDRS_ALL - typed_test(); - if (GC_print_stats) { - GET_TIME(typed_time); - time_diff = MS_TIME_DIFF(typed_time, start_time); - GC_log_printf("-------------Finished typed_test at time %u (%p)\n", - (unsigned) time_diff, &start_time); - } -# endif /* DBG_HDRS_ALL */ - tree_test(); - if (GC_print_stats) { - GET_TIME(tree_time); - time_diff = MS_TIME_DIFF(tree_time, start_time); - GC_log_printf("-------------Finished tree_test at time %u (%p)\n", - (unsigned) time_diff, &start_time); - } - LOCK(); - n_tests++; - UNLOCK(); -# if defined(THREADS) && defined(HANDLE_FORK) - if (fork() == 0) { - GC_gcollect(); - tiny_reverse_test(0); - GC_gcollect(); - if (GC_print_stats) - GC_log_printf("Finished a child process\n"); - exit(0); - } -# endif - if (GC_print_stats) - GC_log_printf("Finished %p\n", &start_time); -} - -void check_heap_stats() -{ - size_t max_heap_sz; - int i; - int still_live; - int late_finalize_count = 0; - -# ifdef VERY_SMALL_CONFIG - /* these are something of a guess */ - if (sizeof(char *) > 4) { - max_heap_sz = 4500000; - } else { - max_heap_sz = 2800000; - } -# else - if (sizeof(char *) > 4) { - max_heap_sz = 19000000; - } else { - max_heap_sz = 11000000; - } -# endif -# ifdef GC_DEBUG - max_heap_sz *= 2; -# ifdef SAVE_CALL_CHAIN - max_heap_sz *= 3; -# ifdef SAVE_CALL_COUNT - max_heap_sz += max_heap_sz * SAVE_CALL_COUNT/4; -# endif -# endif -# endif - /* Garbage collect repeatedly so that all inaccessible objects */ - /* can be finalized. */ - while (GC_collect_a_little()) { } - for (i = 0; i < 16; i++) { - GC_gcollect(); - late_finalize_count += GC_invoke_finalizers(); - } - (void)GC_printf("Completed %u tests\n", n_tests); - (void)GC_printf("Allocated %d collectable objects\n", collectable_count); - (void)GC_printf("Allocated %d uncollectable objects\n", - uncollectable_count); - (void)GC_printf("Allocated %d atomic objects\n", atomic_count); - (void)GC_printf("Allocated %d stubborn objects\n", stubborn_count); - (void)GC_printf("Finalized %d/%d objects - ", - finalized_count, finalizable_count); -# ifdef FINALIZE_ON_DEMAND - if (finalized_count != late_finalize_count) { - (void)GC_printf("Demand finalization error\n"); - FAIL; - } -# endif - if (finalized_count > finalizable_count - || finalized_count < finalizable_count/2) { - (void)GC_printf("finalization is probably broken\n"); - FAIL; - } else { - (void)GC_printf("finalization is probably ok\n"); - } - still_live = 0; - for (i = 0; i < MAX_FINALIZED; i++) { - if (live_indicators[i] != 0) { - still_live++; - } - } - i = finalizable_count - finalized_count - still_live; - if (0 != i) { - GC_printf("%d disappearing links remain and %d more objects " - "were not finalized\n", still_live, i); - if (i > 10) { - GC_printf("\tVery suspicious!\n"); - } else { - GC_printf("\tSlightly suspicious, but probably OK.\n"); - } - } - (void)GC_printf("Total number of bytes allocated is %lu\n", - (unsigned long) - (GC_bytes_allocd + GC_bytes_allocd_before_gc)); - (void)GC_printf("Final heap size is %lu bytes\n", - (unsigned long)GC_get_heap_size()); - if (GC_bytes_allocd + GC_bytes_allocd_before_gc -# ifdef VERY_SMALL_CONFIG - < 2700000*n_tests) { -# else - < 33500000*n_tests) { -# endif - (void)GC_printf("Incorrect execution - missed some allocations\n"); - FAIL; - } - if (GC_get_heap_size() > max_heap_sz*n_tests) { - (void)GC_printf("Unexpected heap growth - collector may be broken\n"); - FAIL; - } - (void)GC_printf("Collector appears to work\n"); -} - -#if defined(MACOS) -void SetMinimumStack(long minSize) -{ - long newApplLimit; - - if (minSize > LMGetDefltStack()) - { - newApplLimit = (long) GetApplLimit() - - (minSize - LMGetDefltStack()); - SetApplLimit((Ptr) newApplLimit); - MaxApplZone(); - } -} - -#define cMinStackSpace (512L * 1024L) - -#endif - -#ifdef __STDC__ - void warn_proc(char *msg, GC_word p) -#else - void warn_proc(msg, p) - char *msg; - GC_word p; -#endif -{ - GC_printf(msg, (unsigned long)p); - /*FAIL;*/ -} - - -#if !defined(PCR) \ - && !defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS) \ - || defined(LINT) -#if defined(MSWIN32) && !defined(__MINGW32__) - int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, LPTSTR cmd, int n) -#else - int main() -#endif -{ -# if defined(DJGPP) - int dummy; -# endif - n_tests = 0; - -# if defined(DJGPP) - /* No good way to determine stack base from library; do it */ - /* manually on this platform. */ - GC_stackbottom = (void *)(&dummy); -# endif -# if defined(MACOS) - /* Make sure we have lots and lots of stack space. */ - SetMinimumStack(cMinStackSpace); - /* Cheat and let stdio initialize toolbox for us. */ - printf("Testing GC Macintosh port.\n"); -# endif - GC_COND_INIT(); - GC_set_warn_proc(warn_proc); -# if (defined(MPROTECT_VDB) || defined(PROC_VDB) || defined(GWW_VDB)) \ - && !defined(MAKE_BACK_GRAPH) && !defined(NO_INCREMENTAL) - GC_enable_incremental(); - GC_printf("Switched to incremental mode\n"); -# if defined(MPROTECT_VDB) - GC_printf("Emulating dirty bits with mprotect/signals\n"); -# else -# ifdef PROC_VDB - GC_printf("Reading dirty bits from /proc\n"); -# else - GC_printf("Using DEFAULT_VDB dirty bit implementation\n"); -# endif -# endif -# endif - run_one_test(); - check_heap_stats(); -# ifndef MSWINCE - fflush(stdout); -# endif -# ifdef LINT - /* Entry points we should be testing, but aren't. */ - /* Some can be tested by defining GC_DEBUG at the top of this file */ - /* This is a bit SunOS4 specific. */ - GC_noop(GC_expand_hp, GC_add_roots, GC_clear_roots, - GC_register_disappearing_link, - GC_register_finalizer_ignore_self, - GC_debug_register_displacement, - GC_print_obj, GC_debug_change_stubborn, - GC_debug_end_stubborn_change, GC_debug_malloc_uncollectable, - GC_debug_free, GC_debug_realloc, GC_generic_malloc_words_small, - GC_init, GC_make_closure, GC_debug_invoke_finalizer, - GC_page_was_ever_dirty, GC_is_fresh, - GC_malloc_ignore_off_page, GC_malloc_atomic_ignore_off_page, - GC_set_max_heap_size, GC_get_bytes_since_gc, - GC_get_total_bytes, GC_pre_incr, GC_post_incr); -# endif -# ifdef MSWIN32 - GC_win32_free_heap(); -# endif - return(0); -} -# endif - -#if defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS) - -DWORD __stdcall thr_run_one_test(void *arg) -{ - run_one_test(); - return 0; -} - -#ifdef MSWINCE -HANDLE win_created_h; -HWND win_handle; - -LRESULT CALLBACK window_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) -{ - LRESULT ret = 0; - switch (uMsg) { - case WM_HIBERNATE: - GC_printf("Received WM_HIBERNATE, calling GC_gcollect\n"); - GC_gcollect(); - break; - case WM_CLOSE: - GC_printf("Received WM_CLOSE, closing window\n"); - DestroyWindow(hwnd); - break; - case WM_DESTROY: - PostQuitMessage(0); - break; - default: - ret = DefWindowProc(hwnd, uMsg, wParam, lParam); - break; - } - return ret; -} - -DWORD __stdcall thr_window(void *arg) -{ - WNDCLASS win_class = { - CS_NOCLOSE, - window_proc, - 0, - 0, - GetModuleHandle(NULL), - NULL, - NULL, - (HBRUSH)(COLOR_APPWORKSPACE+1), - NULL, - L"GCtestWindow" - }; - MSG msg; - - if (!RegisterClass(&win_class)) - FAIL; - - win_handle = CreateWindowEx( - 0, - L"GCtestWindow", - L"GCtest", - 0, - CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, - NULL, - NULL, - GetModuleHandle(NULL), - NULL); - - if (win_handle == NULL) - FAIL; - - SetEvent(win_created_h); - - ShowWindow(win_handle, SW_SHOW); - UpdateWindow(win_handle); - - while (GetMessage(&msg, NULL, 0, 0)) { - TranslateMessage(&msg); - DispatchMessage(&msg); - } - - return 0; -} -#endif - -#define NTEST 2 - -# ifdef MSWINCE -int APIENTRY GC_WinMain(HINSTANCE instance, HINSTANCE prev, LPWSTR cmd, int n) -# else -int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, LPSTR cmd, int n) -# endif -{ -# if NTEST > 0 - HANDLE h[NTEST]; - int i; -# endif -# ifdef MSWINCE - HANDLE win_thr_h; -# endif - DWORD thread_id; - -# ifdef GC_DLL - GC_use_DllMain(); /* Test with implicit thread registration if possible. */ - GC_printf("Using DllMain to track threads\n"); -# endif - GC_COND_INIT(); -# ifndef NO_INCREMENTAL - GC_enable_incremental(); -# endif - InitializeCriticalSection(&incr_cs); - (void) GC_set_warn_proc(warn_proc); -# ifdef MSWINCE - win_created_h = CreateEvent(NULL, FALSE, FALSE, NULL); - if (win_created_h == (HANDLE)NULL) { - (void)GC_printf("Event creation failed %\n", GetLastError()); - FAIL; - } - win_thr_h = GC_CreateThread(NULL, 0, thr_window, 0, 0, &thread_id); - if (win_thr_h == (HANDLE)NULL) { - (void)GC_printf("Thread creation failed %d\n", GetLastError()); - FAIL; - } - if (WaitForSingleObject(win_created_h, INFINITE) != WAIT_OBJECT_0) - FAIL; - CloseHandle(win_created_h); -# endif -# if NTEST > 0 - for (i = 0; i < NTEST; i++) { - h[i] = GC_CreateThread(NULL, 0, thr_run_one_test, 0, 0, &thread_id); - if (h[i] == (HANDLE)NULL) { - (void)GC_printf("Thread creation failed %d\n", GetLastError()); - FAIL; - } - } -# endif /* NTEST > 0 */ - run_one_test(); -# if NTEST > 0 - for (i = 0; i < NTEST; i++) { - if (WaitForSingleObject(h[i], INFINITE) != WAIT_OBJECT_0) { - (void)GC_printf("Thread wait failed %d\n", GetLastError()); - FAIL; - } - } -# endif /* NTEST > 0 */ -# ifdef MSWINCE - PostMessage(win_handle, WM_CLOSE, 0, 0); - if (WaitForSingleObject(win_thr_h, INFINITE) != WAIT_OBJECT_0) - FAIL; -# endif - check_heap_stats(); - return(0); -} - -#endif /* GC_WIN32_THREADS */ - - -#ifdef PCR -test() -{ - PCR_Th_T * th1; - PCR_Th_T * th2; - int code; - - n_tests = 0; - /* GC_enable_incremental(); */ - (void) GC_set_warn_proc(warn_proc); - th1 = PCR_Th_Fork(run_one_test, 0); - th2 = PCR_Th_Fork(run_one_test, 0); - run_one_test(); - if (PCR_Th_T_Join(th1, &code, NIL, PCR_allSigsBlocked, PCR_waitForever) - != PCR_ERes_okay || code != 0) { - (void)GC_printf("Thread 1 failed\n"); - } - if (PCR_Th_T_Join(th2, &code, NIL, PCR_allSigsBlocked, PCR_waitForever) - != PCR_ERes_okay || code != 0) { - (void)GC_printf("Thread 2 failed\n"); - } - check_heap_stats(); - return(0); -} -#endif - -#if defined(GC_PTHREADS) -void * thr_run_one_test(void * arg) -{ - run_one_test(); - return(0); -} - -#ifdef GC_DEBUG -# define GC_free GC_debug_free -#endif - -int main() -{ - pthread_t th1; - pthread_t th2; - pthread_attr_t attr; - int code; -# ifdef GC_IRIX_THREADS - /* Force a larger stack to be preallocated */ - /* Since the initial cant always grow later. */ - *((volatile char *)&code - 1024*1024) = 0; /* Require 1 Mb */ -# endif /* GC_IRIX_THREADS */ -# if defined(GC_HPUX_THREADS) - /* Default stack size is too small, especially with the 64 bit ABI */ - /* Increase it. */ - if (pthread_default_stacksize_np(1024*1024, 0) != 0) { - (void)GC_printf("pthread_default_stacksize_np failed.\n"); - } -# endif /* GC_HPUX_THREADS */ -# ifdef PTW32_STATIC_LIB - pthread_win32_process_attach_np (); - pthread_win32_thread_attach_np (); -# endif - GC_COND_INIT(); - - pthread_attr_init(&attr); -# if defined(GC_IRIX_THREADS) || defined(GC_FREEBSD_THREADS) \ - || defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS) - pthread_attr_setstacksize(&attr, 1000000); -# endif - n_tests = 0; -# if (defined(MPROTECT_VDB)) \ - && !defined(PARALLEL_MARK) &&!defined(REDIRECT_MALLOC) \ - && !defined(MAKE_BACK_GRAPH) && !defined(USE_PROC_FOR_LIBRARIES) \ - && !defined(NO_INCREMENTAL) - GC_enable_incremental(); - (void) GC_printf("Switched to incremental mode\n"); -# if defined(MPROTECT_VDB) - (void)GC_printf("Emulating dirty bits with mprotect/signals\n"); -# else -# ifdef PROC_VDB - (void)GC_printf("Reading dirty bits from /proc\n"); -# else - (void)GC_printf("Using DEFAULT_VDB dirty bit implementation\n"); -# endif -# endif -# endif - (void) GC_set_warn_proc(warn_proc); - if ((code = pthread_key_create(&fl_key, 0)) != 0) { - (void)GC_printf("Key creation failed %d\n", code); - FAIL; - } - if ((code = pthread_create(&th1, &attr, thr_run_one_test, 0)) != 0) { - (void)GC_printf("Thread 1 creation failed %d\n", code); - FAIL; - } - if ((code = pthread_create(&th2, &attr, thr_run_one_test, 0)) != 0) { - (void)GC_printf("Thread 2 creation failed %d\n", code); - FAIL; - } - run_one_test(); - if ((code = pthread_join(th1, 0)) != 0) { - (void)GC_printf("Thread 1 failed %d\n", code); - FAIL; - } - if (pthread_join(th2, 0) != 0) { - (void)GC_printf("Thread 2 failed %d\n", code); - FAIL; - } - check_heap_stats(); - (void)fflush(stdout); - pthread_attr_destroy(&attr); - GC_printf("Completed %d collections\n", GC_gc_no); -# ifdef PTW32_STATIC_LIB - pthread_win32_thread_detach_np (); - pthread_win32_process_detach_np (); -# endif - return(0); -} -#endif /* GC_PTHREADS */ diff --git a/vendor/gc/tests/test_cpp.cc b/vendor/gc/tests/test_cpp.cc deleted file mode 100644 index 9bf53de..0000000 --- a/vendor/gc/tests/test_cpp.cc +++ /dev/null @@ -1,292 +0,0 @@ -/**************************************************************************** -Copyright (c) 1994 by Xerox Corporation. All rights reserved. - -THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - -Permission is hereby granted to use or copy this program for any -purpose, provided the above notices are retained on all copies. -Permission to modify the code and to distribute modified code is -granted, provided the above notices are retained, and a notice that -the code was modified is included with the above copyright notice. -**************************************************************************** -Last modified on Mon Jul 10 21:06:03 PDT 1995 by ellis - modified on December 20, 1994 7:27 pm PST by boehm - -usage: test_cpp number-of-iterations - -This program tries to test the specific C++ functionality provided by -gc_c++.h that isn't tested by the more general test routines of the -collector. - -A recommended value for number-of-iterations is 10, which will take a -few minutes to complete. - -***************************************************************************/ - -#include "gc_cpp.h" -#include -#include -#include -#define USE_STD_ALLOCATOR -#ifdef USE_STD_ALLOCATOR -# include "gc_allocator.h" -#elif __GNUC__ -# include "new_gc_alloc.h" -#else -# include "gc_alloc.h" -#endif -extern "C" { -# include "private/gcconfig.h" - GC_API void GC_printf(const char *format, ...); - /* Use GC private output to reach the same log file. */ - /* Don't include gc_priv.h, since that may include Windows system */ - /* header files that don't take kindly to this context. */ -} -#ifdef MSWIN32 -# include -#endif -#ifdef GC_NAME_CONFLICT -# define USE_GC UseGC - struct foo * GC; -#else -# define USE_GC GC -#endif - - -#define my_assert( e ) \ - if (! (e)) { \ - GC_printf( "Assertion failure in " __FILE__ ", line %d: " #e "\n", \ - __LINE__ ); \ - exit( 1 ); } - - -class A {public: - /* An uncollectable class. */ - - A( int iArg ): i( iArg ) {} - void Test( int iArg ) { - my_assert( i == iArg );} - int i;}; - - -class B: public gc, public A {public: - /* A collectable class. */ - - B( int j ): A( j ) {} - ~B() { - my_assert( deleting );} - static void Deleting( int on ) { - deleting = on;} - static int deleting;}; - -int B::deleting = 0; - - -class C: public gc_cleanup, public A {public: - /* A collectable class with cleanup and virtual multiple inheritance. */ - - C( int levelArg ): A( levelArg ), level( levelArg ) { - nAllocated++; - if (level > 0) { - left = new C( level - 1 ); - right = new C( level - 1 );} - else { - left = right = 0;}} - ~C() { - this->A::Test( level ); - nFreed++; - my_assert( level == 0 ? - left == 0 && right == 0 : - level == left->level + 1 && level == right->level + 1 ); - left = right = 0; - level = -123456;} - static void Test() { - my_assert( nFreed <= nAllocated && nFreed >= .8 * nAllocated );} - - static int nFreed; - static int nAllocated; - int level; - C* left; - C* right;}; - -int C::nFreed = 0; -int C::nAllocated = 0; - - -class D: public gc {public: - /* A collectable class with a static member function to be used as - an explicit clean-up function supplied to ::new. */ - - D( int iArg ): i( iArg ) { - nAllocated++;} - static void CleanUp( void* obj, void* data ) { - D* self = (D*) obj; - nFreed++; - my_assert( self->i == (int) (GC_word) data );} - static void Test() { - my_assert( nFreed >= .8 * nAllocated );} - - int i; - static int nFreed; - static int nAllocated;}; - -int D::nFreed = 0; -int D::nAllocated = 0; - - -class E: public gc_cleanup {public: - /* A collectable class with clean-up for use by F. */ - - E() { - nAllocated++;} - ~E() { - nFreed++;} - - static int nFreed; - static int nAllocated;}; - -int E::nFreed = 0; -int E::nAllocated = 0; - - -class F: public E {public: - /* A collectable class with clean-up, a base with clean-up, and a - member with clean-up. */ - - F() { - nAllocated++;} - ~F() { - nFreed++;} - static void Test() { - my_assert( nFreed >= .8 * nAllocated ); - my_assert( 2 * nFreed == E::nFreed );} - - E e; - static int nFreed; - static int nAllocated;}; - -int F::nFreed = 0; -int F::nAllocated = 0; - - -GC_word Disguise( void* p ) { - return ~ (GC_word) p;} - -void* Undisguise( GC_word i ) { - return (void*) ~ i;} - - -#ifdef MSWIN32 -int APIENTRY WinMain( - HINSTANCE instance, HINSTANCE prev, LPSTR cmd, int cmdShow ) -{ - int argc; - char* argv[ 3 ]; - - for (argc = 1; argc < sizeof( argv ) / sizeof( argv[ 0 ] ); argc++) { - argv[ argc ] = strtok( argc == 1 ? cmd : 0, " \t" ); - if (0 == argv[ argc ]) break;} - -#else -# ifdef MACOS - int main() { -# else - int main( int argc, char* argv[] ) { -# endif -#endif - - GC_INIT(); - -# if defined(MACOS) // MacOS - char* argv_[] = {"test_cpp", "10"}; // doesn't - argv = argv_; // have a - argc = sizeof(argv_)/sizeof(argv_[0]); // commandline -# endif - int i, iters, n; -# ifdef USE_STD_ALLOCATOR - int *x = gc_allocator().allocate(1); - int **xptr = traceable_allocator().allocate(1); -# else -# ifdef __GNUC__ - int *x = (int *)gc_alloc::allocate(sizeof(int)); -# else - int *x = (int *)alloc::allocate(sizeof(int)); -# endif -# endif - *x = 29; -# ifdef USE_STD_ALLOCATOR - *xptr = x; - x = 0; -# endif - if (argc != 2 || (0 >= (n = atoi( argv[ 1 ] )))) { - GC_printf( "usage: test_cpp number-of-iterations\nAssuming 10 iters\n" ); - n = 10;} - - for (iters = 1; iters <= n; iters++) { - GC_printf( "Starting iteration %d\n", iters ); - - /* Allocate some uncollectable As and disguise their pointers. - Later we'll check to see if the objects are still there. We're - checking to make sure these objects really are uncollectable. */ - GC_word as[ 1000 ]; - GC_word bs[ 1000 ]; - for (i = 0; i < 1000; i++) { - as[ i ] = Disguise( new (NoGC) A( i ) ); - bs[ i ] = Disguise( new (NoGC) B( i ) );} - - /* Allocate a fair number of finalizable Cs, Ds, and Fs. - Later we'll check to make sure they've gone away. */ - for (i = 0; i < 1000; i++) { - C* c = new C( 2 ); - C c1( 2 ); /* stack allocation should work too */ - D* d = ::new (USE_GC, D::CleanUp, (void*)(GC_word)i) D( i ); - F* f = new F; - if (0 == i % 10) delete c;} - - /* Allocate a very large number of collectable As and Bs and - drop the references to them immediately, forcing many - collections. */ - for (i = 0; i < 1000000; i++) { - A* a = new (USE_GC) A( i ); - B* b = new B( i ); - b = new (USE_GC) B( i ); - if (0 == i % 10) { - B::Deleting( 1 ); - delete b; - B::Deleting( 0 );} -# ifdef FINALIZE_ON_DEMAND - GC_invoke_finalizers(); -# endif - } - - /* Make sure the uncollectable As and Bs are still there. */ - for (i = 0; i < 1000; i++) { - A* a = (A*) Undisguise( as[ i ] ); - B* b = (B*) Undisguise( bs[ i ] ); - a->Test( i ); - delete a; - b->Test( i ); - B::Deleting( 1 ); - delete b; - B::Deleting( 0 ); -# ifdef FINALIZE_ON_DEMAND - GC_invoke_finalizers(); -# endif - - } - - /* Make sure most of the finalizable Cs, Ds, and Fs have - gone away. */ - C::Test(); - D::Test(); - F::Test();} - -# ifdef USE_STD_ALLOCATOR - x = *xptr; -# endif - my_assert (29 == x[0]); - GC_printf( "The test appears to have succeeded.\n" ); - return( 0 );} - - diff --git a/vendor/gc/tests/tests.am b/vendor/gc/tests/tests.am deleted file mode 100644 index a9c0e73..0000000 --- a/vendor/gc/tests/tests.am +++ /dev/null @@ -1,71 +0,0 @@ -# -# -# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED -# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. -# -# Permission is hereby granted to use or copy this program -# for any purpose, provided the above notices are retained on all copies. -# Permission to modify the code and to distribute modified code is granted, -# provided the above notices are retained, and a notice that the code was -# modified is included with the above copyright notice. - - -## FIXME: trace_test doesn't work on macosx 10.3 -## gcc -g -O2 -o .libs/tracetest trace_test.o ../.libs/libgc.dylib -lpthread -## ld: Undefined symbols: -## _GC_generate_random_backtrace - - -# Common libs to _LDADD for all tests. -test_ldadd = $(top_builddir)/libgc.la $(EXTRA_TEST_LIBS) - - -TESTS += gctest$(EXEEXT) -check_PROGRAMS += gctest -gctest_SOURCES = tests/test.c -gctest_LDADD = $(test_ldadd) -gctest_DEPENDENCIES = $(top_builddir)/libgc.la - -TESTS += leaktest$(EXEEXT) -check_PROGRAMS += leaktest -leaktest_SOURCES = tests/leak_test.c -leaktest_LDADD = $(test_ldadd) - -TESTS += middletest$(EXEEXT) -check_PROGRAMS += middletest -middletest_SOURCES = tests/middle.c -middletest_LDADD = $(test_ldadd) - -TESTS += smashtest$(EXEEXT) -check_PROGRAMS += smashtest -smashtest_SOURCES = tests/smash_test.c -smashtest_LDADD = $(test_ldadd) - -TESTS += hugetest$(EXEEXT) -check_PROGRAMS += hugetest -hugetest_SOURCES = tests/huge_test.c -hugetest_LDADD = $(test_ldadd) - -#TESTS += tracetest$(EXEEXT) -#check_PROGRAMS += tracetest -#tracetest_SOURCES = tests/trace_test.c -#tracetest_LDADD = $(test_ldadd) - -if THREADS -TESTS += threadleaktest$(EXEEXT) -check_PROGRAMS += threadleaktest -threadleaktest_SOURCES = tests/thread_leak_test.c -threadleaktest_LDADD = $(test_ldadd) -endif - -if CPLUSPLUS -TESTS += test_cpp$(EXEEXT) -check_PROGRAMS += test_cpp -test_cpp_SOURCES = tests/test_cpp.cc -if AVOID_CPP_LIB -test_cpp_LDADD = gc_cpp.o $(test_ldadd) -else -test_cpp_LDADD = libgccpp.la $(test_ldadd) -endif -endif - diff --git a/vendor/gc/tests/thread_leak_test.c b/vendor/gc/tests/thread_leak_test.c deleted file mode 100644 index f2c15e9..0000000 --- a/vendor/gc/tests/thread_leak_test.c +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef GC_THREADS -# define GC_THREADS -#endif /* GC_THREADS */ -#include "leak_detector.h" -#include -#include - -void * test(void * arg) { - int *p[10]; - int i; - GC_find_leak = 1; /* for new collect versions not compiled */ - /* with -DFIND_LEAK. */ - for (i = 0; i < 10; ++i) { - p[i] = malloc(sizeof(int)+i); - } - CHECK_LEAKS(); - for (i = 1; i < 10; ++i) { - free(p[i]); - } - return 0; -} - -#define NTHREADS 5 - -main() { - int i; - pthread_t t[NTHREADS]; - int code; - - GC_INIT(); - for (i = 0; i < NTHREADS; ++i) { - if ((code = pthread_create(t + i, 0, test, 0)) != 0) { - printf("Thread creation failed %d\n", code); - } - } - for (i = 0; i < NTHREADS; ++i) { - if ((code = pthread_join(t[i], 0)) != 0) { - printf("Thread join failed %lu\n", code); - } - } - CHECK_LEAKS(); - CHECK_LEAKS(); - CHECK_LEAKS(); - return 0; -} diff --git a/vendor/gc/thread_local_alloc.c b/vendor/gc/thread_local_alloc.c deleted file mode 100644 index 5988175..0000000 --- a/vendor/gc/thread_local_alloc.c +++ /dev/null @@ -1,331 +0,0 @@ -/* - * Copyright (c) 2000-2005 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ -#include "private/gc_priv.h" - -# if defined(THREAD_LOCAL_ALLOC) - -#include "private/thread_local_alloc.h" -#include "gc_inline.h" - -# include - -#if defined(USE_COMPILER_TLS) - __thread -#elif defined(USE_WIN32_COMPILER_TLS) - __declspec(thread) -#endif -GC_key_t GC_thread_key; - -static GC_bool keys_initialized; - -/* Return a single nonempty freelist fl to the global one pointed to */ -/* by gfl. */ - -static void return_single_freelist(void *fl, void **gfl) -{ - void *q, **qptr; - - if (*gfl == 0) { - *gfl = fl; - } else { - GC_ASSERT(GC_size(fl) == GC_size(*gfl)); - /* Concatenate: */ - for (qptr = &(obj_link(fl)), q = *qptr; - (word)q >= HBLKSIZE; qptr = &(obj_link(q)), q = *qptr); - GC_ASSERT(0 == q); - *qptr = *gfl; - *gfl = fl; - } -} - -/* Recover the contents of the freelist array fl into the global one gfl.*/ -/* We hold the allocator lock. */ -static void return_freelists(void **fl, void **gfl) -{ - int i; - - for (i = 1; i < TINY_FREELISTS; ++i) { - if ((word)(fl[i]) >= HBLKSIZE) { - return_single_freelist(fl[i], gfl+i); - } - /* Clear fl[i], since the thread structure may hang around. */ - /* Do it in a way that is likely to trap if we access it. */ - fl[i] = (ptr_t)HBLKSIZE; - } - /* The 0 granule freelist really contains 1 granule objects. */ -# ifdef GC_GCJ_SUPPORT - if (fl[0] == ERROR_FL) return; -# endif - if ((word)(fl[0]) >= HBLKSIZE) { - return_single_freelist(fl[0], gfl+1); - } -} - -/* Each thread structure must be initialized. */ -/* This call must be made from the new thread. */ -void GC_init_thread_local(GC_tlfs p) -{ - int i; - - GC_ASSERT(I_HOLD_LOCK()); - if (!keys_initialized) { - if (0 != GC_key_create(&GC_thread_key, 0)) { - ABORT("Failed to create key for local allocator"); - } - keys_initialized = TRUE; - } - if (0 != GC_setspecific(GC_thread_key, p)) { - ABORT("Failed to set thread specific allocation pointers"); - } - for (i = 1; i < TINY_FREELISTS; ++i) { - p -> ptrfree_freelists[i] = (void *)1; - p -> normal_freelists[i] = (void *)1; -# ifdef GC_GCJ_SUPPORT - p -> gcj_freelists[i] = (void *)1; -# endif - } - /* Set up the size 0 free lists. */ - /* We now handle most of them like regular free lists, to ensure */ - /* That explicit deallocation works. However, allocation of a */ - /* size 0 "gcj" object is always an error. */ - p -> ptrfree_freelists[0] = (void *)1; - p -> normal_freelists[0] = (void *)1; -# ifdef GC_GCJ_SUPPORT - p -> gcj_freelists[0] = ERROR_FL; -# endif -} - -#ifdef GC_GCJ_SUPPORT - extern void ** GC_gcjobjfreelist; -#endif - -/* We hold the allocator lock. */ -void GC_destroy_thread_local(GC_tlfs p) -{ - /* We currently only do this from the thread itself or from */ - /* the fork handler for a child process. */ -# ifndef HANDLE_FORK - GC_ASSERT(GC_getspecific(GC_thread_key) == (void *)p); -# endif - return_freelists(p -> ptrfree_freelists, GC_aobjfreelist); - return_freelists(p -> normal_freelists, GC_objfreelist); -# ifdef GC_GCJ_SUPPORT - return_freelists(p -> gcj_freelists, GC_gcjobjfreelist); -# endif -} - -#if defined(GC_ASSERTIONS) && defined(GC_PTHREADS) && !defined(CYGWIN32) \ - && !defined(GC_WIN32_PTHREADS) -# include - extern char * GC_lookup_thread(pthread_t id); -#endif - -#if defined(GC_ASSERTIONS) && defined(GC_WIN32_THREADS) - extern char * GC_lookup_thread(int id); -#endif - -void * GC_malloc(size_t bytes) -{ - size_t granules = ROUNDED_UP_GRANULES(bytes); - void *tsd; - void *result; - void **tiny_fl; - -# if !defined(USE_PTHREAD_SPECIFIC) && !defined(USE_WIN32_SPECIFIC) - GC_key_t k = GC_thread_key; - if (EXPECT(0 == k, 0)) { - /* We haven't yet run GC_init_parallel. That means */ - /* we also aren't locking, so this is fairly cheap. */ - return GC_core_malloc(bytes); - } - tsd = GC_getspecific(k); -# else - tsd = GC_getspecific(GC_thread_key); -# endif -# if defined(USE_PTHREAD_SPECIFIC) || defined(USE_WIN32_SPECIFIC) - if (EXPECT(0 == tsd, 0)) { - return GC_core_malloc(bytes); - } -# endif - GC_ASSERT(GC_is_initialized); -# ifdef GC_ASSERTIONS - /* We can't check tsd correctly, since we don't have access to */ - /* the right declarations. But we can check that it's close. */ - LOCK(); - { -# if defined(GC_WIN32_THREADS) - char * me = (char *)GC_lookup_thread_inner(GetCurrentThreadId()); -# else - char * me = GC_lookup_thread(pthread_self()); -# endif - GC_ASSERT((char *)tsd > me && (char *)tsd < me + 1000); - } - UNLOCK(); -# endif - tiny_fl = ((GC_tlfs)tsd) -> normal_freelists; - GC_FAST_MALLOC_GRANS(result, granules, tiny_fl, DIRECT_GRANULES, - NORMAL, GC_core_malloc(bytes), obj_link(result)=0); -# ifdef LOG_ALLOCS - GC_err_printf("GC_malloc(%d) = %p : %d\n", bytes, result, GC_gc_no); -# endif - return result; -} - -void * GC_malloc_atomic(size_t bytes) -{ - size_t granules = ROUNDED_UP_GRANULES(bytes); - void *tsd; - void *result; - void **tiny_fl; - -# if !defined(USE_PTHREAD_SPECIFIC) && !defined(USE_WIN32_SPECIFIC) - GC_key_t k = GC_thread_key; - if (EXPECT(0 == k, 0)) { - /* We haven't yet run GC_init_parallel. That means */ - /* we also aren't locking, so this is fairly cheap. */ - return GC_core_malloc(bytes); - } - tsd = GC_getspecific(k); -# else - tsd = GC_getspecific(GC_thread_key); -# endif -# if defined(USE_PTHREAD_SPECIFIC) || defined(USE_WIN32_SPECIFIC) - if (EXPECT(0 == tsd, 0)) { - return GC_core_malloc(bytes); - } -# endif - GC_ASSERT(GC_is_initialized); - tiny_fl = ((GC_tlfs)tsd) -> ptrfree_freelists; - GC_FAST_MALLOC_GRANS(result, granules, tiny_fl, DIRECT_GRANULES, - PTRFREE, GC_core_malloc_atomic(bytes), 0/* no init */); - return result; -} - -#ifdef GC_GCJ_SUPPORT - -#include "include/gc_gcj.h" - -#ifdef GC_ASSERTIONS - extern GC_bool GC_gcj_malloc_initialized; -#endif - -extern int GC_gcj_kind; - -/* Gcj-style allocation without locks is extremely tricky. The */ -/* fundamental issue is that we may end up marking a free list, which */ -/* has freelist links instead of "vtable" pointers. That is usually */ -/* OK, since the next object on the free list will be cleared, and */ -/* will thus be interpreted as containg a zero descriptor. That's fine */ -/* if the object has not yet been initialized. But there are */ -/* interesting potential races. */ -/* In the case of incremental collection, this seems hopeless, since */ -/* the marker may run asynchronously, and may pick up the pointer to */ -/* the next freelist entry (which it thinks is a vtable pointer), get */ -/* suspended for a while, and then see an allocated object instead */ -/* of the vtable. This made be avoidable with either a handshake with */ -/* the collector or, probably more easily, by moving the free list */ -/* links to the second word of each object. The latter isn't a */ -/* universal win, since on architecture like Itanium, nonzero offsets */ -/* are not necessarily free. And there may be cache fill order issues. */ -/* For now, we punt with incremental GC. This probably means that */ -/* incremental GC should be enabled before we fork a second thread. */ -/* Unlike the other thread local allocation calls, we assume that the */ -/* collector has been explicitly initialized. */ -void * GC_gcj_malloc(size_t bytes, - void * ptr_to_struct_containing_descr) -{ - if (GC_EXPECT(GC_incremental, 0)) { - return GC_core_gcj_malloc(bytes, ptr_to_struct_containing_descr); - } else { - size_t granules = ROUNDED_UP_GRANULES(bytes); - void *result; - void **tiny_fl = ((GC_tlfs)GC_getspecific(GC_thread_key)) - -> gcj_freelists; - GC_ASSERT(GC_gcj_malloc_initialized); - GC_FAST_MALLOC_GRANS(result, granules, tiny_fl, DIRECT_GRANULES, - GC_gcj_kind, - GC_core_gcj_malloc(bytes, - ptr_to_struct_containing_descr), - {AO_compiler_barrier(); - *(void **)result = ptr_to_struct_containing_descr;}); - /* This forces the initialization of the "method ptr". */ - /* This is necessary to ensure some very subtle properties */ - /* required if a GC is run in the middle of such an allocation. */ - /* Here we implicitly also assume atomicity for the free list. */ - /* and method pointer assignments. */ - /* We must update the freelist before we store the pointer. */ - /* Otherwise a GC at this point would see a corrupted */ - /* free list. */ - /* A real memory barrier is not needed, since the */ - /* action of stopping this thread will cause prior writes */ - /* to complete. */ - /* We assert that any concurrent marker will stop us. */ - /* Thus it is impossible for a mark procedure to see the */ - /* allocation of the next object, but to see this object */ - /* still containing a free list pointer. Otherwise the */ - /* marker, by misinterpreting the freelist link as a vtable */ - /* pointer, might find a random "mark descriptor" in the next */ - /* object. */ - return result; - } -} - -#endif /* GC_GCJ_SUPPORT */ - -/* The thread support layer must arrange to mark thread-local */ -/* free lists explicitly, since the link field is often */ -/* invisible to the marker. It knows hoe to find all threads; */ -/* we take care of an individual thread freelist structure. */ -void GC_mark_thread_local_fls_for(GC_tlfs p) -{ - ptr_t q; - int j; - - for (j = 1; j < TINY_FREELISTS; ++j) { - q = p -> ptrfree_freelists[j]; - if ((word)q > HBLKSIZE) GC_set_fl_marks(q); - q = p -> normal_freelists[j]; - if ((word)q > HBLKSIZE) GC_set_fl_marks(q); -# ifdef GC_GCJ_SUPPORT - q = p -> gcj_freelists[j]; - if ((word)q > HBLKSIZE) GC_set_fl_marks(q); -# endif /* GC_GCJ_SUPPORT */ - } -} - -#if defined(GC_ASSERTIONS) - /* Check that all thread-local free-lists in p are completely marked. */ - void GC_check_tls_for(GC_tlfs p) - { - ptr_t q; - int j; - - for (j = 1; j < TINY_FREELISTS; ++j) { - q = p -> ptrfree_freelists[j]; - if ((word)q > HBLKSIZE) GC_check_fl_marks(q); - q = p -> normal_freelists[j]; - if ((word)q > HBLKSIZE) GC_check_fl_marks(q); -# ifdef GC_GCJ_SUPPORT - q = p -> gcj_freelists[j]; - if ((word)q > HBLKSIZE) GC_check_fl_marks(q); -# endif /* GC_GCJ_SUPPORT */ - } - } -#endif /* GC_ASSERTIONS */ - -# else /* !THREAD_LOCAL_ALLOC */ - -# define GC_destroy_thread_local(t) - -# endif /* !THREAD_LOCAL_ALLOC */ - diff --git a/vendor/gc/threadlibs.c b/vendor/gc/threadlibs.c deleted file mode 100644 index f2ab582..0000000 --- a/vendor/gc/threadlibs.c +++ /dev/null @@ -1,63 +0,0 @@ -# include "gc_config_macros.h" -# include "private/gcconfig.h" -# include - -int main() -{ -# if defined(GC_USE_LD_WRAP) - printf("-Wl,--wrap -Wl,dlopen " - "-Wl,--wrap -Wl,pthread_create -Wl,--wrap -Wl,pthread_join " - "-Wl,--wrap -Wl,pthread_detach " - "-Wl,--wrap -Wl,pthread_sigmask -Wl,--wrap -Wl,sleep\n"); -# endif -# if defined(GC_LINUX_THREADS) || defined(GC_IRIX_THREADS) \ - || defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS) \ - || defined(GC_GNU_THREADS) -# ifdef GC_USE_DLOPEN_WRAP - printf("-ldl "); -# endif - printf("-lpthread\n"); -# endif -# if defined(GC_FREEBSD_THREADS) -# ifdef GC_USE_DLOPEN_WRAP - printf("-ldl "); -# endif -# if (__FREEBSD_version >= 500000) - printf("-lpthread\n"); -# else - printf("-pthread\n"); -# endif -# endif -# if defined(GC_NETBSD_THREADS) - printf("-lpthread -lrt\n"); -# endif - -# if defined(GC_HPUX_THREADS) || defined(GC_OSF1_THREADS) - printf("-lpthread -lrt\n"); -# endif -# if defined(GC_SOLARIS_THREADS) - printf("-lthread -lposix4\n"); - /* Is this right for recent versions? */ -# endif -# if defined(GC_WIN32_THREADS) && defined(CYGWIN32) - printf("-lpthread\n"); -# endif -# if defined(GC_WIN32_PTHREADS) -# ifdef PTW32_STATIC_LIB - /* assume suffix s for static version of the win32 pthread library */ - printf("-lpthreadGC2s -lws2_32\n"); -# else - printf("-lpthreadGC2\n"); -# endif -# endif -# if defined(GC_OSF1_THREADS) - printf("-pthread -lrt"); /* DOB: must be -pthread, not -lpthread */ -# endif - /* You need GCC 3.0.3 to build this one! */ - /* DG/UX native gcc doesnt know what "-pthread" is */ -# if defined(GC_DGUX386_THREADS) - printf("-ldl -pthread\n"); -# endif - return 0; -} - diff --git a/vendor/gc/typd_mlc.c b/vendor/gc/typd_mlc.c deleted file mode 100644 index ae529d3..0000000 --- a/vendor/gc/typd_mlc.c +++ /dev/null @@ -1,729 +0,0 @@ -/* - * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. - * opyright (c) 1999-2000 by Hewlett-Packard Company. All rights reserved. - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ - - -/* - * Some simple primitives for allocation with explicit type information. - * Simple objects are allocated such that they contain a GC_descr at the - * end (in the last allocated word). This descriptor may be a procedure - * which then examines an extended descriptor passed as its environment. - * - * Arrays are treated as simple objects if they have sufficiently simple - * structure. Otherwise they are allocated from an array kind that supplies - * a special mark procedure. These arrays contain a pointer to a - * complex_descriptor as their last word. - * This is done because the environment field is too small, and the collector - * must trace the complex_descriptor. - * - * Note that descriptors inside objects may appear cleared, if we encounter a - * false refrence to an object on a free list. In the GC_descr case, this - * is OK, since a 0 descriptor corresponds to examining no fields. - * In the complex_descriptor case, we explicitly check for that case. - * - * MAJOR PARTS OF THIS CODE HAVE NOT BEEN TESTED AT ALL and are not testable, - * since they are not accessible through the current interface. - */ - -#include "private/gc_pmark.h" -#include "gc_typed.h" - -# define TYPD_EXTRA_BYTES (sizeof(word) - EXTRA_BYTES) - -GC_bool GC_explicit_typing_initialized = FALSE; - -int GC_explicit_kind; /* Object kind for objects with indirect */ - /* (possibly extended) descriptors. */ - -int GC_array_kind; /* Object kind for objects with complex */ - /* descriptors and GC_array_mark_proc. */ - -/* Extended descriptors. GC_typed_mark_proc understands these. */ -/* These are used for simple objects that are larger than what */ -/* can be described by a BITMAP_BITS sized bitmap. */ -typedef struct { - word ed_bitmap; /* lsb corresponds to first word. */ - GC_bool ed_continued; /* next entry is continuation. */ -} ext_descr; - -/* Array descriptors. GC_array_mark_proc understands these. */ -/* We may eventually need to add provisions for headers and */ -/* trailers. Hence we provide for tree structured descriptors, */ -/* though we don't really use them currently. */ -typedef union ComplexDescriptor { - struct LeafDescriptor { /* Describes simple array */ - word ld_tag; -# define LEAF_TAG 1 - size_t ld_size; /* bytes per element */ - /* multiple of ALIGNMENT */ - size_t ld_nelements; /* Number of elements. */ - GC_descr ld_descriptor; /* A simple length, bitmap, */ - /* or procedure descriptor. */ - } ld; - struct ComplexArrayDescriptor { - word ad_tag; -# define ARRAY_TAG 2 - size_t ad_nelements; - union ComplexDescriptor * ad_element_descr; - } ad; - struct SequenceDescriptor { - word sd_tag; -# define SEQUENCE_TAG 3 - union ComplexDescriptor * sd_first; - union ComplexDescriptor * sd_second; - } sd; -} complex_descriptor; -#define TAG ld.ld_tag - -ext_descr * GC_ext_descriptors; /* Points to array of extended */ - /* descriptors. */ - -size_t GC_ed_size = 0; /* Current size of above arrays. */ -# define ED_INITIAL_SIZE 100; - -size_t GC_avail_descr = 0; /* Next available slot. */ - -int GC_typed_mark_proc_index; /* Indices of my mark */ -int GC_array_mark_proc_index; /* procedures. */ - -static void GC_push_typed_structures_proc (void) -{ - GC_push_all((ptr_t)&GC_ext_descriptors, (ptr_t)&GC_ext_descriptors + sizeof(word)); -} - -/* Add a multiword bitmap to GC_ext_descriptors arrays. Return */ -/* starting index. */ -/* Returns -1 on failure. */ -/* Caller does not hold allocation lock. */ -signed_word GC_add_ext_descriptor(GC_bitmap bm, word nbits) -{ - size_t nwords = divWORDSZ(nbits + WORDSZ-1); - signed_word result; - size_t i; - word last_part; - size_t extra_bits; - DCL_LOCK_STATE; - - LOCK(); - while (GC_avail_descr + nwords >= GC_ed_size) { - ext_descr * new; - size_t new_size; - word ed_size = GC_ed_size; - - if (ed_size == 0) { - GC_push_typed_structures = GC_push_typed_structures_proc; - UNLOCK(); - new_size = ED_INITIAL_SIZE; - } else { - UNLOCK(); - new_size = 2 * ed_size; - if (new_size > MAX_ENV) return(-1); - } - new = (ext_descr *) GC_malloc_atomic(new_size * sizeof(ext_descr)); - if (new == 0) return(-1); - LOCK(); - if (ed_size == GC_ed_size) { - if (GC_avail_descr != 0) { - BCOPY(GC_ext_descriptors, new, - GC_avail_descr * sizeof(ext_descr)); - } - GC_ed_size = new_size; - GC_ext_descriptors = new; - } /* else another thread already resized it in the meantime */ - } - result = GC_avail_descr; - for (i = 0; i < nwords-1; i++) { - GC_ext_descriptors[result + i].ed_bitmap = bm[i]; - GC_ext_descriptors[result + i].ed_continued = TRUE; - } - last_part = bm[i]; - /* Clear irrelevant bits. */ - extra_bits = nwords * WORDSZ - nbits; - last_part <<= extra_bits; - last_part >>= extra_bits; - GC_ext_descriptors[result + i].ed_bitmap = last_part; - GC_ext_descriptors[result + i].ed_continued = FALSE; - GC_avail_descr += nwords; - UNLOCK(); - return(result); -} - -/* Table of bitmap descriptors for n word long all pointer objects. */ -GC_descr GC_bm_table[WORDSZ/2]; - -/* Return a descriptor for the concatenation of 2 nwords long objects, */ -/* each of which is described by descriptor. */ -/* The result is known to be short enough to fit into a bitmap */ -/* descriptor. */ -/* Descriptor is a GC_DS_LENGTH or GC_DS_BITMAP descriptor. */ -GC_descr GC_double_descr(GC_descr descriptor, word nwords) -{ - if ((descriptor & GC_DS_TAGS) == GC_DS_LENGTH) { - descriptor = GC_bm_table[BYTES_TO_WORDS((word)descriptor)]; - }; - descriptor |= (descriptor & ~GC_DS_TAGS) >> nwords; - return(descriptor); -} - -complex_descriptor * GC_make_sequence_descriptor(); - -/* Build a descriptor for an array with nelements elements, */ -/* each of which can be described by a simple descriptor. */ -/* We try to optimize some common cases. */ -/* If the result is COMPLEX, then a complex_descr* is returned */ -/* in *complex_d. */ -/* If the result is LEAF, then we built a LeafDescriptor in */ -/* the structure pointed to by leaf. */ -/* The tag in the leaf structure is not set. */ -/* If the result is SIMPLE, then a GC_descr */ -/* is returned in *simple_d. */ -/* If the result is NO_MEM, then */ -/* we failed to allocate the descriptor. */ -/* The implementation knows that GC_DS_LENGTH is 0. */ -/* *leaf, *complex_d, and *simple_d may be used as temporaries */ -/* during the construction. */ -# define COMPLEX 2 -# define LEAF 1 -# define SIMPLE 0 -# define NO_MEM (-1) -int GC_make_array_descriptor(size_t nelements, size_t size, GC_descr descriptor, - GC_descr *simple_d, - complex_descriptor **complex_d, - struct LeafDescriptor * leaf) -{ -# define OPT_THRESHOLD 50 - /* For larger arrays, we try to combine descriptors of adjacent */ - /* descriptors to speed up marking, and to reduce the amount */ - /* of space needed on the mark stack. */ - if ((descriptor & GC_DS_TAGS) == GC_DS_LENGTH) { - if (descriptor == (GC_descr)size) { - *simple_d = nelements * descriptor; - return(SIMPLE); - } else if ((word)descriptor == 0) { - *simple_d = (GC_descr)0; - return(SIMPLE); - } - } - if (nelements <= OPT_THRESHOLD) { - if (nelements <= 1) { - if (nelements == 1) { - *simple_d = descriptor; - return(SIMPLE); - } else { - *simple_d = (GC_descr)0; - return(SIMPLE); - } - } - } else if (size <= BITMAP_BITS/2 - && (descriptor & GC_DS_TAGS) != GC_DS_PROC - && (size & (sizeof(word)-1)) == 0) { - int result = - GC_make_array_descriptor(nelements/2, 2*size, - GC_double_descr(descriptor, - BYTES_TO_WORDS(size)), - simple_d, complex_d, leaf); - if ((nelements & 1) == 0) { - return(result); - } else { - struct LeafDescriptor * one_element = - (struct LeafDescriptor *) - GC_malloc_atomic(sizeof(struct LeafDescriptor)); - - if (result == NO_MEM || one_element == 0) return(NO_MEM); - one_element -> ld_tag = LEAF_TAG; - one_element -> ld_size = size; - one_element -> ld_nelements = 1; - one_element -> ld_descriptor = descriptor; - switch(result) { - case SIMPLE: - { - struct LeafDescriptor * beginning = - (struct LeafDescriptor *) - GC_malloc_atomic(sizeof(struct LeafDescriptor)); - if (beginning == 0) return(NO_MEM); - beginning -> ld_tag = LEAF_TAG; - beginning -> ld_size = size; - beginning -> ld_nelements = 1; - beginning -> ld_descriptor = *simple_d; - *complex_d = GC_make_sequence_descriptor( - (complex_descriptor *)beginning, - (complex_descriptor *)one_element); - break; - } - case LEAF: - { - struct LeafDescriptor * beginning = - (struct LeafDescriptor *) - GC_malloc_atomic(sizeof(struct LeafDescriptor)); - if (beginning == 0) return(NO_MEM); - beginning -> ld_tag = LEAF_TAG; - beginning -> ld_size = leaf -> ld_size; - beginning -> ld_nelements = leaf -> ld_nelements; - beginning -> ld_descriptor = leaf -> ld_descriptor; - *complex_d = GC_make_sequence_descriptor( - (complex_descriptor *)beginning, - (complex_descriptor *)one_element); - break; - } - case COMPLEX: - *complex_d = GC_make_sequence_descriptor( - *complex_d, - (complex_descriptor *)one_element); - break; - } - return(COMPLEX); - } - } - { - leaf -> ld_size = size; - leaf -> ld_nelements = nelements; - leaf -> ld_descriptor = descriptor; - return(LEAF); - } -} - -complex_descriptor * GC_make_sequence_descriptor(complex_descriptor *first, - complex_descriptor *second) -{ - struct SequenceDescriptor * result = - (struct SequenceDescriptor *) - GC_malloc(sizeof(struct SequenceDescriptor)); - /* Can't result in overly conservative marking, since tags are */ - /* very small integers. Probably faster than maintaining type */ - /* info. */ - if (result != 0) { - result -> sd_tag = SEQUENCE_TAG; - result -> sd_first = first; - result -> sd_second = second; - } - return((complex_descriptor *)result); -} - -#ifdef UNDEFINED -complex_descriptor * GC_make_complex_array_descriptor(word nelements, - complex_descriptor *descr) -{ - struct ComplexArrayDescriptor * result = - (struct ComplexArrayDescriptor *) - GC_malloc(sizeof(struct ComplexArrayDescriptor)); - - if (result != 0) { - result -> ad_tag = ARRAY_TAG; - result -> ad_nelements = nelements; - result -> ad_element_descr = descr; - } - return((complex_descriptor *)result); -} -#endif - -ptr_t * GC_eobjfreelist; - -ptr_t * GC_arobjfreelist; - -mse * GC_typed_mark_proc(word * addr, mse * mark_stack_ptr, - mse * mark_stack_limit, word env); - -mse * GC_array_mark_proc(word * addr, mse * mark_stack_ptr, - mse * mark_stack_limit, word env); - -/* Caller does not hold allocation lock. */ -void GC_init_explicit_typing(void) -{ - register int i; - DCL_LOCK_STATE; - - - /* Ignore gcc "no effect" warning. */ - GC_STATIC_ASSERT(sizeof(struct LeafDescriptor) % sizeof(word) == 0); - LOCK(); - if (GC_explicit_typing_initialized) { - UNLOCK(); - return; - } - GC_explicit_typing_initialized = TRUE; - /* Set up object kind with simple indirect descriptor. */ - GC_eobjfreelist = (ptr_t *)GC_new_free_list_inner(); - GC_explicit_kind = GC_new_kind_inner( - (void **)GC_eobjfreelist, - (((word)WORDS_TO_BYTES(-1)) | GC_DS_PER_OBJECT), - TRUE, TRUE); - /* Descriptors are in the last word of the object. */ - GC_typed_mark_proc_index = GC_new_proc_inner(GC_typed_mark_proc); - /* Set up object kind with array descriptor. */ - GC_arobjfreelist = (ptr_t *)GC_new_free_list_inner(); - GC_array_mark_proc_index = GC_new_proc_inner(GC_array_mark_proc); - GC_array_kind = GC_new_kind_inner( - (void **)GC_arobjfreelist, - GC_MAKE_PROC(GC_array_mark_proc_index, 0), - FALSE, TRUE); - for (i = 0; i < WORDSZ/2; i++) { - GC_descr d = (((word)(-1)) >> (WORDSZ - i)) << (WORDSZ - i); - d |= GC_DS_BITMAP; - GC_bm_table[i] = d; - } - UNLOCK(); -} - -mse * GC_typed_mark_proc(word * addr, mse * mark_stack_ptr, - mse * mark_stack_limit, word env) -{ - word bm = GC_ext_descriptors[env].ed_bitmap; - word * current_p = addr; - word current; - ptr_t greatest_ha = GC_greatest_plausible_heap_addr; - ptr_t least_ha = GC_least_plausible_heap_addr; - DECLARE_HDR_CACHE; - - INIT_HDR_CACHE; - for (; bm != 0; bm >>= 1, current_p++) { - if (bm & 1) { - current = *current_p; - FIXUP_POINTER(current); - if ((ptr_t)current >= least_ha && (ptr_t)current <= greatest_ha) { - PUSH_CONTENTS((ptr_t)current, mark_stack_ptr, - mark_stack_limit, current_p, exit1); - } - } - } - if (GC_ext_descriptors[env].ed_continued) { - /* Push an entry with the rest of the descriptor back onto the */ - /* stack. Thus we never do too much work at once. Note that */ - /* we also can't overflow the mark stack unless we actually */ - /* mark something. */ - mark_stack_ptr++; - if (mark_stack_ptr >= mark_stack_limit) { - mark_stack_ptr = GC_signal_mark_stack_overflow(mark_stack_ptr); - } - mark_stack_ptr -> mse_start = (ptr_t)(addr + WORDSZ); - mark_stack_ptr -> mse_descr = - GC_MAKE_PROC(GC_typed_mark_proc_index, env+1); - } - return(mark_stack_ptr); -} - -/* Return the size of the object described by d. It would be faster to */ -/* store this directly, or to compute it as part of */ -/* GC_push_complex_descriptor, but hopefully it doesn't matter. */ -word GC_descr_obj_size(complex_descriptor *d) -{ - switch(d -> TAG) { - case LEAF_TAG: - return(d -> ld.ld_nelements * d -> ld.ld_size); - case ARRAY_TAG: - return(d -> ad.ad_nelements - * GC_descr_obj_size(d -> ad.ad_element_descr)); - case SEQUENCE_TAG: - return(GC_descr_obj_size(d -> sd.sd_first) - + GC_descr_obj_size(d -> sd.sd_second)); - default: - ABORT("Bad complex descriptor"); - /*NOTREACHED*/ return 0; /*NOTREACHED*/ - } -} - -/* Push descriptors for the object at addr with complex descriptor d */ -/* onto the mark stack. Return 0 if the mark stack overflowed. */ -mse * GC_push_complex_descriptor(word *addr, complex_descriptor *d, - mse *msp, mse *msl) -{ - register ptr_t current = (ptr_t) addr; - register word nelements; - register word sz; - register word i; - - switch(d -> TAG) { - case LEAF_TAG: - { - register GC_descr descr = d -> ld.ld_descriptor; - - nelements = d -> ld.ld_nelements; - if (msl - msp <= (ptrdiff_t)nelements) return(0); - sz = d -> ld.ld_size; - for (i = 0; i < nelements; i++) { - msp++; - msp -> mse_start = current; - msp -> mse_descr = descr; - current += sz; - } - return(msp); - } - case ARRAY_TAG: - { - register complex_descriptor *descr = d -> ad.ad_element_descr; - - nelements = d -> ad.ad_nelements; - sz = GC_descr_obj_size(descr); - for (i = 0; i < nelements; i++) { - msp = GC_push_complex_descriptor((word *)current, descr, - msp, msl); - if (msp == 0) return(0); - current += sz; - } - return(msp); - } - case SEQUENCE_TAG: - { - sz = GC_descr_obj_size(d -> sd.sd_first); - msp = GC_push_complex_descriptor((word *)current, d -> sd.sd_first, - msp, msl); - if (msp == 0) return(0); - current += sz; - msp = GC_push_complex_descriptor((word *)current, d -> sd.sd_second, - msp, msl); - return(msp); - } - default: - ABORT("Bad complex descriptor"); - /*NOTREACHED*/ return 0; /*NOTREACHED*/ - } -} - -/*ARGSUSED*/ -mse * GC_array_mark_proc(word * addr, mse * mark_stack_ptr, - mse * mark_stack_limit, word env) -{ - hdr * hhdr = HDR(addr); - size_t sz = hhdr -> hb_sz; - size_t nwords = BYTES_TO_WORDS(sz); - complex_descriptor * descr = (complex_descriptor *)(addr[nwords-1]); - mse * orig_mark_stack_ptr = mark_stack_ptr; - mse * new_mark_stack_ptr; - - if (descr == 0) { - /* Found a reference to a free list entry. Ignore it. */ - return(orig_mark_stack_ptr); - } - /* In use counts were already updated when array descriptor was */ - /* pushed. Here we only replace it by subobject descriptors, so */ - /* no update is necessary. */ - new_mark_stack_ptr = GC_push_complex_descriptor(addr, descr, - mark_stack_ptr, - mark_stack_limit-1); - if (new_mark_stack_ptr == 0) { - /* Doesn't fit. Conservatively push the whole array as a unit */ - /* and request a mark stack expansion. */ - /* This cannot cause a mark stack overflow, since it replaces */ - /* the original array entry. */ - GC_mark_stack_too_small = TRUE; - new_mark_stack_ptr = orig_mark_stack_ptr + 1; - new_mark_stack_ptr -> mse_start = (ptr_t)addr; - new_mark_stack_ptr -> mse_descr = sz | GC_DS_LENGTH; - } else { - /* Push descriptor itself */ - new_mark_stack_ptr++; - new_mark_stack_ptr -> mse_start = (ptr_t)(addr + nwords - 1); - new_mark_stack_ptr -> mse_descr = sizeof(word) | GC_DS_LENGTH; - } - return new_mark_stack_ptr; -} - -GC_descr GC_make_descriptor(GC_bitmap bm, size_t len) -{ - signed_word last_set_bit = len - 1; - GC_descr result; - signed_word i; -# define HIGH_BIT (((word)1) << (WORDSZ - 1)) - - if (!GC_explicit_typing_initialized) GC_init_explicit_typing(); - while (last_set_bit >= 0 && !GC_get_bit(bm, last_set_bit)) last_set_bit --; - if (last_set_bit < 0) return(0 /* no pointers */); -# if ALIGNMENT == CPP_WORDSZ/8 - { - register GC_bool all_bits_set = TRUE; - for (i = 0; i < last_set_bit; i++) { - if (!GC_get_bit(bm, i)) { - all_bits_set = FALSE; - break; - } - } - if (all_bits_set) { - /* An initial section contains all pointers. Use length descriptor. */ - return (WORDS_TO_BYTES(last_set_bit+1) | GC_DS_LENGTH); - } - } -# endif - if (last_set_bit < BITMAP_BITS) { - /* Hopefully the common case. */ - /* Build bitmap descriptor (with bits reversed) */ - result = HIGH_BIT; - for (i = last_set_bit - 1; i >= 0; i--) { - result >>= 1; - if (GC_get_bit(bm, i)) result |= HIGH_BIT; - } - result |= GC_DS_BITMAP; - return(result); - } else { - signed_word index; - - index = GC_add_ext_descriptor(bm, (word)last_set_bit+1); - if (index == -1) return(WORDS_TO_BYTES(last_set_bit+1) | GC_DS_LENGTH); - /* Out of memory: use conservative */ - /* approximation. */ - result = GC_MAKE_PROC(GC_typed_mark_proc_index, (word)index); - return result; - } -} - -ptr_t GC_clear_stack(); - -#define GENERAL_MALLOC(lb,k) \ - (void *)GC_clear_stack(GC_generic_malloc((word)lb, k)) - -#define GENERAL_MALLOC_IOP(lb,k) \ - (void *)GC_clear_stack(GC_generic_malloc_ignore_off_page(lb, k)) - -void * GC_malloc_explicitly_typed(size_t lb, GC_descr d) -{ - ptr_t op; - ptr_t * opp; - size_t lg; - DCL_LOCK_STATE; - - lb += TYPD_EXTRA_BYTES; - if(SMALL_OBJ(lb)) { - lg = GC_size_map[lb]; - opp = &(GC_eobjfreelist[lg]); - LOCK(); - if( (op = *opp) == 0 ) { - UNLOCK(); - op = (ptr_t)GENERAL_MALLOC((word)lb, GC_explicit_kind); - if (0 == op) return 0; - lg = GC_size_map[lb]; /* May have been uninitialized. */ - } else { - *opp = obj_link(op); - obj_link(op) = 0; - GC_bytes_allocd += GRANULES_TO_BYTES(lg); - UNLOCK(); - } - } else { - op = (ptr_t)GENERAL_MALLOC((word)lb, GC_explicit_kind); - if (op != NULL) - lg = BYTES_TO_GRANULES(GC_size(op)); - } - if (op != NULL) - ((word *)op)[GRANULES_TO_WORDS(lg) - 1] = d; - return((void *) op); -} - -void * GC_malloc_explicitly_typed_ignore_off_page(size_t lb, GC_descr d) -{ -ptr_t op; -ptr_t * opp; -size_t lg; -DCL_LOCK_STATE; - - lb += TYPD_EXTRA_BYTES; - if( SMALL_OBJ(lb) ) { - lg = GC_size_map[lb]; - opp = &(GC_eobjfreelist[lg]); - LOCK(); - if( (op = *opp) == 0 ) { - UNLOCK(); - op = (ptr_t)GENERAL_MALLOC_IOP(lb, GC_explicit_kind); - lg = GC_size_map[lb]; /* May have been uninitialized. */ - } else { - *opp = obj_link(op); - obj_link(op) = 0; - GC_bytes_allocd += GRANULES_TO_BYTES(lg); - UNLOCK(); - } - } else { - op = (ptr_t)GENERAL_MALLOC_IOP(lb, GC_explicit_kind); - if (op != NULL) - lg = BYTES_TO_WORDS(GC_size(op)); - } - if (op != NULL) - ((word *)op)[GRANULES_TO_WORDS(lg) - 1] = d; - return((void *) op); -} - -void * GC_calloc_explicitly_typed(size_t n, size_t lb, GC_descr d) -{ -ptr_t op; -ptr_t * opp; -size_t lg; -GC_descr simple_descr; -complex_descriptor *complex_descr; -register int descr_type; -struct LeafDescriptor leaf; -DCL_LOCK_STATE; - - descr_type = GC_make_array_descriptor((word)n, (word)lb, d, - &simple_descr, &complex_descr, &leaf); - switch(descr_type) { - case NO_MEM: return(0); - case SIMPLE: return(GC_malloc_explicitly_typed(n*lb, simple_descr)); - case LEAF: - lb *= n; - lb += sizeof(struct LeafDescriptor) + TYPD_EXTRA_BYTES; - break; - case COMPLEX: - lb *= n; - lb += TYPD_EXTRA_BYTES; - break; - } - if( SMALL_OBJ(lb) ) { - lg = GC_size_map[lb]; - opp = &(GC_arobjfreelist[lg]); - LOCK(); - if( (op = *opp) == 0 ) { - UNLOCK(); - op = (ptr_t)GENERAL_MALLOC((word)lb, GC_array_kind); - if (0 == op) return(0); - lg = GC_size_map[lb]; /* May have been uninitialized. */ - } else { - *opp = obj_link(op); - obj_link(op) = 0; - GC_bytes_allocd += GRANULES_TO_BYTES(lg); - UNLOCK(); - } - } else { - op = (ptr_t)GENERAL_MALLOC((word)lb, GC_array_kind); - if (0 == op) return(0); - lg = BYTES_TO_GRANULES(GC_size(op)); - } - if (descr_type == LEAF) { - /* Set up the descriptor inside the object itself. */ - volatile struct LeafDescriptor * lp = - (struct LeafDescriptor *) - ((word *)op - + GRANULES_TO_WORDS(lg) - - (BYTES_TO_WORDS(sizeof(struct LeafDescriptor)) + 1)); - - lp -> ld_tag = LEAF_TAG; - lp -> ld_size = leaf.ld_size; - lp -> ld_nelements = leaf.ld_nelements; - lp -> ld_descriptor = leaf.ld_descriptor; - ((volatile word *)op)[GRANULES_TO_WORDS(lg) - 1] = (word)lp; - } else { - extern unsigned GC_finalization_failures; - unsigned ff = GC_finalization_failures; - size_t lw = GRANULES_TO_WORDS(lg); - - ((word *)op)[lw - 1] = (word)complex_descr; - /* Make sure the descriptor is cleared once there is any danger */ - /* it may have been collected. */ - (void) - GC_general_register_disappearing_link((void * *) - ((word *)op+lw-1), - (void *) op); - if (ff != GC_finalization_failures) { - /* Couldn't register it due to lack of memory. Punt. */ - /* This will probably fail too, but gives the recovery code */ - /* a chance. */ - return(GC_malloc(n*lb)); - } - } - return((void *) op); -} diff --git a/vendor/gc/win32_threads.c b/vendor/gc/win32_threads.c deleted file mode 100755 index 272af63..0000000 --- a/vendor/gc/win32_threads.c +++ /dev/null @@ -1,1572 +0,0 @@ -#include "private/gc_priv.h" - -#if defined(GC_WIN32_THREADS) - -#include - -#ifdef THREAD_LOCAL_ALLOC -# include "private/thread_local_alloc.h" -#endif /* THREAD_LOCAL_ALLOC */ - -/* Allocation lock declarations. */ -#if !defined(USE_PTHREAD_LOCKS) -# if defined(GC_DLL) - __declspec(dllexport) CRITICAL_SECTION GC_allocate_ml; -# else - CRITICAL_SECTION GC_allocate_ml; -# endif - DWORD GC_lock_holder = NO_THREAD; - /* Thread id for current holder of allocation lock */ -#else - pthread_mutex_t GC_allocate_ml = PTHREAD_MUTEX_INITIALIZER; - unsigned long GC_lock_holder = NO_THREAD; -#endif - -#ifdef GC_PTHREADS -# include - -/* GC_DLL should not normally be defined, especially since we often do turn */ -/* on THREAD_LOCAL_ALLOC, which is currently incompatible. */ -/* It might be possible to get GC_DLL and DllMain-based thread registration */ -/* to work with Cygwin, but if you try you are on your own. */ -#ifdef GC_DLL -# error GC_DLL untested with Cygwin -#endif - - /* Cygwin-specific forward decls */ -# undef pthread_create -# undef pthread_sigmask -# undef pthread_join -# undef pthread_detach -# undef dlopen - -# ifdef DEBUG_THREADS -# ifdef CYGWIN32 -# define DEBUG_CYGWIN_THREADS 1 -# define DEBUG_WIN32_PTHREADS 0 -# else -# define DEBUG_WIN32_PTHREADS 1 -# define DEBUG_CYGWIN_THREADS 0 -# endif -# else -# define DEBUG_CYGWIN_THREADS 0 -# define DEBUG_WIN32_PTHREADS 0 -# endif - - void * GC_pthread_start(void * arg); - void GC_thread_exit_proc(void *arg); - -# include - -#else - -# ifdef DEBUG_THREADS -# define DEBUG_WIN32_THREADS 1 -# else -# define DEBUG_WIN32_THREADS 0 -# endif - -# undef CreateThread -# undef ExitThread -# undef _beginthreadex -# undef _endthreadex -# undef _beginthread -# ifdef DEBUG_THREADS -# define DEBUG_WIN32_THREADS 1 -# else -# define DEBUG_WIN32_THREADS 0 -# endif - -# include /* For _beginthreadex, _endthreadex */ - -#endif - -#if defined(GC_DLL) && !defined(MSWINCE) - static GC_bool GC_win32_dll_threads = FALSE; - /* This code operates in two distinct modes, depending on */ - /* the setting of GC_win32_dll_threads. If */ - /* GC_win32_dll_threads is set, all threads in the process */ - /* are implicitly registered with the GC by DllMain. */ - /* No explicit registration is required, and attempts at */ - /* explicit registration are ignored. This mode is */ - /* very different from the Posix operation of the collector. */ - /* In this mode access to the thread table is lock-free. */ - /* Hence there is a static limit on the number of threads. */ - - /* If GC_win32_dll_threads is FALSE, or the collector is */ - /* built without GC_DLL defined, things operate in a way */ - /* that is very similar to Posix platforms, and new threads */ - /* must be registered with the collector, e.g. by using */ - /* preprocessor-based interception of the thread primitives. */ - /* In this case, we use a real data structure for the thread */ - /* table. Note that there is no equivalent of linker-based */ - /* call interception, since we don't have ELF-like */ - /* facilities. The Windows analog appears to be "API */ - /* hooking", which really seems to be a standard way to */ - /* do minor binary rewriting (?). I'd prefer not to have */ - /* the basic collector rely on such facilities, but an */ - /* optional package that intercepts thread calls this way */ - /* would probably be nice. */ - - /* GC_win32_dll_threads must be set at initialization time, */ - /* i.e. before any collector or thread calls. We make it a */ - /* "dynamic" option only to avoid multiple library versions. */ -#else -# define GC_win32_dll_threads FALSE -#endif - -/* We have two versions of the thread table. Which one */ -/* we us depends on whether or not GC_win32_dll_threads */ -/* is set. Note that before initialization, we don't */ -/* add any entries to either table, even if DllMain is */ -/* called. The main thread will be added on */ -/* initialization. */ - -/* The type of the first argument to InterlockedExchange. */ -/* Documented to be LONG volatile *, but at least gcc likes */ -/* this better. */ -typedef LONG * IE_t; - -GC_bool GC_thr_initialized = FALSE; - -GC_bool GC_need_to_lock = FALSE; - -static GC_bool parallel_initialized = FALSE; - -void GC_init_parallel(void); - -#ifdef GC_DLL - /* Turn on GC_win32_dll_threads */ - GC_API void GC_use_DllMain(void) - { -# ifdef THREAD_LOCAL_ALLOC - ABORT("Cannot use thread local allocation with DllMain-based " - "thread registration."); - /* Thread-local allocation really wants to lock at thread */ - /* entry and exit. */ -# endif - GC_ASSERT(!parallel_initialized); - GC_win32_dll_threads = TRUE; - GC_init_parallel(); - } -#else - GC_API void GC_use_DllMain(void) - { - ABORT("GC not configured as DLL"); - } -#endif - -DWORD GC_main_thread = 0; - -struct GC_Thread_Rep { - union { - AO_t tm_in_use; /* Updated without lock. */ - /* We assert that unused */ - /* entries have invalid ids of */ - /* zero and zero stack fields. */ - /* Used only with GC_win32_dll_threads. */ - struct GC_Thread_Rep * tm_next; - /* Hash table link without */ - /* GC_win32_dll_threads. */ - /* More recently allocated threads */ - /* with a given pthread id come */ - /* first. (All but the first are */ - /* guaranteed to be dead, but we may */ - /* not yet have registered the join.) */ - } table_management; -# define in_use table_management.tm_in_use -# define next table_management.tm_next - DWORD id; - HANDLE handle; - ptr_t stack_base; /* The cold end of the stack. */ - /* 0 ==> entry not valid. */ - /* !in_use ==> stack_base == 0 */ - GC_bool suspended; - -# ifdef GC_PTHREADS - void *status; /* hold exit value until join in case it's a pointer */ - pthread_t pthread_id; - short flags; /* Protected by GC lock. */ -# define FINISHED 1 /* Thread has exited. */ -# define DETACHED 2 /* Thread is intended to be detached. */ -# define KNOWN_FINISHED(t) (((t) -> flags) & FINISHED) -# else -# define KNOWN_FINISHED(t) 0 -# endif -# ifdef THREAD_LOCAL_ALLOC - struct thread_local_freelists tlfs; -# endif -}; - -typedef struct GC_Thread_Rep * GC_thread; -typedef volatile struct GC_Thread_Rep * GC_vthread; - -/* - * We assumed that volatile ==> memory ordering, at least among - * volatiles. This code should consistently use atomic_ops. - */ - -volatile GC_bool GC_please_stop = FALSE; - -/* - * We track thread attachments while the world is supposed to be stopped. - * Unfortunately, we can't stop them from starting, since blocking in - * DllMain seems to cause the world to deadlock. Thus we have to recover - * If we notice this in the middle of marking. - */ - -AO_t GC_attached_thread = FALSE; -/* Return TRUE if an thread was attached since we last asked or */ -/* since GC_attached_thread was explicitly reset. */ -GC_bool GC_started_thread_while_stopped(void) -{ - AO_t result; - - if (GC_win32_dll_threads) { - AO_nop_full(); /* Prior heap reads need to complete earlier. */ - result = AO_load(&GC_attached_thread); - if (result) { - AO_store(&GC_attached_thread, FALSE); - } - return ((GC_bool)result); - } else { - return FALSE; - } -} - -/* Thread table used if GC_win32_dll_threads is set. */ -/* This is a fixed size array. */ -/* Since we use runtime conditionals, both versions */ -/* are always defined. */ -# ifndef MAX_THREADS -# define MAX_THREADS 512 -# endif - /* Things may get quite slow for large numbers of threads, */ - /* since we look them up with sequential search. */ - - volatile struct GC_Thread_Rep dll_thread_table[MAX_THREADS]; - - volatile LONG GC_max_thread_index = 0; - /* Largest index in dll_thread_table */ - /* that was ever used. */ - -/* And now the version used if GC_win32_dll_threads is not set. */ -/* This is a chained hash table, with much of the code borrowed */ -/* From the Posix implementation. */ -# define THREAD_TABLE_SZ 256 /* Must be power of 2 */ - GC_thread GC_threads[THREAD_TABLE_SZ]; - - -/* Add a thread to GC_threads. We assume it wasn't already there. */ -/* Caller holds allocation lock. */ -/* Unlike the pthreads version, the id field is set by the caller. */ -GC_thread GC_new_thread(DWORD id) -{ - word hv = ((word)id) % THREAD_TABLE_SZ; - GC_thread result; - /* It may not be safe to allocate when we register the first thread. */ - static struct GC_Thread_Rep first_thread; - static GC_bool first_thread_used = FALSE; - - GC_ASSERT(I_HOLD_LOCK()); - if (!first_thread_used) { - result = &first_thread; - first_thread_used = TRUE; - } else { - GC_ASSERT(!GC_win32_dll_threads); - result = (struct GC_Thread_Rep *) - GC_INTERNAL_MALLOC(sizeof(struct GC_Thread_Rep), NORMAL); -# ifdef GC_PTHREADS - /* result can be NULL -> segfault */ - GC_ASSERT(result -> flags == 0); -# endif - } - if (result == 0) return(0); - /* result -> id = id; Done by caller. */ - result -> next = GC_threads[hv]; - GC_threads[hv] = result; -# ifdef GC_PTHREADS - GC_ASSERT(result -> flags == 0 /* && result -> thread_blocked == 0 */); -# endif - return(result); -} - -extern LONG WINAPI GC_write_fault_handler(struct _EXCEPTION_POINTERS *exc_info); - -#if defined(GWW_VDB) && defined(MPROTECT_VDB) - extern GC_bool GC_gww_dirty_init(void); - /* Defined in os_dep.c. Returns TRUE if GetWriteWatch is available. */ - /* may be called repeatedly. */ -#endif - -GC_bool GC_in_thread_creation = FALSE; /* Protected by allocation lock. */ - -/* - * This may be called from DllMain, and hence operates under unusual - * constraints. In particular, it must be lock-free if GC_win32_dll_threads - * is set. Always called from the thread being added. - * If GC_win32_dll_threads is not set, we already hold the allocation lock, - * except possibly during single-threaded start-up code. - */ -static GC_thread GC_register_my_thread_inner(struct GC_stack_base *sb, - DWORD thread_id) -{ - GC_vthread me; - - /* The following should be a noop according to the win32 */ - /* documentation. There is empirical evidence that it */ - /* isn't. - HB */ -# if defined(MPROTECT_VDB) -# if defined(GWW_VDB) - if (GC_incremental && !GC_gww_dirty_init()) - SetUnhandledExceptionFilter(GC_write_fault_handler); -# else - if (GC_incremental) SetUnhandledExceptionFilter(GC_write_fault_handler); -# endif -# endif - - if (GC_win32_dll_threads) { - int i; - /* It appears to be unsafe to acquire a lock here, since this */ - /* code is apparently not preeemptible on some systems. */ - /* (This is based on complaints, not on Microsoft's official */ - /* documentation, which says this should perform "only simple */ - /* initialization tasks".) */ - /* Hence we make do with nonblocking synchronization. */ - /* It has been claimed that DllMain is really only executed with */ - /* a particular system lock held, and thus careful use of locking */ - /* around code that doesn't call back into the system libraries */ - /* might be OK. But this hasn't been tested across all win32 */ - /* variants. */ - /* cast away volatile qualifier */ - for (i = 0; InterlockedExchange((IE_t)&dll_thread_table[i].in_use,1) != 0; - i++) { - /* Compare-and-swap would make this cleaner, but that's not */ - /* supported before Windows 98 and NT 4.0. In Windows 2000, */ - /* InterlockedExchange is supposed to be replaced by */ - /* InterlockedExchangePointer, but that's not really what I */ - /* want here. */ - /* FIXME: We should eventually declare Win95 dead and use AO_ */ - /* primitives here. */ - if (i == MAX_THREADS - 1) - ABORT("too many threads"); - } - /* Update GC_max_thread_index if necessary. The following is safe, */ - /* and unlike CompareExchange-based solutions seems to work on all */ - /* Windows95 and later platforms. */ - /* Unfortunately, GC_max_thread_index may be temporarily out of */ - /* bounds, so readers have to compensate. */ - while (i > GC_max_thread_index) { - InterlockedIncrement((IE_t)&GC_max_thread_index); - } - if (GC_max_thread_index >= MAX_THREADS) { - /* We overshot due to simultaneous increments. */ - /* Setting it to MAX_THREADS-1 is always safe. */ - GC_max_thread_index = MAX_THREADS - 1; - } - me = dll_thread_table + i; - } else /* Not using DllMain */ { - GC_ASSERT(I_HOLD_LOCK()); - GC_in_thread_creation = TRUE; /* OK to collect from unknown thread. */ - me = GC_new_thread(thread_id); - GC_in_thread_creation = FALSE; - } -# ifdef GC_PTHREADS - /* me can be NULL -> segfault */ - me -> pthread_id = pthread_self(); -# endif - - if (!DuplicateHandle(GetCurrentProcess(), - GetCurrentThread(), - GetCurrentProcess(), - (HANDLE*)&(me -> handle), - 0, - 0, - DUPLICATE_SAME_ACCESS)) { - DWORD last_error = GetLastError(); - GC_err_printf("Last error code: %d\n", last_error); - ABORT("DuplicateHandle failed"); - } - me -> stack_base = sb -> mem_base; - /* Up until this point, GC_push_all_stacks considers this thread */ - /* invalid. */ - /* Up until this point, this entry is viewed as reserved but invalid */ - /* by GC_delete_thread. */ - me -> id = thread_id; -# if defined(THREAD_LOCAL_ALLOC) - GC_init_thread_local((GC_tlfs)(&(me->tlfs))); -# endif - if (me -> stack_base == NULL) - ABORT("Bad stack base in GC_register_my_thread_inner"); - if (GC_win32_dll_threads) { - if (GC_please_stop) { - AO_store(&GC_attached_thread, TRUE); - AO_nop_full(); // Later updates must become visible after this. - } - /* We'd like to wait here, but can't, since waiting in DllMain */ - /* provokes deadlocks. */ - /* Thus we force marking to be restarted instead. */ - } else { - GC_ASSERT(!GC_please_stop); - /* Otherwise both we and the thread stopping code would be */ - /* holding the allocation lock. */ - } - return (GC_thread)(me); -} - -/* - * GC_max_thread_index may temporarily be larger than MAX_THREADS. - * To avoid subscript errors, we check on access. - */ -#ifdef __GNUC__ -__inline__ -#endif -LONG GC_get_max_thread_index() -{ - LONG my_max = GC_max_thread_index; - - if (my_max >= MAX_THREADS) return MAX_THREADS-1; - return my_max; -} - -/* Return the GC_thread corresponding to a thread id. May be called */ -/* without a lock, but should be called in contexts in which the */ -/* requested thread cannot be asynchronously deleted, e.g. from the */ -/* thread itself. */ -/* This version assumes that either GC_win32_dll_threads is set, or */ -/* we hold the allocator lock. */ -/* Also used (for assertion checking only) from thread_local_alloc.c. */ -GC_thread GC_lookup_thread_inner(DWORD thread_id) { - if (GC_win32_dll_threads) { - int i; - LONG my_max = GC_get_max_thread_index(); - for (i = 0; - i <= my_max && - (!AO_load_acquire(&(dll_thread_table[i].in_use)) - || dll_thread_table[i].id != thread_id); - /* Must still be in_use, since nobody else can store our thread_id. */ - i++) {} - if (i > my_max) { - return 0; - } else { - return (GC_thread)(dll_thread_table + i); - } - } else { - word hv = ((word)thread_id) % THREAD_TABLE_SZ; - register GC_thread p = GC_threads[hv]; - - GC_ASSERT(I_HOLD_LOCK()); - while (p != 0 && p -> id != thread_id) p = p -> next; - return(p); - } -} - -/* A version of the above that acquires the lock if necessary. Note */ -/* that the identically named function for pthreads is different, and */ -/* just assumes we hold the lock. */ -/* Also used (for assertion checking only) from thread_local_alloc.c. */ -static GC_thread GC_lookup_thread(DWORD thread_id) -{ - if (GC_win32_dll_threads) { - return GC_lookup_thread_inner(thread_id); - } else { - GC_thread result; - LOCK(); - result = GC_lookup_thread_inner(thread_id); - UNLOCK(); - return result; - } -} - -/* If a thread has been joined, but we have not yet */ -/* been notified, then there may be more than one thread */ -/* in the table with the same win32 id. */ -/* This is OK, but we need a way to delete a specific one. */ -/* Assumes we hold the allocation lock unless */ -/* GC_win32_dll_threads is set. */ -/* If GC_win32_dll_threads is set it should be called from the */ -/* thread being deleted. */ -void GC_delete_gc_thread(GC_vthread gc_id) -{ - CloseHandle(gc_id->handle); - if (GC_win32_dll_threads) { - /* This is intended to be lock-free. */ - /* It is either called synchronously from the thread being deleted, */ - /* or by the joining thread. */ - /* In this branch asynchronosu changes to *gc_id are possible. */ - gc_id -> stack_base = 0; - gc_id -> id = 0; -# ifdef CYGWIN32 - gc_id -> pthread_id = 0; -# endif /* CYGWIN32 */ -# ifdef GC_WIN32_PTHREADS - gc_id -> pthread_id.p = NULL; -# endif /* GC_WIN32_PTHREADS */ - AO_store_release(&(gc_id->in_use), FALSE); - } else { - /* Cast away volatile qualifier, since we have lock. */ - GC_thread gc_nvid = (GC_thread)gc_id; - DWORD id = gc_nvid -> id; - word hv = ((word)id) % THREAD_TABLE_SZ; - register GC_thread p = GC_threads[hv]; - register GC_thread prev = 0; - - GC_ASSERT(I_HOLD_LOCK()); - while (p != gc_nvid) { - prev = p; - p = p -> next; - } - if (prev == 0) { - GC_threads[hv] = p -> next; - } else { - prev -> next = p -> next; - } - GC_INTERNAL_FREE(p); - } -} - -/* Delete a thread from GC_threads. We assume it is there. */ -/* (The code intentionally traps if it wasn't.) */ -/* Assumes we hold the allocation lock unless */ -/* GC_win32_dll_threads is set. */ -/* If GC_win32_dll_threads is set it should be called from the */ -/* thread being deleted. */ -void GC_delete_thread(DWORD id) -{ - if (GC_win32_dll_threads) { - GC_thread t = GC_lookup_thread_inner(id); - - if (0 == t) { - WARN("Removing nonexistent thread %ld\n", (GC_word)id); - } else { - GC_delete_gc_thread(t); - } - } else { - word hv = ((word)id) % THREAD_TABLE_SZ; - register GC_thread p = GC_threads[hv]; - register GC_thread prev = 0; - - GC_ASSERT(I_HOLD_LOCK()); - while (p -> id != id) { - prev = p; - p = p -> next; - } - CloseHandle(p->handle); - if (prev == 0) { - GC_threads[hv] = p -> next; - } else { - prev -> next = p -> next; - } - GC_INTERNAL_FREE(p); - } -} - -GC_API int GC_register_my_thread(struct GC_stack_base *sb) { - DWORD t = GetCurrentThreadId(); - - if (0 == GC_lookup_thread(t)) { - /* We lock here, since we want to wait for an ongoing GC. */ - LOCK(); - GC_register_my_thread_inner(sb, t); - UNLOCK(); - return GC_SUCCESS; - } else { - return GC_DUPLICATE; - } -} - -GC_API int GC_unregister_my_thread(void) -{ - DWORD t = GetCurrentThreadId(); - -# if defined(THREAD_LOCAL_ALLOC) - LOCK(); - { - GC_thread me = GC_lookup_thread_inner(t); - GC_destroy_thread_local(&(me->tlfs)); - } - UNLOCK(); -# endif - if (GC_win32_dll_threads) { - /* Should we just ignore this? */ - GC_delete_thread(t); - } else { - LOCK(); - GC_delete_thread(t); - UNLOCK(); - } - return GC_SUCCESS; -} - - -#ifdef GC_PTHREADS - -/* A quick-and-dirty cache of the mapping between pthread_t */ -/* and win32 thread id. */ -#define PTHREAD_MAP_SIZE 512 -DWORD GC_pthread_map_cache[PTHREAD_MAP_SIZE]; -#define HASH(pthread_id) ((NUMERIC_THREAD_ID(pthread_id) >> 5) % PTHREAD_MAP_SIZE) - /* It appears pthread_t is really a pointer type ... */ -#define SET_PTHREAD_MAP_CACHE(pthread_id, win32_id) \ - GC_pthread_map_cache[HASH(pthread_id)] = (win32_id); -#define GET_PTHREAD_MAP_CACHE(pthread_id) \ - GC_pthread_map_cache[HASH(pthread_id)] - -/* Return a GC_thread corresponding to a given pthread_t. */ -/* Returns 0 if it's not there. */ -/* We assume that this is only called for pthread ids that */ -/* have not yet terminated or are still joinable, and */ -/* cannot be concurrently terminated. */ -/* Assumes we do NOT hold the allocation lock. */ -static GC_thread GC_lookup_pthread(pthread_t id) -{ - if (GC_win32_dll_threads) { - int i; - LONG my_max = GC_get_max_thread_index(); - - for (i = 0; - i <= my_max && - (!AO_load_acquire(&(dll_thread_table[i].in_use)) - || THREAD_EQUAL(dll_thread_table[i].pthread_id, id)); - /* Must still be in_use, since nobody else can store our thread_id. */ - i++); - if (i > my_max) return 0; - return (GC_thread)(dll_thread_table + i); - } else { - /* We first try the cache. If that fails, we use a very slow */ - /* approach. */ - int hv_guess = GET_PTHREAD_MAP_CACHE(id) % THREAD_TABLE_SZ; - int hv; - GC_thread p; - - LOCK(); - for (p = GC_threads[hv_guess]; 0 != p; p = p -> next) { - if (THREAD_EQUAL(p -> pthread_id, id)) - goto foundit; - } - for (hv = 0; hv < THREAD_TABLE_SZ; ++hv) { - for (p = GC_threads[hv]; 0 != p; p = p -> next) { - if (THREAD_EQUAL(p -> pthread_id, id)) - goto foundit; - } - } - p = 0; - foundit: - UNLOCK(); - return p; - } -} - -#endif /* GC_PTHREADS */ - -void GC_push_thread_structures(void) -{ - GC_ASSERT(I_HOLD_LOCK()); - if (GC_win32_dll_threads) { - /* Unlike the other threads implementations, the thread table here */ - /* contains no pointers to the collectable heap. Thus we have */ - /* no private structures we need to preserve. */ -# ifdef GC_PTHREADS - { int i; /* pthreads may keep a pointer in the thread exit value */ - LONG my_max = GC_get_max_thread_index(); - - for (i = 0; i <= my_max; i++) - if (dll_thread_table[i].in_use) - GC_push_all((ptr_t)&(dll_thread_table[i].status), - (ptr_t)(&(dll_thread_table[i].status)+1)); - } -# endif - } else { - GC_push_all((ptr_t)(GC_threads), (ptr_t)(GC_threads)+sizeof(GC_threads)); - } -# if defined(THREAD_LOCAL_ALLOC) - GC_push_all((ptr_t)(&GC_thread_key), - (ptr_t)(&GC_thread_key)+sizeof(&GC_thread_key)); - /* Just in case we ever use our own TLS implementation. */ -# endif -} - -/* Suspend the given thread, if it's still active. */ -void GC_suspend(GC_thread t) -{ -# ifdef MSWINCE - /* SuspendThread will fail if thread is running kernel code */ - while (SuspendThread(t -> handle) == (DWORD)-1) - Sleep(10); -# else - /* Apparently the Windows 95 GetOpenFileName call creates */ - /* a thread that does not properly get cleaned up, and */ - /* SuspendThread on its descriptor may provoke a crash. */ - /* This reduces the probability of that event, though it still */ - /* appears there's a race here. */ - DWORD exitCode; - if (GetExitCodeThread(t -> handle, &exitCode) && - exitCode != STILL_ACTIVE) { - t -> stack_base = 0; /* prevent stack from being pushed */ -# ifndef GC_PTHREADS - /* this breaks pthread_join on Cygwin, which is guaranteed to */ - /* only see user pthreads */ - GC_ASSERT(GC_win32_dll_threads); - GC_delete_gc_thread(t); -# endif - return; - } - if (SuspendThread(t -> handle) == (DWORD)-1) - ABORT("SuspendThread failed"); -# endif - t -> suspended = TRUE; -} - -/* Defined in misc.c */ -#ifndef CYGWIN32 - extern CRITICAL_SECTION GC_write_cs; -#endif - -void GC_stop_world(void) -{ - DWORD thread_id = GetCurrentThreadId(); - int i; - - if (!GC_thr_initialized) ABORT("GC_stop_world() called before GC_thr_init()"); - GC_ASSERT(I_HOLD_LOCK()); - - GC_please_stop = TRUE; -# ifndef CYGWIN32 - EnterCriticalSection(&GC_write_cs); -# endif - if (GC_win32_dll_threads) { - /* Any threads being created during this loop will end up setting */ - /* GC_attached_thread when they start. This will force marking to */ - /* restart. */ - /* This is not ideal, but hopefully correct. */ - GC_attached_thread = FALSE; - for (i = 0; i <= GC_get_max_thread_index(); i++) { - GC_vthread t = dll_thread_table + i; - if (t -> stack_base != 0 - && t -> id != thread_id) { - GC_suspend((GC_thread)t); - } - } - } else { - GC_thread t; - int i; - - for (i = 0; i < THREAD_TABLE_SZ; i++) { - for (t = GC_threads[i]; t != 0; t = t -> next) { - if (t -> stack_base != 0 - && !KNOWN_FINISHED(t) - && t -> id != thread_id) { - GC_suspend(t); - } - } - } - } -# ifndef CYGWIN32 - LeaveCriticalSection(&GC_write_cs); -# endif -} - -void GC_start_world(void) -{ - DWORD thread_id = GetCurrentThreadId(); - int i; - LONG my_max = GC_get_max_thread_index(); - - GC_ASSERT(I_HOLD_LOCK()); - if (GC_win32_dll_threads) { - for (i = 0; i <= my_max; i++) { - GC_thread t = (GC_thread)(dll_thread_table + i); - if (t -> stack_base != 0 && t -> suspended - && t -> id != thread_id) { - if (ResumeThread(t -> handle) == (DWORD)-1) - ABORT("ResumeThread failed"); - t -> suspended = FALSE; - } - } - } else { - GC_thread t; - int i; - - for (i = 0; i < THREAD_TABLE_SZ; i++) { - for (t = GC_threads[i]; t != 0; t = t -> next) { - if (t -> stack_base != 0 && t -> suspended - && t -> id != thread_id) { - if (ResumeThread(t -> handle) == (DWORD)-1) - ABORT("ResumeThread failed"); - t -> suspended = FALSE; - } - } - } - } - GC_please_stop = FALSE; -} - -# ifdef MSWINCE - /* The VirtualQuery calls below won't work properly on WinCE, but */ - /* since each stack is restricted to an aligned 64K region of */ - /* virtual memory we can just take the next lowest multiple of 64K. */ -# define GC_get_stack_min(s) \ - ((ptr_t)(((DWORD)(s) - 1) & 0xFFFF0000)) -# else - static ptr_t GC_get_stack_min(ptr_t s) - { - ptr_t bottom; - MEMORY_BASIC_INFORMATION info; - VirtualQuery(s, &info, sizeof(info)); - do { - bottom = info.BaseAddress; - VirtualQuery(bottom - 1, &info, sizeof(info)); - } while ((info.Protect & PAGE_READWRITE) - && !(info.Protect & PAGE_GUARD)); - return(bottom); - } -# endif - -void GC_push_stack_for(GC_thread thread) -{ - int dummy; - ptr_t sp, stack_min; - DWORD me = GetCurrentThreadId(); - - if (thread -> stack_base) { - if (thread -> id == me) { - sp = (ptr_t) &dummy; - } else { - CONTEXT context; - context.ContextFlags = CONTEXT_INTEGER|CONTEXT_CONTROL; - if (!GetThreadContext(thread -> handle, &context)) - ABORT("GetThreadContext failed"); - - /* Push all registers that might point into the heap. Frame */ - /* pointer registers are included in case client code was */ - /* compiled with the 'omit frame pointer' optimisation. */ -# define PUSH1(reg) GC_push_one((word)context.reg) -# define PUSH2(r1,r2) PUSH1(r1), PUSH1(r2) -# define PUSH4(r1,r2,r3,r4) PUSH2(r1,r2), PUSH2(r3,r4) -# if defined(I386) - PUSH4(Edi,Esi,Ebx,Edx), PUSH2(Ecx,Eax), PUSH1(Ebp); - sp = (ptr_t)context.Esp; -# elif defined(X86_64) - PUSH4(Rax,Rcx,Rdx,Rbx); PUSH2(Rbp, Rsi); PUSH1(Rdi); - PUSH4(R8, R9, R10, R11); PUSH4(R12, R13, R14, R15); - sp = (ptr_t)context.Rsp; -# elif defined(ARM32) - PUSH4(R0,R1,R2,R3),PUSH4(R4,R5,R6,R7),PUSH4(R8,R9,R10,R11),PUSH1(R12); - sp = (ptr_t)context.Sp; -# elif defined(SHx) - PUSH4(R0,R1,R2,R3), PUSH4(R4,R5,R6,R7), PUSH4(R8,R9,R10,R11); - PUSH2(R12,R13), PUSH1(R14); - sp = (ptr_t)context.R15; -# elif defined(MIPS) - PUSH4(IntAt,IntV0,IntV1,IntA0), PUSH4(IntA1,IntA2,IntA3,IntT0); - PUSH4(IntT1,IntT2,IntT3,IntT4), PUSH4(IntT5,IntT6,IntT7,IntS0); - PUSH4(IntS1,IntS2,IntS3,IntS4), PUSH4(IntS5,IntS6,IntS7,IntT8); - PUSH4(IntT9,IntK0,IntK1,IntS8); - sp = (ptr_t)context.IntSp; -# elif defined(PPC) - PUSH4(Gpr0, Gpr3, Gpr4, Gpr5), PUSH4(Gpr6, Gpr7, Gpr8, Gpr9); - PUSH4(Gpr10,Gpr11,Gpr12,Gpr14), PUSH4(Gpr15,Gpr16,Gpr17,Gpr18); - PUSH4(Gpr19,Gpr20,Gpr21,Gpr22), PUSH4(Gpr23,Gpr24,Gpr25,Gpr26); - PUSH4(Gpr27,Gpr28,Gpr29,Gpr30), PUSH1(Gpr31); - sp = (ptr_t)context.Gpr1; -# elif defined(ALPHA) - PUSH4(IntV0,IntT0,IntT1,IntT2), PUSH4(IntT3,IntT4,IntT5,IntT6); - PUSH4(IntT7,IntS0,IntS1,IntS2), PUSH4(IntS3,IntS4,IntS5,IntFp); - PUSH4(IntA0,IntA1,IntA2,IntA3), PUSH4(IntA4,IntA5,IntT8,IntT9); - PUSH4(IntT10,IntT11,IntT12,IntAt); - sp = (ptr_t)context.IntSp; -# else -# error "architecture is not supported" -# endif - } /* ! current thread */ - - stack_min = GC_get_stack_min(thread->stack_base); - - if (sp >= stack_min && sp < thread->stack_base) { -# if DEBUG_WIN32_PTHREADS || DEBUG_WIN32_THREADS \ - || DEBUG_CYGWIN_THREADS - GC_printf("Pushing thread from %p to %p for 0x%x from 0x%x\n", - sp, thread -> stack_base, thread -> id, me); -# endif - GC_push_all_stack(sp, thread->stack_base); - } else { - WARN("Thread stack pointer 0x%lx out of range, pushing everything\n", - (unsigned long)(size_t)sp); - GC_push_all_stack(stack_min, thread->stack_base); - } - } /* thread looks live */ -} - -void GC_push_all_stacks(void) -{ - DWORD me = GetCurrentThreadId(); - GC_bool found_me = FALSE; - size_t nthreads = 0; - - if (GC_win32_dll_threads) { - int i; - LONG my_max = GC_get_max_thread_index(); - - for (i = 0; i <= my_max; i++) { - GC_thread t = (GC_thread)(dll_thread_table + i); - if (t -> in_use) { - ++nthreads; - GC_push_stack_for(t); - if (t -> id == me) found_me = TRUE; - } - } - } else { - GC_thread t; - int i; - - for (i = 0; i < THREAD_TABLE_SZ; i++) { - for (t = GC_threads[i]; t != 0; t = t -> next) { - ++nthreads; - if (!KNOWN_FINISHED(t)) GC_push_stack_for(t); - if (t -> id == me) found_me = TRUE; - } - } - } - if (GC_print_stats == VERBOSE) { - GC_log_printf("Pushed %d thread stacks ", nthreads); - if (GC_win32_dll_threads) { - GC_log_printf("based on DllMain thread tracking\n"); - } else { - GC_log_printf("\n"); - } - } - if (!found_me && !GC_in_thread_creation) - ABORT("Collecting from unknown thread."); -} - -void GC_get_next_stack(char *start, char **lo, char **hi) -{ - int i; -# define ADDR_LIMIT (char *)(-1L) - char * current_min = ADDR_LIMIT; - - if (GC_win32_dll_threads) { - LONG my_max = GC_get_max_thread_index(); - - for (i = 0; i <= my_max; i++) { - ptr_t s = (ptr_t)(dll_thread_table[i].stack_base); - - if (0 != s && s > start && s < current_min) { - current_min = s; - } - } - } else { - for (i = 0; i < THREAD_TABLE_SZ; i++) { - GC_thread t; - - for (t = GC_threads[i]; t != 0; t = t -> next) { - ptr_t s = (ptr_t)(t -> stack_base); - - if (0 != s && s > start && s < current_min) { - current_min = s; - } - } - } - } - *hi = current_min; - if (current_min == ADDR_LIMIT) { - *lo = ADDR_LIMIT; - return; - } - *lo = GC_get_stack_min(current_min); - if (*lo < start) *lo = start; -} - -#ifndef GC_PTHREADS - -/* We have no DllMain to take care of new threads. Thus we */ -/* must properly intercept thread creation. */ - -typedef struct { - LPTHREAD_START_ROUTINE start; - LPVOID param; -} thread_args; - -static DWORD WINAPI thread_start(LPVOID arg); - -void * GC_win32_start_inner(struct GC_stack_base *sb, LPVOID arg) -{ - void * ret; - thread_args *args = (thread_args *)arg; - -# if DEBUG_WIN32_THREADS - GC_printf("thread 0x%x starting...\n", GetCurrentThreadId()); -# endif - - GC_register_my_thread(sb); /* This waits for an in-progress GC. */ - - /* Clear the thread entry even if we exit with an exception. */ - /* This is probably pointless, since an uncaught exception is */ - /* supposed to result in the process being killed. */ -#ifndef __GNUC__ - __try { -#endif /* __GNUC__ */ - ret = (void *)(size_t)args->start (args->param); -#ifndef __GNUC__ - } __finally { -#endif /* __GNUC__ */ - GC_unregister_my_thread(); - GC_free(args); -#ifndef __GNUC__ - } -#endif /* __GNUC__ */ - -# if DEBUG_WIN32_THREADS - GC_printf("thread 0x%x returned from start routine.\n", - GetCurrentThreadId()); -# endif - return ret; -} - -DWORD WINAPI GC_win32_start(LPVOID arg) -{ - return (DWORD)(size_t)GC_call_with_stack_base(GC_win32_start_inner, arg); -} - -GC_API HANDLE WINAPI GC_CreateThread( - LPSECURITY_ATTRIBUTES lpThreadAttributes, - DWORD dwStackSize, LPTHREAD_START_ROUTINE lpStartAddress, - LPVOID lpParameter, DWORD dwCreationFlags, LPDWORD lpThreadId ) -{ - HANDLE thread_h = NULL; - - thread_args *args; - - if (!parallel_initialized) GC_init_parallel(); - /* make sure GC is initialized (i.e. main thread is attached, - tls initialized) */ - -# if DEBUG_WIN32_THREADS - GC_printf("About to create a thread from 0x%x\n", GetCurrentThreadId()); -# endif - if (GC_win32_dll_threads) { - return CreateThread(lpThreadAttributes, dwStackSize, lpStartAddress, - lpParameter, dwCreationFlags, lpThreadId); - } else { - args = GC_malloc_uncollectable(sizeof(thread_args)); - /* Handed off to and deallocated by child thread. */ - if (0 == args) { - SetLastError(ERROR_NOT_ENOUGH_MEMORY); - return NULL; - } - - /* set up thread arguments */ - args -> start = lpStartAddress; - args -> param = lpParameter; - - GC_need_to_lock = TRUE; - thread_h = CreateThread(lpThreadAttributes, - dwStackSize, GC_win32_start, - args, dwCreationFlags, - lpThreadId); - if( thread_h == 0 ) GC_free( args ); - return thread_h; - } -} - -void WINAPI GC_ExitThread(DWORD dwExitCode) -{ - GC_unregister_my_thread(); - ExitThread(dwExitCode); -} - -uintptr_t GC_beginthreadex( - void *security, unsigned stack_size, - unsigned ( __stdcall *start_address )( void * ), - void *arglist, unsigned initflag, unsigned *thrdaddr) -{ - uintptr_t thread_h; - - thread_args *args; - - if (!parallel_initialized) GC_init_parallel(); - /* make sure GC is initialized (i.e. main thread is attached, - tls initialized) */ -# if DEBUG_WIN32_THREADS - GC_printf("About to create a thread from 0x%x\n", GetCurrentThreadId()); -# endif - - if (GC_win32_dll_threads) { - return _beginthreadex(security, stack_size, start_address, - arglist, initflag, thrdaddr); - } else { - args = GC_malloc_uncollectable(sizeof(thread_args)); - /* Handed off to and deallocated by child thread. */ - if (0 == args) { - SetLastError(ERROR_NOT_ENOUGH_MEMORY); - return (uintptr_t)(-1L); - } - - /* set up thread arguments */ - args -> start = (LPTHREAD_START_ROUTINE)start_address; - args -> param = arglist; - - GC_need_to_lock = TRUE; - thread_h = _beginthreadex(security, stack_size, - (unsigned (__stdcall *) (void *))GC_win32_start, - args, initflag, thrdaddr); - if( thread_h == 0 ) GC_free( args ); - return thread_h; - } -} - -void GC_endthreadex(unsigned retval) -{ - GC_unregister_my_thread(); - _endthreadex(retval); -} - -#endif /* !GC_PTHREADS */ - -#ifdef MSWINCE - -typedef struct { - HINSTANCE hInstance; - HINSTANCE hPrevInstance; - LPWSTR lpCmdLine; - int nShowCmd; -} main_thread_args; - -DWORD WINAPI main_thread_start(LPVOID arg); - -int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, - LPWSTR lpCmdLine, int nShowCmd) -{ - DWORD exit_code = 1; - - main_thread_args args = { - hInstance, hPrevInstance, lpCmdLine, nShowCmd - }; - HANDLE thread_h; - DWORD thread_id; - - /* initialize everything */ - GC_init(); - - /* start the main thread */ - thread_h = GC_CreateThread( - NULL, 0, main_thread_start, &args, 0, &thread_id); - - if (thread_h != NULL) - { - WaitForSingleObject (thread_h, INFINITE); - GetExitCodeThread (thread_h, &exit_code); - CloseHandle (thread_h); - } - - GC_deinit(); - DeleteCriticalSection(&GC_allocate_ml); - - return (int) exit_code; -} - -DWORD WINAPI main_thread_start(LPVOID arg) -{ - main_thread_args * args = (main_thread_args *) arg; - - return (DWORD) GC_WinMain (args->hInstance, args->hPrevInstance, - args->lpCmdLine, args->nShowCmd); -} - -# else /* !MSWINCE */ - -/* Called by GC_init() - we hold the allocation lock. */ -void GC_thr_init(void) { - struct GC_stack_base sb; - int sb_result; - - GC_ASSERT(I_HOLD_LOCK()); - if (GC_thr_initialized) return; - GC_main_thread = GetCurrentThreadId(); - GC_thr_initialized = TRUE; - - /* Add the initial thread, so we can stop it. */ - sb_result = GC_get_stack_base(&sb); - GC_ASSERT(sb_result == GC_SUCCESS); - GC_register_my_thread(&sb); -} - -#ifdef GC_PTHREADS - -struct start_info { - void *(*start_routine)(void *); - void *arg; - GC_bool detached; -}; - -int GC_pthread_join(pthread_t pthread_id, void **retval) { - int result; - int i; - GC_thread joinee; - -# if DEBUG_CYGWIN_THREADS - GC_printf("thread 0x%x(0x%x) is joining thread 0x%x.\n", - (int)pthread_self(), GetCurrentThreadId(), (int)pthread_id); -# endif -# if DEBUG_WIN32_PTHREADS - GC_printf("thread 0x%x(0x%x) is joining thread 0x%x.\n", - (int)(pthread_self()).p, GetCurrentThreadId(), pthread_id.p); -# endif - - if (!parallel_initialized) GC_init_parallel(); - /* Thread being joined might not have registered itself yet. */ - /* After the join,thread id may have been recycled. */ - /* FIXME: It would be better if this worked more like */ - /* pthread_support.c. */ - - #ifndef GC_WIN32_PTHREADS - while ((joinee = GC_lookup_pthread(pthread_id)) == 0) Sleep(10); - #endif - - result = pthread_join(pthread_id, retval); - - #ifdef GC_WIN32_PTHREADS - /* win32_pthreads id are unique */ - joinee = GC_lookup_pthread(pthread_id); - #endif - - if (!GC_win32_dll_threads) { - LOCK(); - GC_delete_gc_thread(joinee); - UNLOCK(); - } /* otherwise dllmain handles it. */ - -# if DEBUG_CYGWIN_THREADS - GC_printf("thread 0x%x(0x%x) completed join with thread 0x%x.\n", - (int)pthread_self(), GetCurrentThreadId(), (int)pthread_id); -# endif -# if DEBUG_WIN32_PTHREADS - GC_printf("thread 0x%x(0x%x) completed join with thread 0x%x.\n", - (int)(pthread_self()).p, GetCurrentThreadId(), pthread_id.p); -# endif - - return result; -} - -/* Cygwin-pthreads calls CreateThread internally, but it's not - * easily interceptible by us.. - * so intercept pthread_create instead - */ -int -GC_pthread_create(pthread_t *new_thread, - const pthread_attr_t *attr, - void *(*start_routine)(void *), void *arg) { - int result; - struct start_info * si; - - if (!parallel_initialized) GC_init_parallel(); - /* make sure GC is initialized (i.e. main thread is attached) */ - if (GC_win32_dll_threads) { - return pthread_create(new_thread, attr, start_routine, arg); - } - - /* This is otherwise saved only in an area mmapped by the thread */ - /* library, which isn't visible to the collector. */ - si = GC_malloc_uncollectable(sizeof(struct start_info)); - if (0 == si) return(EAGAIN); - - si -> start_routine = start_routine; - si -> arg = arg; - if (attr != 0 && - pthread_attr_getdetachstate(attr, &si->detached) - == PTHREAD_CREATE_DETACHED) { - si->detached = TRUE; - } - -# if DEBUG_CYGWIN_THREADS - GC_printf("About to create a thread from 0x%x(0x%x)\n", - (int)pthread_self(), GetCurrentThreadId); -# endif -# if DEBUG_WIN32_PTHREADS - GC_printf("About to create a thread from 0x%x(0x%x)\n", - (int)(pthread_self()).p, GetCurrentThreadId()); -# endif - GC_need_to_lock = TRUE; - result = pthread_create(new_thread, attr, GC_pthread_start, si); - - if (result) { /* failure */ - GC_free(si); - } - - return(result); -} - -void * GC_pthread_start_inner(struct GC_stack_base *sb, void * arg) -{ - struct start_info * si = arg; - void * result; - void *(*start)(void *); - void *start_arg; - DWORD thread_id = GetCurrentThreadId(); - pthread_t pthread_id = pthread_self(); - GC_thread me; - GC_bool detached; - int i; - -# if DEBUG_CYGWIN_THREADS - GC_printf("thread 0x%x(0x%x) starting...\n",(int)pthread_id, - thread_id); -# endif -# if DEBUG_WIN32_PTHREADS - GC_printf("thread 0x%x(0x%x) starting...\n",(int) pthread_id.p, - thread_id); -# endif - - GC_ASSERT(!GC_win32_dll_threads); - /* If a GC occurs before the thread is registered, that GC will */ - /* ignore this thread. That's fine, since it will block trying to */ - /* acquire the allocation lock, and won't yet hold interesting */ - /* pointers. */ - LOCK(); - /* We register the thread here instead of in the parent, so that */ - /* we don't need to hold the allocation lock during pthread_create. */ - me = GC_register_my_thread_inner(sb, thread_id); - SET_PTHREAD_MAP_CACHE(pthread_id, thread_id); - UNLOCK(); - - start = si -> start_routine; - start_arg = si -> arg; - if (si-> detached) me -> flags |= DETACHED; - me -> pthread_id = pthread_id; - - GC_free(si); /* was allocated uncollectable */ - - pthread_cleanup_push(GC_thread_exit_proc, (void *)me); - result = (*start)(start_arg); - me -> status = result; - pthread_cleanup_pop(1); - -# if DEBUG_CYGWIN_THREADS - GC_printf("thread 0x%x(0x%x) returned from start routine.\n", - (int)pthread_self(),GetCurrentThreadId()); -# endif -# if DEBUG_WIN32_PTHREADS - GC_printf("thread 0x%x(0x%x) returned from start routine.\n", - (int)(pthread_self()).p, GetCurrentThreadId()); -# endif - - return(result); -} - -void * GC_pthread_start(void * arg) -{ - return GC_call_with_stack_base(GC_pthread_start_inner, arg); -} - -void GC_thread_exit_proc(void *arg) -{ - GC_thread me = (GC_thread)arg; - int i; - - GC_ASSERT(!GC_win32_dll_threads); -# if DEBUG_CYGWIN_THREADS - GC_printf("thread 0x%x(0x%x) called pthread_exit().\n", - (int)pthread_self(),GetCurrentThreadId()); -# endif -# if DEBUG_WIN32_PTHREADS - GC_printf("thread 0x%x(0x%x) called pthread_exit().\n", - (int)(pthread_self()).p,GetCurrentThreadId()); -# endif - - LOCK(); -# if defined(THREAD_LOCAL_ALLOC) - GC_destroy_thread_local(&(me->tlfs)); -# endif - if (me -> flags & DETACHED) { - GC_delete_thread(GetCurrentThreadId()); - } else { - /* deallocate it as part of join */ - me -> flags |= FINISHED; - } - UNLOCK(); -} - -#ifndef GC_WIN32_PTHREADS -/* win32 pthread does not support sigmask */ -/* nothing required here... */ -int GC_pthread_sigmask(int how, const sigset_t *set, sigset_t *oset) { - if (!parallel_initialized) GC_init_parallel(); - return pthread_sigmask(how, set, oset); -} -#endif - -int GC_pthread_detach(pthread_t thread) -{ - int result; - GC_thread thread_gc_id; - - if (!parallel_initialized) GC_init_parallel(); - LOCK(); - thread_gc_id = GC_lookup_pthread(thread); - UNLOCK(); - result = pthread_detach(thread); - if (result == 0) { - LOCK(); - thread_gc_id -> flags |= DETACHED; - /* Here the pthread thread id may have been recycled. */ - if (thread_gc_id -> flags & FINISHED) { - GC_delete_gc_thread(thread_gc_id); - } - UNLOCK(); - } - return result; -} - -#else /* !GC_PTHREADS */ - -/* - * We avoid acquiring locks here, since this doesn't seem to be preemptable. - * This may run with an uninitialized collector, in which case we don't do much. - * This implies that no threads other than the main one should be created - * with an uninitialized collector. (The alternative of initializing - * the collector here seems dangerous, since DllMain is limited in what it - * can do.) - */ -#ifdef GC_DLL -GC_API BOOL WINAPI DllMain(HINSTANCE inst, ULONG reason, LPVOID reserved) -{ - struct GC_stack_base sb; - DWORD thread_id; - int sb_result; - static int entry_count = 0; - - if (parallel_initialized && !GC_win32_dll_threads) return TRUE; - - switch (reason) { - case DLL_THREAD_ATTACH: - GC_ASSERT(entry_count == 0 || parallel_initialized); - ++entry_count; /* and fall through: */ - case DLL_PROCESS_ATTACH: - /* This may run with the collector uninitialized. */ - thread_id = GetCurrentThreadId(); - if (parallel_initialized && GC_main_thread != thread_id) { - /* Don't lock here. */ - sb_result = GC_get_stack_base(&sb); - GC_ASSERT(sb_result == GC_SUCCESS); -# ifdef THREAD_LOCAL_ALLOC - ABORT("Cannot initialize thread local cache from DllMain"); -# endif - GC_register_my_thread_inner(&sb, thread_id); - } /* o.w. we already did it during GC_thr_init(), called by GC_init() */ - break; - - case DLL_THREAD_DETACH: - /* We are hopefully running in the context of the exiting thread. */ - GC_ASSERT(parallel_initialized); - if (!GC_win32_dll_threads) return TRUE; - GC_delete_thread(GetCurrentThreadId()); - break; - - case DLL_PROCESS_DETACH: - { - int i; - - if (!GC_win32_dll_threads) return TRUE; - for (i = 0; i <= GC_get_max_thread_index(); ++i) - { - if (AO_load(&(dll_thread_table[i].in_use))) - GC_delete_gc_thread(dll_thread_table + i); - } - - GC_deinit(); - DeleteCriticalSection(&GC_allocate_ml); - } - break; - - } - return TRUE; -} -#endif /* GC_DLL */ -#endif /* !GC_PTHREADS */ - -# endif /* !MSWINCE */ - -/* Perform all initializations, including those that */ -/* may require allocation. */ -/* Called without allocation lock. */ -/* Must be called before a second thread is created. */ -void GC_init_parallel(void) -{ - if (parallel_initialized) return; - parallel_initialized = TRUE; - /* GC_init() calls us back, so set flag first. */ - - if (!GC_is_initialized) GC_init(); - if (GC_win32_dll_threads) { - GC_need_to_lock = TRUE; - /* Cannot intercept thread creation. Hence we don't know if */ - /* other threads exist. However, client is not allowed to */ - /* create other threads before collector initialization. */ - /* Thus it's OK not to lock before this. */ - } - /* Initialize thread local free lists if used. */ -# if defined(THREAD_LOCAL_ALLOC) - LOCK(); - GC_init_thread_local(&(GC_lookup_thread(GetCurrentThreadId())->tlfs)); - UNLOCK(); -# endif -} - -#if defined(USE_PTHREAD_LOCKS) - /* Support for pthread locking code. */ - /* Pthread_mutex_try_lock may not win here, */ - /* due to builtinsupport for spinning first? */ - -volatile GC_bool GC_collecting = 0; - /* A hint that we're in the collector and */ - /* holding the allocation lock for an */ - /* extended period. */ - -void GC_lock(void) -{ - pthread_mutex_lock(&GC_allocate_ml); -} -#endif /* USE_PTHREAD ... */ - -# if defined(THREAD_LOCAL_ALLOC) - -/* Add thread-local allocation support. Microsoft uses __declspec(thread) */ - -/* We must explicitly mark ptrfree and gcj free lists, since the free */ -/* list links wouldn't otherwise be found. We also set them in the */ -/* normal free lists, since that involves touching less memory than if */ -/* we scanned them normally. */ -void GC_mark_thread_local_free_lists(void) -{ - int i; - GC_thread p; - - for (i = 0; i < THREAD_TABLE_SZ; ++i) { - for (p = GC_threads[i]; 0 != p; p = p -> next) { - GC_mark_thread_local_fls_for(&(p->tlfs)); - } - } -} - -#if defined(GC_ASSERTIONS) - /* Check that all thread-local free-lists are completely marked. */ - /* also check that thread-specific-data structures are marked. */ - void GC_check_tls(void) { - int i; - GC_thread p; - - for (i = 0; i < THREAD_TABLE_SZ; ++i) { - for (p = GC_threads[i]; 0 != p; p = p -> next) { - GC_check_tls_for(&(p->tlfs)); - } - } -# if defined(USE_CUSTOM_SPECIFIC) - if (GC_thread_key != 0) - GC_check_tsd_marks(GC_thread_key); -# endif - } -#endif /* GC_ASSERTIONS */ - -#endif /* THREAD_LOCAL_ALLOC ... */ - -#endif /* GC_WIN32_THREADS */ diff --git a/vendor/pcre/config.h.in b/vendor/pcre/config.h.in index fb7a37a..7a75ee1 100644 --- a/vendor/pcre/config.h.in +++ b/vendor/pcre/config.h.in @@ -184,6 +184,9 @@ them both to 0; an emulation function will be used. */ /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME +/* Define to the home page for this package. */ +#undef PACKAGE_URL + /* Define to the version of this package. */ #undef PACKAGE_VERSION diff --git a/vendor/pcre/configure b/vendor/pcre/configure index 8619f96..a4666f9 100755 --- a/vendor/pcre/configure +++ b/vendor/pcre/configure @@ -1,60 +1,81 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.61 for PCRE 7.8. +# Generated by GNU Autoconf 2.69 for PCRE 7.8. +# +# +# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. +# # -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, -# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. # This configure script is free software; the Free Software Foundation # gives unlimited permission to copy, distribute and modify it. -## --------------------- ## -## M4sh Initialization. ## -## --------------------- ## +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## # Be more Bourne compatible DUALCASE=1; export DUALCASE # for MKS sh -if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: - # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST else - case `(set -o) 2>/dev/null` in - *posix*) set -o posix ;; + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; esac - fi - - -# PATH needs CR -# Avoid depending upon Character Ranges. -as_cr_letters='abcdefghijklmnopqrstuvwxyz' -as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' -as_cr_Letters=$as_cr_letters$as_cr_LETTERS -as_cr_digits='0123456789' -as_cr_alnum=$as_cr_Letters$as_cr_digits - -# The user is always right. -if test "${PATH_SEPARATOR+set}" != set; then - echo "#! /bin/sh" >conf$$.sh - echo "exit 0" >>conf$$.sh - chmod +x conf$$.sh - if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then - PATH_SEPARATOR=';' +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' else - PATH_SEPARATOR=: + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' fi - rm -f conf$$.sh + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' fi -# Support unset when possible. -if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then - as_unset=unset -else - as_unset=false +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } fi @@ -63,20 +84,19 @@ fi # there to prevent editors from complaining about space-tab. # (If _AS_PATH_WALK were called with IFS unset, it would disable word # splitting by setting IFS to empty value.) -as_nl=' -' IFS=" "" $as_nl" # Find who we are. Look in the path if we contain no directory separator. -case $0 in +as_myself= +case $0 in #(( *[\\/]* ) as_myself=$0 ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break -done + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done IFS=$as_save_IFS ;; @@ -87,32 +107,315 @@ if test "x$as_myself" = x; then as_myself=$0 fi if test ! -f "$as_myself"; then - echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 - { (exit 1); exit 1; } + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 fi -# Work around bugs in pre-3.0 UWIN ksh. -for as_var in ENV MAIL MAILPATH -do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : done PS1='$ ' PS2='> ' PS4='+ ' # NLS nuisances. -for as_var in \ - LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \ - LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \ - LC_TELEPHONE LC_TIME +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +as_fn_exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH do - if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then - eval $as_var=C; export $as_var + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." else - ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var + $as_echo "$0: Please tell bug-autoconf@gnu.org about your system, +$0: including any error possibly output before this +$0: message. Then install a modern shell, or manually run +$0: the script under such a shell if you do have one." fi -done + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error -# Required to use basename. if expr a : '\(a\)' >/dev/null 2>&1 && test "X`expr 00001 : '.*\(...\)'`" = X001; then as_expr=expr @@ -126,13 +429,17 @@ else as_basename=false fi +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi -# Name of the executable. as_me=`$as_basename -- "$0" || $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ X"$0" : 'X\(//\)$' \| \ X"$0" : 'X\(/\)' \| . 2>/dev/null || -echo X/"$0" | +$as_echo X/"$0" | sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/ q @@ -147,417 +454,115 @@ echo X/"$0" | } s/.*/./; q'` -# CDPATH. -$as_unset CDPATH +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits -if test "x$CONFIG_SHELL" = x; then - if (eval ":") 2>/dev/null; then - as_have_required=yes -else - as_have_required=no -fi + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } - if test $as_have_required = yes && (eval ": -(as_func_return () { - (exit \$1) -} -as_func_success () { - as_func_return 0 -} -as_func_failure () { - as_func_return 1 -} -as_func_ret_success () { - return 0 -} -as_func_ret_failure () { - return 1 + # If we had to re-execute with $CONFIG_SHELL, we're ensured to have + # already done that, so ensure we don't try to do so again and fall + # in an infinite loop. This has already happened in practice. + _as_can_reexec=no; export _as_can_reexec + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . "./$as_me.lineno" + # Exit status is that of the last command. + exit } -exitcode=0 -if as_func_success; then - : -else - exitcode=1 - echo as_func_success failed. -fi - -if as_func_failure; then - exitcode=1 - echo as_func_failure succeeded. -fi +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac -if as_func_ret_success; then - : +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file else - exitcode=1 - echo as_func_ret_success failed. -fi - -if as_func_ret_failure; then - exitcode=1 - echo as_func_ret_failure succeeded. + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null -if ( set x; as_func_ret_success y && test x = \"\$1\" ); then - : +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' else - exitcode=1 - echo positional parameters were not saved. + test -d ./-p && rmdir ./-p + as_mkdir_p=false fi -test \$exitcode = 0) || { (exit 1); exit 1; } +as_test_x='test -x' +as_executable_p=as_fn_executable_p -( - as_lineno_1=\$LINENO - as_lineno_2=\$LINENO - test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" && - test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; } -") 2> /dev/null; then - : -else - as_candidate_shells= - as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - case $as_dir in - /*) - for as_base in sh bash ksh sh5; do - as_candidate_shells="$as_candidate_shells $as_dir/$as_base" - done;; - esac -done -IFS=$as_save_IFS +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" - for as_shell in $as_candidate_shells $SHELL; do - # Try only shells that exist, to save several forks. - if { test -f "$as_shell" || test -f "$as_shell.exe"; } && - { ("$as_shell") 2> /dev/null <<\_ASEOF -if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then - emulate sh - NULLCMD=: - # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which - # is contrary to our usage. Disable this feature. - alias -g '${1+"$@"}'='"$@"' - setopt NO_GLOB_SUBST -else - case `(set -o) 2>/dev/null` in - *posix*) set -o posix ;; -esac -fi +# Check that we are running under the correct shell. +SHELL=${CONFIG_SHELL-/bin/sh} -: -_ASEOF -}; then - CONFIG_SHELL=$as_shell - as_have_required=yes - if { "$as_shell" 2> /dev/null <<\_ASEOF -if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then - emulate sh - NULLCMD=: - # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which - # is contrary to our usage. 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The first 'sed' inserts a - # line-number line after each line using $LINENO; the second 'sed' - # does the real work. The second script uses 'N' to pair each - # line-number line with the line containing $LINENO, and appends - # trailing '-' during substitution so that $LINENO is not a special - # case at line end. - # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the - # scripts with optimization help from Paolo Bonzini. Blame Lee - # E. McMahon (1931-1989) for sed's syntax. :-) - sed -n ' - p - /[$]LINENO/= - ' <$as_myself | - sed ' - s/[$]LINENO.*/&-/ - t lineno - b - :lineno - N - :loop - s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ - t loop - s/-\n.*// - ' >$as_me.lineno && - chmod +x "$as_me.lineno" || - { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2 - { (exit 1); exit 1; }; } - - # Don't try to exec as it changes $[0], causing all sort of problems - # (the dirname of $[0] is not the place where we might find the - # original and so on. Autoconf is especially sensitive to this). - . "./$as_me.lineno" - # Exit status is that of the last command. - exit -} - - -if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then - as_dirname=dirname -else - as_dirname=false -fi - -ECHO_C= ECHO_N= ECHO_T= -case `echo -n x` in --n*) - case `echo 'x\c'` in - *c*) ECHO_T=' ';; # ECHO_T is single tab character. - *) ECHO_C='\c';; - esac;; -*) - ECHO_N='-n';; -esac - -if expr a : '\(a\)' >/dev/null 2>&1 && - test "X`expr 00001 : '.*\(...\)'`" = X001; then - as_expr=expr -else - as_expr=false -fi - -rm -f conf$$ conf$$.exe conf$$.file -if test -d conf$$.dir; then - rm -f conf$$.dir/conf$$.file -else - rm -f conf$$.dir - mkdir conf$$.dir -fi -echo >conf$$.file -if ln -s conf$$.file conf$$ 2>/dev/null; then - as_ln_s='ln -s' - # ... but there are two gotchas: - # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. - # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. - # In both cases, we have to default to `cp -p'. - ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || - as_ln_s='cp -p' -elif ln conf$$.file conf$$ 2>/dev/null; then - as_ln_s=ln -else - as_ln_s='cp -p' -fi -rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file -rmdir conf$$.dir 2>/dev/null - -if mkdir -p . 2>/dev/null; then - as_mkdir_p=: -else - test -d ./-p && rmdir ./-p - as_mkdir_p=false -fi - -if test -x / >/dev/null 2>&1; then - as_test_x='test -x' -else - if ls -dL / >/dev/null 2>&1; then - as_ls_L_option=L - else - as_ls_L_option= - fi - as_test_x=' - eval sh -c '\'' - if test -d "$1"; then - test -d "$1/."; - else - case $1 in - -*)set "./$1";; - esac; - case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in - ???[sx]*):;;*)false;;esac;fi - '\'' sh - ' -fi -as_executable_p=$as_test_x - -# Sed expression to map a string onto a valid CPP name. -as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" - -# Sed expression to map a string onto a valid variable name. -as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" - - - - -# Check that we are running under the correct shell. -SHELL=${CONFIG_SHELL-/bin/sh} - -case X$ECHO in -X*--fallback-echo) - # Remove one level of quotation (which was required for Make). - ECHO=`echo "$ECHO" | sed 's,\\\\\$\\$0,'$0','` - ;; +case X$ECHO in +X*--fallback-echo) + # Remove one level of quotation (which was required for Make). + ECHO=`echo "$ECHO" | sed 's,\\\\\$\\$0,'$0','` + ;; esac echo=${ECHO-echo} @@ -703,10 +708,11 @@ tagnames=${tagnames+${tagnames},}CXX tagnames=${tagnames+${tagnames},}F77 -exec 7<&0 &1 +test -n "$DJDIR" || exec 7<&0 &1 # Name of the host. -# hostname on some systems (SVR3.2, Linux) returns a bogus exit status, +# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status, # so uname gets run too. ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q` @@ -721,7 +727,6 @@ cross_compiling=no subdirs= MFLAGS= MAKEFLAGS= -SHELL=${CONFIG_SHELL-/bin/sh} # Identity of this package. PACKAGE_NAME='PCRE' @@ -729,6 +734,7 @@ PACKAGE_TARNAME='pcre' PACKAGE_VERSION='7.8' PACKAGE_STRING='PCRE 7.8' PACKAGE_BUGREPORT='' +PACKAGE_URL='' ac_unique_file="pcre.h.in" # Factoring default headers for most tests. @@ -767,132 +773,164 @@ ac_includes_default="\ # include #endif" -ac_subst_vars='SHELL -PATH_SEPARATOR -PACKAGE_NAME -PACKAGE_TARNAME -PACKAGE_VERSION -PACKAGE_STRING -PACKAGE_BUGREPORT -exec_prefix -prefix -program_transform_name -bindir -sbindir -libexecdir -datarootdir -datadir -sysconfdir -sharedstatedir -localstatedir -includedir -oldincludedir -docdir -infodir -htmldir -dvidir -pdfdir -psdir -libdir -localedir -mandir -DEFS -ECHO_C -ECHO_N -ECHO_T -LIBS -build_alias -host_alias -target_alias -INSTALL_PROGRAM -INSTALL_SCRIPT -INSTALL_DATA -am__isrc -CYGPATH_W -PACKAGE -VERSION -ACLOCAL -AUTOCONF -AUTOMAKE -AUTOHEADER -MAKEINFO -install_sh -STRIP -INSTALL_STRIP_PROGRAM -mkdir_p -AWK -SET_MAKE -am__leading_dot -AMTAR -am__tar -am__untar -CC -CFLAGS -LDFLAGS -CPPFLAGS -ac_ct_CC -EXEEXT -OBJEXT -DEPDIR -am__include -am__quote -AMDEP_TRUE -AMDEP_FALSE -AMDEPBACKSLASH -CCDEPMODE -am__fastdepCC_TRUE -am__fastdepCC_FALSE -CXX -CXXFLAGS -ac_ct_CXX -CXXDEPMODE -am__fastdepCXX_TRUE -am__fastdepCXX_FALSE -build -build_cpu -build_vendor -build_os -host -host_cpu -host_vendor -host_os -SED -GREP -EGREP -LN_S -ECHO -AR -RANLIB -DSYMUTIL -NMEDIT -DLLTOOL -AS -OBJDUMP -CPP -CXXCPP -F77 -FFLAGS -ac_ct_F77 -LIBTOOL -PCRE_MAJOR -PCRE_MINOR -PCRE_PRERELEASE -PCRE_DATE -pcre_have_type_traits -pcre_have_bits_type_traits -WITH_PCRE_CPP_TRUE -WITH_PCRE_CPP_FALSE -WITH_REBUILD_CHARTABLES_TRUE -WITH_REBUILD_CHARTABLES_FALSE -pcre_have_long_long -pcre_have_ulong_long -EXTRA_LIBPCRE_LDFLAGS -EXTRA_LIBPCREPOSIX_LDFLAGS -EXTRA_LIBPCRECPP_LDFLAGS -DISTCHECK_CONFIGURE_FLAGS +ac_subst_vars='LTLIBOBJS LIBOBJS -LTLIBOBJS' +DISTCHECK_CONFIGURE_FLAGS +EXTRA_LIBPCRECPP_LDFLAGS +EXTRA_LIBPCREPOSIX_LDFLAGS +EXTRA_LIBPCRE_LDFLAGS +pcre_have_ulong_long +pcre_have_long_long +WITH_REBUILD_CHARTABLES_FALSE +WITH_REBUILD_CHARTABLES_TRUE +WITH_PCRE_CPP_FALSE +WITH_PCRE_CPP_TRUE +pcre_have_bits_type_traits +pcre_have_type_traits +PCRE_DATE +PCRE_PRERELEASE +PCRE_MINOR +PCRE_MAJOR +LIBTOOL +ac_ct_F77 +FFLAGS +F77 +CXXCPP +CPP +OBJDUMP +AS +DLLTOOL +NMEDIT +DSYMUTIL +RANLIB +AR +ECHO +LN_S +EGREP +GREP +SED +host_os +host_vendor +host_cpu +host +build_os +build_vendor +build_cpu +build +am__fastdepCXX_FALSE +am__fastdepCXX_TRUE +CXXDEPMODE +ac_ct_CXX +CXXFLAGS +CXX +am__fastdepCC_FALSE +am__fastdepCC_TRUE +CCDEPMODE +AMDEPBACKSLASH +AMDEP_FALSE +AMDEP_TRUE +am__quote +am__include +DEPDIR +OBJEXT +EXEEXT +ac_ct_CC +CPPFLAGS +LDFLAGS +CFLAGS +CC +am__untar +am__tar +AMTAR +am__leading_dot +SET_MAKE +AWK +mkdir_p +MKDIR_P +INSTALL_STRIP_PROGRAM +STRIP +install_sh +MAKEINFO +AUTOHEADER +AUTOMAKE +AUTOCONF +ACLOCAL +VERSION +PACKAGE +CYGPATH_W +am__isrc +INSTALL_DATA +INSTALL_SCRIPT +INSTALL_PROGRAM +target_alias +host_alias +build_alias +LIBS +ECHO_T +ECHO_N +ECHO_C +DEFS +mandir +localedir +libdir +psdir +pdfdir +dvidir +htmldir +infodir +docdir +oldincludedir +includedir +localstatedir +sharedstatedir +sysconfdir +datadir +datarootdir +libexecdir +sbindir +bindir +program_transform_name +prefix +exec_prefix +PACKAGE_URL +PACKAGE_BUGREPORT +PACKAGE_STRING +PACKAGE_VERSION +PACKAGE_TARNAME +PACKAGE_NAME +PATH_SEPARATOR +SHELL' ac_subst_files='' +ac_user_opts=' +enable_option_checking +enable_dependency_tracking +enable_shared +enable_static +enable_fast_install +with_gnu_ld +enable_libtool_lock +with_pic +with_tags +enable_cpp +enable_rebuild_chartables +enable_utf8 +enable_unicode_properties +enable_newline_is_cr +enable_newline_is_lf +enable_newline_is_crlf +enable_newline_is_anycrlf +enable_newline_is_any +enable_bsr_anycrlf +enable_ebcdic +enable_stack_for_recursion +enable_pcregrep_libz +enable_pcregrep_libbz2 +enable_pcretest_libreadline +with_posix_malloc_threshold +with_link_size +with_match_limit +with_match_limit_recursion +' ac_precious_vars='build_alias host_alias target_alias @@ -913,6 +951,8 @@ FFLAGS' # Initialize some variables set by options. ac_init_help= ac_init_version=false +ac_unrecognized_opts= +ac_unrecognized_sep= # The variables have the same names as the options, with # dashes changed to underlines. cache_file=/dev/null @@ -968,8 +1008,9 @@ do fi case $ac_option in - *=*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;; - *) ac_optarg=yes ;; + *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;; + *=) ac_optarg= ;; + *) ac_optarg=yes ;; esac # Accept the important Cygnus configure options, so we can diagnose typos. @@ -1011,13 +1052,20 @@ do datarootdir=$ac_optarg ;; -disable-* | --disable-*) - ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'` + ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'` # Reject names that are not valid shell variable names. - expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null && - { echo "$as_me: error: invalid feature name: $ac_feature" >&2 - { (exit 1); exit 1; }; } - ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'` - eval enable_$ac_feature=no ;; + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && + as_fn_error $? "invalid feature name: $ac_useropt" + ac_useropt_orig=$ac_useropt + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` + case $ac_user_opts in + *" +"enable_$ac_useropt" +"*) ;; + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig" + ac_unrecognized_sep=', ';; + esac + eval enable_$ac_useropt=no ;; -docdir | --docdir | --docdi | --doc | --do) ac_prev=docdir ;; @@ -1030,13 +1078,20 @@ do dvidir=$ac_optarg ;; -enable-* | --enable-*) - ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'` + ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'` # Reject names that are not valid shell variable names. - expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null && - { echo "$as_me: error: invalid feature name: $ac_feature" >&2 - { (exit 1); exit 1; }; } - ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'` - eval enable_$ac_feature=\$ac_optarg ;; + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && + as_fn_error $? "invalid feature name: $ac_useropt" + ac_useropt_orig=$ac_useropt + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` + case $ac_user_opts in + *" +"enable_$ac_useropt" +"*) ;; + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig" + ac_unrecognized_sep=', ';; + esac + eval enable_$ac_useropt=\$ac_optarg ;; -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \ | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \ @@ -1227,22 +1282,36 @@ do ac_init_version=: ;; -with-* | --with-*) - ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'` + ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'` # Reject names that are not valid shell variable names. - expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null && - { echo "$as_me: error: invalid package name: $ac_package" >&2 - { (exit 1); exit 1; }; } - ac_package=`echo $ac_package | sed 's/[-.]/_/g'` - eval with_$ac_package=\$ac_optarg ;; + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && + as_fn_error $? "invalid package name: $ac_useropt" + ac_useropt_orig=$ac_useropt + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` + case $ac_user_opts in + *" +"with_$ac_useropt" +"*) ;; + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig" + ac_unrecognized_sep=', ';; + esac + eval with_$ac_useropt=\$ac_optarg ;; -without-* | --without-*) - ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'` + ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'` # Reject names that are not valid shell variable names. - expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null && - { echo "$as_me: error: invalid package name: $ac_package" >&2 - { (exit 1); exit 1; }; } - ac_package=`echo $ac_package | sed 's/[-.]/_/g'` - eval with_$ac_package=no ;; + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && + as_fn_error $? "invalid package name: $ac_useropt" + ac_useropt_orig=$ac_useropt + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` + case $ac_user_opts in + *" +"with_$ac_useropt" +"*) ;; + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig" + ac_unrecognized_sep=', ';; + esac + eval with_$ac_useropt=no ;; --x) # Obsolete; use --with-x. @@ -1262,26 +1331,26 @@ do | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*) x_libraries=$ac_optarg ;; - -*) { echo "$as_me: error: unrecognized option: $ac_option -Try \`$0 --help' for more information." >&2 - { (exit 1); exit 1; }; } + -*) as_fn_error $? "unrecognized option: \`$ac_option' +Try \`$0 --help' for more information" ;; *=*) ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='` # Reject names that are not valid shell variable names. - expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null && - { echo "$as_me: error: invalid variable name: $ac_envvar" >&2 - { (exit 1); exit 1; }; } + case $ac_envvar in #( + '' | [0-9]* | *[!_$as_cr_alnum]* ) + as_fn_error $? "invalid variable name: \`$ac_envvar'" ;; + esac eval $ac_envvar=\$ac_optarg export $ac_envvar ;; *) # FIXME: should be removed in autoconf 3.0. - echo "$as_me: WARNING: you should use --build, --host, --target" >&2 + $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2 expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null && - echo "$as_me: WARNING: invalid host type: $ac_option" >&2 - : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option} + $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2 + : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}" ;; esac @@ -1289,23 +1358,36 @@ done if test -n "$ac_prev"; then ac_option=--`echo $ac_prev | sed 's/_/-/g'` - { echo "$as_me: error: missing argument to $ac_option" >&2 - { (exit 1); exit 1; }; } + as_fn_error $? "missing argument to $ac_option" +fi + +if test -n "$ac_unrecognized_opts"; then + case $enable_option_checking in + no) ;; + fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;; + *) $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;; + esac fi -# Be sure to have absolute directory names. +# Check all directory arguments for consistency. for ac_var in exec_prefix prefix bindir sbindir libexecdir datarootdir \ datadir sysconfdir sharedstatedir localstatedir includedir \ oldincludedir docdir infodir htmldir dvidir pdfdir psdir \ libdir localedir mandir do eval ac_val=\$$ac_var + # Remove trailing slashes. + case $ac_val in + */ ) + ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'` + eval $ac_var=\$ac_val;; + esac + # Be sure to have absolute directory names. case $ac_val in [\\/$]* | ?:[\\/]* ) continue;; NONE | '' ) case $ac_var in *prefix ) continue;; esac;; esac - { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2 - { (exit 1); exit 1; }; } + as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val" done # There might be people who depend on the old broken behavior: `$host' @@ -1319,8 +1401,6 @@ target=$target_alias if test "x$host_alias" != x; then if test "x$build_alias" = x; then cross_compiling=maybe - echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host. - If a cross compiler is detected then cross compile mode will be used." >&2 elif test "x$build_alias" != "x$host_alias"; then cross_compiling=yes fi @@ -1335,23 +1415,21 @@ test "$silent" = yes && exec 6>/dev/null ac_pwd=`pwd` && test -n "$ac_pwd" && ac_ls_di=`ls -di .` && ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` || - { echo "$as_me: error: Working directory cannot be determined" >&2 - { (exit 1); exit 1; }; } + as_fn_error $? "working directory cannot be determined" test "X$ac_ls_di" = "X$ac_pwd_ls_di" || - { echo "$as_me: error: pwd does not report name of working directory" >&2 - { (exit 1); exit 1; }; } + as_fn_error $? "pwd does not report name of working directory" # Find the source files, if location was not specified. if test -z "$srcdir"; then ac_srcdir_defaulted=yes # Try the directory containing this script, then the parent directory. - ac_confdir=`$as_dirname -- "$0" || -$as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ - X"$0" : 'X\(//\)[^/]' \| \ - X"$0" : 'X\(//\)$' \| \ - X"$0" : 'X\(/\)' \| . 2>/dev/null || -echo X"$0" | + ac_confdir=`$as_dirname -- "$as_myself" || +$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_myself" : 'X\(//\)[^/]' \| \ + X"$as_myself" : 'X\(//\)$' \| \ + X"$as_myself" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_myself" | sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/ q @@ -1378,13 +1456,11 @@ else fi if test ! -r "$srcdir/$ac_unique_file"; then test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .." - { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2 - { (exit 1); exit 1; }; } + as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir" fi ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work" ac_abs_confdir=`( - cd "$srcdir" && test -r "./$ac_unique_file" || { echo "$as_me: error: $ac_msg" >&2 - { (exit 1); exit 1; }; } + cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg" pwd)` # When building in place, set srcdir=. if test "$ac_abs_confdir" = "$ac_pwd"; then @@ -1424,7 +1500,7 @@ Configuration: --help=short display options specific to this package --help=recursive display the short help of all the included packages -V, --version display version information and exit - -q, --quiet, --silent do not print \`checking...' messages + -q, --quiet, --silent do not print \`checking ...' messages --cache-file=FILE cache test results in FILE [disabled] -C, --config-cache alias for \`--cache-file=config.cache' -n, --no-create do not create output files @@ -1432,9 +1508,9 @@ Configuration: Installation directories: --prefix=PREFIX install architecture-independent files in PREFIX - [$ac_default_prefix] + [$ac_default_prefix] --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX - [PREFIX] + [PREFIX] By default, \`make install' will install all the files in \`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify @@ -1444,25 +1520,25 @@ for instance \`--prefix=\$HOME'. For better control, use the options below. Fine tuning of the installation directories: - --bindir=DIR user executables [EPREFIX/bin] - --sbindir=DIR system admin executables [EPREFIX/sbin] - --libexecdir=DIR program executables [EPREFIX/libexec] - --sysconfdir=DIR read-only single-machine data [PREFIX/etc] - --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] - --localstatedir=DIR modifiable single-machine data [PREFIX/var] - --libdir=DIR object code libraries [EPREFIX/lib] - --includedir=DIR C header files [PREFIX/include] - --oldincludedir=DIR C header files for non-gcc [/usr/include] - --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] - --datadir=DIR read-only architecture-independent data [DATAROOTDIR] - --infodir=DIR info documentation [DATAROOTDIR/info] - --localedir=DIR locale-dependent data [DATAROOTDIR/locale] - --mandir=DIR man documentation [DATAROOTDIR/man] - --docdir=DIR documentation root [DATAROOTDIR/doc/pcre] - --htmldir=DIR html documentation [DOCDIR] - --dvidir=DIR dvi documentation [DOCDIR] - --pdfdir=DIR pdf documentation [DOCDIR] - --psdir=DIR ps documentation [DOCDIR] + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR system admin executables [EPREFIX/sbin] + --libexecdir=DIR program executables [EPREFIX/libexec] + --sysconfdir=DIR read-only single-machine data [PREFIX/etc] + --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] + --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --libdir=DIR object code libraries [EPREFIX/lib] + --includedir=DIR C header files [PREFIX/include] + --oldincludedir=DIR C header files for non-gcc [/usr/include] + --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] + --datadir=DIR read-only architecture-independent data [DATAROOTDIR] + --infodir=DIR info documentation [DATAROOTDIR/info] + --localedir=DIR locale-dependent data [DATAROOTDIR/locale] + --mandir=DIR man documentation [DATAROOTDIR/man] + --docdir=DIR documentation root [DATAROOTDIR/doc/pcre] + --htmldir=DIR html documentation [DOCDIR] + --dvidir=DIR dvi documentation [DOCDIR] + --pdfdir=DIR pdf documentation [DOCDIR] + --psdir=DIR ps documentation [DOCDIR] _ACEOF cat <<\_ACEOF @@ -1485,6 +1561,7 @@ if test -n "$ac_init_help"; then cat <<\_ACEOF Optional Features: + --disable-option-checking ignore unrecognized --enable/--with options --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) --enable-FEATURE[=ARG] include FEATURE [ARG=yes] --disable-dependency-tracking speeds up one-time build @@ -1541,7 +1618,7 @@ Some influential environment variables: LDFLAGS linker flags, e.g. -L if you have libraries in a nonstandard directory LIBS libraries to pass to the linker, e.g. -l - CPPFLAGS C/C++/Objective C preprocessor flags, e.g. -I if + CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I if you have headers in a nonstandard directory CXX C++ compiler command CXXFLAGS C++ compiler flags @@ -1553,6 +1630,7 @@ Some influential environment variables: Use these variables to override the choices made by `configure' or to help it to find libraries and programs with nonstandard names/locations. +Report bugs to the package provider. _ACEOF ac_status=$? fi @@ -1560,15 +1638,17 @@ fi if test "$ac_init_help" = "recursive"; then # If there are subdirs, report their specific --help. for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue - test -d "$ac_dir" || continue + test -d "$ac_dir" || + { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } || + continue ac_builddir=. case "$ac_dir" in .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; *) - ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'` + ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'` # A ".." for each directory in $ac_dir_suffix. - ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'` + ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` case $ac_top_builddir_sub in "") ac_top_builddir_sub=. ac_top_build_prefix= ;; *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; @@ -1604,7 +1684,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix echo && $SHELL "$ac_srcdir/configure" --help=recursive else - echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2 + $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2 fi || ac_status=$? cd "$ac_pwd" || { ac_status=$?; break; } done @@ -1614,838 +1694,1527 @@ test -n "$ac_init_help" && exit $ac_status if $ac_init_version; then cat <<\_ACEOF PCRE configure 7.8 -generated by GNU Autoconf 2.61 +generated by GNU Autoconf 2.69 -Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, -2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +Copyright (C) 2012 Free Software Foundation, Inc. This configure script is free software; the Free Software Foundation gives unlimited permission to copy, distribute and modify it. _ACEOF exit fi -cat >config.log <<_ACEOF -This file contains any messages produced by compilers while -running configure, to aid debugging if configure makes a mistake. -It was created by PCRE $as_me 7.8, which was -generated by GNU Autoconf 2.61. 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Assumes +# that executables *can* be run. +ac_fn_c_try_run () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { ac_try='./conftest$ac_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + ac_retval=0 +else + $as_echo "$as_me: program exited with status $ac_status" >&5 + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 -# confdefs.h avoids OS command line length limits that DEFS can exceed. -rm -f -r conftest* confdefs.h + ac_retval=$ac_status +fi + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval -# Predefined preprocessor variables. +} # ac_fn_c_try_run -cat >>confdefs.h <<_ACEOF -#define PACKAGE_NAME "$PACKAGE_NAME" +# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES +# ------------------------------------------------------- +# Tests whether HEADER exists and can be compiled using the include files in +# INCLUDES, setting the cache variable VAR accordingly. +ac_fn_c_check_header_compile () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +#include <$2> _ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno +} # ac_fn_c_check_header_compile -cat >>confdefs.h <<_ACEOF -#define PACKAGE_TARNAME "$PACKAGE_TARNAME" -_ACEOF - +# ac_fn_c_check_func LINENO FUNC VAR +# ---------------------------------- +# Tests whether FUNC exists, setting the cache variable VAR accordingly +ac_fn_c_check_func () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Define $2 to an innocuous variant, in case declares $2. + For example, HP-UX 11i declares gettimeofday. */ +#define $2 innocuous_$2 -cat >>confdefs.h <<_ACEOF -#define PACKAGE_VERSION "$PACKAGE_VERSION" -_ACEOF +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $2 (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ +#ifdef __STDC__ +# include +#else +# include +#endif -cat >>confdefs.h <<_ACEOF -#define PACKAGE_STRING "$PACKAGE_STRING" -_ACEOF +#undef $2 +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char $2 (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_$2 || defined __stub___$2 +choke me +#endif -cat >>confdefs.h <<_ACEOF -#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT" +int +main () +{ +return $2 (); + ; + return 0; +} _ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno +} # ac_fn_c_check_func -# Let the site file select an alternate cache file if it wants to. -# Prefer explicitly selected file to automatically selected ones. -if test -n "$CONFIG_SITE"; then - set x "$CONFIG_SITE" -elif test "x$prefix" != xNONE; then - set x "$prefix/share/config.site" "$prefix/etc/config.site" +# ac_fn_cxx_try_cpp LINENO +# ------------------------ +# Try to preprocess conftest.$ac_ext, and return whether this succeeded. +ac_fn_cxx_try_cpp () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } > conftest.i && { + test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || + test ! -s conftest.err + }; then : + ac_retval=0 else - set x "$ac_default_prefix/share/config.site" \ - "$ac_default_prefix/etc/config.site" + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 fi -shift -for ac_site_file -do - if test -r "$ac_site_file"; then - { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5 -echo "$as_me: loading site script $ac_site_file" >&6;} - sed 's/^/| /' "$ac_site_file" >&5 - . "$ac_site_file" - fi -done + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval -if test -r "$cache_file"; then - # Some versions of bash will fail to source /dev/null (special - # files actually), so we avoid doing that. - if test -f "$cache_file"; then - { echo "$as_me:$LINENO: loading cache $cache_file" >&5 -echo "$as_me: loading cache $cache_file" >&6;} - case $cache_file in - [\\/]* | ?:[\\/]* ) . "$cache_file";; - *) . "./$cache_file";; - esac +} # ac_fn_cxx_try_cpp + +# ac_fn_cxx_try_link LINENO +# ------------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. +ac_fn_cxx_try_link () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext conftest$ac_exeext + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_cxx_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && { + test "$cross_compiling" = yes || + test -x conftest$ac_exeext + }; then : + ac_retval=0 else - { echo "$as_me:$LINENO: creating cache $cache_file" >&5 -echo "$as_me: creating cache $cache_file" >&6;} - >$cache_file + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 fi + # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information + # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would + # interfere with the next link command; also delete a directory that is + # left behind by Apple's compiler. We do this before executing the actions. + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval -# Check that the precious variables saved in the cache have kept the same -# value. -ac_cache_corrupted=false -for ac_var in $ac_precious_vars; do - eval ac_old_set=\$ac_cv_env_${ac_var}_set - eval ac_new_set=\$ac_env_${ac_var}_set - eval ac_old_val=\$ac_cv_env_${ac_var}_value - eval ac_new_val=\$ac_env_${ac_var}_value - case $ac_old_set,$ac_new_set in - set,) - { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 -echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} - ac_cache_corrupted=: ;; - ,set) - { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5 -echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} - ac_cache_corrupted=: ;; - ,);; - *) - if test "x$ac_old_val" != "x$ac_new_val"; then - { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5 -echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} - { echo "$as_me:$LINENO: former value: $ac_old_val" >&5 -echo "$as_me: former value: $ac_old_val" >&2;} - { echo "$as_me:$LINENO: current value: $ac_new_val" >&5 -echo "$as_me: current value: $ac_new_val" >&2;} - ac_cache_corrupted=: - fi;; - esac - # Pass precious variables to config.status. - if test "$ac_new_set" = set; then - case $ac_new_val in - *\'*) ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; - *) ac_arg=$ac_var=$ac_new_val ;; - esac - case " $ac_configure_args " in - *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. - *) ac_configure_args="$ac_configure_args '$ac_arg'" ;; - esac - fi -done -if $ac_cache_corrupted; then - { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5 -echo "$as_me: error: changes in the environment can compromise the build" >&2;} - { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5 -echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;} - { (exit 1); exit 1; }; } -fi - - - - - - - - - - - +} # ac_fn_cxx_try_link +# ac_fn_f77_try_compile LINENO +# ---------------------------- +# Try to compile conftest.$ac_ext, and return whether this succeeded. +ac_fn_f77_try_compile () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext + if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_f77_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval +} # ac_fn_f77_try_compile +# ac_fn_f77_try_link LINENO +# ------------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. +ac_fn_f77_try_link () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext conftest$ac_exeext + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_f77_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && { + test "$cross_compiling" = yes || + test -x conftest$ac_exeext + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_retval=1 +fi + # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information + # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would + # interfere with the next link command; also delete a directory that is + # left behind by Apple's compiler. We do this before executing the actions. + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval +} # ac_fn_f77_try_link +# ac_fn_cxx_check_header_mongrel LINENO HEADER VAR INCLUDES +# --------------------------------------------------------- +# Tests whether HEADER exists, giving a warning if it cannot be compiled using +# the include files in INCLUDES and setting the cache variable VAR +# accordingly. +ac_fn_cxx_check_header_mongrel () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if eval \${$3+:} false; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +else + # Is the header compilable? +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5 +$as_echo_n "checking $2 usability... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +#include <$2> +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + ac_header_compiler=yes +else + ac_header_compiler=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5 +$as_echo "$ac_header_compiler" >&6; } +# Is the header present? +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5 +$as_echo_n "checking $2 presence... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <$2> +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + ac_header_preproc=yes +else + ac_header_preproc=no +fi +rm -f conftest.err conftest.i conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5 +$as_echo "$ac_header_preproc" >&6; } +# So? 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"source directory already configured; run \"make distclean\" there first" "$LINENO" 5 + fi +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='pcre' + VERSION='7.8' + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE "$PACKAGE" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define VERSION "$VERSION" +_ACEOF + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"} + +# Installed binaries are usually stripped using `strip' when the user +# run `make install-strip'. However `strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the `STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else STRIP="$ac_cv_prog_STRIP" fi @@ -2488,10 +3257,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. set dummy ${ac_tool_prefix}gcc; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_CC+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. @@ -2501,25 +3270,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}gcc" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then - { echo "$as_me:$LINENO: result: $CC" >&5 -echo "${ECHO_T}$CC" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -2528,10 +3297,10 @@ if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "gcc", so it can be a program name with args. set dummy gcc; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_CC+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. @@ -2541,25 +3310,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="gcc" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then - { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 -echo "${ECHO_T}$ac_ct_CC" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi if test "x$ac_ct_CC" = x; then @@ -2567,12 +3336,8 @@ fi else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac CC=$ac_ct_CC @@ -2585,10 +3350,10 @@ if test -z "$CC"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. set dummy ${ac_tool_prefix}cc; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_CC+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. @@ -2598,25 +3363,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}cc" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then - { echo "$as_me:$LINENO: result: $CC" >&5 -echo "${ECHO_T}$CC" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -2625,10 +3390,10 @@ fi if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_CC+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. @@ -2639,18 +3404,18 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then ac_prog_rejected=yes continue fi ac_cv_prog_CC="cc" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS if test $ac_prog_rejected = yes; then @@ -2669,11 +3434,11 @@ fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then - { echo "$as_me:$LINENO: result: $CC" >&5 -echo "${ECHO_T}$CC" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -2684,10 +3449,10 @@ if test -z "$CC"; then do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_CC+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. @@ -2697,25 +3462,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="$ac_tool_prefix$ac_prog" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then - { echo "$as_me:$LINENO: result: $CC" >&5 -echo "${ECHO_T}$CC" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -2728,10 +3493,10 @@ if test -z "$CC"; then do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_CC+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. @@ -2741,25 +3506,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="$ac_prog" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then - { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 -echo "${ECHO_T}$ac_ct_CC" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -2771,12 +3536,8 @@ done else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac CC=$ac_ct_CC @@ -2786,51 +3547,37 @@ fi fi -test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH -See \`config.log' for more details." >&5 -echo "$as_me: error: no acceptable C compiler found in \$PATH -See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } # Provide some information about the compiler. -echo "$as_me:$LINENO: checking for C compiler version" >&5 -ac_compiler=`set X $ac_compile; echo $2` -{ (ac_try="$ac_compiler --version >&5" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compiler --version >&5") 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } -{ (ac_try="$ac_compiler -v >&5" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compiler -v >&5") 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } -{ (ac_try="$ac_compiler -V >&5" +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compiler -V >&5") 2>&5 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -2842,42 +3589,38 @@ main () } _ACEOF ac_clean_files_save=$ac_clean_files -ac_clean_files="$ac_clean_files a.out a.exe b.out" +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" # Try to create an executable without -o first, disregard a.out. # It will help us diagnose broken compilers, and finding out an intuition # of exeext. -{ echo "$as_me:$LINENO: checking for C compiler default output file name" >&5 -echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6; } -ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` -# -# List of possible output files, starting from the most likely. -# The algorithm is not robust to junk in `.', hence go to wildcards (a.*) -# only as a last resort. b.out is created by i960 compilers. -ac_files='a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out' -# -# The IRIX 6 linker writes into existing files which may not be -# executable, retaining their permissions. Remove them first so a -# subsequent execution test works. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... " >&6; } +ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + ac_rmfiles= for ac_file in $ac_files do case $ac_file in - *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;; + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; * ) ac_rmfiles="$ac_rmfiles $ac_file";; esac done rm -f $ac_rmfiles -if { (ac_try="$ac_link_default" +if { { ac_try="$ac_link_default" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 (eval "$ac_link_default") 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. # So ignore a value of `no', otherwise this would lead to `EXEEXT = no' # in a Makefile. We should not override ac_cv_exeext if it was cached, @@ -2887,14 +3630,14 @@ for ac_file in $ac_files '' do test -f "$ac_file" || continue case $ac_file in - *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; [ab].out ) # We found the default executable, but exeext='' is most # certainly right. break;; *.* ) - if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; then :; else ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` fi @@ -2913,78 +3656,41 @@ test "$ac_cv_exeext" = no && ac_cv_exeext= else ac_file='' fi - -{ echo "$as_me:$LINENO: result: $ac_file" >&5 -echo "${ECHO_T}$ac_file" >&6; } -if test -z "$ac_file"; then - echo "$as_me: failed program was:" >&5 +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -{ { echo "$as_me:$LINENO: error: C compiler cannot create executables -See \`config.log' for more details." >&5 -echo "$as_me: error: C compiler cannot create executables -See \`config.log' for more details." >&2;} - { (exit 77); exit 77; }; } +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } fi - +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5 +$as_echo "$ac_file" >&6; } ac_exeext=$ac_cv_exeext -# Check that the compiler produces executables we can run. If not, either -# the compiler is broken, or we cross compile. -{ echo "$as_me:$LINENO: checking whether the C compiler works" >&5 -echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6; } -# FIXME: These cross compiler hacks should be removed for Autoconf 3.0 -# If not cross compiling, check that we can run a simple program. -if test "$cross_compiling" != yes; then - if { ac_try='./$ac_file' - { (case "(($ac_try" in +rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5 +$as_echo_n "checking for suffix of executables... " >&6; } +if { { ac_try="$ac_link" +case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_try") 2>&5 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - cross_compiling=no - else - if test "$cross_compiling" = maybe; then - cross_compiling=yes - else - { { echo "$as_me:$LINENO: error: cannot run C compiled programs. -If you meant to cross compile, use \`--host'. -See \`config.log' for more details." >&5 -echo "$as_me: error: cannot run C compiled programs. -If you meant to cross compile, use \`--host'. -See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } - fi - fi -fi -{ echo "$as_me:$LINENO: result: yes" >&5 -echo "${ECHO_T}yes" >&6; } - -rm -f a.out a.exe conftest$ac_cv_exeext b.out -ac_clean_files=$ac_clean_files_save -# Check that the compiler produces executables we can run. If not, either -# the compiler is broken, or we cross compile. -{ echo "$as_me:$LINENO: checking whether we are cross compiling" >&5 -echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6; } -{ echo "$as_me:$LINENO: result: $cross_compiling" >&5 -echo "${ECHO_T}$cross_compiling" >&6; } - -{ echo "$as_me:$LINENO: checking for suffix of executables" >&5 -echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6; } -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : # If both `conftest.exe' and `conftest' are `present' (well, observable) # catch `conftest.exe'. For instance with Cygwin, `ls conftest' will # work properly (i.e., refer to `conftest.exe'), while it won't with @@ -2992,37 +3698,90 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 for ac_file in conftest.exe conftest conftest.*; do test -f "$ac_file" || continue case $ac_file in - *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;; + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` break;; * ) break;; esac done else - { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link -See \`config.log' for more details." >&5 -echo "$as_me: error: cannot compute suffix of executables: cannot compile and link -See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } fi - -rm -f conftest$ac_cv_exeext -{ echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5 -echo "${ECHO_T}$ac_cv_exeext" >&6; } +rm -f conftest conftest$ac_cv_exeext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +$as_echo "$ac_cv_exeext" >&6; } rm -f conftest.$ac_ext EXEEXT=$ac_cv_exeext ac_exeext=$EXEEXT -{ echo "$as_me:$LINENO: checking for suffix of object files" >&5 -echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6; } -if test "${ac_cv_objext+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} _ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +$as_echo_n "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +$as_echo "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +$as_echo_n "checking for suffix of object files... " >&6; } +if ${ac_cv_objext+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -3034,51 +3793,46 @@ main () } _ACEOF rm -f conftest.o conftest.obj -if { (ac_try="$ac_compile" +if { { ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 (eval "$ac_compile") 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : for ac_file in conftest.o conftest.obj conftest.*; do test -f "$ac_file" || continue; case $ac_file in - *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf ) ;; + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` break;; esac done else - echo "$as_me: failed program was:" >&5 + $as_echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile -See \`config.log' for more details." >&5 -echo "$as_me: error: cannot compute suffix of object files: cannot compile -See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of object files: cannot compile +See \`config.log' for more details" "$LINENO" 5; } fi - rm -f conftest.$ac_cv_objext conftest.$ac_ext fi -{ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5 -echo "${ECHO_T}$ac_cv_objext" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +$as_echo "$ac_cv_objext" >&6; } OBJEXT=$ac_cv_objext ac_objext=$OBJEXT -{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5 -echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; } -if test "${ac_cv_c_compiler_gnu+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -3092,54 +3846,34 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then +if ac_fn_c_try_compile "$LINENO"; then : ac_compiler_gnu=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_compiler_gnu=no + ac_compiler_gnu=no fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ac_cv_c_compiler_gnu=$ac_compiler_gnu fi -{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5 -echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; } -GCC=`test $ac_compiler_gnu = yes && echo yes` +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi ac_test_CFLAGS=${CFLAGS+set} ac_save_CFLAGS=$CFLAGS -{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5 -echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; } -if test "${ac_cv_prog_cc_g+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 else ac_save_c_werror_flag=$ac_c_werror_flag ac_c_werror_flag=yes ac_cv_prog_cc_g=no CFLAGS="-g" - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -3150,34 +3884,11 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then +if ac_fn_c_try_compile "$LINENO"; then : ac_cv_prog_cc_g=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - CFLAGS="" - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -3188,35 +3899,12 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - : -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 +if ac_fn_c_try_compile "$LINENO"; then : - ac_c_werror_flag=$ac_save_c_werror_flag +else + ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="-g" - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -3227,42 +3915,18 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then +if ac_fn_c_try_compile "$LINENO"; then : ac_cv_prog_cc_g=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ac_c_werror_flag=$ac_save_c_werror_flag fi -{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5 -echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } if test "$ac_test_CFLAGS" = set; then CFLAGS=$ac_save_CFLAGS elif test $ac_cv_prog_cc_g = yes; then @@ -3278,23 +3942,18 @@ else CFLAGS= fi fi -{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5 -echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; } -if test "${ac_cv_prog_cc_c89+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 else ac_cv_prog_cc_c89=no ac_save_CC=$CC -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include -#include -#include +struct stat; /* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ struct buf { int x; }; FILE * (*rcsopen) (struct buf *, struct stat *, int); @@ -3346,31 +4005,9 @@ for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" do CC="$ac_save_CC $ac_arg" - rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then + if ac_fn_c_try_compile "$LINENO"; then : ac_cv_prog_cc_c89=$ac_arg -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - rm -f core conftest.err conftest.$ac_objext test "x$ac_cv_prog_cc_c89" != "xno" && break done @@ -3381,17 +4018,19 @@ fi # AC_CACHE_VAL case "x$ac_cv_prog_cc_c89" in x) - { echo "$as_me:$LINENO: result: none needed" >&5 -echo "${ECHO_T}none needed" >&6; } ;; + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; xno) - { echo "$as_me:$LINENO: result: unsupported" >&5 -echo "${ECHO_T}unsupported" >&6; } ;; + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; *) CC="$CC $ac_cv_prog_cc_c89" - { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5 -echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;; + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; esac +if test "x$ac_cv_prog_cc_c89" != xno; then : +fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' @@ -3410,8 +4049,8 @@ am__doit: .PHONY: am__doit END # If we don't find an include directive, just comment out the code. -{ echo "$as_me:$LINENO: checking for style of include used by $am_make" >&5 -echo $ECHO_N "checking for style of include used by $am_make... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5 +$as_echo_n "checking for style of include used by $am_make... " >&6; } am__include="#" am__quote= _am_result=none @@ -3438,12 +4077,12 @@ if test "$am__include" = "#"; then fi -{ echo "$as_me:$LINENO: result: $_am_result" >&5 -echo "${ECHO_T}$_am_result" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5 +$as_echo "$_am_result" >&6; } rm -f confinc confmf # Check whether --enable-dependency-tracking was given. -if test "${enable_dependency_tracking+set}" = set; then +if test "${enable_dependency_tracking+set}" = set; then : enableval=$enable_dependency_tracking; fi @@ -3463,10 +4102,10 @@ fi depcc="$CC" am_compiler_list= -{ echo "$as_me:$LINENO: checking dependency style of $depcc" >&5 -echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6; } -if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +$as_echo_n "checking dependency style of $depcc... " >&6; } +if ${am_cv_CC_dependencies_compiler_type+:} false; then : + $as_echo_n "(cached) " >&6 else if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then # We make a subdir and do the tests there. Otherwise we can end up @@ -3554,8 +4193,8 @@ else fi fi -{ echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5 -echo "${ECHO_T}$am_cv_CC_dependencies_compiler_type" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type if @@ -3583,10 +4222,10 @@ if test -z "$CXX"; then do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_CXX+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CXX+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$CXX"; then ac_cv_prog_CXX="$CXX" # Let the user override the test. @@ -3596,25 +4235,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CXX="$ac_tool_prefix$ac_prog" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi CXX=$ac_cv_prog_CXX if test -n "$CXX"; then - { echo "$as_me:$LINENO: result: $CXX" >&5 -echo "${ECHO_T}$CXX" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5 +$as_echo "$CXX" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -3627,10 +4266,10 @@ if test -z "$CXX"; then do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CXX+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_CXX"; then ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test. @@ -3640,25 +4279,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CXX="$ac_prog" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_CXX=$ac_cv_prog_ac_ct_CXX if test -n "$ac_ct_CXX"; then - { echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5 -echo "${ECHO_T}$ac_ct_CXX" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5 +$as_echo "$ac_ct_CXX" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -3670,12 +4309,8 @@ done else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac CXX=$ac_ct_CXX @@ -3685,49 +4320,36 @@ fi fi fi # Provide some information about the compiler. -echo "$as_me:$LINENO: checking for C++ compiler version" >&5 -ac_compiler=`set X $ac_compile; echo $2` -{ (ac_try="$ac_compiler --version >&5" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compiler --version >&5") 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } -{ (ac_try="$ac_compiler -v >&5" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compiler -v >&5") 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } -{ (ac_try="$ac_compiler -V >&5" +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compiler -V >&5") 2>&5 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done -{ echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5 -echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6; } -if test "${ac_cv_cxx_compiler_gnu+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5 +$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; } +if ${ac_cv_cxx_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -3741,54 +4363,34 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_cxx_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then +if ac_fn_cxx_try_compile "$LINENO"; then : ac_compiler_gnu=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_compiler_gnu=no + ac_compiler_gnu=no fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ac_cv_cxx_compiler_gnu=$ac_compiler_gnu fi -{ echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5 -echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6; } -GXX=`test $ac_compiler_gnu = yes && echo yes` +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5 +$as_echo "$ac_cv_cxx_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GXX=yes +else + GXX= +fi ac_test_CXXFLAGS=${CXXFLAGS+set} ac_save_CXXFLAGS=$CXXFLAGS -{ echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5 -echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6; } -if test "${ac_cv_prog_cxx_g+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5 +$as_echo_n "checking whether $CXX accepts -g... " >&6; } +if ${ac_cv_prog_cxx_g+:} false; then : + $as_echo_n "(cached) " >&6 else ac_save_cxx_werror_flag=$ac_cxx_werror_flag ac_cxx_werror_flag=yes ac_cv_prog_cxx_g=no CXXFLAGS="-g" - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -3799,34 +4401,11 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_cxx_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then +if ac_fn_cxx_try_compile "$LINENO"; then : ac_cv_prog_cxx_g=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - CXXFLAGS="" - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + CXXFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -3837,35 +4416,12 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_cxx_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - : -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 +if ac_fn_cxx_try_compile "$LINENO"; then : - ac_cxx_werror_flag=$ac_save_cxx_werror_flag +else + ac_cxx_werror_flag=$ac_save_cxx_werror_flag CXXFLAGS="-g" - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -3876,42 +4432,18 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_cxx_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then +if ac_fn_cxx_try_compile "$LINENO"; then : ac_cv_prog_cxx_g=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ac_cxx_werror_flag=$ac_save_cxx_werror_flag fi -{ echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5 -echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5 +$as_echo "$ac_cv_prog_cxx_g" >&6; } if test "$ac_test_CXXFLAGS" = set; then CXXFLAGS=$ac_save_CXXFLAGS elif test $ac_cv_prog_cxx_g = yes; then @@ -3935,10 +4467,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu depcc="$CXX" am_compiler_list= -{ echo "$as_me:$LINENO: checking dependency style of $depcc" >&5 -echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6; } -if test "${am_cv_CXX_dependencies_compiler_type+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +$as_echo_n "checking dependency style of $depcc... " >&6; } +if ${am_cv_CXX_dependencies_compiler_type+:} false; then : + $as_echo_n "(cached) " >&6 else if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then # We make a subdir and do the tests there. Otherwise we can end up @@ -4026,8 +4558,8 @@ else fi fi -{ echo "$as_me:$LINENO: result: $am_cv_CXX_dependencies_compiler_type" >&5 -echo "${ECHO_T}$am_cv_CXX_dependencies_compiler_type" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CXX_dependencies_compiler_type" >&6; } CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type if @@ -4073,11 +4605,7 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex ac_compiler_gnu=$ac_cv_cxx_compiler_gnu -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -4088,31 +4616,11 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_cxx_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - : -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 +if ac_fn_cxx_try_compile "$LINENO"; then : - CXX=""; CXXCP=""; CXXFLAGS="" +else + CXX=""; CXXCP=""; CXXFLAGS="" fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' @@ -4121,114 +4629,35 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $ ac_compiler_gnu=$ac_cv_c_compiler_gnu -# Find a good install program. We prefer a C program (faster), -# so one script is as good as another. But avoid the broken or -# incompatible versions: -# SysV /etc/install, /usr/sbin/install -# SunOS /usr/etc/install -# IRIX /sbin/install -# AIX /bin/install -# AmigaOS /C/install, which installs bootblocks on floppy discs -# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag -# AFS /usr/afsws/bin/install, which mishandles nonexistent args -# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" -# OS/2's system install, which has a completely different semantic -# ./install, which can be erroneously created by make from ./install.sh. -{ echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5 -echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6; } -if test -z "$INSTALL"; then -if test "${ac_cv_path_install+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - # Account for people who put trailing slashes in PATH elements. -case $as_dir/ in - ./ | .// | /cC/* | \ - /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ - ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \ - /usr/ucb/* ) ;; - *) - # OSF1 and SCO ODT 3.0 have their own names for install. - # Don't use installbsd from OSF since it installs stuff as root - # by default. - for ac_prog in ginstall scoinst install; do - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then - if test $ac_prog = install && - grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then - # AIX install. It has an incompatible calling convention. - : - elif test $ac_prog = install && - grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then - # program-specific install script used by HP pwplus--don't use. - : - else - ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" - break 3 - fi + + + +# Check whether --enable-shared was given. +if test "${enable_shared+set}" = set; then : + enableval=$enable_shared; p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_shared=yes fi done - done - ;; -esac -done -IFS=$as_save_IFS - - -fi - if test "${ac_cv_path_install+set}" = set; then - INSTALL=$ac_cv_path_install - else - # As a last resort, use the slow shell script. Don't cache a - # value for INSTALL within a source directory, because that will - # break other packages using the cache if that directory is - # removed, or if the value is a relative name. - INSTALL=$ac_install_sh - fi -fi -{ echo "$as_me:$LINENO: result: $INSTALL" >&5 -echo "${ECHO_T}$INSTALL" >&6; } - -# Use test -z because SunOS4 sh mishandles braces in ${var-val}. -# It thinks the first close brace ends the variable substitution. -test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' - -test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' - -test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' - - - -# Check whether --enable-shared was given. -if test "${enable_shared+set}" = set; then - enableval=$enable_shared; p=${PACKAGE-default} - case $enableval in - yes) enable_shared=yes ;; - no) enable_shared=no ;; - *) - enable_shared=no - # Look at the argument we got. We use all the common list separators. - lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," - for pkg in $enableval; do - IFS="$lt_save_ifs" - if test "X$pkg" = "X$p"; then - enable_shared=yes - fi - done - IFS="$lt_save_ifs" - ;; - esac -else - enable_shared=yes -fi + IFS="$lt_save_ifs" + ;; + esac +else + enable_shared=yes +fi # Check whether --enable-static was given. -if test "${enable_static+set}" = set; then +if test "${enable_static+set}" = set; then : enableval=$enable_static; p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; @@ -4252,7 +4681,7 @@ fi # Check whether --enable-fast-install was given. -if test "${enable_fast_install+set}" = set; then +if test "${enable_fast_install+set}" = set; then : enableval=$enable_fast_install; p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; @@ -4277,35 +4706,27 @@ fi # Make sure we can run config.sub. $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 || - { { echo "$as_me:$LINENO: error: cannot run $SHELL $ac_aux_dir/config.sub" >&5 -echo "$as_me: error: cannot run $SHELL $ac_aux_dir/config.sub" >&2;} - { (exit 1); exit 1; }; } + as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5 -{ echo "$as_me:$LINENO: checking build system type" >&5 -echo $ECHO_N "checking build system type... $ECHO_C" >&6; } -if test "${ac_cv_build+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5 +$as_echo_n "checking build system type... " >&6; } +if ${ac_cv_build+:} false; then : + $as_echo_n "(cached) " >&6 else ac_build_alias=$build_alias test "x$ac_build_alias" = x && ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"` test "x$ac_build_alias" = x && - { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5 -echo "$as_me: error: cannot guess build type; you must specify one" >&2;} - { (exit 1); exit 1; }; } + as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` || - { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&5 -echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&2;} - { (exit 1); exit 1; }; } + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5 fi -{ echo "$as_me:$LINENO: result: $ac_cv_build" >&5 -echo "${ECHO_T}$ac_cv_build" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5 +$as_echo "$ac_cv_build" >&6; } case $ac_cv_build in *-*-*) ;; -*) { { echo "$as_me:$LINENO: error: invalid value of canonical build" >&5 -echo "$as_me: error: invalid value of canonical build" >&2;} - { (exit 1); exit 1; }; };; +*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;; esac build=$ac_cv_build ac_save_IFS=$IFS; IFS='-' @@ -4321,28 +4742,24 @@ IFS=$ac_save_IFS case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac -{ echo "$as_me:$LINENO: checking host system type" >&5 -echo $ECHO_N "checking host system type... $ECHO_C" >&6; } -if test "${ac_cv_host+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5 +$as_echo_n "checking host system type... " >&6; } +if ${ac_cv_host+:} false; then : + $as_echo_n "(cached) " >&6 else if test "x$host_alias" = x; then ac_cv_host=$ac_cv_build else ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` || - { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5 -echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;} - { (exit 1); exit 1; }; } + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5 fi fi -{ echo "$as_me:$LINENO: result: $ac_cv_host" >&5 -echo "${ECHO_T}$ac_cv_host" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5 +$as_echo "$ac_cv_host" >&6; } case $ac_cv_host in *-*-*) ;; -*) { { echo "$as_me:$LINENO: error: invalid value of canonical host" >&5 -echo "$as_me: error: invalid value of canonical host" >&2;} - { (exit 1); exit 1; }; };; +*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;; esac host=$ac_cv_host ac_save_IFS=$IFS; IFS='-' @@ -4358,10 +4775,10 @@ IFS=$ac_save_IFS case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac -{ echo "$as_me:$LINENO: checking for a sed that does not truncate output" >&5 -echo $ECHO_N "checking for a sed that does not truncate output... $ECHO_C" >&6; } -if test "${lt_cv_path_SED+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5 +$as_echo_n "checking for a sed that does not truncate output... " >&6; } +if ${lt_cv_path_SED+:} false; then : + $as_echo_n "(cached) " >&6 else # Loop through the user's path and test for sed and gsed. # Then use that list of sed's as ones to test for truncation. @@ -4372,7 +4789,7 @@ do test -z "$as_dir" && as_dir=. for lt_ac_prog in sed gsed; do for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$lt_ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$lt_ac_prog$ac_exec_ext"; }; then + if as_fn_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext" fi done @@ -4414,48 +4831,43 @@ fi SED=$lt_cv_path_SED -{ echo "$as_me:$LINENO: result: $SED" >&5 -echo "${ECHO_T}$SED" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $SED" >&5 +$as_echo "$SED" >&6; } -{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5 -echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; } -if test "${ac_cv_path_GREP+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - # Extract the first word of "grep ggrep" to use in msg output -if test -z "$GREP"; then -set dummy grep ggrep; ac_prog_name=$2 -if test "${ac_cv_path_GREP+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 else + if test -z "$GREP"; then ac_path_GREP_found=false -# Loop through the user's path and test for each of PROGNAME-LIST -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_prog in grep ggrep; do - for ac_exec_ext in '' $ac_executable_extensions; do - ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" - { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue - # Check for GNU ac_path_GREP and select it if it is found. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_GREP" || continue +# Check for GNU ac_path_GREP and select it if it is found. # Check for GNU $ac_path_GREP case `"$ac_path_GREP" --version 2>&1` in *GNU*) ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; *) ac_count=0 - echo $ECHO_N "0123456789$ECHO_C" >"conftest.in" + $as_echo_n 0123456789 >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" - echo 'GREP' >> "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break - ac_count=`expr $ac_count + 1` + as_fn_arith $ac_count + 1 && ac_count=$as_val if test $ac_count -gt ${ac_path_GREP_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_GREP="$ac_path_GREP" @@ -4467,77 +4879,61 @@ case `"$ac_path_GREP" --version 2>&1` in rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac - - $ac_path_GREP_found && break 3 + $ac_path_GREP_found && break 3 + done + done done -done - -done IFS=$as_save_IFS - - -fi - -GREP="$ac_cv_path_GREP" -if test -z "$GREP"; then - { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5 -echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;} - { (exit 1); exit 1; }; } -fi - + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi else ac_cv_path_GREP=$GREP fi - fi -{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5 -echo "${ECHO_T}$ac_cv_path_GREP" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } GREP="$ac_cv_path_GREP" -{ echo "$as_me:$LINENO: checking for egrep" >&5 -echo $ECHO_N "checking for egrep... $ECHO_C" >&6; } -if test "${ac_cv_path_EGREP+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 else if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 then ac_cv_path_EGREP="$GREP -E" else - # Extract the first word of "egrep" to use in msg output -if test -z "$EGREP"; then -set dummy egrep; ac_prog_name=$2 -if test "${ac_cv_path_EGREP+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else + if test -z "$EGREP"; then ac_path_EGREP_found=false -# Loop through the user's path and test for each of PROGNAME-LIST -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_prog in egrep; do - for ac_exec_ext in '' $ac_executable_extensions; do - ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" - { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue - # Check for GNU ac_path_EGREP and select it if it is found. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_EGREP" || continue +# Check for GNU ac_path_EGREP and select it if it is found. # Check for GNU $ac_path_EGREP case `"$ac_path_EGREP" --version 2>&1` in *GNU*) ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; *) ac_count=0 - echo $ECHO_N "0123456789$ECHO_C" >"conftest.in" + $as_echo_n 0123456789 >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" - echo 'EGREP' >> "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break - ac_count=`expr $ac_count + 1` + as_fn_arith $ac_count + 1 && ac_count=$as_val if test $ac_count -gt ${ac_path_EGREP_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_EGREP="$ac_path_EGREP" @@ -4549,39 +4945,28 @@ case `"$ac_path_EGREP" --version 2>&1` in rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac - - $ac_path_EGREP_found && break 3 + $ac_path_EGREP_found && break 3 + done + done done -done - -done IFS=$as_save_IFS - - -fi - -EGREP="$ac_cv_path_EGREP" -if test -z "$EGREP"; then - { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5 -echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;} - { (exit 1); exit 1; }; } -fi - + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi else ac_cv_path_EGREP=$EGREP fi - fi fi -{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5 -echo "${ECHO_T}$ac_cv_path_EGREP" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } EGREP="$ac_cv_path_EGREP" # Check whether --with-gnu-ld was given. -if test "${with_gnu_ld+set}" = set; then +if test "${with_gnu_ld+set}" = set; then : withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes else with_gnu_ld=no @@ -4590,8 +4975,8 @@ fi ac_prog=ld if test "$GCC" = yes; then # Check if gcc -print-prog-name=ld gives a path. - { echo "$as_me:$LINENO: checking for ld used by $CC" >&5 -echo $ECHO_N "checking for ld used by $CC... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } case $host in *-*-mingw*) # gcc leaves a trailing carriage return which upsets mingw @@ -4620,14 +5005,14 @@ echo $ECHO_N "checking for ld used by $CC... $ECHO_C" >&6; } ;; esac elif test "$with_gnu_ld" = yes; then - { echo "$as_me:$LINENO: checking for GNU ld" >&5 -echo $ECHO_N "checking for GNU ld... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } else - { echo "$as_me:$LINENO: checking for non-GNU ld" >&5 -echo $ECHO_N "checking for non-GNU ld... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } fi -if test "${lt_cv_path_LD+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 else if test -z "$LD"; then lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR @@ -4657,19 +5042,17 @@ fi LD="$lt_cv_path_LD" if test -n "$LD"; then - { echo "$as_me:$LINENO: result: $LD" >&5 -echo "${ECHO_T}$LD" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 +$as_echo "$LD" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi -test -z "$LD" && { { echo "$as_me:$LINENO: error: no acceptable ld found in \$PATH" >&5 -echo "$as_me: error: no acceptable ld found in \$PATH" >&2;} - { (exit 1); exit 1; }; } -{ echo "$as_me:$LINENO: checking if the linker ($LD) is GNU ld" >&5 -echo $ECHO_N "checking if the linker ($LD) is GNU ld... $ECHO_C" >&6; } -if test "${lt_cv_prog_gnu_ld+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 else # I'd rather use --version here, but apparently some GNU lds only accept -v. case `$LD -v 2>&1 &1 &5 -echo "${ECHO_T}$lt_cv_prog_gnu_ld" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } with_gnu_ld=$lt_cv_prog_gnu_ld -{ echo "$as_me:$LINENO: checking for $LD option to reload object files" >&5 -echo $ECHO_N "checking for $LD option to reload object files... $ECHO_C" >&6; } -if test "${lt_cv_ld_reload_flag+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 +$as_echo_n "checking for $LD option to reload object files... " >&6; } +if ${lt_cv_ld_reload_flag+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_ld_reload_flag='-r' fi -{ echo "$as_me:$LINENO: result: $lt_cv_ld_reload_flag" >&5 -echo "${ECHO_T}$lt_cv_ld_reload_flag" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 +$as_echo "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; @@ -4711,10 +5094,10 @@ case $host_os in ;; esac -{ echo "$as_me:$LINENO: checking for BSD-compatible nm" >&5 -echo $ECHO_N "checking for BSD-compatible nm... $ECHO_C" >&6; } -if test "${lt_cv_path_NM+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD-compatible nm" >&5 +$as_echo_n "checking for BSD-compatible nm... " >&6; } +if ${lt_cv_path_NM+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$NM"; then # Let the user override the test. @@ -4760,25 +5143,25 @@ else test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm fi fi -{ echo "$as_me:$LINENO: result: $lt_cv_path_NM" >&5 -echo "${ECHO_T}$lt_cv_path_NM" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 +$as_echo "$lt_cv_path_NM" >&6; } NM="$lt_cv_path_NM" -{ echo "$as_me:$LINENO: checking whether ln -s works" >&5 -echo $ECHO_N "checking whether ln -s works... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +$as_echo_n "checking whether ln -s works... " >&6; } LN_S=$as_ln_s if test "$LN_S" = "ln -s"; then - { echo "$as_me:$LINENO: result: yes" >&5 -echo "${ECHO_T}yes" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } else - { echo "$as_me:$LINENO: result: no, using $LN_S" >&5 -echo "${ECHO_T}no, using $LN_S" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +$as_echo "no, using $LN_S" >&6; } fi -{ echo "$as_me:$LINENO: checking how to recognize dependent libraries" >&5 -echo $ECHO_N "checking how to recognize dependent libraries... $ECHO_C" >&6; } -if test "${lt_cv_deplibs_check_method+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 +$as_echo_n "checking how to recognize dependent libraries... " >&6; } +if ${lt_cv_deplibs_check_method+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= @@ -4961,8 +5344,8 @@ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) esac fi -{ echo "$as_me:$LINENO: result: $lt_cv_deplibs_check_method" >&5 -echo "${ECHO_T}$lt_cv_deplibs_check_method" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 +$as_echo "$lt_cv_deplibs_check_method" >&6; } file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown @@ -4981,7 +5364,7 @@ compiler=$CC # Check whether --enable-libtool-lock was given. -if test "${enable_libtool_lock+set}" = set; then +if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi @@ -4993,11 +5376,11 @@ case $host in ia64-*-hpux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then case `/usr/bin/file conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE="32" @@ -5011,12 +5394,12 @@ ia64-*-hpux*) ;; *-*-irix6*) # Find out which ABI we are using. - echo '#line 5014 "configure"' > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + echo '#line 5397 "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then if test "$lt_cv_prog_gnu_ld" = yes; then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) @@ -5050,11 +5433,11 @@ x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ s390*-*linux*|sparc*-*linux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *32-bit*) case $host in @@ -5103,10 +5486,10 @@ s390*-*linux*|sparc*-*linux*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" - { echo "$as_me:$LINENO: checking whether the C compiler needs -belf" >&5 -echo $ECHO_N "checking whether the C compiler needs -belf... $ECHO_C" >&6; } -if test "${lt_cv_cc_needs_belf+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 +$as_echo_n "checking whether the C compiler needs -belf... " >&6; } +if ${lt_cv_cc_needs_belf+:} false; then : + $as_echo_n "(cached) " >&6 else ac_ext=c ac_cpp='$CPP $CPPFLAGS' @@ -5114,11 +5497,7 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -5129,34 +5508,13 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : lt_cv_cc_needs_belf=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - lt_cv_cc_needs_belf=no + lt_cv_cc_needs_belf=no fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' @@ -5164,8 +5522,8 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $ ac_compiler_gnu=$ac_cv_c_compiler_gnu fi -{ echo "$as_me:$LINENO: result: $lt_cv_cc_needs_belf" >&5 -echo "${ECHO_T}$lt_cv_cc_needs_belf" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 +$as_echo "$lt_cv_cc_needs_belf" >&6; } if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" @@ -5174,11 +5532,11 @@ echo "${ECHO_T}$lt_cv_cc_needs_belf" >&6; } sparc*-*solaris*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in @@ -5199,10 +5557,10 @@ sparc*-*solaris*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_DLLTOOL+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. @@ -5212,25 +5570,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then - { echo "$as_me:$LINENO: result: $DLLTOOL" >&5 -echo "${ECHO_T}$DLLTOOL" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 +$as_echo "$DLLTOOL" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -5239,10 +5597,10 @@ if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_DLLTOOL+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. @@ -5252,25 +5610,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then - { echo "$as_me:$LINENO: result: $ac_ct_DLLTOOL" >&5 -echo "${ECHO_T}$ac_ct_DLLTOOL" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 +$as_echo "$ac_ct_DLLTOOL" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then @@ -5278,12 +5636,8 @@ fi else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL @@ -5295,10 +5649,10 @@ fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args. set dummy ${ac_tool_prefix}as; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_AS+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AS+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$AS"; then ac_cv_prog_AS="$AS" # Let the user override the test. @@ -5308,25 +5662,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_AS="${ac_tool_prefix}as" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi AS=$ac_cv_prog_AS if test -n "$AS"; then - { echo "$as_me:$LINENO: result: $AS" >&5 -echo "${ECHO_T}$AS" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AS" >&5 +$as_echo "$AS" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -5335,10 +5689,10 @@ if test -z "$ac_cv_prog_AS"; then ac_ct_AS=$AS # Extract the first word of "as", so it can be a program name with args. set dummy as; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_AS+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_AS+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AS"; then ac_cv_prog_ac_ct_AS="$ac_ct_AS" # Let the user override the test. @@ -5348,25 +5702,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AS="as" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_AS=$ac_cv_prog_ac_ct_AS if test -n "$ac_ct_AS"; then - { echo "$as_me:$LINENO: result: $ac_ct_AS" >&5 -echo "${ECHO_T}$ac_ct_AS" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AS" >&5 +$as_echo "$ac_ct_AS" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi if test "x$ac_ct_AS" = x; then @@ -5374,12 +5728,8 @@ fi else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AS=$ac_ct_AS @@ -5391,10 +5741,10 @@ fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_OBJDUMP+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. @@ -5404,25 +5754,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then - { echo "$as_me:$LINENO: result: $OBJDUMP" >&5 -echo "${ECHO_T}$OBJDUMP" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 +$as_echo "$OBJDUMP" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -5431,10 +5781,10 @@ if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_OBJDUMP+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. @@ -5444,25 +5794,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then - { echo "$as_me:$LINENO: result: $ac_ct_OBJDUMP" >&5 -echo "${ECHO_T}$ac_ct_OBJDUMP" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 +$as_echo "$ac_ct_OBJDUMP" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then @@ -5470,12 +5820,8 @@ fi else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP @@ -5496,15 +5842,15 @@ ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu -{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5 -echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } # On Suns, sometimes $CPP names a directory. if test -n "$CPP" && test -d "$CPP"; then CPP= fi if test -z "$CPP"; then - if test "${ac_cv_prog_CPP+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 else # Double quotes because CPP needs to be expanded for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" @@ -5518,11 +5864,7 @@ do # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifdef __STDC__ # include @@ -5531,76 +5873,34 @@ cat >>conftest.$ac_ext <<_ACEOF #endif Syntax error _ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || - test ! -s conftest.err - }; then - : -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 +if ac_fn_c_try_cpp "$LINENO"; then : +else # Broken: fails on valid input. continue fi - -rm -f conftest.err conftest.$ac_ext +rm -f conftest.err conftest.i conftest.$ac_ext # OK, works on sane cases. Now check whether nonexistent headers # can be detected and how. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || - test ! -s conftest.err - }; then +if ac_fn_c_try_cpp "$LINENO"; then : # Broken: success on invalid input. continue else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - # Passes both tests. ac_preproc_ok=: break fi - -rm -f conftest.err conftest.$ac_ext +rm -f conftest.err conftest.i conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. -rm -f conftest.err conftest.$ac_ext -if $ac_preproc_ok; then +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : break fi @@ -5612,8 +5912,8 @@ fi else ac_cv_prog_CPP=$CPP fi -{ echo "$as_me:$LINENO: result: $CPP" >&5 -echo "${ECHO_T}$CPP" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do @@ -5623,11 +5923,7 @@ do # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifdef __STDC__ # include @@ -5636,83 +5932,40 @@ cat >>conftest.$ac_ext <<_ACEOF #endif Syntax error _ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || - test ! -s conftest.err - }; then - : -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 +if ac_fn_c_try_cpp "$LINENO"; then : +else # Broken: fails on valid input. continue fi - -rm -f conftest.err conftest.$ac_ext +rm -f conftest.err conftest.i conftest.$ac_ext # OK, works on sane cases. Now check whether nonexistent headers # can be detected and how. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || - test ! -s conftest.err - }; then +if ac_fn_c_try_cpp "$LINENO"; then : # Broken: success on invalid input. continue else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - # Passes both tests. ac_preproc_ok=: break fi - -rm -f conftest.err conftest.$ac_ext +rm -f conftest.err conftest.i conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. -rm -f conftest.err conftest.$ac_ext -if $ac_preproc_ok; then - : +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + else - { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check -See \`config.log' for more details." >&5 -echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check -See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } fi ac_ext=c @@ -5722,16 +5975,12 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $ ac_compiler_gnu=$ac_cv_c_compiler_gnu -{ echo "$as_me:$LINENO: checking for ANSI C header files" >&5 -echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; } -if test "${ac_cv_header_stdc+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include @@ -5746,47 +5995,23 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then +if ac_fn_c_try_compile "$LINENO"; then : ac_cv_header_stdc=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_header_stdc=no + ac_cv_header_stdc=no fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext if test $ac_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | - $EGREP "memchr" >/dev/null 2>&1; then - : + $EGREP "memchr" >/dev/null 2>&1; then : + else ac_cv_header_stdc=no fi @@ -5796,18 +6021,14 @@ fi if test $ac_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | - $EGREP "free" >/dev/null 2>&1; then - : + $EGREP "free" >/dev/null 2>&1; then : + else ac_cv_header_stdc=no fi @@ -5817,14 +6038,10 @@ fi if test $ac_cv_header_stdc = yes; then # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. - if test "$cross_compiling" = yes; then + if test "$cross_compiling" = yes; then : : else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include @@ -5851,113 +6068,48 @@ main () return 0; } _ACEOF -rm -f conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { ac_try='./conftest$ac_exeext' - { (case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_try") 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - : -else - echo "$as_me: program exited with status $ac_status" >&5 -echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 +if ac_fn_c_try_run "$LINENO"; then : -( exit $ac_status ) -ac_cv_header_stdc=no +else + ac_cv_header_stdc=no fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext fi - fi fi -{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5 -echo "${ECHO_T}$ac_cv_header_stdc" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } if test $ac_cv_header_stdc = yes; then -cat >>confdefs.h <<\_ACEOF -#define STDC_HEADERS 1 -_ACEOF +$as_echo "#define STDC_HEADERS 1" >>confdefs.h fi # On IRIX 5.3, sys/types and inttypes.h are conflicting. - - - - - - - - - for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ inttypes.h stdint.h unistd.h -do -as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` -{ echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default - -#include <$ac_header> +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - eval "$as_ac_Header=yes" -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - eval "$as_ac_Header=no" fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -fi -ac_res=`eval echo '${'$as_ac_Header'}'` - { echo "$as_me:$LINENO: result: $ac_res" >&5 -echo "${ECHO_T}$ac_res" >&6; } -if test `eval echo '${'$as_ac_Header'}'` = yes; then +done + + +for ac_header in dlfcn.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default" +if test "x$ac_cv_header_dlfcn_h" = xyes; then : cat >>confdefs.h <<_ACEOF -#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +#define HAVE_DLFCN_H 1 _ACEOF fi @@ -5966,178 +6118,33 @@ done -for ac_header in dlfcn.h -do -as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - { echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -fi -ac_res=`eval echo '${'$as_ac_Header'}'` - { echo "$as_me:$LINENO: result: $ac_res" >&5 -echo "${ECHO_T}$ac_res" >&6; } +if test -n "$CXX" && ( test "X$CXX" != "Xno" && + ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) || + (test "X$CXX" != "Xg++"))) ; then + ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5 +$as_echo_n "checking how to run the C++ preprocessor... " >&6; } +if test -z "$CXXCPP"; then + if ${ac_cv_prog_CXXCPP+:} false; then : + $as_echo_n "(cached) " >&6 else - # Is the header compilable? -{ echo "$as_me:$LINENO: checking $ac_header usability" >&5 -echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; } -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default -#include <$ac_header> -_ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - ac_header_compiler=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_header_compiler=no -fi - -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 -echo "${ECHO_T}$ac_header_compiler" >&6; } - -# Is the header present? -{ echo "$as_me:$LINENO: checking $ac_header presence" >&5 -echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; } -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include <$ac_header> -_ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || - test ! -s conftest.err - }; then - ac_header_preproc=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_header_preproc=no -fi - -rm -f conftest.err conftest.$ac_ext -{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 -echo "${ECHO_T}$ac_header_preproc" >&6; } - -# So? What about this header? -case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in - yes:no: ) - { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 -echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} - ac_header_preproc=yes - ;; - no:yes:* ) - { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 -echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 -echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 -echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 -echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 -echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} - - ;; -esac -{ echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - eval "$as_ac_Header=\$ac_header_preproc" -fi -ac_res=`eval echo '${'$as_ac_Header'}'` - { echo "$as_me:$LINENO: result: $ac_res" >&5 -echo "${ECHO_T}$ac_res" >&6; } - -fi -if test `eval echo '${'$as_ac_Header'}'` = yes; then - cat >>confdefs.h <<_ACEOF -#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 -_ACEOF - -fi - -done - - - -if test -n "$CXX" && ( test "X$CXX" != "Xno" && - ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) || - (test "X$CXX" != "Xg++"))) ; then - ac_ext=cpp -ac_cpp='$CXXCPP $CPPFLAGS' -ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_cxx_compiler_gnu -{ echo "$as_me:$LINENO: checking how to run the C++ preprocessor" >&5 -echo $ECHO_N "checking how to run the C++ preprocessor... $ECHO_C" >&6; } -if test -z "$CXXCPP"; then - if test "${ac_cv_prog_CXXCPP+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - # Double quotes because CXXCPP needs to be expanded - for CXXCPP in "$CXX -E" "/lib/cpp" - do - ac_preproc_ok=false -for ac_cxx_preproc_warn_flag in '' yes -do - # Use a header file that comes with gcc, so configuring glibc - # with a fresh cross-compiler works. - # Prefer to if __STDC__ is defined, since - # exists even on freestanding compilers. - # On the NeXT, cc -E runs the code through the compiler's parser, - # not just through cpp. "Syntax error" is here to catch this case. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + # Double quotes because CXXCPP needs to be expanded + for CXXCPP in "$CXX -E" "/lib/cpp" + do + ac_preproc_ok=false +for ac_cxx_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifdef __STDC__ # include @@ -6146,76 +6153,34 @@ cat >>conftest.$ac_ext <<_ACEOF #endif Syntax error _ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || - test ! -s conftest.err - }; then - : -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 +if ac_fn_cxx_try_cpp "$LINENO"; then : +else # Broken: fails on valid input. continue fi - -rm -f conftest.err conftest.$ac_ext +rm -f conftest.err conftest.i conftest.$ac_ext # OK, works on sane cases. Now check whether nonexistent headers # can be detected and how. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || - test ! -s conftest.err - }; then +if ac_fn_cxx_try_cpp "$LINENO"; then : # Broken: success on invalid input. continue else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - # Passes both tests. ac_preproc_ok=: break fi - -rm -f conftest.err conftest.$ac_ext +rm -f conftest.err conftest.i conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. -rm -f conftest.err conftest.$ac_ext -if $ac_preproc_ok; then +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : break fi @@ -6227,8 +6192,8 @@ fi else ac_cv_prog_CXXCPP=$CXXCPP fi -{ echo "$as_me:$LINENO: result: $CXXCPP" >&5 -echo "${ECHO_T}$CXXCPP" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5 +$as_echo "$CXXCPP" >&6; } ac_preproc_ok=false for ac_cxx_preproc_warn_flag in '' yes do @@ -6238,11 +6203,7 @@ do # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifdef __STDC__ # include @@ -6251,83 +6212,40 @@ cat >>conftest.$ac_ext <<_ACEOF #endif Syntax error _ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || - test ! -s conftest.err - }; then - : -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 +if ac_fn_cxx_try_cpp "$LINENO"; then : +else # Broken: fails on valid input. continue fi - -rm -f conftest.err conftest.$ac_ext +rm -f conftest.err conftest.i conftest.$ac_ext # OK, works on sane cases. Now check whether nonexistent headers # can be detected and how. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || - test ! -s conftest.err - }; then +if ac_fn_cxx_try_cpp "$LINENO"; then : # Broken: success on invalid input. continue else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - # Passes both tests. ac_preproc_ok=: break fi - -rm -f conftest.err conftest.$ac_ext +rm -f conftest.err conftest.i conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. -rm -f conftest.err conftest.$ac_ext -if $ac_preproc_ok; then - : +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + else - { { echo "$as_me:$LINENO: error: C++ preprocessor \"$CXXCPP\" fails sanity check -See \`config.log' for more details." >&5 -echo "$as_me: error: C++ preprocessor \"$CXXCPP\" fails sanity check -See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } fi ac_ext=cpp @@ -6343,14 +6261,14 @@ ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5' ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_f77_compiler_gnu if test -n "$ac_tool_prefix"; then - for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn + for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgfortran pgf95 lf95 ftn nagfor do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_F77+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_F77+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$F77"; then ac_cv_prog_F77="$F77" # Let the user override the test. @@ -6360,25 +6278,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_F77="$ac_tool_prefix$ac_prog" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi F77=$ac_cv_prog_F77 if test -n "$F77"; then - { echo "$as_me:$LINENO: result: $F77" >&5 -echo "${ECHO_T}$F77" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $F77" >&5 +$as_echo "$F77" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -6387,14 +6305,14 @@ fi fi if test -z "$F77"; then ac_ct_F77=$F77 - for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn + for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgfortran pgf95 lf95 ftn nagfor do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_F77+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_F77+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_F77"; then ac_cv_prog_ac_ct_F77="$ac_ct_F77" # Let the user override the test. @@ -6404,25 +6322,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_F77="$ac_prog" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_F77=$ac_cv_prog_ac_ct_F77 if test -n "$ac_ct_F77"; then - { echo "$as_me:$LINENO: result: $ac_ct_F77" >&5 -echo "${ECHO_T}$ac_ct_F77" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_F77" >&5 +$as_echo "$ac_ct_F77" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -6434,12 +6352,8 @@ done else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac F77=$ac_ct_F77 @@ -6448,50 +6362,41 @@ fi # Provide some information about the compiler. -echo "$as_me:$LINENO: checking for Fortran 77 compiler version" >&5 -ac_compiler=`set X $ac_compile; echo $2` -{ (ac_try="$ac_compiler --version >&5" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compiler --version >&5") 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } -{ (ac_try="$ac_compiler -v >&5" +$as_echo "$as_me:${as_lineno-$LINENO}: checking for Fortran 77 compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compiler -v >&5") 2>&5 +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } -{ (ac_try="$ac_compiler -V >&5" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compiler -V >&5") 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done rm -f a.out # If we don't use `.F' as extension, the preprocessor is not run on the # input file. (Note that this only needs to work for GNU compilers.) ac_save_ext=$ac_ext ac_ext=F -{ echo "$as_me:$LINENO: checking whether we are using the GNU Fortran 77 compiler" >&5 -echo $ECHO_N "checking whether we are using the GNU Fortran 77 compiler... $ECHO_C" >&6; } -if test "${ac_cv_f77_compiler_gnu+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU Fortran 77 compiler" >&5 +$as_echo_n "checking whether we are using the GNU Fortran 77 compiler... " >&6; } +if ${ac_cv_f77_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 else - cat >conftest.$ac_ext <<_ACEOF + cat > conftest.$ac_ext <<_ACEOF program main #ifndef __GNUC__ choke me @@ -6499,82 +6404,42 @@ else end _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_f77_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then +if ac_fn_f77_try_compile "$LINENO"; then : ac_compiler_gnu=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_compiler_gnu=no + ac_compiler_gnu=no fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ac_cv_f77_compiler_gnu=$ac_compiler_gnu fi -{ echo "$as_me:$LINENO: result: $ac_cv_f77_compiler_gnu" >&5 -echo "${ECHO_T}$ac_cv_f77_compiler_gnu" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_f77_compiler_gnu" >&5 +$as_echo "$ac_cv_f77_compiler_gnu" >&6; } ac_ext=$ac_save_ext ac_test_FFLAGS=${FFLAGS+set} ac_save_FFLAGS=$FFLAGS FFLAGS= -{ echo "$as_me:$LINENO: checking whether $F77 accepts -g" >&5 -echo $ECHO_N "checking whether $F77 accepts -g... $ECHO_C" >&6; } -if test "${ac_cv_prog_f77_g+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $F77 accepts -g" >&5 +$as_echo_n "checking whether $F77 accepts -g... " >&6; } +if ${ac_cv_prog_f77_g+:} false; then : + $as_echo_n "(cached) " >&6 else FFLAGS=-g -cat >conftest.$ac_ext <<_ACEOF +cat > conftest.$ac_ext <<_ACEOF program main end _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_f77_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then +if ac_fn_f77_try_compile "$LINENO"; then : ac_cv_prog_f77_g=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_prog_f77_g=no + ac_cv_prog_f77_g=no fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi -{ echo "$as_me:$LINENO: result: $ac_cv_prog_f77_g" >&5 -echo "${ECHO_T}$ac_cv_prog_f77_g" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_f77_g" >&5 +$as_echo "$ac_cv_prog_f77_g" >&6; } if test "$ac_test_FFLAGS" = set; then FFLAGS=$ac_save_FFLAGS elif test $ac_cv_prog_f77_g = yes; then @@ -6591,7 +6456,11 @@ else fi fi -G77=`test $ac_compiler_gnu = yes && echo yes` +if test $ac_compiler_gnu = yes; then + G77=yes +else + G77= +fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' @@ -6602,10 +6471,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu # Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers! # find the maximum length of command line arguments -{ echo "$as_me:$LINENO: checking the maximum length of command line arguments" >&5 -echo $ECHO_N "checking the maximum length of command line arguments... $ECHO_C" >&6; } -if test "${lt_cv_sys_max_cmd_len+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 +$as_echo_n "checking the maximum length of command line arguments... " >&6; } +if ${lt_cv_sys_max_cmd_len+:} false; then : + $as_echo_n "(cached) " >&6 else i=0 teststring="ABCD" @@ -6714,11 +6583,11 @@ else fi if test -n $lt_cv_sys_max_cmd_len ; then - { echo "$as_me:$LINENO: result: $lt_cv_sys_max_cmd_len" >&5 -echo "${ECHO_T}$lt_cv_sys_max_cmd_len" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 +$as_echo "$lt_cv_sys_max_cmd_len" >&6; } else - { echo "$as_me:$LINENO: result: none" >&5 -echo "${ECHO_T}none" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } fi @@ -6726,10 +6595,10 @@ fi # Check for command to grab the raw symbol name followed by C symbol from nm. -{ echo "$as_me:$LINENO: checking command to parse $NM output from $compiler object" >&5 -echo $ECHO_N "checking command to parse $NM output from $compiler object... $ECHO_C" >&6; } -if test "${lt_cv_sys_global_symbol_pipe+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 +$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } +if ${lt_cv_sys_global_symbol_pipe+:} false; then : + $as_echo_n "(cached) " >&6 else # These are sane defaults that work on at least a few old systems. @@ -6831,18 +6700,18 @@ void nm_test_func(){} int main(){nm_test_var='a';nm_test_func();return(0);} EOF - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm - if { (eval echo "$as_me:$LINENO: \"$NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist\""; } >&5 (eval $NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && test -s "$nlist"; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" @@ -6893,11 +6762,11 @@ EOF lt_save_CFLAGS="$CFLAGS" LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" - if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && test -s conftest${ac_exeext}; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS="$lt_save_LIBS" @@ -6931,17 +6800,17 @@ if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then - { echo "$as_me:$LINENO: result: failed" >&5 -echo "${ECHO_T}failed" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } else - { echo "$as_me:$LINENO: result: ok" >&5 -echo "${ECHO_T}ok" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 +$as_echo "ok" >&6; } fi -{ echo "$as_me:$LINENO: checking for objdir" >&5 -echo $ECHO_N "checking for objdir... $ECHO_C" >&6; } -if test "${lt_cv_objdir+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 +$as_echo_n "checking for objdir... " >&6; } +if ${lt_cv_objdir+:} false; then : + $as_echo_n "(cached) " >&6 else rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null @@ -6953,8 +6822,8 @@ else fi rmdir .libs 2>/dev/null fi -{ echo "$as_me:$LINENO: result: $lt_cv_objdir" >&5 -echo "${ECHO_T}$lt_cv_objdir" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 +$as_echo "$lt_cv_objdir" >&6; } objdir=$lt_cv_objdir @@ -7005,10 +6874,10 @@ with_gnu_ld="$lt_cv_prog_gnu_ld" if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args. set dummy ${ac_tool_prefix}ar; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_AR+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AR+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. @@ -7018,25 +6887,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_AR="${ac_tool_prefix}ar" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then - { echo "$as_me:$LINENO: result: $AR" >&5 -echo "${ECHO_T}$AR" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -7045,10 +6914,10 @@ if test -z "$ac_cv_prog_AR"; then ac_ct_AR=$AR # Extract the first word of "ar", so it can be a program name with args. set dummy ar; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_AR+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_AR+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. @@ -7058,25 +6927,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="ar" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then - { echo "$as_me:$LINENO: result: $ac_ct_AR" >&5 -echo "${ECHO_T}$ac_ct_AR" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi if test "x$ac_ct_AR" = x; then @@ -7084,12 +6953,8 @@ fi else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR @@ -7101,10 +6966,10 @@ fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_RANLIB+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. @@ -7114,25 +6979,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then - { echo "$as_me:$LINENO: result: $RANLIB" >&5 -echo "${ECHO_T}$RANLIB" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -7141,10 +7006,10 @@ if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. @@ -7154,25 +7019,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then - { echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5 -echo "${ECHO_T}$ac_ct_RANLIB" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then @@ -7180,12 +7045,8 @@ fi else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB @@ -7197,10 +7058,10 @@ fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_STRIP+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. @@ -7210,25 +7071,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then - { echo "$as_me:$LINENO: result: $STRIP" >&5 -echo "${ECHO_T}$STRIP" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -7237,10 +7098,10 @@ if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. @@ -7250,25 +7111,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then - { echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5 -echo "${ECHO_T}$ac_ct_STRIP" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then @@ -7276,12 +7137,8 @@ fi else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP @@ -7344,10 +7201,10 @@ cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"` case $deplibs_check_method in file_magic*) if test "$file_magic_cmd" = '$MAGIC_CMD'; then - { echo "$as_me:$LINENO: checking for ${ac_tool_prefix}file" >&5 -echo $ECHO_N "checking for ${ac_tool_prefix}file... $ECHO_C" >&6; } -if test "${lt_cv_path_MAGIC_CMD+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 +$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 else case $MAGIC_CMD in [\\/*] | ?:[\\/]*) @@ -7397,19 +7254,19 @@ fi MAGIC_CMD="$lt_cv_path_MAGIC_CMD" if test -n "$MAGIC_CMD"; then - { echo "$as_me:$LINENO: result: $MAGIC_CMD" >&5 -echo "${ECHO_T}$MAGIC_CMD" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi if test -z "$lt_cv_path_MAGIC_CMD"; then if test -n "$ac_tool_prefix"; then - { echo "$as_me:$LINENO: checking for file" >&5 -echo $ECHO_N "checking for file... $ECHO_C" >&6; } -if test "${lt_cv_path_MAGIC_CMD+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5 +$as_echo_n "checking for file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 else case $MAGIC_CMD in [\\/*] | ?:[\\/]*) @@ -7459,11 +7316,11 @@ fi MAGIC_CMD="$lt_cv_path_MAGIC_CMD" if test -n "$MAGIC_CMD"; then - { echo "$as_me:$LINENO: result: $MAGIC_CMD" >&5 -echo "${ECHO_T}$MAGIC_CMD" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi else @@ -7481,10 +7338,10 @@ esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_DSYMUTIL+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. @@ -7494,25 +7351,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then - { echo "$as_me:$LINENO: result: $DSYMUTIL" >&5 -echo "${ECHO_T}$DSYMUTIL" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 +$as_echo "$DSYMUTIL" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -7521,10 +7378,10 @@ if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_DSYMUTIL+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. @@ -7534,25 +7391,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then - { echo "$as_me:$LINENO: result: $ac_ct_DSYMUTIL" >&5 -echo "${ECHO_T}$ac_ct_DSYMUTIL" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 +$as_echo "$ac_ct_DSYMUTIL" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then @@ -7560,12 +7417,8 @@ fi else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL @@ -7577,10 +7430,10 @@ fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_NMEDIT+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. @@ -7590,25 +7443,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then - { echo "$as_me:$LINENO: result: $NMEDIT" >&5 -echo "${ECHO_T}$NMEDIT" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 +$as_echo "$NMEDIT" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi @@ -7617,10 +7470,10 @@ if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 -{ echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } -if test "${ac_cv_prog_ac_ct_NMEDIT+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. @@ -7630,25 +7483,25 @@ for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done -done + done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then - { echo "$as_me:$LINENO: result: $ac_ct_NMEDIT" >&5 -echo "${ECHO_T}$ac_ct_NMEDIT" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 +$as_echo "$ac_ct_NMEDIT" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then @@ -7656,12 +7509,8 @@ fi else case $cross_compiling:$ac_tool_warned in yes:) -{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&5 -echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools -whose name does not start with the host triplet. If you think this -configuration is useful to you, please write to autoconf@gnu.org." >&2;} +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT @@ -7671,10 +7520,10 @@ else fi - { echo "$as_me:$LINENO: checking for -single_module linker flag" >&5 -echo $ECHO_N "checking for -single_module linker flag... $ECHO_C" >&6; } -if test "${lt_cv_apple_cc_single_mod+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 +$as_echo_n "checking for -single_module linker flag... " >&6; } +if ${lt_cv_apple_cc_single_mod+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_apple_cc_single_mod=no if test -z "${LT_MULTI_MODULE}"; then @@ -7692,22 +7541,18 @@ else rm conftest.c fi fi -{ echo "$as_me:$LINENO: result: $lt_cv_apple_cc_single_mod" >&5 -echo "${ECHO_T}$lt_cv_apple_cc_single_mod" >&6; } - { echo "$as_me:$LINENO: checking for -exported_symbols_list linker flag" >&5 -echo $ECHO_N "checking for -exported_symbols_list linker flag... $ECHO_C" >&6; } -if test "${lt_cv_ld_exported_symbols_list+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 +$as_echo "$lt_cv_apple_cc_single_mod" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 +$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; } +if ${lt_cv_ld_exported_symbols_list+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_ld_exported_symbols_list=no save_LDFLAGS=$LDFLAGS echo "_main" > conftest.sym LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -7718,39 +7563,18 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : lt_cv_ld_exported_symbols_list=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - lt_cv_ld_exported_symbols_list=no + lt_cv_ld_exported_symbols_list=no fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext LDFLAGS="$save_LDFLAGS" fi -{ echo "$as_me:$LINENO: result: $lt_cv_ld_exported_symbols_list" >&5 -echo "${ECHO_T}$lt_cv_ld_exported_symbols_list" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 +$as_echo "$lt_cv_ld_exported_symbols_list" >&6; } case $host_os in rhapsody* | darwin1.[0123]) _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;; @@ -7791,7 +7615,7 @@ enable_dlopen=no enable_win32_dll=yes # Check whether --enable-libtool-lock was given. -if test "${enable_libtool_lock+set}" = set; then +if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi @@ -7799,7 +7623,7 @@ test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Check whether --with-pic was given. -if test "${with_pic+set}" = set; then +if test "${with_pic+set}" = set; then : withval=$with_pic; pic_mode="$withval" else pic_mode=default @@ -7813,42 +7637,23 @@ test -z "$pic_mode" && pic_mode=default # We also should do it _before_ AC_LIBTOOL_LANG_C_CONFIG that actually # calls AC_LIBTOOL_CONFIG and creates libtool. # -{ echo "$as_me:$LINENO: checking for correct ltmain.sh version" >&5 -echo $ECHO_N "checking for correct ltmain.sh version... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for correct ltmain.sh version" >&5 +$as_echo_n "checking for correct ltmain.sh version... " >&6; } if test "x$ltmain" = "x" ; then - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } - { { echo "$as_me:$LINENO: error: - -*** [Gentoo] sanity check failed! *** -*** \$ltmain is not defined, please check the patch for consistency! *** -" >&5 -echo "$as_me: error: + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? " *** [Gentoo] sanity check failed! *** *** \$ltmain is not defined, please check the patch for consistency! *** -" >&2;} - { (exit 1); exit 1; }; } +" "$LINENO" 5 fi gentoo_lt_version="1.5.26" gentoo_ltmain_version=`sed -n '/^[ ]*VERSION=/{s/^[ ]*VERSION=//;p;q;}' "$ltmain"` if test "x$gentoo_lt_version" != "x$gentoo_ltmain_version" ; then - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } - { { echo "$as_me:$LINENO: error: - -*** [Gentoo] sanity check failed! *** -*** libtool.m4 and ltmain.sh have a version mismatch! *** -*** (libtool.m4 = $gentoo_lt_version, ltmain.sh = $gentoo_ltmain_version) *** - -Please run: - - libtoolize --copy --force - -if appropriate, please contact the maintainer of this -package (or your distribution) for help. -" >&5 -echo "$as_me: error: + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? " *** [Gentoo] sanity check failed! *** *** libtool.m4 and ltmain.sh have a version mismatch! *** @@ -7860,11 +7665,10 @@ Please run: if appropriate, please contact the maintainer of this package (or your distribution) for help. -" >&2;} - { (exit 1); exit 1; }; } +" "$LINENO" 5 else - { echo "$as_me:$LINENO: result: yes" >&5 -echo "${ECHO_T}yes" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } fi @@ -7923,10 +7727,10 @@ if test "$GCC" = yes; then lt_prog_compiler_no_builtin_flag=' -fno-builtin' -{ echo "$as_me:$LINENO: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 -echo $ECHO_N "checking if $compiler supports -fno-rtti -fno-exceptions... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_rtti_exceptions+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 +$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } +if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_rtti_exceptions=no ac_outfile=conftest.$ac_objext @@ -7941,11 +7745,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:7944: $lt_compile\"" >&5) + (eval echo "\"\$as_me:7748: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:7948: \$? = $ac_status" >&5 + echo "$as_me:7752: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -7958,8 +7762,8 @@ else $rm conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_rtti_exceptions" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 +$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; } if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" @@ -7973,8 +7777,8 @@ lt_prog_compiler_wl= lt_prog_compiler_pic= lt_prog_compiler_static= -{ echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5 -echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } if test "$GCC" = yes; then lt_prog_compiler_wl='-Wl,' @@ -8205,18 +8009,18 @@ echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; } esac fi -{ echo "$as_me:$LINENO: result: $lt_prog_compiler_pic" >&5 -echo "${ECHO_T}$lt_prog_compiler_pic" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_prog_compiler_pic" >&5 +$as_echo "$lt_prog_compiler_pic" >&6; } # # Check to make sure the PIC flag actually works. # if test -n "$lt_prog_compiler_pic"; then -{ echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 -echo $ECHO_N "checking if $compiler PIC flag $lt_prog_compiler_pic works... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_pic_works+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } +if ${lt_cv_prog_compiler_pic_works+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_pic_works=no ac_outfile=conftest.$ac_objext @@ -8231,11 +8035,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:8234: $lt_compile\"" >&5) + (eval echo "\"\$as_me:8038: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:8238: \$? = $ac_status" >&5 + echo "$as_me:8042: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -8248,8 +8052,8 @@ else $rm conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_pic_works" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works" >&6; } if test x"$lt_cv_prog_compiler_pic_works" = xyes; then case $lt_prog_compiler_pic in @@ -8276,10 +8080,10 @@ esac # Check to make sure the static flag actually works. # wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" -{ echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5 -echo $ECHO_N "checking if $compiler static flag $lt_tmp_static_flag works... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_static_works+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_static_works=no save_LDFLAGS="$LDFLAGS" @@ -8304,8 +8108,8 @@ else LDFLAGS="$save_LDFLAGS" fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_static_works" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 +$as_echo "$lt_cv_prog_compiler_static_works" >&6; } if test x"$lt_cv_prog_compiler_static_works" = xyes; then : @@ -8314,10 +8118,10 @@ else fi -{ echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5 -echo $ECHO_N "checking if $compiler supports -c -o file.$ac_objext... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_c_o+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_c_o=no $rm -r conftest 2>/dev/null @@ -8335,11 +8139,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:8338: $lt_compile\"" >&5) + (eval echo "\"\$as_me:8142: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:8342: \$? = $ac_status" >&5 + echo "$as_me:8146: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -8361,34 +8165,34 @@ else $rm conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_c_o" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } hard_links="nottested" if test "$lt_cv_prog_compiler_c_o" = no && test "$need_locks" != no; then # do not overwrite the value of need_locks provided by the user - { echo "$as_me:$LINENO: checking if we can lock with hard links" >&5 -echo $ECHO_N "checking if we can lock with hard links... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } hard_links=yes $rm conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no - { echo "$as_me:$LINENO: result: $hard_links" >&5 -echo "${ECHO_T}$hard_links" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } if test "$hard_links" = no; then - { echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 -echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} need_locks=warn fi else need_locks=no fi -{ echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5 -echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } runpath_var= allow_undefined_flag= @@ -8797,11 +8601,7 @@ _LT_EOF # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' # Determine the default libpath from the value encoded in an empty executable. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -8812,24 +8612,7 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { @@ -8843,15 +8626,9 @@ aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpat if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" @@ -8863,11 +8640,7 @@ if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an empty executable. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -8878,24 +8651,7 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { @@ -8909,15 +8665,9 @@ aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpat if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" @@ -9367,8 +9117,8 @@ if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi esac fi -{ echo "$as_me:$LINENO: result: $ld_shlibs" >&5 -echo "${ECHO_T}$ld_shlibs" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 +$as_echo "$ld_shlibs" >&6; } test "$ld_shlibs" = no && can_build_shared=no # @@ -9388,16 +9138,16 @@ x|xyes) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. If gcc already passes -lc # to ld, don't add -lc before -lgcc. - { echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5 -echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } $rm conftest* echo "$lt_simple_compile_test_code" > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } 2>conftest.err; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then soname=conftest lib=conftest libobjs=conftest.$ac_objext @@ -9411,11 +9161,11 @@ echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >& libname=conftest lt_save_allow_undefined_flag=$allow_undefined_flag allow_undefined_flag= - if { (eval echo "$as_me:$LINENO: \"$archive_cmds 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\""; } >&5 (eval $archive_cmds 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } then archive_cmds_need_lc=no else @@ -9426,16 +9176,16 @@ echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >& cat conftest.err 1>&5 fi $rm conftest* - { echo "$as_me:$LINENO: result: $archive_cmds_need_lc" >&5 -echo "${ECHO_T}$archive_cmds_need_lc" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $archive_cmds_need_lc" >&5 +$as_echo "$archive_cmds_need_lc" >&6; } ;; esac fi ;; esac -{ echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5 -echo $ECHO_N "checking dynamic linker characteristics... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } library_names_spec= libname_spec='lib$name' soname_spec= @@ -10049,19 +9799,19 @@ uts4*) dynamic_linker=no ;; esac -{ echo "$as_me:$LINENO: result: $dynamic_linker" >&5 -echo "${ECHO_T}$dynamic_linker" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } test "$dynamic_linker" = no && can_build_shared=no -if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +if ${lt_cv_sys_lib_search_path_spec+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec" fi sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" -if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +if ${lt_cv_sys_lib_dlsearch_path_spec+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec" fi @@ -10073,8 +9823,8 @@ if test "$GCC" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi -{ echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5 -echo $ECHO_N "checking how to hardcode library paths into programs... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } hardcode_action= if test -n "$hardcode_libdir_flag_spec" || \ test -n "$runpath_var" || \ @@ -10098,8 +9848,8 @@ else # directories. hardcode_action=unsupported fi -{ echo "$as_me:$LINENO: result: $hardcode_action" >&5 -echo "${ECHO_T}$hardcode_action" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 +$as_echo "$hardcode_action" >&6; } if test "$hardcode_action" = relink; then # Fast installation is not supported @@ -10112,13 +9862,13 @@ fi striplib= old_striplib= -{ echo "$as_me:$LINENO: checking whether stripping libraries is possible" >&5 -echo $ECHO_N "checking whether stripping libraries is possible... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 +$as_echo_n "checking whether stripping libraries is possible... " >&6; } if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" test -z "$striplib" && striplib="$STRIP --strip-unneeded" - { echo "$as_me:$LINENO: result: yes" >&5 -echo "${ECHO_T}yes" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } else # FIXME - insert some real tests, host_os isn't really good enough case $host_os in @@ -10126,16 +9876,16 @@ else if test -n "$STRIP" ; then striplib="$STRIP -x" old_striplib="$STRIP -S" - { echo "$as_me:$LINENO: result: yes" >&5 -echo "${ECHO_T}yes" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi ;; *) - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } ;; esac fi @@ -10167,18 +9917,14 @@ else darwin*) # if libdl is installed we need to link against it - { echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5 -echo $ECHO_N "checking for dlopen in -ldl... $ECHO_C" >&6; } -if test "${ac_cv_lib_dl_dlopen+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. @@ -10196,39 +9942,18 @@ return dlopen (); return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_lib_dl_dlopen=no + ac_cv_lib_dl_dlopen=no fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi -{ echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5 -echo "${ECHO_T}$ac_cv_lib_dl_dlopen" >&6; } -if test $ac_cv_lib_dl_dlopen = yes; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else @@ -10241,102 +9966,18 @@ fi ;; *) - { echo "$as_me:$LINENO: checking for shl_load" >&5 -echo $ECHO_N "checking for shl_load... $ECHO_C" >&6; } -if test "${ac_cv_func_shl_load+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -/* Define shl_load to an innocuous variant, in case declares shl_load. - For example, HP-UX 11i declares gettimeofday. */ -#define shl_load innocuous_shl_load - -/* System header to define __stub macros and hopefully few prototypes, - which can conflict with char shl_load (); below. - Prefer to if __STDC__ is defined, since - exists even on freestanding compilers. */ - -#ifdef __STDC__ -# include -#else -# include -#endif - -#undef shl_load - -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char shl_load (); -/* The GNU C library defines this for functions which it implements - to always fail with ENOSYS. Some functions are actually named - something starting with __ and the normal name is an alias. */ -#if defined __stub_shl_load || defined __stub___shl_load -choke me -#endif - -int -main () -{ -return shl_load (); - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then - ac_cv_func_shl_load=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_func_shl_load=no -fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext -fi -{ echo "$as_me:$LINENO: result: $ac_cv_func_shl_load" >&5 -echo "${ECHO_T}$ac_cv_func_shl_load" >&6; } -if test $ac_cv_func_shl_load = yes; then + ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" +if test "x$ac_cv_func_shl_load" = xyes; then : lt_cv_dlopen="shl_load" else - { echo "$as_me:$LINENO: checking for shl_load in -ldld" >&5 -echo $ECHO_N "checking for shl_load in -ldld... $ECHO_C" >&6; } -if test "${ac_cv_lib_dld_shl_load+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 +$as_echo_n "checking for shl_load in -ldld... " >&6; } +if ${ac_cv_lib_dld_shl_load+:} false; then : + $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. @@ -10354,137 +9995,32 @@ return shl_load (); return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_shl_load=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_lib_dld_shl_load=no + ac_cv_lib_dld_shl_load=no fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi -{ echo "$as_me:$LINENO: result: $ac_cv_lib_dld_shl_load" >&5 -echo "${ECHO_T}$ac_cv_lib_dld_shl_load" >&6; } -if test $ac_cv_lib_dld_shl_load = yes; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 +$as_echo "$ac_cv_lib_dld_shl_load" >&6; } +if test "x$ac_cv_lib_dld_shl_load" = xyes; then : lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" else - { echo "$as_me:$LINENO: checking for dlopen" >&5 -echo $ECHO_N "checking for dlopen... $ECHO_C" >&6; } -if test "${ac_cv_func_dlopen+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -/* Define dlopen to an innocuous variant, in case declares dlopen. - For example, HP-UX 11i declares gettimeofday. */ -#define dlopen innocuous_dlopen - -/* System header to define __stub macros and hopefully few prototypes, - which can conflict with char dlopen (); below. - Prefer to if __STDC__ is defined, since - exists even on freestanding compilers. */ - -#ifdef __STDC__ -# include -#else -# include -#endif - -#undef dlopen - -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char dlopen (); -/* The GNU C library defines this for functions which it implements - to always fail with ENOSYS. Some functions are actually named - something starting with __ and the normal name is an alias. */ -#if defined __stub_dlopen || defined __stub___dlopen -choke me -#endif - -int -main () -{ -return dlopen (); - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then - ac_cv_func_dlopen=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_func_dlopen=no -fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext -fi -{ echo "$as_me:$LINENO: result: $ac_cv_func_dlopen" >&5 -echo "${ECHO_T}$ac_cv_func_dlopen" >&6; } -if test $ac_cv_func_dlopen = yes; then + ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" +if test "x$ac_cv_func_dlopen" = xyes; then : lt_cv_dlopen="dlopen" else - { echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5 -echo $ECHO_N "checking for dlopen in -ldl... $ECHO_C" >&6; } -if test "${ac_cv_lib_dl_dlopen+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. @@ -10502,53 +10038,28 @@ return dlopen (); return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_lib_dl_dlopen=no + ac_cv_lib_dl_dlopen=no fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi -{ echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5 -echo "${ECHO_T}$ac_cv_lib_dl_dlopen" >&6; } -if test $ac_cv_lib_dl_dlopen = yes; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else - { echo "$as_me:$LINENO: checking for dlopen in -lsvld" >&5 -echo $ECHO_N "checking for dlopen in -lsvld... $ECHO_C" >&6; } -if test "${ac_cv_lib_svld_dlopen+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 +$as_echo_n "checking for dlopen in -lsvld... " >&6; } +if ${ac_cv_lib_svld_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. @@ -10566,53 +10077,28 @@ return dlopen (); return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_svld_dlopen=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_lib_svld_dlopen=no + ac_cv_lib_svld_dlopen=no fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi -{ echo "$as_me:$LINENO: result: $ac_cv_lib_svld_dlopen" >&5 -echo "${ECHO_T}$ac_cv_lib_svld_dlopen" >&6; } -if test $ac_cv_lib_svld_dlopen = yes; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 +$as_echo "$ac_cv_lib_svld_dlopen" >&6; } +if test "x$ac_cv_lib_svld_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld" else - { echo "$as_me:$LINENO: checking for dld_link in -ldld" >&5 -echo $ECHO_N "checking for dld_link in -ldld... $ECHO_C" >&6; } -if test "${ac_cv_lib_dld_dld_link+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 +$as_echo_n "checking for dld_link in -ldld... " >&6; } +if ${ac_cv_lib_dld_dld_link+:} false; then : + $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. @@ -10630,39 +10116,18 @@ return dld_link (); return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_dld_link=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_lib_dld_dld_link=no + ac_cv_lib_dld_dld_link=no fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi -{ echo "$as_me:$LINENO: result: $ac_cv_lib_dld_dld_link" >&5 -echo "${ECHO_T}$ac_cv_lib_dld_dld_link" >&6; } -if test $ac_cv_lib_dld_dld_link = yes; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 +$as_echo "$ac_cv_lib_dld_dld_link" >&6; } +if test "x$ac_cv_lib_dld_dld_link" = xyes; then : lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld" fi @@ -10701,10 +10166,10 @@ fi save_LIBS="$LIBS" LIBS="$lt_cv_dlopen_libs $LIBS" - { echo "$as_me:$LINENO: checking whether a program can dlopen itself" >&5 -echo $ECHO_N "checking whether a program can dlopen itself... $ECHO_C" >&6; } -if test "${lt_cv_dlopen_self+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 +$as_echo_n "checking whether a program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self+:} false; then : + $as_echo_n "(cached) " >&6 else if test "$cross_compiling" = yes; then : lt_cv_dlopen_self=cross @@ -10712,7 +10177,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && test -s conftest${ac_exeext} 2>/dev/null; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in @@ -10796,15 +10261,15 @@ rm -fr conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_dlopen_self" >&5 -echo "${ECHO_T}$lt_cv_dlopen_self" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 +$as_echo "$lt_cv_dlopen_self" >&6; } if test "x$lt_cv_dlopen_self" = xyes; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" - { echo "$as_me:$LINENO: checking whether a statically linked program can dlopen itself" >&5 -echo $ECHO_N "checking whether a statically linked program can dlopen itself... $ECHO_C" >&6; } -if test "${lt_cv_dlopen_self_static+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 +$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self_static+:} false; then : + $as_echo_n "(cached) " >&6 else if test "$cross_compiling" = yes; then : lt_cv_dlopen_self_static=cross @@ -10812,7 +10277,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && test -s conftest${ac_exeext} 2>/dev/null; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in @@ -10896,8 +10361,8 @@ rm -fr conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_dlopen_self_static" >&5 -echo "${ECHO_T}$lt_cv_dlopen_self_static" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 +$as_echo "$lt_cv_dlopen_self_static" >&6; } fi CPPFLAGS="$save_CPPFLAGS" @@ -10919,13 +10384,13 @@ fi # Report which library types will actually be built -{ echo "$as_me:$LINENO: checking if libtool supports shared libraries" >&5 -echo $ECHO_N "checking if libtool supports shared libraries... $ECHO_C" >&6; } -{ echo "$as_me:$LINENO: result: $can_build_shared" >&5 -echo "${ECHO_T}$can_build_shared" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 +$as_echo_n "checking if libtool supports shared libraries... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 +$as_echo "$can_build_shared" >&6; } -{ echo "$as_me:$LINENO: checking whether to build shared libraries" >&5 -echo $ECHO_N "checking whether to build shared libraries... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 +$as_echo_n "checking whether to build shared libraries... " >&6; } test "$can_build_shared" = "no" && enable_shared=no # On AIX, shared libraries and static libraries use the same namespace, and @@ -10945,15 +10410,15 @@ aix[4-9]*) fi ;; esac -{ echo "$as_me:$LINENO: result: $enable_shared" >&5 -echo "${ECHO_T}$enable_shared" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 +$as_echo "$enable_shared" >&6; } -{ echo "$as_me:$LINENO: checking whether to build static libraries" >&5 -echo $ECHO_N "checking whether to build static libraries... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 +$as_echo_n "checking whether to build static libraries... " >&6; } # Make sure either enable_shared or enable_static is yes. test "$enable_shared" = yes || enable_static=yes -{ echo "$as_me:$LINENO: result: $enable_static" >&5 -echo "${ECHO_T}$enable_static" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 +$as_echo "$enable_static" >&6; } # The else clause should only fire when bootstrapping the # libtool distribution, otherwise you forgot to ship ltmain.sh @@ -11046,8 +10511,8 @@ if test -f "$ltmain"; then cfgfile="${ofile}T" trap "$rm \"$cfgfile\"; exit 1" 1 2 15 $rm -f "$cfgfile" - { echo "$as_me:$LINENO: creating $ofile" >&5 -echo "$as_me: creating $ofile" >&6;} + { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ofile" >&5 +$as_echo "$as_me: creating $ofile" >&6;} cat <<__EOF__ >> "$cfgfile" #! $SHELL @@ -11452,25 +10917,25 @@ CC="$lt_save_CC" # Check whether --with-tags was given. -if test "${with_tags+set}" = set; then +if test "${with_tags+set}" = set; then : withval=$with_tags; tagnames="$withval" fi if test -f "$ltmain" && test -n "$tagnames"; then if test ! -f "${ofile}"; then - { echo "$as_me:$LINENO: WARNING: output file \`$ofile' does not exist" >&5 -echo "$as_me: WARNING: output file \`$ofile' does not exist" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: output file \`$ofile' does not exist" >&5 +$as_echo "$as_me: WARNING: output file \`$ofile' does not exist" >&2;} fi if test -z "$LTCC"; then eval "`$SHELL ${ofile} --config | grep '^LTCC='`" if test -z "$LTCC"; then - { echo "$as_me:$LINENO: WARNING: output file \`$ofile' does not look like a libtool script" >&5 -echo "$as_me: WARNING: output file \`$ofile' does not look like a libtool script" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: output file \`$ofile' does not look like a libtool script" >&5 +$as_echo "$as_me: WARNING: output file \`$ofile' does not look like a libtool script" >&2;} else - { echo "$as_me:$LINENO: WARNING: using \`LTCC=$LTCC', extracted from \`$ofile'" >&5 -echo "$as_me: WARNING: using \`LTCC=$LTCC', extracted from \`$ofile'" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using \`LTCC=$LTCC', extracted from \`$ofile'" >&5 +$as_echo "$as_me: WARNING: using \`LTCC=$LTCC', extracted from \`$ofile'" >&2;} fi fi if test -z "$LTCFLAGS"; then @@ -11487,17 +10952,13 @@ echo "$as_me: WARNING: using \`LTCC=$LTCC', extracted from \`$ofile'" >&2;} # Check whether tagname contains only valid characters case `$echo "X$tagname" | $Xsed -e 's:[-_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890,/]::g'` in "") ;; - *) { { echo "$as_me:$LINENO: error: invalid tag name: $tagname" >&5 -echo "$as_me: error: invalid tag name: $tagname" >&2;} - { (exit 1); exit 1; }; } + *) as_fn_error $? "invalid tag name: $tagname" "$LINENO" 5 ;; esac if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "${ofile}" > /dev/null then - { { echo "$as_me:$LINENO: error: tag name \"$tagname\" already exists" >&5 -echo "$as_me: error: tag name \"$tagname\" already exists" >&2;} - { (exit 1); exit 1; }; } + as_fn_error $? "tag name \"$tagname\" already exists" "$LINENO" 5 fi # Update the list of available tags. @@ -11630,7 +11091,7 @@ if test "$GXX" = yes; then # Check whether --with-gnu-ld was given. -if test "${with_gnu_ld+set}" = set; then +if test "${with_gnu_ld+set}" = set; then : withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes else with_gnu_ld=no @@ -11639,8 +11100,8 @@ fi ac_prog=ld if test "$GCC" = yes; then # Check if gcc -print-prog-name=ld gives a path. - { echo "$as_me:$LINENO: checking for ld used by $CC" >&5 -echo $ECHO_N "checking for ld used by $CC... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } case $host in *-*-mingw*) # gcc leaves a trailing carriage return which upsets mingw @@ -11669,14 +11130,14 @@ echo $ECHO_N "checking for ld used by $CC... $ECHO_C" >&6; } ;; esac elif test "$with_gnu_ld" = yes; then - { echo "$as_me:$LINENO: checking for GNU ld" >&5 -echo $ECHO_N "checking for GNU ld... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } else - { echo "$as_me:$LINENO: checking for non-GNU ld" >&5 -echo $ECHO_N "checking for non-GNU ld... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } fi -if test "${lt_cv_path_LD+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 else if test -z "$LD"; then lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR @@ -11706,19 +11167,17 @@ fi LD="$lt_cv_path_LD" if test -n "$LD"; then - { echo "$as_me:$LINENO: result: $LD" >&5 -echo "${ECHO_T}$LD" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 +$as_echo "$LD" >&6; } else - { echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi -test -z "$LD" && { { echo "$as_me:$LINENO: error: no acceptable ld found in \$PATH" >&5 -echo "$as_me: error: no acceptable ld found in \$PATH" >&2;} - { (exit 1); exit 1; }; } -{ echo "$as_me:$LINENO: checking if the linker ($LD) is GNU ld" >&5 -echo $ECHO_N "checking if the linker ($LD) is GNU ld... $ECHO_C" >&6; } -if test "${lt_cv_prog_gnu_ld+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 else # I'd rather use --version here, but apparently some GNU lds only accept -v. case `$LD -v 2>&1 &1 &5 -echo "${ECHO_T}$lt_cv_prog_gnu_ld" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } with_gnu_ld=$lt_cv_prog_gnu_ld @@ -11781,8 +11240,8 @@ else fi # PORTME: fill in a description of your system's C++ link characteristics -{ echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5 -echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } ld_shlibs_CXX=yes case $host_os in aix3*) @@ -11878,11 +11337,7 @@ case $host_os in # -berok will link without error, but may produce a broken library. allow_undefined_flag_CXX='-berok' # Determine the default libpath from the value encoded in an empty executable. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -11893,24 +11348,7 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_cxx_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_cxx_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { @@ -11924,15 +11362,9 @@ aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpat if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi hardcode_libdir_flag_spec_CXX='${wl}-blibpath:$libdir:'"$aix_libpath" @@ -11945,11 +11377,7 @@ if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an empty executable. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -11960,24 +11388,7 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_cxx_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_cxx_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { @@ -11991,15 +11402,9 @@ aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpat if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi hardcode_libdir_flag_spec_CXX='${wl}-blibpath:$libdir:'"$aix_libpath" @@ -12727,8 +12132,8 @@ if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi ld_shlibs_CXX=no ;; esac -{ echo "$as_me:$LINENO: result: $ld_shlibs_CXX" >&5 -echo "${ECHO_T}$ld_shlibs_CXX" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5 +$as_echo "$ld_shlibs_CXX" >&6; } test "$ld_shlibs_CXX" = no && can_build_shared=no GCC_CXX="$GXX" @@ -12744,11 +12149,11 @@ private: }; EOF -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 +if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then # Parse the compiler output and extract the necessary # objects, libraries and library flags. @@ -12903,8 +12308,8 @@ lt_prog_compiler_wl_CXX= lt_prog_compiler_pic_CXX= lt_prog_compiler_static_CXX= -{ echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5 -echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } # C++ specific cases for pic, static, wl, etc. if test "$GXX" = yes; then @@ -13187,18 +12592,18 @@ echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; } esac fi -{ echo "$as_me:$LINENO: result: $lt_prog_compiler_pic_CXX" >&5 -echo "${ECHO_T}$lt_prog_compiler_pic_CXX" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_prog_compiler_pic_CXX" >&5 +$as_echo "$lt_prog_compiler_pic_CXX" >&6; } # # Check to make sure the PIC flag actually works. # if test -n "$lt_prog_compiler_pic_CXX"; then -{ echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works" >&5 -echo $ECHO_N "checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_pic_works_CXX+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works... " >&6; } +if ${lt_cv_prog_compiler_pic_works_CXX+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_pic_works_CXX=no ac_outfile=conftest.$ac_objext @@ -13213,11 +12618,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:13216: $lt_compile\"" >&5) + (eval echo "\"\$as_me:12621: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:13220: \$? = $ac_status" >&5 + echo "$as_me:12625: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -13230,8 +12635,8 @@ else $rm conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works_CXX" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_pic_works_CXX" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works_CXX" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works_CXX" >&6; } if test x"$lt_cv_prog_compiler_pic_works_CXX" = xyes; then case $lt_prog_compiler_pic_CXX in @@ -13258,10 +12663,10 @@ esac # Check to make sure the static flag actually works. # wl=$lt_prog_compiler_wl_CXX eval lt_tmp_static_flag=\"$lt_prog_compiler_static_CXX\" -{ echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5 -echo $ECHO_N "checking if $compiler static flag $lt_tmp_static_flag works... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_static_works_CXX+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works_CXX+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_static_works_CXX=no save_LDFLAGS="$LDFLAGS" @@ -13286,8 +12691,8 @@ else LDFLAGS="$save_LDFLAGS" fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works_CXX" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_static_works_CXX" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works_CXX" >&5 +$as_echo "$lt_cv_prog_compiler_static_works_CXX" >&6; } if test x"$lt_cv_prog_compiler_static_works_CXX" = xyes; then : @@ -13296,10 +12701,10 @@ else fi -{ echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5 -echo $ECHO_N "checking if $compiler supports -c -o file.$ac_objext... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_c_o_CXX+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o_CXX+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_c_o_CXX=no $rm -r conftest 2>/dev/null @@ -13317,11 +12722,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:13320: $lt_compile\"" >&5) + (eval echo "\"\$as_me:12725: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:13324: \$? = $ac_status" >&5 + echo "$as_me:12729: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -13343,34 +12748,34 @@ else $rm conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_CXX" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_c_o_CXX" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_CXX" >&5 +$as_echo "$lt_cv_prog_compiler_c_o_CXX" >&6; } hard_links="nottested" if test "$lt_cv_prog_compiler_c_o_CXX" = no && test "$need_locks" != no; then # do not overwrite the value of need_locks provided by the user - { echo "$as_me:$LINENO: checking if we can lock with hard links" >&5 -echo $ECHO_N "checking if we can lock with hard links... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } hard_links=yes $rm conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no - { echo "$as_me:$LINENO: result: $hard_links" >&5 -echo "${ECHO_T}$hard_links" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } if test "$hard_links" = no; then - { echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 -echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} need_locks=warn fi else need_locks=no fi -{ echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5 -echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' case $host_os in @@ -13395,8 +12800,8 @@ echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared librar esac exclude_expsyms_CXX='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' -{ echo "$as_me:$LINENO: result: $ld_shlibs_CXX" >&5 -echo "${ECHO_T}$ld_shlibs_CXX" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5 +$as_echo "$ld_shlibs_CXX" >&6; } test "$ld_shlibs_CXX" = no && can_build_shared=no # @@ -13416,16 +12821,16 @@ x|xyes) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. If gcc already passes -lc # to ld, don't add -lc before -lgcc. - { echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5 -echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } $rm conftest* echo "$lt_simple_compile_test_code" > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } 2>conftest.err; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then soname=conftest lib=conftest libobjs=conftest.$ac_objext @@ -13439,11 +12844,11 @@ echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >& libname=conftest lt_save_allow_undefined_flag=$allow_undefined_flag_CXX allow_undefined_flag_CXX= - if { (eval echo "$as_me:$LINENO: \"$archive_cmds_CXX 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds_CXX 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\""; } >&5 (eval $archive_cmds_CXX 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } then archive_cmds_need_lc_CXX=no else @@ -13454,16 +12859,16 @@ echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >& cat conftest.err 1>&5 fi $rm conftest* - { echo "$as_me:$LINENO: result: $archive_cmds_need_lc_CXX" >&5 -echo "${ECHO_T}$archive_cmds_need_lc_CXX" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $archive_cmds_need_lc_CXX" >&5 +$as_echo "$archive_cmds_need_lc_CXX" >&6; } ;; esac fi ;; esac -{ echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5 -echo $ECHO_N "checking dynamic linker characteristics... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } library_names_spec= libname_spec='lib$name' soname_spec= @@ -14025,19 +13430,19 @@ uts4*) dynamic_linker=no ;; esac -{ echo "$as_me:$LINENO: result: $dynamic_linker" >&5 -echo "${ECHO_T}$dynamic_linker" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } test "$dynamic_linker" = no && can_build_shared=no -if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +if ${lt_cv_sys_lib_search_path_spec+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec" fi sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" -if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +if ${lt_cv_sys_lib_dlsearch_path_spec+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec" fi @@ -14049,8 +13454,8 @@ if test "$GCC" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi -{ echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5 -echo $ECHO_N "checking how to hardcode library paths into programs... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } hardcode_action_CXX= if test -n "$hardcode_libdir_flag_spec_CXX" || \ test -n "$runpath_var_CXX" || \ @@ -14074,8 +13479,8 @@ else # directories. hardcode_action_CXX=unsupported fi -{ echo "$as_me:$LINENO: result: $hardcode_action_CXX" >&5 -echo "${ECHO_T}$hardcode_action_CXX" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action_CXX" >&5 +$as_echo "$hardcode_action_CXX" >&6; } if test "$hardcode_action_CXX" = relink; then # Fast installation is not supported @@ -14613,13 +14018,13 @@ done cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"` -{ echo "$as_me:$LINENO: checking if libtool supports shared libraries" >&5 -echo $ECHO_N "checking if libtool supports shared libraries... $ECHO_C" >&6; } -{ echo "$as_me:$LINENO: result: $can_build_shared" >&5 -echo "${ECHO_T}$can_build_shared" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 +$as_echo_n "checking if libtool supports shared libraries... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 +$as_echo "$can_build_shared" >&6; } -{ echo "$as_me:$LINENO: checking whether to build shared libraries" >&5 -echo $ECHO_N "checking whether to build shared libraries... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 +$as_echo_n "checking whether to build shared libraries... " >&6; } test "$can_build_shared" = "no" && enable_shared=no # On AIX, shared libraries and static libraries use the same namespace, and @@ -14638,15 +14043,15 @@ aix[4-9]*) fi ;; esac -{ echo "$as_me:$LINENO: result: $enable_shared" >&5 -echo "${ECHO_T}$enable_shared" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 +$as_echo "$enable_shared" >&6; } -{ echo "$as_me:$LINENO: checking whether to build static libraries" >&5 -echo $ECHO_N "checking whether to build static libraries... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 +$as_echo_n "checking whether to build static libraries... " >&6; } # Make sure either enable_shared or enable_static is yes. test "$enable_shared" = yes || enable_static=yes -{ echo "$as_me:$LINENO: result: $enable_static" >&5 -echo "${ECHO_T}$enable_static" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 +$as_echo "$enable_static" >&6; } GCC_F77="$G77" LD_F77="$LD" @@ -14655,8 +14060,8 @@ lt_prog_compiler_wl_F77= lt_prog_compiler_pic_F77= lt_prog_compiler_static_F77= -{ echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5 -echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } if test "$GCC" = yes; then lt_prog_compiler_wl_F77='-Wl,' @@ -14887,18 +14292,18 @@ echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; } esac fi -{ echo "$as_me:$LINENO: result: $lt_prog_compiler_pic_F77" >&5 -echo "${ECHO_T}$lt_prog_compiler_pic_F77" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_prog_compiler_pic_F77" >&5 +$as_echo "$lt_prog_compiler_pic_F77" >&6; } # # Check to make sure the PIC flag actually works. # if test -n "$lt_prog_compiler_pic_F77"; then -{ echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic_F77 works" >&5 -echo $ECHO_N "checking if $compiler PIC flag $lt_prog_compiler_pic_F77 works... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_pic_works_F77+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic_F77 works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic_F77 works... " >&6; } +if ${lt_cv_prog_compiler_pic_works_F77+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_pic_works_F77=no ac_outfile=conftest.$ac_objext @@ -14913,11 +14318,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:14916: $lt_compile\"" >&5) + (eval echo "\"\$as_me:14321: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:14920: \$? = $ac_status" >&5 + echo "$as_me:14325: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -14930,8 +14335,8 @@ else $rm conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works_F77" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_pic_works_F77" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works_F77" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works_F77" >&6; } if test x"$lt_cv_prog_compiler_pic_works_F77" = xyes; then case $lt_prog_compiler_pic_F77 in @@ -14958,10 +14363,10 @@ esac # Check to make sure the static flag actually works. # wl=$lt_prog_compiler_wl_F77 eval lt_tmp_static_flag=\"$lt_prog_compiler_static_F77\" -{ echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5 -echo $ECHO_N "checking if $compiler static flag $lt_tmp_static_flag works... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_static_works_F77+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works_F77+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_static_works_F77=no save_LDFLAGS="$LDFLAGS" @@ -14986,8 +14391,8 @@ else LDFLAGS="$save_LDFLAGS" fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works_F77" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_static_works_F77" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works_F77" >&5 +$as_echo "$lt_cv_prog_compiler_static_works_F77" >&6; } if test x"$lt_cv_prog_compiler_static_works_F77" = xyes; then : @@ -14996,10 +14401,10 @@ else fi -{ echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5 -echo $ECHO_N "checking if $compiler supports -c -o file.$ac_objext... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_c_o_F77+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o_F77+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_c_o_F77=no $rm -r conftest 2>/dev/null @@ -15017,11 +14422,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:15020: $lt_compile\"" >&5) + (eval echo "\"\$as_me:14425: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:15024: \$? = $ac_status" >&5 + echo "$as_me:14429: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -15043,34 +14448,34 @@ else $rm conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_F77" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_c_o_F77" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_F77" >&5 +$as_echo "$lt_cv_prog_compiler_c_o_F77" >&6; } hard_links="nottested" if test "$lt_cv_prog_compiler_c_o_F77" = no && test "$need_locks" != no; then # do not overwrite the value of need_locks provided by the user - { echo "$as_me:$LINENO: checking if we can lock with hard links" >&5 -echo $ECHO_N "checking if we can lock with hard links... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } hard_links=yes $rm conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no - { echo "$as_me:$LINENO: result: $hard_links" >&5 -echo "${ECHO_T}$hard_links" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } if test "$hard_links" = no; then - { echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 -echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} need_locks=warn fi else need_locks=no fi -{ echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5 -echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } runpath_var= allow_undefined_flag_F77= @@ -15479,29 +14884,12 @@ _LT_EOF # -berok will link without error, but may produce a broken library. allow_undefined_flag_F77='-berok' # Determine the default libpath from the value encoded in an empty executable. - cat >conftest.$ac_ext <<_ACEOF + cat > conftest.$ac_ext <<_ACEOF program main end _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_f77_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_f77_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { @@ -15515,15 +14903,9 @@ aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpat if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi hardcode_libdir_flag_spec_F77='${wl}-blibpath:$libdir:'"$aix_libpath" @@ -15535,29 +14917,12 @@ if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi archive_expsym_cmds_F77="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an empty executable. - cat >conftest.$ac_ext <<_ACEOF + cat > conftest.$ac_ext <<_ACEOF program main end _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_f77_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_f77_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { @@ -15571,15 +14936,9 @@ aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpat if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi hardcode_libdir_flag_spec_F77='${wl}-blibpath:$libdir:'"$aix_libpath" @@ -16029,8 +15388,8 @@ if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi esac fi -{ echo "$as_me:$LINENO: result: $ld_shlibs_F77" >&5 -echo "${ECHO_T}$ld_shlibs_F77" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_F77" >&5 +$as_echo "$ld_shlibs_F77" >&6; } test "$ld_shlibs_F77" = no && can_build_shared=no # @@ -16050,16 +15409,16 @@ x|xyes) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. If gcc already passes -lc # to ld, don't add -lc before -lgcc. - { echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5 -echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } $rm conftest* echo "$lt_simple_compile_test_code" > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } 2>conftest.err; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then soname=conftest lib=conftest libobjs=conftest.$ac_objext @@ -16073,11 +15432,11 @@ echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >& libname=conftest lt_save_allow_undefined_flag=$allow_undefined_flag_F77 allow_undefined_flag_F77= - if { (eval echo "$as_me:$LINENO: \"$archive_cmds_F77 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds_F77 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\""; } >&5 (eval $archive_cmds_F77 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } then archive_cmds_need_lc_F77=no else @@ -16088,16 +15447,16 @@ echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >& cat conftest.err 1>&5 fi $rm conftest* - { echo "$as_me:$LINENO: result: $archive_cmds_need_lc_F77" >&5 -echo "${ECHO_T}$archive_cmds_need_lc_F77" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $archive_cmds_need_lc_F77" >&5 +$as_echo "$archive_cmds_need_lc_F77" >&6; } ;; esac fi ;; esac -{ echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5 -echo $ECHO_N "checking dynamic linker characteristics... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } library_names_spec= libname_spec='lib$name' soname_spec= @@ -16659,19 +16018,19 @@ uts4*) dynamic_linker=no ;; esac -{ echo "$as_me:$LINENO: result: $dynamic_linker" >&5 -echo "${ECHO_T}$dynamic_linker" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } test "$dynamic_linker" = no && can_build_shared=no -if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +if ${lt_cv_sys_lib_search_path_spec+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec" fi sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" -if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +if ${lt_cv_sys_lib_dlsearch_path_spec+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec" fi @@ -16683,8 +16042,8 @@ if test "$GCC" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi -{ echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5 -echo $ECHO_N "checking how to hardcode library paths into programs... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } hardcode_action_F77= if test -n "$hardcode_libdir_flag_spec_F77" || \ test -n "$runpath_var_F77" || \ @@ -16708,8 +16067,8 @@ else # directories. hardcode_action_F77=unsupported fi -{ echo "$as_me:$LINENO: result: $hardcode_action_F77" >&5 -echo "${ECHO_T}$hardcode_action_F77" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action_F77" >&5 +$as_echo "$hardcode_action_F77" >&6; } if test "$hardcode_action_F77" = relink; then # Fast installation is not supported @@ -17219,10 +16578,10 @@ if test "$GCC" = yes; then lt_prog_compiler_no_builtin_flag_GCJ=' -fno-builtin' -{ echo "$as_me:$LINENO: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 -echo $ECHO_N "checking if $compiler supports -fno-rtti -fno-exceptions... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_rtti_exceptions+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 +$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } +if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_rtti_exceptions=no ac_outfile=conftest.$ac_objext @@ -17237,11 +16596,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:17240: $lt_compile\"" >&5) + (eval echo "\"\$as_me:16599: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:17244: \$? = $ac_status" >&5 + echo "$as_me:16603: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -17254,8 +16613,8 @@ else $rm conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_rtti_exceptions" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 +$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; } if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then lt_prog_compiler_no_builtin_flag_GCJ="$lt_prog_compiler_no_builtin_flag_GCJ -fno-rtti -fno-exceptions" @@ -17269,8 +16628,8 @@ lt_prog_compiler_wl_GCJ= lt_prog_compiler_pic_GCJ= lt_prog_compiler_static_GCJ= -{ echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5 -echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } if test "$GCC" = yes; then lt_prog_compiler_wl_GCJ='-Wl,' @@ -17501,18 +16860,18 @@ echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6; } esac fi -{ echo "$as_me:$LINENO: result: $lt_prog_compiler_pic_GCJ" >&5 -echo "${ECHO_T}$lt_prog_compiler_pic_GCJ" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_prog_compiler_pic_GCJ" >&5 +$as_echo "$lt_prog_compiler_pic_GCJ" >&6; } # # Check to make sure the PIC flag actually works. # if test -n "$lt_prog_compiler_pic_GCJ"; then -{ echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic_GCJ works" >&5 -echo $ECHO_N "checking if $compiler PIC flag $lt_prog_compiler_pic_GCJ works... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_pic_works_GCJ+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic_GCJ works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic_GCJ works... " >&6; } +if ${lt_cv_prog_compiler_pic_works_GCJ+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_pic_works_GCJ=no ac_outfile=conftest.$ac_objext @@ -17527,11 +16886,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:17530: $lt_compile\"" >&5) + (eval echo "\"\$as_me:16889: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:17534: \$? = $ac_status" >&5 + echo "$as_me:16893: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -17544,8 +16903,8 @@ else $rm conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works_GCJ" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_pic_works_GCJ" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works_GCJ" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works_GCJ" >&6; } if test x"$lt_cv_prog_compiler_pic_works_GCJ" = xyes; then case $lt_prog_compiler_pic_GCJ in @@ -17572,10 +16931,10 @@ esac # Check to make sure the static flag actually works. # wl=$lt_prog_compiler_wl_GCJ eval lt_tmp_static_flag=\"$lt_prog_compiler_static_GCJ\" -{ echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5 -echo $ECHO_N "checking if $compiler static flag $lt_tmp_static_flag works... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_static_works_GCJ+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works_GCJ+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_static_works_GCJ=no save_LDFLAGS="$LDFLAGS" @@ -17600,8 +16959,8 @@ else LDFLAGS="$save_LDFLAGS" fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works_GCJ" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_static_works_GCJ" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works_GCJ" >&5 +$as_echo "$lt_cv_prog_compiler_static_works_GCJ" >&6; } if test x"$lt_cv_prog_compiler_static_works_GCJ" = xyes; then : @@ -17610,10 +16969,10 @@ else fi -{ echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5 -echo $ECHO_N "checking if $compiler supports -c -o file.$ac_objext... $ECHO_C" >&6; } -if test "${lt_cv_prog_compiler_c_o_GCJ+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o_GCJ+:} false; then : + $as_echo_n "(cached) " >&6 else lt_cv_prog_compiler_c_o_GCJ=no $rm -r conftest 2>/dev/null @@ -17631,11 +16990,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:17634: $lt_compile\"" >&5) + (eval echo "\"\$as_me:16993: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:17638: \$? = $ac_status" >&5 + echo "$as_me:16997: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -17657,34 +17016,34 @@ else $rm conftest* fi -{ echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_GCJ" >&5 -echo "${ECHO_T}$lt_cv_prog_compiler_c_o_GCJ" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_GCJ" >&5 +$as_echo "$lt_cv_prog_compiler_c_o_GCJ" >&6; } hard_links="nottested" if test "$lt_cv_prog_compiler_c_o_GCJ" = no && test "$need_locks" != no; then # do not overwrite the value of need_locks provided by the user - { echo "$as_me:$LINENO: checking if we can lock with hard links" >&5 -echo $ECHO_N "checking if we can lock with hard links... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } hard_links=yes $rm conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no - { echo "$as_me:$LINENO: result: $hard_links" >&5 -echo "${ECHO_T}$hard_links" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } if test "$hard_links" = no; then - { echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 -echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} need_locks=warn fi else need_locks=no fi -{ echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5 -echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } runpath_var= allow_undefined_flag_GCJ= @@ -18093,11 +17452,7 @@ _LT_EOF # -berok will link without error, but may produce a broken library. allow_undefined_flag_GCJ='-berok' # Determine the default libpath from the value encoded in an empty executable. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -18108,24 +17463,7 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { @@ -18139,15 +17477,9 @@ aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpat if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi hardcode_libdir_flag_spec_GCJ='${wl}-blibpath:$libdir:'"$aix_libpath" @@ -18159,11 +17491,7 @@ if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi archive_expsym_cmds_GCJ="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an empty executable. - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int @@ -18174,24 +17502,7 @@ main () return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { @@ -18205,15 +17516,9 @@ aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpat if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi hardcode_libdir_flag_spec_GCJ='${wl}-blibpath:$libdir:'"$aix_libpath" @@ -18663,8 +17968,8 @@ if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi esac fi -{ echo "$as_me:$LINENO: result: $ld_shlibs_GCJ" >&5 -echo "${ECHO_T}$ld_shlibs_GCJ" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_GCJ" >&5 +$as_echo "$ld_shlibs_GCJ" >&6; } test "$ld_shlibs_GCJ" = no && can_build_shared=no # @@ -18684,16 +17989,16 @@ x|xyes) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. If gcc already passes -lc # to ld, don't add -lc before -lgcc. - { echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5 -echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } $rm conftest* echo "$lt_simple_compile_test_code" > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } 2>conftest.err; then + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then soname=conftest lib=conftest libobjs=conftest.$ac_objext @@ -18707,11 +18012,11 @@ echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >& libname=conftest lt_save_allow_undefined_flag=$allow_undefined_flag_GCJ allow_undefined_flag_GCJ= - if { (eval echo "$as_me:$LINENO: \"$archive_cmds_GCJ 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\"") >&5 + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds_GCJ 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1\""; } >&5 (eval $archive_cmds_GCJ 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1) 2>&5 ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } then archive_cmds_need_lc_GCJ=no else @@ -18722,16 +18027,16 @@ echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >& cat conftest.err 1>&5 fi $rm conftest* - { echo "$as_me:$LINENO: result: $archive_cmds_need_lc_GCJ" >&5 -echo "${ECHO_T}$archive_cmds_need_lc_GCJ" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $archive_cmds_need_lc_GCJ" >&5 +$as_echo "$archive_cmds_need_lc_GCJ" >&6; } ;; esac fi ;; esac -{ echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5 -echo $ECHO_N "checking dynamic linker characteristics... $ECHO_C" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } library_names_spec= libname_spec='lib$name' soname_spec= @@ -19172,674 +18477,188 @@ openbsd*) shlibpath_overrides_runpath=yes ;; esac - else - shlibpath_overrides_runpath=yes - fi - ;; - -os2*) - libname_spec='$name' - shrext_cmds=".dll" - need_lib_prefix=no - library_names_spec='$libname${shared_ext} $libname.a' - dynamic_linker='OS/2 ld.exe' - shlibpath_var=LIBPATH - ;; - -osf3* | osf4* | osf5*) - version_type=osf - need_lib_prefix=no - need_version=no - soname_spec='${libname}${release}${shared_ext}$major' - library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' - shlibpath_var=LD_LIBRARY_PATH - sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" - sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" - ;; - -rdos*) - dynamic_linker=no - ;; - -solaris*) - version_type=linux - need_lib_prefix=no - need_version=no - library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' - soname_spec='${libname}${release}${shared_ext}$major' - shlibpath_var=LD_LIBRARY_PATH - shlibpath_overrides_runpath=yes - hardcode_into_libs=yes - # ldd complains unless libraries are executable - postinstall_cmds='chmod +x $lib' - ;; - -sunos4*) - version_type=sunos - library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' - finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' - shlibpath_var=LD_LIBRARY_PATH - shlibpath_overrides_runpath=yes - if test "$with_gnu_ld" = yes; then - need_lib_prefix=no - fi - need_version=yes - ;; - -sysv4 | sysv4.3*) - version_type=linux - library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' - soname_spec='${libname}${release}${shared_ext}$major' - shlibpath_var=LD_LIBRARY_PATH - case $host_vendor in - sni) - shlibpath_overrides_runpath=no - need_lib_prefix=no - export_dynamic_flag_spec='${wl}-Blargedynsym' - runpath_var=LD_RUN_PATH - ;; - siemens) - need_lib_prefix=no - ;; - motorola) - need_lib_prefix=no - need_version=no - shlibpath_overrides_runpath=no - sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' - ;; - esac - ;; - -sysv4*MP*) - if test -d /usr/nec ;then - version_type=linux - library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' - soname_spec='$libname${shared_ext}.$major' - shlibpath_var=LD_LIBRARY_PATH - fi - ;; - -sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) - version_type=freebsd-elf - need_lib_prefix=no - need_version=no - library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' - soname_spec='${libname}${release}${shared_ext}$major' - shlibpath_var=LD_LIBRARY_PATH - hardcode_into_libs=yes - if test "$with_gnu_ld" = yes; then - sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' - shlibpath_overrides_runpath=no - else - sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' - shlibpath_overrides_runpath=yes - case $host_os in - sco3.2v5*) - sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" - ;; - esac - fi - sys_lib_dlsearch_path_spec='/usr/lib' - ;; - -uts4*) - version_type=linux - library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' - soname_spec='${libname}${release}${shared_ext}$major' - shlibpath_var=LD_LIBRARY_PATH - ;; - -*) - dynamic_linker=no - ;; -esac -{ echo "$as_me:$LINENO: result: $dynamic_linker" >&5 -echo "${ECHO_T}$dynamic_linker" >&6; } -test "$dynamic_linker" = no && can_build_shared=no - -if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec" -fi - -sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" -if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec" -fi - -sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" - -variables_saved_for_relink="PATH $shlibpath_var $runpath_var" -if test "$GCC" = yes; then - variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" -fi - -{ echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5 -echo $ECHO_N "checking how to hardcode library paths into programs... $ECHO_C" >&6; 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then - test -f Makefile && make "$ltmain" + else + shlibpath_overrides_runpath=yes fi -fi - - -ac_ext=c -ac_cpp='$CPP $CPPFLAGS' -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_c_compiler_gnu + ;; -CC="$lt_save_CC" +os2*) + libname_spec='$name' + shrext_cmds=".dll" + need_lib_prefix=no + library_names_spec='$libname${shared_ext} $libname.a' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=LIBPATH + ;; - else - tagname="" - fi - ;; +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" + ;; 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then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + shlibpath_overrides_runpath=no + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + shlibpath_overrides_runpath=yes + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; -# ltmain only uses $CC for tagged configurations so make sure $CC is set. +uts4*) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; -# If no C compiler was specified, use CC. -LTCC=${LTCC-"$CC"} +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test "$dynamic_linker" = no && can_build_shared=no -# If no C compiler flags were specified, use CFLAGS. -LTCFLAGS=${LTCFLAGS-"$CFLAGS"} +if ${lt_cv_sys_lib_search_path_spec+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec" +fi -# Allow CC to be a program name with arguments. -compiler=$CC +sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" +if ${lt_cv_sys_lib_dlsearch_path_spec+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec" +fi +sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" -# save warnings/boilerplate of simple test code -ac_outfile=conftest.$ac_objext -echo "$lt_simple_compile_test_code" >conftest.$ac_ext -eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err -_lt_compiler_boilerplate=`cat conftest.err` -$rm conftest* +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test "$GCC" = yes; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi -ac_outfile=conftest.$ac_objext -echo "$lt_simple_link_test_code" >conftest.$ac_ext -eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err -_lt_linker_boilerplate=`cat conftest.err` -$rm -r conftest* +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action_GCJ= +if test -n "$hardcode_libdir_flag_spec_GCJ" || \ + test -n "$runpath_var_GCJ" || \ + test "X$hardcode_automatic_GCJ" = "Xyes" ; then + # We can hardcode non-existant directories. + if test "$hardcode_direct_GCJ" != no && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test "$_LT_AC_TAGVAR(hardcode_shlibpath_var, GCJ)" != no && + test "$hardcode_minus_L_GCJ" != no; then + # Linking always hardcodes the temporary library directory. + hardcode_action_GCJ=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action_GCJ=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action_GCJ=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action_GCJ" >&5 +$as_echo "$hardcode_action_GCJ" >&6; } -# Allow CC to be a program name with arguments. -lt_save_CC="$CC" -CC=${RC-"windres"} -compiler=$CC -compiler_RC=$CC -for cc_temp in $compiler""; do - case $cc_temp in - compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; - distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; - \-*) ;; - *) break;; - esac -done -cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"` +if test "$hardcode_action_GCJ" = relink; then + # Fast installation is not supported + enable_fast_install=no +elif test "$shlibpath_overrides_runpath" = yes || + test "$enable_shared" = no; then + # Fast installation is not necessary + enable_fast_install=needless +fi -lt_cv_prog_compiler_c_o_RC=yes # The else clause should only fire when bootstrapping the # libtool distribution, otherwise you forgot to ship ltmain.sh @@ -19853,63 +18672,63 @@ if test -f "$ltmain"; then fi # Now quote all the things that may contain metacharacters while being # careful not to overquote the AC_SUBSTed values. We take copies of the - # variables and quote the copies for generation of the libtool script. - for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \ - SED SHELL STRIP \ - libname_spec library_names_spec soname_spec extract_expsyms_cmds \ - old_striplib striplib file_magic_cmd finish_cmds finish_eval \ - deplibs_check_method reload_flag reload_cmds need_locks \ - lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \ - lt_cv_sys_global_symbol_to_c_name_address \ - sys_lib_search_path_spec sys_lib_dlsearch_path_spec \ - old_postinstall_cmds old_postuninstall_cmds \ - compiler_RC \ - CC_RC \ - LD_RC \ - lt_prog_compiler_wl_RC \ - lt_prog_compiler_pic_RC \ - lt_prog_compiler_static_RC \ - lt_prog_compiler_no_builtin_flag_RC \ - export_dynamic_flag_spec_RC \ - thread_safe_flag_spec_RC \ - whole_archive_flag_spec_RC \ - enable_shared_with_static_runtimes_RC \ - old_archive_cmds_RC \ - old_archive_from_new_cmds_RC \ - predep_objects_RC \ - postdep_objects_RC \ - predeps_RC \ - postdeps_RC \ - compiler_lib_search_path_RC \ - compiler_lib_search_dirs_RC \ - archive_cmds_RC \ - archive_expsym_cmds_RC \ - postinstall_cmds_RC \ - postuninstall_cmds_RC \ - old_archive_from_expsyms_cmds_RC \ - allow_undefined_flag_RC \ - no_undefined_flag_RC \ - export_symbols_cmds_RC \ - hardcode_libdir_flag_spec_RC \ - hardcode_libdir_flag_spec_ld_RC \ - hardcode_libdir_separator_RC \ - hardcode_automatic_RC \ - module_cmds_RC \ - module_expsym_cmds_RC \ - lt_cv_prog_compiler_c_o_RC \ - fix_srcfile_path_RC \ - exclude_expsyms_RC \ - include_expsyms_RC; do + # variables and quote the copies for generation of the libtool script. + for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \ + SED SHELL STRIP \ + libname_spec library_names_spec soname_spec extract_expsyms_cmds \ + old_striplib striplib file_magic_cmd finish_cmds finish_eval \ + deplibs_check_method reload_flag reload_cmds need_locks \ + lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \ + lt_cv_sys_global_symbol_to_c_name_address \ + sys_lib_search_path_spec sys_lib_dlsearch_path_spec \ + old_postinstall_cmds old_postuninstall_cmds \ + compiler_GCJ \ + CC_GCJ \ + LD_GCJ \ + lt_prog_compiler_wl_GCJ \ + lt_prog_compiler_pic_GCJ \ + lt_prog_compiler_static_GCJ \ + lt_prog_compiler_no_builtin_flag_GCJ \ + export_dynamic_flag_spec_GCJ \ + thread_safe_flag_spec_GCJ \ + whole_archive_flag_spec_GCJ \ + enable_shared_with_static_runtimes_GCJ \ + old_archive_cmds_GCJ \ + old_archive_from_new_cmds_GCJ \ + predep_objects_GCJ \ + postdep_objects_GCJ \ + predeps_GCJ \ + postdeps_GCJ \ + compiler_lib_search_path_GCJ \ + compiler_lib_search_dirs_GCJ \ + archive_cmds_GCJ \ + archive_expsym_cmds_GCJ \ + postinstall_cmds_GCJ \ + postuninstall_cmds_GCJ \ + old_archive_from_expsyms_cmds_GCJ \ + allow_undefined_flag_GCJ \ + no_undefined_flag_GCJ \ + export_symbols_cmds_GCJ \ + hardcode_libdir_flag_spec_GCJ \ + hardcode_libdir_flag_spec_ld_GCJ \ + hardcode_libdir_separator_GCJ \ + hardcode_automatic_GCJ \ + module_cmds_GCJ \ + module_expsym_cmds_GCJ \ + lt_cv_prog_compiler_c_o_GCJ \ + fix_srcfile_path_GCJ \ + exclude_expsyms_GCJ \ + include_expsyms_GCJ; do case $var in - old_archive_cmds_RC | \ - old_archive_from_new_cmds_RC | \ - archive_cmds_RC | \ - archive_expsym_cmds_RC | \ - module_cmds_RC | \ - module_expsym_cmds_RC | \ - old_archive_from_expsyms_cmds_RC | \ - export_symbols_cmds_RC | \ + old_archive_cmds_GCJ | \ + old_archive_from_new_cmds_GCJ | \ + archive_cmds_GCJ | \ + archive_expsym_cmds_GCJ | \ + module_cmds_GCJ | \ + module_expsym_cmds_GCJ | \ + old_archive_from_expsyms_cmds_GCJ | \ + export_symbols_cmds_GCJ | \ extract_expsyms_cmds | reload_cmds | finish_cmds | \ postinstall_cmds | postuninstall_cmds | \ old_postinstall_cmds | old_postuninstall_cmds | \ @@ -19946,10 +18765,10 @@ build_libtool_libs=$enable_shared build_old_libs=$enable_static # Whether or not to add -lc for building shared libraries. -build_libtool_need_lc=$archive_cmds_need_lc_RC +build_libtool_need_lc=$archive_cmds_need_lc_GCJ # Whether or not to disallow shared libs when runtime libs are static -allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_RC +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_GCJ # Whether or not to optimize for fast installation. fast_install=$enable_fast_install @@ -19978,16 +18797,16 @@ LTCC=$lt_LTCC LTCFLAGS=$lt_LTCFLAGS # A language-specific compiler. -CC=$lt_compiler_RC +CC=$lt_compiler_GCJ # Is the compiler the GNU C compiler? -with_gcc=$GCC_RC +with_gcc=$GCC_GCJ # An ERE matcher. EGREP=$lt_EGREP # The linker used to build libraries. -LD=$lt_LD_RC +LD=$lt_LD_GCJ # Whether we need hard or soft links. LN_S=$lt_LN_S @@ -20018,7 +18837,7 @@ reload_flag=$lt_reload_flag reload_cmds=$lt_reload_cmds # How to pass a linker flag through the compiler. -wl=$lt_lt_prog_compiler_wl_RC +wl=$lt_lt_prog_compiler_wl_GCJ # Object file suffix (normally "o"). objext="$ac_objext" @@ -20033,14 +18852,14 @@ shrext_cmds='$shrext_cmds' exeext="$exeext" # Additional compiler flags for building library objects. -pic_flag=$lt_lt_prog_compiler_pic_RC +pic_flag=$lt_lt_prog_compiler_pic_GCJ pic_mode=$pic_mode # What is the maximum length of a command? max_cmd_len=$lt_cv_sys_max_cmd_len # Does compiler simultaneously support -c and -o options? -compiler_c_o=$lt_lt_cv_prog_compiler_c_o_RC +compiler_c_o=$lt_lt_cv_prog_compiler_c_o_GCJ # Must we lock files when doing compilation? need_locks=$lt_need_locks @@ -20061,19 +18880,19 @@ dlopen_self=$enable_dlopen_self dlopen_self_static=$enable_dlopen_self_static # Compiler flag to prevent dynamic linking. -link_static_flag=$lt_lt_prog_compiler_static_RC +link_static_flag=$lt_lt_prog_compiler_static_GCJ # Compiler flag to turn off builtin functions. -no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_RC +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_GCJ # Compiler flag to allow reflexive dlopens. -export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_RC +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_GCJ # Compiler flag to generate shared objects directly from archives. -whole_archive_flag_spec=$lt_whole_archive_flag_spec_RC +whole_archive_flag_spec=$lt_whole_archive_flag_spec_GCJ # Compiler flag to generate thread-safe objects. -thread_safe_flag_spec=$lt_thread_safe_flag_spec_RC +thread_safe_flag_spec=$lt_thread_safe_flag_spec_GCJ # Library versioning type. version_type=$version_type @@ -20090,25 +18909,25 @@ soname_spec=$lt_soname_spec # Commands used to build and install an old-style archive. RANLIB=$lt_RANLIB -old_archive_cmds=$lt_old_archive_cmds_RC +old_archive_cmds=$lt_old_archive_cmds_GCJ old_postinstall_cmds=$lt_old_postinstall_cmds old_postuninstall_cmds=$lt_old_postuninstall_cmds # Create an old-style archive from a shared archive. -old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_RC +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_GCJ # Create a temporary old-style archive to link instead of a shared archive. -old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_RC +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_GCJ # Commands used to build and install a shared archive. -archive_cmds=$lt_archive_cmds_RC -archive_expsym_cmds=$lt_archive_expsym_cmds_RC +archive_cmds=$lt_archive_cmds_GCJ +archive_expsym_cmds=$lt_archive_expsym_cmds_GCJ postinstall_cmds=$lt_postinstall_cmds postuninstall_cmds=$lt_postuninstall_cmds # Commands used to build a loadable module (assumed same as above if empty) -module_cmds=$lt_module_cmds_RC -module_expsym_cmds=$lt_module_expsym_cmds_RC +module_cmds=$lt_module_cmds_GCJ +module_expsym_cmds=$lt_module_expsym_cmds_GCJ # Commands to strip libraries. old_striplib=$lt_old_striplib @@ -20116,27 +18935,27 @@ striplib=$lt_striplib # Dependencies to place before the objects being linked to create a # shared library. -predep_objects=$lt_predep_objects_RC +predep_objects=$lt_predep_objects_GCJ # Dependencies to place after the objects being linked to create a # shared library. -postdep_objects=$lt_postdep_objects_RC +postdep_objects=$lt_postdep_objects_GCJ # Dependencies to place before the objects being linked to create a # shared library. -predeps=$lt_predeps_RC +predeps=$lt_predeps_GCJ # Dependencies to place after the objects being linked to create a # shared library. -postdeps=$lt_postdeps_RC +postdeps=$lt_postdeps_GCJ # The directories searched by this compiler when creating a shared # library -compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_RC +compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_GCJ # The library search path used internally by the compiler when linking # a shared library. -compiler_lib_search_path=$lt_compiler_lib_search_path_RC +compiler_lib_search_path=$lt_compiler_lib_search_path_GCJ # Method to check whether dependent libraries are shared objects. deplibs_check_method=$lt_deplibs_check_method @@ -20145,10 +18964,10 @@ deplibs_check_method=$lt_deplibs_check_method file_magic_cmd=$lt_file_magic_cmd # Flag that allows shared libraries with undefined symbols to be built. -allow_undefined_flag=$lt_allow_undefined_flag_RC +allow_undefined_flag=$lt_allow_undefined_flag_GCJ # Flag that forces no undefined symbols. -no_undefined_flag=$lt_no_undefined_flag_RC +no_undefined_flag=$lt_no_undefined_flag_GCJ # Commands used to finish a libtool library installation in a directory. finish_cmds=$lt_finish_cmds @@ -20175,45 +18994,45 @@ shlibpath_var=$shlibpath_var shlibpath_overrides_runpath=$shlibpath_overrides_runpath # How to hardcode a shared library path into an executable. -hardcode_action=$hardcode_action_RC +hardcode_action=$hardcode_action_GCJ # Whether we should hardcode library paths into libraries. hardcode_into_libs=$hardcode_into_libs # Flag to hardcode \$libdir into a binary during linking. # This must work even if \$libdir does not exist. -hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_RC +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_GCJ # If ld is used when linking, flag to hardcode \$libdir into # a binary during linking. This must work even if \$libdir does # not exist. -hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld_RC +hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld_GCJ # Whether we need a single -rpath flag with a separated argument. -hardcode_libdir_separator=$lt_hardcode_libdir_separator_RC +hardcode_libdir_separator=$lt_hardcode_libdir_separator_GCJ # Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the # resulting binary. -hardcode_direct=$hardcode_direct_RC +hardcode_direct=$hardcode_direct_GCJ # Set to yes if using the -LDIR flag during linking hardcodes DIR into the # resulting binary. -hardcode_minus_L=$hardcode_minus_L_RC +hardcode_minus_L=$hardcode_minus_L_GCJ # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into # the resulting binary. -hardcode_shlibpath_var=$hardcode_shlibpath_var_RC +hardcode_shlibpath_var=$hardcode_shlibpath_var_GCJ # Set to yes if building a shared library automatically hardcodes DIR into the library # and all subsequent libraries and executables linked against it. -hardcode_automatic=$hardcode_automatic_RC +hardcode_automatic=$hardcode_automatic_GCJ # Variables whose values should be saved in libtool wrapper scripts and # restored at relink time. variables_saved_for_relink="$variables_saved_for_relink" # Whether libtool must link a program against all its dependency libraries. -link_all_deplibs=$link_all_deplibs_RC +link_all_deplibs=$link_all_deplibs_GCJ # Compile-time system search path for libraries sys_lib_search_path_spec=$lt_sys_lib_search_path_spec @@ -20225,19 +19044,19 @@ sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec fix_srcfile_path=$lt_fix_srcfile_path # Set to yes if exported symbols are required. -always_export_symbols=$always_export_symbols_RC +always_export_symbols=$always_export_symbols_GCJ # The commands to list exported symbols. -export_symbols_cmds=$lt_export_symbols_cmds_RC +export_symbols_cmds=$lt_export_symbols_cmds_GCJ # The commands to extract the exported symbol list from a shared archive. extract_expsyms_cmds=$lt_extract_expsyms_cmds # Symbols that should not be listed in the preloaded symbols. -exclude_expsyms=$lt_exclude_expsyms_RC +exclude_expsyms=$lt_exclude_expsyms_GCJ # Symbols that must always be exported. -include_expsyms=$lt_include_expsyms_RC +include_expsyms=$lt_include_expsyms_GCJ # ### END LIBTOOL TAG CONFIG: $tagname @@ -20263,2039 +19082,1278 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu CC="$lt_save_CC" + else + tagname="" + fi ;; - *) - { { echo "$as_me:$LINENO: error: Unsupported tag name: $tagname" >&5 -echo "$as_me: error: Unsupported tag name: $tagname" >&2;} - { (exit 1); exit 1; }; } - ;; - esac + RC) + + +# Source file extension for RC test sources. +ac_ext=rc + +# Object file extension for compiled RC test sources. +objext=o +objext_RC=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }' + +# Code to be used in simple link tests +lt_simple_link_test_code="$lt_simple_compile_test_code" + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + +# save warnings/boilerplate of simple test code +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$rm conftest* + +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$rm -r conftest* + + +# Allow CC to be a program name with arguments. +lt_save_CC="$CC" +CC=${RC-"windres"} +compiler=$CC +compiler_RC=$CC +for cc_temp in $compiler""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"` + +lt_cv_prog_compiler_c_o_RC=yes + +# The else clause should only fire when bootstrapping the +# libtool distribution, otherwise you forgot to ship ltmain.sh +# with your package, and you will get complaints that there are +# no rules to generate ltmain.sh. +if test -f "$ltmain"; then + # See if we are running on zsh, and set the options which allow our commands through + # without removal of \ escapes. + if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST + fi + # Now quote all the things that may contain metacharacters while being + # careful not to overquote the AC_SUBSTed values. We take copies of the + # variables and quote the copies for generation of the libtool script. + for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \ + SED SHELL STRIP \ + libname_spec library_names_spec soname_spec extract_expsyms_cmds \ + old_striplib striplib file_magic_cmd finish_cmds finish_eval \ + deplibs_check_method reload_flag reload_cmds need_locks \ + lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \ + lt_cv_sys_global_symbol_to_c_name_address \ + sys_lib_search_path_spec sys_lib_dlsearch_path_spec \ + old_postinstall_cmds old_postuninstall_cmds \ + compiler_RC \ + CC_RC \ + LD_RC \ + lt_prog_compiler_wl_RC \ + lt_prog_compiler_pic_RC \ + lt_prog_compiler_static_RC \ + lt_prog_compiler_no_builtin_flag_RC \ + export_dynamic_flag_spec_RC \ + thread_safe_flag_spec_RC \ + whole_archive_flag_spec_RC \ + enable_shared_with_static_runtimes_RC \ + old_archive_cmds_RC \ + old_archive_from_new_cmds_RC \ + predep_objects_RC \ + postdep_objects_RC \ + predeps_RC \ + postdeps_RC \ + compiler_lib_search_path_RC \ + compiler_lib_search_dirs_RC \ + archive_cmds_RC \ + archive_expsym_cmds_RC \ + postinstall_cmds_RC \ + postuninstall_cmds_RC \ + old_archive_from_expsyms_cmds_RC \ + allow_undefined_flag_RC \ + no_undefined_flag_RC \ + export_symbols_cmds_RC \ + hardcode_libdir_flag_spec_RC \ + hardcode_libdir_flag_spec_ld_RC \ + hardcode_libdir_separator_RC \ + hardcode_automatic_RC \ + module_cmds_RC \ + module_expsym_cmds_RC \ + lt_cv_prog_compiler_c_o_RC \ + fix_srcfile_path_RC \ + exclude_expsyms_RC \ + include_expsyms_RC; do - # Append the new tag name to the list of available tags. - if test -n "$tagname" ; then - available_tags="$available_tags $tagname" - fi - fi + case $var in + old_archive_cmds_RC | \ + old_archive_from_new_cmds_RC | \ + archive_cmds_RC | \ + archive_expsym_cmds_RC | \ + module_cmds_RC | \ + module_expsym_cmds_RC | \ + old_archive_from_expsyms_cmds_RC | \ + export_symbols_cmds_RC | \ + extract_expsyms_cmds | reload_cmds | finish_cmds | \ + postinstall_cmds | postuninstall_cmds | \ + old_postinstall_cmds | old_postuninstall_cmds | \ + sys_lib_search_path_spec | sys_lib_dlsearch_path_spec) + # Double-quote double-evaled strings. + eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\"" + ;; + *) + eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\"" + ;; + esac done - IFS="$lt_save_ifs" - - # Now substitute the updated list of available tags. - if eval "sed -e 's/^available_tags=.*\$/available_tags=\"$available_tags\"/' \"$ofile\" > \"${ofile}T\""; then - mv "${ofile}T" "$ofile" - chmod +x "$ofile" - else - rm -f "${ofile}T" - { { echo "$as_me:$LINENO: error: unable to update list of available tagged configurations." >&5 -echo "$as_me: error: unable to update list of available tagged configurations." >&2;} - { (exit 1); exit 1; }; } - fi -fi - - - -# This can be used to rebuild libtool when needed -LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh" - -# Always use our own libtool. -LIBTOOL='$(SHELL) $(top_builddir)/libtool' - -# Prevent multiple expansion - - - - - - - - - - + case $lt_echo in + *'\$0 --fallback-echo"') + lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'` + ;; + esac +cfgfile="$ofile" + cat <<__EOF__ >> "$cfgfile" +# ### BEGIN LIBTOOL TAG CONFIG: $tagname +# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`: +# Shell to use when invoking shell scripts. +SHELL=$lt_SHELL +# Whether or not to build shared libraries. +build_libtool_libs=$enable_shared +# Whether or not to build static libraries. +build_old_libs=$enable_static +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc_RC +# Whether or not to disallow shared libs when runtime libs are static +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_RC -{ echo "$as_me:$LINENO: checking whether ln -s works" >&5 -echo $ECHO_N "checking whether ln -s works... $ECHO_C" >&6; } -LN_S=$as_ln_s -if test "$LN_S" = "ln -s"; then - { echo "$as_me:$LINENO: result: yes" >&5 -echo "${ECHO_T}yes" >&6; } -else - { echo "$as_me:$LINENO: result: no, using $LN_S" >&5 -echo "${ECHO_T}no, using $LN_S" >&6; } -fi +# Whether or not to optimize for fast installation. +fast_install=$enable_fast_install +# The host system. +host_alias=$host_alias +host=$host +host_os=$host_os -PCRE_MAJOR="7" -PCRE_MINOR="8" -PCRE_PRERELEASE="" -PCRE_DATE="2008-09-05" +# The build system. +build_alias=$build_alias +build=$build +build_os=$build_os +# An echo program that does not interpret backslashes. +echo=$lt_echo +# The archiver. +AR=$lt_AR +AR_FLAGS=$lt_AR_FLAGS +# A C compiler. +LTCC=$lt_LTCC +# LTCC compiler flags. +LTCFLAGS=$lt_LTCFLAGS +# A language-specific compiler. +CC=$lt_compiler_RC -# Set a more sensible default value for $(htmldir). -if test "x$htmldir" = 'x${docdir}' -then - htmldir='${docdir}/html' -fi +# Is the compiler the GNU C compiler? +with_gcc=$GCC_RC -# Handle --disable-cpp -# Check whether --enable-cpp was given. -if test "${enable_cpp+set}" = set; 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(char *) 0 : (char const *) 0; - *t++ = 0; - if (s) return 0; - } - { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ - int x[] = {25, 17}; - const int *foo = &x[0]; - ++foo; - } - { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ - typedef const int *iptr; - iptr p = 0; - ++p; - } - { /* AIX XL C 1.02.0.0 rejects this saying - "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ - struct s { int j; const int *ap[3]; }; - struct s *b; b->j = 5; - } - { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ - const int foo = 10; - if (!foo) return 0; - } - return !cs[0] && !zero.x; -#endif +# Handle --with-match-limit=N - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - ac_cv_c_const=yes +# Check whether --with-match-limit was given. +if test "${with_match_limit+set}" = set; then : + withval=$with_match_limit; else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 + with_match_limit=10000000 +fi + + +# Handle --with-match-limit_recursion=N +# +# Note: In config.h, the default is to define MATCH_LIMIT_RECURSION +# symbolically as MATCH_LIMIT, which in turn is defined to be some numeric +# value (e.g. 10000000). MATCH_LIMIT_RECURSION can otherwise be set to some +# different numeric value (or even the same numeric value as MATCH_LIMIT, +# though no longer defined in terms of the latter). +# - ac_cv_c_const=no +# Check whether --with-match-limit-recursion was given. +if test "${with_match_limit_recursion+set}" = set; then : + withval=$with_match_limit_recursion; +else + with_match_limit_recursion=MATCH_LIMIT fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +# Make sure that if enable_unicode_properties was set, that UTF-8 support +# is enabled. +# +if test "x$enable_unicode_properties" = "xyes" +then + if test "x$enable_utf8" = "xno" + then + as_fn_error $? "support for Unicode properties requires UTF-8 support" "$LINENO" 5 + fi + enable_utf8=yes fi -{ echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5 -echo "${ECHO_T}$ac_cv_c_const" >&6; } -if test $ac_cv_c_const = no; then -cat >>confdefs.h <<\_ACEOF -#define const -_ACEOF +if test "x$enable_utf8" = "xunset" +then + enable_utf8=no +fi +# Make sure that if enable_ebcdic is set, rebuild_chartables is also enabled. +# +if test "x$enable_ebcdic" = "xyes" +then + enable_rebuild_chartables=yes fi -{ echo "$as_me:$LINENO: checking for size_t" >&5 -echo $ECHO_N "checking for size_t... $ECHO_C" >&6; } -if test "${ac_cv_type_size_t+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +# Convert the newline identifier into the appropriate integer value. +case "$enable_newline" in + lf) ac_pcre_newline_value=10 ;; + cr) ac_pcre_newline_value=13 ;; + crlf) ac_pcre_newline_value=3338 ;; + anycrlf) ac_pcre_newline_value=-2 ;; + any) ac_pcre_newline_value=-1 ;; + *) + as_fn_error $? "invalid argument \"$enable_newline\" to --enable-newline option" "$LINENO" 5 + ;; +esac + +# Check argument to --with-link-size +case "$with_link_size" in + 2|3|4) ;; + *) + as_fn_error $? "invalid argument \"$with_link_size\" to --with-link-size option" "$LINENO" 5 + ;; +esac + + + +# Checks for header files. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ -$ac_includes_default -typedef size_t ac__type_new_; +#include +#include +#include +#include + int main () { -if ((ac__type_new_ *) 0) - return 0; -if (sizeof (ac__type_new_)) - return 0; + ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - ac_cv_type_size_t=yes +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_type_size_t=no + ac_cv_header_stdc=no fi - rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -fi -{ echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5 -echo "${ECHO_T}$ac_cv_type_size_t" >&6; } -if test $ac_cv_type_size_t = yes; then - : -else -cat >>confdefs.h <<_ACEOF -#define size_t unsigned int +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + _ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : +else + ac_cv_header_stdc=no fi +rm -f conftest* +fi -pcre_have_strotolonglong=0 - - - -for ac_func in strtoq strtoll _strtoi64 -do -as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` -{ echo "$as_me:$LINENO: checking for $ac_func" >&5 -echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; } -if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ -/* Define $ac_func to an innocuous variant, in case declares $ac_func. - For example, HP-UX 11i declares gettimeofday. */ -#define $ac_func innocuous_$ac_func +#include -/* System header to define __stub macros and hopefully few prototypes, - which can conflict with char $ac_func (); below. - Prefer to if __STDC__ is defined, since - exists even on freestanding compilers. */ +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : -#ifdef __STDC__ -# include -#else -# include -#endif +else + ac_cv_header_stdc=no +fi +rm -f conftest* -#undef $ac_func +fi -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char $ac_func (); -/* The GNU C library defines this for functions which it implements - to always fail with ENOSYS. Some functions are actually named - something starting with __ and the normal name is an alias. */ -#if defined __stub_$ac_func || defined __stub___$ac_func -choke me +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) #endif +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { -return $ac_func (); - ; + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then - eval "$as_ac_var=yes" +if ac_fn_c_try_run "$LINENO"; then : + else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi - eval "$as_ac_var=no" fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext fi -ac_res=`eval echo '${'$as_ac_var'}'` - { echo "$as_me:$LINENO: result: $ac_res" >&5 -echo "${ECHO_T}$ac_res" >&6; } -if test `eval echo '${'$as_ac_var'}'` = yes; then + +for ac_header in limits.h sys/types.h sys/stat.h dirent.h windows.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : cat >>confdefs.h <<_ACEOF -#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF - pcre_have_strotolonglong="1"; break + fi + done -# If we can't convert a string to a long long, pretend we don't even -# have a long long. -if test $pcre_have_strotolonglong = "0"; then - pcre_have_long_long="0" - pcre_have_ulong_long="0" -else - { echo "$as_me:$LINENO: checking for long long" >&5 -echo $ECHO_N "checking for long long... $ECHO_C" >&6; } -if test "${ac_cv_type_long_long+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF + +# The files below are C++ header files. +pcre_have_type_traits="0" +pcre_have_bits_type_traits="0" +if test "x$enable_cpp" = "xyes" -a -n "$CXX" +then +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + + +# Older versions of pcre defined pcrecpp::no_arg, but in new versions +# it's called pcrecpp::RE::no_arg. For backwards ABI compatibility, +# we want to make one an alias for the other. Different systems do +# this in different ways. Some systems, for instance, can do it via +# a linker flag: -alias (for os x 10.5) or -i (for os x <=10.4). +OLD_LDFLAGS="$LDFLAGS" +for flag in "-alias,__ZN7pcrecpp2RE6no_argE,__ZN7pcrecpp6no_argE" \ + "-i__ZN7pcrecpp6no_argE:__ZN7pcrecpp2RE6no_argE"; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for alias support in the linker" >&5 +$as_echo_n "checking for alias support in the linker... " >&6; } + LDFLAGS="$OLD_LDFLAGS -Wl,$flag" + # We try to run the linker with this new ld flag. If the link fails, + # we give up and remove the new flag from LDFLAGS. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ -$ac_includes_default -typedef long long ac__type_new_; +namespace pcrecpp { + class RE { static int no_arg; }; + int RE::no_arg; + } int main () { -if ((ac__type_new_ *) 0) - return 0; -if (sizeof (ac__type_new_)) - return 0; + ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - ac_cv_type_long_long=yes +if ac_fn_cxx_try_link "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; }; + EXTRA_LIBPCRECPP_LDFLAGS="$EXTRA_LIBPCRECPP_LDFLAGS -Wl,$flag"; + break; else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_type_long_long=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +done +LDFLAGS="$OLD_LDFLAGS" -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -fi -{ echo "$as_me:$LINENO: result: $ac_cv_type_long_long" >&5 -echo "${ECHO_T}$ac_cv_type_long_long" >&6; } -if test $ac_cv_type_long_long = yes; then +# We could be more clever here, given we're doing AC_SUBST with this +# (eg set a var to be the name of the include file we want). But we're not +# so it's easy to change back to 'regular' autoconf vars if we needed to. -cat >>confdefs.h <<_ACEOF -#define HAVE_LONG_LONG 1 +for ac_header in string +do : + ac_fn_cxx_check_header_mongrel "$LINENO" "string" "ac_cv_header_string" "$ac_includes_default" +if test "x$ac_cv_header_string" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_STRING 1 _ACEOF - -pcre_have_long_long="1" + pcre_have_cpp_headers="1" else - pcre_have_long_long="0" + pcre_have_cpp_headers="0" fi - { echo "$as_me:$LINENO: checking for unsigned long long" >&5 -echo $ECHO_N "checking for unsigned long long... $ECHO_C" >&6; } -if test "${ac_cv_type_unsigned_long_long+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default -typedef unsigned long long ac__type_new_; -int -main () -{ -if ((ac__type_new_ *) 0) - return 0; -if (sizeof (ac__type_new_)) - return 0; - ; - return 0; -} +done + +for ac_header in bits/type_traits.h +do : + ac_fn_cxx_check_header_mongrel "$LINENO" "bits/type_traits.h" "ac_cv_header_bits_type_traits_h" "$ac_includes_default" +if test "x$ac_cv_header_bits_type_traits_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_BITS_TYPE_TRAITS_H 1 _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - ac_cv_type_unsigned_long_long=yes + pcre_have_bits_type_traits="1" else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_type_unsigned_long_long=no + pcre_have_bits_type_traits="0" fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -fi -{ echo "$as_me:$LINENO: result: $ac_cv_type_unsigned_long_long" >&5 -echo "${ECHO_T}$ac_cv_type_unsigned_long_long" >&6; } -if test $ac_cv_type_unsigned_long_long = yes; then +done -cat >>confdefs.h <<_ACEOF -#define HAVE_UNSIGNED_LONG_LONG 1 +for ac_header in type_traits.h +do : + ac_fn_cxx_check_header_mongrel "$LINENO" "type_traits.h" "ac_cv_header_type_traits_h" "$ac_includes_default" +if test "x$ac_cv_header_type_traits_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_TYPE_TRAITS_H 1 _ACEOF - -pcre_have_ulong_long="1" + pcre_have_type_traits="1" else - pcre_have_ulong_long="0" -fi - + pcre_have_type_traits="0" fi +done -# Checks for library functions. +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +fi +# Using AC_SUBST eliminates the need to include config.h in a public .h file -for ac_func in bcopy memmove strerror -do -as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` -{ echo "$as_me:$LINENO: checking for $ac_func" >&5 -echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; } -if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -/* Define $ac_func to an innocuous variant, in case declares $ac_func. - For example, HP-UX 11i declares gettimeofday. */ -#define $ac_func innocuous_$ac_func +# Conditional compilation + if test "x$enable_cpp" = "xyes"; then + WITH_PCRE_CPP_TRUE= + WITH_PCRE_CPP_FALSE='#' +else + WITH_PCRE_CPP_TRUE='#' + WITH_PCRE_CPP_FALSE= +fi -/* System header to define __stub macros and hopefully few prototypes, - which can conflict with char $ac_func (); below. - Prefer to if __STDC__ is defined, since - exists even on freestanding compilers. */ + if test "x$enable_rebuild_chartables" = "xyes"; then + WITH_REBUILD_CHARTABLES_TRUE= + WITH_REBUILD_CHARTABLES_FALSE='#' +else + WITH_REBUILD_CHARTABLES_TRUE='#' + WITH_REBUILD_CHARTABLES_FALSE= +fi -#ifdef __STDC__ -# include -#else -# include -#endif -#undef $ac_func +# Checks for typedefs, structures, and compiler characteristics. -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char $ac_func (); -/* The GNU C library defines this for functions which it implements - to always fail with ENOSYS. Some functions are actually named - something starting with __ and the normal name is an alias. */ -#if defined __stub_$ac_func || defined __stub___$ac_func -choke me -#endif +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5 +$as_echo_n "checking for an ANSI C-conforming const... " >&6; } +if ${ac_cv_c_const+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ int main () { -return $ac_func (); + +#ifndef __cplusplus + /* Ultrix mips cc rejects this sort of thing. */ + typedef int charset[2]; + const charset cs = { 0, 0 }; + /* SunOS 4.1.1 cc rejects this. */ + char const *const *pcpcc; + char **ppc; + /* NEC SVR4.0.2 mips cc rejects this. */ + struct point {int x, y;}; + static struct point const zero = {0,0}; + /* AIX XL C 1.02.0.0 rejects this. + It does not let you subtract one const X* pointer from another in + an arm of an if-expression whose if-part is not a constant + expression */ + const char *g = "string"; + pcpcc = &g + (g ? g-g : 0); + /* HPUX 7.0 cc rejects these. */ + ++pcpcc; + ppc = (char**) pcpcc; + pcpcc = (char const *const *) ppc; + { /* SCO 3.2v4 cc rejects this sort of thing. */ + char tx; + char *t = &tx; + char const *s = 0 ? (char *) 0 : (char const *) 0; + + *t++ = 0; + if (s) return 0; + } + { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ + int x[] = {25, 17}; + const int *foo = &x[0]; + ++foo; + } + { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ + typedef const int *iptr; + iptr p = 0; + ++p; + } + { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying + "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ + struct s { int j; const int *ap[3]; } bx; + struct s *b = &bx; b->j = 5; + } + { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ + const int foo = 10; + if (!foo) return 0; + } + return !cs[0] && !zero.x; +#endif + ; return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? 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-{ echo "$as_me:$LINENO: checking $ac_header usability" >&5 -echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; } -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default -#include <$ac_header> + +cat >>confdefs.h <<_ACEOF +#define size_t unsigned int _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - ac_header_compiler=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - ac_header_compiler=no fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 -echo "${ECHO_T}$ac_header_compiler" >&6; } -# Is the header present? -{ echo "$as_me:$LINENO: checking $ac_header presence" >&5 -echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; } -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include <$ac_header> +pcre_have_strotolonglong=0 +for ac_func in strtoq strtoll _strtoi64 +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 _ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || - test ! -s conftest.err - }; then - ac_header_preproc=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_header_preproc=no + pcre_have_strotolonglong="1"; break fi +done -rm -f conftest.err conftest.$ac_ext -{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 -echo "${ECHO_T}$ac_header_preproc" >&6; } - -# So? What about this header? -case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in - yes:no: ) - { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 -echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} - ac_header_preproc=yes - ;; - no:yes:* ) - { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 -echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 -echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 -echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 -echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 -echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} - - ;; -esac -{ echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +# If we can't convert a string to a long long, pretend we don't even +# have a long long. +if test $pcre_have_strotolonglong = "0"; then + pcre_have_long_long="0" + pcre_have_ulong_long="0" else - eval "$as_ac_Header=\$ac_header_preproc" -fi -ac_res=`eval echo '${'$as_ac_Header'}'` - { echo "$as_me:$LINENO: result: $ac_res" >&5 -echo "${ECHO_T}$ac_res" >&6; } + ac_fn_c_check_type "$LINENO" "long long" "ac_cv_type_long_long" "$ac_includes_default" +if test "x$ac_cv_type_long_long" = xyes; then : -fi -if test `eval echo '${'$as_ac_Header'}'` = yes; then - cat >>confdefs.h <<_ACEOF -#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +cat >>confdefs.h <<_ACEOF +#define HAVE_LONG_LONG 1 _ACEOF - HAVE_ZLIB_H=1 + +pcre_have_long_long="1" +else + pcre_have_long_long="0" fi -done + ac_fn_c_check_type "$LINENO" "unsigned long long" "ac_cv_type_unsigned_long_long" "$ac_includes_default" +if test "x$ac_cv_type_unsigned_long_long" = xyes; then : -{ echo "$as_me:$LINENO: checking for gzopen in -lz" >&5 -echo $ECHO_N "checking for gzopen in -lz... $ECHO_C" >&6; } -if test "${ac_cv_lib_z_gzopen+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - ac_check_lib_save_LIBS=$LIBS -LIBS="-lz $LIBS" -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ +cat >>confdefs.h <<_ACEOF +#define HAVE_UNSIGNED_LONG_LONG 1 _ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char gzopen (); -int -main () -{ -return gzopen (); - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? 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-{ echo "$as_me:$LINENO: checking $ac_header usability" >&5 -echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; } -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default -#include <$ac_header> +for ac_func in bcopy memmove strerror +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 _ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - ac_header_compiler=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - ac_header_compiler=no +fi +done + + +# Check for the availability of libz (aka zlib) + +for ac_header in zlib.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default" +if test "x$ac_cv_header_zlib_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_ZLIB_H 1 +_ACEOF + HAVE_ZLIB_H=1 fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 -echo "${ECHO_T}$ac_header_compiler" >&6; } +done -# Is the header present? -{ echo "$as_me:$LINENO: checking $ac_header presence" >&5 -echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; } -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gzopen in -lz" >&5 +$as_echo_n "checking for gzopen in -lz... " >&6; } +if ${ac_cv_lib_z_gzopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lz $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ -#include <$ac_header> + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char gzopen (); +int +main () +{ +return gzopen (); + ; + return 0; +} _ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || - test ! -s conftest.err - }; then - ac_header_preproc=yes +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_z_gzopen=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_header_preproc=no + ac_cv_lib_z_gzopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_gzopen" >&5 +$as_echo "$ac_cv_lib_z_gzopen" >&6; } +if test "x$ac_cv_lib_z_gzopen" = xyes; then : + HAVE_LIBZ=1 fi -rm -f conftest.err conftest.$ac_ext -{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 -echo "${ECHO_T}$ac_header_preproc" >&6; } - -# So? What about this header? -case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in - yes:no: ) - { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 -echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} - ac_header_preproc=yes - ;; - no:yes:* ) - { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 -echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 -echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 -echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 -echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 -echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} - ;; -esac -{ echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - eval "$as_ac_Header=\$ac_header_preproc" -fi -ac_res=`eval echo '${'$as_ac_Header'}'` - { echo "$as_me:$LINENO: result: $ac_res" >&5 -echo "${ECHO_T}$ac_res" >&6; } +# Check for the availability of libbz2 -fi -if test `eval echo '${'$as_ac_Header'}'` = yes; then +for ac_header in bzlib.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "bzlib.h" "ac_cv_header_bzlib_h" "$ac_includes_default" +if test "x$ac_cv_header_bzlib_h" = xyes; then : cat >>confdefs.h <<_ACEOF -#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +#define HAVE_BZLIB_H 1 _ACEOF HAVE_BZLIB_H=1 fi done -{ echo "$as_me:$LINENO: checking for BZ2_bzopen in -lbz2" >&5 -echo $ECHO_N "checking for BZ2_bzopen in -lbz2... $ECHO_C" >&6; } -if test "${ac_cv_lib_bz2_BZ2_bzopen+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BZ2_bzopen in -lbz2" >&5 +$as_echo_n "checking for BZ2_bzopen in -lbz2... " >&6; } +if ${ac_cv_lib_bz2_BZ2_bzopen+:} false; then : + $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lbz2 $LIBS" -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. @@ -22313,337 +20371,56 @@ return BZ2_bzopen (); return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_bz2_BZ2_bzopen=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_lib_bz2_BZ2_bzopen=no + ac_cv_lib_bz2_BZ2_bzopen=no fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi -{ echo "$as_me:$LINENO: result: $ac_cv_lib_bz2_BZ2_bzopen" >&5 -echo "${ECHO_T}$ac_cv_lib_bz2_BZ2_bzopen" >&6; } -if test $ac_cv_lib_bz2_BZ2_bzopen = yes; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bz2_BZ2_bzopen" >&5 +$as_echo "$ac_cv_lib_bz2_BZ2_bzopen" >&6; } +if test "x$ac_cv_lib_bz2_BZ2_bzopen" = xyes; then : HAVE_LIBBZ2=1 fi # Check for the availabiity of libreadline - for ac_header in readline/readline.h -do -as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - { echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -fi -ac_res=`eval echo '${'$as_ac_Header'}'` - { echo "$as_me:$LINENO: result: $ac_res" >&5 -echo "${ECHO_T}$ac_res" >&6; } -else - # Is the header compilable? -{ echo "$as_me:$LINENO: checking $ac_header usability" >&5 -echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; } -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default -#include <$ac_header> -_ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - ac_header_compiler=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_header_compiler=no -fi - -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 -echo "${ECHO_T}$ac_header_compiler" >&6; } - -# Is the header present? -{ echo "$as_me:$LINENO: checking $ac_header presence" >&5 -echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; } -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include <$ac_header> -_ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || - test ! -s conftest.err - }; then - ac_header_preproc=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_header_preproc=no -fi - -rm -f conftest.err conftest.$ac_ext -{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 -echo "${ECHO_T}$ac_header_preproc" >&6; } - -# So? What about this header? -case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in - yes:no: ) - { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 -echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} - ac_header_preproc=yes - ;; - no:yes:* ) - { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 -echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 -echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 -echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 -echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 -echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} - - ;; -esac -{ echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - eval "$as_ac_Header=\$ac_header_preproc" -fi -ac_res=`eval echo '${'$as_ac_Header'}'` - { echo "$as_me:$LINENO: result: $ac_res" >&5 -echo "${ECHO_T}$ac_res" >&6; } - -fi -if test `eval echo '${'$as_ac_Header'}'` = yes; then +do : + ac_fn_c_check_header_mongrel "$LINENO" "readline/readline.h" "ac_cv_header_readline_readline_h" "$ac_includes_default" +if test "x$ac_cv_header_readline_readline_h" = xyes; then : cat >>confdefs.h <<_ACEOF -#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +#define HAVE_READLINE_READLINE_H 1 _ACEOF HAVE_READLINE_H=1 fi done - for ac_header in readline/history.h -do -as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - { echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -fi -ac_res=`eval echo '${'$as_ac_Header'}'` - { echo "$as_me:$LINENO: result: $ac_res" >&5 -echo "${ECHO_T}$ac_res" >&6; } -else - # Is the header compilable? -{ echo "$as_me:$LINENO: checking $ac_header usability" >&5 -echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; } -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default -#include <$ac_header> -_ACEOF -rm -f conftest.$ac_objext -if { (ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_compile") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then - ac_header_compiler=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_header_compiler=no -fi - -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 -echo "${ECHO_T}$ac_header_compiler" >&6; } - -# Is the header present? -{ echo "$as_me:$LINENO: checking $ac_header presence" >&5 -echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; } -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include <$ac_header> -_ACEOF -if { (ac_try="$ac_cpp conftest.$ac_ext" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null && { - test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || - test ! -s conftest.err - }; then - ac_header_preproc=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_header_preproc=no -fi - -rm -f conftest.err conftest.$ac_ext -{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 -echo "${ECHO_T}$ac_header_preproc" >&6; } - -# So? What about this header? -case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in - yes:no: ) - { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 -echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} - ac_header_preproc=yes - ;; - no:yes:* ) - { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 -echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 -echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 -echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 -echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 -echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} - - ;; -esac -{ echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } -if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - eval "$as_ac_Header=\$ac_header_preproc" -fi -ac_res=`eval echo '${'$as_ac_Header'}'` - { echo "$as_me:$LINENO: result: $ac_res" >&5 -echo "${ECHO_T}$ac_res" >&6; } - -fi -if test `eval echo '${'$as_ac_Header'}'` = yes; then +do : + ac_fn_c_check_header_mongrel "$LINENO" "readline/history.h" "ac_cv_header_readline_history_h" "$ac_includes_default" +if test "x$ac_cv_header_readline_history_h" = xyes; then : cat >>confdefs.h <<_ACEOF -#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +#define HAVE_READLINE_HISTORY_H 1 _ACEOF HAVE_HISTORY_H=1 fi done -{ echo "$as_me:$LINENO: checking for readline in -lreadline" >&5 -echo $ECHO_N "checking for readline in -lreadline... $ECHO_C" >&6; } -if test "${ac_cv_lib_readline_readline+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for readline in -lreadline" >&5 +$as_echo_n "checking for readline in -lreadline... " >&6; } +if ${ac_cv_lib_readline_readline+:} false; then : + $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lreadline $LIBS" -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF +cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. @@ -22661,39 +20438,18 @@ return readline (); return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then +if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_readline_readline=yes else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_cv_lib_readline_readline=no + ac_cv_lib_readline_readline=no fi - -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi -{ echo "$as_me:$LINENO: result: $ac_cv_lib_readline_readline" >&5 -echo "${ECHO_T}$ac_cv_lib_readline_readline" >&6; } -if test $ac_cv_lib_readline_readline = yes; then +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_readline" >&5 +$as_echo "$ac_cv_lib_readline_readline" >&6; } +if test "x$ac_cv_lib_readline_readline" = xyes; then : HAVE_LIB_READLINE=1 fi @@ -22702,9 +20458,7 @@ fi if test "x$enable_shared" = "xno" ; then -cat >>confdefs.h <<\_ACEOF -#define PCRE_STATIC 1 -_ACEOF +$as_echo "#define PCRE_STATIC 1" >>confdefs.h fi @@ -22712,49 +20466,37 @@ fi if test "$enable_utf8" = "yes"; then -cat >>confdefs.h <<\_ACEOF -#define SUPPORT_UTF8 -_ACEOF +$as_echo "#define SUPPORT_UTF8 /**/" >>confdefs.h fi if test "$enable_unicode_properties" = "yes"; then -cat >>confdefs.h <<\_ACEOF -#define SUPPORT_UCP -_ACEOF +$as_echo "#define SUPPORT_UCP /**/" >>confdefs.h fi if test "$enable_stack_for_recursion" = "no"; then -cat >>confdefs.h <<\_ACEOF -#define NO_RECURSE -_ACEOF +$as_echo "#define NO_RECURSE /**/" >>confdefs.h fi if test "$enable_pcregrep_libz" = "yes"; then -cat >>confdefs.h <<\_ACEOF -#define SUPPORT_LIBZ -_ACEOF +$as_echo "#define SUPPORT_LIBZ /**/" >>confdefs.h fi if test "$enable_pcregrep_libbz2" = "yes"; then -cat >>confdefs.h <<\_ACEOF -#define SUPPORT_LIBBZ2 -_ACEOF +$as_echo "#define SUPPORT_LIBBZ2 /**/" >>confdefs.h fi if test "$enable_pcretest_libreadline" = "yes"; then -cat >>confdefs.h <<\_ACEOF -#define SUPPORT_LIBREADLINE -_ACEOF +$as_echo "#define SUPPORT_LIBREADLINE /**/" >>confdefs.h fi @@ -22766,9 +20508,7 @@ _ACEOF if test "$enable_bsr_anycrlf" = "yes"; then -cat >>confdefs.h <<\_ACEOF -#define BSR_ANYCRLF -_ACEOF +$as_echo "#define BSR_ANYCRLF /**/" >>confdefs.h fi @@ -22797,16 +20537,11 @@ _ACEOF -cat >>confdefs.h <<\_ACEOF -#define MAX_NAME_SIZE 32 -_ACEOF - +$as_echo "#define MAX_NAME_SIZE 32" >>confdefs.h -cat >>confdefs.h <<\_ACEOF -#define MAX_NAME_COUNT 10000 -_ACEOF +$as_echo "#define MAX_NAME_COUNT 10000" >>confdefs.h @@ -22814,7 +20549,7 @@ _ACEOF if test "$enable_ebcdic" = "yes"; then cat >>confdefs.h <<_ACEOF -#define EBCDIC +#define EBCDIC /**/ _ACEOF fi @@ -22933,12 +20668,13 @@ _ACEOF case $ac_val in #( *${as_nl}*) case $ac_var in #( - *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5 -echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;; + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; esac case $ac_var in #( _ | IFS | as_nl) ;; #( - *) $as_unset $ac_var ;; + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; esac ;; esac done @@ -22946,8 +20682,8 @@ echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;; (set) 2>&1 | case $as_nl`(ac_space=' '; set) 2>&1` in #( *${as_nl}ac_space=\ *) - # `set' does not quote correctly, so add quotes (double-quote - # substitution turns \\\\ into \\, and sed turns \\ into \). + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. sed -n \ "s/'/'\\\\''/g; s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" @@ -22969,13 +20705,24 @@ echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;; :end' >>confcache if diff "$cache_file" confcache >/dev/null 2>&1; then :; else if test -w "$cache_file"; then - test "x$cache_file" != "x/dev/null" && - { echo "$as_me:$LINENO: updating cache $cache_file" >&5 -echo "$as_me: updating cache $cache_file" >&6;} - cat confcache >$cache_file + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi else - { echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5 -echo "$as_me: not updating unwritable cache $cache_file" >&6;} + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} fi fi rm -f confcache @@ -22988,14 +20735,15 @@ DEFS=-DHAVE_CONFIG_H ac_libobjs= ac_ltlibobjs= +U= for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue # 1. Remove the extension, and $U if already installed. ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' - ac_i=`echo "$ac_i" | sed "$ac_script"` + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR # will be set to the directory where LIBOBJS objects are built. - ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext" - ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo' + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' done LIBOBJS=$ac_libobjs @@ -23003,47 +20751,34 @@ LTLIBOBJS=$ac_ltlibobjs if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then - { { echo "$as_me:$LINENO: error: conditional \"AMDEP\" was never defined. -Usually this means the macro was only invoked conditionally." >&5 -echo "$as_me: error: conditional \"AMDEP\" was never defined. -Usually this means the macro was only invoked conditionally." >&2;} - { (exit 1); exit 1; }; } + as_fn_error $? "conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then - { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined. -Usually this means the macro was only invoked conditionally." >&5 -echo "$as_me: error: conditional \"am__fastdepCC\" was never defined. -Usually this means the macro was only invoked conditionally." >&2;} - { (exit 1); exit 1; }; } + as_fn_error $? "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi if test -z "${am__fastdepCXX_TRUE}" && test -z "${am__fastdepCXX_FALSE}"; then - { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCXX\" was never defined. -Usually this means the macro was only invoked conditionally." >&5 -echo "$as_me: error: conditional \"am__fastdepCXX\" was never defined. -Usually this means the macro was only invoked conditionally." >&2;} - { (exit 1); exit 1; }; } + as_fn_error $? "conditional \"am__fastdepCXX\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi if test -z "${WITH_PCRE_CPP_TRUE}" && test -z "${WITH_PCRE_CPP_FALSE}"; then - { { echo "$as_me:$LINENO: error: conditional \"WITH_PCRE_CPP\" was never defined. -Usually this means the macro was only invoked conditionally." >&5 -echo "$as_me: error: conditional \"WITH_PCRE_CPP\" was never defined. -Usually this means the macro was only invoked conditionally." >&2;} - { (exit 1); exit 1; }; } + as_fn_error $? "conditional \"WITH_PCRE_CPP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi if test -z "${WITH_REBUILD_CHARTABLES_TRUE}" && test -z "${WITH_REBUILD_CHARTABLES_FALSE}"; then - { { echo "$as_me:$LINENO: error: conditional \"WITH_REBUILD_CHARTABLES\" was never defined. -Usually this means the macro was only invoked conditionally." >&5 -echo "$as_me: error: conditional \"WITH_REBUILD_CHARTABLES\" was never defined. -Usually this means the macro was only invoked conditionally." >&2;} - { (exit 1); exit 1; }; } + as_fn_error $? "conditional \"WITH_REBUILD_CHARTABLES\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi -: ${CONFIG_STATUS=./config.status} +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 ac_clean_files_save=$ac_clean_files ac_clean_files="$ac_clean_files $CONFIG_STATUS" -{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5 -echo "$as_me: creating $CONFIG_STATUS" >&6;} -cat >$CONFIG_STATUS <<_ACEOF +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 #! $SHELL # Generated by $as_me. # Run this file to recreate the current configuration. @@ -23053,59 +20788,79 @@ cat >$CONFIG_STATUS <<_ACEOF debug=false ac_cs_recheck=false ac_cs_silent=false -SHELL=\${CONFIG_SHELL-$SHELL} -_ACEOF -cat >>$CONFIG_STATUS <<\_ACEOF -## --------------------- ## -## M4sh Initialization. ## -## --------------------- ## +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## # Be more Bourne compatible DUALCASE=1; export DUALCASE # for MKS sh -if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: - # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST else - case `(set -o) 2>/dev/null` in - *posix*) set -o posix ;; + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; esac - fi - - -# PATH needs CR -# Avoid depending upon Character Ranges. -as_cr_letters='abcdefghijklmnopqrstuvwxyz' -as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' -as_cr_Letters=$as_cr_letters$as_cr_LETTERS -as_cr_digits='0123456789' -as_cr_alnum=$as_cr_Letters$as_cr_digits - -# The user is always right. -if test "${PATH_SEPARATOR+set}" != set; then - echo "#! /bin/sh" >conf$$.sh - echo "exit 0" >>conf$$.sh - chmod +x conf$$.sh - if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then - PATH_SEPARATOR=';' +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' else - PATH_SEPARATOR=: + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' fi - rm -f conf$$.sh + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' fi -# Support unset when possible. -if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then - as_unset=unset -else - as_unset=false +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } fi @@ -23114,20 +20869,19 @@ fi # there to prevent editors from complaining about space-tab. # (If _AS_PATH_WALK were called with IFS unset, it would disable word # splitting by setting IFS to empty value.) -as_nl=' -' IFS=" "" $as_nl" # Find who we are. Look in the path if we contain no directory separator. -case $0 in +as_myself= +case $0 in #(( *[\\/]* ) as_myself=$0 ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. - test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break -done + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done IFS=$as_save_IFS ;; @@ -23138,32 +20892,111 @@ if test "x$as_myself" = x; then as_myself=$0 fi if test ! -f "$as_myself"; then - echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 - { (exit 1); exit 1; } + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 fi -# Work around bugs in pre-3.0 UWIN ksh. -for as_var in ENV MAIL MAILPATH -do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : done PS1='$ ' PS2='> ' PS4='+ ' # NLS nuisances. -for as_var in \ - LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \ - LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \ - LC_TELEPHONE LC_TIME -do - if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then - eval $as_var=C; export $as_var - else - ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 fi -done + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + -# Required to use basename. if expr a : '\(a\)' >/dev/null 2>&1 && test "X`expr 00001 : '.*\(...\)'`" = X001; then as_expr=expr @@ -23177,13 +21010,17 @@ else as_basename=false fi - -# Name of the executable. +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + as_me=`$as_basename -- "$0" || $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ X"$0" : 'X\(//\)$' \| \ X"$0" : 'X\(/\)' \| . 2>/dev/null || -echo X/"$0" | +$as_echo X/"$0" | sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/ q @@ -23198,131 +21035,118 @@ echo X/"$0" | } s/.*/./; q'` -# CDPATH. -$as_unset CDPATH - - - - as_lineno_1=$LINENO - as_lineno_2=$LINENO - test "x$as_lineno_1" != "x$as_lineno_2" && - test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || { - - # Create $as_me.lineno as a copy of $as_myself, but with $LINENO - # uniformly replaced by the line number. The first 'sed' inserts a - # line-number line after each line using $LINENO; the second 'sed' - # does the real work. The second script uses 'N' to pair each - # line-number line with the line containing $LINENO, and appends - # trailing '-' during substitution so that $LINENO is not a special - # case at line end. - # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the - # scripts with optimization help from Paolo Bonzini. Blame Lee - # E. McMahon (1931-1989) for sed's syntax. :-) - sed -n ' - p - /[$]LINENO/= - ' <$as_myself | - sed ' - s/[$]LINENO.*/&-/ - t lineno - b - :lineno - N - :loop - s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ - t loop - s/-\n.*// - ' >$as_me.lineno && - chmod +x "$as_me.lineno" || - { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2 - { (exit 1); exit 1; }; } - - # Don't try to exec as it changes $[0], causing all sort of problems - # (the dirname of $[0] is not the place where we might find the - # original and so on. Autoconf is especially sensitive to this). - . 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"cannot create directory $as_dir" + + +} # as_fn_mkdir_p if mkdir -p . 2>/dev/null; then - as_mkdir_p=: + as_mkdir_p='mkdir -p "$as_dir"' else test -d ./-p && rmdir ./-p as_mkdir_p=false fi -if test -x / >/dev/null 2>&1; then - as_test_x='test -x' -else - if ls -dL / >/dev/null 2>&1; then - as_ls_L_option=L - else - as_ls_L_option= - fi - as_test_x=' - eval sh -c '\'' - if test -d "$1"; then - test -d "$1/."; - else - case $1 in - -*)set "./$1";; - esac; - case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in - ???[sx]*):;;*)false;;esac;fi - '\'' sh - ' -fi -as_executable_p=$as_test_x + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p # Sed expression to map a string onto a valid CPP name. as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" @@ -23332,13 +21156,19 @@ as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 -# Save the log message, to keep $[0] and so on meaningful, and to +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to # report actual input values of CONFIG_FILES etc. instead of their # values after options handling. ac_log=" This file was extended by PCRE $as_me 7.8, which was -generated by GNU Autoconf 2.61. Invocation command line was +generated by GNU Autoconf 2.69. Invocation command line was CONFIG_FILES = $CONFIG_FILES CONFIG_HEADERS = $CONFIG_HEADERS @@ -23351,7 +21181,16 @@ on `(hostname || uname -n) 2>/dev/null | sed 1q` _ACEOF -cat >>$CONFIG_STATUS <<_ACEOF +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 # Files that config.status was made for. config_files="$ac_config_files" config_headers="$ac_config_headers" @@ -23359,22 +21198,25 @@ config_commands="$ac_config_commands" _ACEOF -cat >>$CONFIG_STATUS <<\_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 ac_cs_usage="\ -\`$as_me' instantiates files from templates according to the -current configuration. +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. -Usage: $0 [OPTIONS] [FILE]... +Usage: $0 [OPTION]... [TAG]... -h, --help print this help, then exit -V, --version print version number and configuration settings, then exit - -q, --quiet do not print progress messages + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages -d, --debug don't remove temporary files --recheck update $as_me by reconfiguring in the same conditions - --file=FILE[:TEMPLATE] - instantiate the configuration file FILE - --header=FILE[:TEMPLATE] - instantiate the configuration header FILE + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE Configuration files: $config_files @@ -23385,16 +21227,17 @@ $config_headers Configuration commands: $config_commands -Report bugs to ." +Report bugs to the package provider." _ACEOF -cat >>$CONFIG_STATUS <<_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" ac_cs_version="\\ PCRE config.status 7.8 -configured by $0, generated by GNU Autoconf 2.61, - with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\" +configured by $0, generated by GNU Autoconf 2.69, + with options \\"\$ac_cs_config\\" -Copyright (C) 2006 Free Software Foundation, Inc. +Copyright (C) 2012 Free Software Foundation, Inc. This config.status script is free software; the Free Software Foundation gives unlimited permission to copy, distribute and modify it." @@ -23402,20 +21245,26 @@ ac_pwd='$ac_pwd' srcdir='$srcdir' INSTALL='$INSTALL' MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk _ACEOF -cat >>$CONFIG_STATUS <<\_ACEOF -# If no file are specified by the user, then we need to provide default -# value. By we need to know if files were specified by the user. +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. ac_need_defaults=: while test $# != 0 do case $1 in - --*=*) + --*=?*) ac_option=`expr "X$1" : 'X\([^=]*\)='` ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` ac_shift=: ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; *) ac_option=$1 ac_optarg=$2 @@ -23428,34 +21277,41 @@ do -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) ac_cs_recheck=: ;; --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) - echo "$ac_cs_version"; exit ;; + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; --debug | --debu | --deb | --de | --d | -d ) debug=: ;; --file | --fil | --fi | --f ) $ac_shift - CONFIG_FILES="$CONFIG_FILES $ac_optarg" + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" ac_need_defaults=false;; --header | --heade | --head | --hea ) $ac_shift - CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg" + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" ac_need_defaults=false;; --he | --h) # Conflict between --help and --header - { echo "$as_me: error: ambiguous option: $1 -Try \`$0 --help' for more information." >&2 - { (exit 1); exit 1; }; };; + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; --help | --hel | -h ) - echo "$ac_cs_usage"; exit ;; + $as_echo "$ac_cs_usage"; exit ;; -q | -quiet | --quiet | --quie | --qui | --qu | --q \ | -silent | --silent | --silen | --sile | --sil | --si | --s) ac_cs_silent=: ;; # This is an error. - -*) { echo "$as_me: error: unrecognized option: $1 -Try \`$0 --help' for more information." >&2 - { (exit 1); exit 1; }; } ;; + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; - *) ac_config_targets="$ac_config_targets $1" + *) as_fn_append ac_config_targets " $1" ac_need_defaults=false ;; esac @@ -23470,27 +21326,29 @@ if $ac_cs_silent; then fi _ACEOF -cat >>$CONFIG_STATUS <<_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 if \$ac_cs_recheck; then - echo "running CONFIG_SHELL=$SHELL $SHELL $0 "$ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6 - CONFIG_SHELL=$SHELL + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' export CONFIG_SHELL - exec $SHELL "$0"$ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + exec "\$@" fi _ACEOF -cat >>$CONFIG_STATUS <<\_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 exec 5>>config.log { echo sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX ## Running $as_me. ## _ASBOX - echo "$ac_log" + $as_echo "$ac_log" } >&5 _ACEOF -cat >>$CONFIG_STATUS <<_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 # # INIT-COMMANDS # @@ -23498,7 +21356,7 @@ AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir" _ACEOF -cat >>$CONFIG_STATUS <<\_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 # Handling of arguments. for ac_config_target in $ac_config_targets @@ -23516,9 +21374,7 @@ do "script-chmod") CONFIG_COMMANDS="$CONFIG_COMMANDS script-chmod" ;; "delete-old-chartables") CONFIG_COMMANDS="$CONFIG_COMMANDS delete-old-chartables" ;; - *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5 -echo "$as_me: error: invalid argument: $ac_config_target" >&2;} - { (exit 1); exit 1; }; };; + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; esac done @@ -23541,277 +21397,302 @@ fi # after its creation but before its name has been assigned to `$tmp'. $debug || { - tmp= + tmp= ac_tmp= trap 'exit_status=$? - { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status ' 0 - trap '{ (exit 1); exit 1; }' 1 2 13 15 + trap 'as_fn_exit 1' 1 2 13 15 } # Create a (secure) tmp directory for tmp files. { tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && - test -n "$tmp" && test -d "$tmp" + test -d "$tmp" } || { tmp=./conf$$-$RANDOM (umask 077 && mkdir "$tmp") -} || -{ - echo "$me: cannot create a temporary directory in ." >&2 - { (exit 1); exit 1; } -} - -# -# Set up the sed scripts for CONFIG_FILES section. -# +} || as_fn_error $? "cannot create a temporary directory in ." 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" fi done +rm -f conf$$subs.sh -ac_eof=`sed -n '/^CEOF[0-9]*$/s/CEOF/0/p' conf$$subs.sed` -if test -n "$ac_eof"; then - ac_eof=`echo "$ac_eof" | sort -nru | sed 1q` - ac_eof=`expr $ac_eof + 1` -fi +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} -cat >>$CONFIG_STATUS <<_ACEOF -cat >"\$tmp/subs-2.sed" <<\CEOF$ac_eof -/@[a-zA-Z_][a-zA-Z_0-9]*@/!b end +_ACAWK _ACEOF -sed ' -s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g -s/^/s,@/; s/!/@,|#_!!_#|/ -:n -t n -s/'"$ac_delim"'$/,g/; t -s/$/\\/; p -N; s/^.*\n//; s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g; b n -' >>$CONFIG_STATUS >$CONFIG_STATUS <<_ACEOF -:end -s/|#_!!_#|//g -CEOF$ac_eof +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 _ACEOF - -# VPATH may cause trouble with some makes, so we remove $(srcdir), -# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and # trailing colons and then remove the whole line if VPATH becomes empty # (actually we leave an empty line to preserve line numbers). if test "x$srcdir" = x.; then - ac_vpsub='/^[ ]*VPATH[ ]*=/{ -s/:*\$(srcdir):*/:/ -s/:*\${srcdir}:*/:/ -s/:*@srcdir@:*/:/ -s/^\([^=]*=[ ]*\):*/\1/ + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// s/^[^=]*=[ ]*$// }' fi -cat >>$CONFIG_STATUS <<\_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 fi # test -n "$CONFIG_FILES" +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. -for ac_tag in :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag do case $ac_tag in :[FHLC]) ac_mode=$ac_tag; continue;; esac case $ac_mode$ac_tag in :[FHL]*:*);; - :L* | :C*:*) { { echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5 -echo "$as_me: error: Invalid tag $ac_tag." >&2;} - { (exit 1); exit 1; }; };; + :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;; :[FH]-) ac_tag=-:-;; :[FH]*) ac_tag=$ac_tag:$ac_tag.in;; esac @@ -23830,7 +21711,7 @@ echo "$as_me: error: Invalid tag $ac_tag." >&2;} for ac_f do case $ac_f in - -) ac_f="$tmp/stdin";; + -) ac_f="$ac_tmp/stdin";; *) # Look for the file first in the build tree, then in the source tree # (if the path is not absolute). The absolute path cannot be DOS-style, # because $ac_f cannot contain `:'. @@ -23839,26 +21720,34 @@ echo "$as_me: error: Invalid tag $ac_tag." >&2;} [\\/$]*) false;; *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";; esac || - { { echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5 -echo "$as_me: error: cannot find input file: $ac_f" >&2;} - { (exit 1); exit 1; }; };; + as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;; esac - ac_file_inputs="$ac_file_inputs $ac_f" + case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac + as_fn_append ac_file_inputs " '$ac_f'" done # Let's still pretend it is `configure' which instantiates (i.e., don't # use $as_me), people would be surprised to read: # /* config.h. Generated by config.status. */ - configure_input="Generated from "`IFS=: - echo $* | sed 's|^[^:]*/||;s|:[^:]*/|, |g'`" by configure." + configure_input='Generated from '` + $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g' + `' by configure.' if test x"$ac_file" != x-; then configure_input="$ac_file. $configure_input" - { echo "$as_me:$LINENO: creating $ac_file" >&5 -echo "$as_me: creating $ac_file" >&6;} + { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5 +$as_echo "$as_me: creating $ac_file" >&6;} fi + # Neutralize special characters interpreted by sed in replacement strings. + case $configure_input in #( + *\&* | *\|* | *\\* ) + ac_sed_conf_input=`$as_echo "$configure_input" | + sed 's/[\\\\&|]/\\\\&/g'`;; #( + *) ac_sed_conf_input=$configure_input;; + esac case $ac_tag in - *:-:* | *:-) cat >"$tmp/stdin";; + *:-:* | *:-) cat >"$ac_tmp/stdin" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;; esac ;; esac @@ -23868,42 +21757,7 @@ $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ X"$ac_file" : 'X\(//\)[^/]' \| \ X"$ac_file" : 'X\(//\)$' \| \ X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || -echo X"$ac_file" | - sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ - s//\1/ - q - } - /^X\(\/\/\)[^/].*/{ - s//\1/ - q - } - /^X\(\/\/\)$/{ - s//\1/ - q - } - /^X\(\/\).*/{ - s//\1/ - q - } - s/.*/./; q'` - { as_dir="$ac_dir" - case $as_dir in #( - -*) as_dir=./$as_dir;; - esac - test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || { - as_dirs= - while :; do - case $as_dir in #( - *\'*) as_qdir=`echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #( - *) as_qdir=$as_dir;; - esac - as_dirs="'$as_qdir' $as_dirs" - as_dir=`$as_dirname -- "$as_dir" || -$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ - X"$as_dir" : 'X\(//\)[^/]' \| \ - X"$as_dir" : 'X\(//\)$' \| \ - X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || -echo X"$as_dir" | +$as_echo X"$ac_file" | sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/ q @@ -23921,20 +21775,15 @@ echo X"$as_dir" | q } s/.*/./; q'` - test -d "$as_dir" && break - done - test -z "$as_dirs" || eval "mkdir $as_dirs" - } || test -d "$as_dir" || { { echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5 -echo "$as_me: error: cannot create directory $as_dir" >&2;} - { (exit 1); exit 1; }; }; } + as_dir="$ac_dir"; as_fn_mkdir_p ac_builddir=. case "$ac_dir" in .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; *) - ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'` + ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'` # A ".." for each directory in $ac_dir_suffix. - ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'` + ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` case $ac_top_builddir_sub in "") ac_top_builddir_sub=. ac_top_build_prefix= ;; *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; @@ -23979,12 +21828,12 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix esac _ACEOF -cat >>$CONFIG_STATUS <<\_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 # If the template does not know about datarootdir, expand it. # FIXME: This hack should be removed a few years after 2.60. ac_datarootdir_hack=; ac_datarootdir_seen= - -case `sed -n '/datarootdir/ { +ac_sed_dataroot=' +/datarootdir/ { p q } @@ -23992,36 +21841,37 @@ case `sed -n '/datarootdir/ { /@docdir@/p /@infodir@/p /@localedir@/p -/@mandir@/p -' $ac_file_inputs` in +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in *datarootdir*) ac_datarootdir_seen=yes;; *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) - { echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 -echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} _ACEOF -cat >>$CONFIG_STATUS <<_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 ac_datarootdir_hack=' s&@datadir@&$datadir&g s&@docdir@&$docdir&g s&@infodir@&$infodir&g s&@localedir@&$localedir&g s&@mandir@&$mandir&g - s&\\\${datarootdir}&$datarootdir&g' ;; + s&\\\${datarootdir}&$datarootdir&g' ;; esac _ACEOF # Neutralize VPATH when `$srcdir' = `.'. # Shell code in configure.ac might set extrasub. # FIXME: do we really want to maintain this feature? -cat >>$CONFIG_STATUS <<_ACEOF - sed "$ac_vpsub +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_sed_extra="$ac_vpsub $extrasub _ACEOF -cat >>$CONFIG_STATUS <<\_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 :t /@[a-zA-Z_][a-zA-Z_0-9]*@/!b -s&@configure_input@&$configure_input&;t t +s|@configure_input@|$ac_sed_conf_input|;t t s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t s&@srcdir@&$ac_srcdir&;t t s&@abs_srcdir@&$ac_abs_srcdir&;t t s&@top_srcdir@&$ac_top_srcdir&;t t @@ -24032,121 +21882,51 @@ s&@abs_top_builddir@&$ac_abs_top_builddir&;t t s&@INSTALL@&$ac_INSTALL&;t t s&@MKDIR_P@&$ac_MKDIR_P&;t t $ac_datarootdir_hack -" $ac_file_inputs | sed -f "$tmp/subs-1.sed" | sed -f "$tmp/subs-2.sed" >$tmp/out +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \ + >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" && - { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } && - { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } && - { echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir' -which seems to be undefined. Please make sure it is defined." >&5 -echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' -which seems to be undefined. Please make sure it is defined." >&2;} - - rm -f "$tmp/stdin" + { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } && + { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' \ + "$ac_tmp/out"`; test -z "$ac_out"; } && + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&5 +$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&2;} + + rm -f "$ac_tmp/stdin" case $ac_file in - -) cat "$tmp/out"; rm -f "$tmp/out";; - *) rm -f "$ac_file"; mv "$tmp/out" $ac_file;; - esac + -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";; + *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";; + esac \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;; :H) # # CONFIG_HEADER # -_ACEOF - -# Transform confdefs.h into a sed script `conftest.defines', that -# substitutes the proper values into config.h.in to produce config.h. -rm -f conftest.defines conftest.tail -# First, append a space to every undef/define line, to ease matching. -echo 's/$/ /' >conftest.defines -# Then, protect against being on the right side of a sed subst, or in -# an unquoted here document, in config.status. If some macros were -# called several times there might be several #defines for the same -# symbol, which is useless. But do not sort them, since the last -# AC_DEFINE must be honored. -ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* -# These sed commands are passed to sed as "A NAME B PARAMS C VALUE D", where -# NAME is the cpp macro being defined, VALUE is the value it is being given. -# PARAMS is the parameter list in the macro definition--in most cases, it's -# just an empty string. -ac_dA='s,^\\([ #]*\\)[^ ]*\\([ ]*' -ac_dB='\\)[ (].*,\\1define\\2' -ac_dC=' ' -ac_dD=' ,' - -uniq confdefs.h | - sed -n ' - t rset - :rset - s/^[ ]*#[ ]*define[ ][ ]*// - t ok - d - :ok - s/[\\&,]/\\&/g - s/^\('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/ '"$ac_dA"'\1'"$ac_dB"'\2'"${ac_dC}"'\3'"$ac_dD"'/p - s/^\('"$ac_word_re"'\)[ ]*\(.*\)/'"$ac_dA"'\1'"$ac_dB$ac_dC"'\2'"$ac_dD"'/p - ' >>conftest.defines - -# Remove the space that was appended to ease matching. -# Then replace #undef with comments. This is necessary, for -# example, in the case of _POSIX_SOURCE, which is predefined and required -# on some systems where configure will not decide to define it. -# (The regexp can be short, since the line contains either #define or #undef.) -echo 's/ $// -s,^[ #]*u.*,/* & */,' >>conftest.defines - -# Break up conftest.defines: -ac_max_sed_lines=50 - -# First sed command is: sed -f defines.sed $ac_file_inputs >"$tmp/out1" -# Second one is: sed -f defines.sed "$tmp/out1" >"$tmp/out2" -# Third one will be: sed -f defines.sed "$tmp/out2" >"$tmp/out1" -# et cetera. -ac_in='$ac_file_inputs' -ac_out='"$tmp/out1"' -ac_nxt='"$tmp/out2"' - -while : -do - # Write a here document: - cat >>$CONFIG_STATUS <<_ACEOF - # First, check the format of the line: - cat >"\$tmp/defines.sed" <<\\CEOF -/^[ ]*#[ ]*undef[ ][ ]*$ac_word_re[ ]*\$/b def -/^[ ]*#[ ]*define[ ][ ]*$ac_word_re[( ]/b def -b -:def -_ACEOF - sed ${ac_max_sed_lines}q conftest.defines >>$CONFIG_STATUS - echo 'CEOF - sed -f "$tmp/defines.sed"' "$ac_in >$ac_out" >>$CONFIG_STATUS - ac_in=$ac_out; ac_out=$ac_nxt; ac_nxt=$ac_in - sed 1,${ac_max_sed_lines}d conftest.defines >conftest.tail - grep . conftest.tail >/dev/null || break - rm -f conftest.defines - mv conftest.tail conftest.defines -done -rm -f conftest.defines conftest.tail - -echo "ac_result=$ac_in" >>$CONFIG_STATUS -cat >>$CONFIG_STATUS <<\_ACEOF if test x"$ac_file" != x-; then - echo "/* $configure_input */" >"$tmp/config.h" - cat "$ac_result" >>"$tmp/config.h" - if diff $ac_file "$tmp/config.h" >/dev/null 2>&1; then - { echo "$as_me:$LINENO: $ac_file is unchanged" >&5 -echo "$as_me: $ac_file is unchanged" >&6;} + { + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" + } >"$ac_tmp/config.h" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then + { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5 +$as_echo "$as_me: $ac_file is unchanged" >&6;} else - rm -f $ac_file - mv "$tmp/config.h" $ac_file + rm -f "$ac_file" + mv "$ac_tmp/config.h" "$ac_file" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 fi else - echo "/* $configure_input */" - cat "$ac_result" + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \ + || as_fn_error $? "could not create -" "$LINENO" 5 fi - rm -f "$tmp/out12" -# Compute $ac_file's index in $config_headers. -_am_arg=$ac_file +# Compute "$ac_file"'s index in $config_headers. +_am_arg="$ac_file" _am_stamp_count=1 for _am_header in $config_headers :; do case $_am_header in @@ -24161,7 +21941,7 @@ $as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ X"$_am_arg" : 'X\(//\)[^/]' \| \ X"$_am_arg" : 'X\(//\)$' \| \ X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null || -echo X"$_am_arg" | +$as_echo X"$_am_arg" | sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/ q @@ -24181,8 +21961,8 @@ echo X"$_am_arg" | s/.*/./; q'`/stamp-h$_am_stamp_count ;; - :C) { echo "$as_me:$LINENO: executing $ac_file commands" >&5 -echo "$as_me: executing $ac_file commands" >&6;} + :C) { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5 +$as_echo "$as_me: executing $ac_file commands" >&6;} ;; esac @@ -24204,7 +21984,7 @@ $as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ X"$mf" : 'X\(//\)[^/]' \| \ X"$mf" : 'X\(//\)$' \| \ X"$mf" : 'X\(/\)' \| . 2>/dev/null || -echo X"$mf" | +$as_echo X"$mf" | sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/ q @@ -24248,42 +22028,7 @@ $as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ X"$file" : 'X\(//\)[^/]' \| \ X"$file" : 'X\(//\)$' \| \ X"$file" : 'X\(/\)' \| . 2>/dev/null || -echo X"$file" | - sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ - s//\1/ - q - } - /^X\(\/\/\)[^/].*/{ - s//\1/ - q - } - /^X\(\/\/\)$/{ - s//\1/ - q - } - /^X\(\/\).*/{ - s//\1/ - q - } - s/.*/./; q'` - { as_dir=$dirpart/$fdir - case $as_dir in #( - -*) as_dir=./$as_dir;; - esac - test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || { - as_dirs= - while :; do - case $as_dir in #( - *\'*) as_qdir=`echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #( - *) as_qdir=$as_dir;; - esac - as_dirs="'$as_qdir' $as_dirs" - as_dir=`$as_dirname -- "$as_dir" || -$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ - X"$as_dir" : 'X\(//\)[^/]' \| \ - X"$as_dir" : 'X\(//\)$' \| \ - X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || -echo X"$as_dir" | +$as_echo X"$file" | sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/ q @@ -24301,12 +22046,7 @@ echo X"$as_dir" | q } s/.*/./; q'` - test -d "$as_dir" && break - done - test -z "$as_dirs" || eval "mkdir $as_dirs" - } || test -d "$as_dir" || { { echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5 -echo "$as_me: error: cannot create directory $as_dir" >&2;} - { (exit 1); exit 1; }; }; } + as_dir=$dirpart/$fdir; as_fn_mkdir_p # echo "creating $dirpart/$file" echo '# dummy' > "$dirpart/$file" done @@ -24319,11 +22059,13 @@ done done # for ac_tag -{ (exit 0); exit 0; } +as_fn_exit 0 _ACEOF -chmod +x $CONFIG_STATUS ac_clean_files=$ac_clean_files_save +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + # configure is writing to config.log, and then calls config.status. # config.status does its own redirection, appending to config.log. @@ -24343,7 +22085,11 @@ if test "$no_create" != yes; then exec 5>>config.log # Use ||, not &&, to avoid exiting from the if with $? = 1, which # would make configure fail if this is the last instruction. - $ac_cs_success || { (exit 1); exit 1; } + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} fi