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extable.c
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extable.c
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#include <stdio.h>
#include <stdlib.h>
struct exception_table_entry {
void *addr;
void *fixup;
};
extern struct exception_table_entry __start___ex_table[];
extern struct exception_table_entry __stop___ex_table[];
void
print_exception_table(void)
{
int i;
printf("BEGIN exception table\n");
for (i = 0; &__start___ex_table[i] != &__stop___ex_table[0]; ++i) {
struct exception_table_entry *e;
e = &__start___ex_table[i];
printf("\t%p -> %p\n", e->addr, e->fixup);
}
printf("END exception table\n");
}
struct exception_table_entry *
search_exception_table(void *addr)
{
int i;
for (i = 0; &__start___ex_table[i] != &__stop___ex_table[0]; ++i) {
struct exception_table_entry *e;
e = &__start___ex_table[i];
if (e->addr == addr)
return e;
}
return NULL;
}