Add go1.23 support

golang/go@2b82a4f.

.github/workflows/go.yml

@@ -63,6 +63,7 @@ jobs:
           - '1.20'
           - '1.21'
           - '1.22'
+          - '1.23rc2'
         exclude:
           # Support for s390x was added in Go1.7. See https://go.dev/doc/go1.7#ports.
           - arch: s390x

runtime_go1.23.go

@@ -0,0 +1,38 @@
+//go:build gc && go1.23
+// +build gc,go1.23
+
+package goid
+
+type stack struct {
+	lo uintptr
+	hi uintptr
+}
+
+type gobuf struct {
+	sp   uintptr
+	pc   uintptr
+	g    uintptr
+	ctxt uintptr
+	ret  uintptr
+	lr   uintptr
+	bp   uintptr
+}
+
+type g struct {
+	stack       stack
+	stackguard0 uintptr
+	stackguard1 uintptr
+
+	_panic       uintptr
+	_defer       uintptr
+	m            uintptr
+	sched        gobuf
+	syscallsp    uintptr
+	syscallpc    uintptr
+	syscallbp    uintptr
+	stktopsp     uintptr
+	param        uintptr
+	atomicstatus uint32
+	stackLock    uint32
+	goid         int64 // Here it is!
+}

runtime_go1.9.go

@@ -1,5 +1,5 @@
-//go:build gc && go1.9
-// +build gc,go1.9
+//go:build gc && go1.9 && !go1.23
+// +build gc,go1.9,!go1.23
 
 package goid