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runtime: adjust GC debug print to include source pointers

Browse Source 
Having the pointers means you can grub around in the
binary finding out more about them.

This helped with issue 7748.

LGTM=minux.ma, bradfitz
R=golang-codereviews, minux.ma, bradfitz
CC=golang-codereviews
https://golang.org/cl/88090045
This commit is contained in:
Russ Cox 2014-04-16 11:39:43 -04:00
parent d0d425a987
commit a5b1530557
1 changed files with 2 additions and 2 deletions
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4
src/pkg/runtime/mgc0.c
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@ -702,8 +702,8 @@ checkptr(void *obj, uintptr objti)
// A simple best-effort check until first GC_END.
for(j = 1; pc1[j] != GC_END && pc2[j] != GC_END; j++) {
if(pc1[j] != pc2[j]) {
runtime·printf("invalid gc type info for '%s' at %p, type info %p, block info %p\n",
t->string ? (int8*)t->string->str : (int8*)"?", j, pc1[j], pc2[j]);
runtime·printf("invalid gc type info for '%s', type info %p [%d]=%p, block info %p [%d]=%p\n",
t->string ? (int8*)t->string->str : (int8*)"?", pc1, (int32)j, pc1[j], pc2, (int32)j, pc2[j]);
runtime·throw("invalid gc type info");
}
}