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runtime: fix argument dump in traceback

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Was printing words at SP instead of at FP
after shuffle due to nascent flag.

R=r, r2
CC=golang-dev
https://golang.org/cl/2316044
This commit is contained in:
Russ Cox 2010-10-07 06:45:40 -04:00
parent 53fff1e74d
commit 7eb13b95a3
1 changed files with 7 additions and 2 deletions
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9
src/pkg/runtime/amd64/traceback.c
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@ -21,7 +21,7 @@ gentraceback(byte *pc0, byte *sp, G *g, int32 skip, uintptr *pcbuf, int32 m)
{
byte *p;
int32 i, n, iter, nascent;
uintptr pc, tracepc;
uintptr pc, tracepc, *fp;
Stktop *stk;
Func *f;
@ -93,10 +93,15 @@ gentraceback(byte *pc0, byte *sp, G *g, int32 skip, uintptr *pcbuf, int32 m)
tracepc--;
printf(" %S:%d\n", f->src, funcline(f, tracepc));
printf("\t%S(", f->name);
fp = (uintptr*)sp;
if(f->frame < sizeof(uintptr))
fp++;
else
fp += f->frame/sizeof(uintptr);
for(i = 0; i < f->args; i++) {
if(i != 0)
prints(", ");
·printhex(((uintptr*)sp)[i]);
·printhex(fp[i]);
if(i >= 4) {
prints(", ...");
break;