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runtime: fix build for Linux/ARM 

R=dave, rsc
CC=golang-dev
https://golang.org/cl/7299055
This commit is contained in:
Shenghou Ma 2013-02-08 13:24:38 +08:00
parent c94eddd1af
commit 6c54bf9916
1 changed files with 7 additions and 2 deletions
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9
src/pkg/runtime/traceback_arm.c
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@ -183,10 +183,15 @@ runtime·gentraceback(byte *pc0, byte *sp, byte *lr0, G *gp, int32 skip, uintptr
if(f->entry == (uintptr)runtime·deferproc || f->entry == (uintptr)runtime·newproc)
sp += 12;
// sighandler saves the lr on stack before fake a call to sigpanic
// sighandler saves the lr on stack before faking a call to sigpanic
if(waspanic) {
pc = *(uintptr *)sp;
x = *(uintptr *)sp;
sp += 4;
f = runtime·findfunc(pc);
if (f == nil) {
pc = x;
} else if (f->frame == 0)
lr = x;
}
}