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runtime: fix initial gp->sched.pc in newextram

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CL 170720043 missed this one when adding +PCQuantum.

LGTM=iant
R=r, iant
CC=golang-codereviews
https://golang.org/cl/168090043
This commit is contained in:
Russ Cox 2014-11-06 09:37:04 -05:00
parent 1cdd9b407d
commit 6ad16c4a48
1 changed files with 5 additions and 4 deletions
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9
src/runtime/proc.c
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@ -990,7 +990,7 @@ runtime·newextram(void)
// the goroutine stack ends.
mp = runtime·allocm(nil);
gp = runtime·malg(4096);
gp->sched.pc = (uintptr)runtime·goexit;
gp->sched.pc = (uintptr)runtime·goexit + PCQuantum;
gp->sched.sp = gp->stack.hi;
gp->sched.sp -= 4*sizeof(uintreg); // extra space in case of reads slightly beyond frame
gp->sched.lr = 0;
@ -2424,9 +2424,10 @@ static struct ProfState {
int32 hz;
} prof;
static void System(void) {}
static void ExternalCode(void) {}
static void GC(void) {}
static void System(void) { System(); }
static void ExternalCode(void) { ExternalCode(); }
static void GC(void) { GC(); }
extern void runtime·cpuproftick(uintptr*, int32);
extern byte runtime·etext[];