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runtime: fix arm build

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The current failure is:
fatal error: runtime: stack split during syscall
goroutine 2 [stack split]:
_si2v(0xb6ebaebc, 0x3b9aca00)
        /usr/local/go/src/pkg/runtime/vlrt_arm.c:628 fp=0xb6ebae9c
runtime.timediv(0xf8475800, 0xd, 0x3b9aca00, 0xb6ebaef4)
        /usr/local/go/src/pkg/runtime/runtime.c:424 +0x1c fp=0xb6ebaed4

Just adding textflag 7 causes the following error:
notetsleep: nosplit stack overflow
        128	assumed on entry to notetsleep
        96	after notetsleep uses 32
        60	after runtime.futexsleep uses 36
        4	after runtime.timediv uses 56
        -4	after _si2v uses 8

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/12001045
This commit is contained in:
Dmitriy Vyukov 2013-07-30 00:08:30 +04:00
parent 5bd61e0603
commit 14e3540430
1 changed files with 3 additions and 5 deletions
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8
src/pkg/runtime/vlrt_arm.c
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@ -624,14 +624,12 @@ _ul2v(Vlong *ret, ulong ul)
ret->hi = 0;
}
#pragma textflag 7
void
_si2v(Vlong *ret, int si)
{
long t;
t = si;
ret->lo = t;
ret->hi = t >> 31;
ret->lo = (long)si;
ret->hi = (long)si >> 31;
}
void