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runtime: correct exitThread on openbsd/arm64 

The notdead argument to sys___threxit() is a pointer, hence requires a 64-bit
move rather than a 32-bit one.

Updates #31656

Change-Id: I52ad31ed5afaf43ccc3d934025288216e8052528
Reviewed-on: https://go-review.googlesource.com/c/go/+/174124
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Joel Sing 2019-04-28 03:08:37 +10:00 committed by Brad Fitzpatrick
parent 930d6ecb69
commit 17a7f21790
1 changed files with 1 additions and 1 deletions
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2
src/runtime/sys_openbsd_arm64.s
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@ -25,7 +25,7 @@ TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0
// func exitThread(wait *uint32)
TEXT runtime·exitThread(SB),NOSPLIT,$0-4
MOVW wait+0(FP), R0 // arg 1 - notdead
MOVD wait+0(FP), R0 // arg 1 - notdead
MOVD $302, R8 // sys___threxit
SVC
MOVD $0, R0 // crash on syscall failure