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runtime: correct arguments to pipe2 syscall in pipe on netbsd/arm64

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Follow the implementation of pipe2 to pass arguments and handle return
values.

With this fix the runtime tests pass on netbsd/arm64 (tested using
gomote on the netbsd-arm64-bsiegert builder).

Update #30824

Change-Id: I346db68fc9dde8dc7f11351af05c1ad3105f4a32
Reviewed-on: https://go-review.googlesource.com/c/go/+/258000
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Benny Siegert <bsiegert@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
This commit is contained in:
Tobias Klauser 2020-09-29 15:13:17 +02:00 committed by Tobias Klauser
parent 66770f4b1d
commit 567ef8bd8e
1 changed files with 3 additions and 9 deletions
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12
src/runtime/sys_netbsd_arm64.s
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@ -152,19 +152,13 @@ ok:
// func pipe() (r, w int32, errno int32)
TEXT runtime·pipe(SB),NOSPLIT|NOFRAME,$0-12
MOVW $0, R0
ADD $8, RSP, R0
MOVW $0, R1
SVC $SYS_pipe2
BCC pipeok
MOVW $-1,R1
MOVW R1, r+0(FP)
MOVW R1, w+4(FP)
NEG R0, R0
MOVW R0, errno+8(FP)
RET
pipeok:
MOVW R0, r+0(FP)
MOVW R1, w+4(FP)
MOVW ZR, errno+8(FP)
MOVW R0, errno+8(FP)
RET
// func pipe2(flags int32) (r, w int32, errno int32)