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28a7276518
Add the SyscallNoError and RawSyscallNoError wrapper functions which are used for syscalls that don't return an error. Also convert all applicable syscalls to use these wrappers. Updates golang/go#22924 Change-Id: Ie143abc99de8d12d36b67ac278e08d7565f73ce0 Reviewed-on: https://go-review.googlesource.com/85756 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
57 lines
1.1 KiB
ArmAsm
57 lines
1.1 KiB
ArmAsm
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build s390x
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// +build linux
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// +build !gccgo
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#include "textflag.h"
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//
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// System calls for s390x, Linux
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//
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// Just jump to package syscall's implementation for all these functions.
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// The runtime may know about them.
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TEXT ·Syscall(SB),NOSPLIT,$0-56
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BR syscall·Syscall(SB)
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TEXT ·Syscall6(SB),NOSPLIT,$0-80
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BR syscall·Syscall6(SB)
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TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
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BL runtime·entersyscall(SB)
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MOVD a1+8(FP), R2
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MOVD a2+16(FP), R3
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MOVD a3+24(FP), R4
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MOVD $0, R5
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MOVD $0, R6
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MOVD $0, R7
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MOVD trap+0(FP), R1 // syscall entry
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SYSCALL
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MOVD R2, r1+32(FP)
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MOVD R3, r2+40(FP)
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BL runtime·exitsyscall(SB)
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RET
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TEXT ·RawSyscall(SB),NOSPLIT,$0-56
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BR syscall·RawSyscall(SB)
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TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
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BR syscall·RawSyscall6(SB)
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TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
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MOVD a1+8(FP), R2
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MOVD a2+16(FP), R3
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MOVD a3+24(FP), R4
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MOVD $0, R5
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MOVD $0, R6
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MOVD $0, R7
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MOVD trap+0(FP), R1 // syscall entry
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SYSCALL
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MOVD R2, r1+32(FP)
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MOVD R3, r2+40(FP)
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RET
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