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https://github.com/golang/sys.git
synced 2026-02-08 03:36:03 +03:00
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>
66 lines
1.4 KiB
ArmAsm
66 lines
1.4 KiB
ArmAsm
// Copyright 2009 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 !gccgo
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#include "textflag.h"
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//
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// System calls for 386, Linux
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//
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// See ../runtime/sys_linux_386.s for the reason why we always use int 0x80
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// instead of the glibc-specific "CALL 0x10(GS)".
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#define INVOKE_SYSCALL INT $0x80
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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,$0-28
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JMP syscall·Syscall(SB)
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TEXT ·Syscall6(SB),NOSPLIT,$0-40
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JMP syscall·Syscall6(SB)
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TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
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CALL runtime·entersyscall(SB)
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MOVL trap+0(FP), AX // syscall entry
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MOVL a1+4(FP), BX
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MOVL a2+8(FP), CX
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MOVL a3+12(FP), DX
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MOVL $0, SI
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MOVL $0, DI
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INVOKE_SYSCALL
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MOVL AX, r1+16(FP)
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MOVL DX, r2+20(FP)
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CALL runtime·exitsyscall(SB)
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RET
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TEXT ·RawSyscall(SB),NOSPLIT,$0-28
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JMP syscall·RawSyscall(SB)
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TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
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JMP syscall·RawSyscall6(SB)
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TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
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MOVL trap+0(FP), AX // syscall entry
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MOVL a1+4(FP), BX
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MOVL a2+8(FP), CX
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MOVL a3+12(FP), DX
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MOVL $0, SI
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MOVL $0, DI
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INVOKE_SYSCALL
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MOVL AX, r1+16(FP)
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MOVL DX, r2+20(FP)
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RET
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TEXT ·socketcall(SB),NOSPLIT,$0-36
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JMP syscall·socketcall(SB)
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TEXT ·rawsocketcall(SB),NOSPLIT,$0-36
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JMP syscall·rawsocketcall(SB)
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TEXT ·seek(SB),NOSPLIT,$0-28
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JMP syscall·seek(SB)
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