1// Copyright 2009 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build gc
6// +build gc
7
8#include "textflag.h"
9
10//
11// System calls for AMD64, Linux
12//
13
14// Just jump to package syscall's implementation for all these functions.
15// The runtime may know about them.
16
17TEXT ·Syscall(SB),NOSPLIT,$0-56
18	JMP	syscall·Syscall(SB)
19
20TEXT ·Syscall6(SB),NOSPLIT,$0-80
21	JMP	syscall·Syscall6(SB)
22
23TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
24	CALL	runtime·entersyscall(SB)
25	MOVQ	a1+8(FP), DI
26	MOVQ	a2+16(FP), SI
27	MOVQ	a3+24(FP), DX
28	MOVQ	$0, R10
29	MOVQ	$0, R8
30	MOVQ	$0, R9
31	MOVQ	trap+0(FP), AX	// syscall entry
32	SYSCALL
33	MOVQ	AX, r1+32(FP)
34	MOVQ	DX, r2+40(FP)
35	CALL	runtime·exitsyscall(SB)
36	RET
37
38TEXT ·RawSyscall(SB),NOSPLIT,$0-56
39	JMP	syscall·RawSyscall(SB)
40
41TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
42	JMP	syscall·RawSyscall6(SB)
43
44TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
45	MOVQ	a1+8(FP), DI
46	MOVQ	a2+16(FP), SI
47	MOVQ	a3+24(FP), DX
48	MOVQ	$0, R10
49	MOVQ	$0, R8
50	MOVQ	$0, R9
51	MOVQ	trap+0(FP), AX	// syscall entry
52	SYSCALL
53	MOVQ	AX, r1+32(FP)
54	MOVQ	DX, r2+40(FP)
55	RET
56
57TEXT ·gettimeofday(SB),NOSPLIT,$0-16
58	JMP	syscall·gettimeofday(SB)
59