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
7 #include "textflag.h"
8
9 //
10 // System calls for AMD64, Linux
11 //
12
13 // Just jump to package syscall's implementation for all these functions.
14 // The runtime may know about them.
15
16 TEXT ·Syscall(SB),NOSPLIT,$0-56
17 JMP syscall·Syscall(SB)
18
19 TEXT ·Syscall6(SB),NOSPLIT,$0-80
20 JMP syscall·Syscall6(SB)
21
22 TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
23 CALL runtime·entersyscall(SB)
24 MOVQ a1+8(FP), DI
25 MOVQ a2+16(FP), SI
26 MOVQ a3+24(FP), DX
27 MOVQ $0, R10
28 MOVQ $0, R8
29 MOVQ $0, R9
30 MOVQ trap+0(FP), AX // syscall entry
31 SYSCALL
32 MOVQ AX, r1+32(FP)
33 MOVQ DX, r2+40(FP)
34 CALL runtime·exitsyscall(SB)
35 RET
36
37 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
38 JMP syscall·RawSyscall(SB)
39
40 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
41 JMP syscall·RawSyscall6(SB)
42
43 TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
44 MOVQ a1+8(FP), DI
45 MOVQ a2+16(FP), SI
46 MOVQ a3+24(FP), DX
47 MOVQ $0, R10
48 MOVQ $0, R8
49 MOVQ $0, R9
50 MOVQ trap+0(FP), AX // syscall entry
51 SYSCALL
52 MOVQ AX, r1+32(FP)
53 MOVQ DX, r2+40(FP)
54 RET
55
56 TEXT ·gettimeofday(SB),NOSPLIT,$0-16
57 JMP syscall·gettimeofday(SB)
58
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