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