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
58
59
60
61
62
63
64
65
| // 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 386, Linux
| //
|
| // See ../runtime/sys_linux_386.s for the reason why we always use int 0x80
| // instead of the glibc-specific "CALL 0x10(GS)".
| #define INVOKE_SYSCALL INT $0x80
|
| // Just jump to package syscall's implementation for all these functions.
| // The runtime may know about them.
|
| TEXT ·Syscall(SB),NOSPLIT,$0-28
| JMP syscall·Syscall(SB)
|
| TEXT ·Syscall6(SB),NOSPLIT,$0-40
| JMP syscall·Syscall6(SB)
|
| TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
| CALL runtime·entersyscall(SB)
| MOVL trap+0(FP), AX // syscall entry
| MOVL a1+4(FP), BX
| MOVL a2+8(FP), CX
| MOVL a3+12(FP), DX
| MOVL $0, SI
| MOVL $0, DI
| INVOKE_SYSCALL
| MOVL AX, r1+16(FP)
| MOVL DX, r2+20(FP)
| CALL runtime·exitsyscall(SB)
| RET
|
| TEXT ·RawSyscall(SB),NOSPLIT,$0-28
| JMP syscall·RawSyscall(SB)
|
| TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
| JMP syscall·RawSyscall6(SB)
|
| TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
| MOVL trap+0(FP), AX // syscall entry
| MOVL a1+4(FP), BX
| MOVL a2+8(FP), CX
| MOVL a3+12(FP), DX
| MOVL $0, SI
| MOVL $0, DI
| INVOKE_SYSCALL
| MOVL AX, r1+16(FP)
| MOVL DX, r2+20(FP)
| RET
|
| TEXT ·socketcall(SB),NOSPLIT,$0-36
| JMP syscall·socketcall(SB)
|
| TEXT ·rawsocketcall(SB),NOSPLIT,$0-36
| JMP syscall·rawsocketcall(SB)
|
| TEXT ·seek(SB),NOSPLIT,$0-28
| JMP syscall·seek(SB)
|
|
