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// +build !gccgo
6
7#include "textflag.h"
8
9//
10// System calls for 386, Linux
11//
12
13// See ../runtime/sys_linux_386.s for the reason why we always use int 0x80
14// instead of the glibc-specific "CALL 0x10(GS)".
15#define INVOKE_SYSCALL	INT	$0x80
16
17// Just jump to package syscall's implementation for all these functions.
18// The runtime may know about them.
19
20TEXT ·Syscall(SB),NOSPLIT,$0-28
21	JMP	syscall·Syscall(SB)
22
23TEXT ·Syscall6(SB),NOSPLIT,$0-40
24	JMP	syscall·Syscall6(SB)
25
26TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
27	CALL	runtime·entersyscall(SB)
28	MOVL	trap+0(FP), AX  // syscall entry
29	MOVL	a1+4(FP), BX
30	MOVL	a2+8(FP), CX
31	MOVL	a3+12(FP), DX
32	MOVL	$0, SI
33	MOVL	$0, DI
34	INVOKE_SYSCALL
35	MOVL	AX, r1+16(FP)
36	MOVL	DX, r2+20(FP)
37	CALL	runtime·exitsyscall(SB)
38	RET
39
40TEXT ·RawSyscall(SB),NOSPLIT,$0-28
41	JMP	syscall·RawSyscall(SB)
42
43TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
44	JMP	syscall·RawSyscall6(SB)
45
46TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
47	MOVL	trap+0(FP), AX  // syscall entry
48	MOVL	a1+4(FP), BX
49	MOVL	a2+8(FP), CX
50	MOVL	a3+12(FP), DX
51	MOVL	$0, SI
52	MOVL	$0, DI
53	INVOKE_SYSCALL
54	MOVL	AX, r1+16(FP)
55	MOVL	DX, r2+20(FP)
56	RET
57
58TEXT ·socketcall(SB),NOSPLIT,$0-36
59	JMP	syscall·socketcall(SB)
60
61TEXT ·rawsocketcall(SB),NOSPLIT,$0-36
62	JMP	syscall·rawsocketcall(SB)
63
64TEXT ·seek(SB),NOSPLIT,$0-28
65	JMP	syscall·seek(SB)
66