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 386, Linux
12//
13
14// See ../runtime/sys_linux_386.s for the reason why we always use int 0x80
15// instead of the glibc-specific "CALL 0x10(GS)".
16#define INVOKE_SYSCALL	INT	$0x80
17
18// Just jump to package syscall's implementation for all these functions.
19// The runtime may know about them.
20
21TEXT ·Syscall(SB),NOSPLIT,$0-28
22	JMP	syscall·Syscall(SB)
23
24TEXT ·Syscall6(SB),NOSPLIT,$0-40
25	JMP	syscall·Syscall6(SB)
26
27TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
28	CALL	runtime·entersyscall(SB)
29	MOVL	trap+0(FP), AX  // syscall entry
30	MOVL	a1+4(FP), BX
31	MOVL	a2+8(FP), CX
32	MOVL	a3+12(FP), DX
33	MOVL	$0, SI
34	MOVL	$0, DI
35	INVOKE_SYSCALL
36	MOVL	AX, r1+16(FP)
37	MOVL	DX, r2+20(FP)
38	CALL	runtime·exitsyscall(SB)
39	RET
40
41TEXT ·RawSyscall(SB),NOSPLIT,$0-28
42	JMP	syscall·RawSyscall(SB)
43
44TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
45	JMP	syscall·RawSyscall6(SB)
46
47TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
48	MOVL	trap+0(FP), AX  // syscall entry
49	MOVL	a1+4(FP), BX
50	MOVL	a2+8(FP), CX
51	MOVL	a3+12(FP), DX
52	MOVL	$0, SI
53	MOVL	$0, DI
54	INVOKE_SYSCALL
55	MOVL	AX, r1+16(FP)
56	MOVL	DX, r2+20(FP)
57	RET
58
59TEXT ·socketcall(SB),NOSPLIT,$0-36
60	JMP	syscall·socketcall(SB)
61
62TEXT ·rawsocketcall(SB),NOSPLIT,$0-36
63	JMP	syscall·rawsocketcall(SB)
64
65TEXT ·seek(SB),NOSPLIT,$0-28
66	JMP	syscall·seek(SB)
67