1// Copyright 2016 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 s390x
6// +build linux
7// +build !gccgo
8
9#include "textflag.h"
10
11//
12// System calls for s390x, Linux
13//
14
15// Just jump to package syscall's implementation for all these functions.
16// The runtime may know about them.
17
18TEXT ·Syscall(SB),NOSPLIT,$0-56
19	BR	syscall·Syscall(SB)
20
21TEXT ·Syscall6(SB),NOSPLIT,$0-80
22	BR	syscall·Syscall6(SB)
23
24TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
25	BL	runtime·entersyscall(SB)
26	MOVD	a1+8(FP), R2
27	MOVD	a2+16(FP), R3
28	MOVD	a3+24(FP), R4
29	MOVD	$0, R5
30	MOVD	$0, R6
31	MOVD	$0, R7
32	MOVD	trap+0(FP), R1	// syscall entry
33	SYSCALL
34	MOVD	R2, r1+32(FP)
35	MOVD	R3, r2+40(FP)
36	BL	runtime·exitsyscall(SB)
37	RET
38
39TEXT ·RawSyscall(SB),NOSPLIT,$0-56
40	BR	syscall·RawSyscall(SB)
41
42TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
43	BR	syscall·RawSyscall6(SB)
44
45TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
46	MOVD	a1+8(FP), R2
47	MOVD	a2+16(FP), R3
48	MOVD	a3+24(FP), R4
49	MOVD	$0, R5
50	MOVD	$0, R6
51	MOVD	$0, R7
52	MOVD	trap+0(FP), R1	// syscall entry
53	SYSCALL
54	MOVD	R2, r1+32(FP)
55	MOVD	R3, r2+40(FP)
56	RET
57