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