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 路Syscall(SB),NOSPLIT,$0-56
17 BR syscall路Syscall(SB)
18
19TEXT 路Syscall6(SB),NOSPLIT,$0-80
20 BR syscall路Syscall6(SB)
21
22TEXT 路SyscallNoError(SB),NOSPLIT,$0-48
23 BL runtime路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路exitsyscall(SB)
35 RET
36
37TEXT 路RawSyscall(SB),NOSPLIT,$0-56
38 BR syscall路RawSyscall(SB)
39
40TEXT 路RawSyscall6(SB),NOSPLIT,$0-80
41 BR syscall路RawSyscall6(SB)
42
43TEXT 路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