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15c0b25d AP |
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 | ||
18 | TEXT ·Syscall(SB),NOSPLIT,$0-56 | |
19 | BR syscall·Syscall(SB) | |
20 | ||
21 | TEXT ·Syscall6(SB),NOSPLIT,$0-80 | |
22 | BR syscall·Syscall6(SB) | |
23 | ||
24 | TEXT ·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 | ||
39 | TEXT ·RawSyscall(SB),NOSPLIT,$0-56 | |
40 | BR syscall·RawSyscall(SB) | |
41 | ||
42 | TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 | |
43 | BR syscall·RawSyscall6(SB) | |
44 | ||
45 | TEXT ·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 |