1// Copyright 2014 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 && (ppc64 || ppc64le)
6
7#include "textflag.h"
8
9//
10// System calls for ppc64, Linux
11//
12
13// func rawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr)
14TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-48
15	MOVD	a1+8(FP), R3
16	MOVD	a2+16(FP), R4
17	MOVD	a3+24(FP), R5
18	MOVD	R0, R6
19	MOVD	R0, R7
20	MOVD	R0, R8
21	MOVD	trap+0(FP), R9	// syscall entry
22	SYSCALL R9
23	BVC	ok
24	MOVD	$-1, R4
25	MOVD	R4, r1+32(FP)	// r1
26	MOVD	R3, err+40(FP)	// errno
27	RET
28ok:
29	MOVD	R3, r1+32(FP)	// r1
30	MOVD	R0, err+40(FP)	// errno
31	RET
32
33TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48
34	MOVD	a1+8(FP), R3
35	MOVD	a2+16(FP), R4
36	MOVD	a3+24(FP), R5
37	MOVD	R0, R6
38	MOVD	R0, R7
39	MOVD	R0, R8
40	MOVD	trap+0(FP), R9	// syscall entry
41	SYSCALL R9
42	MOVD	R3, r1+32(FP)
43	MOVD	R0, r2+40(FP)
44	RET
45