// Copyright 2014 The Go Authors. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

//go:build linux && (ppc64 || ppc64le)

#include "textflag.h"

//

// System calls for ppc64, Linux

//

// func rawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr)

TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-48

MOVD a1+8(FP), R3

MOVD a2+16(FP), R4

MOVD a3+24(FP), R5

MOVD R0, R6

MOVD R0, R7

MOVD R0, R8

MOVD trap+0(FP), R9 // syscall entry

SYSCALL R9

BVC ok

MOVD $-1, R4

MOVD R4, r1+32(FP) // r1

MOVD R3, err+40(FP) // errno

RET

ok:

MOVD R3, r1+32(FP) // r1

MOVD R0, err+40(FP) // errno

RET

TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48

MOVD a1+8(FP), R3

MOVD a2+16(FP), R4

MOVD a3+24(FP), R5

MOVD R0, R6

MOVD R0, R7

MOVD R0, R8

MOVD trap+0(FP), R9 // syscall entry

SYSCALL R9

MOVD R3, r1+32(FP)

MOVD R0, r2+40(FP)

RET