// Copyright 2015 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.

#include "textflag.h"

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

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

MOVD a1+8(FP), R0

MOVD a2+16(FP), R1

MOVD a3+24(FP), R2

MOVD $0, R3

MOVD $0, R4

MOVD $0, R5

MOVD trap+0(FP), R8 // syscall entry

SVC

CMN $4095, R0

BCC ok

MOVD $-1, R4

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

NEG R0, R0

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

RET

ok:

MOVD R0, r1+32(FP) // r1

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

RET

// func rawSyscallNoError(trap uintptr, a1, a2, a3 uintptr) (r1, r2 uintptr);

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

MOVD a1+8(FP), R0

MOVD a2+16(FP), R1

MOVD a3+24(FP), R2

MOVD $0, R3

MOVD $0, R4

MOVD $0, R5

MOVD trap+0(FP), R8 // syscall entry

SVC

MOVD R0, r1+32(FP)

MOVD R1, r2+40(FP)

RET