go-sandbox/pkg/forkexec/vfork/asm_linux_mipsx.s
2025-02-22 20:04:15 +00:00

25 lines
595 B
ArmAsm

// Copyright 2009 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 && (mips || mipsle)
#include "textflag.h"
// func RawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr)
TEXT ·RawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-24
MOVW a1+4(FP), R4
MOVW a2+8(FP), R5
MOVW a3+12(FP), R6
MOVW trap+0(FP), R2 // syscall entry
SYSCALL
BEQ R7, ok
MOVW $-1, R1
MOVW R1, r1+16(FP) // r1
MOVW R2, err+20(FP) // errno
RET
ok:
MOVW R2, r1+16(FP) // r1
MOVW R0, err+20(FP) // errno
RET