MOVL	$73, AX
	SYSCALL
	JCC	2(PC)
	MOVL	$0xf1, 0xf1  // crash
	RET

TEXT runtime·madvise(SB),NOSPLIT,$0
	MOVQ	addr+0(FP), DI
	MOVQ	n+8(FP), SI
	MOVL	flags+16(FP), DX
	MOVQ	$75, AX	// madvise
	SYSCALL
	JCC	2(PC)
	MOVL	$-1, AX
	MOVL	AX, ret+24(FP)
	RET

TEXT runtime·sigaltstack(SB),NOSPLIT,$-8
	MOVQ	new+0(FP), DI
	MOVQ	old+8(FP), SI
	MOVQ	$53, AX
	SYSCALL
	JCC	2(PC)

TEXT runtime·munmap(SB),NOSPLIT|NOFRAME,$0
	MOV	addr+0(FP), A0
	MOV	n+8(FP), A1
	MOV	$SYS_munmap, T0
	ECALL
	BNE	T0, ZERO, fail
	RET
fail:
	WORD	$0	// crash

// func madvise(addr unsafe.Pointer, n uintptr, flags int32) int32
TEXT runtime·madvise(SB),NOSPLIT|NOFRAME,$0
	MOV	addr+0(FP), A0
	MOV	n+8(FP), A1
	MOVW	flags+16(FP), A2
	MOV	$SYS_madvise, T0
	ECALL
	BEQ	T0, ZERO, ok

TEXT runtime·munmap(SB),NOSPLIT|NOFRAME,$0
	MOVD	addr+0(FP), R0
	MOVD	n+8(FP), R1
	MOVD	$SYS_munmap, R8
	SVC
	BCS	fail
	RET
fail:
	MOVD	$0, R0
	MOVD	R0, (R0)	// crash

// func madvise(addr unsafe.Pointer, n uintptr, flags int32) int32
TEXT runtime·madvise(SB),NOSPLIT|NOFRAME,$0
	MOVD	addr+0(FP), R0
	MOVD	n+8(FP), R1
	MOVW	flags+16(FP), R2
	MOVD	$SYS_madvise, R8
	SVC
	BCC	ok

//sys	ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
//sys	Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
//sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE
//sys	Fchdir(fd int) (err error)
//sys	Fchflags(fd int, flags int) (err error)
//sys	Fchmod(fd int, mode uint32) (err error)

func Dup2(oldfd int, newfd int) (err error) {
	_, e1 := calldup2(oldfd, newfd)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
	_, e1 := callposix_fadvise64(fd, offset, length, advice)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
	_, _, e1 := Syscall6(SYS_FADVISE64, uintptr(fd), uintptr(offset), uintptr(length), uintptr(advice), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

TEXT runtime·munmap(SB),NOSPLIT|NOFRAME,$0
	MOV	addr+0(FP), A0
	MOV	n+8(FP), A1
	MOV	$SYS_munmap, A7
	ECALL
	MOV	$-4096, T0
	BLTU	A0, T0, 2(PC)
	WORD	$0	// crash
	RET

// func madvise(addr unsafe.Pointer, n uintptr, flags int32)
TEXT runtime·madvise(SB),NOSPLIT|NOFRAME,$0
	MOV	addr+0(FP), A0
	MOV	n+8(FP), A1
	MOVW	flags+16(FP), A2
	MOV	$SYS_madvise, A7
	ECALL
	MOVW	A0, ret+24(FP)
	RET

	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
	_, _, e1 := Syscall6(SYS_FADVISE64, uintptr(fd), uintptr(offset), uintptr(length), uintptr(advice), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
	_, _, e1 := Syscall6(SYS_FADVISE64_64, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(length), uintptr(length>>32), uintptr(advice))
	if e1 != 0 {

	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
	_, _, e1 := Syscall6(SYS_FADVISE64, uintptr(fd), uintptr(offset), uintptr(length), uintptr(advice), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}