MOVW	$str-140(SP), R2
syscallok:
	MOVW	$err+24(FP), R1
	MOVM.IA	(R2), [R3-R4]
	MOVM.IA	[R3-R4], (R1)
	RET


//func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err ErrorString)
// Actually Syscall5 but the rest of the code expects it to be named Syscall6.
TEXT	·Syscall6(SB),NOSPLIT,$144-44
	NO_LOCAL_POINTERS
	BL		runtime·entersyscall(SB)
	MOVW	$a1+4(FP), R0	// move syscall args
	MOVW	$sysargs-144(SP), R1

//go:build dragonfly || freebsd || netbsd

#include "textflag.h"
#include "funcdata.h"

//
// System call support for AMD64 unixes
//

// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64)
// func Syscall6(trap int64, a1, a2, a3, a4, a5, a6 int64) (r1, r2, err int64)
// Trap # in AX, args in DI SI DX, return in AX DX

TEXT	·Syscall(SB),NOSPLIT,$0-56
	CALL	runtime·entersyscall<ABIInternal>(SB)

	"unsafe"
)

func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error {
	var p *byte
	p, err := syscall.BytePtrFromString(path)
	if err != nil {
		return err
	}

	_, _, errno := syscall.Syscall6(fstatatTrap, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
	if errno != 0 {
		return errno
	}

	return nil

package os

import (
	"syscall"
	"unsafe"
)

const _P_PID = 0

func wait6(idtype, id, options int) (status int, errno syscall.Errno) {
	var status32 int32 // C.int
	_, _, errno = syscall.Syscall6(syscall.SYS_WAIT6, uintptr(idtype), uintptr(id), uintptr(unsafe.Pointer(&status32)), uintptr(options), 0, 0)
	return int(status32), errno

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "textflag.h"

//
// System calls for aix/ppc64 are implemented in ../runtime/syscall_aix.go
//

TEXT ·syscall6(SB),NOSPLIT,$0
	JMP	runtime·syscall_syscall6(SB)

TEXT ·rawSyscall6(SB),NOSPLIT,$0
	JMP	runtime·syscall_rawSyscall6(SB)

TEXT ·RawSyscall(SB),NOSPLIT,$0
	JMP	runtime·syscall_RawSyscall(SB)

	// If successful, posix_fallocate() returns zero. It returns an error on failure, without
	// setting errno. See https://man.freebsd.org/cgi/man.cgi?query=posix_fallocate&sektion=2&n=1
	r1, _, _ := syscall.Syscall6(posixFallocateTrap, uintptr(fd), uintptr(off), uintptr(off>>32), uintptr(size), uintptr(size>>32), 0)
	if r1 != 0 {
		return syscall.Errno(r1)
	}
	return nil

//

// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.

TEXT	·Syscall(SB),NOSPLIT,$0-56
	JMP	syscall·Syscall(SB)

TEXT	·Syscall6(SB),NOSPLIT,$0-80
	JMP	syscall·Syscall6(SB)

TEXT	·Syscall9(SB),NOSPLIT,$0-104
	JMP	syscall·Syscall9(SB)

TEXT	·RawSyscall(SB),NOSPLIT,$0-56
	JMP	syscall·RawSyscall(SB)

TEXT	·RawSyscall6(SB),NOSPLIT,$0-80

//

// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.

TEXT	·Syscall(SB),NOSPLIT,$0-32
	JMP	syscall·Syscall(SB)

TEXT	·Syscall6(SB),NOSPLIT,$0-44
	JMP	syscall·Syscall6(SB)

TEXT ·RawSyscall(SB),NOSPLIT,$0-28
	JMP	syscall·RawSyscall(SB)

TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
	JMP	syscall·RawSyscall6(SB)

TEXT ·seek(SB),NOSPLIT,$0-36

// System call support for 386 BSD

// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.

TEXT	·Syscall(SB),NOSPLIT,$0-28
	JMP	syscall·Syscall(SB)

TEXT	·Syscall6(SB),NOSPLIT,$0-40
	JMP	syscall·Syscall6(SB)

TEXT	·Syscall9(SB),NOSPLIT,$0-52
	JMP	syscall·Syscall9(SB)

TEXT	·RawSyscall(SB),NOSPLIT,$0-28
	JMP	syscall·RawSyscall(SB)

TEXT	·RawSyscall6(SB),NOSPLIT,$0-40

	"syscall"
	"unsafe"
)

const (
	_CTL_KERN = 1

	_KERN_ARND = 81
)

func GetEntropy(p []byte) error {
	mib := [2]uint32{_CTL_KERN, _KERN_ARND}
	n := uintptr(len(p))
	_, _, errno := syscall.Syscall6(
		syscall.SYS___SYSCTL,
		uintptr(unsafe.Pointer(&mib[0])),
		uintptr(len(mib)),
		uintptr(unsafe.Pointer(&p[0])), // olddata
		uintptr(unsafe.Pointer(&n)),    // &oldlen
		uintptr(unsafe.Pointer(nil)),   // newdata