usb-ks

USB Killswitch
git clone git://git.laack.co/usb-ks.git
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syscall_freebsd_arm64.go (1632B)

      1 // Copyright 2018 The Go Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style
      3 // license that can be found in the LICENSE file.
      4 
      5 //go:build arm64 && freebsd
      6 // +build arm64,freebsd
      7 
      8 package unix
      9 
     10 import (
     11 	"syscall"
     12 	"unsafe"
     13 )
     14 
     15 func setTimespec(sec, nsec int64) Timespec {
     16 	return Timespec{Sec: sec, Nsec: nsec}
     17 }
     18 
     19 func setTimeval(sec, usec int64) Timeval {
     20 	return Timeval{Sec: sec, Usec: usec}
     21 }
     22 
     23 func SetKevent(k *Kevent_t, fd, mode, flags int) {
     24 	k.Ident = uint64(fd)
     25 	k.Filter = int16(mode)
     26 	k.Flags = uint16(flags)
     27 }
     28 
     29 func (iov *Iovec) SetLen(length int) {
     30 	iov.Len = uint64(length)
     31 }
     32 
     33 func (msghdr *Msghdr) SetControllen(length int) {
     34 	msghdr.Controllen = uint32(length)
     35 }
     36 
     37 func (msghdr *Msghdr) SetIovlen(length int) {
     38 	msghdr.Iovlen = int32(length)
     39 }
     40 
     41 func (cmsg *Cmsghdr) SetLen(length int) {
     42 	cmsg.Len = uint32(length)
     43 }
     44 
     45 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
     46 	var writtenOut uint64 = 0
     47 	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0, 0)
     48 
     49 	written = int(writtenOut)
     50 
     51 	if e1 != 0 {
     52 		err = e1
     53 	}
     54 	return
     55 }
     56 
     57 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
     58 
     59 func PtraceIO(req int, pid int, addr uintptr, out []byte, countin int) (count int, err error) {
     60 	ioDesc := PtraceIoDesc{Op: int32(req), Offs: (*byte)(unsafe.Pointer(addr)), Addr: (*byte)(unsafe.Pointer(&out[0])), Len: uint64(countin)}
     61 	err = ptrace(PTRACE_IO, pid, uintptr(unsafe.Pointer(&ioDesc)), 0)
     62 	return int(ioDesc.Len), err
     63 }