Elia Battiston | be9edc1 | 2022-03-09 11:35:58 +0100 | [diff] [blame^] | 1 | // Copyright 2009 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 386 && freebsd |
| 6 | // +build 386,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: int32(sec), Nsec: int32(nsec)} |
| 17 | } |
| 18 | |
| 19 | func setTimeval(sec, usec int64) Timeval { |
| 20 | return Timeval{Sec: int32(sec), Usec: int32(usec)} |
| 21 | } |
| 22 | |
| 23 | func SetKevent(k *Kevent_t, fd, mode, flags int) { |
| 24 | k.Ident = uint32(fd) |
| 25 | k.Filter = int16(mode) |
| 26 | k.Flags = uint16(flags) |
| 27 | } |
| 28 | |
| 29 | func (iov *Iovec) SetLen(length int) { |
| 30 | iov.Len = uint32(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((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 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 PtraceGetFsBase(pid int, fsbase *int64) (err error) { |
| 60 | return ptrace(PTRACE_GETFSBASE, pid, uintptr(unsafe.Pointer(fsbase)), 0) |
| 61 | } |
| 62 | |
| 63 | func PtraceIO(req int, pid int, addr uintptr, out []byte, countin int) (count int, err error) { |
| 64 | ioDesc := PtraceIoDesc{Op: int32(req), Offs: (*byte)(unsafe.Pointer(addr)), Addr: (*byte)(unsafe.Pointer(&out[0])), Len: uint32(countin)} |
| 65 | err = ptrace(PTRACE_IO, pid, uintptr(unsafe.Pointer(&ioDesc)), 0) |
| 66 | return int(ioDesc.Len), err |
| 67 | } |