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 linux && (ppc64 || ppc64le)
  6// +build linux
  7// +build ppc64 ppc64le
  8
  9package unix
 10
 11//sys	dup2(oldfd int, newfd int) (err error)
 12//sysnb	EpollCreate(size int) (fd int, err error)
 13//sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 14//sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
 15//sys	Fchown(fd int, uid int, gid int) (err error)
 16//sys	Fstat(fd int, stat *Stat_t) (err error)
 17//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
 18//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 19//sys	Ftruncate(fd int, length int64) (err error)
 20//sysnb	Getegid() (egid int)
 21//sysnb	Geteuid() (euid int)
 22//sysnb	Getgid() (gid int)
 23//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error) = SYS_UGETRLIMIT
 24//sysnb	Getuid() (uid int)
 25//sysnb	InotifyInit() (fd int, err error)
 26//sys	Ioperm(from int, num int, on int) (err error)
 27//sys	Iopl(level int) (err error)
 28//sys	Lchown(path string, uid int, gid int) (err error)
 29//sys	Listen(s int, n int) (err error)
 30//sys	Lstat(path string, stat *Stat_t) (err error)
 31//sys	Pause() (err error)
 32//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 33//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 34//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 35//sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 36//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
 37//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
 38//sys	setfsgid(gid int) (prev int, err error)
 39//sys	setfsuid(uid int) (prev int, err error)
 40//sysnb	Setregid(rgid int, egid int) (err error)
 41//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
 42//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
 43//sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
 44//sysnb	Setreuid(ruid int, euid int) (err error)
 45//sys	Shutdown(fd int, how int) (err error)
 46//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
 47//sys	Stat(path string, stat *Stat_t) (err error)
 48//sys	Statfs(path string, buf *Statfs_t) (err error)
 49//sys	Truncate(path string, length int64) (err error)
 50//sys	Ustat(dev int, ubuf *Ustat_t) (err error)
 51//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 52//sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 53//sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 54//sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 55//sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
 56//sysnb	setgroups(n int, list *_Gid_t) (err error)
 57//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
 58//sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
 59//sysnb	socket(domain int, typ int, proto int) (fd int, err error)
 60//sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
 61//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
 62//sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
 63//sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
 64//sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
 65//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
 66//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
 67//sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
 68
 69//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
 70//sysnb	Gettimeofday(tv *Timeval) (err error)
 71//sysnb	Time(t *Time_t) (tt Time_t, err error)
 72//sys	Utime(path string, buf *Utimbuf) (err error)
 73//sys	utimes(path string, times *[2]Timeval) (err error)
 74
 75func setTimespec(sec, nsec int64) Timespec {
 76	return Timespec{Sec: sec, Nsec: nsec}
 77}
 78
 79func setTimeval(sec, usec int64) Timeval {
 80	return Timeval{Sec: sec, Usec: usec}
 81}
 82
 83func (r *PtraceRegs) PC() uint64 { return r.Nip }
 84
 85func (r *PtraceRegs) SetPC(pc uint64) { r.Nip = pc }
 86
 87func (iov *Iovec) SetLen(length int) {
 88	iov.Len = uint64(length)
 89}
 90
 91func (msghdr *Msghdr) SetControllen(length int) {
 92	msghdr.Controllen = uint64(length)
 93}
 94
 95func (msghdr *Msghdr) SetIovlen(length int) {
 96	msghdr.Iovlen = uint64(length)
 97}
 98
 99func (cmsg *Cmsghdr) SetLen(length int) {
100	cmsg.Len = uint64(length)
101}
102
103//sysnb	pipe(p *[2]_C_int) (err error)
104
105func Pipe(p []int) (err error) {
106	if len(p) != 2 {
107		return EINVAL
108	}
109	var pp [2]_C_int
110	err = pipe(&pp)
111	p[0] = int(pp[0])
112	p[1] = int(pp[1])
113	return
114}
115
116//sysnb	pipe2(p *[2]_C_int, flags int) (err error)
117
118func Pipe2(p []int, flags int) (err error) {
119	if len(p) != 2 {
120		return EINVAL
121	}
122	var pp [2]_C_int
123	err = pipe2(&pp, flags)
124	p[0] = int(pp[0])
125	p[1] = int(pp[1])
126	return
127}
128
129//sys	poll(fds *PollFd, nfds int, timeout int) (n int, err error)
130
131func Poll(fds []PollFd, timeout int) (n int, err error) {
132	if len(fds) == 0 {
133		return poll(nil, 0, timeout)
134	}
135	return poll(&fds[0], len(fds), timeout)
136}
137
138//sys	syncFileRange2(fd int, flags int, off int64, n int64) (err error) = SYS_SYNC_FILE_RANGE2
139
140func SyncFileRange(fd int, off int64, n int64, flags int) error {
141	// The sync_file_range and sync_file_range2 syscalls differ only in the
142	// order of their arguments.
143	return syncFileRange2(fd, flags, off, n)
144}
145
146//sys	kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
147
148func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
149	cmdlineLen := len(cmdline)
150	if cmdlineLen > 0 {
151		// Account for the additional NULL byte added by
152		// BytePtrFromString in kexecFileLoad. The kexec_file_load
153		// syscall expects a NULL-terminated string.
154		cmdlineLen++
155	}
156	return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
157}