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 && (mips64 || mips64le)
6
7package syscall
8
9import (
10	"unsafe"
11)
12
13const (
14	_SYS_setgroups  = SYS_SETGROUPS
15	_SYS_clone3     = 5435
16	_SYS_faccessat2 = 5439
17	_SYS_fchmodat2  = 5452
18)
19
20//sys	Dup2(oldfd int, newfd int) (err error)
21//sys	Fchown(fd int, uid int, gid int) (err error)
22//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
23//sys	fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
24//sys	Ftruncate(fd int, length int64) (err error)
25//sysnb	Getegid() (egid int)
26//sysnb	Geteuid() (euid int)
27//sysnb	Getgid() (gid int)
28//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
29//sysnb	Getuid() (uid int)
30//sysnb	InotifyInit() (fd int, err error)
31//sys	Lchown(path string, uid int, gid int) (err error)
32//sys	Listen(s int, n int) (err error)
33//sys	Pause() (err error)
34//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
35//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
36//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
37//sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
38//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
39//sys	Setfsgid(gid int) (err error)
40//sys	Setfsuid(uid int) (err error)
41//sysnb	setrlimit(resource int, rlim *Rlimit) (err error) = SYS_SETRLIMIT
42//sys	Shutdown(fd int, how int) (err error)
43//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
44//sys	Statfs(path string, buf *Statfs_t) (err error)
45//sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
46//sys	Truncate(path string, length int64) (err error)
47//sys	Ustat(dev int, ubuf *Ustat_t) (err error)
48//sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
49//sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
50//sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
51//sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
52//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
53//sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
54//sysnb	socket(domain int, typ int, proto int) (fd int, err error)
55//sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
56//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
57//sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
58//sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
59//sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
60//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
61//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
62//sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
63//sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
64
65type sigset_t struct {
66	X__val [16]uint64
67}
68
69//sys	pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *sigset_t) (n int, err error) = SYS_PSELECT6
70
71func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
72	var ts *Timespec
73	if timeout != nil {
74		ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
75	}
76	return pselect(nfd, r, w, e, ts, nil)
77}
78
79//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
80//sysnb	Gettimeofday(tv *Timeval) (err error)
81
82func Time(t *Time_t) (tt Time_t, err error) {
83	var tv Timeval
84	err = Gettimeofday(&tv)
85	if err != nil {
86		return 0, err
87	}
88	if t != nil {
89		*t = Time_t(tv.Sec)
90	}
91	return Time_t(tv.Sec), nil
92}
93
94//sys	Utime(path string, buf *Utimbuf) (err error)
95//sys	utimes(path string, times *[2]Timeval) (err error)
96
97//go:nosplit
98func rawSetrlimit(resource int, rlim *Rlimit) Errno {
99	_, _, errno := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
100	return errno
101}
102
103func setTimespec(sec, nsec int64) Timespec {
104	return Timespec{Sec: sec, Nsec: nsec}
105}
106
107func setTimeval(sec, usec int64) Timeval {
108	return Timeval{Sec: sec, Usec: usec}
109}
110
111func Ioperm(from int, num int, on int) (err error) {
112	return ENOSYS
113}
114
115func Iopl(level int) (err error) {
116	return ENOSYS
117}
118
119type stat_t struct {
120	Dev        uint32
121	Pad0       [3]int32
122	Ino        uint64
123	Mode       uint32
124	Nlink      uint32
125	Uid        uint32
126	Gid        uint32
127	Rdev       uint32
128	Pad1       [3]uint32
129	Size       int64
130	Atime      uint32
131	Atime_nsec uint32
132	Mtime      uint32
133	Mtime_nsec uint32
134	Ctime      uint32
135	Ctime_nsec uint32
136	Blksize    uint32
137	Pad2       uint32
138	Blocks     int64
139}
140
141//sys	fstat(fd int, st *stat_t) (err error)
142//sys	lstat(path string, st *stat_t) (err error)
143//sys	stat(path string, st *stat_t) (err error)
144
145func Fstat(fd int, s *Stat_t) (err error) {
146	st := &stat_t{}
147	err = fstat(fd, st)
148	fillStat_t(s, st)
149	return
150}
151
152func Lstat(path string, s *Stat_t) (err error) {
153	st := &stat_t{}
154	err = lstat(path, st)
155	fillStat_t(s, st)
156	return
157}
158
159func Stat(path string, s *Stat_t) (err error) {
160	st := &stat_t{}
161	err = stat(path, st)
162	fillStat_t(s, st)
163	return
164}
165
166func fillStat_t(s *Stat_t, st *stat_t) {
167	s.Dev = st.Dev
168	s.Ino = st.Ino
169	s.Mode = st.Mode
170	s.Nlink = st.Nlink
171	s.Uid = st.Uid
172	s.Gid = st.Gid
173	s.Rdev = st.Rdev
174	s.Size = st.Size
175	s.Atim = Timespec{int64(st.Atime), int64(st.Atime_nsec)}
176	s.Mtim = Timespec{int64(st.Mtime), int64(st.Mtime_nsec)}
177	s.Ctim = Timespec{int64(st.Ctime), int64(st.Ctime_nsec)}
178	s.Blksize = st.Blksize
179	s.Blocks = st.Blocks
180}
181
182func (r *PtraceRegs) PC() uint64 { return r.Regs[64] }
183
184func (r *PtraceRegs) SetPC(pc uint64) { r.Regs[64] = pc }
185
186func (iov *Iovec) SetLen(length int) {
187	iov.Len = uint64(length)
188}
189
190func (msghdr *Msghdr) SetControllen(length int) {
191	msghdr.Controllen = uint64(length)
192}
193
194func (cmsg *Cmsghdr) SetLen(length int) {
195	cmsg.Len = uint64(length)
196}
197