1// Copyright 2016 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 && (mips || mipsle)
6// +build linux
7// +build mips mipsle
8
9package unix
10
11import (
12 "syscall"
13 "unsafe"
14)
15
16func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
17
18//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
19//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
20//sys Fchown(fd int, uid int, gid int) (err error)
21//sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64
22//sysnb Getegid() (egid int)
23//sysnb Geteuid() (euid int)
24//sysnb Getgid() (gid int)
25//sysnb Getuid() (uid int)
26//sys Lchown(path string, uid int, gid int) (err error)
27//sys Listen(s int, n int) (err error)
28//sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
29//sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
30//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
31//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
32//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
33//sys setfsgid(gid int) (prev int, err error)
34//sys setfsuid(uid int) (prev int, err error)
35//sys Shutdown(fd int, how int) (err error)
36//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
37//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
38//sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64
39//sys Ustat(dev int, ubuf *Ustat_t) (err error)
40//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
41//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
42//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
43//sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
44//sysnb setgroups(n int, list *_Gid_t) (err error)
45//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
46//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
47//sysnb socket(domain int, typ int, proto int) (fd int, err error)
48//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
49//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
50//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
51//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
52//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
53//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
54//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
55
56//sys Ioperm(from int, num int, on int) (err error)
57//sys Iopl(level int) (err error)
58
59//sys futimesat(dirfd int, path string, times *[2]Timeval) (err error)
60//sysnb Gettimeofday(tv *Timeval) (err error)
61//sysnb Time(t *Time_t) (tt Time_t, err error)
62//sys Utime(path string, buf *Utimbuf) (err error)
63//sys utimes(path string, times *[2]Timeval) (err error)
64
65//sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
66//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
67//sys Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
68//sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
69
70//sys Pause() (err error)
71
72func Fstatfs(fd int, buf *Statfs_t) (err error) {
73 _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
74 if e != 0 {
75 err = errnoErr(e)
76 }
77 return
78}
79
80func Statfs(path string, buf *Statfs_t) (err error) {
81 p, err := BytePtrFromString(path)
82 if err != nil {
83 return err
84 }
85 _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
86 if e != 0 {
87 err = errnoErr(e)
88 }
89 return
90}
91
92func Seek(fd int, offset int64, whence int) (off int64, err error) {
93 _, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0)
94 if e != 0 {
95 err = errnoErr(e)
96 }
97 return
98}
99
100func setTimespec(sec, nsec int64) Timespec {
101 return Timespec{Sec: int32(sec), Nsec: int32(nsec)}
102}
103
104func setTimeval(sec, usec int64) Timeval {
105 return Timeval{Sec: int32(sec), Usec: int32(usec)}
106}
107
108//sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error)
109
110func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) {
111 page := uintptr(offset / 4096)
112 if offset != int64(page)*4096 {
113 return 0, EINVAL
114 }
115 return mmap2(addr, length, prot, flags, fd, page)
116}
117
118const rlimInf32 = ^uint32(0)
119const rlimInf64 = ^uint64(0)
120
121type rlimit32 struct {
122 Cur uint32
123 Max uint32
124}
125
126//sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT
127
128func Getrlimit(resource int, rlim *Rlimit) (err error) {
129 err = Prlimit(0, resource, nil, rlim)
130 if err != ENOSYS {
131 return err
132 }
133
134 rl := rlimit32{}
135 err = getrlimit(resource, &rl)
136 if err != nil {
137 return
138 }
139
140 if rl.Cur == rlimInf32 {
141 rlim.Cur = rlimInf64
142 } else {
143 rlim.Cur = uint64(rl.Cur)
144 }
145
146 if rl.Max == rlimInf32 {
147 rlim.Max = rlimInf64
148 } else {
149 rlim.Max = uint64(rl.Max)
150 }
151 return
152}
153
154func (r *PtraceRegs) PC() uint64 { return r.Epc }
155
156func (r *PtraceRegs) SetPC(pc uint64) { r.Epc = pc }
157
158func (iov *Iovec) SetLen(length int) {
159 iov.Len = uint32(length)
160}
161
162func (msghdr *Msghdr) SetControllen(length int) {
163 msghdr.Controllen = uint32(length)
164}
165
166func (msghdr *Msghdr) SetIovlen(length int) {
167 msghdr.Iovlen = uint32(length)
168}
169
170func (cmsg *Cmsghdr) SetLen(length int) {
171 cmsg.Len = uint32(length)
172}
173
174func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) {
175 rsa.Service_name_len = uint32(length)
176}