github.com/juelite/golang.org-x-sys@v0.0.0-20181121071242-7b69e1c5db33/unix/syscall_linux_mipsx.go (about) 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 // +build linux 6 // +build mips mipsle 7 8 package unix 9 10 import ( 11 "syscall" 12 "unsafe" 13 ) 14 15 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) 16 17 //sys Dup2(oldfd int, newfd int) (err error) 18 //sys Fchown(fd int, uid int, gid int) (err error) 19 //sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64 20 //sysnb Getegid() (egid int) 21 //sysnb Geteuid() (euid int) 22 //sysnb Getgid() (gid int) 23 //sysnb Getuid() (uid int) 24 //sys Lchown(path string, uid int, gid int) (err error) 25 //sys Listen(s int, n int) (err error) 26 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 27 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 28 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT 29 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 30 //sys Setfsgid(gid int) (err error) 31 //sys Setfsuid(uid int) (err error) 32 //sysnb Setregid(rgid int, egid int) (err error) 33 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 34 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 35 36 //sysnb Setreuid(ruid int, euid int) (err error) 37 //sys Shutdown(fd int, how int) (err error) 38 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) 39 40 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) 41 //sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64 42 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) 43 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 44 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 45 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 46 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 47 //sysnb setgroups(n int, list *_Gid_t) (err error) 48 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 49 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 50 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 51 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 52 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 53 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 54 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 55 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 56 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 57 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 58 59 //sysnb InotifyInit() (fd int, err error) 60 //sys Ioperm(from int, num int, on int) (err error) 61 //sys Iopl(level int) (err error) 62 63 //sysnb Gettimeofday(tv *Timeval) (err error) 64 //sysnb Time(t *Time_t) (tt Time_t, err error) 65 66 //sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 67 //sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 68 //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 69 70 //sys Utime(path string, buf *Utimbuf) (err error) 71 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) 72 //sys Pause() (err error) 73 74 func Fstatfs(fd int, buf *Statfs_t) (err error) { 75 _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 76 use(unsafe.Pointer(buf)) 77 if e != 0 { 78 err = errnoErr(e) 79 } 80 return 81 } 82 83 func Statfs(path string, buf *Statfs_t) (err error) { 84 p, err := BytePtrFromString(path) 85 if err != nil { 86 return err 87 } 88 _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 89 use(unsafe.Pointer(p)) 90 if e != 0 { 91 err = errnoErr(e) 92 } 93 return 94 } 95 96 func Seek(fd int, offset int64, whence int) (off int64, err error) { 97 _, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0) 98 if e != 0 { 99 err = errnoErr(e) 100 } 101 return 102 } 103 104 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 105 106 func NsecToTimespec(nsec int64) (ts Timespec) { 107 ts.Sec = int32(nsec / 1e9) 108 ts.Nsec = int32(nsec % 1e9) 109 return 110 } 111 112 func NsecToTimeval(nsec int64) (tv Timeval) { 113 nsec += 999 // round up to microsecond 114 tv.Sec = int32(nsec / 1e9) 115 tv.Usec = int32(nsec % 1e9 / 1e3) 116 return 117 } 118 119 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 120 121 func Pipe2(p []int, flags int) (err error) { 122 if len(p) != 2 { 123 return EINVAL 124 } 125 var pp [2]_C_int 126 err = pipe2(&pp, flags) 127 p[0] = int(pp[0]) 128 p[1] = int(pp[1]) 129 return 130 } 131 132 func Pipe(p []int) (err error) { 133 if len(p) != 2 { 134 return EINVAL 135 } 136 var pp [2]_C_int 137 err = pipe2(&pp, 0) 138 p[0] = int(pp[0]) 139 p[1] = int(pp[1]) 140 return 141 } 142 143 //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) 144 145 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { 146 page := uintptr(offset / 4096) 147 if offset != int64(page)*4096 { 148 return 0, EINVAL 149 } 150 return mmap2(addr, length, prot, flags, fd, page) 151 } 152 153 const rlimInf32 = ^uint32(0) 154 const rlimInf64 = ^uint64(0) 155 156 type rlimit32 struct { 157 Cur uint32 158 Max uint32 159 } 160 161 //sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT 162 163 func Getrlimit(resource int, rlim *Rlimit) (err error) { 164 err = prlimit(0, resource, nil, rlim) 165 if err != ENOSYS { 166 return err 167 } 168 169 rl := rlimit32{} 170 err = getrlimit(resource, &rl) 171 if err != nil { 172 return 173 } 174 175 if rl.Cur == rlimInf32 { 176 rlim.Cur = rlimInf64 177 } else { 178 rlim.Cur = uint64(rl.Cur) 179 } 180 181 if rl.Max == rlimInf32 { 182 rlim.Max = rlimInf64 183 } else { 184 rlim.Max = uint64(rl.Max) 185 } 186 return 187 } 188 189 //sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT 190 191 func Setrlimit(resource int, rlim *Rlimit) (err error) { 192 err = prlimit(0, resource, rlim, nil) 193 if err != ENOSYS { 194 return err 195 } 196 197 rl := rlimit32{} 198 if rlim.Cur == rlimInf64 { 199 rl.Cur = rlimInf32 200 } else if rlim.Cur < uint64(rlimInf32) { 201 rl.Cur = uint32(rlim.Cur) 202 } else { 203 return EINVAL 204 } 205 if rlim.Max == rlimInf64 { 206 rl.Max = rlimInf32 207 } else if rlim.Max < uint64(rlimInf32) { 208 rl.Max = uint32(rlim.Max) 209 } else { 210 return EINVAL 211 } 212 213 return setrlimit(resource, &rl) 214 } 215 216 func (r *PtraceRegs) PC() uint64 { return uint64(r.Regs[64]) } 217 218 func (r *PtraceRegs) SetPC(pc uint64) { r.Regs[64] = uint32(pc) } 219 220 func (iov *Iovec) SetLen(length int) { 221 iov.Len = uint32(length) 222 } 223 224 func (msghdr *Msghdr) SetControllen(length int) { 225 msghdr.Controllen = uint32(length) 226 } 227 228 func (cmsg *Cmsghdr) SetLen(length int) { 229 cmsg.Len = uint32(length) 230 } 231 232 //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) 233 234 func Poll(fds []PollFd, timeout int) (n int, err error) { 235 if len(fds) == 0 { 236 return poll(nil, 0, timeout) 237 } 238 return poll(&fds[0], len(fds), timeout) 239 } 240 241 func Getpagesize() int { return 4096 }