github.com/jgarto/itcv@v0.0.0-20180826224514-4eea09c1aa0d/_vendor/src/golang.org/x/sys/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 if e != 0 { 77 err = errnoErr(e) 78 } 79 return 80 } 81 82 func Statfs(path string, buf *Statfs_t) (err error) { 83 p, err := BytePtrFromString(path) 84 if err != nil { 85 return err 86 } 87 _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 88 if e != 0 { 89 err = errnoErr(e) 90 } 91 return 92 } 93 94 func Seek(fd int, offset int64, whence int) (off int64, err error) { 95 _, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0) 96 if e != 0 { 97 err = errnoErr(e) 98 } 99 return 100 } 101 102 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 103 104 func NsecToTimespec(nsec int64) (ts Timespec) { 105 ts.Sec = int32(nsec / 1e9) 106 ts.Nsec = int32(nsec % 1e9) 107 return 108 } 109 110 func NsecToTimeval(nsec int64) (tv Timeval) { 111 nsec += 999 // round up to microsecond 112 tv.Sec = int32(nsec / 1e9) 113 tv.Usec = int32(nsec % 1e9 / 1e3) 114 return 115 } 116 117 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 118 119 func Pipe2(p []int, flags int) (err error) { 120 if len(p) != 2 { 121 return EINVAL 122 } 123 var pp [2]_C_int 124 err = pipe2(&pp, flags) 125 p[0] = int(pp[0]) 126 p[1] = int(pp[1]) 127 return 128 } 129 130 func Pipe(p []int) (err error) { 131 if len(p) != 2 { 132 return EINVAL 133 } 134 var pp [2]_C_int 135 err = pipe2(&pp, 0) 136 p[0] = int(pp[0]) 137 p[1] = int(pp[1]) 138 return 139 } 140 141 //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) 142 143 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { 144 page := uintptr(offset / 4096) 145 if offset != int64(page)*4096 { 146 return 0, EINVAL 147 } 148 return mmap2(addr, length, prot, flags, fd, page) 149 } 150 151 const rlimInf32 = ^uint32(0) 152 const rlimInf64 = ^uint64(0) 153 154 type rlimit32 struct { 155 Cur uint32 156 Max uint32 157 } 158 159 //sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT 160 161 func Getrlimit(resource int, rlim *Rlimit) (err error) { 162 err = prlimit(0, resource, nil, rlim) 163 if err != ENOSYS { 164 return err 165 } 166 167 rl := rlimit32{} 168 err = getrlimit(resource, &rl) 169 if err != nil { 170 return 171 } 172 173 if rl.Cur == rlimInf32 { 174 rlim.Cur = rlimInf64 175 } else { 176 rlim.Cur = uint64(rl.Cur) 177 } 178 179 if rl.Max == rlimInf32 { 180 rlim.Max = rlimInf64 181 } else { 182 rlim.Max = uint64(rl.Max) 183 } 184 return 185 } 186 187 //sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT 188 189 func Setrlimit(resource int, rlim *Rlimit) (err error) { 190 err = prlimit(0, resource, rlim, nil) 191 if err != ENOSYS { 192 return err 193 } 194 195 rl := rlimit32{} 196 if rlim.Cur == rlimInf64 { 197 rl.Cur = rlimInf32 198 } else if rlim.Cur < uint64(rlimInf32) { 199 rl.Cur = uint32(rlim.Cur) 200 } else { 201 return EINVAL 202 } 203 if rlim.Max == rlimInf64 { 204 rl.Max = rlimInf32 205 } else if rlim.Max < uint64(rlimInf32) { 206 rl.Max = uint32(rlim.Max) 207 } else { 208 return EINVAL 209 } 210 211 return setrlimit(resource, &rl) 212 } 213 214 func (r *PtraceRegs) PC() uint64 { return uint64(r.Regs[64]) } 215 216 func (r *PtraceRegs) SetPC(pc uint64) { r.Regs[64] = uint32(pc) } 217 218 func (iov *Iovec) SetLen(length int) { 219 iov.Len = uint32(length) 220 } 221 222 func (msghdr *Msghdr) SetControllen(length int) { 223 msghdr.Controllen = uint32(length) 224 } 225 226 func (cmsg *Cmsghdr) SetLen(length int) { 227 cmsg.Len = uint32(length) 228 } 229 230 //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) 231 232 func Poll(fds []PollFd, timeout int) (n int, err error) { 233 if len(fds) == 0 { 234 return poll(nil, 0, timeout) 235 } 236 return poll(&fds[0], len(fds), timeout) 237 } 238 239 func Getpagesize() int { return 4096 }