github.com/Aayushi-Bansal/sys@v0.0.0-20180118120756-90d962a959d8/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 Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64 69 //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 70 71 //sys Utime(path string, buf *Utimbuf) (err error) 72 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) 73 //sys Pause() (err error) 74 75 func Fstatfs(fd int, buf *Statfs_t) (err error) { 76 _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(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 if e != 0 { 90 err = errnoErr(e) 91 } 92 return 93 } 94 95 func Seek(fd int, offset int64, whence int) (off int64, err error) { 96 _, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0) 97 if e != 0 { 98 err = errnoErr(e) 99 } 100 return 101 } 102 103 func setTimespec(sec, nsec int64) Timespec { 104 return Timespec{Sec: int32(sec), Nsec: int32(nsec)} 105 } 106 107 func setTimeval(sec, usec int64) Timeval { 108 return Timeval{Sec: int32(sec), Usec: int32(usec)} 109 } 110 111 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 112 113 func Pipe2(p []int, flags int) (err error) { 114 if len(p) != 2 { 115 return EINVAL 116 } 117 var pp [2]_C_int 118 err = pipe2(&pp, flags) 119 p[0] = int(pp[0]) 120 p[1] = int(pp[1]) 121 return 122 } 123 124 func Pipe(p []int) (err error) { 125 if len(p) != 2 { 126 return EINVAL 127 } 128 var pp [2]_C_int 129 err = pipe2(&pp, 0) 130 p[0] = int(pp[0]) 131 p[1] = int(pp[1]) 132 return 133 } 134 135 //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) 136 137 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { 138 page := uintptr(offset / 4096) 139 if offset != int64(page)*4096 { 140 return 0, EINVAL 141 } 142 return mmap2(addr, length, prot, flags, fd, page) 143 } 144 145 const rlimInf32 = ^uint32(0) 146 const rlimInf64 = ^uint64(0) 147 148 type rlimit32 struct { 149 Cur uint32 150 Max uint32 151 } 152 153 //sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT 154 155 func Getrlimit(resource int, rlim *Rlimit) (err error) { 156 err = prlimit(0, resource, nil, rlim) 157 if err != ENOSYS { 158 return err 159 } 160 161 rl := rlimit32{} 162 err = getrlimit(resource, &rl) 163 if err != nil { 164 return 165 } 166 167 if rl.Cur == rlimInf32 { 168 rlim.Cur = rlimInf64 169 } else { 170 rlim.Cur = uint64(rl.Cur) 171 } 172 173 if rl.Max == rlimInf32 { 174 rlim.Max = rlimInf64 175 } else { 176 rlim.Max = uint64(rl.Max) 177 } 178 return 179 } 180 181 //sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT 182 183 func Setrlimit(resource int, rlim *Rlimit) (err error) { 184 err = prlimit(0, resource, rlim, nil) 185 if err != ENOSYS { 186 return err 187 } 188 189 rl := rlimit32{} 190 if rlim.Cur == rlimInf64 { 191 rl.Cur = rlimInf32 192 } else if rlim.Cur < uint64(rlimInf32) { 193 rl.Cur = uint32(rlim.Cur) 194 } else { 195 return EINVAL 196 } 197 if rlim.Max == rlimInf64 { 198 rl.Max = rlimInf32 199 } else if rlim.Max < uint64(rlimInf32) { 200 rl.Max = uint32(rlim.Max) 201 } else { 202 return EINVAL 203 } 204 205 return setrlimit(resource, &rl) 206 } 207 208 func (r *PtraceRegs) PC() uint64 { return r.Epc } 209 210 func (r *PtraceRegs) SetPC(pc uint64) { r.Epc = pc } 211 212 func (iov *Iovec) SetLen(length int) { 213 iov.Len = uint32(length) 214 } 215 216 func (msghdr *Msghdr) SetControllen(length int) { 217 msghdr.Controllen = uint32(length) 218 } 219 220 func (cmsg *Cmsghdr) SetLen(length int) { 221 cmsg.Len = uint32(length) 222 } 223 224 //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) 225 226 func Poll(fds []PollFd, timeout int) (n int, err error) { 227 if len(fds) == 0 { 228 return poll(nil, 0, timeout) 229 } 230 return poll(&fds[0], len(fds), timeout) 231 }