github.com/c12o16h1/go/src@v0.0.0-20200114212001-5a151c0f00ed/syscall/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 syscall 9 10 import "unsafe" 11 12 const ( 13 _SYS_dup = SYS_DUP2 14 _SYS_setgroups = SYS_SETGROUPS 15 ) 16 17 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) 18 19 //sys Dup2(oldfd int, newfd int) (err error) 20 //sysnb EpollCreate(size int) (fd int, err error) 21 //sys Fchown(fd int, uid int, gid int) (err error) 22 //sys fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64 23 //sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64 24 //sysnb Getegid() (egid int) 25 //sysnb Geteuid() (euid int) 26 //sysnb Getgid() (gid int) 27 //sysnb Getuid() (uid int) 28 //sys Lchown(path string, uid int, gid int) (err error) 29 //sys Listen(s int, n int) (err error) 30 //sys Pause() (err error) 31 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 32 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 33 //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) 34 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT 35 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 36 //sys Setfsgid(gid int) (err error) 37 //sys Setfsuid(uid int) (err error) 38 //sysnb Setregid(rgid int, egid int) (err error) 39 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 40 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 41 42 //sysnb Setreuid(ruid int, euid int) (err error) 43 //sys Shutdown(fd int, how int) (err error) 44 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) 45 46 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) 47 //sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64 48 //sys Ustat(dev int, ubuf *Ustat_t) (err error) 49 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) 50 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 51 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 52 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 53 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 54 //sysnb setgroups(n int, list *_Gid_t) (err error) 55 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 56 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 57 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 58 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 59 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 60 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 61 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 62 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 63 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 64 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 65 66 //sysnb InotifyInit() (fd int, err error) 67 //sys Ioperm(from int, num int, on int) (err error) 68 //sys Iopl(level int) (err error) 69 70 //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) 71 //sysnb Gettimeofday(tv *Timeval) (err error) 72 //sysnb Time(t *Time_t) (tt Time_t, err error) 73 //sys Utime(path string, buf *Utimbuf) (err error) 74 //sys utimes(path string, times *[2]Timeval) (err error) 75 76 //sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 77 //sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 78 //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 79 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) 80 81 func Fstatfs(fd int, buf *Statfs_t) (err error) { 82 _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 83 if e != 0 { 84 err = errnoErr(e) 85 } 86 return 87 } 88 89 func Statfs(path string, buf *Statfs_t) (err error) { 90 p, err := BytePtrFromString(path) 91 if err != nil { 92 return err 93 } 94 _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 95 if e != 0 { 96 err = errnoErr(e) 97 } 98 return 99 } 100 101 func Seek(fd int, offset int64, whence int) (off int64, err error) { 102 _, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0) 103 if e != 0 { 104 err = errnoErr(e) 105 } 106 return 107 } 108 109 func setTimespec(sec, nsec int64) Timespec { 110 return Timespec{Sec: int32(sec), Nsec: int32(nsec)} 111 } 112 113 func setTimeval(sec, usec int64) Timeval { 114 return Timeval{Sec: int32(sec), Usec: int32(usec)} 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 //sysnb pipe() (p1 int, p2 int, err error) 131 132 func Pipe(p []int) (err error) { 133 if len(p) != 2 { 134 return EINVAL 135 } 136 p[0], p[1], err = pipe() 137 return 138 } 139 140 //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) 141 142 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { 143 page := uintptr(offset / 4096) 144 if offset != int64(page)*4096 { 145 return 0, EINVAL 146 } 147 return mmap2(addr, length, prot, flags, fd, page) 148 } 149 150 const rlimInf32 = ^uint32(0) 151 const rlimInf64 = ^uint64(0) 152 153 type rlimit32 struct { 154 Cur uint32 155 Max uint32 156 } 157 158 //sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT 159 160 func Getrlimit(resource int, rlim *Rlimit) (err error) { 161 err = prlimit(0, resource, nil, rlim) 162 if err != ENOSYS { 163 return err 164 } 165 166 rl := rlimit32{} 167 err = getrlimit(resource, &rl) 168 if err != nil { 169 return 170 } 171 172 if rl.Cur == rlimInf32 { 173 rlim.Cur = rlimInf64 174 } else { 175 rlim.Cur = uint64(rl.Cur) 176 } 177 178 if rl.Max == rlimInf32 { 179 rlim.Max = rlimInf64 180 } else { 181 rlim.Max = uint64(rl.Max) 182 } 183 return 184 } 185 186 //sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT 187 188 func Setrlimit(resource int, rlim *Rlimit) (err error) { 189 err = prlimit(0, resource, rlim, nil) 190 if err != ENOSYS { 191 return err 192 } 193 194 rl := rlimit32{} 195 if rlim.Cur == rlimInf64 { 196 rl.Cur = rlimInf32 197 } else if rlim.Cur < uint64(rlimInf32) { 198 rl.Cur = uint32(rlim.Cur) 199 } else { 200 return EINVAL 201 } 202 if rlim.Max == rlimInf64 { 203 rl.Max = rlimInf32 204 } else if rlim.Max < uint64(rlimInf32) { 205 rl.Max = uint32(rlim.Max) 206 } else { 207 return EINVAL 208 } 209 210 return setrlimit(resource, &rl) 211 } 212 213 func (r *PtraceRegs) PC() uint64 { return uint64(r.Regs[64]) } 214 215 func (r *PtraceRegs) SetPC(pc uint64) { r.Regs[64] = uint32(pc) } 216 217 func (iov *Iovec) SetLen(length int) { 218 iov.Len = uint32(length) 219 } 220 221 func (msghdr *Msghdr) SetControllen(length int) { 222 msghdr.Controllen = uint32(length) 223 } 224 225 func (cmsg *Cmsghdr) SetLen(length int) { 226 cmsg.Len = uint32(length) 227 } 228 229 func rawVforkSyscall(trap, a1 uintptr) (r1 uintptr, err Errno) { 230 panic("not implemented") 231 }