Source file src/syscall/syscall_linux_mipsx.go
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 7 package syscall 8 9 import "unsafe" 10 11 const ( 12 _SYS_setgroups = SYS_SETGROUPS 13 _SYS_clone3 = 4435 14 _SYS_faccessat2 = 4439 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 //sys Fchown(fd int, uid int, gid int) (err error) 21 //sys fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64 22 //sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64 23 //sysnb Getegid() (egid int) 24 //sysnb Geteuid() (euid int) 25 //sysnb Getgid() (gid int) 26 //sysnb Getuid() (uid int) 27 //sys Lchown(path string, uid int, gid int) (err error) 28 //sys Listen(s int, n int) (err error) 29 //sys Pause() (err error) 30 //sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 31 //sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 32 //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) 33 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT 34 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 35 //sys Setfsgid(gid int) (err error) 36 //sys Setfsuid(uid 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 int, 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 Ustat(dev int, ubuf *Ustat_t) (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 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 48 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 49 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 50 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 51 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 52 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 53 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 54 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 55 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 56 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 57 58 //sysnb InotifyInit() (fd int, err error) 59 //sys Ioperm(from int, num int, on int) (err error) 60 //sys Iopl(level int) (err error) 61 62 //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) 63 //sysnb Gettimeofday(tv *Timeval) (err error) 64 //sysnb Time(t *Time_t) (tt Time_t, err error) 65 //sys Utime(path string, buf *Utimbuf) (err error) 66 //sys utimes(path string, times *[2]Timeval) (err error) 67 68 //sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 69 //sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 70 //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 71 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) 72 73 func Fstatfs(fd int, buf *Statfs_t) (err error) { 74 _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 75 if e != 0 { 76 err = errnoErr(e) 77 } 78 return 79 } 80 81 func Statfs(path string, buf *Statfs_t) (err error) { 82 p, err := BytePtrFromString(path) 83 if err != nil { 84 return err 85 } 86 _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 87 if e != 0 { 88 err = errnoErr(e) 89 } 90 return 91 } 92 93 func Seek(fd int, offset int64, whence int) (off int64, err error) { 94 _, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0) 95 if e != 0 { 96 err = errnoErr(e) 97 } 98 return 99 } 100 101 func setTimespec(sec, nsec int64) Timespec { 102 return Timespec{Sec: int32(sec), Nsec: int32(nsec)} 103 } 104 105 func setTimeval(sec, usec int64) Timeval { 106 return Timeval{Sec: int32(sec), Usec: int32(usec)} 107 } 108 109 //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) 110 111 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { 112 page := uintptr(offset / 4096) 113 if offset != int64(page)*4096 { 114 return 0, EINVAL 115 } 116 return mmap2(addr, length, prot, flags, fd, page) 117 } 118 119 const rlimInf32 = ^uint32(0) 120 const rlimInf64 = ^uint64(0) 121 122 type rlimit32 struct { 123 Cur uint32 124 Max uint32 125 } 126 127 //sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT 128 129 func Getrlimit(resource int, rlim *Rlimit) (err error) { 130 err = prlimit(0, resource, nil, rlim) 131 if err != ENOSYS { 132 return err 133 } 134 135 rl := rlimit32{} 136 err = getrlimit(resource, &rl) 137 if err != nil { 138 return 139 } 140 141 if rl.Cur == rlimInf32 { 142 rlim.Cur = rlimInf64 143 } else { 144 rlim.Cur = uint64(rl.Cur) 145 } 146 147 if rl.Max == rlimInf32 { 148 rlim.Max = rlimInf64 149 } else { 150 rlim.Max = uint64(rl.Max) 151 } 152 return 153 } 154 155 //sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT 156 157 func Setrlimit(resource int, rlim *Rlimit) (err error) { 158 err = prlimit(0, resource, rlim, nil) 159 if err != ENOSYS { 160 return err 161 } 162 163 rl := rlimit32{} 164 if rlim.Cur == rlimInf64 { 165 rl.Cur = rlimInf32 166 } else if rlim.Cur < uint64(rlimInf32) { 167 rl.Cur = uint32(rlim.Cur) 168 } else { 169 return EINVAL 170 } 171 if rlim.Max == rlimInf64 { 172 rl.Max = rlimInf32 173 } else if rlim.Max < uint64(rlimInf32) { 174 rl.Max = uint32(rlim.Max) 175 } else { 176 return EINVAL 177 } 178 179 return setrlimit(resource, &rl) 180 } 181 182 func (r *PtraceRegs) PC() uint64 { return uint64(r.Regs[64]) } 183 184 func (r *PtraceRegs) SetPC(pc uint64) { r.Regs[64] = uint32(pc) } 185 186 func (iov *Iovec) SetLen(length int) { 187 iov.Len = uint32(length) 188 } 189 190 func (msghdr *Msghdr) SetControllen(length int) { 191 msghdr.Controllen = uint32(length) 192 } 193 194 func (cmsg *Cmsghdr) SetLen(length int) { 195 cmsg.Len = uint32(length) 196 } 197