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 _SYS_fchmodat2 = 4452 16 ) 17 18 // Syscall9 is accessed via assembly in x/sys/unix. 19 // 20 //go:linkname Syscall9 21 22 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) 23 24 //sys Dup2(oldfd int, newfd int) (err error) 25 //sys Fchown(fd int, uid int, gid int) (err error) 26 //sys fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64 27 //sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64 28 //sysnb Getegid() (egid int) 29 //sysnb Geteuid() (euid int) 30 //sysnb Getgid() (gid int) 31 //sysnb Getuid() (uid int) 32 //sys Lchown(path string, uid int, gid int) (err error) 33 //sys Listen(s int, n int) (err error) 34 //sys Pause() (err error) 35 //sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 36 //sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 37 //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) 38 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT 39 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 40 //sys Setfsgid(gid int) (err error) 41 //sys Setfsuid(uid int) (err error) 42 //sys Shutdown(fd int, how int) (err error) 43 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) 44 45 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) 46 //sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64 47 //sys Ustat(dev int, ubuf *Ustat_t) (err error) 48 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 49 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 50 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 51 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 52 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 53 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 54 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 55 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 56 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 57 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 58 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 59 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 60 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 61 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 62 63 //sysnb InotifyInit() (fd int, err error) 64 //sys Ioperm(from int, num int, on int) (err error) 65 //sys Iopl(level int) (err error) 66 67 //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) 68 //sysnb Gettimeofday(tv *Timeval) (err error) 69 //sysnb Time(t *Time_t) (tt Time_t, err error) 70 //sys Utime(path string, buf *Utimbuf) (err error) 71 //sys utimes(path string, times *[2]Timeval) (err error) 72 73 //sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 74 //sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 75 //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 76 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) 77 78 func Fstatfs(fd int, buf *Statfs_t) (err error) { 79 _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 80 if e != 0 { 81 err = errnoErr(e) 82 } 83 return 84 } 85 86 func Statfs(path string, buf *Statfs_t) (err error) { 87 p, err := BytePtrFromString(path) 88 if err != nil { 89 return err 90 } 91 _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 92 if e != 0 { 93 err = errnoErr(e) 94 } 95 return 96 } 97 98 func Seek(fd int, offset int64, whence int) (off int64, err error) { 99 _, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0) 100 if e != 0 { 101 err = errnoErr(e) 102 } 103 return 104 } 105 106 func setTimespec(sec, nsec int64) Timespec { 107 return Timespec{Sec: int32(sec), Nsec: int32(nsec)} 108 } 109 110 func setTimeval(sec, usec int64) Timeval { 111 return Timeval{Sec: int32(sec), Usec: int32(usec)} 112 } 113 114 //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) 115 116 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { 117 page := uintptr(offset / 4096) 118 if offset != int64(page)*4096 { 119 return 0, EINVAL 120 } 121 return mmap2(addr, length, prot, flags, fd, page) 122 } 123 124 func (r *PtraceRegs) PC() uint64 { return uint64(r.Regs[64]) } 125 126 func (r *PtraceRegs) SetPC(pc uint64) { r.Regs[64] = uint32(pc) } 127 128 func (iov *Iovec) SetLen(length int) { 129 iov.Len = uint32(length) 130 } 131 132 func (msghdr *Msghdr) SetControllen(length int) { 133 msghdr.Controllen = uint32(length) 134 } 135 136 func (cmsg *Cmsghdr) SetLen(length int) { 137 cmsg.Len = uint32(length) 138 } 139