syscall_linux_mips64x.go

     1  // Copyright 2009 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 && (mips64 || mips64le)
     6  
     7  package syscall
     8  
     9  import (
    10  	"unsafe"
    11  )
    12  
    13  const (
    14  	_SYS_setgroups  = SYS_SETGROUPS
    15  	_SYS_clone3     = 5435
    16  	_SYS_faccessat2 = 5439
    17  	_SYS_fchmodat2  = 5452
    18  )
    19  
    20  //sys	Dup2(oldfd int, newfd int) (err error)
    21  //sys	Fchown(fd int, uid int, gid int) (err error)
    22  //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
    23  //sys	fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
    24  //sys	Ftruncate(fd int, length int64) (err error)
    25  //sysnb	Getegid() (egid int)
    26  //sysnb	Geteuid() (euid int)
    27  //sysnb	Getgid() (gid int)
    28  //sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
    29  //sysnb	Getuid() (uid int)
    30  //sysnb	InotifyInit() (fd int, err error)
    31  //sys	Lchown(path string, uid int, gid int) (err error)
    32  //sys	Listen(s int, n int) (err error)
    33  //sys	Pause() (err error)
    34  //sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
    35  //sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
    36  //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
    37  //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
    38  //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
    39  //sys	Setfsgid(gid int) (err error)
    40  //sys	Setfsuid(uid int) (err error)
    41  //sysnb	setrlimit(resource int, rlim *Rlimit) (err error) = SYS_SETRLIMIT
    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 int64, err error)
    44  //sys	Statfs(path string, buf *Statfs_t) (err error)
    45  //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
    46  //sys	Truncate(path string, length int64) (err error)
    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  //sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
    63  //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
    64  
    65  type sigset_t struct {
    66  	X__val [16]uint64
    67  }
    68  
    69  //sys	pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *sigset_t) (n int, err error) = SYS_PSELECT6
    70  
    71  func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
    72  	var ts *Timespec
    73  	if timeout != nil {
    74  		ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
    75  	}
    76  	return pselect(nfd, r, w, e, ts, nil)
    77  }
    78  
    79  //sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
    80  //sysnb	Gettimeofday(tv *Timeval) (err error)
    81  
    82  func Time(t *Time_t) (tt Time_t, err error) {
    83  	var tv Timeval
    84  	err = Gettimeofday(&tv)
    85  	if err != nil {
    86  		return 0, err
    87  	}
    88  	if t != nil {
    89  		*t = Time_t(tv.Sec)
    90  	}
    91  	return Time_t(tv.Sec), nil
    92  }
    93  
    94  //sys	Utime(path string, buf *Utimbuf) (err error)
    95  //sys	utimes(path string, times *[2]Timeval) (err error)
    96  
    97  //go:nosplit
    98  func rawSetrlimit(resource int, rlim *Rlimit) Errno {
    99  	_, _, errno := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
   100  	return errno
   101  }
   102  
   103  func setTimespec(sec, nsec int64) Timespec {
   104  	return Timespec{Sec: sec, Nsec: nsec}
   105  }
   106  
   107  func setTimeval(sec, usec int64) Timeval {
   108  	return Timeval{Sec: sec, Usec: usec}
   109  }
   110  
   111  func Ioperm(from int, num int, on int) (err error) {
   112  	return ENOSYS
   113  }
   114  
   115  func Iopl(level int) (err error) {
   116  	return ENOSYS
   117  }
   118  
   119  type stat_t struct {
   120  	Dev        uint32
   121  	Pad0       [3]int32
   122  	Ino        uint64
   123  	Mode       uint32
   124  	Nlink      uint32
   125  	Uid        uint32
   126  	Gid        uint32
   127  	Rdev       uint32
   128  	Pad1       [3]uint32
   129  	Size       int64
   130  	Atime      uint32
   131  	Atime_nsec uint32
   132  	Mtime      uint32
   133  	Mtime_nsec uint32
   134  	Ctime      uint32
   135  	Ctime_nsec uint32
   136  	Blksize    uint32
   137  	Pad2       uint32
   138  	Blocks     int64
   139  }
   140  
   141  //sys	fstat(fd int, st *stat_t) (err error)
   142  //sys	lstat(path string, st *stat_t) (err error)
   143  //sys	stat(path string, st *stat_t) (err error)
   144  
   145  func Fstat(fd int, s *Stat_t) (err error) {
   146  	st := &stat_t{}
   147  	err = fstat(fd, st)
   148  	fillStat_t(s, st)
   149  	return
   150  }
   151  
   152  func Lstat(path string, s *Stat_t) (err error) {
   153  	st := &stat_t{}
   154  	err = lstat(path, st)
   155  	fillStat_t(s, st)
   156  	return
   157  }
   158  
   159  func Stat(path string, s *Stat_t) (err error) {
   160  	st := &stat_t{}
   161  	err = stat(path, st)
   162  	fillStat_t(s, st)
   163  	return
   164  }
   165  
   166  func fillStat_t(s *Stat_t, st *stat_t) {
   167  	s.Dev = st.Dev
   168  	s.Ino = st.Ino
   169  	s.Mode = st.Mode
   170  	s.Nlink = st.Nlink
   171  	s.Uid = st.Uid
   172  	s.Gid = st.Gid
   173  	s.Rdev = st.Rdev
   174  	s.Size = st.Size
   175  	s.Atim = Timespec{int64(st.Atime), int64(st.Atime_nsec)}
   176  	s.Mtim = Timespec{int64(st.Mtime), int64(st.Mtime_nsec)}
   177  	s.Ctim = Timespec{int64(st.Ctime), int64(st.Ctime_nsec)}
   178  	s.Blksize = st.Blksize
   179  	s.Blocks = st.Blocks
   180  }
   181  
   182  func (r *PtraceRegs) PC() uint64 { return r.Regs[64] }
   183  
   184  func (r *PtraceRegs) SetPC(pc uint64) { r.Regs[64] = pc }
   185  
   186  func (iov *Iovec) SetLen(length int) {
   187  	iov.Len = uint64(length)
   188  }
   189  
   190  func (msghdr *Msghdr) SetControllen(length int) {
   191  	msghdr.Controllen = uint64(length)
   192  }
   193  
   194  func (cmsg *Cmsghdr) SetLen(length int) {
   195  	cmsg.Len = uint64(length)
   196  }
   197
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