github.com/ccccaoqing/test@v0.0.0-20220510085219-3985d23445c0/src/syscall/syscall_linux_amd64.go (about)

     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  package syscall
     6  
     7  //sys	Chown(path string, uid int, gid int) (err error)
     8  //sys	Fchown(fd int, uid int, gid int) (err error)
     9  //sys	Fstat(fd int, stat *Stat_t) (err error)
    10  //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
    11  //sys	Ftruncate(fd int, length int64) (err error)
    12  //sysnb	Getegid() (egid int)
    13  //sysnb	Geteuid() (euid int)
    14  //sysnb	Getgid() (gid int)
    15  //sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
    16  //sysnb	Getuid() (uid int)
    17  //sys	Ioperm(from int, num int, on int) (err error)
    18  //sys	Iopl(level int) (err error)
    19  //sys	Lchown(path string, uid int, gid int) (err error)
    20  //sys	Listen(s int, n int) (err error)
    21  //sys	Lstat(path string, stat *Stat_t) (err error)
    22  //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
    23  //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
    24  //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
    25  //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
    26  //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
    27  //sys	Setfsgid(gid int) (err error)
    28  //sys	Setfsuid(uid int) (err error)
    29  //sysnb	Setregid(rgid int, egid int) (err error)
    30  //sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
    31  //sysnb	Setresuid(ruid int, euid int, suid int) (err error)
    32  //sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
    33  //sysnb	Setreuid(ruid int, euid int) (err error)
    34  //sys	Shutdown(fd int, how int) (err error)
    35  //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
    36  //sys	Stat(path string, stat *Stat_t) (err error)
    37  //sys	Statfs(path string, buf *Statfs_t) (err error)
    38  //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
    39  //sys	Truncate(path string, length int64) (err error)
    40  //sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
    41  //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
    42  //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
    43  //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
    44  //sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
    45  //sysnb	setgroups(n int, list *_Gid_t) (err error)
    46  //sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
    47  //sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
    48  //sysnb	socket(domain int, typ int, proto int) (fd int, err error)
    49  //sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
    50  //sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
    51  //sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
    52  //sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
    53  //sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
    54  //sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
    55  //sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
    56  //sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
    57  
    58  func Getpagesize() int { return 4096 }
    59  
    60  //go:noescape
    61  func gettimeofday(tv *Timeval) (err Errno)
    62  
    63  func Gettimeofday(tv *Timeval) (err error) {
    64  	errno := gettimeofday(tv)
    65  	if errno != 0 {
    66  		return errno
    67  	}
    68  	return nil
    69  }
    70  
    71  func Time(t *Time_t) (tt Time_t, err error) {
    72  	var tv Timeval
    73  	errno := gettimeofday(&tv)
    74  	if errno != 0 {
    75  		return 0, errno
    76  	}
    77  	if t != nil {
    78  		*t = Time_t(tv.Sec)
    79  	}
    80  	return Time_t(tv.Sec), nil
    81  }
    82  
    83  func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
    84  
    85  func NsecToTimespec(nsec int64) (ts Timespec) {
    86  	ts.Sec = nsec / 1e9
    87  	ts.Nsec = nsec % 1e9
    88  	return
    89  }
    90  
    91  func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }
    92  
    93  func NsecToTimeval(nsec int64) (tv Timeval) {
    94  	nsec += 999 // round up to microsecond
    95  	tv.Sec = nsec / 1e9
    96  	tv.Usec = nsec % 1e9 / 1e3
    97  	return
    98  }
    99  
   100  func (r *PtraceRegs) PC() uint64 { return r.Rip }
   101  
   102  func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc }
   103  
   104  func (iov *Iovec) SetLen(length int) {
   105  	iov.Len = uint64(length)
   106  }
   107  
   108  func (msghdr *Msghdr) SetControllen(length int) {
   109  	msghdr.Controllen = uint64(length)
   110  }
   111  
   112  func (cmsg *Cmsghdr) SetLen(length int) {
   113  	cmsg.Len = uint64(length)
   114  }