github.com/c12o16h1/go/src@v0.0.0-20200114212001-5a151c0f00ed/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 const ( 8 _SYS_dup = SYS_DUP2 9 _SYS_setgroups = SYS_SETGROUPS 10 ) 11 12 //sys Dup2(oldfd int, newfd int) (err error) 13 //sysnb EpollCreate(size int) (fd int, err error) 14 //sys Fchown(fd int, uid int, gid int) (err error) 15 //sys Fstat(fd int, stat *Stat_t) (err error) 16 //sys Fstatfs(fd int, buf *Statfs_t) (err error) 17 //sys Ftruncate(fd int, length int64) (err error) 18 //sysnb Getegid() (egid int) 19 //sysnb Geteuid() (euid int) 20 //sysnb Getgid() (gid int) 21 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) 22 //sysnb Getuid() (uid int) 23 //sysnb InotifyInit() (fd int, err error) 24 //sys Ioperm(from int, num int, on int) (err error) 25 //sys Iopl(level int) (err error) 26 //sys Listen(s int, n int) (err error) 27 //sys Pause() (err error) 28 //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 29 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 30 //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) 31 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK 32 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) 33 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) 34 //sys Setfsgid(gid int) (err error) 35 //sys Setfsuid(uid int) (err error) 36 //sysnb Setregid(rgid int, egid int) (err error) 37 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 38 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 39 //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) 40 //sysnb Setreuid(ruid int, euid int) (err error) 41 //sys Shutdown(fd int, how int) (err error) 42 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) 43 //sys Statfs(path string, buf *Statfs_t) (err error) 44 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) 45 //sys Truncate(path string, length int64) (err error) 46 //sys Ustat(dev int, ubuf *Ustat_t) (err error) 47 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, 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 //sys fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT 52 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 53 //sysnb setgroups(n int, list *_Gid_t) (err error) 54 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 55 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 56 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 57 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 58 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 59 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 60 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 61 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 62 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 63 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 64 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) 65 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) 66 67 func Stat(path string, stat *Stat_t) (err error) { 68 return fstatat(_AT_FDCWD, path, stat, 0) 69 } 70 71 func Lchown(path string, uid int, gid int) (err error) { 72 return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW) 73 } 74 75 func Lstat(path string, stat *Stat_t) (err error) { 76 return fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW) 77 } 78 79 //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) 80 81 //go:noescape 82 func gettimeofday(tv *Timeval) (err Errno) 83 84 func Gettimeofday(tv *Timeval) (err error) { 85 errno := gettimeofday(tv) 86 if errno != 0 { 87 return errno 88 } 89 return nil 90 } 91 92 func Time(t *Time_t) (tt Time_t, err error) { 93 var tv Timeval 94 errno := gettimeofday(&tv) 95 if errno != 0 { 96 return 0, errno 97 } 98 if t != nil { 99 *t = Time_t(tv.Sec) 100 } 101 return Time_t(tv.Sec), nil 102 } 103 104 //sys Utime(path string, buf *Utimbuf) (err error) 105 //sys utimes(path string, times *[2]Timeval) (err error) 106 107 func setTimespec(sec, nsec int64) Timespec { 108 return Timespec{Sec: sec, Nsec: nsec} 109 } 110 111 func setTimeval(sec, usec int64) Timeval { 112 return Timeval{Sec: sec, Usec: usec} 113 } 114 115 //sysnb pipe(p *[2]_C_int) (err error) 116 117 func Pipe(p []int) (err error) { 118 if len(p) != 2 { 119 return EINVAL 120 } 121 var pp [2]_C_int 122 err = pipe(&pp) 123 p[0] = int(pp[0]) 124 p[1] = int(pp[1]) 125 return 126 } 127 128 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 129 130 func Pipe2(p []int, flags int) (err error) { 131 if len(p) != 2 { 132 return EINVAL 133 } 134 var pp [2]_C_int 135 err = pipe2(&pp, flags) 136 p[0] = int(pp[0]) 137 p[1] = int(pp[1]) 138 return 139 } 140 141 func (r *PtraceRegs) PC() uint64 { return r.Rip } 142 143 func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc } 144 145 func (iov *Iovec) SetLen(length int) { 146 iov.Len = uint64(length) 147 } 148 149 func (msghdr *Msghdr) SetControllen(length int) { 150 msghdr.Controllen = uint64(length) 151 } 152 153 func (cmsg *Cmsghdr) SetLen(length int) { 154 cmsg.Len = uint64(length) 155 } 156 157 func rawVforkSyscall(trap, a1 uintptr) (r1 uintptr, err Errno)