github.com/c12o16h1/go/src@v0.0.0-20200114212001-5a151c0f00ed/syscall/syscall_linux_arm64.go (about) 1 // Copyright 2015 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 import "unsafe" 8 9 const ( 10 _SYS_dup = SYS_DUP3 11 _SYS_setgroups = SYS_SETGROUPS 12 ) 13 14 func EpollCreate(size int) (fd int, err error) { 15 if size <= 0 { 16 return -1, EINVAL 17 } 18 return EpollCreate1(0) 19 } 20 21 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT 22 //sys Fchown(fd int, uid int, gid int) (err error) 23 //sys Fstat(fd int, stat *Stat_t) (err error) 24 //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) 25 //sys fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) 26 //sys Fstatfs(fd int, buf *Statfs_t) (err error) 27 //sys Ftruncate(fd int, length int64) (err error) 28 //sysnb Getegid() (egid int) 29 //sysnb Geteuid() (euid int) 30 //sysnb Getgid() (gid int) 31 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) 32 //sysnb Getuid() (uid int) 33 //sys Listen(s int, n int) (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 Setregid(rgid int, egid int) (err error) 42 //sysnb Setresgid(rgid int, egid int, sgid int) (err error) 43 //sysnb Setresuid(ruid int, euid int, suid int) (err error) 44 //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) 45 //sysnb Setreuid(ruid int, euid int) (err error) 46 //sys Shutdown(fd int, how int) (err error) 47 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) 48 49 func Stat(path string, stat *Stat_t) (err error) { 50 return Fstatat(_AT_FDCWD, path, stat, 0) 51 } 52 53 func Lchown(path string, uid int, gid int) (err error) { 54 return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW) 55 } 56 57 func Lstat(path string, stat *Stat_t) (err error) { 58 return Fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW) 59 } 60 61 //sys Statfs(path string, buf *Statfs_t) (err error) 62 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) = SYS_SYNC_FILE_RANGE2 63 //sys Truncate(path string, length int64) (err error) 64 //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) 65 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 66 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 67 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 68 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 69 //sysnb setgroups(n int, list *_Gid_t) (err error) 70 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 71 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 72 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 73 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 74 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 75 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 76 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 77 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 78 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 79 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 80 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) 81 82 type sigset_t struct { 83 X__val [16]uint64 84 } 85 86 //sys pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *sigset_t) (n int, err error) = SYS_PSELECT6 87 88 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { 89 var ts *Timespec 90 if timeout != nil { 91 ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000} 92 } 93 return pselect(nfd, r, w, e, ts, nil) 94 } 95 96 //sysnb Gettimeofday(tv *Timeval) (err error) 97 98 func setTimespec(sec, nsec int64) Timespec { 99 return Timespec{Sec: sec, Nsec: nsec} 100 } 101 102 func setTimeval(sec, usec int64) Timeval { 103 return Timeval{Sec: sec, Usec: usec} 104 } 105 106 func futimesat(dirfd int, path string, tv *[2]Timeval) (err error) { 107 if tv == nil { 108 return utimensat(dirfd, path, nil, 0) 109 } 110 111 ts := []Timespec{ 112 NsecToTimespec(TimevalToNsec(tv[0])), 113 NsecToTimespec(TimevalToNsec(tv[1])), 114 } 115 return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) 116 } 117 118 func Time(t *Time_t) (Time_t, error) { 119 var tv Timeval 120 err := Gettimeofday(&tv) 121 if err != nil { 122 return 0, err 123 } 124 if t != nil { 125 *t = Time_t(tv.Sec) 126 } 127 return Time_t(tv.Sec), nil 128 } 129 130 func Utime(path string, buf *Utimbuf) error { 131 tv := []Timeval{ 132 {Sec: buf.Actime}, 133 {Sec: buf.Modtime}, 134 } 135 return Utimes(path, tv) 136 } 137 138 func utimes(path string, tv *[2]Timeval) (err error) { 139 if tv == nil { 140 return utimensat(_AT_FDCWD, path, nil, 0) 141 } 142 143 ts := []Timespec{ 144 NsecToTimespec(TimevalToNsec(tv[0])), 145 NsecToTimespec(TimevalToNsec(tv[1])), 146 } 147 return utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) 148 } 149 150 func Pipe(p []int) (err error) { 151 if len(p) != 2 { 152 return EINVAL 153 } 154 var pp [2]_C_int 155 err = pipe2(&pp, 0) 156 p[0] = int(pp[0]) 157 p[1] = int(pp[1]) 158 return 159 } 160 161 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 162 163 func Pipe2(p []int, flags int) (err error) { 164 if len(p) != 2 { 165 return EINVAL 166 } 167 var pp [2]_C_int 168 err = pipe2(&pp, flags) 169 p[0] = int(pp[0]) 170 p[1] = int(pp[1]) 171 return 172 } 173 174 func (r *PtraceRegs) PC() uint64 { return r.Pc } 175 176 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc } 177 178 func (iov *Iovec) SetLen(length int) { 179 iov.Len = uint64(length) 180 } 181 182 func (msghdr *Msghdr) SetControllen(length int) { 183 msghdr.Controllen = uint64(length) 184 } 185 186 func (cmsg *Cmsghdr) SetLen(length int) { 187 cmsg.Len = uint64(length) 188 } 189 190 func InotifyInit() (fd int, err error) { 191 return InotifyInit1(0) 192 } 193 194 //sys ppoll(fds *pollFd, nfds int, timeout *Timespec, sigmask *sigset_t) (n int, err error) 195 196 func Pause() error { 197 _, err := ppoll(nil, 0, nil, nil) 198 return err 199 } 200 201 func rawVforkSyscall(trap, a1 uintptr) (r1 uintptr, err Errno)