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// +build arm64,linux 6 7package unix 8 9//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT 10//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64 11//sys Fchown(fd int, uid int, gid int) (err error) 12//sys Fstat(fd int, stat *Stat_t) (err error) 13//sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) 14//sys Fstatfs(fd int, buf *Statfs_t) (err error) 15//sys Ftruncate(fd int, length int64) (err error) 16//sysnb Getegid() (egid int) 17//sysnb Geteuid() (euid int) 18//sysnb Getgid() (gid int) 19//sysnb Getrlimit(resource int, rlim *Rlimit) (err error) 20//sysnb Getuid() (uid int) 21//sys Listen(s int, n int) (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 26func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { 27 var ts *Timespec 28 if timeout != nil { 29 ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000} 30 } 31 return Pselect(nfd, r, w, e, ts, nil) 32} 33 34//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) 35//sys Setfsgid(gid int) (err error) 36//sys Setfsuid(uid int) (err error) 37//sysnb Setregid(rgid int, egid int) (err error) 38//sysnb Setresgid(rgid int, egid int, sgid int) (err error) 39//sysnb Setresuid(ruid int, euid int, suid int) (err error) 40//sysnb Setrlimit(resource int, rlim *Rlimit) (err error) 41//sysnb Setreuid(ruid int, euid 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 int64, err error) 44 45func Stat(path string, stat *Stat_t) (err error) { 46 return Fstatat(AT_FDCWD, path, stat, 0) 47} 48 49func Lchown(path string, uid int, gid int) (err error) { 50 return Fchownat(AT_FDCWD, path, uid, gid, AT_SYMLINK_NOFOLLOW) 51} 52 53func Lstat(path string, stat *Stat_t) (err error) { 54 return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW) 55} 56 57//sys Statfs(path string, buf *Statfs_t) (err error) 58//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) 59//sys Truncate(path string, length int64) (err error) 60//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) 61//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 62//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 63//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 64//sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 65//sysnb setgroups(n int, list *_Gid_t) (err error) 66//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 67//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 68//sysnb socket(domain int, typ int, proto int) (fd int, err error) 69//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 70//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 71//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 72//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 73//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 74//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 75//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 76//sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) 77 78//sysnb Gettimeofday(tv *Timeval) (err error) 79 80func setTimespec(sec, nsec int64) Timespec { 81 return Timespec{Sec: sec, Nsec: nsec} 82} 83 84func setTimeval(sec, usec int64) Timeval { 85 return Timeval{Sec: sec, Usec: usec} 86} 87 88func Time(t *Time_t) (Time_t, error) { 89 var tv Timeval 90 err := Gettimeofday(&tv) 91 if err != nil { 92 return 0, err 93 } 94 if t != nil { 95 *t = Time_t(tv.Sec) 96 } 97 return Time_t(tv.Sec), nil 98} 99 100func Utime(path string, buf *Utimbuf) error { 101 tv := []Timeval{ 102 {Sec: buf.Actime}, 103 {Sec: buf.Modtime}, 104 } 105 return Utimes(path, tv) 106} 107 108func Pipe(p []int) (err error) { 109 if len(p) != 2 { 110 return EINVAL 111 } 112 var pp [2]_C_int 113 err = pipe2(&pp, 0) 114 p[0] = int(pp[0]) 115 p[1] = int(pp[1]) 116 return 117} 118 119//sysnb pipe2(p *[2]_C_int, flags int) (err error) 120 121func Pipe2(p []int, flags int) (err error) { 122 if len(p) != 2 { 123 return EINVAL 124 } 125 var pp [2]_C_int 126 err = pipe2(&pp, flags) 127 p[0] = int(pp[0]) 128 p[1] = int(pp[1]) 129 return 130} 131 132func (r *PtraceRegs) PC() uint64 { return r.Pc } 133 134func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc } 135 136func (iov *Iovec) SetLen(length int) { 137 iov.Len = uint64(length) 138} 139 140func (msghdr *Msghdr) SetControllen(length int) { 141 msghdr.Controllen = uint64(length) 142} 143 144func (cmsg *Cmsghdr) SetLen(length int) { 145 cmsg.Len = uint64(length) 146} 147 148func InotifyInit() (fd int, err error) { 149 return InotifyInit1(0) 150} 151 152func Dup2(oldfd int, newfd int) (err error) { 153 return Dup3(oldfd, newfd, 0) 154} 155 156func Pause() (err error) { 157 _, _, e1 := Syscall6(SYS_PPOLL, 0, 0, 0, 0, 0, 0) 158 if e1 != 0 { 159 err = errnoErr(e1) 160 } 161 return 162} 163 164// TODO(dfc): constants that should be in zsysnum_linux_arm64.go, remove 165// these when the deprecated syscalls that the syscall package relies on 166// are removed. 167const ( 168 SYS_GETPGRP = 1060 169 SYS_UTIMES = 1037 170 SYS_FUTIMESAT = 1066 171 SYS_PAUSE = 1061 172 SYS_USTAT = 1070 173 SYS_UTIME = 1063 174 SYS_LCHOWN = 1032 175 SYS_TIME = 1062 176 SYS_EPOLL_CREATE = 1042 177 SYS_EPOLL_WAIT = 1069 178) 179 180func Poll(fds []PollFd, timeout int) (n int, err error) { 181 var ts *Timespec 182 if timeout >= 0 { 183 ts = new(Timespec) 184 *ts = NsecToTimespec(int64(timeout) * 1e6) 185 } 186 if len(fds) == 0 { 187 return ppoll(nil, 0, ts, nil) 188 } 189 return ppoll(&fds[0], len(fds), ts, nil) 190} 191