github.com/dorkamotorka/go/src@v0.0.0-20230614113921-187095f0e316/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_setgroups = SYS_SETGROUPS 11 _SYS_clone3 = 435 12 _SYS_faccessat2 = 439 13 ) 14 15 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT 16 //sys Fchown(fd int, uid int, gid int) (err error) 17 //sys Fstat(fd int, stat *Stat_t) (err error) 18 //sys fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) 19 20 func Fstatat(fd int, path string, stat *Stat_t, flags int) error { 21 return fstatat(fd, path, stat, flags) 22 } 23 24 //sys Fstatfs(fd int, buf *Statfs_t) (err error) 25 //sys Ftruncate(fd int, length int64) (err error) 26 //sysnb Getegid() (egid int) 27 //sysnb Geteuid() (euid int) 28 //sysnb Getgid() (gid int) 29 //sysnb getrlimit(resource int, rlim *Rlimit) (err error) 30 //sysnb Getuid() (uid int) 31 //sys Listen(s int, n int) (err error) 32 //sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 33 //sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 34 //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) 35 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK 36 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) 37 //sys Setfsgid(gid int) (err error) 38 //sys Setfsuid(uid int) (err error) 39 //sysnb setrlimit1(resource int, rlim *Rlimit) (err error) 40 //sys Shutdown(fd int, how int) (err error) 41 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) 42 43 func Stat(path string, stat *Stat_t) (err error) { 44 return fstatat(_AT_FDCWD, path, stat, 0) 45 } 46 47 func Lchown(path string, uid int, gid int) (err error) { 48 return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW) 49 } 50 51 func Lstat(path string, stat *Stat_t) (err error) { 52 return fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW) 53 } 54 55 //sys Statfs(path string, buf *Statfs_t) (err error) 56 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) = SYS_SYNC_FILE_RANGE2 57 //sys Truncate(path string, length int64) (err error) 58 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 59 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 60 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 61 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 62 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 63 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 64 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 65 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 66 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 67 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 68 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 69 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 70 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 71 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 72 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) 73 74 type sigset_t struct { 75 X__val [16]uint64 76 } 77 78 //sys pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *sigset_t) (n int, err error) = SYS_PSELECT6 79 80 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { 81 var ts *Timespec 82 if timeout != nil { 83 ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000} 84 } 85 return pselect(nfd, r, w, e, ts, nil) 86 } 87 88 //sysnb Gettimeofday(tv *Timeval) (err error) 89 90 func setTimespec(sec, nsec int64) Timespec { 91 return Timespec{Sec: sec, Nsec: nsec} 92 } 93 94 func setTimeval(sec, usec int64) Timeval { 95 return Timeval{Sec: sec, Usec: usec} 96 } 97 98 func futimesat(dirfd int, path string, tv *[2]Timeval) (err error) { 99 if tv == nil { 100 return utimensat(dirfd, path, nil, 0) 101 } 102 103 ts := []Timespec{ 104 NsecToTimespec(TimevalToNsec(tv[0])), 105 NsecToTimespec(TimevalToNsec(tv[1])), 106 } 107 return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) 108 } 109 110 func Time(t *Time_t) (Time_t, error) { 111 var tv Timeval 112 err := Gettimeofday(&tv) 113 if err != nil { 114 return 0, err 115 } 116 if t != nil { 117 *t = Time_t(tv.Sec) 118 } 119 return Time_t(tv.Sec), nil 120 } 121 122 func Utime(path string, buf *Utimbuf) error { 123 tv := []Timeval{ 124 {Sec: buf.Actime}, 125 {Sec: buf.Modtime}, 126 } 127 return Utimes(path, tv) 128 } 129 130 func utimes(path string, tv *[2]Timeval) (err error) { 131 if tv == nil { 132 return utimensat(_AT_FDCWD, path, nil, 0) 133 } 134 135 ts := []Timespec{ 136 NsecToTimespec(TimevalToNsec(tv[0])), 137 NsecToTimespec(TimevalToNsec(tv[1])), 138 } 139 return utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) 140 } 141 142 // Getrlimit prefers the prlimit64 system call. See issue 38604. 143 func Getrlimit(resource int, rlim *Rlimit) error { 144 err := prlimit(0, resource, nil, rlim) 145 if err != ENOSYS { 146 return err 147 } 148 return getrlimit(resource, rlim) 149 } 150 151 // setrlimit prefers the prlimit64 system call. See issue 38604. 152 func setrlimit(resource int, rlim *Rlimit) error { 153 err := prlimit(0, resource, rlim, nil) 154 if err != ENOSYS { 155 return err 156 } 157 return setrlimit1(resource, rlim) 158 } 159 160 //go:nosplit 161 func rawSetrlimit(resource int, rlim *Rlimit) Errno { 162 _, _, errno := RawSyscall6(SYS_PRLIMIT64, 0, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0, 0, 0) 163 if errno != ENOSYS { 164 return errno 165 } 166 _, _, errno = RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0) 167 return errno 168 } 169 170 func (r *PtraceRegs) PC() uint64 { return r.Pc } 171 172 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc } 173 174 func (iov *Iovec) SetLen(length int) { 175 iov.Len = uint64(length) 176 } 177 178 func (msghdr *Msghdr) SetControllen(length int) { 179 msghdr.Controllen = uint64(length) 180 } 181 182 func (cmsg *Cmsghdr) SetLen(length int) { 183 cmsg.Len = uint64(length) 184 } 185 186 func InotifyInit() (fd int, err error) { 187 return InotifyInit1(0) 188 } 189 190 //sys ppoll(fds *pollFd, nfds int, timeout *Timespec, sigmask *sigset_t) (n int, err error) 191 192 func Pause() error { 193 _, err := ppoll(nil, 0, nil, nil) 194 return err 195 }