syscall: add support for GOARCH=arm64
Change-Id: Ia817e78d9678a365a76fea5e4dbe8f8a5aab0bac
Reviewed-on: https://go-review.googlesource.com/7143
Reviewed-by: Russ Cox <rsc@golang.org>
diff --git a/src/syscall/syscall_linux_arm64.go b/src/syscall/syscall_linux_arm64.go
new file mode 100644
index 0000000..3c4eabc
--- /dev/null
+++ b/src/syscall/syscall_linux_arm64.go
@@ -0,0 +1,142 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package syscall
+
+const _SYS_dup = SYS_DUP3
+
+//sys Fchown(fd int, uid int, gid int) (err error)
+//sys Fstat(fd int, stat *Stat_t) (err error)
+//sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
+//sys Fstatfs(fd int, buf *Statfs_t) (err error)
+//sys Ftruncate(fd int, length int64) (err error)
+//sysnb Getegid() (egid int)
+//sysnb Geteuid() (euid int)
+//sysnb Getgid() (gid int)
+//sysnb Getrlimit(resource int, rlim *Rlimit) (err error)
+//sysnb Getuid() (uid int)
+//sys Lchown(path string, uid int, gid int) (err error)
+//sys Listen(s int, n int) (err error)
+//sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
+//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS_PSELECT6
+//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
+//sys Setfsgid(gid int) (err error)
+//sys Setfsuid(uid int) (err error)
+//sysnb Setregid(rgid int, egid int) (err error)
+//sysnb Setresgid(rgid int, egid int, sgid int) (err error)
+//sysnb Setresuid(ruid int, euid int, suid int) (err error)
+//sysnb Setrlimit(resource int, rlim *Rlimit) (err error)
+//sysnb Setreuid(ruid int, euid int) (err error)
+//sys Shutdown(fd int, how int) (err error)
+//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
+
+func Stat(path string, stat *Stat_t) (err error) {
+ return Fstatat(_AT_FDCWD, path, stat, 0)
+}
+
+func Lstat(path string, stat *Stat_t) (err error) {
+ return Fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW)
+}
+
+//sys Statfs(path string, buf *Statfs_t) (err error)
+//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) = SYS_SYNC_FILE_RANGE2
+//sys Truncate(path string, length int64) (err error)
+//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
+//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
+//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
+//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
+//sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
+//sysnb setgroups(n int, list *_Gid_t) (err error)
+//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
+//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
+//sysnb socket(domain int, typ int, proto int) (fd int, err error)
+//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
+//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
+//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
+//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
+//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
+//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
+//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
+//sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
+
+func Getpagesize() int { return 65536 }
+
+//sysnb Gettimeofday(tv *Timeval) (err error)
+//sysnb Time(t *Time_t) (tt Time_t, err error)
+
+func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
+
+func NsecToTimespec(nsec int64) (ts Timespec) {
+ ts.Sec = nsec / 1e9
+ ts.Nsec = nsec % 1e9
+ return
+}
+
+func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }
+
+func NsecToTimeval(nsec int64) (tv Timeval) {
+ nsec += 999 // round up to microsecond
+ tv.Sec = nsec / 1e9
+ tv.Usec = nsec % 1e9 / 1e3
+ return
+}
+
+func Pipe(p []int) (err error) {
+ if len(p) != 2 {
+ return EINVAL
+ }
+ var pp [2]_C_int
+ err = pipe2(&pp, 0)
+ p[0] = int(pp[0])
+ p[1] = int(pp[1])
+ return
+}
+
+//sysnb pipe2(p *[2]_C_int, flags int) (err error)
+
+func Pipe2(p []int, flags int) (err error) {
+ if len(p) != 2 {
+ return EINVAL
+ }
+ var pp [2]_C_int
+ err = pipe2(&pp, flags)
+ p[0] = int(pp[0])
+ p[1] = int(pp[1])
+ return
+}
+
+func (r *PtraceRegs) PC() uint64 { return r.Pc }
+
+func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc }
+
+func (iov *Iovec) SetLen(length int) {
+ iov.Len = uint64(length)
+}
+
+func (msghdr *Msghdr) SetControllen(length int) {
+ msghdr.Controllen = uint64(length)
+}
+
+func (cmsg *Cmsghdr) SetLen(length int) {
+ cmsg.Len = uint64(length)
+}
+
+// TODO(dfc): constants that should be in zsysnum_linux_arm64.go, remove
+// these when the deprecated syscalls that the syscall package relies on
+// are removed.
+const (
+ SYS_INOTIFY_INIT = 1043
+ SYS_GETPGRP = 1060
+ SYS_UTIMES = 1037
+ SYS_FUTIMESAT = 1066
+ SYS_PAUSE = 1061
+ SYS_USTAT = 1070
+ SYS_UTIME = 1063
+ SYS_LCHOWN = 1032
+ SYS_TIME = 1062
+ SYS_EPOLL_CREATE = 1042
+ SYS_EPOLL_WAIT = 1069
+)
