1 files changed, 138 insertions, 0 deletions
diff --git a/src/pkg/syscall/syscall_linux_arm.go b/src/pkg/syscall/syscall_linux_arm.go
new file mode 100644
index 000000000..8c03c765c
--- /dev/null
+++ b/src/pkg/syscall/syscall_linux_arm.go
@@ -0,0 +1,138 @@
+// Copyright 2009 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
+
+import "unsafe"
+
+func Getpagesize() int { return 4096 }
+
+func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
+
+func NsecToTimespec(nsec int64) (ts Timespec) {
+	ts.Sec = int32(nsec / 1e9)
+	ts.Nsec = int32(nsec % 1e9)
+	return
+}
+
+func NsecToTimeval(nsec int64) (tv Timeval) {
+	nsec += 999 // round up to microsecond
+	tv.Sec = int32(nsec / 1e9)
+	tv.Usec = int32(nsec % 1e9 / 1e3)
+	return
+}
+
+// Pread and Pwrite are special: they insert padding before the int64.
+
+func Pread(fd int, p []byte, offset int64) (n int, errno int) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	}
+	r0, _, e1 := Syscall6(SYS_PREAD64, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), uintptr(offset>>32))
+	n = int(r0)
+	errno = int(e1)
+	return
+}
+
+func Pwrite(fd int, p []byte, offset int64) (n int, errno int) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	}
+	r0, _, e1 := Syscall6(SYS_PWRITE64, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), uintptr(offset>>32))
+	n = int(r0)
+	errno = int(e1)
+	return
+}
+
+func Ftruncate(fd int, length int64) (errno int) {
+	// ARM EABI requires 64-bit arguments should be put in a pair
+	// of registers from an even register number.
+	_, _, e1 := Syscall6(SYS_FTRUNCATE64, uintptr(fd), 0, uintptr(length), uintptr(length>>32), 0, 0)
+	errno = int(e1)
+	return
+}
+
+func Truncate(path string, length int64) (errno int) {
+	_, _, e1 := Syscall6(SYS_TRUNCATE64, uintptr(unsafe.Pointer(StringBytePtr(path))), 0, uintptr(length), uintptr(length>>32), 0, 0)
+	errno = int(e1)
+	return
+}
+
+// Seek is defined in assembly.
+
+func Seek(fd int, offset int64, whence int) (newoffset int64, errno int)
+
+//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int)
+//sys	bind(s int, addr uintptr, addrlen _Socklen) (errno int)
+//sys	connect(s int, addr uintptr, addrlen _Socklen) (errno int)
+//sysnb	getgroups(n int, list *_Gid_t) (nn int, errno int) = SYS_GETGROUPS32
+//sysnb	setgroups(n int, list *_Gid_t) (errno int) = SYS_SETGROUPS32
+//sys	getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (errno int)
+//sys	setsockopt(s int, level int, name int, val uintptr, vallen uintptr) (errno int)
+//sysnb	socket(domain int, typ int, proto int) (fd int, errno int)
+//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
+//sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
+//sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, errno int)
+//sys	sendto(s int, buf []byte, flags int, to uintptr, addrlen _Socklen) (errno int)
+//sysnb	socketpair(domain int, typ int, flags int, fd *[2]int) (errno int)
+//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, errno int)
+//sys	sendmsg(s int, msg *Msghdr, flags int) (errno int)
+
+//sys	Chown(path string, uid int, gid int) (errno int)
+//sys	Fchown(fd int, uid int, gid int) (errno int)
+//sys	Fstat(fd int, stat *Stat_t) (errno int) = SYS_FSTAT64
+//sys	Fstatfs(fd int, buf *Statfs_t) (errno int) = SYS_FSTATFS64
+//sysnb	Getegid() (egid int)
+//sysnb	Geteuid() (euid int)
+//sysnb	Getgid() (gid int)
+//sysnb	Getuid() (uid int)
+//sys	Lchown(path string, uid int, gid int) (errno int)
+//sys	Listen(s int, n int) (errno int)
+//sys	Lstat(path string, stat *Stat_t) (errno int) = SYS_LSTAT64
+//sys	Sendfile(outfd int, infd int, offset *int64, count int) (written int, errno int) = SYS_SENDFILE64
+//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int) = SYS__NEWSELECT
+//sys	Setfsgid(gid int) (errno int)
+//sys	Setfsuid(uid int) (errno int)
+//sysnb	Setgid(gid int) (errno int)
+//sysnb	Setregid(rgid int, egid int) (errno int)
+//sysnb	Setresgid(rgid int, egid int, sgid int) (errno int)
+//sysnb	Setresuid(ruid int, euid int, suid int) (errno int)
+//sysnb	Setreuid(ruid int, euid int) (errno int)
+//sys	Shutdown(fd int, how int) (errno int)
+//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, errno int)
+//sys	Stat(path string, stat *Stat_t) (errno int) = SYS_STAT64
+//sys	Statfs(path string, buf *Statfs_t) (errno int) = SYS_STATFS64
+
+// Vsyscalls on amd64.
+//sysnb	Gettimeofday(tv *Timeval) (errno int)
+//sysnb	Time(t *Time_t) (tt Time_t, errno int)
+
+//sys	mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, errno int)
+
+func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, errno int) {
+	page := uintptr(offset / 4096)
+	if offset != int64(page)*4096 {
+		return 0, EINVAL
+	}
+	return mmap2(addr, length, prot, flags, fd, page)
+}
+
+// TODO(kaib): add support for tracing
+func (r *PtraceRegs) PC() uint64 { return 0 }
+
+func (r *PtraceRegs) SetPC(pc uint64) {}
+
+func (iov *Iovec) SetLen(length int) {
+	iov.Len = uint32(length)
+}
+
+func (msghdr *Msghdr) SetControllen(length int) {
+	msghdr.Controllen = uint32(length)
+}
+
+func (cmsg *Cmsghdr) SetLen(length int) {
+	cmsg.Len = uint32(length)
+}