summaryrefslogtreecommitdiff
path: root/src/pkg/syscall/syscall_linux_arm.go
diff options
context:
space:
mode:
Diffstat (limited to 'src/pkg/syscall/syscall_linux_arm.go')
-rw-r--r--src/pkg/syscall/syscall_linux_arm.go138
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)
+}