some progress on arm linux syscall interface. ztypes_linux_arm

still has problems with godefs.

R=rsc
APPROVED=rsc
DELTA=801  (134 added, 235 deleted, 432 changed)
OCL=35189
CL=35211

1 files changed, 7 insertions, 114 deletions

diff --git a/src/pkg/syscall/syscall_linux_arm.go b/src/pkg/syscall/syscall_linux_arm.go
index dc64ae79f..173bfd602 100644
--- a/src/pkg/syscall/syscall_linux_arm.go
+++ b/src/pkg/syscall/syscall_linux_arm.go
@@ -4,26 +4,12 @@
 
 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 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 = int32(nsec/1e9);
@@ -31,108 +17,15 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
 	return;
 }
 
-// 64-bit file system and 32-bit uid calls
-// (386 default is 32-bit file system and 16-bit uid).
-//sys	Chown(path string, uid int, gid int) (errno int) = SYS_CHOWN32
-//sys	Fchown(fd int, uid int, gid int) (errno int) = SYS_FCHOWN32
-//sys	Fstat(fd int, stat *Stat_t) (errno int) = SYS_FSTAT64
-//sys	Fstatfs(fd int, buf *Statfs_t) (errno int) = SYS_FSTATFS64
-//sys	Getegid() (egid int) = SYS_GETEGID32
-//sys	Geteuid() (euid int) = SYS_GETEUID32
-//sys	Getgid() (gid int) = SYS_GETGID32
-//sys	Getuid() (uid int) = SYS_GETUID32
-//sys	Lchown(path string, uid int, gid int) (errno int) = SYS_LCHOWN32
-//sys	Lstat(path string, stat *Stat_t) (errno int) = SYS_LSTAT64
-//sys	Setfsgid(gid int) (errno int) = SYS_SETFSGID32
-//sys	Setfsuid(uid int) (errno int) = SYS_SETFSUID32
-//sys	Setgid(gid int) (errno int) = SYS_SETGID32
-//sys	Setregid(rgid int, egid int) (errno int) = SYS_SETREGID32
-//sys	Setresgid(rgid int, egid int, sgid int) (errno int) = SYS_SETRESGID32
-//sys	Setresuid(ruid int, euid int, suid int) (errno int) = SYS_SETRESUID32
-//sys	Setreuid(ruid int, euid int) (errno int) = SYS_SETREUID32
-//sys	Stat(path string, stat *Stat_t) (errno int) = SYS_STAT64
-//sys	Statfs(path string, buf *Statfs_t) (errno int) = SYS_STATFS64
+//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)
 //sys	getgroups(n int, list *_Gid_t) (nn int, errno int) = SYS_GETGROUPS32
 //sys	setgroups(n int, list *_Gid_t) (errno int) = SYS_SETGROUPS32
+//sys	setsockopt(s int, level int, name int, val uintptr, vallen int) (errno int)
+//sys	socket(domain int, typ int, proto int) (fd int, errno int)
+//sys	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
+//sys	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
 
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, errno int) = SYS__NEWSELECT
 
-// Underlying system call writes to newoffset via pointer.
-// Implemented in assembly to avoid allocation.
-func Seek(fd int, offset int64, whence int) (newoffset int64, errno int)
-
-// On x86 Linux, all the socket calls go through an extra indirection,
-// I think because the 5-register system call interface can't handle
-// the 6-argument calls like sendto and recvfrom.  Instead the
-// arguments to the underlying system call are the number below
-// and a pointer to an array of uintptr.  We hide the pointer in the
-// socketcall assembly to avoid allocation on every system call.
-
-const (
-	// see linux/net.h
-	_SOCKET = 1;
-	_BIND = 2;
-	_CONNECT = 3;
-	_LISTEN = 4;
-	_ACCEPT = 5;
-	_GETSOCKNAME = 6;
-	_GETPEERNAME = 7;
-	_SOCKETPAIR = 8;
-	_SEND = 9;
-	_RECV = 10;
-	_SENDTO = 11;
-	_RECVFROM = 12;
-	_SHUTDOWN = 13;
-	_SETSOCKOPT = 14;
-	_GETSOCKOPT = 15;
-	_SENDMSG = 16;
-	_RECVMSG = 17;
-)
-
-func socketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (n int, errno int)
-
-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, errno int) {
-	fd, errno = socketcall(_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0);
-	return;
-}
-
-func getsockname(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) {
-	var _ int;
-	_, errno = socketcall(_GETSOCKNAME, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0);
-	return;
-}
-
-func getpeername(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) {
-	var _ int;
-	_, errno = socketcall(_GETPEERNAME, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0);
-	return;
-}
-
-func bind(s int, addr uintptr, addrlen _Socklen) (errno int) {
-	var _ int;
-	_, errno = socketcall(_BIND, uintptr(s), uintptr(addr), uintptr(addrlen), 0, 0, 0);
-	return;
-}
-
-func connect(s int, addr uintptr, addrlen _Socklen) (errno int) {
-	var _ int;
-	_, errno = socketcall(_CONNECT, uintptr(s), uintptr(addr), uintptr(addrlen), 0, 0, 0);
-	return;
-}
-
-func socket(domain int, typ int, proto int) (fd int, errno int) {
-	fd, errno = socketcall(_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto), 0, 0, 0);
-	return;
-}
-
-func setsockopt(s int, level int, name int, val uintptr, vallen int) (errno int) {
-	var _ int;
-	_, errno = socketcall(_SETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(vallen), 0);
-	return;
-}
-
-func Listen(s int, n int) (errno int) {
-	var _ int;
-	_, errno = socketcall(_LISTEN, uintptr(s), uintptr(n), 0, 0, 0, 0);
-	return;
-}