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authorUlrich Drepper <drepper@redhat.com>2001-04-09 04:49:41 +0000
committerUlrich Drepper <drepper@redhat.com>2001-04-09 04:49:41 +0000
commit22ebc6a15fc569daaadc0eed42cd097120177ff8 (patch)
tree437e0fad21c92ec607264009c4b54b052c9b2405 /sysdeps/unix
parent25a87ddfb0b6090cc79b5ff3cbd4bdbb49a6cb97 (diff)
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socket implementation for Linux/CRIS.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/cris/socket.S96
1 files changed, 96 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/cris/socket.S b/sysdeps/unix/sysv/linux/cris/socket.S
new file mode 100644
index 0000000000..06832ec395
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/cris/socket.S
@@ -0,0 +1,96 @@
+/* Copyright (C) 1995, 1996, 1997, 1999, 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+#include <socketcall.h>
+
+#define P(a, b) P2(a, b)
+#define P2(a, b) a##b
+
+/* The socket-oriented system calls are handled unusally in Linux.
+ They are all gated through the single `socketcall' system call number.
+ `socketcall' takes two arguments: the first is the subcode, specifying
+ which socket function is being called; and the second is a pointer to
+ the arguments to the specific function.
+
+ The .S files for the other calls just #define socket and #include this.
+ They also #define a 'number-of-arguments' word in NARGS, which
+ defaults to 3. */
+
+#ifndef NARGS
+#ifdef socket
+#error NARGS not defined
+#endif
+#define NARGS 3
+#endif
+
+ .syntax no_register_prefix
+
+#ifndef __socket
+#define __socket P(__,socket)
+#endif
+
+ENTRY(__socket)
+ subq NARGS*4,sp
+
+#if NARGS >= 2
+ move.d sp,r9
+ move.d r10,[r9+]
+#else
+ move.d r10,[sp]
+#endif
+#if NARGS >= 2
+ move.d r11,[r9+]
+#endif
+#if NARGS >= 3
+ move.d r12,[r9+]
+#endif
+#if NARGS >= 4
+ move.d r13,[r9+]
+#endif
+#if NARGS >= 5
+ move.d [sp+NARGS*4],r13
+ move.d r13,[r9+]
+#endif
+#if NARGS >= 6
+ move.d [sp+NARGS*4+4],r13
+ move.d r13,[r9+]
+#endif
+#if NARGS >= 7
+ move.d [sp+NARGS*4+8],r13
+ move.d r13,[r9+]
+#endif
+#if NARGS >= 8
+ move.d [sp+NARGS*4+12],r13
+ move.d r13,[r9+]
+#endif
+#if NARGS >= 9
+#error Too many arguments!
+#endif
+ moveq P(SOCKOP_,socket),r10
+ move.d sp,r11
+ movu.w SYS_ify(socketcall),r9
+ break 13
+ cmps.w -4096,r10
+ bhs 0f
+ addq NARGS*4,sp
+ Ret
+ nop
+PSEUDO_END (__socket)
+
+weak_alias (__socket, socket)