1 files changed, 111 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/socket.S b/sysdeps/unix/sysv/linux/m68k/socket.S
new file mode 100644
index 0000000000..1d10f33e17
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/socket.S
@@ -0,0 +1,111 @@
+/* Copyright (C) 1996, 1997, 1998 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep-cancel.h>
+#include <socketcall.h>
+
+#define P(a, b) P2(a, b)
+#define P2(a, b) a##b
+
+	.text
+/* 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.  */
+
+#ifndef __socket
+#ifndef NO_WEAK_ALIAS
+#define __socket P(__,socket)
+#else
+#define __socket socket
+#endif
+#endif
+
+.globl __socket
+ENTRY (__socket)
+#if defined NEED_CANCELLATION && defined CENABLE
+	SINGLE_THREAD_P
+	jne 1f
+#endif
+
+	/* Save registers.  */
+	move.l %d2, %a0
+
+	move.l #SYS_ify (socketcall), %d0 /* System call number in %d0.  */
+
+	/* Use ## so `socket' is a separate token that might be #define'd.  */
+	move.l #P (SOCKOP_,socket), %d1	/* Subcode is first arg to syscall.  */
+	lea 4(%sp), %a1			/* Address of args is 2nd arg.  */
+	move.l %a1, %d2
+
+	/* Do the system call trap.  */
+	trap #0
+
+	/* Restore registers.  */
+	move.l %a0, %d2
+
+	/* %d0 is < 0 if there was an error.  */
+	tst.l %d0
+	jmi SYSCALL_ERROR_LABEL
+
+	/* Successful; return the syscall's value.  */
+	rts
+
+#if defined NEED_CANCELLATION && defined CENABLE
+1:	/* Enable asynchronous cancellation.  */
+	CENABLE
+
+	/* Save registers.  */
+	move.l %d2, -(%sp)
+	move.l %d0, -(%sp)
+
+	move.l #SYS_ify (socketcall), %d0 /* System call number in %d0.  */
+
+	/* Use ## so `socket' is a separate token that might be #define'd.  */
+	move.l #P (SOCKOP_,socket), %d1	/* Subcode is first arg to syscall.  */
+	lea 4+8(%sp), %a1		/* Address of args is 2nd arg.  */
+	move.l %a1, %d2
+
+	/* Do the system call trap.  */
+	trap #0
+
+	/* Restore cancellation.  */
+	move.l %d0, %d2
+	CDISABLE
+	addq.l #4, %sp
+	move.l %d2, %d0
+
+	/* Restore registers.  */
+	move.l (%sp)+, %d2
+
+	/* %d0 is < 0 if there was an error.  */
+	tst.l %d0
+	jmi SYSCALL_ERROR_LABEL
+
+	/* Successful; return the syscall's value.  */
+	rts
+#endif
+	
+PSEUDO_END (__socket)
+
+#ifndef NO_WEAK_ALIAS
+weak_alias (__socket, socket)
+#endif