1 files changed, 80 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/pt-socket.S b/nptl/sysdeps/unix/sysv/linux/i386/pt-socket.S
new file mode 100644
index 0000000000..0b8523bd86
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/pt-socket.S
@@ -0,0 +1,80 @@
+/* Copyright (C) 1995, 1996, 1997, 1998, 2002 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.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
+# error "__socket and socket must be defined"
+#endif
+
+.globl __socket
+ENTRY (__socket)
+	/* We need one more register.  */
+	pushl %esi
+
+	/* Enable asynchronous cancellation.  */
+	call __libc_enable_asynccancel	/* No @plt */
+	movl %eax, %esi
+
+	/* Save registers.  */
+	movl %ebx, %edx
+
+	movl $SYS_ify(socketcall), %eax	/* System call number in %eax.  */
+
+	/* Use ## so `socket' is a separate token that might be #define'd.  */
+	movl $P(SOCKOP_,socket), %ebx	/* Subcode is first arg to syscall.  */
+	lea 8(%esp), %ecx		/* Address of args is 2nd arg.  */
+
+        /* Do the system call trap.  */
+	int $0x80
+
+	/* Restore the cancellation.  */
+	xchgl %esi, %eax
+	call __libc_disable_asynccancel	/* No @plt */
+
+	/* Restore registers.  */
+	movl %esi, %eax
+	movl %edx, %ebx
+	popl %esi
+
+	/* %eax is < 0 if there was an error.  */
+	cmpl $-125, %eax
+	jae SYSCALL_ERROR_LABEL
+
+	/* Successful; return the syscall's value.  */
+L(pseudo_end):
+	ret
+
+PSEUDO_END (__socket)
+
+#ifndef NO_WEAK_ALIAS
+weak_alias (__socket, socket)
+#endif