1 files changed, 85 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S b/libpthread/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S
new file mode 100644
index 000000000..16c41b748
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S
@@ -0,0 +1,85 @@
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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 <pthread-errnos.h>
+#include <tls.h>
+
+#ifndef UP
+# define LOCK lock
+#else
+# define
+#endif
+
+	.text
+
+	.globl	__new_sem_trywait
+	.type	__new_sem_trywait,@function
+	.align	16
+__new_sem_trywait:
+	movl	4(%esp), %ecx
+
+	movl	(%ecx), %eax
+2:	testl	%eax, %eax
+	jz	1f
+
+	leal	-1(%eax), %edx
+	LOCK
+	cmpxchgl %edx, (%ecx)
+	jne,pn	2b
+	xorl	%eax, %eax
+	ret
+
+1:
+#ifdef PIC
+	call	__x86.get_pc_thunk.cx
+#else
+	movl	$3f, %ecx
+3:
+#endif
+	addl	$_GLOBAL_OFFSET_TABLE_, %ecx
+#if USE___THREAD
+# ifdef NO_TLS_DIRECT_SEG_REFS
+	movl	errno@gotntpoff(%ecx), %edx
+	addl	%gs:0, %edx
+	movl	$EAGAIN, (%edx)
+# else
+	movl	errno@gotntpoff(%ecx), %edx
+	movl	$EAGAIN, %gs:(%edx)
+# endif
+#else
+	call	__errno_location@plt
+	movl	$EAGAIN, (%eax)
+#endif
+	orl	$-1, %eax
+	ret
+	.size	__new_sem_trywait,.-__new_sem_trywait
+weak_alias(__new_sem_trywait, sem_trywait)
+
+
+#ifdef PIC
+	.section .gnu.linkonce.t.__x86.get_pc_thunk.cx,"ax",@progbits
+	.globl	__x86.get_pc_thunk.cx
+	.hidden	__x86.get_pc_thunk.cx
+	.type	__x86.get_pc_thunk.cx,@function
+__x86.get_pc_thunk.cx:
+	movl (%esp), %ecx;
+	ret
+	.size	__x86.get_pc_thunk.cx,.-__x86.get_pc_thunk.cx
+#endif