osl_[increment|decrement]InterlockedCount

1 files changed, 112 insertions, 0 deletions

diff --git a/sal/osl/unx/asm/interlck_x86.s b/sal/osl/unx/asm/interlck_x86.s
new file mode 100644
index 000000000000..a8c1c162ec47
--- /dev/null
+++ b/sal/osl/unx/asm/interlck_x86.s
@@ -0,0 +1,112 @@
+/*************************************************************************
+ *
+ *  $RCSfile: interlck_x86.s,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: hr $ $Date: 2001-02-26 14:27:04 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This 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 this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+
+.section   .text,"ax"
+ .globl   osl_incrementInterlockedCount
+
+osl_incrementInterlockedCount:
+
+	push       %ebp
+	mov        %esp,%ebp
+	push       %ebx
+	call       1f
+1:
+	pop        %ebx
+	add        $_GLOBAL_OFFSET_TABLE_+0x1,%ebx
+	mov        8(%ebp),%ecx
+	mov        $1,%eax
+	lock
+	xadd  	   %eax,(%ecx)
+	inc        %eax
+	pop        %ebx
+	mov        %ebp,%esp
+	pop        %ebp
+	ret        
+ 
+ .type  osl_incrementInterlockedCount,@function
+ .size  osl_incrementInterlockedCount,.-osl_incrementInterlockedCount
+
+.section   .text,"ax"
+ .globl   osl_decrementInterlockedCount
+
+osl_decrementInterlockedCount:
+
+	push       %ebp
+	mov        %esp,%ebp
+	push       %ebx
+	call       1f
+1:
+	pop        %ebx
+	add        $_GLOBAL_OFFSET_TABLE_+0x1,%ebx
+	mov        8(%ebp),%ecx
+	mov        $-1,%eax
+	lock 
+	xadd       %eax,(%ecx)
+	dec        %eax
+	pop        %ebx
+	mov        %ebp,%esp
+	pop        %ebp
+	ret        
+ 
+ .type  osl_decrementInterlockedCount,@function
+ .size  osl_decrementInterlockedCount,.-osl_decrementInterlockedCount
+