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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: interlck_x86.s,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
.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
mov osl_isSingleCPU@GOT(%ebx),%edx
cmp $0,(%edx)
je 2f
xadd %eax,(%ecx)
jmp 3f
2:
lock
xadd %eax,(%ecx)
3:
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
orl $-1,%eax
mov osl_isSingleCPU@GOT(%ebx),%edx
cmp $0,(%edx)
je 2f
xadd %eax,(%ecx)
jmp 3f
2:
lock
xadd %eax,(%ecx)
3:
dec %eax
pop %ebx
mov %ebp,%esp
pop %ebp
ret
.type osl_decrementInterlockedCount,@function
.size osl_decrementInterlockedCount,.-osl_decrementInterlockedCount
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