xref: /aoo42x/main/sal/osl/unx/asm/interlck_x86.s (revision cdf0e10c)
1*cdf0e10cSrcweir /*************************************************************************
2*cdf0e10cSrcweir  *
3*cdf0e10cSrcweir  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4*cdf0e10cSrcweir  *
5*cdf0e10cSrcweir  * Copyright 2000, 2010 Oracle and/or its affiliates.
6*cdf0e10cSrcweir  *
7*cdf0e10cSrcweir  * OpenOffice.org - a multi-platform office productivity suite
8*cdf0e10cSrcweir  *
9*cdf0e10cSrcweir  * This file is part of OpenOffice.org.
10*cdf0e10cSrcweir  *
11*cdf0e10cSrcweir  * OpenOffice.org is free software: you can redistribute it and/or modify
12*cdf0e10cSrcweir  * it under the terms of the GNU Lesser General Public License version 3
13*cdf0e10cSrcweir  * only, as published by the Free Software Foundation.
14*cdf0e10cSrcweir  *
15*cdf0e10cSrcweir  * OpenOffice.org is distributed in the hope that it will be useful,
16*cdf0e10cSrcweir  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17*cdf0e10cSrcweir  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18*cdf0e10cSrcweir  * GNU Lesser General Public License version 3 for more details
19*cdf0e10cSrcweir  * (a copy is included in the LICENSE file that accompanied this code).
20*cdf0e10cSrcweir  *
21*cdf0e10cSrcweir  * You should have received a copy of the GNU Lesser General Public License
22*cdf0e10cSrcweir  * version 3 along with OpenOffice.org.  If not, see
23*cdf0e10cSrcweir  * <http://www.openoffice.org/license.html>
24*cdf0e10cSrcweir  * for a copy of the LGPLv3 License.
25*cdf0e10cSrcweir  *
26*cdf0e10cSrcweir  ************************************************************************/
27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir 
29*cdf0e10cSrcweir .section   .text,"ax"
30*cdf0e10cSrcweir  .globl   osl_incrementInterlockedCount
31*cdf0e10cSrcweir 
32*cdf0e10cSrcweir osl_incrementInterlockedCount:
33*cdf0e10cSrcweir 
34*cdf0e10cSrcweir     push       %ebp
35*cdf0e10cSrcweir     mov        %esp,%ebp
36*cdf0e10cSrcweir     push       %ebx
37*cdf0e10cSrcweir     call       1f
38*cdf0e10cSrcweir 1:
39*cdf0e10cSrcweir     pop        %ebx
40*cdf0e10cSrcweir     add        $_GLOBAL_OFFSET_TABLE_+0x1,%ebx
41*cdf0e10cSrcweir     mov        8(%ebp),%ecx
42*cdf0e10cSrcweir     mov        $1,%eax
43*cdf0e10cSrcweir     mov        osl_isSingleCPU@GOT(%ebx),%edx
44*cdf0e10cSrcweir     cmp        $0,(%edx)
45*cdf0e10cSrcweir     je         2f
46*cdf0e10cSrcweir     xadd       %eax,(%ecx)
47*cdf0e10cSrcweir     jmp        3f
48*cdf0e10cSrcweir 2:
49*cdf0e10cSrcweir     lock
50*cdf0e10cSrcweir     xadd       %eax,(%ecx)
51*cdf0e10cSrcweir 3:
52*cdf0e10cSrcweir     inc        %eax
53*cdf0e10cSrcweir     pop        %ebx
54*cdf0e10cSrcweir     mov        %ebp,%esp
55*cdf0e10cSrcweir     pop        %ebp
56*cdf0e10cSrcweir     ret
57*cdf0e10cSrcweir 
58*cdf0e10cSrcweir  .type  osl_incrementInterlockedCount,@function
59*cdf0e10cSrcweir  .size  osl_incrementInterlockedCount,.-osl_incrementInterlockedCount
60*cdf0e10cSrcweir 
61*cdf0e10cSrcweir .section   .text,"ax"
62*cdf0e10cSrcweir  .globl   osl_decrementInterlockedCount
63*cdf0e10cSrcweir 
64*cdf0e10cSrcweir osl_decrementInterlockedCount:
65*cdf0e10cSrcweir 
66*cdf0e10cSrcweir     push       %ebp
67*cdf0e10cSrcweir     mov        %esp,%ebp
68*cdf0e10cSrcweir     push       %ebx
69*cdf0e10cSrcweir     call       1f
70*cdf0e10cSrcweir 1:
71*cdf0e10cSrcweir     pop        %ebx
72*cdf0e10cSrcweir     add        $_GLOBAL_OFFSET_TABLE_+0x1,%ebx
73*cdf0e10cSrcweir     mov        8(%ebp),%ecx
74*cdf0e10cSrcweir     orl        $-1,%eax
75*cdf0e10cSrcweir     mov        osl_isSingleCPU@GOT(%ebx),%edx
76*cdf0e10cSrcweir     cmp        $0,(%edx)
77*cdf0e10cSrcweir     je         2f
78*cdf0e10cSrcweir     xadd       %eax,(%ecx)
79*cdf0e10cSrcweir     jmp        3f
80*cdf0e10cSrcweir 2:
81*cdf0e10cSrcweir     lock
82*cdf0e10cSrcweir     xadd       %eax,(%ecx)
83*cdf0e10cSrcweir 3:
84*cdf0e10cSrcweir     dec        %eax
85*cdf0e10cSrcweir     pop        %ebx
86*cdf0e10cSrcweir     mov        %ebp,%esp
87*cdf0e10cSrcweir     pop        %ebp
88*cdf0e10cSrcweir     ret
89*cdf0e10cSrcweir 
90*cdf0e10cSrcweir  .type  osl_decrementInterlockedCount,@function
91*cdf0e10cSrcweir  .size  osl_decrementInterlockedCount,.-osl_decrementInterlockedCount
92*cdf0e10cSrcweir 
93