1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
# -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
#
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public 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.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is the Netscape Portable Runtime (NSPR).
#
# The Initial Developer of the Original Code is
# Netscape Communications Corporation.
# Portions created by the Initial Developer are Copyright (C) 2003
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Josh Aas <josh@mozilla.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
#
# Based on os_Linux_x86.s
#
#
# PRInt32 __PR_Darwin_x86_AtomicIncrement(PRInt32 *val);
#
# Atomically increment the integer pointed to by 'val' and return
# the result of the increment.
#
.text
.globl __PR_Darwin_x86_AtomicIncrement
.private_extern __PR_Darwin_x86_AtomicIncrement
.align 4
__PR_Darwin_x86_AtomicIncrement:
movl 4(%esp), %ecx
movl $1, %eax
lock
xaddl %eax, (%ecx)
incl %eax
ret
#
# PRInt32 __PR_Darwin_x86_AtomicDecrement(PRInt32 *val);
#
# Atomically decrement the integer pointed to by 'val' and return
# the result of the decrement.
#
.text
.globl __PR_Darwin_x86_AtomicDecrement
.private_extern __PR_Darwin_x86_AtomicDecrement
.align 4
__PR_Darwin_x86_AtomicDecrement:
movl 4(%esp), %ecx
movl $-1, %eax
lock
xaddl %eax, (%ecx)
decl %eax
ret
#
# PRInt32 __PR_Darwin_x86_AtomicSet(PRInt32 *val, PRInt32 newval);
#
# Atomically set the integer pointed to by 'val' to the new
# value 'newval' and return the old value.
#
.text
.globl __PR_Darwin_x86_AtomicSet
.private_extern __PR_Darwin_x86_AtomicSet
.align 4
__PR_Darwin_x86_AtomicSet:
movl 4(%esp), %ecx
movl 8(%esp), %eax
xchgl %eax, (%ecx)
ret
#
# PRInt32 __PR_Darwin_x86_AtomicAdd(PRInt32 *ptr, PRInt32 val);
#
# Atomically add 'val' to the integer pointed to by 'ptr'
# and return the result of the addition.
#
.text
.globl __PR_Darwin_x86_AtomicAdd
.private_extern __PR_Darwin_x86_AtomicAdd
.align 4
__PR_Darwin_x86_AtomicAdd:
movl 4(%esp), %ecx
movl 8(%esp), %eax
movl %eax, %edx
lock
xaddl %eax, (%ecx)
addl %edx, %eax
ret
|
