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
|
/*
* ALSA lib - dynamic symbol versions
* Copyright (c) 2002 by Jaroslav Kysela <perex@suse.cz>
*
*
* This 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.
*
* This program 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
*
*/
#ifndef __ALSA_SYMBOLS_H
#define __ALSA_SYMBOLS_H
#if defined(PIC) && defined(VERSIONED_SYMBOLS) /* might be also configurable */
#define USE_VERSIONED_SYMBOLS
#endif
#define INTERNAL_CONCAT2_2(Pre, Post) Pre##Post
#define INTERNAL(Name) INTERNAL_CONCAT2_2(__, Name)
#ifdef __powerpc64__
# define symbol_version(real, name, version) \
__asm__ (".symver " #real "," #name "@" #version); \
__asm__ (".symver ." #real ",." #name "@" #version)
# define default_symbol_version(real, name, version) \
__asm__ (".symver " #real "," #name "@@" #version); \
__asm__ (".symver ." #real ",." #name "@@" #version)
#else
# define symbol_version(real, name, version) \
__asm__ (".symver " #real "," #name "@" #version)
# define default_symbol_version(real, name, version) \
__asm__ (".symver " #real "," #name "@@" #version)
#endif
#ifdef USE_VERSIONED_SYMBOLS
#define use_symbol_version(real, name, version) \
symbol_version(real, name, version)
#define use_default_symbol_version(real, name, version) \
default_symbol_version(real, name, version)
#else
#define use_symbol_version(real, name, version) /* nothing */
#ifdef __powerpc64__
#define use_default_symbol_version(real, name, version) \
__asm__ (".weak " #name); \
__asm__ (".weak ." #name); \
__asm__ (".set " #name "," #real); \
__asm__ (".set ." #name ",." #real)
#else
#define use_default_symbol_version(real, name, version) \
__asm__ (".weak " #name); \
__asm__ (".set " #name "," #real)
#endif
#endif
#endif /* __ALSA_SYMBOLS_H */
|
