/[path-sandbox]/trunk/localdecls.h
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Revision 187 - (hide annotations) (download) (as text)
Thu Dec 1 01:00:40 2005 UTC (8 years, 8 months ago) by azarah
File MIME type: text/x-chdr
File size: 1422 byte(s)
Fix non-versioned libc's to also prepend '__' to internal symbols by using
strong aliases.

1 vapier 23 /*
2     * File: localdecls.h
3     *
4     * Copyright 1999-2004 Gentoo Foundation
5     * Distributed under the terms of the GNU General Public License v2
6     * $Header$
7     */
8    
9     #ifndef __LOCALDECLS_H__
10     #define __LOCALDECLS_H__
11    
12     /* take care of broken ld loading */
13 vapier 63 #if defined(__GLIBC__) && !defined(__UCLIBC__)
14 vapier 23
15     # if __GLIBC__ <= 2 && __GLIBC_MINOR__ <= 2
16     # define BROKEN_RTLD_NEXT
17     # define LIBC 5
18     # endif
19    
20     # if !defined(BROKEN_RTLD_NEXT)
21     # if defined(__mips__)
22     # define BROKEN_RTLD_NEXT
23     # endif
24     # endif
25    
26     #endif
27    
28     #define GLIBC_MINOR __GLIBC_MINOR__
29    
30     #ifdef PATH_MAX
31     # define SB_PATH_MAX PATH_MAX * 2
32     # if (SB_PATH_MAX >= INT_MAX) || (SB_PATH_MAX < PATH_MAX)
33     # undef SB_PATH_MAX
34     # define SB_PATH_MAX PATH_MAX + 25
35     # if (SB_PATH_MAX >= INT_MAX) || (SB_PATH_MAX < PATH_MAX)
36     # error SB_PATH_MAX too big!
37     # endif
38     # endif
39     #else
40     # error PATH_MAX not defined!
41     #endif
42    
43 azarah 43 #ifndef OUTSIDE_LIBSANDBOX
44     # define SB_STATIC static
45     #else
46     # define SB_STATIC
47 vapier 23 #endif
48 azarah 43
49 azarah 182 #if !HAVE_DLVSYM
50 azarah 187 # define dlvsym(_lib, _sym, _ver) dlsym(_lib, _sym)
51 azarah 43 #endif
52 azarah 182
53 azarah 183 #if HAVE_DLVSYM
54 azarah 187 /* Taken from glibc */
55     # define symbol_version(_real, _name, _version) \
56     __asm__ (".symver " #_real "," #_name "@" #_version)
57     # define default_symbol_version(_real, _name, _version) \
58     __asm__ (".symver " #_real "," #_name "@@" #_version)
59 azarah 183 #endif
60 azarah 182
61 azarah 187 /* Taken from glibc */
62     # define strong_alias(_name, _aliasname) \
63     extern __typeof (_name) _aliasname __attribute__ ((alias (#_name)));
64    
65    
66 azarah 182 #endif

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