xref: /freebsd/libexec/rtld-elf/rtld_paths.h (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
1 /*-
2  * Copyright 1996, 1997, 1998, 1999, 2000 John D. Polstra.
3  * Copyright 2003 Alexander Kabaev <kan@FreeBSD.ORG>.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef _RTLD_PATHS_H
28 #define _RTLD_PATHS_H
29 
30 #undef _PATH_ELF_HINTS
31 
32 #ifndef _RTLD_COMPAT_LIB_SUFFIX
33 #ifdef COMPAT_libcompat
34 #define	_RTLD_COMPAT_LIB_SUFFIX	COMPAT_libcompat
35 #else
36 #define	_RTLD_COMPAT_LIB_SUFFIX	""
37 #endif
38 #endif
39 
40 #ifndef _RTLD_COMPAT_ENV_SUFFIX
41 #ifdef COMPAT_LIBCOMPAT
42 #define	_RTLD_COMPAT_ENV_SUFFIX	COMPAT_LIBCOMPAT "_"
43 #else
44 #define	_RTLD_COMPAT_ENV_SUFFIX	""
45 #endif
46 #endif
47 
48 #ifndef __PATH_ELF_HINTS
49 #define	__PATH_ELF_HINTS(_lc)	"/var/run/ld-elf" _lc ".so.hints"
50 #endif
51 
52 #ifndef _PATH_ELF_HINTS
53 #define	_PATH_ELF_HINTS		__PATH_ELF_HINTS(_RTLD_COMPAT_LIB_SUFFIX)
54 #endif
55 
56 #ifndef _PATH_LIBMAP_CONF
57 #define	_PATH_LIBMAP_CONF	"/etc/libmap" _RTLD_COMPAT_LIB_SUFFIX ".conf"
58 #endif
59 
60 #ifndef __BASENAME_RTLD
61 #define	__BASENAME_RTLD(_lc)	"ld-elf" _lc ".so.1"
62 #endif
63 
64 #ifndef _BASENAME_RTLD
65 #define	_BASENAME_RTLD		__BASENAME_RTLD(_RTLD_COMPAT_LIB_SUFFIX)
66 #endif
67 
68 #ifndef __PATH_RTLD
69 #define	__PATH_RTLD(_lc)	"/libexec/" __BASENAME_RTLD(_lc)
70 #endif
71 
72 #ifndef _PATH_RTLD
73 #define	_PATH_RTLD		__PATH_RTLD(_RTLD_COMPAT_LIB_SUFFIX)
74 #endif
75 
76 #ifndef STANDARD_LIBRARY_PATH
77 #define	STANDARD_LIBRARY_PATH	"/lib" _RTLD_COMPAT_LIB_SUFFIX ":/usr/lib" _RTLD_COMPAT_LIB_SUFFIX
78 #endif
79 
80 #ifndef LD_
81 #define	LD_			"LD_" _RTLD_COMPAT_ENV_SUFFIX
82 #endif
83 
84 #ifndef TOKEN_LIB
85 #define	TOKEN_LIB		"lib" _RTLD_COMPAT_LIB_SUFFIX
86 #endif
87 
88 #ifdef IN_RTLD
89 extern const char *ld_elf_hints_default;
90 extern const char *ld_path_libmap_conf;
91 extern const char *ld_path_rtld;
92 extern const char *ld_standard_library_path;
93 extern const char *ld_env_prefix;
94 #endif
95 
96 #endif /* _RTLD_PATHS_H */
97