dlfcn.h revision 1.7 1 1.7 pk /* $NetBSD: dlfcn.h,v 1.7 1998/05/12 21:17:09 pk Exp $ */
2 1.1 pk
3 1.1 pk /*
4 1.1 pk * Copyright (c) 1995 Paul Kranenburg
5 1.1 pk * All rights reserved.
6 1.1 pk *
7 1.1 pk * Redistribution and use in source and binary forms, with or without
8 1.1 pk * modification, are permitted provided that the following conditions
9 1.1 pk * are met:
10 1.1 pk * 1. Redistributions of source code must retain the above copyright
11 1.1 pk * notice, this list of conditions and the following disclaimer.
12 1.1 pk * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 pk * notice, this list of conditions and the following disclaimer in the
14 1.1 pk * documentation and/or other materials provided with the distribution.
15 1.1 pk * 3. All advertising materials mentioning features or use of this software
16 1.1 pk * must display the following acknowledgement:
17 1.1 pk * This product includes software developed by Paul Kranenburg.
18 1.1 pk * 4. The name of the author may not be used to endorse or promote products
19 1.1 pk * derived from this software withough specific prior written permission
20 1.1 pk *
21 1.1 pk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 1.1 pk * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 1.1 pk * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 1.1 pk * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 1.1 pk * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 1.1 pk * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 1.1 pk * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 1.1 pk * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 1.1 pk * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 1.1 pk * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 1.1 pk */
32 1.1 pk
33 1.1 pk #ifndef _DLFCN_H_
34 1.1 pk #define _DLFCN_H_
35 1.1 pk
36 1.1 pk #include <sys/cdefs.h>
37 1.1 pk
38 1.7 pk #if !defined(_XOPEN_SOURCE)
39 1.7 pk typedef struct _dl_info {
40 1.7 pk const char *dli_fname; /* File defining the symbol */
41 1.7 pk void *dli_fbase; /* Base address */
42 1.7 pk const char *dli_sname; /* Symbol name */
43 1.7 pk void *dli_saddr; /* Symbol address */
44 1.7 pk } Dl_info;
45 1.7 pk #endif /* !defined(_XOPEN_SOURCE) */
46 1.7 pk
47 1.1 pk /*
48 1.1 pk * User interface to the run-time linker.
49 1.1 pk */
50 1.2 pk __BEGIN_DECLS
51 1.3 pk extern void *dlopen __P((const char *, int));
52 1.1 pk extern int dlclose __P((void *));
53 1.3 pk extern void *dlsym __P((void *, const char *));
54 1.5 kleink #if !defined(_XOPEN_SOURCE)
55 1.7 pk extern int dladdr __P((void *, Dl_info *));
56 1.1 pk extern int dlctl __P((void *, int, void *));
57 1.5 kleink #endif
58 1.1 pk extern char *dlerror __P((void));
59 1.2 pk __END_DECLS
60 1.1 pk
61 1.1 pk /* Values for dlopen `mode'. */
62 1.3 pk #define RTLD_LAZY 1
63 1.3 pk #define RTLD_NOW 2
64 1.6 kleink #define RTLD_LOCAL 0x000
65 1.4 pk #define RTLD_GLOBAL 0x100 /* Allow global searches in object */
66 1.5 kleink #if !defined(_XOPEN_SOURCE)
67 1.4 pk #define DL_LAZY RTLD_LAZY /* Compat */
68 1.5 kleink #endif
69 1.1 pk
70 1.1 pk /*
71 1.1 pk * dlctl() commands
72 1.1 pk */
73 1.5 kleink #if !defined(_XOPEN_SOURCE)
74 1.1 pk #define DL_GETERRNO 1
75 1.7 pk #define DL_GETSYMBOL 2
76 1.4 pk #if 0
77 1.1 pk #define DL_SETSRCHPATH x
78 1.1 pk #define DL_GETLIST x
79 1.1 pk #define DL_GETREFCNT x
80 1.1 pk #define DL_GETLOADADDR x
81 1.5 kleink #endif /* 0 */
82 1.5 kleink #endif /* !defined(_XOPEN_SOURCE) */
83 1.1 pk
84 1.5 kleink #endif /* !defined(_DLFCN_H_) */
85