dlfcn.h revision 1.25 1 1.25 joerg /* $NetBSD: dlfcn.h,v 1.25 2017/07/11 15:21:35 joerg Exp $ */
2 1.1 pk
3 1.9 pk /*-
4 1.9 pk * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 1.1 pk * All rights reserved.
6 1.1 pk *
7 1.9 pk * This code is derived from software contributed to The NetBSD Foundation
8 1.9 pk * by Paul Kranenburg.
9 1.9 pk *
10 1.1 pk * Redistribution and use in source and binary forms, with or without
11 1.1 pk * modification, are permitted provided that the following conditions
12 1.1 pk * are met:
13 1.1 pk * 1. Redistributions of source code must retain the above copyright
14 1.1 pk * notice, this list of conditions and the following disclaimer.
15 1.1 pk * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 pk * notice, this list of conditions and the following disclaimer in the
17 1.1 pk * documentation and/or other materials provided with the distribution.
18 1.1 pk *
19 1.9 pk * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.9 pk * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.9 pk * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.9 pk * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.9 pk * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.9 pk * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.9 pk * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.9 pk * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.9 pk * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.9 pk * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.9 pk * POSSIBILITY OF SUCH DAMAGE.
30 1.1 pk */
31 1.1 pk
32 1.1 pk #ifndef _DLFCN_H_
33 1.1 pk #define _DLFCN_H_
34 1.1 pk
35 1.14 bjh21 #include <sys/featuretest.h>
36 1.1 pk #include <sys/cdefs.h>
37 1.25 joerg #include <machine/ansi.h>
38 1.25 joerg
39 1.25 joerg #ifdef _BSD_SSIZE_T_
40 1.25 joerg typedef _BSD_SSIZE_T_ ssize_t;
41 1.25 joerg #undef _BSD_SSIZE_T_
42 1.25 joerg #endif
43 1.1 pk
44 1.14 bjh21 #if defined(_NETBSD_SOURCE)
45 1.7 pk typedef struct _dl_info {
46 1.7 pk const char *dli_fname; /* File defining the symbol */
47 1.7 pk void *dli_fbase; /* Base address */
48 1.7 pk const char *dli_sname; /* Symbol name */
49 1.12 thorpej const void *dli_saddr; /* Symbol address */
50 1.7 pk } Dl_info;
51 1.14 bjh21 #endif /* defined(_NETBSD_SOURCE) */
52 1.7 pk
53 1.1 pk /*
54 1.1 pk * User interface to the run-time linker.
55 1.1 pk */
56 1.2 pk __BEGIN_DECLS
57 1.24 joerg void *_dlauxinfo(void) __pure;
58 1.24 joerg
59 1.17 perry void *dlopen(const char *, int);
60 1.17 perry int dlclose(void *);
61 1.18 kleink void *dlsym(void * __restrict, const char * __restrict);
62 1.14 bjh21 #if defined(_NETBSD_SOURCE)
63 1.18 kleink int dladdr(const void * __restrict, Dl_info * __restrict);
64 1.17 perry int dlctl(void *, int, void *);
65 1.20 pooka int dlinfo(void *, int, void *);
66 1.23 nonaka void *dlvsym(void * __restrict, const char * __restrict,
67 1.23 nonaka const char * __restrict);
68 1.25 joerg void __dl_cxa_refcount(void *, ssize_t);
69 1.5 kleink #endif
70 1.17 perry __aconst char *dlerror(void);
71 1.2 pk __END_DECLS
72 1.1 pk
73 1.1 pk /* Values for dlopen `mode'. */
74 1.3 pk #define RTLD_LAZY 1
75 1.3 pk #define RTLD_NOW 2
76 1.4 pk #define RTLD_GLOBAL 0x100 /* Allow global searches in object */
77 1.8 tv #define RTLD_LOCAL 0x200
78 1.22 skrll #define RTLD_NODELETE 0x01000 /* Do not remove members. */
79 1.22 skrll #define RTLD_NOLOAD 0x02000 /* Do not load if not already loaded. */
80 1.14 bjh21 #if defined(_NETBSD_SOURCE)
81 1.4 pk #define DL_LAZY RTLD_LAZY /* Compat */
82 1.5 kleink #endif
83 1.15 christos
84 1.15 christos /*
85 1.16 skrll * Special handle arguments for dlsym().
86 1.15 christos */
87 1.15 christos #define RTLD_NEXT ((void *) -1) /* Search subsequent objects. */
88 1.15 christos #define RTLD_DEFAULT ((void *) -2) /* Use default search algorithm. */
89 1.15 christos #define RTLD_SELF ((void *) -3) /* Search the caller itself. */
90 1.1 pk
91 1.1 pk /*
92 1.1 pk * dlctl() commands
93 1.1 pk */
94 1.14 bjh21 #if defined(_NETBSD_SOURCE)
95 1.1 pk #define DL_GETERRNO 1
96 1.7 pk #define DL_GETSYMBOL 2
97 1.4 pk #if 0
98 1.1 pk #define DL_SETSRCHPATH x
99 1.1 pk #define DL_GETLIST x
100 1.1 pk #define DL_GETREFCNT x
101 1.1 pk #define DL_GETLOADADDR x
102 1.5 kleink #endif /* 0 */
103 1.14 bjh21 #endif /* defined(_NETBSD_SOURCE) */
104 1.1 pk
105 1.20 pooka /*
106 1.20 pooka * dlinfo() commands
107 1.20 pooka *
108 1.21 skrll * From Solaris: http://docs.sun.com/app/docs/doc/816-5168/dlinfo-3c?a=view
109 1.20 pooka */
110 1.20 pooka #if defined(_NETBSD_SOURCE)
111 1.20 pooka #define RTLD_DI_LINKMAP 3
112 1.20 pooka #if 0
113 1.20 pooka #define RTLD_DI_ARGSINFO 1
114 1.20 pooka #define RTLD_DI_CONFIGADDR 2
115 1.20 pooka #define RTLD_DI_LMID 4
116 1.20 pooka #define RTLD_DI_SERINFO 5
117 1.20 pooka #define RTLD_DI_SERINFOSIZE 6
118 1.20 pooka #define RTLD_DI_ORIGIN 7
119 1.20 pooka #define RTLD_DI_GETSIGNAL 8
120 1.20 pooka #define RTLD_DI_SETSIGNAL 9
121 1.20 pooka #endif
122 1.20 pooka #endif /* _NETBSD_SOURCE */
123 1.20 pooka
124 1.5 kleink #endif /* !defined(_DLFCN_H_) */
125