85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/* $NetBSD: dlfcn.h,v 1.7 1998/05/12 21:17:09 pk Exp $ */
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/*
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* Copyright (c) 1995 Paul Kranenburg
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Paul Kranenburg.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DLFCN_H_
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#define _DLFCN_H_
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#include <sys/cdefs.h>
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#if !defined(_XOPEN_SOURCE)
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typedef struct _dl_info {
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const char *dli_fname; /* File defining the symbol */
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void *dli_fbase; /* Base address */
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const char *dli_sname; /* Symbol name */
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void *dli_saddr; /* Symbol address */
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} Dl_info;
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#endif /* !defined(_XOPEN_SOURCE) */
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/*
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* User interface to the run-time linker.
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*/
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__BEGIN_DECLS
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extern void *dlopen __P((const char *, int));
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extern int dlclose __P((void *));
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extern void *dlsym __P((void *, const char *));
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#if !defined(_XOPEN_SOURCE)
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extern int dladdr __P((void *, Dl_info *));
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extern int dlctl __P((void *, int, void *));
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#endif
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extern char *dlerror __P((void));
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__END_DECLS
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/* Values for dlopen `mode'. */
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#define RTLD_LAZY 1
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#define RTLD_NOW 2
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#define RTLD_LOCAL 0x000
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#define RTLD_GLOBAL 0x100 /* Allow global searches in object */
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#if !defined(_XOPEN_SOURCE)
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#define DL_LAZY RTLD_LAZY /* Compat */
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#endif
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/*
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* dlctl() commands
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*/
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#if !defined(_XOPEN_SOURCE)
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#define DL_GETERRNO 1
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#define DL_GETSYMBOL 2
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#if 0
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#define DL_SETSRCHPATH x
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#define DL_GETLIST x
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#define DL_GETREFCNT x
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#define DL_GETLOADADDR x
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#endif /* 0 */
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#endif /* !defined(_XOPEN_SOURCE) */
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#endif /* !defined(_DLFCN_H_) */
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