92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/* $NetBSD: dlfcn.h,v 1.19 2008/04/28 20:22:54 martin Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Kranenburg.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* 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/featuretest.h>
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#include <sys/cdefs.h>
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#if defined(_NETBSD_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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const void *dli_saddr; /* Symbol address */
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} Dl_info;
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#endif /* defined(_NETBSD_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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void *dlopen(const char *, int);
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int dlclose(void *);
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void *dlsym(void * __restrict, const char * __restrict);
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#if defined(_NETBSD_SOURCE)
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int dladdr(const void * __restrict, Dl_info * __restrict);
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int dlctl(void *, int, void *);
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#endif
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__aconst char *dlerror(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_GLOBAL 0x100 /* Allow global searches in object */
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#define RTLD_LOCAL 0x200
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#if defined(_NETBSD_SOURCE)
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#define DL_LAZY RTLD_LAZY /* Compat */
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#endif
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/*
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* Special handle arguments for dlsym().
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*/
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#define RTLD_NEXT ((void *) -1) /* Search subsequent objects. */
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#define RTLD_DEFAULT ((void *) -2) /* Use default search algorithm. */
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#define RTLD_SELF ((void *) -3) /* Search the caller itself. */
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/*
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* dlctl() commands
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*/
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#if defined(_NETBSD_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(_NETBSD_SOURCE) */
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#endif /* !defined(_DLFCN_H_) */
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