NetBSD/include/dlfcn.h

92 lines
3.2 KiB
C

/* $NetBSD: dlfcn.h,v 1.14 2003/04/28 23:16:13 bjh21 Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Kranenburg.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DLFCN_H_
#define _DLFCN_H_
#include <sys/featuretest.h>
#include <sys/cdefs.h>
#if defined(_NETBSD_SOURCE)
typedef struct _dl_info {
const char *dli_fname; /* File defining the symbol */
void *dli_fbase; /* Base address */
const char *dli_sname; /* Symbol name */
const void *dli_saddr; /* Symbol address */
} Dl_info;
#endif /* defined(_NETBSD_SOURCE) */
/*
* User interface to the run-time linker.
*/
__BEGIN_DECLS
void *dlopen __P((const char *, int));
int dlclose __P((void *));
void *dlsym __P((void *, const char *));
#if defined(_NETBSD_SOURCE)
int dladdr __P((const void *, Dl_info *));
int dlctl __P((void *, int, void *));
#endif
__aconst char *dlerror __P((void));
__END_DECLS
/* Values for dlopen `mode'. */
#define RTLD_LAZY 1
#define RTLD_NOW 2
#define RTLD_GLOBAL 0x100 /* Allow global searches in object */
#define RTLD_LOCAL 0x200
#if defined(_NETBSD_SOURCE)
#define DL_LAZY RTLD_LAZY /* Compat */
#endif
/*
* dlctl() commands
*/
#if defined(_NETBSD_SOURCE)
#define DL_GETERRNO 1
#define DL_GETSYMBOL 2
#if 0
#define DL_SETSRCHPATH x
#define DL_GETLIST x
#define DL_GETREFCNT x
#define DL_GETLOADADDR x
#endif /* 0 */
#endif /* defined(_NETBSD_SOURCE) */
#endif /* !defined(_DLFCN_H_) */