NetBSD/include/dlfcn.h

85 lines
2.9 KiB
C

/* $NetBSD: dlfcn.h,v 1.7 1998/05/12 21:17:09 pk Exp $ */
/*
* Copyright (c) 1995 Paul Kranenburg
* All rights reserved.
*
* 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 Paul Kranenburg.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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/cdefs.h>
#if !defined(_XOPEN_SOURCE)
typedef struct _dl_info {
const char *dli_fname; /* File defining the symbol */
void *dli_fbase; /* Base address */
const char *dli_sname; /* Symbol name */
void *dli_saddr; /* Symbol address */
} Dl_info;
#endif /* !defined(_XOPEN_SOURCE) */
/*
* User interface to the run-time linker.
*/
__BEGIN_DECLS
extern void *dlopen __P((const char *, int));
extern int dlclose __P((void *));
extern void *dlsym __P((void *, const char *));
#if !defined(_XOPEN_SOURCE)
extern int dladdr __P((void *, Dl_info *));
extern int dlctl __P((void *, int, void *));
#endif
extern char *dlerror __P((void));
__END_DECLS
/* Values for dlopen `mode'. */
#define RTLD_LAZY 1
#define RTLD_NOW 2
#define RTLD_LOCAL 0x000
#define RTLD_GLOBAL 0x100 /* Allow global searches in object */
#if !defined(_XOPEN_SOURCE)
#define DL_LAZY RTLD_LAZY /* Compat */
#endif
/*
* dlctl() commands
*/
#if !defined(_XOPEN_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(_XOPEN_SOURCE) */
#endif /* !defined(_DLFCN_H_) */