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dlfcn.h revision 1.17 
      1  1.17     perry /*	$NetBSD: dlfcn.h,v 1.17 2005/02/03 04:39:32 perry 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  * 3. All advertising materials mentioning features or use of this software
     19   1.1        pk  *    must display the following acknowledgement:
     20   1.9        pk  *        This product includes software developed by the NetBSD
     21   1.9        pk  *        Foundation, Inc. and its contributors.
     22   1.9        pk  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23   1.9        pk  *    contributors may be used to endorse or promote products derived
     24   1.9        pk  *    from this software without specific prior written permission.
     25   1.1        pk  *
     26   1.9        pk  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27   1.9        pk  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28   1.9        pk  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29   1.9        pk  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30   1.9        pk  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31   1.9        pk  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32   1.9        pk  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33   1.9        pk  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34   1.9        pk  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35   1.9        pk  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36   1.9        pk  * POSSIBILITY OF SUCH DAMAGE.
     37   1.1        pk  */
     38   1.1        pk 
     39   1.1        pk #ifndef _DLFCN_H_
     40   1.1        pk #define _DLFCN_H_
     41   1.1        pk 
     42  1.14     bjh21 #include <sys/featuretest.h>
     43   1.1        pk #include <sys/cdefs.h>
     44   1.1        pk 
     45  1.14     bjh21 #if defined(_NETBSD_SOURCE)
     46   1.7        pk typedef struct _dl_info {
     47   1.7        pk 	const char	*dli_fname;	/* File defining the symbol */
     48   1.7        pk 	void		*dli_fbase;	/* Base address */
     49   1.7        pk 	const char	*dli_sname;	/* Symbol name */
     50  1.12   thorpej 	const void	*dli_saddr;	/* Symbol address */
     51   1.7        pk } Dl_info;
     52  1.14     bjh21 #endif /* defined(_NETBSD_SOURCE) */
     53   1.7        pk 
     54   1.1        pk /*
     55   1.1        pk  * User interface to the run-time linker.
     56   1.1        pk  */
     57   1.2        pk __BEGIN_DECLS
     58  1.17     perry void	*dlopen(const char *, int);
     59  1.17     perry int	dlclose(void *);
     60  1.17     perry void	*dlsym(void *, const char *);
     61  1.14     bjh21 #if defined(_NETBSD_SOURCE)
     62  1.17     perry int	dladdr(const void *, Dl_info *);
     63  1.17     perry int	dlctl(void *, int, void *);
     64   1.5    kleink #endif
     65  1.17     perry __aconst char *dlerror(void);
     66   1.2        pk __END_DECLS
     67   1.1        pk 
     68   1.1        pk /* Values for dlopen `mode'. */
     69   1.3        pk #define RTLD_LAZY	1
     70   1.3        pk #define RTLD_NOW	2
     71   1.4        pk #define RTLD_GLOBAL	0x100		/* Allow global searches in object */
     72   1.8        tv #define RTLD_LOCAL	0x200
     73  1.14     bjh21 #if defined(_NETBSD_SOURCE)
     74   1.4        pk #define DL_LAZY		RTLD_LAZY	/* Compat */
     75   1.5    kleink #endif
     76  1.15  christos 
     77  1.15  christos /*
     78  1.16     skrll  * Special handle arguments for dlsym().
     79  1.15  christos  */
     80  1.15  christos #define	RTLD_NEXT	((void *) -1)	/* Search subsequent objects. */
     81  1.15  christos #define	RTLD_DEFAULT	((void *) -2)	/* Use default search algorithm. */
     82  1.15  christos #define	RTLD_SELF	((void *) -3)	/* Search the caller itself. */
     83   1.1        pk 
     84   1.1        pk /*
     85   1.1        pk  * dlctl() commands
     86   1.1        pk  */
     87  1.14     bjh21 #if defined(_NETBSD_SOURCE)
     88   1.1        pk #define DL_GETERRNO	1
     89   1.7        pk #define DL_GETSYMBOL	2
     90   1.4        pk #if 0
     91   1.1        pk #define DL_SETSRCHPATH	x
     92   1.1        pk #define DL_GETLIST	x
     93   1.1        pk #define DL_GETREFCNT	x
     94   1.1        pk #define DL_GETLOADADDR	x
     95   1.5    kleink #endif /* 0 */
     96  1.14     bjh21 #endif /* defined(_NETBSD_SOURCE) */
     97   1.1        pk 
     98   1.5    kleink #endif /* !defined(_DLFCN_H_) */
     99