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dlfcn.h revision 1.18.18.1 
      1  1.18.18.1      yamt /*	$NetBSD: dlfcn.h,v 1.18.18.1 2008/05/18 12:30:09 yamt 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  *
     19        1.9        pk  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20        1.9        pk  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21        1.9        pk  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22        1.9        pk  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23        1.9        pk  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24        1.9        pk  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25        1.9        pk  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26        1.9        pk  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27        1.9        pk  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28        1.9        pk  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29        1.9        pk  * POSSIBILITY OF SUCH DAMAGE.
     30        1.1        pk  */
     31        1.1        pk 
     32        1.1        pk #ifndef _DLFCN_H_
     33        1.1        pk #define _DLFCN_H_
     34        1.1        pk 
     35       1.14     bjh21 #include <sys/featuretest.h>
     36        1.1        pk #include <sys/cdefs.h>
     37        1.1        pk 
     38       1.14     bjh21 #if defined(_NETBSD_SOURCE)
     39        1.7        pk typedef struct _dl_info {
     40        1.7        pk 	const char	*dli_fname;	/* File defining the symbol */
     41        1.7        pk 	void		*dli_fbase;	/* Base address */
     42        1.7        pk 	const char	*dli_sname;	/* Symbol name */
     43       1.12   thorpej 	const void	*dli_saddr;	/* Symbol address */
     44        1.7        pk } Dl_info;
     45       1.14     bjh21 #endif /* defined(_NETBSD_SOURCE) */
     46        1.7        pk 
     47        1.1        pk /*
     48        1.1        pk  * User interface to the run-time linker.
     49        1.1        pk  */
     50        1.2        pk __BEGIN_DECLS
     51       1.17     perry void	*dlopen(const char *, int);
     52       1.17     perry int	dlclose(void *);
     53       1.18    kleink void	*dlsym(void * __restrict, const char * __restrict);
     54       1.14     bjh21 #if defined(_NETBSD_SOURCE)
     55       1.18    kleink int	dladdr(const void * __restrict, Dl_info * __restrict);
     56       1.17     perry int	dlctl(void *, int, void *);
     57        1.5    kleink #endif
     58       1.17     perry __aconst char *dlerror(void);
     59        1.2        pk __END_DECLS
     60        1.1        pk 
     61        1.1        pk /* Values for dlopen `mode'. */
     62        1.3        pk #define RTLD_LAZY	1
     63        1.3        pk #define RTLD_NOW	2
     64        1.4        pk #define RTLD_GLOBAL	0x100		/* Allow global searches in object */
     65        1.8        tv #define RTLD_LOCAL	0x200
     66       1.14     bjh21 #if defined(_NETBSD_SOURCE)
     67        1.4        pk #define DL_LAZY		RTLD_LAZY	/* Compat */
     68        1.5    kleink #endif
     69       1.15  christos 
     70       1.15  christos /*
     71       1.16     skrll  * Special handle arguments for dlsym().
     72       1.15  christos  */
     73       1.15  christos #define	RTLD_NEXT	((void *) -1)	/* Search subsequent objects. */
     74       1.15  christos #define	RTLD_DEFAULT	((void *) -2)	/* Use default search algorithm. */
     75       1.15  christos #define	RTLD_SELF	((void *) -3)	/* Search the caller itself. */
     76        1.1        pk 
     77        1.1        pk /*
     78        1.1        pk  * dlctl() commands
     79        1.1        pk  */
     80       1.14     bjh21 #if defined(_NETBSD_SOURCE)
     81        1.1        pk #define DL_GETERRNO	1
     82        1.7        pk #define DL_GETSYMBOL	2
     83        1.4        pk #if 0
     84        1.1        pk #define DL_SETSRCHPATH	x
     85        1.1        pk #define DL_GETLIST	x
     86        1.1        pk #define DL_GETREFCNT	x
     87        1.1        pk #define DL_GETLOADADDR	x
     88        1.5    kleink #endif /* 0 */
     89       1.14     bjh21 #endif /* defined(_NETBSD_SOURCE) */
     90        1.1        pk 
     91        1.5    kleink #endif /* !defined(_DLFCN_H_) */
     92