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dlfcn.h revision 1.25
      1  1.25     joerg /*	$NetBSD: dlfcn.h,v 1.25 2017/07/11 15:21:35 joerg 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  1.25     joerg #include <machine/ansi.h>
     38  1.25     joerg 
     39  1.25     joerg #ifdef	_BSD_SSIZE_T_
     40  1.25     joerg typedef	_BSD_SSIZE_T_	ssize_t;
     41  1.25     joerg #undef	_BSD_SSIZE_T_
     42  1.25     joerg #endif
     43   1.1        pk 
     44  1.14     bjh21 #if defined(_NETBSD_SOURCE)
     45   1.7        pk typedef struct _dl_info {
     46   1.7        pk 	const char	*dli_fname;	/* File defining the symbol */
     47   1.7        pk 	void		*dli_fbase;	/* Base address */
     48   1.7        pk 	const char	*dli_sname;	/* Symbol name */
     49  1.12   thorpej 	const void	*dli_saddr;	/* Symbol address */
     50   1.7        pk } Dl_info;
     51  1.14     bjh21 #endif /* defined(_NETBSD_SOURCE) */
     52   1.7        pk 
     53   1.1        pk /*
     54   1.1        pk  * User interface to the run-time linker.
     55   1.1        pk  */
     56   1.2        pk __BEGIN_DECLS
     57  1.24     joerg void *_dlauxinfo(void) __pure;
     58  1.24     joerg 
     59  1.17     perry void	*dlopen(const char *, int);
     60  1.17     perry int	dlclose(void *);
     61  1.18    kleink void	*dlsym(void * __restrict, const char * __restrict);
     62  1.14     bjh21 #if defined(_NETBSD_SOURCE)
     63  1.18    kleink int	dladdr(const void * __restrict, Dl_info * __restrict);
     64  1.17     perry int	dlctl(void *, int, void *);
     65  1.20     pooka int	dlinfo(void *, int, void *);
     66  1.23    nonaka void	*dlvsym(void * __restrict, const char * __restrict,
     67  1.23    nonaka 	    const char * __restrict);
     68  1.25     joerg void	__dl_cxa_refcount(void *, ssize_t);
     69   1.5    kleink #endif
     70  1.17     perry __aconst char *dlerror(void);
     71   1.2        pk __END_DECLS
     72   1.1        pk 
     73   1.1        pk /* Values for dlopen `mode'. */
     74   1.3        pk #define RTLD_LAZY	1
     75   1.3        pk #define RTLD_NOW	2
     76   1.4        pk #define RTLD_GLOBAL	0x100		/* Allow global searches in object */
     77   1.8        tv #define RTLD_LOCAL	0x200
     78  1.22     skrll #define RTLD_NODELETE	0x01000		/* Do not remove members. */
     79  1.22     skrll #define RTLD_NOLOAD	0x02000		/* Do not load if not already loaded. */
     80  1.14     bjh21 #if defined(_NETBSD_SOURCE)
     81   1.4        pk #define DL_LAZY		RTLD_LAZY	/* Compat */
     82   1.5    kleink #endif
     83  1.15  christos 
     84  1.15  christos /*
     85  1.16     skrll  * Special handle arguments for dlsym().
     86  1.15  christos  */
     87  1.15  christos #define	RTLD_NEXT	((void *) -1)	/* Search subsequent objects. */
     88  1.15  christos #define	RTLD_DEFAULT	((void *) -2)	/* Use default search algorithm. */
     89  1.15  christos #define	RTLD_SELF	((void *) -3)	/* Search the caller itself. */
     90   1.1        pk 
     91   1.1        pk /*
     92   1.1        pk  * dlctl() commands
     93   1.1        pk  */
     94  1.14     bjh21 #if defined(_NETBSD_SOURCE)
     95   1.1        pk #define DL_GETERRNO	1
     96   1.7        pk #define DL_GETSYMBOL	2
     97   1.4        pk #if 0
     98   1.1        pk #define DL_SETSRCHPATH	x
     99   1.1        pk #define DL_GETLIST	x
    100   1.1        pk #define DL_GETREFCNT	x
    101   1.1        pk #define DL_GETLOADADDR	x
    102   1.5    kleink #endif /* 0 */
    103  1.14     bjh21 #endif /* defined(_NETBSD_SOURCE) */
    104   1.1        pk 
    105  1.20     pooka /*
    106  1.20     pooka  * dlinfo() commands
    107  1.20     pooka  *
    108  1.21     skrll  * From Solaris: http://docs.sun.com/app/docs/doc/816-5168/dlinfo-3c?a=view
    109  1.20     pooka  */
    110  1.20     pooka #if defined(_NETBSD_SOURCE)
    111  1.20     pooka #define RTLD_DI_LINKMAP		3
    112  1.20     pooka #if 0
    113  1.20     pooka #define RTLD_DI_ARGSINFO	1
    114  1.20     pooka #define RTLD_DI_CONFIGADDR	2
    115  1.20     pooka #define RTLD_DI_LMID		4
    116  1.20     pooka #define RTLD_DI_SERINFO		5
    117  1.20     pooka #define RTLD_DI_SERINFOSIZE	6
    118  1.20     pooka #define RTLD_DI_ORIGIN		7
    119  1.20     pooka #define RTLD_DI_GETSIGNAL	8
    120  1.20     pooka #define RTLD_DI_SETSIGNAL	9
    121  1.20     pooka #endif
    122  1.20     pooka #endif /* _NETBSD_SOURCE */
    123  1.20     pooka 
    124   1.5    kleink #endif /* !defined(_DLFCN_H_) */
    125