LCOM1920-T02G10

/*        $NetBSD: dlfcn.h,v 1.24 2012/02/16 23:00:39 joerg 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.

 *

 * 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 *_dlauxinfo(void) __pure;

void        *dlopen(const char *, int);

int        dlclose(void *);

void        *dlsym(void * __restrict, const char * __restrict);

#if defined(_NETBSD_SOURCE)

int        dladdr(const void * __restrict, Dl_info * __restrict);

int        dlctl(void *, int, void *);

int        dlinfo(void *, int, void *);

void        *dlvsym(void * __restrict, const char * __restrict,

            const char * __restrict);

#endif

__aconst char *dlerror(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

#define RTLD_NODELETE        0x01000                /* Do not remove members. */

#define RTLD_NOLOAD        0x02000                /* Do not load if not already loaded. */

#if defined(_NETBSD_SOURCE)

#define DL_LAZY                RTLD_LAZY        /* Compat */

#endif

/* 

 * Special handle arguments for dlsym().

 */   

#define        RTLD_NEXT        ((void *) -1)        /* Search subsequent objects. */

#define        RTLD_DEFAULT        ((void *) -2)        /* Use default search algorithm. */

#define        RTLD_SELF        ((void *) -3)        /* Search the caller itself. */

/*

 * 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) */

/*

 * dlinfo() commands

 *

 * From Solaris: http://docs.sun.com/app/docs/doc/816-5168/dlinfo-3c?a=view

 */

#if defined(_NETBSD_SOURCE)

#define RTLD_DI_LINKMAP                3

#if 0

#define RTLD_DI_ARGSINFO        1

#define RTLD_DI_CONFIGADDR        2

#define RTLD_DI_LMID                4

#define RTLD_DI_SERINFO                5

#define RTLD_DI_SERINFOSIZE        6

#define RTLD_DI_ORIGIN                7

#define RTLD_DI_GETSIGNAL        8

#define RTLD_DI_SETSIGNAL        9

#endif

#endif /* _NETBSD_SOURCE */

#endif /* !defined(_DLFCN_H_) */