/*
 * Copyright 1995-1998 by Metro Link, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Metro Link, Inc. not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  Metro Link, Inc. makes no
 * representations about the suitability of this software for any purpose.
 *  It is provided "as is" without express or implied warranty.
 *
 * METRO LINK, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL METRO LINK, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */
/*
 * Copyright (c) 1997-2001 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#ifndef _LOADER_H
#define _LOADER_H

#include <X11/Xosdefs.h>
#include <X11/Xfuncproto.h>
#include <X11/Xmd.h>

/* LoadModule proc flags; LD_FLAG_GLOBAL adds symbols to global
 * namespace, default is to keep symbols local to module. */
#define LD_FLAG_GLOBAL 1

typedef struct _loader *loaderPtr;

/* Each module loaded has a loaderRec */
typedef struct _loader {
    int handle;			/* Unique id used to remove symbols from
				 * this module when it is unloaded */
    int module;			/* Unique id to identify compilation units */
    char *name;
    char *cname;
    void *private;		/* format specific data */
    loaderPtr next;
} loaderRec;

/* Compiled-in version information */
typedef struct {
    int xf86Version;
    int ansicVersion;
    int videodrvVersion;
    int xinputVersion;
    int extensionVersion;
    int fontVersion;
} ModuleVersions;
extern const ModuleVersions LoaderVersionInfo;

extern unsigned long LoaderOptions;

/* Internal Functions */
void LoaderDuplicateSymbol(const char *, const int);
char *_LoaderModuleToName(int);
int LoaderOpen(const char *, const char *, int, int *, int *, int *, int);
int LoaderHandleOpen(int);

/* object to name lookup routines */
char *_LoaderHandleToName(int handle);
char *_LoaderHandleToCanonicalName(int handle);

/* Loader backends. */
#include "dlloader.h"

#endif /* _LOADER_H */
