loader.h revision 05b261ec 
1/*
2 * Copyright 1995-1998 by Metro Link, Inc.
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that
7 * copyright notice and this permission notice appear in supporting
8 * documentation, and that the name of Metro Link, Inc. not be used in
9 * advertising or publicity pertaining to distribution of the software without
10 * specific, written prior permission.  Metro Link, Inc. makes no
11 * representations about the suitability of this software for any purpose.
12 *  It is provided "as is" without express or implied warranty.
13 *
14 * METRO LINK, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL METRO LINK, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20 * PERFORMANCE OF THIS SOFTWARE.
21 */
22/*
23 * Copyright (c) 1997-2001 by The XFree86 Project, Inc.
24 *
25 * Permission is hereby granted, free of charge, to any person obtaining a
26 * copy of this software and associated documentation files (the "Software"),
27 * to deal in the Software without restriction, including without limitation
28 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
29 * and/or sell copies of the Software, and to permit persons to whom the
30 * Software is furnished to do so, subject to the following conditions:
31 *
32 * The above copyright notice and this permission notice shall be included in
33 * all copies or substantial portions of the Software.
34 *
35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
36 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
37 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
38 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
39 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
40 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
41 * OTHER DEALINGS IN THE SOFTWARE.
42 *
43 * Except as contained in this notice, the name of the copyright holder(s)
44 * and author(s) shall not be used in advertising or otherwise to promote
45 * the sale, use or other dealings in this Software without prior written
46 * authorization from the copyright holder(s) and author(s).
47 */
48
49#ifdef HAVE_XORG_CONFIG_H
50#include <xorg-config.h>
51#endif
52
53#ifndef _LOADER_H
54#define _LOADER_H
55
56#if defined(Lynx) && defined(sun)
57#define const /**/
58#endif
59#include <X11/Xosdefs.h>
60#include <X11/Xfuncproto.h>
61#include <X11/Xmd.h>
62
63/* LoadModule proc flags; LD_FLAG_GLOBAL adds symbols to global
64 * namespace, default is to keep symbols local to module. */
65#define LD_FLAG_GLOBAL 1
66
67typedef struct _loader *loaderPtr;
68
69/* Each module loaded has a loaderRec */
70typedef struct _loader {
71    int handle;			/* Unique id used to remove symbols from
72				 * this module when it is unloaded */
73    int module;			/* Unique id to identify compilation units */
74    char *name;
75    char *cname;
76    void *private;		/* format specific data */
77    loaderPtr next;
78} loaderRec;
79
80/* Compiled-in version information */
81typedef struct {
82    int xf86Version;
83    int ansicVersion;
84    int videodrvVersion;
85    int xinputVersion;
86    int extensionVersion;
87    int fontVersion;
88} ModuleVersions;
89extern const ModuleVersions LoaderVersionInfo;
90
91extern unsigned long LoaderOptions;
92
93/* Internal Functions */
94void LoaderDuplicateSymbol(const char *, const int);
95char *_LoaderModuleToName(int);
96int LoaderOpen(const char *, const char *, int, int *, int *, int *, int);
97int LoaderHandleOpen(int);
98
99/* object to name lookup routines */
100char *_LoaderHandleToName(int handle);
101char *_LoaderHandleToCanonicalName(int handle);
102
103/* Loader backends. */
104#include "dlloader.h"
105
106#endif /* _LOADER_H */
107