1/* $XdotOrg: $ */
2/* $XFree86: xc/include/Xmd.h,v 3.18tsi Exp $ */
3/***********************************************************
4
5Copyright 1987, 1998  The Open Group
6
7Permission to use, copy, modify, distribute, and sell this software and its
8documentation for any purpose is hereby granted without fee, provided that
9the above copyright notice appear in all copies and that both that
10copyright notice and this permission notice appear in supporting
11documentation.
12
13The above copyright notice and this permission notice shall be included in
14all copies or substantial portions of the Software.
15
16THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
19OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
20AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
23Except as contained in this notice, the name of The Open Group shall not be
24used in advertising or otherwise to promote the sale, use or other dealings
25in this Software without prior written authorization from The Open Group.
26
27
28Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
29
30                        All Rights Reserved
31
32Permission to use, copy, modify, and distribute this software and its
33documentation for any purpose and without fee is hereby granted,
34provided that the above copyright notice appear in all copies and that
35both that copyright notice and this permission notice appear in
36supporting documentation, and that the name of Digital not be
37used in advertising or publicity pertaining to distribution of the
38software without specific, written prior permission.
39
40DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
41ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
42DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
43ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
44WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
45ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
46SOFTWARE.
47
48******************************************************************/
49#ifndef XMD_H
50#define XMD_H 1
51/* $Xorg: Xmd.h,v 1.4 2001/02/09 02:03:22 xorgcvs Exp $ */
52/*
53 *  Xmd.h: MACHINE DEPENDENT DECLARATIONS.
54 */
55
56/*
57 * Special per-machine configuration flags.
58 */
59#if defined(sun) && defined(__SVR4)
60# include <sys/isa_defs.h> /* Solaris: defines _LP64 if necessary */
61#endif
62
63#ifdef CRAY
64#define WORD64				/* 64-bit architecture */
65#endif
66#if defined (_LP64) || \
67    defined(__alpha) || defined(__alpha__) || \
68    defined(__ia64__) || defined(ia64) || \
69    defined(__sparc64__) || \
70    defined(__s390x__) || \
71    (defined(__hppa__) && defined(__LP64__)) || \
72    defined(__amd64__) || defined(amd64) || \
73    defined(__powerpc64__) || \
74    (defined(sgi) && (_MIPS_SZLONG == 64))
75#define LONG64				/* 32/64-bit architecture */
76#endif
77
78/*
79 * Stuff to handle large architecture machines; the constants were generated
80 * on a 32-bit machine and must correspond to the protocol.
81 */
82#ifdef WORD64
83#define MUSTCOPY
84#endif /* WORD64 */
85
86
87/*
88 * Definition of macro used to set constants for size of network structures;
89 * machines with preprocessors that can't handle all of the sz_ symbols
90 * can define this macro to be sizeof(x) if and only if their compiler doesn't
91 * pad out structures (esp. the xTextElt structure which contains only two
92 * one-byte fields).  Network structures should always define sz_symbols.
93 *
94 * The sz_ prefix is used instead of something more descriptive so that the
95 * symbols are no more than 32 characters long (which causes problems for some
96 * compilers and preprocessors).
97 *
98 * The extra indirection in the __STDC__ case is to get macro arguments to
99 * expand correctly before the concatenation, rather than afterward.
100 */
101#if ((defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus)) && !defined(UNIXCPP)) || defined(ANSICPP)
102#define _SIZEOF(x) sz_##x
103#define SIZEOF(x) _SIZEOF(x)
104#else
105#define SIZEOF(x) sz_/**/x
106#endif /* if ANSI C compiler else not */
107
108/*
109 * Bitfield suffixes for the protocol structure elements, if you
110 * need them.  Note that bitfields are not guaranteed to be signed
111 * (or even unsigned) according to ANSI C.
112 */
113#ifdef WORD64
114typedef long INT64;
115typedef unsigned long CARD64;
116#define B32 :32
117#define B16 :16
118#ifdef UNSIGNEDBITFIELDS
119typedef unsigned int INT32;
120typedef unsigned int INT16;
121#else
122#ifdef __STDC__
123typedef signed int INT32;
124typedef signed int INT16;
125#else
126typedef int INT32;
127typedef int INT16;
128#endif
129#endif
130#else
131#define B32
132#define B16
133#ifdef LONG64
134typedef long INT64;
135typedef int INT32;
136#else
137typedef long INT32;
138#endif
139typedef short INT16;
140#endif
141
142#if defined(__STDC__) || defined(sgi) || defined(_AIX)
143typedef signed char    INT8;
144#else
145typedef char           INT8;
146#endif
147
148#ifdef LONG64
149typedef unsigned long CARD64;
150typedef unsigned int CARD32;
151#else
152typedef unsigned long CARD32;
153#endif
154#if !defined(WORD64) && !defined(LONG64)
155typedef unsigned long long CARD64;
156#endif
157typedef unsigned short CARD16;
158typedef unsigned char  CARD8;
159
160typedef CARD32		BITS32;
161typedef CARD16		BITS16;
162
163#ifndef I_NEED_OS2_H
164typedef CARD8		BYTE;
165typedef CARD8		BOOL;
166#else
167#define BYTE	CARD8
168#define BOOL	CARD8
169#endif
170
171/*
172 * definitions for sign-extending bitfields on 64-bit architectures
173 */
174#if defined(WORD64) && defined(UNSIGNEDBITFIELDS)
175#define cvtINT8toInt(val)   (((val) & 0x00000080) ? ((val) | 0xffffffffffffff00) : (val))
176#define cvtINT16toInt(val)  (((val) & 0x00008000) ? ((val) | 0xffffffffffff0000) : (val))
177#define cvtINT32toInt(val)  (((val) & 0x80000000) ? ((val) | 0xffffffff00000000) : (val))
178#define cvtINT8toShort(val)  cvtINT8toInt(val)
179#define cvtINT16toShort(val) cvtINT16toInt(val)
180#define cvtINT32toShort(val) cvtINT32toInt(val)
181#define cvtINT8toLong(val)  cvtINT8toInt(val)
182#define cvtINT16toLong(val) cvtINT16toInt(val)
183#define cvtINT32toLong(val) cvtINT32toInt(val)
184#else
185#define cvtINT8toInt(val) (val)
186#define cvtINT16toInt(val) (val)
187#define cvtINT32toInt(val) (val)
188#define cvtINT8toShort(val) (val)
189#define cvtINT16toShort(val) (val)
190#define cvtINT32toShort(val) (val)
191#define cvtINT8toLong(val) (val)
192#define cvtINT16toLong(val) (val)
193#define cvtINT32toLong(val) (val)
194#endif /* WORD64 and UNSIGNEDBITFIELDS */
195
196
197
198#ifdef MUSTCOPY
199/*
200 * This macro must not cast or else pointers will get aligned and be wrong
201 */
202#define NEXTPTR(p,t)  (((char *) p) + SIZEOF(t))
203#else /* else not MUSTCOPY, this is used for 32-bit machines */
204/*
205 * this version should leave result of type (t *), but that should only be
206 * used when not in MUSTCOPY
207 */
208#define NEXTPTR(p,t) (((t *)(p)) + 1)
209#endif /* MUSTCOPY - used machines whose C structs don't line up with proto */
210
211#endif /* XMD_H */
212