1 /* $XdotOrg: $ */ 2 /* $XFree86: xc/include/Xmd.h,v 3.18tsi Exp $ */ 3 /*********************************************************** 4 5 Copyright 1987, 1998 The Open Group 6 7 Permission to use, copy, modify, distribute, and sell this software and its 8 documentation for any purpose is hereby granted without fee, provided that 9 the above copyright notice appear in all copies and that both that 10 copyright notice and this permission notice appear in supporting 11 documentation. 12 13 The above copyright notice and this permission notice shall be included in 14 all copies or substantial portions of the Software. 15 16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 20 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 21 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 22 23 Except as contained in this notice, the name of The Open Group shall not be 24 used in advertising or otherwise to promote the sale, use or other dealings 25 in this Software without prior written authorization from The Open Group. 26 27 28 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. 29 30 All Rights Reserved 31 32 Permission to use, copy, modify, and distribute this software and its 33 documentation for any purpose and without fee is hereby granted, 34 provided that the above copyright notice appear in all copies and that 35 both that copyright notice and this permission notice appear in 36 supporting documentation, and that the name of Digital not be 37 used in advertising or publicity pertaining to distribution of the 38 software without specific, written prior permission. 39 40 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 41 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 42 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 43 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 44 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 45 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 46 SOFTWARE. 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 114 typedef long INT64; 115 typedef unsigned long CARD64; 116 #define B32 :32 117 #define B16 :16 118 #ifdef UNSIGNEDBITFIELDS 119 typedef unsigned int INT32; 120 typedef unsigned int INT16; 121 #else 122 #ifdef __STDC__ 123 typedef signed int INT32; 124 typedef signed int INT16; 125 #else 126 typedef int INT32; 127 typedef int INT16; 128 #endif 129 #endif 130 #else 131 #define B32 132 #define B16 133 #ifdef LONG64 134 typedef long INT64; 135 typedef int INT32; 136 #else 137 typedef long INT32; 138 #endif 139 typedef short INT16; 140 #endif 141 142 #if defined(__STDC__) || defined(sgi) || defined(_AIX) 143 typedef signed char INT8; 144 #else 145 typedef char INT8; 146 #endif 147 148 #ifdef LONG64 149 typedef unsigned long CARD64; 150 typedef unsigned int CARD32; 151 #else 152 typedef unsigned long CARD32; 153 #endif 154 #if !defined(WORD64) && !defined(LONG64) 155 typedef unsigned long long CARD64; 156 #endif 157 typedef unsigned short CARD16; 158 typedef unsigned char CARD8; 159 160 typedef CARD32 BITS32; 161 typedef CARD16 BITS16; 162 163 #ifndef I_NEED_OS2_H 164 typedef CARD8 BYTE; 165 typedef 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
