1 /************************************************************************** 2 * 3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 /** 29 * @file 30 * Gallium configuration defines. 31 * 32 * This header file sets several defines based on the compiler, processor 33 * architecture, and operating system being used. These defines should be used 34 * throughout the code to facilitate porting to new platforms. It is likely that 35 * this file is auto-generated by an autoconf-like tool at some point, as some 36 * things cannot be determined by pre-defined environment alone. 37 * 38 * See also: 39 * - http://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html 40 * - echo | gcc -dM -E - | sort 41 * - http://msdn.microsoft.com/en-us/library/b0084kay.aspx 42 * 43 * @author José Fonseca <jrfonseca@tungstengraphics.com> 44 */ 45 46 #ifndef P_CONFIG_H_ 47 #define P_CONFIG_H_ 48 49 #include <limits.h> 50 /* 51 * Compiler 52 */ 53 54 #if defined(__GNUC__) 55 #define PIPE_CC_GCC 56 #define PIPE_CC_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) 57 #endif 58 59 /* 60 * Meaning of _MSC_VER value: 61 * - 1400: Visual C++ 2005 62 * - 1310: Visual C++ .NET 2003 63 * - 1300: Visual C++ .NET 2002 64 * 65 * __MSC__ seems to be an old macro -- it is not pre-defined on recent MSVC 66 * versions. 67 */ 68 #if defined(_MSC_VER) || defined(__MSC__) 69 #define PIPE_CC_MSVC 70 #endif 71 72 #if defined(__ICL) 73 #define PIPE_CC_ICL 74 #endif 75 76 77 /* 78 * Processor architecture 79 */ 80 81 #if defined(__i386__) /* gcc */ || defined(_M_IX86) /* msvc */ || defined(_X86_) || defined(__386__) || defined(i386) || defined(__i386) /* Sun cc */ 82 #define PIPE_ARCH_X86 83 #endif 84 85 #if defined(__x86_64__) /* gcc */ || defined(_M_X64) /* msvc */ || defined(_M_AMD64) /* msvc */ || defined(__x86_64) /* Sun cc */ 86 #define PIPE_ARCH_X86_64 87 #endif 88 89 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) 90 #if defined(PIPE_CC_GCC) && !defined(__SSE2__) 91 /* #warning SSE2 support requires -msse -msse2 compiler options */ 92 #else 93 #define PIPE_ARCH_SSE 94 #endif 95 #if defined(PIPE_CC_GCC) && !defined(__SSSE3__) 96 /* #warning SSE3 support requires -msse3 compiler options */ 97 #else 98 #define PIPE_ARCH_SSSE3 99 #endif 100 #endif 101 102 #if defined(__ppc__) || defined(__ppc64__) || defined(__PPC__) 103 #define PIPE_ARCH_PPC 104 #if defined(__ppc64__) || defined(__PPC64__) 105 #define PIPE_ARCH_PPC_64 106 #endif 107 #endif 108 109 110 /* 111 * Endian detection. 112 */ 113 114 #ifdef __GLIBC__ 115 #include <endian.h> 116 117 #if __BYTE_ORDER == __LITTLE_ENDIAN 118 # define PIPE_ARCH_LITTLE_ENDIAN 119 #elif __BYTE_ORDER == __BIG_ENDIAN 120 # define PIPE_ARCH_BIG_ENDIAN 121 #endif 122 123 #elif defined(__APPLE__) 124 #include <machine/endian.h> 125 126 #if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN 127 # define PIPE_ARCH_LITTLE_ENDIAN 128 #elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN 129 # define PIPE_ARCH_BIG_ENDIAN 130 #endif 131 132 #elif defined(__sun) 133 #include <sys/isa_defs.h> 134 135 #if defined(_LITTLE_ENDIAN) 136 # define PIPE_ARCH_LITTLE_ENDIAN 137 #elif defined(_BIG_ENDIAN) 138 # define PIPE_ARCH_BIG_ENDIAN 139 #endif 140 141 #else 142 143 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) 144 #define PIPE_ARCH_LITTLE_ENDIAN 145 #elif defined(PIPE_ARCH_PPC) || defined(PIPE_ARCH_PPC_64) 146 #define PIPE_ARCH_BIG_ENDIAN 147 #endif 148 149 #endif 150 151 #if !defined(PIPE_ARCH_LITTLE_ENDIAN) && !defined(PIPE_ARCH_BIG_ENDIAN) 152 #error Unknown Endianness 153 #endif 154 155 /* 156 * Auto-detect the operating system family. 157 * 158 * See subsystem below for a more fine-grained distinction. 159 */ 160 161 #if defined(__linux__) 162 #define PIPE_OS_LINUX 163 #define PIPE_OS_UNIX 164 #endif 165 166 /* 167 * Android defines __linux__ so PIPE_OS_LINUX and PIPE_OS_UNIX will also be 168 * defined. 169 */ 170 #if defined(ANDROID) 171 #define PIPE_OS_ANDROID 172 #endif 173 174 #if defined(__FreeBSD__) 175 #define PIPE_OS_FREEBSD 176 #define PIPE_OS_BSD 177 #define PIPE_OS_UNIX 178 #endif 179 180 #if defined(__OpenBSD__) 181 #define PIPE_OS_OPENBSD 182 #define PIPE_OS_BSD 183 #define PIPE_OS_UNIX 184 #endif 185 186 #if defined(__NetBSD__) 187 #define PIPE_OS_NETBSD 188 #define PIPE_OS_BSD 189 #define PIPE_OS_UNIX 190 #endif 191 192 #if defined(__GNU__) 193 #define PIPE_OS_HURD 194 #define PIPE_OS_UNIX 195 #endif 196 197 #if defined(__sun) 198 #define PIPE_OS_SOLARIS 199 #define PIPE_OS_UNIX 200 #endif 201 202 #if defined(__APPLE__) 203 #define PIPE_OS_APPLE 204 #define PIPE_OS_UNIX 205 #endif 206 207 #if defined(_WIN32) || defined(WIN32) 208 #define PIPE_OS_WINDOWS 209 #endif 210 211 #if defined(__HAIKU__) 212 #define PIPE_OS_HAIKU 213 #define PIPE_OS_UNIX 214 #endif 215 216 #if defined(__CYGWIN__) 217 #define PIPE_OS_CYGWIN 218 #define PIPE_OS_UNIX 219 #endif 220 221 /* 222 * Try to auto-detect the subsystem. 223 * 224 * NOTE: There is no way to auto-detect most of these. 225 */ 226 227 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) 228 #define PIPE_SUBSYSTEM_DRI 229 #endif /* PIPE_OS_LINUX || PIPE_OS_BSD || PIPE_OS_SOLARIS */ 230 231 #if defined(PIPE_OS_WINDOWS) 232 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER) 233 /* Windows User-space Library */ 234 #else 235 #define PIPE_SUBSYSTEM_WINDOWS_USER 236 #endif 237 #endif /* PIPE_OS_WINDOWS */ 238 239 240 #endif /* P_CONFIG_H_ */ 241