1 /************************************************************************** 2 * 3 * Copyright 2008 VMware, Inc. 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 VMWARE 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 <jfonseca@vmware.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 * - 1800: Visual Studio 2013 62 * - 1700: Visual Studio 2012 63 * - 1600: Visual Studio 2010 64 * - 1500: Visual Studio 2008 65 * - 1400: Visual C++ 2005 66 * - 1310: Visual C++ .NET 2003 67 * - 1300: Visual C++ .NET 2002 68 * 69 * __MSC__ seems to be an old macro -- it is not pre-defined on recent MSVC 70 * versions. 71 */ 72 #if defined(_MSC_VER) || defined(__MSC__) 73 #define PIPE_CC_MSVC 74 #endif 75 76 #if defined(__ICL) 77 #define PIPE_CC_ICL 78 #endif 79 80 #if defined(__SUNPRO_C) || defined(__SUNPRO_CC) 81 #define PIPE_CC_SUNPRO 82 #endif 83 84 85 /* 86 * Processor architecture 87 */ 88 89 #if defined(__i386__) /* gcc */ || defined(_M_IX86) /* msvc */ || defined(_X86_) || defined(__386__) || defined(i386) || defined(__i386) /* Sun cc */ 90 #define PIPE_ARCH_X86 91 #endif 92 93 #if defined(__x86_64__) /* gcc */ || defined(_M_X64) /* msvc */ || defined(_M_AMD64) /* msvc */ || defined(__x86_64) /* Sun cc */ 94 #define PIPE_ARCH_X86_64 95 #endif 96 97 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) 98 #if defined(PIPE_CC_GCC) && !defined(__SSE2__) 99 /* #warning SSE2 support requires -msse -msse2 compiler options */ 100 #else 101 #define PIPE_ARCH_SSE 102 #endif 103 #if defined(PIPE_CC_GCC) && !defined(__SSSE3__) 104 /* #warning SSE3 support requires -msse3 compiler options */ 105 #else 106 #define PIPE_ARCH_SSSE3 107 #endif 108 #endif 109 110 #if defined(__ppc__) || defined(__ppc64__) || defined(__PPC__) 111 #define PIPE_ARCH_PPC 112 #if defined(__ppc64__) || defined(__PPC64__) 113 #define PIPE_ARCH_PPC_64 114 #endif 115 #endif 116 117 #if defined(__s390x__) 118 #define PIPE_ARCH_S390 119 #endif 120 121 #if defined(__arm__) 122 #define PIPE_ARCH_ARM 123 #endif 124 125 #if defined(__aarch64__) 126 #define PIPE_ARCH_AARCH64 127 #endif 128 129 /* 130 * Endian detection. 131 */ 132 133 #ifdef __GLIBC__ 134 #include <endian.h> 135 136 #if __BYTE_ORDER == __LITTLE_ENDIAN 137 # define PIPE_ARCH_LITTLE_ENDIAN 138 #elif __BYTE_ORDER == __BIG_ENDIAN 139 # define PIPE_ARCH_BIG_ENDIAN 140 #endif 141 142 #elif defined(__APPLE__) 143 #include <machine/endian.h> 144 145 #if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN 146 # define PIPE_ARCH_LITTLE_ENDIAN 147 #elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN 148 # define PIPE_ARCH_BIG_ENDIAN 149 #endif 150 151 #elif defined(__sun) 152 #include <sys/isa_defs.h> 153 154 #if defined(_LITTLE_ENDIAN) 155 # define PIPE_ARCH_LITTLE_ENDIAN 156 #elif defined(_BIG_ENDIAN) 157 # define PIPE_ARCH_BIG_ENDIAN 158 #endif 159 160 #else 161 162 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) || defined(PIPE_ARCH_ARM) || defined(PIPE_ARCH_AARCH64) 163 #define PIPE_ARCH_LITTLE_ENDIAN 164 #elif defined(PIPE_ARCH_PPC) || defined(PIPE_ARCH_PPC_64) || defined(PIPE_ARCH_S390) 165 #define PIPE_ARCH_BIG_ENDIAN 166 #endif 167 168 #endif 169 170 #if !defined(PIPE_ARCH_LITTLE_ENDIAN) && !defined(PIPE_ARCH_BIG_ENDIAN) 171 #error Unknown Endianness 172 #endif 173 174 /* 175 * Auto-detect the operating system family. 176 * 177 * See subsystem below for a more fine-grained distinction. 178 */ 179 180 #if defined(__linux__) 181 #define PIPE_OS_LINUX 182 #define PIPE_OS_UNIX 183 #endif 184 185 /* 186 * Android defines __linux__ so PIPE_OS_LINUX and PIPE_OS_UNIX will also be 187 * defined. 188 */ 189 #if defined(ANDROID) 190 #define PIPE_OS_ANDROID 191 #endif 192 193 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) 194 #define PIPE_OS_FREEBSD 195 #define PIPE_OS_BSD 196 #define PIPE_OS_UNIX 197 #endif 198 199 #if defined(__OpenBSD__) 200 #define PIPE_OS_OPENBSD 201 #define PIPE_OS_BSD 202 #define PIPE_OS_UNIX 203 #endif 204 205 #if defined(__NetBSD__) 206 #define PIPE_OS_NETBSD 207 #define PIPE_OS_BSD 208 #define PIPE_OS_UNIX 209 #endif 210 211 #if defined(__GNU__) 212 #define PIPE_OS_HURD 213 #define PIPE_OS_UNIX 214 #endif 215 216 #if defined(__sun) 217 #define PIPE_OS_SOLARIS 218 #define PIPE_OS_UNIX 219 #endif 220 221 #if defined(__APPLE__) 222 #define PIPE_OS_APPLE 223 #define PIPE_OS_UNIX 224 #endif 225 226 #if defined(_WIN32) || defined(WIN32) 227 #define PIPE_OS_WINDOWS 228 #endif 229 230 #if defined(__HAIKU__) 231 #define PIPE_OS_HAIKU 232 #define PIPE_OS_UNIX 233 #endif 234 235 #if defined(__CYGWIN__) 236 #define PIPE_OS_CYGWIN 237 #define PIPE_OS_UNIX 238 #endif 239 240 /* 241 * Try to auto-detect the subsystem. 242 * 243 * NOTE: There is no way to auto-detect most of these. 244 */ 245 246 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) 247 #define PIPE_SUBSYSTEM_DRI 248 #endif /* PIPE_OS_LINUX || PIPE_OS_BSD || PIPE_OS_SOLARIS */ 249 250 #if defined(PIPE_OS_WINDOWS) 251 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER) 252 /* Windows User-space Library */ 253 #else 254 #define PIPE_SUBSYSTEM_WINDOWS_USER 255 #endif 256 #endif /* PIPE_OS_WINDOWS */ 257 258 259 #endif /* P_CONFIG_H_ */ 260