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 81 /* 82 * Processor architecture 83 */ 84 85 #if defined(__i386__) /* gcc */ || defined(_M_IX86) /* msvc */ || defined(_X86_) || defined(__386__) || defined(i386) || defined(__i386) /* Sun cc */ 86 #define PIPE_ARCH_X86 87 #endif 88 89 #if defined(__x86_64__) /* gcc */ || defined(_M_X64) /* msvc */ || defined(_M_AMD64) /* msvc */ || defined(__x86_64) /* Sun cc */ 90 #define PIPE_ARCH_X86_64 91 #endif 92 93 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) 94 #if defined(PIPE_CC_GCC) && !defined(__SSE2__) 95 /* #warning SSE2 support requires -msse -msse2 compiler options */ 96 #else 97 #define PIPE_ARCH_SSE 98 #endif 99 #if defined(PIPE_CC_GCC) && (__GNUC__ * 100 + __GNUC_MINOR__) < 409 && !defined(__SSSE3__) 100 /* #warning SSE3 support requires -msse3 compiler options before GCC 4.9 */ 101 #else 102 #define PIPE_ARCH_SSSE3 103 #endif 104 #endif 105 106 #if defined(__ppc__) || defined(__ppc64__) || defined(__PPC__) 107 #define PIPE_ARCH_PPC 108 #if defined(__ppc64__) || defined(__PPC64__) 109 #define PIPE_ARCH_PPC_64 110 #endif 111 #endif 112 113 #if defined(__s390x__) 114 #define PIPE_ARCH_S390 115 #endif 116 117 #if defined(__arm__) 118 #define PIPE_ARCH_ARM 119 #endif 120 121 #if defined(__aarch64__) 122 #define PIPE_ARCH_AARCH64 123 #endif 124 125 /* 126 * Endian detection. 127 */ 128 129 #include "util/u_endian.h" 130 #if !defined(PIPE_ARCH_LITTLE_ENDIAN) && !defined(PIPE_ARCH_BIG_ENDIAN) 131 132 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) || defined(PIPE_ARCH_ARM) || defined(PIPE_ARCH_AARCH64) 133 #define PIPE_ARCH_LITTLE_ENDIAN 134 #elif defined(PIPE_ARCH_PPC) || defined(PIPE_ARCH_PPC_64) || defined(PIPE_ARCH_S390) 135 #define PIPE_ARCH_BIG_ENDIAN 136 #endif 137 138 #endif 139 140 #if !defined(PIPE_ARCH_LITTLE_ENDIAN) && !defined(PIPE_ARCH_BIG_ENDIAN) 141 #error Unknown Endianness 142 #endif 143 144 /* 145 * Auto-detect the operating system family. 146 * 147 * See subsystem below for a more fine-grained distinction. 148 */ 149 150 #if defined(__linux__) 151 #define PIPE_OS_LINUX 152 #define PIPE_OS_UNIX 153 #endif 154 155 /* 156 * Android defines __linux__ so PIPE_OS_LINUX and PIPE_OS_UNIX will also be 157 * defined. 158 */ 159 #if defined(ANDROID) 160 #define PIPE_OS_ANDROID 161 #endif 162 163 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) 164 #define PIPE_OS_FREEBSD 165 #define PIPE_OS_BSD 166 #define PIPE_OS_UNIX 167 #endif 168 169 #if defined(__OpenBSD__) 170 #define PIPE_OS_OPENBSD 171 #define PIPE_OS_BSD 172 #define PIPE_OS_UNIX 173 #endif 174 175 #if defined(__NetBSD__) 176 #define PIPE_OS_NETBSD 177 #define PIPE_OS_BSD 178 #define PIPE_OS_UNIX 179 #endif 180 181 #if defined(__DragonFly__) 182 #define PIPE_OS_DRAGONFLY 183 #define PIPE_OS_BSD 184 #define PIPE_OS_UNIX 185 #endif 186 187 #if defined(__GNU__) 188 #define PIPE_OS_HURD 189 #define PIPE_OS_UNIX 190 #endif 191 192 #if defined(__sun) 193 #define PIPE_OS_SOLARIS 194 #define PIPE_OS_UNIX 195 #endif 196 197 #if defined(__APPLE__) 198 #define PIPE_OS_APPLE 199 #define PIPE_OS_UNIX 200 #endif 201 202 #if defined(_WIN32) || defined(WIN32) 203 #define PIPE_OS_WINDOWS 204 #endif 205 206 #if defined(__HAIKU__) 207 #define PIPE_OS_HAIKU 208 #define PIPE_OS_UNIX 209 #endif 210 211 #if defined(__CYGWIN__) 212 #define PIPE_OS_CYGWIN 213 #define PIPE_OS_UNIX 214 #endif 215 216 /* 217 * Try to auto-detect the subsystem. 218 * 219 * NOTE: There is no way to auto-detect most of these. 220 */ 221 222 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) 223 #define PIPE_SUBSYSTEM_DRI 224 #endif /* PIPE_OS_LINUX || PIPE_OS_BSD || PIPE_OS_SOLARIS */ 225 226 #if defined(PIPE_OS_WINDOWS) 227 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER) 228 /* Windows User-space Library */ 229 #else 230 #define PIPE_SUBSYSTEM_WINDOWS_USER 231 #endif 232 #endif /* PIPE_OS_WINDOWS */ 233 234 235 #endif /* P_CONFIG_H_ */ 236