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 #endif 57 58 /* 59 * Meaning of _MSC_VER value: 60 * - 1800: Visual Studio 2013 61 * - 1700: Visual Studio 2012 62 * - 1600: Visual Studio 2010 63 * - 1500: Visual Studio 2008 64 * - 1400: Visual C++ 2005 65 * - 1310: Visual C++ .NET 2003 66 * - 1300: Visual C++ .NET 2002 67 * 68 * __MSC__ seems to be an old macro -- it is not pre-defined on recent MSVC 69 * versions. 70 */ 71 #if defined(_MSC_VER) || defined(__MSC__) 72 #define PIPE_CC_MSVC 73 #endif 74 75 #if defined(__ICL) 76 #define PIPE_CC_ICL 77 #endif 78 79 80 /* 81 * Processor architecture 82 */ 83 84 #if defined(__i386__) /* gcc */ || defined(_M_IX86) /* msvc */ || defined(_X86_) || defined(__386__) || defined(i386) || defined(__i386) /* Sun cc */ 85 #define PIPE_ARCH_X86 86 #endif 87 88 #if defined(__x86_64__) /* gcc */ || defined(_M_X64) /* msvc */ || defined(_M_AMD64) /* msvc */ || defined(__x86_64) /* Sun cc */ 89 #define PIPE_ARCH_X86_64 90 #endif 91 92 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) 93 #if defined(PIPE_CC_GCC) && !defined(__SSE2__) 94 /* #warning SSE2 support requires -msse -msse2 compiler options */ 95 #else 96 #define PIPE_ARCH_SSE 97 #endif 98 #if defined(PIPE_CC_GCC) && (__GNUC__ * 100 + __GNUC_MINOR__) < 409 && !defined(__SSSE3__) 99 /* #warning SSE3 support requires -msse3 compiler options before GCC 4.9 */ 100 #else 101 #define PIPE_ARCH_SSSE3 102 #endif 103 #endif 104 105 #if defined(__ppc__) || defined(__ppc64__) || defined(__PPC__) 106 #define PIPE_ARCH_PPC 107 #if defined(__ppc64__) || defined(__PPC64__) 108 #define PIPE_ARCH_PPC_64 109 #endif 110 #endif 111 112 #if defined(__s390x__) 113 #define PIPE_ARCH_S390 114 #endif 115 116 #if defined(__arm__) 117 #define PIPE_ARCH_ARM 118 #endif 119 120 #if defined(__aarch64__) 121 #define PIPE_ARCH_AARCH64 122 #endif 123 124 /* 125 * Endian detection. 126 */ 127 128 #include "util/u_endian.h" 129 #if !defined(PIPE_ARCH_LITTLE_ENDIAN) && !defined(PIPE_ARCH_BIG_ENDIAN) 130 131 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) || defined(PIPE_ARCH_ARM) || defined(PIPE_ARCH_AARCH64) 132 #define PIPE_ARCH_LITTLE_ENDIAN 133 #elif defined(PIPE_ARCH_PPC) || defined(PIPE_ARCH_PPC_64) || defined(PIPE_ARCH_S390) 134 #define PIPE_ARCH_BIG_ENDIAN 135 #endif 136 137 #endif 138 139 #if !defined(PIPE_ARCH_LITTLE_ENDIAN) && !defined(PIPE_ARCH_BIG_ENDIAN) 140 #error Unknown Endianness 141 #endif 142 143 /* 144 * Auto-detect the operating system family. 145 * 146 * See subsystem below for a more fine-grained distinction. 147 */ 148 149 #if defined(__linux__) 150 #define PIPE_OS_LINUX 151 #define PIPE_OS_UNIX 152 #endif 153 154 /* 155 * Android defines __linux__ so PIPE_OS_LINUX and PIPE_OS_UNIX will also be 156 * defined. 157 */ 158 #if defined(ANDROID) 159 #define PIPE_OS_ANDROID 160 #endif 161 162 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) 163 #define PIPE_OS_FREEBSD 164 #define PIPE_OS_BSD 165 #define PIPE_OS_UNIX 166 #endif 167 168 #if defined(__OpenBSD__) 169 #define PIPE_OS_OPENBSD 170 #define PIPE_OS_BSD 171 #define PIPE_OS_UNIX 172 #endif 173 174 #if defined(__NetBSD__) 175 #define PIPE_OS_NETBSD 176 #define PIPE_OS_BSD 177 #define PIPE_OS_UNIX 178 #endif 179 180 #if defined(__DragonFly__) 181 #define PIPE_OS_DRAGONFLY 182 #define PIPE_OS_BSD 183 #define PIPE_OS_UNIX 184 #endif 185 186 #if defined(__GNU__) 187 #define PIPE_OS_HURD 188 #define PIPE_OS_UNIX 189 #endif 190 191 #if defined(__sun) 192 #define PIPE_OS_SOLARIS 193 #define PIPE_OS_UNIX 194 #endif 195 196 #if defined(__APPLE__) 197 #define PIPE_OS_APPLE 198 #define PIPE_OS_UNIX 199 #endif 200 201 #if defined(_WIN32) || defined(WIN32) 202 #define PIPE_OS_WINDOWS 203 #endif 204 205 #if defined(__HAIKU__) 206 #define PIPE_OS_HAIKU 207 #define PIPE_OS_UNIX 208 #endif 209 210 #if defined(__CYGWIN__) 211 #define PIPE_OS_CYGWIN 212 #define PIPE_OS_UNIX 213 #endif 214 215 /* 216 * Try to auto-detect the subsystem. 217 * 218 * NOTE: There is no way to auto-detect most of these. 219 */ 220 221 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) 222 #define PIPE_SUBSYSTEM_DRI 223 #endif /* PIPE_OS_LINUX || PIPE_OS_BSD || PIPE_OS_SOLARIS */ 224 225 #if defined(PIPE_OS_WINDOWS) 226 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER) 227 /* Windows User-space Library */ 228 #else 229 #define PIPE_SUBSYSTEM_WINDOWS_USER 230 #endif 231 #endif /* PIPE_OS_WINDOWS */ 232 233 234 #endif /* P_CONFIG_H_ */ 235