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