1/* 2 * kmp_platform.h -- header for determining operating system and architecture 3 */ 4 5//===----------------------------------------------------------------------===// 6// 7// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 8// See https://llvm.org/LICENSE.txt for license information. 9// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 10// 11//===----------------------------------------------------------------------===// 12 13#ifndef KMP_PLATFORM_H 14#define KMP_PLATFORM_H 15 16/* ---------------------- Operating system recognition ------------------- */ 17 18#define KMP_OS_LINUX 0 19#define KMP_OS_DRAGONFLY 0 20#define KMP_OS_FREEBSD 0 21#define KMP_OS_NETBSD 0 22#define KMP_OS_OPENBSD 0 23#define KMP_OS_DARWIN 0 24#define KMP_OS_WINDOWS 0 25#define KMP_OS_CNK 0 26#define KMP_OS_HURD 0 27#define KMP_OS_UNIX 0 /* disjunction of KMP_OS_LINUX, KMP_OS_DARWIN etc. */ 28 29#ifdef _WIN32 30#undef KMP_OS_WINDOWS 31#define KMP_OS_WINDOWS 1 32#endif 33 34#if (defined __APPLE__ && defined __MACH__) 35#undef KMP_OS_DARWIN 36#define KMP_OS_DARWIN 1 37#endif 38 39// in some ppc64 linux installations, only the second condition is met 40#if (defined __linux) 41#undef KMP_OS_LINUX 42#define KMP_OS_LINUX 1 43#elif (defined __linux__) 44#undef KMP_OS_LINUX 45#define KMP_OS_LINUX 1 46#else 47#endif 48 49#if (defined __DragonFly__) 50#undef KMP_OS_DRAGONFLY 51#define KMP_OS_DRAGONFLY 1 52#endif 53 54#if (defined __FreeBSD__) 55#undef KMP_OS_FREEBSD 56#define KMP_OS_FREEBSD 1 57#endif 58 59#if (defined __NetBSD__) 60#undef KMP_OS_NETBSD 61#define KMP_OS_NETBSD 1 62#endif 63 64#if (defined __OpenBSD__) 65#undef KMP_OS_OPENBSD 66#define KMP_OS_OPENBSD 1 67#endif 68 69#if (defined __bgq__) 70#undef KMP_OS_CNK 71#define KMP_OS_CNK 1 72#endif 73 74#if (defined __GNU__) 75#undef KMP_OS_HURD 76#define KMP_OS_HURD 1 77#endif 78 79#if (1 != \ 80 KMP_OS_LINUX + KMP_OS_DRAGONFLY + KMP_OS_FREEBSD + KMP_OS_NETBSD + \ 81 KMP_OS_OPENBSD + KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HURD) 82#error Unknown OS 83#endif 84 85#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \ 86 KMP_OS_OPENBSD || KMP_OS_DARWIN || KMP_OS_HURD 87#undef KMP_OS_UNIX 88#define KMP_OS_UNIX 1 89#endif 90 91/* ---------------------- Architecture recognition ------------------- */ 92 93#define KMP_ARCH_X86 0 94#define KMP_ARCH_X86_64 0 95#define KMP_ARCH_AARCH64 0 96#define KMP_ARCH_PPC64_ELFv1 0 97#define KMP_ARCH_PPC64_ELFv2 0 98#define KMP_ARCH_PPC64 (KMP_ARCH_PPC64_ELFv2 || KMP_ARCH_PPC64_ELFv1) 99#define KMP_ARCH_MIPS 0 100#define KMP_ARCH_MIPS64 0 101#define KMP_ARCH_RISCV64 0 102 103#if KMP_OS_WINDOWS 104#if defined(_M_AMD64) || defined(__x86_64) 105#undef KMP_ARCH_X86_64 106#define KMP_ARCH_X86_64 1 107#else 108#undef KMP_ARCH_X86 109#define KMP_ARCH_X86 1 110#endif 111#endif 112 113#if KMP_OS_UNIX 114#if defined __x86_64 115#undef KMP_ARCH_X86_64 116#define KMP_ARCH_X86_64 1 117#elif defined __i386 118#undef KMP_ARCH_X86 119#define KMP_ARCH_X86 1 120#elif defined __powerpc64__ 121#if defined(_CALL_ELF) && _CALL_ELF == 2 122#undef KMP_ARCH_PPC64_ELFv2 123#define KMP_ARCH_PPC64_ELFv2 1 124#else 125#undef KMP_ARCH_PPC64_ELFv1 126#define KMP_ARCH_PPC64_ELFv1 1 127#endif 128#elif defined __aarch64__ 129#undef KMP_ARCH_AARCH64 130#define KMP_ARCH_AARCH64 1 131#elif defined __mips__ 132#if defined __mips64 133#undef KMP_ARCH_MIPS64 134#define KMP_ARCH_MIPS64 1 135#else 136#undef KMP_ARCH_MIPS 137#define KMP_ARCH_MIPS 1 138#endif 139#elif defined __riscv && __riscv_xlen == 64 140#undef KMP_ARCH_RISCV64 141#define KMP_ARCH_RISCV64 1 142#endif 143#endif 144 145#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7R__) || \ 146 defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7VE__) 147#define KMP_ARCH_ARMV7 1 148#endif 149 150#if defined(KMP_ARCH_ARMV7) || defined(__ARM_ARCH_6__) || \ 151 defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \ 152 defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6T2__) || \ 153 defined(__ARM_ARCH_6ZK__) 154#define KMP_ARCH_ARMV6 1 155#endif 156 157#if defined(KMP_ARCH_ARMV6) || defined(__ARM_ARCH_5T__) || \ 158 defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \ 159 defined(__ARM_ARCH_5TEJ__) 160#define KMP_ARCH_ARMV5 1 161#endif 162 163#if defined(KMP_ARCH_ARMV5) || defined(__ARM_ARCH_4__) || \ 164 defined(__ARM_ARCH_4T__) 165#define KMP_ARCH_ARMV4 1 166#endif 167 168#if defined(KMP_ARCH_ARMV4) || defined(__ARM_ARCH_3__) || \ 169 defined(__ARM_ARCH_3M__) 170#define KMP_ARCH_ARMV3 1 171#endif 172 173#if defined(KMP_ARCH_ARMV3) || defined(__ARM_ARCH_2__) 174#define KMP_ARCH_ARMV2 1 175#endif 176 177#if defined(KMP_ARCH_ARMV2) 178#define KMP_ARCH_ARM 1 179#endif 180 181#if defined(__MIC__) || defined(__MIC2__) 182#define KMP_MIC 1 183#if __MIC2__ || __KNC__ 184#define KMP_MIC1 0 185#define KMP_MIC2 1 186#else 187#define KMP_MIC1 1 188#define KMP_MIC2 0 189#endif 190#else 191#define KMP_MIC 0 192#define KMP_MIC1 0 193#define KMP_MIC2 0 194#endif 195 196/* Specify 32 bit architectures here */ 197#define KMP_32_BIT_ARCH (KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS) 198 199// Platforms which support Intel(R) Many Integrated Core Architecture 200#define KMP_MIC_SUPPORTED \ 201 ((KMP_ARCH_X86 || KMP_ARCH_X86_64) && (KMP_OS_LINUX || KMP_OS_WINDOWS)) 202 203// TODO: Fixme - This is clever, but really fugly 204#if (1 != \ 205 KMP_ARCH_X86 + KMP_ARCH_X86_64 + KMP_ARCH_ARM + KMP_ARCH_PPC64 + \ 206 KMP_ARCH_AARCH64 + KMP_ARCH_MIPS + KMP_ARCH_MIPS64 + KMP_ARCH_RISCV64) 207#error Unknown or unsupported architecture 208#endif 209 210#endif // KMP_PLATFORM_H 211