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_HURD 0 26#define KMP_OS_SOLARIS 0 27#define KMP_OS_WASI 0 28#define KMP_OS_UNIX 0 /* disjunction of KMP_OS_LINUX, KMP_OS_DARWIN etc. */ 29 30#ifdef _WIN32 31#undef KMP_OS_WINDOWS 32#define KMP_OS_WINDOWS 1 33#endif 34 35#if (defined __APPLE__ && defined __MACH__) 36#undef KMP_OS_DARWIN 37#define KMP_OS_DARWIN 1 38#endif 39 40// in some ppc64 linux installations, only the second condition is met 41#if (defined __linux) 42#undef KMP_OS_LINUX 43#define KMP_OS_LINUX 1 44#elif (defined __linux__) 45#undef KMP_OS_LINUX 46#define KMP_OS_LINUX 1 47#else 48#endif 49 50#if (defined __DragonFly__) 51#undef KMP_OS_DRAGONFLY 52#define KMP_OS_DRAGONFLY 1 53#endif 54 55#if (defined __FreeBSD__) 56#undef KMP_OS_FREEBSD 57#define KMP_OS_FREEBSD 1 58#endif 59 60#if (defined __NetBSD__) 61#undef KMP_OS_NETBSD 62#define KMP_OS_NETBSD 1 63#endif 64 65#if (defined __OpenBSD__) 66#undef KMP_OS_OPENBSD 67#define KMP_OS_OPENBSD 1 68#endif 69 70#if (defined __GNU__) 71#undef KMP_OS_HURD 72#define KMP_OS_HURD 1 73#endif 74 75#if (defined __sun__ && defined __svr4__) 76#undef KMP_OS_SOLARIS 77#define KMP_OS_SOLARIS 1 78#endif 79 80#if (defined __wasi__) || (defined __EMSCRIPTEN__) 81#undef KMP_OS_WASI 82#define KMP_OS_WASI 1 83#endif 84 85#if (defined _AIX) 86#undef KMP_OS_AIX 87#define KMP_OS_AIX 1 88#endif 89 90#if (1 != KMP_OS_LINUX + KMP_OS_DRAGONFLY + KMP_OS_FREEBSD + KMP_OS_NETBSD + \ 91 KMP_OS_OPENBSD + KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HURD + \ 92 KMP_OS_SOLARIS + KMP_OS_WASI + KMP_OS_AIX) 93#error Unknown OS 94#endif 95 96#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \ 97 KMP_OS_OPENBSD || KMP_OS_DARWIN || KMP_OS_HURD || KMP_OS_SOLARIS || \ 98 KMP_OS_WASI || KMP_OS_AIX 99#undef KMP_OS_UNIX 100#define KMP_OS_UNIX 1 101#endif 102 103/* ---------------------- Architecture recognition ------------------- */ 104 105#define KMP_ARCH_X86 0 106#define KMP_ARCH_X86_64 0 107#define KMP_ARCH_AARCH64 0 108#define KMP_ARCH_PPC64_ELFv1 0 109#define KMP_ARCH_PPC64_ELFv2 0 110#define KMP_ARCH_PPC64_XCOFF 0 111#define KMP_ARCH_PPC_XCOFF 0 112#define KMP_ARCH_MIPS 0 113#define KMP_ARCH_MIPS64 0 114#define KMP_ARCH_RISCV64 0 115#define KMP_ARCH_LOONGARCH64 0 116#define KMP_ARCH_VE 0 117#define KMP_ARCH_S390X 0 118 119#if KMP_OS_WINDOWS 120#if defined(_M_AMD64) || defined(__x86_64) 121#undef KMP_ARCH_X86_64 122#define KMP_ARCH_X86_64 1 123#elif defined(__aarch64__) || defined(_M_ARM64) 124#undef KMP_ARCH_AARCH64 125#define KMP_ARCH_AARCH64 1 126#elif defined(__arm__) || defined(_M_ARM) 127#undef KMP_ARCH_ARMV7 128#define KMP_ARCH_ARMV7 1 129#else 130#undef KMP_ARCH_X86 131#define KMP_ARCH_X86 1 132#endif 133#endif 134 135#if KMP_OS_UNIX 136#if defined __x86_64 137#undef KMP_ARCH_X86_64 138#define KMP_ARCH_X86_64 1 139#elif defined __i386 140#undef KMP_ARCH_X86 141#define KMP_ARCH_X86 1 142#elif defined __powerpc64__ 143#if defined(_CALL_ELF) 144#if _CALL_ELF == 2 145#undef KMP_ARCH_PPC64_ELFv2 146#define KMP_ARCH_PPC64_ELFv2 1 147#else 148#undef KMP_ARCH_PPC64_ELFv1 149#define KMP_ARCH_PPC64_ELFv1 1 150#endif 151#elif defined KMP_OS_AIX 152#undef KMP_ARCH_PPC64_XCOFF 153#define KMP_ARCH_PPC64_XCOFF 1 154#endif 155#elif defined(__powerpc__) && defined(KMP_OS_AIX) 156#undef KMP_ARCH_PPC_XCOFF 157#define KMP_ARCH_PPC_XCOFF 1 158#undef KMP_ARCH_PPC 159#define KMP_ARCH_PPC 1 160#elif defined __aarch64__ 161#undef KMP_ARCH_AARCH64 162#define KMP_ARCH_AARCH64 1 163#elif defined __mips__ 164#if defined __mips64 165#undef KMP_ARCH_MIPS64 166#define KMP_ARCH_MIPS64 1 167#else 168#undef KMP_ARCH_MIPS 169#define KMP_ARCH_MIPS 1 170#endif 171#elif defined __riscv && __riscv_xlen == 64 172#undef KMP_ARCH_RISCV64 173#define KMP_ARCH_RISCV64 1 174#elif defined __loongarch__ && __loongarch_grlen == 64 175#undef KMP_ARCH_LOONGARCH64 176#define KMP_ARCH_LOONGARCH64 1 177#elif defined __ve__ 178#undef KMP_ARCH_VE 179#define KMP_ARCH_VE 1 180#elif defined __s390x__ 181#undef KMP_ARCH_S390X 182#define KMP_ARCH_S390X 1 183#endif 184#endif 185 186#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7R__) || \ 187 defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7VE__) 188#define KMP_ARCH_ARMV7 1 189#endif 190 191#if defined(KMP_ARCH_ARMV7) || defined(__ARM_ARCH_6__) || \ 192 defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \ 193 defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6T2__) || \ 194 defined(__ARM_ARCH_6ZK__) 195#define KMP_ARCH_ARMV6 1 196#endif 197 198#if defined(KMP_ARCH_ARMV6) || defined(__ARM_ARCH_5T__) || \ 199 defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \ 200 defined(__ARM_ARCH_5TEJ__) 201#define KMP_ARCH_ARMV5 1 202#endif 203 204#if defined(KMP_ARCH_ARMV5) || defined(__ARM_ARCH_4__) || \ 205 defined(__ARM_ARCH_4T__) 206#define KMP_ARCH_ARMV4 1 207#endif 208 209#if defined(KMP_ARCH_ARMV4) || defined(__ARM_ARCH_3__) || \ 210 defined(__ARM_ARCH_3M__) 211#define KMP_ARCH_ARMV3 1 212#endif 213 214#if defined(KMP_ARCH_ARMV3) || defined(__ARM_ARCH_2__) 215#define KMP_ARCH_ARMV2 1 216#endif 217 218#if defined(KMP_ARCH_ARMV2) 219#define KMP_ARCH_ARM 1 220#endif 221 222#if defined(__wasm32__) 223#define KMP_ARCH_WASM 1 224#endif 225 226#define KMP_ARCH_PPC64 \ 227 (KMP_ARCH_PPC64_ELFv2 || KMP_ARCH_PPC64_ELFv1 || KMP_ARCH_PPC64_XCOFF) 228 229#if defined(__MIC__) || defined(__MIC2__) 230#define KMP_MIC 1 231#if __MIC2__ || __KNC__ 232#define KMP_MIC1 0 233#define KMP_MIC2 1 234#else 235#define KMP_MIC1 1 236#define KMP_MIC2 0 237#endif 238#else 239#define KMP_MIC 0 240#define KMP_MIC1 0 241#define KMP_MIC2 0 242#endif 243 244/* Specify 32 bit architectures here */ 245#define KMP_32_BIT_ARCH \ 246 (KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS || KMP_ARCH_WASM || \ 247 KMP_ARCH_PPC) 248 249// Platforms which support Intel(R) Many Integrated Core Architecture 250#define KMP_MIC_SUPPORTED \ 251 ((KMP_ARCH_X86 || KMP_ARCH_X86_64) && (KMP_OS_LINUX || KMP_OS_WINDOWS)) 252 253// TODO: Fixme - This is clever, but really fugly 254#if (1 != KMP_ARCH_X86 + KMP_ARCH_X86_64 + KMP_ARCH_ARM + KMP_ARCH_PPC64 + \ 255 KMP_ARCH_AARCH64 + KMP_ARCH_MIPS + KMP_ARCH_MIPS64 + \ 256 KMP_ARCH_RISCV64 + KMP_ARCH_LOONGARCH64 + KMP_ARCH_VE + \ 257 KMP_ARCH_S390X + KMP_ARCH_WASM + KMP_ARCH_PPC) 258#error Unknown or unsupported architecture 259#endif 260 261#endif // KMP_PLATFORM_H 262