LLVM OpenMP* Runtime Library
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src
kmp_platform.h
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/*
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* kmp_platform.h -- header for determining operating system and architecture
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*/
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef KMP_PLATFORM_H
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#define KMP_PLATFORM_H
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/* ---------------------- Operating system recognition ------------------- */
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#define KMP_OS_LINUX 0
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#define KMP_OS_DRAGONFLY 0
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#define KMP_OS_FREEBSD 0
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#define KMP_OS_NETBSD 0
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#define KMP_OS_OPENBSD 0
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#define KMP_OS_DARWIN 0
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#define KMP_OS_WINDOWS 0
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#define KMP_OS_HAIKU 0
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#define KMP_OS_HURD 0
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#define KMP_OS_SOLARIS 0
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#define KMP_OS_WASI 0
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#define KMP_OS_EMSCRIPTEN 0
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#define KMP_OS_AIX 0
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#define KMP_OS_UNIX 0
/* disjunction of KMP_OS_LINUX, KMP_OS_DARWIN etc. */
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#ifdef _WIN32
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#undef KMP_OS_WINDOWS
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#define KMP_OS_WINDOWS 1
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#endif
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#if (defined __APPLE__ && defined __MACH__)
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#undef KMP_OS_DARWIN
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#define KMP_OS_DARWIN 1
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#endif
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// in some ppc64 linux installations, only the second condition is met
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#if (defined __linux)
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#undef KMP_OS_LINUX
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#define KMP_OS_LINUX 1
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#elif (defined __linux__)
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#undef KMP_OS_LINUX
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#define KMP_OS_LINUX 1
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#elif defined(__EMSCRIPTEN__)
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#undef KMP_OS_LINUX
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#undef KMP_OS_EMSCRIPTEN
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#define KMP_OS_LINUX 1
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#define KMP_OS_EMSCRIPTEN 1
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#else
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#endif
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#if (defined __DragonFly__)
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#undef KMP_OS_DRAGONFLY
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#define KMP_OS_DRAGONFLY 1
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#endif
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#if (defined __FreeBSD__)
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#undef KMP_OS_FREEBSD
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#define KMP_OS_FREEBSD 1
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#endif
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#if (defined __NetBSD__)
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#undef KMP_OS_NETBSD
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#define KMP_OS_NETBSD 1
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#endif
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#if (defined __OpenBSD__)
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#undef KMP_OS_OPENBSD
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#define KMP_OS_OPENBSD 1
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#endif
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#if (defined __HAIKU__)
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#undef KMP_OS_HAIKU
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#define KMP_OS_HAIKU 1
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#endif
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#if (defined __GNU__)
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#undef KMP_OS_HURD
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#define KMP_OS_HURD 1
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#endif
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#if (defined __sun__ && defined __svr4__)
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#undef KMP_OS_SOLARIS
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#define KMP_OS_SOLARIS 1
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#endif
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#if (defined __wasi__)
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#undef KMP_OS_WASI
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#define KMP_OS_WASI 1
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#endif
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#if (defined _AIX)
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#undef KMP_OS_AIX
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#define KMP_OS_AIX 1
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#endif
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#if (1 != KMP_OS_LINUX + KMP_OS_DRAGONFLY + KMP_OS_FREEBSD + KMP_OS_NETBSD + \
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KMP_OS_OPENBSD + KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HAIKU + \
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KMP_OS_HURD + KMP_OS_SOLARIS + KMP_OS_WASI + KMP_OS_AIX)
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#error Unknown OS
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#endif
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#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
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KMP_OS_OPENBSD || KMP_OS_DARWIN || KMP_OS_HAIKU || KMP_OS_HURD || \
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KMP_OS_SOLARIS || KMP_OS_WASI || KMP_OS_AIX
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#undef KMP_OS_UNIX
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#define KMP_OS_UNIX 1
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#endif
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/* ---------------------- Architecture recognition ------------------- */
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#define KMP_ARCH_X86 0
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#define KMP_ARCH_X86_64 0
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#define KMP_ARCH_AARCH64 0
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#define KMP_ARCH_AARCH64_32 0
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#define KMP_ARCH_ARM64EC 0
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#define KMP_ARCH_PPC64_ELFv1 0
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#define KMP_ARCH_PPC64_ELFv2 0
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#define KMP_ARCH_PPC64_XCOFF 0
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#define KMP_ARCH_PPC_XCOFF 0
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#define KMP_ARCH_PPC 0
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#define KMP_ARCH_MIPS 0
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#define KMP_ARCH_MIPS64 0
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#define KMP_ARCH_RISCV64 0
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#define KMP_ARCH_LOONGARCH64 0
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#define KMP_ARCH_VE 0
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#define KMP_ARCH_S390X 0
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#define KMP_ARCH_SPARC 0
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#if KMP_OS_WINDOWS
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#if defined(_M_ARM64EC) || defined(__arm64ec__)
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#undef KMP_ARCH_ARM64EC
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#define KMP_ARCH_ARM64EC 1
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#elif defined(_M_AMD64) || defined(__x86_64)
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#undef KMP_ARCH_X86_64
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#define KMP_ARCH_X86_64 1
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#elif defined(__aarch64__) || defined(_M_ARM64)
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#undef KMP_ARCH_AARCH64
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#define KMP_ARCH_AARCH64 1
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#elif defined(__arm__) || defined(_M_ARM)
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#undef KMP_ARCH_ARMV7
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#define KMP_ARCH_ARMV7 1
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#else
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#undef KMP_ARCH_X86
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#define KMP_ARCH_X86 1
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#endif
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#endif
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#if KMP_OS_UNIX
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#if defined __x86_64
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#undef KMP_ARCH_X86_64
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#define KMP_ARCH_X86_64 1
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#elif defined __i386
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#undef KMP_ARCH_X86
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#define KMP_ARCH_X86 1
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#elif defined __powerpc64__
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#if defined(_CALL_ELF)
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#if _CALL_ELF == 2
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#undef KMP_ARCH_PPC64_ELFv2
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#define KMP_ARCH_PPC64_ELFv2 1
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#else
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#undef KMP_ARCH_PPC64_ELFv1
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#define KMP_ARCH_PPC64_ELFv1 1
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#endif
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#elif KMP_OS_AIX
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#undef KMP_ARCH_PPC64_XCOFF
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#define KMP_ARCH_PPC64_XCOFF 1
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#endif
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#elif defined(__powerpc__) && KMP_OS_AIX
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#undef KMP_ARCH_PPC_XCOFF
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#define KMP_ARCH_PPC_XCOFF 1
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#undef KMP_ARCH_PPC
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#define KMP_ARCH_PPC 1
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#elif defined(__powerpc__) && !defined(__LP64__)
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#undef KMP_ARCH_PPC
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#define KMP_ARCH_PPC 1
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#elif defined __ARM64_ARCH_8_32__
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#undef KMP_ARCH_AARCH64_32
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#define KMP_ARCH_AARCH64_32 1
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#elif defined __aarch64__
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#undef KMP_ARCH_AARCH64
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#define KMP_ARCH_AARCH64 1
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#elif defined __mips__
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#if defined __mips64
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#undef KMP_ARCH_MIPS64
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#define KMP_ARCH_MIPS64 1
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#else
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#undef KMP_ARCH_MIPS
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#define KMP_ARCH_MIPS 1
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#endif
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#elif defined __riscv && __riscv_xlen == 64
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#undef KMP_ARCH_RISCV64
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#define KMP_ARCH_RISCV64 1
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#elif defined __loongarch__ && __loongarch_grlen == 64
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#undef KMP_ARCH_LOONGARCH64
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#define KMP_ARCH_LOONGARCH64 1
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#elif defined __ve__
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#undef KMP_ARCH_VE
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#define KMP_ARCH_VE 1
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#elif defined __s390x__
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#undef KMP_ARCH_S390X
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#define KMP_ARCH_S390X 1
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#elif defined __sparc || defined __sparc__
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#undef KMP_ARCH_SPARC
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#define KMP_ARCH_SPARC 1
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#endif
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#endif
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#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7R__) || \
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defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7VE__)
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#define KMP_ARCH_ARMV7 1
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#endif
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#if defined(KMP_ARCH_ARMV7) || defined(__ARM_ARCH_6__) || \
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defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \
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defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6T2__) || \
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defined(__ARM_ARCH_6ZK__)
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#define KMP_ARCH_ARMV6 1
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#endif
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#if defined(KMP_ARCH_ARMV6) || defined(__ARM_ARCH_5T__) || \
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defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \
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defined(__ARM_ARCH_5TEJ__)
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#define KMP_ARCH_ARMV5 1
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#endif
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#if defined(KMP_ARCH_ARMV5) || defined(__ARM_ARCH_4__) || \
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defined(__ARM_ARCH_4T__)
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#define KMP_ARCH_ARMV4 1
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#endif
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#if defined(KMP_ARCH_ARMV4) || defined(__ARM_ARCH_3__) || \
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defined(__ARM_ARCH_3M__)
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#define KMP_ARCH_ARMV3 1
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#endif
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#if defined(KMP_ARCH_ARMV3) || defined(__ARM_ARCH_2__)
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#define KMP_ARCH_ARMV2 1
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#endif
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#if defined(KMP_ARCH_ARMV2)
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#define KMP_ARCH_ARM 1
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#endif
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#if defined(__wasm32__)
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#define KMP_ARCH_WASM 1
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#endif
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#define KMP_ARCH_PPC64 \
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(KMP_ARCH_PPC64_ELFv2 || KMP_ARCH_PPC64_ELFv1 || KMP_ARCH_PPC64_XCOFF)
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#if defined(KMP_ARCH_SPARC)
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#undef KMP_ARCH_SPARC32
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#undef KMP_ARCH_SPARC64
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#if defined(__sparcv9) || defined(__sparc64__)
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#define KMP_ARCH_SPARC64 1
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#endif
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#if defined(__sparc) && !defined(__sparcv9) && !defined(__sparc64__)
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#define KMP_ARCH_SPARC32 1
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#endif
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#endif
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#if defined(__MIC__) || defined(__MIC2__)
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#define KMP_MIC 1
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#if __MIC2__ || __KNC__
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#define KMP_MIC1 0
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#define KMP_MIC2 1
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#else
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#define KMP_MIC1 1
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#define KMP_MIC2 0
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#endif
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#else
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#define KMP_MIC 0
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#define KMP_MIC1 0
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#define KMP_MIC2 0
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#endif
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/* Specify 32 bit architectures here */
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#define KMP_32_BIT_ARCH \
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(KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS || KMP_ARCH_WASM || \
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KMP_ARCH_PPC || KMP_ARCH_AARCH64_32 || KMP_ARCH_SPARC32)
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// Platforms which support Intel(R) Many Integrated Core Architecture
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#define KMP_MIC_SUPPORTED \
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((KMP_ARCH_X86 || KMP_ARCH_X86_64) && (KMP_OS_LINUX || KMP_OS_WINDOWS))
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// TODO: Fixme - This is clever, but really fugly
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#if (1 != KMP_ARCH_X86 + KMP_ARCH_X86_64 + KMP_ARCH_ARM + KMP_ARCH_PPC64 + \
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KMP_ARCH_AARCH64 + KMP_ARCH_MIPS + KMP_ARCH_MIPS64 + \
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KMP_ARCH_RISCV64 + KMP_ARCH_LOONGARCH64 + KMP_ARCH_VE + \
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KMP_ARCH_S390X + KMP_ARCH_WASM + KMP_ARCH_PPC + \
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KMP_ARCH_AARCH64_32 + KMP_ARCH_SPARC + KMP_ARCH_ARM64EC)
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#error Unknown or unsupported architecture
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#endif
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#endif
// KMP_PLATFORM_H
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