114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
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// This file is a part of Julia. License is MIT: https://julialang.org/license
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#ifndef PLATFORM_H
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#define PLATFORM_H
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/*
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* This file provides convenient macros to be used to identify the platform
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* based of compiler-specific pre-defined macros. It is based on the
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* information that can be found at the following address:
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*
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* http://sourceforge.net/p/predef/wiki/Home/
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*
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* Possible values include:
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* Compiler:
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* _COMPILER_CLANG_
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* _COMPILER_GCC_
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* _COMPILER_INTEL_
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* _COMPILER_MICROSOFT_
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* _COMPILER_MINGW_
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* OS:
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* _OS_FREEBSD_
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* _OS_LINUX_
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* _OS_WINDOWS_
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* _OS_DARWIN_
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*
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* CPU/Architecture:
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* _CPU_X86_
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* _CPU_X86_64_
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* _CPU_ARM_
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*/
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/*******************************************************************************
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* Compiler *
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*******************************************************************************/
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/*
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* Notes:
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*
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* 1. Checking for Intel's compiler should be done before checking for
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* Microsoft's. On Windows Intel's compiler also defines _MSC_VER as the
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* acknoledgement of the fact that it is integrated with Visual Studio.
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*
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* 2. Checking for MinGW should be done before checking for GCC as MinGW
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* pretends to be GCC.
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*/
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#if defined(__clang__)
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#define _COMPILER_CLANG_
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// Clang can also be used as a MinGW compiler
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#if defined(__MINGW32__)
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#define _COMPILER_MINGW_
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#endif
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#elif defined(__INTEL_COMPILER) || defined(__ICC)
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#define _COMPILER_INTEL_
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#elif defined(__MINGW32__)
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#define _COMPILER_MINGW_
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#elif defined(_MSC_VER)
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#define _COMPILER_MICROSOFT_
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#elif defined(__GNUC__)
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#define _COMPILER_GCC_
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#endif
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/*******************************************************************************
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* OS *
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*******************************************************************************/
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#if defined(__FreeBSD__)
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#define _OS_FREEBSD_
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#elif defined(__linux__)
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#define _OS_LINUX_
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#elif defined(_WIN32) || defined(_WIN64)
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#define _OS_WINDOWS_
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#elif defined(__APPLE__) && defined(__MACH__)
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#define _OS_DARWIN_
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#endif
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/*******************************************************************************
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* Architecture *
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*******************************************************************************/
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#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
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#define _CPU_X86_64_
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#elif defined(i386) || defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(_X86_)
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#define _CPU_X86_
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#elif defined(__aarch64__)
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#define _CPU_AARCH64_
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#elif defined(__arm__) || defined(_M_ARM)
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#define _CPU_ARM_
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#elif defined(__PPC64__)
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#define _CPU_PPC64_
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#elif defined(_ARCH_PPC)
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#define _CPU_PPC_
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#endif
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#if defined(_CPU_X86_64_)
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# define _P64
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#elif defined(_CPU_X86_)
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# define _P32
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#elif defined(_OS_WINDOWS_)
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/* Not sure how to determine pointer size on Windows running ARM. */
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# if _WIN64
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# define _P64
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# else
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# define _P32
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# endif
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#elif __SIZEOF_POINTER__ == 8
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# define _P64
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#elif __SIZEOF_POINTER__ == 4
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# define _P32
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#else
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# error pointer size not known for your platform / compiler
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#endif
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#endif /* !PLATFORM_H */
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