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identify.c
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identify.c
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// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2018 Drew Richardson <[email protected]>
#include <stdio.h>
/*
* gcc: gcc/config/i386/i386-c.c
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/Architectures/
*
* __amd64
* __amd64__
* __x86_64
* __x86_64__
*
* x32:
* _ILP32
* __ILP32__
*
* https://msdn.microsoft.com/en-us/library/b0084kay.aspx
*
* _M_AMD64
* _M_X64
*/
#if defined(__x86_64__) || defined(_M_X64)
#define MACHINE "x86_64"
// Ignore x32 for now
/*
* gcc: gcc/config/i386/i386-c.c
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/Architectures/
*
* __i386
* __i386__ # Not in sun studio
* i386
*
* https://msdn.microsoft.com/en-us/library/b0084kay.aspx
*
* _M_IX86
*/
#elif defined(__i386) || defined(_M_IX86)
#define MACHINE "i686"
/*
* gcc: gcc/config/aarch64/aarch64.h
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/Architectures/
*
* __aarch64__
*
* https://msdn.microsoft.com/en-us/library/b0084kay.aspx
*
* _M_ARM64
*/
#elif defined(__aarch64__) || defined(_M_ARM64)
#define MACHINE "arm64"
/*
* gcc: gcc/config/arm/arm.h
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/Architectures/
*
* __arm # clang only
* __arm__
*
* https://msdn.microsoft.com/en-us/library/b0084kay.aspx
*
* _M_ARM
*/
#elif defined(__arm__) || defined(_M_ARM)
#define MACHINE "arm"
#else
#define MACHINE "unknown"
#endif
/*
* gcc: gcc/config/linux.h:
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/OperatingSystems/
*
* __linux
* __linux__
* __gnu_linux__ # glibc only
* linux
*/
#if defined(__linux__)
#define OS "linux"
#elif defined(__FreeBSD__)
/*
* gcc: gcc/config/freebsd-spec.h
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/OperatingSystems/
*
* __FreeBSD__
*/
#define OS "freebsd"
#elif defined(__OpenBSD__)
/*
* gcc: gcc/config/openbsd.h
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/OperatingSystems/
*
* __OpenBSD__
*/
#define OS "openbsd"
#elif defined(__NetBSD__)
/*
* gcc: gcc/config/netbsd.h
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/OperatingSystems/
*
* __NetBSD__
*/
#define OS "netbsd"
#elif defined(__DragonFly__)
/*
* gcc: gcc/config/dragonfly.h
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/OperatingSystems/
*
* __DragonFly__
*/
#define OS "dragonfly"
#elif defined(__minix)
/*
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/OperatingSystems/
*
* __minix
*/
#define OS "minix"
/*
* gcc: gcc/config/darwin-c.c
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/OperatingSystems/
*
* __APPLE__
* __MACH__
*/
#elif defined(__MACH__)
#define OS "darwin"
/*
* gcc: gcc/config/i386/mingw32.h
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/OperatingSystems/
*
* _WIN32
*/
#elif defined(_WIN32)
#define OS "windows"
/*
* gcc: gcc-5.4.0/gcc/config/i386/cygwin.h
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/OperatingSystems/
*
* __CYGWIN__
*/
#elif defined(__CYGWIN__)
#define OS "cygwin"
/*
* gcc: gcc/config/sol2.h
* clang(cfe): lib/Basic/Targets.cpp
* https://sourceforge.net/p/predef/wiki/OperatingSystems/
*
* sun
* __sun
*/
#elif defined(__sun)
#define OS "solaris"
#else
#define OS "unknown"
#endif
int main(void) {
puts("\n" "MACHINE=" MACHINE "\n");
puts("\n" "OS=" OS "\n");
return 0;
}