Chris@101: /*
Chris@101:  * Distributed under the Boost Software License, Version 1.0.
Chris@101:  * (See accompanying file LICENSE_1_0.txt or copy at
Chris@101:  * http://www.boost.org/LICENSE_1_0.txt)
Chris@101:  *
Chris@101:  * Copyright (c) 2009 Helge Bahmann
Chris@101:  * Copyright (c) 2014 Andrey Semashev
Chris@101:  */
Chris@101: /*!
Chris@101:  * \file   atomic/detail/platform.hpp
Chris@101:  *
Chris@101:  * This header defines macros for the target platform detection
Chris@101:  */
Chris@16: 
Chris@101: #ifndef BOOST_ATOMIC_DETAIL_PLATFORM_HPP_INCLUDED_
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM_HPP_INCLUDED_
Chris@16: 
Chris@16: #include <boost/atomic/detail/config.hpp>
Chris@16: 
Chris@16: #ifdef BOOST_HAS_PRAGMA_ONCE
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@101: #if !defined(BOOST_ATOMIC_FORCE_FALLBACK)
Chris@16: 
Chris@101: // Compiler-based backends
Chris@101: #if ((defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 407)) ||\
Chris@101:     (defined(BOOST_CLANG) && ((__clang_major__ * 100 + __clang_minor__) >= 302))) &&\
Chris@101:     (\
Chris@101:         (__GCC_ATOMIC_BOOL_LOCK_FREE + 0) == 2 ||\
Chris@101:         (__GCC_ATOMIC_CHAR_LOCK_FREE + 0) == 2 ||\
Chris@101:         (__GCC_ATOMIC_SHORT_LOCK_FREE + 0) == 2 ||\
Chris@101:         (__GCC_ATOMIC_INT_LOCK_FREE + 0) == 2 ||\
Chris@101:         (__GCC_ATOMIC_LONG_LOCK_FREE + 0) == 2 ||\
Chris@101:         (__GCC_ATOMIC_LLONG_LOCK_FREE + 0) == 2\
Chris@101:     )
Chris@101: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM gcc_atomic
Chris@16: 
Chris@16: #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
Chris@16: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM gcc_x86
Chris@16: 
Chris@16: #elif defined(__GNUC__) && (defined(__POWERPC__) || defined(__PPC__))
Chris@16: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM gcc_ppc
Chris@16: 
Chris@16: // This list of ARM architecture versions comes from Apple's arm/arch.h header.
Chris@16: // I don't know how complete it is.
Chris@101: #elif defined(__GNUC__) &&\
Chris@101:     (\
Chris@101:         defined(__ARM_ARCH_6__)  || defined(__ARM_ARCH_6J__) ||\
Chris@101:         defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) ||\
Chris@101:         defined(__ARM_ARCH_6ZK__) ||\
Chris@101:         defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) ||\
Chris@101:         defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) ||\
Chris@101:         defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7S__)\
Chris@101:     )
Chris@16: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM gcc_arm
Chris@16: 
Chris@16: #elif defined(__GNUC__) && defined(__sparc_v9__)
Chris@16: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM gcc_sparc
Chris@101: 
Chris@101: #elif defined(__GNUC__) && defined(__alpha__)
Chris@101: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM gcc_alpha
Chris@101: 
Chris@101: #elif defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 401) &&\
Chris@101:     (\
Chris@101:         defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1) ||\
Chris@101:         defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2) ||\
Chris@101:         defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) ||\
Chris@101:         defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8) ||\
Chris@101:         defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)\
Chris@101:     )
Chris@101: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM gcc_sync
Chris@101: 
Chris@101: #elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
Chris@101: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM msvc_x86
Chris@101: 
Chris@101: #elif defined(_MSC_VER) && _MSC_VER >= 1700 && defined(_M_ARM)
Chris@101: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM msvc_arm
Chris@101: 
Chris@101: #endif
Chris@101: 
Chris@101: // OS-based backends
Chris@101: #if !defined(BOOST_ATOMIC_DETAIL_PLATFORM)
Chris@101: 
Chris@101: #if defined(__linux__) && defined(__arm__)
Chris@101: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM linux_arm
Chris@16: 
Chris@16: #elif defined(BOOST_WINDOWS) || defined(_WIN32_CE)
Chris@16: 
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM windows
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@101: #endif // !defined(BOOST_ATOMIC_DETAIL_PLATFORM)
Chris@101: 
Chris@101: #endif // !defined(BOOST_ATOMIC_FORCE_FALLBACK)
Chris@101: 
Chris@101: #if !defined(BOOST_ATOMIC_DETAIL_PLATFORM)
Chris@101: #define BOOST_ATOMIC_DETAIL_PLATFORM emulated
Chris@101: #define BOOST_ATOMIC_EMULATED
Chris@16: #endif
Chris@101: 
Chris@101: #define BOOST_ATOMIC_DETAIL_HEADER(prefix) <BOOST_JOIN(prefix, BOOST_ATOMIC_DETAIL_PLATFORM).hpp>
Chris@101: 
Chris@101: #endif // BOOST_ATOMIC_DETAIL_PLATFORM_HPP_INCLUDED_