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