1 /* 2 * Distributed under the Boost Software License, Version 1.0. 3 * (See accompanying file LICENSE_1_0.txt or copy at 4 * http://www.boost.org/LICENSE_1_0.txt) 5 * 6 * Copyright (c) 2020 Andrey Semashev 7 */ 8 /*! 9 * \file atomic/detail/caps_arch_gcc_aarch32.hpp 10 * 11 * This header defines feature capabilities macros 12 */ 13 14 #ifndef BOOST_ATOMIC_DETAIL_CAPS_ARCH_GCC_AARCH32_HPP_INCLUDED_ 15 #define BOOST_ATOMIC_DETAIL_CAPS_ARCH_GCC_AARCH32_HPP_INCLUDED_ 16 17 #include <boost/atomic/detail/config.hpp> 18 19 #ifdef BOOST_HAS_PRAGMA_ONCE 20 #pragma once 21 #endif 22 23 #if defined(__ARMEL__) || \ 24 (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) || \ 25 (defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)) || \ 26 defined(BOOST_WINDOWS) 27 #define BOOST_ATOMIC_DETAIL_AARCH32_LITTLE_ENDIAN 28 #elif defined(__ARMEB__) || \ 29 defined(__ARM_BIG_ENDIAN) || \ 30 (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) || \ 31 (defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)) 32 #define BOOST_ATOMIC_DETAIL_AARCH32_BIG_ENDIAN 33 #else 34 #error "Boost.Atomic: Failed to determine AArch32 endianness, the target platform is not supported. Please, report to the developers (patches are welcome)." 35 #endif 36 37 #define BOOST_ATOMIC_INT8_LOCK_FREE 2 38 #define BOOST_ATOMIC_INT16_LOCK_FREE 2 39 #define BOOST_ATOMIC_INT32_LOCK_FREE 2 40 #define BOOST_ATOMIC_INT64_LOCK_FREE 2 41 #define BOOST_ATOMIC_POINTER_LOCK_FREE 2 42 43 #define BOOST_ATOMIC_THREAD_FENCE 2 44 #define BOOST_ATOMIC_SIGNAL_FENCE 2 45 46 #endif // BOOST_ATOMIC_DETAIL_CAPS_ARCH_GCC_AARCH32_HPP_INCLUDED_ 47