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/*
* Define useful compiler-specific macros
* (C) 2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
/* This header is included in both C++ and C (via ffi.h) and should only
contain macro definitions. Avoid C++ style // comments in this file.
*/
#ifndef BOTAN_UTIL_COMPILER_FLAGS_H_
#define BOTAN_UTIL_COMPILER_FLAGS_H_
/* Should we use GCC-style inline assembler? */
#if defined(BOTAN_BUILD_COMPILER_IS_GCC) || \
defined(BOTAN_BUILD_COMPILER_IS_CLANG) || \
defined(BOTAN_BUILD_COMPILER_IS_XLC) || \
defined(BOTAN_BUILD_COMPILER_IS_SUN_STUDIO)
#define BOTAN_USE_GCC_INLINE_ASM
#endif
/**
* Used to annotate API exports which are public and supported.
* These APIs will not be broken/removed unless strictly required for
* functionality or security, and only in new major versions.
* @param maj The major version this public API was released in
* @param min The minor version this public API was released in
*/
#define BOTAN_PUBLIC_API(maj,min) BOTAN_DLL
/**
* Used to annotate API exports which are public, but are now deprecated
* and which will be removed in a future major release.
*/
#define BOTAN_DEPRECATED_API(msg) BOTAN_DLL BOTAN_DEPRECATED(msg)
/**
* Used to annotate API exports which are public and can be used by
* applications if needed, but which are intentionally not documented,
* and which may change incompatibly in a future major version.
*/
#define BOTAN_UNSTABLE_API BOTAN_DLL
/**
* Used to annotate API exports which are exported but only for the
* purposes of testing. They should not be used by applications and
* may be removed or changed without notice.
*/
#define BOTAN_TEST_API BOTAN_DLL
/*
* Define BOTAN_FUNC_ISA
*/
#if defined(__GNUC__) || defined(__clang__)
#define BOTAN_FUNC_ISA(isa) __attribute__ ((target(isa)))
#else
#define BOTAN_FUNC_ISA(isa)
#endif
/*
* Define BOTAN_MALLOC_FN
*/
#if defined(__ibmxl__)
/* XLC pretends to be both Clang and GCC, but is neither */
#define BOTAN_MALLOC_FN __attribute__ ((malloc))
#elif defined(__GNUC__)
#define BOTAN_MALLOC_FN __attribute__ ((malloc, alloc_size(1,2)))
#elif defined(_MSC_VER)
#define BOTAN_MALLOC_FN __declspec(restrict)
#else
#define BOTAN_MALLOC_FN
#endif
/*
* Define BOTAN_DEPRECATED
*/
#if !defined(BOTAN_NO_DEPRECATED_WARNINGS) && !defined(BOTAN_IS_BEING_BUILT) && !defined(BOTAN_AMALGAMATION_H_)
#define BOTAN_DEPRECATED(msg) [[deprecated(msg)]]
#if defined(__clang__)
#define BOTAN_DEPRECATED_HEADER(hdr) _Pragma("message \"this header is deprecated\"")
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr) _Pragma("message \"this header will be made internal in the future\"")
#elif defined(_MSC_VER)
#define BOTAN_DEPRECATED_HEADER(hdr) __pragma(message("this header is deprecated"))
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr) __pragma(message("this header will be made internal in the future"))
#elif defined(__GNUC__)
#define BOTAN_DEPRECATED_HEADER(hdr) _Pragma("GCC warning \"this header is deprecated\"")
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr) _Pragma("GCC warning \"this header will be made internal in the future\"")
#endif
#endif
#if !defined(BOTAN_DEPRECATED)
#define BOTAN_DEPRECATED(msg)
#endif
#if !defined(BOTAN_DEPRECATED_HEADER)
#define BOTAN_DEPRECATED_HEADER(hdr)
#endif
#if !defined(BOTAN_FUTURE_INTERNAL_HEADER)
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
#endif
/*
* Define BOTAN_FORCE_INLINE
*/
#if !defined(BOTAN_FORCE_INLINE)
#if defined (__clang__) || defined (__GNUC__)
#define BOTAN_FORCE_INLINE __attribute__ ((__always_inline__)) inline
#elif defined (_MSC_VER)
#define BOTAN_FORCE_INLINE __forceinline
#else
#define BOTAN_FORCE_INLINE inline
#endif
#endif
/*
* Define BOTAN_PARALLEL_SIMD_FOR
*/
#if !defined(BOTAN_PARALLEL_SIMD_FOR)
#if defined(BOTAN_TARGET_HAS_OPENMP)
#define BOTAN_PARALLEL_SIMD_FOR _Pragma("omp simd") for
#elif defined(BOTAN_BUILD_COMPILER_IS_GCC)
#define BOTAN_PARALLEL_SIMD_FOR _Pragma("GCC ivdep") for
#else
#define BOTAN_PARALLEL_SIMD_FOR for
#endif
#endif
#endif
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