diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/utils/compiler.h')
| -rw-r--r-- | comm/third_party/botan/src/lib/utils/compiler.h | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/utils/compiler.h b/comm/third_party/botan/src/lib/utils/compiler.h new file mode 100644 index 0000000000..832ab8f22c --- /dev/null +++ b/comm/third_party/botan/src/lib/utils/compiler.h @@ -0,0 +1,225 @@ +/* +* 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_GCC_VERSION +*/ +#if defined(__GNUC__) && !defined(__clang__) + #define BOTAN_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__ * 10 + __GNUC_PATCHLEVEL__) +#else + #define BOTAN_GCC_VERSION 0 +#endif + +/* +* Define BOTAN_CLANG_VERSION +*/ +#if defined(__clang__) + #define BOTAN_CLANG_VERSION (__clang_major__ * 10 + __clang_minor__) +#else + #define BOTAN_CLANG_VERSION 0 +#endif + +/* +* Define BOTAN_FUNC_ISA +*/ +#if (defined(__GNUC__) && !defined(__clang__)) || (BOTAN_CLANG_VERSION > 38) + #define BOTAN_FUNC_ISA(isa) __attribute__ ((target(isa))) +#else + #define BOTAN_FUNC_ISA(isa) +#endif + +/* +* Define BOTAN_WARN_UNUSED_RESULT +*/ +#if defined(__GNUC__) || defined(__clang__) + #define BOTAN_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result)) +#else + #define BOTAN_WARN_UNUSED_RESULT +#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_) + + #if defined(__clang__) + #define BOTAN_DEPRECATED(msg) __attribute__ ((deprecated(msg))) + #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(msg) __declspec(deprecated(msg)) + #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__) + /* msg supported since GCC 4.5, earliest we support is 4.8 */ + #define BOTAN_DEPRECATED(msg) __attribute__ ((deprecated(msg))) + #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_NORETURN +*/ +#if !defined(BOTAN_NORETURN) + + #if defined (__clang__) || defined (__GNUC__) + #define BOTAN_NORETURN __attribute__ ((__noreturn__)) + + #elif defined (_MSC_VER) + #define BOTAN_NORETURN __declspec(noreturn) + + #else + #define BOTAN_NORETURN + #endif + +#endif + +/* +* Define BOTAN_THREAD_LOCAL +*/ +#if !defined(BOTAN_THREAD_LOCAL) + + #if defined(BOTAN_TARGET_OS_HAS_THREADS) && defined(BOTAN_TARGET_OS_HAS_THREAD_LOCAL) + #define BOTAN_THREAD_LOCAL thread_local + #else + #define BOTAN_THREAD_LOCAL /**/ + #endif + +#endif + +/* +* Define BOTAN_IF_CONSTEXPR +*/ +#if !defined(BOTAN_IF_CONSTEXPR) + #if __cplusplus >= 201703 + #define BOTAN_IF_CONSTEXPR if constexpr + #else + #define BOTAN_IF_CONSTEXPR if + #endif +#endif + +/* +* Define BOTAN_PARALLEL_FOR +*/ +#if !defined(BOTAN_PARALLEL_FOR) + +#if defined(BOTAN_TARGET_HAS_OPENMP) + #define BOTAN_PARALLEL_FOR _Pragma("omp parallel for") for +#else + #define BOTAN_PARALLEL_FOR for +#endif + +#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) && (BOTAN_GCC_VERSION >= 490) + #define BOTAN_PARALLEL_SIMD_FOR _Pragma("GCC ivdep") for +#else + #define BOTAN_PARALLEL_SIMD_FOR for +#endif + +#endif + +#endif |