llvm-project/libcxxabi/include/__cxxabi_config.h

88 lines
2.7 KiB
C

//===-------------------------- __cxxabi_config.h -------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef ____CXXABI_CONFIG_H
#define ____CXXABI_CONFIG_H
#if defined(__arm__) && !defined(__USING_SJLJ_EXCEPTIONS__) && \
!defined(__ARM_DWARF_EH__)
#define _LIBCXXABI_ARM_EHABI
#endif
#if !defined(__has_attribute)
#define __has_attribute(_attribute_) 0
#endif
#if defined(_WIN32)
#if defined(_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS)
#define _LIBCXXABI_HIDDEN
#define _LIBCXXABI_DATA_VIS
#define _LIBCXXABI_FUNC_VIS
#define _LIBCXXABI_TYPE_VIS
#elif defined(_LIBCXXABI_BUILDING_LIBRARY)
#define _LIBCXXABI_HIDDEN
#define _LIBCXXABI_DATA_VIS __declspec(dllexport)
#define _LIBCXXABI_FUNC_VIS __declspec(dllexport)
#define _LIBCXXABI_TYPE_VIS __declspec(dllexport)
#else
#define _LIBCXXABI_HIDDEN
#define _LIBCXXABI_DATA_VIS __declspec(dllimport)
#define _LIBCXXABI_FUNC_VIS __declspec(dllimport)
#define _LIBCXXABI_TYPE_VIS __declspec(dllimport)
#endif
#else
#if !defined(_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS)
#define _LIBCXXABI_HIDDEN __attribute__((__visibility__("hidden")))
#define _LIBCXXABI_DATA_VIS __attribute__((__visibility__("default")))
#define _LIBCXXABI_FUNC_VIS __attribute__((__visibility__("default")))
#if __has_attribute(__type_visibility__)
#define _LIBCXXABI_TYPE_VIS __attribute__((__type_visibility__("default")))
#else
#define _LIBCXXABI_TYPE_VIS __attribute__((__visibility__("default")))
#endif
#else
#define _LIBCXXABI_HIDDEN
#define _LIBCXXABI_DATA_VIS
#define _LIBCXXABI_FUNC_VIS
#define _LIBCXXABI_TYPE_VIS
#endif
#endif
#if defined(_WIN32)
#define _LIBCXXABI_WEAK
#else
#define _LIBCXXABI_WEAK __attribute__((__weak__))
#endif
#if defined(__clang__)
#define _LIBCXXABI_COMPILER_CLANG
#elif defined(__GNUC__)
#define _LIBCXXABI_COMPILER_GCC
#endif
#if __has_attribute(__no_sanitize__) && defined(_LIBCXXABI_COMPILER_CLANG)
#define _LIBCXXABI_NO_CFI __attribute__((__no_sanitize__("cfi")))
#else
#define _LIBCXXABI_NO_CFI
#endif
// wasm32 follows the arm32 ABI convention of using 32-bit guard.
#if defined(__arm__) || defined(__wasm32__) || defined(__ARM64_ARCH_8_32__)
# define _LIBCXXABI_GUARD_ABI_ARM
#endif
#if defined(_LIBCXXABI_COMPILER_CLANG)
# if !__has_feature(cxx_exceptions)
# define _LIBCXXABI_NO_EXCEPTIONS
# endif
#elif defined(_LIBCXXABI_COMPILER_GCC) && !__EXCEPTIONS
# define _LIBCXXABI_NO_EXCEPTIONS
#endif
#endif // ____CXXABI_CONFIG_H