1//===----------------------------------------------------------------------===//
  2//
  3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4// See https://llvm.org/LICENSE.txt for license information.
  5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6//
  7//===----------------------------------------------------------------------===//
  8
  9#ifndef ____CXXABI_CONFIG_H
 10#define ____CXXABI_CONFIG_H
 11
 12#if defined(__arm__) && !defined(__USING_SJLJ_EXCEPTIONS__) &&                 \
 13    !defined(__ARM_DWARF_EH__) && !defined(__SEH__)
 14#define _LIBCXXABI_ARM_EHABI
 15#endif
 16
 17#if !defined(__has_attribute)
 18#define __has_attribute(_attribute_) 0
 19#endif
 20
 21#if defined(__clang__)
 22#  define _LIBCXXABI_COMPILER_CLANG
 23#  ifndef __apple_build_version__
 24#    define _LIBCXXABI_CLANG_VER (__clang_major__ * 100 + __clang_minor__)
 25#  endif
 26#elif defined(__GNUC__)
 27#  define _LIBCXXABI_COMPILER_GCC
 28#elif defined(_MSC_VER)
 29#  define _LIBCXXABI_COMPILER_MSVC
 30#elif defined(__IBMCPP__)
 31#  define _LIBCXXABI_COMPILER_IBM
 32#endif
 33
 34#if defined(_WIN32)
 35 #if defined(_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS) || (defined(__MINGW32__) && !defined(_LIBCXXABI_BUILDING_LIBRARY))
 36  #define _LIBCXXABI_HIDDEN
 37  #define _LIBCXXABI_DATA_VIS
 38  #define _LIBCXXABI_FUNC_VIS
 39  #define _LIBCXXABI_TYPE_VIS
 40 #elif defined(_LIBCXXABI_BUILDING_LIBRARY)
 41  #define _LIBCXXABI_HIDDEN
 42  #define _LIBCXXABI_DATA_VIS __declspec(dllexport)
 43  #define _LIBCXXABI_FUNC_VIS __declspec(dllexport)
 44  #define _LIBCXXABI_TYPE_VIS __declspec(dllexport)
 45 #else
 46  #define _LIBCXXABI_HIDDEN
 47  #define _LIBCXXABI_DATA_VIS __declspec(dllimport)
 48  #define _LIBCXXABI_FUNC_VIS __declspec(dllimport)
 49  #define _LIBCXXABI_TYPE_VIS __declspec(dllimport)
 50 #endif
 51#else
 52 #if !defined(_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS)
 53  #define _LIBCXXABI_HIDDEN __attribute__((__visibility__("hidden")))
 54  #define _LIBCXXABI_DATA_VIS __attribute__((__visibility__("default")))
 55  #define _LIBCXXABI_FUNC_VIS __attribute__((__visibility__("default")))
 56  #if __has_attribute(__type_visibility__)
 57   #define _LIBCXXABI_TYPE_VIS __attribute__((__type_visibility__("default")))
 58  #else
 59   #define _LIBCXXABI_TYPE_VIS __attribute__((__visibility__("default")))
 60  #endif
 61 #else
 62  #define _LIBCXXABI_HIDDEN
 63  #define _LIBCXXABI_DATA_VIS
 64  #define _LIBCXXABI_FUNC_VIS
 65  #define _LIBCXXABI_TYPE_VIS
 66 #endif
 67#endif
 68
 69#if defined(_LIBCXXABI_COMPILER_MSVC)
 70#define _LIBCXXABI_WEAK
 71#else
 72#define _LIBCXXABI_WEAK __attribute__((__weak__))
 73#endif
 74
 75#if defined(__clang__)
 76#define _LIBCXXABI_COMPILER_CLANG
 77#elif defined(__GNUC__)
 78#define _LIBCXXABI_COMPILER_GCC
 79#endif
 80
 81#if __has_attribute(__no_sanitize__) && defined(_LIBCXXABI_COMPILER_CLANG)
 82#define _LIBCXXABI_NO_CFI __attribute__((__no_sanitize__("cfi")))
 83#else
 84#define _LIBCXXABI_NO_CFI
 85#endif
 86
 87// wasm32 follows the arm32 ABI convention of using 32-bit guard.
 88#if defined(__arm__) || defined(__wasm32__) || defined(__ARM64_ARCH_8_32__)
 89#  define _LIBCXXABI_GUARD_ABI_ARM
 90#endif
 91
 92#if defined(_LIBCXXABI_COMPILER_CLANG)
 93#  if !__has_feature(cxx_exceptions)
 94#    define _LIBCXXABI_NO_EXCEPTIONS
 95#  endif
 96#elif defined(_LIBCXXABI_COMPILER_GCC) && !defined(__EXCEPTIONS)
 97#  define _LIBCXXABI_NO_EXCEPTIONS
 98#endif
 99
100#if defined(_WIN32)
101#define _LIBCXXABI_DTOR_FUNC __thiscall
102#else
103#define _LIBCXXABI_DTOR_FUNC
104#endif
105
106#if __cplusplus < 201103L
107#  define _LIBCXXABI_NOEXCEPT throw()
108#else
109#  define _LIBCXXABI_NOEXCEPT noexcept
110#endif
111
112#endif // ____CXXABI_CONFIG_H