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
113