1//===-------------------------- __cxxabi_config.h -------------------------===//
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__)
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(_WIN32)
22 #if defined(_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS)
23 #define _LIBCXXABI_HIDDEN
24 #define _LIBCXXABI_DATA_VIS
25 #define _LIBCXXABI_FUNC_VIS
26 #define _LIBCXXABI_TYPE_VIS
27 #elif defined(_LIBCXXABI_BUILDING_LIBRARY)
28 #define _LIBCXXABI_HIDDEN
29 #define _LIBCXXABI_DATA_VIS __declspec(dllexport)
30 #define _LIBCXXABI_FUNC_VIS __declspec(dllexport)
31 #define _LIBCXXABI_TYPE_VIS __declspec(dllexport)
32 #else
33 #define _LIBCXXABI_HIDDEN
34 #define _LIBCXXABI_DATA_VIS __declspec(dllimport)
35 #define _LIBCXXABI_FUNC_VIS __declspec(dllimport)
36 #define _LIBCXXABI_TYPE_VIS __declspec(dllimport)
37 #endif
38#else
39 #if !defined(_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS)
40 #define _LIBCXXABI_HIDDEN __attribute__((__visibility__("hidden")))
41 #define _LIBCXXABI_DATA_VIS __attribute__((__visibility__("default")))
42 #define _LIBCXXABI_FUNC_VIS __attribute__((__visibility__("default")))
43 #if __has_attribute(__type_visibility__)
44 #define _LIBCXXABI_TYPE_VIS __attribute__((__type_visibility__("default")))
45 #else
46 #define _LIBCXXABI_TYPE_VIS __attribute__((__visibility__("default")))
47 #endif
48 #else
49 #define _LIBCXXABI_HIDDEN
50 #define _LIBCXXABI_DATA_VIS
51 #define _LIBCXXABI_FUNC_VIS
52 #define _LIBCXXABI_TYPE_VIS
53 #endif
54#endif
55
56#if defined(_WIN32)
57#define _LIBCXXABI_WEAK
58#else
59#define _LIBCXXABI_WEAK __attribute__((__weak__))
60#endif
61
62#if defined(__clang__)
63#define _LIBCXXABI_COMPILER_CLANG
64#elif defined(__GNUC__)
65#define _LIBCXXABI_COMPILER_GCC
66#endif
67
68#if __has_attribute(__no_sanitize__) && defined(_LIBCXXABI_COMPILER_CLANG)
69#define _LIBCXXABI_NO_CFI __attribute__((__no_sanitize__("cfi")))
70#else
71#define _LIBCXXABI_NO_CFI
72#endif
73
74// wasm32 follows the arm32 ABI convention of using 32-bit guard.
75#if defined(__arm__) || defined(__wasm32__)
76# define _LIBCXXABI_GUARD_ABI_ARM
77#endif
78
79#endif // ____CXXABI_CONFIG_H
80