libstdc++: cxxabi_init_exception.h Source File

libstdc++

cxxabi_init_exception.h
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1// ABI Support -*- C++ -*-
2
3// Copyright (C) 2016-2026 Free Software Foundation, Inc.
4//
5// This file is part of GCC.
6//
7// GCC is free software; you can redistribute it and/or modify
8// it under the terms of the GNU General Public License as published by
9// the Free Software Foundation; either version 3, or (at your option)
10// any later version.
11//
12// GCC is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15// GNU General Public License for more details.
16//
17// Under Section 7 of GPL version 3, you are granted additional
18// permissions described in the GCC Runtime Library Exception, version
19// 3.1, as published by the Free Software Foundation.
20
21// You should have received a copy of the GNU General Public License and
22// a copy of the GCC Runtime Library Exception along with this program;
23// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24// <http://www.gnu.org/licenses/>.
25
26/** @file bits/cxxabi_init_exception.h
27 * This is an internal header file, included by other library headers.
28 * Do not attempt to use it directly.
29 */
30
31#ifndef _CXXABI_INIT_EXCEPTION_H
32#define _CXXABI_INIT_EXCEPTION_H 1
33
34#ifdef _GLIBCXX_SYSHDR
35#pragma GCC system_header
36#endif
37
38#pragma GCC visibility push(default)
39
40#include <stddef.h>
41#include <bits/c++config.h>
42
43#ifndef _GLIBCXX_CDTOR_CALLABI
44#define _GLIBCXX_CDTOR_CALLABI
45#define _GLIBCXX_HAVE_CDTOR_CALLABI 0
46#else
47#define _GLIBCXX_HAVE_CDTOR_CALLABI 1
48#endif
49
50#ifdef __cplusplus
51
52namespace std
53{
54 class type_info;
55}
56
57namespace __cxxabiv1
58{
59 struct __cxa_refcounted_exception;
60
61 extern "C"
62 {
63 // Allocate memory for the primary exception plus the thrown object.
64 void*
65 __cxa_allocate_exception(size_t) _GLIBCXX_NOTHROW;
66
67 void
68 __cxa_free_exception(void*) _GLIBCXX_NOTHROW;
69
70 // Initialize exception (this is a GNU extension)
71 __cxa_refcounted_exception*
72 __cxa_init_primary_exception(void *__object, std::type_info *__tinfo,
73 void (_GLIBCXX_CDTOR_CALLABI *__dest) (void *))
74 _GLIBCXX_NOTHROW;
75
76 }
77} // namespace __cxxabiv1
78
79#endif
80
81#pragma GCC visibility pop
82
83#endif // _CXXABI_INIT_EXCEPTION_H
c++config.h
std
ISO C++ entities toplevel namespace is std.
std::type_info
Part of RTTI.
Definition typeinfo:94