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3c70bc92 | 1 | // -*- C++ -*- Exception handling routines for catching. |
f1717362 | 2 | // Copyright (C) 2001-2016 Free Software Foundation, Inc. |
3c70bc92 | 3 | // |
908dad4c | 4 | // This file is part of GCC. |
3c70bc92 | 5 | // |
908dad4c | 6 | // GCC is free software; you can redistribute it and/or modify |
3c70bc92 | 7 | // it under the terms of the GNU General Public License as published by |
6bc9506f | 8 | // the Free Software Foundation; either version 3, or (at your option) |
3c70bc92 | 9 | // any later version. |
10 | // | |
908dad4c | 11 | // GCC is distributed in the hope that it will be useful, |
3c70bc92 | 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | // | |
6bc9506f | 16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
3c70bc92 | 19 | |
6bc9506f | 20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
3c70bc92 | 24 | |
25 | ||
26 | #include <typeinfo> | |
06587972 | 27 | #include <cxxabi.h> |
3c70bc92 | 28 | #include "unwind-cxx.h" |
29 | ||
28d1822f | 30 | namespace __cxxabiv1 |
31 | { | |
3c70bc92 | 32 | |
33 | // Returns the type_info for the currently handled exception [15.3/8], or | |
34 | // null if there is none. | |
35 | extern "C" | |
96931769 | 36 | std::type_info *__cxa_current_exception_type () _GLIBCXX_NOTHROW |
3c70bc92 | 37 | { |
38 | __cxa_eh_globals *globals = __cxa_get_globals (); | |
39 | __cxa_exception *header = globals->caughtExceptions; | |
40 | if (header) | |
1e75b4be | 41 | { |
42 | if (__is_dependent_exception (header->unwindHeader.exception_class)) | |
43 | { | |
44 | __cxa_dependent_exception *de = | |
45 | __get_dependent_exception_from_ue (&header->unwindHeader); | |
46 | header = __get_exception_header_from_obj (de->primaryException); | |
47 | } | |
48 | return header->exceptionType; | |
49 | } | |
3c70bc92 | 50 | else |
51 | return 0; | |
52 | } | |
53 | ||
54 | } // namespace __cxxabiv1 |