| // -*- C++ -*- Exception handling routines for catching. |
| // Copyright (C) 2001-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of GCC. |
| // |
| // GCC is free software; you can redistribute it and/or modify |
| // it under the terms of the GNU General Public License as published by |
| // the Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| // |
| // GCC is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| // |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| |
| #include <typeinfo> |
| #include <cxxabi.h> |
| #include "unwind-cxx.h" |
| |
| namespace __cxxabiv1 |
| { |
| |
| // Returns the type_info for the currently handled exception [15.3/8], or |
| // null if there is none. |
| extern "C" |
| std::type_info *__cxa_current_exception_type () _GLIBCXX_NOTHROW |
| { |
| __cxa_eh_globals *globals = __cxa_get_globals (); |
| __cxa_exception *header = globals->caughtExceptions; |
| if (header) |
| { |
| if (__is_dependent_exception (header->unwindHeader.exception_class)) |
| { |
| __cxa_dependent_exception *de = |
| __get_dependent_exception_from_ue (&header->unwindHeader); |
| header = __get_exception_header_from_obj (de->primaryException); |
| } |
| return header->exceptionType; |
| } |
| else |
| return 0; |
| } |
| |
| } // namespace __cxxabiv1 |
