60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
// -*- C++ -*- Exception handling routines for catching.
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// Copyright (C) 2001, 2008 Free Software Foundation, Inc.
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//
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// This file is part of GCC.
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//
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// GCC is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2, or (at your option)
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// any later version.
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//
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// GCC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with GCC; see the file COPYING. If not, write to
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// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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// Boston, MA 02110-1301, USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#include <typeinfo>
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#include <cxxabi.h>
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#include "unwind-cxx.h"
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namespace __cxxabiv1
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{
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// Returns the type_info for the currently handled exception [15.3/8], or
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// null if there is none.
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extern "C"
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std::type_info *__cxa_current_exception_type ()
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{
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__cxa_eh_globals *globals = __cxa_get_globals ();
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__cxa_exception *header = globals->caughtExceptions;
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if (header)
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{
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if (__is_dependent_exception (header->unwindHeader.exception_class))
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{
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__cxa_dependent_exception *de =
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__get_dependent_exception_from_ue (&header->unwindHeader);
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header = __get_exception_header_from_obj (de->primaryException);
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}
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return header->exceptionType;
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}
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else
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return 0;
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}
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} // namespace __cxxabiv1
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