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// -*- C++ -*- Exception handling routines for catching.

// Copyright (C) 2001, 2008, 2009, 2011 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