gcc/libstdc++-v3/libsupc++/eh_exception.cc

// -*- C++ -*- std::exception implementation.
// Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
// 2003, 2004, 2005, 2006, 2007
// Free Software Foundation
//
// 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 2, 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.
//
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING.  If not, write to
// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
// Boston, MA 02110-1301, USA. 

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

#include "typeinfo"
#include "exception"
#include <cxxabi.h>

std::exception::~exception() throw() { }

std::bad_exception::~bad_exception() throw() { }

abi::__forced_unwind::~__forced_unwind() throw() { }

abi::__foreign_exception::~__foreign_exception() throw() { }

const char* 
std::exception::what() const throw()
{
  // NB: Another elegant option would be returning typeid(*this).name()
  // and not overriding what() in bad_exception, bad_alloc, etc.  In
  // that case, however, mangled names would be returned, PR 14493.
  return "std::exception";
}

const char* 
std::bad_exception::what() const throw()
{
  return "std::bad_exception";
}