1// -*- C++ -*- std::exception implementation.
2// Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
3// 2003, 2004, 2005, 2006, 2007
4// Free Software Foundation
5//
6// This file is part of GCC.
7//
8// GCC is free software; you can redistribute it and/or modify
9// it under the terms of the GNU General Public License as published by
10// the Free Software Foundation; either version 2, or (at your option)
11// any later version.
12//
13// GCC is distributed in the hope that it will be useful,
14// but WITHOUT ANY WARRANTY; without even the implied warranty of
15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16// GNU General Public License for more details.
17//
18// You should have received a copy of the GNU General Public License
19// along with GCC; see the file COPYING.  If not, write to
20// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
21// Boston, MA 02110-1301, USA.
22
23// As a special exception, you may use this file as part of a free software
24// library without restriction.  Specifically, if other files instantiate
25// templates or use macros or inline functions from this file, or you compile
26// this file and link it with other files to produce an executable, this
27// file does not by itself cause the resulting executable to be covered by
28// the GNU General Public License.  This exception does not however
29// invalidate any other reasons why the executable file might be covered by
30// the GNU General Public License.
31
32#include <typeinfo>
33#include <exception>
34#include <cxxabi.h>
35
36using namespace __cxxabiv1;
37#ifndef _LIBCPPABI_VERSION
38    using namespace __cxxabiapple;
39#endif
40
41
42namespace std {
43
44#ifndef _LIBCPPABI_VERSION
45
46exception::~exception() throw() { }
47
48bad_exception::~bad_exception() throw() { }
49
50const char*
51exception::what() const throw()
52{
53  // NB: Another elegant option would be returning typeid(*this).name()
54  // and not overriding what() in bad_exception, bad_alloc, etc.  In
55  // that case, however, mangled names would be returned, PR 14493.
56  return "std::exception";
57}
58
59const char*
60bad_exception::what() const throw()
61{
62  return "std::bad_exception";
63}
64
65#endif  // _LIBCPPABI_VERSION
66
67bool uncaught_exception() throw()
68{
69	return __cxa_uncaught_exception();
70}
71
72} // std
73