mirror of git://gcc.gnu.org/git/gcc.git
102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
// Verbose terminate_handler -*- C++ -*-
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// Copyright (C) 2001-2018 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library 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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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#include <bits/c++config.h>
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#if _GLIBCXX_HOSTED
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#include <cstdlib>
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#include <exception>
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#include <bits/exception_defines.h>
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#include <cxxabi.h>
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# include <cstdio>
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using namespace std;
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using namespace abi;
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namespace __gnu_cxx
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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// A replacement for the standard terminate_handler which prints
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// more information about the terminating exception (if any) on
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// stderr.
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void __verbose_terminate_handler()
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{
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static bool terminating;
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if (terminating)
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{
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fputs("terminate called recursively\n", stderr);
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abort ();
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}
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terminating = true;
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// Make sure there was an exception; terminate is also called for an
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// attempt to rethrow when there is no suitable exception.
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type_info *t = __cxa_current_exception_type();
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if (t)
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{
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// Note that "name" is the mangled name.
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char const *name = t->name();
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{
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int status = -1;
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char *dem = 0;
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dem = __cxa_demangle(name, 0, 0, &status);
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fputs("terminate called after throwing an instance of '", stderr);
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if (status == 0)
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fputs(dem, stderr);
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else
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fputs(name, stderr);
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fputs("'\n", stderr);
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if (status == 0)
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free(dem);
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}
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// If the exception is derived from std::exception, we can
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// give more information.
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__try { __throw_exception_again; }
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#if __cpp_exceptions
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__catch(const exception& exc)
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{
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char const *w = exc.what();
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fputs(" what(): ", stderr);
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fputs(w, stderr);
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fputs("\n", stderr);
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}
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#endif
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__catch(...) { }
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}
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else
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fputs("terminate called without an active exception\n", stderr);
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abort();
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}
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace
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#endif
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