1139823Simp// Verbose terminate_handler -*- C++ -*- 2157170Srwatson 3157170Srwatson// Copyright (C) 2001, 2002, 2004, 2005 Free Software Foundation 4139923Srwatson// 5157170Srwatson// This file is part of the GNU ISO C++ Library. This library is free 611819Sjulian// software; you can redistribute it and/or modify it under the 711819Sjulian// terms of the GNU General Public License as published by the 811819Sjulian// Free Software Foundation; either version 2, or (at your option) 911819Sjulian// any later version. 1011819Sjulian 1111819Sjulian// This library is distributed in the hope that it will be useful, 1211819Sjulian// but WITHOUT ANY WARRANTY; without even the implied warranty of 1311819Sjulian// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1411819Sjulian// GNU General Public License for more details. 15165899Srwatson 16165899Srwatson// You should have received a copy of the GNU General Public License along 17165899Srwatson// with this library; see the file COPYING. If not, write to the Free 18165899Srwatson// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19165899Srwatson// USA. 20165899Srwatson 21165899Srwatson// As a special exception, you may use this file as part of a free software 22165899Srwatson// library without restriction. Specifically, if other files instantiate 23165899Srwatson// templates or use macros or inline functions from this file, or you compile 24165899Srwatson// this file and link it with other files to produce an executable, this 25165899Srwatson// file does not by itself cause the resulting executable to be covered by 26165899Srwatson// the GNU General Public License. This exception does not however 27165899Srwatson// invalidate any other reasons why the executable file might be covered by 28165899Srwatson// the GNU General Public License. 29165899Srwatson 30165899Srwatson#include <bits/c++config.h> 31165899Srwatson 32165899Srwatson#if _GLIBCXX_HOSTED 33165899Srwatson#include <cstdlib> 34165899Srwatson#include <exception> 35165899Srwatson#include <exception_defines.h> 36165899Srwatson#include <cxxabi.h> 37165899Srwatson# include <cstdio> 38165899Srwatson 39165899Srwatsonusing namespace std; 40165899Srwatsonusing namespace abi; 41165899Srwatson 4211819Sjulian_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) 4311819Sjulian 4411819Sjulian // A replacement for the standard terminate_handler which prints 4511819Sjulian // more information about the terminating exception (if any) on 4611819Sjulian // stderr. 4711819Sjulian void __verbose_terminate_handler() 4811819Sjulian { 4911819Sjulian static bool terminating; 5011819Sjulian if (terminating) 5111819Sjulian { 5211819Sjulian fputs("terminate called recursively\n", stderr); 5311819Sjulian abort (); 5411819Sjulian } 5511819Sjulian terminating = true; 5611819Sjulian 5711819Sjulian // Make sure there was an exception; terminate is also called for an 5811819Sjulian // attempt to rethrow when there is no suitable exception. 5911819Sjulian type_info *t = __cxa_current_exception_type(); 6011819Sjulian if (t) 6111819Sjulian { 6212057Sjulian // Note that "name" is the mangled name. 6311819Sjulian char const *name = t->name(); 6411819Sjulian { 65116189Sobrien int status = -1; 66116189Sobrien char *dem = 0; 67116189Sobrien 6811819Sjulian dem = __cxa_demangle(name, 0, 0, &status); 6911819Sjulian 7011819Sjulian fputs("terminate called after throwing an instance of '", stderr); 7111819Sjulian if (status == 0) 7211819Sjulian fputs(dem, stderr); 7311819Sjulian else 7459604Sobrien fputs(name, stderr); 7513266Swollman fputs("'\n", stderr); 7611819Sjulian 7711819Sjulian if (status == 0) 7811819Sjulian free(dem); 7911819Sjulian } 8011819Sjulian 8111819Sjulian // If the exception is derived from std::exception, we can 8211819Sjulian // give more information. 8311819Sjulian try { __throw_exception_again; } 8411819Sjulian#ifdef __EXCEPTIONS 8511819Sjulian catch (exception &exc) 8611819Sjulian { 8725652Sjhay char const *w = exc.what(); 8813266Swollman fputs(" what(): ", stderr); 89180816Strhodes fputs(w, stderr); 9011819Sjulian fputs("\n", stderr); 9126965Sjhay } 9225652Sjhay#endif 93180816Strhodes catch (...) { } 9411819Sjulian } 9526965Sjhay else 9613266Swollman fputs("terminate called without an active exception\n", stderr); 97180816Strhodes 9813266Swollman abort(); 9926965Sjhay } 10025652Sjhay 101180816Strhodes_GLIBCXX_END_NAMESPACE 10211819Sjulian 103139442Srwatson#endif 104139442Srwatson