00001 // Verbose terminate_handler -*- C++ -*- 00002 00003 // Copyright (C) 2001, 2002 Free Software Foundation 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 2, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // You should have received a copy of the GNU General Public License along 00017 // with this library; see the file COPYING. If not, write to the Free 00018 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 00019 // USA. 00020 00021 // As a special exception, you may use this file as part of a free software 00022 // library without restriction. Specifically, if other files instantiate 00023 // templates or use macros or inline functions from this file, or you compile 00024 // this file and link it with other files to produce an executable, this 00025 // file does not by itself cause the resulting executable to be covered by 00026 // the GNU General Public License. This exception does not however 00027 // invalidate any other reasons why the executable file might be covered by 00028 // the GNU General Public License. 00029 00030 #include <cstdlib> 00031 #include <cstdio> 00032 #include <exception> 00033 #include <exception_defines.h> 00034 #include <cxxabi.h> 00035 00036 using namespace std; 00037 using namespace abi; 00038 00039 namespace __gnu_cxx 00040 { 00041 /* A replacement for the standard terminate_handler which prints 00042 more information about the terminating exception (if any) on 00043 stderr. */ 00044 void __verbose_terminate_handler() 00045 { 00046 // Make sure there was an exception; terminate is also called for an 00047 // attempt to rethrow when there is no suitable exception. 00048 type_info *t = __cxa_current_exception_type(); 00049 if (t) 00050 { 00051 char const *name = t->name(); 00052 // Note that "name" is the mangled name. 00053 00054 { 00055 int status = -1; 00056 char *dem = 0; 00057 00058 // Disabled until __cxa_demangle gets the runtime GPL exception. 00059 dem = __cxa_demangle(name, 0, 0, &status); 00060 00061 printf("terminate called after throwing a `%s'\n", 00062 status == 0 ? dem : name); 00063 00064 if (status == 0) 00065 free(dem); 00066 } 00067 00068 // If the exception is derived from std::exception, we can give more 00069 // information. 00070 try { __throw_exception_again; } 00071 #ifdef __EXCEPTIONS 00072 catch (exception &exc) 00073 { fprintf(stderr, " what(): %s\n", exc.what()); } 00074 #endif 00075 catch (...) { } 00076 } 00077 else 00078 fprintf(stderr, "terminate called without an active exception\n"); 00079 00080 abort(); 00081 } 00082 } // namespace __gnu_cxx