1 // Verbose terminate_handler -*- C++ -*- 2 3 // Copyright (C) 2001, 2002 Free Software Foundation 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 2, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // You should have received a copy of the GNU General Public License along 17 // with this library; see the file COPYING. If not, write to the Free 18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 19 // USA. 20 21 // As a special exception, you may use this file as part of a free software 22 // library without restriction. Specifically, if other files instantiate 23 // templates or use macros or inline functions from this file, or you compile 24 // this file and link it with other files to produce an executable, this 25 // file does not by itself cause the resulting executable to be covered by 26 // the GNU General Public License. This exception does not however 27 // invalidate any other reasons why the executable file might be covered by 28 // the GNU General Public License. 29 30 #include <cstdlib> 31 #include <cstdio> 32 #include <exception> 33 #include <exception_defines.h> 34 #include <cxxabi.h> 35 36 using namespace std; 37 using namespace abi; 38 39 namespace __gnu_cxx 40 { 41 /* A replacement for the standard terminate_handler which prints 42 more information about the terminating exception (if any) on 43 stderr. */ __verbose_terminate_handler()44 void __verbose_terminate_handler() 45 { 46 // Make sure there was an exception; terminate is also called for an 47 // attempt to rethrow when there is no suitable exception. 48 type_info *t = __cxa_current_exception_type(); 49 if (t) 50 { 51 char const *name = t->name(); 52 // Note that "name" is the mangled name. 53 54 { 55 int status = -1; 56 char *dem = 0; 57 58 // Disabled until __cxa_demangle gets the runtime GPL exception. 59 dem = __cxa_demangle(name, 0, 0, &status); 60 61 printf("terminate called after throwing a `%s'\n", 62 status == 0 ? dem : name); 63 64 if (status == 0) 65 free(dem); 66 } 67 68 // If the exception is derived from std::exception, we can give more 69 // information. 70 try { __throw_exception_again; } 71 #ifdef __EXCEPTIONS 72 catch (exception &exc) 73 { fprintf(stderr, " what(): %s\n", exc.what()); } 74 #endif 75 catch (...) { } 76 } 77 else 78 fprintf(stderr, "terminate called without an active exception\n"); 79 80 abort(); 81 } 82 } // namespace __gnu_cxx 83