mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-27 11:08:58 +08:00
9795acc64a
2002-12-26 Phil Edwards <pme@gcc.gnu.org> * libsupc++/vterminate.cc (writestr): Use __builtin_strlen. From-SVN: r60531
99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
// Verbose terminate_handler -*- C++ -*-
|
|
|
|
// Copyright (C) 2001, 2002 Free Software Foundation
|
|
//
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
// software; you can redistribute it and/or modify it under the
|
|
// terms of the GNU General Public License as published by the
|
|
// Free Software Foundation; either version 2, or (at your option)
|
|
// any later version.
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this library; see the file COPYING. If not, write to the Free
|
|
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
|
// USA.
|
|
|
|
// As a special exception, you may use this file as part of a free software
|
|
// library without restriction. Specifically, if other files instantiate
|
|
// templates or use macros or inline functions from this file, or you compile
|
|
// this file and link it with other files to produce an executable, this
|
|
// file does not by itself cause the resulting executable to be covered by
|
|
// the GNU General Public License. This exception does not however
|
|
// invalidate any other reasons why the executable file might be covered by
|
|
// the GNU General Public License.
|
|
|
|
#include <bits/c++config.h>
|
|
#include <cstdlib>
|
|
#include <exception>
|
|
#include <exception_defines.h>
|
|
#include <cxxabi.h>
|
|
|
|
#ifdef _GLIBCPP_HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
# define writestr(str) write(2, str, __builtin_strlen(str))
|
|
#else
|
|
# include <cstdio>
|
|
# define writestr(str) std::fputs(str, stderr)
|
|
#endif
|
|
|
|
using namespace std;
|
|
using namespace abi;
|
|
|
|
namespace __gnu_cxx
|
|
{
|
|
/* A replacement for the standard terminate_handler which prints
|
|
more information about the terminating exception (if any) on
|
|
stderr. */
|
|
void __verbose_terminate_handler()
|
|
{
|
|
// Make sure there was an exception; terminate is also called for an
|
|
// attempt to rethrow when there is no suitable exception.
|
|
type_info *t = __cxa_current_exception_type();
|
|
if (t)
|
|
{
|
|
char const *name = t->name();
|
|
// Note that "name" is the mangled name.
|
|
|
|
{
|
|
int status = -1;
|
|
char *dem = 0;
|
|
|
|
dem = __cxa_demangle(name, 0, 0, &status);
|
|
|
|
writestr("terminate called after throwing an instance of '");
|
|
if (status == 0)
|
|
writestr(dem);
|
|
else
|
|
writestr(name);
|
|
writestr("'\n");
|
|
|
|
if (status == 0)
|
|
free(dem);
|
|
}
|
|
|
|
// If the exception is derived from std::exception, we can give more
|
|
// information.
|
|
try { __throw_exception_again; }
|
|
#ifdef __EXCEPTIONS
|
|
catch (exception &exc)
|
|
{
|
|
char const *w = exc.what();
|
|
writestr(" what(): ");
|
|
writestr(w);
|
|
writestr("\n");
|
|
}
|
|
#endif
|
|
catch (...) { }
|
|
}
|
|
else
|
|
writestr("terminate called without an active exception\n");
|
|
|
|
abort();
|
|
}
|
|
} // namespace __gnu_cxx
|