freebsd-dev/contrib/libstdc++/libsupc++/pure.cc

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// -*- C++ -*-
// Copyright (C) 2000, 2001 Free Software Foundation
//
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// This file is part of GCC.
//
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// GCC 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.
//
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// GCC 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
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// along with GCC; see the file COPYING. If not, write to
// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
// Boston, MA 02110-1301, 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 <cxxabi.h>
#include "unwind-cxx.h"
#if _GLIBCXX_HOSTED
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#ifdef _GLIBCXX_HAVE_UNISTD_H
# include <unistd.h>
# define writestr(str) write(2, str, sizeof(str) - 1)
# ifdef __GNU_LIBRARY__
/* Avoid forcing the library's meaning of `write' on the user program
by using the "internal" name (for use within the library). */
/*# define write(fd, buf, n) __write((fd), (buf), (n))*/
# endif
#else
# include <cstdio>
# define writestr(str) std::fputs(str, stderr)
#endif
#else
# define writestr(str) /* Empty */
#endif
extern "C" void
__cxxabiv1::__cxa_pure_virtual (void)
{
writestr ("pure virtual method called\n");
std::terminate ();
}