pure.cc Source File

00001 // -*- C++ -*- 
00002 // Copyright (C) 2000, 2001 Free Software Foundation
00003 //
00004 // This file is part of GNU CC.
00005 //
00006 // GNU CC is free software; you can redistribute it and/or modify
00007 // it under the terms of the GNU General Public License as published by
00008 // the Free Software Foundation; either version 2, or (at your option)
00009 // any later version.
00010 //
00011 // GNU CC 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
00017 // along with GNU CC; see the file COPYING.  If not, write to
00018 // the Free Software Foundation, 59 Temple Place - Suite 330,
00019 // Boston, MA 02111-1307, 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 <bits/c++config.h>
00031 #include "unwind-cxx.h"
00032 
00033 #ifdef _GLIBCPP_HAVE_UNISTD_H
00034 # include <unistd.h>
00035 # define writestr(str)  write(2, str, sizeof(str) - 1)
00036 # ifdef __GNU_LIBRARY__
00037   /* Avoid forcing the library's meaning of `write' on the user program
00038      by using the "internal" name (for use within the library).  */
00039 /*#  define write(fd, buf, n)   __write((fd), (buf), (n))*/
00040 # endif
00041 #else
00042 # include <stdio.h>
00043 # define writestr(str)  fputs(str, stderr)
00044 #endif
00045 
00046 extern "C" void
00047 __cxa_pure_virtual (void)
00048 {
00049   writestr ("pure virtual method called\n");
00050   std::terminate ();
00051 }