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      1 // -*- C++ -*-
      2 // Copyright (C) 2000-2024 Free Software Foundation, Inc.
      3 //
      4 // This file is part of GCC.
      5 //
      6 // GCC is free software; you can redistribute it and/or modify
      7 // it under the terms of the GNU General Public License as published by
      8 // the Free Software Foundation; either version 3, or (at your option)
      9 // any later version.
     10 //
     11 // GCC 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 // Under Section 7 of GPL version 3, you are granted additional
     17 // permissions described in the GCC Runtime Library Exception, version
     18 // 3.1, as published by the Free Software Foundation.
     19 
     20 // You should have received a copy of the GNU General Public License and
     21 // a copy of the GCC Runtime Library Exception along with this program;
     22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     23 // <http://www.gnu.org/licenses/>.
     24 
     25 #include <bits/c++config.h>
     26 #include <cxxabi.h>
     27 #include "unwind-cxx.h"
     28 
     29 #if _GLIBCXX_HOSTED && _GLIBCXX_VERBOSE
     30 #ifdef _GLIBCXX_HAVE_UNISTD_H
     31 # include <unistd.h>
     32 # define writestr(str)	write(2, str, sizeof(str) - 1)
     33 # ifdef __GNU_LIBRARY__
     34   /* Avoid forcing the library's meaning of `write' on the user program
     35      by using the "internal" name (for use within the library).  */
     36 /*#  define write(fd, buf, n)	__write((fd), (buf), (n))*/
     37 # endif
     38 #else
     39 # include <cstdio>
     40 # define writestr(str)	std::fputs(str, stderr)
     41 #endif
     42 #else
     43 # define writestr(str) /* Empty */
     44 #endif
     45 
     46 extern "C" void
     47 __cxxabiv1::__cxa_pure_virtual (void)
     48 {
     49   writestr ("pure virtual method called\n");
     50   std::terminate ();
     51 }
     52 
     53 extern "C" void
     54 __cxxabiv1::__cxa_deleted_virtual (void)
     55 {
     56   writestr ("deleted virtual method called\n");
     57   std::terminate ();
     58 }
     59