xref: /openbsd-src/gnu/gcc/libstdc++-v3/libsupc++/pure.cc (revision 404b540a9034ac75a6199ad1a32d1bbc7a0d4210)
1*404b540aSrobert // -*- C++ -*-
2*404b540aSrobert // Copyright (C) 2000, 2001 Free Software Foundation
3*404b540aSrobert //
4*404b540aSrobert // This file is part of GCC.
5*404b540aSrobert //
6*404b540aSrobert // GCC is free software; you can redistribute it and/or modify
7*404b540aSrobert // it under the terms of the GNU General Public License as published by
8*404b540aSrobert // the Free Software Foundation; either version 2, or (at your option)
9*404b540aSrobert // any later version.
10*404b540aSrobert //
11*404b540aSrobert // GCC is distributed in the hope that it will be useful,
12*404b540aSrobert // but WITHOUT ANY WARRANTY; without even the implied warranty of
13*404b540aSrobert // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*404b540aSrobert // GNU General Public License for more details.
15*404b540aSrobert //
16*404b540aSrobert // You should have received a copy of the GNU General Public License
17*404b540aSrobert // along with GCC; see the file COPYING.  If not, write to
18*404b540aSrobert // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
19*404b540aSrobert // Boston, MA 02110-1301, USA.
20*404b540aSrobert //
21*404b540aSrobert // As a special exception, you may use this file as part of a free software
22*404b540aSrobert // library without restriction.  Specifically, if other files instantiate
23*404b540aSrobert // templates or use macros or inline functions from this file, or you compile
24*404b540aSrobert // this file and link it with other files to produce an executable, this
25*404b540aSrobert // file does not by itself cause the resulting executable to be covered by
26*404b540aSrobert // the GNU General Public License.  This exception does not however
27*404b540aSrobert // invalidate any other reasons why the executable file might be covered by
28*404b540aSrobert // the GNU General Public License.
29*404b540aSrobert 
30*404b540aSrobert #include <bits/c++config.h>
31*404b540aSrobert #include <cxxabi.h>
32*404b540aSrobert #include "unwind-cxx.h"
33*404b540aSrobert 
34*404b540aSrobert #if _GLIBCXX_HOSTED
35*404b540aSrobert #ifdef _GLIBCXX_HAVE_UNISTD_H
36*404b540aSrobert # include <unistd.h>
37*404b540aSrobert # define writestr(str)	write(2, str, sizeof(str) - 1)
38*404b540aSrobert # ifdef __GNU_LIBRARY__
39*404b540aSrobert   /* Avoid forcing the library's meaning of `write' on the user program
40*404b540aSrobert      by using the "internal" name (for use within the library).  */
41*404b540aSrobert /*#  define write(fd, buf, n)	__write((fd), (buf), (n))*/
42*404b540aSrobert # endif
43*404b540aSrobert #else
44*404b540aSrobert # include <cstdio>
45*404b540aSrobert # define writestr(str)	std::fputs(str, stderr)
46*404b540aSrobert #endif
47*404b540aSrobert #else
48*404b540aSrobert # define writestr(str) /* Empty */
49*404b540aSrobert #endif
50*404b540aSrobert 
51*404b540aSrobert extern "C" void
__cxa_pure_virtual(void)52*404b540aSrobert __cxxabiv1::__cxa_pure_virtual (void)
53*404b540aSrobert {
54*404b540aSrobert   writestr ("pure virtual method called\n");
55*404b540aSrobert   std::terminate ();
56*404b540aSrobert }
57