1 // Copyright (C) 2002 Free Software Foundation, Inc. 2 // 3 // This file is part of GCC. 4 // 5 // GCC is free software; you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation; either version 2, or (at your option) 8 // any later version. 9 10 // GCC is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU General Public License for more details. 14 15 // You should have received a copy of the GNU General Public License 16 // along with GCC; see the file COPYING. If not, write to 17 // the Free Software Foundation, 59 Temple Place - Suite 330, 18 // Boston, MA 02111-1307, USA. 19 20 // As a special exception, you may use this file as part of a free software 21 // library without restriction. Specifically, if other files instantiate 22 // templates or use macros or inline functions from this file, or you compile 23 // this file and link it with other files to produce an executable, this 24 // file does not by itself cause the resulting executable to be covered by 25 // the GNU General Public License. This exception does not however 26 // invalidate any other reasons why the executable file might be covered by 27 // the GNU General Public License. 28 29 // Written by Mark Mitchell, CodeSourcery LLC, <[email protected]> 30 31 #include <cxxabi.h> 32 33 namespace __cxxabiv1 34 { 35 extern "C" 36 int __cxa_guard_acquire (__guard *g) 37 { 38 return !*(char *)(g); 39 } 40 41 extern "C" 42 void __cxa_guard_release (__guard *g) 43 { 44 *(char *)g = 1; 45 } 46 47 extern "C" 48 void __cxa_guard_abort (__guard *) 49 { 50 } 51 } 52