/* * $Id$ * * Copyright (C) 2003-2015 JNode.org * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This library 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 Lesser General Public * License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; If not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package sun.misc; /** * @author Levente S\u00e1ntha * */ @org.jnode.annotation.MagicPermission class UnsafeHelper { //todo remove this class if not used /* private static final int OFFSET_OF_vmField_IN_Field = AccessController.doPrivileged(new PrivilegedAction<Integer>(){ public Integer run() { return ((VmInstanceField) Field.class.getVmClass().getField("vmField")).getOffset(); } }); private static final int OFFSET_OF_offset_IN_VmInstanceField = AccessController.doPrivileged(new PrivilegedAction<Integer>(){ public Integer run() { return ((VmInstanceField) VmInstanceField.class.getVmClass().getField("offset")).getOffset(); } }); static long objectFieldOffset(Field f) { return ObjectReference.fromObject(f).toAddress(). add(OFFSET_OF_vmField_IN_Field).loadAddress(). add(OFFSET_OF_offset_IN_VmInstanceField).loadInt(); } */ }