1 /* 2 * Copyright 2001-2005 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.runtime.x86; 26 27 import sun.jvm.hotspot.asm.x86.*; 28 import sun.jvm.hotspot.debugger.*; 29 import sun.jvm.hotspot.runtime.*; 30 31 public class X86RegisterMap extends RegisterMap { 32 33 /** This is the only public constructor */ 34 public X86RegisterMap(JavaThread thread, boolean updateMap) { 35 super(thread, updateMap); 36 } 37 38 protected X86RegisterMap(RegisterMap map) { 39 super(map); 40 } 41 42 public Object clone() { 43 X86RegisterMap retval = new X86RegisterMap(this); 44 return retval; 45 } 46 47 // no PD state to clear or copy: 48 protected void clearPD() {} 49 protected void initializePD() {} 50 protected void initializeFromPD(RegisterMap map) {} 51 protected Address getLocationPD(VMReg reg) { return null; } 52 }