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