hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/x86/X86RegisterMap.java

/*
 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package sun.jvm.hotspot.runtime.x86;

import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.*;

public class X86RegisterMap extends RegisterMap {

  /** This is the only public constructor */
  public X86RegisterMap(JavaThread thread, boolean updateMap) {
    super(thread, updateMap);
  }

  protected X86RegisterMap(RegisterMap map) {
    super(map);
  }

  public Object clone() {
    X86RegisterMap retval = new X86RegisterMap(this);
    return retval;
  }

  // no PD state to clear or copy:
  protected void clearPD() {}
  protected void initializePD() {}
  protected void initializeFromPD(RegisterMap map) {}
  protected Address getLocationPD(VMReg reg) { return null; }
}