/*

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

package sun.jvm.hotspot.oops;

import java.io.*;

import java.util.*;

import sun.jvm.hotspot.debugger.*;

import sun.jvm.hotspot.runtime.*;

import sun.jvm.hotspot.types.*;

import sun.jvm.hotspot.utilities.*;

// CounterData

//

// A CounterData corresponds to a simple counter.

public class CounterData extends BitData {

  static final int countOff = 0;

  static final int counterCellCount = 1;

  public CounterData(DataLayout layout) {

    super(layout);

  }

  static int staticCellCount() {

    return counterCellCount;

  }

  public int cellCount() {

    return staticCellCount();

  }

  // Direct accessor

  int count() {

    return uintAt(countOff);

  }

  // Code generation support

  static int countOffset() {

    return cellOffset(countOff);

  }

  static int counterDataSize() {

    return cellOffset(counterCellCount);

  }

  public void printDataOn(PrintStream st) {

    printShared(st, "CounterData");

    st.println("count(" + count() + ")");

  }

}