VirtualCallData.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 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.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.*;

// VirtualCallData
//
// A VirtualCallData is used to access profiling information about a
// call.  For now, it has nothing more than a ReceiverTypeData.
public class VirtualCallData<K,M> extends ReceiverTypeData<K,M> {
  public VirtualCallData(MethodDataInterface<K,M> methodData, DataLayout layout) {
    super(methodData, layout);
    //assert(layout.tag() == DataLayout.virtualCallDataTag, "wrong type");
  }

  static int staticCellCount() {
    // At this point we could add more profile state, e.g., for arguments.
    // But for now it's the same size as the base record type.
    int cellCount = ReceiverTypeData.staticCellCount();
    if (INCLUDE_JVMCI == 1) {
      cellCount += MethodData.MethodProfileWidth * receiverTypeRowCellCount;
    }
    return cellCount;
  }

  public int cellCount() {
    return staticCellCount();
  }

  // Direct accessors
  static int virtualCallDataSize() {
    return cellOffset(staticCellCount());
  }

  public void printDataOn(PrintStream st) {
    printShared(st, "VirtualCallData");
    printReceiverDataOn(st);
  }
}