/*
 * Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package sun.jvm.hotspot.code;

import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.types.*;
import sun.jvm.hotspot.utilities.Observable;
import sun.jvm.hotspot.utilities.Observer;

/** SafepointBlob: handles illegal_instruction exceptions during a safepoint */

public class SafepointBlob extends SingletonBlob {
  static {
    VM.registerVMInitializedObserver(new Observer() {
        public void update(Observable o, Object data) {
          initialize(VM.getVM().getTypeDataBase());
        }
      });
  }

  private static void initialize(TypeDataBase db) {
    Type type = db.lookupType("SafepointBlob");

    // FIXME: add any needed fields
  }

  public SafepointBlob(Address addr) {
    super(addr);
  }

  public boolean isSafepointStub() {
    return true;
  }
}
