JDK 11 jdk.hotspot.agent.jmod - Hotspot Agent Module

JDK 11 jdk.hotspot.agent.jmod is the JMOD file for JDK 11 Hotspot Agent module.

JDK 11 Hotspot Agent module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.hotspot.agent.jmod.

JDK 11 Hotspot Agent module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Hotspot Agent module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.hotspot.agent.

You can click and view the content of each source code file in the list below.

✍: FYIcenter

sun/jvm/hotspot/runtime/JNIHandles.java

/*
 * Copyright (c) 2000, 2018, 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.runtime;

import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.types.*;
import sun.jvm.hotspot.gc.shared.OopStorage;

public class JNIHandles {
  private static AddressField      globalHandlesField;
  private static AddressField      weakGlobalHandlesField;

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

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

    globalHandlesField = type.getAddressField("_global_handles");
    weakGlobalHandlesField = type.getAddressField("_weak_global_handles");

  }

  public JNIHandles() {
  }

  public OopStorage globalHandles() {
    Address handleAddr  = globalHandlesField.getValue();
    if (handleAddr == null) {
      return null;
    }
    return new OopStorage(handleAddr);
  }

  public OopStorage weakGlobalHandles() {
    Address handleAddr  = weakGlobalHandlesField.getValue();
    if (handleAddr == null) {
      return null;
    }
    return new OopStorage(handleAddr);
  }

}

sun/jvm/hotspot/runtime/JNIHandles.java

 

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