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.

⏎ sun/jvm/hotspot/utilities/GenericArray.java

/*
 * Copyright (c) 2012, 2015, 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.utilities;

import java.util.Observable;
import java.util.Observer;

import sun.jvm.hotspot.debugger.Address;
import sun.jvm.hotspot.oops.ArrayKlass;
import sun.jvm.hotspot.oops.CIntField;
import sun.jvm.hotspot.oops.Oop;
import sun.jvm.hotspot.runtime.VM;
import sun.jvm.hotspot.runtime.VMObject;
import sun.jvm.hotspot.types.AddressField;
import sun.jvm.hotspot.types.Type;
import sun.jvm.hotspot.types.TypeDataBase;
import sun.jvm.hotspot.types.WrongTypeException;

/**
 * The base class for the mirrors of the Array<T> C++ classes.
 */
public abstract class GenericArray extends VMObject {
  static {
    VM.registerVMInitializedObserver(new Observer() {
      public void update(Observable o, Object data) {
        initialize(VM.getVM().getTypeDataBase());
      }
    });
  }

  private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
    // Array<int> is arbitrarily chosen to get the fields in Array<T>.
    Type type = db.lookupType("Array<int>");
    lengthField = new CIntField(type.getCIntegerField("_length"), 0);
  }

  private static long sizeOfArray;
  private static CIntField lengthField;

  private long dataFieldOffset;

  public GenericArray(Address addr, long dataOffset) {
    super(addr);
    dataFieldOffset = dataOffset;
  }

  public int length() {
    return (int)lengthField.getValue(this);
  }

  // for compatibility with TypeArray
  public int getLength() {
    return length();
  }

  /**
   * Gets the element at the given index.
   */
  protected long getIntegerAt(int index) {
    if (index < 0 || index >= length()) throw new ArrayIndexOutOfBoundsException(index + " " + length());

    Type elemType = getElemType();
    if (!getElemType().isCIntegerType()) throw new RuntimeException("elemType must be of CInteger type");

    Address data = getAddress().addOffsetTo(dataFieldOffset);
    long elemSize = elemType.getSize();

    return data.getCIntegerAt(index * elemSize, elemSize, false);
  }

  protected Address getAddressAt(int index) {
    if (index < 0 || index >= length()) throw new ArrayIndexOutOfBoundsException(index);

    Type elemType = getElemType();
    if (getElemType().isCIntegerType()) throw new RuntimeException("elemType must not be of CInteger type");

    Address data = getAddress().addOffsetTo(dataFieldOffset);
    long elemSize = elemType.getSize();

    return data.getAddressAt(index * elemSize);
  }

  private long byteSizeof(int length) { return sizeOfArray + length * getElemType().getSize(); }

  public long getSize() {
    return VM.getVM().alignUp(byteSizeof(length()), VM.getVM().getBytesPerWord()) / VM.getVM().getBytesPerWord();
  }

  /**
   * The element type of this array.
   */
  public abstract Type getElemType();
}

⏎ sun/jvm/hotspot/utilities/GenericArray.java

Or download all of them as a single archive file:

File name: jdk.hotspot.agent-11.0.1-src.zip
File size: 1243786 bytes
Release date: 2018-11-04
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