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/gc/parallel/ImmutableSpace.java

/*
 * Copyright (c) 2003, 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.gc.parallel;

import java.io.*;
import java.util.*;

import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.memory.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.types.*;

public abstract class ImmutableSpace 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) {
      Type type = db.lookupType("ImmutableSpace");
      bottomField = type.getAddressField("_bottom");
      endField    = type.getAddressField("_end");
   }

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

   // Fields
   private static AddressField bottomField;
   private static AddressField endField;

   // Accessors
   public Address   bottom()       { return bottomField.getValue(addr); }
   public Address   end()          { return endField.getValue(addr);    }

   /** Returns a subregion of the space containing all the objects in
      the space. */
   public MemRegion usedRegion() {
      return new MemRegion(bottom(), end());
   }

   /** Support for iteration over heap -- not sure how this will
      interact with GC in reflective system, but necessary for the
      debugging mechanism */
   public OopHandle bottomAsOopHandle() {
      return bottomField.getOopHandle(addr);
   }

   /** returns all MemRegions where live objects are */
   public abstract List/*<MemRegion>*/ getLiveRegions();

   /** Returned value is in bytes */
   public long capacity() { return end().minus(bottom()); }

   public abstract long used();

   /** Testers */
   public boolean contains(Address p) {
      return (bottom().lessThanOrEqual(p) && end().greaterThan(p));
   }

   public void print() { printOn(System.out); }
   public abstract void printOn(PrintStream tty);
}

⏎ sun/jvm/hotspot/gc/parallel/ImmutableSpace.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
Download 

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