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/interpreter/InterpreterCodelet.java

/*
 * Copyright (c) 2000, 2004, 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.interpreter;

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

import sun.jvm.hotspot.code.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.types.*;
import sun.jvm.hotspot.utilities.*;

/** An InterpreterCodelet is a piece of interpreter code. All
    interpreter code is generated into little codelets which contain
    extra information for debugging and printing purposes. */

public class InterpreterCodelet extends Stub {
  private static long          instanceSize;
  private static CIntegerField sizeField;             // the size in bytes
  private static AddressField  descriptionField;      // a description of the codelet, for debugging & printing
  private static CIntegerField bytecodeField;         // associated bytecode if any

  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("InterpreterCodelet");

    sizeField            = type.getCIntegerField("_size");
    descriptionField     = type.getAddressField("_description");
    bytecodeField        = type.getCIntegerField("_bytecode");

    instanceSize = type.getSize();
  }

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

  public long getSize() {
    return sizeField.getValue(addr);
  }

  public Address codeBegin() {
    return addr.addOffsetTo(instanceSize);
  }

  public Address codeEnd() {
    return addr.addOffsetTo(getSize());
  }

  public long codeSize() {
    return codeEnd().minus(codeBegin());
  }

  public String getDescription() {
    return CStringUtilities.getString(descriptionField.getValue(addr));
  }

  public void verify() {
  }

  public void printOn(PrintStream tty) {
    String desc = getDescription();
    if (desc != null) {
      tty.print(desc);
    }
    // FIXME: add printing of bytecode
    tty.println(" [" + codeBegin() + ", " + codeEnd() + ")  " +
                codeSize() + " bytes  ");
    // FIXME: add disassembly
  }
}

sun/jvm/hotspot/interpreter/InterpreterCodelet.java

 

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