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.

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sun/jvm/hotspot/oops/TypeEntries.java

/*
 * Copyright (c) 2014, 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.oops;

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

// Entries in a ProfileData object to record types: it can either be
// none (no profile), unknown (conflicting profile data) or a klass if
// a single one is seen. Whether a null reference was seen is also
// recorded. No counter is associated with the type and a single type
// is tracked (unlike VirtualCallData).
public abstract class TypeEntries<K,M> {
  static final int nullSeen = 1;
  static final int typeMask = ~nullSeen;
  static final int typeUnknown = 2;
  static final int statusBits = nullSeen | typeUnknown;
  static final int typeKlassMask = ~statusBits;

  final ProfileData pd;
  final int baseOff;
  final MethodDataInterface<K,M> methodData;

  boolean wasNullSeen(int index) {
    int v = pd.intptrAt(index);
    return (v & nullSeen) != 0;
  }

  boolean isTypeUnknown(int index) {
    int v = pd.intptrAt(index);
    return (v & typeUnknown) != 0;
  }

  boolean isTypeNone(int index) {
    int v = pd.intptrAt(index);
    return (v & typeMask) == 0;
  }

  K validKlass(int index) {
    if (!isTypeNone(index) &&
        !isTypeUnknown(index)) {
      return methodData.getKlassAtAddress(pd.addressAt(index).andWithMask(typeKlassMask));
    } else {
      return null;
    }
  }

  void printKlass(PrintStream st, int index) {
    if (isTypeNone(index)) {
      st.print("none");
    } else if (isTypeUnknown(index)) {
      st.print("unknown");
    } else {
      methodData.printKlassValueOn(validKlass(index), st);
    }
    if (wasNullSeen(index)) {
      st.print(" (null seen)");
    }
  }

  TypeEntries(MethodDataInterface<K,M> methodData, ProfileData pd, int baseOff) {
    this.pd = pd;
    this.baseOff = baseOff;
    this.methodData = methodData;
  }

  long intptrAt(int index) {
    return pd.intptrAt(index);
  }

}

sun/jvm/hotspot/oops/TypeEntries.java

 

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