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/BytecodeTableswitch.java

/*
 * Copyright (c) 2001, 2003, 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 sun.jvm.hotspot.oops.*;
import sun.jvm.hotspot.utilities.*;

public class BytecodeTableswitch extends Bytecode {
  BytecodeTableswitch(Method method, int bci) {
    super(method, bci);
  }


  // Attributes
  public int  defaultOffset()     { return javaSignedWordAt(alignedOffset(1 + 0*jintSize)); }
  public int  lowKey()            { return javaSignedWordAt(alignedOffset(1 + 1*jintSize)); }
  public int  highKey()           { return javaSignedWordAt(alignedOffset(1 + 2*jintSize)); }
  public int  length()            { return highKey()-lowKey()+1; }
  public int  destOffsetAt(int i) {
    int x2 = alignedOffset(1 + (3 + i)*jintSize);
    int val = javaSignedWordAt(x2);
    return javaSignedWordAt(alignedOffset(1 + (3 + i)*jintSize));
  }

  public void verify() {
    if (Assert.ASSERTS_ENABLED) {
      Assert.that(isValid(), "check tableswitch");
    }
  }

  public boolean isValid() {
    boolean result = javaCode() == Bytecodes._tableswitch;
    if (result == false) return false;
    int lo = lowKey();
    int hi = highKey();
    if (hi < lo) // incorrect hi/lo values in tableswitch
       return false;

    int i  = hi - lo - 1 ;
    while (i-- > 0) {
      // no special check needed
    }
    return true;
  }

  public static BytecodeTableswitch at(Method method, int bci) {
    BytecodeTableswitch b = new BytecodeTableswitch(method, bci);
    if (Assert.ASSERTS_ENABLED) {
      b.verify();
    }
    return b;
  }

  /** Like at, but returns null if the BCI is not at tableswitch  */
  public static BytecodeTableswitch atCheck(Method method, int bci) {
    BytecodeTableswitch b = new BytecodeTableswitch(method, bci);
    return (b.isValid() ? b : null);
  }

  public static BytecodeTableswitch at(BytecodeStream bcs) {
    return new BytecodeTableswitch(bcs.method(), bcs.bci());
  }

  public String toString() {
    StringBuffer buf = new StringBuffer();
    buf.append("tableswitch");
    buf.append(spaces);
    buf.append("default: ");
    buf.append(Integer.toString(bci() + defaultOffset()));
    buf.append(comma);
    int lo = lowKey();
    int hi = highKey();
    int i  = hi - lo - 1 ;
    while (i-- > 0) {
       buf.append("case ");
       buf.append(Integer.toString(lo + i));
       buf.append(':');
       buf.append(Integer.toString(bci() + destOffsetAt(i)));
       buf.append(comma);
    }
    return buf.toString();
  }
}

sun/jvm/hotspot/interpreter/BytecodeTableswitch.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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