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/debugger/bsd/x86/BsdX86CFrame.java

/*
 * Copyright (c) 2003, 2012, 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.debugger.bsd.x86;

import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.bsd.*;
import sun.jvm.hotspot.debugger.cdbg.*;
import sun.jvm.hotspot.debugger.cdbg.basic.*;
import sun.jvm.hotspot.debugger.x86.*;

final public class BsdX86CFrame extends BasicCFrame {
   // package/class internals only
   public BsdX86CFrame(BsdDebugger dbg, Address ebp, Address pc) {
      super(dbg.getCDebugger());
      this.ebp = ebp;
      this.pc = pc;
      this.dbg = dbg;
   }

   // override base class impl to avoid ELF parsing
   public ClosestSymbol closestSymbolToPC() {
      // try native lookup in debugger.
      return dbg.lookup(dbg.getAddressValue(pc()));
   }

   public Address pc() {
      return pc;
   }

   public Address localVariableBase() {
      return ebp;
   }

   public CFrame sender(ThreadProxy thread) {
      X86ThreadContext context = (X86ThreadContext) thread.getContext();
      Address esp = context.getRegisterAsAddress(X86ThreadContext.ESP);

      if ( (ebp == null) || ebp.lessThan(esp) ) {
        return null;
      }

      Address nextEBP = ebp.getAddressAt( 0 * ADDRESS_SIZE);
      if (nextEBP == null) {
        return null;
      }
      Address nextPC  = ebp.getAddressAt( 1 * ADDRESS_SIZE);
      if (nextPC == null) {
        return null;
      }
      return new BsdX86CFrame(dbg, nextEBP, nextPC);
   }

   private static final int ADDRESS_SIZE = 4;
   private Address pc;
   private Address ebp;
   private BsdDebugger dbg;
}

⏎ sun/jvm/hotspot/debugger/bsd/x86/BsdX86CFrame.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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