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/BytecodeDisassembler.java

/*
 * Copyright (c) 2002, 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.interpreter;

import java.util.*;
import java.lang.reflect.Constructor;
import sun.jvm.hotspot.oops.*;
import sun.jvm.hotspot.utilities.*;

public class BytecodeDisassembler {
   private Method method;

   private static Map bytecode2Class = new HashMap(); // Map<int, Class>

   private static void addBytecodeClass(int bytecode, Class clazz) {
      bytecode2Class.put(new Integer(bytecode), clazz);
   }

   private static Class getBytecodeClass(int bytecode) {
      return (Class) bytecode2Class.get(new Integer(bytecode));
   }

   static {
      addBytecodeClass(Bytecodes._anewarray, BytecodeANewArray.class);
      addBytecodeClass(Bytecodes._bipush, BytecodeBipush.class);
      addBytecodeClass(Bytecodes._checkcast, BytecodeCheckCast.class);
      addBytecodeClass(Bytecodes._getfield, BytecodeGetField.class);
      addBytecodeClass(Bytecodes._getstatic, BytecodeGetStatic.class);
      addBytecodeClass(Bytecodes._goto, BytecodeGoto.class);
      addBytecodeClass(Bytecodes._goto_w, BytecodeGotoW.class);
      addBytecodeClass(Bytecodes._ifeq, BytecodeIf.class);
      addBytecodeClass(Bytecodes._ifne, BytecodeIf.class);
      addBytecodeClass(Bytecodes._iflt, BytecodeIf.class);
      addBytecodeClass(Bytecodes._ifge, BytecodeIf.class);
      addBytecodeClass(Bytecodes._ifgt, BytecodeIf.class);
      addBytecodeClass(Bytecodes._ifle, BytecodeIf.class);
      addBytecodeClass(Bytecodes._if_icmpeq, BytecodeIf.class);
      addBytecodeClass(Bytecodes._if_icmpne, BytecodeIf.class);
      addBytecodeClass(Bytecodes._if_icmplt, BytecodeIf.class);
      addBytecodeClass(Bytecodes._if_icmpge, BytecodeIf.class);
      addBytecodeClass(Bytecodes._if_icmpgt, BytecodeIf.class);
      addBytecodeClass(Bytecodes._if_icmple, BytecodeIf.class);
      addBytecodeClass(Bytecodes._if_acmpeq, BytecodeIf.class);
      addBytecodeClass(Bytecodes._if_acmpne, BytecodeIf.class);
      addBytecodeClass(Bytecodes._ifnull, BytecodeIf.class);
      addBytecodeClass(Bytecodes._ifnonnull, BytecodeIf.class);
      addBytecodeClass(Bytecodes._iinc, BytecodeIinc.class);
      addBytecodeClass(Bytecodes._instanceof, BytecodeInstanceOf.class);
      addBytecodeClass(Bytecodes._invokevirtual, BytecodeInvoke.class);
      addBytecodeClass(Bytecodes._invokestatic, BytecodeInvoke.class);
      addBytecodeClass(Bytecodes._invokespecial, BytecodeInvoke.class);
      addBytecodeClass(Bytecodes._invokeinterface, BytecodeInvoke.class);
      addBytecodeClass(Bytecodes._invokedynamic, BytecodeInvoke.class);
      addBytecodeClass(Bytecodes._jsr, BytecodeJsr.class);
      addBytecodeClass(Bytecodes._jsr_w, BytecodeJsrW.class);
      addBytecodeClass(Bytecodes._iload, BytecodeLoad.class);
      addBytecodeClass(Bytecodes._lload, BytecodeLoad.class);
      addBytecodeClass(Bytecodes._fload, BytecodeLoad.class);
      addBytecodeClass(Bytecodes._dload, BytecodeLoad.class);
      addBytecodeClass(Bytecodes._aload, BytecodeLoad.class);
      addBytecodeClass(Bytecodes._ldc,   BytecodeLoadConstant.class);
      addBytecodeClass(Bytecodes._ldc_w, BytecodeLoadConstant.class);
      addBytecodeClass(Bytecodes._ldc2_w, BytecodeLoadConstant.class);
      addBytecodeClass(Bytecodes._lookupswitch, BytecodeLookupswitch.class);
      addBytecodeClass(Bytecodes._multianewarray, BytecodeMultiANewArray.class);
      addBytecodeClass(Bytecodes._new, BytecodeNew.class);
      addBytecodeClass(Bytecodes._newarray, BytecodeNewArray.class);
      addBytecodeClass(Bytecodes._putfield, BytecodePutField.class);
      addBytecodeClass(Bytecodes._putstatic, BytecodePutStatic.class);
      addBytecodeClass(Bytecodes._ret, BytecodeRet.class);
      addBytecodeClass(Bytecodes._sipush, BytecodeSipush.class);
      addBytecodeClass(Bytecodes._istore, BytecodeStore.class);
      addBytecodeClass(Bytecodes._lstore, BytecodeStore.class);
      addBytecodeClass(Bytecodes._fstore, BytecodeStore.class);
      addBytecodeClass(Bytecodes._dstore, BytecodeStore.class);
      addBytecodeClass(Bytecodes._astore, BytecodeStore.class);
      addBytecodeClass(Bytecodes._tableswitch, BytecodeTableswitch.class);
   }

   public BytecodeDisassembler(Method method) {
      this.method = method;
   }

   public Method getMethod() {
      return method;
   }

   public void decode(BytecodeVisitor visitor) {
      visitor.prologue(method);

      BytecodeStream stream = new BytecodeStream(method);
      int javacode = Bytecodes._illegal;
      while ( (javacode = stream.next()) != Bytecodes._illegal) {
         // look for special Bytecode class
         int bci = stream.bci();
         int hotspotcode = method.getBytecodeOrBPAt(bci);
         Class clazz = getBytecodeClass(javacode);
         if (clazz == null) {
            // check for fast_(i|a)_access_0
            clazz = getBytecodeClass(hotspotcode);
            if (clazz == null) {
               // use generic bytecode class
               clazz = Bytecode.class;
            }
         }

         // All bytecode classes must have a constructor with signature
         // (Lsun/jvm/hotspot/oops/Method;I)V

         Constructor cstr = null;
         try {
            cstr = clazz.getDeclaredConstructor(new Class[] { Method.class, Integer.TYPE });
         } catch(NoSuchMethodException nomethod) {
            if (Assert.ASSERTS_ENABLED) {
               Assert.that(false, "Bytecode class without proper constructor!");
            }
         }

         Bytecode bytecodeObj = null;
         try {
            bytecodeObj = (Bytecode)cstr.newInstance(new Object[] { method, new Integer(bci) });
         } catch (Exception exp) {
            if (Assert.ASSERTS_ENABLED) {
               Assert.that(false, "Bytecode instance of class "
                           + clazz.getName() + " can not be created!");
            }
         }

         if (stream.isWide()) {
            visitor.visit(new Bytecode(method, bci - 1));
         }

         try {
            visitor.visit(bytecodeObj);
         } catch(ClassCastException castfail) {
             castfail.printStackTrace();
             System.err.println(method.getAddress() + " " + bci);
         }
      }

      visitor.epilogue();
   }
}

sun/jvm/hotspot/interpreter/BytecodeDisassembler.java

 

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