java assembler??

"malinda" <malinda.fernando@gmail.com>
30 Apr 2005 11:00:53 -0400

          From comp.compilers

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java assembler?? malinda.fernando@gmail.com (malinda) (2005-04-30)
Re: java assembler?? roderick.bloem@ist.tu-graz.ac.at (Roderick Bloem) (2005-04-30)
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From: "malinda" <malinda.fernando@gmail.com>
Newsgroups: comp.compilers
Date: 30 Apr 2005 11:00:53 -0400
Organization: http://groups.google.com
Keywords: Java, code, question
Posted-Date: 30 Apr 2005 11:00:53 EDT

when a small program like


class Hello{


public static void main(String arg[])


{


System.out.println("HEllo World");


}


}


was compiled and then the i took the java byte code instruction
through JAVAP option
the byte code instructions for the above program was


Compiled from "Hello.java"
class Hello extends java.lang.Object{
Hello();
Code:
0: aload_0
1: invokespecial #1; //Method java/lang/Object."<init>":()V
4: return


public static void main(java.lang.String[]);
Code:
0: getstatic #2; //Field
java/lang/System.out:Ljava/io/PrintStream;
3: ldc #3; //String HEllo World
5: invokevirtual #4; //Method
java/io/PrintStream.println:(Ljava/lang/Str
ing;)V
8: return


}
without giving the program "Hello.java"
to the JVM how can i run the "Hello" program through JVM by giving the
above byte code instructions "which was gained by using the javap
option" to the JVM??




basicaly I want to get the output of "Hello World" by giving the below
byte code instructions to the JVM
(what I need to do is that assemble the byte code which was
disassembled
  and make it to the .class format so I can run the above programme
through JVM )


Compiled from "Hello.java"
class Hello extends java.lang.Object{
Hello();
Code:
0: aload_0
1: invokespecial #1; //Method java/lang/Object."<init>":()V
4: return


public static void main(java.lang.String[]);
Code:
0: getstatic #2; //Field
java/lang/System.out:Ljava/io/PrintStream;
3: ldc #3; //String HEllo World
5: invokevirtual #4; //Method
java/io/PrintStream.println:(Ljava/lang/Str
ing;)V
8: return


}


If somebodyt know about a java tool I can use to assemble the code wich
i disassembled please advice me!!!!


my e-mail: malinda.fernando@gmail.com


thanks


- Malinda



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