Re: Bytecode offset table support

[Feng QIAN <fqian@sable.mcgill.ca>]

Thanks for your contribution, I will integret it to soot repository if
there is no conflict.

Cheers,
===========================================================
Feng Qian                             fqian@sable.mcgill.ca
Sable Research Group             http://www.sable.mcgill.ca
McGill University                          Montreal, Canada

On Mon, 7 Oct 2002, roman wrote:

> Hi,
> please find in this mail an attachment containing support for byte-code
> offset tags.
> If it's possible, we would very much like this to be integrated into future
> Soot builds.
>
> Here's a list of the changes:
> 1. The class soot.Main was modified to know about byte-code offset tags
> (whether to keep the tables).
> 2. A new class 'ByteCodeOffsetTag' was added.
> 3. The 'CFG' class was modified, so that at the end of 'generateJimple' it
> adds the byte-code offset
> to the statement object.
>
> By the way, I noticed that the local variables 'localIndex' is unused in the
> 'generateJimple' method.
> I also noticed that the API javadocs are missing for most of the classes in
> the coffi package
> (InstructionXXX).
>
> Roman
>
> ----------------------------------------------------------------------------
> ------
>
> > I noticed that the current soot version includes line number table
> support.
> > Is there also a way to get "bytecode offset table" information, i.e.,
> getting
> > for a jimple statement the offset of its corresponding bytetcode in the
> > jimplified method.
> Yes,
>
> > If there is no current way, would adding a BytecodeOffsetTag (this is a
> > currently non-existing tag) to a jimple statement and setting it during
> > soot.coffi.CFG.generateJimple to the label of the jimplified instruction
> do the
> > job?
> It is the right way.
>
> Cheers,
> Feng
>