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From zouqiong <ust...@gmail.com>
Subject Re: [drlvm][opt] How to get object access sequence during runtime.
Date Tue, 23 Jan 2007 10:33:44 GMT
Hi, Mikhail:
   I implement code to trace object access just follow WB's way. But I'm
afraid that the instrumented code in ops like getfield would effect the
liveness analysis optimize?


2007/1/22, Mikhail Fursov < mike.fursov@gmail.com>:
>
> Hi!
> Your task is very close to write barriers implementation in OPT.
> I think that the best place today is IRBuilder.cpp that is called from
> JavaByteCodeTranslator during HIR creation from Java bytecode.
> See WB implementation as an example and add tracing code to object access
> ops like genLdField..
>
> On 1/22/07, zouqiong <ustczz@gmail.com> wrote:
> >
> > Hi, all:
> >    I want to instrument the Java application when it is compiled by the
> > OPT
> > to gather object access sequences.  However the code generation passes
> by
> > OPT are very complex. Which pass is the most suitable for me to
> instrument
> > the code ?
> >
> > --
> > Best Regards,
> > Qiong,Zou
> >
> >
>
>
> --
> Mikhail Fursov
>
>


-- 
Best Regards,
Qiong,Zou

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