Re: [Capstone-users] cs_regs_access() in Java

[Nguyen A. Q. <aq...@gm...>]

the related commit on bindings support for this API is at
https://github.com/aquynh/capstone/commit/10647aef5899eb79171b1f39125983f7522b83d3

you can see here all the bindings got updated, but Java binding did not
have the API supported yet.

so i think you only need to add the API to Java to finish this job.

just in case, for reference, see how Python supports this API.


Thanks,
Quynh

http://www.capstone-engine.org
http://www.unicorn-engine.org



On Tue, Nov 10, 2015 at 12:17 AM, Philipp Roskosch <
phi...@si...> wrote:

> Hi,
>
> I looked inside the source code and it seems that everything is prepared
> for operands and read/write-register-stuff.
>
> In Capstone.java line 447 we retrieve the information from the "Proxy
> interface to Native Library". In my understanding java is talking to the
> actual capstone implementation and then parses the results. When trying
> to access the "detail-information" (like operands etc) (Capstone.java
> line 138-151) these are not available.
>
> So I wonder which piece is missing in the implementation. If you can
> give me some hint, I'll try to implement it.
>
> Best
> Philipp
>
>
>
> On 09.11.2015 15:41, Nguyen Anh Quynh wrote:
> > On Mon, Nov 9, 2015 at 10:31 PM, Philipp Roskosch <
> > phi...@si...> wrote:
> >
> >> Hello everyone,
> >>
> >> I am trying to implement static analysis for ARM assembly using Capstone
> >> and its Java bindings. The cs_regs_access() API is exactly what I was
> >> looking for. Are there any examples for how to use it correctly?
> >>
> >>
> > this API is not supported by Java binding in the "next" branch yet.
> > if you can implement that, please send a pull request on Github.
> >
> >
> > thanks.
> > Q
> >
> > When trying to display every written and read register the regsWrite and
> >> regsRead array is empty most of the times. Also instruction.operants.op
> >> array is always empty.
> >>
> >> I turned on the details with "cs.setDetail(Capstone.CS_OPT_ON);".
> >> Displaying accessed registers looks like this:
> >>
> >> for(short i: instruction.regsWrite)
> >>   System.out.println("Written: " + instruction.regName( i ));
> >>
> >>
> >> Help is much appreciated!
> >>
> >> Best regards,
> >> Philipp
> >>
> >>
> >>
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> >
> >
> >
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> > Presto, an open source distributed SQL query engine for big data,
> initially
> > developed by Facebook, enables you to easily query your data on Hadoop
> in a
> > more interactive manner. Teradata is also now providing full enterprise
> > support for Presto. Download a free open source copy now.
> > http://pubads.g.doubleclick.net/gampad/clk?id=250295911&iu=/4140
> >
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> ------------------------------------------------------------------------------
> Presto, an open source distributed SQL query engine for big data, initially
> developed by Facebook, enables you to easily query your data on Hadoop in a
> more interactive manner. Teradata is also now providing full enterprise
> support for Presto. Download a free open source copy now.
> http://pubads.g.doubleclick.net/gampad/clk?id=250295911&iu=/4140
> _______________________________________________
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