Can DynamoRIO instrument Android app?

[Rewhy]

Now I have run DynamoRIO on Android 4.4 successfully, however I can only use it to instrument android application running in native layer.

So I want to know how to instrument Android app concluding both gui and native module (.so) with DynamoRIO. 

Thanks. 

[Qin Zhao]

DR only instrument code at native binary level. It makes more sense to let the virtual machine to instrument the app code that is running on the VM. 

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[Rewhy]

If I want to use DR to instrument the native library of one Android apk , how I should do? 

Thanks so much.

[Qin Zhao]

On Wed, Nov 4, 2015 at 8:03 AM, Rewhy <qqxu...@gmail.com> wrote:

If I want to use DR to instrument the native library of one Android apk , how I should do? 

Thanks so much.

You mean an Android app has both native part and non-native part. DynamoRIO does not support such hybrid execution on Android.

To support that, you need change the system to let VM to pass the control to DR instead of directly executing the native code.

That sounds an interesting project, and we welcome any contribution on that.

[Rewhy]

I got it and I will take a try. Thanks so much.

[zakk...@gmail.com]

Hello, I also interested in dynamorio especially with ART runtime in anndroid 5.0
Could you tell me about possibility of instrumentation or tracing odex binary? ( in ART, odex is a kind of android customized ELF which is compiled by AOT compiler)

Thanks.

[Qin Zhao]

I am not a real expert on Android.

We just port DynamoRIO to ARM and native app for Android, have not tried the ART, so I am afraid that I cannot help you much on that.

If you tried or have more information about it, please share your knowledge with us, which would help us make it happen.

[zakk...@gmail.com]

I'm also not expert(even beginner) about dynamoRIO, but of course I'll share my knowledge if i get any information about this.

Thanks

[Qin Zhao]

I would love to help on anything DynamoRIO related.

What I really want is the details of how an ART program is running and interact with the system to see if it is possible to run with DR.

[Nikhil Agrawal]

Hi everyone,

I wanted to get the dynamic instruction trace for the Android Apps if we running a very basic app on Android 4.4. May I know the command for running the Dynamorio on Android 4.4? Is it 

./drrun -c /path/to/libinstrace_*.so -- path/to/apk

Is the above command correct?

[Abhinav Sharma]

Hi Nikhil,

The section on "Android Deployment" at https://dynamorio.org/dynamorio_docs/page_deploy.html contains more details. Does that help?

Abhinav

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[Abhinav Sharma]

We're in the process of migrating some of our pages. If the above link doesn't work, then try https://dynamorio.org/page_deploy.html#android_deploy.