[Soot-list] Heros question

[Bodden, Eric]

On 09.04.2013, at 22:49, Henddher Pedroza <hpedro2 at uic.edu> wrote:

> Never mind. I found the problem on my end.

Great. For the record, would you let us know what the problem was?

Eric


> 
> On Apr 9, 2013 11:22 AM, "Henddher Pedroza" <hpedro2 at uic.edu> wrote:
> Hello all,
> 
> I am trying to use Heros but I am having difficulties.
> 
> I have a simple Java stand-alone app composed of 2 classes, DummyMain and ClassC:
> 
> public class DummyMain {
> 
> 	public static void main(String[] args) {
> 		Thread ttt = new Thread(new Runnable() {
> 			public void run() {
> 				ClassC c = new ClassC();
> 				c.doSomething();  // Statement Sx
> 			}
> 		});
> 		ttt.start();
> 	}
> }
> 
> public class ClassC {
> 	public void doSomething() {
> 		System.out.println(this + " doSomething");
> 	}
> }
> 
> I am using IFDSUninitializedVariables but I think it does not matter in this case since I am not looking at the solution produced by the Solver.
> 
> The issue I am observing is the following:
> 
> I added "System.out.println" to each callback method in FlowFunctions of IFDSUninitializedVariables. Basically, I want to see how/when these are called by the framework. 
> 
> However, I NEVER see any callback for the "c.doSomething()" invocation inside the "run" method of my dummy Thread t (statement Sx).
> 
> How is this possible?
> 
> I think "c.doSomething()" is reachable from "DummyMain.main(String[])".  Am I flat-out wrong? 
> 
> Why is it that none of the FlowFunctions callbacks is ever invoked for the unit corresponding to statement Sx?
> 
> The initialSeeds I am "feeding" into the framework are each of the start units of each of the default entry points. IOW, this:
> 
> protected void internalTransform(String phaseName, @SuppressWarnings("rawtypes") Map options) {
> 
> 	this.cg = new JimpleBasedInterproceduralCFG();
> 
> 	for (SootMethod sm : Scene.v().getEntryPoints()) {
> 		if (!sm.isConcrete()) {
> 			System.out.println("WARN: found no callers of entrypoint method " + sm.getSignature());
> 			continue;
> 		}
> 		Set<Unit> unitEntryPoints = cg.getStartPointsOf(sm);
> 		assert unitEntryPoints != null;
> 		if (unitEntryPoints.isEmpty()) {
> 			System.out.println("WARN: found no callers of entrypoint method " + sm.getSignature());
> 		}
> 		else {
> 			initialSeeds.addAll(unitEntryPoints);
> 		}
> 	}
> 
>  ....
> 
> 	IFDSTabulationProblem<Unit,Pair<Local, BitSet>,SootMethod,InterproceduralCFG<Unit,SootMethod>> problem 
> 			= new ...
> 	...
> 	IFDSSolver<Unit,Pair<Local, BitSet>,SootMethod,InterproceduralCFG<Unit,SootMethod>> solver 
> 			= new IFDSSolver<Unit,Pair<Local, BitSet>,SootMethod,InterproceduralCFG<Unit,SootMethod>>(problem);
> 		
> 	solver.solve();
> }
> 
> Also, my running settings are as follow:
> -cp ../Dummy/bin/ -process-dir ../Dummy/bin/ -pp -w -no-bodies-for-excluded -allow-phantom-refs
> -Xmx4000m -ea
> 
> I am also following the example Main.java located at soot/soot/jimple/toolkits/ide
> 
> Any help is appreciated.
> 
> Thanks in advance.
> 
> - Henddher
> 
> _______________________________________________
> Soot-list mailing list
> Soot-list at sable.mcgill.ca
> http://mailman.cs.mcgill.ca/mailman/listinfo/soot-list

--
Eric Bodden, Ph.D., http://sse.ec-spride.de/ http://bodden.de/
Head of Secure Software Engineering Group at EC SPRIDE
Tel: +49 6151 16-75422    Fax: +49 6151 16-72051
Room 3.2.14, Mornewegstr. 30, 64293 Darmstadt