private static List<Unit> searchIfStmts(Body b) {
   List<Unit> searchResult = new ArrayList<Unit>();
   PatchingChain<Unit> statements = b.getUnits();
   Iterator<Unit> unitIt = statements.iterator();
   // iterate through the Units of the body
   while (unitIt.hasNext()) {
     Unit tempUnit = unitIt.next();
     // if the unit is a "if statement"
     if (tempUnit instanceof soot.jimple.internal.JIfStmt) searchResult.add(tempUnit);
   }
   return searchResult;
 }
  public static void main(String args[]) {
    // Set classPath
    String exemplePath = "/Users/gamyot/Documents/workspace/Soot_Exemples/src/";
    String objectPath = "/System/Library/Frameworks/JavaVM.framework/Classes/classes.jar";
    String tracePath = "/Users/gamyot/Documents/workspace/SootInstrumenter/src/";

    Scene.v().setSootClassPath(".:" + objectPath + ":" + exemplePath + ":" + tracePath);

    Scene.v().loadClassAndSupport("java.lang.Object");
    Scene.v().loadClassAndSupport("java.lang.System");

    // Set up the class we’re working with
    SootClass c = Scene.v().loadClassAndSupport("MyExemples.ExempleBasic");
    c.setApplicationClass();

    // Get methods
    Iterator<SootMethod> methodIterator = c.methodIterator();
    while (methodIterator.hasNext()) methodList.add(methodIterator.next());
    // Iterate through the method list
    for (SootMethod m : methodList) {
      Body body = m.retrieveActiveBody();
      PatchingChain<Unit> unitList = body.getUnits();
      // get the all the "if statements" Units
      List<Unit> ifStmtList = searchIfStmts(body);

      // for each "if statement" unit, instrument and add the instrumentation code right after
      for (Unit ifStmtUnit : ifStmtList) {
        // Chain<Unit> instrumentedChain = generateInstrumentationUnits(ifStmtUnit, body);
        // unitList.insertAfter(instrumentedChain, ifStmtUnit);
        Chain<Unit> testChain = generateInstrumentationUnits(ifStmtUnit, body);
        unitList.insertAfter(testChain, ifStmtUnit);
      }
      // Output all the units for this method on terminal
      String methodName = m.getName();
      System.out.println(
          "____Method: \"" + methodName + "\"__________________________________________________");
      LoadAndGenerate.printAllUnits(body);
    }

    try {
      LoadAndGenerate.outputClassToBinary(c);
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
Example #3
0
  /**
   * Constructs a graph for the units found in the provided Body instance. Each node in the graph
   * corresponds to a unit. The edges are derived from the control flow.
   *
   * @param body The underlying body we want to make a graph for.
   * @param addExceptionEdges If true then the control flow edges associated with exceptions are
   *     added.
   * @param dontAddEdgeFromStmtBeforeAreaOfProtectionToCatchBlock This was added for Dava. If true,
   *     edges are not added from statement before area of protection to catch. If false, edges ARE
   *     added. For Dava, it should be true. For flow analyses, it should be false.
   * @param Hierarchy Using class hierarchy analysis to find the run method of started thread
   * @param PointsToAnalysis Using point to analysis (SPARK package) to improve the precision of
   *     results
   */
  public PegGraph(
      CallGraph callGraph,
      Hierarchy hierarchy,
      PAG pag,
      Set methodsNeedingInlining,
      Set allocNodes,
      List<List> inlineSites,
      Map<SootMethod, String> synchObj,
      Set multiRunAllocNodes,
      Map<AllocNode, String> allocNodeToObj,
      Body unitBody,
      String threadName,
      SootMethod sm,
      boolean addExceEdge,
      boolean dontAddEdgeFromStmtBeforeAreaOfProtectionToCatchBlock) {
    this.allocNodeToObj = allocNodeToObj;
    this.multiRunAllocNodes = multiRunAllocNodes;
    this.synchObj = synchObj;
    this.inlineSites = inlineSites;
    this.allocNodes = allocNodes;
    this.methodsNeedingInlining = methodsNeedingInlining;
    logFile = new File("log.txt");
    try {
      fileWriter = new FileWriter(logFile);
    } catch (IOException io) {
      System.err.println("Errors occur during create FileWriter !");
      //			throw io;
    }

    body = unitBody;
    synch = new HashSet<List>();
    exceHandlers = new HashSet<Unit>();
    needInlining = true;
    monitorObjs = new HashSet<Object>();
    startToBeginNodes = new HashMap();
    unitChain = body.getUnits();
    int size = unitChain.size();
    // initial unitToSuccs, unitToPreds, unitToPegMap, and startToThread
    unitToSuccs = new HashMap(size * 2 + 1, 0.7f);
    unitToPreds = new HashMap(size * 2 + 1, 0.7f);
    // unitToPegMap is the map of a chain to its corresponding (cfg node --> peg node ) map.
    unitToPegMap = new HashMap(size * 2 + 1, 0.7f);
    startToThread = new HashMap(size * 2 + 1, 0.7f);
    startToAllocNodes = new HashMap(size * 2 + 1, 0.7f);
    waitingNodes = new HashMap<String, FlowSet>(size * 2 + 1, 0.7f);
    joinStmtToThread = new HashMap<JPegStmt, Chain>();
    threadNo = new HashMap();
    threadNameToStart = new HashMap();
    this.allocNodeToObj = new HashMap<AllocNode, String>(size * 2 + 1, 0.7f);
    allocNodeToThread = new HashMap<AllocNode, PegChain>(size * 2 + 1, 0.7f);
    notifyAll = new HashMap<String, Set<JPegStmt>>(size * 2 + 1, 0.7f);

    methodsNeedingInlining = new HashSet();
    allNodes = new ArraySparseSet();
    canNotBeCompacted = new HashSet();
    threadAllocSites = new HashSet();
    specialJoin = new HashSet<JPegStmt>();
    //       if(Main.isVerbose)
    //   System.out.println("     Constructing PegGraph...");

    // if(Main.isProfilingOptimization)
    //   Main.graphTimer.start();
    // make a peg for debug
    /*
    mainPegChain = new HashChain();
    specialTreatment1();
    */
    // end make a peg

    UnitGraph mainUnitGraph = new CompleteUnitGraph(body);
    //	mainPegChain = new HashChain();
    mainPegChain =
        new PegChain(
            callGraph,
            hierarchy,
            pag,
            threadAllocSites,
            methodsNeedingInlining,
            allocNodes,
            inlineSites,
            synchObj,
            multiRunAllocNodes,
            allocNodeToObj,
            body,
            sm,
            threadName,
            true,
            this);

    // testPegChain();

    //		System.out.println("finish building chain");
    // testStartToThread();
    // buildSuccessor(mainUnitGraph, mainPegChain,addExceptionEdges);
    //	buildSuccessorForExtendingMethod(mainPegChain);
    // testSet(exceHandlers, "exceHandlers");
    buildSuccessor(mainPegChain);
    // System.out.println("finish building successors");
    // unmodifiableSuccs(mainPegChain);
    // testUnitToSucc );
    buildPredecessor(mainPegChain);
    // System.out.println("finish building predcessors");
    // unmodifiablePreds(mainPegChain);
    // testSynch();
    addMonitorStmt();
    addTag();
    //	System.out.println(this.toString());
    buildHeadsAndTails();

    // testIterator();
    // testWaitingNodes();

    //	System.out.println("finish building heads and tails");

    // testSet(canNotBeCompacted, "canNotBeCompacted");
    //	computeEdgeAndThreadNo();
    //	testExtendingPoints();
    //	testUnitToSucc();

    // testPegChain();
    /*	if (print) {
    PegToDotFile printer1 = new PegToDotFile(this, false, sm.getName());
    }
    */
    try {
      fileWriter.flush();
      fileWriter.close();
    } catch (IOException io) {
      System.err.println("Errors occur during close file  " + logFile.getName());
      //        throw io;
    }
    // System.out.println("==threadAllocaSits==\n"+threadAllocSites.toString());

  }
Example #4
0
  /** Prints the given <code>JimpleBody</code> to the specified <code>PrintWriter</code>. */
  private void printStatementsInBody(
      Body body, java.io.PrintWriter out, LabeledUnitPrinter up, UnitGraph unitGraph) {
    Chain units = body.getUnits();
    Iterator unitIt = units.iterator();
    Unit currentStmt = null, previousStmt;

    while (unitIt.hasNext()) {

      previousStmt = currentStmt;
      currentStmt = (Unit) unitIt.next();

      // Print appropriate header.
      {
        // Put an empty line if the previous node was a branch node, the current node is a join node
        //   or the previous statement does not have body statement as a successor, or if
        //   body statement has a label on it

        if (currentStmt != units.getFirst()) {
          if (unitGraph.getSuccsOf(previousStmt).size() != 1
              || unitGraph.getPredsOf(currentStmt).size() != 1
              || up.labels().containsKey(currentStmt)) {
            up.newline();
          } else {
            // Or if the previous node does not have body statement as a successor.

            List succs = unitGraph.getSuccsOf(previousStmt);

            if (succs.get(0) != currentStmt) {
              up.newline();
            }
          }
        }

        if (up.labels().containsKey(currentStmt)) {
          up.unitRef(currentStmt, true);
          up.literal(":");
          up.newline();
        }

        if (up.references().containsKey(currentStmt)) {
          up.unitRef(currentStmt, false);
        }
      }

      up.startUnit(currentStmt);
      currentStmt.toString(up);
      up.endUnit(currentStmt);

      up.literal(";");
      up.newline();

      // only print them if not generating attributes files
      // because they mess up line number
      // if (!addJimpleLn()) {
      if (Options.v().print_tags_in_output()) {
        Iterator tagIterator = currentStmt.getTags().iterator();
        while (tagIterator.hasNext()) {
          Tag t = (Tag) tagIterator.next();
          up.noIndent();
          up.literal("/*");
          up.literal(t.toString());
          up.literal("*/");
          up.newline();
        }
        /*Iterator udIt = currentStmt.getUseAndDefBoxes().iterator();
        while (udIt.hasNext()) {
            ValueBox temp = (ValueBox)udIt.next();
            Iterator vbtags = temp.getTags().iterator();
            while (vbtags.hasNext()) {
                Tag t = (Tag) vbtags.next();
                up.noIndent();
                up.literal("VB Tag: "+t.toString());
                up.newline();
            }
        }*/
      }
    }

    out.print(up.toString());
    if (addJimpleLn()) {
      setJimpleLnNum(up.getPositionTagger().getEndLn());
    }

    // Print out exceptions
    {
      Iterator trapIt = body.getTraps().iterator();

      if (trapIt.hasNext()) {
        out.println();
        incJimpleLnNum();
      }

      while (trapIt.hasNext()) {
        Trap trap = (Trap) trapIt.next();

        out.println(
            "        catch "
                + Scene.v().quotedNameOf(trap.getException().getName())
                + " from "
                + up.labels().get(trap.getBeginUnit())
                + " to "
                + up.labels().get(trap.getEndUnit())
                + " with "
                + up.labels().get(trap.getHandlerUnit())
                + ";");

        incJimpleLnNum();
      }
    }
  }