src/org/ibex/arenaj/Main.java

   1 package org.ibex.arenaj;
   2 import soot.*;
   3 import soot.jimple.*;
   4 import soot.util.*;
   5 import java.io.*;
   6 import java.util.*;
   7
   8 public class Main extends SceneTransformer {
   9
  10     public static final int initialSize = 1000;
  11
  12     private static Main instance = new Main();
  13     private Main() { }
  14     public static Main v() { return instance; }
  15
  16     public static void main(String[] args) throws Exception {
  17         if(args.length == 0) {
  18             System.out.println("Syntax: java " + v().getClass().getName() + " [soot options]");
  19             System.exit(0);
  20         }
  21         PackManager.v().getPack("wjtp").add(new Transform("wjtp.tx", Main.v()));
  22         String[] args2 = new String[args.length + 14];
  23         System.arraycopy(args, 0, args2, 0, args.length-1);
  24         String sootcp =
  25             System.getProperty("java.class.path") +
  26             File.pathSeparator +
  27             System.getProperty("sun.boot.class.path");
  28         String extDirs = System.getProperty("java.ext.dirs");
  29         if (extDirs != null) {
  30             StringTokenizer st = new StringTokenizer(extDirs, File.pathSeparatorChar+"");
  31             while(st.hasMoreTokens()) {
  32                 String goo = st.nextToken();
  33                 System.out.println("goo " + goo);
  34                 File f = new File(goo);
  35                 if (!f.exists() || !f.isDirectory()) continue;
  36                 String[] jars = f.list();
  37                 for(int i=0; i<jars.length; i++)
  38                     sootcp += File.pathSeparator + f.getPath() + File.separatorChar + jars[i];
  39             }
  40         }
  41         args2[args.length - 1] = "-w";
  42         args2[args.length + 0] = "-p";
  43         args2[args.length + 1] = "cg";
  44         args2[args.length + 2] = "enabled:false";
  45         args2[args.length + 3] = "-p";
  46         args2[args.length + 4] = "wjap";
  47         args2[args.length + 5] = "enabled:false";
  48         args2[args.length + 6] = "-p";
  49         args2[args.length + 7] = "jtp";
  50         args2[args.length + 8] = "enabled:false";
  51         //args2[args.length + 9] = "-keep-line-number";
  52         args2[args.length + 9] = "-allow-phantom-refs";
  53         args2[args.length + 10] = "-allow-phantom-refs";
  54         args2[args.length + 11] = "-cp";
  55         args2[args.length + 12] = sootcp;
  56         System.out.println("sootcp => " + sootcp);
  57         args2[args.length + 13] = args[args.length-1];
  58         for(int i=0; i<args2.length; i++) System.out.println("args2["+i+"] = " + args2[i]);
  59         soot.Main.main(args2);
  60     }
  61
  62     static int tfr = 0;
  63
  64     public static Local newLocal(Body b, Type t) {
  65         Local l = Jimple.v().newLocal("tmpRef" + (tfr++), t);
  66         b.getLocals().add(l);
  67         return l;
  68     }
  69
  70     public static Local viaLocal(Value v, Body b) {
  71         Local l = newLocal(b, v.getType());
  72         if (v instanceof IdentityRef) {
  73             b.getUnits().addFirst(Jimple.v().newIdentityStmt(l, v));
  74         } else {
  75             b.getUnits().addFirst(Jimple.v().newAssignStmt(l, v));
  76         }
  77         return l;
  78     }
  79     public static Local viaLocal(Value v, Body b, Unit u) {
  80         Local l = newLocal(b, v.getType());
  81         if (v instanceof IdentityRef) {
  82             b.getUnits().insertBefore(Jimple.v().newIdentityStmt(l, v), u);
  83         } else {
  84             b.getUnits().insertBefore(Jimple.v().newAssignStmt(l, v), u);
  85         }
  86         return l;
  87     }
  88
  89     HashMap map = new HashMap();
  90     HashSet size_added = new HashSet();
  91
  92     public boolean   implementsGladiator(SootClass c)  { return c.implementsInterface("org.ibex.arenaj.Gladiator"); }
  93     public SootField getSliceForField(SootField f)    { return getSliceForField(f.makeRef()); }
  94     public SootField getSliceForField(SootFieldRef f) {
  95         SootClass c  = f.declaringClass();
  96         SootClass oc = Scene.v().getSootClass(c.getName().substring(0, c.getName().lastIndexOf('$')));
  97         String sig = f.declaringClass().getName()+"."+f.name();
  98         if (map.get(sig) != null) return (SootField)map.get(sig);
  99         Type t = f.type();
 100         if (t instanceof RefType && implementsGladiator(((RefType)t).getSootClass())) t = IntType.v();
 101         SootField nf = new SootField(c.getShortName().substring(c.getShortName().lastIndexOf('$')+1) + "$" + f.name(),
 102                                      t.makeArrayType(),
 103                                      0);
 104         oc.addField(nf);
 105
 106         Body body = getInitBody(oc);
 107         Expr newArr = Jimple.v().newNewArrayExpr(t, IntConstant.v(initialSize));
 108         Local newArrLocal = Jimple.v().newLocal("tmpRef" + (tfr++), f.type().makeArrayType());
 109         body.getLocals().add(newArrLocal);
 110         InstanceFieldRef ifr = Jimple.v().newInstanceFieldRef(body.getThisLocal(), nf.makeRef());
 111         body.getUnits().addFirst(Jimple.v().newAssignStmt(ifr, newArrLocal));
 112         body.getUnits().addFirst(Jimple.v().newAssignStmt(newArrLocal, newArr));
 113
 114         map.put(sig, nf);
 115         return nf;
 116     }
 117
 118     public Body getInitBody(SootClass c) {
 119         c.setApplicationClass();
 120         List list = new LinkedList();
 121         SootMethod m = c.getMethod("<init>", list);
 122         if (!m.hasActiveBody()) {
 123             JimpleBody b = (JimpleBody)Jimple.v().newBody(m);
 124             m.setActiveBody(b);
 125         }
 126         return m.getActiveBody();
 127     }
 128
 129     public boolean implementsGladiator(Type t) { return (t instanceof RefType)&&implementsGladiator(((RefType)t).getSootClass()); }
 130
 131     public void internalTransform(String phaseName, Map options) {
 132         System.out.println("begun");
 133         init();
 134         List ac = new LinkedList();
 135         for(Iterator it = Scene.v().getClasses().iterator(); it.hasNext();) {
 136             SootClass sc = (SootClass)it.next();
 137             sc.setLibraryClass();
 138         }
 139         for(Iterator it = Scene.v().getClasses().iterator(); it.hasNext();) {
 140             SootClass sc = (SootClass)it.next();
 141             if (implementsGladiator(sc)) {
 142                 System.out.println("  application class: " + sc.getName());
 143                 System.out.println("  application class: " + getParent(sc).getName());
 144                 sc.setApplicationClass();
 145                 getParent(sc).setApplicationClass();
 146                 ac.add(sc);
 147                 ac.add(getParent(sc));
 148                 for(Iterator i2 = sc.getMethods().iterator(); i2.hasNext();) {
 149                     SootMethod m = (SootMethod)i2.next();
 150                     if (m.isConcrete()) m.retrieveActiveBody();
 151                 }
 152                 for(Iterator i2 = getParent(sc).getMethods().iterator(); i2.hasNext();) {
 153                     SootMethod m = (SootMethod)i2.next();
 154                     if (m.isConcrete()) m.retrieveActiveBody();
 155                 }
 156             }
 157         }
 158         for(Iterator it = ac.iterator(); it.hasNext();) {
 159             SootClass sc = (SootClass)it.next();
 160             if (sc.isInterface()) continue;
 161             if (!implementsGladiator(sc)) continue;
 162             System.out.println("fixing Gladiator class: " + sc);
 163             fixClass(sc);
 164         }
 165         for(Iterator it = ac.iterator(); it.hasNext();) {
 166             SootClass sc = (SootClass)it.next();
 167             if (sc.isInterface()) continue;
 168             System.out.println("        updating class: " + sc);
 169             nuke(sc);
 170         }
 171     }
 172
 173     public SootClass getParent(SootClass sc) {
 174         return Scene.v().getSootClass(sc.getName().substring(0, sc.getName().lastIndexOf('$')));
 175     }
 176
 177     public static InstanceFieldRef newIFR(Body body, SootFieldRef fr) {
 178         return Jimple.v().newInstanceFieldRef(body.getThisLocal(), fr);
 179     }
 180
 181     public Type objectType;
 182     public List arrayCopyTypes = new LinkedList();
 183     public SootMethodRef arrayCopy;
 184     public void init() {
 185         objectType = Scene.v().getSootClass("java.lang.Object").getType();
 186         arrayCopyTypes.add(objectType);
 187         arrayCopyTypes.add(IntType.v());
 188         arrayCopyTypes.add(objectType);
 189         arrayCopyTypes.add(IntType.v());
 190         arrayCopyTypes.add(IntType.v());
 191         arrayCopy =
 192             Scene.v().makeMethodRef(Scene.v().getSootClass("java.lang.System"),
 193                                     "arraycopy",
 194                                     arrayCopyTypes,
 195                                     VoidType.v(),
 196                                     true);
 197     }
 198
 199     public static void assign(Body b, Value left, Value right) { b.getUnits().add(Jimple.v().newAssignStmt(left, right)); }
 200     public static void assign(Body b, Value left, Value right, Stmt where) {
 201         b.getUnits().insertBefore(Jimple.v().newAssignStmt(left, right), where);
 202     }
 203
 204     public void fixClass(SootClass sc) {
 205         SootClass mc = getParent(sc);
 206         String subname = sc.getShortName().substring(sc.getShortName().lastIndexOf('$')+1);
 207         String incFuncName = subname + "$$inc";
 208         SootMethod method = new SootMethod(incFuncName, new LinkedList(), IntType.v(), Modifier.PRIVATE, new LinkedList());
 209         Body mcInitBody = getInitBody(mc);
 210         mc.addMethod(method);
 211         Body body = Jimple.v().newBody(method);
 212         method.setActiveBody(body);
 213         ((JimpleBody)body).insertIdentityStmts();
 214         Local l  =  newLocal(body, IntType.v());
 215         Local l2 =  newLocal(body, IntType.v());
 216         Local l3 =  newLocal(body, IntType.v());
 217         Local l4 =  newLocal(body, IntType.v());
 218
 219         Stmt where = ((JimpleBody)mcInitBody).getFirstNonIdentityStmt();
 220         SootField maxField = new SootField(subname + "$$max", IntType.v());
 221         mc.addField(maxField);
 222         assign(mcInitBody, newIFR(mcInitBody, maxField.makeRef()), IntConstant.v(initialSize), where);
 223
 224         SootField sfr = new SootField(subname + "$$size", IntType.v());
 225         mc.addField(sfr);
 226         assign(mcInitBody, newIFR(mcInitBody, sfr.makeRef()), IntConstant.v(0), where);
 227
 228         assign(body, l,                                 newIFR(body, sfr.makeRef()));
 229         assign(body, l2,                                Jimple.v().newAddExpr(l, IntConstant.v(1)));
 230         assign(body, newIFR(body, sfr.makeRef()),       l2);
 231         assign(body, l3,                                newIFR(body, maxField.makeRef()));
 232
 233         Stmt returnStmt = Jimple.v().newReturnStmt(l2);
 234         body.getUnits().add(Jimple.v().newIfStmt(Jimple.v().newLtExpr(l2, l3), returnStmt));
 235
 236         assign(body,  l4,                               Jimple.v().newShlExpr(l3, IntConstant.v(1)));
 237         assign(body,  newIFR(body, maxField.makeRef()), l4);
 238
 239         for(Iterator it = sc.getFields().iterator(); it.hasNext();) {
 240             SootField f = getSliceForField((SootField)it.next());
 241             Local ll0 = newLocal(body, f.getType());
 242             assign(body, ll0, newIFR(body,  f.makeRef()));
 243             Local ll = newLocal(body, f.getType());
 244             assign(body, ll, Jimple.v().newNewArrayExpr(((ArrayType)f.getType()).getElementType(), l4));
 245             List args = new LinkedList();
 246             args.add(ll0);
 247             args.add(IntConstant.v(0));
 248             args.add(ll);
 249             args.add(IntConstant.v(0));
 250             args.add(l3);
 251             body.getUnits().add(Jimple.v().newInvokeStmt(Jimple.v().newStaticInvokeExpr(arrayCopy, args)));
 252             body.getUnits().add(Jimple.v().newAssignStmt(newIFR(body,  f.makeRef()), ll));
 253         }
 254         for(Iterator it = sc.getMethods().iterator(); it.hasNext();) {
 255             SootMethod m = (SootMethod)it.next();
 256             if (!m.isConcrete()) continue;
 257             boolean doremove = true;
 258             Body mbody = m.getActiveBody();
 259             if (implementsGladiator(m.getDeclaringClass()) && m.getName().equals("<init>")) {
 260                 doremove = false;
 261                 SootClass c = m.getDeclaringClass();
 262                 String name = /*c.getShortName().substring(c.getShortName().lastIndexOf('$')+1) + */"$init";
 263                 List li = m.getParameterTypes();
 264                 c.removeMethod(m);
 265                 SootMethod nm = new SootMethod(name, li, implementsGladiator(m.getReturnType()) ? IntType.v() : m.getReturnType());
 266                 JimpleBody bod = Jimple.v().newBody(nm);
 267                 bod.importBodyContentsFrom(m.getActiveBody());
 268                 nm.setActiveBody(bod);
 269                 m = nm;
 270                 mbody = bod;
 271                 mbody.getUnits().remove(((JimpleBody)mbody).getFirstNonIdentityStmt());
 272                 mbody.getUnits().remove(((JimpleBody)mbody).getFirstNonIdentityStmt());
 273             } else {
 274                 System.out.println("examining " + sc.getName() + "." + m.getSignature());
 275                 m.retrieveActiveBody();
 276             }
 277             if (m.isStatic()) continue;
 278
 279             String name = sc.getShortName().substring(sc.getShortName().lastIndexOf('$')+1) + "$$" + m.getName();
 280             List list = new LinkedList();
 281             list.addAll(m.getParameterTypes());
 282             list.add(IntType.v());
 283             for(Iterator i = list.iterator(); i.hasNext();) System.out.println(i.next());
 284             SootMethod m2 = new SootMethod(name, list, m.getReturnType());
 285             getParent(sc).addMethod(m2);
 286
 287             JimpleBody ab = (JimpleBody)Jimple.v().newBody(m2);
 288             ab.importBodyContentsFrom(mbody);
 289             m2.setActiveBody(ab);
 290             Local loc = Jimple.v().newLocal("tmpRef" + (tfr++), getParent(sc).getType());
 291             ab.getLocals().add(loc);
 292             // FIXME: insert assignment to this
 293
 294             for(Iterator z = ab.getLocals().iterator(); z.hasNext();) {
 295                 Local loc2 = (Local)z.next();
 296                 if (implementsGladiator(loc2.getType())) {
 297                     loc2.setType(IntType.v());
 298                 }
 299             }
 300
 301             Chain units = ab.getUnits();
 302             boolean touched = false;
 303             Local loc0 = Jimple.v().newLocal("tmpRef" + (tfr++), getParent(sc).getType());
 304             ab.getLocals().add(loc0);
 305             for(Iterator stmtIt = units.snapshotIterator(); stmtIt.hasNext();) {
 306                 Stmt s = (Stmt) stmtIt.next();
 307                 if (s instanceof IdentityStmt) {
 308                     IdentityStmt is = (IdentityStmt)s;
 309                     Local left = (Local)is.getLeftOp();
 310                     if (is.getRightOp() instanceof ThisRef) {
 311                         left.setType(IntType.v());
 312                         is.getRightOpBox().setValue(Jimple.v().newParameterRef(IntType.v(), m.getParameterCount()));
 313                         if (!touched) {
 314                             units.addFirst(Jimple.v().newIdentityStmt(loc0, Jimple.v().newThisRef(getParent(sc).getType())));
 315                             touched = true;
 316                         }
 317                     }
 318                 }
 319
 320                 for(Iterator i = s.getUseAndDefBoxes().iterator(); i.hasNext();) {
 321                     Object o = i.next();
 322                     if (o instanceof ValueBox) {
 323                         ValueBox vb = (ValueBox)o;
 324                         o = vb.getValue();
 325                         /*
 326                         if (o instanceof Local && implementsGladiator(((Local)o).getType())) {
 327                             System.out.println("thunking");
 328                             vb.setValue(loc0);
 329                         }
 330                         */
 331                         if (vb.getValue() instanceof ThisRef) {
 332                             System.out.println(s);
 333                             vb.setValue(loc);
 334                         }
 335                     }
 336                 }
 337
 338             }
 339
 340             if (doremove) sc.removeMethod(m);
 341
 342         }
 343         body.getUnits().add(returnStmt);
 344     }
 345
 346     public void nuke(SootClass c) {
 347         for(Iterator it = c.getFields().iterator(); it.hasNext();) {
 348             SootField f = (SootField)it.next();
 349             Type t = f.getType();
 350             if (t instanceof RefType) {
 351                 RefType rt = (RefType)t;
 352                 SootClass sc = rt.getSootClass();
 353                 if (implementsGladiator(sc)) f.setType(IntType.v());
 354             } else if (t instanceof ArrayType) {
 355                 ArrayType at = (ArrayType)t;
 356                 t = at.getElementType();
 357                 if (!(t instanceof RefType)) continue;
 358                 RefType rt = (RefType)t;
 359                 SootClass sc = rt.getSootClass();
 360                 if (implementsGladiator(sc)) f.setType(IntType.v().makeArrayType());
 361             }
 362         }
 363
 364         List list = new LinkedList(); list.addAll(c.getMethods());
 365         for(Iterator it = list.iterator(); it.hasNext();) {
 366             SootMethod m = (SootMethod)it.next();
 367             Body b = null;
 368             if (m.getName().endsWith("$$inc")) continue;
 369             if (m.hasActiveBody()) b = fixBody(m.getActiveBody(), c, m);
 370             List l2 = new LinkedList();
 371             List l = m.getParameterTypes();
 372             for(Iterator it2 = l.iterator(); it2.hasNext();) {
 373                 Type t = (Type)it2.next();
 374                 l2.add(implementsGladiator(t) ? IntType.v() : t);
 375             }
 376             Type t = m.getReturnType();
 377             if (implementsGladiator(t)) {
 378                 t = IntType.v();
 379                 if (m.hasActiveBody()) {
 380                     Body bod = m.getActiveBody();
 381                     for(Iterator stmtIt = bod.getUnits().snapshotIterator(); stmtIt.hasNext();) {
 382                         Stmt s = (Stmt) stmtIt.next();
 383                         if (s instanceof ReturnStmt) {
 384                             if (((ReturnStmt)s).getOp().getType() instanceof NullType) {
 385                                 ((ReturnStmt)s).getOpBox().setValue(IntConstant.v(-1));
 386                             }
 387                         }
 388                     }
 389                 }
 390             }
 391             String name = m.getName();
 392             SootMethod meth = new SootMethod(name, l2, implementsGladiator(t) ? IntType.v() : t, m.getModifiers());
 393             if (b != null) {
 394                 JimpleBody b2 = Jimple.v().newBody(meth);
 395                 b2.importBodyContentsFrom(b);
 396                 meth.setActiveBody(b2);
 397             }
 398             c.removeMethod(m);
 399             c.addMethod(meth);
 400         }
 401
 402     }
 403
 404     protected Body fixBody(Body body, SootClass ownerClass, SootMethod smeth) {
 405         if (body instanceof JimpleBody) {
 406             JimpleBody b2 = Jimple.v().newBody(smeth);
 407             b2.importBodyContentsFrom(body);
 408             body = b2;
 409         }
 410         Chain units = body.getUnits();
 411         System.out.println("fixBody("+body.getMethod()+")");
 412         for(Iterator it = body.getLocals().snapshotIterator(); it.hasNext();) {
 413             Local l = (Local)it.next();
 414             if (implementsGladiator(l.getType())) l.setType(IntType.v());
 415         }
 416         for(int qq=0; qq<2; qq++) for(Iterator stmtIt = units.snapshotIterator(); stmtIt.hasNext();) {
 417             Stmt s = (Stmt) stmtIt.next();
 418             if (s instanceof DefinitionStmt) {
 419                 DefinitionStmt ds = (DefinitionStmt)s;
 420                 if (ds.getLeftOp().getType() instanceof PrimType && ds.getRightOp().getType() instanceof NullType) {
 421                     ds.getRightOpBox().setValue(IntConstant.v(-1));
 422                 }
 423             }
 424             if (implementsGladiator(smeth.getReturnType()) && s instanceof ReturnStmt)
 425                 if (((ReturnStmt)s).getOp().getType() instanceof NullType)
 426                     ((ReturnStmt)s).getOpBox().setValue(IntConstant.v(-1));
 427             List l = s.getUseAndDefBoxes();
 428             for(Iterator it = l.iterator(); it.hasNext();) {
 429                 Object o = it.next();
 430                 if (o instanceof ValueBox) {
 431                     ValueBox vb = (ValueBox)o;
 432                     Value v = vb.getValue();
 433
 434                     if (v instanceof BinopExpr) {
 435                         BinopExpr boe = (BinopExpr)v;
 436                         Type t1 = boe.getOp1().getType();
 437                         Type t2 = boe.getOp2().getType();
 438                         if (t1 instanceof PrimType && t2 instanceof NullType) boe.setOp2(IntConstant.v(-1));
 439                         if (t2 instanceof PrimType && t1 instanceof NullType) boe.setOp1(IntConstant.v(-1));
 440                     }
 441
 442                     if (v instanceof NewExpr) {
 443                         NewExpr ne = (NewExpr)v;
 444                         if (implementsGladiator(ne.getBaseType())) {
 445                             SootClass sc = ((RefType)ne.getBaseType()).getSootClass();
 446                             SootClass mc = getParent(sc);
 447                             String incFuncName = sc.getShortName().substring(sc.getShortName().lastIndexOf('$')+1) + "$$inc";
 448                             SootMethodRef smr = Scene.v().makeMethodRef(mc, incFuncName, new LinkedList(), IntType.v(), false);
 449                             Expr invokeExpr = Jimple.v().newSpecialInvokeExpr(body.getThisLocal(), smr);
 450                             Local ll = viaLocal(invokeExpr, body, s);
 451                             vb.setValue(ll);
 452                             v = ll;
 453                             continue;
 454                         }
 455                     } else
 456
 457                     if (v instanceof InvokeExpr) {
 458                         InvokeExpr ie = (InvokeExpr)v;
 459                         SootMethodRef mr = ie.getMethodRef();
 460                         String name = mr.name();
 461                         if (v instanceof InstanceInvokeExpr && implementsGladiator(mr.declaringClass())) {
 462                             InstanceInvokeExpr iie = (InstanceInvokeExpr)v;
 463                             List li = new LinkedList();
 464                             li.addAll(iie.getArgs());
 465                             LinkedList pl = new LinkedList();
 466                             for(Iterator it2 = mr.parameterTypes().iterator(); it2.hasNext();) {
 467                                 Type t = (Type)it2.next();
 468                                 pl.add(implementsGladiator(t) ? IntType.v() : t);
 469                             }
 470                             if (mr.name().equals("<init>") && implementsGladiator(mr.declaringClass())) {
 471                                 name = "$init";
 472                                 //li.remove(0);
 473                                 //pl.remove(0);
 474                             }
 475                             pl.add(IntType.v());
 476                             li.add(viaLocal(iie.getBase(),body,s));
 477                             SootClass sc = mr.declaringClass();
 478                             name = sc.getShortName().substring(sc.getShortName().lastIndexOf('$')+1) + "$$" + name;
 479                             mr = Scene.v().makeMethodRef(getParent(sc),
 480                                                          name,
 481                                                          pl,
 482                                                          implementsGladiator(mr.returnType()) ? IntType.v() : mr.returnType(),
 483                                                          false);
 484                             ie = Jimple.v().newVirtualInvokeExpr(body.getThisLocal(), mr, li);
 485                             vb.setValue(v = ie);
 486
 487                         } else if (!(v instanceof StaticInvokeExpr)) {
 488                             List l0 = mr.parameterTypes();
 489                             List l2 = new LinkedList();
 490                             for(Iterator it2 = l0.iterator(); it2.hasNext();) {
 491                                 Type t = (Type)it2.next();
 492                                 l2.add(implementsGladiator(t) ? IntType.v() : t);
 493                             }
 494                             mr = Scene.v().makeMethodRef(mr.declaringClass(),
 495                                                          mr.name(),
 496                                                          l2,
 497                                                          implementsGladiator(mr.returnType()) ? IntType.v() : mr.returnType(),
 498                                                          mr.isStatic());
 499                             ie.setMethodRef(mr);
 500                             vb.setValue(v = ie);
 501                         }
 502
 503                         for(int i=0; i<ie.getArgCount(); i++) {
 504                             ValueBox b = ie.getArgBox(i);
 505                             Value val = b.getValue();
 506                             if (mr.parameterType(i) instanceof RefType && val.getType() instanceof PrimType) {
 507                                 SootClass intClass = Scene.v().getSootClass("java.lang.Integer");
 508                                 List typelist = new LinkedList();
 509                                 typelist.add(IntType.v());
 510                                 SootMethod intMethod = intClass.getMethod("<init>", typelist);
 511                                 Local loc = viaLocal(Jimple.v().newNewExpr(RefType.v(intClass)), body, s);
 512                                 List list = new LinkedList();
 513                                 list.add(val);
 514                                 units.insertBefore(Jimple.v().newInvokeStmt(Jimple.v().newSpecialInvokeExpr(loc,
 515                                                                                                             intMethod.makeRef(),
 516                                                                                                             list)),
 517                                                    s);
 518                                 b.setValue(loc);
 519                             }
 520                             if (val != null && val.getType() instanceof NullType && mr.parameterType(i) instanceof IntType) {
 521                                 b.setValue(IntConstant.v(-1));
 522                             }
 523                         }
 524
 525
 526                     } else if (v instanceof CastExpr) {
 527                         CastExpr ce = (CastExpr)v;
 528                         if (implementsGladiator(ce.getCastType())) {
 529                             SootClass mc = getParent(((RefType)ce.getCastType()).getSootClass());
 530                             SootClass ic = Scene.v().getSootClass("java.lang.Integer");
 531                             ce.setCastType(ic.getType());
 532
 533                             Local l1 = Jimple.v().newLocal("tmpRef" + (tfr++), ic.getType()); body.getLocals().add(l1);
 534                             Local l2 = Jimple.v().newLocal("tmpRef" + (tfr++), IntType.v()); body.getLocals().add(l2);
 535
 536                             Stmt s2 = Jimple.v().newAssignStmt(l1, Jimple.v().newCastExpr(ce.getOp(), ic.getType()));
 537                             body.getUnits().insertBefore(s2, s);
 538
 539                             Stmt isNull = Jimple.v().newAssignStmt(l2, IntConstant.v(-1));
 540                             body.getUnits().insertAfter(isNull, s2);
 541
 542                             Stmt ifStmt = Jimple.v().newIfStmt(Jimple.v().newEqExpr(l1, NullConstant.v()), s);
 543                             body.getUnits().insertAfter(ifStmt, isNull);
 544
 545                             SootMethodRef mr = Scene.v().makeMethodRef(ic, "intValue", new LinkedList(), IntType.v(), false);
 546                             Stmt isNotNull =
 547                                 Jimple.v().newAssignStmt(l2, Jimple.v().newVirtualInvokeExpr(l1, mr, new LinkedList()));
 548                             body.getUnits().insertAfter(isNotNull, ifStmt);
 549
 550                             vb.setValue(l2);
 551                             qq = 0;  // ???
 552                             break;
 553                         }
 554
 555                     } else if (v instanceof InstanceFieldRef) {
 556                         InstanceFieldRef ifr = (InstanceFieldRef)v;
 557                         SootFieldRef fr = ifr.getFieldRef();
 558                         Type t = fr.type();
 559                         if (implementsGladiator(fr.declaringClass()) && fr.name().equals("this$0")) {
 560                             System.out.println("******************");
 561                             vb.setValue(body.getThisLocal());
 562                             System.out.println("s is " + s);
 563                         } else if (implementsGladiator(fr.declaringClass())) {
 564                             SootClass mc = getParent(fr.declaringClass());
 565                             SootFieldRef sf = getSliceForField(fr).makeRef();
 566                             InstanceFieldRef sfr = newIFR(body,  sf);
 567                             vb.setValue(Jimple.v().newArrayRef(viaLocal(sfr, body, s), ifr.getBase()));
 568                         }
 569                         if ((t instanceof RefType) && implementsGladiator(((RefType)t).getSootClass())) {
 570                             SootClass tc = ((RefType)t).getSootClass();
 571                             SootClass mc = getParent(tc);
 572                             ifr.setFieldRef(Scene.v().makeFieldRef(mc, fr.name(), IntType.v(), false));
 573                         }
 574                     }
 575
 576                 }
 577             }
 578         }
 579         body.validate();
 580         return body;
 581     }
 582 }