soot.Main.main(args);
}
- public static Local viaLocal(Value v, Body b, Chain c, Unit u) {
- Local l = Jimple.v().newLocal("tmpRef", v.getType());
+ static int tfr = 0;
+ public static Local viaLocal(Value v, Body b, Unit u) {
+ Local l = Jimple.v().newLocal("tmpRef" + (tfr++), v.getType());
b.getLocals().add(l);
- c.insertBefore(Jimple.v().newAssignStmt(l, v), u);
+ b.getUnits().insertBefore(Jimple.v().newAssignStmt(l, v), u);
return l;
}
+ HashMap map = new HashMap();
+ HashSet size_added = new HashSet();
+
+ public boolean isGladiator(SootClass c) { return c.implementsInterface("edu.berkeley.cs.megacz.Gladiator"); }
+ public boolean isGladiatorField(SootField f)
+ { return isGladiator(f.getDeclaringClass()) && !f.getName().equals("this") && f.getName().indexOf('$')==-1; }
+ public SootField getGladiatorField(SootField f) {
+ SootClass c = f.getDeclaringClass();
+ SootClass oc = Scene.v().getSootClass(c.getName().substring(0, c.getName().lastIndexOf('$')));
+ if (map.get(f) != null) return (SootField)map.get(f);
+ SootField nf = new SootField(c.getShortName().substring(c.getShortName().lastIndexOf('$')+1) + "$" + f.getName(),
+ f.getType().makeArrayType(),
+ f.getModifiers());
+ oc.addField(nf);
+ Body body = oc.getMethod("<init>", new LinkedList()).getActiveBody();
+ Expr newArr = Jimple.v().newNewArrayExpr(f.getType(), IntConstant.v(1000));
+ Local newArrLocal = Jimple.v().newLocal("tmpRef" + (tfr++), f.getType().makeArrayType());
+ body.getLocals().add(newArrLocal);
+ InstanceFieldRef ifr = Jimple.v().newInstanceFieldRef(body.getThisLocal(), nf.makeRef());
+ body.getUnits().addFirst(Jimple.v().newAssignStmt(ifr, newArrLocal));
+ body.getUnits().addFirst(Jimple.v().newAssignStmt(newArrLocal, newArr));
+ map.put(f, nf);
+ return nf;
+ }
+
+ public SootFieldRef getGladiatorFieldSizeRef(SootClass c) {
+ SootClass mc = Scene.v().getMainClass();
+ String name = c.getShortName().substring(c.getShortName().lastIndexOf('$')+1) + "_size";
+ if (map.get(c) == null) {
+ SootField f = new SootField(name, IntType.v());
+ mc.addField(f);
+ Body body = mc.getMethod("<init>", new LinkedList()).getActiveBody();
+ InstanceFieldRef ifr = Jimple.v().newInstanceFieldRef(body.getThisLocal(), f.makeRef());
+ body.getUnits().addFirst(Jimple.v().newAssignStmt(ifr, IntConstant.v(0)));
+
+ map.put(c, f);
+ }
+ return Scene.v().makeFieldRef(mc, name, IntType.v(), false);
+ }
+
+ public boolean isGladiatorType(Type t) {
+ return (t instanceof RefType) && isGladiator(((RefType)t).getSootClass());
+ }
+
protected void internalTransform(Body body, String phaseName, Map options) {
- SootClass sClass = body.getMethod().getDeclaringClass();
- SootField gotoCounter = null;
- boolean addedLocals = false;
- Local tmpRef = null, tmpLong = null;
+ SootClass c = body.getMethod().getDeclaringClass();
+
+ for(Iterator it = c.getFields().iterator(); it.hasNext();) {
+ SootField f = (SootField)it.next();
+ Type t = f.getType();
+ if (!(t instanceof RefType)) continue;
+ if (isGladiator(((RefType)t).getSootClass())) f.setType(IntType.v());
+ }
+
+ for(Iterator it = c.methodIterator(); it.hasNext();) {
+ SootMethod m = (SootMethod)it.next();
+ System.out.println(m.getName() + " -- " + m.getActiveBody());
+ /*
+ List l2 = new LinkedList();
+ List l = m.getParameterTypes();
+ for(Iterator it2 = l.iterator(); it2.hasNext();) {
+ Type t = (Type)it2.next();
+ l2.add(isGladiatorType(t) ? IntType.v() : t);
+ }
+ m.setParameterTypes(l2);
+ Type t = m.getReturnType();
+ m.setReturnType(isGladiatorType(t) ? IntType.v() : t);
+ */
+ }
+
+ for(Iterator it = body.getLocals().snapshotIterator(); it.hasNext();) {
+ Local l = (Local)it.next();
+ if (isGladiatorType(l.getType())) l.setType(IntType.v());
+ }
+
Chain units = body.getUnits();
-
- boolean isMainMethod = body.getMethod().getSubSignature().equals("void main(java.lang.String[])");
Iterator stmtIt = units.snapshotIterator();
while(stmtIt.hasNext()) {
Stmt s = (Stmt) stmtIt.next();
- //if (isMainMethod) {
List l = s.getUseAndDefBoxes();
for(Iterator it = l.iterator(); it.hasNext();) {
Object o = it.next();
if (o instanceof ValueBox) {
ValueBox vb = (ValueBox)o;
Value v = vb.getValue();
- if (v instanceof CastExpr) {
- CastExpr ce = (CastExpr)v;
- //System.out.println(">>> cast " + ce.getOp().getType() + " -> " + ce.getCastType());
+
+ if (v instanceof InvokeExpr) {
+ InvokeExpr ie = (InvokeExpr)v;
+ SootMethod m = ie.getMethod();
+ if (isGladiator(m.getDeclaringClass())) {
+ body.getUnits().remove(s);
+ break;
+ }
+
+ } else if (v instanceof NewExpr) {
+ NewExpr ne = (NewExpr)v;
+ if (isGladiatorType(ne.getBaseType())) {
+ System.out.println("******");
+ SootClass mc = Scene.v().getMainClass();
+ SootClass sc = ((RefType)ne.getBaseType()).getSootClass();
+ System.out.println(sc);
+ InstanceFieldRef sfr = Jimple.v().newInstanceFieldRef(body.getThisLocal(),
+ getGladiatorFieldSizeRef(sc));
+ Local ll = viaLocal(sfr, body, s);
+ Local ll2 = Jimple.v().newLocal("tmpRef" + (tfr++), IntType.v());
+ body.getLocals().add(ll2);
+ Stmt stmt = Jimple.v().newAssignStmt(ll2, Jimple.v().newAddExpr(ll, IntConstant.v(1)));
+ units.insertBefore(stmt, s);
+ units.insertAfter(Jimple.v().newAssignStmt(sfr, ll2), stmt);
+ vb.setValue(ll);
+ }
+
} else if (v instanceof InstanceFieldRef) {
InstanceFieldRef ifr = (InstanceFieldRef)v;
+ Type t = ifr.getType();
+ if ((t instanceof RefType) && isGladiator(((RefType)t).getSootClass())) {
+ SootClass tc = ((RefType)t).getSootClass();
+ SootClass mc = Scene.v().getMainClass();
+ SootFieldRef fr = Scene.v().makeFieldRef(mc, "z", IntType.v(), false);
+ ifr.setFieldRef(fr);
+ }
SootField f = ifr.getField();
- System.out.println(">>> getField " + f);
- if (f.getName().equals("foo")) {
+ if (isGladiatorField(f)) {
+ f = getGladiatorField(f);
SootClass mc = Scene.v().getMainClass();
- Type arrType = f.getType().makeArrayType();
- SootField sf = mc.getField("arr_" + f.getName(), arrType);
- StaticFieldRef sfr = Jimple.v().newStaticFieldRef(sf.makeRef());
- ArrayRef ar = Jimple.v().newArrayRef(viaLocal(sfr, body, units, s), IntConstant.v(3));
- System.out.println(">>>>> " + ar.getType());
- System.out.println(">>>>> " + v.getType());
+ SootField sf = mc.getField(f.getName(), f.getType());
+ InstanceFieldRef sfr = Jimple.v().newInstanceFieldRef(body.getThisLocal(), sf.makeRef());
+ ArrayRef ar = Jimple.v().newArrayRef(viaLocal(sfr, body, s), ifr.getBase());
vb.setValue(ar);
}
}