public void transform() {
if (clazz.isPhantom()) return;
// build ancestor
// List<SootClass> ancestors = Scene.v().getActiveHierarchy().getSuperclassesOf(clazz);
List<SootClass> ancestors = new LinkedList<SootClass>();
// fill in ancestor list without using Soot.Hierarchy
SootClass curAncestor = clazz;
while (curAncestor.hasSuperclass()) {
ancestors.add(curAncestor.getSuperclass());
curAncestor = curAncestor.getSuperclass();
}
for (SootClass ancestor : ancestors) {
if (ancestor.isPhantom()) continue;
cloneReachableNonHiddenAncestorMethods(ancestor);
}
// modify ancestors fields
for (SootClass ancestor : ancestors) {
if (ancestor.isPhantom()) continue;
SootUtils.makeFieldsVisible(ancestor);
}
cloneHiddenAncestorMethodsAndFixInvokeSpecial();
}
public static HashSet<SootMethod> getAllImplementations(SootMethod method) {
Chain appClasses = Scene.v().getApplicationClasses();
HashSet<SootClass> implementingClasses = new HashSet<SootClass>(1);
HashSet<SootMethod> overridingMethods = new HashSet<SootMethod>(1);
SootClass t = method.getDeclaringClass();
if (
/*t.isAbstract() || */ t.isPhantom() || t.isPhantomClass()) {
boolean b1 = t.isAbstract();
boolean be = t.isPhantom();
boolean b3 = t.isPhantomClass();
try {
throw new Exception("Need to implement for Plantom Classes");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
if (t.isAbstract()) {
for (Object object : appClasses) {
SootClass clazz = (SootClass) object;
SootClass superClass = clazz.getSuperclass();
{
if (superClass.getName().equals(t.toString())) {
implementingClasses.add(clazz);
SootMethod m2 =
clazz.getMethod(
method.getName(), method.getParameterTypes(), method.getReturnType());
overridingMethods.add(m2);
}
}
}
}
if (t.isInterface()) {
for (Object object : appClasses) {
SootClass clazz = (SootClass) object;
Chain<SootClass> interfaces = clazz.getInterfaces();
for (SootClass sootClass : interfaces) {
if (sootClass.getName().equals(t.toString())) {
implementingClasses.add(clazz);
SootMethod m2 =
clazz.getMethod(
method.getName(), method.getParameterTypes(), method.getReturnType());
overridingMethods.add(m2);
}
}
}
}
return overridingMethods;
}
public static SootClass mockSootClass(String clsName) {
SootClass sc = null;
if (Scene.v().containsClass(clsName)) {
sc = Scene.v().getSootClass(clsName);
if (sc.isPhantom()) {
// sc.setPhantom(false);
sc.setApplicationClass();
sc.setInScene(true);
try {
for (Field field : sc.getClass().getFields()) {
if (field.getName().equals("isPhantom")) {
field.setAccessible(true);
field.setBoolean(sc, false);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
} else {
sc = new SootClass(clsName);
sc.setSuperclass(Scene.v().getSootClass("java.lang.Object"));
sc.setPhantom(false);
sc.setApplicationClass();
sc.setInScene(true);
}
mockConstructor(sc);
return sc;
}
protected void internalTransform(String phaseName, Map options) {
if (Options.v().verbose())
G.v().out.println("Transforming all classes in the Scene to Shimple...");
// *** FIXME: Add debug output to indicate which class/method is being shimplified.
// *** FIXME: Is ShimpleTransformer the right solution? The call graph may deem
// some classes unreachable.
Iterator classesIt = Scene.v().getClasses().iterator();
while (classesIt.hasNext()) {
SootClass sClass = (SootClass) classesIt.next();
if (sClass.isPhantom()) continue;
Iterator methodsIt = sClass.getMethods().iterator();
while (methodsIt.hasNext()) {
SootMethod method = (SootMethod) methodsIt.next();
if (!method.isConcrete()) continue;
if (method.hasActiveBody()) {
Body body = method.getActiveBody();
ShimpleBody sBody = null;
if (body instanceof ShimpleBody) {
sBody = (ShimpleBody) body;
if (!sBody.isSSA()) sBody.rebuild();
} else {
sBody = Shimple.v().newBody(body);
}
method.setActiveBody(sBody);
} else {
MethodSource ms = new ShimpleMethodSource(method.getSource());
method.setSource(ms);
}
}
}
}
private StructureConstant createClassInfoErrorStruct() {
/*
* Check that clazz can be loaded, i.e. that the superclass
* and interfaces of the class exist and are accessible to the
* class. Also check that any exception the class uses in catch
* clauses exist and is accessible to the class. If the class
* cannot be loaded we override the ClassInfoHeader struct
* produced by the ClassCompiler for the class with one which
* tells the code in bc.c to throw an appropriate exception
* whenever clazz is accessed.
*/
int errorType = ClassCompiler.CI_ERROR_TYPE_NONE;
String errorMessage = null;
if (!sootClass.isInterface() && sootClass.hasSuperclass()) {
// Check superclass
SootClass superclazz = sootClass.getSuperclass();
if (superclazz.isPhantom()) {
errorType = ClassCompiler.CI_ERROR_TYPE_NO_CLASS_DEF_FOUND;
errorMessage = superclazz.getName();
} else if (!checkClassAccessible(superclazz, sootClass)) {
errorType = ClassCompiler.CI_ERROR_TYPE_ILLEGAL_ACCESS;
errorMessage = String.format(ILLEGAL_ACCESS_ERROR_CLASS, superclazz, sootClass);
} else if (superclazz.isInterface()) {
errorType = ClassCompiler.CI_ERROR_TYPE_INCOMPATIBLE_CLASS_CHANGE;
errorMessage =
String.format("class %s has interface %s as super class", sootClass, superclazz);
}
// No need to check for ClassCircularityError. Soot doesn't handle
// such problems so the compilation will fail earlier.
}
if (errorType == ClassCompiler.CI_ERROR_TYPE_NONE) {
// Check interfaces
for (SootClass interfaze : sootClass.getInterfaces()) {
if (interfaze.isPhantom()) {
errorType = ClassCompiler.CI_ERROR_TYPE_NO_CLASS_DEF_FOUND;
errorMessage = interfaze.getName();
break;
} else if (!checkClassAccessible(interfaze, sootClass)) {
errorType = ClassCompiler.CI_ERROR_TYPE_ILLEGAL_ACCESS;
errorMessage = String.format(ILLEGAL_ACCESS_ERROR_CLASS, interfaze, sootClass);
break;
} else if (!interfaze.isInterface()) {
errorType = ClassCompiler.CI_ERROR_TYPE_INCOMPATIBLE_CLASS_CHANGE;
errorMessage =
String.format(
"class %s tries to implement class %s as interface", sootClass, interfaze);
break;
}
}
}
if (errorType == ClassCompiler.CI_ERROR_TYPE_NONE) {
// Check exceptions used in catch clauses. I cannot find any info in
// the VM spec specifying that this has to be done when the class is loaded.
// However, this is how it's done in other VMs so we do it too.
for (String exName : catches) {
Clazz ex = config.getClazzes().load(exName);
if (ex == null || ex.getSootClass().isPhantom()) {
errorType = ClassCompiler.CI_ERROR_TYPE_NO_CLASS_DEF_FOUND;
errorMessage = exName;
break;
} else if (!checkClassAccessible(ex.getSootClass(), sootClass)) {
errorType = ClassCompiler.CI_ERROR_TYPE_ILLEGAL_ACCESS;
errorMessage = String.format(ILLEGAL_ACCESS_ERROR_CLASS, ex, sootClass);
break;
}
}
}
if (errorType == ClassCompiler.CI_ERROR_TYPE_NONE) {
return null;
}
// Create a ClassInfoError struct
StructureConstantBuilder error = new StructureConstantBuilder();
error.add(new NullConstant(I8_PTR)); // Points to the runtime Class struct
error.add(new IntegerConstant(ClassCompiler.CI_ERROR));
error.add(getString(getInternalName(sootClass)));
error.add(new IntegerConstant(errorType));
error.add(getString(errorMessage));
return error.build();
}