private boolean isValid() {
if (source == null || target == null || source == target) return false;
if (!this.isEnabled()) return false;
SootClass source_cls = source.getSootClass();
SootClass target_cls = target.getSootClass();
if (source_cls == null || target_cls == null) return true;
if (source_cls.isApplicationClass() && target_cls.isApplicationClass()) return true;
if (source_cls.isLibraryClass() && target_cls.isLibraryClass()) return false;
this.type += "_LIB";
return true;
}
protected void readNonRefField(OpenCLField field) {
SootField soot_field = field.getSootField();
String function_name = "read" + getTypeString(soot_field);
BytecodeLanguage bcl = m_bcl.top();
bcl.pushMethod(m_currMem.top(), function_name, soot_field.getType());
Local data = bcl.invokeMethodRet(m_currMem.top());
SootClass soot_class = Scene.v().getSootClass(soot_field.getDeclaringClass().getName());
if (soot_class.isApplicationClass()) {
if (field.isInstance()) {
bcl.setInstanceField(soot_field, m_objSerializing.top(), data);
} else {
bcl.setStaticField(soot_field, data);
}
} else {
SootClass obj = Scene.v().getSootClass("java.lang.Object");
SootClass string = Scene.v().getSootClass("java.lang.String");
String static_str;
SootClass first_param_type;
Value first_param;
if (field.isInstance()) {
static_str = "";
first_param_type = obj;
first_param = m_objSerializing.top();
} else {
static_str = "Static";
first_param_type = Scene.v().getSootClass("java.lang.Class");
first_param = ClassConstant.v(soot_class.getName());
}
String private_field_fun_name = "write" + static_str + getTypeString(soot_field);
Local private_fields = bcl.newInstance("org.trifort.rootbeer.runtime.PrivateFields");
bcl.pushMethod(
private_fields,
private_field_fun_name,
VoidType.v(),
first_param_type.getType(),
string.getType(),
string.getType(),
soot_field.getType());
bcl.invokeMethodNoRet(
private_fields,
first_param,
StringConstant.v(soot_field.getName()),
StringConstant.v(soot_field.getDeclaringClass().getName()),
data);
}
}
protected void readRefField(OpenCLField ref_field) {
SootField soot_field = ref_field.getSootField();
SootClass soot_class = Scene.v().getSootClass(soot_field.getDeclaringClass().getName());
BytecodeLanguage bcl = m_bcl.top();
Local gc_obj_visit = m_gcObjVisitor.top();
BclMemory bcl_mem = new BclMemory(bcl, m_currMem.top());
Local ref = bcl_mem.readRef();
bcl_mem.useInstancePointer();
bcl_mem.pushAddress();
bcl_mem.setAddress(ref);
// bcl.println("reading field: "+ref_field.getName());
SootClass obj_class = Scene.v().getSootClass("java.lang.Object");
SootClass string = Scene.v().getSootClass("java.lang.String");
SootClass class_class = Scene.v().getSootClass("java.lang.Class");
Local original_field_value;
if (soot_class.isApplicationClass() == false) {
if (ref_field.isInstance()) {
bcl.pushMethod(
gc_obj_visit, "readField", obj_class.getType(), obj_class.getType(), string.getType());
original_field_value =
bcl.invokeMethodRet(
gc_obj_visit, m_objSerializing.top(), StringConstant.v(soot_field.getName()));
} else {
bcl.pushMethod(
gc_obj_visit,
"readStaticField",
obj_class.getType(),
class_class.getType(),
string.getType());
Local cls = bcl.classConstant(soot_field.getDeclaringClass().getType());
original_field_value =
bcl.invokeMethodRet(gc_obj_visit, cls, StringConstant.v(soot_field.getName()));
}
} else {
if (ref_field.isInstance()) {
original_field_value = bcl.refInstanceField(m_objSerializing.top(), ref_field.getName());
} else {
original_field_value = bcl.refStaticField(soot_class.getType(), ref_field.getName());
}
}
bcl.pushMethod(
gc_obj_visit,
"readFromHeap",
obj_class.getType(),
obj_class.getType(),
BooleanType.v(),
LongType.v());
int should_read = 1;
Local ret_obj =
bcl.invokeMethodRet(gc_obj_visit, original_field_value, IntConstant.v(should_read), ref);
Type type = soot_field.getType();
Local ret = bcl.cast(type, ret_obj);
if (soot_class.isApplicationClass() == false) {
if (ref_field.isInstance()) {
bcl.pushMethod(
gc_obj_visit,
"writeField",
VoidType.v(),
obj_class.getType(),
string.getType(),
obj_class.getType());
bcl.invokeMethodNoRet(
gc_obj_visit, m_objSerializing.top(), StringConstant.v(soot_field.getName()), ret);
} else {
bcl.pushMethod(
gc_obj_visit,
"writeStaticField",
VoidType.v(),
class_class.getType(),
string.getType(),
obj_class.getType());
Local cls = bcl.classConstant(soot_field.getDeclaringClass().getType());
bcl.invokeMethodNoRet(gc_obj_visit, cls, StringConstant.v(soot_field.getName()), ret);
}
} else {
if (ref_field.isInstance()) {
bcl.setInstanceField(soot_field, m_objSerializing.top(), ret);
} else {
bcl.setStaticField(soot_field, ret);
}
}
bcl_mem.popAddress();
}