public Instruction execute(SystemState ss, KernelState ks, ThreadInfo th) {
long v1 = th.longPop();
long v2 = th.longPop();
th.push(conditionValue(v1, v2), false);
return getNext(th);
}
public Instruction execute(SystemState ss, KernelState ks, ThreadInfo th) {
int v1 = th.pop();
int v2 = th.pop();
th.push(v1 + v2, false);
return getNext(th);
}
public Instruction execute(SystemState ss, KernelState ks, ThreadInfo ti) {
Heap heap = ti.getHeap();
ClassInfo ci;
try {
ci = ClassInfo.getResolvedClassInfo(cname);
} catch (NoClassInfoException cx) {
// can be any inherited class or required interface
return ti.createAndThrowException("java.lang.NoClassDefFoundError", cx.getMessage());
}
if (!ci.isRegistered()) {
ci.registerClass(ti);
}
// since this is a NEW, we also have to pushClinit
if (!ci.isInitialized()) {
if (ci.initializeClass(ti)) {
return ti.getPC(); // reexecute this instruction once we return from the clinits
}
}
if (heap.isOutOfMemory()) { // simulate OutOfMemoryError
return ti.createAndThrowException(
"java.lang.OutOfMemoryError", "trying to allocate new " + cname);
}
int objRef = heap.newObject(ci, ti);
newObjRef = objRef;
// pushes the return value onto the stack
ti.push(objRef, true);
ss.checkGC(); // has to happen after we push the new object ref
return getNext(ti);
}
void pushArguments(ThreadInfo ti, Object[] args, Object[] attrs) {
if (args != null) {
for (int i = 0; i < args.length; i++) {
Object a = args[i];
boolean isLong = false;
if (a != null) {
if (a instanceof Ref) {
ti.push(((Ref) a).getReference(), true);
} else if (a instanceof Boolean) {
ti.push((Boolean) a ? 1 : 0, false);
} else if (a instanceof Integer) {
ti.push((Integer) a, false);
} else if (a instanceof Long) {
ti.longPush((Long) a);
isLong = true;
} else if (a instanceof Double) {
ti.longPush(Types.doubleToLong((Double) a));
isLong = true;
} else if (a instanceof Byte) {
ti.push((Byte) a, false);
} else if (a instanceof Short) {
ti.push((Short) a, false);
} else if (a instanceof Float) {
ti.push(Types.floatToInt((Float) a), false);
}
}
if (attrs != null && attrs[i] != null) {
if (isLong) {
ti.setLongOperandAttr(attrs[i]);
} else {
ti.setOperandAttr(attrs[i]);
}
}
}
}
}
