Examples with IAloc com.google.security.zynamics.reil.algorithms.mono.valuetracking.elements.IAloc used on opensource projects

Example 1 with IAloc

use of com.google.security.zynamics.reil.algorithms.mono.valuetracking.elements.IAloc in project binnavi by google.

the class StateCombiner method combine.

private static ValueTrackerElement combine(final ValueTrackerElement state1, final ValueTrackerElement state2) {
    final Map<IAloc, IValueElement> values1 = state1.getStates();
    final Map<IAloc, IValueElement> values2 = state2.getStates();
    final Map<IAloc, IValueElement> combinedState = new HashMap<IAloc, IValueElement>();
    final Set<ReilInstruction> combinedInfluences = state1.getInfluences();
    combinedInfluences.addAll(state2.getInfluences());
    final Map<String, Set<IAddress>> combinedWritten = new HashMap<String, Set<IAddress>>();
    combinedWritten.putAll(state1.getLastWritten());
    for (final Map.Entry<String, Set<IAddress>> lastWritten : state2.getLastWritten().entrySet()) {
        if (combinedWritten.containsKey(lastWritten.getKey())) {
            combinedWritten.get(lastWritten.getKey()).addAll(lastWritten.getValue());
        } else {
            combinedWritten.put(lastWritten.getKey(), new HashSet<IAddress>(lastWritten.getValue()));
        }
    }
    for (final Map.Entry<IAloc, IValueElement> entry : values1.entrySet()) {
        final IAloc aloc = entry.getKey();
        if (values2.containsKey(aloc)) {
            final IValueElement lhs = entry.getValue();
            final IValueElement rhs = values2.get(aloc);
            combinedState.put(aloc, combine(lhs, rhs));
        } else {
            combinedState.put(aloc, new Undefined());
        }
    }
    for (final Map.Entry<IAloc, IValueElement> entry : values2.entrySet()) {
        final IAloc aloc = entry.getKey();
        if (!values1.containsKey(aloc)) {
            combinedState.put(aloc, new Undefined());
        }
    }
    if ((combinedState.size() < state1.getStates().size()) || (combinedState.size() < state2.getStates().size())) {
        throw new IllegalStateException();
    }
    return new ValueTrackerElement(combinedInfluences, combinedState, combinedWritten);
}