Examples with Frame net.runelite.asm.execution.Frame used on opensource projects

Example 1 with Frame

use of net.runelite.asm.execution.Frame in project runelite by runelite.

the class MappingExecutorUtil method map.

public static ParallelExecutorMapping map(Method m1, Method m2) {
    ClassGroup group1 = m1.getClassFile().getGroup();
    ClassGroup group2 = m2.getClassFile().getGroup();
    Execution e = new Execution(group1);
    e.step = true;
    Frame frame = new Frame(e, m1);
    frame.initialize();
    e.frames.add(frame);
    Execution e2 = new Execution(group2);
    e2.step = true;
    Frame frame2 = new Frame(e2, m2);
    frame2.initialize();
    e2.frames.add(frame2);
    frame.other = frame2;
    frame2.other = frame;
    ParallellMappingExecutor parallel = new ParallellMappingExecutor(e, e2);
    ParallelExecutorMapping mappings = new ParallelExecutorMapping(m1.getClassFile().getGroup(), m2.getClassFile().getGroup());
    mappings.m1 = m1;
    mappings.m2 = m2;
    parallel.mappings = mappings;
    int same = 0;
    while (parallel.step()) {
        // get what each frame is paused/exited on
        InstructionContext p1 = parallel.getP1(), p2 = parallel.getP2();
        assert p1.getInstruction() instanceof MappableInstruction;
        assert p2.getInstruction() instanceof MappableInstruction;
        MappableInstruction mi1 = (MappableInstruction) p1.getInstruction(), mi2 = (MappableInstruction) p2.getInstruction();
        boolean isSame = mi1.isSame(p1, p2);
        assert isSame == mi2.isSame(p2, p1) : "isSame fail " + p1.getInstruction() + " <> " + p2.getInstruction();
        if (!isSame) {
            mappings.crashed = true;
            p1.getFrame().stop();
            p2.getFrame().stop();
            continue;
        }
        ++same;
        mi1.map(mappings, p1, p2);
    }
    mappings.same = same;
    return mappings;
}

Example 2 with Frame

use of net.runelite.asm.execution.Frame in project runelite by runelite.

the class MenuActionDeobfuscator method run.

private void run(Method method) {
    if (method.getCode() == null) {
        return;
    }
    Execution execution = new Execution(method.getClassFile().getGroup());
    execution.addMethod(method);
    execution.noInvoke = true;
    Multimap<Integer, Comparison> comps = HashMultimap.create();
    execution.addExecutionVisitor((InstructionContext ictx) -> {
        Instruction i = ictx.getInstruction();
        Frame frame = ictx.getFrame();
        if (i instanceof If) {
            // constant
            InstructionContext ctx1 = ictx.getPops().get(0).getPushed();
            // lvt
            InstructionContext ctx2 = ictx.getPops().get(1).getPushed();
            if (ctx1.getInstruction() instanceof PushConstantInstruction && ctx2.getInstruction() instanceof LVTInstruction) {
                Comparison comparison = new Comparison();
                comparison.cmp = i;
                comparison.ldc = ctx1.getInstruction();
                comparison.lvt = (LVTInstruction) ctx2.getInstruction();
                comps.put(comparison.lvt.getVariableIndex(), comparison);
            }
        }
    });
    execution.run();
    for (int i : comps.keySet()) {
        Collection<Comparison> get = comps.get(i);
        long l = get.stream().filter(c -> c.cmp.getType() == IF_ICMPGE || c.cmp.getType() == IF_ICMPGT || c.cmp.getType() == IF_ICMPLE || c.cmp.getType() == IF_ICMPLT).count();
        List<Comparison> eqcmp = get.stream().filter(c -> c.cmp.getType() == IF_ICMPEQ || c.cmp.getType() == IF_ICMPNE).collect(Collectors.toList());
        if (get.size() > THRESHOLD_EQ && l <= THRESHOLD_LT) {
            logger.info("Sorting {} comparisons in {}", eqcmp.size(), method);
            insert(method, eqcmp);
        }
    }
}

Example 3 with Frame

use of net.runelite.asm.execution.Frame in project runelite by runelite.

the class If method map.

@Override
public void map(ParallelExecutorMapping mapping, InstructionContext ctx, InstructionContext other) {
    assert ctx.getBranches().size() == other.getBranches().size();
    // can be empty for packet handlers
    if (!ctx.getBranches().isEmpty()) {
        Frame branch1 = ctx.getBranches().get(0), branch2 = other.getBranches().get(0);
        assert branch1.other == null;
        assert branch2.other == null;
        branch1.other = branch2;
        branch2.other = branch1;
    }
    this.mapArguments(mapping, ctx, other, false);
}

Example 4 with Frame

use of net.runelite.asm.execution.Frame in project runelite by runelite.

the class If method execute.

@Override
public InstructionContext execute(Frame frame) {
    InstructionContext ins = new InstructionContext(this, frame);
    Stack stack = frame.getStack();
    StackContext one = stack.pop();
    StackContext two = stack.pop();
    ins.pop(one, two);
    Frame other = frame.dup();
    other.jump(ins, to);
    ins.branch(other);
    return ins;
}

Example 5 with Frame

use of net.runelite.asm.execution.Frame in project runelite by runelite.

the class If method mapOtherBranch.

protected void mapOtherBranch(ParallelExecutorMapping mapping, InstructionContext ctx, InstructionContext other) {
    Frame f1 = ctx.getFrame(), f2 = other.getFrame(), branch1 = ctx.getBranches().get(0), branch2 = other.getBranches().get(0);
    assert branch1.other == null;
    assert branch2.other == null;
    // currently f1 <-> f2
    assert f1.other == f2;
    assert f2.other == f1;
    // change to f1 <-> branch2, f2 <-> branch1
    f1.other = branch2;
    branch2.other = f1;
    f2.other = branch1;
    branch1.other = f2;
    this.mapArguments(mapping, ctx, other, true);
}