Examples with LabelNode org.objectweb.asm.tree.LabelNode used on opensource projects

Example 56 with LabelNode

use of org.objectweb.asm.tree.LabelNode in project phosphor by gmu-swe.

the class LocalVariableManager method remapLocal.

@Override
public void remapLocal(int local, Type type) {
    Label lbl = new Label();
    super.visitLabel(lbl);
    curLocalIdxToLVNode.get(local).end = new LabelNode(lbl);
    super.remapLocal(local, type);
    LocalVariableNode newLVN = new LocalVariableNode("phosphorShadowLV" + createdLVIdx, type.getDescriptor(), null, new LabelNode(lbl), new LabelNode(end), local);
    createdLVs.add(newLVN);
    curLocalIdxToLVNode.put(local, newLVN);
    createdLVIdx++;
}

Example 57 with LabelNode

use of org.objectweb.asm.tree.LabelNode in project phosphor by gmu-swe.

the class LocalVariableManager method createMasterControlTaintLV.

public int createMasterControlTaintLV() {
    int idx = super.newLocal(Type.getType(ControlTaintTagStack.class));
    if (ctrlTagStartLbl == null) {
        ctrlTagStartLbl = new Label();
        super.visitLabel(ctrlTagStartLbl);
    }
    LocalVariableNode newLVN = new LocalVariableNode("phosphorJumpControlTag" + jumpIdx, Type.getDescriptor(ControlTaintTagStack.class), null, new LabelNode(ctrlTagStartLbl), new LabelNode(end), idx);
    createdLVs.add(newLVN);
    analyzer.locals.add(idx, Type.getInternalName(ControlTaintTagStack.class));
    this.idxOfMasterControlLV = idx;
    jumpIdx++;
    return idx;
}

Example 58 with LabelNode

use of org.objectweb.asm.tree.LabelNode in project phosphor by gmu-swe.

the class LocalVariableManager method newPreAllocedReturnType.

private int newPreAllocedReturnType(Type type) {
    int idx = super.newLocal(type);
    Label lbl = new Label();
    super.visitLabel(lbl);
    // System.out.println("End is going to be " + end);
    LocalVariableNode newLVN = new LocalVariableNode("phosphorReturnPreAlloc" + createdLVIdx, type.getDescriptor(), null, new LabelNode(lbl), new LabelNode(end), idx);
    createdLVs.add(newLVN);
    curLocalIdxToLVNode.put(idx, newLVN);
    createdLVIdx++;
    analyzer.locals.add(idx, type.getInternalName());
    return idx;
}

Example 59 with LabelNode

use of org.objectweb.asm.tree.LabelNode in project phosphor by gmu-swe.

the class LocalVariableManager method newControlTaintLV.

public int newControlTaintLV() {
    int idx = super.newLocal(Type.getType("Ledu/columbia/cs/psl/phosphor/struct/EnqueuedTaint;"));
    if (ctrlTagStartLbl == null) {
        ctrlTagStartLbl = new Label();
        super.visitLabel(ctrlTagStartLbl);
    }
    LocalVariableNode newLVN = new LocalVariableNode("phosphorJumpControlTag" + jumpIdx, "Ledu/columbia/cs/psl/phosphor/struct/EnqueuedTaint;", null, new LabelNode(ctrlTagStartLbl), new LabelNode(end), idx);
    createdLVs.add(newLVN);
    // System.out.println("Create taint tag at " + idx);
    analyzer.locals.add(idx, "edu/columbia/cs/psl/phosphor/struct/EnqueuedTaint");
    jumpIdx++;
    return idx;
}

Example 60 with LabelNode

use of org.objectweb.asm.tree.LabelNode in project evosuite by EvoSuite.

the class ReplaceComparisonOperator method apply.

/* (non-Javadoc)
	 * @see org.evosuite.cfg.instrumentation.MutationOperator#apply(org.objectweb.asm.tree.MethodNode, java.lang.String, java.lang.String, org.evosuite.cfg.BytecodeInstruction)
	 */
/**
 * {@inheritDoc}
 */
@Override
public List<Mutation> apply(MethodNode mn, String className, String methodName, BytecodeInstruction instruction, Frame frame) {
    JumpInsnNode node = (JumpInsnNode) instruction.getASMNode();
    List<Mutation> mutations = new LinkedList<Mutation>();
    LabelNode target = node.label;
    boolean isBoolean = frame.getStack(frame.getStackSize() - 1) == BooleanValueInterpreter.BOOLEAN_VALUE;
    for (Integer op : getOperators(node.getOpcode(), isBoolean)) {
        logger.debug("Adding replacement " + op);
        if (op >= 0) {
            // insert mutation into bytecode with conditional
            JumpInsnNode mutation = new JumpInsnNode(op, target);
            // insert mutation into pool
            Mutation mutationObject = MutationPool.addMutation(className, methodName, NAME + " " + getOp(node.getOpcode()) + " -> " + getOp(op), instruction, mutation, getInfectionDistance(node.getOpcode(), op));
            mutations.add(mutationObject);
        } else {
            // Replace relational operator with TRUE/FALSE
            InsnList mutation = new InsnList();
            if (opcodesInt.contains(node.getOpcode()))
                mutation.add(new InsnNode(Opcodes.POP));
            else
                mutation.add(new InsnNode(Opcodes.POP2));
            if (op == TRUE) {
                mutation.add(new LdcInsnNode(1));
            } else {
                mutation.add(new LdcInsnNode(0));
            }
            mutation.add(new JumpInsnNode(Opcodes.IFNE, target));
            Mutation mutationObject = MutationPool.addMutation(className, methodName, NAME + " " + getOp(node.getOpcode()) + " -> " + op, instruction, mutation, getInfectionDistance(node.getOpcode(), op));
            mutations.add(mutationObject);
        }
    }
    return mutations;
}