Examples with IOperandTreeNode com.google.security.zynamics.zylib.disassembly.IOperandTreeNode used on opensource projects

Example 26 with IOperandTreeNode

use of com.google.security.zynamics.zylib.disassembly.IOperandTreeNode in project binnavi by google.

the class ARMQsub8Translator method translateCore.

@Override
protected void translateCore(final ITranslationEnvironment environment, final IInstruction instruction, final List<ReilInstruction> instructions) {
    final IOperandTreeNode registerOperand1 = instruction.getOperands().get(0).getRootNode().getChildren().get(0);
    final IOperandTreeNode registerOperand2 = instruction.getOperands().get(1).getRootNode().getChildren().get(0);
    final IOperandTreeNode registerOperand3 = instruction.getOperands().get(2).getRootNode().getChildren().get(0);
    final String targetRegister = (registerOperand1.getValue());
    final String sourceRegister1 = (registerOperand2.getValue());
    final String sourceRegister2 = (registerOperand3.getValue());
    final String subOperation = "SUB";
    final long baseOffset = ReilHelpers.nextReilAddress(instruction, instructions);
    new Processor() {

        @Override
        protected String[] process(final long offset, final String[] firstFour, final String[] secondFour) {
            final String diff1 = environment.getNextVariableString();
            final String diff2 = environment.getNextVariableString();
            final String diff3 = environment.getNextVariableString();
            final String diff4 = environment.getNextVariableString();
            final String trueDiff1 = environment.getNextVariableString();
            final String trueDiff2 = environment.getNextVariableString();
            final String trueDiff3 = environment.getNextVariableString();
            final String trueDiff4 = environment.getNextVariableString();
            long baseOffset = offset;
            // do the subs
            instructions.add(ReilHelpers.createSub(baseOffset++, dw, firstFour[0], dw, secondFour[0], dw, trueDiff1));
            instructions.add(ReilHelpers.createSub(baseOffset++, dw, firstFour[1], dw, secondFour[1], dw, trueDiff2));
            instructions.add(ReilHelpers.createSub(baseOffset++, dw, firstFour[2], dw, secondFour[2], dw, trueDiff3));
            instructions.add(ReilHelpers.createSub(baseOffset++, dw, firstFour[3], dw, secondFour[3], dw, trueDiff4));
            // do the sats
            Helpers.signedSat(baseOffset, environment, instruction, instructions, dw, firstFour[0], dw, secondFour[0], dw, trueDiff1, subOperation, diff1, 8, "");
            baseOffset = ReilHelpers.nextReilAddress(instruction, instructions);
            Helpers.signedSat(baseOffset, environment, instruction, instructions, dw, firstFour[1], dw, secondFour[1], dw, trueDiff2, subOperation, diff2, 8, "");
            baseOffset = ReilHelpers.nextReilAddress(instruction, instructions);
            Helpers.signedSat(baseOffset, environment, instruction, instructions, dw, firstFour[2], dw, secondFour[2], dw, trueDiff3, subOperation, diff3, 8, "");
            baseOffset = ReilHelpers.nextReilAddress(instruction, instructions);
            Helpers.signedSat(baseOffset, environment, instruction, instructions, dw, firstFour[3], dw, secondFour[3], dw, trueDiff4, subOperation, diff4, 8, "");
            baseOffset = ReilHelpers.nextReilAddress(instruction, instructions);
            return new String[] { diff1, diff2, diff3, diff4 };
        }
    }.generate(environment, baseOffset, 8, sourceRegister1, sourceRegister2, targetRegister, instructions);
}

Example 27 with IOperandTreeNode

use of com.google.security.zynamics.zylib.disassembly.IOperandTreeNode in project binnavi by google.

the class ARMQsubTranslator method translateCore.

@Override
protected void translateCore(final ITranslationEnvironment environment, final IInstruction instruction, final List<ReilInstruction> instructions) {
    final IOperandTreeNode registerOperand1 = instruction.getOperands().get(0).getRootNode().getChildren().get(0);
    final IOperandTreeNode registerOperand2 = instruction.getOperands().get(1).getRootNode().getChildren().get(0);
    final IOperandTreeNode registerOperand3 = instruction.getOperands().get(2).getRootNode().getChildren().get(0);
    final String targetRegister = (registerOperand1.getValue());
    final String sourceRegister1 = (registerOperand2.getValue());
    final String sourceRegister2 = (registerOperand3.getValue());
    final OperandSize dw = OperandSize.DWORD;
    final OperandSize qw = OperandSize.QWORD;
    long baseOffset = (instruction.getAddress().toLong() * 0x100) + instructions.size();
    final String tmpResult = environment.getNextVariableString();
    instructions.add(ReilHelpers.createSub(baseOffset++, dw, sourceRegister1, dw, sourceRegister2, qw, tmpResult));
    Helpers.signedSat(baseOffset, environment, instruction, instructions, dw, sourceRegister1, dw, sourceRegister2, qw, tmpResult, "SUB", targetRegister, 32L, "Q");
}

Example 28 with IOperandTreeNode

use of com.google.security.zynamics.zylib.disassembly.IOperandTreeNode in project binnavi by google.

the class Helpers method translateChildrenOfNode.

/**
   * Iterates over the children of a node in the operand tree and generates
   * translations for them.
   * @param environment A valid translation environment.
   * @param expression The expression to translate.
   * @param size The size of the expression.
   * @param loadOperand A flag that indicates whether a LDM instruction should be added for memory
   *        access operands.
   * @param baseOffset The offset of the first instruction. This has to be a
   *        Long (and not a long) so that we have reference semantics; so that
   *        this function can update the baseOffset of calling functions.

   *

   * @return A list of translations for the individual children.
   * @throws InternalTranslationException
   */
private static List<TranslationResult> translateChildrenOfNode(final ITranslationEnvironment environment, final IOperandTreeNode expression, OperandSize size, final boolean loadOperand, Long baseOffset) throws InternalTranslationException {
    // The list in which we will gather the partial translations. This will be
    // returned to the caller.
    final List<TranslationResult> partialResults = new ArrayList<>();
    // Get all child nodes of the current node and sort them. The sorting is
    // important for precedence in arithmetic expressions.
    final List<? extends IOperandTreeNode> children = expression.getChildren();
    Collections.sort(children, comparator);
    // ... and process them
    for (final IOperandTreeNode child : children) {
        // Get the code for the child expression.
        final TranslationResult nextResult = loadOperand(environment, baseOffset, child, isSegmentExpression(expression.getValue()) ? expression : null, size, loadOperand);
        partialResults.add(nextResult);
        baseOffset += nextResult.getInstructions().size();
    }
    return partialResults;
}

Example 29 with IOperandTreeNode

use of com.google.security.zynamics.zylib.disassembly.IOperandTreeNode in project binnavi by google.

the class SubfzeTranslator method translate.

@Override
public void translate(final ITranslationEnvironment environment, final IInstruction instruction, final List<ReilInstruction> instructions) throws InternalTranslationException {
    TranslationHelpers.checkTranslationArguments(environment, instruction, instructions, "subfze");
    final IOperandTreeNode registerOperand1 = instruction.getOperands().get(1).getRootNode().getChildren().get(0);
    SubGenerator.generate(instruction.getAddress().toLong() * 0x100, environment, instruction, instructions, "subfze", registerOperand1.getValue(), String.valueOf(0x0L), false, false, true, true);
}

Example 30 with IOperandTreeNode

use of com.google.security.zynamics.zylib.disassembly.IOperandTreeNode in project binnavi by google.

the class SubfzeoTranslator method translate.

@Override
public void translate(final ITranslationEnvironment environment, final IInstruction instruction, final List<ReilInstruction> instructions) throws InternalTranslationException {
    TranslationHelpers.checkTranslationArguments(environment, instruction, instructions, "subfzeo");
    final IOperandTreeNode registerOperand1 = instruction.getOperands().get(1).getRootNode().getChildren().get(0);
    SubGenerator.generate(instruction.getAddress().toLong() * 0x100, environment, instruction, instructions, "subfzeo", registerOperand1.getValue(), String.valueOf(0x0L), false, true, true, true);
}