public ExpressionSimplifier(EvaluationContext ctx, DecompilerEventListener listener)
{
this.ctx = ctx;
this.add2ids = new AddTwoIdsRule(ctx);
this.addEcc = new Add_e_c_cRule(ctx);
this.addMici = new Add_mul_id_c_id_Rule(ctx);
this.dpbConstantRule = new DpbConstantRule();
this.dpbdpbRule = new DpbDpbRule(ctx);
this.idConst = new IdConstant(ctx, new Unifier(), listener);
this.idCopyPropagation = new IdCopyPropagationRule(ctx);
this.idBinIdc = new IdBinIdc_Rule(ctx);
this.sliceConst = new SliceConstant_Rule();
this.sliceMem = new SliceMem_Rule();
this.sliceSegPtr = new SliceSegmentedPointer_Rule(ctx);
this.negSub = new NegSub_Rule();
this.constConstBin = new ConstConstBin_Rule();
this.shAdd = new Shl_add_Rule(ctx);
this.shMul = new Shl_mul_e_Rule(ctx);
this.shiftShift = new ShiftShift_c_c_Rule(ctx);
this.mpsRule = new Mps_Constant_Rule(ctx);
this.sliceShift = new SliceShift(ctx);
this.binopWithSelf = new BinOpWithSelf_Rule();
this.constDiv = new ConstDivisionImplementedByMultiplication(ctx);
this.selfdpbRule = new SelfDpbRule(ctx);
this.idProcConstRule = new IdProcConstRule(ctx);
this.castCastRule = new CastCastRule(ctx);
}
public ExpressionSimplifier(SegmentMap segmentMap, EvaluationContext ctx, DecompilerEventListener listener)
{
this.segmentMap = segmentMap ?? throw new ArgumentNullException(nameof(SegmentMap));
this.ctx = ctx;
this.cmp = new ExpressionValueComparer();
this.add2ids = new AddTwoIdsRule(ctx);
this.addEcc = new Add_e_c_cRule(ctx);
this.addMici = new Add_mul_id_c_id_Rule(ctx);
this.dpbConstantRule = new DpbConstantRule();
this.dpbdpbRule = new DpbDpbRule(ctx);
this.idConst = new IdConstant(ctx, new Unifier(), listener);
this.idCopyPropagation = new IdCopyPropagationRule(ctx);
this.idBinIdc = new IdBinIdc_Rule(ctx);
this.sliceConst = new SliceConstant_Rule();
this.sliceMem = new SliceMem_Rule();
this.sliceSegPtr = new SliceSegmentedPointer_Rule(ctx);
this.negSub = new NegSub_Rule();
this.constConstBin = new ConstConstBin_Rule();
this.shAdd = new Shl_add_Rule(ctx);
this.shMul = new Shl_mul_e_Rule(ctx);
this.shiftShift = new ShiftShift_c_c_Rule(ctx);
this.mpsRule = new Mps_Constant_Rule(ctx);
this.sliceShift = new SliceShift(ctx);
this.binopWithSelf = new BinOpWithSelf_Rule();
this.constDiv = new ConstDivisionImplementedByMultiplication(ctx);
this.selfdpbRule = new SelfDpbRule(ctx);
this.idProcConstRule = new IdProcConstRule(ctx);
this.castCastRule = new CastCastRule(ctx);
this.distributedCast = new DistributedCastRule();
this.distributedSlice = new DistributedSliceRule();
this.mkSeqFromSlicesRule = new MkSeqFromSlices_Rule(ctx);
this.constOnLeft = new ComparisonConstOnLeft();
this.sliceSeq = new SliceSequence(ctx);
}
public void Idc_ConstantReferenceInt()
{
var dword = new TypeReference("DWORD", PrimitiveType.Int32);
Identifier edx = new Identifier("edx", dword, Registers.edx);
var ctx = new SymbolicEvaluationContext(null, null);
ctx.SetValue(edx, Constant.Int32(321));
IdConstant ic = new IdConstant(ctx, new Unifier(null));
Assert.IsTrue(ic.Match(edx));
Expression e = ic.Transform();
Assert.AreEqual("321", e.ToString());
Assert.AreEqual("int32", e.DataType.ToString());
}
public void ConstantPropagate()
{
Identifier ds = m.Frame.EnsureRegister(Registers.ds);
var c = Constant.Word16(0x1234);
m.Assign(ds, c);
m.SideEffect(ds);
var def = m.Block.Statements[0];
var use = m.Block.Statements[1];
SsaIdentifier sid_ds = ssa.Add(ds, def, c, false);
var ass = (Assignment)def.Instruction;
ass.Dst = sid_ds.Identifier;
((SideEffect)use.Instruction).Expression = sid_ds.Identifier;
sid_ds.Uses.Add(use);
IdConstant ic = new IdConstant(new SsaEvaluationContext(ssa), new Unifier(null));
Assert.IsTrue(ic.Match(sid_ds.Identifier));
Expression e = ic.Transform();
Assert.AreEqual("selector", e.DataType.ToString());
}
public ExpressionSimplifier(SegmentMap segmentMap, EvaluationContext ctx, DecompilerEventListener listener)
{
this.segmentMap = segmentMap ?? throw new ArgumentNullException(nameof(SegmentMap));
this.ctx = ctx;
this.cmp = new ExpressionValueComparer();
this.m = new ExpressionEmitter();
this.unifier = new Unifier();
this.add2ids = new AddTwoIdsRule(ctx);
this.addEcc = new Add_e_c_cRule(ctx);
this.addMici = new Add_mul_id_c_id_Rule(ctx);
this.idConst = new IdConstant(ctx, unifier, listener);
this.idCopyPropagation = new IdCopyPropagationRule(ctx);
this.idBinIdc = new IdBinIdc_Rule(ctx);
this.sliceConst = new SliceConstant_Rule();
this.sliceMem = new SliceMem_Rule();
this.sliceSegPtr = new SliceSegmentedPointer_Rule(ctx);
this.negSub = new NegSub_Rule();
this.constConstBin = new ConstConstBin_Rule();
this.shAdd = new Shl_add_Rule(ctx);
this.shMul = new Shl_mul_e_Rule(ctx);
this.shiftShift = new ShiftShift_c_c_Rule(ctx);
this.mpsRule = new Mps_Constant_Rule(ctx);
this.sliceShift = new SliceShift(ctx);
this.binopWithSelf = new BinOpWithSelf_Rule();
this.constDiv = new ConstDivisionImplementedByMultiplication(ctx);
this.idProcConstRule = new IdProcConstRule(ctx);
this.convertConvertRule = new ConvertConvertRule(ctx);
this.distributedConvert = new DistributedConversionRule();
this.distributedCast = new DistributedCastRule();
this.distributedSlice = new DistributedSliceRule();
this.mkSeqFromSlicesRule = new MkSeqFromSlices_Rule(ctx);
this.constOnLeft = new ComparisonConstOnLeft();
this.sliceSeq = new SliceSequence(ctx);
this.sliceConvert = new SliceConvert();
this.logicalNotFollowedByNeg = new LogicalNotFollowedByNegRule();
this.logicalNotFromBorrow = new LogicalNotFromArithmeticSequenceRule();
this.unaryNegEqZero = new UnaryNegEqZeroRule();
this.scaledIndexRule = new ScaledIndexRule(ctx);
}
public ExpressionSimplifier(EvaluationContext ctx)
{
this.ctx = ctx;
this.add2ids = new AddTwoIdsRule(ctx);
this.addEcc = new Add_e_c_cRule(ctx);
this.addMici = new Add_mul_id_c_id_Rule(ctx);
this.dpbConstantRule = new DpbConstantRule();
this.dpbdpbRule = new DpbDpbRule(ctx);
this.idConst = new IdConstant(ctx, new Unifier());
this.idCopyPropagation = new IdCopyPropagationRule(ctx);
this.idBinIdc = new IdBinIdc_Rule(ctx);
this.sliceConst = new SliceConstant_Rule();
this.sliceMem = new SliceMem_Rule();
this.negSub = new NegSub_Rule();
this.constConstBin = new ConstConstBin_Rule();
this.shMul = new Shl_mul_e_Rule(ctx);
this.shiftShift = new ShiftShift_c_c_Rule(ctx);
this.mpsRule = new Mps_Constant_Rule(ctx);
this.sliceShift = new SliceShift(ctx);
this.binopWithSelf = new BinOpWithSelf_Rule();
}
public void Idc_ConstantReferencePointerToInt()
{
var intptr = new TypeReference("INTPTR", new Pointer(PrimitiveType.Int32, 4));
Identifier edx = new Identifier("edx", intptr, Registers.edx);
var ctx = new SymbolicEvaluationContext(null, null);
ctx.SetValue(edx, Constant.Int32(0x567));
IdConstant ic = new IdConstant(ctx, new Unifier(null));
Assert.IsTrue(ic.Match(edx));
Expression e = ic.Transform();
Assert.AreEqual("00000567", e.ToString());
Assert.AreEqual("(ptr int32)", e.DataType.ToString());
}