public void SetBit(int index, TrileanValue expected)
{
var value = new Integer32Value(0);
value.SetBit(index, expected);
Assert.Equal(expected, value.GetBit(index));
}
/// <inheritdoc />
public void WriteInteger32(int offset, Integer32Value value)
{
AssertOffsetValidity(offset, sizeof(uint));
BinaryPrimitives.WriteUInt32LittleEndian(_memory.Span.Slice(offset, 4), value.U32);
BinaryPrimitives.WriteUInt32LittleEndian(_knownBitMask.Span.Slice(offset, 4), value.Mask);
}
public void IsGreaterThan(string a, string b, bool signed, TrileanValue expected)
{
var value1 = new Integer32Value(a);
var value2 = new Integer32Value(b);
Assert.Equal(expected, value1.IsGreaterThan(value2, signed));
}
public void IsEqualTo(string a, string b, TrileanValue expected)
{
var value1 = new Integer32Value(a);
var value2 = new Integer32Value(b);
Assert.Equal(expected, value1.IsEqualTo(value2));
}
public void ReadStaticIntField()
{
var environment = ExecutionContext.GetService <ICilRuntimeEnvironment>();
var fieldValue = new Integer32Value(0x12345678);
Verify(nameof(SimpleClass.StaticIntField), fieldValue, new I4Value(fieldValue.I32));
}
/// <inheritdoc />
public void WriteInteger32(int offset, Integer32Value value)
{
if (IsKnown)
{
ReferencedMemory.WriteInteger32(CurrentOffset + offset, value);
}
}
/// <inheritdoc />
public void WriteInteger32(int offset, Integer32Value value)
{
if (IsKnown)
{
BasePointer.WriteInteger32(CurrentOffset + offset, value);
}
}
public void Not(string input, string expected)
{
var value1 = new Integer32Value(input);
value1.Not();
Assert.Equal(new Integer32Value(expected), value1);
}
public void RemainderWithUnknownNumbersShouldNotResultInInfiniteLoop()
{
var value1 = new Integer32Value("11111111");
var value2 = new Integer32Value(0, 0);
value1.Remainder(value2);
Assert.False(value1.IsKnown);
}
public void Add(string a, string b, string expected)
{
var value1 = new Integer32Value(a);
var value2 = new Integer32Value(b);
value1.Add(value2);
Assert.Equal(new Integer32Value(expected), value1);
}
public void KnownValueSignUnsignedSame()
{
var value = new Integer32Value(0x12345678);
Assert.True(value.IsKnown);
Assert.Equal(Integer32Value.FullyKnownMask, value.Mask);
Assert.Equal(0x12345678u, value.U32);
Assert.Equal(0x12345678, value.I32);
}
public void ReadInteger64()
{
var ptrValue = new MemoryBlockValue(8);
var value = new Integer32Value("00001111????0011001100??00??0101");
ptrValue.WriteInteger32(0, value);
Assert.Equal(value, ptrValue.ReadInteger32(0));
}
/// <summary>
/// When the value is fully known, gets the raw integer value stored in this native integer as an int64.
/// </summary>
/// <returns>The integer, sign extended to a 64 bit integer.</returns>
/// <exception cref="InvalidOperationException"></exception>
public long ToKnownI64()
{
if (IsKnown)
{
throw new InvalidOperationException("Value is not fully known.");
}
return(_value switch
{
Integer32Value int32 => int32.I32,
Integer64Value int64 => int64.I64,
_ => throw new ArgumentOutOfRangeException()
});
public void WriteInteger32ShouldBeLittleEndian()
{
var ptrValue = new MemoryBlockValue(4);
var value = new Integer32Value("00001111" + "????0011" + "001100??" + "00??0101");
ptrValue.WriteInteger32(0, value);
Assert.Equal(new Integer8Value("00??0101"), ptrValue.ReadInteger8(0));
Assert.Equal(new Integer8Value("001100??"), ptrValue.ReadInteger8(1));
Assert.Equal(new Integer8Value("????0011"), ptrValue.ReadInteger8(2));
Assert.Equal(new Integer8Value("00001111"), ptrValue.ReadInteger8(3));
}
public void ReadInteger64()
{
using var memoryOwner = MemoryPool <byte> .Shared.Rent(8);
using var bitmaskOwner = MemoryPool <byte> .Shared.Rent(8);
var ptrValue = new MemoryPointerValue(memoryOwner.Memory, bitmaskOwner.Memory, true);
var value = new Integer32Value("00001111????0011001100??00??0101");
ptrValue.WriteInteger32(0, value);
Assert.Equal(value, ptrValue.ReadInteger32(0));
}
public void ShallowCopyShouldReferenceSameArray()
{
var array = new ArrayValue(new IConcreteValue[]
{
new Integer32Value(0), new Integer32Value(1), new Integer32Value(2),
});
var copy = (ArrayValue)array.Copy();
Assert.NotSame(array, copy);
Assert.Equal((IEnumerable <IConcreteValue>)array, copy);
copy[0] = new Integer32Value(1234);
Assert.Equal(new Integer32Value(1234), array[0]);
}
public void WriteInteger32ShouldBeLittleEndian()
{
using var memoryOwner = MemoryPool <byte> .Shared.Rent(4);
using var bitmaskOwner = MemoryPool <byte> .Shared.Rent(4);
var ptrValue = new MemoryPointerValue(memoryOwner.Memory, bitmaskOwner.Memory, true);
var value = new Integer32Value("00001111" + "????0011" + "001100??" + "00??0101");
ptrValue.WriteInteger32(0, value);
Assert.Equal(new Integer8Value("00??0101"), ptrValue.ReadInteger8(0));
Assert.Equal(new Integer8Value("001100??"), ptrValue.ReadInteger8(1));
Assert.Equal(new Integer8Value("????0011"), ptrValue.ReadInteger8(2));
Assert.Equal(new Integer8Value("00001111"), ptrValue.ReadInteger8(3));
}
public void ReadStaticIntField()
{
var fieldValue = new Integer32Value(0x12345678);
SetAndVerify(nameof(SimpleClass.StaticIntField), fieldValue, new I4Value(fieldValue.I32));
}
public void ReadFromInt32EnumShouldResultInI4()
{
var fieldValue = new Integer32Value(1);
SetAndVerify(nameof(SimpleClass.StaticInt32Enum), fieldValue, new I4Value(fieldValue.I32));
}
/// <inheritdoc /> public void WriteInteger32(int offset, Integer32Value value) => Contents.WriteInteger32(offset, value);
public void IsNonZero(string input, TrileanValue expected)
{
var value = new Integer32Value(input);
Assert.Equal(expected, value.IsNonZero);
}
public override void Execute(Context context, IEnumerable <MetadataMember> targets)
{
if (!context.IsReflectionCorlibSafe)
{
return;
}
foreach (var Method in targets.OfType <MethodDefinition>().Where(m => m.CilMethodBody is not null))
{
var Instructions = Method.CilMethodBody.Instructions;
Method.CilMethodBody.ConstructSymbolicFlowGraph(out var DFG); /* Dfg Constructing. */
for (int x = 0; x < Instructions.Count; x++)
{
var Instr = Instructions[x]; /* Some People Make It Callvirt To Deafet Public tools :p */
if ((Instr.IsCode(CilCode.Call) || Instr.IsCode(CilCode.Callvirt)) &&
Instr.IsFromNS("System", "Math") && DFG.Nodes.Contains(Instr.Offset))
{
var CallNode = DFG.Nodes[Instr.Offset]
.GetOrderedDependencies(DependencyCollectionFlags.IncludeStackDependencies)
.ToList();
if (CallNode.Any(x => x.Contents.OpCode.OperandType == CilOperandType.InlineMethod))
{
continue;
}
var vm = new CilVirtualMachine(Method.CilMethodBody,
context.Module.Is32Module());
var ex = new CilExecutionContext(vm, vm.CurrentState, default);
foreach (var Dep in CallNode)
{
var CInstr = Dep.Contents;
vm.Dispatcher.Execute(ex, CInstr);
CInstr.Nop();
}
var ISlot = new object[((IMethodDescriptor)Instr.Operand)
.Signature.GetTotalParameterCount()];
for (int i = 0; i < ISlot.Length; i++)
{
var Value = vm.CurrentState.Stack.Pop();
ISlot[i] = Value switch {
I4Value I4 => I4.I32,
I8Value I8 => I8.I64,
FValue F => F.F64,
Float32Value F32 => F32.F32,
Float64Value F64 => F64.F64,
Integer16Value I6 => I6.I16,
Integer32Value I32 => I32.I32,
Integer64Value I64 => I64.I64,
_ => throw new NotSupportedException(nameof(Value))
};
}
var InvocationValue = context.ReflectionCorlib.ResolveMethod(((IMethodDescriptor)Instr.Operand).MetadataToken.ToInt32())
.Invoke(null, ISlot);
Instr.OpCode = ((IMethodDescriptor)Instr.Operand).Signature.ReturnType.ElementType switch {
ElementType.I4 => CilOpCodes.Ldc_I4,
ElementType.I8 => CilOpCodes.Ldc_I8,
ElementType.R4 => CilOpCodes.Ldc_R4,
ElementType.R8 => CilOpCodes.Ldc_R8,
_ => CilOpCodes.Ldc_I4,
};
Instr.Operand = InvocationValue;
}
}
}
}
}