Beispiel #1
0
        public override void Execute(_MethodInfo aMethod, ILOpCode aOpCode)
        {
            var xOpCode    = (ILOpCodes.OpField)aOpCode;
            var xFieldName = DataMember.GetStaticFieldName(xOpCode.Value);

            DoExecute(Assembler, aMethod, xFieldName, xOpCode.Value.DeclaringType, aOpCode);
        }
Beispiel #2
0
        public override void Execute(MethodInfo aMethod, ILOpCode aOpCode)
        {
            OpToken xToken        = ( OpToken )aOpCode;
            string  xTokenAddress = null;

            if (xToken.ValueIsType)
            {
                xTokenAddress = ILOp.GetTypeIDLabel(xToken.ValueType);
            }
            if (xToken.ValueIsField)
            {
                xTokenAddress = DataMember.GetStaticFieldName(xToken.ValueField);
            }

            if (String.IsNullOrEmpty(xTokenAddress))
            {
                throw new Exception("Ldtoken not implemented!");
            }

            //if( mType != null )
            //{
            //    mTokenAddress = GetService<IMetaDataInfoService>().GetTypeIdLabel( mType );
            //}
            //XS.Push(xToken.Value);
            XS.Push(xTokenAddress);
        }
Beispiel #3
0
        public override void Execute(MethodInfo aMethod, ILOpCode aOpCode)
        {
            OpToken xToken        = ( OpToken )aOpCode;
            string  xTokenAddress = null;

            if (xToken.ValueIsType)
            {
                xTokenAddress = ILOp.GetTypeIDLabel(xToken.ValueType);
            }
            if (xToken.ValueIsField)
            {
                xTokenAddress = DataMember.GetStaticFieldName(xToken.ValueField);
            }

            if (String.IsNullOrEmpty(xTokenAddress))
            {
                throw new Exception("Ldtoken not implemented!");
            }

            //if( mType != null )
            //{
            //    mTokenAddress = GetService<IMetaDataInfoService>().GetTypeIdLabel( mType );
            //}
            //new CPUx86.Push { DestinationValue = xToken.Value };
            new CPU.Push {
                DestinationRef = Cosmos.Assembler.ElementReference.New(xTokenAddress)
            };
        }
Beispiel #4
0
 public override void Execute(_MethodInfo aMethod, ILOpCode aOpCode)
 {
     // TODO: Implement exception
     DoNullReferenceCheck(Assembler, DebugEnabled, 4);
     XS.Add(ESP, 4);
     XS.Pop(EAX);
     XS.Set(DataMember.GetStaticFieldName(ExceptionHelperRefs.CurrentExceptionRef), EAX, destinationIsIndirect: true);
     XS.Call("SystemExceptionOccurred");
     XS.Set(ECX, 3);
     EmitExceptionLogic(Assembler, aMethod, aOpCode, false, null);
 }
Beispiel #5
0
        public override void Execute(MethodInfo aMethod, ILOpCode aOpCode)
        {
#warning TODO: Implement exception
            DoNullReferenceCheck(Assembler, DebugEnabled, 0);
            XS.Pop(XSRegisters.EAX);
            new CPUx86.Mov {
                DestinationRef = Cosmos.Assembler.ElementReference.New(DataMember.GetStaticFieldName(ExceptionHelperRefs.CurrentExceptionRef)), DestinationIsIndirect = true, SourceReg = CPUx86.RegistersEnum.EAX
            };
            XS.Call("SystemExceptionOccurred");
            XS.Set(XSRegisters.ECX, 3);
            Call.EmitExceptionLogic(Assembler, aMethod, aOpCode, false, null);
        }
Beispiel #6
0
        public override void Execute(_MethodInfo aMethod, ILOpCode aOpCode)
        {
            OpToken xToken        = (OpToken)aOpCode;
            string  xTokenAddress = null;

            if (xToken.ValueIsType)
            {
                xTokenAddress = ILOp.GetTypeIDLabel(xToken.ValueType);
            }
            if (xToken.ValueIsField)
            {
                xTokenAddress = DataMember.GetStaticFieldName(xToken.ValueField);
            }

            if (String.IsNullOrEmpty(xTokenAddress))
            {
                throw new Exception("Ldtoken not implemented!");
            }

            XS.Push(xTokenAddress);
            XS.Push(0);
        }
Beispiel #7
0
        private static void DoGetFieldsInfo(Type aType, List <X86.IL.FieldInfo> aFields)
        {
            var xCurList = new Dictionary <string, X86.IL.FieldInfo>();
            var xFields  = (from item in aType.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
                            orderby item.Name, item.DeclaringType.ToString()
                            select item).ToArray();

            for (int i = 0; i < xFields.Length; i++)
            {
                var xField = xFields[i];
                // todo: should be possible to have GetFields only return fields from a given type, thus removing need of next statement
                if (xField.DeclaringType != aType)
                {
                    continue;
                }

                string xId;
                if (!xField.IsStatic)
                {
                    xId = xField.GetFullName();
                }
                else
                {
                    xId = DataMember.GetStaticFieldName(xField);
                }

                var xInfo = new X86.IL.FieldInfo(xId, SizeOfType(xField.FieldType), aType, xField.FieldType);
                xInfo.IsStatic = xField.IsStatic;

                var xFieldOffsetAttrib = xField.GetCustomAttributes(typeof(FieldOffsetAttribute), true).FirstOrDefault() as FieldOffsetAttribute;
                if (xFieldOffsetAttrib != null)
                {
                    xInfo.Offset = (uint)xFieldOffsetAttrib.Value;
                }

                aFields.Add(xInfo);
                xCurList.Add(xId, xInfo);
            }

            // now check plugs
            IDictionary <string, PlugFieldAttribute> xPlugFields;

            if (mPlugManager.PlugFields.TryGetValue(aType, out xPlugFields))
            {
                foreach (var xPlugField in xPlugFields)
                {
                    X86.IL.FieldInfo xPluggedField = null;
                    if (xCurList.TryGetValue(xPlugField.Key, out xPluggedField))
                    {
                        // plugfield modifies an already existing field

                        // TODO: improve.
                        if (xPlugField.Value.IsExternalValue)
                        {
                            xPluggedField.IsExternalValue = true;
                            xPluggedField.FieldType       = xPluggedField.FieldType.MakePointerType();
                            xPluggedField.Size            = 4;
                        }
                    }
                    else
                    {
                        xPluggedField = new X86.IL.FieldInfo(xPlugField.Value.FieldId, SizeOfType(xPlugField.Value.FieldType), aType, xPlugField.Value.FieldType);
                        aFields.Add(xPluggedField);
                    }
                }
            }

            if (aType.BaseType != null)
            {
                DoGetFieldsInfo(aType.BaseType, aFields);
            }
        }
Beispiel #8
0
        public override void Execute(MethodInfo aMethod, ILOpCode aOpCode)
        {
            var xType   = aMethod.MethodBase.DeclaringType;
            var xOpCode = (ILOpCodes.OpField)aOpCode;

            SysReflection.FieldInfo xField = xOpCode.Value;
            var xIsReferenceType           = TypeIsReferenceType(xField.FieldType);

            // call cctor:
            var xCctor = (xField.DeclaringType.GetConstructors(BindingFlags.Static | BindingFlags.NonPublic) ?? new ConstructorInfo[0]).SingleOrDefault();

            if (xCctor != null && xCctor.DeclaringType != aMethod.MethodBase.DeclaringType)
            {
                XS.Call(LabelName.Get(xCctor));
                ILOp.EmitExceptionLogic(Assembler, aMethod, aOpCode, true, null, ".AfterCCTorExceptionCheck");
                XS.Label(".AfterCCTorExceptionCheck");
            }

            //int aExtraOffset;// = 0;
            //bool xNeedsGC = xField.FieldType.IsClass && !xField.FieldType.IsValueType;
            uint xSize = SizeOfType(xField.FieldType);

            //if( xNeedsGC )
            //{
            //    aExtraOffset = 12;
            //}
            new Comment(Assembler, "Type = '" + xField.FieldType.FullName /*+ "', NeedsGC = " + xNeedsGC*/);

            uint xOffset = 0;

            var xFields = xField.DeclaringType.GetFields();

            foreach (SysReflection.FieldInfo xInfo in xFields)
            {
                if (xInfo == xField)
                {
                    break;
                }

                xOffset += SizeOfType(xInfo.FieldType);
            }
            string xDataName = DataMember.GetStaticFieldName(xField);

            if (xIsReferenceType)
            {
                XS.Add(XSRegisters.ESP, 4);
                XS.Pop(XSRegisters.EAX);
                XS.Set(ElementReference.New(xDataName).Name, XSRegisters.EAX, destinationIsIndirect: true, destinationDisplacement: 4);
                return;
            }
            for (int i = 0; i < (xSize / 4); i++)
            {
                XS.Pop(XSRegisters.EAX);
                new CPUx86.Mov {
                    DestinationRef = ElementReference.New(xDataName, i * 4), DestinationIsIndirect = true, SourceReg = CPUx86.RegistersEnum.EAX
                };
            }
            switch (xSize % 4)
            {
            case 1:
            {
                XS.Pop(XSRegisters.EAX);
                new CPUx86.Mov {
                    DestinationRef = ElementReference.New(xDataName, (int)((xSize / 4) * 4)), DestinationIsIndirect = true, SourceReg = CPUx86.RegistersEnum.AL
                };
                break;
            }

            case 2:
            {
                XS.Pop(XSRegisters.EAX);
                new CPUx86.Mov {
                    DestinationRef = Cosmos.Assembler.ElementReference.New(xDataName, (int)((xSize / 4) * 4)), DestinationIsIndirect = true, SourceReg = CPUx86.RegistersEnum.AX
                };
                break;
            }

            case 0:
            {
                break;
            }

            default:
                //EmitNotImplementedException(Assembler, GetServiceProvider(), "Ldsfld: Remainder size " + (xSize % 4) + " not supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel);
                throw new NotImplementedException();
                //break;
            }
        }
Beispiel #9
0
        public override void Execute(MethodInfo aMethod, ILOpCode aOpCode)
        {
            var xType   = aMethod.MethodBase.DeclaringType;
            var xOpCode = (OpField)aOpCode;

            SysReflection.FieldInfo xField = xOpCode.Value;

            // call cctor:
            var xCctor = (xField.DeclaringType.GetConstructors(BindingFlags.Static | BindingFlags.NonPublic)).SingleOrDefault();

            if (xCctor != null)
            {
                XS.Call(LabelName.Get(xCctor));
                ILOp.EmitExceptionLogic(Assembler, aMethod, aOpCode, true, null, ".AfterCCTorExceptionCheck");
                XS.Label(".AfterCCTorExceptionCheck");
            }

            //Assembler.Stack.Pop();
            //int aExtraOffset;// = 0;
            //bool xNeedsGC = xField.FieldType.IsClass && !xField.FieldType.IsValueType;
            var xSize = SizeOfType(xField.FieldType);
            //if( xNeedsGC )
            //{
            //    aExtraOffset = 12;
            //}

            string xDataName = DataMember.GetStaticFieldName(xField);

            var xTypeNeedsGC = TypeIsReferenceType(xField.FieldType);

            if (xTypeNeedsGC)
            {
                XS.Push(xDataName, isIndirect: true, displacement: 4);
                XS.Push(0);
                return;
            }


            if (xSize >= 4)
            {
                for (int i = 1; i <= (xSize / 4); i++)
                {
                    //	Pop("eax");
                    //	Move(Assembler, "dword [" + mDataName + " + 0x" + (i * 4).ToString("X") + "]", "eax");
                    new CPUx86.Push {
                        DestinationRef = Cosmos.Assembler.ElementReference.New(xDataName), DestinationIsIndirect = true, DestinationDisplacement = (int)(xSize - (i * 4))
                    };
                }
                switch (xSize % 4)
                {
                case 1:
                {
                    XS.Set(XSRegisters.EAX, 0);
                    XS.Set(XSRegisters.AL, xDataName, sourceIsIndirect: true);
                    XS.Push(XSRegisters.EAX);
                    break;
                }

                case 2:
                {
                    XS.Set(XSRegisters.EAX, 0);
                    XS.Set(XSRegisters.AX, xDataName, sourceIsIndirect: true);
                    XS.Push(XSRegisters.EAX);
                    break;
                }

                case 0:
                {
                    break;
                }

                default:
                    //EmitNotImplementedException( Assembler, GetServiceProvider(), "Ldsfld: Remainder size " + ( xSize % 4 ) + " not supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel );
                    throw new NotImplementedException();
                    //break;
                }
            }
            else
            {
                switch (xSize)
                {
                case 1:
                {
                    XS.Set(XSRegisters.EAX, 0);
                    XS.Set(XSRegisters.AL, xDataName, sourceIsIndirect: true);
                    XS.Push(XSRegisters.EAX);
                    break;
                }

                case 2:
                {
                    XS.Set(XSRegisters.EAX, 0);
                    XS.Set(XSRegisters.AX, xDataName, sourceIsIndirect: true);
                    XS.Push(XSRegisters.EAX);
                    break;
                }

                case 0:
                {
                    break;
                }

                default:
                    //EmitNotImplementedException( Assembler, GetServiceProvider(), "Ldsfld: Remainder size " + ( xSize % 4 ) + " not supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel );
                    throw new NotImplementedException();
                    //break;
                }
            }
        }