Example #1
0
        void EncodeImplMapTable(ImplMapTable table)
        {
            int index = 0;

            foreach (ImplMapRow row in table.Rows)
            {
                this.asm.ALIGN(Assembly.OBJECT_ALIGNMENT);
                this.asm.LABEL(moduleName + " ImplMapRow#" + index);
                this.asm.AddObjectFields(typeof(SharpOS.AOT.Metadata.ImplMapRow).ToString());
                this.asm.DATA((uint)row.MappingFlags);
                this.asm.DATA(row.MemberForwarded.ToUInt());
                this.asm.DATA(row.ImportName);
                this.asm.DATA(row.ImportScope);
                ++index;
            }

            this.MetadataArray("ImplMap", table);
        }
        void ReadPInvokeInfos()
        {
            if (!m_tHeap.HasTable(ImplMapTable.RId))
            {
                return;
            }

            ImplMapTable imTable = m_tableReader.GetImplMapTable();

            for (int i = 0; i < imTable.Rows.Count; i++)
            {
                ImplMapRow imRow = imTable [i];
                if (imRow.MemberForwarded.TokenType == TokenType.Method)                   // should always be true
                {
                    MethodDefinition meth = GetMethodDefAt(imRow.MemberForwarded.RID);
                    meth.PInvokeInfo = new PInvokeInfo(
                        meth, imRow.MappingFlags, MetadataRoot.Streams.StringsHeap [imRow.ImportName],
                        Module.ModuleReferences [(int)imRow.ImportScope - 1]);
                }
            }
        }
 public virtual void VisitImplMapTable(ImplMapTable table)
 {
 }
Example #4
0
        public void Read(ReaderContext ctxt)
        {
            var reader = ctxt.GetTablesReader();

            var actualReserved0 = reader.ReadUInt32();
            if (actualReserved0 != reserved0)
                throw new PEException("invalid MetadataTable header");
            var actualMajorVersion = reader.ReadByte();
            if (actualMajorVersion != majorVersion)
                throw new PEException("invalid MetadataTable header");
            var actualMinorVersion = reader.ReadByte();
            if (actualMinorVersion != minorVersion)
                throw new PEException("invalid MetadataTable header");
            var heapSizes = reader.ReadByte();
            IsStringStreamBig = (heapSizes & 0x01) != 0;
            IsGuidStreamBig = (heapSizes & 0x02) != 0;
            IsBlobStreamBig = (heapSizes & 0x04) != 0;
            Reserved1 = reader.ReadByte();

            var valid = new IntSet64(reader.ReadUInt64());
            var sorted = new IntSet64(reader.ReadUInt64());

            for (var i = 0; i < 64; i++)
            {
                var numRows = 0;
                if (valid[i])
                    numRows = (int)reader.ReadUInt32();

                switch ((TableTag)i)
                {
                case TableTag.Module:
                    ModuleTable = new ModuleTable(numRows);
                    break;
                case TableTag.Assembly:
                    AssemblyTable = new AssemblyTable(numRows);
                    break;
                case TableTag.AssemblyOS:
                    AssemblyOSTable = new AssemblyOSTable(numRows);
                    break;
                case TableTag.AssemblyProcessor:
                    AssemblyProcessorTable = new AssemblyProcessorTable(numRows);
                    break;
                case TableTag.AssemblyRef:
                    AssemblyRefTable = new AssemblyRefTable(numRows);
                    break;
                case TableTag.AssemblyRefOS:
                    AssemblyRefOSTable = new AssemblyRefOSTable(numRows);
                    break;
                case TableTag.AssemblyRefProcessor:
                    AssemblyRefProcessorTable = new AssemblyRefProcessorTable(numRows);
                    break;
                case TableTag.ClassLayout:
                    ClassLayoutTable = new ClassLayoutTable(numRows);
                    break;
                case TableTag.Constant:
                    ConstantTable = new ConstantTable(numRows);
                    break;
                case TableTag.CustomAttribute:
                    CustomAttributeTable = new CustomAttributeTable(numRows);
                    break;
                case TableTag.DeclSecurity:
                    DeclSecurityTable = new DeclSecurityTable(numRows);
                    break;
                case TableTag.EventMap:
                    EventMapTable = new EventMapTable(numRows);
                    break;
                case TableTag.Event:
                    EventTable = new EventTable(numRows);
                    break;
                case TableTag.ExportedType:
                    ExportedTypeTable = new ExportedTypeTable(numRows);
                    break;
                case TableTag.Field:
                    FieldTable = new FieldTable(numRows);
                    break;
                case TableTag.FieldLayout:
                    FieldLayoutTable = new FieldLayoutTable(numRows);
                    break;
                case TableTag.FieldMarshal:
                    FieldMarshalTable = new FieldMarshalTable(numRows);
                    break;
                case TableTag.FieldRVA:
                    FieldRVATable = new FieldRVATable(numRows);
                    break;
                case TableTag.File:
                    FileTable = new FileTable(numRows);
                    break;
                case TableTag.GenericParam:
                    GenericParamTable = new GenericParamTable(numRows);
                    break;
                case TableTag.GenericParamConstraint:
                    GenericParamConstraintTable = new GenericParamConstraintTable(numRows);
                    break;
                case TableTag.ImplMap:
                    ImplMapTable = new ImplMapTable(numRows);
                    break;
                case TableTag.InterfaceImpl:
                    InterfaceImplTable = new InterfaceImplTable(numRows);
                    break;
                case TableTag.ManifestResource:
                    ManifestResourceTable = new ManifestResourceTable(numRows);
                    break;
                case TableTag.MemberRef:
                    MemberRefTable = new MemberRefTable(numRows);
                    break;
                case TableTag.MethodDef:
                    MethodDefTable = new MethodDefTable(numRows);
                    break;
                case TableTag.MethodImpl:
                    MethodImplTable = new MethodImplTable(numRows);
                    break;
                case TableTag.MethodSemantics:
                    MethodSemanticsTable = new MethodSemanticsTable(numRows);
                    break;
                case TableTag.MethodSpec:
                    MethodSpecTable = new MethodSpecTable(numRows);
                    break;
                case TableTag.ModuleRef:
                    ModuleRefTable = new ModuleRefTable(numRows);
                    break;
                case TableTag.NestedClass:
                    NestedClassTable = new NestedClassTable(numRows);
                    break;
                case TableTag.Param:
                    ParamTable = new ParamTable(numRows);
                    break;
                case TableTag.Property:
                    PropertyTable = new PropertyTable(numRows);
                    break;
                case TableTag.PropertyMap:
                    PropertyMapTable = new PropertyMapTable(numRows);
                    break;
                case TableTag.StandAloneSig:
                    StandAloneSigTable = new StandAloneSigTable(numRows);
                    break;
                case TableTag.TypeDef:
                    TypeDefTable = new TypeDefTable(numRows);
                    break;
                case TableTag.TypeRef:
                    TypeRefTable = new TypeRefTable(numRows);
                    break;
                case TableTag.TypeSpec:
                    TypeSpecTable = new TypeSpecTable(numRows);
                    break;
                default:
                    // Ignore
                    break;
                }
            }

            DetermineIndexCodingSizes();

            for (var i = 0; i < 64; i++)
            {
                if (valid[i])
                {
                    switch ((TableTag)i)
                    {
                    case TableTag.Module:
                        ModuleTable.Read(ctxt, reader);
                        break;
                    case TableTag.Assembly:
                        AssemblyTable.Read(ctxt, reader);
                        break;
                    case TableTag.AssemblyOS:
                        AssemblyOSTable.Read(ctxt, reader);
                        break;
                    case TableTag.AssemblyProcessor:
                        AssemblyProcessorTable.Read(ctxt, reader);
                        break;
                    case TableTag.AssemblyRef:
                        AssemblyRefTable.Read(ctxt, reader);
                        break;
                    case TableTag.AssemblyRefOS:
                        AssemblyRefOSTable.Read(ctxt, reader);
                        break;
                    case TableTag.AssemblyRefProcessor:
                        AssemblyRefProcessorTable.Read(ctxt, reader);
                        break;
                    case TableTag.ClassLayout:
                        ClassLayoutTable.Read(ctxt, reader);
                        break;
                    case TableTag.Constant:
                        ConstantTable.Read(ctxt, reader);
                        break;
                    case TableTag.CustomAttribute:
                        CustomAttributeTable.Read(ctxt, reader);
                        break;
                    case TableTag.DeclSecurity:
                        DeclSecurityTable.Read(ctxt, reader);
                        break;
                    case TableTag.EventMap:
                        EventMapTable.Read(ctxt, reader);
                        break;
                    case TableTag.Event:
                        EventTable.Read(ctxt, reader);
                        break;
                    case TableTag.ExportedType:
                        ExportedTypeTable.Read(ctxt, reader);
                        break;
                    case TableTag.Field:
                        FieldTable.Read(ctxt, reader);
                        break;
                    case TableTag.FieldLayout:
                        FieldLayoutTable.Read(ctxt, reader);
                        break;
                    case TableTag.FieldMarshal:
                        FieldMarshalTable.Read(ctxt, reader);
                        break;
                    case TableTag.FieldRVA:
                        FieldRVATable.Read(ctxt, reader);
                        break;
                    case TableTag.File:
                        FileTable.Read(ctxt, reader);
                        break;
                    case TableTag.GenericParam:
                        GenericParamTable.Read(ctxt, reader);
                        break;
                    case TableTag.GenericParamConstraint:
                        GenericParamConstraintTable.Read(ctxt, reader);
                        break;
                    case TableTag.ImplMap:
                        ImplMapTable.Read(ctxt, reader);
                        break;
                    case TableTag.InterfaceImpl:
                        InterfaceImplTable.Read(ctxt, reader);
                        break;
                    case TableTag.ManifestResource:
                        ManifestResourceTable.Read(ctxt, reader);
                        break;
                    case TableTag.MemberRef:
                        MemberRefTable.Read(ctxt, reader);
                        break;
                    case TableTag.MethodDef:
                        MethodDefTable.Read(ctxt, reader);
                        break;
                    case TableTag.MethodImpl:
                        MethodImplTable.Read(ctxt, reader);
                        break;
                    case TableTag.MethodSemantics:
                        MethodSemanticsTable.Read(ctxt, reader);
                        break;
                    case TableTag.MethodSpec:
                        MethodSpecTable.Read(ctxt, reader);
                        break;
                    case TableTag.ModuleRef:
                        ModuleRefTable.Read(ctxt, reader);
                        break;
                    case TableTag.NestedClass:
                        NestedClassTable.Read(ctxt, reader);
                        break;
                    case TableTag.Param:
                        ParamTable.Read(ctxt, reader);
                        break;
                    case TableTag.Property:
                        PropertyTable.Read(ctxt, reader);
                        break;
                    case TableTag.PropertyMap:
                        PropertyMapTable.Read(ctxt, reader);
                        break;
                    case TableTag.StandAloneSig:
                        StandAloneSigTable.Read(ctxt, reader);
                        break;
                    case TableTag.TypeDef:
                        TypeDefTable.Read(ctxt, reader);
                        break;
                    case TableTag.TypeRef:
                        TypeRefTable.Read(ctxt, reader);
                        break;
                    case TableTag.TypeSpec:
                        TypeSpecTable.Read(ctxt, reader);
                        break;
                    default:
                        throw new PEException("unexpected table tag in MetadataTable body");
                    }
                }
            }

            ModuleTable.ResolveIndexes(ctxt);
            TypeRefTable.ResolveIndexes(ctxt);
            TypeDefTable.ResolveIndexes(ctxt);
            FieldTable.ResolveIndexes(ctxt);
            MethodDefTable.ResolveIndexes(ctxt);
            ParamTable.ResolveIndexes(ctxt);
            InterfaceImplTable.ResolveIndexes(ctxt);
            MemberRefTable.ResolveIndexes(ctxt);
            ConstantTable.ResolveIndexes(ctxt);
            CustomAttributeTable.ResolveIndexes(ctxt);
            FieldMarshalTable.ResolveIndexes(ctxt);
            DeclSecurityTable.ResolveIndexes(ctxt);
            ClassLayoutTable.ResolveIndexes(ctxt);
            FieldLayoutTable.ResolveIndexes(ctxt);
            StandAloneSigTable.ResolveIndexes(ctxt);
            EventMapTable.ResolveIndexes(ctxt);
            EventTable.ResolveIndexes(ctxt);
            PropertyMapTable.ResolveIndexes(ctxt);
            PropertyTable.ResolveIndexes(ctxt);
            MethodSemanticsTable.ResolveIndexes(ctxt);
            MethodImplTable.ResolveIndexes(ctxt);
            ModuleRefTable.ResolveIndexes(ctxt);
            TypeSpecTable.ResolveIndexes(ctxt);
            ImplMapTable.ResolveIndexes(ctxt);
            FieldRVATable.ResolveIndexes(ctxt);
            AssemblyTable.ResolveIndexes(ctxt);
            AssemblyProcessorTable.ResolveIndexes(ctxt);
            AssemblyOSTable.ResolveIndexes(ctxt);
            AssemblyRefTable.ResolveIndexes(ctxt);
            AssemblyRefProcessorTable.ResolveIndexes(ctxt);
            AssemblyRefOSTable.ResolveIndexes(ctxt);
            FileTable.ResolveIndexes(ctxt);
            ExportedTypeTable.ResolveIndexes(ctxt);
            ManifestResourceTable.ResolveIndexes(ctxt);
            NestedClassTable.ResolveIndexes(ctxt);
            GenericParamTable.ResolveIndexes(ctxt);
            MethodSpecTable.ResolveIndexes(ctxt);
            GenericParamConstraintTable.ResolveIndexes(ctxt);
        }
 public virtual void VisitImplMapTable(ImplMapTable table)
 {
 }
Example #6
0
        private void Parse(PEData data, TableBase m)
        {
            this.data           = data;
            this.table          = m;
            this.Flags          = this.Size = this.MaxStack = this.CodeSize = this.LocalVarSigTok = 0;
            this.ilCodes        = null;
            this.ilAddr         = 0;
            this.LocalVarSigTok = 0;
            this.LocalVarSig    = null;
            this.LocalVars      = null;
            this.ImplMap        = null;
            this.Kind           = this.DataSize = 0;
            this.EHTable        = null;
            this.ReadSignature();
            int ad = this.RVA;

            if (ad == 0)
            {
                return;
            }
            int h = this.data.data[ad];

            if ((h & 3) == (int)CorILMethod.TinyFormat)
            {
                this.CodeSize = h >> 2;
                ad++;
            }
            else
            {
                h                   = Util.GetInt16(this.data.data, ad);
                this.Flags          = h & 0xfff;
                this.Size           = (h >> 12) * 4;
                ad                 += 2;
                this.MaxStack       = Util.GetInt16(this.data.data, ad);
                ad                 += 2;
                this.CodeSize       = Util.GetInt32(this.data.data, ad);
                ad                 += 4;
                this.LocalVarSigTok = Util.GetInt32(this.data.data, ad);
                ad                 += 4;
                this.ReadLocalVars();
            }
            this.ilAddr = ad;
            ad         += this.CodeSize;
            if ((this.Flags & (int)CorILMethod.MoreSects) == 0)
            {
                return;
            }
            /// More Sections
            int pad = 4 - (ad & 3);

            if (pad < 4)
            {
                ad += pad;
            }
            int end = ad;

            this.Kind = this.data.data[ad++];
            bool isFat = (this.Kind & (int)CorILMethod_Sect.FatFormat) != 0;

            if (!isFat)
            {
                this.DataSize = this.data.data[ad];
            }
            else
            {
                this.DataSize = Util.GetInt24(this.data.data, ad);
            }
            ad          += 3;
            end         += this.DataSize;
            this.EHTable = new ArrayList();
            while (ad < end)
            {
                ExceptionHandlingClauses ex = new ExceptionHandlingClauses();
                if (!isFat)
                {
                    ex.Flags         = Util.GetInt16(data.data, ad);
                    ad              += 2;
                    ex.TryOffset     = Util.GetInt16(data.data, ad);
                    ad              += 2;
                    ex.TryLength     = data.data[ad++];
                    ex.HandlerOffset = Util.GetInt16(data.data, ad);
                    ad              += 2;
                    ex.HandlerLength = data.data[ad++];
                }
                else
                {
                    ex.Flags         = Util.GetInt32(data.data, ad);
                    ad              += 4;
                    ex.TryOffset     = Util.GetInt32(data.data, ad);
                    ad              += 4;
                    ex.TryLength     = Util.GetInt32(data.data, ad);
                    ad              += 4;
                    ex.HandlerOffset = Util.GetInt32(data.data, ad);
                    ad              += 4;
                    ex.HandlerLength = Util.GetInt32(data.data, ad);
                    ad              += 4;
                }
                if (ex.Flags == (int)COR_ILEXCEPTION_CLAUSE.EXCEPTION)
                {
                    ex.ClassToken = Util.GetInt32(data.data, ad);
                }
                else
                {
                    ex.FilterOffset = Util.GetInt32(data.data, ad);
                }
                ad += 4;
                this.EHTable.Add(ex);
            }
        }
Example #7
0
        public void MakeTree(PEData data)
        {
            ArrayList listType = this.Tables[(int)MetadataTables.TypeDef];
            int       len      = listType.Count;

            for (int i = 0; i < len; i++)
            {
                this.MakeTree(listType[i] as TypeDefTable, i + 1 < len ? listType[i + 1] as TypeDefTable : null);
            }
            foreach (object obj in this.Tables[(int)MetadataTables.AssemblyRef])
            {
                (obj as TableBase).Children = new ArrayList[]
                {
                    new ArrayList()
                }
                ;
            }
            foreach (object obj in this.Tables[(int)MetadataTables.TypeRef])
            {
                (obj as TableBase).Children = new ArrayList[]
                {
                    new ArrayList(), new ArrayList(), new ArrayList()
                }
                ;
            }
            foreach (object obj in this.Tables[(int)MetadataTables.TypeRef])
            {
                TypeRefTable t = obj as TypeRefTable;
                if (t.ResolutionScope == 0)
                {
                    continue;
                }
                t.ParentTable = this.GetTable(this.GetToken(CodedIndices.ResolutionScope, t.ResolutionScope));
                t.ParentTable.Children[(int)Children.RefNested].Add(t);
            }
            foreach (object obj in this.Tables[(int)MetadataTables.MethodDef])
            {
                MethodDefTable m = obj as MethodDefTable;
                m.Tag = new MethodData(data, m);
            }
            foreach (object obj in this.Tables[(int)MetadataTables.MemberRef])
            {
                MemberRefTable m  = obj as MemberRefTable;
                MethodData     md = new MethodData(data, m);
                m.Tag = md;
                if (m.Class == 0)
                {
                    continue;
                }
                m.ParentTable = this.GetTable(this.GetToken(CodedIndices.MemberRefParent, m.Class));
                if (md.IsField)
                {
                    m.ParentTable.Children[(int)Children.RefField].Add(m);
                }
                else
                {
                    m.ParentTable.Children[(int)Children.RefMethod].Add(m);
                }
            }
            foreach (object obj in this.Tables[(int)MetadataTables.ImplMap])
            {
                ImplMapTable   im = obj as ImplMapTable;
                MethodDefTable m  = this.GetTable(this.GetToken(CodedIndices.MemberForwarded, im.MemberForwarded)) as MethodDefTable;
                if (m != null)
                {
                    (m.Tag as MethodData).ImplMap = im;
                }
            }
            foreach (object obj in this.Tables[(int)MetadataTables.NestedClass])
            {
                NestedClassTable nc  = obj as NestedClassTable;
                TypeDefTable     nst = listType[nc.NestedClass - 1] as TypeDefTable;
                TypeDefTable     enc = listType[nc.EnclosingClass - 1] as TypeDefTable;
                nst.ParentTable = enc;
                enc.Children[(int)Children.DefNested].Add(nst);
            }
        }
Example #8
0
        public void Read(ReaderContext ctxt)
        {
            var reader = ctxt.GetTablesReader();

            var actualReserved0 = reader.ReadUInt32();

            if (actualReserved0 != reserved0)
            {
                throw new PEException("invalid MetadataTable header");
            }
            var actualMajorVersion = reader.ReadByte();

            if (actualMajorVersion != majorVersion)
            {
                throw new PEException("invalid MetadataTable header");
            }
            var actualMinorVersion = reader.ReadByte();

            if (actualMinorVersion != minorVersion)
            {
                throw new PEException("invalid MetadataTable header");
            }
            var heapSizes = reader.ReadByte();

            IsStringStreamBig = (heapSizes & 0x01) != 0;
            IsGuidStreamBig   = (heapSizes & 0x02) != 0;
            IsBlobStreamBig   = (heapSizes & 0x04) != 0;
            Reserved1         = reader.ReadByte();

            var valid  = new IntSet64(reader.ReadUInt64());
            var sorted = new IntSet64(reader.ReadUInt64());

            for (var i = 0; i < 64; i++)
            {
                var numRows = 0;
                if (valid[i])
                {
                    numRows = (int)reader.ReadUInt32();
                }

                switch ((TableTag)i)
                {
                case TableTag.Module:
                    ModuleTable = new ModuleTable(numRows);
                    break;

                case TableTag.Assembly:
                    AssemblyTable = new AssemblyTable(numRows);
                    break;

                case TableTag.AssemblyOS:
                    AssemblyOSTable = new AssemblyOSTable(numRows);
                    break;

                case TableTag.AssemblyProcessor:
                    AssemblyProcessorTable = new AssemblyProcessorTable(numRows);
                    break;

                case TableTag.AssemblyRef:
                    AssemblyRefTable = new AssemblyRefTable(numRows);
                    break;

                case TableTag.AssemblyRefOS:
                    AssemblyRefOSTable = new AssemblyRefOSTable(numRows);
                    break;

                case TableTag.AssemblyRefProcessor:
                    AssemblyRefProcessorTable = new AssemblyRefProcessorTable(numRows);
                    break;

                case TableTag.ClassLayout:
                    ClassLayoutTable = new ClassLayoutTable(numRows);
                    break;

                case TableTag.Constant:
                    ConstantTable = new ConstantTable(numRows);
                    break;

                case TableTag.CustomAttribute:
                    CustomAttributeTable = new CustomAttributeTable(numRows);
                    break;

                case TableTag.DeclSecurity:
                    DeclSecurityTable = new DeclSecurityTable(numRows);
                    break;

                case TableTag.EventMap:
                    EventMapTable = new EventMapTable(numRows);
                    break;

                case TableTag.Event:
                    EventTable = new EventTable(numRows);
                    break;

                case TableTag.ExportedType:
                    ExportedTypeTable = new ExportedTypeTable(numRows);
                    break;

                case TableTag.Field:
                    FieldTable = new FieldTable(numRows);
                    break;

                case TableTag.FieldLayout:
                    FieldLayoutTable = new FieldLayoutTable(numRows);
                    break;

                case TableTag.FieldMarshal:
                    FieldMarshalTable = new FieldMarshalTable(numRows);
                    break;

                case TableTag.FieldRVA:
                    FieldRVATable = new FieldRVATable(numRows);
                    break;

                case TableTag.File:
                    FileTable = new FileTable(numRows);
                    break;

                case TableTag.GenericParam:
                    GenericParamTable = new GenericParamTable(numRows);
                    break;

                case TableTag.GenericParamConstraint:
                    GenericParamConstraintTable = new GenericParamConstraintTable(numRows);
                    break;

                case TableTag.ImplMap:
                    ImplMapTable = new ImplMapTable(numRows);
                    break;

                case TableTag.InterfaceImpl:
                    InterfaceImplTable = new InterfaceImplTable(numRows);
                    break;

                case TableTag.ManifestResource:
                    ManifestResourceTable = new ManifestResourceTable(numRows);
                    break;

                case TableTag.MemberRef:
                    MemberRefTable = new MemberRefTable(numRows);
                    break;

                case TableTag.MethodDef:
                    MethodDefTable = new MethodDefTable(numRows);
                    break;

                case TableTag.MethodImpl:
                    MethodImplTable = new MethodImplTable(numRows);
                    break;

                case TableTag.MethodSemantics:
                    MethodSemanticsTable = new MethodSemanticsTable(numRows);
                    break;

                case TableTag.MethodSpec:
                    MethodSpecTable = new MethodSpecTable(numRows);
                    break;

                case TableTag.ModuleRef:
                    ModuleRefTable = new ModuleRefTable(numRows);
                    break;

                case TableTag.NestedClass:
                    NestedClassTable = new NestedClassTable(numRows);
                    break;

                case TableTag.Param:
                    ParamTable = new ParamTable(numRows);
                    break;

                case TableTag.Property:
                    PropertyTable = new PropertyTable(numRows);
                    break;

                case TableTag.PropertyMap:
                    PropertyMapTable = new PropertyMapTable(numRows);
                    break;

                case TableTag.StandAloneSig:
                    StandAloneSigTable = new StandAloneSigTable(numRows);
                    break;

                case TableTag.TypeDef:
                    TypeDefTable = new TypeDefTable(numRows);
                    break;

                case TableTag.TypeRef:
                    TypeRefTable = new TypeRefTable(numRows);
                    break;

                case TableTag.TypeSpec:
                    TypeSpecTable = new TypeSpecTable(numRows);
                    break;

                default:
                    // Ignore
                    break;
                }
            }

            DetermineIndexCodingSizes();

            for (var i = 0; i < 64; i++)
            {
                if (valid[i])
                {
                    switch ((TableTag)i)
                    {
                    case TableTag.Module:
                        ModuleTable.Read(ctxt, reader);
                        break;

                    case TableTag.Assembly:
                        AssemblyTable.Read(ctxt, reader);
                        break;

                    case TableTag.AssemblyOS:
                        AssemblyOSTable.Read(ctxt, reader);
                        break;

                    case TableTag.AssemblyProcessor:
                        AssemblyProcessorTable.Read(ctxt, reader);
                        break;

                    case TableTag.AssemblyRef:
                        AssemblyRefTable.Read(ctxt, reader);
                        break;

                    case TableTag.AssemblyRefOS:
                        AssemblyRefOSTable.Read(ctxt, reader);
                        break;

                    case TableTag.AssemblyRefProcessor:
                        AssemblyRefProcessorTable.Read(ctxt, reader);
                        break;

                    case TableTag.ClassLayout:
                        ClassLayoutTable.Read(ctxt, reader);
                        break;

                    case TableTag.Constant:
                        ConstantTable.Read(ctxt, reader);
                        break;

                    case TableTag.CustomAttribute:
                        CustomAttributeTable.Read(ctxt, reader);
                        break;

                    case TableTag.DeclSecurity:
                        DeclSecurityTable.Read(ctxt, reader);
                        break;

                    case TableTag.EventMap:
                        EventMapTable.Read(ctxt, reader);
                        break;

                    case TableTag.Event:
                        EventTable.Read(ctxt, reader);
                        break;

                    case TableTag.ExportedType:
                        ExportedTypeTable.Read(ctxt, reader);
                        break;

                    case TableTag.Field:
                        FieldTable.Read(ctxt, reader);
                        break;

                    case TableTag.FieldLayout:
                        FieldLayoutTable.Read(ctxt, reader);
                        break;

                    case TableTag.FieldMarshal:
                        FieldMarshalTable.Read(ctxt, reader);
                        break;

                    case TableTag.FieldRVA:
                        FieldRVATable.Read(ctxt, reader);
                        break;

                    case TableTag.File:
                        FileTable.Read(ctxt, reader);
                        break;

                    case TableTag.GenericParam:
                        GenericParamTable.Read(ctxt, reader);
                        break;

                    case TableTag.GenericParamConstraint:
                        GenericParamConstraintTable.Read(ctxt, reader);
                        break;

                    case TableTag.ImplMap:
                        ImplMapTable.Read(ctxt, reader);
                        break;

                    case TableTag.InterfaceImpl:
                        InterfaceImplTable.Read(ctxt, reader);
                        break;

                    case TableTag.ManifestResource:
                        ManifestResourceTable.Read(ctxt, reader);
                        break;

                    case TableTag.MemberRef:
                        MemberRefTable.Read(ctxt, reader);
                        break;

                    case TableTag.MethodDef:
                        MethodDefTable.Read(ctxt, reader);
                        break;

                    case TableTag.MethodImpl:
                        MethodImplTable.Read(ctxt, reader);
                        break;

                    case TableTag.MethodSemantics:
                        MethodSemanticsTable.Read(ctxt, reader);
                        break;

                    case TableTag.MethodSpec:
                        MethodSpecTable.Read(ctxt, reader);
                        break;

                    case TableTag.ModuleRef:
                        ModuleRefTable.Read(ctxt, reader);
                        break;

                    case TableTag.NestedClass:
                        NestedClassTable.Read(ctxt, reader);
                        break;

                    case TableTag.Param:
                        ParamTable.Read(ctxt, reader);
                        break;

                    case TableTag.Property:
                        PropertyTable.Read(ctxt, reader);
                        break;

                    case TableTag.PropertyMap:
                        PropertyMapTable.Read(ctxt, reader);
                        break;

                    case TableTag.StandAloneSig:
                        StandAloneSigTable.Read(ctxt, reader);
                        break;

                    case TableTag.TypeDef:
                        TypeDefTable.Read(ctxt, reader);
                        break;

                    case TableTag.TypeRef:
                        TypeRefTable.Read(ctxt, reader);
                        break;

                    case TableTag.TypeSpec:
                        TypeSpecTable.Read(ctxt, reader);
                        break;

                    default:
                        throw new PEException("unexpected table tag in MetadataTable body");
                    }
                }
            }

            ModuleTable.ResolveIndexes(ctxt);
            TypeRefTable.ResolveIndexes(ctxt);
            TypeDefTable.ResolveIndexes(ctxt);
            FieldTable.ResolveIndexes(ctxt);
            MethodDefTable.ResolveIndexes(ctxt);
            ParamTable.ResolveIndexes(ctxt);
            InterfaceImplTable.ResolveIndexes(ctxt);
            MemberRefTable.ResolveIndexes(ctxt);
            ConstantTable.ResolveIndexes(ctxt);
            CustomAttributeTable.ResolveIndexes(ctxt);
            FieldMarshalTable.ResolveIndexes(ctxt);
            DeclSecurityTable.ResolveIndexes(ctxt);
            ClassLayoutTable.ResolveIndexes(ctxt);
            FieldLayoutTable.ResolveIndexes(ctxt);
            StandAloneSigTable.ResolveIndexes(ctxt);
            EventMapTable.ResolveIndexes(ctxt);
            EventTable.ResolveIndexes(ctxt);
            PropertyMapTable.ResolveIndexes(ctxt);
            PropertyTable.ResolveIndexes(ctxt);
            MethodSemanticsTable.ResolveIndexes(ctxt);
            MethodImplTable.ResolveIndexes(ctxt);
            ModuleRefTable.ResolveIndexes(ctxt);
            TypeSpecTable.ResolveIndexes(ctxt);
            ImplMapTable.ResolveIndexes(ctxt);
            FieldRVATable.ResolveIndexes(ctxt);
            AssemblyTable.ResolveIndexes(ctxt);
            AssemblyProcessorTable.ResolveIndexes(ctxt);
            AssemblyOSTable.ResolveIndexes(ctxt);
            AssemblyRefTable.ResolveIndexes(ctxt);
            AssemblyRefProcessorTable.ResolveIndexes(ctxt);
            AssemblyRefOSTable.ResolveIndexes(ctxt);
            FileTable.ResolveIndexes(ctxt);
            ExportedTypeTable.ResolveIndexes(ctxt);
            ManifestResourceTable.ResolveIndexes(ctxt);
            NestedClassTable.ResolveIndexes(ctxt);
            GenericParamTable.ResolveIndexes(ctxt);
            MethodSpecTable.ResolveIndexes(ctxt);
            GenericParamConstraintTable.ResolveIndexes(ctxt);
        }