C# ObjectDataBuilder.ToObjectData方法代码示例

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            ObjectDataBuilder builder = new ObjectDataBuilder(factory);
            builder.DefinedSymbols.Add(this);

            //
            // Emit a MethodFixupCell struct
            //

            // Address (to be fixed up at runtime)
            builder.EmitZeroPointer();

            // Entry point name
            if (factory.Target.IsWindows && _entryPointName.StartsWith("#", StringComparison.OrdinalIgnoreCase))
            {
                // Windows-specific ordinal import
                // CLR-compatible behavior: Strings that can't be parsed as a signed integer are treated as zero.
                int entrypointOrdinal;
                if (!int.TryParse(_entryPointName.Substring(1), out entrypointOrdinal))
                    entrypointOrdinal = 0;

                // CLR-compatible behavior: Ordinal imports are 16-bit on Windows. Discard rest of the bits.
                builder.EmitNaturalInt((ushort)entrypointOrdinal);
            }
            else
            {
                // Import by name
                builder.EmitPointerReloc(factory.ConstantUtf8String(_entryPointName));
            }

            // Module fixup cell
            builder.EmitPointerReloc(factory.PInvokeModuleFixup(_moduleName));

            return builder.ToObjectData();
        }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
        {
            ObjectDataBuilder builder = new ObjectDataBuilder(factory);
            builder.Alignment = factory.Target.PointerSize;

            if (_sorter != null)
                _nestedNodesList.Sort(_sorter);

            builder.DefinedSymbols.Add(_startSymbol);
            foreach (EmbeddedObjectNode node in _nestedNodesList)
            {
                if (!relocsOnly)
                    node.Offset = builder.CountBytes;

                node.EncodeData(ref builder, factory, relocsOnly);
                if (node is ISymbolNode)
                {
                    builder.DefinedSymbols.Add((ISymbolNode)node);
                }
            }
            _endSymbol.SetSymbolOffset(builder.CountBytes);
            builder.DefinedSymbols.Add(_endSymbol);

            ObjectData objData = builder.ToObjectData();
            return objData;
        }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            var builder = new ObjectDataBuilder(factory);

            // These need to be aligned the same as methods because they show up in same contexts
            builder.RequireAlignment(factory.Target.MinimumFunctionAlignment);

            builder.DefinedSymbols.Add(this);

            MethodDesc canonMethod = Method.GetCanonMethodTarget(CanonicalFormKind.Specific);

            // Pointer to the canonical body of the method
            builder.EmitPointerReloc(factory.MethodEntrypoint(canonMethod));

            // Find out what's the context to use
            ISymbolNode contextParameter;
            if (canonMethod.RequiresInstMethodDescArg())
            {
                contextParameter = factory.MethodGenericDictionary(Method);
            }
            else
            {
                Debug.Assert(canonMethod.RequiresInstMethodTableArg());

                // Ask for a constructed type symbol because we need the vtable to get to the dictionary
                contextParameter = factory.ConstructedTypeSymbol(Method.OwningType);
            }

            // The next entry is a pointer to the pointer to the context to be used for the canonical method
            // TODO: in multi-module, this points to the import cell, and is no longer this weird pointer
            builder.EmitPointerReloc(factory.Indirection(contextParameter));
            
            return builder.ToObjectData();
        }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            ObjectDataBuilder objData = new ObjectDataBuilder(factory);
            // The interface dispatch cell has an alignment requirement of 2 * [Pointer size] as part of the 
            // synchronization mechanism of the two values in the runtime.
            objData.Alignment = _targetMethod.Context.Target.PointerSize * 2;
            objData.DefinedSymbols.Add(this);
            
            objData.EmitPointerReloc(factory.ExternSymbol("RhpInitialDynamicInterfaceDispatch"));
            
            // The second cell field uses the two lower-order bits to communicate the contents.
            // We add 1 to signal IDC_CachePointerIsInterfacePointer. See src\Native\Runtime\inc\rhbinder.h.
            objData.EmitPointerReloc(factory.NecessaryTypeSymbol(_targetMethod.OwningType), 1);
            
            // End the run of dispatch cells
            objData.EmitZeroPointer();
            
            int interfaceMethodSlot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, _targetMethod);
            if (factory.Target.PointerSize == 8)
            {
                objData.EmitLong(interfaceMethodSlot);
            }
            else
            {
                throw new NotImplementedException();
            }

            return objData.ToObjectData();
        }

 public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
 {
     ObjectDataBuilder objData = new ObjectDataBuilder(factory);
     objData.DefinedSymbols.Add(this);
     objData.RequirePointerAlignment();
     objData.EmitZeroPointer();
     return objData.ToObjectData();
 }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            var builder = new ObjectDataBuilder(factory);
            builder.RequirePointerAlignment();
            builder.DefinedSymbols.Add(this);

            builder.EmitPointerReloc(_indirectedNode);

            return builder.ToObjectData();
        }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            ObjectDataBuilder builder = new ObjectDataBuilder(factory);

            builder.RequirePointerAlignment();
            builder.EmitPointerReloc(GetGCStaticEETypeNode(factory), 1);
            builder.DefinedSymbols.Add(this);

            return builder.ToObjectData();
        }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            Encoding encoding = UTF8Encoding.UTF8;

            ObjectDataBuilder objDataBuilder = new ObjectDataBuilder(factory);
            AsmStringWriter stringWriter = new AsmStringWriter((byte b) => objDataBuilder.EmitByte(b));
            stringWriter.WriteString(_data);
            objDataBuilder.DefinedSymbols.Add(this);

            return objDataBuilder.ToObjectData();
        }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            ObjectDataBuilder objData = new ObjectDataBuilder(factory);
            objData.RequirePointerAlignment();
            objData.DefinedSymbols.Add(this);

            if (!relocsOnly)
            {
                objData.EmitBytes(_owner.GetOptionalFieldsData());
            }
            
            return objData.ToObjectData();
        }

 public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
 {
     ObjectDataBuilder objData = new ObjectDataBuilder(factory);
     objData.Alignment = factory.Target.PointerSize;
     objData.DefinedSymbols.Add(this);
     
     foreach (var map in _dispatchMaps)
     {
         objData.EmitPointerReloc(map);
     }
     
     return objData.ToObjectData();
 }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            ObjectDataBuilder builder = new ObjectDataBuilder(factory);
            builder.DefinedSymbols.Add(this);

            //
            // Emit a MethodFixupCell struct
            //

            builder.EmitZeroPointer();
            builder.EmitPointerReloc(factory.ConstantUtf8String(_entryPointName));
            builder.EmitPointerReloc(factory.PInvokeModuleFixup(_moduleName));

            return builder.ToObjectData();
        }

        public sealed override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            ObjectDataBuilder builder = new ObjectDataBuilder(factory);
            builder.DefinedSymbols.Add(this);
            builder.RequirePointerAlignment();

            // Node representing the generic dictionary doesn't have any dependencies for
            // dependency analysis purposes. The dependencies are tracked as dependencies of the
            // concrete method bodies. When we reach the object data emission phase, the dependencies
            // should all already have been marked.
            if (!relocsOnly)
            {
                EmitDataInternal(ref builder, factory);
            }

            return builder.ToObjectData();
        }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            ObjectDataBuilder builder = new ObjectDataBuilder(factory);
            builder.DefinedSymbols.Add(this);

            ISymbolNode nameSymbol = factory.Target.IsWindows ?
                factory.ConstantUtf16String(_moduleName) :
                factory.ConstantUtf8String(_moduleName);

            //
            // Emit a ModuleFixupCell struct
            //

            builder.EmitZeroPointer();
            builder.EmitPointerReloc(nameSymbol);

            return builder.ToObjectData();
        }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            ObjectDataBuilder builder = new ObjectDataBuilder(factory);
            builder.DefinedSymbols.Add(this);

            //
            // Emit a ModuleFixupCell struct
            //

            builder.EmitZeroPointer();

            Encoding encoding = factory.Target.IsWindows ? Encoding.Unicode : Encoding.UTF8;

            int moduleNameBytesCount = encoding.GetByteCount(_moduleName);
            byte[] moduleNameBytes = new byte[moduleNameBytesCount + 2];
            encoding.GetBytes(_moduleName, 0, _moduleName.Length, moduleNameBytes, 0);
            builder.EmitPointerReloc(factory.ReadOnlyDataBlob("__modulename_" + _moduleName, moduleNameBytes, 2));

            return builder.ToObjectData();
        }

        public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
        {
            ObjectDataBuilder builder = new ObjectDataBuilder(factory);
            builder.DefinedSymbols.Add(this);

            //
            // Emit a MethodFixupCell struct
            //

            builder.EmitZeroPointer();

            int entryPointBytesCount = Encoding.UTF8.GetByteCount(_entryPointName);
            byte[] entryPointNameBytes = new byte[entryPointBytesCount + 1];
            Encoding.UTF8.GetBytes(_entryPointName, 0, _entryPointName.Length, entryPointNameBytes, 0);

            builder.EmitPointerReloc(factory.ReadOnlyDataBlob("__pinvokename_" + _entryPointName, entryPointNameBytes, 1));
            builder.EmitPointerReloc(factory.PInvokeModuleFixup(_moduleName));

            return builder.ToObjectData();
        }