Ejemplo n.º 1
0
        private BlobBuilder SerializeTextSection(SectionLocation location)
        {
            var sectionBuilder  = new BlobBuilder();
            var metadataBuilder = new BlobBuilder();

            var metadataSizes = _metadataSerializer.MetadataSizes;

            var textSection = new ManagedTextSection(
                metadataSizes.MetadataSize,
                ilStreamSize: _ilStream.Count,
                mappedFieldDataSize: _mappedFieldData.Count,
                resourceDataSize: _managedResourceData.Count,
                strongNameSignatureSize: _strongNameSignatureSize,
                imageCharacteristics: Header.ImageCharacteristics,
                machine: Header.Machine,
                pdbPathOpt: _pdbPathOpt,
                isDeterministic: IsDeterministic);

            int methodBodyStreamRva      = location.RelativeVirtualAddress + textSection.OffsetToILStream;
            int mappedFieldDataStreamRva = location.RelativeVirtualAddress + textSection.CalculateOffsetToMappedFieldDataStream();

            _metadataSerializer.SerializeMetadata(metadataBuilder, methodBodyStreamRva, mappedFieldDataStreamRva);

            BlobBuilder debugTableBuilderOpt;

            if (_pdbPathOpt != null || IsDeterministic)
            {
                debugTableBuilderOpt = new BlobBuilder();
                textSection.WriteDebugTable(debugTableBuilderOpt, location, _nativePdbContentId, _portablePdbContentId);
            }
            else
            {
                debugTableBuilderOpt = null;
            }

            _lazyEntryPointAddress = textSection.GetEntryPointAddress(location.RelativeVirtualAddress);

            textSection.Serialize(
                sectionBuilder,
                location.RelativeVirtualAddress,
                _entryPoint.IsNil ? 0 : MetadataTokens.GetToken(_entryPoint),
                _corFlags,
                Header.ImageBase,
                metadataBuilder,
                _ilStream,
                _mappedFieldData,
                _managedResourceData,
                debugTableBuilderOpt,
                out _lazyStrongNameSignature);

            _peDirectoriesBuilder.AddressOfEntryPoint = _lazyEntryPointAddress;
            _peDirectoriesBuilder.DebugTable          = textSection.GetDebugDirectoryEntry(location.RelativeVirtualAddress);
            _peDirectoriesBuilder.ImportAddressTable  = textSection.GetImportAddressTableDirectoryEntry(location.RelativeVirtualAddress);
            _peDirectoriesBuilder.ImportTable         = textSection.GetImportTableDirectoryEntry(location.RelativeVirtualAddress);
            _peDirectoriesBuilder.CorHeaderTable      = textSection.GetCorHeaderDirectoryEntry(location.RelativeVirtualAddress);

            return(sectionBuilder);
        }
Ejemplo n.º 2
0
        public static void AddManagedSections(
            this PEBuilder peBuilder,
            PEDirectoriesBuilder peDirectoriesBuilder,
            TypeSystemMetadataSerializer metadataSerializer,
            BlobBuilder ilStream,
            BlobBuilder mappedFieldData,
            BlobBuilder managedResourceData,
            Action <BlobBuilder, PESectionLocation> nativeResourceSectionSerializer, // opt
            int strongNameSignatureSize,                                             // TODO
            MethodDefinitionHandle entryPoint,
            string pdbPathOpt,                                                       // TODO
            ContentId nativePdbContentId,                                            // TODO
            ContentId portablePdbContentId,                                          // TODO
            CorFlags corFlags)
        {
            int entryPointAddress = 0;

            // .text
            peBuilder.AddSection(".text", SectionCharacteristics.MemRead | SectionCharacteristics.MemExecute | SectionCharacteristics.ContainsCode, location =>
            {
                var sectionBuilder  = new BlobBuilder();
                var metadataBuilder = new BlobBuilder();

                var metadataSizes = metadataSerializer.MetadataSizes;

                var textSection = new ManagedTextSection(
                    metadataSizes.MetadataSize,
                    ilStreamSize: ilStream.Count,
                    mappedFieldDataSize: mappedFieldData.Count,
                    resourceDataSize: managedResourceData.Count,
                    strongNameSignatureSize: strongNameSignatureSize,
                    imageCharacteristics: peBuilder.ImageCharacteristics,
                    machine: peBuilder.Machine,
                    pdbPathOpt: pdbPathOpt,
                    isDeterministic: peBuilder.IsDeterministic);

                int methodBodyStreamRva      = location.RelativeVirtualAddress + textSection.OffsetToILStream;
                int mappedFieldDataStreamRva = location.RelativeVirtualAddress + textSection.CalculateOffsetToMappedFieldDataStream();
                metadataSerializer.SerializeMetadata(metadataBuilder, methodBodyStreamRva, mappedFieldDataStreamRva);

                BlobBuilder debugTableBuilderOpt;
                if (pdbPathOpt != null || peBuilder.IsDeterministic)
                {
                    debugTableBuilderOpt = new BlobBuilder();
                    textSection.WriteDebugTable(debugTableBuilderOpt, location, nativePdbContentId, portablePdbContentId);
                }
                else
                {
                    debugTableBuilderOpt = null;
                }

                entryPointAddress = textSection.GetEntryPointAddress(location.RelativeVirtualAddress);

                textSection.Serialize(
                    sectionBuilder,
                    location.RelativeVirtualAddress,
                    entryPoint.IsNil ? 0 : MetadataTokens.GetToken(entryPoint),
                    corFlags,
                    peBuilder.ImageBase,
                    metadataBuilder,
                    ilStream,
                    mappedFieldData,
                    managedResourceData,
                    debugTableBuilderOpt);

                peDirectoriesBuilder.AddressOfEntryPoint = entryPointAddress;
                peDirectoriesBuilder.DebugTable          = textSection.GetDebugDirectoryEntry(location.RelativeVirtualAddress);
                peDirectoriesBuilder.ImportAddressTable  = textSection.GetImportAddressTableDirectoryEntry(location.RelativeVirtualAddress);
                peDirectoriesBuilder.ImportTable         = textSection.GetImportTableDirectoryEntry(location.RelativeVirtualAddress);
                peDirectoriesBuilder.CorHeaderTable      = textSection.GetCorHeaderDirectoryEntry(location.RelativeVirtualAddress);

                return(sectionBuilder);
            });

            // .rsrc
            if (nativeResourceSectionSerializer != null)
            {
                peBuilder.AddSection(".rsrc", SectionCharacteristics.MemRead | SectionCharacteristics.ContainsInitializedData, location =>
                {
                    var sectionBuilder = new BlobBuilder();
                    nativeResourceSectionSerializer(sectionBuilder, location);
                    peDirectoriesBuilder.ResourceTable = new DirectoryEntry(location.RelativeVirtualAddress, sectionBuilder.Count);
                    return(sectionBuilder);
                });
            }

            // .reloc
            if (peBuilder.Machine == Machine.I386 || peBuilder.Machine == 0)
            {
                peBuilder.AddSection(".reloc", SectionCharacteristics.MemRead | SectionCharacteristics.MemDiscardable | SectionCharacteristics.ContainsInitializedData, location =>
                {
                    var sectionBuilder = new BlobBuilder();
                    WriteRelocSection(sectionBuilder, peBuilder.Machine, entryPointAddress);

                    peDirectoriesBuilder.BaseRelocationTable = new DirectoryEntry(location.RelativeVirtualAddress, sectionBuilder.Count);
                    return(sectionBuilder);
                });
            }
        }
Ejemplo n.º 3
0
        public static void AddManagedSections(
            this PEBuilder peBuilder,
            PEDirectoriesBuilder peDirectoriesBuilder,
            TypeSystemMetadataSerializer metadataSerializer,
            BlobBuilder ilStream,
            BlobBuilder mappedFieldData,
            BlobBuilder managedResourceData,
            Action<BlobBuilder, PESectionLocation> nativeResourceSectionSerializer, // opt
            int strongNameSignatureSize, // TODO
            MethodDefinitionHandle entryPoint,
            string pdbPathOpt, // TODO
            ContentId nativePdbContentId, // TODO
            ContentId portablePdbContentId, // TODO
            CorFlags corFlags)
        {
            int entryPointAddress = 0;

            // .text
            peBuilder.AddSection(".text", SectionCharacteristics.MemRead | SectionCharacteristics.MemExecute | SectionCharacteristics.ContainsCode, location =>
            {
                var sectionBuilder = new BlobBuilder();
                var metadataBuilder = new BlobBuilder();

                var metadataSizes = metadataSerializer.MetadataSizes;

                var textSection = new ManagedTextSection(
                    metadataSizes.MetadataSize,
                    ilStreamSize: ilStream.Count,
                    mappedFieldDataSize: mappedFieldData.Count,
                    resourceDataSize: managedResourceData.Count,
                    strongNameSignatureSize: strongNameSignatureSize,
                    imageCharacteristics: peBuilder.ImageCharacteristics,
                    machine: peBuilder.Machine,
                    pdbPathOpt: pdbPathOpt,
                    isDeterministic: peBuilder.IsDeterministic);

                int methodBodyStreamRva = location.RelativeVirtualAddress + textSection.OffsetToILStream;
                int mappedFieldDataStreamRva = location.RelativeVirtualAddress + textSection.CalculateOffsetToMappedFieldDataStream();
                metadataSerializer.SerializeMetadata(metadataBuilder, methodBodyStreamRva, mappedFieldDataStreamRva);

                BlobBuilder debugTableBuilderOpt;
                if (pdbPathOpt != null || peBuilder.IsDeterministic)
                {
                    debugTableBuilderOpt = new BlobBuilder();
                    textSection.WriteDebugTable(debugTableBuilderOpt, location, nativePdbContentId, portablePdbContentId);
                }
                else
                {
                    debugTableBuilderOpt = null;
                }

                entryPointAddress = textSection.GetEntryPointAddress(location.RelativeVirtualAddress);

                textSection.Serialize(
                    sectionBuilder,
                    location.RelativeVirtualAddress,
                    entryPoint.IsNil ? 0 : MetadataTokens.GetToken(entryPoint),
                    corFlags,
                    peBuilder.ImageBase,
                    metadataBuilder,
                    ilStream,
                    mappedFieldData,
                    managedResourceData,
                    debugTableBuilderOpt);

                peDirectoriesBuilder.AddressOfEntryPoint = entryPointAddress;
                peDirectoriesBuilder.DebugTable = textSection.GetDebugDirectoryEntry(location.RelativeVirtualAddress);
                peDirectoriesBuilder.ImportAddressTable = textSection.GetImportAddressTableDirectoryEntry(location.RelativeVirtualAddress);
                peDirectoriesBuilder.ImportTable = textSection.GetImportTableDirectoryEntry(location.RelativeVirtualAddress);
                peDirectoriesBuilder.CorHeaderTable = textSection.GetCorHeaderDirectoryEntry(location.RelativeVirtualAddress);

                return sectionBuilder;
            });

            // .rsrc
            if (nativeResourceSectionSerializer != null)
            {
                peBuilder.AddSection(".rsrc", SectionCharacteristics.MemRead | SectionCharacteristics.ContainsInitializedData, location => 
                {
                    var sectionBuilder = new BlobBuilder();
                    nativeResourceSectionSerializer(sectionBuilder, location);
                    peDirectoriesBuilder.ResourceTable = new DirectoryEntry(location.RelativeVirtualAddress, sectionBuilder.Count);
                    return sectionBuilder;
                });
            }

            // .reloc
            if (peBuilder.Machine == Machine.I386 || peBuilder.Machine == 0)
            {
                peBuilder.AddSection(".reloc", SectionCharacteristics.MemRead | SectionCharacteristics.MemDiscardable | SectionCharacteristics.ContainsInitializedData, location =>
                {
                    var sectionBuilder = new BlobBuilder();
                    WriteRelocSection(sectionBuilder, peBuilder.Machine, entryPointAddress);

                    peDirectoriesBuilder.BaseRelocationTable = new DirectoryEntry(location.RelativeVirtualAddress, sectionBuilder.Count);
                    return sectionBuilder;
                });
            }
        }
Ejemplo n.º 4
0
        private BlobBuilder SerializeTextSection(SectionLocation location)
        {
            var sectionBuilder  = new BlobBuilder();
            var metadataBuilder = new BlobBuilder();

            var metadataSizes = _metadataSerializer.MetadataSizes;

            var textSection = new ManagedTextSection(
                imageCharacteristics: Header.ImageCharacteristics,
                machine: Header.Machine,
                ilStreamSize: _ilStream.Count,
                metadataSize: metadataSizes.MetadataSize,
                resourceDataSize: _managedResourcesOpt?.Count ?? 0,
                strongNameSignatureSize: _strongNameSignatureSize,
                debugDataSize: _debugDirectoryBuilderOpt?.Size ?? 0,
                mappedFieldDataSize: _mappedFieldDataOpt?.Count ?? 0);

            int methodBodyStreamRva      = location.RelativeVirtualAddress + textSection.OffsetToILStream;
            int mappedFieldDataStreamRva = location.RelativeVirtualAddress + textSection.CalculateOffsetToMappedFieldDataStream();

            _metadataSerializer.SerializeMetadata(metadataBuilder, methodBodyStreamRva, mappedFieldDataStreamRva);

            DirectoryEntry debugDirectoryEntry;
            BlobBuilder    debugTableBuilderOpt;

            if (_debugDirectoryBuilderOpt != null)
            {
                int debugDirectoryOffset = textSection.ComputeOffsetToDebugDirectory();
                debugTableBuilderOpt = new BlobBuilder(_debugDirectoryBuilderOpt.TableSize);
                _debugDirectoryBuilderOpt.Serialize(debugTableBuilderOpt, location, debugDirectoryOffset);

                // Only the size of the fixed part of the debug table goes here.
                debugDirectoryEntry = new DirectoryEntry(
                    location.RelativeVirtualAddress + debugDirectoryOffset,
                    _debugDirectoryBuilderOpt.TableSize);
            }
            else
            {
                debugTableBuilderOpt = null;
                debugDirectoryEntry  = default(DirectoryEntry);
            }

            _lazyEntryPointAddress = textSection.GetEntryPointAddress(location.RelativeVirtualAddress);

            textSection.Serialize(
                sectionBuilder,
                location.RelativeVirtualAddress,
                _entryPointOpt.IsNil ? 0 : MetadataTokens.GetToken(_entryPointOpt),
                _corFlags,
                Header.ImageBase,
                metadataBuilder,
                _ilStream,
                _mappedFieldDataOpt,
                _managedResourcesOpt,
                debugTableBuilderOpt,
                out _lazyStrongNameSignature);

            _peDirectoriesBuilder.AddressOfEntryPoint = _lazyEntryPointAddress;
            _peDirectoriesBuilder.DebugTable          = debugDirectoryEntry;
            _peDirectoriesBuilder.ImportAddressTable  = textSection.GetImportAddressTableDirectoryEntry(location.RelativeVirtualAddress);
            _peDirectoriesBuilder.ImportTable         = textSection.GetImportTableDirectoryEntry(location.RelativeVirtualAddress);
            _peDirectoriesBuilder.CorHeaderTable      = textSection.GetCorHeaderDirectoryEntry(location.RelativeVirtualAddress);

            return(sectionBuilder);
        }