internal CoffHeader(ref PEBinaryReader reader) { Machine = (Machine)reader.ReadUInt16(); NumberOfSections = reader.ReadInt16(); TimeDateStamp = reader.ReadInt32(); PointerToSymbolTable = reader.ReadInt32(); NumberOfSymbols = reader.ReadInt32(); SizeOfOptionalHeader = reader.ReadInt16(); Characteristics = (Characteristics)reader.ReadUInt16(); }
internal CoffHeader(ref PEBinaryReader reader) { Machine = (Machine)reader.ReadUInt16(); NumberOfSections = reader.ReadInt16(); TimeDateStamp = reader.ReadInt32(); PointerToSymbolTable = reader.ReadInt32(); NumberOfSymbols = reader.ReadInt32(); SizeOfOptionalHeader = reader.ReadInt16(); Characteristics = (Characteristics)reader.ReadUInt16(); }
internal SectionHeader(ref PEBinaryReader reader) { name = reader.ReadUTF8(PEFileConstants.SizeofSectionName); virtualSize = reader.ReadInt32(); virtualAddress = reader.ReadInt32(); sizeOfRawData = reader.ReadInt32(); pointerToRawData = reader.ReadInt32(); pointerToRelocations = reader.ReadInt32(); pointerToLineNumbers = reader.ReadInt32(); numberOfRelocations = reader.ReadUInt16(); numberOfLineNumbers = reader.ReadUInt16(); sectionCharacteristics = (SectionCharacteristics)reader.ReadUInt32(); }
internal CorHeader(ref PEBinaryReader reader) { // byte count reader.ReadInt32(); MajorRuntimeVersion = reader.ReadUInt16(); MinorRuntimeVersion = reader.ReadUInt16(); MetadataDirectory = new DirectoryEntry(ref reader); Flags = (CorFlags)reader.ReadUInt32(); EntryPointTokenOrRelativeVirtualAddress = reader.ReadInt32(); ResourcesDirectory = new DirectoryEntry(ref reader); StrongNameSignatureDirectory = new DirectoryEntry(ref reader); CodeManagerTableDirectory = new DirectoryEntry(ref reader); VtableFixupsDirectory = new DirectoryEntry(ref reader); ExportAddressTableJumpsDirectory = new DirectoryEntry(ref reader); ManagedNativeHeaderDirectory = new DirectoryEntry(ref reader); }
internal CorHeader(ref PEBinaryReader reader) { // byte count reader.ReadInt32(); MajorRuntimeVersion = reader.ReadUInt16(); MinorRuntimeVersion = reader.ReadUInt16(); MetadataDirectory = new DirectoryEntry(ref reader); Flags = (CorFlags)reader.ReadUInt32(); EntryPointTokenOrRelativeVirtualAddress = reader.ReadInt32(); ResourcesDirectory = new DirectoryEntry(ref reader); StrongNameSignatureDirectory = new DirectoryEntry(ref reader); CodeManagerTableDirectory = new DirectoryEntry(ref reader); VtableFixupsDirectory = new DirectoryEntry(ref reader); ExportAddressTableJumpsDirectory = new DirectoryEntry(ref reader); ManagedNativeHeaderDirectory = new DirectoryEntry(ref reader); }
private void SkipDosHeader(ref PEBinaryReader reader, out bool isCOFFOnly) { // Look for DOS Signature "MZ" ushort dosSig = reader.ReadUInt16(); if (dosSig != DosSignature) { // If image doesn't start with DOS signature, let's assume it is a // COFF (Common Object File Format), aka .OBJ file. // See CLiteWeightStgdbRW::FindObjMetaData in ndp\clr\src\MD\enc\peparse.cpp if (dosSig != 0 || reader.ReadUInt16() != 0xffff) { isCOFFOnly = true; reader.Seek(0); } else { // Might need to handle other formats. Anonymous or LTCG objects, for example. throw new BadImageFormatException(SR.UnknownFileFormat); } } else { isCOFFOnly = false; } if (!isCOFFOnly) { // Skip the DOS Header reader.Seek(PESignatureOffsetLocation); int ntHeaderOffset = reader.ReadInt32(); reader.Seek(ntHeaderOffset); // Look for PESignature "PE\0\0" uint ntSignature = reader.ReadUInt32(); if (ntSignature != PESignature) { throw new BadImageFormatException(SR.InvalidPESignature); } } }
private void SkipDosHeader(ref PEBinaryReader reader, out bool isCOFFOnly) { // Look for DOS Signature "MZ" ushort dosSig = reader.ReadUInt16(); if (dosSig != PEFileConstants.DosSignature) { // If image doesn't start with DOS signature, let's assume it is a // COFF (Common Object File Format), aka .OBJ file. // See CLiteWeightStgdbRW::FindObjMetaData in ndp\clr\src\MD\enc\peparse.cpp if (dosSig != 0 || reader.ReadUInt16() != 0xffff) { isCOFFOnly = true; reader.Seek(0); } else { // Might need to handle other formats. Anonymous or LTCG objects, for example. throw new BadImageFormatException(SR.UnknownFileFormat); } } else { isCOFFOnly = false; } if (!isCOFFOnly) { // Skip the DOS Header reader.Seek(PEFileConstants.PESignatureOffsetLocation); int ntHeaderOffset = reader.ReadInt32(); reader.Seek(ntHeaderOffset); // Look for PESignature "PE\0\0" uint ntSignature = reader.ReadUInt32(); if (ntSignature != PEFileConstants.PESignature) { throw new BadImageFormatException(SR.InvalidPESignature); } } }
16 * sizeof(long); // directory entries internal PEHeader(ref PEBinaryReader reader) { PEMagic magic = (PEMagic)reader.ReadUInt16(); if (magic != PEMagic.PE32 && magic != PEMagic.PE32Plus) { throw new BadImageFormatException("UnknownPEMagicValue"); } Magic = magic; MajorLinkerVersion = reader.ReadByte(); MinorLinkerVersion = reader.ReadByte(); SizeOfCode = reader.ReadInt32(); SizeOfInitializedData = reader.ReadInt32(); SizeOfUninitializedData = reader.ReadInt32(); AddressOfEntryPoint = reader.ReadInt32(); BaseOfCode = reader.ReadInt32(); if (magic == PEMagic.PE32Plus) { BaseOfData = 0; // not present } else { Debug.Assert(magic == PEMagic.PE32); BaseOfData = reader.ReadInt32(); } if (magic == PEMagic.PE32Plus) { ImageBase = reader.ReadUInt64(); } else { ImageBase = reader.ReadUInt32(); } // NT additional fields: SectionAlignment = reader.ReadInt32(); FileAlignment = reader.ReadInt32(); MajorOperatingSystemVersion = reader.ReadUInt16(); MinorOperatingSystemVersion = reader.ReadUInt16(); MajorImageVersion = reader.ReadUInt16(); MinorImageVersion = reader.ReadUInt16(); MajorSubsystemVersion = reader.ReadUInt16(); MinorSubsystemVersion = reader.ReadUInt16(); // Win32VersionValue (reserved, should be 0) reader.ReadUInt32(); SizeOfImage = reader.ReadInt32(); SizeOfHeaders = reader.ReadInt32(); CheckSum = reader.ReadUInt32(); Subsystem = (Subsystem)reader.ReadUInt16(); DllCharacteristics = (DllCharacteristics)reader.ReadUInt16(); if (magic == PEMagic.PE32Plus) { SizeOfStackReserve = reader.ReadUInt64(); SizeOfStackCommit = reader.ReadUInt64(); SizeOfHeapReserve = reader.ReadUInt64(); SizeOfHeapCommit = reader.ReadUInt64(); } else { SizeOfStackReserve = reader.ReadUInt32(); SizeOfStackCommit = reader.ReadUInt32(); SizeOfHeapReserve = reader.ReadUInt32(); SizeOfHeapCommit = reader.ReadUInt32(); } // loader flags reader.ReadUInt32(); NumberOfRvaAndSizes = reader.ReadInt32(); // directory entries: ExportTableDirectory = new DirectoryEntry(ref reader); ImportTableDirectory = new DirectoryEntry(ref reader); ResourceTableDirectory = new DirectoryEntry(ref reader); ExceptionTableDirectory = new DirectoryEntry(ref reader); CertificateTableDirectory = new DirectoryEntry(ref reader); BaseRelocationTableDirectory = new DirectoryEntry(ref reader); DebugTableDirectory = new DirectoryEntry(ref reader); CopyrightTableDirectory = new DirectoryEntry(ref reader); GlobalPointerTableDirectory = new DirectoryEntry(ref reader); ThreadLocalStorageTableDirectory = new DirectoryEntry(ref reader); LoadConfigTableDirectory = new DirectoryEntry(ref reader); BoundImportTableDirectory = new DirectoryEntry(ref reader); ImportAddressTableDirectory = new DirectoryEntry(ref reader); DelayImportTableDirectory = new DirectoryEntry(ref reader); CorHeaderTableDirectory = new DirectoryEntry(ref reader); // ReservedDirectory (should be 0, 0) new DirectoryEntry(ref reader); }
internal SectionHeader(ref PEBinaryReader reader) { name = reader.ReadUTF8(PEFileConstants.SizeofSectionName); virtualSize = reader.ReadInt32(); virtualAddress = reader.ReadInt32(); sizeOfRawData = reader.ReadInt32(); pointerToRawData = reader.ReadInt32(); pointerToRelocations = reader.ReadInt32(); pointerToLineNumbers = reader.ReadInt32(); numberOfRelocations = reader.ReadUInt16(); numberOfLineNumbers = reader.ReadUInt16(); sectionCharacteristics = (SectionCharacteristics)reader.ReadUInt32(); }
internal PEHeader(ref PEBinaryReader reader) { PEMagic magic = (PEMagic)reader.ReadUInt16(); if (magic != PEMagic.PE32 && magic != PEMagic.PE32Plus) { throw new BadImageFormatException(SR.UnknownPEMagicValue); } Magic = magic; MajorLinkerVersion = reader.ReadByte(); MinorLinkerVersion = reader.ReadByte(); SizeOfCode = reader.ReadInt32(); SizeOfInitializedData = reader.ReadInt32(); SizeOfUninitializedData = reader.ReadInt32(); AddressOfEntryPoint = reader.ReadInt32(); BaseOfCode = reader.ReadInt32(); if (magic == PEMagic.PE32Plus) { BaseOfData = 0; // not present } else { Debug.Assert(magic == PEMagic.PE32); BaseOfData = reader.ReadInt32(); } if (magic == PEMagic.PE32Plus) { ImageBase = reader.ReadUInt64(); } else { ImageBase = reader.ReadUInt32(); } // NT additional fields: SectionAlignment = reader.ReadInt32(); FileAlignment = reader.ReadInt32(); MajorOperatingSystemVersion = reader.ReadUInt16(); MinorOperatingSystemVersion = reader.ReadUInt16(); MajorImageVersion = reader.ReadUInt16(); MinorImageVersion = reader.ReadUInt16(); MajorSubsystemVersion = reader.ReadUInt16(); MinorSubsystemVersion = reader.ReadUInt16(); // Win32VersionValue (reserved, should be 0) reader.ReadUInt32(); SizeOfImage = reader.ReadInt32(); SizeOfHeaders = reader.ReadInt32(); CheckSum = reader.ReadUInt32(); Subsystem = (Subsystem)reader.ReadUInt16(); DllCharacteristics = (DllCharacteristics)reader.ReadUInt16(); if (magic == PEMagic.PE32Plus) { SizeOfStackReserve = reader.ReadUInt64(); SizeOfStackCommit = reader.ReadUInt64(); SizeOfHeapReserve = reader.ReadUInt64(); SizeOfHeapCommit = reader.ReadUInt64(); } else { SizeOfStackReserve = reader.ReadUInt32(); SizeOfStackCommit = reader.ReadUInt32(); SizeOfHeapReserve = reader.ReadUInt32(); SizeOfHeapCommit = reader.ReadUInt32(); } // loader flags reader.ReadUInt32(); NumberOfRvaAndSizes = reader.ReadInt32(); // directory entries: ExportTableDirectory = new DirectoryEntry(ref reader); ImportTableDirectory = new DirectoryEntry(ref reader); ResourceTableDirectory = new DirectoryEntry(ref reader); ExceptionTableDirectory = new DirectoryEntry(ref reader); CertificateTableDirectory = new DirectoryEntry(ref reader); BaseRelocationTableDirectory = new DirectoryEntry(ref reader); DebugTableDirectory = new DirectoryEntry(ref reader); CopyrightTableDirectory = new DirectoryEntry(ref reader); GlobalPointerTableDirectory = new DirectoryEntry(ref reader); ThreadLocalStorageTableDirectory = new DirectoryEntry(ref reader); LoadConfigTableDirectory = new DirectoryEntry(ref reader); BoundImportTableDirectory = new DirectoryEntry(ref reader); ImportAddressTableDirectory = new DirectoryEntry(ref reader); DelayImportTableDirectory = new DirectoryEntry(ref reader); CorHeaderTableDirectory = new DirectoryEntry(ref reader); // ReservedDirectory (should be 0, 0) new DirectoryEntry(ref reader); }