public void WritePrimitive() { var writer = new BlobBuilder(4); writer.WriteUInt32(0x11223344); writer.WriteUInt16(0x5566); writer.WriteByte(0x77); writer.WriteUInt64(0x8899aabbccddeeff); writer.WriteInt32(-1); writer.WriteInt16(-2); writer.WriteSByte(-3); writer.WriteBoolean(true); writer.WriteBoolean(false); writer.WriteInt64(unchecked((long)0xfedcba0987654321)); writer.WriteDateTime(new DateTime(0x1112223334445556)); writer.WriteDecimal(102030405060.70m); writer.WriteDouble(double.NaN); writer.WriteSingle(float.NegativeInfinity); AssertEx.Equal(new byte[] { 0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x77, 0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xfd, 0x01, 0x00, 0x21, 0x43, 0x65, 0x87, 0x09, 0xBA, 0xDC, 0xFE, 0x56, 0x55, 0x44, 0x34, 0x33, 0x22, 0x12, 0x11, 0x02, 0xD6, 0xE0, 0x9A, 0x94, 0x47, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xFF, 0x00, 0x00, 0x80, 0xFF }, writer.ToArray()); }
private void WriteRuntimeStartupStub(Stream peStream, int importAddressTableRva) { var writer = new BlobBuilder(16); // entry point code, consisting of a jump indirect to _CorXXXMain if (_is32bit) { //emit 0's (nops) to pad the entry point code so that the target address is aligned on a 4 byte boundary. for (uint i = 0, n = (uint)(BitArithmeticUtilities.Align((uint)peStream.Position, 4) - peStream.Position); i < n; i++) { writer.WriteByte(0); } writer.WriteUInt16(0); writer.WriteByte(0xff); writer.WriteByte(0x25); //4 writer.WriteUInt32((uint)importAddressTableRva + (uint)_properties.BaseAddress); //8 } else { //emit 0's (nops) to pad the entry point code so that the target address is aligned on a 8 byte boundary. for (uint i = 0, n = (uint)(BitArithmeticUtilities.Align((uint)peStream.Position, 8) - peStream.Position); i < n; i++) { writer.WriteByte(0); } writer.WriteUInt32(0); writer.WriteUInt16(0); writer.WriteByte(0xff); writer.WriteByte(0x25); //8 writer.WriteUInt64((ulong)importAddressTableRva + _properties.BaseAddress); //16 } writer.WriteTo(peStream); }
private static void WriteCorHeader(Stream peStream, CorHeader corHeader) { var writer = new BlobBuilder(CorHeaderSize); writer.WriteUInt32(CorHeaderSize); writer.WriteUInt16(corHeader.MajorRuntimeVersion); writer.WriteUInt16(corHeader.MinorRuntimeVersion); writer.WriteUInt32((uint)corHeader.MetadataDirectory.RelativeVirtualAddress); writer.WriteUInt32((uint)corHeader.MetadataDirectory.Size); writer.WriteUInt32((uint)corHeader.Flags); writer.WriteUInt32((uint)corHeader.EntryPointTokenOrRelativeVirtualAddress); writer.WriteUInt32((uint)(corHeader.ResourcesDirectory.Size == 0 ? 0 : corHeader.ResourcesDirectory.RelativeVirtualAddress)); // 28 writer.WriteUInt32((uint)corHeader.ResourcesDirectory.Size); writer.WriteUInt32((uint)(corHeader.StrongNameSignatureDirectory.Size == 0 ? 0 : corHeader.StrongNameSignatureDirectory.RelativeVirtualAddress)); // 36 writer.WriteUInt32((uint)corHeader.StrongNameSignatureDirectory.Size); writer.WriteUInt32((uint)corHeader.CodeManagerTableDirectory.RelativeVirtualAddress); writer.WriteUInt32((uint)corHeader.CodeManagerTableDirectory.Size); writer.WriteUInt32((uint)corHeader.VtableFixupsDirectory.RelativeVirtualAddress); writer.WriteUInt32((uint)corHeader.VtableFixupsDirectory.Size); writer.WriteUInt32((uint)corHeader.ExportAddressTableJumpsDirectory.RelativeVirtualAddress); writer.WriteUInt32((uint)corHeader.ExportAddressTableJumpsDirectory.Size); writer.WriteUInt64(0); Debug.Assert(writer.Length == CorHeaderSize); Debug.Assert(writer.Length % 4 == 0); writer.WriteTo(peStream); }
private void WriteImportTable(Stream peStream, int importTableRva, int importAddressTableRva) { var writer = new BlobBuilder(SizeOfImportTable); int ilRVA = importTableRva + 40; int hintRva = ilRVA + (_is32bit ? 12 : 16); int nameRva = hintRva + 12 + 2; // Import table writer.WriteUInt32((uint)ilRVA); // 4 writer.WriteUInt32(0); // 8 writer.WriteUInt32(0); // 12 writer.WriteUInt32((uint)nameRva); // 16 writer.WriteUInt32((uint)importAddressTableRva); // 20 writer.WriteBytes(0, 20); // 40 // Import Lookup table if (_is32bit) { writer.WriteUInt32((uint)hintRva); // 44 writer.WriteUInt32(0); // 48 writer.WriteUInt32(0); // 52 } else { writer.WriteUInt64((uint)hintRva); // 48 writer.WriteUInt64(0); // 56 } // Hint table writer.WriteUInt16(0); // Hint 54|58 foreach (char ch in CorEntryPointName) { writer.WriteByte((byte)ch); // 65|69 } writer.WriteByte(0); // 66|70 Debug.Assert(writer.Length == SizeOfImportTable); writer.WriteTo(peStream); }
private void WriteImportAddressTable(Stream peStream, int importTableRva) { var writer = new BlobBuilder(SizeOfImportAddressTable); int ilRVA = importTableRva + 40; int hintRva = ilRVA + (_is32bit ? 12 : 16); // Import Address Table if (_is32bit) { writer.WriteUInt32((uint)hintRva); // 4 writer.WriteUInt32(0); // 8 } else { writer.WriteUInt64((uint)hintRva); // 8 writer.WriteUInt64(0); // 16 } Debug.Assert(writer.Length == SizeOfImportAddressTable); writer.WriteTo(peStream); }
private void WriteHeaders(Stream peStream, NtHeader ntHeader, CoffHeader coffHeader, List<SectionHeader> sectionHeaders, out long ntHeaderTimestampPosition) { var writer = new BlobBuilder(1024); // MS-DOS stub (128 bytes) writer.WriteBytes(s_dosHeader); // PE Signature "PE\0\0" writer.WriteUInt32(0x00004550); // COFF Header (20 bytes) writer.WriteUInt16((ushort)coffHeader.Machine); writer.WriteUInt16((ushort)coffHeader.NumberOfSections); ntHeaderTimestampPosition = writer.Position + peStream.Position; writer.WriteUInt32((uint)coffHeader.TimeDateStamp); writer.WriteUInt32((uint)coffHeader.PointerToSymbolTable); writer.WriteUInt32((uint)coffHeader.NumberOfSymbols); writer.WriteUInt16((ushort)(_is32bit ? 224 : 240)); // SizeOfOptionalHeader writer.WriteUInt16((ushort)coffHeader.Characteristics); // PE Headers: writer.WriteUInt16((ushort)(_is32bit ? PEMagic.PE32 : PEMagic.PE32Plus)); // 2 writer.WriteByte(ntHeader.MajorLinkerVersion); // 3 writer.WriteByte(ntHeader.MinorLinkerVersion); // 4 writer.WriteUInt32((uint)ntHeader.SizeOfCode); // 8 writer.WriteUInt32((uint)ntHeader.SizeOfInitializedData); // 12 writer.WriteUInt32((uint)ntHeader.SizeOfUninitializedData); // 16 writer.WriteUInt32((uint)ntHeader.AddressOfEntryPoint); // 20 writer.WriteUInt32((uint)ntHeader.BaseOfCode); // 24 if (_is32bit) { writer.WriteUInt32((uint)ntHeader.BaseOfData); // 28 writer.WriteUInt32((uint)ntHeader.ImageBase); // 32 } else { writer.WriteUInt64(ntHeader.ImageBase); // 32 } // NT additional fields: writer.WriteUInt32((uint)ntHeader.SectionAlignment); // 36 writer.WriteUInt32((uint)ntHeader.FileAlignment); // 40 writer.WriteUInt16(ntHeader.MajorOperatingSystemVersion); // 42 writer.WriteUInt16(ntHeader.MinorOperatingSystemVersion); // 44 writer.WriteUInt16(ntHeader.MajorImageVersion); // 46 writer.WriteUInt16(ntHeader.MinorImageVersion); // 48 writer.WriteUInt16(ntHeader.MajorSubsystemVersion); // MajorSubsystemVersion 50 writer.WriteUInt16(ntHeader.MinorSubsystemVersion); // MinorSubsystemVersion 52 // Win32VersionValue (reserved, should be 0) writer.WriteUInt32(0); // 56 writer.WriteUInt32((uint)ntHeader.SizeOfImage); // 60 writer.WriteUInt32((uint)ntHeader.SizeOfHeaders); // 64 writer.WriteUInt32(ntHeader.Checksum); // 68 writer.WriteUInt16((ushort)ntHeader.Subsystem); // 70 writer.WriteUInt16((ushort)ntHeader.DllCharacteristics); if (_is32bit) { writer.WriteUInt32((uint)ntHeader.SizeOfStackReserve); // 76 writer.WriteUInt32((uint)ntHeader.SizeOfStackCommit); // 80 writer.WriteUInt32((uint)ntHeader.SizeOfHeapReserve); // 84 writer.WriteUInt32((uint)ntHeader.SizeOfHeapCommit); // 88 } else { writer.WriteUInt64(ntHeader.SizeOfStackReserve); // 80 writer.WriteUInt64(ntHeader.SizeOfStackCommit); // 88 writer.WriteUInt64(ntHeader.SizeOfHeapReserve); // 96 writer.WriteUInt64(ntHeader.SizeOfHeapCommit); // 104 } // LoaderFlags writer.WriteUInt32(0); // 92|108 // The number of data-directory entries in the remainder of the header. writer.WriteUInt32(16); // 96|112 // directory entries: writer.WriteUInt32((uint)ntHeader.ExportTable.RelativeVirtualAddress); // 100|116 writer.WriteUInt32((uint)ntHeader.ExportTable.Size); // 104|120 writer.WriteUInt32((uint)ntHeader.ImportTable.RelativeVirtualAddress); // 108|124 writer.WriteUInt32((uint)ntHeader.ImportTable.Size); // 112|128 writer.WriteUInt32((uint)ntHeader.ResourceTable.RelativeVirtualAddress); // 116|132 writer.WriteUInt32((uint)ntHeader.ResourceTable.Size); // 120|136 writer.WriteUInt32((uint)ntHeader.ExceptionTable.RelativeVirtualAddress); // 124|140 writer.WriteUInt32((uint)ntHeader.ExceptionTable.Size); // 128|144 writer.WriteUInt32((uint)ntHeader.CertificateTable.RelativeVirtualAddress); // 132|148 writer.WriteUInt32((uint)ntHeader.CertificateTable.Size); // 136|152 writer.WriteUInt32((uint)ntHeader.BaseRelocationTable.RelativeVirtualAddress); // 140|156 writer.WriteUInt32((uint)ntHeader.BaseRelocationTable.Size); // 144|160 writer.WriteUInt32((uint)ntHeader.DebugTable.RelativeVirtualAddress); // 148|164 writer.WriteUInt32((uint)ntHeader.DebugTable.Size); // 152|168 writer.WriteUInt32((uint)ntHeader.CopyrightTable.RelativeVirtualAddress); // 156|172 writer.WriteUInt32((uint)ntHeader.CopyrightTable.Size); // 160|176 writer.WriteUInt32((uint)ntHeader.GlobalPointerTable.RelativeVirtualAddress); // 164|180 writer.WriteUInt32((uint)ntHeader.GlobalPointerTable.Size); // 168|184 writer.WriteUInt32((uint)ntHeader.ThreadLocalStorageTable.RelativeVirtualAddress); // 172|188 writer.WriteUInt32((uint)ntHeader.ThreadLocalStorageTable.Size); // 176|192 writer.WriteUInt32((uint)ntHeader.LoadConfigTable.RelativeVirtualAddress); // 180|196 writer.WriteUInt32((uint)ntHeader.LoadConfigTable.Size); // 184|200 writer.WriteUInt32((uint)ntHeader.BoundImportTable.RelativeVirtualAddress); // 188|204 writer.WriteUInt32((uint)ntHeader.BoundImportTable.Size); // 192|208 writer.WriteUInt32((uint)ntHeader.ImportAddressTable.RelativeVirtualAddress); // 196|212 writer.WriteUInt32((uint)ntHeader.ImportAddressTable.Size); // 200|216 writer.WriteUInt32((uint)ntHeader.DelayImportTable.RelativeVirtualAddress); // 204|220 writer.WriteUInt32((uint)ntHeader.DelayImportTable.Size); // 208|224 writer.WriteUInt32((uint)ntHeader.CliHeaderTable.RelativeVirtualAddress); // 212|228 writer.WriteUInt32((uint)ntHeader.CliHeaderTable.Size); // 216|232 writer.WriteUInt64(0); // 224|240 // Section Headers foreach (var sectionHeader in sectionHeaders) { WriteSectionHeader(sectionHeader, writer); } writer.WriteTo(peStream); }
internal static void WriteConstant(BlobBuilder writer, object value) { if (value == null) { // The encoding of Type for the nullref value for FieldInit is ELEMENT_TYPE_CLASS with a Value of a 32-bit. writer.WriteUInt32(0); return; } var type = value.GetType(); if (type.GetTypeInfo().IsEnum) { type = Enum.GetUnderlyingType(type); } if (type == typeof(bool)) { writer.WriteBoolean((bool)value); } else if (type == typeof(int)) { writer.WriteInt32((int)value); } else if (type == typeof(string)) { writer.WriteUTF16((string)value); } else if (type == typeof(byte)) { writer.WriteByte((byte)value); } else if (type == typeof(char)) { writer.WriteUInt16((char)value); } else if (type == typeof(double)) { writer.WriteDouble((double)value); } else if (type == typeof(short)) { writer.WriteInt16((short)value); } else if (type == typeof(long)) { writer.WriteInt64((long)value); } else if (type == typeof(sbyte)) { writer.WriteSByte((sbyte)value); } else if (type == typeof(float)) { writer.WriteSingle((float)value); } else if (type == typeof(ushort)) { writer.WriteUInt16((ushort)value); } else if (type == typeof(uint)) { writer.WriteUInt32((uint)value); } else if (type == typeof(ulong)) { writer.WriteUInt64((ulong)value); } else { // TODO: message throw new ArgumentException(); } }
private void SerializeTablesHeader(BlobBuilder writer, MetadataSizes metadataSizes) { int startPosition = writer.Position; HeapSizeFlag heapSizes = 0; if (metadataSizes.StringIndexSize > 2) { heapSizes |= HeapSizeFlag.StringHeapLarge; } if (metadataSizes.GuidIndexSize > 2) { heapSizes |= HeapSizeFlag.GuidHeapLarge; } if (metadataSizes.BlobIndexSize > 2) { heapSizes |= HeapSizeFlag.BlobHeapLarge; } if (metadataSizes.IsMinimalDelta) { heapSizes |= (HeapSizeFlag.EnCDeltas | HeapSizeFlag.DeletedMarks); } ulong sortedDebugTables = metadataSizes.PresentTablesMask & MetadataSizes.SortedDebugTables; // Consider filtering out type system tables that are not present: ulong sortedTables = sortedDebugTables | (metadataSizes.IsStandaloneDebugMetadata ? 0UL : 0x16003301fa00); writer.WriteUInt32(0); // reserved writer.WriteByte(MetadataFormatMajorVersion); writer.WriteByte(MetadataFormatMinorVersion); writer.WriteByte((byte)heapSizes); writer.WriteByte(1); // reserved writer.WriteUInt64(metadataSizes.PresentTablesMask); writer.WriteUInt64(sortedTables); SerializeRowCounts(writer, metadataSizes.RowCounts, metadataSizes.PresentTablesMask); int endPosition = writer.Position; Debug.Assert(metadataSizes.CalculateTableStreamHeaderSize() == endPosition - startPosition); }
internal static void WriteConstant(BlobBuilder writer, object value) { if (value == null) { // The encoding of Type for the nullref value for FieldInit is ELEMENT_TYPE_CLASS with a Value of a 32-bit. writer.WriteUInt32(0); return; } var type = value.GetType(); if (type.GetTypeInfo().IsEnum) { type = Enum.GetUnderlyingType(type); } if (type == typeof(bool)) { writer.WriteBoolean((bool)value); } else if (type == typeof(int)) { writer.WriteInt32((int)value); } else if (type == typeof(string)) { writer.WriteUTF16((string)value); } else if (type == typeof(byte)) { writer.WriteByte((byte)value); } else if (type == typeof(char)) { writer.WriteUInt16((char)value); } else if (type == typeof(double)) { writer.WriteDouble((double)value); } else if (type == typeof(short)) { writer.WriteInt16((short)value); } else if (type == typeof(long)) { writer.WriteInt64((long)value); } else if (type == typeof(sbyte)) { writer.WriteSByte((sbyte)value); } else if (type == typeof(float)) { writer.WriteSingle((float)value); } else if (type == typeof(ushort)) { writer.WriteUInt16((ushort)value); } else if (type == typeof(uint)) { writer.WriteUInt32((uint)value); } else if (type == typeof(ulong)) { writer.WriteUInt64((ulong)value); } else { // TODO: message throw new ArgumentException(); } }