/// <summary>
/// Serialized #Pdb stream.
/// </summary>
protected override void SerializeStandalonePdbStream(BlobBuilder builder)
{
int startPosition = builder.Position;
// the id will be filled in later
_pdbIdBlob = builder.ReserveBytes(MetadataSizes.PdbIdSize);
builder.WriteInt32(_entryPoint.IsNil ? 0 : MetadataTokens.GetToken(_entryPoint));
builder.WriteUInt64(MetadataSizes.ExternalTablesMask);
MetadataWriterUtilities.SerializeRowCounts(builder, MetadataSizes.ExternalRowCounts);
int endPosition = builder.Position;
Debug.Assert(MetadataSizes.CalculateStandalonePdbStreamSize() == endPosition - startPosition);
}
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);
MetadataWriterUtilities.SerializeRowCounts(writer, metadataSizes.RowCounts);
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
{
throw new ArgumentException(SR.Format(SR.InvalidConstantValueOfType, type));
}
}
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
{
throw new ArgumentException(SR.Format(SR.InvalidConstantValueOfType, type));
}
}
private void WriteRuntimeStartupStub(BlobBuilder sectionBuilder, int importAddressTableRva, ulong baseAddress)
{
// entry point code, consisting of a jump indirect to _CorXXXMain
if (Is32Bit)
{
// Write zeros (nops) to pad the entry point code so that the target address is aligned on a 4 byte boundary.
// Note that the section is aligned to FileAlignment, which is at least 512, so we can align relatively to the start of the section.
sectionBuilder.Align(4);
sectionBuilder.WriteUInt16(0);
sectionBuilder.WriteByte(0xff);
sectionBuilder.WriteByte(0x25); //4
sectionBuilder.WriteUInt32((uint)importAddressTableRva + (uint)baseAddress); //8
}
else
{
// Write zeros (nops) to pad the entry point code so that the target address is aligned on a 8 byte boundary.
// Note that the section is aligned to FileAlignment, which is at least 512, so we can align relatively to the start of the section.
sectionBuilder.Align(8);
sectionBuilder.WriteUInt32(0);
sectionBuilder.WriteUInt16(0);
sectionBuilder.WriteByte(0xff);
sectionBuilder.WriteByte(0x25); //8
sectionBuilder.WriteUInt64((ulong)importAddressTableRva + baseAddress); //16
}
}
private void WriteImportTable(BlobBuilder builder, int importTableRva, int importAddressTableRva)
{
int start = builder.Count;
int ilRVA = importTableRva + 40;
int hintRva = ilRVA + (Is32Bit ? 12 : 16);
int nameRva = hintRva + 12 + 2;
// Import table
builder.WriteUInt32((uint)ilRVA); // 4
builder.WriteUInt32(0); // 8
builder.WriteUInt32(0); // 12
builder.WriteUInt32((uint)nameRva); // 16
builder.WriteUInt32((uint)importAddressTableRva); // 20
builder.WriteBytes(0, 20); // 40
// Import Lookup table
if (Is32Bit)
{
builder.WriteUInt32((uint)hintRva); // 44
builder.WriteUInt32(0); // 48
builder.WriteUInt32(0); // 52
}
else
{
builder.WriteUInt64((uint)hintRva); // 48
builder.WriteUInt64(0); // 56
}
// Hint table
builder.WriteUInt16(0); // Hint 54|58
foreach (char ch in CorEntryPointName)
{
builder.WriteByte((byte)ch); // 65|69
}
builder.WriteByte(0); // 66|70
Debug.Assert(builder.Count - start == SizeOfImportTable);
}
private void WriteImportAddressTable(BlobBuilder builder, int importTableRva)
{
int start = builder.Count;
int ilRva = importTableRva + 40;
int hintRva = ilRva + (Is32Bit ? 12 : 16);
// Import Address Table
if (Is32Bit)
{
builder.WriteUInt32((uint)hintRva); // 4
builder.WriteUInt32(0); // 8
}
else
{
builder.WriteUInt64((uint)hintRva); // 8
builder.WriteUInt64(0); // 16
}
Debug.Assert(builder.Count - start == SizeOfImportAddressTable);
}
private void WritePEHeader(BlobBuilder builder, PEDirectoriesBuilder directories, ImmutableArray<SerializedSection> sections)
{
builder.WriteUInt16((ushort)(Header.Is32Bit ? PEMagic.PE32 : PEMagic.PE32Plus));
builder.WriteByte(Header.MajorLinkerVersion);
builder.WriteByte(Header.MinorLinkerVersion);
// SizeOfCode:
builder.WriteUInt32((uint)SumRawDataSizes(sections, SectionCharacteristics.ContainsCode));
// SizeOfInitializedData:
builder.WriteUInt32((uint)SumRawDataSizes(sections, SectionCharacteristics.ContainsInitializedData));
// SizeOfUninitializedData:
builder.WriteUInt32((uint)SumRawDataSizes(sections, SectionCharacteristics.ContainsUninitializedData));
// AddressOfEntryPoint:
builder.WriteUInt32((uint)directories.AddressOfEntryPoint);
// BaseOfCode:
int codeSectionIndex = IndexOfSection(sections, SectionCharacteristics.ContainsCode);
builder.WriteUInt32((uint)(codeSectionIndex != -1 ? sections[codeSectionIndex].RelativeVirtualAddress : 0));
if (Header.Is32Bit)
{
// BaseOfData:
int dataSectionIndex = IndexOfSection(sections, SectionCharacteristics.ContainsInitializedData);
builder.WriteUInt32((uint)(dataSectionIndex != -1 ? sections[dataSectionIndex].RelativeVirtualAddress : 0));
builder.WriteUInt32((uint)Header.ImageBase);
}
else
{
builder.WriteUInt64(Header.ImageBase);
}
// NT additional fields:
builder.WriteUInt32((uint)Header.SectionAlignment);
builder.WriteUInt32((uint)Header.FileAlignment);
builder.WriteUInt16(Header.MajorOperatingSystemVersion);
builder.WriteUInt16(Header.MinorOperatingSystemVersion);
builder.WriteUInt16(Header.MajorImageVersion);
builder.WriteUInt16(Header.MinorImageVersion);
builder.WriteUInt16(Header.MajorSubsystemVersion);
builder.WriteUInt16(Header.MinorSubsystemVersion);
// Win32VersionValue (reserved, should be 0)
builder.WriteUInt32(0);
// SizeOfImage:
var lastSection = sections[sections.Length - 1];
builder.WriteUInt32((uint)BitArithmetic.Align(lastSection.RelativeVirtualAddress + lastSection.VirtualSize, Header.SectionAlignment));
// SizeOfHeaders:
builder.WriteUInt32((uint)BitArithmetic.Align(Header.ComputeSizeOfPeHeaders(sections.Length), Header.FileAlignment));
// Checksum:
// Shall be zero for strong name signing.
builder.WriteUInt32(0);
builder.WriteUInt16((ushort)Header.Subsystem);
builder.WriteUInt16((ushort)Header.DllCharacteristics);
if (Header.Is32Bit)
{
builder.WriteUInt32((uint)Header.SizeOfStackReserve);
builder.WriteUInt32((uint)Header.SizeOfStackCommit);
builder.WriteUInt32((uint)Header.SizeOfHeapReserve);
builder.WriteUInt32((uint)Header.SizeOfHeapCommit);
}
else
{
builder.WriteUInt64(Header.SizeOfStackReserve);
builder.WriteUInt64(Header.SizeOfStackCommit);
builder.WriteUInt64(Header.SizeOfHeapReserve);
builder.WriteUInt64(Header.SizeOfHeapCommit);
}
// LoaderFlags
builder.WriteUInt32(0);
// The number of data-directory entries in the remainder of the header.
builder.WriteUInt32(16);
// directory entries:
builder.WriteUInt32((uint)directories.ExportTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.ExportTable.Size);
builder.WriteUInt32((uint)directories.ImportTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.ImportTable.Size);
builder.WriteUInt32((uint)directories.ResourceTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.ResourceTable.Size);
builder.WriteUInt32((uint)directories.ExceptionTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.ExceptionTable.Size);
// Authenticode CertificateTable directory. Shall be zero before the PE is signed.
builder.WriteUInt32(0);
builder.WriteUInt32(0);
builder.WriteUInt32((uint)directories.BaseRelocationTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.BaseRelocationTable.Size);
builder.WriteUInt32((uint)directories.DebugTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.DebugTable.Size);
builder.WriteUInt32((uint)directories.CopyrightTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.CopyrightTable.Size);
builder.WriteUInt32((uint)directories.GlobalPointerTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.GlobalPointerTable.Size);
builder.WriteUInt32((uint)directories.ThreadLocalStorageTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.ThreadLocalStorageTable.Size);
builder.WriteUInt32((uint)directories.LoadConfigTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.LoadConfigTable.Size);
builder.WriteUInt32((uint)directories.BoundImportTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.BoundImportTable.Size);
builder.WriteUInt32((uint)directories.ImportAddressTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.ImportAddressTable.Size);
builder.WriteUInt32((uint)directories.DelayImportTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.DelayImportTable.Size);
builder.WriteUInt32((uint)directories.CorHeaderTable.RelativeVirtualAddress);
builder.WriteUInt32((uint)directories.CorHeaderTable.Size);
// Reserved, should be 0
builder.WriteUInt64(0);
}
