public override void EncodeData(ref ObjectDataBuilder dataBuilder, NodeFactory factory, bool relocsOnly)
{
if (!_imports.ShouldSkipEmittingObjectNode(factory))
{
dataBuilder.EmitReloc(_imports.StartSymbol, RelocType.IMAGE_REL_BASED_ADDR32NB, 0);
}
else
{
dataBuilder.EmitUInt(0);
}
if (!relocsOnly)
{
dataBuilder.EmitInt(_imports.GetData(factory, false).Data.Length);
dataBuilder.EmitShort((short)_flags);
dataBuilder.EmitByte((byte)_type);
dataBuilder.EmitByte(_entrySize);
}
if (!_signatures.ShouldSkipEmittingObjectNode(factory))
{
dataBuilder.EmitReloc(_signatures.StartSymbol, RelocType.IMAGE_REL_BASED_ADDR32NB, 0);
}
else
{
dataBuilder.EmitUInt(0);
}
if (_emitGCRefMap)
{
dataBuilder.EmitReloc(_gcRefMap, RelocType.IMAGE_REL_BASED_ADDR32NB, 0);
}
else
{
dataBuilder.EmitUInt(0);
}
}
private void EmitImmediate(int immediate, int size)
{
switch (size)
{
case 0:
break;
case 1:
Builder.EmitByte((byte)immediate);
break;
case 2:
Builder.EmitShort((short)immediate);
break;
case 4:
Builder.EmitInt(immediate);
break;
default:
throw new NotImplementedException();
}
}
// add reg, immediate
public void EmitADD(Register reg, byte immediate)
{
Builder.EmitInt((int)(0x91 << 24) | (immediate << 10) | ((byte)reg << 5) | (byte)reg);
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder builder = new ObjectDataBuilder(factory, relocsOnly);
builder.RequireInitialPointerAlignment();
builder.AddSymbol(this);
ImmutableArray <DebugDirectoryEntry> entries = default(ImmutableArray <DebugDirectoryEntry>);
if (_module != null)
{
entries = _module.PEReader.ReadDebugDirectory();
}
int numEntries = GetNumDebugDirectoryEntriesInModule();
// First, write the native debug directory entry
{
var entry = _nativeEntry;
builder.EmitUInt(0 /* Characteristics */);
if (numEntries > 0)
{
builder.EmitUInt(entries[0].Stamp);
builder.EmitUShort(entries[0].MajorVersion);
}
else
{
builder.EmitUInt(0);
builder.EmitUShort(0);
}
// Make sure the "is portable pdb" indicator (MinorVersion == 0x504d) is clear
// for the NGen debug directory entry since this debug directory can be copied
// from an existing entry which could be a portable pdb.
builder.EmitUShort(0 /* MinorVersion */);
builder.EmitInt((int)DebugDirectoryEntryType.CodeView);
builder.EmitInt(entry.Size);
builder.EmitReloc(entry, RelocType.IMAGE_REL_BASED_ADDR32NB);
builder.EmitReloc(entry, RelocType.IMAGE_REL_FILE_ABSOLUTE);
}
// If generating a composite image, emit the deterministic marker
if (_insertDeterministicEntry)
{
builder.EmitUInt(0 /* Characteristics */);
builder.EmitUInt(0);
builder.EmitUShort(0);
builder.EmitUShort(0);
builder.EmitInt((int)DebugDirectoryEntryType.Reproducible);
builder.EmitInt(0);
builder.EmitUInt(0);
builder.EmitUInt(0);
}
// Second, copy existing entries from input module
for (int i = 0; i < numEntries; i++)
{
builder.EmitUInt(0 /* Characteristics */);
builder.EmitUInt(entries[i].Stamp);
builder.EmitUShort(entries[i].MajorVersion);
builder.EmitUShort(entries[i].MinorVersion);
builder.EmitInt((int)entries[i].Type);
builder.EmitInt(entries[i].DataSize);
if (entries[i].DataSize == 0)
{
builder.EmitUInt(0);
builder.EmitUInt(0);
}
else
{
builder.EmitReloc(factory.DebugDirectoryEntry(_module, i), RelocType.IMAGE_REL_BASED_ADDR32NB);
builder.EmitReloc(factory.DebugDirectoryEntry(_module, i), RelocType.IMAGE_REL_FILE_ABSOLUTE);
}
}
Debug.Assert(builder.CountBytes == Size);
return(builder.ToObjectData());
}
public static ObjectDataBuilder.Reservation Write(ref ObjectDataBuilder dataBuilder, ushort id)
{
dataBuilder.EmitInt(id);
return(dataBuilder.ReserveInt());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder builder = new ObjectDataBuilder(factory, relocsOnly);
builder.RequireInitialPointerAlignment();
builder.AddSymbol(this);
BlobReader reader = _module.PEReader.GetEntireImage().GetReader();
reader.Offset = _module.PEReader.PEHeaders.CorHeaderStartOffset;
// Header Size
int headerSize = reader.ReadInt32();
builder.EmitInt(headerSize);
// Runtime major, minor version
builder.EmitUShort(reader.ReadUInt16());
builder.EmitUShort(reader.ReadUInt16());
// Metadata Directory
ReadDirectoryEntry(ref reader);
var metadataBlob = factory.CopiedMetadataBlob(_module);
builder.EmitReloc(metadataBlob, RelocType.IMAGE_REL_BASED_ADDR32NB);
builder.EmitInt(metadataBlob.Size);
// Flags
builder.EmitUInt((uint)(((CorFlags)reader.ReadUInt32() & ~CorFlags.ILOnly) | CorFlags.ILLibrary));
// Entrypoint
builder.EmitInt(reader.ReadInt32());
// Resources Directory
if (ReadDirectoryEntry(ref reader).Size > 0)
{
var managedResources = factory.CopiedManagedResources(_module);
builder.EmitReloc(managedResources, RelocType.IMAGE_REL_BASED_ADDR32NB);
builder.EmitInt(managedResources.Size);
}
else
{
WriteEmptyDirectoryEntry(ref builder);
}
// Strong Name Signature Directory
if (ReadDirectoryEntry(ref reader).Size > 0)
{
var strongNameSignature = factory.CopiedStrongNameSignature(_module);
builder.EmitReloc(strongNameSignature, RelocType.IMAGE_REL_BASED_ADDR32NB);
builder.EmitInt(strongNameSignature.Size);
}
else
{
WriteEmptyDirectoryEntry(ref builder);
}
// Code Manager Table Directory
ReadDirectoryEntry(ref reader);
WriteEmptyDirectoryEntry(ref builder);
// VTable Fixups Directory
ReadDirectoryEntry(ref reader);
WriteEmptyDirectoryEntry(ref builder);
// Export Address Table Jumps Directory
ReadDirectoryEntry(ref reader);
WriteEmptyDirectoryEntry(ref builder);
// Managed Native (ReadyToRun) Header Directory
ReadDirectoryEntry(ref reader);
builder.EmitReloc(factory.Header, RelocType.IMAGE_REL_BASED_ADDR32NB);
builder.EmitReloc(factory.Header, RelocType.IMAGE_REL_SYMBOL_SIZE);
// Did we fully read the header?
Debug.Assert(reader.Offset - headerSize == _module.PEReader.PEHeaders.CorHeaderStartOffset);
Debug.Assert(builder.CountBytes == headerSize);
Debug.Assert(headerSize == Size);
return(builder.ToObjectData());
}
private void WriteEmptyDirectoryEntry(ref ObjectDataBuilder builder)
{
builder.EmitInt(0);
builder.EmitInt(0);
}
public void WriteResources(ISymbolNode nodeAssociatedWithDataBuilder, ref ObjectDataBuilder dataBuilder)
{
Debug.Assert(dataBuilder.CountBytes == 0);
SortedDictionary <string, List <ObjectDataBuilder.Reservation> > nameTable = new SortedDictionary <string, List <ObjectDataBuilder.Reservation> >();
Dictionary <ResLanguage, int> dataEntryTable = new Dictionary <ResLanguage, int>();
List <Tuple <ResType, ObjectDataBuilder.Reservation> > resTypes = new List <Tuple <ResType, ObjectDataBuilder.Reservation> >();
List <Tuple <ResName, ObjectDataBuilder.Reservation> > resNames = new List <Tuple <ResName, ObjectDataBuilder.Reservation> >();
List <Tuple <ResLanguage, ObjectDataBuilder.Reservation> > resLanguages = new List <Tuple <ResLanguage, ObjectDataBuilder.Reservation> >();
IMAGE_RESOURCE_DIRECTORY.Write(ref dataBuilder, checked ((ushort)_resTypeHeadName.Count), checked ((ushort)_resTypeHeadID.Count));
foreach (KeyValuePair <string, ResType> res in _resTypeHeadName)
{
resTypes.Add(new Tuple <ResType, ObjectDataBuilder.Reservation>(res.Value, IMAGE_RESOURCE_DIRECTORY_ENTRY.Write(ref dataBuilder, res.Key, nameTable)));
}
foreach (KeyValuePair <ushort, ResType> res in _resTypeHeadID)
{
resTypes.Add(new Tuple <ResType, ObjectDataBuilder.Reservation>(res.Value, IMAGE_RESOURCE_DIRECTORY_ENTRY.Write(ref dataBuilder, res.Key)));
}
foreach (Tuple <ResType, ObjectDataBuilder.Reservation> type in resTypes)
{
dataBuilder.EmitUInt(type.Item2, (uint)dataBuilder.CountBytes | 0x80000000);
IMAGE_RESOURCE_DIRECTORY.Write(ref dataBuilder, checked ((ushort)type.Item1.NameHeadName.Count), checked ((ushort)type.Item1.NameHeadID.Count));
foreach (KeyValuePair <string, ResName> res in type.Item1.NameHeadName)
{
resNames.Add(new Tuple <ResName, ObjectDataBuilder.Reservation>(res.Value, IMAGE_RESOURCE_DIRECTORY_ENTRY.Write(ref dataBuilder, res.Key, nameTable)));
}
foreach (KeyValuePair <ushort, ResName> res in type.Item1.NameHeadID)
{
resNames.Add(new Tuple <ResName, ObjectDataBuilder.Reservation>(res.Value, IMAGE_RESOURCE_DIRECTORY_ENTRY.Write(ref dataBuilder, res.Key)));
}
}
foreach (Tuple <ResName, ObjectDataBuilder.Reservation> type in resNames)
{
dataBuilder.EmitUInt(type.Item2, (uint)dataBuilder.CountBytes | 0x80000000);
IMAGE_RESOURCE_DIRECTORY.Write(ref dataBuilder, 0, checked ((ushort)type.Item1.Languages.Count));
foreach (KeyValuePair <ushort, ResLanguage> res in type.Item1.Languages)
{
resLanguages.Add(new Tuple <ResLanguage, ObjectDataBuilder.Reservation>(res.Value, IMAGE_RESOURCE_DIRECTORY_ENTRY.Write(ref dataBuilder, res.Key)));
}
}
// Emit name table
dataBuilder.PadAlignment(2); // name table is 2 byte aligned
foreach (KeyValuePair <string, List <ObjectDataBuilder.Reservation> > name in nameTable)
{
foreach (ObjectDataBuilder.Reservation reservation in name.Value)
{
dataBuilder.EmitUInt(reservation, (uint)dataBuilder.CountBytes | 0x80000000);
}
dataBuilder.EmitUShort(checked ((ushort)name.Key.Length));
foreach (char c in name.Key)
{
dataBuilder.EmitUShort((ushort)c);
}
}
// Emit byte arrays of resource data, capture the offsets
foreach (Tuple <ResLanguage, ObjectDataBuilder.Reservation> language in resLanguages)
{
dataBuilder.PadAlignment(4); // Data in resource files is 4 byte aligned
dataEntryTable.Add(language.Item1, dataBuilder.CountBytes);
dataBuilder.EmitBytes(language.Item1.DataEntry);
}
dataBuilder.PadAlignment(4); // resource data entries are 4 byte aligned
foreach (Tuple <ResLanguage, ObjectDataBuilder.Reservation> language in resLanguages)
{
dataBuilder.EmitInt(language.Item2, dataBuilder.CountBytes);
IMAGE_RESOURCE_DATA_ENTRY.Write(ref dataBuilder, nodeAssociatedWithDataBuilder, dataEntryTable[language.Item1], language.Item1.DataEntry.Length);
}
dataBuilder.PadAlignment(4); // resource data entries are 4 byte aligned
}