// internal for testing
internal static byte[] SerializeCustomDebugMetadata(ArrayBuilder <PooledBlobBuilder> recordWriters)
{
if (recordWriters.Count == 0)
{
return(null);
}
int records = 0;
foreach (var rec in recordWriters)
{
records += rec.Count;
}
var result = new byte[
sizeof(byte) + // version
sizeof(byte) + // record count
sizeof(ushort) + // padding
records // records
];
var cmw = new BlobWriter(result);
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte((byte)recordWriters.Count); // count
cmw.WriteInt16(0);
foreach (var recordWriter in recordWriters)
{
cmw.WriteBytes(recordWriter);
}
return(result);
}
/// <exception cref="ArgumentNullException"><paramref name="destination"/> is default(<see cref="BlobWriter"/>).</exception>
/// <exception cref="InvalidOperationException">Content is not available, the builder has been linked with another one.</exception>
public void WriteContentTo(ref BlobWriter destination)
{
if (destination.IsDefault)
{
throw new ArgumentNullException(nameof(destination));
}
foreach (var chunk in GetChunks())
{
destination.WriteBytes(chunk._buffer, 0, chunk.Length);
}
}
private BlobBuilder SerializeMvidSection(SectionLocation location)
{
var sectionBuilder = new BlobBuilder();
// The guid will be filled in later:
_mvidSectionFixup = sectionBuilder.ReserveBytes(SizeOfGuid);
var mvidWriter = new BlobWriter(_mvidSectionFixup);
mvidWriter.WriteBytes(0, _mvidSectionFixup.Length);
Debug.Assert(mvidWriter.RemainingBytes == 0);
return(sectionBuilder);
}
internal int GetBlobIndex(ImmutableArray <byte> blob)
{
int result = 0;
if (blob.Length == 0 || _blobIndex.TryGetValue(blob, out result))
{
return(result);
}
Debug.Assert(!_streamsAreComplete);
result = _blobWriter.Position + _blobIndexStartOffset;
_blobIndex.Add(blob, result);
_blobWriter.WriteCompressedUInt((uint)blob.Length);
_blobWriter.WriteBytes(blob);
return(result);
}
public static void SerializeWin32Resources(BlobBuilder builder, ResourceSection resourceSections, int resourcesRva)
{
var sectionWriter = new BlobWriter(builder.ReserveBytes(resourceSections.SectionBytes.Length));
sectionWriter.WriteBytes(resourceSections.SectionBytes);
var readStream = new MemoryStream(resourceSections.SectionBytes);
var reader = new BinaryReader(readStream);
foreach (int addressToFixup in resourceSections.Relocations)
{
sectionWriter.Offset = addressToFixup;
reader.BaseStream.Position = addressToFixup;
sectionWriter.WriteUInt32(reader.ReadUInt32() + (uint)resourcesRva);
}
}
private void WriteBlobHeap(BlobBuilder builder)
{
var writer = new BlobWriter(builder.ReserveBytes(_blobHeapSize));
// Perf consideration: With large heap the following loop may cause a lot of cache misses
// since the order of entries in _blobs dictionary depends on the hash of the array values,
// which is not correlated to the heap index. If we observe such issue we should order
// the entries by heap position before running this loop.
foreach (var entry in _blobs)
{
int heapOffset = MetadataTokens.GetHeapOffset(entry.Value);
var blob = entry.Key;
writer.Offset = heapOffset;
writer.WriteCompressedInteger(blob.Length);
writer.WriteBytes(blob);
}
}
public int AllocateGuid(Guid guid)
{
Debug.Assert(!_streamsAreComplete);
// The only GUIDs that are serialized are MVID, EncId, and EncBaseId in the
// Module table. Each of those GUID offsets are relative to the local heap,
// even for deltas, so there's no need for a GetGuidStreamPosition() method
// to offset the positions by the size of the original heap in delta metadata.
// Unlike #Blob, #String and #US streams delta #GUID stream is padded to the
// size of the previous generation #GUID stream before new GUIDs are added.
// Metadata Spec:
// The Guid heap is an array of GUIDs, each 16 bytes wide.
// Its first element is numbered 1, its second 2, and so on.
int result = (_guidWriter.Length >> 4) + 1;
_guidIndex.Add(guid, result);
_guidWriter.WriteBytes(guid.ToByteArray());
return(result);
}
private void WriteDirectory(Directory directory, BlobWriter writer, uint offset, uint level, uint sizeOfDirectoryTree, uint virtualAddressBase, BlobWriter dataWriter)
{
writer.WriteUint(0); // Characteristics
writer.WriteUint(0); // Timestamp
writer.WriteUint(0); // Version
writer.WriteUshort(directory.NumberOfNamedEntries);
writer.WriteUshort(directory.NumberOfIdEntries);
uint n = (uint)directory.Entries.Count;
uint k = offset + 16 + n * 8;
for (int i = 0; i < n; i++)
{
int id;
string name;
uint nameOffset = (uint)dataWriter.Position + sizeOfDirectoryTree;
uint directoryOffset = k;
Directory subDir = directory.Entries[i] as Directory;
if (subDir != null)
{
id = subDir.ID;
name = subDir.Name;
if (level == 0)
{
k += SizeOfDirectory(subDir);
}
else
{
k += 16 + 8 * (uint)subDir.Entries.Count;
}
}
else
{
//EDMAURER write out an IMAGE_RESOURCE_DATA_ENTRY followed
//immediately by the data that it refers to. This results
//in a layout different than that produced by pulling the resources
//from an OBJ. In that case all of the data bits of a resource are
//contiguous in .rsrc$02. After processing these will end up at
//the end of .rsrc following all of the directory
//info and IMAGE_RESOURCE_DATA_ENTRYs
IWin32Resource r = (IWin32Resource)directory.Entries[i];
id = level == 0 ? r.TypeId : level == 1 ? r.Id : (int)r.LanguageId;
name = level == 0 ? r.TypeName : level == 1 ? r.Name : null;
dataWriter.WriteUint(virtualAddressBase + sizeOfDirectoryTree + 16 + (uint)dataWriter.Position);
byte[] data = new List<byte>(r.Data).ToArray();
dataWriter.WriteUint((uint)data.Length);
dataWriter.WriteUint(r.CodePage);
dataWriter.WriteUint(0);
dataWriter.WriteBytes(data);
while ((dataWriter.Length % 4) != 0)
{
dataWriter.WriteByte(0);
}
}
if (id >= 0)
{
writer.WriteInt(id);
}
else
{
if (name == null)
{
name = string.Empty;
}
writer.WriteUint(nameOffset | 0x80000000);
dataWriter.WriteUshort((ushort)name.Length);
dataWriter.WriteUTF16(name);
}
if (subDir != null)
{
writer.WriteUint(directoryOffset | 0x80000000);
}
else
{
writer.WriteUint(nameOffset);
}
}
k = offset + 16 + n * 8;
for (int i = 0; i < n; i++)
{
Directory subDir = directory.Entries[i] as Directory;
if (subDir != null)
{
this.WriteDirectory(subDir, writer, k, level + 1, sizeOfDirectoryTree, virtualAddressBase, dataWriter);
if (level == 0)
{
k += SizeOfDirectory(subDir);
}
else
{
k += 16 + 8 * (uint)subDir.Entries.Count;
}
}
}
}
private void WriteDebugTable(Stream peStream, ContentId nativePdbContentId, MetadataSizes metadataSizes)
{
if (!EmitPdb)
{
return;
}
var writer = new BlobWriter();
// characteristics:
writer.WriteUint(0);
// PDB stamp
writer.WriteBytes(nativePdbContentId.Stamp);
// version
writer.WriteUint(0);
// type:
const int ImageDebugTypeCodeView = 2;
writer.WriteUint(ImageDebugTypeCodeView);
// size of data:
writer.WriteUint((uint)ComputeSizeOfDebugDirectoryData());
uint dataOffset = (uint)ComputeOffsetToDebugTable(metadataSizes) + ImageDebugDirectoryBaseSize;
// PointerToRawData (RVA of the data):
writer.WriteUint(_textSection.RelativeVirtualAddress + dataOffset);
// AddressOfRawData (position of the data in the PE stream):
writer.WriteUint(_textSection.PointerToRawData + dataOffset);
writer.WriteByte((byte)'R');
writer.WriteByte((byte)'S');
writer.WriteByte((byte)'D');
writer.WriteByte((byte)'S');
// PDB id:
writer.WriteBytes(nativePdbContentId.Guid);
// age
writer.WriteUint(PdbWriter.Age);
// UTF-8 encoded zero-terminated path to PDB
writer.WriteUTF8(_pdbPathOpt);
writer.WriteByte(0);
writer.WriteTo(peStream);
writer.Free();
}
public void EmptyWrites()
{
var writer = new BlobWriter(16);
writer.WriteBytes(1, 16);
writer.WriteBytes(new byte[] { });
writer.WriteBytes(2, 0);
writer.WriteUTF8("", allowUnpairedSurrogates: false);
writer.WriteUTF16("");
Assert.Equal(16, writer.Length);
}
internal void WriteTo(BlobWriter stream)
{
stream.WriteBytes(_buffer, 0, _length);
}
public static bool WritePeToStream(
EmitContext context,
CommonMessageProvider messageProvider,
Func <Stream> getPeStream,
Func <Stream> getPortablePdbStreamOpt,
PdbWriter nativePdbWriterOpt,
string pdbPathOpt,
bool allowMissingMethodBodies,
bool isDeterministic,
CancellationToken cancellationToken)
{
// If PDB writer is given, we have to have PDB path.
Debug.Assert(nativePdbWriterOpt == null || pdbPathOpt != null);
var mdWriter = FullMetadataWriter.Create(context, messageProvider, allowMissingMethodBodies, isDeterministic, getPortablePdbStreamOpt != null, cancellationToken);
var properties = context.Module.Properties;
nativePdbWriterOpt?.SetMetadataEmitter(mdWriter);
// Since we are producing a full assembly, we should not have a module version ID
// imposed ahead-of time. Instead we will compute a deterministic module version ID
// based on the contents of the generated stream.
Debug.Assert(properties.PersistentIdentifier == default(Guid));
var ilBuilder = new BlobBuilder(32 * 1024);
var mappedFieldDataBuilder = new BlobBuilder();
var managedResourceBuilder = new BlobBuilder(1024);
Blob mvidFixup;
mdWriter.BuildMetadataAndIL(
nativePdbWriterOpt,
ilBuilder,
mappedFieldDataBuilder,
managedResourceBuilder,
out mvidFixup);
MethodDefinitionHandle entryPointHandle;
MethodDefinitionHandle debugEntryPointHandle;
mdWriter.GetEntryPoints(out entryPointHandle, out debugEntryPointHandle);
if (!debugEntryPointHandle.IsNil)
{
nativePdbWriterOpt?.SetEntryPoint((uint)MetadataTokens.GetToken(debugEntryPointHandle));
}
if (nativePdbWriterOpt != null)
{
var assembly = mdWriter.Module.AsAssembly;
if (assembly != null && assembly.Kind == OutputKind.WindowsRuntimeMetadata)
{
// Dev12: If compiling to winmdobj, we need to add to PDB source spans of
// all types and members for better error reporting by WinMDExp.
nativePdbWriterOpt.WriteDefinitionLocations(mdWriter.Module.GetSymbolToLocationMap());
}
else
{
#if DEBUG
// validate that all definitions are writable
// if same scenario would happen in an winmdobj project
nativePdbWriterOpt.AssertAllDefinitionsHaveTokens(mdWriter.Module.GetSymbolToLocationMap());
#endif
}
}
Stream peStream = getPeStream();
if (peStream == null)
{
return(false);
}
ContentId nativePdbContentId = nativePdbWriterOpt?.GetContentId() ?? default(ContentId);
// the writer shall not be used after this point for writing:
nativePdbWriterOpt = null;
var metadataSerializer = mdWriter.GetTypeSystemMetadataSerializer();
var peBuilder = new PEBuilder(
machine: properties.Machine,
sectionAlignment: properties.SectionAlignment,
fileAlignment: properties.FileAlignment,
imageBase: properties.BaseAddress,
majorLinkerVersion: properties.LinkerMajorVersion,
minorLinkerVersion: properties.LinkerMinorVersion,
majorOperatingSystemVersion: 4,
minorOperatingSystemVersion: 0,
majorImageVersion: 0,
minorImageVersion: 0,
majorSubsystemVersion: properties.MajorSubsystemVersion,
minorSubsystemVersion: properties.MinorSubsystemVersion,
subsystem: properties.Subsystem,
dllCharacteristics: properties.DllCharacteristics,
imageCharacteristics: properties.ImageCharacteristics,
sizeOfStackReserve: properties.SizeOfStackReserve,
sizeOfStackCommit: properties.SizeOfStackCommit,
sizeOfHeapReserve: properties.SizeOfHeapReserve,
sizeOfHeapCommit: properties.SizeOfHeapCommit,
deterministicIdProvider: isDeterministic ? new Func <BlobBuilder, ContentId>(content => ContentId.FromHash(CryptographicHashProvider.ComputeSha1(content))) : null);
ContentId portablePdbContentId;
if (mdWriter.EmitStandaloneDebugMetadata)
{
Debug.Assert(getPortablePdbStreamOpt != null);
var debugMetadataBuilder = new BlobBuilder();
var debugMetadataSerializer = mdWriter.GetStandaloneDebugMetadataSerializer(metadataSerializer.MetadataSizes, debugEntryPointHandle);
debugMetadataSerializer.SerializeMetadata(debugMetadataBuilder, peBuilder.IdProvider, out portablePdbContentId);
// write to Portable PDB stream:
Stream portablePdbStream = getPortablePdbStreamOpt();
if (portablePdbStream != null)
{
debugMetadataBuilder.WriteContentTo(portablePdbStream);
}
}
else
{
portablePdbContentId = default(ContentId);
}
var peDirectoriesBuilder = new PEDirectoriesBuilder();
peBuilder.AddManagedSections(
peDirectoriesBuilder,
metadataSerializer,
ilBuilder,
mappedFieldDataBuilder,
managedResourceBuilder,
CreateNativeResourceSectionSerializer(context.Module),
CalculateStrongNameSignatureSize(context.Module),
entryPointHandle,
pdbPathOpt,
nativePdbContentId,
portablePdbContentId,
properties.CorFlags);
var peBlob = new BlobBuilder();
ContentId peContentId;
peBuilder.Serialize(peBlob, peDirectoriesBuilder, out peContentId);
// Patch MVID
if (!mvidFixup.IsDefault)
{
var mvidWriter = new BlobWriter(mvidFixup);
mvidWriter.WriteBytes(peContentId.Guid);
Debug.Assert(mvidWriter.RemainingBytes == 0);
}
try
{
peBlob.WriteContentTo(peStream);
}
catch (Exception e) when(!(e is OperationCanceledException))
{
throw new PeWritingException(e);
}
return(true);
}
public void WriteBytes1()
{
var writer = new BlobWriter(4);
writer.WriteBytes(new byte[] { 1, 2, 3, 4 });
writer.WriteBytes(new byte[] { });
writer.WriteBytes(new byte[] { }, 0, 0);
writer.WriteBytes(new byte[] { 5, 6, 7, 8 });
writer.WriteBytes(new byte[] { 9 });
writer.WriteBytes(new byte[] { 0x0a }, 0, 0);
writer.WriteBytes(new byte[] { 0x0b }, 0, 1);
writer.WriteBytes(new byte[] { 0x0c }, 1, 0);
writer.WriteBytes(new byte[] { 0x0d, 0x0e }, 1, 1);
AssertEx.Equal(new byte[]
{
0x01, 0x02, 0x03, 0x04,
0x05, 0x06, 0x07, 0x08,
0x09,
0x0b,
0x0e
}, writer.ToArray());
}
private void WriteHeaders(Stream peStream, NtHeader ntHeader, CoffHeader coffHeader, List<SectionHeader> sectionHeaders, out long ntHeaderTimestampPosition)
{
var writer = new BlobWriter(1024);
// MS-DOS stub (128 bytes)
writer.WriteBytes(s_dosHeader);
// PE Signature "PE\0\0"
writer.WriteUint(0x00004550);
// COFF Header (20 bytes)
writer.WriteUshort((ushort)coffHeader.Machine);
writer.WriteUshort((ushort)coffHeader.NumberOfSections);
ntHeaderTimestampPosition = writer.Position + peStream.Position;
writer.WriteUint((uint)coffHeader.TimeDateStamp);
writer.WriteUint((uint)coffHeader.PointerToSymbolTable);
writer.WriteUint((uint)coffHeader.NumberOfSymbols);
writer.WriteUshort((ushort)(_is32bit ? 224 : 240)); // SizeOfOptionalHeader
writer.WriteUshort((ushort)coffHeader.Characteristics);
// PE Headers:
writer.WriteUshort((ushort)(_is32bit ? PEMagic.PE32 : PEMagic.PE32Plus)); // 2
writer.WriteByte(ntHeader.MajorLinkerVersion); // 3
writer.WriteByte(ntHeader.MinorLinkerVersion); // 4
writer.WriteUint((uint)ntHeader.SizeOfCode); // 8
writer.WriteUint((uint)ntHeader.SizeOfInitializedData); // 12
writer.WriteUint((uint)ntHeader.SizeOfUninitializedData); // 16
writer.WriteUint((uint)ntHeader.AddressOfEntryPoint); // 20
writer.WriteUint((uint)ntHeader.BaseOfCode); // 24
if (_is32bit)
{
writer.WriteUint((uint)ntHeader.BaseOfData); // 28
writer.WriteUint((uint)ntHeader.ImageBase); // 32
}
else
{
writer.WriteUlong(ntHeader.ImageBase); // 32
}
// NT additional fields:
writer.WriteUint((uint)ntHeader.SectionAlignment); // 36
writer.WriteUint((uint)ntHeader.FileAlignment); // 40
writer.WriteUshort(ntHeader.MajorOperatingSystemVersion); // 42
writer.WriteUshort(ntHeader.MinorOperatingSystemVersion); // 44
writer.WriteUshort(ntHeader.MajorImageVersion); // 46
writer.WriteUshort(ntHeader.MinorImageVersion); // 48
writer.WriteUshort(ntHeader.MajorSubsystemVersion); // MajorSubsystemVersion 50
writer.WriteUshort(ntHeader.MinorSubsystemVersion); // MinorSubsystemVersion 52
// Win32VersionValue (reserved, should be 0)
writer.WriteUint(0); // 56
writer.WriteUint((uint)ntHeader.SizeOfImage); // 60
writer.WriteUint((uint)ntHeader.SizeOfHeaders); // 64
writer.WriteUint(ntHeader.Checksum); // 68
writer.WriteUshort((ushort)ntHeader.Subsystem); // 70
writer.WriteUshort((ushort)ntHeader.DllCharacteristics);
if (_is32bit)
{
writer.WriteUint((uint)ntHeader.SizeOfStackReserve); // 76
writer.WriteUint((uint)ntHeader.SizeOfStackCommit); // 80
writer.WriteUint((uint)ntHeader.SizeOfHeapReserve); // 84
writer.WriteUint((uint)ntHeader.SizeOfHeapCommit); // 88
}
else
{
writer.WriteUlong(ntHeader.SizeOfStackReserve); // 80
writer.WriteUlong(ntHeader.SizeOfStackCommit); // 88
writer.WriteUlong(ntHeader.SizeOfHeapReserve); // 96
writer.WriteUlong(ntHeader.SizeOfHeapCommit); // 104
}
// LoaderFlags
writer.WriteUint(0); // 92|108
// The number of data-directory entries in the remainder of the header.
writer.WriteUint(16); // 96|112
// directory entries:
writer.WriteUint((uint)ntHeader.ExportTable.RelativeVirtualAddress); // 100|116
writer.WriteUint((uint)ntHeader.ExportTable.Size); // 104|120
writer.WriteUint((uint)ntHeader.ImportTable.RelativeVirtualAddress); // 108|124
writer.WriteUint((uint)ntHeader.ImportTable.Size); // 112|128
writer.WriteUint((uint)ntHeader.ResourceTable.RelativeVirtualAddress); // 116|132
writer.WriteUint((uint)ntHeader.ResourceTable.Size); // 120|136
writer.WriteUint((uint)ntHeader.ExceptionTable.RelativeVirtualAddress); // 124|140
writer.WriteUint((uint)ntHeader.ExceptionTable.Size); // 128|144
writer.WriteUint((uint)ntHeader.CertificateTable.RelativeVirtualAddress); // 132|148
writer.WriteUint((uint)ntHeader.CertificateTable.Size); // 136|152
writer.WriteUint((uint)ntHeader.BaseRelocationTable.RelativeVirtualAddress); // 140|156
writer.WriteUint((uint)ntHeader.BaseRelocationTable.Size); // 144|160
writer.WriteUint((uint)ntHeader.DebugTable.RelativeVirtualAddress); // 148|164
writer.WriteUint((uint)ntHeader.DebugTable.Size); // 152|168
writer.WriteUint((uint)ntHeader.CopyrightTable.RelativeVirtualAddress); // 156|172
writer.WriteUint((uint)ntHeader.CopyrightTable.Size); // 160|176
writer.WriteUint((uint)ntHeader.GlobalPointerTable.RelativeVirtualAddress); // 164|180
writer.WriteUint((uint)ntHeader.GlobalPointerTable.Size); // 168|184
writer.WriteUint((uint)ntHeader.ThreadLocalStorageTable.RelativeVirtualAddress); // 172|188
writer.WriteUint((uint)ntHeader.ThreadLocalStorageTable.Size); // 176|192
writer.WriteUint((uint)ntHeader.LoadConfigTable.RelativeVirtualAddress); // 180|196
writer.WriteUint((uint)ntHeader.LoadConfigTable.Size); // 184|200
writer.WriteUint((uint)ntHeader.BoundImportTable.RelativeVirtualAddress); // 188|204
writer.WriteUint((uint)ntHeader.BoundImportTable.Size); // 192|208
writer.WriteUint((uint)ntHeader.ImportAddressTable.RelativeVirtualAddress); // 196|212
writer.WriteUint((uint)ntHeader.ImportAddressTable.Size); // 200|216
writer.WriteUint((uint)ntHeader.DelayImportTable.RelativeVirtualAddress); // 204|220
writer.WriteUint((uint)ntHeader.DelayImportTable.Size); // 208|224
writer.WriteUint((uint)ntHeader.CliHeaderTable.RelativeVirtualAddress); // 212|228
writer.WriteUint((uint)ntHeader.CliHeaderTable.Size); // 216|232
writer.WriteUlong(0); // 224|240
// Section Headers
foreach (var sectionHeader in sectionHeaders)
{
WriteSectionHeader(sectionHeader, writer);
}
writer.WriteTo(peStream);
}
private static void SerializeDynamicLocalInfo(IMethodBody methodBody, ArrayBuilder<BlobWriter> customDebugInfo)
{
if (!methodBody.HasDynamicLocalVariables)
{
return; //There are no dynamic locals
}
var dynamicLocals = ArrayBuilder<ILocalDefinition>.GetInstance();
foreach (ILocalDefinition local in methodBody.LocalVariables)
{
if (local.IsDynamic)
{
dynamicLocals.Add(local);
}
}
int dynamicVariableCount = dynamicLocals.Count;
foreach (var currentScope in methodBody.LocalScopes)
{
foreach (var localConstant in currentScope.Constants)
{
if (localConstant.IsDynamic)
{
dynamicLocals.Add(localConstant);
}
}
}
Debug.Assert(dynamicLocals.Any()); // There must be at least one dynamic local if this point is reached
const int blobSize = 200;//DynamicAttribute - 64, DynamicAttributeLength - 4, SlotIndex -4, IdentifierName - 128
var cmw = new BlobWriter();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindDynamicLocals);
cmw.Align(4);
// size = Version,Kind + size + cBuckets + (dynamicCount * sizeOf(Local Blob))
cmw.WriteUint(4 + 4 + 4 + (uint)dynamicLocals.Count * blobSize);//Size of the Dynamic Block
cmw.WriteUint((uint)dynamicLocals.Count);
int localIndex = 0;
foreach (ILocalDefinition local in dynamicLocals)
{
if (local.Name.Length > 63)//Ignore and push empty information
{
cmw.WriteBytes(0, blobSize);
continue;
}
var dynamicTransformFlags = local.DynamicTransformFlags;
if (!dynamicTransformFlags.IsDefault && dynamicTransformFlags.Length <= 64)
{
byte[] flag = new byte[64];
for (int k = 0; k < dynamicTransformFlags.Length; k++)
{
if ((bool)dynamicTransformFlags[k].Value)
{
flag[k] = 1;
}
}
cmw.WriteBytes(flag); //Written Flag
cmw.WriteUint((uint)dynamicTransformFlags.Length); //Written Length
}
else
{
cmw.WriteBytes(0, 68); //Empty flag array and size.
}
if (localIndex < dynamicVariableCount)
{
// Dynamic variable
cmw.WriteUint((uint)local.SlotIndex);
}
else
{
// Dynamic constant
cmw.WriteUint(0);
}
char[] localName = new char[64];
local.Name.CopyTo(0, localName, 0, local.Name.Length);
cmw.WriteUTF16(localName);
localIndex++;
}
dynamicLocals.Free();
customDebugInfo.Add(cmw);
}
/// <exception cref="ArgumentNullException"><paramref name="destination"/> is default(<see cref="BlobWriter"/>).</exception>
/// <exception cref="InvalidOperationException">Content is not available, the builder has been linked with another one.</exception>
public void WriteContentTo(ref BlobWriter destination)
{
if (destination.IsDefault)
{
throw new ArgumentNullException(nameof(destination));
}
foreach (var chunk in GetChunks())
{
destination.WriteBytes(chunk._buffer, 0, chunk.Length);
}
}
// internal for testing
internal static byte[] SerializeCustomDebugMetadata(ArrayBuilder<PooledBlobBuilder> recordWriters)
{
if (recordWriters.Count == 0)
{
return null;
}
int records = 0;
foreach(var rec in recordWriters)
{
records += rec.Count;
}
var result = new byte[
sizeof(byte) + // version
sizeof(byte) + // record count
sizeof(ushort) + // padding
records // records
];
var cmw = new BlobWriter(result);
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte((byte)recordWriters.Count); // count
cmw.WriteInt16(0);
foreach (var recordWriter in recordWriters)
{
cmw.WriteBytes(recordWriter);
}
return result;
}
public void WriteBytes2()
{
var writer = new BlobWriter(4);
writer.WriteBytes(0xff, 0);
writer.WriteBytes(1, 4);
writer.WriteBytes(0xff, 0);
writer.WriteBytes(2, 10);
writer.WriteBytes(0xff, 0);
writer.WriteBytes(3, 1);
AssertEx.Equal(new byte[]
{
0x01, 0x01, 0x01, 0x01,
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
0x03
}, writer.ToArray());
}
private static void SerializeDynamicLocalInfo(IMethodBody methodBody, ArrayBuilder <BlobWriter> customDebugInfo)
{
if (!methodBody.HasDynamicLocalVariables)
{
return; //There are no dynamic locals
}
var dynamicLocals = ArrayBuilder <ILocalDefinition> .GetInstance();
foreach (ILocalDefinition local in methodBody.LocalVariables)
{
if (local.IsDynamic)
{
dynamicLocals.Add(local);
}
}
int dynamicVariableCount = dynamicLocals.Count;
foreach (var currentScope in methodBody.LocalScopes)
{
foreach (var localConstant in currentScope.Constants)
{
if (localConstant.IsDynamic)
{
dynamicLocals.Add(localConstant);
}
}
}
Debug.Assert(dynamicLocals.Any()); // There must be at least one dynamic local if this point is reached
const int blobSize = 200; //DynamicAttribute - 64, DynamicAttributeLength - 4, SlotIndex -4, IdentifierName - 128
var cmw = new BlobWriter();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindDynamicLocals);
cmw.Align(4);
// size = Version,Kind + size + cBuckets + (dynamicCount * sizeOf(Local Blob))
cmw.WriteUint(4 + 4 + 4 + (uint)dynamicLocals.Count * blobSize);//Size of the Dynamic Block
cmw.WriteUint((uint)dynamicLocals.Count);
int localIndex = 0;
foreach (ILocalDefinition local in dynamicLocals)
{
if (local.Name.Length > 63)//Ignore and push empty information
{
cmw.WriteBytes(0, blobSize);
continue;
}
var dynamicTransformFlags = local.DynamicTransformFlags;
if (!dynamicTransformFlags.IsDefault && dynamicTransformFlags.Length <= 64)
{
byte[] flag = new byte[64];
for (int k = 0; k < dynamicTransformFlags.Length; k++)
{
if ((bool)dynamicTransformFlags[k].Value)
{
flag[k] = 1;
}
}
cmw.WriteBytes(flag); //Written Flag
cmw.WriteUint((uint)dynamicTransformFlags.Length); //Written Length
}
else
{
cmw.WriteBytes(0, 68); //Empty flag array and size.
}
if (localIndex < dynamicVariableCount)
{
// Dynamic variable
cmw.WriteUint((uint)local.SlotIndex);
}
else
{
// Dynamic constant
cmw.WriteUint(0);
}
char[] localName = new char[64];
local.Name.CopyTo(0, localName, 0, local.Name.Length);
cmw.WriteUTF16(localName);
localIndex++;
}
dynamicLocals.Free();
customDebugInfo.Add(cmw);
}
