private static void SerializeStateMachineLocalScopes(IMethodBody methodBody, ArrayBuilder <BlobWriter> customDebugInfo)
{
var scopes = methodBody.StateMachineHoistedLocalScopes;
if (scopes.IsDefaultOrEmpty)
{
return;
}
uint numberOfScopes = (uint)scopes.Length;
var cmw = new BlobWriter();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindStateMachineHoistedLocalScopes);
cmw.Align(4);
cmw.WriteUint(12 + numberOfScopes * 8);
cmw.WriteUint(numberOfScopes);
foreach (var scope in scopes)
{
if (scope.IsDefault)
{
cmw.WriteUint(0);
cmw.WriteUint(0);
}
else
{
// Dev12 C# emits end-inclusive range
cmw.WriteUint((uint)scope.StartOffset);
cmw.WriteUint((uint)scope.EndOffset - 1);
}
}
customDebugInfo.Add(cmw);
}
// 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);
}
private void SerializeReferenceToPreviousMethodWithUsingInfo(ArrayBuilder <BlobWriter> customDebugInfo)
{
BlobWriter cmw = new BlobWriter(12);
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindForwardInfo);
cmw.Align(4);
cmw.WriteUint(12);
cmw.WriteUint((uint)_previousMethodTokenWithUsingInfo);
customDebugInfo.Add(cmw);
}
private void SerializeNamespaceScopeMetadata(EmitContext context, IMethodBody methodBody, ArrayBuilder <BlobWriter> customDebugInfo)
{
if (context.Module.GenerateVisualBasicStylePdb)
{
return;
}
if (ShouldForwardToPreviousMethodWithUsingInfo(context, methodBody))
{
Debug.Assert(!ReferenceEquals(_previousMethodBodyWithUsingInfo, methodBody));
SerializeReferenceToPreviousMethodWithUsingInfo(customDebugInfo);
return;
}
List <ushort> usingCounts = new List <ushort>();
var cmw = new BlobWriter();
for (IImportScope scope = methodBody.ImportScope; scope != null; scope = scope.Parent)
{
usingCounts.Add((ushort)scope.GetUsedNamespaces().Length);
}
// ACASEY: This originally wrote (uint)12, (ushort)1, (ushort)0 in the
// case where usingCounts was empty, but I'm not sure why.
if (usingCounts.Count > 0)
{
uint streamLength;
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindUsingInfo);
cmw.Align(4);
cmw.WriteUint(streamLength = BitArithmeticUtilities.Align((uint)usingCounts.Count * 2 + 10, 4));
cmw.WriteUshort((ushort)usingCounts.Count);
foreach (ushort uc in usingCounts)
{
cmw.WriteUshort(uc);
}
cmw.Align(4);
Debug.Assert(streamLength == cmw.Length);
customDebugInfo.Add(cmw);
}
if (_methodBodyWithModuleInfo != null && !ReferenceEquals(_methodBodyWithModuleInfo, methodBody))
{
SerializeReferenceToMethodWithModuleInfo(customDebugInfo);
}
}
private static PooledBlobBuilder SerializeRecord <T>(
CustomDebugInfoKind kind,
T debugInfo,
Action <T, BlobBuilder> recordSerializer)
{
PooledBlobBuilder cmw = PooledBlobBuilder.GetInstance();
cmw.WriteByte(CustomDebugInfoConstants.Version);
cmw.WriteByte((byte)kind);
cmw.WriteByte(0);
// alignment size and length (will be patched)
BlobWriter alignmentSizeAndLengthWriter = new BlobWriter(cmw.ReserveBytes(sizeof(byte) + sizeof(uint)));
recordSerializer(debugInfo, cmw);
int length = cmw.Count;
int alignedLength = 4 * ((length + 3) / 4);
byte alignmentSize = (byte)(alignedLength - length);
cmw.WriteBytes(0, alignmentSize);
// fill in alignment size and length:
alignmentSizeAndLengthWriter.WriteByte(alignmentSize);
alignmentSizeAndLengthWriter.WriteUInt32((uint)alignedLength);
return(cmw);
}
private static PooledBlobBuilder SerializeRecord(
byte kind,
EditAndContinueMethodDebugInformation debugInfo,
Action <EditAndContinueMethodDebugInformation, BlobBuilder> recordSerializer)
{
var cmw = PooledBlobBuilder.GetInstance();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(kind);
cmw.WriteByte(0);
// alignment size and length (will be patched)
var alignmentSizeAndLengthWriter = new BlobWriter(cmw.ReserveBytes(sizeof(byte) + sizeof(uint)));
recordSerializer(debugInfo, cmw);
int length = cmw.Count;
int alignedLength = 4 * ((length + 3) / 4);
byte alignmentSize = (byte)(alignedLength - length);
cmw.WriteBytes(0, alignmentSize);
// fill in alignment size and length:
alignmentSizeAndLengthWriter.WriteByte(alignmentSize);
alignmentSizeAndLengthWriter.WriteUInt32((uint)alignedLength);
return(cmw);
}
internal static void WriteCompressedSignedInteger(ref BlobWriter writer, int value)
{
unchecked
{
const int b6 = (1 << 6) - 1;
const int b13 = (1 << 13) - 1;
const int b28 = (1 << 28) - 1;
// 0xffffffff for negative value
// 0x00000000 for non-negative
int signMask = value >> 31;
if ((value & ~b6) == (signMask & ~b6))
{
int n = ((value & b6) << 1) | (signMask & 1);
writer.WriteByte((byte)n);
}
else if ((value & ~b13) == (signMask & ~b13))
{
int n = ((value & b13) << 1) | (signMask & 1);
writer.WriteUInt16BE((ushort)(0x8000 | n));
}
else if ((value & ~b28) == (signMask & ~b28))
{
int n = ((value & b28) << 1) | (signMask & 1);
writer.WriteUInt32BE(0xc0000000 | (uint)n);
}
else
{
ThrowValueArgumentOutOfRange();
}
}
}
private static BlobWriter SerializeRecord(byte kind, Action <BlobWriter> data)
{
var cmw = new BlobWriter();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(kind);
cmw.WriteByte(0);
// alignment size (will be patched)
int alignmentSizeAndLengthPosition = cmw.Position;
cmw.WriteByte(0);
// length (will be patched)
cmw.WriteUint(0);
data(cmw);
int length = cmw.Position;
int alignedLength = 4 * ((length + 3) / 4);
byte alignmentSize = (byte)(alignedLength - length);
for (int i = 0; i < alignmentSize; i++)
{
cmw.WriteByte(0);
}
cmw.Position = alignmentSizeAndLengthPosition;
cmw.WriteByte(alignmentSize);
cmw.WriteUint((uint)alignedLength);
cmw.Position = length;
return(cmw);
}
// internal for testing
internal static byte[] SerializeCustomDebugMetadata(ArrayBuilder <BlobWriter> recordWriters)
{
if (recordWriters.Count == 0)
{
return(null);
}
BlobWriter cmw = BlobWriter.GetInstance();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte((byte)recordWriters.Count); // count
cmw.Align(4);
foreach (BlobWriter recordWriter in recordWriters)
{
recordWriter.WriteTo(cmw);
}
var result = cmw.ToArray();
cmw.Free();
return(result);
}
private static void SerializeReferenceToIteratorClass(string iteratorClassName, ArrayBuilder <BlobWriter> customDebugInfo)
{
if (iteratorClassName == null)
{
return;
}
var cmw = new BlobWriter();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindForwardIterator);
cmw.Align(4);
uint length = 10 + (uint)iteratorClassName.Length * 2;
if ((length & 3) != 0)
{
length += 4 - (length & 3);
}
cmw.WriteUint(length);
cmw.WriteUTF16(iteratorClassName);
cmw.WriteShort(0);
cmw.Align(4);
Debug.Assert(cmw.Position == length);
customDebugInfo.Add(cmw);
}
public MetadataHeapsBuilder(
int userStringIndexStartOffset = 0,
int stringIndexStartOffset = 0,
int blobIndexStartOffset = 0,
int guidIndexStartOffset = 0)
{
// Add zero-th entry to heaps.
// Full metadata represent empty blob/string at heap index 0.
// Delta metadata requires these to avoid nil generation-relative handles,
// which are technically viable but confusing.
_blobWriter.WriteByte(0);
_stringWriter.WriteByte(0);
_userStringWriter.WriteByte(0);
// When EnC delta is applied #US, #String and #Blob heaps are appended.
// Thus indices of strings and blobs added to this generation are offset
// by the sum of respective heap sizes of all previous generations.
_userStringIndexStartOffset = userStringIndexStartOffset;
_stringIndexStartOffset = stringIndexStartOffset;
_blobIndexStartOffset = blobIndexStartOffset;
// Unlike other heaps, #Guid heap in EnC delta is zero-padded.
_guidWriter.Pad(guidIndexStartOffset);
}
internal static void WriteCompressedInteger(ref BlobWriter writer, uint value)
{
unchecked
{
if (value <= SingleByteCompressedIntegerMaxValue)
{
writer.WriteByte((byte)value);
}
else if (value <= TwoByteCompressedIntegerMaxValue)
{
writer.WriteUInt16BE((ushort)(0x8000 | value));
}
else if (value <= MaxCompressedIntegerValue)
{
writer.WriteUInt32BE(0xc0000000 | value);
}
else
{
ThrowValueArgumentOutOfRange();
}
}
}
internal static void WriteCompressedInteger(ref BlobWriter writer, uint value)
{
unchecked
{
if (value <= SingleByteCompressedIntegerMaxValue)
{
writer.WriteByte((byte)value);
}
else if (value <= TwoByteCompressedIntegerMaxValue)
{
writer.WriteUInt16BE((ushort)(0x8000 | value));
}
else if (value <= MaxCompressedIntegerValue)
{
writer.WriteUInt32BE(0xc0000000 | value);
}
else
{
ThrowValueArgumentOutOfRange();
}
}
}
public void WritePrimitive()
{
var writer = new BlobWriter(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 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 void WriteRuntimeStartupStub(Stream peStream, int importAddressTableRva)
{
var writer = new BlobWriter(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.WriteUshort(0);
writer.WriteByte(0xff);
writer.WriteByte(0x25); //4
writer.WriteUint((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.WriteUint(0);
writer.WriteUshort(0);
writer.WriteByte(0xff);
writer.WriteByte(0x25); //8
writer.WriteUlong((ulong)importAddressTableRva + _properties.BaseAddress); //16
}
writer.WriteTo(peStream);
}
private static void WriteNameTable(Stream peStream)
{
var writer = new BlobWriter(SizeOfNameTable);
foreach (char ch in CorEntryPointDll)
{
writer.WriteByte((byte)ch);
}
writer.WriteByte(0);
writer.WriteUshort(0);
Debug.Assert(writer.Length == SizeOfNameTable);
writer.WriteTo(peStream);
}
private void WriteImportTable(Stream peStream, int importTableRva, int importAddressTableRva)
{
var writer = new BlobWriter(SizeOfImportTable);
int ilRVA = importTableRva + 40;
int hintRva = ilRVA + (_is32bit ? 12 : 16);
int nameRva = hintRva + 12 + 2;
// Import table
writer.WriteUint((uint)ilRVA); // 4
writer.WriteUint(0); // 8
writer.WriteUint(0); // 12
writer.WriteUint((uint)nameRva); // 16
writer.WriteUint((uint)importAddressTableRva); // 20
writer.Position += 20; // 40
// Import Lookup table
if (_is32bit)
{
writer.WriteUint((uint)hintRva); // 44
writer.WriteUint(0); // 48
writer.WriteUint(0); // 52
}
else
{
writer.WriteUlong((uint)hintRva); // 48
writer.WriteUlong(0); // 56
}
// Hint table
writer.WriteUshort(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 SerializeReferenceToPreviousMethodWithUsingInfo(ArrayBuilder<BlobWriter> customDebugInfo)
{
BlobWriter cmw = new BlobWriter(12);
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindForwardInfo);
cmw.Align(4);
cmw.WriteUint(12);
cmw.WriteUint(_previousMethodTokenWithUsingInfo);
customDebugInfo.Add(cmw);
}
private void SerializeNamespaceScopeMetadata(EmitContext context, IMethodBody methodBody, ArrayBuilder<BlobWriter> customDebugInfo)
{
if (context.Module.GenerateVisualBasicStylePdb)
{
return;
}
if (ShouldForwardToPreviousMethodWithUsingInfo(context, methodBody))
{
Debug.Assert(!ReferenceEquals(_previousMethodBodyWithUsingInfo, methodBody));
SerializeReferenceToPreviousMethodWithUsingInfo(customDebugInfo);
return;
}
List<ushort> usingCounts = new List<ushort>();
var cmw = new BlobWriter();
for (IImportScope scope = methodBody.ImportScope; scope != null; scope = scope.Parent)
{
usingCounts.Add((ushort)scope.GetUsedNamespaces().Length);
}
// ACASEY: This originally wrote (uint)12, (ushort)1, (ushort)0 in the
// case where usingCounts was empty, but I'm not sure why.
if (usingCounts.Count > 0)
{
uint streamLength;
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindUsingInfo);
cmw.Align(4);
cmw.WriteUint(streamLength = BitArithmeticUtilities.Align((uint)usingCounts.Count * 2 + 10, 4));
cmw.WriteUshort((ushort)usingCounts.Count);
foreach (ushort uc in usingCounts)
{
cmw.WriteUshort(uc);
}
cmw.Align(4);
Debug.Assert(streamLength == cmw.Length);
customDebugInfo.Add(cmw);
}
if (_methodBodyWithModuleInfo != null && !ReferenceEquals(_methodBodyWithModuleInfo, methodBody))
{
SerializeReferenceToMethodWithModuleInfo(customDebugInfo);
}
}
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();
}
internal static void WriteCompressedSignedInteger(ref BlobWriter writer, int value)
{
unchecked
{
const int b6 = (1 << 6) - 1;
const int b13 = (1 << 13) - 1;
const int b28 = (1 << 28) - 1;
// 0xffffffff for negative value
// 0x00000000 for non-negative
int signMask = value >> 31;
if ((value & ~b6) == (signMask & ~b6))
{
int n = ((value & b6) << 1) | (signMask & 1);
writer.WriteByte((byte)n);
}
else if ((value & ~b13) == (signMask & ~b13))
{
int n = ((value & b13) << 1) | (signMask & 1);
writer.WriteUInt16BE((ushort)(0x8000 | n));
}
else if ((value & ~b28) == (signMask & ~b28))
{
int n = ((value & b28) << 1) | (signMask & 1);
writer.WriteUInt32BE(0xc0000000 | (uint)n);
}
else
{
ThrowValueArgumentOutOfRange();
}
}
}
internal static void WriteConstant(ref BlobWriter 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 SerializeReferenceToMethodWithModuleInfo(ArrayBuilder<BlobWriter> customDebugInfo)
{
BlobWriter cmw = new BlobWriter(12);
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindForwardToModuleInfo);
cmw.Align(4);
cmw.WriteUint(12);
cmw.WriteUint((uint)_methodTokenWithModuleInfo);
customDebugInfo.Add(cmw);
}
// 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;
}
private void WriteImportTable(Stream peStream)
{
var writer = new BlobWriter(70);
bool use32bitAddresses = !_module.Requires64bits;
uint importTableRVA = _ntHeader.ImportTable.RelativeVirtualAddress;
uint ilRVA = importTableRVA + 40;
uint hintRva = ilRVA + (use32bitAddresses ? 12u : 16u);
uint nameRva = hintRva + 12 + 2;
// Import table
writer.WriteUint(ilRVA); // 4
writer.WriteUint(0); // 8
writer.WriteUint(0); // 12
writer.WriteUint(nameRva); // 16
writer.WriteUint(_ntHeader.ImportAddressTable.RelativeVirtualAddress); // 20
writer.Position += 20; // 40
// Import Lookup table
if (use32bitAddresses)
{
writer.WriteUint(hintRva); // 44
writer.WriteUint(0); // 48
writer.WriteUint(0); // 52
}
else
{
writer.WriteUlong(hintRva); // 48
writer.WriteUlong(0); // 56
}
// Hint table
writer.WriteUshort(0); // Hint 54|58
string entryPointName =
(_module.Kind == ModuleKind.DynamicallyLinkedLibrary || _module.Kind == ModuleKind.WindowsRuntimeMetadata)
? "_CorDllMain" : "_CorExeMain";
foreach (char ch in entryPointName)
{
writer.WriteByte((byte)ch); // 65|69
}
writer.WriteByte(0); // 66|70
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);
}
internal static void WriteConstant(ref BlobWriter 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 WriteImportTable(Stream peStream)
{
var writer = new BlobWriter(70);
int importTableRVA = _ntHeader.ImportTable.RelativeVirtualAddress;
int ilRVA = importTableRVA + 40;
int hintRva = ilRVA + (_is32bit ? 12 : 16);
int nameRva = hintRva + 12 + 2;
// Import table
writer.WriteUint((uint)ilRVA); // 4
writer.WriteUint(0); // 8
writer.WriteUint(0); // 12
writer.WriteUint((uint)nameRva); // 16
writer.WriteUint((uint)_ntHeader.ImportAddressTable.RelativeVirtualAddress); // 20
writer.Position += 20; // 40
// Import Lookup table
if (_is32bit)
{
writer.WriteUint((uint)hintRva); // 44
writer.WriteUint(0); // 48
writer.WriteUint(0); // 52
}
else
{
writer.WriteUlong((uint)hintRva); // 48
writer.WriteUlong(0); // 56
}
// Hint table
writer.WriteUshort(0); // Hint 54|58
string entryPointName = (_properties.ImageCharacteristics & Characteristics.Dll) != 0 ? "_CorDllMain" : "_CorExeMain";
foreach (char ch in entryPointName)
{
writer.WriteByte((byte)ch); // 65|69
}
writer.WriteByte(0); // 66|70
writer.WriteTo(peStream);
}
private static void WriteSectionHeader(SectionHeader sectionHeader, BlobWriter writer)
{
if (sectionHeader.VirtualSize == 0)
{
return;
}
for (int j = 0, m = sectionHeader.Name.Length; j < 8; j++)
{
if (j < m)
{
writer.WriteByte((byte)sectionHeader.Name[j]);
}
else
{
writer.WriteByte(0);
}
}
writer.WriteUint(sectionHeader.VirtualSize);
writer.WriteUint(sectionHeader.RelativeVirtualAddress);
writer.WriteUint(sectionHeader.SizeOfRawData);
writer.WriteUint(sectionHeader.PointerToRawData);
writer.WriteUint(sectionHeader.PointerToRelocations);
writer.WriteUint(sectionHeader.PointerToLinenumbers);
writer.WriteUshort(sectionHeader.NumberOfRelocations);
writer.WriteUshort(sectionHeader.NumberOfLinenumbers);
writer.WriteUint(sectionHeader.Characteristics);
}
private static BlobWriter SerializeRecord(byte kind, Action<BlobWriter> data)
{
var cmw = new BlobWriter();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(kind);
cmw.WriteByte(0);
// alignment size (will be patched)
uint alignmentSizeAndLengthPosition = cmw.Position;
cmw.WriteByte(0);
// length (will be patched)
cmw.WriteUint(0);
data(cmw);
uint length = cmw.Position;
uint alignedLength = 4 * ((length + 3) / 4);
byte alignmentSize = (byte)(alignedLength - length);
for (int i = 0; i < alignmentSize; i++)
{
cmw.WriteByte(0);
}
cmw.Position = alignmentSizeAndLengthPosition;
cmw.WriteByte(alignmentSize);
cmw.WriteUint(alignedLength);
cmw.Position = length;
return cmw;
}
private static void WriteNameTable(Stream peStream)
{
var writer = new BlobWriter(14);
foreach (char ch in "mscoree.dll")
{
writer.WriteByte((byte)ch); // 11
}
writer.WriteByte(0); // 12
writer.WriteUshort(0); // 14
writer.WriteTo(peStream);
}
private static void SerializeReferenceToIteratorClass(string iteratorClassName, ArrayBuilder<BlobWriter> customDebugInfo)
{
if (iteratorClassName == null) return;
var cmw = new BlobWriter();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindForwardIterator);
cmw.Align(4);
uint length = 10 + (uint)iteratorClassName.Length * 2;
if ((length & 3) != 0) length += 4 - (length & 3);
cmw.WriteUint(length);
cmw.WriteUTF16(iteratorClassName);
cmw.WriteShort(0);
cmw.Align(4);
Debug.Assert(cmw.Position == length);
customDebugInfo.Add(cmw);
}
private void WriteRuntimeStartupStub(Stream peStream)
{
var writer = new BlobWriter(16);
// entry point code, consisting of a jump indirect to _CorXXXMain
if (!_module.Requires64bits)
{
//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.WriteUshort(0);
writer.WriteByte(0xff);
writer.WriteByte(0x25); //4
writer.WriteUint(_ntHeader.ImportAddressTable.RelativeVirtualAddress + (uint)_module.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.WriteUint(0);
writer.WriteUshort(0);
writer.WriteByte(0xff);
writer.WriteByte(0x25); //8
writer.WriteUlong(_ntHeader.ImportAddressTable.RelativeVirtualAddress + _module.BaseAddress); //16
}
writer.WriteTo(peStream);
}
private static void SerializeStateMachineLocalScopes(IMethodBody methodBody, ArrayBuilder<BlobWriter> customDebugInfo)
{
var scopes = methodBody.StateMachineHoistedLocalScopes;
if (scopes.IsDefaultOrEmpty)
{
return;
}
uint numberOfScopes = (uint)scopes.Length;
var cmw = new BlobWriter();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindStateMachineHoistedLocalScopes);
cmw.Align(4);
cmw.WriteUint(12 + numberOfScopes * 8);
cmw.WriteUint(numberOfScopes);
foreach (var scope in scopes)
{
if (scope.IsDefault)
{
cmw.WriteUint(0);
cmw.WriteUint(0);
}
else
{
// Dev12 C# emits end-inclusive range
cmw.WriteUint((uint)scope.StartOffset);
cmw.WriteUint((uint)scope.EndOffset - 1);
}
}
customDebugInfo.Add(cmw);
}
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);
}
public void WriteAlignPad()
{
var writer = new BlobWriter(4);
writer.WriteByte(0x01);
writer.PadTo(2);
writer.WriteByte(0x02);
writer.Align(4);
writer.Align(4);
writer.WriteByte(0x03);
writer.Align(4);
writer.WriteByte(0x04);
writer.WriteByte(0x05);
writer.Align(8);
writer.WriteByte(0x06);
writer.Align(2);
writer.Align(1);
AssertEx.Equal(new byte[]
{
0x01, 0x00, 0x02, 0x00,
0x03, 0x00, 0x00, 0x00,
0x04, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x06, 0x00
}, writer.ToArray());
}
