public void CountClear()
{
var builder = new BlobBuilder();
Assert.Equal(0, builder.Count);
builder.WriteByte(1);
Assert.Equal(1, builder.Count);
builder.WriteInt32(4);
Assert.Equal(5, builder.Count);
builder.Clear();
Assert.Equal(0, builder.Count);
builder.WriteInt64(1);
Assert.Equal(8, builder.Count);
AssertEx.Equal(new byte[] { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, builder.ToArray());
}
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());
}
public void WriteContentToBlobBuilder()
{
var builder1 = new BlobBuilder(16);
for (int i = 0; i < 20; i++)
{
builder1.WriteByte((byte)i);
}
var builder2 = new BlobBuilder(256);
builder1.WriteContentTo(builder2);
AssertEx.Equal(new byte[]
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13
}, builder2.ToArray());
builder1.WriteByte(0xff);
builder1.WriteContentTo(builder2);
AssertEx.Equal(new byte[]
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13,
0xff,
}, builder2.ToArray());
}
public void WriteContentToStream_Errors()
{
var builder = new BlobBuilder(16);
builder.WriteByte(1);
Assert.Throws<ArgumentNullException>(() => builder.WriteContentTo((Stream)null));
Assert.Throws<NotSupportedException>(() => builder.WriteContentTo(new MemoryStream(new byte[] { 1 }, writable: false)));
}
public void ToImmutableArray_Errors()
{
var builder = new BlobBuilder(16);
builder.WriteByte(1);
Assert.Throws<ArgumentOutOfRangeException>(() => builder.ToImmutableArray(-1, 0));
Assert.Throws<ArgumentOutOfRangeException>(() => builder.ToImmutableArray(0, -1));
Assert.Throws<ArgumentOutOfRangeException>(() => builder.ToImmutableArray(0, 2));
Assert.Throws<ArgumentOutOfRangeException>(() => builder.ToImmutableArray(1, 1));
}
public void ToArray2()
{
var builder = new BlobBuilder(16);
AssertEx.Equal(new byte[] { }, builder.ToArray(0, 0));
for (int i = 0; i < 34; i++)
{
builder.WriteByte((byte)i);
}
AssertEx.Equal(new byte[]
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21
}, builder.ToArray());
AssertEx.Equal(new byte[]
{
0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21
}, builder.ToArray(0x0e, 20));
AssertEx.Equal(new byte[] { 0x0E }, builder.ToArray(0x0e, 1));
AssertEx.Equal(new byte[] { 0x0E, 0x0F }, builder.ToArray(0x0e, 2));
AssertEx.Equal(new byte[] { 0x0E, 0x0F, 0x10 }, builder.ToArray(0x0e, 3));
AssertEx.Equal(new byte[] { 0x0E, 0x0F, 0x10, 0x11 }, builder.ToArray(0x0e, 4));
AssertEx.Equal(new byte[] { 0x1E }, builder.ToArray(0x1e, 1));
AssertEx.Equal(new byte[] { 0x1E, 0x1F }, builder.ToArray(0x1e, 2));
AssertEx.Equal(new byte[] { 0x1E, 0x1F, 0x20 }, builder.ToArray(0x1e, 3));
AssertEx.Equal(new byte[] { 0x1E, 0x1F, 0x20, 0x21 }, builder.ToArray(0x1e, 4));
}
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 WriteSectionHeader(SectionHeader sectionHeader, BlobBuilder 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.WriteUInt32((uint)sectionHeader.VirtualSize);
writer.WriteUInt32((uint)sectionHeader.RelativeVirtualAddress);
writer.WriteUInt32((uint)sectionHeader.SizeOfRawData);
writer.WriteUInt32((uint)sectionHeader.PointerToRawData);
writer.WriteUInt32((uint)sectionHeader.PointerToRelocations);
writer.WriteUInt32((uint)sectionHeader.PointerToLinenumbers);
writer.WriteUInt16(sectionHeader.NumberOfRelocations);
writer.WriteUInt16(sectionHeader.NumberOfLinenumbers);
writer.WriteUInt32((uint)sectionHeader.Characteristics);
}
private void SerializeReferenceToPreviousMethodWithUsingInfo(ArrayBuilder<BlobBuilder> customDebugInfo)
{
BlobBuilder cmw = new BlobBuilder(12);
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindForwardInfo);
cmw.Align(4);
cmw.WriteUInt32(12);
cmw.WriteUInt32((uint)_previousMethodTokenWithUsingInfo);
customDebugInfo.Add(cmw);
}
private void SerializeNamespaceScopeMetadata(EmitContext context, IMethodBody methodBody, ArrayBuilder<BlobBuilder> 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 BlobBuilder();
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.WriteUInt32(streamLength = BitArithmeticUtilities.Align((uint)usingCounts.Count * 2 + 10, 4));
cmw.WriteUInt16((ushort)usingCounts.Count);
foreach (ushort uc in usingCounts)
{
cmw.WriteUInt16(uc);
}
cmw.Align(4);
Debug.Assert(streamLength == cmw.Length);
customDebugInfo.Add(cmw);
}
if (_methodBodyWithModuleInfo != null && !ReferenceEquals(_methodBodyWithModuleInfo, methodBody))
{
SerializeReferenceToMethodWithModuleInfo(customDebugInfo);
}
}
private static void SerializeDynamicLocalInfo(IMethodBody methodBody, ArrayBuilder<BlobBuilder> 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 BlobBuilder();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindDynamicLocals);
cmw.Align(4);
// size = Version,Kind + size + cBuckets + (dynamicCount * sizeOf(Local Blob))
cmw.WriteUInt32(4 + 4 + 4 + (uint)dynamicLocals.Count * blobSize);//Size of the Dynamic Block
cmw.WriteUInt32((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.WriteUInt32((uint)dynamicTransformFlags.Length); //Written Length
}
else
{
cmw.WriteBytes(0, 68); //Empty flag array and size.
}
if (localIndex < dynamicVariableCount)
{
// Dynamic variable
cmw.WriteUInt32((uint)local.SlotIndex);
}
else
{
// Dynamic constant
cmw.WriteUInt32(0);
}
char[] localName = new char[64];
local.Name.CopyTo(0, localName, 0, local.Name.Length);
cmw.WriteUTF16(localName);
localIndex++;
}
dynamicLocals.Free();
customDebugInfo.Add(cmw);
}
private static void SerializeStateMachineLocalScopes(IMethodBody methodBody, ArrayBuilder<BlobBuilder> customDebugInfo)
{
var scopes = methodBody.StateMachineHoistedLocalScopes;
if (scopes.IsDefaultOrEmpty)
{
return;
}
uint numberOfScopes = (uint)scopes.Length;
var cmw = new BlobBuilder();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindStateMachineHoistedLocalScopes);
cmw.Align(4);
cmw.WriteUInt32(12 + numberOfScopes * 8);
cmw.WriteUInt32(numberOfScopes);
foreach (var scope in scopes)
{
if (scope.IsDefault)
{
cmw.WriteUInt32(0);
cmw.WriteUInt32(0);
}
else
{
// Dev12 C# emits end-inclusive range
cmw.WriteUInt32((uint)scope.StartOffset);
cmw.WriteUInt32((uint)scope.EndOffset - 1);
}
}
customDebugInfo.Add(cmw);
}
private static void SerializeReferenceToIteratorClass(string iteratorClassName, ArrayBuilder<BlobBuilder> customDebugInfo)
{
if (iteratorClassName == null) return;
var cmw = new BlobBuilder();
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.WriteUInt32(length);
cmw.WriteUTF16(iteratorClassName);
cmw.WriteInt16(0);
cmw.Align(4);
Debug.Assert(cmw.Position == length);
customDebugInfo.Add(cmw);
}
private static BlobBuilder SerializeRecord(byte kind, Action<BlobBuilder> data)
{
var cmw = new BlobBuilder();
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.WriteUInt32(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.SetPosition(alignmentSizeAndLengthPosition);
cmw.WriteByte(alignmentSize);
cmw.WriteUInt32((uint)alignedLength);
cmw.SetPosition(length);
return cmw;
}
public void Link()
{
var builder1 = new BlobBuilder(16);
builder1.WriteByte(1);
var builder2 = new BlobBuilder(16);
builder2.WriteByte(2);
var builder3 = new BlobBuilder(16);
builder3.WriteByte(3);
var builder4 = new BlobBuilder(16);
builder4.WriteByte(4);
var builder5 = new BlobBuilder(16);
builder5.WriteByte(5);
builder2.LinkPrefix(builder1);
AssertEx.Equal(new byte[] { 1, 2 }, builder2.ToArray());
Assert.Throws<InvalidOperationException>(() => builder1.ToArray());
Assert.Throws<InvalidOperationException>(() => builder2.LinkPrefix(builder1));
Assert.Throws<InvalidOperationException>(() => builder1.WriteByte(0xff));
Assert.Throws<InvalidOperationException>(() => builder1.WriteBytes(1, 10));
Assert.Throws<InvalidOperationException>(() => builder1.WriteBytes(new byte[] { 1 }));
Assert.Throws<InvalidOperationException>(() => builder1.ReserveBytes(1));
Assert.Throws<InvalidOperationException>(() => builder1.GetBlobs());
Assert.Throws<InvalidOperationException>(() => builder1.ContentEquals(builder1));
Assert.Throws<InvalidOperationException>(() => builder1.WriteUTF16("str"));
Assert.Throws<InvalidOperationException>(() => builder1.WriteUTF8("str", allowUnpairedSurrogates: false));
builder2.LinkSuffix(builder3);
AssertEx.Equal(new byte[] { 1, 2, 3 }, builder2.ToArray());
Assert.Throws<InvalidOperationException>(() => builder3.LinkPrefix(builder5));
builder2.LinkPrefix(builder4);
AssertEx.Equal(new byte[] { 4, 1, 2, 3 }, builder2.ToArray());
Assert.Throws<InvalidOperationException>(() => builder4.LinkPrefix(builder5));
builder2.LinkSuffix(builder5);
AssertEx.Equal(new byte[] { 4, 1, 2, 3, 5 }, builder2.ToArray());
}
public void Pooled()
{
var builder1 = PooledBlobBuilder.GetInstance();
var builder2 = PooledBlobBuilder.GetInstance();
var builder3 = new BlobBuilder();
builder1.WriteByte(1);
builder2.WriteByte(2);
builder3.WriteByte(3);
// mix pooled with non-pooled
builder1.LinkPrefix(builder3);
builder1.Free();
builder2.Free();
}
private BlobIdx SerializeLocalConstantSignature(ILocalDefinition localConstant)
{
var writer = new BlobBuilder();
// CustomMod*
SerializeCustomModifiers(localConstant.CustomModifiers, writer);
var type = localConstant.Type;
var typeCode = type.TypeCode(Context);
object value = localConstant.CompileTimeValue.Value;
// PrimitiveConstant or EnumConstant
if (value is decimal)
{
writer.WriteByte(0x11);
writer.WriteCompressedInteger(GetTypeDefOrRefCodedIndex(type, treatRefAsPotentialTypeSpec: true));
writer.WriteDecimal((decimal)value);
}
else if (value is DateTime)
{
writer.WriteByte(0x11);
writer.WriteCompressedInteger(GetTypeDefOrRefCodedIndex(type, treatRefAsPotentialTypeSpec: true));
writer.WriteDateTime((DateTime)value);
}
else if (typeCode == PrimitiveTypeCode.String)
{
writer.WriteByte((byte)ConstantTypeCode.String);
if (value == null)
{
writer.WriteByte(0xff);
}
else
{
writer.WriteUTF16((string)value);
}
}
else if (value != null)
{
// TypeCode
writer.WriteByte((byte)GetConstantTypeCode(value));
// Value
writer.WriteConstant(value);
// EnumType
if (type.IsEnum)
{
writer.WriteCompressedInteger(GetTypeDefOrRefCodedIndex(type, treatRefAsPotentialTypeSpec: true));
}
}
else if (this.module.IsPlatformType(type, PlatformType.SystemObject))
{
writer.WriteByte(0x1c);
}
else
{
writer.WriteByte((byte)(type.IsValueType ? 0x11 : 0x12));
writer.WriteCompressedInteger(GetTypeDefOrRefCodedIndex(type, treatRefAsPotentialTypeSpec: true));
}
return(_debugHeapsOpt.GetBlobIndex(writer));
}
private static void WriteNameTable(Stream peStream)
{
var writer = new BlobBuilder(SizeOfNameTable);
foreach (char ch in CorEntryPointDll)
{
writer.WriteByte((byte)ch);
}
writer.WriteByte(0);
writer.WriteUInt16(0);
Debug.Assert(writer.Length == SizeOfNameTable);
writer.WriteTo(peStream);
}
private void SerializeImport(BlobBuilder writer, UsedNamespaceOrType import)
{
if (import.TargetXmlNamespaceOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
Debug.Assert(import.TargetTypeOpt == null);
// <import> ::= ImportXmlNamespace <alias> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportXmlNamespace);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.AliasOpt)));
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.TargetXmlNamespaceOpt)));
}
else if (import.TargetTypeOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
if (import.AliasOpt != null)
{
// <import> ::= AliasType <alias> <target-type>
writer.WriteByte((byte)ImportDefinitionKind.AliasType);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.AliasOpt)));
}
else
{
// <import> ::= ImportType <target-type>
writer.WriteByte((byte)ImportDefinitionKind.ImportType);
}
writer.WriteCompressedInteger(GetTypeDefOrRefCodedIndex(import.TargetTypeOpt, treatRefAsPotentialTypeSpec: true)); // TODO: index in release build
}
else if (import.TargetNamespaceOpt != null)
{
if (import.TargetAssemblyOpt != null)
{
if (import.AliasOpt != null)
{
// <import> ::= AliasAssemblyNamespace <alias> <target-assembly> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.AliasAssemblyNamespace);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.AliasOpt)));
}
else
{
// <import> ::= ImportAssemblyNamespace <target-assembly> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportAssemblyNamespace);
}
writer.WriteCompressedInteger((uint)GetAssemblyRefIndex(import.TargetAssemblyOpt));
}
else
{
if (import.AliasOpt != null)
{
// <import> ::= AliasNamespace <alias> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.AliasNamespace);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.AliasOpt)));
}
else
{
// <import> ::= ImportNamespace <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportNamespace);
}
}
// TODO: cache?
string namespaceName = TypeNameSerializer.BuildQualifiedNamespaceName(import.TargetNamespaceOpt);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(namespaceName)));
}
else
{
// <import> ::= ImportReferenceAlias <alias>
Debug.Assert(import.AliasOpt != null);
Debug.Assert(import.TargetAssemblyOpt == null);
writer.WriteByte((byte)ImportDefinitionKind.ImportAssemblyReferenceAlias);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.AliasOpt)));
}
}
private static BlobBuilder SerializeRecord(byte kind, Action<BlobBuilder> data)
{
var cmw = new BlobBuilder();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(kind);
cmw.WriteByte(0);
// alignment size and length (will be patched)
var alignmentSizeAndLengthWriter = cmw.ReserveBytes(sizeof(byte) + sizeof(uint));
data(cmw);
int length = cmw.Position;
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 void EmbedCompilationOptions(CommonPEModuleBuilder module)
{
var builder = new BlobBuilder();
var compilerVersion = typeof(Compilation).Assembly.GetCustomAttribute <AssemblyInformationalVersionAttribute>().InformationalVersion;
WriteValue(CompilationOptionNames.CompilationOptionsVersion, CompilationOptionsSchemaVersion.ToString());
WriteValue(CompilationOptionNames.CompilerVersion, compilerVersion);
WriteValue(CompilationOptionNames.Language, module.CommonCompilation.Options.Language);
WriteValue(CompilationOptionNames.SourceFileCount, module.CommonCompilation.SyntaxTrees.Count().ToString());
if (module.EmitOptions.FallbackSourceFileEncoding != null)
{
WriteValue(CompilationOptionNames.FallbackEncoding, module.EmitOptions.FallbackSourceFileEncoding.WebName);
}
if (module.EmitOptions.DefaultSourceFileEncoding != null)
{
WriteValue(CompilationOptionNames.DefaultEncoding, module.EmitOptions.DefaultSourceFileEncoding.WebName);
}
int portabilityPolicy = 0;
if (module.CommonCompilation.Options.AssemblyIdentityComparer is DesktopAssemblyIdentityComparer identityComparer)
{
portabilityPolicy |= identityComparer.PortabilityPolicy.SuppressSilverlightLibraryAssembliesPortability ? 0b1 : 0;
portabilityPolicy |= identityComparer.PortabilityPolicy.SuppressSilverlightPlatformAssembliesPortability ? 0b10 : 0;
}
if (portabilityPolicy != 0)
{
WriteValue(CompilationOptionNames.PortabilityPolicy, portabilityPolicy.ToString());
}
var optimizationLevel = module.CommonCompilation.Options.OptimizationLevel;
var debugPlusMode = module.CommonCompilation.Options.DebugPlusMode;
if (optimizationLevel != OptimizationLevel.Debug || debugPlusMode)
{
WriteValue(CompilationOptionNames.Optimization, optimizationLevel.ToPdbSerializedString(debugPlusMode));
}
var runtimeVersion = typeof(object).Assembly.GetCustomAttribute <AssemblyInformationalVersionAttribute>()?.InformationalVersion;
WriteValue(CompilationOptionNames.RuntimeVersion, runtimeVersion);
module.CommonCompilation.SerializePdbEmbeddedCompilationOptions(builder);
_debugMetadataOpt.AddCustomDebugInformation(
parent: EntityHandle.ModuleDefinition,
kind: _debugMetadataOpt.GetOrAddGuid(PortableCustomDebugInfoKinds.CompilationOptions),
value: _debugMetadataOpt.GetOrAddBlob(builder));
void WriteValue(string key, string value)
{
builder.WriteUTF8(key);
builder.WriteByte(0);
builder.WriteUTF8(value);
builder.WriteByte(0);
}
}
public void GetBlobs()
{
var builder = new BlobBuilder(16);
builder.WriteBytes(1, 100);
var blobs = builder.GetBlobs().ToArray();
Assert.Equal(2, blobs.Length);
Assert.Equal(16, blobs[0].Length);
Assert.Equal(100 - 16, blobs[1].Length);
builder.WriteByte(1);
blobs = builder.GetBlobs().ToArray();
Assert.Equal(3, blobs.Length);
Assert.Equal(16, blobs[0].Length);
Assert.Equal(16, blobs[0].GetUnderlyingBuffer().Array.Length);
Assert.Equal(100 - 16, blobs[1].Length);
Assert.Equal(100 - 16, blobs[1].GetUnderlyingBuffer().Array.Length);
Assert.Equal(1, blobs[2].Length);
Assert.Equal(100 - 16, blobs[2].GetUnderlyingBuffer().Array.Length);
builder.Clear();
blobs = builder.GetBlobs().ToArray();
Assert.Equal(1, blobs.Length);
Assert.Equal(0, blobs[0].Length);
// Clear uses the first buffer:
Assert.Equal(16, blobs[0].GetUnderlyingBuffer().Array.Length);
}
private void EmbedMetadataReferenceInformation(CommonPEModuleBuilder module)
{
var builder = new BlobBuilder();
// Order of information
// File name (null terminated string): A.exe
// Extern Alias (null terminated string): a1,a2,a3
// MetadataImageKind (byte)
// EmbedInteropTypes (boolean)
// COFF header Timestamp field (4 byte int)
// COFF header SizeOfImage field (4 byte int)
// MVID (Guid, 24 bytes)
foreach (var metadataReference in module.CommonCompilation.ExternalReferences)
{
if (metadataReference is PortableExecutableReference portableReference && portableReference.FilePath is object)
{
var fileName = PathUtilities.GetFileName(portableReference.FilePath);
var reference = module.CommonCompilation.GetAssemblyOrModuleSymbol(portableReference);
var peReader = GetReader(reference);
// Don't write before checking that we can get a peReader for the metadata reference
if (peReader is null)
{
continue;
}
// Write file name first
builder.WriteUTF8(fileName);
// Make sure to add null terminator
builder.WriteByte(0);
// Extern alias
if (portableReference.Properties.Aliases.Any())
{
builder.WriteUTF8(string.Join(",", portableReference.Properties.Aliases));
}
// Always null terminate the extern alias list
builder.WriteByte(0);
byte kindAndEmbedInteropTypes = (byte)(portableReference.Properties.EmbedInteropTypes
? 0b10
: 0b0);
kindAndEmbedInteropTypes |= portableReference.Properties.Kind switch
{
MetadataImageKind.Assembly => 1,
MetadataImageKind.Module => 0,
_ => throw ExceptionUtilities.UnexpectedValue(portableReference.Properties.Kind)
};
builder.WriteByte(kindAndEmbedInteropTypes);
builder.WriteInt32(peReader.PEHeaders.CoffHeader.TimeDateStamp);
builder.WriteInt32(peReader.PEHeaders.PEHeader.SizeOfImage);
var metadataReader = peReader.GetMetadataReader();
var moduleDefinition = metadataReader.GetModuleDefinition();
builder.WriteGuid(metadataReader.GetGuid(moduleDefinition.Mvid));
}
}
_debugMetadataOpt.AddCustomDebugInformation(
parent: EntityHandle.ModuleDefinition,
kind: _debugMetadataOpt.GetOrAddGuid(PortableCustomDebugInfoKinds.CompilationMetadataReferences),
value: _debugMetadataOpt.GetOrAddBlob(builder));
public void ToImmutableArray()
{
var builder = new BlobBuilder(16);
AssertEx.Equal(new byte[] { }, builder.ToArray(0, 0));
for (int i = 0; i < 13; i++)
{
builder.WriteByte((byte)i);
}
builder.WriteUInt32(0xaabbccdd);
AssertEx.Equal(new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0xDD, 0xCC, 0xBB, 0xAA }, builder.ToImmutableArray());
AssertEx.Equal(new byte[] { }, builder.ToImmutableArray(0, 0));
AssertEx.Equal(new byte[] { 0 }, builder.ToImmutableArray(0, 1));
AssertEx.Equal(new byte[] { 1 }, builder.ToImmutableArray(1, 1));
AssertEx.Equal(new byte[] { }, builder.ToImmutableArray(14, 0));
AssertEx.Equal(new byte[] { }, builder.ToImmutableArray(15, 0));
AssertEx.Equal(new byte[] { }, builder.ToImmutableArray(16, 0));
AssertEx.Equal(new byte[] { }, builder.ToImmutableArray(17, 0));
AssertEx.Equal(new byte[] { 0xdd }, builder.ToImmutableArray(13, 1));
AssertEx.Equal(new byte[] { 0xcc }, builder.ToImmutableArray(14, 1));
AssertEx.Equal(new byte[] { 0xbb }, builder.ToImmutableArray(15, 1));
AssertEx.Equal(new byte[] { 0xaa }, builder.ToImmutableArray(16, 1));
AssertEx.Equal(new byte[] { 0xdd, 0xcc }, builder.ToImmutableArray(13, 2));
AssertEx.Equal(new byte[] { 0xcc, 0xbb }, builder.ToImmutableArray(14, 2));
AssertEx.Equal(new byte[] { 0xbb, 0xaa }, builder.ToImmutableArray(15, 2));
AssertEx.Equal(new byte[] { 0xdd, 0xcc, 0xbb }, builder.ToImmutableArray(13, 3));
AssertEx.Equal(new byte[] { 0xcc, 0xbb, 0xaa }, builder.ToImmutableArray(14, 3));
AssertEx.Equal(new byte[] { 0xdd, 0xcc, 0xbb, 0xaa }, builder.ToImmutableArray(13, 4));
}
private BlobHandle SerializeLocalConstantSignature(ILocalDefinition localConstant)
{
var builder = new BlobBuilder();
// TODO: BlobEncoder.LocalConstantSignature
// CustomMod*
var encoder = new CustomModifiersEncoder(builder);
SerializeCustomModifiers(encoder, localConstant.CustomModifiers);
var type = localConstant.Type;
var typeCode = type.TypeCode;
object value = localConstant.CompileTimeValue.Value;
// PrimitiveConstant or EnumConstant
if (value is decimal)
{
builder.WriteByte((byte)SignatureTypeKind.ValueType);
builder.WriteCompressedInteger(CodedIndex.TypeDefOrRefOrSpec(GetTypeHandle(type)));
builder.WriteDecimal((decimal)value);
}
else if (value is DateTime)
{
builder.WriteByte((byte)SignatureTypeKind.ValueType);
builder.WriteCompressedInteger(CodedIndex.TypeDefOrRefOrSpec(GetTypeHandle(type)));
builder.WriteDateTime((DateTime)value);
}
else if (typeCode == PrimitiveTypeCode.String)
{
builder.WriteByte((byte)ConstantTypeCode.String);
if (value == null)
{
builder.WriteByte(0xff);
}
else
{
builder.WriteUTF16((string)value);
}
}
else if (value != null)
{
// TypeCode
builder.WriteByte((byte)GetConstantTypeCode(value));
// Value
builder.WriteConstant(value);
// EnumType
if (type.IsEnum)
{
builder.WriteCompressedInteger(CodedIndex.TypeDefOrRefOrSpec(GetTypeHandle(type)));
}
}
else if (this.module.IsPlatformType(type, PlatformType.SystemObject))
{
builder.WriteByte((byte)SignatureTypeCode.Object);
}
else
{
builder.WriteByte((byte)(type.IsValueType ? SignatureTypeKind.ValueType : SignatureTypeKind.Class));
builder.WriteCompressedInteger(CodedIndex.TypeDefOrRefOrSpec(GetTypeHandle(type)));
}
return(_debugMetadataOpt.GetOrAddBlob(builder));
}
public void WriteContentToStream()
{
var builder = new BlobBuilder(16);
for (int i = 0; i < 20; i++)
{
builder.WriteByte((byte)i);
}
var stream = new MemoryStream();
builder.WriteContentTo(stream);
AssertEx.Equal(new byte[]
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13
}, stream.ToArray());
builder.WriteByte(0xff);
builder.WriteContentTo(stream);
AssertEx.Equal(new byte[]
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13,
0xff,
}, stream.ToArray());
}
private void SerializeImport(BlobBuilder writer, UsedNamespaceOrType import)
{
if (import.TargetXmlNamespaceOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
Debug.Assert(import.TargetTypeOpt == null);
// <import> ::= ImportXmlNamespace <alias> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportXmlNamespace);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.AliasOpt)));
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.TargetXmlNamespaceOpt)));
}
else if (import.TargetTypeOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
if (import.AliasOpt != null)
{
// <import> ::= AliasType <alias> <target-type>
writer.WriteByte((byte)ImportDefinitionKind.AliasType);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.AliasOpt)));
}
else
{
// <import> ::= ImportType <target-type>
writer.WriteByte((byte)ImportDefinitionKind.ImportType);
}
writer.WriteCompressedInteger(CodedIndex.TypeDefOrRefOrSpec(GetTypeHandle(import.TargetTypeOpt))); // TODO: index in release build
}
else if (import.TargetNamespaceOpt != null)
{
if (import.TargetAssemblyOpt != null)
{
if (import.AliasOpt != null)
{
// <import> ::= AliasAssemblyNamespace <alias> <target-assembly> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.AliasAssemblyNamespace);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.AliasOpt)));
}
else
{
// <import> ::= ImportAssemblyNamespace <target-assembly> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportAssemblyNamespace);
}
writer.WriteCompressedInteger(MetadataTokens.GetRowNumber(GetAssemblyReferenceHandle(import.TargetAssemblyOpt)));
}
else
{
if (import.AliasOpt != null)
{
// <import> ::= AliasNamespace <alias> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.AliasNamespace);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.AliasOpt)));
}
else
{
// <import> ::= ImportNamespace <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportNamespace);
}
}
// TODO: cache?
string namespaceName = TypeNameSerializer.BuildQualifiedNamespaceName(import.TargetNamespaceOpt);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(namespaceName)));
}
else
{
// <import> ::= ImportReferenceAlias <alias>
Debug.Assert(import.AliasOpt != null);
Debug.Assert(import.TargetAssemblyOpt == null);
writer.WriteByte((byte)ImportDefinitionKind.ImportAssemblyReferenceAlias);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.AliasOpt)));
}
}
/// <summary>
/// Write string as UTF8 with null terminator.
/// </summary>
private static void WriteUtf8String(BlobBuilder builder, string str)
{
builder.WriteUTF8(str);
builder.WriteByte(0);
}
public static void SerializeWin32Resources(BlobBuilder builder, IEnumerable <IWin32Resource> theResources, int resourcesRva)
{
theResources = SortResources(theResources);
Directory typeDirectory = new Directory(string.Empty, 0);
Directory nameDirectory = null;
Directory languageDirectory = null;
int lastTypeID = int.MinValue;
string lastTypeName = null;
int lastID = int.MinValue;
string lastName = null;
uint sizeOfDirectoryTree = 16;
//EDMAURER note that this list is assumed to be sorted lowest to highest
//first by typeId, then by Id.
foreach (IWin32Resource r in theResources)
{
bool typeDifferent = (r.TypeId < 0 && r.TypeName != lastTypeName) || r.TypeId > lastTypeID;
if (typeDifferent)
{
lastTypeID = r.TypeId;
lastTypeName = r.TypeName;
if (lastTypeID < 0)
{
Debug.Assert(typeDirectory.NumberOfIdEntries == 0, "Not all Win32 resources with types encoded as strings precede those encoded as ints");
typeDirectory.NumberOfNamedEntries++;
}
else
{
typeDirectory.NumberOfIdEntries++;
}
sizeOfDirectoryTree += 24;
typeDirectory.Entries.Add(nameDirectory = new Directory(lastTypeName, lastTypeID));
}
if (typeDifferent || (r.Id < 0 && r.Name != lastName) || r.Id > lastID)
{
lastID = r.Id;
lastName = r.Name;
if (lastID < 0)
{
Debug.Assert(nameDirectory.NumberOfIdEntries == 0, "Not all Win32 resources with names encoded as strings precede those encoded as ints");
nameDirectory.NumberOfNamedEntries++;
}
else
{
nameDirectory.NumberOfIdEntries++;
}
sizeOfDirectoryTree += 24;
nameDirectory.Entries.Add(languageDirectory = new Directory(lastName, lastID));
}
languageDirectory.NumberOfIdEntries++;
sizeOfDirectoryTree += 8;
languageDirectory.Entries.Add(r);
}
var dataWriter = new BlobBuilder();
//'dataWriter' is where opaque resource data goes as well as strings that are used as type or name identifiers
WriteDirectory(typeDirectory, builder, 0, 0, sizeOfDirectoryTree, resourcesRva, dataWriter);
builder.LinkSuffix(dataWriter);
builder.WriteByte(0);
builder.Align(4);
}
public void LinkPrefix1()
{
var builder1 = new BlobBuilder(16);
builder1.WriteByte(1);
builder1.WriteByte(2);
builder1.WriteByte(3);
var builder2 = new BlobBuilder(16);
builder2.WriteByte(4);
builder1.LinkPrefix(builder2);
AssertEx.Equal(new byte[] { 4, 1, 2, 3 }, builder1.ToArray());
}
private static void WriteDirectory(Directory directory, BlobBuilder writer, uint offset, uint level, uint sizeOfDirectoryTree, int virtualAddressBase, BlobBuilder dataWriter)
{
writer.WriteUInt32(0); // Characteristics
writer.WriteUInt32(0); // Timestamp
writer.WriteUInt32(0); // Version
writer.WriteUInt16(directory.NumberOfNamedEntries);
writer.WriteUInt16(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.Count + 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.WriteUInt32((uint)(virtualAddressBase + sizeOfDirectoryTree + 16 + dataWriter.Count));
byte[] data = new List <byte>(r.Data).ToArray();
dataWriter.WriteUInt32((uint)data.Length);
dataWriter.WriteUInt32(r.CodePage);
dataWriter.WriteUInt32(0);
dataWriter.WriteBytes(data);
while ((dataWriter.Count % 4) != 0)
{
dataWriter.WriteByte(0);
}
}
if (id >= 0)
{
writer.WriteInt32(id);
}
else
{
if (name == null)
{
name = string.Empty;
}
writer.WriteUInt32(nameOffset | 0x80000000);
dataWriter.WriteUInt16((ushort)name.Length);
dataWriter.WriteUTF16(name);
}
if (subDir != null)
{
writer.WriteUInt32(directoryOffset | 0x80000000);
}
else
{
writer.WriteUInt32(nameOffset);
}
}
k = offset + 16 + n * 8;
for (int i = 0; i < n; i++)
{
Directory subDir = directory.Entries[i] as Directory;
if (subDir != null)
{
WriteDirectory(subDir, writer, k, level + 1, sizeOfDirectoryTree, virtualAddressBase, dataWriter);
if (level == 0)
{
k += SizeOfDirectory(subDir);
}
else
{
k += 16 + 8 * (uint)subDir.Entries.Count;
}
}
}
}
public void WriteAlignPad()
{
var writer = new BlobBuilder(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());
}
/// <summary>
/// Write string as UTF8 with null terminator.
/// </summary>
private static void WriteUtf8String(BlobBuilder cmw, string str)
{
cmw.WriteUTF8(str);
cmw.WriteByte(0);
}
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);
}
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);
}
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 SerializeConstantTable(BlobBuilder writer, MetadataSizes metadataSizes)
{
// Note: we can sort the table at this point since no other table can reference its rows via RowId or CodedIndex (which would need updating otherwise).
var ordered = _constantTableNeedsSorting ? _constantTable.OrderBy((x, y) => (int)x.Parent - (int)y.Parent) : _constantTable;
foreach (ConstantRow constant in ordered)
{
writer.WriteByte(constant.Type);
writer.WriteByte(0);
writer.WriteReference(constant.Parent, metadataSizes.HasConstantCodedIndexSize);
writer.WriteReference((uint)_heaps.ResolveBlobIndex(constant.Value), metadataSizes.BlobIndexSize);
}
}
private void WriteDebugTable(Stream peStream, SectionHeader textSection, ContentId nativePdbContentId, ContentId portablePdbContentId, MetadataSizes metadataSizes)
{
Debug.Assert(nativePdbContentId.IsDefault ^ portablePdbContentId.IsDefault);
var writer = new BlobBuilder();
// characteristics:
writer.WriteUInt32(0);
// PDB stamp & version
if (portablePdbContentId.IsDefault)
{
writer.WriteBytes(nativePdbContentId.Stamp);
writer.WriteUInt32(0);
}
else
{
writer.WriteBytes(portablePdbContentId.Stamp);
writer.WriteUInt32('P' << 24 | 'M' << 16 | 0x00 << 8 | 0x01);
}
// type:
const int ImageDebugTypeCodeView = 2;
writer.WriteUInt32(ImageDebugTypeCodeView);
// size of data:
writer.WriteUInt32((uint)ComputeSizeOfDebugDirectoryData());
uint dataOffset = (uint)ComputeOffsetToDebugTable(metadataSizes) + ImageDebugDirectoryBaseSize;
// PointerToRawData (RVA of the data):
writer.WriteUInt32((uint)textSection.RelativeVirtualAddress + dataOffset);
// AddressOfRawData (position of the data in the PE stream):
writer.WriteUInt32((uint)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 ?? portablePdbContentId.Guid);
// age
writer.WriteUInt32(PdbWriter.Age);
// UTF-8 encoded zero-terminated path to PDB
writer.WriteUTF8(_pdbPathOpt);
writer.WriteByte(0);
writer.WriteTo(peStream);
writer.Free();
}
private void SerializeMetadataTables(
BlobBuilder writer,
MetadataSizes metadataSizes,
int methodBodyStreamRva,
int mappedFieldDataStreamRva)
{
int startPosition = writer.Position;
this.SerializeTablesHeader(writer, metadataSizes);
if (metadataSizes.IsPresent(TableIndex.Module))
{
SerializeModuleTable(writer, metadataSizes, _heaps);
}
if (metadataSizes.IsPresent(TableIndex.TypeRef))
{
this.SerializeTypeRefTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.TypeDef))
{
this.SerializeTypeDefTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.Field))
{
this.SerializeFieldTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MethodDef))
{
this.SerializeMethodDefTable(writer, metadataSizes, methodBodyStreamRva);
}
if (metadataSizes.IsPresent(TableIndex.Param))
{
this.SerializeParamTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.InterfaceImpl))
{
this.SerializeInterfaceImplTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MemberRef))
{
this.SerializeMemberRefTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.Constant))
{
this.SerializeConstantTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.CustomAttribute))
{
this.SerializeCustomAttributeTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.FieldMarshal))
{
this.SerializeFieldMarshalTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.DeclSecurity))
{
this.SerializeDeclSecurityTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ClassLayout))
{
this.SerializeClassLayoutTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.FieldLayout))
{
this.SerializeFieldLayoutTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.StandAloneSig))
{
this.SerializeStandAloneSigTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.EventMap))
{
this.SerializeEventMapTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.Event))
{
this.SerializeEventTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.PropertyMap))
{
this.SerializePropertyMapTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.Property))
{
this.SerializePropertyTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MethodSemantics))
{
this.SerializeMethodSemanticsTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MethodImpl))
{
this.SerializeMethodImplTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ModuleRef))
{
this.SerializeModuleRefTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.TypeSpec))
{
this.SerializeTypeSpecTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ImplMap))
{
this.SerializeImplMapTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.FieldRva))
{
this.SerializeFieldRvaTable(writer, metadataSizes, mappedFieldDataStreamRva);
}
if (metadataSizes.IsPresent(TableIndex.EncLog))
{
this.SerializeEncLogTable(writer);
}
if (metadataSizes.IsPresent(TableIndex.EncMap))
{
this.SerializeEncMapTable(writer);
}
if (metadataSizes.IsPresent(TableIndex.Assembly))
{
this.SerializeAssemblyTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.AssemblyRef))
{
this.SerializeAssemblyRefTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.File))
{
this.SerializeFileTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ExportedType))
{
this.SerializeExportedTypeTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ManifestResource))
{
this.SerializeManifestResourceTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.NestedClass))
{
this.SerializeNestedClassTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.GenericParam))
{
this.SerializeGenericParamTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MethodSpec))
{
this.SerializeMethodSpecTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.GenericParamConstraint))
{
this.SerializeGenericParamConstraintTable(writer, metadataSizes);
}
// debug tables
if (metadataSizes.IsPresent(TableIndex.Document))
{
this.SerializeDocumentTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MethodDebugInformation))
{
this.SerializeMethodDebugInformationTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.LocalScope))
{
this.SerializeLocalScopeTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.LocalVariable))
{
this.SerializeLocalVariableTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.LocalConstant))
{
this.SerializeLocalConstantTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ImportScope))
{
this.SerializeImportScopeTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.StateMachineMethod))
{
this.SerializeStateMachineMethodTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.CustomDebugInformation))
{
this.SerializeCustomDebugInformationTable(writer, metadataSizes);
}
writer.WriteByte(0);
writer.Align(4);
int endPosition = writer.Position;
Debug.Assert(metadataSizes.MetadataTableStreamSize == endPosition - startPosition);
}
private void WriteDirectory(Directory directory, BlobBuilder writer, uint offset, uint level, uint sizeOfDirectoryTree, int virtualAddressBase, BlobBuilder dataWriter)
{
writer.WriteUInt32(0); // Characteristics
writer.WriteUInt32(0); // Timestamp
writer.WriteUInt32(0); // Version
writer.WriteUInt16(directory.NumberOfNamedEntries);
writer.WriteUInt16(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.WriteUInt32((uint)(virtualAddressBase + sizeOfDirectoryTree + 16 + dataWriter.Position));
byte[] data = new List<byte>(r.Data).ToArray();
dataWriter.WriteUInt32((uint)data.Length);
dataWriter.WriteUInt32(r.CodePage);
dataWriter.WriteUInt32(0);
dataWriter.WriteBytes(data);
while ((dataWriter.Length % 4) != 0)
{
dataWriter.WriteByte(0);
}
}
if (id >= 0)
{
writer.WriteInt32(id);
}
else
{
if (name == null)
{
name = string.Empty;
}
writer.WriteUInt32(nameOffset | 0x80000000);
dataWriter.WriteUInt16((ushort)name.Length);
dataWriter.WriteUTF16(name);
}
if (subDir != null)
{
writer.WriteUInt32(directoryOffset | 0x80000000);
}
else
{
writer.WriteUInt32(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 static void SerializeDynamicLocalInfo(IMethodBody methodBody, ArrayBuilder <BlobBuilder> 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 BlobBuilder();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindDynamicLocals);
cmw.Align(4);
// size = Version,Kind + size + cBuckets + (dynamicCount * sizeOf(Local Blob))
cmw.WriteUInt32(4 + 4 + 4 + (uint)dynamicLocals.Count * blobSize);//Size of the Dynamic Block
cmw.WriteUInt32((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.WriteUInt32((uint)dynamicTransformFlags.Length); //Written Length
}
else
{
cmw.WriteBytes(0, 68); //Empty flag array and size.
}
if (localIndex < dynamicVariableCount)
{
// Dynamic variable
cmw.WriteUInt32((uint)local.SlotIndex);
}
else
{
// Dynamic constant
cmw.WriteUInt32(0);
}
char[] localName = new char[64];
local.Name.CopyTo(0, localName, 0, local.Name.Length);
cmw.WriteUTF16(localName);
localIndex++;
}
dynamicLocals.Free();
customDebugInfo.Add(cmw);
}
