private static void TestFieldRva(WindowsAssembly assembly, TypeSignature fieldType, byte[] fieldRvaData, bool saveToDisk)
{
const string fieldName = "MyField";
// set up temp assembly.
var tableStream = assembly.NetDirectory.MetadataHeader.GetStream <TableStream>();
var fieldTable = tableStream.GetTable <FieldDefinition>();
var fieldRvaTable = tableStream.GetTable <FieldRva>();
// create temp field.
var field = new FieldDefinition(fieldName,
FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.HasFieldRva,
new FieldSignature(fieldType));
fieldTable.Add(field);
// create field rva.
var fieldRva = new FieldRva(field, fieldRvaData);
field.FieldRva = fieldRva;
fieldRvaTable.Add(fieldRva);
assembly = Utilities.RebuildNetAssembly(assembly, saveToDisk);
tableStream = assembly.NetDirectory.MetadataHeader.GetStream <TableStream>();
fieldTable = tableStream.GetTable <FieldDefinition>();
field = fieldTable.FirstOrDefault(x => x.Name == fieldName);
Assert.IsNotNull(field);
Assert.IsNotNull(field.FieldRva);
Utilities.ValidateByteArrays(fieldRvaData, field.FieldRva.Data);
}
public void TestInterpretAsArray()
{
var elementType = ElementType.I4;
int[] expected = new int[] { 1, 2, 3 };
byte[] data = new byte[] { 1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0 };
var assembly = Utilities.CreateTempNetAssembly();
var importer = new ReferenceImporter(assembly.NetDirectory.MetadataHeader.GetStream <TableStream>());
var fieldType = new TypeDefinition(string.Empty, "__StaticArrayInitTypeSize=" + data.Length,
importer.ImportType(typeof(ValueType)));
var field = new FieldDefinition(FieldName,
FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.HasFieldRva,
new FieldSignature(new TypeDefOrRefSignature(fieldType)
{
IsValueType = true
}));
var fieldRva = new FieldRva(field, data);
int[] actual = fieldRva.InterpretAsArray(elementType).Cast <int>().ToArray();
Assert.AreEqual(expected.Length, actual.Length, "Length of arrays differ.");
for (int i = 0; i < actual.Length; i++)
{
Assert.AreEqual(expected[i], actual[i], "Element " + i + " differs from expected.");
}
}
public DataSegment GetFieldRvaSegment(FieldRva fieldRva)
{
DataSegment segment;
if (!_dataSegments.TryGetValue(fieldRva, out segment))
{
segment = new DataSegment(fieldRva.Data);
Segments.Add(segment);
_dataSegments.Add(fieldRva, segment);
}
return segment;
}
public DataSegment GetFieldRvaSegment(FieldRva fieldRva)
{
DataSegment segment;
if (!_dataSegments.TryGetValue(fieldRva, out segment))
{
segment = new DataSegment(fieldRva.Data);
Segments.Add(segment);
_dataSegments.Add(fieldRva, segment);
}
return(segment);
}
public void TestInterpretData()
{
var assembly = Utilities.CreateTempNetAssembly();
var field = new FieldDefinition(FieldName,
FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.HasFieldRva,
new FieldSignature(assembly.NetDirectory.MetadataHeader.TypeSystem.Int32));
var fieldRva = new FieldRva(field, BitConverter.GetBytes(1337));
Assert.AreEqual(1337, fieldRva.InterpretData(field.Signature.FieldType));
}
private void AddFieldRva(FieldRva fieldRva)
{
var table = (FieldRvaTable)_tableStream.GetTable(MetadataTokenType.FieldRva);
// Create and add row.
var rvaRow = new MetadataRow <DataSegment, uint>
{
Column1 = new DataSegment(fieldRva.Data),
Column2 = GetNewToken(fieldRva.Field).Rid
};
table.Add(rvaRow);
_members.Add(fieldRva, rvaRow.MetadataToken);
}
public void TestInterpretAsArray()
{
var elementType = ElementType.I4;
int[] expected = new int[] { 1, 2, 3 };
byte[] data = new byte[] { 1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0 };
var assembly = Utilities.CreateTempNetAssembly();
var importer = new ReferenceImporter(assembly.NetDirectory.MetadataHeader.GetStream<TableStream>());
var fieldType = new TypeDefinition(string.Empty, "__StaticArrayInitTypeSize=" + data.Length,
importer.ImportType(typeof(ValueType)));
var field = new FieldDefinition(FieldName,
FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.HasFieldRva,
new FieldSignature(new TypeDefOrRefSignature(fieldType) { IsValueType = true }));
var fieldRva = new FieldRva(field, data);
int[] actual = fieldRva.InterpretAsArray(elementType).Cast<int>().ToArray();
Assert.AreEqual(expected.Length, actual.Length, "Length of arrays differ.");
for (int i = 0; i < actual.Length; i++)
Assert.AreEqual(expected[i], actual[i], "Element " + i + " differs from expected.");
}
public void PersistentRva()
{
byte[] data = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
var assembly = NetAssemblyFactory.CreateAssembly(DummyAssemblyName, true);
var header = assembly.NetDirectory.MetadataHeader;
var image = header.LockMetadata();
var field = CreateAndAddDummyField(image);
var newRva = new FieldRva(data);
field.FieldRva = newRva;
field.HasFieldRva = true;
var mapping = header.UnlockMetadata();
var rvaRow = header.GetStream <TableStream>().GetTable <FieldRvaTable>()[(int)(mapping[newRva].Rid - 1)];
Assert.Equal(data, rvaRow.Column1.Data);
image = header.LockMetadata();
field = (FieldDefinition)image.ResolveMember(mapping[field]);
Assert.NotNull(field.FieldRva);
Assert.Equal(data, field.FieldRva.Data);
}
public void TestInterpretData()
{
var assembly = Utilities.CreateTempNetAssembly();
var field = new FieldDefinition(FieldName,
FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.HasFieldRva,
new FieldSignature(assembly.NetDirectory.MetadataHeader.TypeSystem.Int32));
var fieldRva = new FieldRva(field, BitConverter.GetBytes(1337));
Assert.AreEqual(1337, fieldRva.InterpretData(field.Signature.FieldType));
}
private static void TestFieldRva(WindowsAssembly assembly, TypeSignature fieldType, byte[] fieldRvaData, bool saveToDisk)
{
// set up temp assembly.
var tableStream = assembly.NetDirectory.MetadataHeader.GetStream<TableStream>();
var fieldTable = tableStream.GetTable<FieldDefinition>();
var fieldRvaTable = tableStream.GetTable<FieldRva>();
// create temp field.
var field = new FieldDefinition(FieldName,
FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.HasFieldRva,
new FieldSignature(fieldType));
fieldTable.Add(field);
// create field rva.
var fieldRva = new FieldRva(field, fieldRvaData);
field.FieldRva = fieldRva;
fieldRvaTable.Add(fieldRva);
assembly = Utilities.RebuildNetAssembly(assembly, saveToDisk);
tableStream = assembly.NetDirectory.MetadataHeader.GetStream<TableStream>();
fieldTable = tableStream.GetTable<FieldDefinition>();
field = fieldTable.FirstOrDefault(x => x.Name == FieldName);
Assert.IsNotNull(field);
Assert.IsNotNull(field.FieldRva);
Utilities.ValidateByteArrays(fieldRvaData, field.FieldRva.Data);
}
