/// <summary>
/// Writes header information into output stream (w/o CRC and table offsets/paddings).
/// </summary>
/// <param name="writer">Binary writer with correct endianness.</param>
/// <param name="isPreAllocationCall">If true no assembly name will be written.</param>
public void Write(
TinyBinaryWriter writer,
Boolean isPreAllocationCall)
{
writer.WriteString("MSSpot1");
writer.WriteUInt32(0); // header CRC
writer.WriteUInt32(0); // assembly CRC
writer.WriteUInt32(writer.IsBigEndian ? FLAGS_BIG_ENDIAN : FLAGS_LITTLE_ENDIAN);
// This CRC calculated only for BE assemblies!!!
writer.WriteUInt32(writer.IsBigEndian ? _context.NativeMethodsCrc.Current : 0x00);
writer.WriteUInt32(0xFFFFFFFF); // Native methods offset
writer.WriteVersion(_context.AssemblyDefinition.Name.Version);
writer.WriteUInt16(isPreAllocationCall
? (UInt16) 0x0000
: _context.StringTable.GetOrCreateStringId(_context.AssemblyDefinition.Name.Name));
writer.WriteUInt16(1); // String table version
if (isPreAllocationCall)
{
_tablesOffset = writer.BaseStream.Position;
for (var i = 0; i < 16; ++i)
{
writer.WriteUInt32(0);
}
writer.WriteUInt32(0); // Number of patched methods
_paddingsOffset = writer.BaseStream.Position;
for (var i = 0; i < 16; ++i)
{
writer.WriteByte(0);
}
}
else
{
writer.BaseStream.Seek(12, SeekOrigin.Begin);
var assemblyCrc32 = ComputeCrc32(writer.BaseStream,
_paddingsOffset, writer.BaseStream.Length - _paddingsOffset);
writer.WriteUInt32(assemblyCrc32);
writer.BaseStream.Seek(8, SeekOrigin.Begin);
var headerCrc32 = ComputeCrc32(writer.BaseStream, 0, _paddingsOffset);
writer.WriteUInt32(headerCrc32);
}
}
/// <inheritdoc/>
protected override void WriteSingleItem(
TinyBinaryWriter writer,
MethodReference item)
{
UInt16 referenceId;
_context.TypeReferencesTable.TryGetTypeReferenceId(item.DeclaringType, out referenceId);
WriteStringReference(writer, item.Name);
writer.WriteUInt16(referenceId);
writer.WriteUInt16(_context.SignaturesTable.GetOrCreateSignatureId(item));
writer.WriteUInt16(0); // padding
}
private void WriteAttributes(
TinyBinaryWriter writer,
UInt16 tableNumber,
IEnumerable <Tuple <CustomAttribute, UInt16> > attributes)
{
foreach (var item in attributes)
{
var attribute = item.Item1;
var targetIdentifier = item.Item2;
writer.WriteUInt16(tableNumber);
writer.WriteUInt16(targetIdentifier);
writer.WriteUInt16(_context.GetMethodReferenceId(attribute.Constructor));
writer.WriteUInt16(_context.SignaturesTable.GetOrCreateSignatureId(attribute));
}
}
private void WriteMethodBodies(
Collection <MethodDefinition> methods,
Collection <TypeReference> iInterfaces,
TinyBinaryWriter writer)
{
UInt16 firstMethodId = 0xFFFF;
var virtualMethodsNumber = 0;
foreach (var method in methods.Where(item => item.IsVirtual))
{
firstMethodId = Math.Min(firstMethodId, _context.ByteCodeTable.GetMethodId(method));
CreateMethodSignatures(method);
++virtualMethodsNumber;
}
var instanceMethodsNumber = 0;
foreach (var method in methods.Where(item => !(item.IsVirtual || item.IsStatic)))
{
firstMethodId = Math.Min(firstMethodId, _context.ByteCodeTable.GetMethodId(method));
CreateMethodSignatures(method);
++instanceMethodsNumber;
}
var staticMethodsNumber = 0;
foreach (var method in methods.Where(item => item.IsStatic))
{
firstMethodId = Math.Min(firstMethodId, _context.ByteCodeTable.GetMethodId(method));
CreateMethodSignatures(method);
++staticMethodsNumber;
}
if (virtualMethodsNumber + instanceMethodsNumber + staticMethodsNumber == 0)
{
firstMethodId = _context.ByteCodeTable.NextMethodId;
}
writer.WriteUInt16(_context.SignaturesTable.GetOrCreateSignatureId(iInterfaces));
writer.WriteUInt16(firstMethodId);
writer.WriteByte((Byte)virtualMethodsNumber);
writer.WriteByte((Byte)instanceMethodsNumber);
writer.WriteByte((Byte)staticMethodsNumber);
}
private void WriteAttributes(
TinyBinaryWriter writer,
UInt16 tableNumber,
IEnumerable<Tuple<CustomAttribute, UInt16>> attributes)
{
foreach (var item in attributes)
{
var attribute = item.Item1;
var targetIdentifier = item.Item2;
writer.WriteUInt16(tableNumber);
writer.WriteUInt16(targetIdentifier);
writer.WriteUInt16(_context.GetMethodReferenceId(attribute.Constructor));
writer.WriteUInt16(_context.SignaturesTable.GetOrCreateSignatureId(attribute));
}
}
private void WriteClassFields(
IList <FieldDefinition> fieldsList,
TinyBinaryWriter writer)
{
var firstStaticFieldId = _context.FieldsTable.MaxFieldId;
var staticFieldsNumber = 0;
foreach (var field in fieldsList.Where(item => item.IsStatic))
{
UInt16 fieldReferenceId;
_context.FieldsTable.TryGetFieldReferenceId(field, true, out fieldReferenceId);
firstStaticFieldId = Math.Min(firstStaticFieldId, fieldReferenceId);
_context.SignaturesTable.GetOrCreateSignatureId(field);
_context.StringTable.GetOrCreateStringId(field.Name);
++staticFieldsNumber;
}
var firstInstanseFieldId = _context.FieldsTable.MaxFieldId;
var instanceFieldsNumber = 0;
foreach (var field in fieldsList.Where(item => !item.IsStatic))
{
UInt16 fieldReferenceId;
_context.FieldsTable.TryGetFieldReferenceId(field, true, out fieldReferenceId);
firstInstanseFieldId = Math.Min(firstInstanseFieldId, fieldReferenceId);
_context.SignaturesTable.GetOrCreateSignatureId(field);
_context.StringTable.GetOrCreateStringId(field.Name);
++instanceFieldsNumber;
}
if (firstStaticFieldId > firstInstanseFieldId)
{
firstStaticFieldId = firstInstanseFieldId;
}
writer.WriteUInt16(firstStaticFieldId);
writer.WriteUInt16(firstInstanseFieldId);
writer.WriteByte((Byte)staticFieldsNumber);
writer.WriteByte((Byte)instanceFieldsNumber);
}
/// <inheritdoc/>
protected override void WriteSingleItem(
TinyBinaryWriter writer,
AssemblyNameReference item)
{
WriteStringReference(writer, item.Name);
writer.WriteUInt16(0); // padding
writer.WriteVersion(item.Version);
}
/// <inheritdoc/>
public void Write(
TinyBinaryWriter writer)
{
var offset = 0U;
foreach (var item in _resouces)
{
writer.WriteUInt32(0x02); // Version
writer.WriteUInt32(0x04); // Size of header
writer.WriteUInt32(0x08); // Size of resouce header
writer.WriteUInt32(item.Item2);
writer.WriteUInt16(item.Item1);
writer.WriteUInt16(0x0); // paddding
writer.WriteUInt32(offset);
offset += 8; // Size of resource table record
}
}
/// <inheritdoc/>
public void Write(
TinyBinaryWriter writer)
{
var offset = 0U;
foreach (var item in _resouces)
{
writer.WriteUInt32(0x02); // Version
writer.WriteUInt32(0x04); // Size of header
writer.WriteUInt32(0x08); // Size of resouce header
writer.WriteUInt32(item.Item2);
writer.WriteUInt16(item.Item1);
writer.WriteUInt16(0x0); // paddding
writer.WriteUInt32(offset);
offset += 8; // Size of resource table record
}
}
public void Process(
TinyBinaryWriter writer)
{
writer.WriteUInt32((UInt32)_bitmap.Width);
writer.WriteUInt32((UInt32)_bitmap.Height);
writer.WriteUInt16(0x00); // flags
var tinyImageFormat = GetTinytImageFormat(_bitmap.RawFormat);
if (tinyImageFormat != 0)
{
writer.WriteByte(0x01); // bpp
writer.WriteByte(tinyImageFormat);
_bitmap.Save(writer.BaseStream, _bitmap.RawFormat);
}
else
{
writer.WriteByte(0x10); // bpp
writer.WriteByte(tinyImageFormat);
var rect = new Rectangle(Point.Empty, _bitmap.Size);
using (var convertedBitmap =
_bitmap.Clone(new Rectangle(Point.Empty, _bitmap.Size),
PixelFormat.Format16bppRgb565))
{
var bitmapData = convertedBitmap.LockBits(
rect, ImageLockMode.ReadOnly, convertedBitmap.PixelFormat);
var buffer = new Int16[bitmapData.Stride * convertedBitmap.Height / sizeof(Int16)];
System.Runtime.InteropServices.Marshal.Copy(
bitmapData.Scan0, buffer, 0, buffer.Length);
convertedBitmap.UnlockBits(bitmapData);
foreach (var item in buffer)
{
writer.WriteInt16(item);
}
}
}
}
public void Process(
TinyBinaryWriter writer)
{
writer.WriteUInt32((UInt32)_bitmap.Width);
writer.WriteUInt32((UInt32)_bitmap.Height);
writer.WriteUInt16(0x00); // flags
var tinyImageFormat = GetTinytImageFormat(_bitmap.RawFormat);
if (tinyImageFormat != 0)
{
writer.WriteByte(0x01); // bpp
writer.WriteByte(tinyImageFormat);
_bitmap.Save(writer.BaseStream, _bitmap.RawFormat);
}
else
{
writer.WriteByte(0x10); // bpp
writer.WriteByte(tinyImageFormat);
var rect = new Rectangle(Point.Empty, _bitmap.Size);
using (var convertedBitmap =
_bitmap.Clone(new Rectangle(Point.Empty, _bitmap.Size),
PixelFormat.Format16bppRgb565))
{
var bitmapData = convertedBitmap.LockBits(
rect, ImageLockMode.ReadOnly, convertedBitmap.PixelFormat);
var buffer = new Int16[bitmapData.Stride * convertedBitmap.Height / sizeof(Int16)];
System.Runtime.InteropServices.Marshal.Copy(
bitmapData.Scan0, buffer, 0, buffer.Length);
convertedBitmap.UnlockBits(bitmapData);
foreach (var item in buffer)
{
writer.WriteInt16(item);
}
}
}
}
/// <summary>
/// Processes original data and writes processed data into output writer.
/// </summary>
/// <param name="writer">Endianness-aware binary writer.</param>
public void Process(
TinyBinaryWriter writer)
{
using (var stream = new MemoryStream(_fontResouce, false))
using (var reader = new BinaryReader(stream))
{
// CLR_GFX_FontDescription
{
// CLR_GFX_FontMetrics
writer.WriteUInt16(reader.ReadUInt16()); // CLR_GFX_FontMetrics.m_height
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_offset
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_ascent
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_descent
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_internalLeading
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_externalLeading
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_aveCharWidth
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_aveCharWidth
}
var rangesCount = reader.ReadInt16();
writer.WriteInt16(rangesCount); // CLR_GFX_FontDescription.m_ranges
var charactersCount = reader.ReadInt16();
writer.WriteInt16(charactersCount); // CLR_GFX_FontDescription.m_characters
var flags = reader.ReadInt16();
writer.WriteInt16(flags); // CLR_GFX_FontDescription.m_flags
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontDescription.m_pad
// CLR_GFX_BitmapDescription
var width = reader.ReadUInt32();
writer.WriteUInt32(width); // CLR_GFX_BitmapDescription.m_width
var height = reader.ReadUInt32();
writer.WriteUInt32(height); // CLR_GFX_BitmapDescription.m_height
writer.WriteUInt16(reader.ReadUInt16()); // CLR_GFX_BitmapDescription.m_flags
var bitsPerPixel = reader.ReadByte();
writer.WriteByte(bitsPerPixel); // CLR_GFX_BitmapDescription.m_bitsPerPixel
writer.WriteByte(reader.ReadByte()); // CLR_GFX_BitmapDescription.m_type
for (var i = 0; i <= rangesCount; ++i) // Including sentinel range
{
// CLR_GFX_FontCharacterRange
writer.WriteUInt32(reader.ReadUInt32()); // CLR_GFX_FontCharacterRange.m_indexOfFirstFontCharacter
writer.WriteUInt16(reader.ReadUInt16()); // CLR_GFX_FontCharacterRange.m_firstChar
writer.WriteUInt16(reader.ReadUInt16()); // CLR_GFX_FontCharacterRange.m_lastChar
writer.WriteUInt32(reader.ReadUInt32()); // CLR_GFX_FontCharacterRange.m_rangeOffset
}
for (var i = 0; i <= charactersCount; ++i) // Including sentinel character
{
// CLR_GFX_FontCharacter
writer.WriteUInt16(reader.ReadUInt16()); // CLR_GFX_FontCharacter.m_offset
writer.WriteByte(reader.ReadByte()); // CLR_GFX_FontCharacter.m_marginLeft
writer.WriteByte(reader.ReadByte()); // CLR_GFX_FontCharacter.m_marginRight
}
if (bitsPerPixel == 0)
{
bitsPerPixel = 16; // Native value, rest calculations are same
}
var totalSizeInWords = ((width * bitsPerPixel + 31) / 32) * height;
for (var i = 0; i < totalSizeInWords; ++i)
{
writer.WriteUInt32(reader.ReadUInt32());
}
if ((flags & FLAG_FONT_EX) == FLAG_FONT_EX)
{
// TODO: implement it according original idea if needed
}
while (stream.Position < stream.Length)
{
writer.WriteByte(reader.ReadByte());
}
}
}
private void WriteExceptionsTable()
{
if (!_body.HasExceptionHandlers)
{
return;
}
foreach (var handler in _body.ExceptionHandlers
.OrderBy(item => item.HandlerStart.Offset))
{
switch (handler.HandlerType)
{
case ExceptionHandlerType.Catch:
_writer.WriteUInt16(0x0000);
_writer.WriteUInt16(GetTypeReferenceId(handler.CatchType, 0x8000));
break;
case ExceptionHandlerType.Fault:
_writer.WriteUInt16(0x0001);
_writer.WriteUInt16(0x0000);
break;
case ExceptionHandlerType.Finally:
_writer.WriteUInt16(0x0002);
_writer.WriteUInt16(0x0000);
break;
case ExceptionHandlerType.Filter:
_writer.WriteUInt16(0x0003);
_writer.WriteUInt16((UInt16)handler.FilterStart.Offset);
break;
}
_writer.WriteUInt16((UInt16)handler.TryStart.Offset);
_writer.WriteUInt16((UInt16)handler.TryEnd.Offset);
_writer.WriteUInt16((UInt16)handler.HandlerStart.Offset);
if (handler.HandlerEnd == null)
{
_writer.WriteUInt16((UInt16)_body.Instructions.Last().Offset);
}
else
{
_writer.WriteUInt16((UInt16)handler.HandlerEnd.Offset);
}
}
_writer.WriteByte((Byte)_body.ExceptionHandlers.Count);
}
/// <summary>
/// Processes original data and writes processed data into output writer.
/// </summary>
/// <param name="writer">Endianness-aware binary writer.</param>
public void Process(
TinyBinaryWriter writer)
{
using (var stream = new MemoryStream(_fontResouce, false))
using (var reader = new BinaryReader(stream))
{
// CLR_GFX_FontDescription
{
// CLR_GFX_FontMetrics
writer.WriteUInt16(reader.ReadUInt16()); // CLR_GFX_FontMetrics.m_height
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_offset
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_ascent
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_descent
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_internalLeading
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_externalLeading
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_aveCharWidth
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontMetrics.m_aveCharWidth
}
var rangesCount = reader.ReadInt16();
writer.WriteInt16(rangesCount); // CLR_GFX_FontDescription.m_ranges
var charactersCount = reader.ReadInt16();
writer.WriteInt16(charactersCount); // CLR_GFX_FontDescription.m_characters
var flags = reader.ReadInt16();
writer.WriteInt16(flags); // CLR_GFX_FontDescription.m_flags
writer.WriteInt16(reader.ReadInt16()); // CLR_GFX_FontDescription.m_pad
// CLR_GFX_BitmapDescription
var width = reader.ReadUInt32();
writer.WriteUInt32(width); // CLR_GFX_BitmapDescription.m_width
var height = reader.ReadUInt32();
writer.WriteUInt32(height); // CLR_GFX_BitmapDescription.m_height
writer.WriteUInt16(reader.ReadUInt16()); // CLR_GFX_BitmapDescription.m_flags
var bitsPerPixel = reader.ReadByte();
writer.WriteByte(bitsPerPixel); // CLR_GFX_BitmapDescription.m_bitsPerPixel
writer.WriteByte(reader.ReadByte()); // CLR_GFX_BitmapDescription.m_type
for (var i = 0; i <= rangesCount; ++i) // Including sentinel range
{
// CLR_GFX_FontCharacterRange
writer.WriteUInt32(reader.ReadUInt32()); // CLR_GFX_FontCharacterRange.m_indexOfFirstFontCharacter
writer.WriteUInt16(reader.ReadUInt16()); // CLR_GFX_FontCharacterRange.m_firstChar
writer.WriteUInt16(reader.ReadUInt16()); // CLR_GFX_FontCharacterRange.m_lastChar
writer.WriteUInt32(reader.ReadUInt32()); // CLR_GFX_FontCharacterRange.m_rangeOffset
}
for (var i = 0; i <= charactersCount; ++i) // Including sentinel character
{
// CLR_GFX_FontCharacter
writer.WriteUInt16(reader.ReadUInt16()); // CLR_GFX_FontCharacter.m_offset
writer.WriteByte(reader.ReadByte()); // CLR_GFX_FontCharacter.m_marginLeft
writer.WriteByte(reader.ReadByte()); // CLR_GFX_FontCharacter.m_marginRight
}
if (bitsPerPixel == 0)
{
bitsPerPixel = 16; // Native value, rest calculations are same
}
var totalSizeInWords = ((width * bitsPerPixel + 31) / 32) * height;
for (var i = 0; i < totalSizeInWords; ++i)
{
writer.WriteUInt32(reader.ReadUInt32());
}
if ((flags & FLAG_FONT_EX) == FLAG_FONT_EX)
{
// TODO: implement it according original idea if needed
}
while (stream.Position < stream.Length)
{
writer.WriteByte(reader.ReadByte());
}
}
}
/// <summary>
/// Writes string reference ID related to passed string value into output stream.
/// </summary>
/// <param name="writer">Target binary writer for writing reference ID.</param>
/// <param name="value">String value for obtaining reference and writing.</param>
protected void WriteStringReference(
TinyBinaryWriter writer,
String value)
{
writer.WriteUInt16(GetOrCreateStringId(value));
}
