void PatchRawFatMethod(ByteBuffer buffer, MethodSymbols symbols, CodeWriter writer, out MetadataToken local_var_token) { var flags = ReadUInt16(); buffer.WriteUInt16(flags); buffer.WriteUInt16(ReadUInt16()); symbols.code_size = ReadInt32(); buffer.WriteInt32(symbols.code_size); local_var_token = ReadToken(); if (local_var_token.RID > 0) { var variables = symbols.variables = ReadVariables(local_var_token); buffer.WriteUInt32(variables != null ? writer.GetStandAloneSignature(symbols.variables).ToUInt32() : 0); } else buffer.WriteUInt32(0); PatchRawCode(buffer, symbols.code_size, writer); if ((flags & 0x8) != 0) PatchRawSection(buffer, writer.metadata); }
void PatchRawSmallSection(ByteBuffer buffer, MetadataBuilder metadata) { var length = ReadByte(); buffer.WriteByte(length); Advance(2); buffer.WriteUInt16(0); var count = length / 12; PatchRawExceptionHandlers(buffer, metadata, count, false); }
void PatchRawExceptionHandlers(ByteBuffer buffer, MetadataBuilder metadata, int count, bool fat_entry) { const int fat_entry_size = 16; const int small_entry_size = 6; for (int i = 0; i < count; i++) { ExceptionHandlerType handler_type; if (fat_entry) { var type = ReadUInt32(); handler_type = (ExceptionHandlerType)(type & 0x7); buffer.WriteUInt32(type); } else { var type = ReadUInt16(); handler_type = (ExceptionHandlerType)(type & 0x7); buffer.WriteUInt16(type); } buffer.WriteBytes(ReadBytes(fat_entry ? fat_entry_size : small_entry_size)); switch (handler_type) { case ExceptionHandlerType.Catch: var exception = reader.LookupToken(ReadToken()); buffer.WriteUInt32(metadata.LookupToken(exception).ToUInt32()); break; default: buffer.WriteUInt32(ReadUInt32()); break; } } }