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 PatchRawCode (ByteBuffer buffer, int code_size, CodeWriter writer) { var metadata = writer.metadata; buffer.WriteBytes (ReadBytes (code_size)); var end = buffer.position; buffer.position -= code_size; while (buffer.position < end) { OpCode opcode; var il_opcode = buffer.ReadByte (); if (il_opcode != 0xfe) { opcode = OpCodes.OneByteOpCode [il_opcode]; } else { var il_opcode2 = buffer.ReadByte (); opcode = OpCodes.TwoBytesOpCode [il_opcode2]; } switch (opcode.OperandType) { case OperandType.ShortInlineI: case OperandType.ShortInlineBrTarget: case OperandType.ShortInlineVar: case OperandType.ShortInlineArg: buffer.position += 1; break; case OperandType.InlineVar: case OperandType.InlineArg: buffer.position += 2; break; case OperandType.InlineBrTarget: case OperandType.ShortInlineR: case OperandType.InlineI: buffer.position += 4; break; case OperandType.InlineI8: case OperandType.InlineR: buffer.position += 8; break; case OperandType.InlineSwitch: var length = buffer.ReadInt32 (); buffer.position += length * 4; break; case OperandType.InlineString: var @string = GetString (new MetadataToken (buffer.ReadUInt32 ())); buffer.position -= 4; buffer.WriteUInt32 ( new MetadataToken ( TokenType.String, metadata.user_string_heap.GetStringIndex (@string)).ToUInt32 ()); break; case OperandType.InlineSig: var call_site = GetCallSite (new MetadataToken (buffer.ReadUInt32 ())); buffer.position -= 4; buffer.WriteUInt32 (writer.GetStandAloneSignature (call_site).ToUInt32 ()); break; case OperandType.InlineTok: case OperandType.InlineType: case OperandType.InlineMethod: case OperandType.InlineField: var provider = reader.LookupToken (new MetadataToken (buffer.ReadUInt32 ())); buffer.position -= 4; buffer.WriteUInt32 (metadata.LookupToken (provider).ToUInt32 ()); break; } } }
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 PatchRawCode(ByteBuffer buffer, int code_size, CodeWriter writer) { var metadata = writer.metadata; buffer.WriteBytes(ReadBytes(code_size)); var end = buffer.position; buffer.position -= code_size; while (buffer.position < end) { OpCode opcode; var il_opcode = buffer.ReadByte(); if (il_opcode != 0xfe) { opcode = OpCodes.OneByteOpCode [il_opcode]; } else { var il_opcode2 = buffer.ReadByte(); opcode = OpCodes.TwoBytesOpCode [il_opcode2]; } switch (opcode.OperandType) { case OperandType.ShortInlineI: case OperandType.ShortInlineBrTarget: case OperandType.ShortInlineVar: case OperandType.ShortInlineArg: buffer.position += 1; break; case OperandType.InlineVar: case OperandType.InlineArg: buffer.position += 2; break; case OperandType.InlineBrTarget: case OperandType.ShortInlineR: case OperandType.InlineI: buffer.position += 4; break; case OperandType.InlineI8: case OperandType.InlineR: buffer.position += 8; break; case OperandType.InlineSwitch: var length = buffer.ReadInt32(); buffer.position += length * 4; break; case OperandType.InlineString: var @string = GetString(new MetadataToken(buffer.ReadUInt32())); buffer.position -= 4; buffer.WriteUInt32( new MetadataToken( TokenType.String, metadata.user_string_heap.GetStringIndex(@string)).ToUInt32()); break; case OperandType.InlineSig: var call_site = GetCallSite(new MetadataToken(buffer.ReadUInt32())); buffer.position -= 4; buffer.WriteUInt32(writer.GetStandAloneSignature(call_site).ToUInt32()); break; case OperandType.InlineTok: case OperandType.InlineType: case OperandType.InlineMethod: case OperandType.InlineField: var provider = reader.LookupToken(new MetadataToken(buffer.ReadUInt32())); buffer.position -= 4; buffer.WriteUInt32(metadata.LookupToken(provider).ToUInt32()); break; } } }