Method LoadProtocols

objectivec/objc.cpp:650–775

}

void ObjCProcessor::LoadProtocols(ObjCReader* reader, Ref<Section> listSection)
{
	if (!listSection)
		return;
	auto size = listSection->GetEnd() - listSection->GetStart();
	if (size == 0)
		return;
	auto ptrSize = m_data->GetAddressSize();

	auto listSectionStart = listSection->GetStart();
	auto listSectionEnd = listSection->GetEnd();

	auto protocolType = Type::NamedType(m_data, m_typeNames.protocol);
	auto ptrType = Type::PointerType(m_data->GetDefaultArchitecture(), protocolType);
	for (size_t i = listSectionStart; i < listSectionEnd; i += ptrSize)
	{
		protocol_t protocol;
		reader->Seek(i);
		auto protocolLocation = ReadPointerAccountingForRelocations(reader);
		reader->Seek(protocolLocation);

		try
		{
			protocol.isa = ReadPointerAccountingForRelocations(reader);
			protocol.mangledName = ReadPointerAccountingForRelocations(reader);
			protocol.protocols = ReadPointerAccountingForRelocations(reader);
			protocol.instanceMethods = ReadPointerAccountingForRelocations(reader);
			protocol.classMethods = ReadPointerAccountingForRelocations(reader);
			protocol.optionalInstanceMethods = ReadPointerAccountingForRelocations(reader);
			protocol.optionalClassMethods = ReadPointerAccountingForRelocations(reader);
			protocol.instanceProperties = ReadPointerAccountingForRelocations(reader);
		}
		catch (...)
		{
			m_logger->LogError("Failed to read protocol pointed to by 0x%llx", i);
			continue;
		}

		std::string protocolName;
		try
		{
			reader->Seek(protocol.mangledName);
			protocolName = reader->ReadCString();
			DefineObjCSymbol(BNSymbolType::DataSymbol,
				Type::ArrayType(Type::IntegerType(1, true), protocolName.size() + 1), "protocolName_" + protocolName,
				protocol.mangledName, true);
		}
		catch (...)
		{
			m_logger->LogError(
				"Failed to read protocol name for protocol at 0x%llx. Using base address as stand-in protocol name",
				protocolLocation);
			protocolName = std::to_string(protocolLocation);
		}

		Protocol protocolClass;
		protocolClass.name = protocolName;
		DefineObjCSymbol(BNSymbolType::DataSymbol, ptrType, "protocolPtr_" + protocolName, i, true);