Method DefineElfSymbol

view/elf/elfview.cpp:2454–2566

void ElfView::DefineElfSymbol(BNSymbolType type, const string& incomingName, uint64_t addr, bool gotEntry,
	BNSymbolBinding binding, size_t size, Ref<Type> typeObj)
{
	// Ensure symbol is within the executable
	if (type != ExternalSymbol && !IsValidOffset(addr))
		return;

	string name = incomingName;
	Ref<Type> symbolTypeRef;
	if ((type == ExternalSymbol) || (type == ImportAddressSymbol) || (type == ImportedDataSymbol))
	{
		QualifiedName n(name);
		Ref<TypeLibrary> lib = nullptr;
		symbolTypeRef = ImportTypeLibraryObject(lib, n);
		if (symbolTypeRef)
		{
			m_logger->LogDebug("elf: type Library '%s' found hit for '%s'", lib->GetName().c_str(), name.c_str());
			if (type != ExternalSymbol || addr != 0)
			{
				RecordImportedObjectLibrary(GetDefaultPlatform(), addr, lib, n);
			}
		}
	}

	auto pos = name.rfind("@@");
	if (type == ExternalSymbol && pos != string::npos)
	{
		name = name.substr(0, pos);
	}

	pos = name.rfind("@GLIBC");
	if (type == ExternalSymbol && pos != string::npos)
	{
		name = name.substr(0, pos);
	}

	pos = name.rfind("@CXXABI");
	if (type == ExternalSymbol && pos != string::npos)
	{
		name = name.substr(0, pos);
	}


	// Deprioritize local label symbol names
	if (type == DataSymbol && binding == LocalBinding && !name.empty() && name[0] == '.')
	{
		type = LocalLabelSymbol;
	}

	// If name is empty, symbol is not valid
	if (name.size() == 0)
		return;

	if (!symbolTypeRef)
		symbolTypeRef = typeObj;

	if (gotEntry)
		m_gotEntryLocations.emplace(addr);