Remote debugging C++ application with Eclipse GUI

I believe that the "C/C++ Remote Application" option uses Eclipse's RDT (Remote Development Tools) and RSE (Remote System Explorer) to connect, upload, execute, and debug the application itself. It

If all you want to do is connect to a gdbserver, then create a "C/C++ Attach to Application" debug configuration, and under the Debugger tab, set Debugger to gdbserver.