GDB COMMANDS ============ qemu must be started with "-s" option (shorthand for "-gdb tcp::1234") source gdbscript file MemtestEfi.efi || load file info files || get Entry point + sections file || unload files b CoreHandleProtocol | or OutputString target remote localhost:1234 c bt || print back_trace of all stack frames stop || stop program until it reaches a different source line list || list specified function or line