file ntoskrnl/ntoskrnl.nostrip.exe #add-symbol-file lib/ntdll/ntdll.dll 0x77f61000 #add-symbol-file lib/kernel32/kernel32.dll 0x77f01000 #add-symbol-file apps/exp/exp.exe 0x401000 #add-symbol-file subsys/csrss/csrss.exe 0x401000 #add-symbol-file subsys/smss/smss.exe 0x401000 break exp.c:254