The GNU debugger (gdb)

The GNU debugger is a command-line program that provides a very rich set of options.

You'll find a tutorial-style doc called " Using GDB " as an appendix in this manual.

You can invoke gdb by using the following variants, which correspond to your target platform:

For this target: Use this command:
ARM ntoarm-gdb
Intel ntox86-gdb

For more information, see the gdb entry in the Utilities Reference.