Книга: Embedded Linux Primer: A Practical, Real-World Approach

15.5.1. Debugging via Serial Port

15.5.1. Debugging via Serial Port

Debugging via serial port is quite straightforward. Of course, you must have a serial port available on your target that is not being used by another process, such as a serial console. The same limitation applies to your host. A serial port must be available. If both of these conditions can be met, simply replace the IP:Port specification passed to gdbserver with a serial port specification. Use the same technique when connecting to your target from your host-based GDB.

On your target:

root@coyote:/workspace # gdbserver /dev/ttyS0 ./tdemo
Process ./tdemo created; pid = 698
Remote debugging using /dev/ttyS0

From your host:

$ xscale_be-gdb -q tdemo
(gdb) target remote /dev/ttyS1
Remote debugging using /dev/ttyS1
0x40000790 in ?? ()

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