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Re: how to debug eCos apps using gdb over TCP?


Kevin Hilman wrote:
Can someone explain how you can debug eCos apps using gdb over TCP?
I'm using serial without any problems but would like to debug on
another board without a serial interface.

From what I can tell in eCos you can only use gdb over a non-blocking
getchar/putchar type interface and I don't see any of the HALs using
sockets for their implementations of HAL_STUB_PLATFORM_[PUT|GET]_CHAR.

Nope, what happens in all modern ports is that virtual vectors are used. That means the GDB stubs interface with a comms channel rather than directly to the HAL. For serial that comms channel will point to HAL functions, for ethernet, it points to special net functions.


I saw some email in the archives that suggested that this can only be
done using RedBoot.  I'm working on a port to a new architecture and
since I haven't ported RedBoot yet, could someone explain how this
works?

Yep, you port RedBoot ;-). Seriously, the TCP debug support is only in RedBoot.


Jifl
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eCosCentric    http://www.eCosCentric.com/    The eCos and RedBoot experts
--[ "You can complain because roses have thorns, or you ]--
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