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Re: minimal stub? (GDB Remote Serial Protocol)
On Friday 23 January 2004 06:06 pm, Vijay Kamarshi wrote:
> Hi all,
>
> I am planning on using GDB to debug a remote processor running a debug
> stub. It is quite concerning to me that the remote protocol document is
> out-of-date. Is it that easy to figure out what the protocol is by
> experimentation? For example if the GDB host sends a stream of commands to
> the remote processor and it mis-interprets the first one, is the host not
> going to just quit on that? That would make the experimentation process
> pretty long!
>
> I am puzzled:
> 1) are there no people out there who have this protocol figured out? I
> would appreciate at least a starting point!
> 2) are all the commands in the remote protocol document out of date or just
> some of them?
>
> Any help would be gratefully received.
>
> -Vijay Kamarshi
> PS: I heard that one way of figuring out this remote protocol is to peer
> deeply into gdbserver, but people have warned me that it is a pretty hairy
> piece of code.
Hi Vijay,
A while back I backported an arm kgdb patch for kernel 2.4.19 to a target
based on kernel 2.2.16 found at:
http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=1335/1
It may be helpful.
Jon