debugging kernel with remote gdb

[Greg 'groggy' Lehey]

On Saturday, 19 April 2003 at 14:07:36 +0400, Dmitry Sivachenko wrote:
> On Sat, Apr 19, 2003 at 01:22:49PM +0930, Greg 'groggy' Lehey wrote:
>> On Friday, 18 April 2003 at 18:48:30 +0400, Dmitry Sivachenko wrote:
>>> Hello!
>>>
>>> I have two machines: one IA32 running FreeBSD and the other SPARC
>>> running Solaris.  I want to debug FreeBSD kernel using remote gdb.
>>> After reading developers handbook it is unclear whether it is
>>> possible to use my SPARC for that purpose?
>>
>> Theoretically, yes.  In practice, you'll need a version of gdb which
>> understands the ia32 instruction set, and I suspect you'll have to
>> build that yourself.  You might get a more accurate answer on the
>> sparc64 mailing list.
>>
>
> Well, I built gdb to understand i386-freebsd target (using --target
> option).  The problem is that it seems stock gdb does not
> understand '-k' option (for kernel debugging).
>
> May be I am missing something obvious?

I don't think you need the -k option for serial debugging.  It's only
needed for processor dumps, and it's a FreeBSD extension, so you'd
need to port the FreeBSD version of gdb.  Try it and see.

Greg
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