Date: Tue, 11 May 2010 12:22:28 -0400 From: Justin Hibbits <jrh29@alumni.cwru.edu> To: Andreas Tobler <andreast-list@fgznet.ch> Cc: Andreas Tobler <andreastt@gmail.com>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: RFC/H gdb6 port for powerpc Message-ID: <AANLkTinCyPnONZFJXaVA38zS2RNcbkAOzFLw972hZu0l@mail.gmail.com> In-Reply-To: <4AC27BCE.9090502@fgznet.ch> References: <4AC2758A.8030708@fgznet.ch> <fd9cd3450909291413u1077919t545a58a415eba9@mail.gmail.com> <4AC27BCE.9090502@fgznet.ch>
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On Tue, Sep 29, 2009 at 5:27 PM, Andreas Tobler <andreast-list@fgznet.ch>wrote:
> Hi Justin,
>
>
> Justin Hibbits wrote:
>
> Thanks for taking on this port, maybe it'll fix the bug I filed against
>> the base gdb. I'll give it a shot when I get some time to test it. Have
>> you looked at any of the other BSDs for the necessary missing pieces?
>>
>>
> yes, I did, and it was quite irritating to rely either on obsd or nbsd.
> Obsd has a different ABI here, and nbsd too, we, fbsd lack the altivec regs
> in reg(s).h.
>
> My questions are in terms of signal handling and stack unwinding. How do we
> do that, what are the 'correct' entry points etc.
>
> I have to admit, I solved my thunderbird issue :) I could step into the
> functions, even assembler stuff.
>
> But the confusing part is the testsuite which makes me unsure and the fact
> that we do not store/giving access to altivec regs, Nathan?
>
> Thanks for the response,
> Andreas
>
Andreas,
I just finally (8 months - a new record?) got around to testing gdb6 port
with your patches. (Sorry, forgot about it for a while after other things
took priority) I don't know if you're still even interested in working on
this, but here's what I've found: So far most things seem to be working
quite well, the only problem I've found is 'info threads'/thread switching
doesn't work ('info threads' displays nothing, switching throws an error).
Still, it's far better than the base gdb, since that one wouldn't even run
threaded programs.
- Justin
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