From: Olivier Hainque <hainque@adacore.com>
To: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Cc: Olivier Hainque <hainque@adacore.com>, gcc-patches@gcc.gnu.org
Subject: Re: unwinding fallback for mips-irix6 n32
Date: Thu, 16 Jun 2011 13:10:00 -0000 [thread overview]
Message-ID: <20110616125514.GA21634@mel.act-europe.fr> (raw)
In-Reply-To: <yddaadqaqxs.fsf@manam.CeBiTec.Uni-Bielefeld.DE>
Hi Rainer,
Rainer Orth wrote:
> I've finally gotten around to this. Apart from some comment and code
> cleanups along the lines of the sol2-unwind.h files, I had to minimally
> adapt the N32 multithreaded code sequence for IRIX 6.5.30 that I'm
> running here. While I was at it, I added N64 support which proved to be
> almost trivial. You'll probably have to adapt this for the version of
> IRIX 6.5 you're running, or we could simply skip the single varying
> insn.
Either way is fine with me. There's a micro stronger confidence
in exact matches, but this could lead to spurious propagation failures
on other variants of the OS where a third version of that insn
could show up while still part of a valid context.
> With this patch, a couple of gnat.dg tests are fixed:
Nice :)
> 64-bit stack_check2.adb remains broken, though. It SEGVs in memcpy, but
> the stack is corrupted, so I cannot say yet what's going on.
>
> I'll run a full bootstrap over the weekend. It seems that the remaining
> libjava failures are unrelated.
OK ...
> I may backport this to the 4.6 branch after some time (trivial apart
> from the gcc -> libgcc move). I will only try 4.5 if I manage to add
> O32 support. This might be a non-trivial excercise since the libc
> implementation is quite different.
Understood;
> Thanks for providing the patch.
My pleasure. Thanks a lot for your work over it and feedback, much
appreciated.
Cheers,
Olivier
next prev parent reply other threads:[~2011-06-16 12:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-26 20:53 Olivier Hainque
2011-06-10 11:16 ` Rainer Orth
2011-06-16 13:10 ` Olivier Hainque [this message]
2011-06-17 13:57 ` Rainer Orth
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