From: "Ulrich Weigand" <uweigand@de.ibm.com>
To: jan.kratochvil@redhat.com (Jan Kratochvil)
Cc: gdb-patches@sourceware.org
Subject: Re: [rfc] Fix separate debuginfo files on Cell (do not mask off high address bits)
Date: Fri, 05 Mar 2010 19:35:00 -0000 [thread overview]
Message-ID: <201003051935.o25JZb2W011064@d12av02.megacenter.de.ibm.com> (raw)
In-Reply-To: <20100304203153.GA21129@host0.dyn.jankratochvil.net> from "Jan Kratochvil" at Mar 04, 2010 09:31:53 PM
Jan Kratochvil wrote:
> On Thu, 04 Mar 2010 21:01:01 +0100, Ulrich Weigand wrote:
> > when using the Cell/B.E. combined debugger, separate debug objfiles for
> > SPE executables are currently completely broken. This is because the
> > new relocation code now masks off high address bits, corrupting the
> > encoded SPU ID in GDB CORE_ADDR values.
>
> Interesting addr_bit is lower than the valid address width.
Yes, the reason for this is to strip off the SPU ID when converting
address back for output as strings ...
> Yes, it works. I have considered this masking is just no-op now (only
> possibly with the unresolved negative mips32 addresses reported by Daniel J.).
>
>
> No regressions on {x86_64,x86_64-m32,i686}-fedora12-linux-gnu.
Great, thanks for verifying!
I've checked this in to head and 7.1 branch now.
Bye,
Ulrich
--
Dr. Ulrich Weigand
GNU Toolchain for Linux on System z and Cell BE
Ulrich.Weigand@de.ibm.com
prev parent reply other threads:[~2010-03-05 19:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-04 20:01 Ulrich Weigand
2010-03-04 20:32 ` Jan Kratochvil
2010-03-04 20:32 ` Jan Kratochvil
2010-03-05 19:35 ` Ulrich Weigand [this message]
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