From: "Ulrich Weigand" <uweigand@de.ibm.com>
To: emachado@linux.vnet.ibm.com (Edjunior Barbosa Machado)
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH] Fix PLT call stub for ppc64
Date: Wed, 07 Nov 2012 19:21:00 -0000 [thread overview]
Message-ID: <201211071921.qA7JLDSI011279@d06av02.portsmouth.uk.ibm.com> (raw)
In-Reply-To: <1352315215-30592-1-git-send-email-emachado@linux.vnet.ibm.com> from "Edjunior Barbosa Machado" at Nov 07, 2012 05:06:55 PM
Edjunior Machado wrote:
> GDB was unable to 'step' into a c/c++ function from a shared library on ppc64
> due to a change in linker that removes a load
> instruction from the PLT call stub
> (http://sourceware.org/ml/binutils/2011-07/msg00141.html). This patch fixes this
> on GDB, marking the mentioned instruction as optional, since it still might
> appear if the linker is called with '--plt-static-chain'.
Hmm, looking at the binutils patch, it seems to me that the static chain load
in the *other* PLT stubs (ppc64_standard_linkage1, ppc64_standard_linkage2)
should now also be marked as optional, shouldn't it?
Otherwise looks good to me.
Bye,
Ulrich
--
Dr. Ulrich Weigand
GNU Toolchain for Linux on System z and Cell BE
Ulrich.Weigand@de.ibm.com
next prev parent reply other threads:[~2012-11-07 19:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-07 19:07 Edjunior Barbosa Machado
2012-11-07 19:21 ` Ulrich Weigand [this message]
2012-11-07 20:46 ` Edjunior Barbosa Machado
2012-11-08 13:45 ` Ulrich Weigand
2012-11-08 14:28 ` Edjunior Barbosa Machado
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