From: Daniel Jacobowitz <drow@false.org>
To: Ulrich Weigand <uweigand@de.ibm.com>
Cc: gdb-patches@sourceware.org, bauerman@br.ibm.com
Subject: Re: [rfc] Remove "function descriptor" handling on ppc32
Date: Wed, 14 May 2008 18:16:00 -0000 [thread overview]
Message-ID: <20080514175552.GA12149@caradoc.them.org> (raw)
In-Reply-To: <200805141731.m4EHVCwS018368@d12av02.megacenter.de.ibm.com>
On Wed, May 14, 2008 at 07:31:12PM +0200, Ulrich Weigand wrote:
> Dan,
>
> a while back you installed a patch to make ...convert_from_func_ptr_addr
> handle "secure PLTs" on ppc32; this was apparently based on earlier
> patches by Thiago and Paul:
> http://sourceware.org/ml/gdb-patches/2007-07/msg00068.html
The history of that patch is, as you can see, long and tortuous. I
think I just inherited that part; I can't remember its history.
> The only reason I could imagine where this convert_from_func_ptr_addr
> version would ever apply is that the "...@plt" synthetic symbols used
> to point to those PLT data entries. After the patch Alan just committed,
> this is no longer the case, however -- @plt symbols now point to the
> plt call stubs as well.
This sounds like a plausible explanation to me.
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2008-05-14 17:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-14 18:16 Ulrich Weigand
2008-05-14 18:16 ` Daniel Jacobowitz [this message]
2008-05-14 19:19 ` Thiago Jung Bauermann
2008-05-14 21:27 ` Ulrich Weigand
2008-05-14 22:46 ` Thiago Jung Bauermann
2008-05-14 23:02 ` Ulrich Weigand
2008-05-14 23:02 ` Daniel Jacobowitz
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