From: Daniel Jacobowitz <dan@debian.org>
To: Ralf Baechle <ralf@linux-mips.org>
Cc: David Daney <ddaney@caviumnetworks.com>,
Brian Foster <brian.foster@innova-card.com>,
"Maciej W. Rozycki" <macro@codesourcery.com>,
linux-mips@linux-mips.org, libc-ports@sourceware.org,
"Maciej W. Rozycki" <macro@linux-mips.org>
Subject: Re: [PATCH, RFC] MIPS: Implement the getcontext API
Date: Thu, 2 Apr 2009 16:06:56 -0400 [thread overview]
Message-ID: <20090402200656.GA15821@caradoc.them.org> (raw)
In-Reply-To: <20090402132936.GB15021@linux-mips.org>
On Thu, Apr 02, 2009 at 03:29:36PM +0200, Ralf Baechle wrote:
> To maintaine compatibility with old debuggers and possibly other software
> that knows about the stackframe layout I wrote the signal code to only
> use the larger alignment of the stackframe if a particular processor
> requires it.
>
> However one possible improvment would be to change the way a struct sigframe
> or rt_sigframe is allocated on the stack such that not the beginning of
> the structure is aligned but the rs_code field is kept aligned. Would
> such a change cause problems for gdb?
If you don't change the internal layout of the structure, I don't
think GDB will even notice - it does not know about the more-aligned variant.
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2009-04-02 20:07 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-01 0:12 [PATCH, RFC] MIPS: Implement the getcontext API Maciej W. Rozycki
2009-03-03 16:56 ` David Daney
2009-03-04 8:19 ` Brian Foster
2009-03-04 12:17 ` Daniel Jacobowitz
2009-03-04 16:36 ` David Daney
2009-04-02 13:29 ` Ralf Baechle
2009-04-02 20:06 ` Daniel Jacobowitz [this message]
2009-03-04 15:44 ` Ralf Baechle
2009-03-04 22:25 ` David VomLehn (dvomlehn)
2009-03-04 22:25 ` David VomLehn (dvomlehn)
2009-03-04 22:34 ` David Daney
2009-03-05 7:58 ` MIPS RI/XI & trampolines [was:- [PATCH, RFC] MIPS: Implement the getcontext API ] Brian Foster
2009-03-05 17:01 ` David Daney
2009-04-02 13:38 ` [PATCH, RFC] MIPS: Implement the getcontext API Ralf Baechle
2009-04-16 3:46 ` Markus Gothe
2009-04-17 5:53 ` Ralf Baechle
2009-03-05 15:34 ` Maciej W. Rozycki
2009-03-05 16:58 ` David Daney
2009-03-05 18:23 ` David VomLehn (dvomlehn)
2009-03-05 18:23 ` David VomLehn (dvomlehn)
2009-03-05 21:36 ` Ralf Baechle
2009-03-05 21:39 ` Roland McGrath
2009-03-05 21:53 ` Joseph S. Myers
2009-03-05 22:08 ` David VomLehn (dvomlehn)
2009-03-05 22:08 ` David VomLehn (dvomlehn)
2009-04-02 13:19 ` Ralf Baechle
2009-04-15 20:19 ` Joseph S. Myers
2009-04-15 21:37 ` David Daney
2009-04-18 12:38 ` Ralf Baechle
2009-04-18 17:32 ` Joseph S. Myers
2009-04-20 19:57 ` Maciej W. Rozycki
2009-04-28 19:17 ` Aurelien Jarno
2009-04-28 19:21 ` Philippe Vachon
2009-04-28 20:19 ` Maciej W. Rozycki
2009-04-28 20:53 ` Aurelien Jarno
2009-04-28 21:47 ` Maciej W. Rozycki
-- strict thread matches above, loose matches on Subject: below --
2009-04-05 18:57 Graziano Sorbaioli
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