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Re: [RFA] Wrong inner_frame sanity check with signal frame and -fstack-check

From: Joel Brobecker <brobecker at adacore dot com>
To: Mark Kettenis <mark dot kettenis at xs4all dot nl>
Cc: gdb-patches at sourceware dot org
Date: Tue, 17 Mar 2009 13:27:40 -0400
Subject: Re: [RFA] Wrong inner_frame sanity check with signal frame and -fstack-check
References: <20090313005019.GJ8386@adacore.com> <200903131044.n2DAi9CA012680@brahms.sibelius.xs4all.nl>

> > 2009-03-12  Joel Brobecker  <brobecker@adacore.com>
> > 
> >         * frame.c (get_prev_frame_1): Do not perform the inner_frame
> >         sanity check if this_frame is not NORMAL.
> >         (frame_id_inner): Update the description of this function.

> I think it is reasonable.  Most UNIXy systems have sigaltstack(),
> which allows one to specify an alternate stack to run signal handlers
> on (which Ada uses I presume).  I've sometimes wondered how to handle
> that properly, but decided not to worry about this until people
> actually reported a problem with it.

Thanks a lot, Mark. I just checked the patch in.

-- 
Joel

References:
- [RFA] Wrong inner_frame sanity check with signal frame and -fstack-check
  - From: Joel Brobecker
- Re: [RFA] Wrong inner_frame sanity check with signal frame and -fstack-check
  - From: Mark Kettenis

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