From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: ulm@gentoo.org, 18784@debbugs.gnu.org
Subject: bug#18784: Coultdn't compile emacs-24.4
Date: Mon, 16 Mar 2015 21:34:34 +0200 [thread overview]
Message-ID: <83pp88zqgl.fsf@gnu.org> (raw)
In-Reply-To: <jwvh9tk7oi4.fsf-monnier+emacsbugs@gnu.org>
> From: Stefan Monnier <monnier@IRO.UMontreal.CA>
> Cc: ulm@gentoo.org, 18784@debbugs.gnu.org
> Date: Mon, 16 Mar 2015 15:06:22 -0400
>
> > I think we don't really understand why this bug happens. At least I
> > have no clear idea of how PIE can cause temacs segfault.
>
> I guess if PIE is used in order to place Emacs's code at randomized
> addresses (different address every time an Emacs process is launched),
> it can break the dump because our subr objects will end up with pointers
> to addresses that aren't valid any more (might be other such problems,
> but that's the first that comes to my mind).
Then this is only an issue on systems where PIE == address
randomization, isn't it?
next prev parent reply other threads:[~2015-03-16 19:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-21 11:52 bug#18784: Coultdn't compile emacs-24.4 Gangræna Gorgeous
2014-10-21 15:16 ` Eli Zaretskii
2014-10-21 15:49 ` David Engster
2015-03-13 19:54 ` Glenn Morris
2015-03-13 20:43 ` Ulrich Mueller
2015-03-13 21:09 ` Ulrich Mueller
2015-03-13 23:25 ` Stefan Monnier
2015-03-16 9:16 ` Ulrich Mueller
2015-03-16 13:09 ` Stefan Monnier
2015-03-16 16:18 ` Eli Zaretskii
2015-03-16 18:19 ` Stefan Monnier
2015-03-16 18:29 ` Eli Zaretskii
2015-03-16 19:06 ` Stefan Monnier
2015-03-16 19:34 ` Eli Zaretskii [this message]
2015-03-16 20:04 ` Ulrich Mueller
2015-03-16 20:29 ` Stefan Monnier
2015-03-29 12:19 ` Ulrich Mueller
2015-04-03 11:45 ` Ulrich Mueller
2015-03-16 16:26 ` Ulrich Mueller
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