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From: Fabrice Popineau <fabrice.popineau@gmail.com>
To: emacs-devel@gnu.org
Subject: Re: Removal of unexec support from glibc malloc
Date: Tue, 19 Jan 2016 20:37:38 +0000 (UTC)	[thread overview]
Message-ID: <loom.20160119T213123-558@post.gmane.org> (raw)
In-Reply-To: 837fj5d0ie.fsf@gnu.org

Eli Zaretskii <eliz <at> gnu.org> writes:

> 
> > From: Ali Bahrami <ali_gnu2 <at> emvision.com>
> > Date: Mon, 18 Jan 2016 15:45:50 -0700
> > 

> > Unexec is complicated, and it is a problem for alternative non-brk
> > based mallocs, or ASLR. One of the strong design points of emacs is
> > its use of a minimal and simple C core, with the system largely 
written
> > in lisp. Losing unexec would leave an even simpler core.
> 
> We are not wedded to unexec in any kind, including the Catholic kind.
> It is here because (a) it "just works" and breaks only very rarely,
> and, most importantly, (b) no one has stepped forward with code to
> replace it on a VCS branch where one could checkout the results and
> see how clean the code is how well it works in practice.
> 

A portable dumper would solve the unexec issue.

There was an attempt at porting the XEmacs portable dumper to GNU Emacs 
long ago:
http://www.sodan.org/~knagano/emacs/pdump/

The topic is recurrent:
https://lists.gnu.org/archive/html/bug-gnu-emacs/2015-06/msg00771.html
https://lists.gnu.org/archive/html/bug-gnu-emacs/2015-06/msg00781.html

Fabrice




  reply	other threads:[~2016-01-19 20:37 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-18 12:33 Removal of unexec support from glibc malloc Florian Weimer
2016-01-18 19:20 ` John Wiegley
2016-01-18 20:27   ` Florian Weimer
2016-01-19 13:52     ` Should Glibc API be changed? Richard Stallman
2016-01-19 16:40       ` Florian Weimer
2016-01-20  2:56         ` Richard Stallman
2016-01-20 17:07           ` Florian Weimer
2016-01-23  5:56     ` Removal of unexec support from glibc malloc Stefan Monnier
2016-01-26 22:08       ` Florian Weimer
2016-01-18 22:45   ` Ali Bahrami
2016-01-18 23:45     ` John Wiegley
2016-01-19  0:45     ` Wolfgang Jenkner
2016-01-19  0:56       ` Ali Bahrami
2016-01-19  1:14     ` Dmitry Gutov
2016-01-19  1:44       ` Ken Raeburn
2016-01-19  1:59         ` Dmitry Gutov
2016-01-19  3:10           ` Ken Raeburn
2016-01-19  3:17             ` Dmitry Gutov
2016-01-19  7:03         ` Florian Weimer
2016-01-19  8:36           ` Ken Raeburn
2016-01-19 16:42           ` Eli Zaretskii
2016-01-19  1:45       ` Ali Bahrami
2016-01-19  2:03         ` Dmitry Gutov
2016-01-19 16:04         ` Eli Zaretskii
2016-01-20  2:57           ` Richard Stallman
2016-01-20  7:43             ` David Caldwell
2016-01-20  9:35               ` Eli Zaretskii
2016-01-21  3:01                 ` Richard Stallman
2016-01-21  3:00               ` Richard Stallman
2016-01-19 15:58     ` Eli Zaretskii
2016-01-19 20:37       ` Fabrice Popineau [this message]
2016-01-20  2:56         ` Richard Stallman
2016-01-23 13:51           ` Michael Sperber
2016-01-23 20:36             ` Marcus Crestani
2016-01-19 23:53   ` Sam Steingold
2016-01-18 19:24 ` Paul Eggert
2016-01-18 19:30   ` John Wiegley
2016-01-18 19:47     ` Daniel Colascione
2016-01-18 19:54       ` Zack Weinberg
2016-01-18 19:55         ` Daniel Colascione
2016-01-18 22:27           ` Joseph Myers
2016-01-18 23:16             ` Florian Weimer
2016-01-18 19:50     ` Paul Eggert
2016-01-18 19:54       ` Daniel Colascione
2016-01-18 20:02       ` Eli Zaretskii
2016-01-18 20:05         ` Daniel Colascione
2016-01-18 22:10           ` Philipp Stephani
2016-01-18 22:12             ` Daniel Colascione
2016-01-18 22:36               ` Óscar Fuentes
2016-01-23  5:50               ` Stefan Monnier
2016-01-18 20:24         ` Wolfgang Jenkner
2016-01-18 20:29           ` Eli Zaretskii
2016-01-18 20:36             ` Wolfgang Jenkner
2016-01-18 22:42           ` Paul Eggert
2016-01-18 23:23             ` Florian Weimer
2016-01-19  6:31               ` Paul Eggert
2016-01-19  9:27                 ` Florian Weimer
2016-01-19 10:14                   ` Florian Weimer
2016-01-19 13:27                 ` Wolfgang Jenkner
2016-01-19 16:58                   ` Eli Zaretskii
2016-01-30  9:38                 ` Paul Eggert
2016-01-18 22:44       ` Florian Weimer
2016-01-19  3:48         ` Eli Zaretskii
2016-01-23  5:49           ` Stefan Monnier
2016-01-23  7:00             ` Eli Zaretskii
2016-01-23 15:29               ` Stefan Monnier
2016-01-23 15:50                 ` Eli Zaretskii
2016-01-23 22:19                   ` Stefan Monnier
2016-01-23 22:52               ` Richard Stallman
2016-01-26 22:17                 ` Florian Weimer
2016-01-27  1:32                   ` Stefan Monnier
2016-01-27  3:38                   ` Eli Zaretskii
2016-01-27  9:04                     ` Florian Weimer
2016-01-27 16:02                       ` Eli Zaretskii
2016-01-27 22:54                     ` Richard Stallman
2016-01-27 22:52                   ` Richard Stallman
2016-01-18 23:15   ` Florian Weimer

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