From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#23529: Request for fixing randomize_va_space build issues Date: Wed, 07 Sep 2016 20:10:27 +0300 Message-ID: <83eg4vab5o.fsf@gnu.org> References: <573C2601.3030308@cs.ucla.edu> <54b89449-083a-a906-986a-f284dbbf482a@cs.ucla.edu> <02c57124-ef39-bc30-89ba-998986d070fc@cs.ucla.edu> <834m5tapuu.fsf@gnu.org> <83twdsalbk.fsf@gnu.org> <83r38vaiyh.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1473268344 11432 195.159.176.226 (7 Sep 2016 17:12:24 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 7 Sep 2016 17:12:24 +0000 (UTC) Cc: p.stephani2@gmail.com, philippe.vaucher@gmail.com, 23529@debbugs.gnu.org To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Sep 07 19:12:18 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bhgOW-0002FN-2b for geb-bug-gnu-emacs@m.gmane.org; Wed, 07 Sep 2016 19:12:16 +0200 Original-Received: from localhost ([::1]:42133 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhgOT-0005FU-U1 for geb-bug-gnu-emacs@m.gmane.org; Wed, 07 Sep 2016 13:12:13 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44342) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhgON-0005FA-CH for bug-gnu-emacs@gnu.org; Wed, 07 Sep 2016 13:12:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bhgOJ-0001ZQ-45 for bug-gnu-emacs@gnu.org; Wed, 07 Sep 2016 13:12:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:55141) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhgOJ-0001ZM-0V for bug-gnu-emacs@gnu.org; Wed, 07 Sep 2016 13:12:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bhgOI-0005Xk-Ec for bug-gnu-emacs@gnu.org; Wed, 07 Sep 2016 13:12:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 07 Sep 2016 17:12:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 23529 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 23529-submit@debbugs.gnu.org id=B23529.147326826921249 (code B ref 23529); Wed, 07 Sep 2016 17:12:02 +0000 Original-Received: (at 23529) by debbugs.gnu.org; 7 Sep 2016 17:11:09 +0000 Original-Received: from localhost ([127.0.0.1]:52852 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bhgNR-0005Wf-IQ for submit@debbugs.gnu.org; Wed, 07 Sep 2016 13:11:09 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:53241) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bhgNP-0005WH-DX for 23529@debbugs.gnu.org; Wed, 07 Sep 2016 13:11:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bhgNH-0001Qi-3W for 23529@debbugs.gnu.org; Wed, 07 Sep 2016 13:11:02 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:45058) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhgNH-0001QZ-0B; Wed, 07 Sep 2016 13:10:59 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2195 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bhgND-00084m-1G; Wed, 07 Sep 2016 13:10:57 -0400 In-reply-to: (message from Paul Eggert on Wed, 7 Sep 2016 09:11:31 -0700) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:123064 Archived-At: > Cc: p.stephani2@gmail.com, philippe.vaucher@gmail.com, 23529@debbugs.gnu.org > From: Paul Eggert > Date: Wed, 7 Sep 2016 09:11:31 -0700 > > >> Another example: on hardened platforms with PIEs > >> (position-independent executables), you get a PIE for free as the > >> dumped executable, instead of having to disable PIE as we do now. > > > > I'm not sure how PIE is relevant: the stuff we dump, and need to load > > into a running Emacs, is data, not code. What am I missing? > > PIE can relocate data as well as code. Since we will be reading data into existing variables, that would happen automatically. > And with modules, we also have code to dump. ??? What do you mean by that? Modules cannot be preloaded, AFAIK.