From: Angelo Graziosi <angelo.graziosi@alice.it>
To: Paul Eggert <eggert@cs.ucla.edu>,
Fabrice Popineau <fabrice.popineau@centralesupelec.fr>
Cc: Emacs developers <emacs-devel@gnu.org>
Subject: Re: Building Emacs on WSL
Date: Wed, 21 Dec 2016 09:54:57 +0100 [thread overview]
Message-ID: <832e22e4-a460-5e48-9ae0-3e4be2c86500@alice.it> (raw)
In-Reply-To: <fb2fab91-1a03-f62e-b39c-bf992cf3e701@cs.ucla.edu>
Hmmm...
Il 21/12/2016 04:20, Paul Eggert ha scritto:
>
> I see my test program didn't output enough info, and had a typo. Could
> you please try the attached one instead? On Ubuntu 16.04.1 x86-64, this
> new program outputs:
>
> personality (0xffffffff) returns 0x0, errno=0 (Success)
> ADDR_NO_RANDOMIZE was clear
> personality (pers0 | ADDR_NO_RANDOMIZE) returns 0x0, errno=0 (Success)
> ADDR_NO_RANDOMIZE set successfully
> personality (0xffffffff) returns 0x40000, errno=0 (Success)
$ gcc -std=gnu11 -g3 -O2 personality.c -o personality
$ ./personality
personality (0xffffffff) returns 0x0, errno=0 (Success)
ADDR_NO_RANDOMIZE was clear
personality (pers0 | ADDR_NO_RANDOMIZE) returns 0x0, errno=0 (Success)
ADDR_NO_RANDOMIZE set successfully
personality (0xffffffff) returns 0x0, errno=0 (Success)
pers2 != (pers0 | ADDR_NO_RANDOMIZE) ?
>
> and when run under GDB, it outputs:
>
> personality (0xffffffff) returns 0x40000, errno=0 (Success)
> ADDR_NO_RANDOMIZE was set
$ gdb ./personality
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
[...]
(gdb) run
Starting program: /home/angelog/work/ports-packages/emacs/personality
warning: Error disabling address space randomization: Successo
warning: linux_ptrace_test_ret_to_nx: PTRACE_KILL waitpid returned -1:
Chiamata di sistema interrotta
personality (0xffffffff) returns 0x0, errno=0 (Success)
ADDR_NO_RANDOMIZE was clear
personality (pers0 | ADDR_NO_RANDOMIZE) returns 0x0, errno=0 (Success)
ADDR_NO_RANDOMIZE set successfully
personality (0xffffffff) returns 0x0, errno=0 (Success)
pers2 != (pers0 | ADDR_NO_RANDOMIZE) ?
[Inferior 1 (process 72) exited normally]
(gdb) q
which looks a bit different...
Ciao,
Angelo.
next prev parent reply other threads:[~2016-12-21 8:54 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-11 17:42 Building Emacs on WSL Angelo Graziosi
2016-12-16 15:05 ` Angelo Graziosi
2016-12-16 15:30 ` Eli Zaretskii
2016-12-16 17:48 ` Paul Eggert
2016-12-16 21:05 ` Eli Zaretskii
2016-12-17 1:00 ` Angelo Graziosi
2016-12-17 8:02 ` Eli Zaretskii
2016-12-17 8:33 ` Angelo Graziosi
2016-12-17 10:55 ` Eli Zaretskii
2016-12-17 14:25 ` Eli Zaretskii
2016-12-17 15:46 ` Angelo Graziosi
2016-12-20 12:20 ` Fabrice Popineau
2016-12-20 12:40 ` Fabrice Popineau
2016-12-20 19:35 ` Paul Eggert
2016-12-20 20:03 ` Fabrice Popineau
2016-12-20 23:59 ` Angelo Graziosi
2016-12-21 3:20 ` Paul Eggert
2016-12-21 8:54 ` Angelo Graziosi [this message]
2016-12-21 18:00 ` Paul Eggert
2016-12-21 20:50 ` Angelo Graziosi
2016-12-20 20:57 ` Angelo Graziosi
2016-12-21 9:00 ` Angelo Graziosi
2016-12-21 10:29 ` Fabrice Popineau
2016-12-20 21:19 ` Angelo Graziosi
2016-12-20 22:01 ` Fabrice Popineau
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