From: Florian Weimer <fw@deneb.enyo.de>
To: jkl@miacid.net
Cc: "Joseph S. Myers" <jsm28@cam.ac.uk>,
dewar@gnat.com, Dautrevaux@microprocess.com, paulus@samba.org,
Franz.Sirl-kernel@lauterbach.com, benh@kernel.crashing.org,
gcc@gcc.gnu.org, jtv@xs4all.nl, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.linuxppc.org, minyard@acm.org, rth@redhat.com,
trini@kernel.crashing.org, velco@fadata.bg
Subject: Re: [PATCH] C undefined behavior fix
Date: Sat, 05 Jan 2002 21:51:43 +0100 [thread overview]
Message-ID: <87ell48qsg.fsf@deneb.enyo.de> (raw)
In-Reply-To: <Pine.BSI.4.10.10201051208250.8542-100000@hevanet.com>
In-Reply-To: <Pine.BSI.4.10.10201051208250.8542-100000@hevanet.com> (jkl@miacid.net's message of "Sat, 5 Jan 2002 12:17:24 -0800 (PST)")
jkl@miacid.net writes:
> Forgive me if I haven't been reading the manual carefully enough. Now can
> we please get a straight answer to the question: Does GCC provide the
> ability to turn an arbitrary address into a pointer, and if so how do you
> do it?
If you want to do more than what is permitted according to the
documentation (quoted in the message by Joseph S. Myers you replied
to), you have to use machine code insertions in order to get
deterministic effects. At least this seems to be the consensus so
far.
next prev parent reply other threads:[~2002-01-05 20:52 UTC|newest]
Thread overview: 202+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-03 13:28 [PATCH] C undefined behavior fix dewar
2002-01-04 8:38 ` Florian Weimer
2002-01-04 11:35 ` Joseph S. Myers
2002-01-05 19:25 ` jkl
2002-01-05 19:37 ` Joseph S. Myers
2002-01-05 20:06 ` jkl
2002-01-05 21:42 ` Joseph S. Myers
2002-01-06 4:09 ` Paul Mackerras
2002-01-05 20:01 ` Florian Weimer
2002-01-05 20:17 ` jkl
2002-01-05 20:51 ` Florian Weimer [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-01-10 19:01 Bernard Dautrevaux
2002-01-10 12:18 dewar
2002-01-10 12:37 ` Erik Trulsson
2002-01-10 15:27 ` Florian Weimer
2002-01-10 9:03 Bernard Dautrevaux
2002-01-10 10:40 ` David Weinehall
2002-01-10 4:33 dewar
2002-01-10 2:16 dewar
2002-01-10 1:22 dewar
2002-01-10 1:21 dewar
2002-01-10 4:37 ` Tim Hollebeek
2002-01-09 21:54 dewar
2002-01-09 20:32 dewar
2002-01-09 21:43 ` Paul Koning
2002-01-09 20:08 dewar
2002-01-09 19:53 mike stump
2002-01-09 20:12 ` Paul Koning
2002-01-09 10:42 dewar
2002-01-09 10:41 Bernard Dautrevaux
2002-01-09 21:59 ` Gérard Roudier
2002-01-09 10:40 dewar
2002-01-09 9:06 Bernard Dautrevaux
2002-01-09 9:25 ` Bernd Petrovitsch
2002-01-09 2:18 dewar
2002-01-09 2:13 dewar
2002-01-09 1:51 mike stump
2002-01-09 1:19 dewar
2002-01-09 0:51 dewar
2002-01-08 11:12 Bernard Dautrevaux
2002-01-11 9:52 ` Horst von Brand
2002-01-08 9:44 Bernard Dautrevaux
2002-01-08 11:44 ` 'jtv'
2002-01-08 0:16 mike stump
2002-01-08 11:33 ` jtv
2002-01-07 23:46 mike stump
2002-01-07 23:20 dewar
2002-01-07 23:15 dewar
2002-01-07 23:12 dewar
2002-01-07 23:11 dewar
2002-01-07 22:56 mike stump
2002-01-07 22:26 Tim McDaniel
2002-01-07 19:36 mike stump
2002-01-07 21:21 ` Theodore Tso
2002-01-08 0:19 ` Paul Mackerras
2002-01-08 1:02 ` Richard Henderson
2002-01-07 19:18 mike stump
2002-01-07 19:17 Bernard Dautrevaux
2002-01-07 18:38 mike stump
2002-01-07 13:29 Bernard Dautrevaux
2002-01-07 13:24 Bernard Dautrevaux
2002-01-07 21:49 ` jtv
2002-01-07 22:28 ` Tim Hollebeek
2002-01-07 22:16 ` jtv
2002-01-08 0:27 ` J.A. Magallon
2002-01-08 11:41 ` jtv
2002-01-08 12:36 ` Alexandre Oliva
2002-01-08 12:58 ` jtv
2002-01-09 19:47 ` Gérard Roudier
2002-01-09 20:44 ` jtv
2002-01-09 23:49 ` J.A. Magallon
2002-01-10 0:19 ` Peter Barada
2002-01-10 1:47 ` Fergus Henderson
2002-01-10 15:30 ` Peter Barada
2002-01-10 10:13 ` Matthias Benkmann
2002-01-10 10:44 ` Bernd Petrovitsch
2002-01-06 19:32 dewar
2002-01-06 19:29 dewar
2002-01-06 19:29 dewar
2002-01-06 18:37 mike stump
2002-01-06 18:24 mike stump
2002-01-06 20:37 ` Gabriel Dos Reis
2002-01-06 21:59 ` Paul Mackerras
2002-01-06 22:19 ` Jakub Jelinek
2002-01-07 0:09 ` Tom Rini
2002-01-07 1:40 ` Alexandre Oliva
2002-01-06 18:20 mike stump
2002-01-06 16:22 dewar
2002-01-06 16:39 ` Alan Cox
2002-01-06 19:27 ` Laurent Guerby
2002-01-06 19:43 ` Alan Cox
2002-01-06 13:43 dewar
2002-01-06 13:55 ` Laurent Guerby
2002-01-06 13:41 dewar
2002-01-06 16:58 ` Gabriel Dos Reis
2002-01-06 13:16 dewar
2002-01-06 13:22 ` Gabriel Dos Reis
2002-01-06 13:07 dewar
2002-01-06 13:05 dewar
2002-01-06 13:41 ` Laurent Guerby
2002-01-06 7:56 mike stump
2002-01-06 4:26 dewar
2002-01-06 5:32 ` Paul Mackerras
2002-01-06 11:09 ` Momchil Velikov
2002-01-06 0:52 dewar
2002-01-04 22:43 dewar
2002-01-06 3:40 ` Paul Mackerras
2002-01-04 12:15 dewar
2002-01-04 12:14 dewar
2002-01-03 12:51 dewar
2002-01-03 10:35 Bernard Dautrevaux
2002-01-03 10:05 Bernard Dautrevaux
2002-01-03 10:49 ` Paul Mackerras
2002-01-03 11:59 ` Lars Brinkhoff
2002-01-03 23:53 ` Paul Mackerras
2002-01-04 9:52 ` Lars Brinkhoff
2002-01-05 6:45 ` Paul Mackerras
2002-01-06 0:20 ` Lars Brinkhoff
2002-01-09 9:28 ` Fergus Henderson
2002-01-09 10:58 ` Gabriel Dos Reis
2002-01-03 0:49 dewar
2002-01-03 0:12 dewar
2002-01-03 0:32 ` jtv
2002-01-06 19:37 ` Alexandre Oliva
2002-01-02 23:53 dewar
2002-01-02 23:59 ` Joe Buck
2002-01-03 3:12 ` Paul Mackerras
2002-01-03 15:45 ` Joe Buck
2002-01-02 17:40 Petr Vandrovec
2002-01-02 22:24 ` David Woodhouse
2002-01-02 22:39 ` Joe Buck
2002-01-02 22:59 ` David Woodhouse
2002-01-03 18:44 ` Alexandre Oliva
2002-01-02 10:02 Bernard Dautrevaux
2002-01-02 23:02 ` Paul Mackerras
2002-01-02 23:27 ` Momchil Velikov
2002-01-01 23:03 Momchil Velikov
2002-01-01 23:43 ` Tom Rini
2002-01-02 6:54 ` Momchil Velikov
2002-01-02 15:39 ` Tom Rini
2002-01-02 15:50 ` Jakub Jelinek
2002-01-02 16:45 ` Paul Koning
2002-01-02 22:56 ` Paul Mackerras
2002-01-02 23:37 ` Momchil Velikov
2002-01-03 2:51 ` Paul Mackerras
2002-01-03 6:29 ` law
2002-01-03 13:16 ` Lars Brinkhoff
2002-01-04 9:05 ` Florian Weimer
2002-01-04 22:14 ` Paul Mackerras
2002-01-02 14:56 ` Joseph S. Myers
2002-01-02 10:29 ` Florian Weimer
2002-01-02 10:41 ` Momchil Velikov
2002-01-02 13:11 ` Jakub Jelinek
2002-01-02 15:54 ` Tom Rini
2002-01-02 11:28 ` Aaron Lehmann
2002-01-02 11:40 ` Momchil Velikov
2002-01-02 15:59 ` Tom Rini
2002-01-02 11:48 ` Alan Cox
2002-01-02 19:09 ` Tom Rini
2002-01-02 20:13 ` Joe Buck
2002-01-02 20:42 ` Tom Rini
2002-01-02 21:36 ` Richard Henderson
2002-01-02 22:05 ` Tom Rini
2002-01-02 22:23 ` jtv
2002-01-02 23:12 ` Tom Rini
2002-01-02 23:45 ` jtv
2002-01-03 0:01 ` Tom Rini
2002-01-03 0:07 ` Richard Henderson
2002-01-03 0:16 ` Tom Rini
2002-01-03 1:12 ` Richard Henderson
2002-01-03 0:20 ` jtv
2002-01-03 2:33 ` Paul Mackerras
2002-01-03 8:32 ` Richard Henderson
2002-01-03 10:10 ` Paul Mackerras
2002-01-03 22:41 ` Tim Hollebeek
2002-01-04 8:48 ` Florian Weimer
2002-01-03 10:03 ` Geert Uytterhoeven
2002-01-03 0:25 ` Alan Cox
2002-01-03 0:35 ` David Woodhouse
2002-01-03 2:10 ` Tom Rini
2002-01-03 22:39 ` Pavel Machek
2002-01-04 9:29 ` Paul Mackerras
2002-01-03 15:46 ` Edgar Toernig
2002-01-03 16:48 ` Momchil Velikov
2002-01-03 17:13 ` jtv
2002-01-03 21:26 ` Daniel Jacobowitz
2002-01-02 22:27 ` Richard Henderson
2002-01-02 22:35 ` Tom Rini
2002-01-02 22:44 ` Richard Henderson
2002-01-02 22:50 ` Tom Rini
2002-01-03 22:40 ` Pavel Machek
2002-01-04 8:42 ` Richard Henderson
2002-01-02 23:11 ` Paul Mackerras
2002-01-02 23:26 ` Tom Rini
2002-01-02 23:28 ` Momchil Velikov
2002-01-02 23:34 ` Tom Rini
2002-01-03 0:19 ` jtv
2002-01-03 0:29 ` Tom Rini
2002-01-03 1:03 ` jtv
2002-01-03 1:17 ` Tom Rini
2002-01-03 17:44 ` jtv
2002-01-04 8:42 ` Florian Weimer
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