From: Rich Felker <dalias@libc.org>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: emacs-devel@gnu.org
Subject: Re: Dumper problems and a possible solutions
Date: Wed, 25 Jun 2014 19:21:40 -0400 [thread overview]
Message-ID: <20140625232140.GG179@brightrain.aerifal.cx> (raw)
In-Reply-To: <53AB557A.30104@cs.ucla.edu>
On Wed, Jun 25, 2014 at 04:04:26PM -0700, Paul Eggert wrote:
> Rich Felker wrote:
> >this model is also incompatible
> >with PIE and with most modern systems where malloc may return "high"
> >addresses, and thereby likely buggy even on the systems it's currently
> >used on (if any).
>
> The model works just fine on a typical modern 32-bit host, so long
> as you configure --with-wide-int. That's because the 32-bit
> addresses fit comfortably in the low half of 64-bit integers.
I see. I wasn't aware of that option. In any case it would work just
fine with the proposed C static array output: for 32-bit pointers, the
lower 32 bits would actually be the address constant reference and the
upper 32 bits would be an integer constant expression.
Rich
next prev parent reply other threads:[~2014-06-25 23:21 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-24 17:19 Dumper problems and a possible solutions Rich Felker
2014-06-24 19:27 ` Stefan Monnier
2014-06-24 19:40 ` Rich Felker
2014-06-24 20:24 ` Stefan Monnier
2014-06-24 21:15 ` Rich Felker
2014-06-24 21:37 ` Stefan Monnier
2014-06-25 18:03 ` Dmitry Antipov
2014-06-25 18:08 ` Rich Felker
2014-06-25 18:30 ` Dmitry Antipov
2014-06-25 18:36 ` Rich Felker
2014-06-25 18:36 ` Eli Zaretskii
2014-06-25 18:41 ` Eli Zaretskii
2014-06-26 0:16 ` Stephen J. Turnbull
2014-06-25 18:20 ` Eli Zaretskii
2014-06-25 18:32 ` Rich Felker
2014-06-25 18:49 ` Eli Zaretskii
2014-06-25 19:03 ` Rich Felker
2014-06-25 19:18 ` Eli Zaretskii
2014-06-25 19:57 ` Rich Felker
2014-06-25 20:15 ` Eli Zaretskii
2014-06-25 20:34 ` Rich Felker
2014-06-26 2:44 ` Eli Zaretskii
2014-06-26 4:28 ` Rich Felker
2014-06-26 15:02 ` Eli Zaretskii
2014-06-25 20:11 ` Stefan Monnier
2014-06-25 20:06 ` Stefan Monnier
2014-06-25 20:24 ` Rich Felker
2014-06-25 21:43 ` Stefan Monnier
2014-06-25 22:07 ` Rich Felker
2014-06-25 23:04 ` Paul Eggert
2014-06-25 23:21 ` Rich Felker [this message]
2014-06-25 23:05 ` Stefan Monnier
2014-06-25 23:19 ` Rich Felker
2014-06-26 3:02 ` Dmitry Antipov
2014-06-26 4:14 ` Rich Felker
2014-06-26 4:32 ` Dmitry Antipov
2014-06-26 11:49 ` Rich Felker
2014-06-26 15:03 ` Eli Zaretskii
2014-06-26 15:10 ` Rich Felker
2014-06-25 22:33 ` Andreas Schwab
2014-06-25 20:53 ` Samuel Bronson
2014-06-25 21:24 ` Rich Felker
2014-06-25 18:38 ` Stefan Monnier
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