From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Bill Davidsen <davidsen@tmr.com>
Cc: David Newall <david@davidnewall.com>,
Jan Engelhardt <jengelh@computergmbh.de>,
Xavier Bestel <xavier.bestel@free.fr>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Ben.Crowhurst@stellatravel.co.uk, linux-kernel@vger.kernel.org
Subject: Re: Kernel Development & Objective-C
Date: Sat, 1 Dec 2007 18:18:59 +0000 [thread overview]
Message-ID: <20071201181859.346b3e03@the-village.bc.nu> (raw)
In-Reply-To: <4751A77A.9050204@tmr.com>
> Well, original C allowed you to do what you wanted with pointers (I used
> to teach that back when K&R was "the" C manual). Now people which about
> having pointers outside the array, which is a crock in practice, as long
> as you don't actually /use/ an out of range value.
Actually the standards had good reasons to bar this use, because many
runtime environments used segmentation and unsigned segment offsets. On a
286 you could get into quite a mess with out of array reference tricks.
> variable with the address of the start. I was more familiar with the B
> stuff, I wrote both the interpreter and the code generator+library for
> the 8080 and GE600 machines. B on MULTICS, those were the days... :-D
B on Honeywell L66, so that may well have been a relative of your code
generator ?
next prev parent reply other threads:[~2007-12-01 18:23 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-29 12:14 Kernel Development & Objective-C Ben Crowhurst
2007-11-30 10:02 ` Xavier Bestel
2007-11-30 10:09 ` KOSAKI Motohiro
2007-11-30 10:20 ` Xavier Bestel
2007-11-30 10:54 ` Jan Engelhardt
2007-11-30 14:21 ` David Newall
2007-11-30 23:31 ` Bill Davidsen
2007-11-30 23:40 ` Alan Cox
2007-12-01 0:05 ` Arnaldo Carvalho de Melo
2007-12-01 18:27 ` Bill Davidsen
2007-12-01 18:18 ` Alan Cox [this message]
2007-12-03 1:23 ` Bill Davidsen
2007-11-30 22:52 ` J.A. Magallón
2007-11-30 10:29 ` Loïc Grenié
2007-11-30 11:16 ` Ben Crowhurst
2007-11-30 11:36 ` Karol Swietlicki
2007-11-30 14:37 ` Lennart Sorensen
2007-12-08 8:54 ` Rogelio M. Serrano Jr.
2007-11-30 23:19 ` J.A. Magallón
2007-11-30 23:53 ` Nicholas Miell
2007-12-01 0:31 ` Al Viro
2007-12-01 0:34 ` Al Viro
2007-12-01 1:09 ` J.A. Magallón
2007-12-01 19:55 ` Avi Kivity
2007-12-04 17:54 ` Lennart Sorensen
2007-12-04 21:10 ` Avi Kivity
2007-12-04 21:24 ` J.A. Magallón
2007-11-30 11:37 ` Matti Aarnio
2007-11-30 14:34 ` Lennart Sorensen
2007-11-30 15:26 ` Kyle Moffett
2007-11-30 18:40 ` H. Peter Anvin
2007-11-30 19:35 ` Kyle Moffett
2007-12-01 20:03 ` Avi Kivity
2007-12-02 19:01 ` Andi Kleen
2007-12-03 5:12 ` Avi Kivity
2007-12-03 9:50 ` Andi Kleen
2007-12-03 11:46 ` Avi Kivity
2007-12-03 11:50 ` Andi Kleen
2007-12-03 21:13 ` Willy Tarreau
2007-12-03 21:39 ` J.A. Magallón
2007-12-03 21:57 ` Alan Cox
2007-12-04 21:47 ` J.A. Magallón
2007-12-04 22:20 ` Diego Calleja
2007-12-05 10:59 ` Giacomo A. Catenazzi
2007-12-04 21:07 ` Avi Kivity
2007-12-04 22:43 ` Willy Tarreau
2007-12-05 17:05 ` Micro vs macro optimizations (was: Re: Kernel Development & Objective-C) Avi Kivity
2007-12-03 12:35 ` Kernel Development & Objective-C Gilboa Davara
2007-12-03 12:44 ` Gilboa Davara
2007-12-03 16:28 ` Casey Schaufler
2007-12-04 17:50 ` Lennart Sorensen
2007-12-05 10:31 ` Gilboa Davara
2007-12-01 19:59 ` Avi Kivity
2007-12-02 19:44 ` Jörn Engel
2007-12-03 16:53 ` Lennart Sorensen
2007-11-30 15:00 ` Chris Snook
2007-12-01 9:50 ` David Newall
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