linux-kernel - Re: Kernel Development & Objective-C

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Message-ID: <4751BD23.7020104@argo.co.il>
Date:	Sat, 01 Dec 2007 21:59:31 +0200
From:	Avi Kivity <avi@...o.co.il>
To:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
CC:	Ben Crowhurst <Ben.Crowhurst@...llatravel.co.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: Kernel Development & Objective-C

Lennart Sorensen wrote:
> On Thu, Nov 29, 2007 at 12:14:16PM +0000, Ben Crowhurst wrote:
>   
>> Has Objective-C ever been considered for kernel development?
>>     
>
> Doesn't objective C essentially require a runtime to provide a lot of
> the features of the language?  If it does (as I suspect) then it is
> totally unsiatable for kernel development.
>
>   

C also requires a (very minimal) runtime. And I don't see how having a 
runtime disqualifies a language from being usable in a kernel; the 
runtime is just one more library, either supplied by the compiler or by 
the kernel.

>
> Besides the kernel does a wonderful job doing object oriented design
> where apropriate using C without any of the stupidities added by the
> common OO languages

Object orientation in C leaves much to be desired; see the huge number 
of void pointers and container_of()s in the kernel.
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