linux-kernel - Re: C++ in linux kernel

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Message-ID: <Pine.LNX.4.64.0802081653560.26116@fbirervta.pbzchgretzou.qr>
Date:	Fri, 8 Feb 2008 16:54:59 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Joonwoo Park <joonwpark81@...il.com>
cc:	rohit h <hrohit85@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: C++ in linux kernel


On Feb 9 2008 00:14, Joonwoo Park wrote:
>2008/2/8, rohit h <hrohit85@...il.com>:
>> Hi,
>>  I am a kernel newbie.
>>  I tried to insmod a C++ module containing classes, inheritance.
>>  I am getting 'unresolved symbol' error when I use the 'new' keyword.
>>  What could the problem be?
>>
>>  What kind of runtime support is needed ( arm linux kernel)? Is a
>> patch available for it?
>>
>Please take a look at click modular router which is using c++ as a
>linux kernel module.
>http://www.read.cs.ucla.edu/click/
>The lib/glue.cc provides custom operator new.

Uh, let's not make the world worse :)
Just call malloc from C++, and carefully select what C++ features
you are going to use. The VMware source for example does it right.
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