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Re: [RFC] Add __initbss section

To: Franck Bui-Huu <vagabon.xyz@gmail.com>
Subject: Re: [RFC] Add __initbss section
From: "Maciej W. Rozycki" <macro@linux-mips.org>
Date: Tue, 16 Oct 2007 11:29:50 +0100 (BST)
Cc: Ralf Baechle <ralf@linux-mips.org>, Geert Uytterhoeven <geert@linux-m68k.org>, linux-mips <linux-mips@linux-mips.org>
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References: <470DF25E.60009@gmail.com> <Pine.LNX.4.64N.0710111307180.16370@blysk.ds.pg.gda.pl> <4712738A.5000703@gmail.com> <Pine.LNX.4.64N.0710151311350.16262@blysk.ds.pg.gda.pl> <4713C840.8080206@gmail.com>
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On Mon, 15 Oct 2007, Franck Bui-Huu wrote:

> Well, since .init.bss is declared as follow:
> 
>       .init.bss (NOLOAD) : {
>               ...
>       }
> 
> data should not take any space in the image...

 The above only marks it as unloadable (cf. e.g. debugging information).  
It is still there.

> I meant to be able to put data into .init.bss section from assembly
> code (*.S files) like __INITDATA does for .init.data section.

 That does not differ from what has to be done for any other language -- 
ultimately `gas', which is responsible for such arrangements, has to see 
an appropriate ".section" directive.

  Maciej

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