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Re: [PATCH] catch "new" gcc 3.4.0 sections

To: linux-mips@linux-mips.org
Subject: Re: [PATCH] catch "new" gcc 3.4.0 sections
From: Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>
Date: Tue, 13 Apr 2004 21:31:58 +0200
In-reply-to: <028001c4218c$6d792350$8d01010a@prefect>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <028001c4218c$6d792350$8d01010a@prefect>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.5.1i
Bradley D. LaRonde wrote:
> Building with gcc 3.4.0 emits a couple new sections, .rodata.cst4 and
> .rodata.str1.4, which the current ld.script doesn't contemplate.  Here is a
> patch to catch them (and maybe some other latent ones).
> 
> Anyone know why or when these sections are emitted?

I'd guess to keep differently aligned strings in separate sections,
as a preliminary for improved string merging.

> Regards,
> Brad
> 
> 
> diff -u -r1.1.1.1 ld.script.in
> --- arch/mips/ld.script.in      10 Nov 2003 21:06:52 -0000      1.1.1.1
> +++ arch/mips/ld.script.in      13 Apr 2004 19:18:25 -0000
> @@ -11,6 +11,11 @@
>      *(.text)
>      *(.rodata)
>      *(.rodata1)
> +    *(.rodata.str1.1);
> +    *(.rodata.str1.4);
> +    *(.rodata.str1.32);
> +    *(.rodata.cst4);
> +    *(.rodata.cst8);

Why not just *(.rodata*); ?


Thiemo

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