Re: [PATCH] (updated, rolled up) make section names compatible with -ffunction-sections -fdata-sections

From: David Howells
Date: Fri Jul 18 2008 - 08:02:53 EST

Denys Vlasenko <vda.linux@xxxxxxxxxxxxxx> wrote:

> The purpose of these patches is to make kernel buildable
> with "gcc -ffunction-sections -fdata-sections".
> The problem is that with -ffunction-sections -fdata-sections gcc
> creates sections like .text.head and .data.nosave
> whenever someone has innocuous code like this:
> static void head(...) {...}
> or this:
> int f(...) { static int nosave; ... }
> somewhere in the kernel.
> Kernel linker script is confused by such names and puts these sections
> in wrong places.
> This patch renames all "magic" section names used by kernel
> to not have this format, eliminating the possibility of such collisions.
> Signed-off-by: Denys Vlasenko <vda.linux@xxxxxxxxxxxxxx>

Acked-by: David Howells <dhowells@xxxxxxxxxx> [FRV and MN10300]
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