Re: [PATCH 14/23] make section names compatible with-ffunction-sections -fdata-sections: parisc

[Adrian Bunk]

On Wed, Jul 02, 2008 at 03:57:42PM +0100, David Woodhouse wrote:
> On Wed, 2008-07-02 at 17:55 +0300, Adrian Bunk wrote:
> > On Wed, Jul 02, 2008 at 09:41:47AM +0100, David Woodhouse wrote:
> > > On Wed, 2008-07-02 at 02:00 +0200, Denys Vlasenko wrote:
> > > > On Wednesday 02 July 2008 01:41, James Bottomley wrote:
> > > > > On Wed, 2008-07-02 at 02:39 +0200, Denys Vlasenko wrote:
> > > > > > The purpose of this patch is to make kernel buildable
> > > > > > with "gcc -ffunction-sections -fdata-sections".
> > > > > > This patch fixes parisc architecture.
> > > > > > 
> > > > > > Signed-off-by: Denys Vlasenko <vda.linux@xxxxxxxxxxxxxx>
> > > > > 
> > > > > Um ... if you look at the Makefile you'll see we already build parisc
> > > > > with -ffunction-sections; we have to: our relative jumps are too small
> > > > > to guarantee finding the stubs in large files.
> > > > > 
> > > > > Since our text is -ffunction-sections compatible already, I question the
> > > > > need for transformations like this:
> > > 
> > > We've been building FR-V kernels with --gc-sections for a long time,
> > > too.
> > >...
> > 
> > Is there any specific reason why it's not done in the upstream kernel?
> 
> Isn't it? I thought it was.
>...

It is in the Makefile, but only enabled through a nonexisting 
CONFIG_GC_SECTIONS option.

> dwmw2

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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