[PATCH 8/9] ARM: Separate assembler functions into their own section

[Sascha Hauer]

On Thu, Jul 19, 2012 at 04:08:34PM +0200, Sascha Hauer wrote:
> On Thu, Jul 19, 2012 at 12:38:03PM +0200, Marc Kleine-Budde wrote:
> > On 07/19/2012 10:13 AM, Sascha Hauer wrote:
> > > To let the linker remove unused functions.
> > > 
> > > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> > > ---
> > >  arch/arm/cpu/cache-armv4.S      |    7 ++++++-
> > >  arch/arm/cpu/cache-armv5.S      |    7 ++++++-
> > >  arch/arm/cpu/cache-armv6.S      |   11 +++++++++--
> > >  arch/arm/cpu/cache-armv7.S      |    8 ++++++--
> > >  arch/arm/lib/ashldi3.S          |    1 +
> > >  arch/arm/lib/ashrdi3.S          |    1 +
> > >  arch/arm/lib/findbit.S          |    9 +++++++++
> > >  arch/arm/lib/io-writesw-armv4.S |    2 ++
> > >  arch/arm/lib/lib1funcs.S        |    7 +++++++
> > >  arch/arm/lib/lshrdi3.S          |    1 +
> > >  10 files changed, 48 insertions(+), 6 deletions(-)
> > > 
> > > diff --git a/arch/arm/cpu/cache-armv4.S b/arch/arm/cpu/cache-armv4.S
> > > index 6d03565..2231eee 100644
> > > --- a/arch/arm/cpu/cache-armv4.S
> > > +++ b/arch/arm/cpu/cache-armv4.S
> > > @@ -3,6 +3,7 @@
> > >  
> > >  #define CACHE_DLINESIZE 32
> > >  
> > > +.section .text.__mmu_cache_on
> > >  ENTRY(__mmu_cache_on)
> > 
> > Is it possible to add the section to the ENTRY macro?
> 
> I'm not sure. I was pretty sure that some assembly functions fall
> through to the next function. I cannot find any examples though.

For example we have this:

.section .text.__divsi3
ENTRY(__divsi3)
ENTRY(__aeabi_idiv)
	...

Sascha

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