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SubjectRe: [PATCH v3 1/3] Make section names compatible with -ffunction-sections -fdata-sections
On Sun, Apr 26, 2009 at 11:42:21AM +0900, Paul Mundt wrote:
> On Sat, Apr 25, 2009 at 10:10:38PM -0400, Tim Abbott wrote:
> > On Fri, 24 Apr 2009, Sam Ravnborg wrote:
> >
> > > This patch touches far too many files.
> > > We should try to work out a method so we are in better control
> > > of the section names, so renaming in the end is a simple patch
> > > touching only a few files.
> >
> > OK, I'm now planning to implement this approach.
> >
> > > > -.section .text.head, "ax"
> > > > +.section .text..head, "ax"
> > >
> > > Use __HEAD (from include/linux/init.h)
> > > Same goes for all other uses of .text.head.
> >
> > I notice that __HEAD uses .head.text, while some architectures use
> > .text.head. It looks like this is just an inconsistency across
> > architectures that will be removed as a consequence of this cleanup work
> > (no architecture uses both .head.text and .text.head).
> >
> The use of .text.head is quite intentional. See
> f8657e1b55901e6c227094258d1fa3642fa242bd for starters. Most of the rest
> of the platforms that switched did so for section mismatch avoidance
> reasons, those that kept .head.text presumably did not hit these
> mismatches or simply didn't care.

This is a mess that Tim's patches should clean up.
i386 should use .head.text - this is the 'correct' name for the head section.

And modpost does not accept ".text.head" anymore - thats cleaned up some time ago.

Sam



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