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Re: Regression on prelinked-sepdebug-shlibs


On Wed, Jan 06, 2010 at 07:05:10PM +0100, Jan Kratochvil wrote:
> On Wed, 06 Jan 2010 17:38:55 +0100, Tristan Gingold wrote:
> > I think this is not correct: the separate debug file may have one section at
> > zero while the main may not.  In the above code, we do not consider wether
> > an offset is used.
> > 
> > I am not sure that this can happen with ELF however.

Sorry, I don't quite understand this.

> This has_section_at_zero feature is intended for embedded targets.  I only
> know has_section_at_zero can never happen for cases I am aware of.
> 
> IMHO embedded targets do not use the file-vs-memory offsets but not sure.
> Also the embedded targets probably do not use .linkonce/COMDAT - this is why
> this has_section_at_zero differentiator could work.

An embedded program can use either of these things.  The
linkonce/comdat issue is a constant problem, but this was the best
available heuristic.

-- 
Daniel Jacobowitz
CodeSourcery


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