https://sourceware.org/bugzilla/show_bug.cgi?id=22136

--- Comment #19 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Mark Wielaard from comment #18)
> (In reply to H.J. Lu from comment #16)
> > (In reply to Mark Wielaard from comment #15)
> > > (In reply to H.J. Lu from comment #14)
> > > > Anything else besides "identical to the phdrs"?  Must .dynamic section 
> > > > have
> > > > the identical section contents in debug info file?
> > > 
> > > Allocated sections are NOBITS in a separate debug file.
> > 
> > I checked libfoo.so against the output of "objcopy --only-keep-debug".
> > Their program headers are different:
> 
> That might be a bug. See e.g. eu-strip -f which keeps them intact.
> And eu-unstrip depends on this for example.

Does it even work given that program header from "objcopy --only-keep-debug"
is different?

> Anyway, the point is that you are not supposed to use the phdrs offsets of
> the separate debug file. So you need some marker in the ELF header to
> indicate what kind of ELF file it is.

I have a hard time to see why it is necessary.

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