[Bug gas/20803] Sparc R_SPARC_32 reloc with miss-align offset.

[chrisj at rtems dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20803

--- Comment #2 from Chris Johns <chrisj at rtems dot org> ---
(In reply to Nick Clifton from comment #1)
> Created attachment 9623 [details]
> Proposed patch

Thank you for the quick turn around.

> 
>   Please could you try out this patch and let me know if it is enough to
> solve the problem.
> 

Yes, this solves the problem we are seeing.

>   I am not sure if this approach is the correct way to fix the issue, but it
> does seem to be the simplest.  As far as I can tell, the relocs in the
> .eh_frame section can eb unaligned, so using R_SPARC_UA32 seems to be the
> correct thing to do.  I did look to see if I could enable
> sparc_no_align_cons when fixing the output for the .eh_frame section, but I
> could not find an easy way to do this. Hence I went for a hack based on the
> section name.  Not very subtle, but if it works then that is enough for now.

I also had a look and felt any change was a potential issue for some other
reason I would not be aware of. We will use this patch in RTEMS until the next
binutils release.

Thank you.

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