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[Bug binutils/26841] objcopy --extract-dwo silently drops relocation


From: vries at gcc dot gnu.org
Subject: [Bug binutils/26841] objcopy --extract-dwo silently drops relocation
Date: Fri, 06 Nov 2020 16:23:24 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=26841

--- Comment #5 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Nick Clifton from comment #4)
> Created attachment 12945 [details]
> Proposed patch
> 
> Hi Tom,
> 
> > Alternatively, we could choose not to make things easier for the compiler, 
> > and 
> > error out when encountering a .rela.*.dwo section.
> 
> Well if the spec says that they are not allowed then that does make things
> easier.
> 
> How about this revised patch ?  It makes the assembler issue an error
> message if the user tries to assemble a file containing DWO sections that
> need relocations, and it makes objcopy complain if it is asked to extract
> the dwo sections of a file which has relocations against those sections.
> 

I've asked for feedback on the GCC side.

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