[PATCH] x86: Treat relocation against IFUNC symbol as FUNC
Nick Clifton
nickc@redhat.com
Wed Mar 7 15:04:00 GMT 2018
Hi H.J.
>> Actually - thinking about it further ... why should it matter that it is a
>> note section that is being relocated ? Surely the same logic should apply
>> to any ifunc-targeted relocation in a non-alloc section. For example, I
>> wonder if your patch would actually work for debug sections as well ?
>> (Rather than the current option of just silently ignoring the reloc).
>
> GDB has special handling for IFUNC symbols which works well for the
> current approach with debug sections. Will such a change break GDB?
Probably. I did not know that GDB had such handling.
OK, so apart from debug sections, is there any reason not to treat ifunc
targeted relocs in non-alloc sections as if they were targeted at the func
instead ? IE not just for note sections, but for all non-alloc, non-debug
sections ?
Cheers
Nick
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