[dpdk-dev] [PATCH] service: clean references to removed symbol

[David Marchand]

On Thu, Apr 8, 2021 at 3:08 PM Van Haaren, Harry
<harry.van.haaren at intel.com> wrote:
> > > For rte_service.h doc changes I'm all fine.
> > >
> > > For ABI consistency, this removes a function from the DPDK_21 version map that
> > didn't exist in
> > > the shared object itself. I'm not sure if that's an ABI break or not... I see ABI
> > experts on CC,
> > > and will let them comment on that topic.
> >
> > The symbol is not in the API anymore.
> > Applications can't have a reference to this symbol without a definition.
>
> Agreed, however I'm not familiar enough with linking/ABI stability to
> know if removing a symbol (even when not available in the API) could
> affect the resulting shared object's ABI.

After a discussion with Dodji and looking at binutils, I understand
that the versioning is applied for each symbol found in an elf object.
So at least with binutils, non-existent nodes in a version script are
harmless and have no impact on the generated elf.


-- 
David Marchand