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Re: RFC: Add STB_GNU_SECONDARY
On Fri, Apr 20, 2012 at 5:49 PM, Ian Lance Taylor <email@example.com> wrote:
> "H.J. Lu" <firstname.lastname@example.org> writes:
>> In our usage, the backup definition may not be at the end of
>> command line since it may reference library symbols.
> You could write out the backup function you need under a different name.
> Then have the backup symbol at the end of the link call the new name of
> the backup function.
isn't it replacing one backup with another backup?
> I agree that this kind of approach is less convenient, but this doesn't
> seem like a persuasive choice for one of the two remaining OS-dependent
> symbol binding numbers. ?Perhaps you should try to sell this idea to the
> ELF ABI, the generic space has seven available numbers.
We are looking for a solution to have the backup definition
which can be overridden by a normal definition from an archive
or shared object. Weak symbol doesn't work here. I will ask
in the gABI group.