Pending fixes for all-ABIs builds

[Florian Weimer]

On 11/09/2016 03:50 PM, Andreas Schwab wrote:
> On Nov 09 2016, Florian Weimer <fweimer@redhat.com> wrote:
>
>> Does this mean that if the application links against -ldl and invokes
>> dlopen, a different dynamic linker implementation is used?
>
> ??? There is only one dynamic linker, which is ld.so.

If this is really true, then I don't understand why we need the 
indirection in _dl_open_hook.

Is there a way to get rid of those function pointers, or move 
_dl_open_hook into a RELRO section?

Thanks,
Florian