RFC: Add ___tls_get_addr

[Florian Weimer]

On 07/05/2017 05:38 PM, H.J. Lu wrote:
> We are considering to add an alternative interface, ___tls_get_addr, to
> glibc, which doesn't realign stack.  Compilers, which properly align stack
> for TLS, call generate call to ___tls_get_addr, instead of __tls_get_addr,
> if ___tls_get_addr is available.

Why can't we add a new symbol version instead?  Those who recompile or
relink their applications would have to use fixed compilers.

Thanks,
Florian