[PATCH] aarch64: simplify the DT_AARCH64_VARIANT_PCS handling code

[Szabolcs Nagy]

On 09/07/2019 13:55, Szabolcs Nagy wrote:
> Remove unnecessary variant_pcs field: the dynamic tag can be checked
> directly.
> 
> I'll commit this tomorrow unless there are comments.
> Then backport it with the variant pcs support to release branches
> https://sourceware.org/ml/libc-alpha/2019-05/msg00523.html

i was about to back port this but i wonder if
glibc has policy that a release branch cannot
change libc internal abi between dynamic linker
and lib*.so to allow reliable updates?

this patch changes the size of map->l_info array.

> 
> 2019-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
> 
> 	* sysdeps/aarch64/dl-machine.h (elf_machine_runtime_setup): Remove the
> 	DT_AARCH64_VARIANT_PCS check.
> 	(elf_machine_lazy_rel): Use l_info[DT_AARCH64 (VARIANT_PCS)].
> 	* sysdeps/aarch64/linkmap.h (struct link_map_machine): Remove
> 	variant_pcs.
>