[AArch64] PR18668, Generate long branch veneer if call to plt stub is out of range

[Jiong Wang]

Nick Clifton writes:

> Hi Jiong,
>
>> 2015-07-15  Jiong Wang  <jiong.wang@arm.com>
>> bfd/
>>    PR ld/18668
>>    * elfnn-aarch64.c (aarch64_type_of_stub): Update destination for
>>    calls go through plt stub.
>>    (elfNN_aarch64_final_link_relocate): Adjust code logic for CALL26,
>>    JUMP26 relocation to support inserting veneer for call to plt stub.
>>
>> ld/testsuite/
>>    * ld-aarch64/farcall-b-gsym.s: New test.
>>    * ld-aarch64/farcall-b-plt.s: Ditto.
>>    * ld-aarch64/farcall-bl-plt.s: Ditto.
>>    * ld-aarch64/farcall-b-gsym.d: New expect file.
>>    * ld-aarch64/farcall-b-plt.d: Ditto.
>>    * ld-aarch64/farcall-bl-plt.d: Ditto.
>
> Approved - please apply - sorry for the long delay in reviewing this
> patch.

  That's fine. Thanks for the review.
  
-- 
Regards,
Jiong