[PATCH, BFD, AArch64, x86] Improve warning for --force-bti.

[Sudakshina Das]

Hi HJ

On 01/04/2019 20:26, H.J. Lu wrote:
> On Thu, Mar 21, 2019 at 9:25 AM Sudakshina Das <Sudi.Das@arm.com> wrote:
>>
>> Hi Nick
>>
>> On 21/03/2019 15:14, Nick Clifton wrote:
>>> Hi Sudi,
>>>
>>>> *** bfd/ChangeLog ***
>>>>
>>>> 2019-xx-xx  Sudakshina Das  <sudi.das@arm.com>
>>>>
>>>>       * elf-bfd.h (struct elf_backend_data): Add argument to
>>>>       merge_gnu_properties.
>>>>       * elf-properties.c (elf_merge_gnu_properties): Add argument to
>>>>       itself and while calling bed->merge_gnu_properties.
>>>>       (elf_merge_gnu_property_list): Update the calls for
>>>>       elf_merge_gnu_properties.
>>>>       * elfnn-aarch64.c (elfNN_aarch64_merge_gnu_properties): Update handling
>>>>       of --force-bti warning and add argument.
>>>>       * elfxx-aarch64.c (_bfd_aarch64_elf_link_setup_gnu_properties): Add
>>>>       warning.
>>>>       * elfxx-x86.c (_bfd_x86_elf_merge_gnu_properties): Add argument.
>>>>       * elfxx-x86.h (_bfd_x86_elf_merge_gnu_properties): Likewise in
>>>>       declaration.
>>>>
>>>> *** ld/ChangeLog ***
>>>>
>>>> 2019-xx-xx  Sudakshina Das  <sudi.das@arm.com>
>>>>
>>>>       * testsuite/ld-aarch64/aarch64-elf.exp: Add new test.
>>>>       * testsuite/ld-aarch64/bti-plt-1.s: Add .ifdef for PAC note section.
>>>>       * testsuite/ld-aarch64/bti-plt-6.d: Update warning.
>>>>       * testsuite/ld-aarch64/bti-plt-7.d: Likewise.
>>>>       * testsuite/ld-aarch64/bti-warn.d: New test.
>>>
>>> Approved - please apply.
>>
>> Thanks for the approval. Committed as
>> 4e5391148d51c58785aad637f1a92d47b91b3ae6
>>
>> Sudi
>>
> 
> Isn't  --force-bti for ELF only? Shouldn't it use "-z force-bti"?

Sorry I was not aware of any elf specific meaning given to -z. Is this a 
convention? I can not seem to find any particular documentation for it.

Thanks
Sudi
>