[PATCH, ARM] Add support for value 3 of Tag_ABI_VFP_args attribute

[Nicholas Clifton]

Hi Thomas,

> *** bfd/ChangeLog ***
>
> 2014-11-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
>
> 	* elf32-arm.c (elf32_arm_merge_eabi_attributes): Handle new
> 	Tag_ABI_VFP_args value and replace hardcoded values by enum values.
> 	(elf32_arm_post_process_headers): Set e_flags in ELF header as hard
> 	float only when Tag_ABI_VFP_args is 1, using new enum value
> 	AEABI_VFP_args_vfp to check that.
>
>
> *** binutils/ChangeLog ***
>
> 2014-11-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
>
>          * readelf.c (arm_attr_tag_ABI_VFP_args): Add "compatible".
>
>
> *** gdb/ChangeLog ***
>
> 2014-11-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
>
> 	* arm-tdep.c (arm_gdbarch_init): Explicitely handle value 3 of
> 	Tag_ABI_VFP_args. Also replace hardcoded values by enum values in the
> 	switch handling the different values of Tag_ABI_VFP_args.
>
>
> *** gold/ChangeLog ***
>
> 2014-11-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
>
> 	* arm.cc (Target_arm::do_adjust_elf_header): Set e_flags in ELF header
> 	as hard float only when Tag_ABI_VFP_args is 1, using new enum value
> 	AEABI_VFP_args_vfp to check that.
> 	(Target_arm::merge_object_attributes): Handle new Tag_ABI_VFP_args
> 	value and replace hardcoded values by enum values.
>
>
> *** include/elf/ChangeLog ***
>
> 2014-11-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
>
>          * arm.h: New AEABI_FP_number_model_* and AEABI_VFP_args_* enum values.
>
>
> *** ld/testsuite/ChangeLog ***
>
> 2014-11-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
>
> 	* ld-arm/attr-merge-2a.s: Add Tag_ABI_VFP_args.
> 	* ld-arm/attr-merge-2b.s: Likewise.
> 	* ld-arm/attr-merge-2.attr: Likewise.
> 	* ld-arm/attr-merge-4a.s: Add Tag_ABI_FP_number_model and
> 	Tag_ABI_VFP_args.
> 	* ld-arm/attr-merge-4b.s: Likewise.
> 	* ld-arm/attr-merge-4.attr: Likewise.
> 	* ld-arm/attr-merge-6a.s: Likewise.
> 	* ld-arm/attr-merge-6b.s: Likewise.
> 	* ld-arm/attr-merge-6.attr: Add Tag_ABI_FP_number_model.


Approved - please apply.

Once again, sorry for the delay in reviewing this patch. :-(

Cheers
   Nick