Re: [PATCH 4/4] S390: Vector ABI support

[Andreas Arnez <arnez@linux.vnet.ibm.com>]

On Wed, Apr 22 2015, Andreas Arnez wrote:

> gdb/ChangeLog:
>
> 	* s390-linux-tdep.c: Include "elf/s390.h" and "elf-bfd.h".
> 	(enum s390_vector_abi_kind): New enum.
> 	(struct gdbarch_tdep)<vector_abi>: New field.
> 	(s390_effective_inner_type): Add parameter min_size.  Stop
> 	unwrapping if the inner type is smaller than min_size.
> 	(s390_function_arg_float): Adjust call to
> 	s390_effective_inner_type.
> 	(s390_function_arg_vector): New function.
> 	(s390_function_arg_integer): Adjust comment.
> 	(struct s390_arg_state)<vr>: New field.
> 	(s390_handle_arg): Add parameter 'is_vararg'.  Pass vector
> 	arguments according to vector ABI when appropriate.
> 	(s390_push_dummy_call): Initialize the argument state's field
> 	'vr'.  Adjust calls to s390_handle_arg.
> 	(s390_register_return_value): Handle vector return values.
> 	(s390_return_value): Apply the "register" return value convention
> 	to a vector when appropriate.
> 	(s390_gdbarch_init): Initialize tdep->vector_abi.
> 	* NEWS: Announce S390 vector ABI support.

Note that this patch depends on the definition of
Tag_GNU_S390_ABI_Vector.  This is added to include/elf/s390.h by the
following Binutils patch:

  https://sourceware.org/ml/binutils/2015-04/msg00316.html

--
Andreas