[rfc] Use trad_frame_alloc_saved_regs everywhere

[Markus Deuling]

Hi, 

there were still 3 places (1 in unused source in score-tdep.c) where frame_obstack_zalloc was used
instead of trad_frame_alloc_saved_regs. SIZEOF_FRAME_SAVED_REGS was only used with this 3 functions 
and thus is removed by this patch also.

I tried to port alpha target to use trad_frame_alloc_saved_regs correctly but I'm not sure I covered 
everything. I'd appreciate it very much if someone with access to an alpha machine could run the testsuite.

What about that unused source part in score-tdep.c? Is it ok to delete it?

Tested by building score and alpha target. Is this ok ?

ChangeLog:

	* score-tdep.c: Remove unused source parts.
	* frame.h (SIZEOF_FRAME_SAVED_REGS): Remove.

	* alpha-tdep.c (trad-frame.h): Add new include.
	(alpha_heuristic_frame_unwind_cache): Use trad_frame_alloc_saved_regs
	instead of frame_obstack_zalloc.
	* alpha-mdebug-tdep.c (alpha_mdebug_frame_unwind_cache): Likewise.

	(alpha_heuristic_unwind_cache): Use trad_frame_saved_reg as
	saved_regs.
	(alpha_heuristic_frame_prev_register): Likewise.

	* Makefile.in (alpha-tdep.o): Add dependency to trad_frame_h.


Regards,
Markus

-- 
Markus Deuling
GNU Toolchain for Linux on Cell BE
deuling@de.ibm.com


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