[Patch, microblaze]: Enable DWARF exception handling support

Michael Eager eager@eagerm.com
Tue Mar 19 17:05:00 GMT 2013


On 03/18/2013 05:47 AM, David Holsgrove wrote:
> Add DWARF exception handling support for MicroBlaze.
>
> Changelog
>
> 2013-03-18  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
>              David Holsgrove <david.holsgrove@xilinx.com>
>
>   * common/config/microblaze/microblaze-common.c: Remove
>     TARGET_EXCEPT_UNWIND_INFO definition.
>   * config/microblaze/microblaze-protos.h: Add microblaze_eh_return prototype.
>   * gcc/config/microblaze/microblaze.c: (microblaze_must_save_register,
>     microblaze_expand_epilogue, microblaze_return_addr): Handle
>     calls_eh_return
>     (microblaze_eh_return): New function.
>   * gcc/config/microblaze/microblaze.h: Define RETURN_ADDR_OFFSET,
>     EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX,
>     ASM_PREFERRED_EH_DATA_FORMAT
>   * gcc/config/microblaze/microblaze.md: Define eh_return pattern.

Hi David --

I see about 50 more failures (an increase from 137 to 189) in the g++
regression tests after applying this patch.  I haven't looked at the
failures in detail.


-- 
Michael Eager	 eager@eagercon.com
1960 Park Blvd., Palo Alto, CA 94306  650-325-8077



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