Re: patch: fix unwinder to map dwarf regs to unwinder columns

[Richard Henderson <rth at redhat dot com>]

On Tue, Mar 11, 2003 at 08:07:32AM -0800, Aldy Hernandez wrote:
> 	* doc/tm.texi (Frame Registers): Document DWARF_REG_TO_UNWIND_COLUMN.
> 
> 	* unwind-dw2.c (DWARF_REG_TO_UNWIND_COLUMN): Define.
> 	(_Unwind_GetGR): Use DWARF_REG_TO_UNWIND_COLUMN.
> 	(_Unwind_SetGR): Same.
> 	(_Unwind_GetGRPtr): New.
> 	(_Unwind_SetGRPtr): New.
> 	(uw_update_context_1): Use accesor functions instead of accessing
> 	context->reg[] directly.
> 	(uw_install_context_1): Same.
> 	(execute_cfa_program): Same.
> 	(__frame_state_for): Same.
> 
> 	* config/rs6000/rs6000.c (spe_synthesize_frame_save): Use 1200 as
> 	the synthetic register offset.
> 
> 	* config/rs6000/rs6000.h (DWARF_REG_TO_UNWIND_COLUMN): New.

Ok.

>         info_ptr->spe_64bit_regs_used = insn_chain_scanned;

Oh, I didn't notice before, but your code for insn_chain_scanned
here is wrong.  Using a static variable means that you only scan
the first function in a translation unit.  You need to put this
in struct machine_function instead.


r~