[PATCH] DW_OP_GNU_implicit_pointer binutils support, fix up DW_OP_call_ref

[Nick Clifton]

Hi Jakub,

> 2010-09-09  Jakub Jelinek<jakub@redhat.com>
>
> 	* dwarf.h (debug_info): Add offset_info and dwarf_version fields.
> 	* dwarf.c (decode_location_expression): Add offset_size and
> 	dwarf_version arguments.  Prefix DIE offset with 0x for
> 	DW_OP_call{2,4,_ref}.  Fix up DW_OP_call_ref operand size,
> 	complain if in frame info section.  Handle
> 	DW_OP_GNU_implicit_pointer.
> 	(read_and_display_attr_value, display_debug_loc,
> 	display_debug_frames): Adjust decode_location_expression callers.
> 	(process_debug_info): Save offset_size and dwarf_version values
> 	into debug_information array.
>
> 	* dwarf2.h (DW_OP_GNU_implicit_pointer): New.

Approved - please apply - but ...

> +    DW_OP_GNU_implicit_pointer = 0xf2,

Given that this is a GNU extension to the DWARF specification there 
ought to be comment providing a link to wherever it is documented.

Cheers
   Nick