PATCH: Check if DW_OP_fbreg has DW_AT_frame_base

[Nick Clifton]

Hi H. J.

> 2005-01-04  H.J. Lu  <hongjiu.lu@intel.com>
> 
> 	* readelf.c (have_frame_base): New.
> 	(need_base_address): Likewise.
> 	(saved_base_address): Likewise.
> 	(decode_location_expression): Return 1 if DW_AT_frame_base is
> 	needed.
> 	(debug_info): Add base_address and a have_frame_base pointer.
> 	(read_and_display_attr_value): Replace saved_DW_AT_low_pc with
> 	saved_base_address. Record base address. Set have_frame_base.
> 	Record if a location list has DW_AT_frame_base. Display if a
> 	location expression has no DW_AT_frame_base but needs one. Set
> 	saved_base_address only if needed.
> 	(process_debug_info): Clear have_frame_base, saved_base_address
> 	and set need_base_address.
> 	(display_debug_loc): Display if a location expression has no
> 	DW_AT_frame_base but needs one. Display if start >= end. Don't
> 	adjust for section address. Properly handle base address.
> 	(process_object): Free the have_frame_base pointer in
> 	debug_info.

Approved - please apply.

Cheers
   Nick