2005-01-05 H.J. Lu <hongjiu.lu@intel.com>

2005-01-05  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.