2006-05-03 Paul Brook <paul@codesourcery.com>

2006-05-03  Paul Brook  <paul@codesourcery.com>
	Daniel Jacobowitz  <dan@codesourcery.com>

	* gdb/dwarf2read.c (read_subroutine_type): Add armcc workaround.

	* gdb/dwarf2read.c (read_structure_type): Look for ADS vtable
	pointers.

	* gdb/dwarf2read.c (dwarf_decode_lines): Don't set dir for absolute
	paths.
	(dwarf_decode_lines): Ditto.
	(dwarf2_start_subfile): Split absolute filenames into path+file.

	* gdb/symtab.h (struct symbol): Add is_argument.
	(SYMBOL_IS_ARGUMENT): Define.
	* gdb/stack.c (print_frame_args): Use SYMBOL_IS_ARGUMENT.
	(print_frame_arg_vars): Ditto.
	* gdb/dwarf2read.c (new_symbol): Set SYMBOL_IS_ARGUMENT.
	(new_symbol): Mark optimized out arguments.

	* gdb/dwarf2read.c (partial_read_comp_unit_head): Accept version 3.

	* gdb/dwarf2read.c (read_unspecified_type): New function.
	(read_type_die): Handle DW_TAG_unspecified_type.