* elf.c (make_mapping): New static function.
(map_sections_to_segments): New static function.
(elf_sort_sections): New static function.
(assign_file_positions_for_segments): New static function.
(map_program_segments): Remove.
(get_program_header_size): Remove sorted_hdrs, count, and
maxpagesize parameters. Simplify.
(assign_file_positions_except_relocs): When generating an
executable, use assign_file_positions_for_segments.
(elf_sort_hdrs): Remove.
(_bfd_elf_sizeof_headers): Remove eliminated parameters from call
to get_program_header_size.
