* objcopy.c (struct section_list): Add fields remove, set_flags,
and flags. Change adjust from boolean to enum.
(remove_sections): Remove static variable.
(sections_removed): New static variable.
(copy_options): Add --set-section-flags.
(copy_usage): Mention --set-section-flags.
(parse_flags): New static function.
(find_section_list): New static function.
(is_strip_symbol): Change return type from int to boolean.
(is_strip_section): New static function.
(filter_symbols): Call is_strip_section.
(copy_object): When adding sections, check for specified flags or
VMA. Call filter_symbols if any sections are being removed.
(setup_section): Use find_section_list function rather than
looking through remove_sections and adjust_sections. Handle
--set-section-flags.
(copy_section): Use find_section_list rather than looking through
remove_sections.
(strip_main): Use find_section_list instead of adding items to
sections_removed.
(copy_main): Use find_section_list instead of adding items to
sections_removed and adjust_sections. Handle --set-section-flags.
* binutils.texi, objcopy.1: Document --set-section-flags.