* elfxx-ia64.c (is_unwind_section_name): Add target vector as
argument so we can handle HP-UX specially.
(elfNN_ia64_hpux_vec): New for use in is_unwind_section_name.
(elfNN_hpux_backend_section_from_bfd_section): New for support
of SHN_IA_64_ANSI_COMMON.
(elfNN_ia64_relax_section): Add support for SHN_IA_64_ANSI_COMMON.
(is_unwind_section_name): Add special HP-UX support.
(elfNN_ia64_section_from_shdr): Add support for more sections.
(elfNN_ia64_fake_sections): Modify is_unwind_section_name call and
add support for more sections.
(elfNN_ia64_additional_program_headers): Modify
is_unwind_section_name call.
(elfNN_ia64_modify_segment_map): Remove assumption that there is
only one unwind section in segment.