[patch ld bfd gas]: Handle linkonce for cfi generated debug_frame and eh_frame data

[Nick Clifton]

Hi Kai,

>> ChangeLog bfd/
>> >  2011-04-18  Kai Tietz
>> >
>> >          * coffcode.h (sec_to_styp_flags): Allow linkonce for
>> >          debugging sections.
>> >
>> >  ChangeLog gas/
>> >  2011-04-18  Kai Tietz
>> >
>> >         * dw2gencfi.c (dwcfi_seg_list): New struct.
>> >         (dwcfi_hash): New static hash variable.
>> >         (get_debugseg_name): New.
>> >         (alloc_debugseg_item): New.
>> >         (make_debug_seg): New.
>> >         (dwcfi_hash_insert): New.
>> >         (dwcfi_hash_find): New.
>> >         (dwcfi_hash_find_or_make): New.
>> >         (cfi_insn_data): New member cur_seg.
>> >         (cie_entry): Likewise.
>> >         (fde_entry): New cseg and handled members.
>> >         (alloc_fde_entry): Initialize cseg member.
>> >         (alloc_cfi_insn_data): Initialize cur_seg member.
>> >         (dot_cfi_sections): Compare for beginning of
>> >         section names via strncmp.
>> >         (get_cfi_seg): New.
>> >         (cfi_finish): Treat link-once sections.
>> >         (is_now_linkonce_segment): New local helper.
>> >         (output_cie): Ignore cie entries not member of current
>> >         segment.
>> >         (output_fde): Likewise.
>> >         (select_cie_for_fde): Likewise.
>> >         (cfi_change_reg_numbers): Add new argument for current segment
>> >         and ignore insn elements, if not part of current segment.
>> >         * ehopt.c (get_cie_info): Use strncmp for
>> >         section name matching.
>> >         (heck_eh_frame): Likewise.
>> >
>> >  ChangeLog ld/
>> >
>> >  2011-04-18  Kai Tietz
>> >
>> >         * scripttempl/pe.sc: Likewise.
>> >         * scripttempl/pep.sc: Likewise.
>> >
>> >  ChangeLog ld/testsuite/
>> >
>> >  2011-04-18  Kai Tietz
>> >
>> >          * ld-pe/pe.exp: Add cfi/cfi32 tests.
>> >          * ld-pe/cfi.d: New.
>> >          * ld-pe/cfi32.d: New.
>> >          * ld-pe/cfia.s: New.
>> >          * ld-pe/cfib.s: New.
>> >

Approved and applied,  Sorry for the delay.

Cheers
   Nick