[patch gas/ld]: Handle cfi generated segments for link-once text segments

[H.J. Lu]

On Mon, Feb 28, 2011 at 2:08 AM, Kai Tietz <ktietz70@googlemail.com> wrote:
> Hello,
>
> this patch does some optimization for cfi and eh_frame/debug for use
> in link-once segments.
>
> ChangeLog gas/
>
> 2011-02-28  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.
>        (fde_entry): New cseg member.
>        (alloc_fde_entry): Initialize cseg member.
>        (dot_cfi_sections): Compare for beginning of
>        section names via strncmp.
>        (get_cfi_seg): New.
>        (cfi_finish): Treat link-once sections.
>        * ehopt.c (get_cie_info): Use strncmp for
>        section name matching.
>        (heck_eh_frame): Likewise.
>
> ChangeLog ld/
>
> 2011-02-28  Kai Tietz
>
>        * scripttempl/alphavms.sc: Handle .eh_frame($|.)* sections.
>        * scripttempl/armbpabi.sc: Likewise.
>        * scripttempl/avr.sc: Likewise.
>        * scripttempl/crisaout.sc: Likewise.
>        * scripttempl/elf.sc: Likewise.
>        * scripttempl/elf32cr16.sc: Likewise.
>        * scripttempl/elf32crx.sc: Likewise.
>        * scripttempl/elf32msp430.sc: Likewise.
>        * scripttempl/elf32msp430_3.sc: Likewise.
>        * scripttempl/elf32sh-symbian.sc: Likewise.
>        * scripttempl/elf64hppa.sc: Likewise.
>        * scripttempl/elf_chaos.sc: Likewise.
>        * scripttempl/elfd10v.sc: Likewise.
>        * scripttempl/elfd30v.sc: Likewise.
>        * scripttempl/elfi370.sc: Likewise.
>        * scripttempl/elfm68hc11.sc: Likewise.
>        * scripttempl/elfm68hc12.sc: Likewise.
>        * scripttempl/elfmicroblaze.sc: Likewise.
>        * scripttempl/elfxtensa.sc: Likewise.
>        * scripttempl/epocpe.sc: Likewise.
>        * scripttempl/i386beos.sc: Likewise.
>        * scripttempl/i386go32.sc: Likewise.
>        * scripttempl/ip2k.sc: Likewise.
>        * scripttempl/iq2000.sc: Likewise.
>        * scripttempl/mcorepe.sc: Likewise.
>        * scripttempl/mep.sc: Likewise.
>        * scripttempl/mmo.sc: Likewise.
>        * scripttempl/pe.sc: Likewise.
>        * scripttempl/pep.sc: Likewise.
>        * scripttempl/v850.sc: Likewise.
>        * scripttempl/xstormy16.sc: Likewise.
>
> Tested for x86_64-w64-mingw32, i686-pc-cygwin, and
> x86_64-pc-linux-gnu. Ok for apply?
>
> Regards,
> Kai
>

Can you add some testcases?


-- 
H.J.