[patch] Add --compress-debug-sections option to gas

[H.J. Lu]

On Thu, Jul 1, 2010 at 6:03 PM, Cary Coutant <ccoutant@google.com> wrote:
>> SEC_IN_MEMORY isn't sufficient.  Other sections will be SEC_IN_MEMORY
>> too, eg. SHT_GROUP sections.  I think your alternate approach of
>> twiddling the frag list is indicated.
>
> Here's an updated patch that builds a new frag list. Since a frag
> requires the data to follow the struct immediately, it didn't work
> with the nice clean interface I added to bfd. It did lead to a more
> efficient way of compressing, however: I now just stream each frag
> through the compression engine, building new compressed frags as the
> compressed data comes out, using the same obstack. At the end, I
> replace the old frag list with the new one. I had to move the
> zlib-specific code into a separate source file, because I can't
> include as.h and zlib.h in the same file.
>
> -cary
>
>
> bfd/ChangeLog:
>
>        * compress.c (bfd_uncompress_section_contents): Add ATTRIBUTE_UNUSED.
>        * dwarf2.c (read_and_uncompress_section): New function.
>        (read_section): Call it.
>        (find_line): Likewise.
>

This change caused:

http://www.sourceware.org/bugzilla/show_bug.cgi?id=11817

-- 
H.J.