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Re: Add SHF_GNU_COMPRESSED

From: Cary Coutant <ccoutant at google dot com>
To: "H.J. Lu" <hjl dot tools at gmail dot com>
Cc: Binutils <binutils at sourceware dot org>
Date: Tue, 20 Jul 2010 11:07:21 -0700
Subject: Re: Add SHF_GNU_COMPRESSED
References: <AANLkTik7RPF4m7kmcDeiOxRZrOzzAEwnw2rtUX0T9oF1@mail.gmail.com> <AANLkTinwDpG5p9qd7zbTrZIk_ZzjMKxqgRY95D_7awW4@mail.gmail.com> <AANLkTimolwlnbvzNwOpfDT6INQcg4GqoDmVBq9m3U_Kn@mail.gmail.com> <AANLkTikSfbhQGtTJ5RPmuctX0DMOciwuR-3xgfWBI6DY@mail.gmail.com> <AANLkTinly8CFMB6GCWPkJPZg-mcvCJqg3X2NocJZW5Pm@mail.gmail.com>

> I will update linker to read SHF_GNU_COMPRESSED. Writing will be tricky.
> It will be done later.
>
> Does gold support writing compressed debug sections?

Yes, it does: --compress-debug-sections={zlib|none}.

For merge sections, gold builds the output section in a temporary
buffer, then compresses that and writes it to the output file.

-cary

References:
- Add SHF_GNU_COMPRESSED
  - From: H.J. Lu
- Re: Add SHF_GNU_COMPRESSED
  - From: H.J. Lu
- Re: Add SHF_GNU_COMPRESSED
  - From: H.J. Lu
- Re: Add SHF_GNU_COMPRESSED
  - From: Cary Coutant
- Re: Add SHF_GNU_COMPRESSED
  - From: H.J. Lu

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