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Re: Compressed code sections

From: Nick Clifton <nickc at redhat dot com>
To: Will Newton <will dot newton at gmail dot com>
Cc: binutils at sourceware dot org
Date: Mon, 07 Jul 2008 16:51:54 +0100
Subject: Re: Compressed code sections
References: <87a5b0800806250432y3d30612ahc34bd802aa2e8c04@mail.gmail.com>

Hi Will,

I'm implementing support for a code compression technology, and my
first approach to implementation was to modify ld so that on a final
link the code sections would be compressed. This proves to be
difficult because bfd does not seem to have support for an on-disk
section being smaller than the same section in memory (i.e. we have
vma and lma, but just one size per section). Are there any hooks in
the linker that might be able to do this?

Not really no. Sorry.

You might try looking at the sources for the new linker (gold) since that is not using the BFD library.

You might also consider creating your own tool to be run after the linker which does the section compression.

Cheers
  Nick

Follow-Ups:
- Re: Compressed code sections
  - From: Will Newton

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