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Re: Can LD give warnings about the non-static functions defined but never used explicitly?

From: Nick Clifton <nickc at redhat dot com>
To: Pan ruochen <panruochen at gmail dot com>
Cc: Alan Modra <amodra at bigpond dot net dot au>, Jonathan Adamczewski <jadamcze at utas dot edu dot au>, Eric Botcazou <ebotcazou at adacore dot com>, David Daney <ddaney at caviumnetworks dot com>, binutils at sourceware dot org
Date: Wed, 26 Nov 2008 10:07:05 +0000
Subject: Re: Can LD give warnings about the non-static functions defined but never used explicitly?
References: <af0faace0811232319n6e6789e5t6cc39ff5be836ed4@mail.gmail.com> <492AD467.1040109@caviumnetworks.com> <af0faace0811251803h6f693ad1h4bc1c97e02928bd5@mail.gmail.com>

Hi Pan,

One more question. I have some data stored in a special section. These
data are not referenced within the program but these data are useful
to an external loader. In this case, how to let LD know the data are
`used' and keep them on linking.

If you are using your own linker script, which is likely given that you have this special section, then you can use the KEEP linker script directive to ensure that this section is not removed when the linker performs its garbage collection.

Cheers
  Nick

Follow-Ups:
- Re: Can LD give warnings about the non-static functions defined but never used explicitly?
  - From: Pan ruochen

References:
- Can LD give warnings about the non-static functions defined but never used explicitly?
  - From: Pan ruochen
- Re: Can LD give warnings about the non-static functions defined but never used explicitly?
  - From: David Daney
- Re: Can LD give warnings about the non-static functions defined but never used explicitly?
  - From: Pan ruochen

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