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Re: How do I get ld to pull sections from archived objects?
- From: Andreas Schwab <schwab at suse dot de>
- To: David Fernandez <david dot fernandez dot work at googlemail dot com>
- Cc: "binutils at sourceware dot org" <binutils at sourceware dot org>
- Date: Wed, 21 Aug 2013 12:47:16 +0200
- Subject: Re: How do I get ld to pull sections from archived objects?
- References: <CAA6dH31NUgy476CZ7Zzc_NjKoD1MooaTRACxw7AjrO9Nabtq-g at mail dot gmail dot com>
David Fernandez <david.fernandez.work@googlemail.com> writes:
> SECTIONS
> {
> ...
> my_special_thing ORIGIN(rom) : {
> KEEP(*(my_special_thing))
> }
> ...
> }
>
> If all the objects containing "my_special_thing" section are in
> archives, this section never makes it to the final elf file.
The KEEP operator is not about forcing a reference, only about not
dropping it, if --gc-sections is in effect. It will not change in any
way which inputs are considered for inclusion until the garbage
collector runs. Thus it has no effect unless --gc-sections is used.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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