From: Jozef Lawrynowicz <jozef.l@mittosystems.com>
To: Florian Weimer <fweimer@redhat.com>
Cc: gnu-gabi@sourceware.org
Subject: Re: [RFC] SHF_GNU_RETAIN ELF Section Flag
Date: Tue, 15 Sep 2020 13:31:55 +0100 [thread overview]
Message-ID: <20200915123155.xpow3oxpzycsq3ie@jozef-acer-manjaro> (raw)
In-Reply-To: <877dsvjl71.fsf@oldenburg2.str.redhat.com>
On Tue, Sep 15, 2020 at 02:09:22PM +0200, Florian Weimer wrote:
> * Jozef Lawrynowicz:
>
> > I'd like to propose a new ELF section flag, SHF_GNU_RETAIN, for addition
> > to the GNU gABI.
> >
> > This flag instructs the linker to "retain" the section in the output
> > file, even if garbage collection would remove it because it appears
> > unused.
>
> How does this flag interaction with libraries (.a files)?
If a section in a library has SHF_GNU_RETAIN set, and that library gets
searched by the linker for some undefined symbol, then the
SHF_GNU_RETAIN section will also be pulled into the program, and
retained in the linked output file.
Thanks,
Jozef
next prev parent reply other threads:[~2020-09-15 12:31 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 12:06 Jozef Lawrynowicz
2020-09-15 12:09 ` Florian Weimer
2020-09-15 12:31 ` Jozef Lawrynowicz [this message]
2020-09-15 12:37 ` Florian Weimer
2020-09-15 12:50 ` Carlos O'Donell
2020-09-15 12:55 ` Florian Weimer
2020-09-15 13:29 ` Jozef Lawrynowicz
2020-09-15 14:11 ` Carlos O'Donell
2020-09-15 16:52 ` Jozef Lawrynowicz
2020-09-16 12:58 ` Carlos O'Donell
2020-09-16 13:11 ` Florian Weimer
2020-09-16 13:46 ` Michael Matz
2020-09-18 12:07 ` Florian Weimer
2020-09-18 12:22 ` Jozef Lawrynowicz
2020-09-18 18:09 ` Florian Weimer
2020-09-16 14:13 ` Jozef Lawrynowicz
2020-09-18 10:00 ` Jozef Lawrynowicz
2020-09-18 18:11 ` Florian Weimer
2020-09-21 12:42 ` Michael Matz
2020-09-21 18:53 ` Jozef Lawrynowicz
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