From: Florian Weimer <fweimer@redhat.com>
To: Alan Modra via Libc-alpha <libc-alpha@sourceware.org>
Cc: Alan Modra <amodra@gmail.com>
Subject: Re: Use __ehdr_start rather than _begin in _dl_start_final
Date: Wed, 27 Apr 2022 18:08:35 +0200 [thread overview]
Message-ID: <87r15ifr0c.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <Ymk4dQAkaGYfZWWT@squeak.grove.modra.org> (Alan Modra via Libc-alpha's message of "Wed, 27 Apr 2022 22:05:01 +0930")
* Alan Modra via Libc-alpha:
> __ehdr_start is already used in rltld.c:dl_main, and can serve the
> same purpose as _begin. Besides tidying the code, using linker
> defined section relative symbols rather than "-defsym _begin=0" better
> reflects the intent of _dl_start_final use of _begin, which is to
> refer to the load address of ld.so rather than absolute address zero.
Looks reasonable. I verified it still builds everywhere.
Thanks,
Florian
next prev parent reply other threads:[~2022-04-27 16:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-27 12:35 Alan Modra
2022-04-27 16:08 ` Florian Weimer [this message]
2022-04-27 18:54 ` Adhemerval Zanella
2022-04-28 7:07 ` Alan Modra
2022-04-29 23:01 ` Alan Modra
2022-04-30 11:27 ` Florian Weimer
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