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From: Florian Weimer <fweimer@redhat.com>
To: Wilco Dijkstra via Libc-alpha <libc-alpha@sourceware.org>
Cc: "H.J. Lu" <hjl.tools@gmail.com>,
	 Richard Henderson <richard.henderson@linaro.org>,
	 Wilco Dijkstra <Wilco.Dijkstra@arm.com>
Subject: Re: [RESEND PATCH] Makeconfig: Set pie-ccflag to -fPIE by default
Date: Mon, 29 Aug 2022 15:10:38 +0200	[thread overview]
Message-ID: <87pmgj2o1d.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <AS4PR08MB79019D7594DC14EF9F340BF283769@AS4PR08MB7901.eurprd08.prod.outlook.com> (Wilco Dijkstra via Libc-alpha's message of "Mon, 29 Aug 2022 11:49:51 +0000")

* Wilco Dijkstra via Libc-alpha:

> However this leads to the question is why aren't all symbols marked as
> hidden in the static PIE build? Ie. are there any symbols that must be
> shared with a DSO loaded by a dl_open?

The static main executable does not have a dynamic symbol table, so such
sharing cannot happen (except through function pointers being passed
around, but symbol visibility of course does not matter there).

Thanks,
Florian


  reply	other threads:[~2022-08-29 13:10 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-26 18:39 Wilco Dijkstra
2022-08-26 19:02 ` H.J. Lu
2022-08-26 19:45   ` Richard Henderson
2022-08-26 20:11     ` H.J. Lu
2022-08-29 11:49       ` Wilco Dijkstra
2022-08-29 13:10         ` Florian Weimer [this message]
2022-08-29 15:27           ` Wilco Dijkstra
2022-08-29 15:27             ` Wilco Dijkstra
2022-08-29 19:43             ` H.J. Lu
2022-08-29 19:57               ` Fangrui Song
2022-09-05  8:58                 ` Wilco Dijkstra
2022-09-15 21:45                   ` Fangrui Song
2022-09-20 13:59                     ` Wilco Dijkstra
2022-09-20 14:12                       ` Florian Weimer
2022-09-20 16:00                         ` Wilco Dijkstra
2022-09-20 22:02                           ` Fangrui Song
  -- strict thread matches above, loose matches on Subject: below --
2022-08-25 21:01 Richard Henderson
2022-08-26 12:32 ` Adhemerval Zanella Netto
2022-08-26 17:29   ` Richard Henderson

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