From: Andreas Schwab <schwab@linux-m68k.org>
To: opensbi@lists.infradead.org
Subject: Questions for OpenSBI to support position independent execution
Date: Fri, 22 Jan 2021 10:52:25 +0100 [thread overview]
Message-ID: <87a6t1uwme.fsf@igel.home> (raw)
In-Reply-To: <CAAhSdy0SrvzxnQdpeNhpCXfH1c=dOycNGis2=otNs=xdCUbxGg@mail.gmail.com> (Anup Patel's message of "Fri, 22 Jan 2021 11:01:18 +0530")
On Jan 22 2021, Anup Patel wrote:
> The proposal for position-independent OpenSBI firmwares has been
> suggested in the past. Our only concern with position-independent
> code is additional instructions added in hot-path which can affect
> performances because all global variables and global functions will
> now be referred via GOT.
If you compile it as PIE that should all end up as pc-relative.
Andreas.
--
Andreas Schwab, schwab at linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
next prev parent reply other threads:[~2021-01-22 9:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-22 4:10 Questions for OpenSBI to support position independent execution Vincent Chen
2021-01-22 5:31 ` Anup Patel
2021-01-22 9:52 ` Andreas Schwab [this message]
2021-01-25 2:27 ` Vincent Chen
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