From: Russell King <rmk@arm.linux.org.uk>
To: Rusty Russell <rusty@rustcorp.com.au>, linux-kernel@vger.kernel.org
Subject: Re: in-kernel linking issues
Date: Fri, 15 Nov 2002 13:16:45 +0000 [thread overview]
Message-ID: <20021115131645.A2168@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20021115045146.A23944@twiddle.net>; from rth@twiddle.net on Fri, Nov 15, 2002 at 04:51:46AM -0800
On Fri, Nov 15, 2002 at 04:51:46AM -0800, Richard Henderson wrote:
> to be used like so
>
> ld -T z.ld -shared -o z.so z.o
I'm slightly worried about this. For things like shared libraries to be
relocatable on ARM on current toolchains, you need to build with -fPIC.
This introduces a measurable overhead to all code execution which our
current model does not. (Namely all symbol references go via the GOT
table.)
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
next prev parent reply other threads:[~2002-11-15 13:09 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20021114143701.A30355@twiddle.net.suse.lists.linux.kernel>
2002-11-15 4:13 ` in-kernel linking issues Andi Kleen
2002-11-15 4:21 ` Richard Henderson
2002-11-15 8:44 ` Rusty Russell
2002-11-15 10:29 ` Andi Kleen
2002-11-15 12:51 ` Richard Henderson
2002-11-15 13:16 ` Russell King [this message]
2002-11-15 22:30 ` Richard Henderson
2002-11-15 21:21 ` Rusty Russell
2002-11-15 22:22 ` Richard Henderson
2002-11-15 22:45 ` Rusty Russell
2002-11-15 23:47 ` Richard Henderson
2002-11-16 6:19 ` Rusty Russell
2002-11-18 16:46 ` Kai Germaschewski
2002-11-19 6:26 ` Rusty Russell
2002-11-14 22:37 Richard Henderson
2002-11-16 5:47 ` Rusty Russell
2002-11-16 22:51 ` Richard Henderson
[not found] ` <20021117130132.AA5352C058@lists.samba.org>
2002-11-17 20:59 ` Richard Henderson
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