From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Jamie Lokier <jamie@shareable.org>
Cc: "George G. Davis" <gdavis@mvista.com>,
Ben Dooks <ben-linux@fluff.org>,
David Woodhouse <dwmw2@infradead.org>,
muzungu@gmx.net, linux-embedded@vger.kernel.org,
linux-arm-kernel@lists.arm.linux.org.uk
Subject: Re: Can I run an application compiled with gcc ABI 2.95 on a kernel compiled with gcc ABI 3.4?
Date: Fri, 15 May 2009 22:42:36 +0100 [thread overview]
Message-ID: <20090515214236.GY650@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20090515145435.GF8235@shareable.org>
On Fri, May 15, 2009 at 03:54:35PM +0100, Jamie Lokier wrote:
> Register/parameter assignment: How is that relevant to the kernel
> interface, if the kernel itself and modules are all EABI? The system
> call interface is a fixed set of registers.
No it is not. The syscall interface obeys the ABI register allocation
rules as well, otherwise we have to have veneeer layers to reshuffle
the registers prior to calling C functions.
next prev parent reply other threads:[~2009-05-15 21:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-15 11:50 Can I run an application compiled with gcc ABI 2.95 on a kernel compiled with gcc ABI 3.4? muzungu
2009-05-15 12:31 ` David Woodhouse
2009-05-15 13:51 ` Jamie Lokier
2009-05-15 13:55 ` Ben Dooks
2009-05-15 14:32 ` George G. Davis
2009-05-15 14:54 ` Jamie Lokier
2009-05-15 14:56 ` Jamie Lokier
2009-05-15 21:42 ` Russell King - ARM Linux [this message]
2009-05-15 13:56 ` David Woodhouse
2009-05-15 14:03 ` Gustavo Zacarias
2009-05-15 16:31 ` Nicolas Pitre
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