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Date: Thu, 26 Mar 2015 17:35:48 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai] Xenomai 3.0-rc3 Interruption on Arietta G25
 (AT91SAM9G25 chip)
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To: Tianchi Huang <gz.eddie.htc@gmail.com>
Cc: xenomai@xenomai.org

On Thu, Mar 26, 2015 at 05:26:57PM +0100, Tianchi Huang wrote:
> eddie@eddie-VirtualBox:~/Desktop/xenomai-3/linux-3.14.17/arch/arm/mach-at91$
> objdump -t *.o | grep gpio_irq_handler -H
> (standard input):0000c17c l     F .text 000000d4 gpio_irq_handler
> (standard input):0018db84 l     F .text 000000d0 gpio_irq_handler
> eddie@eddie-VirtualBox:~/Desktop/xenomai-3/linux-3.14.17/arch/arm/mach-at91$
> objdump -t *.o > log

Look for the symbol gpio_irq_handler in the vmlinux file, then run
addr2line to see where the symbol comes from.

-- 
					    Gilles.