Re: Cannot execute application on ARM target

["Jemian, Pete R. via Tech-talk" <tech-talk@aps.anl.gov>]

Also, please report the output of this command

uname -a

On 2019-01-12 10:39 PM, Williams Jr., Ernest L. via Tech-talk wrote:
> On 1/12/19 6:57 PM, 刘佳 wrote:
>>
>>
>>
>>     -----原始邮件-----
>>     *发件人:*"Williams Jr., Ernest L." <ernesto@slac.stanford.edu>
>>     *发送时间:*2019-01-11 23:52:15 (星期五)
>>     *收件人:* "刘佳" <liujia@ihep.ac.cn>
>>     *抄送:* "tech-talk@aps.anl.gov" <tech-talk@aps.anl.gov>
>>     *主题:* Re: Cannot execute application on ARM target
>>
>>     Yes, I built the IOC application via the EPICS templates:
>>
>>     makeBaseApp.pl -t example armexample
>>
>>         makeBaseApp.pl -i -t example armexample ( the architechture
>>     choose linux-arm, and the application name is armexample)
>>
> Okay, that is good.
> 
> 
>>
>>     I didn't change any configuration of the application, and then
>>     MAKE is no error. So I copy the <appTop> to the target.
>>
> In this step, I need more information:
> 
> What type of linux distro are running on your target?
> 
> What file system are you using?
> 
> Does you target do an nfs mount anywhere?
> 
> 
>>
>>     when I try to start the application on the target,
>>     ../../bin/linux-arm/armexample st.cmd,    the Error is:
>>
>>     -bash: ../../bin/linux-arm/armexample: No such file or directory
>>
>>
>>     and then I change to the <appTop>/bin/linux-arm/, chmod +x
>>     armexample, and./armexample, the Error is:
>>
>>     -bash: ./armexample: No such file or directory
>>
>>
>>     I didn't known what to do next, please give some advices, thanks a
>>     lot!
>>
>>
> In theory, this should be working.
> 
> After you copy the <appTop> to your target file system, please do a pwd().
> 
> I would like to see the path on your target.
> 
> 
> In general, I think we could help you troubleshoot this more efficiently 
> if you
> 
> list all the commands you type in your console.
> 
> 
> 
> Cheers,
> 
> Ernesto
> 
>>     Jia LIU
>>
>>
>>
>>     ------------------------------------------------------------------------
>>     *From:* tech-talk-bounces@aps.anl.gov
>>     <tech-talk-bounces@aps.anl.gov> on behalf of 刘佳 via Tech-talk
>>     <tech-talk@aps.anl.gov>
>>     *Sent:* Thursday, January 10, 2019 6:59 PM
>>     *To:* tech-talk@aps.anl.gov
>>     *Subject:* Cannot execute application on ARM target
>>     Hi,
>>     I am trying to build EPICS application on ARM target, and the
>>     cross compiling on host have no error,
>>     but the IOC on the target cannot execute:
>>         -bash: ./armexample: No such file or directory
>>
>>     *============================================================================================*
>>
>>     *[Ernest]:*
>>     *If you are building  your IOC application via the EPICS
>>     Templates, then executable is found here by default:*
>>     *<TOP>/bin/<T_A>/armexample*
>>     *
>>     *
>>     *For example, I built and application called "Jupiter" for a linux
>>     target:*
>>     *<TOP>/bin/rhel6-x86_64/Jupiter
>>     *
>>     *
>>     *
>>     *Please provide more information such as did you first create a
>>     skeleton for you app with:*
>>     *makeBaseApp.pl -t example
>>     ============================================================================================*
>>
>>
>>
>>     ########################################################
>>     my configuration as following:
>>         HOST: Ubuntu 14.04 (on VMware)
>>         TARGET: Exynos4412
>>         BASE: base-3.14.12.5
>>         GCC: arm-none-linux-gnueabi-gcc-4.4.1
>>
>>     the cross compiling configuration is:
>>         configure/CONFIG_SITE:
>>             CROSS_COMPILER_TARGET_ARCHS=linux-arm
>>             CROSS_COMPILER_HOST_ARCHS=linux-x86
>>             SHARED_LIBRARIES=NO
>>             STATIC_BUILD=YES
>>         configure/os/CONFIG_SITE.Common.linux-arm:
>>             #COMMANDLINE_LIBRARY = READLINE
>>         configure/os/CONFIG_SITE.linux-x86.linux-arm:
>>             GNU_DIR = /opt/armtoolchain/arm-2009q3
>>             GNU_TARGET = arm-none-linux-gnueabi
>>     ########################################################
>>
>>     the .bashrc configuration is:
>>         export EPICS_HOST_ARCH=linux-x86
>>         export EPICS_BASE=/home/control/epics/base-3.14.12.5
>>         export
>>     LD_LIBRARY_PATH=/opt/armtoolchain/arm-2009q3/lib:$EPICS_BASE/lib/linux-arm
>>
>>     I am still getting the error message on target, Please solve my
>>     above query.
>>
>>     Thanks
>>     Jia LIU
>>
>>
>>
> 

-- 
----------------------------------------------------------
Pete R. Jemian, Ph.D.                 <jemian@anl.gov>
Beam line Controls and Data Acquisition (BC, aka BCDA)
Advanced Photon Source,    Argonne National Laboratory
Argonne, IL  60439                    630 - 252 - 3189
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