[yocto] prelink & mklibs problem
Mark Hatle
mark.hatle at windriver.com
Wed Dec 10 15:09:56 PST 2014
On 12/9/14, 9:01 PM, Mark Hatle wrote:
> On 12/9/14, 8:41 PM, Qiang Yu wrote:
>> I have submitted a bug here:
>> https://bugzilla.yoctoproject.org/show_bug.cgi?id=7056
>
> (Responded in the bug as well...) I have a test version of the cross prelink
> with the ARM HF patch available, as commit:
>
> 2cde4ff118b5244f5577d9bc585c1ee521740af0
>
> To enable it, use the following in your local.conf:
>
> SRCREV_pn-prelink = "2cde4ff118b5244f5577d9bc585c1ee521740af0"
That link breaks regular arm prelink, it also missed a patch for the prelink-rtld.
Got a new one:
SRCREV_pn-prelink = "81bab23a4661fdaaa859325d6d3603811ecf1849"
--Mark
> If this works for you, I'll finish the patch and submit the changes.
>
> --Mark
>
>> Regards,
>> Qiang
>>
>> On Tue, Dec 9, 2014 at 11:51 PM, Mark Hatle <mark.hatle at windriver.com
>> <mailto:mark.hatle at windriver.com>> wrote:
>>
>> On 12/8/14, 3:55 AM, Jegan Chandru wrote:
>>
>> I recommend you to file a bug here https://bugzilla.yoctoproject.__org/
>> <https://bugzilla.yoctoproject.org/> if not
>> done already. You may get a proper answer on armhf support there. From
>> what I
>> see, (someone please correct me if I am wrong), there is no prelink
>> dynamic link
>> armhf patch. You can also create and submit the patch for review. AFAIK,
>> you are
>> gonna need to something like below,
>>
>> .dynamic_linker = "/lib/ld-linux-armhf.so.3" in arch-arm.c.
>>
>> This is not tested though. Please do a test yourselves.
>>
>>
>> See: http://marc.info/?l=fedora-__arm&m=135417053128837&w=2
>> <http://marc.info/?l=fedora-arm&m=135417053128837&w=2>
>>
>> Nobody had requested prelink support for armhf up to this point.
>>
>> Open an enhancement / bug and assign it to me. I'll do what I can to
>> integrate the patch officially.
>>
>> I had been waiting for the prelink upstream to merge this, but they never
>> bothered to, so I'll have to make it a Yocto Project 'cross-prelink'
>> specific path.
>>
>> --Mark
>>
>> -JC
>>
>> On Mon, Dec 8, 2014 at 1:52 PM, Qiang Yu <yuq825 at gmail.com
>> <mailto:yuq825 at gmail.com>
>> <mailto:yuq825 at gmail.com <mailto:yuq825 at gmail.com>>> wrote:
>>
>> Thanks for your reply. I almost give up.
>>
>> You mean that current yocto build doesn't support hard float ABI
>> prelink,
>> and the prelink source code needs to
>> be modified to use ld-linux-armhf.so.3?
>>
>> So this problem affect all armhf build of yocto, in other words prelink
>> doesn't work for yocto armhf at all now?
>>
>> Regards,
>> Qiang
>>
>> On Mon, Dec 8, 2014 at 3:28 PM, Jegan Chandru <pcjegan at gmail.com
>> <mailto:pcjegan at gmail.com>
>> <mailto:pcjegan at gmail.com <mailto:pcjegan at gmail.com>>> wrote:
>>
>> Hi,
>>
>> I think it has to do with the ld-linux-armhf.so.3. May be you
>> should
>> tell prelink that you have hard float ARM ABI to prelink for, than
>> ld-linux.so.3 . It means you need to add ld-linux-armhf.so.3 as a
>> dynamic linker.
>> You should patch the prelink source to get this done.
>>
>> HTH.
>>
>> -JC
>>
>>
>>
>> On Fri, Dec 5, 2014 at 7:41 AM, Qiang Yu <yuq825 at gmail.com
>> <mailto:yuq825 at gmail.com>
>> <mailto:yuq825 at gmail.com <mailto:yuq825 at gmail.com>>> wrote:
>>
>> Hi all,
>>
>> I'm building a image with local.conf:
>> USER_CLASSES ?= "buildstats image-mklibs image-prelink"
>>
>> but I think prelink does nothing on my image, because the
>> MD5SUM is
>> the same before and after
>> the prelink stage. The mklibs stage is also strange not print
>> anything. How to make prelink and
>> mklibs really work?
>>
>> Here is the log of log.do_rootfs:
>>
>> NOTE: ###### Generate images #######
>> NOTE: Executing mklibs_optimize_image ...
>> DEBUG: Executing shell function mklibs_optimize_image
>> DEBUG: Shell function mklibs_optimize_image finished
>> NOTE: Executing prelink_image ...
>> DEBUG: Executing shell function prelink_image
>> Size before prelinking 49304.
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /sbin/fstab-decode: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /sbin/bootlogd: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /sbin/killall5: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /sbin/init.sysvinit: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /sbin/halt.sysvinit: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /sbin/shutdown.sysvinit: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /sbin/runlevel.sysvinit: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /usr/sbin/dropbearmulti: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /bin/mountpoint.sysvinit: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /bin/busybox.suid: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /bin/busybox.nosuid: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /usr/bin/utmpdump.sysvinit: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /usr/bin/mesg.sysvinit: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /usr/bin/last.sysvinit: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /usr/bin/opkg-cl: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /usr/bin/bmw: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3
>> as dynamic linker
>>
>> /opt/yocto/rootfs/tmp/__sysroots/x86_64-linux/usr/__sbin/prelink:
>> /usr/bin/wall.sysvinit: Using /lib/ld-linux-armhf.so.3, not
>> /lib/ld-linux.so.3 as dynamic linker
>> Size after prelinking 49304.
>> DEBUG: Shell function prelink_image finished
>>
>> Regards,
>> Qiang
>>
>>
>> --
>> _________________________________________________
>> yocto mailing list
>> yocto at yoctoproject.org <mailto:yocto at yoctoproject.org>
>> <mailto:yocto at yoctoproject.org <mailto:yocto at yoctoproject.org>__>
>> https://lists.yoctoproject.__org/listinfo/yocto
>> <https://lists.yoctoproject.org/listinfo/yocto>
>>
>>
>>
>>
>> --
>> JCP
>>
>>
>>
>>
>>
>> --
>> JCP
>>
>>
>>
>> --
>> _________________________________________________
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>>
>>
>
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