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.ha...@windriver.com
<mailto:mark.ha...@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 <yuq...@gmail.com
         <mailto:yuq...@gmail.com>
         <mailto:yuq...@gmail.com <mailto:yuq...@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 <pcje...@gmail.com
         <mailto:pcje...@gmail.com>
              <mailto:pcje...@gmail.com <mailto:pcje...@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 <yuq...@gmail.com
         <mailto:yuq...@gmail.com>
                  <mailto:yuq...@gmail.com <mailto:yuq...@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


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                  JCP





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         JCP



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