[oe] Debugging u-boot

Tue Jul 12 19:35:54 UTC 2011

Hi Charles,

Building for Angstom and imx31 ..

Cheers,
Bernie 

------------------------------------------------------------------------------------------
I want to die peacefully in my sleep, like my grandfather, not screaming and yelling like the passengers in his car.

-----Original Message-----
From: Charles Manning [mailto:manningc2 at actrix.gen.nz] 
Sent: Tuesday, 12 July 2011 10:17 a.m.
To: openembedded-devel at lists.openembedded.org
Cc: Bernard Mentink
Subject: Re: [oe] Debugging u-boot

Hmmm.

What are you building for?
Works fine for me using the Angstrom build for omap3 (beagleboard, overo etc).

On Friday 08 July 2011 07:25:04 Bernard Mentink wrote:
> Hi Charles,
>
> Tried that but got the following linker error:
>
> ---------------------------------------------------------- error
> ---------------------------------------
>
> | 
> |/home/bernie/Stuff/build/tmp/sysroots/i686-linux/usr/armv6/arm-angstr
> |om-l
> |inux-gnueabi/bin/ld: failed to merge target specific data of file  
> |emutls_s.o  
> |/home/bernie/Stuff/build/tmp/sysroots/i686-linux/usr/armv6/arm-angstr
> |om-l
> |inux-gnueabi/bin/ld: error:
> | 
> |/home/bernie/Stuff/build/tmp/work/i686-armv6-sdk-angstrom-linux-gnuea
> |bi/g 
> |cc-cross-sdk-4.5-r36.2+svnr170880/gcc-4_5-branch/build.i686-linux.arm
> |-angs trom-linux-gnueabi/./gcc/crtendS.o uses VFP register arguments,  
> |./libgcc_s.so.1.tmp does not  
> |/home/bernie/Stuff/build/tmp/sysroots/i686-linux/usr/armv6/arm-angstr
> |om-l
> |inux-gnueabi/bin/ld: failed to merge target specific data of file  
> |/home/bernie/Stuff/build/tmp/work/i686-armv6-sdk-angstrom-linux-gnuea
> |bi/g 
> |cc-cross-sdk-4.5-r36.2+svnr170880/gcc-4_5-branch/build.i686-linux.arm
> |-angs trom-linux-gnueabi/./gcc/crtendS.o collect2: ld returned 1 exit 
> |status
> | make[2]: *** [libgcc_s.so] Error 1
> | make[2]: Leaving directory
> | 
> |`/home/bernie/Stuff/build/tmp/work/i686-armv6-sdk-angstrom-linux-gnue
> |abi/ 
> |gcc-cross-sdk-4.5-r36.2+svnr170880/gcc-4_5-branch/build.i686-linux.ar
> |m-ang strom-linux-gnueabi/arm-angstrom-linux-gnueabi/libgcc' make[1]: 
> |***  [all-target-libgcc] Error 2
> | make[1]: Leaving directory
> | 
> |`/home/bernie/Stuff/build/tmp/work/i686-armv6-sdk-angstrom-linux-gnue
> |abi/ 
> |gcc-cross-sdk-4.5-r36.2+svnr170880/gcc-4_5-branch/build.i686-linux.ar
> |m-ang strom-linux-gnueabi' make: *** [all] Error 2
> | + die 'oe_runmake failed'
> | + oefatal 'oe_runmake failed'
> | + echo FATAL
>
> NOTE: package gcc-cross-sdk-4.5-r36.2+svnr170880: task do_compile: 
>Failed
> ERROR: Function 'do_compile' failed (see  
>/home/bernie/Stuff/build/tmp/work/i686-armv6-sdk-angstrom-linux-gnueabi
>/gcc
>-cross-sdk-4.5-r36.2+svnr170880/temp/log.do_compile.14514 for further
> information) ERROR: Task 594
> (/home/bernie/Stuff/openembedded/recipes/gcc/gcc-cross-sdk_4.5.bb,
> do_compile) failed with exit code '1' ERROR:
> '/home/bernie/Stuff/openembedded/recipes/gcc/gcc-cross-sdk_4.5.bb' 
>failed
> 
>-----------------------------------------------------------------------
>----
>--------------------------
>
> Any idea what it could be?
>
> Cheers,
> bernie
>
>
>
>
> 
>-----------------------------------------------------------------------
>----
>--------------- I want to die peacefully in my sleep, like my 
>grandfather,  not screaming and yelling like the passengers in his car.
>
> -----Original Message-----
> From: openembedded-devel-bounces at lists.openembedded.org
> [mailto:openembedded-devel-bounces at lists.openembedded.org] On Behalf 
> Of Charles Manning Sent: Thursday, 7 July 2011 1:52 p.m.
> To: openembedded-devel at lists.openembedded.org
> Subject: Re: [oe] Debugging u-boot
>
> On Thu, Jul 7, 2011 at 1:13 PM, Bernard Mentink
<Bernard_Mentink at trimble.com> wrote:
> > Hi Charles,
> >
> > Didn't know you were lurking on this list ... ;-)
>
> You can run but you can't hide.
>
> > I have built for the angstom distro (arm-angstrom-linux-gnueabi-*), 
> > but the tools got put in my project path I described in my earlier 
> > email, but There was no GDB included for some reason ..
>
> The regular toolchian than oe builds for its own purposes does not use 
> gdb because gdb is not needed for building. That toolchain is intended 
> for use within OE bitbakery only.
>
> A meta-toolchain is built as a standalone toolchain intended for use 
> outside of OE (eg. if you pull u-boot to a standalone directory for 
> development purposes or want to do your own app development outside of 
> OE.)
>
> > How do you build the meta-toolchain, and how will that help.
>
> bitbake meta-toolchain.
>
> This makes a toolchain which you can unpack thus:
>
> $ cd /
> $ sudo tar xvjf
> 
>${OETOP}/tmp/deploy/glibc/sdk/angstrom-2009.X-test-20110301-armv7a-linu
>x-gn
>ueabi-toolchain.tar.bz2
>
> [NB your toolchain name will be something different]
>
>
> To set up all the paths etc use
>
> . /usr/local/angstrom/arm/environment-setup
>
> Google openembedded metatoolchain will also give some interesting info.
>
> NB If you're building apps and need extra libraries you will need to 
> make your own SDK. That's a bit more effort and you don't need all 
> that just for gdbing u-boot
>
> -- Charles
>
> > Cheers,
> > Bernie
> >
> >
> > --------------------------------------------------------------------
> > --
> > -------------------- I want to die peacefully in my sleep, like my 
> > grandfather, not screaming and yelling like the passengers in his car.
> >
> > -----Original Message-----
> > From: openembedded-devel-bounces at lists.openembedded.org
> > [mailto:openembedded-devel-bounces at lists.openembedded.org] On Behalf 
> > Of Charles Manning
> > Sent: Thursday, 7 July 2011 12:38 p.m.
> > To: openembedded-devel at lists.openembedded.org
> > Subject: Re: [oe] Debugging u-boot
> >
> > Bernie
> >
> > What toolchain are you building?
> >
> > If you build meta-toolchain that should build all the stuff you can 
> > put into /usr/local/angstrom/arm/... which includes gdb.
> >
> > That should then work with a JTAG debugger etc.
> >
> > -- Charles
> >
> > On Thu, Jul 7, 2011 at 11:25 AM, Bernard Mentink
<Bernard_Mentink at trimble.com> wrote:
> >> Hi All,
> >>
> >> Can some one please tell me how to debug u-boot  on my target. I 
> >> have built u-boot for similar hardware and I want to debug with 
> >> gdb, but cannot even find the cross-compile version of gdb, It does 
> >> not exist in the directory 
> >> "build/tmp/sysroots/i686-linux/usr/armv6/bin/" where the other cross-compile tools live ..
> >>
> >> I want to execute "${CROSS_COMPILE}gdb u-boot"
> >>  .. and breakpoint at some very early symbol ..... Some steps to 
> >> achieving this would be much appreciated ..
> >>
> >> Many Thanks,
> >> Bernie
> >>
> >>
> >>
> >>
> >> _______________________________________________
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> >> ve
> >> l
> >
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> > el
> >
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>
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