[U-Boot] arm: wrong Relocation and not cleared BSS

[V, Aneesh]

Hi Albert, 

> -----Original Message-----
> From: Albert ARIBAUD [mailto:albert.aribaud at free.fr]
> Sent: Tuesday, November 02, 2010 12:02 PM
> To: V, Aneesh
> Cc: hs at denx.de; Alexander Holler; Darius Augulis; u-
> boot at lists.denx.de
> Subject: Re: arm: wrong Relocation and not cleared BSS
> 
> Le 02/11/2010 06:58, V, Aneesh a écrit :
> > Hi Heiko,
> >
> >> -----Original Message-----
> >> From: u-boot-bounces at lists.denx.de [mailto:u-boot-
> >> bounces at lists.denx.de] On Behalf Of V, Aneesh
> >> Sent: Tuesday, November 02, 2010 11:10 AM
> >> To: hs at denx.de; Alexander Holler
> >> Cc: Darius Augulis; u-boot at lists.denx.de
> >> Subject: Re: [U-Boot] arm: wrong Relocation and not cleared BSS
> >>
> >>
> >> Assembly listing:
> >> *****************
> >> 80e8017c<_board_init_r_ofs>:
> >> 80e8017c:       00000748        .word   0x00000748
> >>
> >> 80e80180<_rel_dyn_start_ofs>:
> >> 80e80180:       0002358c        .word   0x0002358c
> >>
> >> 80e80184<_rel_dyn_end_ofs>:
> >> 80e80184:       0002358c        .word   0x0002358c
> >>
> >> 80e80188<_dynsym_start_ofs>:
> >> 80e80188:       0002358c        .word   0x0002358c
> >>
> >
> > I don't know if this was clear in the previous mail. Please note
> that
> > last three labels have same value.
> >
> > Best regards,
> > Aneesh
> 
> Aneesh,
> 
> This has been seen on tx25 and analyzed over the last few days. The
> root
> cause was found to be a change in the .rel.dyn handling by the
> compilers. See if the fixes in
> 
> <http://article.gmane.org/gmane.comp.boot-loaders.u-boot/88156>
> <http://article.gmane.org/gmane.comp.boot-loaders.u-boot/88157>
> <http://article.gmane.org/gmane.comp.boot-loaders.u-boot/88158>
> 
> can apply to your board; either the .lds fix as done in the first
> two
> patches, or the fix in the third one, or both.

Thanks. This helps. I did the .lds change and it seems to be booting
now. 

However, I can't still explain my earlier observation because even in 
the absence of this fix .rel.dyn had some content and the offsets 
should have been different if I were to believe objdump.

Do you have any clue? 

Best regards,
Aneesh