[U-Boot] ARM ld: section .bss overlaps section .rel.dyn

[Albert ARIBAUD <albert.u.boot@aribaud.net>]

Le 30/10/2011 12:33, Dirk Behme a ?crit :
> On 30.10.2011 11:57, Albert ARIBAUD wrote:
>> Le 30/10/2011 11:24, Albert ARIBAUD a ?crit :
>>> Hi Dirk,
>>>
>>> Le 30/10/2011 10:47, Dirk Behme a ?crit :
>>>>
>>>> Doing a ./MAKEALL ARMV7 (gcc [1]) with the recent git head I get a
>>>> lot of
>>>>
>>>> arm-none-linux-gnueabi-ld: section .bss [...] overlaps section
>>>> .rel.dyn [...]
>>>> arm-none-linux-gnueabi-ld: section .dynsym [...] overlaps section .bss
>>>> [...]
>>>> ...
>>>> make: *** [u-boot] Error 1
>>>>
>>>> for various boards [2]. I wasn't able to track this down to specific
>>>> commit, yet.
>>>>
>>>> Anybody with an idea?
>>>
>>> Weird... Linker file says explicitly that .bss does overlay above
>>> .rel.dyn, so the first message should not ever happen. As for the
>>> second, it could happen depending on the bss, .re.dyn and .dynsym
>>> sizes,
>>> maybe.
>>>
>>> I'll have a look today.
>>
>> I've tried ./MAKEALL efikamx with ELDK32, and did not see any warning

That was ELDK42, of course.

>> nn either u-boot/master (ce5207e191c59b3135303fd03b98dd2ac3701ba2) or
>> u-boot-arm/master (8305f7e98b5f7b9b6070777e68f3fe1871b9cd92).
>>
>> Can you check your setup for locally modified/added files and let me
>> know which exact commit ID you're building in (git rev-parse HEAD) and
>> which ARM repo it is from?
>
> I'm using u-boot/master (ce5207e191c59b3135303fd03b98dd2ac3701ba2).
> Anyway, git bisect seems to point to
>
> http://git.denx.de/?p=u-boot.git;a=commit;h=3cce8a5496452285e1828984ad3945417205cfc3
>
>
> Not sure why, though. Using omap3_pandora as an example:
>
>  > git rev-parse HEAD
> 3cce8a5496452285e1828984ad3945417205cfc3
>  > make distclean
>  > ./MAKEALL omap3_pandora
> Configuring for omap3_pandora board...
> arm-none-linux-gnueabi-ld: section .bss [8005d1e8 -> 8008fddb] overlaps
> section .rel.dyn [8005d1e8 -> 80063e97]
> arm-none-linux-gnueabi-ld: section .dynsym [80063e98 -> 80063f57]
> overlaps section .bss [8005d1e8 -> 8008fddb]
> arm-none-linux-gnueabi-ld: u-boot: section .bss vma 0x8005d1e8 overlaps
> previous sections
> make: *** [u-boot] Error 1
> size: './u-boot': No such file
>
> --------------------- SUMMARY ----------------------------
> Boards compiled: 1
> Boards with warnings or errors: 1 ( omap3_pandora )
> ----------------------------------------------------------

Builds fine with ELDK42 on my side.

uboot at lilith:~/src/u-boot-arm$ ./MAKEALL omap3_pandora
Configuring for omap3_pandora board...
    text	   data	    bss	    dec	    hex	filename
  377621	   7936	 207840	 593397	  90df5	./u-boot

--------------------- SUMMARY ----------------------------
Boards compiled: 1
----------------------------------------------------------
uboot at lilith:~/src/u-boot-arm$ git rev-parse HEAD
3cce8a5496452285e1828984ad3945417205cfc3

Can you double-check your toolchain and host OS?

Amicalement,
-- 
Albert.