[U-Boot] U-Boot Bug with newer GCC

[Heiko Schocher <hs@denx.de>]

Hello Wolfgang, Sebastian,

On 01.02.2013 12:31, Wolfgang Denk wrote:
> In message <E70AF999396FDF4EAE40E195B847096109F5D3A9@SRVEXCH-2K10.CADCON.INTERN> you wrote:
>>
>> we are using u-boot in our embedded system with arm-1136jfs cpu.
> 
> Which exact system / board configuration is this?
> 
> And which exact U-Boot version (git commit ID ?) is it?
> 
>> We recently tried a new toolchain with GCC 4.7.2.
>> If compiled with the new toolchain the feature CONFIG_AUTO_COMPLETE isn't working.
> 
> We have been using GCC 4.7.2 for several months now, on many systems.
> No such problems have been reported before, so I speculate if this is
> really a problem with mainline code?

Sebastian wrote On 01.02.2013 08:55:
> we are using u-boot in our embedded system with arm-1136jfs cpu.
> We recently tried a new toolchain with GCC 4.7.2.
> If compiled with the new toolchain the feature CONFIG_AUTO_COMPLETE isn't working.
> U-Boot start normally and on hitting TAB the system freezes.
> I tracked the problem down the variables __u_boot_cmd_start and __u_boot_cmd_end. Both are not valid with the new toolchain. And accessing one results in a system freeze.
> Probably the is a problem in arch/arm/cpu/u-boot.lds. I really bad at linker scripts.

I just see some problems with ll_entry_* functions described in my
post here:
http://lists.denx.de/pipermail/u-boot/2013-February/145711.html

I do not know, if this is the same problem, as I face problems only
before relocation, after relocation all works fine ...

In this thread Marek wrote, that for this problem albert has
a solution ... (CCed albert and marek)

Albert? Can you help here?

bye,
Heiko
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