Changing the default start address

Sebastian Huber sebastian.huber at
Tue Sep 17 07:28:44 UTC 2013

Hello Mohammed,

do you want to move the start code to a different memory location or do you 
want to simply change the entry symbol of the ELF file?

On 2013-09-17 02:54, Mohammed Khoory wrote:
> Hi,
> For certain hardware-related reasons, I need to change the starting address
> of my RTEMS executable to something slightly different than what the BSP
> specifies. For what I understood, this should be achievable by passing
> -Ttext=<address> to the linker. After doing that, I can see that all the
> relevant symbols (like start and others) have shifted to the new address if
> I check with readelf. Unfortunately, when I try to run it, the executable
> fails at a very early point due to an undefined trap.
> Is there anything else I should consider or change when changing the start
> address of the executable? I tried searching the BSP headers for the old
> address but I couldn't find anything useful.
> I'm using the LEON3 BSP (sparc). The default start address is 0x40000000.
> Thanks,
> Mohammed Khoory
> _______________________________________________
> rtems-users mailing list
> rtems-users at

Sebastian Huber, embedded brains GmbH

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