[ECOS] PowerPC: _GLOBAL_OFFSET_TABLE_ ?

[Jonathan Larmour]

Henning Baldersheim wrote:
> Hi
> 
> I am trying to get redboot to fit into the internal ram of the MPC555 
> that is 26K.
> That does not work very well as the _GLOBAL_OFFSET_TABLE_ starts at 32K 
> after .data. This is set in the powerpc.ld linker script.
> What is the _GLOBAL_OFFSET_TABLE_,  and what will happen if I move it ?

It's mostly used for position independent code. I don't know for definite 
with the PowerPC EABI, but I believe it's also used for small data/bss 
sections. In which case it won't matter where it points to as long as its 
within +/- 32K of all the .sdata and .sbss section contents.

Jifl
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