[coreboot] global variables in romstage

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Sat Aug 14 11:50:33 CEST 2010

On 14.08.2010 11:40, Stefan Reinauer wrote:
>  On 8/12/10 9:27 PM, Patrick Georgi wrote:
>> 1. [...]
>> This one looks for the size of .bss and .data (initialized and
>> uninitialized globals) and breaks the build if it finds any. It doesn't
>> tell, which global variables are involved.
>> 2. Add .bss and .data to /DISCARD/.
>> [...]
> I prefer option one, too, as
> - it catches all global variables, not just the used ones. We want to be
> sure that no such code sneaks in even if it's not used.
> - it provides a clear error message on what is wrong, inszead of the
> more cryptic one saying that a variable is defined in a discarded section.

Should we move some of the section checking of v3 to v4 as well? I will
soon have a bit more free time and plan to get up to speed on coreboot
development again.



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