Hello Wolfgang,
Wolfgang Denk wrote:
Dear Reinhard Meyer,
In message 4CA79896.2010606@emk-elektronik.de you wrote:
I agree here. _If_ relocation, it should work without hand-adding fixup stuff to all functions using initialized data with pointers. Even Wolfgang forgot to fixup his 2nd level command table in cmd_nvedit.c ;)
I didn't forget it - at least not in the sensse that I think this is something that needs to be done.
This works fine on PPC with relocation, and we should make it work the same on other arches.
If we find a way for this on ARM, Ack!
And, for space concerns in flash, relocation should always be an option on a board by board basis...
NAK.
And as an idea, if position independent code is used, only pointers in initialized data need adjustment. Cannot the linker emit a table of addresses that need fixing?
It does. That's the GOT.
So I thought too, and I made a fixup in relocate_code() for the GOT entries. But this don;t work with for example the commandtables.
bye, Heiko