[U-Boot-Users] fixup section problem.

Wolfgang Denk wd at denx.de
Thu Nov 2 12:31:55 CET 2006


Hello,

in message <4549B883.7050309 at aotek.es> you wrote:
> 
> Looking into the sources we have found some places where the fixup 
> elements seem to be relocated manually, i.e.:

Yes, all statically initialized pointers need to be relocated
manually.

> Is there any reason to leave the FIXUP section empty in U-Boot? Is it a 
> bug?.

This is probably a side-effect of  my  limited  untestanding  of  the
linker magic. Please feel free to call it a bug.

> Checking the u-boot.lds file for the IceCube board we have found that 
> fhe fixup section is included in the TEXT section and in the RELOC 
> section, but the linker generate code only for the TEXT section. If we 
> put it only in the RELOC section the FIXUP is not empty, the pointers 
> adjustement in the start.S seems to work properly and the 
> malloc_bin_reloc() function would be not necessary. Does anynone know if 
> I'am missing something?

Most probably you know more about these things than me, so any fix to
make relocation simpler and more reliable are welcome.

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
The last thing one knows in constructing a work is what to put first.
- Blaise Pascal




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