[U-Boot] [PATCH] mpc83xx: Add -fpic relocation support

[Kim Phillips]

On Tue, 12 Oct 2010 19:41:56 +0200
Joakim Tjernlund <joakim.tjernlund at transmode.se> wrote:

> Kim Phillips <kim.phillips at freescale.com> wrote on 2010/10/12 19:31:25:
> > that moderate size increase in start.S breaks nand builds:
> > 
> > Configuring for MPC8313ERDB_NAND_66 board...
> > start.o:(.got2+0x4): undefined reference to `_GOT_TABLE_'
> > make[1]: *** [/home/r1aaha/git/u-boot/nand_spl/u-boot-spl] Error 1
> 
> ehh, these got there own linker scripts it seems
> I could #ifdef NAND_SPL I guess?
> Or possbly select one of GUT/GOT2 based on
> #if __pic__ == 1

I think NAND_SPL would be clearer, assuming no other differences are
involved.

> > Configuring for MPC8315ERDB_NAND board...
> > powerpc-linux-gnu-ld: NAND bootstrap too big
> > powerpc-linux-gnu-ld: NAND bootstrap too big
> > start.o:(.got2+0x4): undefined reference to `_GOT_TABLE_'
> > make[1]: *** [/home/r1aaha/git/u-boot/nand_spl/u-boot-spl] Error 1
> 
> How much is missing?

I can't tell due to the undefined reference error.

> One thing I wonder about: How come NAND_SPL need GOT2 relocs
> but no FIXUPs? I figured either none or both.

I don't know; apparently FIXUPs aren't needed?

Kim