>
> Peter Tyser <pty...@xes-inc.com> wrote on 28/09/2009 17:08:58:
> > >
> > > Peter, I just discovered that my gcc 3.4.6 allows me to use -mrelocatable
> > > with -fpie
> > > -fpie is about the same as -fpic and -fPIE is similar to -fPIC
> > > -fpie generates smaller code so one could consider using -fpie and
> > > -mrelocatable
> > > However -fpic/-fpie needs some fixes to the relocation code, but a quick
> > > hack
> > > by me works on my board.
> > >
> > > Does -fpie and -mrelocatable compile for you and do you have a non zero
> fixup section?
> >
> > -fpie and -mrelocatable does compile for me (tested on the XPedite5370
> > with gcc 4.2.2) and has a non-zero fixup section. However, the -fpie
> > U-Boot image is slightly larger:
> >
> > pty...@petert u-boot $ size u-boot.PIC
> > text data bss dec hex filename
> > 304300 28644 33156 366100 59614 u-boot.PIC
> >
> > pty...@petert u-boot $ size u-boot.pie
> > text data bss dec hex filename
> > 304508 28624 33156 366288 596d0 u-boot.pie
> >
> > Let me know if I can provide any additional detail.
>
> ehh, that is strange. Did you run a make clean in between?
> Do you see any "bl _global_offset_tab...@local-4" if you generate
> assembler(-S)?
> Maybe you had both -fPIC and -fpie defined?
Seems like I was in a hurry, -fpie and -mrelocatable appears to silently
transform into -fPIE -mrelocatable so no gain there.
Jocke
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