Re: Binutils 2.28 on PowerPC: dangerous relocation: generic linker can't handle R_PPC_SECTOFF_HA

[Sebastian Huber <sebastian dot huber at embedded-brains dot de>]

Hello Alan,

On 20/05/2019 06:57, Alan Modra wrote:
> On Fri, May 17, 2019 at 07:20:39AM +0200, Sebastian Huber wrote:
> > On 16/05/2019 16:05, Alan Modra wrote:
> > > My point was that sym@sectoff@l and sym@sectoff@ha are exactly the
> > > same as sym@l and sym@ha respectively when sym is SHN_ABS.  It's fine
> > > to use @sectoff with symbols for addresses within output sections, but
> > > symbols representing the size of multiple output sections really
> > > shouldn't be @sectoff.
> > The problem is that if I change it to sym@ha and sym@l, then I get this
> > assembler error:
> >
> >      lis    r3,__size@ha
> >      addi    r3,r3,__size@l
> >
> > bsps/powerpc/motorola_powerpc/bootloader/head.S: Assembler messages:
> > bsps/powerpc/motorola_powerpc/bootloader/head.S:151: Error: relocation
> > cannot be done when using -mrelocatable
> > bsps/powerpc/motorola_powerpc/bootloader/head.S:152: Error: relocation
> > cannot be done when using -mrelocatable
> Hmm, that's the first I knew you were assembling with -mrelocatable
> (or noticed, if you said so).  Oh well, that makes my comment about
> @sectoff wrong.  Looks like you should continue using @sectoff and
> put __size = ABSOLUTE (.); in the script.

thanks for your kind help and patience. It was quite easy to fix in the end:

https://git.rtems.org/rtems/commit/?id=f419349a1370ffed9cb3d2322d01e801e012134e

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Sebastian Huber, embedded brains GmbH

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