[U-Boot] ARM: problem with linker option -pie

Wolfgang Denk
2010-10-31T10:35:08Z

Dear Albert ARIBAUD,

In message <4CCD3A6F.7040303@free.fr> you wrote:
>
> The first test I did with a sample program which contains the three
> types of static scope objects: const, initialized and uninitialized, and
> I checked that the inititialized one lands in BSS which has NOBITS while
> explicitely initialized objects land in data sections with PROGBITS --
> that's akin to the LOAD attribute.

Thanks for checking.

> Both the ELDK 4.2 and the CS toolchains' linkers treat all three object
> types the same way with respect to relocation, and emit relocations to
> the uninitialized object, so not having LOAD attribute is irrelevant --
> BTW if it was, BSS relocation would never have worked.

Yes, I know. My speculation was that suchbehaviour (or linker options
to adjust it) might have changed in more recent versions of
gcc/binutils.

BTW: I would like to point out that so far we're blaming GCC, which is
not exaclt correct, as we always tested GCC+Binutils combos. For
completeness, we should separate compilation and linking and test for
example ELDK's gcc with CS's ld, and vice versa. Hope I will find
some time later this night. Hope the ghosts won't make too much of a
noise.

Best regards,

Wolfgang Denk

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