Hi Albert,
On 04/02/15 21:29, Albert ARIBAUD wrote:
Hello Graeme,
On Wed, 04 Feb 2015 18:14:22 +1100, Graeme Russ
<gr...@tss-engineering.com> wrote:
So the first question that we need to answer is: Do the avr32, m68k,
nds32, and sparc toolchains support the generation of the relevant
sections needed to perform relocation in a manner similar to x86 (i.e
generation of relocation references into sections of the final U-Boot
binary)?
Those arches which use GCC should be able to use -pie / -pic-executable
and possibly --emit-relocs, as none of these is arch-specific.
That was my understanding too - it's a function of ELF, not the
architecture.
Then, each arch might have to look into what GCC options are needed.
For the record, on ARM, I did not need any gcc option, but actually
had one -fPIC option /removed/.
Yes, I vaguely remember this. The difference is that -fPIC is used for
relocatable LIBRARIES whereas -fPIE is used for relocatable EXECUTABLES.
Since U-Boot is a monolithic executable, -fPIC makes no sense
Regards,
Graeme
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