[PATCH 1/8] ARM: assembler: introduce adr_l, ldr_l and str_l macros

[Dave Martin]

On Thu, Aug 04, 2016 at 09:40:50AM +0200, Ard Biesheuvel wrote:
> On 3 August 2016 at 20:09, Russell King - ARM Linux
> <linux at armlinux.org.uk> wrote:
> > On Wed, Aug 03, 2016 at 05:38:43PM +0200, Ard Biesheuvel wrote:
> >> +     add     \dst, pc, #:pc_g0_nc:(\sym) - 8
> >> +     add     \dst, \dst, #:pc_g1_nc:(\sym) - 4
> >> +     add     \dst, \dst, #:pc_g2:(\sym)
> >
> > What's this :pc_g0_nc: stuff?  What binutils versions is it supported
> > in?  It doesn't appear documented in gas 2.23.91, so I don't think we
> > can use it.
> >
> 
> binutils 2.18 and up

I think this was contemporary with GCC 4.<some middling version>, which
may be newer than the minimimum compiler we require for the kernel,
particular for earlier arch versions.

Using .reloc probably allows the same thing to be done in a more
backwards-compatible way.

Cheers
---Dave