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

[Dave Martin]

On Thu, Aug 04, 2016 at 01:10:55PM +0200, Ard Biesheuvel wrote:
> On 4 August 2016 at 13:08, Dave Martin <Dave.Martin at arm.com> wrote:

[...]

> > or, for ldr_l:
> >
> > 0:      add     \dst, pc, #-8
> > 1:      add     \dst, \dst, #-4
> > 2:      ldr     [\dst, #0]
> >
> > .reloc  0b, R_ARM_ALU_PC_G0_NC, \sym
> > .reloc  1b, R_ARM_ALU_PC_G1_NC, \sym
> > .reloc  2b, R_ARM_LDR_PC_G2, \sym
> >
> > ... should produce precisely the same result at the .o stage.
> >
> 
> Yes, but how is LD going to perform the arithmetic involved in

What arithmetic?

> handling these relocations? That's is the more interesting part, and
> that is not implemented either in binutils < 2.18

You mean .reloc is not implemented < 2.18?

[...]

Cheers
---Dave