[arm] Stack alignment in crt?.asm

[Richard Earnshaw]

On Tue, 2004-05-04 at 01:30, Paul Brook wrote:
> The following patch makes crti.asm and crtn.asm push/pop an extra register. 
> This ensures that proper stack alignment is preserved.
> 
> Tested with cross to arm-none-elf.
> Ok?
> 
> Paul
> 
> 2004-05-04  Paul Brook  <paul@codesourcery.com>
> 
> 	* config/arm/crti.asm: Push an even number of registers.
> 	* config/arm/crtn.asm: And restore them.
> 

Ok, except for this one:


> -	ldmdb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, lr}
> +	ldmdb	fp, {r3, r4, r5, r6, r7, r8, r9, sl, fp, sp, lr}

Which also needs to be fixed to do the frame pointer dance (must load
via SP if restoring SP).

R.