[PATCH] ARM: signal: sigreturn_codes should be endian neutral to work in BE8

[Dave Martin]

On Tue, Aug 13, 2013 at 01:12:45PM +0100, Russell King - ARM Linux wrote:
> On Tue, Aug 13, 2013 at 12:12:11AM -0700, Victor Kamensky wrote:
> > In case of BE8 kernel data is in BE order whereas code stays in LE
> > order. sigreturn_codes array initializer need to use macros from
> > <asm/opcodes.h> to setup instructions code in endian neutral way.
> > 
> > Problem was discovered during ltp testing of BE system: all rt_sig*
> > tests failed. Tested against the same tests in both BE and LE modes.
> 
> It might make more sense to move these into a .S file actually.

That would make sense.  Since the kernel assumes v4, I think we can
assume sufficiently Thumb-capable tools that all these instructions can
be assembled directly without needing magic numbers.

Then the swabbing should be correct in vmlinux with no extra effort.

Cheers
---Dave