[PATCH, rs6000] ELFv2 ABI 1/8 - 8/8

[David Edelsohn]

> To avoid having a partial ABI implementation in tree, it seems best
> to commit this whole patch series as a single commit.

> Is the series OK for mainline?

The 8 patch series implementing and enabling ELFv2 is okay, including
the implementation of command line switches.

There appear to be a few new regressions on AIX for
compat/struct-layout that need to be analyzed and addressed.

Thanks, David