[GOLD] PowerPC -fsplit-stack support

[Peter Bergner]

On Fri, 2015-05-15 at 17:49 +0930, Alan Modra wrote:
> PowerPC64 ELFv1 requires a tweak to find_functions in order to return
> code addresses, rather than OPD entry addresses.  OK to apply?
> 
> 	* reloc.cc (Sized_relobj_file::find_functions): Use function_location.
> 	* powerpc.cc (Target_powerpc::do_calls_non_split): New function.
> 	(addi_12_1, addis_2_12, addis_12_1, cmpld_7_12_0): New constants.
> 	(lis_0): Rename from lis_0_0.

Alan, I see this is in trunk now.  We you planning on committing this
to the 2.25 branch?  We'd like to include this in our IBM 2.25 branch
and we're wondering whether all we'll need to do is merge with the
2.25 branch if you commit it there or whether we'll have to cherry
pick it from trunk.

Peter