XCore target: implement exception handling

[Robert Lytton]

Hi,

Here is a patch to enable exception handling of the xcore target.

Robert

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20131101/250afff2/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: PatchEH
Type: application/octet-stream
Size: 6981 bytes
Desc: PatchEH
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20131101/250afff2/attachment.obj>