update dwarf2 asm unwind info [hppa64-*-* failures]

[Richard Henderson]

John David Anglin wrote:
> I've appended an updated binutils change.  This adjusts the addend
> in tc-hppa.c and readelf.c to account for the fact that PA-RISC
> PCREL relocations are for symbol - PC - 8 + addend.

Gah.  What an annoying feature that is.  I've checked in the patch
with that change installed.

 > However, we still have some EH failures
> on linux.  On hppa64, we aren't failing the C cleanup tests but
> there are still a lot of g++ and libstdc++ EH failures.

Interesting that it works on hpux and not linux...  I thought we
were generating the same output on those two systems?


r~