[patch 3.4/3.5] libffi & libjava port for hppa-linux

[Andrew Haley]

John David Anglin writes:
 > > That said, if a libjava maintainer could pinpoint the likely causes of the 
 > > failures, I'd glad to take a look.
 > 
 > Same here.  Randolph Chung and I both tried to debug the java exception
 > failures but we weren't able to determine the cause.

MD_FALLBACK_FRAME_STATE_FOR has not yet been written, as far as I can
see.  This is part of finishing the gcj port.

Andrew.