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

[Andrew Haley]

John David Anglin writes:
 > > state, then perhaps they can build with --enable-languages.  But at
 > > the moment it doesn't look like we have a working
 > > MD_FALLBACK_FRAME_STATE_FOR, and we really need that for proper
 > > exception handling.
 > 
 > That could be the problem.  I know the ada people worked on dwarf2
 > support under hpux and found they needed to define it.

Yeah.  Getting this to work on proprietary operating systems is often
difficult because the way sigreturn() works may not be well-specified
or even may change with releases.  With free OS, it should be much
less of a problem.  It's still a pain to write, though.

Andrew.