[PATCH/RFC] Enable java on sh64-linux

[Andrew Haley]

Tom Tromey writes:
 > >>>>> ">" == Kaz Kojima <kkojima@rr.iij4u.or.jp> writes:
 > 
 > >> The appended patch is to enable java on sh64-*-linux-gnu target.
 > >> It only affects sh*-linux* targets anyway, and essentially affects
 > >> sh64-linux only.
 > 
 > This libjava configury bits look fine.  Someone else will have to
 > comment on the rest.
 > 
 > >> I've got the following results on libjava testsuite for mainline:
 > 
 > These are pretty bad...
 > 
 > >> FAIL: Array_3 execution - source compiled test
 > >> FAIL: Array_3 execution - gij test
 > >> FAIL: Array_3 execution - bytecode->native test
 > >> FAIL: Array_3 -O3 execution - source compiled test
 > >> FAIL: Array_3 execution - gij test
 > >> FAIL: Array_3 -O3 execution - bytecode->native test
 > 
 > This suggests that the SEGV -> NullPointerException code is not
 > working properly.  I see this port uses dwarf2-signal.h, so perhaps
 > MD_FALLBACK_FRAME_STATE_FOR isn't working properly?

My guess is that we need a custom sh-signal.h.

Andrew.