Re: GCJ on arm-linux

[Tom Tromey <tromey at redhat dot com>]

>> Signal handlers are simpler than they used to be, for sure.  We'd need
>> MD_FALLBACK_FRAME_STATE_FOR.

Casey> This I was aware of (and the replies confirmed it). What does this do? I
Casey> understand what FFI needs to do, but this is really opaque.

There are some docs for this macro in gcc/doc/tm.texi.  Essentially it
is what lets us throw an exception from a signal handler.  Special
support is needed for the unwinder to be able to unwind through a
signal frame; this macro tells GCC how to do that.

Tom