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Re: Fw: Re: Java interpreter on ARM GNU/Linux
- From: Riku Voipio <riku dot voipio at iki dot fi>
- To: debian-arm at lists dot debian dot org, java at gcc dot gnu dot org, Richard Earnshaw <Richard dot Earnshaw at arm dot com>
- Date: Fri, 13 Jul 2007 10:34:18 +0300
- Subject: Re: Fw: Re: Java interpreter on ARM GNU/Linux
- References: <20070712225319.GA11532@knossos.aleph1.co.uk> <20070713030322.GA10630@caradoc.them.org>
On Thu, Jul 12, 2007 at 11:03:22PM -0400, Daniel Jacobowitz wrote:
> On Thu, Jul 12, 2007 at 11:53:19PM +0100, Wookey wrote:
> > I can work around some of the failures, but I can't really be
> > bothered: the real fix for this is EABI.
> Unfortunately, the EABI won't fix this either. In its native form it
> supported neither forced unwinding nor _Unwind_Backtrace; we added
> forced unwinding for the benefit of NPTL (though we're still talking
> to ARM intermittently about its semantics). But no one's tried to
> make _Unwind_Backtrace work yet, and it's not clear how to. To me
> anyway. I've thought about recognizing the standard and/or GNU
> personality routines in libgcc...
Due to the amount of core libraries and tools building java bindings,
this is pretty much the top technical roadblock[1] on current debian
arm eabi port. We have currently workarounds for some of them (gettext,
swig, libdb*) atleast, but that is very much suboptimal.
-Riku
[1] The other one is g77, ARGH! Hopefully well get Debian migrated to
gfortran which atleast compiles fine for arm eabi..