Re: Fw: Re: Java interpreter on ARM GNU/Linux
Daniel Jacobowitz writes:
> On Thu, Jul 12, 2007 at 11:53:19PM +0100, Wookey wrote:
No he didn't. I did.
> > 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.
Interesting. Presumably there is enough information in the unwinder
data to do it? If it's technically impossible to do a simple
backtrace then I have to wonder what the point of the EABI is.
Andrew.
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