[re] Java executables can abort trying to access a null pointer in a leaf function

[Bryce McKinlay]

Andrew Haley wrote:
>  > I'm getting the same result (program exit with abort) using
>  > gcc-4.1-20051029 under FreeBSD 5.4.  This happens reliably on many
>  > machines.  This code works fine using the same gcc source under Gentoo
>  > Linux with a 2.6.x kernel, so I assume FreeBSD is handling things a
>  > bit differently and causing the abort.
>
> I just realized that no-one has ever attempted to port the signal
> handling layer to FreeBSD.  On that platform you must compile with
> -fcheck-references.
>
> As far as I can see, configure.host in libjava is wrong: It should
> contain the line 
>
> CHECKREFSPEC=-fcheck-references
>
> under 
>
> *-*-freebsd*
>   

That's not necessary, as -fcheck-references is the default for all 
platforms unless can_unwind_signal in specified in configure.host.

Bryce