RFR(s): 8065895: Synchronous signals during error reporting may terminate or hang VM process

[Andrew Haley]

On 11/27/2014 09:01 AM, David Holmes wrote:
> On 27/11/2014 5:36 PM, Thomas Stüfe wrote:
>> Unfortunately, I cannot test it, as I have no ARM environment. The best
>> I can come up with without testing is this:
>> http://stackoverflow.com/questions/16081618/programmatically-cause-undefined-instruction-exception
> 
> The issue is how to handle this? Put ifdefs for ARM in the open code? 
> Revert to your per-platform solution? Some other variation? Or do we 
> just not care if we can't trigger SIGILL on ARM? Though I'd like to hear 
> from the AARCH64 folk too.

I always use DCPS1 if I want an undefined instruction trap.  0x0100A0D4.

Andrew.