RFR (S): 8028470: PPC64 (part 214): linux: extend signal handler to catch SIGTRAP on ppc64.

[Lindenmaier, Goetz]

Thanks a lot, it's in there.

Best regards,
  Goetz.

-----Original Message-----
From: Vladimir Kozlov [mailto:vladimir.kozlov at oracle.com] 
Sent: Monday, November 18, 2013 8:17 PM
To: Lindenmaier, Goetz; 'hotspot-dev at openjdk.java.net'; 'ppc-aix-port-dev at openjdk.java.net'
Subject: Re: RFR (S): 8028470: PPC64 (part 214): linux: extend signal handler to catch SIGTRAP on ppc64.

Good. You can push it yourself (don't forget Reviewed-by:) since 
everything under #ifdef.

thanks,
Vladimir

On 11/18/13 12:39 AM, Lindenmaier, Goetz wrote:
> Hi Vladimir,
>
> that's because in our VM, we always print all handlers.
>
> I added the #define in  the print routine.
> http://cr.openjdk.java.net/~goetz/webrevs/8028470-0-trap/
>
> Best regards,
>    Goetz
>
> -----Original Message-----
> From: Vladimir Kozlov [mailto:vladimir.kozlov at oracle.com]
> Sent: Samstag, 16. November 2013 02:34
> To: Lindenmaier, Goetz; 'hotspot-dev at openjdk.java.net'; 'ppc-aix-port-dev at openjdk.java.net'
> Subject: Re: RFR (S): 8028470: PPC64 (part 214): linux: extend signal handler to catch SIGTRAP on ppc64.
>
> Whi print_signal_handler() is called for SIGTRAP if handler is not
> installed (on not PPC64)?
>
> Thanks,
> Vladimir
>
> On 11/15/13 4:56 PM, Lindenmaier, Goetz wrote:
>> Hi,
>>
>> PPC has a compare-and-trap instruction that is used for NullChecks and RangeChecks.
>> If a check fails, SIGTRAP is raised and must be handled by the signal handler of the VM.
>> Add support for handling SIGTRAP on PPC64 to linux.
>>
>> http://cr.openjdk.java.net/~goetz/webrevs/8028470-0-trap/
>>
>> Please review and test this change.
>>
>> Best regards,
>>     Goetz.
>>