RFR (S) 7178741: SA: jstack -m produce UnalignedAddressException in output (Linux)

[Poonam Bajaj]

Hi Kevin,

The changes look good.

Thanks,
Poonam

On 2/21/2013 8:55 PM, Kevin Walls wrote:
> Hi,
>
> I'd like to get reviews on this small SA fix:
>
> http://cr.openjdk.java.net/~kevinw/7178741/webrev_8.00/
>
> jstack -m follows native frames, and gets confused if it can't follow 
> from frame pointer to saved frame pointer.  Additional sanity checks 
> on the register values avoid lengthy exception messages in the middle 
> of jstack -m output.
>
> This kind of check has been in JDK6 for a while, so we want to get 
> latest hs25 providing the same readable output.
>
> There's another bug 6313816 for the same problem on Windows, but the 
> change isn't the same there so I'm leaving the bugs separate.
>
> Thanks
> Kevin
>