RFR 8152065: TraceBytecodes breaks the interpreter expression stack

[Jiangli Zhou]

Hi Coleen,

Thank you for the answers.

Thanks,
Jiangli

> On Mar 18, 2016, at 5:18 AM, Coleen Phillimore <coleen.phillimore at oracle.com> wrote:
> 
> 
> Thank you, Jiangli!  I answered the JRT_LEAF question in my reply to David.
> Coleen
> 
> On 3/17/16 8:08 PM, Jiangli Zhou wrote:
>> Hi Coleen,
>> 
>> This looks like a safe fix, but I probably can’t serve as a very good reviewer for this area. I have a question. Would ‘JRT_LEAF’ work also in this case?
>> 
>> Thanks,
>> Jiangli
>> 
>>> On Mar 17, 2016, at 2:39 PM, Coleen Phillimore <coleen.phillimore at oracle.com> wrote:
>>> 
>>> Summary: Move trace_bytecode to InterpreterRuntime and make trace_bytecode an IRT_LEAF so that safepoints are not allowed.
>>> 
>>> open webrev at http://cr.openjdk.java.net/~coleenp/8152065.01/webrev
>>> bug link https://bugs.openjdk.java.net/browse/JDK-8152065
>>> 
>>> Tested with test program for bug https://bugs.openjdk.java.net/browse/JDK-8151256 and runThese with -XX:+TraceBytecodes for a few minutes (output file got too big).
>>> 
>>> Thanks,
>>> Coleen
>