RFR(XS): 8042885: java does not take hexadecimal number as vm option

Yumin Qi yumin.qi at oracle.com
Wed May 14 16:42:18 UTC 2014


Lois,

   jtreg against test/runtime passed (two failures but not related to 
this change for sure).
   I will push the change if you are OK with the result:
   http://javaweb.us.oracle.com/~yqi/webrev/8042885-jtreg/JTreport/

Thanks
Yumin

On 5/14/2014 6:54 AM, Yumin Qi wrote:
> Lois,
>
>   I will update you jtreg result soon.
>   Thanks for the review!
>
> Yumin
>
> On 5/14/2014 4:38 AM, Lois Foltan wrote:
>>
>> Hi Yumin,
>>
>> Looks good, I like this change.  Can you accompany your fix with a 
>> Hotspot runtime jtreg test for this new capability?
>>
>> Thanks,
>> Lois
>>
>> On 5/13/2014 1:24 PM, Yumin Qi wrote:
>>> Hi, please review the small change for
>>>
>>> bug: https://bugs.openjdk.java.net/browse/JDK-8042885
>>> webrev: http://cr.openjdk.java.net/~minqi/8042885/
>>>
>>> Summary: Java does not take number with hexadecimal format as 
>>> options, like -XX:SharedBaseAddress=0x1D000000 will cause VM exit 
>>> with improper argument. For addresses, we more like to use 
>>> hexadecimal format since it is close to machine address display 
>>> naturally.
>>>
>>> Tests: JPRT and manual test:  java -XX:UnlockDiagnosticVMOptions 
>>> -XX:SharedBaseAddress=0x1D000000 -Xshare:dump
>>>
>>> Thanks
>>> Yumin
>>
>



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