RFR(XS): 8163973: VM Anonymous classes should not call Class File Load Hooks
Vladimir Ivanov
vladimir.x.ivanov at oracle.com
Fri Aug 19 08:49:35 UTC 2016
Looks good!
Best regards,
Vladimir Ivanov
On 8/17/16 6:56 PM, Rachel Protacio wrote:
> Hi David and Coleen,
>
> Thank you for the reviews. I've updated the change as requested:
> http://cr.openjdk.java.net/~rprotacio/8163973.01/
>
> Rachel
>
> On 8/16/2016 10:04 PM, Coleen Phillimore wrote:
>>
>>
>> On 8/15/16 11:36 PM, David Holmes wrote:
>>> Hi Rachel,
>>>
>>> On 16/08/2016 6:48 AM, Rachel Protacio wrote:
>>>> Hello,
>>>>
>>>> Please review this change, which makes sure class file load hooks are
>>>> not called for VM anonymous classes. See
>>>> http://mail.openjdk.java.net/pipermail/core-libs-dev/2016-January/038353.html
>>>>
>>>> for justification.
>>>>
>>>> Passes JPRT and RBT.
>>>>
>>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8163973
>>>> Open webrev: http://cr.openjdk.java.net/~rprotacio/8163973.00/
>>>
>>> This:
>>>
>>> 112 // VM Anonymous classes - defined via
>>> unsafe.DefineAnonymousClass - should not
>>> 113 // call back to a CFLH
>>> 114 if (host_klass == NULL) {
>>> 115 stream = prologue(stream,
>>>
>>> suggests that "prologue" can only do CFLH related things. If that is
>>> true then it would be much clearer in my opinion if prologue were
>>> renamed to something more explicit - like check_class_file_load_hook
>>> ? Otherwise, the host_klass should be passed in to prologue and the
>>> anonymous class check internalized there.
>>
>> I agree with David here. This was sort of bothering me about your
>> change when we talked about it before. If the prologue did more than
>> call the CFLH then you'd have to pass host_klass down, since we know
>> that's all it does, the name of the function should be changed.
>> David's name looks good to me.
>>>
>>> Also I don't think you need to explain where VM anonymous classes
>>> come from, it suffices to simply say "Skip class file load hook
>>> processing for VM anonymous classes"; or if the prologue is renamed
>>> then simply "Skip this processing for VM anonymous classes". :)
>>
>> Thanks,
>> Coleen
>>>
>>> Thanks,
>>> David
>>>
>>>> Thank you!
>>>> Rachel
>>
>
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