Review request for: 7191786 retransformClasses() does not pass in LocalVariableTypeTable of a method

[Rickard Bäckman]

Serguei,

looks good!

/R

On Aug 22, 2012, at 8:34 PM, serguei.spitsyn at oracle.com wrote:

> Dmitry,
> 
> Thank you for the review!
> 
> Please, find new webrev version here:
> http://cr.openjdk.java.net/~sspitsyn/webrevs/2012/7191786-JVMTI-LVTT.1/
> 
> I also changed the line:
>  196 if (elem[idx].signature_cp_index > 0) {
> to this:
>  196 if (elem[idx].signature_cp_index != 0) {
> 
> Both are correct as the signature_cp_index is u2.
> But "signature_cp_index != 0" is more clear.
> 
> 
> Thanks,
> Serguei
> 
> 
> On 8/21/12 12:45 PM, serguei.spitsyn at oracle.com wrote:
>> On 8/21/12 12:11 PM, Dmitry Samersoff wrote:
>>> Serguei,
>>> 
>>> On 2012-08-21 23:05, serguei.spitsyn at oracle.com wrote:
>>>> You can  see the same pattern for all attributes (for instance,
>>>> has_stackmap_table - L160).
>>> OK.
>>> 
>>>>> 202: local_variable_type_table_length
>>>>>      is always 0 if local_variable_table_length == 0
>>>>> 
>>>>>      so I think if should be nested.
>>>> It does not matter.
>>> It saves one if in some cases and makes logic better readable,
>>> so I would like to have it changed.
>>> 
>>> Sorry!
>> 
>> In fact, I initially considered this option and can change it as you prefer.
>> But let's wait for other reviewers input.
>> 
>> Thanks,
>> Serguei
>> 
>>> 
>>>>> 216: It might be better to place both attr_size changes together.
>>>> I'm trying to follow the existing style.
>>> OK
>>> 
>>> -Dmitry
>>> 
>>> 
>>>> 
>>>> Thanks,
>>>> Serguei
>>>>> -Dmitry
>>>>> 
>>>>> 
>>>>> On 2012-08-21 22:13, serguei.spitsyn at oracle.com wrote:
>>>>>> Hello,
>>>>>> 
>>>>>> 
>>>>>> Please, review the fix for:
>>>>>> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7191786
>>>>>> 
>>>>>> Open webrev:
>>>>>> http://cr.openjdk.java.net/~sspitsyn/webrevs/2012/7191786-JVMTI-LVTT/
>>>>>> 
>>>>>> 
>>>>>> Summary:
>>>>>> 
>>>>>>  The following CR was recently fixed:
>>>>>> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7064927
>>>>>> 
>>>>>>  But the same issue exists for the LocalVariableTypeTable attribute.
>>>>>> 
>>>>>>  The fix was tested with the modified test:
>>>>>> test/java/lang/instrument/VerifyLocalVariableTableOnRetransformTest.sh 
>>>>>> 
>>>>>> The modification is that a local variable with generic signature is added
>>>>>> to the class DummyClassWithLVT.java:
>>>>>> http://cr.openjdk.java.net/~sspitsyn/webrevs/2012/7191786-JLI-Test-For-JVMTI-LVTT/ 
>>>>>> 
>>>>>> 
>>>>>> The test patch will be integrated into the jdk8/tl after the HotSpot fix
>>>>>> is promoted.
>>>>>> 
>>>>>> 
>>>>>> Thanks,
>>>>>> Serguei
>>> 
>> 
>