RFR: (S): SA: clhsdb 'where -a' throws Assertion Failure with illegal code 236 when CDS is used
Jini George
jini.george at oracle.com
Tue May 8 15:53:20 UTC 2018
Thanks, Ioi. Could I get one more reviewer to take a look at this ?
Thanks,
Jini.
On 5/8/2018 8:55 PM, Ioi Lam wrote:
> Looks good. Thanks!
>
> - Ioi
>
>
> On 5/7/18 8:38 PM, Jini George wrote:
>> Thank you very much, Ioi, for the review and for the clarifications
>> and help provided offline. I have added the checks for
>> _nofast_getfield and _nofast_putfield. SA has a bug due to which for
>> iload, only the base bytecode (iload) gets displayed -- fast_iload and
>> nofast_iload do not get displayed. JDK-8202693 (SA: clhsdb printall
>> only displays the base bytecode for iload) has been filed for this. I
>> would add the test for nofast_iload along with the fix for JDK-8202693.
>>
>> The modified webrev is at:
>>
>> http://cr.openjdk.java.net/~jgeorge/8174995/webrev.01/
>>
>> Thanks,
>> Jini.
>>
>> On 4/27/2018 1:54 AM, Ioi Lam wrote:
>>> HI Jini,
>>>
>>> [1] "_nofast_aload" should be "_nofast_aload_0": aload and aload_0
>>> are two different bytecodes.
>>>
>>> [2] Only the _nofast_aload_0 bytecode is tested. For completeness, do
>>> you think it makes sense to add test cases for these other 3 bytecodes?
>>>
>>> _nofast_getfield
>>> _nofast_putfield
>>> _nofast_iload
>>>
>>>
>>> Thanks
>>> - Ioi
>>>
>>> On 4/26/18 11:15 AM, Jini George wrote:
>>>> Hello all,
>>>>
>>>> Please review the following proposed fix for the issue:
>>>>
>>>> https://bugs.openjdk.java.net/browse/JDK-8174995
>>>>
>>>> Webrev: http://cr.openjdk.java.net/~jgeorge/8174995/webrev.00/
>>>>
>>>> Issue: Clhsdb commands like 'where -a', 'printall' would throw an
>>>> illegal code assertion failure when CDS is used.
>>>>
>>>> Root cause and proposed fix: SA has been unaware of the new
>>>> bytecodes introduced for rewriting at CDS dump time (_nofast*
>>>> bytecodes). The fix is to make SA aware of these new _nofast*
>>>> bytecodes.
>>>>
>>>> Tests Run and Passed: SA tests on Mach5 (including the tests
>>>> modified to test this fix).
>>>>
>>>> Thank you,
>>>> Jini.
>>>
>
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