RFR(S): 8248882: SA PMap and PStack support on OSX works with core files. Enable them.

[Chris Plummer]

Thanks Alex and Serguei!

I still need another reviewer for JDK-8247515 before I can push this 
change since it depends on the fixes done there.

Chris

On 7/27/20 3:23 PM, serguei.spitsyn at oracle.com wrote:
> Hi Chris,
>
> LGTM++
>
> Thanks,
> Serguei
>
>
> On 7/27/20 14:45, Alex Menkov wrote:
>> Hi Chris,
>>
>> Looks good to me.
>>
>> --alex
>>
>> On 07/27/2020 12:11, Chris Plummer wrote:
>>> Ping! This one is pretty easy. I just changed the two tools to no 
>>> longer refuse to run on OSX if we are debugging a core file, and 
>>> updated the tests to also do a test run on a core file.
>>>
>>> thanks,
>>>
>>> Chris
>>>
>>> On 7/21/20 1:13 PM, Chris Plummer wrote:
>>>> Hello,
>>>>
>>>> Please help review the following:
>>>>
>>>> https://bugs.openjdk.java.net/browse/JDK-8248882
>>>> http://cr.openjdk.java.net/~cjplummer/8248882/webrev.00/index.html
>>>>
>>>> The changes enable PMap and PStack on OSX when debugging a core 
>>>> file. Unfortunately there appears to be no exposed way to determine 
>>>> if you are debugging a core file, so I had to rely on clues 
>>>> (certain lists being empty).
>>>>
>>>> As part of these changes I'm adding core file testing to the two 
>>>> relevant tests. Also note that for ClhsdbPMap.java I had to tinker 
>>>> with the list of expected libraries in the output. For core files 
>>>> on Windows, the nio and net libraries were missing, presumably 
>>>> because nothing had triggered their loading yet, so I removed them 
>>>> from the expected output list, and add jli, which seems to always 
>>>> be there.
>>>>
>>>> Also a minor change in CLHSB.java. It was sending a message to 
>>>> System.err. It makes the test output easier to read if it goes to 
>>>> System.out.
>>>>
>>>> thanks,
>>>>
>>>> Chris
>>>
>