RFR: 8277372: Add getters for BOT and card table members [v2]

[Thomas Schatzl]

On Fri, 26 Nov 2021 10:33:34 GMT, Vishal Chand <duke at openjdk.java.net> wrote:

>> Changed the visibility, added getters and refactored the following:
>> 
>> 1. Card Table Members
>> 2. BOT members
>> 3. ObjectStartArray block members
>
> Vishal Chand has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Refactoring in hotspot/cpu dir

@tstuefe : can you check whether the s390 and ppc changes still compile? The changes look straightforward enough, but...

Thanks,
  Thomas

-------------

PR: https://git.openjdk.java.net/jdk/pull/6570