RFR: 8338539: New Object to ObjectMonitor mapping: riscv64 implementation

[Fei Yang]

On Sun, 18 Aug 2024 13:47:29 GMT, Gui Cao <gcao at openjdk.org> wrote:

> The riscv64 implementation of JDK-8315884 New Object to ObjectMonitor mapping
> 
> ### Testing:
> - [x] tier1-3 & hotspot:tier4 tests (release)
> - [x] test/hotspot/jtreg/runtime/Monitor/UseObjectMonitorTableTest.java (release & fastdebug)

Looks good to me. Thanks!

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Marked as reviewed by fyang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20621#pullrequestreview-2244506555