[riscv-port] RFR: 8277430: riscv: Refactor interpreter native wrappers [v2]

[Fei Yang]

On Tue, 23 Nov 2021 02:55:07 GMT, Yadong Wang <yadongwang at openjdk.org> wrote:

>> A similar refactor similar to https://bugs.openjdk.java.net/browse/JDK-8261071, to make the code more clean and open for extension. 
>> Hotspot and jdk tier1 test passed on unmatched boards. All JTreg tests were tested on qemu without new failures.
>
> Yadong Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8277430: riscv: Refactor interpreter native wrappers(2)

Updated changes looks good. Nice cleanup!

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Marked as reviewed by fyang (Lead).

PR: https://git.openjdk.java.net/riscv-port/pull/12