RFR: 8253795: Implementation of JEP 391: macOS/AArch64 Port [v3]

[Anton Kozlov]

On Mon, 25 Jan 2021 22:48:50 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

>> Anton Kozlov has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - Refactor CDS disabling
>>  - Redo builsys support for aarch64-darwin
>
> src/jdk.hotspot.agent/macosx/native/libsaproc/MacosxDebuggerLocal.m line 702:
> 
>> 700:   primitiveArray = (*env)->GetLongArrayElements(env, registerArray, NULL);
>> 701: 
>> 702: #undef REG_INDEX
> 
> I'm not so sure why the #undef and subsequent #define of REG_INDEX is needed since it seems to just get #define'd back to the same value.

We've merged two implementations of SA, this change slipped in. I've cleaned this up. Thanks for noticing!

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PR: https://git.openjdk.java.net/jdk/pull/2200