RFR: 8343703: Symbol name cleanups after JEP 479 [v3]

[Kim Barrett]

On Thu, 28 Nov 2024 02:21:55 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> After JEP 479 ([JDK-8339783](https://bugs.openjdk.org/browse/JDK-8339783) was integrated, the handling of certain symbol lookup code can be simplified. The old code needed to support 32-bit Windows, where names had a trailing `@<number>`. When this special case now is removed, some streamlining is possible. Specifically these arrays:
>> 
>> #define JNI_ONLOAD_SYMBOLS {"JNI_OnLoad"}
>> #define JNI_ONUNLOAD_SYMBOLS {"JNI_OnUnload"}
>> #define JVM_ONLOAD_SYMBOLS {"JVM_OnLoad"}
>> #define AGENT_ONLOAD_SYMBOLS {"Agent_OnLoad"}
>> #define AGENT_ONUNLOAD_SYMBOLS {"Agent_OnUnload"}
>> #define AGENT_ONATTACH_SYMBOLS {"Agent_OnAttach"}
>> 
>> are all singletons and so the actual strings can just be inlined directly into the code that uses them.
>> 
>> Testing:
>> - GHA
>> - Tiers 1-4 sanity
>> - 
>> Thanks
>
> David Holmes has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Merge branch '8343703-jni-symbol' of github.com:dholmes-ora/jdk into 8343703-jni-symbol
>  - Fix indent

Looks good.

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Marked as reviewed by kbarrett (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22380#pullrequestreview-2466212066