RFR: 8363620: AArch64: reimplement emit_static_call_stub()

[Andrew Haley]

On Sat, 9 Aug 2025 19:12:14 GMT, Andrew Haley <aph at openjdk.org> wrote:

> There may still be a race in `set_to_clean()`, which doesn't zero out the [method, entry} fields in the stub. I'd fix that, to be safe. It'd be tricky to test.

Ah no, that would create another race when unloading. This stuff is hard...

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PR Comment: https://git.openjdk.org/jdk/pull/26638#issuecomment-3172432994