RFR: 8328306: AArch64: MacOS lazy JIT "write xor execute" switching [v2]

[Andrew Haley]

On Tue, 12 Aug 2025 09:31:50 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

> Why plant the WXEnable before the thread transition here when it is placed after the thread transition in the NO_ASYNC macro? Why not after in both?

OK.

> Likewise in later occurrences what governs the placement?

The process of discovering the sweet spots we entirely empirical, not analytical.

> * needs to be attached to type not field here and below.

I'm afraid this is against the guidelines. At least that is what I've been told, but I can't find it in the guidelines, so maybe that isn't true.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/26562#discussion_r2269365076
PR Review Comment: https://git.openjdk.org/jdk/pull/26562#discussion_r2269361273