Is this true? Wouldn't it mean any JIT-based language would not work on Apple Si... | Hacker News

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		emidoots on May 8, 2021 \| parent \| context \| favorite \| on: Apple Silicon Hardware: SPRR and Guarded Exception... Is this true? Wouldn't it mean any JIT-based language would not work on Apple Silicon? I must be misunderstanding you

userbinator on May 8, 2021 [–]

A register in usermode lets you choose rw- and r-x, but rwx is not a choice. JITs will work, but need to swap between the two; SMC/XMC won't.

emidoots on May 8, 2021 | [–]

Ahh okay, I see, thank you for the explanation!

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