RFR: 8277204: Implementation of JEP 8264130: PAC-RET protection for Linux/AArch64 [v14]

[Andrew Haley]

On Wed, 2 Feb 2022 09:34:20 GMT, Alan Hayward <duke at openjdk.java.net> wrote:

> And this change will keep ROP protection enabled if we fall into the "this VM was built without ROP-protection support.". In that case we'll be protecting generated code, but the VM itself won't be protected. This will run without crashing.

That's perfect.

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PR: https://git.openjdk.java.net/jdk/pull/6334