On Fri, 10 Dec 2021 13:21:46 GMT, Andrew Haley <[email protected]> wrote:
>> Alan Hayward has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Default to building without branch-protection
>
> src/hotspot/cpu/aarch64/vm_version_aarch64.cpp line 419:
>
>> 417: if (UseROPProtection) {
>> 418: warning("UseROPProtection specified, but not supported on this
>> CPU.");
>> 419: FLAG_SET_DEFAULT(UseROPProtection, false);
>
> Suggestion:
>
> FLAG_SET_DEFAULT(UseROPProtection, true);
>
> Given that the instructions used are in NOP space, this won't do any harm,
> and it will allow developers without PAC-enabled systems to see what code PAC
> would generate.
Ok, I think that's fine. How about on a non pac system allowing it for
development only ?
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PR: https://git.openjdk.java.net/jdk/pull/6334
