On Fri, 10 Dec 2021 15:16:19 GMT, Alan Hayward <[email protected]> wrote:
>> 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 ?
Maybe. Mind you, a lot of the time I'm looking at the output from production
systems.
>From a rather philosophical point of view, I assume that if the user of a
>computer asks for something that isn't going to break anything or confuse
>anyone, we should honour their request.
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PR: https://git.openjdk.java.net/jdk/pull/6334
