RFR: JDK-8283326: Implement SafeFetch statically

[Thomas Stuefe]

On Tue, 12 Apr 2022 10:19:59 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> src/hotspot/os/posix/signals_posix.cpp line 614:
>> 
>>> 612:   }
>>> 613: 
>>> 614: #if defined(SAFEFETCH_METHOD_STATIC_ASSEMBLY) || defined(SAFEFETCH_METHOD_SIGSETJMP)
>> 
>> The guard seems unnecessary - all posix platforms need to handle safefetch here don't they?
>
> Sorry how is this "resolved". Every posix platform will define one of those cases so this code is effectively unconditional.

I use "resolved" to mark my internal progress, which you may not see yet since I did not push yet. Probably should not use "resolve".

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PR: https://git.openjdk.java.net/jdk/pull/7865