RFR: JDK-8321017: Record in JFR that IEEE rounding mode was corrupted by loading a library [v2]

[Johannes Bechberger]

On Fri, 1 Dec 2023 09:05:22 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> [JDK-8295159](https://bugs.openjdk.org/browse/JDK-8295159) added some IEEE conformance checks and corrections of the floating point environment on Linux and macOS/BSD, and later some UL logging was added too.
>> However the information is not added to the JFR events, and this should be enhanced.
>> The already existing NativeLibraryLoad event can be used for storing the additional information, because the IEEE conformance check and fenv  get/set  is placed in the HS dlopen_helper , where already the NativeLibraryLoad  event objects are created/commited .
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Adjust macOS coding

src/hotspot/share/jfr/metadata/metadata.xml line 961:

> 959:     <Field type="string" name="errorMessage" label="Error Message" description="In case of a load error, error description" />
> 960:     <Field type="boolean" name="fpEnvCorrectionAttempt" label="FPU Environment correction" description="In case of IEEE conformance issues we might reset the FP environment" />
> 961:     <Field type="boolean" name="fpEnvCorrectionSuccess" label="FPU Environment correction result" description="Stores result in case FP environment correction" />

minor grammatical issue: "Stores the result in the case of an FP environment correction" is better

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PR Review Comment: https://git.openjdk.org/jdk/pull/16903#discussion_r1432732460