RFR: 8261397: Try Catch Method Failing to Work When Dividing An Integer By 0 [v4]

[David Holmes]

On Fri, 19 Feb 2021 17:54:13 GMT, Gerard Ziemski <gziemski at openjdk.org> wrote:

>> On Mac ARM hardware running x86 JDK under Rosetta emulation, a div by 0 instruction causes the VM to crash.
>> 
>> The proposed fix (a workaround) for hotspot is to add **FPE_FLTINV** to the signal handler.
>> 
>> The actual fix needs to be done in macOS by Apple as the expected signal type here is **FPE_FLTDIV**
>> This issue has been filed with Apple and they are tracking it.
>
> Gerard Ziemski has updated the pull request incrementally with one additional commit since the last revision:
> 
>   check whether the process is translated

Hi Gerard,

The new VM_Version check should be in vm_version_bsd_x86.cpp so that we don't need to ifdef the code in the generic x86 file.

I don't think we need make is_cpu_emulated available on all platforms, jusyt bsd-x86.

Thanks,
David

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Changes requested by dholmes (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2615