RFR: 8261397: Try Catch Method Failing to Work When Dividing An Integer By 0 [v3]

Phil Race prr at openjdk.java.net
Wed Feb 17 20:42:40 UTC 2021


On Wed, 17 Feb 2021 20:01:53 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:
> 
>   add comment

Looks reasonable to me. I suppose there is a BSD unix port that uses this code hence the MACOS_ONLY ?

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Marked as reviewed by prr (Reviewer).

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


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