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

Gerard Ziemski gziemski at openjdk.java.net
Wed Feb 17 19:19:48 UTC 2021


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.

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Commit messages:
 - add FPE_FLTINV to div by 0 signal handler

Changes: https://git.openjdk.java.net/jdk/pull/2615/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2615&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8261397
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2615.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2615/head:pull/2615

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


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