[JDK-8371194](https://bugs.openjdk.org/browse/JDK-8371194) (PR #28284) has broken PStack (jstack --mixed) behavior on macOS. It affects both AMD64 and AArch64. See JBS for details.
This PR fixes it to implement `CFrame::toFrame`. ------------- Commit messages: - Override 2 "sender" method in Bsd CFrame classes - 8373110: jstack --mixed frames are broken on macOS after JDK-8371194 Changes: https://git.openjdk.org/jdk/pull/28686/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28686&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8373110 Stats: 96 lines in 3 files changed: 67 ins; 3 del; 26 mod Patch: https://git.openjdk.org/jdk/pull/28686.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/28686/head:pull/28686 PR: https://git.openjdk.org/jdk/pull/28686
