In PR #31669 for [JDK-8386593](https://bugs.openjdk.org/browse/JDK-8386593), we discoverd `DW_CFA_offset_extended` and `DW_CFA_restore_extended` are not supported in SA.
GCC on Fedora 44 and Ubuntu 26.04 (at least) generates DWARF instructions in below: DW_CFA_offset_extended: r79 (v15) at cfa-16 DW_CFA_advance_loc: 204 to 00000000006646e4 DW_CFA_restore: r30 (x30) DW_CFA_restore: r29 (x29) DW_CFA_restore: r19 (x19) DW_CFA_restore: r20 (x20) DW_CFA_restore_extended: r79 (v15) We need to add `DW_CFA_offset_extended` and `DW_CFA_restore_extended`, and vector registers for AArch64 which are defined in [DWARF for the Arm® 64-bit Architecture (AArch64)](https://github.com/ARM-software/abi-aa/blob/2025Q4/aadwarf64/aadwarf64.rst#dwarf-register-names). --------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - 8388696: DW_CFA_offset_extended and DW_CFA_restore_extended are not supported in SA Changes: https://git.openjdk.org/jdk/pull/31999/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=31999&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8388696 Stats: 81 lines in 3 files changed: 77 ins; 0 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/31999.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/31999/head:pull/31999 PR: https://git.openjdk.org/jdk/pull/31999
