On Thu, 6 Aug 2026 01:14:26 GMT, Yasumasa Suenaga <[email protected]> wrote:
>> 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). > > Yasumasa Suenaga has updated the pull request incrementally with one > additional commit since the last revision: > > Add comments Changes look good. Thanks for fixing this. ------------- Marked as reviewed by cjplummer (Reviewer). PR Review: https://git.openjdk.org/jdk/pull/31999#pullrequestreview-4878882322
