[jdk11u-dev] RFR: 8253795: Implementation of JEP 391: macOS/AArch64 Port [v6]

[Paul Hohensee]

On Wed, 15 Dec 2021 12:42:38 GMT, Vladimir Kempik <vkempik at openjdk.org> wrote:

>> Initial version of JEP-391 backport to jdk11u.
>> Build system changes are mostly clean, except cds disabling part, it's copy&paste from aix part.
>> Things needing attention: os_bsd_aarch64.cpp and W^X transitions.
>> serviceability agent is mostly clean.
>> This passed GHA_tier1 testing.
>> Full regression testing is running now on Azul's infra, will report/update PR when done.
>> **Update: TCK passed, tier1/tier2 is almost good, needs #718**
>> Sharing this PR slightly earlier to let other interested parties to run the tests too.
>> Example of cross-building on intel mac (needs Xcode12/13):
>> sh configure --with-boot-jdk=/Library/Java/JavaVirtualMachines/zulu-11.jdk/Contents/Home/ --with-build-jdk=/Library/Java/JavaVirtualMachines/zulu-11.jdk/Contents/Home/ --disable-warnings-as-errors --openjdk-target=aarch64-apple-darwin --with-extra-cflags='-arch arm64' --with-extra-ldflags='-arch arm64' --with-extra-cxxflags='-arch arm64'
>
> Vladimir Kempik has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains ten additional commits since the last revision:
> 
>  - Merge branch 'master' into JDK-8253795
>  - remove unused at_rsp from aarch64
>  - Fix warning about c++11 extension
>  - Exclude test CompressedClassPointers.java on macarm
>  - Merge pull request #1 from VladimirKempik/JEP391_and_8262896
>    
>    8262896: [macos_aarch64] Crash in jni_fast_GetLongField
>  - 8262896: [macos_aarch64] Crash in jni_fast_GetLongField
>  - Trailing white space removal
>  - Fix up linux_aarch64
>  - Initial commit

The bug is closed because the failure only happens when running under Rosetta, so it's likely a Rosetta issue. Also, we don't yet support Corretto on M1.

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PR: https://git.openjdk.java.net/jdk11u-dev/pull/715