RFR: 8340212: -Xshare:off -XX:CompressedClassSpaceBaseAddress=0x40001000000 crashes on macos-aarch64 [v12]

Tue Dec 10 12:30:50 UTC 2024

On Mon, 9 Dec 2024 23:11:08 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Added checks to verify that the given compressed class base or shared base address and shift given will be decodable for aarch64.  This code is moved in PR https://github.com/openjdk/jdk/pull/20677 so this would be moved to the new place once that's integrated.
>> 
>> Tested with tier1-7.
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Comment why shared_base_valid() can't actually check for us whether the shared base is valid.

Thanks Ioi for the offline discussion of how this works for CDS and thanks Thomas for your review.

I also retested tier1-4 and it passed.

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PR Comment: https://git.openjdk.org/jdk/pull/21695#issuecomment-2531500201
PR Comment: https://git.openjdk.org/jdk/pull/21695#issuecomment-2531502345