RFR: 8331497: Implement JEP 483: Ahead-of-Time Class Loading & Linking

Ioi Lam iklam at openjdk.org
Tue Oct 22 16:36:50 UTC 2024


This is an implementation of [JEP 483: Ahead-of-Time Class Loading & Linking](https://openjdk.org/jeps/483).

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Note: this is a combined PR of the following individual PRs
- https://github.com/openjdk/jdk/pull/20516
- https://github.com/openjdk/jdk/pull/20517
- https://github.com/openjdk/jdk/pull/20843
- https://github.com/openjdk/jdk/pull/20958
- https://github.com/openjdk/jdk/pull/20959
- https://github.com/openjdk/jdk/pull/21049
- https://github.com/openjdk/jdk/pull/21143

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Commit messages:
 - Merge branch 'jep-483-step-06-8311071-avoid-soft-refs-in-java-lang-invoke' into jep-483-step-07-8293336-store-lambda-forms-in-cds-archive
 - Merge branch 'jep-483-step-05-8293337-archive-method-handle-intrinsics' of /jdk3/yam/open into jep-483-step-06-8311071-avoid-soft-refs-in-java-lang-invoke
 - Merge branch 'jep-483-step-04-8293187-support-sun-invoke-util-wrapper-in-cds-archive-heap' into jep-483-step-05-8293337-archive-method-handle-intrinsics
 - Merge branch 'jep-483-step-03-8329706-implement-xx-aot-class-linking' of /jdk3/yak/open into jep-483-step-04-8293187-support-sun-invoke-util-wrapper-in-cds-archive-heap
 - @calvinccheung review comments
 - @coleenp: No need to hold InvokeMethodIntrinsicTable_lock during bootstrap
 - Better fix for JDK-8342438: runtime/cds/SharedBaseAddress.java fails with Parallel and Serial GCs when running with AOTClassLinking enabled
 - (1) @ashu-mehra review comments - code simplfication; (2) fix bug in last commit
 - @DanHeidinga comments - removed dead code; added assert with ArchiveBuilder::has_been_buffered(src_ik)
 - Fixed JDK-8342732: java/lang/invoke/MethodTypeSecurityManager.java fails with "should never leak JDK internal class" in case AOTClassLinking enabled
 - ... and 142 more: https://git.openjdk.org/jdk/compare/8d0975a2...f0bc1ae6

Changes: https://git.openjdk.org/jdk/pull/21642/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21642&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8331497
  Stats: 6713 lines in 104 files changed: 5835 ins; 560 del; 318 mod
  Patch: https://git.openjdk.org/jdk/pull/21642.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21642/head:pull/21642

PR: https://git.openjdk.org/jdk/pull/21642


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