(v0.51.0) JIT Monitor enter support for Yielding pinned VirtualThread JEP491 #21363
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- Add new JIT to Interpreter transition on monitor entry - Add preparePinnedVirtualThreadForUnmount to internal functions - Move Continuation.blocker reset to enterContinuationImpl - Update preparePinnedVirtualThreadForMount/Unmount to use stackwalk when finding entered monitors and cache them in a linked list stored in the J9VMContinuation struct. - Add new code path to jitGetOwnedObjectMonitors to support vthread yield. Co-authored-by: Graham Chapman <[email protected]> Signed-off-by: Jack Lu <[email protected]>
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back port of #21334