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  1. JDK
  2. JDK-8294284

Loom: make use of frame::is_older() and frame::id() to reduce dependency on growth direction of stacks

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Details

    • Enhancement
    • Resolution: Unresolved
    • P4
    • tbd
    • 20
    • hotspot

    Description

      jThere are dependencies on the growth direction of stacks in shared Loom code
      which could be eliminated by making use of frame::id() and frame::is_older()

      Code related to the following elements should be considered

      * is_sp_in_continuation()
      * JavaThread::_cont_fastpath
      * ContinuationEntry::_parent_cont_fastpath

      This was suggested while reviewing PR #9411 for JDK-8289925.

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          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. JDK-8294152 AArch64: frame::id() and frame::is_older() broken for interpreted frames with large max_stack

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Enhancement - null JDK-8289925 Shared code shouldn't reference the platform specific method frame::interpreter_frame_last_sp()

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

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              dlong Dean Long
              rrich Richard Reingruber
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              Dates

                Created:
                Updated: