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  1. JDK
  2. JDK-8259894

refactor parts of jvm.h into jvm_io.h and jvm_constants.h

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 17
    • Component/s: hotspot
    • Subcomponent:
    • Resolved In Build:
      b07

      Description

      jvm.h is over 1000 lines long. It is included by 940 out of 1000 HotSpot .o files. However, most of the HotSpot source files just use a small fraction of jvm.h:

      - the jio_xxxprintf() functions
      - the JVM_RECOGNIZED_XXX_MODIFIERS defines

      We should move these two parts into jvm_io.h and jvm_constants.h. This reduces the files that include jvm.h to about 82 files. Build time of HotSpot is reduced by about 0.4%.

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              Assignee:
              iklam Ioi Lam
              Reporter:
              iklam Ioi Lam
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                Updated:
                Resolved: