JDK-8042255 : make gc src file exclusion more automatic
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2014-05-01
  • Updated: 2015-01-21
  • Resolved: 2014-05-21
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JDK 8 JDK 9
8u40Fixed 9 b15Fixed
Related Reports
Relates :  
JDK-8054970 - gc src file exclusion should exclude alternative sources
Description
make/excludeSrc.make has lists of files that should be excluded based on compile-time options, notably  INCLUDE_ALL_GCS.  The INCLUDE_ALL_GCS list includes all files specific to the parallel, g1 and cms collectors, plus some others, and must be maintained manually, which is tedious and error prone.  It should be mostly automatic.
Comments
Change excludeSrc.make to exclude all the files in the gc_implementation/{cms,g1,parallelScavenge,parNew} directories by using the wildcard function. Also change the logic so that new files added to gc_implementation/shared are excluded by default; if a new file is needed for the minimal1 profile, then it must be added to the list of kept files in excludeSrc.make. This is expected to occur less often than adding a new file that should be excluded.
20-05-2014