src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/ObjectHeap.java

rev 53508 : Disable heap iteration for Shenandoah in SA

*** 244,262 ****
            ConcurrentMarkSweepGeneration concGen = (ConcurrentMarkSweepGeneration)genOld;
            cmsSpaceOld = concGen.cmsSpace();
        }
      }
  
-     int cell_header_size = heap.cell_header_size();
- 
      for (int i = 0; i < liveRegions.size(); i += 2) {
        Address bottom = (Address) liveRegions.get(i);
        Address top    = (Address) liveRegions.get(i+1);
  
        try {
          // Traverses the space from bottom to top
!         OopHandle handle = bottom.addOffsetToAsOopHandle(cell_header_size);
  
          while (handle.lessThan(top)) {
          Oop obj = null;
  
            try {
--- 244,260 ----
            ConcurrentMarkSweepGeneration concGen = (ConcurrentMarkSweepGeneration)genOld;
            cmsSpaceOld = concGen.cmsSpace();
        }
      }
  
      for (int i = 0; i < liveRegions.size(); i += 2) {
        Address bottom = (Address) liveRegions.get(i);
        Address top    = (Address) liveRegions.get(i+1);
  
        try {
          // Traverses the space from bottom to top
!         OopHandle handle = bottom.addOffsetToAsOopHandle(0);
  
          while (handle.lessThan(top)) {
          Oop obj = null;
  
            try {
*** 289,299 ****
                    }
            }
            if ( (cmsSpaceOld != null) && cmsSpaceOld.contains(handle)) {
                handle = handle.addOffsetToAsOopHandle(CompactibleFreeListSpace.adjustObjectSizeInBytes(obj.getObjectSize()) );
            } else {
!               handle = handle.addOffsetToAsOopHandle(obj.getObjectSize() + cell_header_size);
            }
          }
        }
        catch (AddressException e) {
          // This is okay at the top of these regions
--- 287,297 ----
                    }
            }
            if ( (cmsSpaceOld != null) && cmsSpaceOld.contains(handle)) {
                handle = handle.addOffsetToAsOopHandle(CompactibleFreeListSpace.adjustObjectSizeInBytes(obj.getObjectSize()) );
            } else {
!               handle = handle.addOffsetToAsOopHandle(obj.getObjectSize());
            }
          }
        }
        catch (AddressException e) {
          // This is okay at the top of these regions
*** 369,380 ****
         addLiveRegions("old ", oldGen.objectSpace().getLiveRegions(), liveRegions);
      } else if (heap instanceof G1CollectedHeap) {
          G1CollectedHeap g1h = (G1CollectedHeap) heap;
          g1h.heapRegionIterate(lrc);
      } else if (heap instanceof ShenandoahHeap) {
!         ShenandoahHeap sh = (ShenandoahHeap) heap;
!         sh.heapRegionIterate(lrc);
      } else if (heap instanceof ZCollectedHeap) {
         // Operation (currently) not supported with ZGC. Print
         // a warning and leave the list of live regions empty.
         System.err.println("Warning: Operation not supported with ZGC");
      } else if (heap instanceof EpsilonHeap) {
--- 367,379 ----
         addLiveRegions("old ", oldGen.objectSpace().getLiveRegions(), liveRegions);
      } else if (heap instanceof G1CollectedHeap) {
          G1CollectedHeap g1h = (G1CollectedHeap) heap;
          g1h.heapRegionIterate(lrc);
      } else if (heap instanceof ShenandoahHeap) {
!        // Operation (currently) not supported with Shenandoah GC. Print
!        // a warning and leave the list of live regions empty.
!        System.err.println("Warning: Operation not supported with ZGC");
      } else if (heap instanceof ZCollectedHeap) {
         // Operation (currently) not supported with ZGC. Print
         // a warning and leave the list of live regions empty.
         System.err.println("Warning: Operation not supported with ZGC");
      } else if (heap instanceof EpsilonHeap) {