30 #include "utilities/bitMap.inline.hpp"
  31 
  32 class JfrVirtualMemory;
  33 class MemRegion;
  34 
  35 class BitSet : public CHeapObj<mtTracing> {
  36  private:
  37   JfrVirtualMemory* _vmm;
  38   const HeapWord* const _region_start;
  39   BitMap _bits;
  40   const size_t _region_size;
  41 
  42  public:
  43   BitSet(const MemRegion& covered_region);
  44   ~BitSet();
  45 
  46   bool initialize();
  47 
  48   BitMap::idx_t mark_obj(const HeapWord* addr) {
  49     const BitMap::idx_t bit = addr_to_bit(addr);
  50     _bits.par_set_bit(bit);
  51     return bit;
  52   }
  53 
  54   BitMap::idx_t mark_obj(oop obj) {
  55     return mark_obj((HeapWord*)obj);
  56   }
  57 
  58   bool is_marked(const HeapWord* addr) const {
  59     return is_marked(addr_to_bit(addr));
  60   }
  61 
  62   bool is_marked(oop obj) const {
  63     return is_marked((HeapWord*)obj);
  64   }
  65 
  66   BitMap::idx_t size() const {
  67     return _bits.size();
  68   }
  69 
  70   BitMap::idx_t addr_to_bit(const HeapWord* addr) const {

  30 #include "utilities/bitMap.inline.hpp"
  31 
  32 class JfrVirtualMemory;
  33 class MemRegion;
  34 
  35 class BitSet : public CHeapObj<mtTracing> {
  36  private:
  37   JfrVirtualMemory* _vmm;
  38   const HeapWord* const _region_start;
  39   BitMap _bits;
  40   const size_t _region_size;
  41 
  42  public:
  43   BitSet(const MemRegion& covered_region);
  44   ~BitSet();
  45 
  46   bool initialize();
  47 
  48   BitMap::idx_t mark_obj(const HeapWord* addr) {
  49     const BitMap::idx_t bit = addr_to_bit(addr);
  50     _bits.set_bit(bit);
  51     return bit;
  52   }
  53 
  54   BitMap::idx_t mark_obj(oop obj) {
  55     return mark_obj((HeapWord*)obj);
  56   }
  57 
  58   bool is_marked(const HeapWord* addr) const {
  59     return is_marked(addr_to_bit(addr));
  60   }
  61 
  62   bool is_marked(oop obj) const {
  63     return is_marked((HeapWord*)obj);
  64   }
  65 
  66   BitMap::idx_t size() const {
  67     return _bits.size();
  68   }
  69 
  70   BitMap::idx_t addr_to_bit(const HeapWord* addr) const {