src/hotspot/share/gc/z/zDebug.gdb

*** 46,56 ****
                  # Unknown
                  printf "(Unknown)"
              end
          end
      end
!     printf "\t Page: %llu\n", ((uintptr_t)$obj & ZAddressOffsetMask) >> ZPageSizeMinShift
      x/16gx $obj
      printf "Mark:  0x%016llx\tKlass: %s\n", (uintptr_t)$obj->_mark, (char*)$obj->_metadata->_klass->_name->_body
  end
  
  # Print heap page by pagetable index
--- 46,56 ----
                  # Unknown
                  printf "(Unknown)"
              end
          end
      end
!     printf "\t Page: %llu\n", ((uintptr_t)$obj & ZAddressOffsetMask) >> ZGranuleSizeShift
      x/16gx $obj
      printf "Mark:  0x%016llx\tKlass: %s\n", (uintptr_t)$obj->_mark, (char*)$obj->_metadata->_klass->_name->_body
  end
  
  # Print heap page by pagetable index
*** 97,107 ****
  end
  
  define zmarked
      set $addr          = $arg0
      set $obj           = ((uintptr_t)$addr & ZAddressOffsetMask)
!     set $page_index    = $obj >> ZPageSizeMinShift
      set $page_entry    = (uintptr_t)ZHeap::_heap._pagetable._map._map[$page_index]
      set $page          = (ZPage*)($page_entry & ~1)
      set $page_start    = (uintptr_t)$page._virtual._start
      set $page_end      = (uintptr_t)$page._virtual._end
      set $page_seqnum   = $page._livemap._seqnum
--- 97,107 ----
  end
  
  define zmarked
      set $addr          = $arg0
      set $obj           = ((uintptr_t)$addr & ZAddressOffsetMask)
!     set $page_index    = $obj >> ZGranuleSizeShift
      set $page_entry    = (uintptr_t)ZHeap::_heap._pagetable._map._map[$page_index]
      set $page          = (ZPage*)($page_entry & ~1)
      set $page_start    = (uintptr_t)$page._virtual._start
      set $page_end      = (uintptr_t)$page._virtual._end
      set $page_seqnum   = $page._livemap._seqnum