hotspot/src/share/vm/gc/g1/g1CardCounts.hpp
changeset 33105 294e48b4f704
parent 31592 43f48e165466
equal deleted inserted replaced
33104:a7c0f60a1294 33105:294e48b4f704
    77     return has_reserved_count_table();
    77     return has_reserved_count_table();
    78   }
    78   }
    79 
    79 
    80   size_t ptr_2_card_num(const jbyte* card_ptr) {
    80   size_t ptr_2_card_num(const jbyte* card_ptr) {
    81     assert(card_ptr >= _ct_bot,
    81     assert(card_ptr >= _ct_bot,
    82            err_msg("Invalid card pointer: "
    82            "Invalid card pointer: "
    83                    "card_ptr: " PTR_FORMAT ", "
    83            "card_ptr: " PTR_FORMAT ", "
    84                    "_ct_bot: " PTR_FORMAT,
    84            "_ct_bot: " PTR_FORMAT,
    85                    p2i(card_ptr), p2i(_ct_bot)));
    85            p2i(card_ptr), p2i(_ct_bot));
    86     size_t card_num = pointer_delta(card_ptr, _ct_bot, sizeof(jbyte));
    86     size_t card_num = pointer_delta(card_ptr, _ct_bot, sizeof(jbyte));
    87     assert(card_num < _reserved_max_card_num,
    87     assert(card_num < _reserved_max_card_num,
    88            err_msg("card pointer out of range: " PTR_FORMAT, p2i(card_ptr)));
    88            "card pointer out of range: " PTR_FORMAT, p2i(card_ptr));
    89     return card_num;
    89     return card_num;
    90   }
    90   }
    91 
    91 
    92   jbyte* card_num_2_ptr(size_t card_num) {
    92   jbyte* card_num_2_ptr(size_t card_num) {
    93     assert(card_num < _reserved_max_card_num,
    93     assert(card_num < _reserved_max_card_num,
    94            err_msg("card num out of range: " SIZE_FORMAT, card_num));
    94            "card num out of range: " SIZE_FORMAT, card_num);
    95     return (jbyte*) (_ct_bot + card_num);
    95     return (jbyte*) (_ct_bot + card_num);
    96   }
    96   }
    97 
    97 
    98   // Clear the counts table for the given (exclusive) index range.
    98   // Clear the counts table for the given (exclusive) index range.
    99   void clear_range(size_t from_card_num, size_t to_card_num);
    99   void clear_range(size_t from_card_num, size_t to_card_num);