src/share/vm/memory/blockOffsetTable.cpp

*** 57,72 ****
      gclog_or_tty->print_cr("BlockOffsetSharedArray::BlockOffsetSharedArray: ");
      gclog_or_tty->print_cr("  "
                    "  rs.base(): " INTPTR_FORMAT
                    "  rs.size(): " INTPTR_FORMAT
                    "  rs end(): " INTPTR_FORMAT,
!                   rs.base(), rs.size(), rs.base() + rs.size());
      gclog_or_tty->print_cr("  "
                    "  _vs.low_boundary(): " INTPTR_FORMAT
                    "  _vs.high_boundary(): " INTPTR_FORMAT,
!                   _vs.low_boundary(),
!                   _vs.high_boundary());
    }
  }
  
  void BlockOffsetSharedArray::resize(size_t new_word_size) {
    assert(new_word_size <= _reserved.word_size(), "Resize larger than reserved");
--- 57,72 ----
      gclog_or_tty->print_cr("BlockOffsetSharedArray::BlockOffsetSharedArray: ");
      gclog_or_tty->print_cr("  "
                    "  rs.base(): " INTPTR_FORMAT
                    "  rs.size(): " INTPTR_FORMAT
                    "  rs end(): " INTPTR_FORMAT,
!                   p2i(rs.base()), rs.size(), p2i(rs.base() + rs.size()));
      gclog_or_tty->print_cr("  "
                    "  _vs.low_boundary(): " INTPTR_FORMAT
                    "  _vs.high_boundary(): " INTPTR_FORMAT,
!                   p2i(_vs.low_boundary()),
!                   p2i(_vs.high_boundary()));
    }
  }
  
  void BlockOffsetSharedArray::resize(size_t new_word_size) {
    assert(new_word_size <= _reserved.word_size(), "Resize larger than reserved");
*** 535,578 ****
      // to go back by.
      size_t n_cards_back = entry_to_cards_back(offset);
      q -= (N_words * n_cards_back);
      assert(q >= _sp->bottom(),
             err_msg("q = " PTR_FORMAT " crossed below bottom = " PTR_FORMAT,
!                    q, _sp->bottom()));
      assert(q < _sp->end(),
             err_msg("q = " PTR_FORMAT " crossed above end = " PTR_FORMAT,
!                    q, _sp->end()));
      index -= n_cards_back;
      offset = _array->offset_array(index);
    }
    assert(offset < N_words, "offset too large");
    index--;
    q -= offset;
    assert(q >= _sp->bottom(),
           err_msg("q = " PTR_FORMAT " crossed below bottom = " PTR_FORMAT,
!                  q, _sp->bottom()));
    assert(q < _sp->end(),
           err_msg("q = " PTR_FORMAT " crossed above end = " PTR_FORMAT,
!                  q, _sp->end()));
    HeapWord* n = q;
  
    while (n <= addr) {
      debug_only(HeapWord* last = q);   // for debugging
      q = n;
      n += _sp->block_size(n);
      assert(n > q,
             err_msg("Looping at n = " PTR_FORMAT " with last = " PTR_FORMAT","
                     " while querying blk_start(" PTR_FORMAT ")"
                     " on _sp = [" PTR_FORMAT "," PTR_FORMAT ")",
!                    n, last, addr, _sp->bottom(), _sp->end()));
    }
    assert(q <= addr,
           err_msg("wrong order for current (" INTPTR_FORMAT ")" " <= arg (" INTPTR_FORMAT ")",
!                  q, addr));
    assert(addr <= n,
           err_msg("wrong order for arg (" INTPTR_FORMAT ") <= next (" INTPTR_FORMAT ")",
!                  addr, n));
    return q;
  }
  
  HeapWord* BlockOffsetArrayNonContigSpace::block_start_careful(
    const void* addr) const {
--- 535,578 ----
      // to go back by.
      size_t n_cards_back = entry_to_cards_back(offset);
      q -= (N_words * n_cards_back);
      assert(q >= _sp->bottom(),
             err_msg("q = " PTR_FORMAT " crossed below bottom = " PTR_FORMAT,
!                    p2i(q), p2i(_sp->bottom())));
      assert(q < _sp->end(),
             err_msg("q = " PTR_FORMAT " crossed above end = " PTR_FORMAT,
!                    p2i(q), p2i(_sp->end())));
      index -= n_cards_back;
      offset = _array->offset_array(index);
    }
    assert(offset < N_words, "offset too large");
    index--;
    q -= offset;
    assert(q >= _sp->bottom(),
           err_msg("q = " PTR_FORMAT " crossed below bottom = " PTR_FORMAT,
!                  p2i(q), p2i(_sp->bottom())));
    assert(q < _sp->end(),
           err_msg("q = " PTR_FORMAT " crossed above end = " PTR_FORMAT,
!                  p2i(q), p2i(_sp->end())));
    HeapWord* n = q;
  
    while (n <= addr) {
      debug_only(HeapWord* last = q);   // for debugging
      q = n;
      n += _sp->block_size(n);
      assert(n > q,
             err_msg("Looping at n = " PTR_FORMAT " with last = " PTR_FORMAT","
                     " while querying blk_start(" PTR_FORMAT ")"
                     " on _sp = [" PTR_FORMAT "," PTR_FORMAT ")",
!                    p2i(n), p2i(last), p2i(addr), p2i(_sp->bottom()), p2i(_sp->end())));
    }
    assert(q <= addr,
           err_msg("wrong order for current (" INTPTR_FORMAT ")" " <= arg (" INTPTR_FORMAT ")",
!                  p2i(q), p2i(addr)));
    assert(addr <= n,
           err_msg("wrong order for arg (" INTPTR_FORMAT ") <= next (" INTPTR_FORMAT ")",
!                  p2i(addr), p2i(n)));
    return q;
  }
  
  HeapWord* BlockOffsetArrayNonContigSpace::block_start_careful(
    const void* addr) const {