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src/share/vm/gc/parallel/parMarkBitMap.hpp
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rev 13014 : imported patch 8180755-remove-bitmap-inline-hpp-include
*** 186,406 ****
BitMapView _end_bits;
PSVirtualSpace* _virtual_space;
size_t _reserved_byte_size;
};
- inline ParMarkBitMap::ParMarkBitMap():
- _beg_bits(), _end_bits(), _region_start(NULL), _region_size(0), _virtual_space(NULL), _reserved_byte_size(0)
- { }
-
- inline void ParMarkBitMap::clear_range(idx_t beg, idx_t end)
- {
- _beg_bits.clear_range(beg, end);
- _end_bits.clear_range(beg, end);
- }
-
- inline ParMarkBitMap::idx_t
- ParMarkBitMap::bits_required(size_t words)
- {
- // Need two bits (one begin bit, one end bit) for each unit of 'object
- // granularity' in the heap.
- return words_to_bits(words * 2);
- }
-
- inline ParMarkBitMap::idx_t
- ParMarkBitMap::bits_required(MemRegion covered_region)
- {
- return bits_required(covered_region.word_size());
- }
-
- inline HeapWord*
- ParMarkBitMap::region_start() const
- {
- return _region_start;
- }
-
- inline HeapWord*
- ParMarkBitMap::region_end() const
- {
- return region_start() + region_size();
- }
-
- inline size_t
- ParMarkBitMap::region_size() const
- {
- return _region_size;
- }
-
- inline size_t
- ParMarkBitMap::size() const
- {
- return _beg_bits.size();
- }
-
- inline bool ParMarkBitMap::is_obj_beg(idx_t bit) const
- {
- return _beg_bits.at(bit);
- }
-
- inline bool ParMarkBitMap::is_obj_end(idx_t bit) const
- {
- return _end_bits.at(bit);
- }
-
- inline bool ParMarkBitMap::is_marked(idx_t bit) const
- {
- return is_obj_beg(bit);
- }
-
- inline bool ParMarkBitMap::is_marked(HeapWord* addr) const
- {
- return is_marked(addr_to_bit(addr));
- }
-
- inline bool ParMarkBitMap::is_marked(oop obj) const
- {
- return is_marked((HeapWord*)obj);
- }
-
- inline bool ParMarkBitMap::is_unmarked(idx_t bit) const
- {
- return !is_marked(bit);
- }
-
- inline bool ParMarkBitMap::is_unmarked(HeapWord* addr) const
- {
- return !is_marked(addr);
- }
-
- inline bool ParMarkBitMap::is_unmarked(oop obj) const
- {
- return !is_marked(obj);
- }
-
- inline size_t
- ParMarkBitMap::bits_to_words(idx_t bits)
- {
- return bits << obj_granularity_shift();
- }
-
- inline ParMarkBitMap::idx_t
- ParMarkBitMap::words_to_bits(size_t words)
- {
- return words >> obj_granularity_shift();
- }
-
- inline size_t ParMarkBitMap::obj_size(idx_t beg_bit, idx_t end_bit) const
- {
- DEBUG_ONLY(verify_bit(beg_bit);)
- DEBUG_ONLY(verify_bit(end_bit);)
- return bits_to_words(end_bit - beg_bit + 1);
- }
-
- inline size_t
- ParMarkBitMap::obj_size(HeapWord* beg_addr, HeapWord* end_addr) const
- {
- DEBUG_ONLY(verify_addr(beg_addr);)
- DEBUG_ONLY(verify_addr(end_addr);)
- return pointer_delta(end_addr, beg_addr) + obj_granularity();
- }
-
- inline size_t ParMarkBitMap::obj_size(idx_t beg_bit) const
- {
- const idx_t end_bit = _end_bits.get_next_one_offset(beg_bit, size());
- assert(is_marked(beg_bit), "obj not marked");
- assert(end_bit < size(), "end bit missing");
- return obj_size(beg_bit, end_bit);
- }
-
- inline size_t ParMarkBitMap::obj_size(HeapWord* addr) const
- {
- return obj_size(addr_to_bit(addr));
- }
-
- inline ParMarkBitMap::IterationStatus
- ParMarkBitMap::iterate(ParMarkBitMapClosure* live_closure,
- HeapWord* range_beg,
- HeapWord* range_end) const
- {
- return iterate(live_closure, addr_to_bit(range_beg), addr_to_bit(range_end));
- }
-
- inline ParMarkBitMap::IterationStatus
- ParMarkBitMap::iterate(ParMarkBitMapClosure* live_closure,
- ParMarkBitMapClosure* dead_closure,
- HeapWord* range_beg,
- HeapWord* range_end,
- HeapWord* dead_range_end) const
- {
- return iterate(live_closure, dead_closure,
- addr_to_bit(range_beg), addr_to_bit(range_end),
- addr_to_bit(dead_range_end));
- }
-
- inline bool
- ParMarkBitMap::mark_obj(oop obj, int size)
- {
- return mark_obj((HeapWord*)obj, (size_t)size);
- }
-
- inline BitMap::idx_t
- ParMarkBitMap::addr_to_bit(HeapWord* addr) const
- {
- DEBUG_ONLY(verify_addr(addr);)
- return words_to_bits(pointer_delta(addr, region_start()));
- }
-
- inline HeapWord*
- ParMarkBitMap::bit_to_addr(idx_t bit) const
- {
- DEBUG_ONLY(verify_bit(bit);)
- return region_start() + bits_to_words(bit);
- }
-
- inline ParMarkBitMap::idx_t
- ParMarkBitMap::find_obj_beg(idx_t beg, idx_t end) const
- {
- return _beg_bits.get_next_one_offset_aligned_right(beg, end);
- }
-
- inline ParMarkBitMap::idx_t
- ParMarkBitMap::find_obj_end(idx_t beg, idx_t end) const
- {
- return _end_bits.get_next_one_offset_aligned_right(beg, end);
- }
-
- inline HeapWord*
- ParMarkBitMap::find_obj_beg(HeapWord* beg, HeapWord* end) const
- {
- const idx_t beg_bit = addr_to_bit(beg);
- const idx_t end_bit = addr_to_bit(end);
- const idx_t search_end = BitMap::word_align_up(end_bit);
- const idx_t res_bit = MIN2(find_obj_beg(beg_bit, search_end), end_bit);
- return bit_to_addr(res_bit);
- }
-
- inline HeapWord*
- ParMarkBitMap::find_obj_end(HeapWord* beg, HeapWord* end) const
- {
- const idx_t beg_bit = addr_to_bit(beg);
- const idx_t end_bit = addr_to_bit(end);
- const idx_t search_end = BitMap::word_align_up(end_bit);
- const idx_t res_bit = MIN2(find_obj_end(beg_bit, search_end), end_bit);
- return bit_to_addr(res_bit);
- }
-
- #ifdef ASSERT
- inline void ParMarkBitMap::verify_bit(idx_t bit) const {
- // Allow one past the last valid bit; useful for loop bounds.
- assert(bit <= _beg_bits.size(), "bit out of range");
- }
-
- inline void ParMarkBitMap::verify_addr(HeapWord* addr) const {
- // Allow one past the last valid address; useful for loop bounds.
- assert(addr >= region_start(),
- "addr too small, addr: " PTR_FORMAT " region start: " PTR_FORMAT, p2i(addr), p2i(region_start()));
- assert(addr <= region_end(),
- "addr too big, addr: " PTR_FORMAT " region end: " PTR_FORMAT, p2i(addr), p2i(region_end()));
- }
- #endif // #ifdef ASSERT
-
#endif // SHARE_VM_GC_PARALLEL_PARMARKBITMAP_HPP
--- 186,191 ----
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