Mercurial > hg > shenandoah-preopenjdk-archive > openjdk8 > hotspot
view src/share/vm/gc_implementation/shared/cmBitMap.inline.hpp @ 7429:c7e95b9e0104
Added missing files from merge.
author | Roman Kennke <rkennke@redhat.com> |
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date | Thu, 04 Dec 2014 23:03:22 +0100 |
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#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_CMBITMAP_INLINE_HPP #define SHARE_VM_GC_IMPLEMENTATION_SHARED_CMBITMAP_INLINE_HPP #include "gc_implementation/shared/cmBitMap.hpp" #include "utilities/bitMap.inline.hpp" inline bool CMBitMapRO::iterate(BitMapClosure* cl, MemRegion mr) { HeapWord* start_addr = MAX2(startWord(), mr.start()); HeapWord* end_addr = MIN2(endWord(), mr.end()); if (end_addr > start_addr) { // Right-open interval [start-offset, end-offset). BitMap::idx_t start_offset = heapWordToOffset(start_addr); BitMap::idx_t end_offset = heapWordToOffset(end_addr); start_offset = _bm.get_next_one_offset(start_offset, end_offset); while (start_offset < end_offset) { if (!cl->do_bit(start_offset)) { return false; } HeapWord* next_addr = MIN2(nextObject(offsetToHeapWord(start_offset)), end_addr); BitMap::idx_t next_offset = heapWordToOffset(next_addr); start_offset = _bm.get_next_one_offset(next_offset, end_offset); } } return true; } inline bool CMBitMapRO::iterate(BitMapClosure* cl) { MemRegion mr(startWord(), sizeInWords()); return iterate(cl, mr); } #define check_mark(addr) \ assert(_bmStartWord <= (addr) && (addr) < (_bmStartWord + _bmWordSize), \ "outside underlying space?"); \ /* assert(G1CollectedHeap::heap()->is_in_exact(addr), \ err_msg("Trying to access not available bitmap "PTR_FORMAT \ " corresponding to "PTR_FORMAT" (%u)", \ p2i(this), p2i(addr), G1CollectedHeap::heap()->addr_to_region(addr))); */ inline void CMBitMap::mark(HeapWord* addr) { check_mark(addr); _bm.set_bit(heapWordToOffset(addr)); } inline void CMBitMap::clear(HeapWord* addr) { check_mark(addr); _bm.clear_bit(heapWordToOffset(addr)); } inline bool CMBitMap::parMark(HeapWord* addr) { check_mark(addr); return _bm.par_set_bit(heapWordToOffset(addr)); } inline bool CMBitMap::parClear(HeapWord* addr) { check_mark(addr); return _bm.par_clear_bit(heapWordToOffset(addr)); } #undef check_mark #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_CMBITMAP_INLINE_HPP