1 /* 2 * Copyright (c) 2018, Red Hat, Inc. All rights reserved. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 #ifndef SHARE_VM_GC_SHENANDOAH_SHENANDOAHHEAPREGIONSET_INLINE_HPP 25 #define SHARE_VM_GC_SHENANDOAH_SHENANDOAHHEAPREGIONSET_INLINE_HPP 26 27 #include "gc/shenandoah/shenandoahHeapRegionSet.hpp" 28 #include "gc/shenandoah/shenandoahHeap.hpp" 29 #include "gc/shenandoah/shenandoahHeap.inline.hpp" 30 #include "gc/shenandoah/shenandoahHeapRegion.hpp" 31 32 bool ShenandoahHeapRegionSet::is_in(size_t region_number) const { 33 assert(region_number < _heap->num_regions(), "Sanity"); 34 return _set_map[region_number] == 1; 35 } 36 37 bool ShenandoahHeapRegionSet::is_in(ShenandoahHeapRegion* r) const { 38 return is_in(r->region_number()); 39 } 40 41 bool ShenandoahHeapRegionSet::is_in(HeapWord* p) const { 42 assert(_heap->is_in(p), "Must be in the heap"); 43 uintx index = ((uintx) p) >> _region_size_bytes_shift; 44 // no need to subtract the bottom of the heap from p, 45 // _biased_set_map is biased 46 return _biased_set_map[index] == 1; 47 } 48 49 #endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHHEAPREGIONSET_INLINE_HPP