1 /* 2 * Copyright (c) 2017, 2020, Red Hat, Inc. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP 26 #define SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP 27 28 #include "gc/shenandoah/shenandoahCollectionSet.hpp" 29 30 #include "gc/shenandoah/shenandoahHeap.hpp" 31 #include "gc/shenandoah/shenandoahHeap.inline.hpp" 32 #include "gc/shenandoah/shenandoahHeapRegion.hpp" 33 34 bool ShenandoahCollectionSet::is_in(size_t region_idx) const { 35 assert(region_idx < _heap->num_regions(), "Sanity"); 36 return _cset_map[region_idx] == 1; 37 } 38 39 bool ShenandoahCollectionSet::is_in(ShenandoahHeapRegion* r) const { 40 return is_in(r->index()); 41 } 42 43 bool ShenandoahCollectionSet::is_in(oop p) const { 44 shenandoah_assert_in_heap_bounds_or_null(nullptr, p); 45 return is_in_loc(cast_from_oop<void*>(p)); 46 } 47 48 bool ShenandoahCollectionSet::is_in_loc(void* p) const { 49 assert(p == nullptr || _heap->is_in_reserved(p), "Must be in the heap"); 50 uintx index = ((uintx) p) >> _region_size_bytes_shift; 51 // no need to subtract the bottom of the heap from p, 52 // _biased_cset_map is biased 53 return _biased_cset_map[index] == 1; 54 } 55 56 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP --- EOF ---