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_implementation/shenandoah/shenandoahAsserts.hpp"
  28 #include "gc_implementation/shenandoah/shenandoahHeapRegionSet.hpp"
  29 #include "gc_implementation/shenandoah/shenandoahHeap.hpp"
  30 #include "gc_implementation/shenandoah/shenandoahHeap.inline.hpp"
  31 #include "gc_implementation/shenandoah/shenandoahHeapRegion.hpp"
  32 
  33 bool ShenandoahHeapRegionSet::is_in(size_t region_idx) const {
  34   assert(region_idx < _heap->num_regions(), "Sanity");
  35   return _set_map[region_idx] == 1;
  36 }
  37 
  38 bool ShenandoahHeapRegionSet::is_in(ShenandoahHeapRegion* r) const {
  39   return is_in(r->index());
  40 }
  41 
  42 bool ShenandoahHeapRegionSet::is_in(oop p) const {
  43   shenandoah_assert_in_heap(NULL, p);
  44   uintx index = ((uintx)(void*) p) >> _region_size_bytes_shift;
  45   // no need to subtract the bottom of the heap from p,
  46   // _biased_set_map is biased
  47   return _biased_set_map[index] == 1;
  48 }
  49 
  50 #endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHHEAPREGIONSET_INLINE_HPP