< prev index next >

src/share/vm/gc/cms/concurrentMarkSweepGeneration.inline.hpp

Print this page
rev 8362 : [mq]: hotspot
   1 /*
   2  * Copyright (c) 2001, 2014, Oracle and/or its affiliates. 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_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CONCURRENTMARKSWEEPGENERATION_INLINE_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CONCURRENTMARKSWEEPGENERATION_INLINE_HPP
  27 
  28 #include "gc_implementation/concurrentMarkSweep/cmsLockVerifier.hpp"
  29 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp"
  30 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp"
  31 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.hpp"
  32 #include "gc_implementation/parNew/parNewGeneration.hpp"
  33 #include "gc_implementation/shared/gcUtil.hpp"
  34 #include "memory/genCollectedHeap.hpp"
  35 
  36 inline void CMSBitMap::clear_all() {
  37   assert_locked();
  38   // CMS bitmaps are usually cover large memory regions
  39   _bm.clear_large();
  40   return;
  41 }
  42 
  43 inline size_t CMSBitMap::heapWordToOffset(HeapWord* addr) const {
  44   return (pointer_delta(addr, _bmStartWord)) >> _shifter;
  45 }
  46 
  47 inline HeapWord* CMSBitMap::offsetToHeapWord(size_t offset) const {
  48   return _bmStartWord + (offset << _shifter);
  49 }
  50 
  51 inline size_t CMSBitMap::heapWordDiffToOffsetDiff(size_t diff) const {
  52   assert((diff & ((1 << _shifter) - 1)) == 0, "argument check");
  53   return diff >> _shifter;
  54 }


 442 
 443 
 444 inline void ModUnionClosure::do_MemRegion(MemRegion mr) {
 445   // Align the end of mr so it's at a card boundary.
 446   // This is superfluous except at the end of the space;
 447   // we should do better than this XXX
 448   MemRegion mr2(mr.start(), (HeapWord*)round_to((intptr_t)mr.end(),
 449                  CardTableModRefBS::card_size /* bytes */));
 450   _t->mark_range(mr2);
 451 }
 452 
 453 inline void ModUnionClosurePar::do_MemRegion(MemRegion mr) {
 454   // Align the end of mr so it's at a card boundary.
 455   // This is superfluous except at the end of the space;
 456   // we should do better than this XXX
 457   MemRegion mr2(mr.start(), (HeapWord*)round_to((intptr_t)mr.end(),
 458                  CardTableModRefBS::card_size /* bytes */));
 459   _t->par_mark_range(mr2);
 460 }
 461 
 462 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CONCURRENTMARKSWEEPGENERATION_INLINE_HPP
   1 /*
   2  * Copyright (c) 2001, 2015, Oracle and/or its affiliates. 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_VM_GC_CMS_CONCURRENTMARKSWEEPGENERATION_INLINE_HPP
  26 #define SHARE_VM_GC_CMS_CONCURRENTMARKSWEEPGENERATION_INLINE_HPP
  27 
  28 #include "gc/cms/cmsLockVerifier.hpp"
  29 #include "gc/cms/compactibleFreeListSpace.hpp"
  30 #include "gc/cms/concurrentMarkSweepGeneration.hpp"
  31 #include "gc/cms/concurrentMarkSweepThread.hpp"
  32 #include "gc/cms/parNewGeneration.hpp"
  33 #include "gc/shared/gcUtil.hpp"
  34 #include "gc/shared/genCollectedHeap.hpp"
  35 
  36 inline void CMSBitMap::clear_all() {
  37   assert_locked();
  38   // CMS bitmaps are usually cover large memory regions
  39   _bm.clear_large();
  40   return;
  41 }
  42 
  43 inline size_t CMSBitMap::heapWordToOffset(HeapWord* addr) const {
  44   return (pointer_delta(addr, _bmStartWord)) >> _shifter;
  45 }
  46 
  47 inline HeapWord* CMSBitMap::offsetToHeapWord(size_t offset) const {
  48   return _bmStartWord + (offset << _shifter);
  49 }
  50 
  51 inline size_t CMSBitMap::heapWordDiffToOffsetDiff(size_t diff) const {
  52   assert((diff & ((1 << _shifter) - 1)) == 0, "argument check");
  53   return diff >> _shifter;
  54 }


 442 
 443 
 444 inline void ModUnionClosure::do_MemRegion(MemRegion mr) {
 445   // Align the end of mr so it's at a card boundary.
 446   // This is superfluous except at the end of the space;
 447   // we should do better than this XXX
 448   MemRegion mr2(mr.start(), (HeapWord*)round_to((intptr_t)mr.end(),
 449                  CardTableModRefBS::card_size /* bytes */));
 450   _t->mark_range(mr2);
 451 }
 452 
 453 inline void ModUnionClosurePar::do_MemRegion(MemRegion mr) {
 454   // Align the end of mr so it's at a card boundary.
 455   // This is superfluous except at the end of the space;
 456   // we should do better than this XXX
 457   MemRegion mr2(mr.start(), (HeapWord*)round_to((intptr_t)mr.end(),
 458                  CardTableModRefBS::card_size /* bytes */));
 459   _t->par_mark_range(mr2);
 460 }
 461 
 462 #endif // SHARE_VM_GC_CMS_CONCURRENTMARKSWEEPGENERATION_INLINE_HPP
< prev index next >