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 # include "incls/_precompiled.incl" 26 # include "incls/_defNewGeneration.cpp.incl" 27 28 // 29 // DefNewGeneration functions. 30 31 // Methods of protected closure types. 32 33 DefNewGeneration::IsAliveClosure::IsAliveClosure(Generation* g) : _g(g) { 34 assert(g->level() == 0, "Optimized for youngest gen."); 35 } 36 void DefNewGeneration::IsAliveClosure::do_object(oop p) { 37 assert(false, "Do not call."); 38 } 39 bool DefNewGeneration::IsAliveClosure::do_object_b(oop p) { 40 return (HeapWord*)p >= _g->reserved().end() || p->is_forwarded(); 41 } 42 43 DefNewGeneration::KeepAliveClosure:: 44 KeepAliveClosure(ScanWeakRefClosure* cl) : _cl(cl) { 45 GenRemSet* rs = GenCollectedHeap::heap()->rem_set(); 46 assert(rs->rs_kind() == GenRemSet::CardTable, "Wrong rem set kind."); | 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 #include "precompiled.hpp" 26 #include "gc_implementation/shared/collectorCounters.hpp" 27 #include "gc_implementation/shared/gcPolicyCounters.hpp" 28 #include "gc_implementation/shared/spaceDecorator.hpp" 29 #include "memory/defNewGeneration.inline.hpp" 30 #include "memory/gcLocker.inline.hpp" 31 #include "memory/genCollectedHeap.hpp" 32 #include "memory/genOopClosures.inline.hpp" 33 #include "memory/generationSpec.hpp" 34 #include "memory/iterator.hpp" 35 #include "memory/referencePolicy.hpp" 36 #include "memory/space.inline.hpp" 37 #include "oops/instanceRefKlass.hpp" 38 #include "oops/oop.inline.hpp" 39 #include "runtime/java.hpp" 40 #include "utilities/copy.hpp" 41 #include "utilities/stack.inline.hpp" 42 #ifdef TARGET_OS_FAMILY_linux 43 # include "thread_linux.inline.hpp" 44 #endif 45 #ifdef TARGET_OS_FAMILY_solaris 46 # include "thread_solaris.inline.hpp" 47 #endif 48 #ifdef TARGET_OS_FAMILY_windows 49 # include "thread_windows.inline.hpp" 50 #endif 51 52 // 53 // DefNewGeneration functions. 54 55 // Methods of protected closure types. 56 57 DefNewGeneration::IsAliveClosure::IsAliveClosure(Generation* g) : _g(g) { 58 assert(g->level() == 0, "Optimized for youngest gen."); 59 } 60 void DefNewGeneration::IsAliveClosure::do_object(oop p) { 61 assert(false, "Do not call."); 62 } 63 bool DefNewGeneration::IsAliveClosure::do_object_b(oop p) { 64 return (HeapWord*)p >= _g->reserved().end() || p->is_forwarded(); 65 } 66 67 DefNewGeneration::KeepAliveClosure:: 68 KeepAliveClosure(ScanWeakRefClosure* cl) : _cl(cl) { 69 GenRemSet* rs = GenCollectedHeap::heap()->rem_set(); 70 assert(rs->rs_kind() == GenRemSet::CardTable, "Wrong rem set kind."); |