1 /* 2 * Copyright (c) 2016, 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_PARALLEL_PSPARALLELCOMPACT_INLINE_HPP 26 #define SHARE_VM_GC_PARALLEL_PSPARALLELCOMPACT_INLINE_HPP 27 28 #include "gc/parallel/parallelScavengeHeap.hpp" 29 #include "gc/parallel/psParallelCompact.hpp" 30 #include "gc/shared/collectedHeap.hpp" 31 #include "oops/klass.hpp" 32 #include "oops/oop.inline.hpp" 33 34 inline bool PSParallelCompact::mark_obj(oop obj) { 35 const int obj_size = obj->size(); 36 if (mark_bitmap()->mark_obj(obj, obj_size)) { 37 _summary_data.add_obj(obj, obj_size); 38 return true; 39 } else { 40 return false; 41 } 42 } 43 44 template <class T> 45 inline void PSParallelCompact::adjust_pointer(T* p, ParCompactionManager* cm) { 46 T heap_oop = oopDesc::load_heap_oop(p); 47 if (!oopDesc::is_null(heap_oop)) { 48 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); 49 assert(ParallelScavengeHeap::heap()->is_in(obj), "should be in heap"); 50 51 oop new_obj = (oop)summary_data().calc_new_pointer(obj, cm); 52 assert(new_obj != NULL, // is forwarding ptr? 53 "should be forwarded"); 54 // Just always do the update unconditionally? 55 if (new_obj != NULL) { 56 assert(ParallelScavengeHeap::heap()->is_in_reserved(new_obj), 57 "should be in object space"); 58 oopDesc::encode_store_heap_oop_not_null(p, new_obj); 59 } 60 } 61 } 62 63 template <typename T> 64 void PSParallelCompact::AdjustPointerClosure::do_oop_nv(T* p) { 65 adjust_pointer(p, _cm); 66 } 67 68 inline void PSParallelCompact::AdjustPointerClosure::do_oop(oop* p) { do_oop_nv(p); } 69 inline void PSParallelCompact::AdjustPointerClosure::do_oop(narrowOop* p) { do_oop_nv(p); } 70 71 #endif // SHARE_VM_GC_PARALLEL_PSPARALLELCOMPACT_INLINE_HPP