1 /* 2 * Copyright (c) 2016, 2024, Oracle and/or its affiliates. All rights reserved. 3 * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #ifndef SHARE_GC_PARALLEL_PSPARALLELCOMPACTNEW_INLINE_HPP 27 #define SHARE_GC_PARALLEL_PSPARALLELCOMPACTNEW_INLINE_HPP 28 29 #include "gc/parallel/psParallelCompactNew.hpp" 30 31 #include "gc/parallel/parallelScavengeHeap.hpp" 32 #include "gc/parallel/parMarkBitMap.inline.hpp" 33 #include "gc/shared/collectedHeap.hpp" 34 #include "gc/shared/continuationGCSupport.inline.hpp" 35 #include "gc/shared/fullGCForwarding.inline.hpp" 36 #include "oops/access.inline.hpp" 37 #include "oops/compressedOops.inline.hpp" 38 #include "oops/klass.hpp" 39 #include "oops/oop.inline.hpp" 40 41 inline bool PSParallelCompactNew::is_marked(oop obj) { 42 return mark_bitmap()->is_marked(obj); 43 } 44 45 inline MutableSpace* PSParallelCompactNew::space(SpaceId id) { 46 assert(id < last_space_id, "id out of range"); 47 return _space_info[id].space(); 48 } 49 50 inline ObjectStartArray* PSParallelCompactNew::start_array(SpaceId id) { 51 assert(id < last_space_id, "id out of range"); 52 return _space_info[id].start_array(); 53 } 54 55 template <class T> 56 inline void PSParallelCompactNew::adjust_pointer(T* p) { 57 T heap_oop = RawAccess<>::oop_load(p); 58 if (!CompressedOops::is_null(heap_oop)) { 59 oop obj = CompressedOops::decode_not_null(heap_oop); 60 assert(ParallelScavengeHeap::heap()->is_in(obj), "should be in heap"); 61 assert(is_marked(obj), "must be marked"); 62 if (!FullGCForwarding::is_forwarded(obj)) { 63 return; 64 } 65 oop new_obj = FullGCForwarding::forwardee(obj); 66 assert(new_obj != nullptr, "non-null address for live objects"); 67 assert(new_obj != obj, "inv"); 68 assert(ParallelScavengeHeap::heap()->is_in_reserved(new_obj), 69 "should be in object space"); 70 RawAccess<IS_NOT_NULL>::oop_store(p, new_obj); 71 } 72 } 73 74 #endif // SHARE_GC_PARALLEL_PSPARALLELCOMPACTNEW_INLINE_HPP