| /* |
| * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_GC_G1_G1FULLGCOOPCLOSURES_INLINE_HPP |
| #define SHARE_VM_GC_G1_G1FULLGCOOPCLOSURES_INLINE_HPP |
| |
| #include "gc/g1/g1Allocator.hpp" |
| #include "gc/g1/g1ConcurrentMarkBitMap.inline.hpp" |
| #include "gc/g1/g1FullGCMarker.inline.hpp" |
| #include "gc/g1/g1FullGCOopClosures.hpp" |
| #include "gc/g1/heapRegionRemSet.hpp" |
| #include "memory/iterator.inline.hpp" |
| #include "oops/access.inline.hpp" |
| #include "oops/compressedOops.inline.hpp" |
| #include "oops/oop.inline.hpp" |
| |
| template <typename T> |
| inline void G1MarkAndPushClosure::do_oop_work(T* p) { |
| _marker->mark_and_push(p); |
| } |
| |
| inline void G1MarkAndPushClosure::do_oop(oop* p) { |
| do_oop_work(p); |
| } |
| |
| inline void G1MarkAndPushClosure::do_oop(narrowOop* p) { |
| do_oop_work(p); |
| } |
| |
| inline bool G1MarkAndPushClosure::do_metadata() { |
| return true; |
| } |
| |
| inline void G1MarkAndPushClosure::do_klass(Klass* k) { |
| _marker->follow_klass(k); |
| } |
| |
| inline void G1MarkAndPushClosure::do_cld(ClassLoaderData* cld) { |
| _marker->follow_cld(cld); |
| } |
| |
| template <class T> inline void G1AdjustClosure::adjust_pointer(T* p) { |
| T heap_oop = RawAccess<>::oop_load(p); |
| if (CompressedOops::is_null(heap_oop)) { |
| return; |
| } |
| |
| oop obj = CompressedOops::decode_not_null(heap_oop); |
| assert(Universe::heap()->is_in(obj), "should be in heap"); |
| if (G1ArchiveAllocator::is_archive_object(obj)) { |
| // We never forward archive objects. |
| return; |
| } |
| |
| oop forwardee = obj->forwardee(); |
| if (forwardee == NULL) { |
| // Not forwarded, return current reference. |
| assert(obj->mark_raw() == markOop::prototype_for_object(obj) || // Correct mark |
| obj->mark_raw().must_be_preserved(obj) || // Will be restored by PreservedMarksSet |
| (UseBiasedLocking && obj->has_bias_pattern_raw()), // Will be restored by BiasedLocking |
| "Must have correct prototype or be preserved, obj: " PTR_FORMAT ", mark: " PTR_FORMAT ", prototype: " PTR_FORMAT, |
| p2i(obj), p2i(obj->mark_raw()), p2i(markOop::prototype_for_object(obj))); |
| return; |
| } |
| |
| // Forwarded, just update. |
| assert(Universe::heap()->is_in_reserved(forwardee), "should be in object space"); |
| RawAccess<IS_NOT_NULL>::oop_store(p, forwardee); |
| } |
| |
| inline void G1AdjustClosure::do_oop(oop* p) { do_oop_work(p); } |
| inline void G1AdjustClosure::do_oop(narrowOop* p) { do_oop_work(p); } |
| |
| inline bool G1IsAliveClosure::do_object_b(oop p) { |
| return _bitmap->is_marked(p) || G1ArchiveAllocator::is_closed_archive_object(p); |
| } |
| |
| template<typename T> |
| inline void G1FullKeepAliveClosure::do_oop_work(T* p) { |
| _marker->mark_and_push(p); |
| } |
| |
| #endif |