| /* |
| * Copyright (c) 2007, 2017, 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_CMS_CMSOOPCLOSURES_INLINE_HPP |
| #define SHARE_VM_GC_CMS_CMSOOPCLOSURES_INLINE_HPP |
| |
| #include "gc/cms/cmsOopClosures.hpp" |
| #include "gc/cms/concurrentMarkSweepGeneration.hpp" |
| #include "gc/shared/taskqueue.inline.hpp" |
| #include "oops/access.inline.hpp" |
| #include "oops/compressedOops.inline.hpp" |
| #include "oops/oop.inline.hpp" |
| |
| // MetadataVisitingOopIterateClosure and MetadataVisitingOopsInGenClosure are duplicated, |
| // until we get rid of OopsInGenClosure. |
| |
| inline void MetadataVisitingOopsInGenClosure::do_klass(Klass* k) { |
| ClassLoaderData* cld = k->class_loader_data(); |
| MetadataVisitingOopsInGenClosure::do_cld(cld); |
| } |
| |
| inline void MetadataVisitingOopsInGenClosure::do_cld(ClassLoaderData* cld) { |
| bool claim = true; // Must claim the class loader data before processing. |
| cld->oops_do(this, claim); |
| } |
| |
| // Decode the oop and call do_oop on it. |
| #define DO_OOP_WORK_IMPL(cls) \ |
| template <class T> void cls::do_oop_work(T* p) { \ |
| T heap_oop = RawAccess<>::oop_load(p); \ |
| if (!CompressedOops::is_null(heap_oop)) { \ |
| oop obj = CompressedOops::decode_not_null(heap_oop); \ |
| do_oop(obj); \ |
| } \ |
| } \ |
| inline void cls::do_oop(oop* p) { do_oop_work(p); } \ |
| inline void cls::do_oop(narrowOop* p) { do_oop_work(p); } |
| |
| DO_OOP_WORK_IMPL(MarkRefsIntoClosure) |
| DO_OOP_WORK_IMPL(ParMarkRefsIntoClosure) |
| DO_OOP_WORK_IMPL(MarkRefsIntoVerifyClosure) |
| DO_OOP_WORK_IMPL(PushAndMarkClosure) |
| DO_OOP_WORK_IMPL(ParPushAndMarkClosure) |
| DO_OOP_WORK_IMPL(MarkRefsIntoAndScanClosure) |
| DO_OOP_WORK_IMPL(ParMarkRefsIntoAndScanClosure) |
| |
| // Trim our work_queue so its length is below max at return |
| inline void ParMarkRefsIntoAndScanClosure::trim_queue(uint max) { |
| while (_work_queue->size() > max) { |
| oop newOop; |
| if (_work_queue->pop_local(newOop)) { |
| assert(oopDesc::is_oop(newOop), "Expected an oop"); |
| assert(_bit_map->isMarked((HeapWord*)newOop), |
| "only grey objects on this stack"); |
| // iterate over the oops in this oop, marking and pushing |
| // the ones in CMS heap (i.e. in _span). |
| newOop->oop_iterate(&_parPushAndMarkClosure); |
| } |
| } |
| } |
| |
| DO_OOP_WORK_IMPL(PushOrMarkClosure) |
| DO_OOP_WORK_IMPL(ParPushOrMarkClosure) |
| DO_OOP_WORK_IMPL(CMSKeepAliveClosure) |
| DO_OOP_WORK_IMPL(CMSInnerParMarkAndPushClosure) |
| DO_OOP_WORK_IMPL(CMSParKeepAliveClosure) |
| |
| #endif // SHARE_VM_GC_CMS_CMSOOPCLOSURES_INLINE_HPP |
