1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/oops/objArrayKlass.inline.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,102 @@
1.4 +/*
1.5 + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP
1.29 +#define SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP
1.30 +
1.31 +#include "gc_implementation/shared/markSweep.inline.hpp"
1.32 +#include "oops/objArrayKlass.hpp"
1.33 +#include "utilities/macros.hpp"
1.34 +#if INCLUDE_ALL_GCS
1.35 +#include "gc_implementation/parallelScavenge/psCompactionManager.inline.hpp"
1.36 +#include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
1.37 +#endif // INCLUDE_ALL_GCS
1.38 +
1.39 +void ObjArrayKlass::oop_follow_contents(oop obj, int index) {
1.40 + if (UseCompressedOops) {
1.41 + objarray_follow_contents<narrowOop>(obj, index);
1.42 + } else {
1.43 + objarray_follow_contents<oop>(obj, index);
1.44 + }
1.45 +}
1.46 +
1.47 +template <class T>
1.48 +void ObjArrayKlass::objarray_follow_contents(oop obj, int index) {
1.49 + objArrayOop a = objArrayOop(obj);
1.50 + const size_t len = size_t(a->length());
1.51 + const size_t beg_index = size_t(index);
1.52 + assert(beg_index < len || len == 0, "index too large");
1.53 +
1.54 + const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);
1.55 + const size_t end_index = beg_index + stride;
1.56 + T* const base = (T*)a->base();
1.57 + T* const beg = base + beg_index;
1.58 + T* const end = base + end_index;
1.59 +
1.60 + // Push the non-NULL elements of the next stride on the marking stack.
1.61 + for (T* e = beg; e < end; e++) {
1.62 + MarkSweep::mark_and_push<T>(e);
1.63 + }
1.64 +
1.65 + if (end_index < len) {
1.66 + MarkSweep::push_objarray(a, end_index); // Push the continuation.
1.67 + }
1.68 +}
1.69 +
1.70 +#if INCLUDE_ALL_GCS
1.71 +void ObjArrayKlass::oop_follow_contents(ParCompactionManager* cm, oop obj,
1.72 + int index) {
1.73 + if (UseCompressedOops) {
1.74 + objarray_follow_contents<narrowOop>(cm, obj, index);
1.75 + } else {
1.76 + objarray_follow_contents<oop>(cm, obj, index);
1.77 + }
1.78 +}
1.79 +
1.80 +template <class T>
1.81 +void ObjArrayKlass::objarray_follow_contents(ParCompactionManager* cm, oop obj,
1.82 + int index) {
1.83 + objArrayOop a = objArrayOop(obj);
1.84 + const size_t len = size_t(a->length());
1.85 + const size_t beg_index = size_t(index);
1.86 + assert(beg_index < len || len == 0, "index too large");
1.87 +
1.88 + const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);
1.89 + const size_t end_index = beg_index + stride;
1.90 + T* const base = (T*)a->base();
1.91 + T* const beg = base + beg_index;
1.92 + T* const end = base + end_index;
1.93 +
1.94 + // Push the non-NULL elements of the next stride on the marking stack.
1.95 + for (T* e = beg; e < end; e++) {
1.96 + PSParallelCompact::mark_and_push<T>(cm, e);
1.97 + }
1.98 +
1.99 + if (end_index < len) {
1.100 + cm->push_objarray(a, end_index); // Push the continuation.
1.101 + }
1.102 +}
1.103 +#endif // INCLUDE_ALL_GCS
1.104 +
1.105 +#endif // SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP
