jcoomes@1746: /*
coleenp@4037:  * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
jcoomes@1746:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jcoomes@1746:  *
jcoomes@1746:  * This code is free software; you can redistribute it and/or modify it
jcoomes@1746:  * under the terms of the GNU General Public License version 2 only, as
jcoomes@1746:  * published by the Free Software Foundation.
jcoomes@1746:  *
jcoomes@1746:  * This code is distributed in the hope that it will be useful, but WITHOUT
jcoomes@1746:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jcoomes@1746:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jcoomes@1746:  * version 2 for more details (a copy is included in the LICENSE file that
jcoomes@1746:  * accompanied this code).
jcoomes@1746:  *
jcoomes@1746:  * You should have received a copy of the GNU General Public License version
jcoomes@1746:  * 2 along with this work; if not, write to the Free Software Foundation,
jcoomes@1746:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jcoomes@1746:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
jcoomes@1746:  *
jcoomes@1746:  */
jcoomes@1746: 
stefank@2314: #ifndef SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP
stefank@2314: #define SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP
stefank@2314: 
coleenp@4037: #include "gc_implementation/shared/markSweep.inline.hpp"
stefank@2314: #include "oops/objArrayKlass.hpp"
jprovino@4542: #include "utilities/macros.hpp"
jprovino@4542: #if INCLUDE_ALL_GCS
stefank@2314: #include "gc_implementation/parallelScavenge/psCompactionManager.inline.hpp"
stefank@2314: #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
jprovino@4542: #endif // INCLUDE_ALL_GCS
stefank@2314: 
coleenp@4142: void ObjArrayKlass::oop_follow_contents(oop obj, int index) {
jcoomes@1746:   if (UseCompressedOops) {
jcoomes@1746:     objarray_follow_contents<narrowOop>(obj, index);
jcoomes@1746:   } else {
jcoomes@1746:     objarray_follow_contents<oop>(obj, index);
jcoomes@1746:   }
jcoomes@1746: }
jcoomes@1746: 
jcoomes@1746: template <class T>
coleenp@4142: void ObjArrayKlass::objarray_follow_contents(oop obj, int index) {
jcoomes@1746:   objArrayOop a = objArrayOop(obj);
jcoomes@1746:   const size_t len = size_t(a->length());
jcoomes@1746:   const size_t beg_index = size_t(index);
jcoomes@1746:   assert(beg_index < len || len == 0, "index too large");
jcoomes@1746: 
jcoomes@1746:   const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);
jcoomes@1746:   const size_t end_index = beg_index + stride;
jcoomes@1746:   T* const base = (T*)a->base();
jcoomes@1746:   T* const beg = base + beg_index;
jcoomes@1746:   T* const end = base + end_index;
jcoomes@1746: 
jcoomes@1746:   // Push the non-NULL elements of the next stride on the marking stack.
jcoomes@1746:   for (T* e = beg; e < end; e++) {
jcoomes@1746:     MarkSweep::mark_and_push<T>(e);
jcoomes@1746:   }
jcoomes@1746: 
jcoomes@1746:   if (end_index < len) {
jcoomes@1746:     MarkSweep::push_objarray(a, end_index); // Push the continuation.
jcoomes@1746:   }
jcoomes@1746: }
jcoomes@1746: 
jprovino@4542: #if INCLUDE_ALL_GCS
coleenp@4142: void ObjArrayKlass::oop_follow_contents(ParCompactionManager* cm, oop obj,
jcoomes@1746:                                         int index) {
jcoomes@1746:   if (UseCompressedOops) {
jcoomes@1746:     objarray_follow_contents<narrowOop>(cm, obj, index);
jcoomes@1746:   } else {
jcoomes@1746:     objarray_follow_contents<oop>(cm, obj, index);
jcoomes@1746:   }
jcoomes@1746: }
jcoomes@1746: 
jcoomes@1746: template <class T>
coleenp@4142: void ObjArrayKlass::objarray_follow_contents(ParCompactionManager* cm, oop obj,
jcoomes@1746:                                              int index) {
jcoomes@1746:   objArrayOop a = objArrayOop(obj);
jcoomes@1746:   const size_t len = size_t(a->length());
jcoomes@1746:   const size_t beg_index = size_t(index);
jcoomes@1746:   assert(beg_index < len || len == 0, "index too large");
jcoomes@1746: 
jcoomes@1746:   const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);
jcoomes@1746:   const size_t end_index = beg_index + stride;
jcoomes@1746:   T* const base = (T*)a->base();
jcoomes@1746:   T* const beg = base + beg_index;
jcoomes@1746:   T* const end = base + end_index;
jcoomes@1746: 
jcoomes@1746:   // Push the non-NULL elements of the next stride on the marking stack.
jcoomes@1746:   for (T* e = beg; e < end; e++) {
jcoomes@1746:     PSParallelCompact::mark_and_push<T>(cm, e);
jcoomes@1746:   }
jcoomes@1746: 
jcoomes@1746:   if (end_index < len) {
jcoomes@1746:     cm->push_objarray(a, end_index); // Push the continuation.
jcoomes@1746:   }
jcoomes@1746: }
jprovino@4542: #endif // INCLUDE_ALL_GCS
stefank@2314: 
stefank@2314: #endif // SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP