jdk8-mips64-public/hotspot: src/share/vm/oops/objArrayKlass.inline.hpp@c18cbe5936b8

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

     1 /*

     2  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 void objArrayKlass::oop_follow_contents(oop obj, int index) {

    26   if (UseCompressedOops) {

    27     objarray_follow_contents<narrowOop>(obj, index);

    28   } else {

    29     objarray_follow_contents<oop>(obj, index);

    30   }

    31 }

    33 template <class T>

    34 void objArrayKlass::objarray_follow_contents(oop obj, int index) {

    35   objArrayOop a = objArrayOop(obj);

    36   const size_t len = size_t(a->length());

    37   const size_t beg_index = size_t(index);

    38   assert(beg_index < len || len == 0, "index too large");

    40   const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);

    41   const size_t end_index = beg_index + stride;

    42   T* const base = (T*)a->base();

    43   T* const beg = base + beg_index;

    44   T* const end = base + end_index;

    46   // Push the non-NULL elements of the next stride on the marking stack.

    47   for (T* e = beg; e < end; e++) {

    48     MarkSweep::mark_and_push<T>(e);

    49   }

    51   if (end_index < len) {

    52     MarkSweep::push_objarray(a, end_index); // Push the continuation.

    53   }

    54 }

    56 #ifndef SERIALGC

    57 void objArrayKlass::oop_follow_contents(ParCompactionManager* cm, oop obj,

    58                                         int index) {

    59   if (UseCompressedOops) {

    60     objarray_follow_contents<narrowOop>(cm, obj, index);

    61   } else {

    62     objarray_follow_contents<oop>(cm, obj, index);

    63   }

    64 }

    66 template <class T>

    67 void objArrayKlass::objarray_follow_contents(ParCompactionManager* cm, oop obj,

    68                                              int index) {

    69   objArrayOop a = objArrayOop(obj);

    70   const size_t len = size_t(a->length());

    71   const size_t beg_index = size_t(index);

    72   assert(beg_index < len || len == 0, "index too large");

    74   const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);

    75   const size_t end_index = beg_index + stride;

    76   T* const base = (T*)a->base();

    77   T* const beg = base + beg_index;

    78   T* const end = base + end_index;

    80   // Push the non-NULL elements of the next stride on the marking stack.

    81   for (T* e = beg; e < end; e++) {

    82     PSParallelCompact::mark_and_push<T>(cm, e);

    83   }

    85   if (end_index < len) {

    86     cm->push_objarray(a, end_index); // Push the continuation.

    87   }

    88 }

    89 #endif // #ifndef SERIALGC

Mercurial > jdk8-mips64-public > hotspot / file revision