jdk8-mips64-public/hotspot: src/share/vm/oops/objArrayKlass.inline.hpp@db9981fd3124

8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
Summary: Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.
Reviewed-by: coleenp, stefank

     1 /*

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     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.

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     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

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    23  */

    25 #ifndef SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP

    26 #define SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP

    28 #include "gc_implementation/shared/markSweep.inline.hpp"

    29 #include "oops/objArrayKlass.hpp"

    30 #include "utilities/macros.hpp"

    31 #if INCLUDE_ALL_GCS

    32 #include "gc_implementation/parallelScavenge/psCompactionManager.inline.hpp"

    33 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"

    34 #endif // INCLUDE_ALL_GCS

    36 void ObjArrayKlass::oop_follow_contents(oop obj, int index) {

    37   if (UseCompressedOops) {

    38     objarray_follow_contents<narrowOop>(obj, index);

    39   } else {

    40     objarray_follow_contents<oop>(obj, index);

    41   }

    42 }

    44 template <class T>

    45 void ObjArrayKlass::objarray_follow_contents(oop obj, int index) {

    46   objArrayOop a = objArrayOop(obj);

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

    48   const size_t beg_index = size_t(index);

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

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

    52   const size_t end_index = beg_index + stride;

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

    54   T* const beg = base + beg_index;

    55   T* const end = base + end_index;

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

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

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

    60   }

    62   if (end_index < len) {

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

    64   }

    65 }

    67 #if INCLUDE_ALL_GCS

    68 void ObjArrayKlass::oop_follow_contents(ParCompactionManager* cm, oop obj,

    69                                         int index) {

    70   if (UseCompressedOops) {

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

    72   } else {

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

    74   }

    75 }

    77 template <class T>

    78 void ObjArrayKlass::objarray_follow_contents(ParCompactionManager* cm, oop obj,

    79                                              int index) {

    80   objArrayOop a = objArrayOop(obj);

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

    82   const size_t beg_index = size_t(index);

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

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

    86   const size_t end_index = beg_index + stride;

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

    88   T* const beg = base + beg_index;

    89   T* const end = base + end_index;

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

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

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

    94   }

    96   if (end_index < len) {

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

    98   }

    99 }

   100 #endif // INCLUDE_ALL_GCS

   102 #endif // SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP

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

src/share/vm/oops/objArrayKlass.inline.hpp@db9981fd3124

src/share/vm/oops/objArrayKlass.inline.hpp