1 /*

     2  * Copyright (c) 2017, 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 

    24 #include "precompiled.hpp"

    25 #include "gc/z/zRelocationSet.hpp"

    26 #include "memory/allocation.inline.hpp"

    27 

    28 ZRelocationSet::ZRelocationSet() :

    29     _pages(NULL),

    30     _npages(0) {}

    31 

    32 void ZRelocationSet::populate(const ZPage* const* group0, size_t ngroup0,

    33                               const ZPage* const* group1, size_t ngroup1) {

    34   _npages = ngroup0 + ngroup1;

    35   _pages = REALLOC_C_HEAP_ARRAY(ZPage*, _pages, _npages, mtGC);

    36 

    37   if (_pages != NULL) {

    38     if (group0 != NULL) {

    39       memcpy(_pages, group0, ngroup0 * sizeof(ZPage*));

    40     }

    41     if (group1 != NULL) {

    42       memcpy(_pages + ngroup0, group1, ngroup1 * sizeof(ZPage*));

    43     }

    44   }

    45 }