1/*
2 * Copyright (c) 2017, 2019, 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/zForwarding.hpp"
26#include "gc/z/zRelocationSet.hpp"
27#include "memory/allocation.hpp"
28
29ZRelocationSet::ZRelocationSet() :
30 _forwardings(NULL),
31 _nforwardings(0) {}
32
33void ZRelocationSet::populate(ZPage* const* group0, size_t ngroup0,
34 ZPage* const* group1, size_t ngroup1) {
35 _nforwardings = ngroup0 + ngroup1;
36 _forwardings = REALLOC_C_HEAP_ARRAY(ZForwarding*, _forwardings, _nforwardings, mtGC);
37
38 size_t j = 0;
39
40 // Populate group 0
41 for (size_t i = 0; i < ngroup0; i++) {
42 _forwardings[j++] = ZForwarding::create(group0[i]);
43 }
44
45 // Populate group 1
46 for (size_t i = 0; i < ngroup1; i++) {
47 _forwardings[j++] = ZForwarding::create(group1[i]);
48 }
49}
50
51void ZRelocationSet::reset() {
52 for (size_t i = 0; i < _nforwardings; i++) {
53 ZForwarding::destroy(_forwardings[i]);
54 _forwardings[i] = NULL;
55 }
56}
57