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 }