1 /* 2 * Copyright (c) 2014, 2015, 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 25 #include "precompiled.hpp" 26 #include "gc/g1/heapRegionType.hpp" 27 28 bool HeapRegionType::is_valid(Tag tag) { 29 switch (tag) { 30 case FreeTag: 31 case EdenTag: 32 case SurvTag: 33 case StartsHumongousTag: 34 case ContinuesHumongousTag: 35 case OldTag: 36 return true; 37 } 38 return false; 39 } 40 41 const char* HeapRegionType::get_str() const { 42 hrt_assert_is_valid(_tag); 43 switch (_tag) { 44 case FreeTag: return "FREE"; 45 case EdenTag: return "EDEN"; 46 case SurvTag: return "SURV"; 47 case StartsHumongousTag: return "HUMS"; 48 case ContinuesHumongousTag: return "HUMC"; 49 case OldTag: return "OLD"; 50 } 51 ShouldNotReachHere(); 52 // keep some compilers happy 53 return NULL; 54 } 55 56 const char* HeapRegionType::get_short_str() const { 57 hrt_assert_is_valid(_tag); 58 switch (_tag) { 59 case FreeTag: return "F"; 60 case EdenTag: return "E"; 61 case SurvTag: return "S"; 62 case StartsHumongousTag: return "HS"; 63 case ContinuesHumongousTag: return "HC"; 64 case OldTag: return "O"; 65 } 66 ShouldNotReachHere(); 67 // keep some compilers happy 68 return NULL; 69 }