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 case ArchiveTag: 37 return true; 38 } 39 return false; 40 } 41 42 const char* HeapRegionType::get_str() const { 43 hrt_assert_is_valid(_tag); 44 switch (_tag) { 45 case FreeTag: return "FREE"; 46 case EdenTag: return "EDEN"; 47 case SurvTag: return "SURV"; 48 case StartsHumongousTag: return "HUMS"; 49 case ContinuesHumongousTag: return "HUMC"; 50 case OldTag: return "OLD"; 51 case ArchiveTag: return "ARC"; 52 } 53 ShouldNotReachHere(); 54 // keep some compilers happy 55 return NULL; 56 } 57 58 const char* HeapRegionType::get_short_str() const { 59 hrt_assert_is_valid(_tag); 60 switch (_tag) { 61 case FreeTag: return "F"; 62 case EdenTag: return "E"; 63 case SurvTag: return "S"; 64 case StartsHumongousTag: return "HS"; 65 case ContinuesHumongousTag: return "HC"; 66 case OldTag: return "O"; 67 case ArchiveTag: return "A"; 68 } 69 ShouldNotReachHere(); 70 // keep some compilers happy 71 return NULL; 72 }