1/*
2 * Copyright (c) 2014, 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
25#include "precompiled.hpp"
26#include "gc/g1/g1HeapRegionTraceType.hpp"
27#include "gc/g1/heapRegionType.hpp"
28
29bool HeapRegionType::is_valid(Tag tag) {
30  switch (tag) {
31    case FreeTag:
32    case EdenTag:
33    case SurvTag:
34    case StartsHumongousTag:
35    case ContinuesHumongousTag:
36    case OldTag:
37    case OpenArchiveTag:
38    case ClosedArchiveTag:
39      return true;
40    default:
41      return false;
42  }
43}
44
45const char* HeapRegionType::get_str() const {
46  hrt_assert_is_valid(_tag);
47  switch (_tag) {
48    case FreeTag:               return "FREE";
49    case EdenTag:               return "EDEN";
50    case SurvTag:               return "SURV";
51    case StartsHumongousTag:    return "HUMS";
52    case ContinuesHumongousTag: return "HUMC";
53    case OldTag:                return "OLD";
54    case OpenArchiveTag:        return "OARC";
55    case ClosedArchiveTag:      return "CARC";
56    default:
57      ShouldNotReachHere();
58      return NULL; // keep some compilers happy
59  }
60}
61
62const char* HeapRegionType::get_short_str() const {
63  hrt_assert_is_valid(_tag);
64  switch (_tag) {
65    case FreeTag:               return "F";
66    case EdenTag:               return "E";
67    case SurvTag:               return "S";
68    case StartsHumongousTag:    return "HS";
69    case ContinuesHumongousTag: return "HC";
70    case OldTag:                return "O";
71    case OpenArchiveTag:        return "OA";
72    case ClosedArchiveTag:      return "CA";
73    default:
74      ShouldNotReachHere();
75      return NULL; // keep some compilers happy
76  }
77}
78
79G1HeapRegionTraceType::Type HeapRegionType::get_trace_type() {
80  hrt_assert_is_valid(_tag);
81  switch (_tag) {
82    case FreeTag:               return G1HeapRegionTraceType::Free;
83    case EdenTag:               return G1HeapRegionTraceType::Eden;
84    case SurvTag:               return G1HeapRegionTraceType::Survivor;
85    case StartsHumongousTag:    return G1HeapRegionTraceType::StartsHumongous;
86    case ContinuesHumongousTag: return G1HeapRegionTraceType::ContinuesHumongous;
87    case OldTag:                return G1HeapRegionTraceType::Old;
88    case OpenArchiveTag:        return G1HeapRegionTraceType::OpenArchive;
89    case ClosedArchiveTag:      return G1HeapRegionTraceType::ClosedArchive;
90    default:
91      ShouldNotReachHere();
92      return G1HeapRegionTraceType::Free; // keep some compilers happy
93  }
94}
95