heapRegionType.cpp revision 13254:c044f8d03932 
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
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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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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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 ArchiveTag:
38      return true;
39    default:
40      return false;
41  }
42}
43
44const char* HeapRegionType::get_str() const {
45  hrt_assert_is_valid(_tag);
46  switch (_tag) {
47    case FreeTag:               return "FREE";
48    case EdenTag:               return "EDEN";
49    case SurvTag:               return "SURV";
50    case StartsHumongousTag:    return "HUMS";
51    case ContinuesHumongousTag: return "HUMC";
52    case OldTag:                return "OLD";
53    case ArchiveTag:            return "ARC";
54    default:
55      ShouldNotReachHere();
56      return NULL; // keep some compilers happy
57  }
58}
59
60const char* HeapRegionType::get_short_str() const {
61  hrt_assert_is_valid(_tag);
62  switch (_tag) {
63    case FreeTag:               return "F";
64    case EdenTag:               return "E";
65    case SurvTag:               return "S";
66    case StartsHumongousTag:    return "HS";
67    case ContinuesHumongousTag: return "HC";
68    case OldTag:                return "O";
69    case ArchiveTag:            return "A";
70    default:
71      ShouldNotReachHere();
72      return NULL; // keep some compilers happy
73  }
74}
75
76G1HeapRegionTraceType::Type HeapRegionType::get_trace_type() {
77  hrt_assert_is_valid(_tag);
78  switch (_tag) {
79    case FreeTag:               return G1HeapRegionTraceType::Free;
80    case EdenTag:               return G1HeapRegionTraceType::Eden;
81    case SurvTag:               return G1HeapRegionTraceType::Survivor;
82    case StartsHumongousTag:    return G1HeapRegionTraceType::StartsHumongous;
83    case ContinuesHumongousTag: return G1HeapRegionTraceType::ContinuesHumongous;
84    case OldTag:                return G1HeapRegionTraceType::Old;
85    case ArchiveTag:            return G1HeapRegionTraceType::Archive;
86    default:
87      ShouldNotReachHere();
88      return G1HeapRegionTraceType::Free; // keep some compilers happy
89  }
90}
91