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
29 bool 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
44 const 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: ShouldNotReachHere();
55 // keep some compilers happy
56 return NULL;
57 }
58 }
59
60 const 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: ShouldNotReachHere();
71 // keep some compilers happy
72 return NULL;
73 }
74 }
75
76 G1HeapRegionTraceType::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: ShouldNotReachHere();
87 // keep some compilers happy
88 return G1HeapRegionTraceType::Free;
89 }
90 }