1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #ifndef PANDA_RUNTIME_MEM_GC_GC_PHASE_H_
17 #define PANDA_RUNTIME_MEM_GC_GC_PHASE_H_
18
19 namespace panda::mem {
20
21 enum class GCPhase {
22 GC_PHASE_IDLE, // GC waits for trigger event
23 GC_PHASE_RUNNING,
24 GC_PHASE_COLLECT_ROOTS,
25 GC_PHASE_INITIAL_MARK,
26 GC_PHASE_MARK,
27 GC_PHASE_MARK_YOUNG,
28 GC_PHASE_REMARK,
29 GC_PHASE_COLLECT_YOUNG_AND_MOVE,
30 GC_PHASE_SWEEP_STRING_TABLE,
31 GC_PHASE_SWEEP_STRING_TABLE_YOUNG,
32 GC_PHASE_SWEEP,
33 GC_PHASE_CLEANUP,
34 GC_PHASE_LAST
35 };
36
ToIndex(GCPhase phase)37 constexpr size_t ToIndex(GCPhase phase)
38 {
39 return static_cast<size_t>(phase);
40 }
41
ToGCPhase(uint8_t index)42 constexpr GCPhase ToGCPhase(uint8_t index)
43 {
44 return static_cast<GCPhase>(index);
45 }
46
IsMarking(GCPhase phase)47 constexpr bool IsMarking(GCPhase phase)
48 {
49 return phase == GCPhase::GC_PHASE_MARK_YOUNG || phase == GCPhase::GC_PHASE_MARK ||
50 phase == GCPhase::GC_PHASE_INITIAL_MARK || phase == GCPhase::GC_PHASE_REMARK;
51 }
52
53 } // namespace panda::mem
54
55 #endif // PANDA_RUNTIME_MEM_GC_GC_PHASE_H_
56