1 /**
2 * Copyright (c) 2021-2022 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 #ifndef PANDA_RUNTIME_MEM_GC_GC_PHASE_H
16 #define PANDA_RUNTIME_MEM_GC_GC_PHASE_H
17
18 namespace panda::mem {
19
20 enum class GCPhase {
21 GC_PHASE_IDLE, // GC waits for trigger event
22 GC_PHASE_RUNNING,
23 GC_PHASE_COLLECT_ROOTS,
24 GC_PHASE_INITIAL_MARK,
25 GC_PHASE_MARK,
26 GC_PHASE_MARK_YOUNG,
27 GC_PHASE_REMARK,
28 GC_PHASE_COLLECT_YOUNG_AND_MOVE,
29 GC_PHASE_SWEEP_STRING_TABLE,
30 GC_PHASE_SWEEP_STRING_TABLE_YOUNG,
31 GC_PHASE_SWEEP,
32 GC_PHASE_CLEANUP,
33 GC_PHASE_LAST
34 };
35
ToIndex(GCPhase phase)36 constexpr size_t ToIndex(GCPhase phase)
37 {
38 return static_cast<size_t>(phase);
39 }
40
ToGCPhase(uint8_t index)41 constexpr GCPhase ToGCPhase(uint8_t index)
42 {
43 return static_cast<GCPhase>(index);
44 }
45
IsMarking(GCPhase phase)46 constexpr bool IsMarking(GCPhase phase)
47 {
48 return phase == GCPhase::GC_PHASE_MARK_YOUNG || phase == GCPhase::GC_PHASE_MARK ||
49 phase == GCPhase::GC_PHASE_INITIAL_MARK || phase == GCPhase::GC_PHASE_REMARK;
50 }
51
52 } // namespace panda::mem
53
54 #endif // PANDA_RUNTIME_MEM_GC_GC_PHASE_H
55