1 /**
2 * Copyright (c) 2021-2024 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 ark::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,
30 GC_PHASE_CLEANUP,
31 GC_PHASE_LAST
32 };
33
ToIndex(GCPhase phase)34 constexpr size_t ToIndex(GCPhase phase)
35 {
36 return static_cast<size_t>(phase);
37 }
38
ToGCPhase(uint8_t index)39 constexpr GCPhase ToGCPhase(uint8_t index)
40 {
41 return static_cast<GCPhase>(index);
42 }
43
IsMarking(GCPhase phase)44 constexpr bool IsMarking(GCPhase phase)
45 {
46 return phase == GCPhase::GC_PHASE_MARK_YOUNG || phase == GCPhase::GC_PHASE_MARK ||
47 phase == GCPhase::GC_PHASE_INITIAL_MARK || phase == GCPhase::GC_PHASE_REMARK;
48 }
49
50 } // namespace ark::mem
51
52 #endif // PANDA_RUNTIME_MEM_GC_GC_PHASE_H
53