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
16 #ifndef LIBPANDABASE_MEM_SPACE_H
17 #define LIBPANDABASE_MEM_SPACE_H
18
19 #include "utils/type_helpers.h"
20
21 namespace panda {
22
23 /**
24 * SpaceType and GCCollectMode provide info when we should collect from some allocator or not
25 */
26 enum class SpaceType : size_t {
27 SPACE_TYPE_UNDEFINED = 0,
28 SPACE_TYPE_OBJECT, // Space for objects (all non-humongous sizes)
29 SPACE_TYPE_HUMONGOUS_OBJECT, // Space for humongous objects
30 SPACE_TYPE_NON_MOVABLE_OBJECT, // Space for non-movable objects
31 SPACE_TYPE_INTERNAL, // Space for runtime internal needs
32 SPACE_TYPE_CODE, // Space for compiled code
33 SPACE_TYPE_COMPILER, // Space for memory allocation in compiler
34
35 SPACE_TYPE_LAST // Count of different types
36 };
37
ToSpaceType(size_t index)38 constexpr SpaceType ToSpaceType(size_t index)
39 {
40 return static_cast<SpaceType>(index);
41 }
42
43 constexpr size_t SPACE_TYPE_SIZE = helpers::ToUnderlying(SpaceType::SPACE_TYPE_LAST);
44
IsHeapSpace(SpaceType space_type)45 constexpr bool IsHeapSpace(SpaceType space_type)
46 {
47 return (space_type == SpaceType::SPACE_TYPE_OBJECT) || (space_type == SpaceType::SPACE_TYPE_HUMONGOUS_OBJECT) ||
48 (space_type == SpaceType::SPACE_TYPE_NON_MOVABLE_OBJECT);
49 }
50
SpaceTypeToString(SpaceType type)51 inline const char *SpaceTypeToString(SpaceType type)
52 {
53 switch (type) {
54 case SpaceType::SPACE_TYPE_UNDEFINED:
55 return "ark-Undefined Space";
56 case SpaceType::SPACE_TYPE_OBJECT:
57 return "ark-Object Space";
58 case SpaceType::SPACE_TYPE_HUMONGOUS_OBJECT:
59 return "ark-Humongous Object Space";
60 case SpaceType::SPACE_TYPE_NON_MOVABLE_OBJECT:
61 return "ark-Non Movable Space";
62 case SpaceType::SPACE_TYPE_INTERNAL:
63 return "ark-Internal Space";
64 case SpaceType::SPACE_TYPE_CODE:
65 return "ark-Code Space";
66 case SpaceType::SPACE_TYPE_COMPILER:
67 return "ark-Compiler Space";
68 default:
69 return "ark-Unknown Space";
70 }
71 }
72
73 } // namespace panda
74
75 #endif // LIBPANDABASE_MEM_SPACE_H
76