1 /*
2  * Copyright (c) 2023 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 DFX_INSTR_STATISTIC_H
16 #define DFX_INSTR_STATISTIC_H
17 
18 #include <cstdint>
19 #include <string>
20 #include <unordered_map>
21 #include <vector>
22 
23 #ifdef INSTR_STATISTIC_ENABLE
24 #define INSTR_STATISTIC_ELF(elf) \
25     OHOS::HiviewDFX::DfxInstrStatistic::GetInstance().SetCurrentStatLib(elf)
26 #define INSTR_STATISTIC(Type, Arg1, Arg2) \
27     OHOS::HiviewDFX::DfxInstrStatistic::GetInstance().AddInstrStatistic(Type, (uint64_t)Arg1, (uint64_t)Arg2)
28 #else
29 #define INSTR_STATISTIC_ELF(elf)
30 #define INSTR_STATISTIC(Type, Arg1, Arg2)
31 #endif
32 
33 namespace OHOS {
34 namespace HiviewDFX {
35 enum InstrStatisticType : uint32_t {
36     InstructionEntriesArmExidx = 0,
37     InstructionEntriesEhFrame,
38     InstructionEntriesDebugFrame,
39 
40     UnsupportedArmExidx = 10,
41     UnsupportedDwarfOp_Reg,
42     UnsupportedDwarfOp_Regx,
43     UnsupportedDwarfOp_Breg,
44     UnsupportedDwarfOp_Bregx,
45     UnsupportedDwCfaOffset,
46     UnsupportedDwCfaValOffset,
47     UnsupportedDwCfaRegister,
48     UnsupportedDwCfaExpr,
49     UnsupportedDwCfaValExpr,
50     UnsupportedDwCfaRestore,
51     UnsupportedDwCfaUndefined,
52     UnsupportedDwCfaSame,
53     UnsupportedDefCfa,
54 };
55 
56 class DfxInstrStatistic {
57 public:
58     typedef std::unordered_map<uint32_t, std::shared_ptr<std::vector<std::pair<uint64_t, uint64_t>>>> STAT_INFO_MAP;
59     static DfxInstrStatistic &GetInstance();
~DfxInstrStatistic()60     virtual ~DfxInstrStatistic() { statisticInfo_.clear(); }
61 
62     void SetCurrentStatLib(const std::string soName);
63     void AddInstrStatistic(InstrStatisticType type, uint64_t val, uint64_t err);
64     void DumpInstrStatResult(std::vector<std::pair<uint32_t, uint32_t>> &result);
65 private:
66     DfxInstrStatistic() = default;
67     std::string soName_;
68     STAT_INFO_MAP statisticInfo_;
69 };
70 } // namespace HiviewDFX
71 } // namespace OHOS
72 #endif