1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef SRC_PROFILING_SYMBOLIZER_SYMBOLIZER_H_
18 #define SRC_PROFILING_SYMBOLIZER_SYMBOLIZER_H_
19 
20 #include <map>
21 #include <string>
22 #include <vector>
23 
24 namespace perfetto {
25 namespace profiling {
26 
27 struct SymbolizedFrame {
28   std::string function_name;
29   std::string file_name;
30   uint32_t line;
31 };
32 
33 class Symbolizer {
34  public:
35   // For each address in the input vector, output a vector of SymbolizedFrame
36   // representing the functions corresponding to that address. When inlining
37   // occurs, this can be more than one function for a single address.
38   //
39   // On failure, return an empty vector.
40   virtual std::vector<std::vector<SymbolizedFrame>> Symbolize(
41       const std::string& mapping_name,
42       const std::string& build_id,
43       uint64_t load_bias,
44       const std::vector<uint64_t>& address) = 0;
45   virtual ~Symbolizer();
46 };
47 
48 }  // namespace profiling
49 }  // namespace perfetto
50 
51 #endif  // SRC_PROFILING_SYMBOLIZER_SYMBOLIZER_H_
52