1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SIMPLE_PERF_READ_ELF_H_
#define SIMPLE_PERF_READ_ELF_H_
#include <functional>
#include <string>
#include "build_id.h"
bool GetBuildIdFromNoteFile(const std::string& filename, BuildId* build_id);
bool GetBuildIdFromElfFile(const std::string& filename, BuildId* build_id);
bool GetBuildIdFromEmbeddedElfFile(const std::string& filename, uint64_t file_offset,
uint32_t file_size, BuildId* build_id);
// The symbol prefix used to indicate that the symbol belongs to android linker.
static const std::string linker_prefix = "__dl_";
struct ElfFileSymbol {
uint64_t vaddr;
uint64_t len;
bool is_func;
bool is_label;
bool is_in_text_section;
std::string name;
ElfFileSymbol() : vaddr(0), len(0), is_func(false), is_label(false), is_in_text_section(false) {
}
};
bool ParseSymbolsFromElfFile(const std::string& filename, const BuildId& expected_build_id,
std::function<void(const ElfFileSymbol&)> callback);
bool ParseSymbolsFromEmbeddedElfFile(const std::string& filename, uint64_t file_offset,
uint32_t file_size, const BuildId& expected_build_id,
std::function<void(const ElfFileSymbol&)> callback);
bool ReadMinExecutableVirtualAddressFromElfFile(const std::string& filename,
const BuildId& expected_build_id,
uint64_t* min_addr);
// Expose the following functions for unit tests.
bool IsArmMappingSymbol(const char* name);
bool IsValidElfFile(int fd);
bool IsValidElfPath(const std::string& filename);
#endif // SIMPLE_PERF_READ_ELF_H_
|
