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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* Copyright (C) 2017 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 ART_LIBDEXFILE_DEX_DEX_FILE_TRACKING_REGISTRAR_H_
#define ART_LIBDEXFILE_DEX_DEX_FILE_TRACKING_REGISTRAR_H_
#include <deque>
#include <tuple>
#include "dex_file.h"
namespace art {
namespace dex {
namespace tracking {
// Class for (un)poisoning various sections of Dex Files
//
// This class provides the means to log accesses only of sections whose
// accesses are needed. All accesses are displayed as stack traces in
// logcat.
class DexFileTrackingRegistrar {
public:
explicit DexFileTrackingRegistrar(const DexFile* const dex_file)
: dex_file_(dex_file) {
}
// This function is where the functions below it are called to actually
// poison sections.
void SetDexSections();
// Uses data contained inside range_values_ to poison memory through the
// memory tool.
void SetCurrentRanges();
private:
void SetDexFileRegistration(bool should_poison);
// Set of functions concerning Code Items of dex_file_
void SetAllCodeItemRegistration(bool should_poison);
// Sets the insns_ section of all code items.
void SetAllInsnsRegistration(bool should_poison);
// This function finds the code item of a class based on class name.
void SetCodeItemRegistration(const char* class_name, bool should_poison);
// Sets the size and offset information along with first instruction in insns_
// section of all code items.
void SetAllCodeItemStartRegistration(bool should_poison);
// Set of functions concerning String Data Items of dex_file_
void SetAllStringDataRegistration(bool should_poison);
// Sets the first byte of size value and data section of all string data
// items.
void SetAllStringDataStartRegistration(bool should_poison);
// Contains tuples of all ranges of memory that need to be explicitly
// (un)poisoned by the memory tool.
std::deque<std::tuple<const void *, size_t, bool>> range_values_;
const DexFile* const dex_file_;
};
// This function is meant to called externally to use DexfileTrackingRegistrar
void RegisterDexFile(const DexFile* dex_file);
} // namespace tracking
} // namespace dex
} // namespace art
#endif // ART_LIBDEXFILE_DEX_DEX_FILE_TRACKING_REGISTRAR_H_
|
