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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*
* 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.
*/
#pragma once
#include <stdint.h>
#include <deque>
#include <memory>
#include <string>
#include <unordered_map>
#include <unwindstack/Elf.h>
#include <unwindstack/ElfInterface.h>
#include <unwindstack/Memory.h>
#include <unwindstack/Regs.h>
#include <unwindstack/SharedString.h>
#include "ElfInterfaceArm.h"
namespace unwindstack {
struct StepData {
StepData(uint64_t pc, uint64_t sp, bool finished) : pc(pc), sp(sp), finished(finished) {}
uint64_t pc;
uint64_t sp;
bool finished;
};
struct FunctionData {
FunctionData(std::string name, uint64_t offset) : name(name), offset(offset) {}
std::string name;
uint64_t offset;
};
class ElfFake : public Elf {
public:
ElfFake(std::shared_ptr<Memory>& memory) : Elf(memory) { valid_ = true; }
virtual ~ElfFake() = default;
void FakeSetValid(bool valid) { valid_ = valid; }
void FakeSetLoadBias(uint64_t load_bias) { load_bias_ = load_bias; }
void FakeSetArch(ArchEnum arch) { arch_ = arch; }
void FakeSetInterface(ElfInterface* interface) { interface_.reset(interface); }
void FakeSetGnuDebugdataInterface(ElfInterface* interface) {
gnu_debugdata_interface_.reset(interface);
}
};
class ElfInterfaceFake : public ElfInterface {
public:
ElfInterfaceFake(std::shared_ptr<Memory>& memory) : ElfInterface(memory) {}
virtual ~ElfInterfaceFake() = default;
bool Init(int64_t*) override { return false; }
void InitHeaders() override {}
std::string GetSoname() override { return fake_soname_; }
bool GetFunctionName(uint64_t, SharedString*, uint64_t*) override;
bool GetGlobalVariable(const std::string&, uint64_t*) override;
std::string GetBuildID() override { return fake_build_id_; }
bool Step(uint64_t, Regs*, Memory*, bool*, bool*) override;
void FakeSetGlobalVariable(const std::string& global, uint64_t offset) {
globals_[global] = offset;
}
void FakeSetBuildID(std::string& build_id) { fake_build_id_ = build_id; }
void FakeSetBuildID(const char* build_id) { fake_build_id_ = build_id; }
void FakeSetSoname(const char* soname) { fake_soname_ = soname; }
static void FakePushFunctionData(const FunctionData data) { functions_.push_back(data); }
static void FakePushStepData(const StepData data) { steps_.push_back(data); }
static void FakeClear() {
functions_.clear();
steps_.clear();
}
void FakeSetErrorCode(ErrorCode code) { last_error_.code = code; }
void FakeSetErrorAddress(uint64_t address) { last_error_.address = address; }
void FakeSetDataOffset(uint64_t offset) { data_offset_ = offset; }
void FakeSetDataVaddrStart(uint64_t vaddr) { data_vaddr_start_ = vaddr; }
void FakeSetDataVaddrEnd(uint64_t vaddr) { data_vaddr_end_ = vaddr; }
void FakeSetDynamicOffset(uint64_t offset) { dynamic_offset_ = offset; }
void FakeSetDynamicVaddrStart(uint64_t vaddr) { dynamic_vaddr_start_ = vaddr; }
void FakeSetDynamicVaddrEnd(uint64_t vaddr) { dynamic_vaddr_end_ = vaddr; }
void FakeSetGnuDebugdataOffset(uint64_t offset) { gnu_debugdata_offset_ = offset; }
void FakeSetGnuDebugdataSize(uint64_t size) { gnu_debugdata_size_ = size; }
private:
std::unordered_map<std::string, uint64_t> globals_;
std::string fake_build_id_;
std::string fake_soname_;
static std::deque<FunctionData> functions_;
static std::deque<StepData> steps_;
};
class ElfInterface32Fake : public ElfInterface32 {
public:
ElfInterface32Fake(std::shared_ptr<Memory>& memory) : ElfInterface32(memory) {}
virtual ~ElfInterface32Fake() = default;
void FakeSetEhFrameInfo(const SectionInfo& info) { eh_frame_info_ = info; }
void FakeSetEhFrameHdrInfo(const SectionInfo& info) { eh_frame_hdr_info_ = info; }
void FakeSetDebugFrameInfo(const SectionInfo& info) { debug_frame_info_ = info; }
};
class ElfInterface64Fake : public ElfInterface64 {
public:
ElfInterface64Fake(std::shared_ptr<Memory>& memory) : ElfInterface64(memory) {}
virtual ~ElfInterface64Fake() = default;
void FakeSetEhFrameInfo(const SectionInfo& info) { eh_frame_info_ = info; }
void FakeSetEhFrameHdrInfo(const SectionInfo& info) { eh_frame_hdr_info_ = info; }
void FakeSetDebugFrameInfo(const SectionInfo& info) { debug_frame_info_ = info; }
};
class ElfInterfaceArmFake : public ElfInterfaceArm {
public:
ElfInterfaceArmFake(std::shared_ptr<Memory>& memory) : ElfInterfaceArm(memory) {}
virtual ~ElfInterfaceArmFake() = default;
void FakeSetStartOffset(uint64_t offset) { start_offset_ = offset; }
void FakeSetTotalEntries(size_t entries) { total_entries_ = entries; }
};
} // namespace unwindstack
|
