| /* |
| * Copyright (C) 2016 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 _LIBUNWINDSTACK_TESTS_MEMORY_FAKE_H |
| #define _LIBUNWINDSTACK_TESTS_MEMORY_FAKE_H |
| |
| #include <stdint.h> |
| |
| #include <string> |
| #include <vector> |
| #include <unordered_map> |
| |
| #include "Memory.h" |
| |
| class MemoryFake : public Memory { |
| public: |
| MemoryFake() = default; |
| virtual ~MemoryFake() = default; |
| |
| bool Read(uint64_t addr, void* buffer, size_t size) override; |
| |
| void SetMemory(uint64_t addr, const void* memory, size_t length); |
| |
| void SetData8(uint64_t addr, uint8_t value) { |
| SetMemory(addr, &value, sizeof(value)); |
| } |
| |
| void SetData16(uint64_t addr, uint16_t value) { |
| SetMemory(addr, &value, sizeof(value)); |
| } |
| |
| void SetData32(uint64_t addr, uint32_t value) { |
| SetMemory(addr, &value, sizeof(value)); |
| } |
| |
| void SetData64(uint64_t addr, uint64_t value) { |
| SetMemory(addr, &value, sizeof(value)); |
| } |
| |
| void SetMemory(uint64_t addr, std::vector<uint8_t> values) { |
| SetMemory(addr, values.data(), values.size()); |
| } |
| |
| void SetMemory(uint64_t addr, std::string string) { |
| SetMemory(addr, string.c_str(), string.size() + 1); |
| } |
| |
| void Clear() { data_.clear(); } |
| |
| private: |
| std::unordered_map<uint64_t, uint8_t> data_; |
| }; |
| |
| class MemoryFakeAlwaysReadZero : public Memory { |
| public: |
| MemoryFakeAlwaysReadZero() = default; |
| virtual ~MemoryFakeAlwaysReadZero() = default; |
| |
| bool Read(uint64_t, void* buffer, size_t size) override { |
| memset(buffer, 0, size); |
| return true; |
| } |
| }; |
| |
| class MemoryFakeRemote : public MemoryRemote { |
| public: |
| MemoryFakeRemote() : MemoryRemote(0) {} |
| virtual ~MemoryFakeRemote() = default; |
| |
| protected: |
| bool PtraceRead(uint64_t, long* value) override { |
| *value = 0; |
| return true; |
| } |
| }; |
| |
| #endif // _LIBUNWINDSTACK_TESTS_MEMORY_FAKE_H |