| /* |
| * 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 _LIBUNWINDSTACK_JIT_DEBUG_H |
| #define _LIBUNWINDSTACK_JIT_DEBUG_H |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <mutex> |
| #include <string> |
| #include <vector> |
| |
| #include <unwindstack/Global.h> |
| #include <unwindstack/Memory.h> |
| |
| namespace unwindstack { |
| |
| // Forward declarations. |
| class Elf; |
| class Maps; |
| enum ArchEnum : uint8_t; |
| |
| class JitDebug : public Global { |
| public: |
| explicit JitDebug(std::shared_ptr<Memory>& memory); |
| JitDebug(std::shared_ptr<Memory>& memory, std::vector<std::string>& search_libs); |
| ~JitDebug(); |
| |
| Elf* GetElf(Maps* maps, uint64_t pc); |
| |
| private: |
| void Init(Maps* maps); |
| |
| uint64_t (JitDebug::*read_descriptor_func_)(uint64_t) = nullptr; |
| uint64_t (JitDebug::*read_entry_func_)(uint64_t*, uint64_t*) = nullptr; |
| |
| uint64_t ReadDescriptor32(uint64_t); |
| uint64_t ReadDescriptor64(uint64_t); |
| |
| uint64_t ReadEntry32Pack(uint64_t* start, uint64_t* size); |
| uint64_t ReadEntry32Pad(uint64_t* start, uint64_t* size); |
| uint64_t ReadEntry64(uint64_t* start, uint64_t* size); |
| |
| bool ReadVariableData(uint64_t ptr_offset) override; |
| |
| void ProcessArch() override; |
| |
| uint64_t entry_addr_ = 0; |
| bool initialized_ = false; |
| std::vector<Elf*> elf_list_; |
| |
| std::mutex lock_; |
| }; |
| |
| } // namespace unwindstack |
| |
| #endif // _LIBUNWINDSTACK_JIT_DEBUG_H |