| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include "src/developer/debug/zxdb/symbols/symbol_data_provider.h" |
| |
| namespace zxdb { |
| |
| class Process; |
| |
| // Implementation of SymbolDataProvider that links it to a process. It |
| // provides access to process memory but reports errors for all attempts to |
| // access frame-related information such as registers. For that, see |
| // FrameSymbolDataProvider. |
| class ProcessSymbolDataProvider : public SymbolDataProvider { |
| public: |
| // Called by the process when it's being destroyed. This will remove the |
| // back-pointer to the process and all future requests for data will fail. |
| // |
| // This is necessary because this class is reference counted and may outlive |
| // the process due to in-progress operations. |
| virtual void Disown(); |
| |
| // SymbolDataProvider overrides: |
| debug_ipc::Arch GetArch() override; |
| void GetMemoryAsync(uint64_t address, uint32_t size, |
| GetMemoryCallback callback) override; |
| void WriteMemory(uint64_t address, std::vector<uint8_t> data, |
| std::function<void(const Err&)> cb) override; |
| |
| protected: |
| FRIEND_MAKE_REF_COUNTED(ProcessSymbolDataProvider); |
| FRIEND_REF_COUNTED_THREAD_SAFE(ProcessSymbolDataProvider); |
| |
| explicit ProcessSymbolDataProvider(Process* process); |
| ~ProcessSymbolDataProvider() override; |
| |
| private: |
| // The associated process, possibly null if it has been disowned. |
| Process* process_; |
| debug_ipc::Arch arch_; |
| }; |
| |
| } // namespace zxdb |