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1//===-- RegisterContextHistory.h ----------------------------------------*- C++2//-*-===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTHISTORY_H11#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTHISTORY_H12 13#include <vector>14 15#include "lldb/Symbol/SymbolContext.h"16#include "lldb/Target/RegisterContext.h"17#include "lldb/lldb-private.h"18 19namespace lldb_private {20 21class RegisterContextHistory : public lldb_private::RegisterContext {22public:23 typedef std::shared_ptr<RegisterContextHistory> SharedPtr;24 25 RegisterContextHistory(Thread &thread, uint32_t concrete_frame_idx,26 uint32_t address_byte_size, lldb::addr_t pc_value);27 28 ~RegisterContextHistory() override;29 30 void InvalidateAllRegisters() override;31 32 size_t GetRegisterCount() override;33 34 const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;35 36 size_t GetRegisterSetCount() override;37 38 const lldb_private::RegisterSet *GetRegisterSet(size_t reg_set) override;39 40 bool ReadRegister(const lldb_private::RegisterInfo *reg_info,41 lldb_private::RegisterValue &value) override;42 43 bool WriteRegister(const lldb_private::RegisterInfo *reg_info,44 const lldb_private::RegisterValue &value) override;45 46 bool ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;47 48 bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;49 50 uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,51 uint32_t num) override;52 53private:54 // For RegisterContextLLDB only55 56 lldb_private::RegisterSet m_reg_set0; // register set 0 (PC only)57 lldb_private::RegisterInfo m_pc_reg_info;58 59 lldb::addr_t m_pc_value;60 61 RegisterContextHistory(const RegisterContextHistory &) = delete;62 const RegisterContextHistory &63 operator=(const RegisterContextHistory &) = delete;64};65} // namespace lldb_private66 67#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTHISTORY_H68