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-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTHISTORY_H 11 #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTHISTORY_H 12 13 #include <vector> 14 15 #include "lldb/Symbol/SymbolContext.h" 16 #include "lldb/Target/RegisterContext.h" 17 #include "lldb/lldb-private.h" 18 19 namespace lldb_private { 20 21 class RegisterContextHistory : public lldb_private::RegisterContext { 22 public: 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 53 private: 54 // For RegisterContextLLDB only 55 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_private 66 67 #endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTHISTORY_H 68