1 //===-- RegisterNumber.h ----------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLDB_TARGET_REGISTERNUMBER_H 10 #define LLDB_TARGET_REGISTERNUMBER_H 11 12 #include "lldb/lldb-private.h" 13 #include <map> 14 15 /// A class to represent register numbers, and able to convert between 16 /// different register numbering schemes that may be used in a single 17 /// debug session. 18 19 class RegisterNumber { 20 public: 21 RegisterNumber(lldb_private::Thread &thread, lldb::RegisterKind kind, 22 uint32_t num); 23 24 // This constructor plus the init() method below allow for the placeholder 25 // creation of an invalid object initially, possibly to be filled in. It 26 // would be more consistent to have three Set* methods to set the three data 27 // that the object needs. 28 RegisterNumber(); 29 30 void init(lldb_private::Thread &thread, lldb::RegisterKind kind, 31 uint32_t num); 32 33 const RegisterNumber &operator=(const RegisterNumber &rhs); 34 35 bool operator==(RegisterNumber &rhs); 36 37 bool operator!=(RegisterNumber &rhs); 38 39 bool IsValid() const; 40 41 uint32_t GetAsKind(lldb::RegisterKind kind); 42 43 uint32_t GetRegisterNumber() const; 44 45 lldb::RegisterKind GetRegisterKind() const; 46 47 const char *GetName(); 48 49 private: 50 typedef std::map<lldb::RegisterKind, uint32_t> Collection; 51 52 lldb::RegisterContextSP m_reg_ctx_sp; 53 uint32_t m_regnum = LLDB_INVALID_REGNUM; 54 lldb::RegisterKind m_kind = lldb::kNumRegisterKinds; 55 Collection m_kind_regnum_map; 56 const char *m_name = nullptr; 57 }; 58 59 #endif // LLDB_TARGET_REGISTERNUMBER_H 60