contrib/llvm/tools/lldb/source/Plugins/Process/Utility/DynamicRegisterInfo.h

   1 //===-- DynamicRegisterInfo.h -----------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef lldb_DynamicRegisterInfo_h_
  11 #define lldb_DynamicRegisterInfo_h_
  12
  13 #include <map>
  14 #include <vector>
  15
  16 #include "lldb/Utility/ConstString.h"
  17 #include "lldb/Utility/StructuredData.h"
  18 #include "lldb/lldb-private.h"
  19
  20 class DynamicRegisterInfo {
  21 public:
  22   DynamicRegisterInfo() = default;
  23
  24   DynamicRegisterInfo(const lldb_private::StructuredData::Dictionary &dict,
  25                       const lldb_private::ArchSpec &arch);
  26
  27   virtual ~DynamicRegisterInfo() = default;
  28
  29   DynamicRegisterInfo(DynamicRegisterInfo &) = delete;
  30   void operator=(DynamicRegisterInfo &) = delete;
  31
  32   DynamicRegisterInfo(DynamicRegisterInfo &&info);
  33   DynamicRegisterInfo &operator=(DynamicRegisterInfo &&info);
  34
  35   size_t SetRegisterInfo(const lldb_private::StructuredData::Dictionary &dict,
  36                          const lldb_private::ArchSpec &arch);
  37
  38   void AddRegister(lldb_private::RegisterInfo &reg_info,
  39                    lldb_private::ConstString &reg_name,
  40                    lldb_private::ConstString &reg_alt_name,
  41                    lldb_private::ConstString &set_name);
  42
  43   void Finalize(const lldb_private::ArchSpec &arch);
  44
  45   size_t GetNumRegisters() const;
  46
  47   size_t GetNumRegisterSets() const;
  48
  49   size_t GetRegisterDataByteSize() const;
  50
  51   const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(uint32_t i) const;
  52
  53   lldb_private::RegisterInfo *GetRegisterInfoAtIndex(uint32_t i);
  54
  55   const lldb_private::RegisterSet *GetRegisterSet(uint32_t i) const;
  56
  57   uint32_t GetRegisterSetIndexByName(lldb_private::ConstString &set_name,
  58                                      bool can_create);
  59
  60   uint32_t ConvertRegisterKindToRegisterNumber(uint32_t kind,
  61                                                uint32_t num) const;
  62
  63   void Dump() const;
  64
  65   void Clear();
  66
  67 protected:
  68   //------------------------------------------------------------------
  69   // Classes that inherit from DynamicRegisterInfo can see and modify these
  70   //------------------------------------------------------------------
  71   typedef std::vector<lldb_private::RegisterInfo> reg_collection;
  72   typedef std::vector<lldb_private::RegisterSet> set_collection;
  73   typedef std::vector<uint32_t> reg_num_collection;
  74   typedef std::vector<reg_num_collection> set_reg_num_collection;
  75   typedef std::vector<lldb_private::ConstString> name_collection;
  76   typedef std::map<uint32_t, reg_num_collection> reg_to_regs_map;
  77   typedef std::vector<uint8_t> dwarf_opcode;
  78   typedef std::map<uint32_t, dwarf_opcode> dynamic_reg_size_map;
  79
  80   const lldb_private::RegisterInfo *
  81   GetRegisterInfo(const lldb_private::ConstString &reg_name) const;
  82
  83   void MoveFrom(DynamicRegisterInfo &&info);
  84
  85   reg_collection m_regs;
  86   set_collection m_sets;
  87   set_reg_num_collection m_set_reg_nums;
  88   name_collection m_set_names;
  89   reg_to_regs_map m_value_regs_map;
  90   reg_to_regs_map m_invalidate_regs_map;
  91   dynamic_reg_size_map m_dynamic_reg_size_map;
  92   size_t m_reg_data_byte_size = 0u; // The number of bytes required to store
  93                                     // all registers
  94   bool m_finalized = false;
  95 };
  96 #endif // lldb_DynamicRegisterInfo_h_