contrib/llvm/tools/lldb/source/Plugins/Instruction/ARM/EmulationStateARM.h

   1 //===-- lldb_EmulationStateARM.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_EmulationStateARM_h_
  11 #define lldb_EmulationStateARM_h_
  12
  13 #include <map>
  14
  15 #include "lldb/Core/EmulateInstruction.h"
  16 #include "lldb/Core/Opcode.h"
  17
  18 class EmulationStateARM {
  19 public:
  20   EmulationStateARM();
  21
  22   virtual ~EmulationStateARM();
  23
  24   bool StorePseudoRegisterValue(uint32_t reg_num, uint64_t value);
  25
  26   uint64_t ReadPseudoRegisterValue(uint32_t reg_num, bool &success);
  27
  28   bool StoreToPseudoAddress(lldb::addr_t p_address, uint32_t value);
  29
  30   uint32_t ReadFromPseudoAddress(lldb::addr_t p_address, bool &success);
  31
  32   void ClearPseudoRegisters();
  33
  34   void ClearPseudoMemory();
  35
  36   bool LoadPseudoRegistersFromFrame(lldb_private::StackFrame &frame);
  37
  38   bool LoadStateFromDictionary(lldb_private::OptionValueDictionary *test_data);
  39
  40   bool CompareState(EmulationStateARM &other_state);
  41
  42   static size_t
  43   ReadPseudoMemory(lldb_private::EmulateInstruction *instruction, void *baton,
  44                    const lldb_private::EmulateInstruction::Context &context,
  45                    lldb::addr_t addr, void *dst, size_t length);
  46
  47   static size_t
  48   WritePseudoMemory(lldb_private::EmulateInstruction *instruction, void *baton,
  49                     const lldb_private::EmulateInstruction::Context &context,
  50                     lldb::addr_t addr, const void *dst, size_t length);
  51
  52   static bool ReadPseudoRegister(lldb_private::EmulateInstruction *instruction,
  53                                  void *baton,
  54                                  const lldb_private::RegisterInfo *reg_info,
  55                                  lldb_private::RegisterValue &reg_value);
  56
  57   static bool
  58   WritePseudoRegister(lldb_private::EmulateInstruction *instruction,
  59                       void *baton,
  60                       const lldb_private::EmulateInstruction::Context &context,
  61                       const lldb_private::RegisterInfo *reg_info,
  62                       const lldb_private::RegisterValue &reg_value);
  63
  64 private:
  65   uint32_t m_gpr[17];
  66   struct _sd_regs {
  67     uint32_t s_regs[32]; // sregs 0 - 31 & dregs 0 - 15
  68
  69     uint64_t d_regs[16]; // dregs 16-31
  70
  71   } m_vfp_regs;
  72
  73   std::map<lldb::addr_t, uint32_t> m_memory; // Eventually will want to change
  74                                              // uint32_t to a data buffer heap
  75                                              // type.
  76
  77   DISALLOW_COPY_AND_ASSIGN(EmulationStateARM);
  78 };
  79
  80 #endif // lldb_EmulationStateARM_h_