contrib/llvm/tools/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.h

   1 //===-- RegisterContextPOSIX_arm64.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 liblldb_RegisterContextPOSIX_arm64_H_
  11 #define liblldb_RegisterContextPOSIX_arm64_H_
  12
  13 #include "lldb/Core/Log.h"
  14 #include "lldb-arm64-register-enums.h"
  15 #include "RegisterContextPOSIX.h"
  16
  17 class ProcessMonitor;
  18
  19 class RegisterContextPOSIX_arm64
  20   : public lldb_private::RegisterContext
  21 {
  22 public:
  23     RegisterContextPOSIX_arm64 (lldb_private::Thread &thread,
  24                             uint32_t concrete_frame_idx,
  25                             lldb_private::RegisterInfoInterface *register_info);
  26
  27     ~RegisterContextPOSIX_arm64();
  28
  29     void
  30     Invalidate();
  31
  32     void
  33     InvalidateAllRegisters();
  34
  35     size_t
  36     GetRegisterCount();
  37
  38     virtual size_t
  39     GetGPRSize();
  40
  41     virtual unsigned
  42     GetRegisterSize(unsigned reg);
  43
  44     virtual unsigned
  45     GetRegisterOffset(unsigned reg);
  46
  47     const lldb_private::RegisterInfo *
  48     GetRegisterInfoAtIndex(size_t reg);
  49
  50     size_t
  51     GetRegisterSetCount();
  52
  53     const lldb_private::RegisterSet *
  54     GetRegisterSet(size_t set);
  55
  56     const char *
  57     GetRegisterName(unsigned reg);
  58
  59     uint32_t
  60     ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, uint32_t num);
  61
  62 protected:
  63     struct RegInfo
  64     {
  65         uint32_t num_registers;
  66         uint32_t num_gpr_registers;
  67         uint32_t num_fpr_registers;
  68
  69         uint32_t last_gpr;
  70         uint32_t first_fpr;
  71         uint32_t last_fpr;
  72
  73         uint32_t first_fpr_v;
  74         uint32_t last_fpr_v;
  75
  76         uint32_t gpr_flags;
  77     };
  78
  79     // based on RegisterContextDarwin_arm64.h
  80     struct VReg
  81     {
  82         uint8_t bytes[16];
  83     };
  84
  85     // based on RegisterContextDarwin_arm64.h
  86     struct FPU
  87     {
  88         VReg        v[32];
  89         uint32_t    fpsr;
  90         uint32_t    fpcr;
  91     };
  92
  93     uint64_t m_gpr_arm64[lldb_private::k_num_gpr_registers_arm64];           // 64-bit general purpose registers.
  94     RegInfo  m_reg_info;
  95     struct RegisterContextPOSIX_arm64::FPU m_fpr;                            // floating-point registers including extended register sets.
  96     std::unique_ptr<lldb_private::RegisterInfoInterface> m_register_info_ap; // Register Info Interface (FreeBSD or Linux)
  97
  98     // Determines if an extended register set is supported on the processor running the inferior process.
  99     virtual bool
 100     IsRegisterSetAvailable(size_t set_index);
 101
 102     virtual const lldb_private::RegisterInfo *
 103     GetRegisterInfo();
 104
 105     bool
 106     IsGPR(unsigned reg);
 107
 108     bool
 109     IsFPR(unsigned reg);
 110
 111     lldb::ByteOrder GetByteOrder();
 112
 113     virtual bool ReadGPR() = 0;
 114     virtual bool ReadFPR() = 0;
 115     virtual bool WriteGPR() = 0;
 116     virtual bool WriteFPR() = 0;
 117 };
 118
 119 #endif // #ifndef liblldb_RegisterContextPOSIX_arm64_H_