lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.h

   1 //===-- RegisterContextPOSIX_x86.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_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_X86_H
  10 #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_X86_H
  11
  12 #include "RegisterContext_x86.h"
  13 #include "RegisterInfoInterface.h"
  14 #include "RegisterInfos_x86_64_with_base_shared.h"
  15 #include "lldb-x86-register-enums.h"
  16 #include "lldb/Target/RegisterContext.h"
  17 #include "lldb/Utility/Log.h"
  18
  19 class RegisterContextPOSIX_x86 : public lldb_private::RegisterContext {
  20 public:
  21   RegisterContextPOSIX_x86(lldb_private::Thread &thread,
  22                            uint32_t concrete_frame_idx,
  23                            lldb_private::RegisterInfoInterface *register_info);
  24
  25   ~RegisterContextPOSIX_x86() override;
  26
  27   void Invalidate();
  28
  29   void InvalidateAllRegisters() override;
  30
  31   size_t GetRegisterCount() override;
  32
  33   virtual size_t GetGPRSize();
  34
  35   virtual size_t GetFXSAVEOffset();
  36
  37   virtual unsigned GetRegisterSize(unsigned reg);
  38
  39   virtual unsigned GetRegisterOffset(unsigned reg);
  40
  41   const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
  42
  43   size_t GetRegisterSetCount() override;
  44
  45   const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;
  46
  47   const char *GetRegisterName(unsigned reg);
  48
  49   // Note: prefer kernel definitions over user-land
  50   enum FPRType {
  51     eNotValid = 0,
  52     eFSAVE, // TODO
  53     eFXSAVE,
  54     eSOFT, // TODO
  55     eXSAVE
  56   };
  57
  58   static uint32_t g_contained_eax[];
  59   static uint32_t g_contained_ebx[];
  60   static uint32_t g_contained_ecx[];
  61   static uint32_t g_contained_edx[];
  62   static uint32_t g_contained_edi[];
  63   static uint32_t g_contained_esi[];
  64   static uint32_t g_contained_ebp[];
  65   static uint32_t g_contained_esp[];
  66
  67   static uint32_t g_invalidate_eax[];
  68   static uint32_t g_invalidate_ebx[];
  69   static uint32_t g_invalidate_ecx[];
  70   static uint32_t g_invalidate_edx[];
  71   static uint32_t g_invalidate_edi[];
  72   static uint32_t g_invalidate_esi[];
  73   static uint32_t g_invalidate_ebp[];
  74   static uint32_t g_invalidate_esp[];
  75
  76   static uint32_t g_contained_rax[];
  77   static uint32_t g_contained_rbx[];
  78   static uint32_t g_contained_rcx[];
  79   static uint32_t g_contained_rdx[];
  80   static uint32_t g_contained_rdi[];
  81   static uint32_t g_contained_rsi[];
  82   static uint32_t g_contained_rbp[];
  83   static uint32_t g_contained_rsp[];
  84   static uint32_t g_contained_r8[];
  85   static uint32_t g_contained_r9[];
  86   static uint32_t g_contained_r10[];
  87   static uint32_t g_contained_r11[];
  88   static uint32_t g_contained_r12[];
  89   static uint32_t g_contained_r13[];
  90   static uint32_t g_contained_r14[];
  91   static uint32_t g_contained_r15[];
  92
  93   static uint32_t g_invalidate_rax[];
  94   static uint32_t g_invalidate_rbx[];
  95   static uint32_t g_invalidate_rcx[];
  96   static uint32_t g_invalidate_rdx[];
  97   static uint32_t g_invalidate_rdi[];
  98   static uint32_t g_invalidate_rsi[];
  99   static uint32_t g_invalidate_rbp[];
 100   static uint32_t g_invalidate_rsp[];
 101   static uint32_t g_invalidate_r8[];
 102   static uint32_t g_invalidate_r9[];
 103   static uint32_t g_invalidate_r10[];
 104   static uint32_t g_invalidate_r11[];
 105   static uint32_t g_invalidate_r12[];
 106   static uint32_t g_invalidate_r13[];
 107   static uint32_t g_invalidate_r14[];
 108   static uint32_t g_invalidate_r15[];
 109
 110   static uint32_t g_contained_fip[];
 111   static uint32_t g_contained_fdp[];
 112
 113   static uint32_t g_invalidate_fip[];
 114   static uint32_t g_invalidate_fdp[];
 115
 116   static uint32_t g_contained_st0_32[];
 117   static uint32_t g_contained_st1_32[];
 118   static uint32_t g_contained_st2_32[];
 119   static uint32_t g_contained_st3_32[];
 120   static uint32_t g_contained_st4_32[];
 121   static uint32_t g_contained_st5_32[];
 122   static uint32_t g_contained_st6_32[];
 123   static uint32_t g_contained_st7_32[];
 124
 125   static uint32_t g_invalidate_st0_32[];
 126   static uint32_t g_invalidate_st1_32[];
 127   static uint32_t g_invalidate_st2_32[];
 128   static uint32_t g_invalidate_st3_32[];
 129   static uint32_t g_invalidate_st4_32[];
 130   static uint32_t g_invalidate_st5_32[];
 131   static uint32_t g_invalidate_st6_32[];
 132   static uint32_t g_invalidate_st7_32[];
 133
 134   static uint32_t g_contained_st0_64[];
 135   static uint32_t g_contained_st1_64[];
 136   static uint32_t g_contained_st2_64[];
 137   static uint32_t g_contained_st3_64[];
 138   static uint32_t g_contained_st4_64[];
 139   static uint32_t g_contained_st5_64[];
 140   static uint32_t g_contained_st6_64[];
 141   static uint32_t g_contained_st7_64[];
 142
 143   static uint32_t g_invalidate_st0_64[];
 144   static uint32_t g_invalidate_st1_64[];
 145   static uint32_t g_invalidate_st2_64[];
 146   static uint32_t g_invalidate_st3_64[];
 147   static uint32_t g_invalidate_st4_64[];
 148   static uint32_t g_invalidate_st5_64[];
 149   static uint32_t g_invalidate_st6_64[];
 150   static uint32_t g_invalidate_st7_64[];
 151
 152 protected:
 153   FPRType
 154       m_fpr_type; // determines the type of data stored by union FPR, if any.
 155   lldb_private::FPR m_fpr;     // floating-point registers including extended
 156                                // register sets.
 157   lldb_private::YMM m_ymm_set; // copy of ymmh and xmm register halves.
 158   std::unique_ptr<lldb_private::RegisterInfoInterface>
 159       m_register_info_up; // Register Info Interface (FreeBSD or Linux)
 160
 161   // Determines if an extended register set is supported on the processor
 162   // running the inferior process.
 163   virtual bool IsRegisterSetAvailable(size_t set_index);
 164
 165   virtual const lldb_private::RegisterInfo *GetRegisterInfo();
 166
 167   bool IsGPR(unsigned reg);
 168
 169   bool IsFPR(unsigned reg);
 170
 171   bool IsAVX(unsigned reg);
 172
 173   bool CopyXSTATEtoYMM(uint32_t reg, lldb::ByteOrder byte_order);
 174   bool CopyYMMtoXSTATE(uint32_t reg, lldb::ByteOrder byte_order);
 175   bool IsFPR(unsigned reg, FPRType fpr_type);
 176   FPRType GetFPRType();
 177
 178   virtual bool ReadGPR() = 0;
 179   virtual bool ReadFPR() = 0;
 180   virtual bool WriteGPR() = 0;
 181   virtual bool WriteFPR() = 0;
 182   virtual lldb_private::RegInfo &GetRegInfo();
 183 };
 184
 185 #endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_X86_H