source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.h

   1 //===-- NativeRegisterContextLinux_mips64.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 #if defined (__mips__)
  11
  12 #ifndef lldb_NativeRegisterContextLinux_mips64_h
  13 #define lldb_NativeRegisterContextLinux_mips64_h
  14
  15 #include "Plugins/Process/Linux/NativeRegisterContextLinux.h"
  16 #include "Plugins/Process/Utility/RegisterContext_mips.h"
  17 #include "Plugins/Process/Utility/lldb-mips-linux-register-enums.h"
  18
  19 #define MAX_NUM_WP 8
  20
  21 namespace lldb_private {
  22 namespace process_linux {
  23
  24     class NativeProcessLinux;
  25
  26     class NativeRegisterContextLinux_mips64 : public NativeRegisterContextLinux
  27     {
  28     public:
  29         NativeRegisterContextLinux_mips64 (const ArchSpec& target_arch,
  30                                            NativeThreadProtocol &native_thread,
  31                                            uint32_t concrete_frame_idx);
  32
  33         uint32_t
  34         GetRegisterSetCount () const override;
  35
  36         lldb::addr_t
  37         GetPCfromBreakpointLocation (lldb::addr_t fail_value = LLDB_INVALID_ADDRESS) override;
  38
  39         lldb::addr_t
  40         GetWatchpointHitAddress (uint32_t wp_index) override;
  41
  42         const RegisterSet *
  43         GetRegisterSet (uint32_t set_index) const override;
  44
  45         Error
  46         ReadRegister (const RegisterInfo *reg_info, RegisterValue &reg_value) override;
  47
  48         Error
  49         WriteRegister (const RegisterInfo *reg_info, const RegisterValue &reg_value) override;
  50
  51         Error
  52         ReadAllRegisterValues (lldb::DataBufferSP &data_sp) override;
  53
  54         Error
  55         WriteAllRegisterValues (const lldb::DataBufferSP &data_sp) override;
  56
  57         Error
  58         ReadCP1();
  59
  60         Error
  61         WriteCP1();
  62
  63         Error
  64         IsWatchpointHit (uint32_t wp_index, bool &is_hit) override;
  65
  66         uint8_t *ReturnFPOffset(uint8_t reg_index, uint32_t byte_offset);
  67
  68
  69         Error
  70         GetWatchpointHitIndex(uint32_t &wp_index, lldb::addr_t trap_addr) override;
  71
  72         Error
  73         IsWatchpointVacant (uint32_t wp_index, bool &is_vacant) override;
  74
  75         bool
  76         ClearHardwareWatchpoint (uint32_t wp_index) override;
  77
  78         Error
  79         ClearAllHardwareWatchpoints () override;
  80
  81         Error
  82         SetHardwareWatchpointWithIndex (lldb::addr_t addr, size_t size,
  83                 uint32_t watch_flags, uint32_t wp_index);
  84
  85         uint32_t
  86         SetHardwareWatchpoint (lldb::addr_t addr, size_t size,
  87                 uint32_t watch_flags) override;
  88
  89         lldb::addr_t
  90         GetWatchpointAddress (uint32_t wp_index) override;
  91
  92         uint32_t
  93         NumSupportedHardwareWatchpoints () override;
  94
  95         static bool
  96         IsMSAAvailable();
  97
  98     protected:
  99
 100         Error
 101         Read_SR_Config(uint32_t offset, const char *reg_name, uint32_t size,
 102                        RegisterValue &value);
 103
 104         Error
 105         ReadRegisterRaw(uint32_t reg_index, RegisterValue &value) override;
 106
 107         Error
 108         DoReadWatchPointRegisterValue(lldb::tid_t tid, void* watch_readback);
 109
 110         Error
 111         WriteRegisterRaw(uint32_t reg_index,
 112                          const RegisterValue &value) override;
 113
 114         Error
 115         DoWriteWatchPointRegisterValue(lldb::tid_t tid, void* watch_readback);
 116
 117         bool
 118         IsFR0();
 119
 120         bool
 121         IsFRE();
 122
 123         bool
 124         IsFPR(uint32_t reg_index) const;
 125
 126         bool
 127         IsMSA(uint32_t reg_index) const;
 128
 129         void*
 130         GetGPRBuffer() override { return &m_gpr; }
 131
 132         void*
 133         GetFPRBuffer() override { return &m_fpr; }
 134
 135         size_t
 136         GetFPRSize() override { return sizeof(FPR_linux_mips); }
 137
 138     private:
 139         // Info about register ranges.
 140         struct RegInfo
 141         {
 142             uint32_t num_registers;
 143             uint32_t num_gpr_registers;
 144             uint32_t num_fpr_registers;
 145
 146             uint32_t last_gpr;
 147             uint32_t first_fpr;
 148             uint32_t last_fpr;
 149             uint32_t first_msa;
 150             uint32_t last_msa;
 151         };
 152
 153         RegInfo m_reg_info;
 154
 155         GPR_linux_mips m_gpr;
 156
 157         FPR_linux_mips m_fpr;
 158
 159         MSA_linux_mips m_msa;
 160
 161         lldb::addr_t hw_addr_map[MAX_NUM_WP];
 162
 163         IOVEC_mips m_iovec;
 164     };
 165
 166 } // namespace process_linux
 167 } // namespace lldb_private
 168
 169 #endif // #ifndef lldb_NativeRegisterContextLinux_mips64_h
 170
 171 #endif // defined (__mips__)