contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_x86.h

   1 //===-- RegisterContextPOSIXProcessMonitor_x86.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_RegisterContextPOSIXProcessMonitor_x86_H_
  11 #define liblldb_RegisterContextPOSIXProcessMonitor_x86_H_
  12
  13 #include "Plugins/Process/Utility/RegisterContextPOSIX_x86.h"
  14 #include "RegisterContextPOSIX.h"
  15 #include <sys/uio.h>
  16
  17 class RegisterContextPOSIXProcessMonitor_x86_64
  18     : public RegisterContextPOSIX_x86,
  19       public POSIXBreakpointProtocol {
  20 public:
  21   RegisterContextPOSIXProcessMonitor_x86_64(
  22       lldb_private::Thread &thread, uint32_t concrete_frame_idx,
  23       lldb_private::RegisterInfoInterface *register_info);
  24
  25 protected:
  26   bool ReadGPR();
  27
  28   bool ReadFPR();
  29
  30   bool WriteGPR();
  31
  32   bool WriteFPR();
  33
  34   // lldb_private::RegisterContext
  35   bool ReadRegister(const unsigned reg, lldb_private::RegisterValue &value);
  36
  37   bool WriteRegister(const unsigned reg,
  38                      const lldb_private::RegisterValue &value);
  39
  40   bool ReadRegister(const lldb_private::RegisterInfo *reg_info,
  41                     lldb_private::RegisterValue &value);
  42
  43   bool WriteRegister(const lldb_private::RegisterInfo *reg_info,
  44                      const lldb_private::RegisterValue &value);
  45
  46   bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp);
  47
  48   bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp);
  49
  50   uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read,
  51                                  bool write);
  52
  53   bool ClearHardwareWatchpoint(uint32_t hw_index);
  54
  55   bool HardwareSingleStep(bool enable);
  56
  57   // POSIXBreakpointProtocol
  58   bool UpdateAfterBreakpoint();
  59
  60   unsigned GetRegisterIndexFromOffset(unsigned offset);
  61
  62   bool IsWatchpointHit(uint32_t hw_index);
  63
  64   bool ClearWatchpointHits();
  65
  66   lldb::addr_t GetWatchpointAddress(uint32_t hw_index);
  67
  68   bool IsWatchpointVacant(uint32_t hw_index);
  69
  70   bool SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read,
  71                                       bool write, uint32_t hw_index);
  72
  73   uint32_t NumSupportedHardwareWatchpoints();
  74
  75 private:
  76   ProcessMonitor &GetMonitor();
  77   uint32_t
  78       m_fctrl_offset_in_userarea; // Offset of 'fctrl' in 'UserArea' Structure
  79   struct iovec m_iovec;
  80 };
  81
  82 #endif