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

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