lldb/source/Plugins/Process/Utility/NativeRegisterContextDBReg_x86.h

   1 //===-- NativeRegisterContextDBReg_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_NativeRegisterContextDBReg_x86_h
  10 #define lldb_NativeRegisterContextDBReg_x86_h
  11
  12 #include "Plugins/Process/Utility/NativeRegisterContextRegisterInfo.h"
  13
  14 namespace lldb_private {
  15
  16 class NativeRegisterContextDBReg_x86
  17     : public virtual NativeRegisterContextRegisterInfo {
  18 public:
  19   // NB: This constructor is here only because gcc<=6.5 requires a virtual base
  20   // class initializer on abstract class (even though it is never used). It can
  21   // be deleted once we move to gcc>=7.0.
  22   NativeRegisterContextDBReg_x86(NativeThreadProtocol &thread)
  23       : NativeRegisterContextRegisterInfo(thread, nullptr) {}
  24
  25   Status IsWatchpointHit(uint32_t wp_index, bool &is_hit) override;
  26
  27   Status GetWatchpointHitIndex(uint32_t &wp_index,
  28                                lldb::addr_t trap_addr) override;
  29
  30   Status IsWatchpointVacant(uint32_t wp_index, bool &is_vacant) override;
  31
  32   bool ClearHardwareWatchpoint(uint32_t wp_index) override;
  33
  34   Status ClearWatchpointHit(uint32_t wp_index) override;
  35
  36   Status ClearAllHardwareWatchpoints() override;
  37
  38   Status SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size,
  39                                         uint32_t watch_flags,
  40                                         uint32_t wp_index);
  41
  42   uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size,
  43                                  uint32_t watch_flags) override;
  44
  45   lldb::addr_t GetWatchpointAddress(uint32_t wp_index) override;
  46
  47   uint32_t NumSupportedHardwareWatchpoints() override;
  48
  49   virtual const RegisterInfo *GetDR(int num) const;
  50 };
  51
  52 } // namespace lldb_private
  53
  54 #endif // #ifndef lldb_NativeRegisterContextDBReg_x86_h