1 //===-- NativeRegisterContextWindows_i386.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 #if defined(__i386__) || defined(_M_IX86) 10 #ifndef liblldb_NativeRegisterContextWindows_i386_h_ 11 #define liblldb_NativeRegisterContextWindows_i386_h_ 12 13 #include "Plugins/Process/Utility/RegisterContext_x86.h" 14 #include "Plugins/Process/Utility/lldb-x86-register-enums.h" 15 16 #include "NativeRegisterContextWindows.h" 17 18 namespace lldb_private { 19 20 class NativeThreadWindows; 21 22 class NativeRegisterContextWindows_i386 : public NativeRegisterContextWindows { 23 public: 24 NativeRegisterContextWindows_i386(const ArchSpec &target_arch, 25 NativeThreadProtocol &native_thread); 26 27 uint32_t GetRegisterSetCount() const override; 28 29 const RegisterSet *GetRegisterSet(uint32_t set_index) const override; 30 31 Status ReadRegister(const RegisterInfo *reg_info, 32 RegisterValue ®_value) override; 33 34 Status WriteRegister(const RegisterInfo *reg_info, 35 const RegisterValue ®_value) override; 36 37 Status ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override; 38 39 Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; 40 41 Status IsWatchpointHit(uint32_t wp_index, bool &is_hit) override; 42 43 Status GetWatchpointHitIndex(uint32_t &wp_index, 44 lldb::addr_t trap_addr) override; 45 46 Status IsWatchpointVacant(uint32_t wp_index, bool &is_vacant) override; 47 48 bool ClearHardwareWatchpoint(uint32_t wp_index) override; 49 50 Status ClearAllHardwareWatchpoints() override; 51 52 uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, 53 uint32_t watch_flags) override; 54 55 lldb::addr_t GetWatchpointAddress(uint32_t wp_index) override; 56 57 uint32_t NumSupportedHardwareWatchpoints() override; 58 59 protected: 60 Status GPRRead(const uint32_t reg, RegisterValue ®_value); 61 Status GPRWrite(const uint32_t reg, const RegisterValue ®_value); 62 63 Status DRRead(const uint32_t reg, RegisterValue ®_value); 64 Status DRWrite(const uint32_t reg, const RegisterValue ®_value); 65 66 private: 67 Status ApplyHardwareBreakpoint(uint32_t wp_index, lldb::addr_t addr, 68 size_t size, uint32_t flags); 69 70 bool IsGPR(uint32_t reg_index) const; 71 bool IsDR(uint32_t reg_index) const; 72 }; 73 74 } // namespace lldb_private 75 76 #endif // liblldb_NativeRegisterContextWindows_i386_h_ 77 #endif // defined(__i386__) || defined(_M_IX86) 78