1 //===-- NativeRegisterContextLinux_x86_64.h ---------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #if defined(__i386__) || defined(__x86_64__)
12 #ifndef lldb_NativeRegisterContextLinux_x86_64_h
13 #define lldb_NativeRegisterContextLinux_x86_64_h
15 #include "Plugins/Process/Linux/NativeRegisterContextLinux.h"
16 #include "Plugins/Process/Utility/RegisterContext_x86.h"
17 #include "Plugins/Process/Utility/lldb-x86-register-enums.h"
19 namespace lldb_private {
20 namespace process_linux {
22 class NativeProcessLinux;
24 class NativeRegisterContextLinux_x86_64 : public NativeRegisterContextLinux {
26 NativeRegisterContextLinux_x86_64(const ArchSpec &target_arch,
27 NativeThreadProtocol &native_thread,
28 uint32_t concrete_frame_idx);
30 uint32_t GetRegisterSetCount() const override;
32 const RegisterSet *GetRegisterSet(uint32_t set_index) const override;
34 uint32_t GetUserRegisterCount() const override;
36 Error ReadRegister(const RegisterInfo *reg_info,
37 RegisterValue ®_value) override;
39 Error WriteRegister(const RegisterInfo *reg_info,
40 const RegisterValue ®_value) override;
42 Error ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
44 Error WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
46 Error IsWatchpointHit(uint32_t wp_index, bool &is_hit) override;
48 Error GetWatchpointHitIndex(uint32_t &wp_index,
49 lldb::addr_t trap_addr) override;
51 Error IsWatchpointVacant(uint32_t wp_index, bool &is_vacant) override;
53 bool ClearHardwareWatchpoint(uint32_t wp_index) override;
55 Error ClearAllHardwareWatchpoints() override;
57 Error SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size,
58 uint32_t watch_flags, uint32_t wp_index);
60 uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size,
61 uint32_t watch_flags) override;
63 lldb::addr_t GetWatchpointAddress(uint32_t wp_index) override;
65 uint32_t NumSupportedHardwareWatchpoints() override;
68 void *GetGPRBuffer() override { return &m_gpr_x86_64; }
70 void *GetFPRBuffer() override;
72 size_t GetFPRSize() override;
74 Error ReadFPR() override;
76 Error WriteFPR() override;
79 // Private member types.
80 enum class XStateType { Invalid, FXSAVE, XSAVE };
81 enum class RegSet { gpr, fpu, avx, mpx };
83 // Info about register ranges.
85 uint32_t num_registers;
86 uint32_t num_gpr_registers;
87 uint32_t num_fpr_registers;
88 uint32_t num_avx_registers;
89 uint32_t num_mpx_registers;
109 // Private member variables.
110 mutable XStateType m_xstate_type;
111 FPR m_fpr; // Extended States Area, named FPR for historical reasons.
116 uint64_t m_gpr_x86_64[k_num_gpr_registers_x86_64];
117 uint32_t m_fctrl_offset_in_userarea;
119 // Private member methods.
120 bool IsCPUFeatureAvailable(RegSet feature_code) const;
122 bool IsRegisterSetAvailable(uint32_t set_index) const;
124 bool IsGPR(uint32_t reg_index) const;
126 bool IsFPR(uint32_t reg_index) const;
128 bool CopyXSTATEtoYMM(uint32_t reg_index, lldb::ByteOrder byte_order);
130 bool CopyYMMtoXSTATE(uint32_t reg, lldb::ByteOrder byte_order);
132 bool IsAVX(uint32_t reg_index) const;
134 bool CopyXSTATEtoMPX(uint32_t reg);
136 bool CopyMPXtoXSTATE(uint32_t reg);
138 bool IsMPX(uint32_t reg_index) const;
141 } // namespace process_linux
142 } // namespace lldb_private
144 #endif // #ifndef lldb_NativeRegisterContextLinux_x86_64_h
146 #endif // defined(__i386__) || defined(__x86_64__)