1 //===-- NativeRegisterContextLinux_riscv64.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(__riscv) && __riscv_xlen == 64 10 11 #ifndef lldb_NativeRegisterContextLinux_riscv64_h 12 #define lldb_NativeRegisterContextLinux_riscv64_h 13 14 #include "Plugins/Process/Linux/NativeRegisterContextLinux.h" 15 #include "Plugins/Process/Utility/RegisterInfoPOSIX_riscv64.h" 16 17 #include <asm/ptrace.h> 18 19 namespace lldb_private { 20 namespace process_linux { 21 22 class NativeProcessLinux; 23 24 class NativeRegisterContextLinux_riscv64 : public NativeRegisterContextLinux { 25 public: 26 NativeRegisterContextLinux_riscv64( 27 const ArchSpec &target_arch, NativeThreadProtocol &native_thread, 28 std::unique_ptr<RegisterInfoPOSIX_riscv64> register_info_up); 29 30 uint32_t GetRegisterSetCount() const override; 31 32 uint32_t GetUserRegisterCount() const override; 33 34 const RegisterSet *GetRegisterSet(uint32_t set_index) const override; 35 36 Status ReadRegister(const RegisterInfo *reg_info, 37 RegisterValue ®_value) override; 38 39 Status WriteRegister(const RegisterInfo *reg_info, 40 const RegisterValue ®_value) override; 41 42 Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override; 43 44 Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; 45 46 void InvalidateAllRegisters() override; 47 48 std::vector<uint32_t> 49 GetExpeditedRegisters(ExpeditedRegs expType) const override; 50 RegisterOffsetIsDynamic()51 bool RegisterOffsetIsDynamic() const override { return true; } 52 53 protected: 54 Status ReadGPR() override; 55 56 Status WriteGPR() override; 57 58 Status ReadFPR() override; 59 60 Status WriteFPR() override; 61 GetGPRBuffer()62 void *GetGPRBuffer() override { return &m_gpr; } 63 GetFPRBuffer()64 void *GetFPRBuffer() override { return &m_fpr; } 65 GetGPRSize()66 size_t GetGPRSize() const override { return GetRegisterInfo().GetGPRSize(); } 67 GetFPRSize()68 size_t GetFPRSize() override { return GetRegisterInfo().GetFPRSize(); } 69 70 private: 71 bool m_gpr_is_valid; 72 bool m_fpu_is_valid; 73 74 RegisterInfoPOSIX_riscv64::GPR m_gpr; 75 76 RegisterInfoPOSIX_riscv64::FPR m_fpr; 77 78 bool IsGPR(unsigned reg) const; 79 80 bool IsFPR(unsigned reg) const; 81 82 uint32_t CalculateFprOffset(const RegisterInfo *reg_info) const; 83 84 const RegisterInfoPOSIX_riscv64 &GetRegisterInfo() const; 85 }; 86 87 } // namespace process_linux 88 } // namespace lldb_private 89 90 #endif // #ifndef lldb_NativeRegisterContextLinux_riscv64_h 91 92 #endif // defined(__riscv) && __riscv_xlen == 64 93