1 //===-- NativeRegisterContextLinux_loongarch64.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(__loongarch__) && __loongarch_grlen == 64 10 11 #ifndef lldb_NativeRegisterContextLinux_loongarch64_h 12 #define lldb_NativeRegisterContextLinux_loongarch64_h 13 14 #include "Plugins/Process/Linux/NativeRegisterContextLinux.h" 15 #include "Plugins/Process/Utility/RegisterInfoPOSIX_loongarch64.h" 16 17 #include <asm/ptrace.h> 18 19 namespace lldb_private { 20 namespace process_linux { 21 22 class NativeProcessLinux; 23 24 class NativeRegisterContextLinux_loongarch64 25 : public NativeRegisterContextLinux { 26 public: 27 NativeRegisterContextLinux_loongarch64( 28 const ArchSpec &target_arch, NativeThreadProtocol &native_thread, 29 std::unique_ptr<RegisterInfoPOSIX_loongarch64> register_info_up); 30 31 uint32_t GetRegisterSetCount() const override; 32 33 uint32_t GetUserRegisterCount() const override; 34 35 const RegisterSet *GetRegisterSet(uint32_t set_index) const override; 36 37 Status ReadRegister(const RegisterInfo *reg_info, 38 RegisterValue ®_value) override; 39 40 Status WriteRegister(const RegisterInfo *reg_info, 41 const RegisterValue ®_value) override; 42 43 Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override; 44 45 Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; 46 47 void InvalidateAllRegisters() override; 48 49 std::vector<uint32_t> 50 GetExpeditedRegisters(ExpeditedRegs expType) const override; 51 RegisterOffsetIsDynamic()52 bool RegisterOffsetIsDynamic() const override { return true; } 53 54 protected: 55 Status ReadGPR() override; 56 57 Status WriteGPR() override; 58 59 Status ReadFPR() override; 60 61 Status WriteFPR() override; 62 GetGPRBuffer()63 void *GetGPRBuffer() override { return &m_gpr; } 64 GetFPRBuffer()65 void *GetFPRBuffer() override { return &m_fpr; } 66 GetGPRSize()67 size_t GetGPRSize() const override { return GetRegisterInfo().GetGPRSize(); } 68 GetFPRSize()69 size_t GetFPRSize() override { return GetRegisterInfo().GetFPRSize(); } 70 71 private: 72 bool m_gpr_is_valid; 73 bool m_fpu_is_valid; 74 75 RegisterInfoPOSIX_loongarch64::GPR m_gpr; 76 77 RegisterInfoPOSIX_loongarch64::FPR m_fpr; 78 79 bool IsGPR(unsigned reg) const; 80 81 bool IsFPR(unsigned reg) const; 82 83 uint32_t CalculateFprOffset(const RegisterInfo *reg_info) const; 84 85 const RegisterInfoPOSIX_loongarch64 &GetRegisterInfo() const; 86 }; 87 88 } // namespace process_linux 89 } // namespace lldb_private 90 91 #endif // #ifndef lldb_NativeRegisterContextLinux_loongarch64_h 92 93 #endif // defined(__loongarch__) && __loongarch_grlen == 64 94