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/NativeRegisterContextDBReg_loongarch.h" 16 #include "Plugins/Process/Utility/RegisterInfoPOSIX_loongarch64.h" 17 18 #include <asm/ptrace.h> 19 20 namespace lldb_private { 21 namespace process_linux { 22 23 class NativeProcessLinux; 24 25 class NativeRegisterContextLinux_loongarch64 26 : public NativeRegisterContextLinux, 27 public NativeRegisterContextDBReg_loongarch { 28 public: 29 NativeRegisterContextLinux_loongarch64( 30 const ArchSpec &target_arch, NativeThreadProtocol &native_thread, 31 std::unique_ptr<RegisterInfoPOSIX_loongarch64> register_info_up); 32 33 uint32_t GetRegisterSetCount() const override; 34 35 uint32_t GetUserRegisterCount() const override; 36 37 const RegisterSet *GetRegisterSet(uint32_t set_index) const override; 38 39 Status ReadRegister(const RegisterInfo *reg_info, 40 RegisterValue ®_value) override; 41 42 Status WriteRegister(const RegisterInfo *reg_info, 43 const RegisterValue ®_value) override; 44 45 Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override; 46 47 Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; 48 49 void InvalidateAllRegisters() override; 50 51 std::vector<uint32_t> 52 GetExpeditedRegisters(ExpeditedRegs expType) const override; 53 54 bool RegisterOffsetIsDynamic() const override { return true; } 55 56 protected: 57 Status ReadGPR() override; 58 59 Status WriteGPR() override; 60 61 Status ReadFPR() override; 62 63 Status WriteFPR() override; 64 65 Status ReadLSX(); 66 67 Status WriteLSX(); 68 69 Status ReadLASX(); 70 71 Status WriteLASX(); 72 73 void *GetGPRBuffer() override { return &m_gpr; } 74 75 void *GetFPRBuffer() override { return &m_fpr; } 76 77 size_t GetGPRSize() const override { return GetRegisterInfo().GetGPRSize(); } 78 79 size_t GetFPRSize() override { return GetRegisterInfo().GetFPRSize(); } 80 81 private: 82 bool m_gpr_is_valid; 83 bool m_fpu_is_valid; 84 bool m_lsx_is_valid; 85 bool m_lasx_is_valid; 86 bool m_refresh_hwdebug_info; 87 88 RegisterInfoPOSIX_loongarch64::GPR m_gpr; 89 RegisterInfoPOSIX_loongarch64::FPR m_fpr; 90 RegisterInfoPOSIX_loongarch64::LSX m_lsx; 91 RegisterInfoPOSIX_loongarch64::LASX m_lasx; 92 93 bool IsGPR(unsigned reg) const; 94 95 bool IsFPR(unsigned reg) const; 96 97 bool IsLSX(unsigned reg) const; 98 99 bool IsLASX(unsigned reg) const; 100 101 uint32_t CalculateFprOffset(const RegisterInfo *reg_info) const; 102 103 uint32_t CalculateLsxOffset(const RegisterInfo *reg_info) const; 104 105 uint32_t CalculateLasxOffset(const RegisterInfo *reg_info) const; 106 107 const RegisterInfoPOSIX_loongarch64 &GetRegisterInfo() const; 108 109 llvm::Error ReadHardwareDebugInfo() override; 110 111 llvm::Error WriteHardwareDebugRegs(DREGType hwbType) override; 112 }; 113 114 } // namespace process_linux 115 } // namespace lldb_private 116 117 #endif // #ifndef lldb_NativeRegisterContextLinux_loongarch64_h 118 119 #endif // defined(__loongarch__) && __loongarch_grlen == 64 120