1 //===-- RegisterContextPOSIXCore_arm64.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 #ifndef LLDB_SOURCE_PLUGINS_PROCESS_ELF_CORE_REGISTERCONTEXTPOSIXCORE_ARM64_H 10 #define LLDB_SOURCE_PLUGINS_PROCESS_ELF_CORE_REGISTERCONTEXTPOSIXCORE_ARM64_H 11 12 #include "Plugins/Process/Utility/LinuxPTraceDefines_arm64sve.h" 13 #include "Plugins/Process/Utility/RegisterContextPOSIX_arm64.h" 14 15 #include "Plugins/Process/elf-core/RegisterUtilities.h" 16 #include "lldb/Utility/DataBufferHeap.h" 17 #include "lldb/Utility/DataExtractor.h" 18 19 class RegisterContextCorePOSIX_arm64 : public RegisterContextPOSIX_arm64 { 20 public: 21 static std::unique_ptr<RegisterContextCorePOSIX_arm64> 22 Create(lldb_private::Thread &thread, const lldb_private::ArchSpec &arch, 23 const lldb_private::DataExtractor &gpregset, 24 llvm::ArrayRef<lldb_private::CoreNote> notes); 25 26 ~RegisterContextCorePOSIX_arm64() override; 27 28 bool ReadRegister(const lldb_private::RegisterInfo *reg_info, 29 lldb_private::RegisterValue &value) override; 30 31 bool WriteRegister(const lldb_private::RegisterInfo *reg_info, 32 const lldb_private::RegisterValue &value) override; 33 34 bool ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override; 35 36 bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; 37 38 bool HardwareSingleStep(bool enable) override; 39 40 protected: 41 RegisterContextCorePOSIX_arm64( 42 lldb_private::Thread &thread, 43 std::unique_ptr<RegisterInfoPOSIX_arm64> register_info, 44 const lldb_private::DataExtractor &gpregset, 45 llvm::ArrayRef<lldb_private::CoreNote> notes); 46 47 bool ReadGPR() override; 48 49 bool ReadFPR() override; 50 51 bool WriteGPR() override; 52 53 bool WriteFPR() override; 54 55 private: 56 lldb_private::DataExtractor m_gpr_data; 57 lldb_private::DataExtractor m_fpr_data; 58 lldb_private::DataExtractor m_sve_data; 59 lldb_private::DataExtractor m_pac_data; 60 61 SVEState m_sve_state; 62 uint16_t m_sve_vector_length = 0; 63 64 const uint8_t *GetSVEBuffer(uint64_t offset = 0); 65 66 void ConfigureRegisterContext(); 67 68 uint32_t CalculateSVEOffset(const lldb_private::RegisterInfo *reg_info); 69 70 uint64_t GetSVERegVG() { return m_sve_vector_length / 8; } 71 }; 72 73 #endif // LLDB_SOURCE_PLUGINS_PROCESS_ELF_CORE_REGISTERCONTEXTPOSIXCORE_ARM64_H 74