1 //===-- RegisterContextMinidump_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_MINIDUMP_REGISTERCONTEXTMINIDUMP_ARM64_H 10 #define LLDB_SOURCE_PLUGINS_PROCESS_MINIDUMP_REGISTERCONTEXTMINIDUMP_ARM64_H 11 12 #include "MinidumpTypes.h" 13 14 #include "Plugins/Process/Utility/RegisterInfoInterface.h" 15 #include "lldb/Target/RegisterContext.h" 16 17 #include "llvm/ADT/ArrayRef.h" 18 #include "llvm/ADT/BitmaskEnum.h" 19 20 // C includes 21 // C++ includes 22 23 namespace lldb_private { 24 25 namespace minidump { 26 27 LLVM_ENABLE_BITMASK_ENUMS_IN_NAMESPACE(); 28 29 class RegisterContextMinidump_ARM64 : public lldb_private::RegisterContext { 30 public: 31 RegisterContextMinidump_ARM64(lldb_private::Thread &thread, 32 const DataExtractor &data); 33 34 ~RegisterContextMinidump_ARM64() override = default; 35 36 void InvalidateAllRegisters() override { 37 // Do nothing... registers are always valid... 38 } 39 40 size_t GetRegisterCount() override; 41 42 const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override; 43 44 size_t GetRegisterSetCount() override; 45 46 const lldb_private::RegisterSet *GetRegisterSet(size_t set) override; 47 48 const char *GetRegisterName(unsigned reg); 49 50 bool ReadRegister(const RegisterInfo *reg_info, 51 RegisterValue ®_value) override; 52 53 bool WriteRegister(const RegisterInfo *reg_info, 54 const RegisterValue ®_value) override; 55 56 uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, 57 uint32_t num) override; 58 59 // Reference: see breakpad/crashpad source 60 struct Context { 61 uint64_t context_flags; 62 uint64_t x[32]; 63 uint64_t pc; 64 uint32_t cpsr; 65 uint32_t fpsr; 66 uint32_t fpcr; 67 uint8_t v[32 * 16]; // 32 128-bit floating point registers 68 }; 69 70 enum class Flags : uint32_t { 71 ARM64_Flag = 0x80000000, 72 Integer = ARM64_Flag | 0x00000002, 73 FloatingPoint = ARM64_Flag | 0x00000004, 74 LLVM_MARK_AS_BITMASK_ENUM(/* LargestValue = */ FloatingPoint) 75 }; 76 77 protected: 78 Context m_regs; 79 }; 80 81 } // end namespace minidump 82 } // end namespace lldb_private 83 #endif // LLDB_SOURCE_PLUGINS_PROCESS_MINIDUMP_REGISTERCONTEXTMINIDUMP_ARM64_H 84