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1//===-- RegisterContextMinidump_ARM.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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLDB_SOURCE_PLUGINS_PROCESS_MINIDUMP_REGISTERCONTEXTMINIDUMP_ARM_H10#define LLDB_SOURCE_PLUGINS_PROCESS_MINIDUMP_REGISTERCONTEXTMINIDUMP_ARM_H11 12#include "MinidumpTypes.h"13 14#include "Plugins/Process/Utility/RegisterInfoInterface.h"15 16#include "lldb/Target/RegisterContext.h"17 18#include "llvm/ADT/ArrayRef.h"19#include "llvm/ADT/BitmaskEnum.h"20 21// C includes22// C++ includes23 24namespace lldb_private {25 26namespace minidump {27 28LLVM_ENABLE_BITMASK_ENUMS_IN_NAMESPACE();29 30class RegisterContextMinidump_ARM : public lldb_private::RegisterContext {31public:32 RegisterContextMinidump_ARM(lldb_private::Thread &thread,33 const DataExtractor &data, bool apple);34 35 ~RegisterContextMinidump_ARM() override = default;36 37 void InvalidateAllRegisters() override {38 // Do nothing... registers are always valid...39 }40 41 // Used for unit testing.42 static size_t GetRegisterCountStatic();43 // Used for unit testing.44 static const lldb_private::RegisterInfo *45 GetRegisterInfoAtIndexStatic(size_t reg, bool apple);46 47 size_t GetRegisterCount() override;48 49 const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;50 51 size_t GetRegisterSetCount() override;52 53 const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;54 55 const char *GetRegisterName(unsigned reg);56 57 bool ReadRegister(const RegisterInfo *reg_info,58 RegisterValue ®_value) override;59 60 bool WriteRegister(const RegisterInfo *reg_info,61 const RegisterValue ®_value) override;62 63 uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,64 uint32_t num) override;65 66 // Reference: see breakpad/crashpad source67 struct QRegValue {68 uint64_t lo;69 uint64_t hi;70 };71 72 struct Context {73 uint32_t context_flags;74 uint32_t r[16];75 uint32_t cpsr;76 uint64_t fpscr;77 union {78 uint64_t d[32];79 uint32_t s[32];80 QRegValue q[16];81 };82 uint32_t extra[8];83 };84 85protected:86 enum class Flags : uint32_t {87 ARM_Flag = 0x40000000,88 Integer = ARM_Flag | 0x00000002,89 FloatingPoint = ARM_Flag | 0x00000004,90 LLVM_MARK_AS_BITMASK_ENUM(/* LargestValue = */ FloatingPoint)91 };92 Context m_regs;93 const bool m_apple; // True if this is an Apple ARM where FP is R794};95 96} // end namespace minidump97} // end namespace lldb_private98#endif // LLDB_SOURCE_PLUGINS_PROCESS_MINIDUMP_REGISTERCONTEXTMINIDUMP_ARM_H99