| 1 | //===-- MessageObjects.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_UNITTESTS_TOOLS_LLDB_SERVER_TESTS_MESSAGEOBJECTS_H |
| 10 | #define LLDB_UNITTESTS_TOOLS_LLDB_SERVER_TESTS_MESSAGEOBJECTS_H |
| 11 | |
| 12 | #include "lldb/Host/Host.h" |
| 13 | #include "lldb/Utility/RegisterValue.h" |
| 14 | #include "lldb/Utility/StructuredData.h" |
| 15 | #include "lldb/lldb-types.h" |
| 16 | #include "llvm/ADT/DenseMap.h" |
| 17 | #include "llvm/ADT/SmallString.h" |
| 18 | #include "llvm/Support/Endian.h" |
| 19 | #include "llvm/Support/Error.h" |
| 20 | #include "llvm/Support/FormatVariadic.h" |
| 21 | #include <string> |
| 22 | |
| 23 | namespace llgs_tests { |
| 24 | class ThreadInfo; |
| 25 | typedef llvm::DenseMap<uint64_t, ThreadInfo> ThreadInfoMap; |
| 26 | typedef llvm::DenseMap<unsigned int, lldb_private::RegisterValue> RegisterMap; |
| 27 | |
| 28 | template <typename T> struct Parser { using result_type = T; }; |
| 29 | |
| 30 | class ProcessInfo : public Parser<ProcessInfo> { |
| 31 | public: |
| 32 | static llvm::Expected<ProcessInfo> create(llvm::StringRef response); |
| 33 | lldb::pid_t GetPid() const; |
| 34 | llvm::endianness GetEndian() const; |
| 35 | |
| 36 | private: |
| 37 | ProcessInfo() = default; |
| 38 | lldb::pid_t m_pid; |
| 39 | lldb::pid_t m_parent_pid; |
| 40 | uint32_t m_real_uid; |
| 41 | uint32_t m_real_gid; |
| 42 | uint32_t m_effective_uid; |
| 43 | uint32_t m_effective_gid; |
| 44 | std::string m_triple; |
| 45 | llvm::SmallString<16> m_ostype; |
| 46 | llvm::endianness m_endian; |
| 47 | unsigned int m_ptrsize; |
| 48 | }; |
| 49 | |
| 50 | class ThreadInfo { |
| 51 | public: |
| 52 | ThreadInfo() = default; |
| 53 | ThreadInfo(llvm::StringRef name, llvm::StringRef reason, |
| 54 | RegisterMap registers, unsigned int signal); |
| 55 | |
| 56 | const lldb_private::RegisterValue *ReadRegister(unsigned int Id) const; |
| 57 | |
| 58 | private: |
| 59 | std::string m_name; |
| 60 | std::string m_reason; |
| 61 | RegisterMap m_registers; |
| 62 | }; |
| 63 | |
| 64 | class JThreadsInfo : public Parser<JThreadsInfo> { |
| 65 | public: |
| 66 | static llvm::Expected<JThreadsInfo> |
| 67 | create(llvm::StringRef Response, |
| 68 | llvm::ArrayRef<lldb_private::RegisterInfo> RegInfos); |
| 69 | |
| 70 | const ThreadInfoMap &GetThreadInfos() const; |
| 71 | |
| 72 | private: |
| 73 | static llvm::Expected<RegisterMap> |
| 74 | parseRegisters(const lldb_private::StructuredData::Dictionary &Dict, |
| 75 | llvm::ArrayRef<lldb_private::RegisterInfo> RegInfos); |
| 76 | |
| 77 | JThreadsInfo() = default; |
| 78 | ThreadInfoMap m_thread_infos; |
| 79 | }; |
| 80 | |
| 81 | struct RegisterInfoParser : public Parser<lldb_private::RegisterInfo> { |
| 82 | static llvm::Expected<lldb_private::RegisterInfo> |
| 83 | create(llvm::StringRef Response); |
| 84 | }; |
| 85 | |
| 86 | llvm::Expected<lldb_private::RegisterValue> |
| 87 | parseRegisterValue(const lldb_private::RegisterInfo &Info, |
| 88 | llvm::StringRef HexValue, llvm::endianness Endian, |
| 89 | bool ZeroPad = false); |
| 90 | |
| 91 | class StopReply : public Parser<std::unique_ptr<StopReply>> { |
| 92 | public: |
| 93 | StopReply() = default; |
| 94 | virtual ~StopReply() = default; |
| 95 | |
| 96 | static llvm::Expected<std::unique_ptr<StopReply>> |
| 97 | create(llvm::StringRef Response, llvm::endianness Endian, |
| 98 | llvm::ArrayRef<lldb_private::RegisterInfo> RegInfos); |
| 99 | |
| 100 | // for llvm::cast<> |
| 101 | virtual lldb_private::WaitStatus getKind() const = 0; |
| 102 | |
| 103 | StopReply(const StopReply &) = delete; |
| 104 | void operator=(const StopReply &) = delete; |
| 105 | }; |
| 106 | |
| 107 | class StopReplyStop : public StopReply { |
| 108 | public: |
| 109 | StopReplyStop(uint8_t Signal, lldb::tid_t ThreadId, llvm::StringRef Name, |
| 110 | RegisterMap ThreadPcs, RegisterMap Registers, |
| 111 | llvm::StringRef Reason) |
| 112 | : Signal(Signal), ThreadId(ThreadId), Name(Name), |
| 113 | ThreadPcs(std::move(ThreadPcs)), Registers(std::move(Registers)), |
| 114 | Reason(Reason) {} |
| 115 | |
| 116 | static llvm::Expected<std::unique_ptr<StopReplyStop>> |
| 117 | create(llvm::StringRef Response, llvm::endianness Endian, |
| 118 | llvm::ArrayRef<lldb_private::RegisterInfo> RegInfos); |
| 119 | |
| 120 | const RegisterMap &getThreadPcs() const { return ThreadPcs; } |
| 121 | lldb::tid_t getThreadId() const { return ThreadId; } |
| 122 | |
| 123 | // for llvm::cast<> |
| 124 | lldb_private::WaitStatus getKind() const override { |
| 125 | return lldb_private::WaitStatus{lldb_private::WaitStatus::Stop, Signal}; |
| 126 | } |
| 127 | static bool classof(const StopReply *R) { |
| 128 | return R->getKind().type == lldb_private::WaitStatus::Stop; |
| 129 | } |
| 130 | |
| 131 | private: |
| 132 | static llvm::Expected<RegisterMap> parseRegisters( |
| 133 | const llvm::StringMap<llvm::SmallVector<llvm::StringRef, 2>> &Elements, |
| 134 | llvm::endianness Endian, |
| 135 | llvm::ArrayRef<lldb_private::RegisterInfo> RegInfos); |
| 136 | |
| 137 | uint8_t Signal; |
| 138 | lldb::tid_t ThreadId; |
| 139 | std::string Name; |
| 140 | RegisterMap ThreadPcs; |
| 141 | RegisterMap Registers; |
| 142 | std::string Reason; |
| 143 | }; |
| 144 | |
| 145 | class StopReplyExit : public StopReply { |
| 146 | public: |
| 147 | explicit StopReplyExit(uint8_t Status) : Status(Status) {} |
| 148 | |
| 149 | static llvm::Expected<std::unique_ptr<StopReplyExit>> |
| 150 | create(llvm::StringRef response); |
| 151 | |
| 152 | // for llvm::cast<> |
| 153 | lldb_private::WaitStatus getKind() const override { |
| 154 | return lldb_private::WaitStatus{lldb_private::WaitStatus::Exit, Status}; |
| 155 | } |
| 156 | static bool classof(const StopReply *R) { |
| 157 | return R->getKind().type == lldb_private::WaitStatus::Exit; |
| 158 | } |
| 159 | |
| 160 | private: |
| 161 | uint8_t Status; |
| 162 | }; |
| 163 | |
| 164 | // Common functions for parsing packet data. |
| 165 | llvm::Expected<llvm::StringMap<llvm::StringRef>> |
| 166 | SplitUniquePairList(llvm::StringRef caller, llvm::StringRef s); |
| 167 | |
| 168 | llvm::StringMap<llvm::SmallVector<llvm::StringRef, 2>> |
| 169 | SplitPairList(llvm::StringRef s); |
| 170 | |
| 171 | template <typename... Args> |
| 172 | llvm::Error make_parsing_error(llvm::StringRef format, Args &&... args) { |
| 173 | std::string error = |
| 174 | "Unable to parse " + |
| 175 | llvm::formatv(format.data(), std::forward<Args>(args)...).str(); |
| 176 | return llvm::make_error<llvm::StringError>(Args&: error, |
| 177 | Args: llvm::inconvertibleErrorCode()); |
| 178 | } |
| 179 | |
| 180 | } // namespace llgs_tests |
| 181 | |
| 182 | namespace lldb_private { |
| 183 | std::ostream &operator<<(std::ostream &OS, const RegisterValue &RegVal); |
| 184 | } |
| 185 | |
| 186 | #endif // LLDB_UNITTESTS_TOOLS_LLDB_SERVER_TESTS_MESSAGEOBJECTS_H |
| 187 | |