1 //===-- NativeProcessWindows.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 liblldb_NativeProcessWindows_h_ 10 #define liblldb_NativeProcessWindows_h_ 11 12 #include "lldb/Host/common/NativeProcessProtocol.h" 13 #include "lldb/lldb-forward.h" 14 15 #include "IDebugDelegate.h" 16 #include "ProcessDebugger.h" 17 18 namespace lldb_private { 19 20 class HostProcess; 21 class NativeProcessWindows; 22 class NativeThreadWindows; 23 class NativeDebugDelegate; 24 25 typedef std::shared_ptr<NativeDebugDelegate> NativeDebugDelegateSP; 26 27 //------------------------------------------------------------------ 28 // NativeProcessWindows 29 //------------------------------------------------------------------ 30 class NativeProcessWindows : public NativeProcessProtocol, 31 public ProcessDebugger { 32 33 public: 34 class Factory : public NativeProcessProtocol::Factory { 35 public: 36 llvm::Expected<std::unique_ptr<NativeProcessProtocol>> 37 Launch(ProcessLaunchInfo &launch_info, NativeDelegate &native_delegate, 38 MainLoop &mainloop) const override; 39 40 llvm::Expected<std::unique_ptr<NativeProcessProtocol>> 41 Attach(lldb::pid_t pid, NativeDelegate &native_delegate, 42 MainLoop &mainloop) const override; 43 }; 44 45 Status Resume(const ResumeActionList &resume_actions) override; 46 47 Status Halt() override; 48 49 Status Detach() override; 50 51 Status Signal(int signo) override; 52 53 Status Interrupt() override; 54 55 Status Kill() override; 56 57 Status IgnoreSignals(llvm::ArrayRef<int> signals) override; 58 59 Status GetMemoryRegionInfo(lldb::addr_t load_addr, 60 MemoryRegionInfo &range_info) override; 61 62 Status ReadMemory(lldb::addr_t addr, void *buf, size_t size, 63 size_t &bytes_read) override; 64 65 Status WriteMemory(lldb::addr_t addr, const void *buf, size_t size, 66 size_t &bytes_written) override; 67 68 Status AllocateMemory(size_t size, uint32_t permissions, 69 lldb::addr_t &addr) override; 70 71 Status DeallocateMemory(lldb::addr_t addr) override; 72 73 lldb::addr_t GetSharedLibraryInfoAddress() override; 74 75 bool IsAlive() const override; 76 77 size_t UpdateThreads() override; 78 79 const ArchSpec &GetArchitecture() const override { return m_arch; } 80 81 void SetArchitecture(const ArchSpec &arch_spec) { m_arch = arch_spec; } 82 83 Status SetBreakpoint(lldb::addr_t addr, uint32_t size, 84 bool hardware) override; 85 86 Status RemoveBreakpoint(lldb::addr_t addr, bool hardware = false) override; 87 88 llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> 89 GetAuxvData() const override; 90 91 Status GetLoadedModuleFileSpec(const char *module_path, 92 FileSpec &file_spec) override; 93 94 Status GetFileLoadAddress(const llvm::StringRef &file_name, 95 lldb::addr_t &load_addr) override; 96 97 // ProcessDebugger Overrides 98 void OnExitProcess(uint32_t exit_code) override; 99 void OnDebuggerConnected(lldb::addr_t image_base) override; 100 ExceptionResult OnDebugException(bool first_chance, 101 const ExceptionRecord &record) override; 102 void OnCreateThread(const HostThread &thread) override; 103 void OnExitThread(lldb::tid_t thread_id, uint32_t exit_code) override; 104 void OnLoadDll(const ModuleSpec &module_spec, 105 lldb::addr_t module_addr) override; 106 void OnUnloadDll(lldb::addr_t module_addr) override; 107 108 protected: 109 NativeThreadWindows *GetThreadByID(lldb::tid_t thread_id); 110 111 bool FindSoftwareBreakpoint(lldb::addr_t addr); 112 113 void StopThread(lldb::tid_t thread_id, lldb::StopReason reason, 114 std::string description = ""); 115 116 void SetStopReasonForThread(NativeThreadWindows &thread, 117 lldb::StopReason reason, 118 std::string description = ""); 119 120 private: 121 ArchSpec m_arch; 122 123 NativeProcessWindows(ProcessLaunchInfo &launch_info, NativeDelegate &delegate, 124 llvm::Error &E); 125 126 NativeProcessWindows(lldb::pid_t pid, int terminal_fd, 127 NativeDelegate &delegate, llvm::Error &E); 128 129 Status CacheLoadedModules(); 130 std::map<lldb_private::FileSpec, lldb::addr_t> m_loaded_modules; 131 }; 132 133 //------------------------------------------------------------------ 134 // NativeDebugDelegate 135 //------------------------------------------------------------------ 136 class NativeDebugDelegate : public IDebugDelegate { 137 public: 138 NativeDebugDelegate(NativeProcessWindows &process) : m_process(process) {} 139 140 void OnExitProcess(uint32_t exit_code) { m_process.OnExitProcess(exit_code); } 141 142 void OnDebuggerConnected(lldb::addr_t image_base) { 143 m_process.OnDebuggerConnected(image_base); 144 } 145 146 ExceptionResult OnDebugException(bool first_chance, 147 const ExceptionRecord &record) { 148 return m_process.OnDebugException(first_chance, record); 149 } 150 151 void OnCreateThread(const HostThread &thread) { 152 m_process.OnCreateThread(thread); 153 } 154 155 void OnExitThread(lldb::tid_t thread_id, uint32_t exit_code) { 156 m_process.OnExitThread(thread_id, exit_code); 157 } 158 159 void OnLoadDll(const lldb_private::ModuleSpec &module_spec, 160 lldb::addr_t module_addr) { 161 m_process.OnLoadDll(module_spec, module_addr); 162 } 163 164 void OnUnloadDll(lldb::addr_t module_addr) { 165 m_process.OnUnloadDll(module_addr); 166 } 167 168 void OnDebugString(const std::string &string) { 169 m_process.OnDebugString(string); 170 } 171 172 void OnDebuggerError(const Status &error, uint32_t type) { 173 return m_process.OnDebuggerError(error, type); 174 } 175 176 private: 177 NativeProcessWindows &m_process; 178 }; 179 180 } // namespace lldb_private 181 182 #endif // #ifndef liblldb_NativeProcessWindows_h_ 183