//===-- CommandObjectProcess.cpp ------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "CommandObjectProcess.h" #include "CommandObjectTrace.h" #include "CommandOptionsProcessLaunch.h" #include "lldb/Breakpoint/Breakpoint.h" #include "lldb/Breakpoint/BreakpointLocation.h" #include "lldb/Breakpoint/BreakpointSite.h" #include "lldb/Core/Module.h" #include "lldb/Core/PluginManager.h" #include "lldb/Host/OptionParser.h" #include "lldb/Interpreter/CommandInterpreter.h" #include "lldb/Interpreter/CommandReturnObject.h" #include "lldb/Interpreter/OptionArgParser.h" #include "lldb/Interpreter/OptionGroupPythonClassWithDict.h" #include "lldb/Interpreter/Options.h" #include "lldb/Target/Platform.h" #include "lldb/Target/Process.h" #include "lldb/Target/StopInfo.h" #include "lldb/Target/Target.h" #include "lldb/Target/Thread.h" #include "lldb/Target/UnixSignals.h" #include "lldb/Utility/Args.h" #include "lldb/Utility/State.h" #include using namespace lldb; using namespace lldb_private; class CommandObjectProcessLaunchOrAttach : public CommandObjectParsed { public: CommandObjectProcessLaunchOrAttach(CommandInterpreter &interpreter, const char *name, const char *help, const char *syntax, uint32_t flags, const char *new_process_action) : CommandObjectParsed(interpreter, name, help, syntax, flags), m_new_process_action(new_process_action) {} ~CommandObjectProcessLaunchOrAttach() override = default; protected: bool StopProcessIfNecessary(Process *process, StateType &state, CommandReturnObject &result) { state = eStateInvalid; if (process) { state = process->GetState(); if (process->IsAlive() && state != eStateConnected) { std::string message; if (process->GetState() == eStateAttaching) message = llvm::formatv("There is a pending attach, abort it and {0}?", m_new_process_action); else if (process->GetShouldDetach()) message = llvm::formatv( "There is a running process, detach from it and {0}?", m_new_process_action); else message = llvm::formatv("There is a running process, kill it and {0}?", m_new_process_action); if (!m_interpreter.Confirm(message, true)) { result.SetStatus(eReturnStatusFailed); return false; } else { if (process->GetShouldDetach()) { bool keep_stopped = false; Status detach_error(process->Detach(keep_stopped)); if (detach_error.Success()) { result.SetStatus(eReturnStatusSuccessFinishResult); process = nullptr; } else { result.AppendErrorWithFormat( "Failed to detach from process: %s\n", detach_error.AsCString()); } } else { Status destroy_error(process->Destroy(false)); if (destroy_error.Success()) { result.SetStatus(eReturnStatusSuccessFinishResult); process = nullptr; } else { result.AppendErrorWithFormat("Failed to kill process: %s\n", destroy_error.AsCString()); } } } } } return result.Succeeded(); } std::string m_new_process_action; }; // CommandObjectProcessLaunch #pragma mark CommandObjectProcessLaunch class CommandObjectProcessLaunch : public CommandObjectProcessLaunchOrAttach { public: CommandObjectProcessLaunch(CommandInterpreter &interpreter) : CommandObjectProcessLaunchOrAttach( interpreter, "process launch", "Launch the executable in the debugger.", nullptr, eCommandRequiresTarget, "restart"), m_options(), m_class_options("scripted process", true, 'C', 'k', 'v', 0), m_all_options() { m_all_options.Append(&m_options); m_all_options.Append(&m_class_options, LLDB_OPT_SET_1 | LLDB_OPT_SET_2, LLDB_OPT_SET_ALL); m_all_options.Finalize(); CommandArgumentEntry arg; CommandArgumentData run_args_arg; // Define the first (and only) variant of this arg. run_args_arg.arg_type = eArgTypeRunArgs; run_args_arg.arg_repetition = eArgRepeatOptional; // There is only one variant this argument could be; put it into the // argument entry. arg.push_back(run_args_arg); // Push the data for the first argument into the m_arguments vector. m_arguments.push_back(arg); } ~CommandObjectProcessLaunch() override = default; void HandleArgumentCompletion(CompletionRequest &request, OptionElementVector &opt_element_vector) override { CommandCompletions::InvokeCommonCompletionCallbacks( GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion, request, nullptr); } Options *GetOptions() override { return &m_all_options; } const char *GetRepeatCommand(Args ¤t_command_args, uint32_t index) override { // No repeat for "process launch"... return ""; } protected: bool DoExecute(Args &launch_args, CommandReturnObject &result) override { Debugger &debugger = GetDebugger(); Target *target = debugger.GetSelectedTarget().get(); // If our listener is nullptr, users aren't allows to launch ModuleSP exe_module_sp = target->GetExecutableModule(); if (exe_module_sp == nullptr) { result.AppendError("no file in target, create a debug target using the " "'target create' command"); return false; } StateType state = eStateInvalid; if (!StopProcessIfNecessary(m_exe_ctx.GetProcessPtr(), state, result)) return false; // Determine whether we will disable ASLR or leave it in the default state // (i.e. enabled if the platform supports it). First check if the process // launch options explicitly turn on/off // disabling ASLR. If so, use that setting; // otherwise, use the 'settings target.disable-aslr' setting. bool disable_aslr = false; if (m_options.disable_aslr != eLazyBoolCalculate) { // The user specified an explicit setting on the process launch line. // Use it. disable_aslr = (m_options.disable_aslr == eLazyBoolYes); } else { // The user did not explicitly specify whether to disable ASLR. Fall // back to the target.disable-aslr setting. disable_aslr = target->GetDisableASLR(); } if (!m_class_options.GetName().empty()) { m_options.launch_info.SetProcessPluginName("ScriptedProcess"); m_options.launch_info.SetScriptedProcessClassName( m_class_options.GetName()); m_options.launch_info.SetScriptedProcessDictionarySP( m_class_options.GetStructuredData()); target->SetProcessLaunchInfo(m_options.launch_info); } if (disable_aslr) m_options.launch_info.GetFlags().Set(eLaunchFlagDisableASLR); else m_options.launch_info.GetFlags().Clear(eLaunchFlagDisableASLR); if (target->GetInheritTCC()) m_options.launch_info.GetFlags().Set(eLaunchFlagInheritTCCFromParent); if (target->GetDetachOnError()) m_options.launch_info.GetFlags().Set(eLaunchFlagDetachOnError); if (target->GetDisableSTDIO()) m_options.launch_info.GetFlags().Set(eLaunchFlagDisableSTDIO); // Merge the launch info environment with the target environment. Environment target_env = target->GetEnvironment(); m_options.launch_info.GetEnvironment().insert(target_env.begin(), target_env.end()); llvm::StringRef target_settings_argv0 = target->GetArg0(); if (!target_settings_argv0.empty()) { m_options.launch_info.GetArguments().AppendArgument( target_settings_argv0); m_options.launch_info.SetExecutableFile( exe_module_sp->GetPlatformFileSpec(), false); } else { m_options.launch_info.SetExecutableFile( exe_module_sp->GetPlatformFileSpec(), true); } if (launch_args.GetArgumentCount() == 0) { m_options.launch_info.GetArguments().AppendArguments( target->GetProcessLaunchInfo().GetArguments()); } else { m_options.launch_info.GetArguments().AppendArguments(launch_args); // Save the arguments for subsequent runs in the current target. target->SetRunArguments(launch_args); } StreamString stream; Status error = target->Launch(m_options.launch_info, &stream); if (error.Success()) { ProcessSP process_sp(target->GetProcessSP()); if (process_sp) { // There is a race condition where this thread will return up the call // stack to the main command handler and show an (lldb) prompt before // HandlePrivateEvent (from PrivateStateThread) has a chance to call // PushProcessIOHandler(). process_sp->SyncIOHandler(0, std::chrono::seconds(2)); llvm::StringRef data = stream.GetString(); if (!data.empty()) result.AppendMessage(data); const char *archname = exe_module_sp->GetArchitecture().GetArchitectureName(); result.AppendMessageWithFormat( "Process %" PRIu64 " launched: '%s' (%s)\n", process_sp->GetID(), exe_module_sp->GetFileSpec().GetPath().c_str(), archname); result.SetStatus(eReturnStatusSuccessFinishResult); result.SetDidChangeProcessState(true); } else { result.AppendError( "no error returned from Target::Launch, and target has no process"); } } else { result.AppendError(error.AsCString()); } return result.Succeeded(); } CommandOptionsProcessLaunch m_options; OptionGroupPythonClassWithDict m_class_options; OptionGroupOptions m_all_options; }; #define LLDB_OPTIONS_process_attach #include "CommandOptions.inc" #pragma mark CommandObjectProcessAttach class CommandObjectProcessAttach : public CommandObjectProcessLaunchOrAttach { public: class CommandOptions : public Options { public: CommandOptions() : Options() { // Keep default values of all options in one place: OptionParsingStarting // () OptionParsingStarting(nullptr); } ~CommandOptions() override = default; Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, ExecutionContext *execution_context) override { Status error; const int short_option = m_getopt_table[option_idx].val; switch (short_option) { case 'c': attach_info.SetContinueOnceAttached(true); break; case 'p': { lldb::pid_t pid; if (option_arg.getAsInteger(0, pid)) { error.SetErrorStringWithFormat("invalid process ID '%s'", option_arg.str().c_str()); } else { attach_info.SetProcessID(pid); } } break; case 'P': attach_info.SetProcessPluginName(option_arg); break; case 'n': attach_info.GetExecutableFile().SetFile(option_arg, FileSpec::Style::native); break; case 'w': attach_info.SetWaitForLaunch(true); break; case 'i': attach_info.SetIgnoreExisting(false); break; default: llvm_unreachable("Unimplemented option"); } return error; } void OptionParsingStarting(ExecutionContext *execution_context) override { attach_info.Clear(); } llvm::ArrayRef GetDefinitions() override { return llvm::makeArrayRef(g_process_attach_options); } ProcessAttachInfo attach_info; }; CommandObjectProcessAttach(CommandInterpreter &interpreter) : CommandObjectProcessLaunchOrAttach( interpreter, "process attach", "Attach to a process.", "process attach ", 0, "attach"), m_options() {} ~CommandObjectProcessAttach() override = default; Options *GetOptions() override { return &m_options; } protected: bool DoExecute(Args &command, CommandReturnObject &result) override { PlatformSP platform_sp( GetDebugger().GetPlatformList().GetSelectedPlatform()); Target *target = GetDebugger().GetSelectedTarget().get(); // N.B. The attach should be synchronous. It doesn't help much to get the // prompt back between initiating the attach and the target actually // stopping. So even if the interpreter is set to be asynchronous, we wait // for the stop ourselves here. StateType state = eStateInvalid; Process *process = m_exe_ctx.GetProcessPtr(); if (!StopProcessIfNecessary(process, state, result)) return false; if (target == nullptr) { // If there isn't a current target create one. TargetSP new_target_sp; Status error; error = GetDebugger().GetTargetList().CreateTarget( GetDebugger(), "", "", eLoadDependentsNo, nullptr, // No platform options new_target_sp); target = new_target_sp.get(); if (target == nullptr || error.Fail()) { result.AppendError(error.AsCString("Error creating target")); return false; } } // Record the old executable module, we want to issue a warning if the // process of attaching changed the current executable (like somebody said // "file foo" then attached to a PID whose executable was bar.) ModuleSP old_exec_module_sp = target->GetExecutableModule(); ArchSpec old_arch_spec = target->GetArchitecture(); if (command.GetArgumentCount()) { result.AppendErrorWithFormat("Invalid arguments for '%s'.\nUsage: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); return false; } StreamString stream; ProcessSP process_sp; const auto error = target->Attach(m_options.attach_info, &stream); if (error.Success()) { process_sp = target->GetProcessSP(); if (process_sp) { result.AppendMessage(stream.GetString()); result.SetStatus(eReturnStatusSuccessFinishNoResult); result.SetDidChangeProcessState(true); } else { result.AppendError( "no error returned from Target::Attach, and target has no process"); } } else { result.AppendErrorWithFormat("attach failed: %s\n", error.AsCString()); } if (!result.Succeeded()) return false; // Okay, we're done. Last step is to warn if the executable module has // changed: char new_path[PATH_MAX]; ModuleSP new_exec_module_sp(target->GetExecutableModule()); if (!old_exec_module_sp) { // We might not have a module if we attached to a raw pid... if (new_exec_module_sp) { new_exec_module_sp->GetFileSpec().GetPath(new_path, PATH_MAX); result.AppendMessageWithFormat("Executable module set to \"%s\".\n", new_path); } } else if (old_exec_module_sp->GetFileSpec() != new_exec_module_sp->GetFileSpec()) { char old_path[PATH_MAX]; old_exec_module_sp->GetFileSpec().GetPath(old_path, PATH_MAX); new_exec_module_sp->GetFileSpec().GetPath(new_path, PATH_MAX); result.AppendWarningWithFormat( "Executable module changed from \"%s\" to \"%s\".\n", old_path, new_path); } if (!old_arch_spec.IsValid()) { result.AppendMessageWithFormat( "Architecture set to: %s.\n", target->GetArchitecture().GetTriple().getTriple().c_str()); } else if (!old_arch_spec.IsExactMatch(target->GetArchitecture())) { result.AppendWarningWithFormat( "Architecture changed from %s to %s.\n", old_arch_spec.GetTriple().getTriple().c_str(), target->GetArchitecture().GetTriple().getTriple().c_str()); } // This supports the use-case scenario of immediately continuing the // process once attached. if (m_options.attach_info.GetContinueOnceAttached()) { // We have made a process but haven't told the interpreter about it yet, // so CheckRequirements will fail for "process continue". Set the override // here: ExecutionContext exe_ctx(process_sp); m_interpreter.HandleCommand("process continue", eLazyBoolNo, exe_ctx, result); } return result.Succeeded(); } CommandOptions m_options; }; // CommandObjectProcessContinue #define LLDB_OPTIONS_process_continue #include "CommandOptions.inc" #pragma mark CommandObjectProcessContinue class CommandObjectProcessContinue : public CommandObjectParsed { public: CommandObjectProcessContinue(CommandInterpreter &interpreter) : CommandObjectParsed( interpreter, "process continue", "Continue execution of all threads in the current process.", "process continue", eCommandRequiresProcess | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused), m_options() {} ~CommandObjectProcessContinue() override = default; protected: class CommandOptions : public Options { public: CommandOptions() : Options() { // Keep default values of all options in one place: OptionParsingStarting // () OptionParsingStarting(nullptr); } ~CommandOptions() override = default; Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, ExecutionContext *execution_context) override { Status error; const int short_option = m_getopt_table[option_idx].val; switch (short_option) { case 'i': if (option_arg.getAsInteger(0, m_ignore)) error.SetErrorStringWithFormat( "invalid value for ignore option: \"%s\", should be a number.", option_arg.str().c_str()); break; default: llvm_unreachable("Unimplemented option"); } return error; } void OptionParsingStarting(ExecutionContext *execution_context) override { m_ignore = 0; } llvm::ArrayRef GetDefinitions() override { return llvm::makeArrayRef(g_process_continue_options); } uint32_t m_ignore; }; bool DoExecute(Args &command, CommandReturnObject &result) override { Process *process = m_exe_ctx.GetProcessPtr(); bool synchronous_execution = m_interpreter.GetSynchronous(); StateType state = process->GetState(); if (state == eStateStopped) { if (command.GetArgumentCount() != 0) { result.AppendErrorWithFormat( "The '%s' command does not take any arguments.\n", m_cmd_name.c_str()); return false; } if (m_options.m_ignore > 0) { ThreadSP sel_thread_sp(GetDefaultThread()->shared_from_this()); if (sel_thread_sp) { StopInfoSP stop_info_sp = sel_thread_sp->GetStopInfo(); if (stop_info_sp && stop_info_sp->GetStopReason() == eStopReasonBreakpoint) { lldb::break_id_t bp_site_id = (lldb::break_id_t)stop_info_sp->GetValue(); BreakpointSiteSP bp_site_sp( process->GetBreakpointSiteList().FindByID(bp_site_id)); if (bp_site_sp) { const size_t num_owners = bp_site_sp->GetNumberOfOwners(); for (size_t i = 0; i < num_owners; i++) { Breakpoint &bp_ref = bp_site_sp->GetOwnerAtIndex(i)->GetBreakpoint(); if (!bp_ref.IsInternal()) { bp_ref.SetIgnoreCount(m_options.m_ignore); } } } } } } { // Scope for thread list mutex: std::lock_guard guard( process->GetThreadList().GetMutex()); const uint32_t num_threads = process->GetThreadList().GetSize(); // Set the actions that the threads should each take when resuming for (uint32_t idx = 0; idx < num_threads; ++idx) { const bool override_suspend = false; process->GetThreadList().GetThreadAtIndex(idx)->SetResumeState( eStateRunning, override_suspend); } } const uint32_t iohandler_id = process->GetIOHandlerID(); StreamString stream; Status error; if (synchronous_execution) error = process->ResumeSynchronous(&stream); else error = process->Resume(); if (error.Success()) { // There is a race condition where this thread will return up the call // stack to the main command handler and show an (lldb) prompt before // HandlePrivateEvent (from PrivateStateThread) has a chance to call // PushProcessIOHandler(). process->SyncIOHandler(iohandler_id, std::chrono::seconds(2)); result.AppendMessageWithFormat("Process %" PRIu64 " resuming\n", process->GetID()); if (synchronous_execution) { // If any state changed events had anything to say, add that to the // result result.AppendMessage(stream.GetString()); result.SetDidChangeProcessState(true); result.SetStatus(eReturnStatusSuccessFinishNoResult); } else { result.SetStatus(eReturnStatusSuccessContinuingNoResult); } } else { result.AppendErrorWithFormat("Failed to resume process: %s.\n", error.AsCString()); } } else { result.AppendErrorWithFormat( "Process cannot be continued from its current state (%s).\n", StateAsCString(state)); } return result.Succeeded(); } Options *GetOptions() override { return &m_options; } CommandOptions m_options; }; // CommandObjectProcessDetach #define LLDB_OPTIONS_process_detach #include "CommandOptions.inc" #pragma mark CommandObjectProcessDetach class CommandObjectProcessDetach : public CommandObjectParsed { public: class CommandOptions : public Options { public: CommandOptions() : Options() { OptionParsingStarting(nullptr); } ~CommandOptions() override = default; Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, ExecutionContext *execution_context) override { Status error; const int short_option = m_getopt_table[option_idx].val; switch (short_option) { case 's': bool tmp_result; bool success; tmp_result = OptionArgParser::ToBoolean(option_arg, false, &success); if (!success) error.SetErrorStringWithFormat("invalid boolean option: \"%s\"", option_arg.str().c_str()); else { if (tmp_result) m_keep_stopped = eLazyBoolYes; else m_keep_stopped = eLazyBoolNo; } break; default: llvm_unreachable("Unimplemented option"); } return error; } void OptionParsingStarting(ExecutionContext *execution_context) override { m_keep_stopped = eLazyBoolCalculate; } llvm::ArrayRef GetDefinitions() override { return llvm::makeArrayRef(g_process_detach_options); } // Instance variables to hold the values for command options. LazyBool m_keep_stopped; }; CommandObjectProcessDetach(CommandInterpreter &interpreter) : CommandObjectParsed(interpreter, "process detach", "Detach from the current target process.", "process detach", eCommandRequiresProcess | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched), m_options() {} ~CommandObjectProcessDetach() override = default; Options *GetOptions() override { return &m_options; } protected: bool DoExecute(Args &command, CommandReturnObject &result) override { Process *process = m_exe_ctx.GetProcessPtr(); // FIXME: This will be a Command Option: bool keep_stopped; if (m_options.m_keep_stopped == eLazyBoolCalculate) { // Check the process default: keep_stopped = process->GetDetachKeepsStopped(); } else if (m_options.m_keep_stopped == eLazyBoolYes) keep_stopped = true; else keep_stopped = false; Status error(process->Detach(keep_stopped)); if (error.Success()) { result.SetStatus(eReturnStatusSuccessFinishResult); } else { result.AppendErrorWithFormat("Detach failed: %s\n", error.AsCString()); return false; } return result.Succeeded(); } CommandOptions m_options; }; // CommandObjectProcessConnect #define LLDB_OPTIONS_process_connect #include "CommandOptions.inc" #pragma mark CommandObjectProcessConnect class CommandObjectProcessConnect : public CommandObjectParsed { public: class CommandOptions : public Options { public: CommandOptions() : Options() { // Keep default values of all options in one place: OptionParsingStarting // () OptionParsingStarting(nullptr); } ~CommandOptions() override = default; Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, ExecutionContext *execution_context) override { Status error; const int short_option = m_getopt_table[option_idx].val; switch (short_option) { case 'p': plugin_name.assign(std::string(option_arg)); break; default: llvm_unreachable("Unimplemented option"); } return error; } void OptionParsingStarting(ExecutionContext *execution_context) override { plugin_name.clear(); } llvm::ArrayRef GetDefinitions() override { return llvm::makeArrayRef(g_process_connect_options); } // Instance variables to hold the values for command options. std::string plugin_name; }; CommandObjectProcessConnect(CommandInterpreter &interpreter) : CommandObjectParsed(interpreter, "process connect", "Connect to a remote debug service.", "process connect ", 0), m_options() {} ~CommandObjectProcessConnect() override = default; Options *GetOptions() override { return &m_options; } protected: bool DoExecute(Args &command, CommandReturnObject &result) override { if (command.GetArgumentCount() != 1) { result.AppendErrorWithFormat( "'%s' takes exactly one argument:\nUsage: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); return false; } Process *process = m_exe_ctx.GetProcessPtr(); if (process && process->IsAlive()) { result.AppendErrorWithFormat( "Process %" PRIu64 " is currently being debugged, kill the process before connecting.\n", process->GetID()); return false; } const char *plugin_name = nullptr; if (!m_options.plugin_name.empty()) plugin_name = m_options.plugin_name.c_str(); Status error; Debugger &debugger = GetDebugger(); PlatformSP platform_sp = m_interpreter.GetPlatform(true); ProcessSP process_sp = debugger.GetAsyncExecution() ? platform_sp->ConnectProcess( command.GetArgumentAtIndex(0), plugin_name, debugger, debugger.GetSelectedTarget().get(), error) : platform_sp->ConnectProcessSynchronous( command.GetArgumentAtIndex(0), plugin_name, debugger, result.GetOutputStream(), debugger.GetSelectedTarget().get(), error); if (error.Fail() || process_sp == nullptr) { result.AppendError(error.AsCString("Error connecting to the process")); return false; } return true; } CommandOptions m_options; }; // CommandObjectProcessPlugin #pragma mark CommandObjectProcessPlugin class CommandObjectProcessPlugin : public CommandObjectProxy { public: CommandObjectProcessPlugin(CommandInterpreter &interpreter) : CommandObjectProxy( interpreter, "process plugin", "Send a custom command to the current target process plug-in.", "process plugin ", 0) {} ~CommandObjectProcessPlugin() override = default; CommandObject *GetProxyCommandObject() override { Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); if (process) return process->GetPluginCommandObject(); return nullptr; } }; // CommandObjectProcessLoad #define LLDB_OPTIONS_process_load #include "CommandOptions.inc" #pragma mark CommandObjectProcessLoad class CommandObjectProcessLoad : public CommandObjectParsed { public: class CommandOptions : public Options { public: CommandOptions() : Options() { // Keep default values of all options in one place: OptionParsingStarting // () OptionParsingStarting(nullptr); } ~CommandOptions() override = default; Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, ExecutionContext *execution_context) override { Status error; const int short_option = m_getopt_table[option_idx].val; switch (short_option) { case 'i': do_install = true; if (!option_arg.empty()) install_path.SetFile(option_arg, FileSpec::Style::native); break; default: llvm_unreachable("Unimplemented option"); } return error; } void OptionParsingStarting(ExecutionContext *execution_context) override { do_install = false; install_path.Clear(); } llvm::ArrayRef GetDefinitions() override { return llvm::makeArrayRef(g_process_load_options); } // Instance variables to hold the values for command options. bool do_install; FileSpec install_path; }; CommandObjectProcessLoad(CommandInterpreter &interpreter) : CommandObjectParsed(interpreter, "process load", "Load a shared library into the current process.", "process load [ ...]", eCommandRequiresProcess | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused), m_options() {} ~CommandObjectProcessLoad() override = default; void HandleArgumentCompletion(CompletionRequest &request, OptionElementVector &opt_element_vector) override { if (!m_exe_ctx.HasProcessScope()) return; CommandCompletions::InvokeCommonCompletionCallbacks( GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion, request, nullptr); } Options *GetOptions() override { return &m_options; } protected: bool DoExecute(Args &command, CommandReturnObject &result) override { Process *process = m_exe_ctx.GetProcessPtr(); for (auto &entry : command.entries()) { Status error; PlatformSP platform = process->GetTarget().GetPlatform(); llvm::StringRef image_path = entry.ref(); uint32_t image_token = LLDB_INVALID_IMAGE_TOKEN; if (!m_options.do_install) { FileSpec image_spec(image_path); platform->ResolveRemotePath(image_spec, image_spec); image_token = platform->LoadImage(process, FileSpec(), image_spec, error); } else if (m_options.install_path) { FileSpec image_spec(image_path); FileSystem::Instance().Resolve(image_spec); platform->ResolveRemotePath(m_options.install_path, m_options.install_path); image_token = platform->LoadImage(process, image_spec, m_options.install_path, error); } else { FileSpec image_spec(image_path); FileSystem::Instance().Resolve(image_spec); image_token = platform->LoadImage(process, image_spec, FileSpec(), error); } if (image_token != LLDB_INVALID_IMAGE_TOKEN) { result.AppendMessageWithFormat( "Loading \"%s\"...ok\nImage %u loaded.\n", image_path.str().c_str(), image_token); result.SetStatus(eReturnStatusSuccessFinishResult); } else { result.AppendErrorWithFormat("failed to load '%s': %s", image_path.str().c_str(), error.AsCString()); } } return result.Succeeded(); } CommandOptions m_options; }; // CommandObjectProcessUnload #pragma mark CommandObjectProcessUnload class CommandObjectProcessUnload : public CommandObjectParsed { public: CommandObjectProcessUnload(CommandInterpreter &interpreter) : CommandObjectParsed( interpreter, "process unload", "Unload a shared library from the current process using the index " "returned by a previous call to \"process load\".", "process unload ", eCommandRequiresProcess | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) {} ~CommandObjectProcessUnload() override = default; void HandleArgumentCompletion(CompletionRequest &request, OptionElementVector &opt_element_vector) override { if (request.GetCursorIndex() || !m_exe_ctx.HasProcessScope()) return; Process *process = m_exe_ctx.GetProcessPtr(); const std::vector &tokens = process->GetImageTokens(); const size_t token_num = tokens.size(); for (size_t i = 0; i < token_num; ++i) { if (tokens[i] == LLDB_INVALID_IMAGE_TOKEN) continue; request.TryCompleteCurrentArg(std::to_string(i)); } } protected: bool DoExecute(Args &command, CommandReturnObject &result) override { Process *process = m_exe_ctx.GetProcessPtr(); for (auto &entry : command.entries()) { uint32_t image_token; if (entry.ref().getAsInteger(0, image_token)) { result.AppendErrorWithFormat("invalid image index argument '%s'", entry.ref().str().c_str()); break; } else { Status error(process->GetTarget().GetPlatform()->UnloadImage( process, image_token)); if (error.Success()) { result.AppendMessageWithFormat( "Unloading shared library with index %u...ok\n", image_token); result.SetStatus(eReturnStatusSuccessFinishResult); } else { result.AppendErrorWithFormat("failed to unload image: %s", error.AsCString()); break; } } } return result.Succeeded(); } }; // CommandObjectProcessSignal #pragma mark CommandObjectProcessSignal class CommandObjectProcessSignal : public CommandObjectParsed { public: CommandObjectProcessSignal(CommandInterpreter &interpreter) : CommandObjectParsed( interpreter, "process signal", "Send a UNIX signal to the current target process.", nullptr, eCommandRequiresProcess | eCommandTryTargetAPILock) { CommandArgumentEntry arg; CommandArgumentData signal_arg; // Define the first (and only) variant of this arg. signal_arg.arg_type = eArgTypeUnixSignal; signal_arg.arg_repetition = eArgRepeatPlain; // There is only one variant this argument could be; put it into the // argument entry. arg.push_back(signal_arg); // Push the data for the first argument into the m_arguments vector. m_arguments.push_back(arg); } ~CommandObjectProcessSignal() override = default; void HandleArgumentCompletion(CompletionRequest &request, OptionElementVector &opt_element_vector) override { if (!m_exe_ctx.HasProcessScope() || request.GetCursorIndex() != 0) return; UnixSignalsSP signals = m_exe_ctx.GetProcessPtr()->GetUnixSignals(); int signo = signals->GetFirstSignalNumber(); while (signo != LLDB_INVALID_SIGNAL_NUMBER) { request.TryCompleteCurrentArg(signals->GetSignalAsCString(signo)); signo = signals->GetNextSignalNumber(signo); } } protected: bool DoExecute(Args &command, CommandReturnObject &result) override { Process *process = m_exe_ctx.GetProcessPtr(); if (command.GetArgumentCount() == 1) { int signo = LLDB_INVALID_SIGNAL_NUMBER; const char *signal_name = command.GetArgumentAtIndex(0); if (::isxdigit(signal_name[0])) { if (!llvm::to_integer(signal_name, signo)) signo = LLDB_INVALID_SIGNAL_NUMBER; } else signo = process->GetUnixSignals()->GetSignalNumberFromName(signal_name); if (signo == LLDB_INVALID_SIGNAL_NUMBER) { result.AppendErrorWithFormat("Invalid signal argument '%s'.\n", command.GetArgumentAtIndex(0)); } else { Status error(process->Signal(signo)); if (error.Success()) { result.SetStatus(eReturnStatusSuccessFinishResult); } else { result.AppendErrorWithFormat("Failed to send signal %i: %s\n", signo, error.AsCString()); } } } else { result.AppendErrorWithFormat( "'%s' takes exactly one signal number argument:\nUsage: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); } return result.Succeeded(); } }; // CommandObjectProcessInterrupt #pragma mark CommandObjectProcessInterrupt class CommandObjectProcessInterrupt : public CommandObjectParsed { public: CommandObjectProcessInterrupt(CommandInterpreter &interpreter) : CommandObjectParsed(interpreter, "process interrupt", "Interrupt the current target process.", "process interrupt", eCommandRequiresProcess | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched) {} ~CommandObjectProcessInterrupt() override = default; protected: bool DoExecute(Args &command, CommandReturnObject &result) override { Process *process = m_exe_ctx.GetProcessPtr(); if (process == nullptr) { result.AppendError("no process to halt"); return false; } if (command.GetArgumentCount() == 0) { bool clear_thread_plans = true; Status error(process->Halt(clear_thread_plans)); if (error.Success()) { result.SetStatus(eReturnStatusSuccessFinishResult); } else { result.AppendErrorWithFormat("Failed to halt process: %s\n", error.AsCString()); } } else { result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); } return result.Succeeded(); } }; // CommandObjectProcessKill #pragma mark CommandObjectProcessKill class CommandObjectProcessKill : public CommandObjectParsed { public: CommandObjectProcessKill(CommandInterpreter &interpreter) : CommandObjectParsed(interpreter, "process kill", "Terminate the current target process.", "process kill", eCommandRequiresProcess | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched) {} ~CommandObjectProcessKill() override = default; protected: bool DoExecute(Args &command, CommandReturnObject &result) override { Process *process = m_exe_ctx.GetProcessPtr(); if (process == nullptr) { result.AppendError("no process to kill"); return false; } if (command.GetArgumentCount() == 0) { Status error(process->Destroy(true)); if (error.Success()) { result.SetStatus(eReturnStatusSuccessFinishResult); } else { result.AppendErrorWithFormat("Failed to kill process: %s\n", error.AsCString()); } } else { result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); } return result.Succeeded(); } }; // CommandObjectProcessSaveCore #pragma mark CommandObjectProcessSaveCore static constexpr OptionEnumValueElement g_corefile_save_style[] = { {eSaveCoreFull, "full", "Create a core file with all memory saved"}, {eSaveCoreDirtyOnly, "modified-memory", "Create a corefile with only modified memory saved"}, {eSaveCoreStackOnly, "stack", "Create a corefile with only stack memory saved"}}; static constexpr OptionEnumValues SaveCoreStyles() { return OptionEnumValues(g_corefile_save_style); } #define LLDB_OPTIONS_process_save_core #include "CommandOptions.inc" class CommandObjectProcessSaveCore : public CommandObjectParsed { public: CommandObjectProcessSaveCore(CommandInterpreter &interpreter) : CommandObjectParsed( interpreter, "process save-core", "Save the current process as a core file using an " "appropriate file type.", "process save-core [-s corefile-style -p plugin-name] FILE", eCommandRequiresProcess | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched) {} ~CommandObjectProcessSaveCore() override = default; Options *GetOptions() override { return &m_options; } class CommandOptions : public Options { public: CommandOptions() : Options(), m_requested_save_core_style(eSaveCoreUnspecified) {} ~CommandOptions() override = default; llvm::ArrayRef GetDefinitions() override { return llvm::makeArrayRef(g_process_save_core_options); } Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, ExecutionContext *execution_context) override { const int short_option = m_getopt_table[option_idx].val; Status error; switch (short_option) { case 'p': m_requested_plugin_name = option_arg.str(); break; case 's': m_requested_save_core_style = (lldb::SaveCoreStyle)OptionArgParser::ToOptionEnum( option_arg, GetDefinitions()[option_idx].enum_values, eSaveCoreUnspecified, error); break; default: llvm_unreachable("Unimplemented option"); } return {}; } void OptionParsingStarting(ExecutionContext *execution_context) override { m_requested_save_core_style = eSaveCoreUnspecified; m_requested_plugin_name.clear(); } // Instance variables to hold the values for command options. SaveCoreStyle m_requested_save_core_style; std::string m_requested_plugin_name; }; protected: bool DoExecute(Args &command, CommandReturnObject &result) override { ProcessSP process_sp = m_exe_ctx.GetProcessSP(); if (process_sp) { if (command.GetArgumentCount() == 1) { FileSpec output_file(command.GetArgumentAtIndex(0)); SaveCoreStyle corefile_style = m_options.m_requested_save_core_style; Status error = PluginManager::SaveCore(process_sp, output_file, corefile_style, m_options.m_requested_plugin_name); if (error.Success()) { if (corefile_style == SaveCoreStyle::eSaveCoreDirtyOnly || corefile_style == SaveCoreStyle::eSaveCoreStackOnly) { result.AppendMessageWithFormat( "\nModified-memory or stack-memory only corefile " "created. This corefile may \n" "not show library/framework/app binaries " "on a different system, or when \n" "those binaries have " "been updated/modified. Copies are not included\n" "in this corefile. Use --style full to include all " "process memory.\n"); } result.SetStatus(eReturnStatusSuccessFinishResult); } else { result.AppendErrorWithFormat( "Failed to save core file for process: %s\n", error.AsCString()); } } else { result.AppendErrorWithFormat("'%s' takes one arguments:\nUsage: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); } } else { result.AppendError("invalid process"); return false; } return result.Succeeded(); } CommandOptions m_options; }; // CommandObjectProcessStatus #pragma mark CommandObjectProcessStatus #define LLDB_OPTIONS_process_status #include "CommandOptions.inc" class CommandObjectProcessStatus : public CommandObjectParsed { public: CommandObjectProcessStatus(CommandInterpreter &interpreter) : CommandObjectParsed( interpreter, "process status", "Show status and stop location for the current target process.", "process status", eCommandRequiresProcess | eCommandTryTargetAPILock), m_options() {} ~CommandObjectProcessStatus() override = default; Options *GetOptions() override { return &m_options; } class CommandOptions : public Options { public: CommandOptions() : Options() {} ~CommandOptions() override = default; Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, ExecutionContext *execution_context) override { const int short_option = m_getopt_table[option_idx].val; switch (short_option) { case 'v': m_verbose = true; break; default: llvm_unreachable("Unimplemented option"); } return {}; } void OptionParsingStarting(ExecutionContext *execution_context) override { m_verbose = false; } llvm::ArrayRef GetDefinitions() override { return llvm::makeArrayRef(g_process_status_options); } // Instance variables to hold the values for command options. bool m_verbose = false; }; protected: bool DoExecute(Args &command, CommandReturnObject &result) override { Stream &strm = result.GetOutputStream(); result.SetStatus(eReturnStatusSuccessFinishNoResult); if (command.GetArgumentCount()) { result.AppendError("'process status' takes no arguments"); return result.Succeeded(); } // No need to check "process" for validity as eCommandRequiresProcess // ensures it is valid Process *process = m_exe_ctx.GetProcessPtr(); const bool only_threads_with_stop_reason = true; const uint32_t start_frame = 0; const uint32_t num_frames = 1; const uint32_t num_frames_with_source = 1; const bool stop_format = true; process->GetStatus(strm); process->GetThreadStatus(strm, only_threads_with_stop_reason, start_frame, num_frames, num_frames_with_source, stop_format); if (m_options.m_verbose) { addr_t code_mask = process->GetCodeAddressMask(); addr_t data_mask = process->GetDataAddressMask(); if (code_mask != 0) { int bits = std::bitset<64>(~code_mask).count(); result.AppendMessageWithFormat( "Addressable code address mask: 0x%" PRIx64 "\n", code_mask); result.AppendMessageWithFormat( "Addressable data address mask: 0x%" PRIx64 "\n", data_mask); result.AppendMessageWithFormat( "Number of bits used in addressing (code): %d\n", bits); } PlatformSP platform_sp = process->GetTarget().GetPlatform(); if (!platform_sp) { result.AppendError("Couldn'retrieve the target's platform"); return result.Succeeded(); } auto expected_crash_info = platform_sp->FetchExtendedCrashInformation(*process); if (!expected_crash_info) { result.AppendError(llvm::toString(expected_crash_info.takeError())); return result.Succeeded(); } StructuredData::DictionarySP crash_info_sp = *expected_crash_info; if (crash_info_sp) { strm.PutCString("Extended Crash Information:\n"); crash_info_sp->Dump(strm); } } return result.Succeeded(); } private: CommandOptions m_options; }; // CommandObjectProcessHandle #define LLDB_OPTIONS_process_handle #include "CommandOptions.inc" #pragma mark CommandObjectProcessHandle class CommandObjectProcessHandle : public CommandObjectParsed { public: class CommandOptions : public Options { public: CommandOptions() : Options() { OptionParsingStarting(nullptr); } ~CommandOptions() override = default; Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, ExecutionContext *execution_context) override { Status error; const int short_option = m_getopt_table[option_idx].val; switch (short_option) { case 's': stop = std::string(option_arg); break; case 'n': notify = std::string(option_arg); break; case 'p': pass = std::string(option_arg); break; default: llvm_unreachable("Unimplemented option"); } return error; } void OptionParsingStarting(ExecutionContext *execution_context) override { stop.clear(); notify.clear(); pass.clear(); } llvm::ArrayRef GetDefinitions() override { return llvm::makeArrayRef(g_process_handle_options); } // Instance variables to hold the values for command options. std::string stop; std::string notify; std::string pass; }; CommandObjectProcessHandle(CommandInterpreter &interpreter) : CommandObjectParsed(interpreter, "process handle", "Manage LLDB handling of OS signals for the " "current target process. Defaults to showing " "current policy.", nullptr, eCommandRequiresTarget), m_options() { SetHelpLong("\nIf no signals are specified, update them all. If no update " "option is specified, list the current values."); CommandArgumentEntry arg; CommandArgumentData signal_arg; signal_arg.arg_type = eArgTypeUnixSignal; signal_arg.arg_repetition = eArgRepeatStar; arg.push_back(signal_arg); m_arguments.push_back(arg); } ~CommandObjectProcessHandle() override = default; Options *GetOptions() override { return &m_options; } bool VerifyCommandOptionValue(const std::string &option, int &real_value) { bool okay = true; bool success = false; bool tmp_value = OptionArgParser::ToBoolean(option, false, &success); if (success && tmp_value) real_value = 1; else if (success && !tmp_value) real_value = 0; else { // If the value isn't 'true' or 'false', it had better be 0 or 1. if (!llvm::to_integer(option, real_value)) real_value = 3; if (real_value != 0 && real_value != 1) okay = false; } return okay; } void PrintSignalHeader(Stream &str) { str.Printf("NAME PASS STOP NOTIFY\n"); str.Printf("=========== ===== ===== ======\n"); } void PrintSignal(Stream &str, int32_t signo, const char *sig_name, const UnixSignalsSP &signals_sp) { bool stop; bool suppress; bool notify; str.Printf("%-11s ", sig_name); if (signals_sp->GetSignalInfo(signo, suppress, stop, notify)) { bool pass = !suppress; str.Printf("%s %s %s", (pass ? "true " : "false"), (stop ? "true " : "false"), (notify ? "true " : "false")); } str.Printf("\n"); } void PrintSignalInformation(Stream &str, Args &signal_args, int num_valid_signals, const UnixSignalsSP &signals_sp) { PrintSignalHeader(str); if (num_valid_signals > 0) { size_t num_args = signal_args.GetArgumentCount(); for (size_t i = 0; i < num_args; ++i) { int32_t signo = signals_sp->GetSignalNumberFromName( signal_args.GetArgumentAtIndex(i)); if (signo != LLDB_INVALID_SIGNAL_NUMBER) PrintSignal(str, signo, signal_args.GetArgumentAtIndex(i), signals_sp); } } else // Print info for ALL signals { int32_t signo = signals_sp->GetFirstSignalNumber(); while (signo != LLDB_INVALID_SIGNAL_NUMBER) { PrintSignal(str, signo, signals_sp->GetSignalAsCString(signo), signals_sp); signo = signals_sp->GetNextSignalNumber(signo); } } } protected: bool DoExecute(Args &signal_args, CommandReturnObject &result) override { Target *target_sp = &GetSelectedTarget(); ProcessSP process_sp = target_sp->GetProcessSP(); if (!process_sp) { result.AppendError("No current process; cannot handle signals until you " "have a valid process.\n"); return false; } int stop_action = -1; // -1 means leave the current setting alone int pass_action = -1; // -1 means leave the current setting alone int notify_action = -1; // -1 means leave the current setting alone if (!m_options.stop.empty() && !VerifyCommandOptionValue(m_options.stop, stop_action)) { result.AppendError("Invalid argument for command option --stop; must be " "true or false.\n"); return false; } if (!m_options.notify.empty() && !VerifyCommandOptionValue(m_options.notify, notify_action)) { result.AppendError("Invalid argument for command option --notify; must " "be true or false.\n"); return false; } if (!m_options.pass.empty() && !VerifyCommandOptionValue(m_options.pass, pass_action)) { result.AppendError("Invalid argument for command option --pass; must be " "true or false.\n"); return false; } size_t num_args = signal_args.GetArgumentCount(); UnixSignalsSP signals_sp = process_sp->GetUnixSignals(); int num_signals_set = 0; if (num_args > 0) { for (const auto &arg : signal_args) { int32_t signo = signals_sp->GetSignalNumberFromName(arg.c_str()); if (signo != LLDB_INVALID_SIGNAL_NUMBER) { // Casting the actions as bools here should be okay, because // VerifyCommandOptionValue guarantees the value is either 0 or 1. if (stop_action != -1) signals_sp->SetShouldStop(signo, stop_action); if (pass_action != -1) { bool suppress = !pass_action; signals_sp->SetShouldSuppress(signo, suppress); } if (notify_action != -1) signals_sp->SetShouldNotify(signo, notify_action); ++num_signals_set; } else { result.AppendErrorWithFormat("Invalid signal name '%s'\n", arg.c_str()); } } } else { // No signal specified, if any command options were specified, update ALL // signals. if ((notify_action != -1) || (stop_action != -1) || (pass_action != -1)) { if (m_interpreter.Confirm( "Do you really want to update all the signals?", false)) { int32_t signo = signals_sp->GetFirstSignalNumber(); while (signo != LLDB_INVALID_SIGNAL_NUMBER) { if (notify_action != -1) signals_sp->SetShouldNotify(signo, notify_action); if (stop_action != -1) signals_sp->SetShouldStop(signo, stop_action); if (pass_action != -1) { bool suppress = !pass_action; signals_sp->SetShouldSuppress(signo, suppress); } signo = signals_sp->GetNextSignalNumber(signo); } } } } PrintSignalInformation(result.GetOutputStream(), signal_args, num_signals_set, signals_sp); if (num_signals_set > 0) result.SetStatus(eReturnStatusSuccessFinishNoResult); else result.SetStatus(eReturnStatusFailed); return result.Succeeded(); } CommandOptions m_options; }; // Next are the subcommands of CommandObjectMultiwordProcessTrace // CommandObjectProcessTraceStart class CommandObjectProcessTraceStart : public CommandObjectTraceProxy { public: CommandObjectProcessTraceStart(CommandInterpreter &interpreter) : CommandObjectTraceProxy( /*live_debug_session_only*/ true, interpreter, "process trace start", "Start tracing this process with the corresponding trace " "plug-in.", "process trace start []") {} protected: lldb::CommandObjectSP GetDelegateCommand(Trace &trace) override { return trace.GetProcessTraceStartCommand(m_interpreter); } }; // CommandObjectProcessTraceSave #define LLDB_OPTIONS_process_trace_save #include "CommandOptions.inc" #pragma mark CommandObjectProcessTraceSave class CommandObjectProcessTraceSave : public CommandObjectParsed { public: class CommandOptions : public Options { public: CommandOptions() : Options() { OptionParsingStarting(nullptr); } Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, ExecutionContext *execution_context) override { Status error; const int short_option = m_getopt_table[option_idx].val; switch (short_option) { case 'd': { m_directory.SetFile(option_arg, FileSpec::Style::native); FileSystem::Instance().Resolve(m_directory); break; } default: llvm_unreachable("Unimplemented option"); } return error; } void OptionParsingStarting(ExecutionContext *execution_context) override{}; llvm::ArrayRef GetDefinitions() override { return llvm::makeArrayRef(g_process_trace_save_options); }; FileSpec m_directory; }; Options *GetOptions() override { return &m_options; } CommandObjectProcessTraceSave(CommandInterpreter &interpreter) : CommandObjectParsed( interpreter, "process trace save", "Save the trace of the current process in the specified directory. " "The directory will be created if needed. " "This will also create a file /trace.json with the main " "properties of the trace session, along with others files which " "contain the actual trace data. The trace.json file can be used " "later as input for the \"trace load\" command to load the trace " "in LLDB", "process trace save []", eCommandRequiresProcess | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused | eCommandProcessMustBeTraced) {} ~CommandObjectProcessTraceSave() override = default; protected: bool DoExecute(Args &command, CommandReturnObject &result) override { ProcessSP process_sp = m_exe_ctx.GetProcessSP(); TraceSP trace_sp = process_sp->GetTarget().GetTrace(); if (llvm::Error err = trace_sp->SaveLiveTraceToDisk(m_options.m_directory)) result.AppendError(toString(std::move(err))); else result.SetStatus(eReturnStatusSuccessFinishResult); return result.Succeeded(); } CommandOptions m_options; }; // CommandObjectProcessTraceStop class CommandObjectProcessTraceStop : public CommandObjectParsed { public: CommandObjectProcessTraceStop(CommandInterpreter &interpreter) : CommandObjectParsed(interpreter, "process trace stop", "Stop tracing this process. This does not affect " "traces started with the " "\"thread trace start\" command.", "process trace stop", eCommandRequiresProcess | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused | eCommandProcessMustBeTraced) {} ~CommandObjectProcessTraceStop() override = default; bool DoExecute(Args &command, CommandReturnObject &result) override { ProcessSP process_sp = m_exe_ctx.GetProcessSP(); TraceSP trace_sp = process_sp->GetTarget().GetTrace(); if (llvm::Error err = trace_sp->Stop()) result.AppendError(toString(std::move(err))); else result.SetStatus(eReturnStatusSuccessFinishResult); return result.Succeeded(); } }; // CommandObjectMultiwordProcessTrace class CommandObjectMultiwordProcessTrace : public CommandObjectMultiword { public: CommandObjectMultiwordProcessTrace(CommandInterpreter &interpreter) : CommandObjectMultiword( interpreter, "trace", "Commands for tracing the current process.", "process trace []") { LoadSubCommand("save", CommandObjectSP( new CommandObjectProcessTraceSave(interpreter))); LoadSubCommand("start", CommandObjectSP(new CommandObjectProcessTraceStart( interpreter))); LoadSubCommand("stop", CommandObjectSP( new CommandObjectProcessTraceStop(interpreter))); } ~CommandObjectMultiwordProcessTrace() override = default; }; // CommandObjectMultiwordProcess CommandObjectMultiwordProcess::CommandObjectMultiwordProcess( CommandInterpreter &interpreter) : CommandObjectMultiword( interpreter, "process", "Commands for interacting with processes on the current platform.", "process []") { LoadSubCommand("attach", CommandObjectSP(new CommandObjectProcessAttach(interpreter))); LoadSubCommand("launch", CommandObjectSP(new CommandObjectProcessLaunch(interpreter))); LoadSubCommand("continue", CommandObjectSP(new CommandObjectProcessContinue( interpreter))); LoadSubCommand("connect", CommandObjectSP(new CommandObjectProcessConnect(interpreter))); LoadSubCommand("detach", CommandObjectSP(new CommandObjectProcessDetach(interpreter))); LoadSubCommand("load", CommandObjectSP(new CommandObjectProcessLoad(interpreter))); LoadSubCommand("unload", CommandObjectSP(new CommandObjectProcessUnload(interpreter))); LoadSubCommand("signal", CommandObjectSP(new CommandObjectProcessSignal(interpreter))); LoadSubCommand("handle", CommandObjectSP(new CommandObjectProcessHandle(interpreter))); LoadSubCommand("status", CommandObjectSP(new CommandObjectProcessStatus(interpreter))); LoadSubCommand("interrupt", CommandObjectSP(new CommandObjectProcessInterrupt( interpreter))); LoadSubCommand("kill", CommandObjectSP(new CommandObjectProcessKill(interpreter))); LoadSubCommand("plugin", CommandObjectSP(new CommandObjectProcessPlugin(interpreter))); LoadSubCommand("save-core", CommandObjectSP(new CommandObjectProcessSaveCore( interpreter))); LoadSubCommand( "trace", CommandObjectSP(new CommandObjectMultiwordProcessTrace(interpreter))); } CommandObjectMultiwordProcess::~CommandObjectMultiwordProcess() = default;