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Diffstat (limited to 'contrib/llvm-project/lldb/source/Commands/CommandObjectProcess.cpp')
| -rw-r--r-- | contrib/llvm-project/lldb/source/Commands/CommandObjectProcess.cpp | 1568 |
1 files changed, 1568 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Commands/CommandObjectProcess.cpp b/contrib/llvm-project/lldb/source/Commands/CommandObjectProcess.cpp new file mode 100644 index 000000000000..b20a2d533332 --- /dev/null +++ b/contrib/llvm-project/lldb/source/Commands/CommandObjectProcess.cpp @@ -0,0 +1,1568 @@ +//===-- CommandObjectProcess.cpp --------------------------------*- C++ -*-===// +// +// 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 "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/Host.h" +#include "lldb/Host/OptionParser.h" +#include "lldb/Host/StringConvert.h" +#include "lldb/Interpreter/CommandInterpreter.h" +#include "lldb/Interpreter/CommandReturnObject.h" +#include "lldb/Interpreter/OptionArgParser.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" + +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) { + char message[1024]; + if (process->GetState() == eStateAttaching) + ::snprintf(message, sizeof(message), + "There is a pending attach, abort it and %s?", + m_new_process_action.c_str()); + else if (process->GetShouldDetach()) + ::snprintf(message, sizeof(message), + "There is a running process, detach from it and %s?", + m_new_process_action.c_str()); + else + ::snprintf(message, sizeof(message), + "There is a running process, kill it and %s?", + m_new_process_action.c_str()); + + 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()); + result.SetStatus(eReturnStatusFailed); + } + } 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()); + result.SetStatus(eReturnStatusFailed); + } + } + } + } + } + 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() { + 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; + + int HandleArgumentCompletion( + CompletionRequest &request, + OptionElementVector &opt_element_vector) override { + + CommandCompletions::InvokeCommonCompletionCallbacks( + GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion, + request, nullptr); + return request.GetNumberOfMatches(); + } + + Options *GetOptions() override { return &m_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"); + result.SetStatus(eReturnStatusFailed); + return false; + } + + StateType state = eStateInvalid; + + if (!StopProcessIfNecessary(m_exe_ctx.GetProcessPtr(), state, result)) + return false; + + llvm::StringRef target_settings_argv0 = target->GetArg0(); + + // 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 (disable_aslr) + m_options.launch_info.GetFlags().Set(eLaunchFlagDisableASLR); + else + m_options.launch_info.GetFlags().Clear(eLaunchFlagDisableASLR); + + 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()); + + 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"); + result.SetStatus(eReturnStatusFailed); + } + } else { + result.AppendError(error.AsCString()); + result.SetStatus(eReturnStatusFailed); + } + return result.Succeeded(); + } + +protected: + ProcessLaunchCommandOptions m_options; +}; + +static constexpr OptionDefinition g_process_attach_options[] = { + // clang-format off + { LLDB_OPT_SET_ALL, false, "continue", 'c', OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, "Immediately continue the process once attached." }, + { LLDB_OPT_SET_ALL, false, "plugin", 'P', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypePlugin, "Name of the process plugin you want to use." }, + { LLDB_OPT_SET_1, false, "pid", 'p', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypePid, "The process ID of an existing process to attach to." }, + { LLDB_OPT_SET_2, false, "name", 'n', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeProcessName, "The name of the process to attach to." }, + { LLDB_OPT_SET_2, false, "include-existing", 'i', OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, "Include existing processes when doing attach -w." }, + { LLDB_OPT_SET_2, false, "waitfor", 'w', OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, "Wait for the process with <process-name> to launch." }, + // clang-format on +}; + +#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: + error.SetErrorStringWithFormat("invalid short option character '%c'", + short_option); + break; + } + return error; + } + + void OptionParsingStarting(ExecutionContext *execution_context) override { + attach_info.Clear(); + } + + llvm::ArrayRef<OptionDefinition> GetDefinitions() override { + return llvm::makeArrayRef(g_process_attach_options); + } + + bool HandleOptionArgumentCompletion( + CompletionRequest &request, OptionElementVector &opt_element_vector, + int opt_element_index, CommandInterpreter &interpreter) override { + int opt_arg_pos = opt_element_vector[opt_element_index].opt_arg_pos; + int opt_defs_index = opt_element_vector[opt_element_index].opt_defs_index; + + // We are only completing the name option for now... + + if (GetDefinitions()[opt_defs_index].short_option == 'n') { + // Are we in the name? + + // Look to see if there is a -P argument provided, and if so use that + // plugin, otherwise use the default plugin. + + const char *partial_name = nullptr; + partial_name = request.GetParsedLine().GetArgumentAtIndex(opt_arg_pos); + + PlatformSP platform_sp(interpreter.GetPlatform(true)); + if (platform_sp) { + ProcessInstanceInfoList process_infos; + ProcessInstanceInfoMatch match_info; + if (partial_name) { + match_info.GetProcessInfo().GetExecutableFile().SetFile( + partial_name, FileSpec::Style::native); + match_info.SetNameMatchType(NameMatch::StartsWith); + } + platform_sp->FindProcesses(match_info, process_infos); + const size_t num_matches = process_infos.GetSize(); + if (num_matches > 0) { + for (size_t i = 0; i < num_matches; ++i) { + request.AddCompletion(llvm::StringRef( + process_infos.GetProcessNameAtIndex(i), + process_infos.GetProcessNameLengthAtIndex(i))); + } + } + } + } + + return false; + } + + // Instance variables to hold the values for command options. + + ProcessAttachInfo attach_info; + }; + + CommandObjectProcessAttach(CommandInterpreter &interpreter) + : CommandObjectProcessLaunchOrAttach( + interpreter, "process attach", "Attach to a process.", + "process attach <cmd-options>", 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; + } + GetDebugger().GetTargetList().SetSelectedTarget(target); + } + + // 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()); + result.SetStatus(eReturnStatusFailed); + return false; + } + + m_interpreter.UpdateExecutionContext(nullptr); + StreamString stream; + const auto error = target->Attach(m_options.attach_info, &stream); + if (error.Success()) { + ProcessSP process_sp(target->GetProcessSP()); + if (process_sp) { + result.AppendMessage(stream.GetString()); + result.SetStatus(eReturnStatusSuccessFinishNoResult); + result.SetDidChangeProcessState(true); + result.SetAbnormalStopWasExpected(true); + } else { + result.AppendError( + "no error returned from Target::Attach, and target has no process"); + result.SetStatus(eReturnStatusFailed); + } + } else { + result.AppendErrorWithFormat("attach failed: %s\n", error.AsCString()); + result.SetStatus(eReturnStatusFailed); + } + + 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()) + m_interpreter.HandleCommand("process continue", eLazyBoolNo, result); + + return result.Succeeded(); + } + + CommandOptions m_options; +}; + +// CommandObjectProcessContinue + +static constexpr OptionDefinition g_process_continue_options[] = { + // clang-format off + { LLDB_OPT_SET_ALL, false, "ignore-count",'i', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeUnsignedInteger, "Ignore <N> crossings of the breakpoint (if it exists) for the currently selected thread." } + // clang-format on +}; + +#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: + error.SetErrorStringWithFormat("invalid short option character '%c'", + short_option); + break; + } + return error; + } + + void OptionParsingStarting(ExecutionContext *execution_context) override { + m_ignore = 0; + } + + llvm::ArrayRef<OptionDefinition> 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()); + result.SetStatus(eReturnStatusFailed); + 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<std::recursive_mutex> 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()); + result.SetStatus(eReturnStatusFailed); + } + } else { + result.AppendErrorWithFormat( + "Process cannot be continued from its current state (%s).\n", + StateAsCString(state)); + result.SetStatus(eReturnStatusFailed); + } + return result.Succeeded(); + } + + Options *GetOptions() override { return &m_options; } + + CommandOptions m_options; +}; + +// CommandObjectProcessDetach +static constexpr OptionDefinition g_process_detach_options[] = { + // clang-format off + { LLDB_OPT_SET_1, false, "keep-stopped", 's', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeBoolean, "Whether or not the process should be kept stopped on detach (if possible)." }, + // clang-format on +}; + +#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: + error.SetErrorStringWithFormat("invalid short option character '%c'", + short_option); + break; + } + return error; + } + + void OptionParsingStarting(ExecutionContext *execution_context) override { + m_keep_stopped = eLazyBoolCalculate; + } + + llvm::ArrayRef<OptionDefinition> 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()); + result.SetStatus(eReturnStatusFailed); + return false; + } + return result.Succeeded(); + } + + CommandOptions m_options; +}; + +// CommandObjectProcessConnect + +static constexpr OptionDefinition g_process_connect_options[] = { + // clang-format off + { LLDB_OPT_SET_ALL, false, "plugin", 'p', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypePlugin, "Name of the process plugin you want to use." }, + // clang-format on +}; + +#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(option_arg); + break; + + default: + error.SetErrorStringWithFormat("invalid short option character '%c'", + short_option); + break; + } + return error; + } + + void OptionParsingStarting(ExecutionContext *execution_context) override { + plugin_name.clear(); + } + + llvm::ArrayRef<OptionDefinition> 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 <remote-url>", 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()); + result.SetStatus(eReturnStatusFailed); + 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()); + result.SetStatus(eReturnStatusFailed); + 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 = platform_sp->ConnectProcess( + command.GetArgumentAtIndex(0), plugin_name, debugger, + debugger.GetSelectedTarget().get(), error); + if (error.Fail() || process_sp == nullptr) { + result.AppendError(error.AsCString("Error connecting to the process")); + result.SetStatus(eReturnStatusFailed); + 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 <args>", 0) {} + + ~CommandObjectProcessPlugin() override = default; + + CommandObject *GetProxyCommandObject() override { + Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); + if (process) + return process->GetPluginCommandObject(); + return nullptr; + } +}; + +// CommandObjectProcessLoad + +static constexpr OptionDefinition g_process_load_options[] = { + // clang-format off + { LLDB_OPT_SET_ALL, false, "install", 'i', OptionParser::eOptionalArgument, nullptr, {}, 0, eArgTypePath, "Install the shared library to the target. If specified without an argument then the library will installed in the current working directory." }, + // clang-format on +}; + +#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: + error.SetErrorStringWithFormat("invalid short option character '%c'", + short_option); + break; + } + return error; + } + + void OptionParsingStarting(ExecutionContext *execution_context) override { + do_install = false; + install_path.Clear(); + } + + llvm::ArrayRef<OptionDefinition> 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 <filename> [<filename> ...]", + eCommandRequiresProcess | eCommandTryTargetAPILock | + eCommandProcessMustBeLaunched | + eCommandProcessMustBePaused), + m_options() {} + + ~CommandObjectProcessLoad() override = default; + + 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()); + result.SetStatus(eReturnStatusFailed); + } + } + 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 <index>", + eCommandRequiresProcess | eCommandTryTargetAPILock | + eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) {} + + ~CommandObjectProcessUnload() override = default; + +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()); + result.SetStatus(eReturnStatusFailed); + 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()); + result.SetStatus(eReturnStatusFailed); + 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; + +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])) + signo = + StringConvert::ToSInt32(signal_name, LLDB_INVALID_SIGNAL_NUMBER, 0); + else + signo = process->GetUnixSignals()->GetSignalNumberFromName(signal_name); + + if (signo == LLDB_INVALID_SIGNAL_NUMBER) { + result.AppendErrorWithFormat("Invalid signal argument '%s'.\n", + command.GetArgumentAtIndex(0)); + result.SetStatus(eReturnStatusFailed); + } 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()); + result.SetStatus(eReturnStatusFailed); + } + } + } else { + result.AppendErrorWithFormat( + "'%s' takes exactly one signal number argument:\nUsage: %s\n", + m_cmd_name.c_str(), m_cmd_syntax.c_str()); + result.SetStatus(eReturnStatusFailed); + } + 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"); + result.SetStatus(eReturnStatusFailed); + 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()); + result.SetStatus(eReturnStatusFailed); + } + } else { + result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n", + m_cmd_name.c_str(), m_cmd_syntax.c_str()); + result.SetStatus(eReturnStatusFailed); + } + 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"); + result.SetStatus(eReturnStatusFailed); + 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()); + result.SetStatus(eReturnStatusFailed); + } + } else { + result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n", + m_cmd_name.c_str(), m_cmd_syntax.c_str()); + result.SetStatus(eReturnStatusFailed); + } + return result.Succeeded(); + } +}; + +// CommandObjectProcessSaveCore +#pragma mark CommandObjectProcessSaveCore + +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 FILE", + eCommandRequiresProcess | eCommandTryTargetAPILock | + eCommandProcessMustBeLaunched) {} + + ~CommandObjectProcessSaveCore() override = default; + +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)); + Status error = PluginManager::SaveCore(process_sp, output_file); + if (error.Success()) { + result.SetStatus(eReturnStatusSuccessFinishResult); + } else { + result.AppendErrorWithFormat( + "Failed to save core file for process: %s\n", error.AsCString()); + result.SetStatus(eReturnStatusFailed); + } + } else { + result.AppendErrorWithFormat("'%s' takes one arguments:\nUsage: %s\n", + m_cmd_name.c_str(), m_cmd_syntax.c_str()); + result.SetStatus(eReturnStatusFailed); + } + } else { + result.AppendError("invalid process"); + result.SetStatus(eReturnStatusFailed); + return false; + } + + return result.Succeeded(); + } +}; + +// CommandObjectProcessStatus +#pragma mark CommandObjectProcessStatus + +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) {} + + ~CommandObjectProcessStatus() override = default; + + bool DoExecute(Args &command, CommandReturnObject &result) override { + Stream &strm = result.GetOutputStream(); + result.SetStatus(eReturnStatusSuccessFinishNoResult); + // 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); + return result.Succeeded(); + } +}; + +// CommandObjectProcessHandle + +static constexpr OptionDefinition g_process_handle_options[] = { + // clang-format off + { LLDB_OPT_SET_1, false, "stop", 's', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeBoolean, "Whether or not the process should be stopped if the signal is received." }, + { LLDB_OPT_SET_1, false, "notify", 'n', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeBoolean, "Whether or not the debugger should notify the user if the signal is received." }, + { LLDB_OPT_SET_1, false, "pass", 'p', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeBoolean, "Whether or not the signal should be passed to the process." } + // clang-format on +}; + +#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 = option_arg; + break; + case 'n': + notify = option_arg; + break; + case 'p': + pass = option_arg; + break; + default: + error.SetErrorStringWithFormat("invalid short option character '%c'", + short_option); + break; + } + return error; + } + + void OptionParsingStarting(ExecutionContext *execution_context) override { + stop.clear(); + notify.clear(); + pass.clear(); + } + + llvm::ArrayRef<OptionDefinition> 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), + 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. + real_value = StringConvert::ToUInt32(option.c_str(), 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 { + TargetSP target_sp = GetDebugger().GetSelectedTarget(); + + if (!target_sp) { + result.AppendError("No current target;" + " cannot handle signals until you have a valid target " + "and process.\n"); + result.SetStatus(eReturnStatusFailed); + return false; + } + + ProcessSP process_sp = target_sp->GetProcessSP(); + + if (!process_sp) { + result.AppendError("No current process; cannot handle signals until you " + "have a valid process.\n"); + result.SetStatus(eReturnStatusFailed); + 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"); + result.SetStatus(eReturnStatusFailed); + 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"); + result.SetStatus(eReturnStatusFailed); + 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"); + result.SetStatus(eReturnStatusFailed); + 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; +}; + +// CommandObjectMultiwordProcess + +CommandObjectMultiwordProcess::CommandObjectMultiwordProcess( + CommandInterpreter &interpreter) + : CommandObjectMultiword( + interpreter, "process", + "Commands for interacting with processes on the current platform.", + "process <subcommand> [<subcommand-options>]") { + 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))); +} + +CommandObjectMultiwordProcess::~CommandObjectMultiwordProcess() = default; |