| //===-- CommandObjectProcess.cpp --------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "CommandObjectProcess.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Interpreter/Args.h" |
| #include "lldb/Interpreter/Options.h" |
| #include "lldb/Core/State.h" |
| #include "lldb/Interpreter/CommandInterpreter.h" |
| #include "lldb/Interpreter/CommandReturnObject.h" |
| #include "./CommandObjectThread.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Target/Thread.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessLaunch |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProjectLaunch |
| class CommandObjectProcessLaunch : public CommandObject |
| { |
| public: |
| |
| class CommandOptions : public Options |
| { |
| public: |
| |
| CommandOptions () : |
| Options() |
| { |
| // Keep default values of all options in one place: ResetOptionValues () |
| ResetOptionValues (); |
| } |
| |
| ~CommandOptions () |
| { |
| } |
| |
| Error |
| SetOptionValue (int option_idx, const char *option_arg) |
| { |
| Error error; |
| char short_option = (char) m_getopt_table[option_idx].val; |
| |
| switch (short_option) |
| { |
| case 's': stop_at_entry = true; break; |
| case 'e': stderr_path.assign (option_arg); break; |
| case 'i': stdin_path.assign (option_arg); break; |
| case 'o': stdout_path.assign (option_arg); break; |
| case 'p': plugin_name.assign (option_arg); break; |
| case 'n': no_stdio = true; break; |
| case 'w': working_dir.assign (option_arg); break; |
| case 't': |
| if (option_arg && option_arg[0]) |
| tty_name.assign (option_arg); |
| in_new_tty = true; |
| break; |
| default: |
| error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); |
| break; |
| |
| } |
| return error; |
| } |
| |
| void |
| ResetOptionValues () |
| { |
| Options::ResetOptionValues(); |
| stop_at_entry = false; |
| in_new_tty = false; |
| tty_name.clear(); |
| stdin_path.clear(); |
| stdout_path.clear(); |
| stderr_path.clear(); |
| plugin_name.clear(); |
| working_dir.clear(); |
| no_stdio = false; |
| } |
| |
| const lldb::OptionDefinition* |
| GetDefinitions () |
| { |
| return g_option_table; |
| } |
| |
| // Options table: Required for subclasses of Options. |
| |
| static lldb::OptionDefinition g_option_table[]; |
| |
| // Instance variables to hold the values for command options. |
| |
| bool stop_at_entry; |
| bool in_new_tty; |
| bool no_stdio; |
| std::string tty_name; |
| std::string stderr_path; |
| std::string stdin_path; |
| std::string stdout_path; |
| std::string plugin_name; |
| std::string working_dir; |
| |
| }; |
| |
| CommandObjectProcessLaunch (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process launch", |
| "Launch the executable in the debugger.", |
| NULL) |
| { |
| 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 () |
| { |
| } |
| |
| Options * |
| GetOptions () |
| { |
| return &m_options; |
| } |
| |
| bool |
| Execute (Args& launch_args, CommandReturnObject &result) |
| { |
| Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); |
| |
| if (target == NULL) |
| { |
| result.AppendError ("invalid target, set executable file using 'file' command"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| // If our listener is NULL, users aren't allows to launch |
| char filename[PATH_MAX]; |
| const Module *exe_module = target->GetExecutableModule().get(); |
| |
| if (exe_module == NULL) |
| { |
| result.AppendError ("no file in target, set executable file using 'file' command"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| exe_module->GetFileSpec().GetPath(filename, sizeof(filename)); |
| |
| StateType state = eStateInvalid; |
| Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; |
| if (process) |
| { |
| state = process->GetState(); |
| |
| if (process->IsAlive() && state != eStateConnected) |
| { |
| char message[1024]; |
| if (process->GetState() == eStateAttaching) |
| ::strncpy (message, "There is a pending attach, abort it and launch a new process?", sizeof(message)); |
| else |
| ::strncpy (message, "There is a running process, kill it and restart?", sizeof(message)); |
| |
| if (!m_interpreter.Confirm (message, true)) |
| { |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| else |
| { |
| Error error (process->Destroy()); |
| if (error.Success()) |
| { |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("Failed to kill process: %s\n", error.AsCString()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| } |
| } |
| } |
| |
| if (state != eStateConnected) |
| { |
| const char *plugin_name; |
| if (!m_options.plugin_name.empty()) |
| plugin_name = m_options.plugin_name.c_str(); |
| else |
| plugin_name = NULL; |
| |
| process = target->CreateProcess (m_interpreter.GetDebugger().GetListener(), plugin_name).get(); |
| if (process == NULL) |
| { |
| result.AppendErrorWithFormat ("Failed to find a process plugin for executable.\n"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| } |
| |
| |
| // If no launch args were given on the command line, then use any that |
| // might have been set using the "run-args" set variable. |
| if (launch_args.GetArgumentCount() == 0) |
| { |
| if (process->GetRunArguments().GetArgumentCount() > 0) |
| launch_args = process->GetRunArguments(); |
| } |
| |
| if (m_options.in_new_tty) |
| { |
| if (state == eStateConnected) |
| { |
| result.AppendWarning("launch in tty option is ignored when launching through a remote connection"); |
| m_options.in_new_tty = false; |
| } |
| else |
| { |
| char exec_file_path[PATH_MAX]; |
| if (exe_module->GetFileSpec().GetPath(exec_file_path, sizeof(exec_file_path))) |
| { |
| launch_args.InsertArgumentAtIndex(0, exec_file_path); |
| } |
| else |
| { |
| result.AppendError("invalid executable"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| } |
| } |
| |
| Args environment; |
| |
| process->GetEnvironmentAsArgs (environment); |
| |
| uint32_t launch_flags = eLaunchFlagNone; |
| |
| if (process->GetDisableASLR()) |
| launch_flags |= eLaunchFlagDisableASLR; |
| |
| if (m_options.no_stdio) |
| launch_flags |= eLaunchFlagDisableSTDIO; |
| else if (!m_options.in_new_tty |
| && m_options.stdin_path.empty() |
| && m_options.stdout_path.empty() |
| && m_options.stderr_path.empty()) |
| { |
| // Only use the settings value if the user hasn't specified any options that would override it. |
| if (process->GetDisableSTDIO()) |
| launch_flags |= eLaunchFlagDisableSTDIO; |
| } |
| |
| const char **inferior_argv = launch_args.GetArgumentCount() ? launch_args.GetConstArgumentVector() : NULL; |
| const char **inferior_envp = environment.GetArgumentCount() ? environment.GetConstArgumentVector() : NULL; |
| |
| Error error; |
| const char *working_dir = NULL; |
| if (!m_options.working_dir.empty()) |
| working_dir = m_options.working_dir.c_str(); |
| |
| if (m_options.in_new_tty) |
| { |
| |
| lldb::pid_t pid = Host::LaunchInNewTerminal (m_options.tty_name.c_str(), |
| inferior_argv, |
| inferior_envp, |
| working_dir, |
| &exe_module->GetArchitecture(), |
| true, |
| process->GetDisableASLR()); |
| |
| if (pid != LLDB_INVALID_PROCESS_ID) |
| error = process->Attach (pid); |
| } |
| else |
| { |
| const char * stdin_path = NULL; |
| const char * stdout_path = NULL; |
| const char * stderr_path = NULL; |
| |
| // Were any standard input/output/error paths given on the command line? |
| if (m_options.stdin_path.empty() && |
| m_options.stdout_path.empty() && |
| m_options.stderr_path.empty()) |
| { |
| // No standard file handles were given on the command line, check |
| // with the process object in case they were give using "set settings" |
| stdin_path = process->GetStandardInputPath(); |
| stdout_path = process->GetStandardOutputPath(); |
| stderr_path = process->GetStandardErrorPath(); |
| } |
| else |
| { |
| stdin_path = m_options.stdin_path.empty() ? NULL : m_options.stdin_path.c_str(); |
| stdout_path = m_options.stdout_path.empty() ? NULL : m_options.stdout_path.c_str(); |
| stderr_path = m_options.stderr_path.empty() ? NULL : m_options.stderr_path.c_str(); |
| } |
| |
| error = process->Launch (inferior_argv, |
| inferior_envp, |
| launch_flags, |
| stdin_path, |
| stdout_path, |
| stderr_path, |
| working_dir); |
| } |
| |
| if (error.Success()) |
| { |
| const char *archname = exe_module->GetArchitecture().GetArchitectureName(); |
| |
| result.AppendMessageWithFormat ("Process %i launched: '%s' (%s)\n", process->GetID(), filename, archname); |
| result.SetDidChangeProcessState (true); |
| if (m_options.stop_at_entry == false) |
| { |
| result.SetStatus (eReturnStatusSuccessContinuingNoResult); |
| StateType state = process->WaitForProcessToStop (NULL); |
| |
| if (state == eStateStopped) |
| { |
| error = process->Resume(); |
| if (error.Success()) |
| { |
| bool synchronous_execution = m_interpreter.GetSynchronous (); |
| if (synchronous_execution) |
| { |
| state = process->WaitForProcessToStop (NULL); |
| if (!StateIsStoppedState(state)) |
| { |
| result.AppendErrorWithFormat ("Process isn't stopped: %s", StateAsCString(state)); |
| } |
| result.SetDidChangeProcessState (true); |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| else |
| { |
| result.SetStatus (eReturnStatusSuccessContinuingNoResult); |
| } |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("Process resume at entry point failed: %s", error.AsCString()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("Initial process state wasn't stopped: %s", StateAsCString(state)); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| } |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("Process launch failed: %s", error.AsCString()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| |
| return result.Succeeded(); |
| } |
| |
| virtual const char *GetRepeatCommand (Args ¤t_command_args, uint32_t index) |
| { |
| // No repeat for "process launch"... |
| return ""; |
| } |
| |
| protected: |
| |
| CommandOptions m_options; |
| }; |
| |
| |
| #define SET1 LLDB_OPT_SET_1 |
| #define SET2 LLDB_OPT_SET_2 |
| #define SET3 LLDB_OPT_SET_3 |
| |
| lldb::OptionDefinition |
| CommandObjectProcessLaunch::CommandOptions::g_option_table[] = |
| { |
| { SET1 | SET2 | SET3, false, "stop-at-entry", 's', no_argument, NULL, 0, eArgTypeNone, "Stop at the entry point of the program when launching a process."}, |
| { SET1 , false, "stdin", 'i', required_argument, NULL, 0, eArgTypePath, "Redirect stdin for the process to <path>."}, |
| { SET1 , false, "stdout", 'o', required_argument, NULL, 0, eArgTypePath, "Redirect stdout for the process to <path>."}, |
| { SET1 , false, "stderr", 'e', required_argument, NULL, 0, eArgTypePath, "Redirect stderr for the process to <path>."}, |
| { SET1 | SET2 | SET3, false, "plugin", 'p', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, |
| { SET2 , false, "tty", 't', optional_argument, NULL, 0, eArgTypePath, "Start the process in a terminal. If <path> is specified, look for a terminal whose name contains <path>, else start the process in a new terminal."}, |
| { SET3, false, "no-stdio", 'n', no_argument, NULL, 0, eArgTypeNone, "Do not set up for terminal I/O to go to running process."}, |
| { SET1 | SET2 | SET3, false, "working-dir", 'w', required_argument, NULL, 0, eArgTypePath, "Set the current working directory to <path> when running the inferior."}, |
| { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } |
| }; |
| |
| #undef SET1 |
| #undef SET2 |
| #undef SET3 |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessAttach |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProcessAttach |
| class CommandObjectProcessAttach : public CommandObject |
| { |
| public: |
| |
| class CommandOptions : public Options |
| { |
| public: |
| |
| CommandOptions () : |
| Options() |
| { |
| // Keep default values of all options in one place: ResetOptionValues () |
| ResetOptionValues (); |
| } |
| |
| ~CommandOptions () |
| { |
| } |
| |
| Error |
| SetOptionValue (int option_idx, const char *option_arg) |
| { |
| Error error; |
| char short_option = (char) m_getopt_table[option_idx].val; |
| bool success = false; |
| switch (short_option) |
| { |
| case 'p': |
| pid = Args::StringToUInt32 (option_arg, LLDB_INVALID_PROCESS_ID, 0, &success); |
| if (!success || pid == LLDB_INVALID_PROCESS_ID) |
| { |
| error.SetErrorStringWithFormat("Invalid process ID '%s'.\n", option_arg); |
| } |
| break; |
| |
| case 'P': |
| plugin_name = option_arg; |
| break; |
| |
| case 'n': |
| name.assign(option_arg); |
| break; |
| |
| case 'w': |
| waitfor = true; |
| break; |
| |
| default: |
| error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); |
| break; |
| } |
| return error; |
| } |
| |
| void |
| ResetOptionValues () |
| { |
| Options::ResetOptionValues(); |
| pid = LLDB_INVALID_PROCESS_ID; |
| name.clear(); |
| waitfor = false; |
| } |
| |
| const lldb::OptionDefinition* |
| GetDefinitions () |
| { |
| return g_option_table; |
| } |
| |
| virtual bool |
| HandleOptionArgumentCompletion (CommandInterpreter &interpeter, |
| Args &input, |
| int cursor_index, |
| int char_pos, |
| OptionElementVector &opt_element_vector, |
| int opt_element_index, |
| int match_start_point, |
| int max_return_elements, |
| bool &word_complete, |
| StringList &matches) |
| { |
| 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... |
| |
| const lldb::OptionDefinition *opt_defs = GetDefinitions(); |
| if (opt_defs[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. |
| Process *process = interpeter.GetDebugger().GetExecutionContext().process; |
| bool need_to_delete_process = false; |
| |
| const char *partial_name = NULL; |
| partial_name = input.GetArgumentAtIndex(opt_arg_pos); |
| |
| if (process && process->IsAlive()) |
| return true; |
| |
| Target *target = interpeter.GetDebugger().GetSelectedTarget().get(); |
| if (target == NULL) |
| { |
| // No target has been set yet, for now do host completion. Otherwise I don't know how we would |
| // figure out what the right target to use is... |
| std::vector<lldb::pid_t> pids; |
| Host::ListProcessesMatchingName (partial_name, matches, pids); |
| return true; |
| } |
| if (!process) |
| { |
| process = target->CreateProcess (interpeter.GetDebugger().GetListener(), partial_name).get(); |
| need_to_delete_process = true; |
| } |
| |
| if (process) |
| { |
| matches.Clear(); |
| std::vector<lldb::pid_t> pids; |
| process->ListProcessesMatchingName (NULL, matches, pids); |
| if (need_to_delete_process) |
| target->DeleteCurrentProcess(); |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| // Options table: Required for subclasses of Options. |
| |
| static lldb::OptionDefinition g_option_table[]; |
| |
| // Instance variables to hold the values for command options. |
| |
| lldb::pid_t pid; |
| std::string plugin_name; |
| std::string name; |
| bool waitfor; |
| }; |
| |
| CommandObjectProcessAttach (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process attach", |
| "Attach to a process.", |
| "process attach <cmd-options>") |
| { |
| } |
| |
| ~CommandObjectProcessAttach () |
| { |
| } |
| |
| bool |
| Execute (Args& command, |
| CommandReturnObject &result) |
| { |
| Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); |
| bool synchronous_execution = m_interpreter.GetSynchronous (); |
| |
| Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; |
| StateType state = eStateInvalid; |
| if (process) |
| { |
| state = process->GetState(); |
| if (process->IsAlive() && state != eStateConnected) |
| { |
| result.AppendErrorWithFormat ("Process %u is currently being debugged, kill the process before attaching.\n", |
| process->GetID()); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| } |
| |
| if (target == NULL) |
| { |
| // If there isn't a current target create one. |
| TargetSP new_target_sp; |
| FileSpec emptyFileSpec; |
| ArchSpec emptyArchSpec; |
| Error error; |
| |
| error = m_interpreter.GetDebugger().GetTargetList().CreateTarget (m_interpreter.GetDebugger(), |
| emptyFileSpec, |
| emptyArchSpec, |
| NULL, |
| false, |
| new_target_sp); |
| target = new_target_sp.get(); |
| if (target == NULL || error.Fail()) |
| { |
| result.AppendError(error.AsCString("Error creating target")); |
| return false; |
| } |
| m_interpreter.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: \n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| else |
| { |
| if (state != eStateConnected) |
| { |
| const char *plugin_name = NULL; |
| |
| if (!m_options.plugin_name.empty()) |
| plugin_name = m_options.plugin_name.c_str(); |
| |
| process = target->CreateProcess (m_interpreter.GetDebugger().GetListener(), plugin_name).get(); |
| } |
| |
| if (process) |
| { |
| Error error; |
| int attach_pid = m_options.pid; |
| |
| const char *wait_name = NULL; |
| |
| if (m_options.name.empty()) |
| { |
| if (old_exec_module_sp) |
| { |
| wait_name = old_exec_module_sp->GetFileSpec().GetFilename().AsCString(); |
| } |
| } |
| else |
| { |
| wait_name = m_options.name.c_str(); |
| } |
| |
| // If we are waiting for a process with this name to show up, do that first. |
| if (m_options.waitfor) |
| { |
| |
| if (wait_name == NULL) |
| { |
| result.AppendError("Invalid arguments: must have a file loaded or supply a process name with the waitfor option.\n"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| result.AppendMessageWithFormat("Waiting to attach to a process named \"%s\".\n", wait_name); |
| error = process->Attach (wait_name, m_options.waitfor); |
| if (error.Success()) |
| { |
| result.SetStatus (eReturnStatusSuccessContinuingNoResult); |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("Waiting for a process to launch named '%s': %s\n", |
| wait_name, |
| error.AsCString()); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| // If we're synchronous, wait for the stopped event and report that. |
| // Otherwise just return. |
| // FIXME: in the async case it will now be possible to get to the command |
| // interpreter with a state eStateAttaching. Make sure we handle that correctly. |
| if (synchronous_execution) |
| { |
| StateType state = process->WaitForProcessToStop (NULL); |
| |
| result.SetDidChangeProcessState (true); |
| result.AppendMessageWithFormat ("Process %i %s\n", process->GetID(), StateAsCString (state)); |
| result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| } |
| else |
| { |
| result.SetDidChangeProcessState (true); |
| result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| } |
| } |
| else |
| { |
| // If the process was specified by name look it up, so we can warn if there are multiple |
| // processes with this pid. |
| |
| if (attach_pid == LLDB_INVALID_PROCESS_ID && wait_name != NULL) |
| { |
| std::vector<lldb::pid_t> pids; |
| StringList matches; |
| |
| process->ListProcessesMatchingName(wait_name, matches, pids); |
| if (matches.GetSize() > 1) |
| { |
| result.AppendErrorWithFormat("More than one process named %s\n", wait_name); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| else if (matches.GetSize() == 0) |
| { |
| result.AppendErrorWithFormat("Could not find a process named %s\n", wait_name); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| else |
| { |
| attach_pid = pids[0]; |
| } |
| |
| } |
| |
| if (attach_pid != LLDB_INVALID_PROCESS_ID) |
| { |
| error = process->Attach (attach_pid); |
| if (error.Success()) |
| { |
| result.SetStatus (eReturnStatusSuccessContinuingNoResult); |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("Attaching to process %i failed: %s.\n", |
| attach_pid, |
| error.AsCString()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| // See comment for synchronous_execution above. |
| if (synchronous_execution) |
| { |
| StateType state = process->WaitForProcessToStop (NULL); |
| |
| result.SetDidChangeProcessState (true); |
| result.AppendMessageWithFormat ("Process %i %s\n", process->GetID(), StateAsCString (state)); |
| result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| } |
| else |
| { |
| result.SetDidChangeProcessState (true); |
| result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| } |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("No PID specified for attach\n", |
| attach_pid, |
| error.AsCString()); |
| result.SetStatus (eReturnStatusFailed); |
| |
| } |
| } |
| } |
| } |
| |
| if (result.Succeeded()) |
| { |
| // Okay, we're done. Last step is to warn if the executable module has changed: |
| char new_path[PATH_MAX]; |
| if (!old_exec_module_sp) |
| { |
| // We might not have a module if we attached to a raw pid... |
| ModuleSP new_module_sp (target->GetExecutableModule()); |
| if (new_module_sp) |
| { |
| new_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() != target->GetExecutableModule()->GetFileSpec()) |
| { |
| char old_path[PATH_MAX]; |
| |
| old_exec_module_sp->GetFileSpec().GetPath(old_path, PATH_MAX); |
| target->GetExecutableModule()->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().GetArchitectureName()); |
| } |
| else if (old_arch_spec != target->GetArchitecture()) |
| { |
| result.AppendWarningWithFormat("Architecture changed from %s to %s.\n", |
| old_arch_spec.GetArchitectureName(), target->GetArchitecture().GetArchitectureName()); |
| } |
| } |
| return result.Succeeded(); |
| } |
| |
| Options * |
| GetOptions () |
| { |
| return &m_options; |
| } |
| |
| protected: |
| |
| CommandOptions m_options; |
| }; |
| |
| |
| lldb::OptionDefinition |
| CommandObjectProcessAttach::CommandOptions::g_option_table[] = |
| { |
| { LLDB_OPT_SET_ALL, false, "plugin", 'P', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, |
| { LLDB_OPT_SET_1, false, "pid", 'p', required_argument, NULL, 0, eArgTypePid, "The process ID of an existing process to attach to."}, |
| { LLDB_OPT_SET_2, false, "name", 'n', required_argument, NULL, 0, eArgTypeProcessName, "The name of the process to attach to."}, |
| { LLDB_OPT_SET_2, false, "waitfor",'w', no_argument, NULL, 0, eArgTypeNone, "Wait for the the process with <process-name> to launch."}, |
| { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } |
| }; |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessContinue |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProcessContinue |
| |
| class CommandObjectProcessContinue : public CommandObject |
| { |
| public: |
| |
| CommandObjectProcessContinue (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process continue", |
| "Continue execution of all threads in the current process.", |
| "process continue", |
| eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) |
| { |
| } |
| |
| |
| ~CommandObjectProcessContinue () |
| { |
| } |
| |
| bool |
| Execute (Args& command, |
| CommandReturnObject &result) |
| { |
| Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; |
| bool synchronous_execution = m_interpreter.GetSynchronous (); |
| |
| if (process == NULL) |
| { |
| result.AppendError ("no process to continue"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| 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; |
| } |
| |
| 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) |
| { |
| process->GetThreadList().GetThreadAtIndex(idx)->SetResumeState (eStateRunning); |
| } |
| |
| Error error(process->Resume()); |
| if (error.Success()) |
| { |
| result.AppendMessageWithFormat ("Process %i resuming\n", process->GetID()); |
| if (synchronous_execution) |
| { |
| state = process->WaitForProcessToStop (NULL); |
| |
| result.SetDidChangeProcessState (true); |
| result.AppendMessageWithFormat ("Process %i %s\n", process->GetID(), StateAsCString (state)); |
| 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(); |
| } |
| }; |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessDetach |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProcessDetach |
| |
| class CommandObjectProcessDetach : public CommandObject |
| { |
| public: |
| |
| CommandObjectProcessDetach (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process detach", |
| "Detach from the current process being debugged.", |
| "process detach", |
| eFlagProcessMustBeLaunched) |
| { |
| } |
| |
| ~CommandObjectProcessDetach () |
| { |
| } |
| |
| bool |
| Execute (Args& command, |
| CommandReturnObject &result) |
| { |
| Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; |
| if (process == NULL) |
| { |
| result.AppendError ("must have a valid process in order to detach"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| result.AppendMessageWithFormat ("Detaching from process %i\n", process->GetID()); |
| Error error (process->Detach()); |
| if (error.Success()) |
| { |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("Detach failed: %s\n", error.AsCString()); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| return result.Succeeded(); |
| } |
| }; |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessConnect |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProcessConnect |
| |
| class CommandObjectProcessConnect : public CommandObject |
| { |
| public: |
| |
| class CommandOptions : public Options |
| { |
| public: |
| |
| CommandOptions () : |
| Options() |
| { |
| // Keep default values of all options in one place: ResetOptionValues () |
| ResetOptionValues (); |
| } |
| |
| ~CommandOptions () |
| { |
| } |
| |
| Error |
| SetOptionValue (int option_idx, const char *option_arg) |
| { |
| Error error; |
| char short_option = (char) 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'.\n", short_option); |
| break; |
| } |
| return error; |
| } |
| |
| void |
| ResetOptionValues () |
| { |
| Options::ResetOptionValues(); |
| plugin_name.clear(); |
| } |
| |
| const lldb::OptionDefinition* |
| GetDefinitions () |
| { |
| return g_option_table; |
| } |
| |
| // Options table: Required for subclasses of Options. |
| |
| static lldb::OptionDefinition g_option_table[]; |
| |
| // Instance variables to hold the values for command options. |
| |
| std::string plugin_name; |
| }; |
| |
| CommandObjectProcessConnect (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process connect", |
| "Connect to a remote debug service.", |
| "process connect <remote-url>", |
| 0) |
| { |
| } |
| |
| ~CommandObjectProcessConnect () |
| { |
| } |
| |
| |
| bool |
| Execute (Args& command, |
| CommandReturnObject &result) |
| { |
| |
| TargetSP target_sp (m_interpreter.GetDebugger().GetSelectedTarget()); |
| Error error; |
| Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; |
| if (process) |
| { |
| if (process->IsAlive()) |
| { |
| result.AppendErrorWithFormat ("Process %u is currently being debugged, kill the process before connecting.\n", |
| process->GetID()); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| } |
| |
| if (!target_sp) |
| { |
| // If there isn't a current target create one. |
| FileSpec emptyFileSpec; |
| ArchSpec emptyArchSpec; |
| |
| error = m_interpreter.GetDebugger().GetTargetList().CreateTarget (m_interpreter.GetDebugger(), |
| emptyFileSpec, |
| emptyArchSpec, |
| NULL, |
| false, |
| target_sp); |
| if (!target_sp || error.Fail()) |
| { |
| result.AppendError(error.AsCString("Error creating target")); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| m_interpreter.GetDebugger().GetTargetList().SetSelectedTarget(target_sp.get()); |
| } |
| |
| if (command.GetArgumentCount() == 1) |
| { |
| const char *plugin_name = NULL; |
| if (!m_options.plugin_name.empty()) |
| plugin_name = m_options.plugin_name.c_str(); |
| |
| const char *remote_url = command.GetArgumentAtIndex(0); |
| process = target_sp->CreateProcess (m_interpreter.GetDebugger().GetListener(), plugin_name).get(); |
| |
| if (process) |
| { |
| error = process->ConnectRemote (remote_url); |
| |
| if (error.Fail()) |
| { |
| result.AppendError(error.AsCString("Remote connect failed")); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("Unable to find process plug-in for remote URL '%s'.\nPlease specify a process plug-in name with the --plugin option, or specify an object file using the \"file\" command: \n", |
| m_cmd_name.c_str(), |
| m_cmd_syntax.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("'%s' takes exactly one argument:\nUsage: \n", |
| m_cmd_name.c_str(), |
| m_cmd_syntax.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| return result.Succeeded(); |
| } |
| |
| Options * |
| GetOptions () |
| { |
| return &m_options; |
| } |
| |
| protected: |
| |
| CommandOptions m_options; |
| }; |
| |
| |
| lldb::OptionDefinition |
| CommandObjectProcessConnect::CommandOptions::g_option_table[] = |
| { |
| { LLDB_OPT_SET_ALL, false, "plugin", 'p', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, |
| { 0, false, NULL, 0 , 0, NULL, 0, eArgTypeNone, NULL } |
| }; |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessLoad |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProcessLoad |
| |
| class CommandObjectProcessLoad : public CommandObject |
| { |
| public: |
| |
| CommandObjectProcessLoad (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process load", |
| "Load a shared library into the current process.", |
| "process load <filename> [<filename> ...]", |
| eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) |
| { |
| } |
| |
| ~CommandObjectProcessLoad () |
| { |
| } |
| |
| bool |
| Execute (Args& command, |
| CommandReturnObject &result) |
| { |
| Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; |
| if (process == NULL) |
| { |
| result.AppendError ("must have a valid process in order to load a shared library"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| const uint32_t argc = command.GetArgumentCount(); |
| |
| for (uint32_t i=0; i<argc; ++i) |
| { |
| Error error; |
| const char *image_path = command.GetArgumentAtIndex(i); |
| FileSpec image_spec (image_path, false); |
| uint32_t image_token = process->LoadImage(image_spec, error); |
| if (image_token != LLDB_INVALID_IMAGE_TOKEN) |
| { |
| result.AppendMessageWithFormat ("Loading \"%s\"...ok\nImage %u loaded.\n", image_path, image_token); |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("failed to load '%s': %s", image_path, error.AsCString()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| } |
| return result.Succeeded(); |
| } |
| }; |
| |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessUnload |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProcessUnload |
| |
| class CommandObjectProcessUnload : public CommandObject |
| { |
| public: |
| |
| CommandObjectProcessUnload (CommandInterpreter &interpreter) : |
| CommandObject (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>", |
| eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) |
| { |
| } |
| |
| ~CommandObjectProcessUnload () |
| { |
| } |
| |
| bool |
| Execute (Args& command, |
| CommandReturnObject &result) |
| { |
| Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; |
| if (process == NULL) |
| { |
| result.AppendError ("must have a valid process in order to load a shared library"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| const uint32_t argc = command.GetArgumentCount(); |
| |
| for (uint32_t i=0; i<argc; ++i) |
| { |
| const char *image_token_cstr = command.GetArgumentAtIndex(i); |
| uint32_t image_token = Args::StringToUInt32(image_token_cstr, LLDB_INVALID_IMAGE_TOKEN, 0); |
| if (image_token == LLDB_INVALID_IMAGE_TOKEN) |
| { |
| result.AppendErrorWithFormat ("invalid image index argument '%s'", image_token_cstr); |
| result.SetStatus (eReturnStatusFailed); |
| break; |
| } |
| else |
| { |
| Error error (process->UnloadImage(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 CommandObject |
| { |
| public: |
| |
| CommandObjectProcessSignal (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process signal", |
| "Send a UNIX signal to the current process being debugged.", |
| NULL) |
| { |
| 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 () |
| { |
| } |
| |
| bool |
| Execute (Args& command, |
| CommandReturnObject &result) |
| { |
| Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; |
| if (process == NULL) |
| { |
| result.AppendError ("no process to signal"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| if (command.GetArgumentCount() == 1) |
| { |
| int signo = LLDB_INVALID_SIGNAL_NUMBER; |
| |
| const char *signal_name = command.GetArgumentAtIndex(0); |
| if (::isxdigit (signal_name[0])) |
| signo = Args::StringToSInt32(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 |
| { |
| Error 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: \n", m_cmd_name.c_str(), |
| m_cmd_syntax.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| return result.Succeeded(); |
| } |
| }; |
| |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessInterrupt |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProcessInterrupt |
| |
| class CommandObjectProcessInterrupt : public CommandObject |
| { |
| public: |
| |
| |
| CommandObjectProcessInterrupt (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process interrupt", |
| "Interrupt the current process being debugged.", |
| "process interrupt", |
| eFlagProcessMustBeLaunched) |
| { |
| } |
| |
| ~CommandObjectProcessInterrupt () |
| { |
| } |
| |
| bool |
| Execute (Args& command, |
| CommandReturnObject &result) |
| { |
| Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; |
| if (process == NULL) |
| { |
| result.AppendError ("no process to halt"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| if (command.GetArgumentCount() == 0) |
| { |
| Error error(process->Halt ()); |
| if (error.Success()) |
| { |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| |
| // Maybe we should add a "SuspendThreadPlans so we |
| // can halt, and keep in place all the current thread plans. |
| process->GetThreadList().DiscardThreadPlans(); |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("Failed to halt process: %s\n", error.AsCString()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| } |
| else |
| { |
| result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: \n", |
| m_cmd_name.c_str(), |
| m_cmd_syntax.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| return result.Succeeded(); |
| } |
| }; |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessKill |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProcessKill |
| |
| class CommandObjectProcessKill : public CommandObject |
| { |
| public: |
| |
| CommandObjectProcessKill (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process kill", |
| "Terminate the current process being debugged.", |
| "process kill", |
| eFlagProcessMustBeLaunched) |
| { |
| } |
| |
| ~CommandObjectProcessKill () |
| { |
| } |
| |
| bool |
| Execute (Args& command, |
| CommandReturnObject &result) |
| { |
| Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; |
| if (process == NULL) |
| { |
| result.AppendError ("no process to kill"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| if (command.GetArgumentCount() == 0) |
| { |
| Error error (process->Destroy()); |
| 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: \n", |
| m_cmd_name.c_str(), |
| m_cmd_syntax.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| return result.Succeeded(); |
| } |
| }; |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessStatus |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProcessStatus |
| |
| class CommandObjectProcessStatus : public CommandObject |
| { |
| public: |
| CommandObjectProcessStatus (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process status", |
| "Show the current status and location of executing process.", |
| "process status", |
| 0) |
| { |
| } |
| |
| ~CommandObjectProcessStatus() |
| { |
| } |
| |
| |
| bool |
| Execute |
| ( |
| Args& command, |
| CommandReturnObject &result |
| ) |
| { |
| Stream &output_stream = result.GetOutputStream(); |
| result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| ExecutionContext exe_ctx(m_interpreter.GetDebugger().GetExecutionContext()); |
| if (exe_ctx.process) |
| { |
| const StateType state = exe_ctx.process->GetState(); |
| if (StateIsStoppedState(state)) |
| { |
| if (state == eStateExited) |
| { |
| int exit_status = exe_ctx.process->GetExitStatus(); |
| const char *exit_description = exe_ctx.process->GetExitDescription(); |
| output_stream.Printf ("Process %d exited with status = %i (0x%8.8x) %s\n", |
| exe_ctx.process->GetID(), |
| exit_status, |
| exit_status, |
| exit_description ? exit_description : ""); |
| } |
| else |
| { |
| if (state == eStateConnected) |
| output_stream.Printf ("Connected to remote target.\n"); |
| else |
| output_stream.Printf ("Process %d %s\n", exe_ctx.process->GetID(), StateAsCString (state)); |
| if (exe_ctx.thread == NULL) |
| exe_ctx.thread = exe_ctx.process->GetThreadList().GetThreadAtIndex(0).get(); |
| if (exe_ctx.thread != NULL) |
| { |
| DisplayThreadsInfo (m_interpreter, &exe_ctx, result, true, true); |
| } |
| else |
| { |
| result.AppendError ("No valid thread found in current process."); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| } |
| } |
| else |
| { |
| output_stream.Printf ("Process %d is running.\n", |
| exe_ctx.process->GetID()); |
| } |
| } |
| else |
| { |
| result.AppendError ("No current location or status available."); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| return result.Succeeded(); |
| } |
| }; |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectProcessHandle |
| //------------------------------------------------------------------------- |
| #pragma mark CommandObjectProcessHandle |
| |
| class CommandObjectProcessHandle : public CommandObject |
| { |
| public: |
| |
| class CommandOptions : public Options |
| { |
| public: |
| |
| CommandOptions () : |
| Options () |
| { |
| ResetOptionValues (); |
| } |
| |
| ~CommandOptions () |
| { |
| } |
| |
| Error |
| SetOptionValue (int option_idx, const char *option_arg) |
| { |
| Error error; |
| char short_option = (char) 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'.\n", short_option); |
| break; |
| } |
| return error; |
| } |
| |
| void |
| ResetOptionValues () |
| { |
| Options::ResetOptionValues(); |
| stop.clear(); |
| notify.clear(); |
| pass.clear(); |
| } |
| |
| const lldb::OptionDefinition* |
| GetDefinitions () |
| { |
| return g_option_table; |
| } |
| |
| // Options table: Required for subclasses of Options. |
| |
| static lldb::OptionDefinition g_option_table[]; |
| |
| // Instance variables to hold the values for command options. |
| |
| std::string stop; |
| std::string notify; |
| std::string pass; |
| }; |
| |
| |
| CommandObjectProcessHandle (CommandInterpreter &interpreter) : |
| CommandObject (interpreter, |
| "process handle", |
| "Show or update what the process and debugger should do with various signals received from the OS.", |
| NULL) |
| { |
| SetHelpLong ("If no signals are specified, update them all. If no update option is specified, list the current values.\n"); |
| 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 () |
| { |
| } |
| |
| Options * |
| GetOptions () |
| { |
| return &m_options; |
| } |
| |
| bool |
| VerifyCommandOptionValue (const std::string &option, int &real_value) |
| { |
| bool okay = true; |
| |
| bool success = false; |
| bool tmp_value = Args::StringToBoolean (option.c_str(), 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 = Args::StringToUInt32 (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, UnixSignals &signals) |
| { |
| bool stop; |
| bool suppress; |
| bool notify; |
| |
| str.Printf ("%-10s ", sig_name); |
| if (signals.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, UnixSignals &signals) |
| { |
| 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.GetSignalNumberFromName (signal_args.GetArgumentAtIndex (i)); |
| if (signo != LLDB_INVALID_SIGNAL_NUMBER) |
| PrintSignal (str, signo, signal_args.GetArgumentAtIndex (i), signals); |
| } |
| } |
| else // Print info for ALL signals |
| { |
| int32_t signo = signals.GetFirstSignalNumber(); |
| while (signo != LLDB_INVALID_SIGNAL_NUMBER) |
| { |
| PrintSignal (str, signo, signals.GetSignalAsCString (signo), signals); |
| signo = signals.GetNextSignalNumber (signo); |
| } |
| } |
| } |
| |
| bool |
| Execute (Args &signal_args, CommandReturnObject &result) |
| { |
| TargetSP target_sp = m_interpreter.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(); |
| UnixSignals &signals = process_sp->GetUnixSignals(); |
| int num_signals_set = 0; |
| |
| if (num_args > 0) |
| { |
| for (size_t i = 0; i < num_args; ++i) |
| { |
| int32_t signo = signals.GetSignalNumberFromName (signal_args.GetArgumentAtIndex (i)); |
| 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.SetShouldStop (signo, (bool) stop_action); |
| if (pass_action != -1) |
| { |
| bool suppress = ! ((bool) pass_action); |
| signals.SetShouldSuppress (signo, suppress); |
| } |
| if (notify_action != -1) |
| signals.SetShouldNotify (signo, (bool) notify_action); |
| ++num_signals_set; |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("Invalid signal name '%s'\n", signal_args.GetArgumentAtIndex (i)); |
| } |
| } |
| } |
| 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.GetFirstSignalNumber(); |
| while (signo != LLDB_INVALID_SIGNAL_NUMBER) |
| { |
| if (notify_action != -1) |
| signals.SetShouldNotify (signo, (bool) notify_action); |
| if (stop_action != -1) |
| signals.SetShouldStop (signo, (bool) stop_action); |
| if (pass_action != -1) |
| { |
| bool suppress = ! ((bool) pass_action); |
| signals.SetShouldSuppress (signo, suppress); |
| } |
| signo = signals.GetNextSignalNumber (signo); |
| } |
| } |
| } |
| } |
| |
| PrintSignalInformation (result.GetOutputStream(), signal_args, num_signals_set, signals); |
| |
| if (num_signals_set > 0) |
| result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| else |
| result.SetStatus (eReturnStatusFailed); |
| |
| return result.Succeeded(); |
| } |
| |
| protected: |
| |
| CommandOptions m_options; |
| }; |
| |
| lldb::OptionDefinition |
| CommandObjectProcessHandle::CommandOptions::g_option_table[] = |
| { |
| { LLDB_OPT_SET_1, false, "stop", 's', required_argument, NULL, 0, eArgTypeBoolean, "Whether or not the process should be stopped if the signal is received." }, |
| { LLDB_OPT_SET_1, false, "notify", 'n', required_argument, NULL, 0, eArgTypeBoolean, "Whether or not the debugger should notify the user if the signal is received." }, |
| { LLDB_OPT_SET_1, false, "pass", 'p', required_argument, NULL, 0, eArgTypeBoolean, "Whether or not the signal should be passed to the process." }, |
| { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } |
| }; |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectMultiwordProcess |
| //------------------------------------------------------------------------- |
| |
| CommandObjectMultiwordProcess::CommandObjectMultiwordProcess (CommandInterpreter &interpreter) : |
| CommandObjectMultiword (interpreter, |
| "process", |
| "A set of commands for operating on a process.", |
| "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))); |
| } |
| |
| CommandObjectMultiwordProcess::~CommandObjectMultiwordProcess () |
| { |
| } |
| |
