forked from OSchip/llvm-project
1854 lines
66 KiB
C++
1854 lines
66 KiB
C++
//===-- CommandObjectProcess.cpp --------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "CommandObjectProcess.h"
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Interpreter/Args.h"
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#include "lldb/Interpreter/Options.h"
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#include "lldb/Core/State.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/CommandReturnObject.h"
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#include "lldb/Target/Platform.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Target/Thread.h"
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using namespace lldb;
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using namespace lldb_private;
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//-------------------------------------------------------------------------
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// CommandObjectProcessLaunch
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//-------------------------------------------------------------------------
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#pragma mark CommandObjectProjectLaunch
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class CommandObjectProcessLaunch : public CommandObject
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{
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public:
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class CommandOptions : public Options
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{
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public:
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CommandOptions (CommandInterpreter &interpreter) :
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Options(interpreter)
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{
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// Keep default values of all options in one place: OptionParsingStarting ()
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OptionParsingStarting ();
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}
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~CommandOptions ()
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{
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}
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Error
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SetOptionValue (uint32_t option_idx, const char *option_arg)
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{
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Error error;
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char short_option = (char) m_getopt_table[option_idx].val;
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switch (short_option)
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{
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case 's': stop_at_entry = true; break;
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case 'e': stderr_path.assign (option_arg); break;
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case 'i': stdin_path.assign (option_arg); break;
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case 'o': stdout_path.assign (option_arg); break;
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case 'p': plugin_name.assign (option_arg); break;
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case 'n': no_stdio = true; break;
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case 'w': working_dir.assign (option_arg); break;
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case 't':
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if (option_arg && option_arg[0])
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tty_name.assign (option_arg);
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in_new_tty = true;
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break;
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default:
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error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option);
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break;
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}
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return error;
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}
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void
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OptionParsingStarting ()
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{
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stop_at_entry = false;
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in_new_tty = false;
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tty_name.clear();
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stdin_path.clear();
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stdout_path.clear();
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stderr_path.clear();
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plugin_name.clear();
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working_dir.clear();
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no_stdio = false;
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}
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const OptionDefinition*
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GetDefinitions ()
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{
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return g_option_table;
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}
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// Options table: Required for subclasses of Options.
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static OptionDefinition g_option_table[];
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// Instance variables to hold the values for command options.
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bool stop_at_entry;
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bool in_new_tty;
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bool no_stdio;
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std::string tty_name;
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std::string stderr_path;
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std::string stdin_path;
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std::string stdout_path;
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std::string plugin_name;
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std::string working_dir;
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};
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CommandObjectProcessLaunch (CommandInterpreter &interpreter) :
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CommandObject (interpreter,
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"process launch",
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"Launch the executable in the debugger.",
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NULL),
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m_options (interpreter)
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{
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CommandArgumentEntry arg;
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CommandArgumentData run_args_arg;
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// Define the first (and only) variant of this arg.
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run_args_arg.arg_type = eArgTypeRunArgs;
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run_args_arg.arg_repetition = eArgRepeatOptional;
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// There is only one variant this argument could be; put it into the argument entry.
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arg.push_back (run_args_arg);
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// Push the data for the first argument into the m_arguments vector.
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m_arguments.push_back (arg);
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}
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~CommandObjectProcessLaunch ()
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{
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}
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Options *
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GetOptions ()
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{
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return &m_options;
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}
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bool
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Execute (Args& launch_args, CommandReturnObject &result)
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{
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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if (target == NULL)
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{
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result.AppendError ("invalid target, create a debug target using the 'target create' command");
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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// If our listener is NULL, users aren't allows to launch
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char filename[PATH_MAX];
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const Module *exe_module = target->GetExecutableModulePointer();
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if (exe_module == NULL)
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{
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result.AppendError ("no file in target, create a debug target using the 'target create' command");
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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exe_module->GetFileSpec().GetPath(filename, sizeof(filename));
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StateType state = eStateInvalid;
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Process *process = m_interpreter.GetExecutionContext().process;
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if (process)
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{
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state = process->GetState();
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if (process->IsAlive() && state != eStateConnected)
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{
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char message[1024];
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if (process->GetState() == eStateAttaching)
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::strncpy (message, "There is a pending attach, abort it and launch a new process?", sizeof(message));
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else
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::strncpy (message, "There is a running process, kill it and restart?", sizeof(message));
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if (!m_interpreter.Confirm (message, true))
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{
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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else
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{
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Error error (process->Destroy());
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if (error.Success())
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{
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result.SetStatus (eReturnStatusSuccessFinishResult);
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}
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else
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{
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result.AppendErrorWithFormat ("Failed to kill process: %s\n", error.AsCString());
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result.SetStatus (eReturnStatusFailed);
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}
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}
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}
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}
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if (state != eStateConnected)
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{
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const char *plugin_name;
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if (!m_options.plugin_name.empty())
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plugin_name = m_options.plugin_name.c_str();
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else
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plugin_name = NULL;
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process = target->CreateProcess (m_interpreter.GetDebugger().GetListener(), plugin_name).get();
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if (process == NULL)
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{
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result.AppendErrorWithFormat ("Failed to find a process plugin for executable.\n");
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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}
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// If no launch args were given on the command line, then use any that
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// might have been set using the "run-args" set variable.
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if (launch_args.GetArgumentCount() == 0)
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{
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if (process->GetRunArguments().GetArgumentCount() > 0)
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launch_args = process->GetRunArguments();
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}
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if (m_options.in_new_tty)
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{
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if (state == eStateConnected)
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{
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result.AppendWarning("launch in tty option is ignored when launching through a remote connection");
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m_options.in_new_tty = false;
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}
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else
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{
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char exec_file_path[PATH_MAX];
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if (exe_module->GetFileSpec().GetPath(exec_file_path, sizeof(exec_file_path)))
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{
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launch_args.InsertArgumentAtIndex(0, exec_file_path);
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}
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else
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{
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result.AppendError("invalid executable");
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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}
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}
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Args environment;
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process->GetEnvironmentAsArgs (environment);
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uint32_t launch_flags = eLaunchFlagNone;
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if (process->GetDisableASLR())
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launch_flags |= eLaunchFlagDisableASLR;
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if (m_options.in_new_tty)
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launch_flags |= eLaunchFlagLaunchInTTY;
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if (m_options.no_stdio)
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launch_flags |= eLaunchFlagDisableSTDIO;
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else if (!m_options.in_new_tty
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&& m_options.stdin_path.empty()
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&& m_options.stdout_path.empty()
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&& m_options.stderr_path.empty())
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{
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// Only use the settings value if the user hasn't specified any options that would override it.
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if (process->GetDisableSTDIO())
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launch_flags |= eLaunchFlagDisableSTDIO;
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}
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const char **inferior_argv = launch_args.GetArgumentCount() ? launch_args.GetConstArgumentVector() : NULL;
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const char **inferior_envp = environment.GetArgumentCount() ? environment.GetConstArgumentVector() : NULL;
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Error error;
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const char *working_dir = NULL;
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if (!m_options.working_dir.empty())
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working_dir = m_options.working_dir.c_str();
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const char * stdin_path = NULL;
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const char * stdout_path = NULL;
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const char * stderr_path = NULL;
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// Were any standard input/output/error paths given on the command line?
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if (m_options.stdin_path.empty() &&
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m_options.stdout_path.empty() &&
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m_options.stderr_path.empty())
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{
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// No standard file handles were given on the command line, check
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// with the process object in case they were give using "set settings"
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stdin_path = process->GetStandardInputPath();
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stdout_path = process->GetStandardOutputPath();
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stderr_path = process->GetStandardErrorPath();
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}
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else
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{
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stdin_path = m_options.stdin_path.empty() ? NULL : m_options.stdin_path.c_str();
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stdout_path = m_options.stdout_path.empty() ? NULL : m_options.stdout_path.c_str();
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stderr_path = m_options.stderr_path.empty() ? NULL : m_options.stderr_path.c_str();
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}
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error = process->Launch (inferior_argv,
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inferior_envp,
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launch_flags,
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stdin_path,
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stdout_path,
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stderr_path,
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working_dir);
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if (error.Success())
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{
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const char *archname = exe_module->GetArchitecture().GetArchitectureName();
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result.AppendMessageWithFormat ("Process %i launched: '%s' (%s)\n", process->GetID(), filename, archname);
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result.SetDidChangeProcessState (true);
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if (m_options.stop_at_entry == false)
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{
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result.SetStatus (eReturnStatusSuccessContinuingNoResult);
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StateType state = process->WaitForProcessToStop (NULL);
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if (state == eStateStopped)
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{
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error = process->Resume();
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if (error.Success())
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{
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bool synchronous_execution = m_interpreter.GetSynchronous ();
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if (synchronous_execution)
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{
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state = process->WaitForProcessToStop (NULL);
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if (!StateIsStoppedState(state))
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{
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result.AppendErrorWithFormat ("Process isn't stopped: %s", StateAsCString(state));
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}
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result.SetDidChangeProcessState (true);
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result.SetStatus (eReturnStatusSuccessFinishResult);
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}
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else
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{
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result.SetStatus (eReturnStatusSuccessContinuingNoResult);
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}
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}
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else
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{
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result.AppendErrorWithFormat ("Process resume at entry point failed: %s", error.AsCString());
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result.SetStatus (eReturnStatusFailed);
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}
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}
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else
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{
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result.AppendErrorWithFormat ("Initial process state wasn't stopped: %s", StateAsCString(state));
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result.SetStatus (eReturnStatusFailed);
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}
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}
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}
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else
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{
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result.AppendErrorWithFormat ("process launch failed: %s", error.AsCString());
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result.SetStatus (eReturnStatusFailed);
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}
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return result.Succeeded();
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}
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virtual const char *GetRepeatCommand (Args ¤t_command_args, uint32_t index)
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{
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// No repeat for "process launch"...
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return "";
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}
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protected:
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CommandOptions m_options;
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};
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#define SET1 LLDB_OPT_SET_1
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#define SET2 LLDB_OPT_SET_2
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#define SET3 LLDB_OPT_SET_3
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OptionDefinition
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CommandObjectProcessLaunch::CommandOptions::g_option_table[] =
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{
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{ 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."},
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{ SET1 , false, "stdin", 'i', required_argument, NULL, 0, eArgTypePath, "Redirect stdin for the process to <path>."},
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{ SET1 , false, "stdout", 'o', required_argument, NULL, 0, eArgTypePath, "Redirect stdout for the process to <path>."},
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{ SET1 , false, "stderr", 'e', required_argument, NULL, 0, eArgTypePath, "Redirect stderr for the process to <path>."},
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{ SET1 | SET2 | SET3, false, "plugin", 'p', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."},
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{ 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."},
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{ SET3, false, "no-stdio", 'n', no_argument, NULL, 0, eArgTypeNone, "Do not set up for terminal I/O to go to running process."},
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{ SET1 | SET2 | SET3, false, "working-dir", 'w', required_argument, NULL, 0, eArgTypePath, "Set the current working directory to <path> when running the inferior."},
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{ 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL }
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};
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#undef SET1
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#undef SET2
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#undef SET3
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//-------------------------------------------------------------------------
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// CommandObjectProcessAttach
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//-------------------------------------------------------------------------
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#pragma mark CommandObjectProcessAttach
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class CommandObjectProcessAttach : public CommandObject
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{
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public:
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class CommandOptions : public Options
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{
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public:
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CommandOptions (CommandInterpreter &interpreter) :
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Options(interpreter)
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{
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// Keep default values of all options in one place: OptionParsingStarting ()
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OptionParsingStarting ();
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}
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~CommandOptions ()
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{
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}
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Error
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SetOptionValue (uint32_t option_idx, const char *option_arg)
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{
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Error error;
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char short_option = (char) m_getopt_table[option_idx].val;
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bool success = false;
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switch (short_option)
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{
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case 'p':
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pid = Args::StringToUInt32 (option_arg, LLDB_INVALID_PROCESS_ID, 0, &success);
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if (!success || pid == LLDB_INVALID_PROCESS_ID)
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{
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error.SetErrorStringWithFormat("Invalid process ID '%s'.\n", option_arg);
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}
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break;
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case 'P':
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plugin_name = option_arg;
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break;
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case 'n':
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name.assign(option_arg);
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break;
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case 'w':
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waitfor = true;
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break;
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default:
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error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option);
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break;
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}
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return error;
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}
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void
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OptionParsingStarting ()
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{
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pid = LLDB_INVALID_PROCESS_ID;
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name.clear();
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waitfor = false;
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}
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const OptionDefinition*
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GetDefinitions ()
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{
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return g_option_table;
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}
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virtual bool
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HandleOptionArgumentCompletion (Args &input,
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int cursor_index,
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int char_pos,
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OptionElementVector &opt_element_vector,
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int opt_element_index,
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int match_start_point,
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int max_return_elements,
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bool &word_complete,
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StringList &matches)
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{
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int opt_arg_pos = opt_element_vector[opt_element_index].opt_arg_pos;
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int opt_defs_index = opt_element_vector[opt_element_index].opt_defs_index;
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// We are only completing the name option for now...
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const OptionDefinition *opt_defs = GetDefinitions();
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if (opt_defs[opt_defs_index].short_option == 'n')
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{
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// Are we in the name?
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// Look to see if there is a -P argument provided, and if so use that plugin, otherwise
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// use the default plugin.
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const char *partial_name = NULL;
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partial_name = input.GetArgumentAtIndex(opt_arg_pos);
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PlatformSP platform_sp (m_interpreter.GetPlatform (true));
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if (platform_sp)
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{
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ProcessInstanceInfoList process_infos;
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ProcessInstanceInfoMatch match_info;
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if (partial_name)
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{
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match_info.GetProcessInfo().SetName(partial_name);
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match_info.SetNameMatchType(eNameMatchStartsWith);
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}
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platform_sp->FindProcesses (match_info, process_infos);
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const uint32_t num_matches = process_infos.GetSize();
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if (num_matches > 0)
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{
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for (uint32_t i=0; i<num_matches; ++i)
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{
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matches.AppendString (process_infos.GetProcessNameAtIndex(i),
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process_infos.GetProcessNameLengthAtIndex(i));
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}
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}
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}
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}
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return false;
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}
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|
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// Options table: Required for subclasses of Options.
|
|
|
|
static OptionDefinition g_option_table[];
|
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|
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// Instance variables to hold the values for command options.
|
|
|
|
lldb::pid_t pid;
|
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std::string plugin_name;
|
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std::string name;
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bool waitfor;
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};
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|
|
CommandObjectProcessAttach (CommandInterpreter &interpreter) :
|
|
CommandObject (interpreter,
|
|
"process attach",
|
|
"Attach to a process.",
|
|
"process attach <cmd-options>"),
|
|
m_options (interpreter)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessAttach ()
|
|
{
|
|
}
|
|
|
|
bool
|
|
Execute (Args& command,
|
|
CommandReturnObject &result)
|
|
{
|
|
Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
|
|
bool synchronous_execution = m_interpreter.GetSynchronous ();
|
|
|
|
Process *process = m_interpreter.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,
|
|
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)
|
|
{
|
|
ProcessInstanceInfoList process_infos;
|
|
PlatformSP platform_sp (m_interpreter.GetPlatform (true));
|
|
if (platform_sp)
|
|
{
|
|
ProcessInstanceInfoMatch match_info (wait_name, eNameMatchEquals);
|
|
platform_sp->FindProcesses (match_info, process_infos);
|
|
}
|
|
if (process_infos.GetSize() > 1)
|
|
{
|
|
result.AppendErrorWithFormat("More than one process named %s\n", wait_name);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
else if (process_infos.GetSize() == 0)
|
|
{
|
|
result.AppendErrorWithFormat("Could not find a process named %s\n", wait_name);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
attach_pid = process_infos.GetProcessIDAtIndex (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];
|
|
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().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;
|
|
};
|
|
|
|
|
|
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.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.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 (CommandInterpreter &interpreter) :
|
|
Options(interpreter)
|
|
{
|
|
// Keep default values of all options in one place: OptionParsingStarting ()
|
|
OptionParsingStarting ();
|
|
}
|
|
|
|
~CommandOptions ()
|
|
{
|
|
}
|
|
|
|
Error
|
|
SetOptionValue (uint32_t 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
|
|
OptionParsingStarting ()
|
|
{
|
|
plugin_name.clear();
|
|
}
|
|
|
|
const OptionDefinition*
|
|
GetDefinitions ()
|
|
{
|
|
return g_option_table;
|
|
}
|
|
|
|
// Options table: Required for subclasses of Options.
|
|
|
|
static 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),
|
|
m_options (interpreter)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessConnect ()
|
|
{
|
|
}
|
|
|
|
|
|
bool
|
|
Execute (Args& command,
|
|
CommandReturnObject &result)
|
|
{
|
|
|
|
TargetSP target_sp (m_interpreter.GetDebugger().GetSelectedTarget());
|
|
Error error;
|
|
Process *process = m_interpreter.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,
|
|
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;
|
|
};
|
|
|
|
|
|
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.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);
|
|
process->GetTarget().GetPlatform()->ResolveRemotePath(image_spec, image_spec);
|
|
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.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.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.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.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 &strm = result.GetOutputStream();
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
ExecutionContext exe_ctx(m_interpreter.GetExecutionContext());
|
|
if (exe_ctx.process)
|
|
{
|
|
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;
|
|
exe_ctx.process->GetStatus(strm);
|
|
exe_ctx.process->GetThreadStatus (strm,
|
|
only_threads_with_stop_reason,
|
|
start_frame,
|
|
num_frames,
|
|
num_frames_with_source);
|
|
|
|
}
|
|
else
|
|
{
|
|
result.AppendError ("No process.");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessHandle
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessHandle
|
|
|
|
class CommandObjectProcessHandle : public CommandObject
|
|
{
|
|
public:
|
|
|
|
class CommandOptions : public Options
|
|
{
|
|
public:
|
|
|
|
CommandOptions (CommandInterpreter &interpreter) :
|
|
Options (interpreter)
|
|
{
|
|
OptionParsingStarting ();
|
|
}
|
|
|
|
~CommandOptions ()
|
|
{
|
|
}
|
|
|
|
Error
|
|
SetOptionValue (uint32_t 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
|
|
OptionParsingStarting ()
|
|
{
|
|
stop.clear();
|
|
notify.clear();
|
|
pass.clear();
|
|
}
|
|
|
|
const OptionDefinition*
|
|
GetDefinitions ()
|
|
{
|
|
return g_option_table;
|
|
}
|
|
|
|
// Options table: Required for subclasses of Options.
|
|
|
|
static 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),
|
|
m_options (interpreter)
|
|
{
|
|
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;
|
|
};
|
|
|
|
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 ()
|
|
{
|
|
}
|
|
|