/
CommandObjectProcess.cpp
1934 lines (1671 loc) · 70.7 KB
/
CommandObjectProcess.cpp
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//===-- 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/Breakpoint/Breakpoint.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Breakpoint/BreakpointSite.h"
#include "lldb/Core/State.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/StringConvert.h"
#include "lldb/Interpreter/Args.h"
#include "lldb/Interpreter/Options.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Target/Platform.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/UnixSignals.h"
using namespace lldb;
using namespace lldb_private;
class CommandObjectProcessLaunchOrAttach : public CommandObjectParsed
{
public:
CommandObjectProcessLaunchOrAttach (CommandInterpreter &interpreter,
const char *name,
const char *help,
const char *syntax,
uint32_t flags,
const char *new_process_action) :
CommandObjectParsed (interpreter, name, help, syntax, flags),
m_new_process_action (new_process_action) {}
~CommandObjectProcessLaunchOrAttach () override {}
protected:
bool
StopProcessIfNecessary (Process *process, StateType &state, CommandReturnObject &result)
{
state = eStateInvalid;
if (process)
{
state = process->GetState();
if (process->IsAlive() && state != eStateConnected)
{
char message[1024];
if (process->GetState() == eStateAttaching)
::snprintf (message, sizeof(message), "There is a pending attach, abort it and %s?", m_new_process_action.c_str());
else if (process->GetShouldDetach())
::snprintf (message, sizeof(message), "There is a running process, detach from it and %s?", m_new_process_action.c_str());
else
::snprintf (message, sizeof(message), "There is a running process, kill it and %s?", m_new_process_action.c_str());
if (!m_interpreter.Confirm (message, true))
{
result.SetStatus (eReturnStatusFailed);
return false;
}
else
{
if (process->GetShouldDetach())
{
bool keep_stopped = false;
Error detach_error (process->Detach(keep_stopped));
if (detach_error.Success())
{
result.SetStatus (eReturnStatusSuccessFinishResult);
process = NULL;
}
else
{
result.AppendErrorWithFormat ("Failed to detach from process: %s\n", detach_error.AsCString());
result.SetStatus (eReturnStatusFailed);
}
}
else
{
Error destroy_error (process->Destroy(false));
if (destroy_error.Success())
{
result.SetStatus (eReturnStatusSuccessFinishResult);
process = NULL;
}
else
{
result.AppendErrorWithFormat ("Failed to kill process: %s\n", destroy_error.AsCString());
result.SetStatus (eReturnStatusFailed);
}
}
}
}
}
return result.Succeeded();
}
std::string m_new_process_action;
};
//-------------------------------------------------------------------------
// CommandObjectProcessLaunch
//-------------------------------------------------------------------------
#pragma mark CommandObjectProcessLaunch
class CommandObjectProcessLaunch : public CommandObjectProcessLaunchOrAttach
{
public:
CommandObjectProcessLaunch (CommandInterpreter &interpreter) :
CommandObjectProcessLaunchOrAttach (interpreter,
"process launch",
"Launch the executable in the debugger.",
NULL,
eCommandRequiresTarget,
"restart"),
m_options (interpreter)
{
CommandArgumentEntry arg;
CommandArgumentData run_args_arg;
// Define the first (and only) variant of this arg.
run_args_arg.arg_type = eArgTypeRunArgs;
run_args_arg.arg_repetition = eArgRepeatOptional;
// There is only one variant this argument could be; put it into the argument entry.
arg.push_back (run_args_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back (arg);
}
~CommandObjectProcessLaunch () override
{
}
int
HandleArgumentCompletion (Args &input,
int &cursor_index,
int &cursor_char_position,
OptionElementVector &opt_element_vector,
int match_start_point,
int max_return_elements,
bool &word_complete,
StringList &matches) override
{
std::string completion_str (input.GetArgumentAtIndex(cursor_index));
completion_str.erase (cursor_char_position);
CommandCompletions::InvokeCommonCompletionCallbacks (m_interpreter,
CommandCompletions::eDiskFileCompletion,
completion_str.c_str(),
match_start_point,
max_return_elements,
NULL,
word_complete,
matches);
return matches.GetSize();
}
Options *
GetOptions () override
{
return &m_options;
}
const char *
GetRepeatCommand (Args ¤t_command_args, uint32_t index) override
{
// No repeat for "process launch"...
return "";
}
protected:
bool
DoExecute (Args& launch_args, CommandReturnObject &result) override
{
Debugger &debugger = m_interpreter.GetDebugger();
Target *target = debugger.GetSelectedTarget().get();
// If our listener is NULL, users aren't allows to launch
ModuleSP exe_module_sp = target->GetExecutableModule();
if (exe_module_sp == NULL)
{
result.AppendError ("no file in target, create a debug target using the 'target create' command");
result.SetStatus (eReturnStatusFailed);
return false;
}
StateType state = eStateInvalid;
if (!StopProcessIfNecessary(m_exe_ctx.GetProcessPtr(), state, result))
return false;
const char *target_settings_argv0 = target->GetArg0();
// Determine whether we will disable ASLR or leave it in the default state (i.e. enabled if the platform supports it).
// First check if the process launch options explicitly turn on/off disabling ASLR. If so, use that setting;
// otherwise, use the 'settings target.disable-aslr' setting.
bool disable_aslr = false;
if (m_options.disable_aslr != eLazyBoolCalculate)
{
// The user specified an explicit setting on the process launch line. Use it.
disable_aslr = (m_options.disable_aslr == eLazyBoolYes);
}
else
{
// The user did not explicitly specify whether to disable ASLR. Fall back to the target.disable-aslr setting.
disable_aslr = target->GetDisableASLR ();
}
if (disable_aslr)
m_options.launch_info.GetFlags().Set (eLaunchFlagDisableASLR);
else
m_options.launch_info.GetFlags().Clear (eLaunchFlagDisableASLR);
if (target->GetDetachOnError())
m_options.launch_info.GetFlags().Set (eLaunchFlagDetachOnError);
if (target->GetDisableSTDIO())
m_options.launch_info.GetFlags().Set (eLaunchFlagDisableSTDIO);
Args environment;
target->GetEnvironmentAsArgs (environment);
if (environment.GetArgumentCount() > 0)
m_options.launch_info.GetEnvironmentEntries ().AppendArguments (environment);
if (target_settings_argv0)
{
m_options.launch_info.GetArguments().AppendArgument (target_settings_argv0);
m_options.launch_info.SetExecutableFile(exe_module_sp->GetPlatformFileSpec(), false);
}
else
{
m_options.launch_info.SetExecutableFile(exe_module_sp->GetPlatformFileSpec(), true);
}
if (launch_args.GetArgumentCount() == 0)
{
m_options.launch_info.GetArguments().AppendArguments (target->GetProcessLaunchInfo().GetArguments());
}
else
{
m_options.launch_info.GetArguments().AppendArguments (launch_args);
// Save the arguments for subsequent runs in the current target.
target->SetRunArguments (launch_args);
}
StreamString stream;
Error error = target->Launch(m_options.launch_info, &stream);
if (error.Success())
{
ProcessSP process_sp (target->GetProcessSP());
if (process_sp)
{
// There is a race condition where this thread will return up the call stack to the main command
// handler and show an (lldb) prompt before HandlePrivateEvent (from PrivateStateThread) has
// a chance to call PushProcessIOHandler().
process_sp->SyncIOHandler (0, 2000);
const char *data = stream.GetData();
if (data && strlen(data) > 0)
result.AppendMessage(stream.GetData());
const char *archname = exe_module_sp->GetArchitecture().GetArchitectureName();
result.AppendMessageWithFormat ("Process %" PRIu64 " launched: '%s' (%s)\n", process_sp->GetID(), exe_module_sp->GetFileSpec().GetPath().c_str(), archname);
result.SetStatus (eReturnStatusSuccessFinishResult);
result.SetDidChangeProcessState (true);
}
else
{
result.AppendError("no error returned from Target::Launch, and target has no process");
result.SetStatus (eReturnStatusFailed);
}
}
else
{
result.AppendError(error.AsCString());
result.SetStatus (eReturnStatusFailed);
}
return result.Succeeded();
}
protected:
ProcessLaunchCommandOptions m_options;
};
//#define SET1 LLDB_OPT_SET_1
//#define SET2 LLDB_OPT_SET_2
//#define SET3 LLDB_OPT_SET_3
//
//OptionDefinition
//CommandObjectProcessLaunch::CommandOptions::g_option_table[] =
//{
//{ SET1 | SET2 | SET3, false, "stop-at-entry", 's', OptionParser::eNoArgument, NULL, 0, eArgTypeNone, "Stop at the entry point of the program when launching a process."},
//{ SET1 , false, "stdin", 'i', OptionParser::eRequiredArgument, NULL, 0, eArgTypeDirectoryName, "Redirect stdin for the process to <path>."},
//{ SET1 , false, "stdout", 'o', OptionParser::eRequiredArgument, NULL, 0, eArgTypeDirectoryName, "Redirect stdout for the process to <path>."},
//{ SET1 , false, "stderr", 'e', OptionParser::eRequiredArgument, NULL, 0, eArgTypeDirectoryName, "Redirect stderr for the process to <path>."},
//{ SET1 | SET2 | SET3, false, "plugin", 'p', OptionParser::eRequiredArgument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."},
//{ SET2 , false, "tty", 't', OptionParser::eOptionalArgument, NULL, 0, eArgTypeDirectoryName, "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', OptionParser::eNoArgument, NULL, 0, eArgTypeNone, "Do not set up for terminal I/O to go to running process."},
//{ SET1 | SET2 | SET3, false, "working-dir", 'w', OptionParser::eRequiredArgument, NULL, 0, eArgTypeDirectoryName, "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 CommandObjectProcessLaunchOrAttach
{
public:
class CommandOptions : public Options
{
public:
CommandOptions (CommandInterpreter &interpreter) :
Options(interpreter)
{
// Keep default values of all options in one place: OptionParsingStarting ()
OptionParsingStarting ();
}
~CommandOptions () override
{
}
Error
SetOptionValue (uint32_t option_idx, const char *option_arg) override
{
Error error;
const int short_option = m_getopt_table[option_idx].val;
bool success = false;
switch (short_option)
{
case 'c':
attach_info.SetContinueOnceAttached(true);
break;
case 'p':
{
lldb::pid_t pid = StringConvert::ToUInt32 (option_arg, LLDB_INVALID_PROCESS_ID, 0, &success);
if (!success || pid == LLDB_INVALID_PROCESS_ID)
{
error.SetErrorStringWithFormat("invalid process ID '%s'", option_arg);
}
else
{
attach_info.SetProcessID (pid);
}
}
break;
case 'P':
attach_info.SetProcessPluginName (option_arg);
break;
case 'n':
attach_info.GetExecutableFile().SetFile(option_arg, false);
break;
case 'w':
attach_info.SetWaitForLaunch(true);
break;
case 'i':
attach_info.SetIgnoreExisting(false);
break;
default:
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
break;
}
return error;
}
void
OptionParsingStarting () override
{
attach_info.Clear();
}
const OptionDefinition*
GetDefinitions () override
{
return g_option_table;
}
bool
HandleOptionArgumentCompletion (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) override
{
int opt_arg_pos = opt_element_vector[opt_element_index].opt_arg_pos;
int opt_defs_index = opt_element_vector[opt_element_index].opt_defs_index;
// We are only completing the name option for now...
const 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.
const char *partial_name = NULL;
partial_name = input.GetArgumentAtIndex(opt_arg_pos);
PlatformSP platform_sp (m_interpreter.GetPlatform (true));
if (platform_sp)
{
ProcessInstanceInfoList process_infos;
ProcessInstanceInfoMatch match_info;
if (partial_name)
{
match_info.GetProcessInfo().GetExecutableFile().SetFile(partial_name, false);
match_info.SetNameMatchType(eNameMatchStartsWith);
}
platform_sp->FindProcesses (match_info, process_infos);
const size_t num_matches = process_infos.GetSize();
if (num_matches > 0)
{
for (size_t i=0; i<num_matches; ++i)
{
matches.AppendString (process_infos.GetProcessNameAtIndex(i),
process_infos.GetProcessNameLengthAtIndex(i));
}
}
}
}
return false;
}
// Options table: Required for subclasses of Options.
static OptionDefinition g_option_table[];
// Instance variables to hold the values for command options.
ProcessAttachInfo attach_info;
};
CommandObjectProcessAttach (CommandInterpreter &interpreter) :
CommandObjectProcessLaunchOrAttach (interpreter,
"process attach",
"Attach to a process.",
"process attach <cmd-options>",
0,
"attach"),
m_options (interpreter)
{
}
~CommandObjectProcessAttach () override
{
}
Options *
GetOptions () override
{
return &m_options;
}
protected:
bool
DoExecute (Args& command, CommandReturnObject &result) override
{
PlatformSP platform_sp (m_interpreter.GetDebugger().GetPlatformList().GetSelectedPlatform());
Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
// N.B. The attach should be synchronous. It doesn't help much to get the prompt back between initiating the attach
// and the target actually stopping. So even if the interpreter is set to be asynchronous, we wait for the stop
// ourselves here.
StateType state = eStateInvalid;
Process *process = m_exe_ctx.GetProcessPtr();
if (!StopProcessIfNecessary (process, state, result))
return false;
if (target == NULL)
{
// If there isn't a current target create one.
TargetSP new_target_sp;
Error error;
error = m_interpreter.GetDebugger().GetTargetList().CreateTarget (m_interpreter.GetDebugger(),
NULL,
NULL,
false,
NULL, // No platform options
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: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str());
result.SetStatus (eReturnStatusFailed);
return false;
}
m_interpreter.UpdateExecutionContext(nullptr);
StreamString stream;
const auto error = target->Attach(m_options.attach_info, &stream);
if (error.Success())
{
ProcessSP process_sp (target->GetProcessSP());
if (process_sp)
{
if (stream.GetData())
result.AppendMessage(stream.GetData());
result.SetStatus (eReturnStatusSuccessFinishNoResult);
result.SetDidChangeProcessState (true);
}
else
{
result.AppendError("no error returned from Target::Attach, and target has no process");
result.SetStatus (eReturnStatusFailed);
}
}
else
{
result.AppendErrorWithFormat ("attach failed: %s\n", error.AsCString());
result.SetStatus (eReturnStatusFailed);
}
if (!result.Succeeded())
return false;
// Okay, we're done. Last step is to warn if the executable module has changed:
char new_path[PATH_MAX];
ModuleSP new_exec_module_sp (target->GetExecutableModule());
if (!old_exec_module_sp)
{
// We might not have a module if we attached to a raw pid...
if (new_exec_module_sp)
{
new_exec_module_sp->GetFileSpec().GetPath(new_path, PATH_MAX);
result.AppendMessageWithFormat("Executable module set to \"%s\".\n", new_path);
}
}
else if (old_exec_module_sp->GetFileSpec() != new_exec_module_sp->GetFileSpec())
{
char old_path[PATH_MAX];
old_exec_module_sp->GetFileSpec().GetPath (old_path, PATH_MAX);
new_exec_module_sp->GetFileSpec().GetPath (new_path, PATH_MAX);
result.AppendWarningWithFormat("Executable module changed from \"%s\" to \"%s\".\n",
old_path, new_path);
}
if (!old_arch_spec.IsValid())
{
result.AppendMessageWithFormat ("Architecture set to: %s.\n", target->GetArchitecture().GetTriple().getTriple().c_str());
}
else if (!old_arch_spec.IsExactMatch(target->GetArchitecture()))
{
result.AppendWarningWithFormat("Architecture changed from %s to %s.\n",
old_arch_spec.GetTriple().getTriple().c_str(),
target->GetArchitecture().GetTriple().getTriple().c_str());
}
// This supports the use-case scenario of immediately continuing the process once attached.
if (m_options.attach_info.GetContinueOnceAttached())
m_interpreter.HandleCommand("process continue", eLazyBoolNo, result);
return result.Succeeded();
}
CommandOptions m_options;
};
OptionDefinition
CommandObjectProcessAttach::CommandOptions::g_option_table[] =
{
{ LLDB_OPT_SET_ALL, false, "continue",'c', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone, "Immediately continue the process once attached."},
{ LLDB_OPT_SET_ALL, false, "plugin", 'P', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."},
{ LLDB_OPT_SET_1, false, "pid", 'p', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypePid, "The process ID of an existing process to attach to."},
{ LLDB_OPT_SET_2, false, "name", 'n', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeProcessName, "The name of the process to attach to."},
{ LLDB_OPT_SET_2, false, "include-existing", 'i', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone, "Include existing processes when doing attach -w."},
{ LLDB_OPT_SET_2, false, "waitfor", 'w', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone, "Wait for the process with <process-name> to launch."},
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
};
//-------------------------------------------------------------------------
// CommandObjectProcessContinue
//-------------------------------------------------------------------------
#pragma mark CommandObjectProcessContinue
class CommandObjectProcessContinue : public CommandObjectParsed
{
public:
CommandObjectProcessContinue (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"process continue",
"Continue execution of all threads in the current process.",
"process continue",
eCommandRequiresProcess |
eCommandTryTargetAPILock |
eCommandProcessMustBeLaunched |
eCommandProcessMustBePaused ),
m_options(interpreter)
{
}
~CommandObjectProcessContinue () override
{
}
protected:
class CommandOptions : public Options
{
public:
CommandOptions (CommandInterpreter &interpreter) :
Options(interpreter)
{
// Keep default values of all options in one place: OptionParsingStarting ()
OptionParsingStarting ();
}
~CommandOptions () override
{
}
Error
SetOptionValue (uint32_t option_idx, const char *option_arg) override
{
Error error;
const int short_option = m_getopt_table[option_idx].val;
bool success = false;
switch (short_option)
{
case 'i':
m_ignore = StringConvert::ToUInt32 (option_arg, 0, 0, &success);
if (!success)
error.SetErrorStringWithFormat ("invalid value for ignore option: \"%s\", should be a number.", option_arg);
break;
default:
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
break;
}
return error;
}
void
OptionParsingStarting () override
{
m_ignore = 0;
}
const OptionDefinition*
GetDefinitions () override
{
return g_option_table;
}
// Options table: Required for subclasses of Options.
static OptionDefinition g_option_table[];
uint32_t m_ignore;
};
bool
DoExecute (Args& command, CommandReturnObject &result) override
{
Process *process = m_exe_ctx.GetProcessPtr();
bool synchronous_execution = m_interpreter.GetSynchronous ();
StateType state = process->GetState();
if (state == eStateStopped)
{
if (command.GetArgumentCount() != 0)
{
result.AppendErrorWithFormat ("The '%s' command does not take any arguments.\n", m_cmd_name.c_str());
result.SetStatus (eReturnStatusFailed);
return false;
}
if (m_options.m_ignore > 0)
{
ThreadSP sel_thread_sp(process->GetThreadList().GetSelectedThread());
if (sel_thread_sp)
{
StopInfoSP stop_info_sp = sel_thread_sp->GetStopInfo();
if (stop_info_sp && stop_info_sp->GetStopReason() == eStopReasonBreakpoint)
{
lldb::break_id_t bp_site_id = (lldb::break_id_t)stop_info_sp->GetValue();
BreakpointSiteSP bp_site_sp(process->GetBreakpointSiteList().FindByID(bp_site_id));
if (bp_site_sp)
{
const size_t num_owners = bp_site_sp->GetNumberOfOwners();
for (size_t i = 0; i < num_owners; i++)
{
Breakpoint &bp_ref = bp_site_sp->GetOwnerAtIndex(i)->GetBreakpoint();
if (!bp_ref.IsInternal())
{
bp_ref.SetIgnoreCount(m_options.m_ignore);
}
}
}
}
}
}
{ // Scope for thread list mutex:
Mutex::Locker locker (process->GetThreadList().GetMutex());
const uint32_t num_threads = process->GetThreadList().GetSize();
// Set the actions that the threads should each take when resuming
for (uint32_t idx=0; idx<num_threads; ++idx)
{
const bool override_suspend = false;
process->GetThreadList().GetThreadAtIndex(idx)->SetResumeState (eStateRunning, override_suspend);
}
}
const uint32_t iohandler_id = process->GetIOHandlerID();
StreamString stream;
Error error;
if (synchronous_execution)
error = process->ResumeSynchronous (&stream);
else
error = process->Resume ();
if (error.Success())
{
// There is a race condition where this thread will return up the call stack to the main command
// handler and show an (lldb) prompt before HandlePrivateEvent (from PrivateStateThread) has
// a chance to call PushProcessIOHandler().
process->SyncIOHandler(iohandler_id, 2000);
result.AppendMessageWithFormat ("Process %" PRIu64 " resuming\n", process->GetID());
if (synchronous_execution)
{
// If any state changed events had anything to say, add that to the result
if (stream.GetData())
result.AppendMessage(stream.GetData());
result.SetDidChangeProcessState (true);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
result.SetStatus (eReturnStatusSuccessContinuingNoResult);
}
}
else
{
result.AppendErrorWithFormat("Failed to resume process: %s.\n", error.AsCString());
result.SetStatus (eReturnStatusFailed);
}
}
else
{
result.AppendErrorWithFormat ("Process cannot be continued from its current state (%s).\n",
StateAsCString(state));
result.SetStatus (eReturnStatusFailed);
}
return result.Succeeded();
}
Options *
GetOptions () override
{
return &m_options;
}
CommandOptions m_options;
};
OptionDefinition
CommandObjectProcessContinue::CommandOptions::g_option_table[] =
{
{ LLDB_OPT_SET_ALL, false, "ignore-count",'i', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeUnsignedInteger,
"Ignore <N> crossings of the breakpoint (if it exists) for the currently selected thread."},
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
};
//-------------------------------------------------------------------------
// CommandObjectProcessDetach
//-------------------------------------------------------------------------
#pragma mark CommandObjectProcessDetach
class CommandObjectProcessDetach : public CommandObjectParsed
{
public:
class CommandOptions : public Options
{
public:
CommandOptions (CommandInterpreter &interpreter) :
Options (interpreter)
{
OptionParsingStarting ();
}
~CommandOptions () override
{
}
Error
SetOptionValue (uint32_t option_idx, const char *option_arg) override
{
Error error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option)
{
case 's':
bool tmp_result;
bool success;
tmp_result = Args::StringToBoolean(option_arg, false, &success);
if (!success)
error.SetErrorStringWithFormat("invalid boolean option: \"%s\"", option_arg);
else
{
if (tmp_result)
m_keep_stopped = eLazyBoolYes;
else
m_keep_stopped = eLazyBoolNo;
}
break;
default:
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
break;
}
return error;
}
void
OptionParsingStarting () override
{
m_keep_stopped = eLazyBoolCalculate;
}
const OptionDefinition*
GetDefinitions () override
{
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.
LazyBool m_keep_stopped;
};
CommandObjectProcessDetach (CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"process detach",
"Detach from the current process being debugged.",
"process detach",
eCommandRequiresProcess |
eCommandTryTargetAPILock |
eCommandProcessMustBeLaunched),
m_options(interpreter)
{
}
~CommandObjectProcessDetach () override
{
}
Options *
GetOptions () override
{
return &m_options;
}
protected:
bool
DoExecute (Args& command, CommandReturnObject &result) override
{
Process *process = m_exe_ctx.GetProcessPtr();
// FIXME: This will be a Command Option:
bool keep_stopped;
if (m_options.m_keep_stopped == eLazyBoolCalculate)
{
// Check the process default:
if (process->GetDetachKeepsStopped())
keep_stopped = true;
else
keep_stopped = false;
}
else if (m_options.m_keep_stopped == eLazyBoolYes)
keep_stopped = true;
else
keep_stopped = false;
Error error (process->Detach(keep_stopped));
if (error.Success())
{
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else
{
result.AppendErrorWithFormat ("Detach failed: %s\n", error.AsCString());
result.SetStatus (eReturnStatusFailed);
return false;
}
return result.Succeeded();
}
CommandOptions m_options;
};
OptionDefinition
CommandObjectProcessDetach::CommandOptions::g_option_table[] =
{
{ LLDB_OPT_SET_1, false, "keep-stopped", 's', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeBoolean, "Whether or not the process should be kept stopped on detach (if possible)." },
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
};
//-------------------------------------------------------------------------
// CommandObjectProcessConnect
//-------------------------------------------------------------------------
#pragma mark CommandObjectProcessConnect
class CommandObjectProcessConnect : public CommandObjectParsed
{
public:
class CommandOptions : public Options
{
public:
CommandOptions (CommandInterpreter &interpreter) :
Options(interpreter)
{
// Keep default values of all options in one place: OptionParsingStarting ()
OptionParsingStarting ();
}
~CommandOptions () override
{
}
Error
SetOptionValue (uint32_t option_idx, const char *option_arg) override
{
Error error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option)
{
case 'p':
plugin_name.assign (option_arg);
break;