Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1 | //===-- Process.cpp ---------------------------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "lldb/Target/Process.h" |
| 11 | |
| 12 | #include "lldb/lldb-private-log.h" |
| 13 | |
| 14 | #include "lldb/Breakpoint/StoppointCallbackContext.h" |
| 15 | #include "lldb/Breakpoint/BreakpointLocation.h" |
| 16 | #include "lldb/Core/Event.h" |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 17 | #include "lldb/Core/ConnectionFileDescriptor.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 18 | #include "lldb/Core/Debugger.h" |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 19 | #include "lldb/Core/InputReader.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 20 | #include "lldb/Core/Log.h" |
| 21 | #include "lldb/Core/PluginManager.h" |
| 22 | #include "lldb/Core/State.h" |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 23 | #include "lldb/Interpreter/CommandInterpreter.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 24 | #include "lldb/Host/Host.h" |
| 25 | #include "lldb/Target/ABI.h" |
Greg Clayton | 0baa394 | 2010-11-04 01:54:29 +0000 | [diff] [blame] | 26 | #include "lldb/Target/DynamicLoader.h" |
Jim Ingham | 642036f | 2010-09-23 02:01:19 +0000 | [diff] [blame] | 27 | #include "lldb/Target/LanguageRuntime.h" |
| 28 | #include "lldb/Target/CPPLanguageRuntime.h" |
| 29 | #include "lldb/Target/ObjCLanguageRuntime.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 30 | #include "lldb/Target/RegisterContext.h" |
Greg Clayton | 643ee73 | 2010-08-04 01:40:35 +0000 | [diff] [blame] | 31 | #include "lldb/Target/StopInfo.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 32 | #include "lldb/Target/Target.h" |
| 33 | #include "lldb/Target/TargetList.h" |
| 34 | #include "lldb/Target/Thread.h" |
| 35 | #include "lldb/Target/ThreadPlan.h" |
| 36 | |
| 37 | using namespace lldb; |
| 38 | using namespace lldb_private; |
| 39 | |
| 40 | Process* |
| 41 | Process::FindPlugin (Target &target, const char *plugin_name, Listener &listener) |
| 42 | { |
| 43 | ProcessCreateInstance create_callback = NULL; |
| 44 | if (plugin_name) |
| 45 | { |
| 46 | create_callback = PluginManager::GetProcessCreateCallbackForPluginName (plugin_name); |
| 47 | if (create_callback) |
| 48 | { |
| 49 | std::auto_ptr<Process> debugger_ap(create_callback(target, listener)); |
| 50 | if (debugger_ap->CanDebug(target)) |
| 51 | return debugger_ap.release(); |
| 52 | } |
| 53 | } |
| 54 | else |
| 55 | { |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 56 | for (uint32_t idx = 0; (create_callback = PluginManager::GetProcessCreateCallbackAtIndex(idx)) != NULL; ++idx) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 57 | { |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 58 | std::auto_ptr<Process> debugger_ap(create_callback(target, listener)); |
| 59 | if (debugger_ap->CanDebug(target)) |
| 60 | return debugger_ap.release(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 61 | } |
| 62 | } |
| 63 | return NULL; |
| 64 | } |
| 65 | |
| 66 | |
| 67 | //---------------------------------------------------------------------- |
| 68 | // Process constructor |
| 69 | //---------------------------------------------------------------------- |
| 70 | Process::Process(Target &target, Listener &listener) : |
| 71 | UserID (LLDB_INVALID_PROCESS_ID), |
Greg Clayton | 49ce682 | 2010-10-31 03:01:06 +0000 | [diff] [blame] | 72 | Broadcaster ("lldb.process"), |
Greg Clayton | c0c1b0c | 2010-11-19 03:46:01 +0000 | [diff] [blame] | 73 | ProcessInstanceSettings (*GetSettingsController()), |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 74 | m_target (target), |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 75 | m_public_state (eStateUnloaded), |
| 76 | m_private_state (eStateUnloaded), |
| 77 | m_private_state_broadcaster ("lldb.process.internal_state_broadcaster"), |
| 78 | m_private_state_control_broadcaster ("lldb.process.internal_state_control_broadcaster"), |
| 79 | m_private_state_listener ("lldb.process.internal_state_listener"), |
| 80 | m_private_state_control_wait(), |
| 81 | m_private_state_thread (LLDB_INVALID_HOST_THREAD), |
| 82 | m_stop_id (0), |
| 83 | m_thread_index_id (0), |
| 84 | m_exit_status (-1), |
| 85 | m_exit_string (), |
| 86 | m_thread_list (this), |
| 87 | m_notifications (), |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 88 | m_image_tokens (), |
| 89 | m_listener (listener), |
| 90 | m_breakpoint_site_list (), |
| 91 | m_persistent_vars (), |
| 92 | m_dynamic_checkers_ap (), |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 93 | m_unix_signals (), |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 94 | m_target_triple (), |
| 95 | m_byte_order (eByteOrderHost), |
| 96 | m_addr_byte_size (0), |
| 97 | m_abi_sp (), |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 98 | m_process_input_reader (), |
Caroline Tice | 9ac497b | 2010-12-02 18:31:56 +0000 | [diff] [blame] | 99 | m_stdio_communication ("lldb.process.stdio", true), |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 100 | m_stdio_communication_mutex (Mutex::eMutexTypeRecursive), |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 101 | m_stdout_data () |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 102 | { |
Caroline Tice | 1ebef44 | 2010-09-27 00:30:10 +0000 | [diff] [blame] | 103 | UpdateInstanceName(); |
| 104 | |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 105 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 106 | if (log) |
| 107 | log->Printf ("%p Process::Process()", this); |
| 108 | |
Greg Clayton | 49ce682 | 2010-10-31 03:01:06 +0000 | [diff] [blame] | 109 | SetEventName (eBroadcastBitStateChanged, "state-changed"); |
| 110 | SetEventName (eBroadcastBitInterrupt, "interrupt"); |
| 111 | SetEventName (eBroadcastBitSTDOUT, "stdout-available"); |
| 112 | SetEventName (eBroadcastBitSTDERR, "stderr-available"); |
| 113 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 114 | listener.StartListeningForEvents (this, |
| 115 | eBroadcastBitStateChanged | |
| 116 | eBroadcastBitInterrupt | |
| 117 | eBroadcastBitSTDOUT | |
| 118 | eBroadcastBitSTDERR); |
| 119 | |
| 120 | m_private_state_listener.StartListeningForEvents(&m_private_state_broadcaster, |
| 121 | eBroadcastBitStateChanged); |
| 122 | |
| 123 | m_private_state_listener.StartListeningForEvents(&m_private_state_control_broadcaster, |
| 124 | eBroadcastInternalStateControlStop | |
| 125 | eBroadcastInternalStateControlPause | |
| 126 | eBroadcastInternalStateControlResume); |
| 127 | } |
| 128 | |
| 129 | //---------------------------------------------------------------------- |
| 130 | // Destructor |
| 131 | //---------------------------------------------------------------------- |
| 132 | Process::~Process() |
| 133 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 134 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 135 | if (log) |
| 136 | log->Printf ("%p Process::~Process()", this); |
| 137 | StopPrivateStateThread(); |
| 138 | } |
| 139 | |
| 140 | void |
| 141 | Process::Finalize() |
| 142 | { |
| 143 | // Do any cleanup needed prior to being destructed... Subclasses |
| 144 | // that override this method should call this superclass method as well. |
| 145 | } |
| 146 | |
| 147 | void |
| 148 | Process::RegisterNotificationCallbacks (const Notifications& callbacks) |
| 149 | { |
| 150 | m_notifications.push_back(callbacks); |
| 151 | if (callbacks.initialize != NULL) |
| 152 | callbacks.initialize (callbacks.baton, this); |
| 153 | } |
| 154 | |
| 155 | bool |
| 156 | Process::UnregisterNotificationCallbacks(const Notifications& callbacks) |
| 157 | { |
| 158 | std::vector<Notifications>::iterator pos, end = m_notifications.end(); |
| 159 | for (pos = m_notifications.begin(); pos != end; ++pos) |
| 160 | { |
| 161 | if (pos->baton == callbacks.baton && |
| 162 | pos->initialize == callbacks.initialize && |
| 163 | pos->process_state_changed == callbacks.process_state_changed) |
| 164 | { |
| 165 | m_notifications.erase(pos); |
| 166 | return true; |
| 167 | } |
| 168 | } |
| 169 | return false; |
| 170 | } |
| 171 | |
| 172 | void |
| 173 | Process::SynchronouslyNotifyStateChanged (StateType state) |
| 174 | { |
| 175 | std::vector<Notifications>::iterator notification_pos, notification_end = m_notifications.end(); |
| 176 | for (notification_pos = m_notifications.begin(); notification_pos != notification_end; ++notification_pos) |
| 177 | { |
| 178 | if (notification_pos->process_state_changed) |
| 179 | notification_pos->process_state_changed (notification_pos->baton, this, state); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | // FIXME: We need to do some work on events before the general Listener sees them. |
| 184 | // For instance if we are continuing from a breakpoint, we need to ensure that we do |
| 185 | // the little "insert real insn, step & stop" trick. But we can't do that when the |
| 186 | // event is delivered by the broadcaster - since that is done on the thread that is |
| 187 | // waiting for new events, so if we needed more than one event for our handling, we would |
| 188 | // stall. So instead we do it when we fetch the event off of the queue. |
| 189 | // |
| 190 | |
| 191 | StateType |
| 192 | Process::GetNextEvent (EventSP &event_sp) |
| 193 | { |
| 194 | StateType state = eStateInvalid; |
| 195 | |
| 196 | if (m_listener.GetNextEventForBroadcaster (this, event_sp) && event_sp) |
| 197 | state = Process::ProcessEventData::GetStateFromEvent (event_sp.get()); |
| 198 | |
| 199 | return state; |
| 200 | } |
| 201 | |
| 202 | |
| 203 | StateType |
| 204 | Process::WaitForProcessToStop (const TimeValue *timeout) |
| 205 | { |
| 206 | StateType match_states[] = { eStateStopped, eStateCrashed, eStateDetached, eStateExited, eStateUnloaded }; |
| 207 | return WaitForState (timeout, match_states, sizeof(match_states) / sizeof(StateType)); |
| 208 | } |
| 209 | |
| 210 | |
| 211 | StateType |
| 212 | Process::WaitForState |
| 213 | ( |
| 214 | const TimeValue *timeout, |
| 215 | const StateType *match_states, const uint32_t num_match_states |
| 216 | ) |
| 217 | { |
| 218 | EventSP event_sp; |
| 219 | uint32_t i; |
Greg Clayton | d8c6253 | 2010-10-07 04:19:01 +0000 | [diff] [blame] | 220 | StateType state = GetState(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 221 | while (state != eStateInvalid) |
| 222 | { |
Greg Clayton | d8c6253 | 2010-10-07 04:19:01 +0000 | [diff] [blame] | 223 | // If we are exited or detached, we won't ever get back to any |
| 224 | // other valid state... |
| 225 | if (state == eStateDetached || state == eStateExited) |
| 226 | return state; |
| 227 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 228 | state = WaitForStateChangedEvents (timeout, event_sp); |
| 229 | |
| 230 | for (i=0; i<num_match_states; ++i) |
| 231 | { |
| 232 | if (match_states[i] == state) |
| 233 | return state; |
| 234 | } |
| 235 | } |
| 236 | return state; |
| 237 | } |
| 238 | |
Jim Ingham | 63e24d7 | 2010-10-11 23:53:14 +0000 | [diff] [blame] | 239 | bool |
| 240 | Process::HijackProcessEvents (Listener *listener) |
| 241 | { |
| 242 | if (listener != NULL) |
| 243 | { |
| 244 | return HijackBroadcaster(listener, eBroadcastBitStateChanged); |
| 245 | } |
| 246 | else |
| 247 | return false; |
| 248 | } |
| 249 | |
| 250 | void |
| 251 | Process::RestoreProcessEvents () |
| 252 | { |
| 253 | RestoreBroadcaster(); |
| 254 | } |
| 255 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 256 | StateType |
| 257 | Process::WaitForStateChangedEvents (const TimeValue *timeout, EventSP &event_sp) |
| 258 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 259 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 260 | |
| 261 | if (log) |
| 262 | log->Printf ("Process::%s (timeout = %p, event_sp)...", __FUNCTION__, timeout); |
| 263 | |
| 264 | StateType state = eStateInvalid; |
Greg Clayton | 36f63a9 | 2010-10-19 03:25:40 +0000 | [diff] [blame] | 265 | if (m_listener.WaitForEventForBroadcasterWithType (timeout, |
| 266 | this, |
| 267 | eBroadcastBitStateChanged, |
| 268 | event_sp)) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 269 | state = Process::ProcessEventData::GetStateFromEvent(event_sp.get()); |
| 270 | |
Caroline Tice | 926060e | 2010-10-29 21:48:37 +0000 | [diff] [blame] | 271 | log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 272 | if (log) |
| 273 | log->Printf ("Process::%s (timeout = %p, event_sp) => %s", |
| 274 | __FUNCTION__, |
| 275 | timeout, |
| 276 | StateAsCString(state)); |
| 277 | return state; |
| 278 | } |
| 279 | |
| 280 | Event * |
| 281 | Process::PeekAtStateChangedEvents () |
| 282 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 283 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 284 | |
| 285 | if (log) |
| 286 | log->Printf ("Process::%s...", __FUNCTION__); |
| 287 | |
| 288 | Event *event_ptr; |
Greg Clayton | 36f63a9 | 2010-10-19 03:25:40 +0000 | [diff] [blame] | 289 | event_ptr = m_listener.PeekAtNextEventForBroadcasterWithType (this, |
| 290 | eBroadcastBitStateChanged); |
Caroline Tice | 926060e | 2010-10-29 21:48:37 +0000 | [diff] [blame] | 291 | log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 292 | if (log) |
| 293 | { |
| 294 | if (event_ptr) |
| 295 | { |
| 296 | log->Printf ("Process::%s (event_ptr) => %s", |
| 297 | __FUNCTION__, |
| 298 | StateAsCString(ProcessEventData::GetStateFromEvent (event_ptr))); |
| 299 | } |
| 300 | else |
| 301 | { |
| 302 | log->Printf ("Process::%s no events found", |
| 303 | __FUNCTION__); |
| 304 | } |
| 305 | } |
| 306 | return event_ptr; |
| 307 | } |
| 308 | |
| 309 | StateType |
| 310 | Process::WaitForStateChangedEventsPrivate (const TimeValue *timeout, EventSP &event_sp) |
| 311 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 312 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 313 | |
| 314 | if (log) |
| 315 | log->Printf ("Process::%s (timeout = %p, event_sp)...", __FUNCTION__, timeout); |
| 316 | |
| 317 | StateType state = eStateInvalid; |
| 318 | if (m_private_state_listener.WaitForEventForBroadcasterWithType(timeout, |
| 319 | &m_private_state_broadcaster, |
| 320 | eBroadcastBitStateChanged, |
| 321 | event_sp)) |
| 322 | state = Process::ProcessEventData::GetStateFromEvent(event_sp.get()); |
| 323 | |
| 324 | // This is a bit of a hack, but when we wait here we could very well return |
| 325 | // to the command-line, and that could disable the log, which would render the |
| 326 | // log we got above invalid. |
| 327 | log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS); |
| 328 | if (log) |
| 329 | log->Printf ("Process::%s (timeout = %p, event_sp) => %s", __FUNCTION__, timeout, StateAsCString(state)); |
| 330 | return state; |
| 331 | } |
| 332 | |
| 333 | bool |
| 334 | Process::WaitForEventsPrivate (const TimeValue *timeout, EventSP &event_sp, bool control_only) |
| 335 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 336 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 337 | |
| 338 | if (log) |
| 339 | log->Printf ("Process::%s (timeout = %p, event_sp)...", __FUNCTION__, timeout); |
| 340 | |
| 341 | if (control_only) |
| 342 | return m_private_state_listener.WaitForEventForBroadcaster(timeout, &m_private_state_control_broadcaster, event_sp); |
| 343 | else |
| 344 | return m_private_state_listener.WaitForEvent(timeout, event_sp); |
| 345 | } |
| 346 | |
| 347 | bool |
| 348 | Process::IsRunning () const |
| 349 | { |
| 350 | return StateIsRunningState (m_public_state.GetValue()); |
| 351 | } |
| 352 | |
| 353 | int |
| 354 | Process::GetExitStatus () |
| 355 | { |
| 356 | if (m_public_state.GetValue() == eStateExited) |
| 357 | return m_exit_status; |
| 358 | return -1; |
| 359 | } |
| 360 | |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 361 | |
| 362 | void |
| 363 | Process::ProcessInstanceSettings::GetHostEnvironmentIfNeeded () |
| 364 | { |
| 365 | if (m_inherit_host_env && !m_got_host_env) |
| 366 | { |
| 367 | m_got_host_env = true; |
| 368 | StringList host_env; |
| 369 | const size_t host_env_count = Host::GetEnvironment (host_env); |
| 370 | for (size_t idx=0; idx<host_env_count; idx++) |
| 371 | { |
| 372 | const char *env_entry = host_env.GetStringAtIndex (idx); |
| 373 | if (env_entry) |
| 374 | { |
| 375 | char *equal_pos = ::strchr(env_entry, '='); |
| 376 | if (equal_pos) |
| 377 | { |
| 378 | std::string key (env_entry, equal_pos - env_entry); |
| 379 | std::string value (equal_pos + 1); |
| 380 | if (m_env_vars.find (key) == m_env_vars.end()) |
| 381 | m_env_vars[key] = value; |
| 382 | } |
| 383 | } |
| 384 | } |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | |
| 389 | size_t |
| 390 | Process::ProcessInstanceSettings::GetEnvironmentAsArgs (Args &env) |
| 391 | { |
| 392 | GetHostEnvironmentIfNeeded (); |
| 393 | |
| 394 | dictionary::const_iterator pos, end = m_env_vars.end(); |
| 395 | for (pos = m_env_vars.begin(); pos != end; ++pos) |
| 396 | { |
| 397 | std::string env_var_equal_value (pos->first); |
| 398 | env_var_equal_value.append(1, '='); |
| 399 | env_var_equal_value.append (pos->second); |
| 400 | env.AppendArgument (env_var_equal_value.c_str()); |
| 401 | } |
| 402 | return env.GetArgumentCount(); |
| 403 | } |
| 404 | |
| 405 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 406 | const char * |
| 407 | Process::GetExitDescription () |
| 408 | { |
| 409 | if (m_public_state.GetValue() == eStateExited && !m_exit_string.empty()) |
| 410 | return m_exit_string.c_str(); |
| 411 | return NULL; |
| 412 | } |
| 413 | |
| 414 | void |
| 415 | Process::SetExitStatus (int status, const char *cstr) |
| 416 | { |
| 417 | m_exit_status = status; |
| 418 | if (cstr) |
| 419 | m_exit_string = cstr; |
| 420 | else |
| 421 | m_exit_string.clear(); |
| 422 | |
| 423 | SetPrivateState (eStateExited); |
| 424 | } |
| 425 | |
| 426 | // This static callback can be used to watch for local child processes on |
| 427 | // the current host. The the child process exits, the process will be |
| 428 | // found in the global target list (we want to be completely sure that the |
| 429 | // lldb_private::Process doesn't go away before we can deliver the signal. |
| 430 | bool |
| 431 | Process::SetProcessExitStatus |
| 432 | ( |
| 433 | void *callback_baton, |
| 434 | lldb::pid_t pid, |
| 435 | int signo, // Zero for no signal |
| 436 | int exit_status // Exit value of process if signal is zero |
| 437 | ) |
| 438 | { |
| 439 | if (signo == 0 || exit_status) |
| 440 | { |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 441 | TargetSP target_sp(Debugger::FindTargetWithProcessID (pid)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 442 | if (target_sp) |
| 443 | { |
| 444 | ProcessSP process_sp (target_sp->GetProcessSP()); |
| 445 | if (process_sp) |
| 446 | { |
| 447 | const char *signal_cstr = NULL; |
| 448 | if (signo) |
| 449 | signal_cstr = process_sp->GetUnixSignals().GetSignalAsCString (signo); |
| 450 | |
| 451 | process_sp->SetExitStatus (exit_status, signal_cstr); |
| 452 | } |
| 453 | } |
| 454 | return true; |
| 455 | } |
| 456 | return false; |
| 457 | } |
| 458 | |
| 459 | |
| 460 | uint32_t |
| 461 | Process::GetNextThreadIndexID () |
| 462 | { |
| 463 | return ++m_thread_index_id; |
| 464 | } |
| 465 | |
| 466 | StateType |
| 467 | Process::GetState() |
| 468 | { |
| 469 | // If any other threads access this we will need a mutex for it |
| 470 | return m_public_state.GetValue (); |
| 471 | } |
| 472 | |
| 473 | void |
| 474 | Process::SetPublicState (StateType new_state) |
| 475 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 476 | LogSP log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_STATE)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 477 | if (log) |
| 478 | log->Printf("Process::SetPublicState (%s)", StateAsCString(new_state)); |
| 479 | m_public_state.SetValue (new_state); |
| 480 | } |
| 481 | |
| 482 | StateType |
| 483 | Process::GetPrivateState () |
| 484 | { |
| 485 | return m_private_state.GetValue(); |
| 486 | } |
| 487 | |
| 488 | void |
| 489 | Process::SetPrivateState (StateType new_state) |
| 490 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 491 | LogSP log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_STATE)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 492 | bool state_changed = false; |
| 493 | |
| 494 | if (log) |
| 495 | log->Printf("Process::SetPrivateState (%s)", StateAsCString(new_state)); |
| 496 | |
| 497 | Mutex::Locker locker(m_private_state.GetMutex()); |
| 498 | |
| 499 | const StateType old_state = m_private_state.GetValueNoLock (); |
| 500 | state_changed = old_state != new_state; |
| 501 | if (state_changed) |
| 502 | { |
| 503 | m_private_state.SetValueNoLock (new_state); |
| 504 | if (StateIsStoppedState(new_state)) |
| 505 | { |
| 506 | m_stop_id++; |
| 507 | if (log) |
| 508 | log->Printf("Process::SetPrivateState (%s) stop_id = %u", StateAsCString(new_state), m_stop_id); |
| 509 | } |
| 510 | // Use our target to get a shared pointer to ourselves... |
| 511 | m_private_state_broadcaster.BroadcastEvent (eBroadcastBitStateChanged, new ProcessEventData (GetTarget().GetProcessSP(), new_state)); |
| 512 | } |
| 513 | else |
| 514 | { |
| 515 | if (log) |
| 516 | log->Printf("Process::SetPrivateState (%s) state didn't change. Ignoring...", StateAsCString(new_state), StateAsCString(old_state)); |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | |
| 521 | uint32_t |
| 522 | Process::GetStopID() const |
| 523 | { |
| 524 | return m_stop_id; |
| 525 | } |
| 526 | |
| 527 | addr_t |
| 528 | Process::GetImageInfoAddress() |
| 529 | { |
| 530 | return LLDB_INVALID_ADDRESS; |
| 531 | } |
| 532 | |
Greg Clayton | 0baa394 | 2010-11-04 01:54:29 +0000 | [diff] [blame] | 533 | //---------------------------------------------------------------------- |
| 534 | // LoadImage |
| 535 | // |
| 536 | // This function provides a default implementation that works for most |
| 537 | // unix variants. Any Process subclasses that need to do shared library |
| 538 | // loading differently should override LoadImage and UnloadImage and |
| 539 | // do what is needed. |
| 540 | //---------------------------------------------------------------------- |
| 541 | uint32_t |
| 542 | Process::LoadImage (const FileSpec &image_spec, Error &error) |
| 543 | { |
| 544 | DynamicLoader *loader = GetDynamicLoader(); |
| 545 | if (loader) |
| 546 | { |
| 547 | error = loader->CanLoadImage(); |
| 548 | if (error.Fail()) |
| 549 | return LLDB_INVALID_IMAGE_TOKEN; |
| 550 | } |
| 551 | |
| 552 | if (error.Success()) |
| 553 | { |
| 554 | ThreadSP thread_sp(GetThreadList ().GetSelectedThread()); |
| 555 | if (thread_sp == NULL) |
| 556 | thread_sp = GetThreadList ().GetThreadAtIndex(0, true); |
| 557 | |
| 558 | if (thread_sp) |
| 559 | { |
| 560 | StackFrameSP frame_sp (thread_sp->GetStackFrameAtIndex (0)); |
| 561 | |
| 562 | if (frame_sp) |
| 563 | { |
| 564 | ExecutionContext exe_ctx; |
| 565 | frame_sp->CalculateExecutionContext (exe_ctx); |
Jim Ingham | ea9d426 | 2010-11-05 19:25:48 +0000 | [diff] [blame] | 566 | bool unwind_on_error = true; |
Greg Clayton | 0baa394 | 2010-11-04 01:54:29 +0000 | [diff] [blame] | 567 | StreamString expr; |
| 568 | char path[PATH_MAX]; |
| 569 | image_spec.GetPath(path, sizeof(path)); |
| 570 | expr.Printf("dlopen (\"%s\", 2)", path); |
| 571 | const char *prefix = "extern \"C\" void* dlopen (const char *path, int mode);\n"; |
Jim Ingham | 360f53f | 2010-11-30 02:22:11 +0000 | [diff] [blame] | 572 | lldb::ValueObjectSP result_valobj_sp; |
| 573 | ClangUserExpression::Evaluate (exe_ctx, unwind_on_error, expr.GetData(), prefix, result_valobj_sp); |
Greg Clayton | 0baa394 | 2010-11-04 01:54:29 +0000 | [diff] [blame] | 574 | if (result_valobj_sp->GetError().Success()) |
| 575 | { |
| 576 | Scalar scalar; |
| 577 | if (result_valobj_sp->ResolveValue (frame_sp.get(), scalar)) |
| 578 | { |
| 579 | addr_t image_ptr = scalar.ULongLong(LLDB_INVALID_ADDRESS); |
| 580 | if (image_ptr != 0 && image_ptr != LLDB_INVALID_ADDRESS) |
| 581 | { |
| 582 | uint32_t image_token = m_image_tokens.size(); |
| 583 | m_image_tokens.push_back (image_ptr); |
| 584 | return image_token; |
| 585 | } |
| 586 | } |
| 587 | } |
| 588 | } |
| 589 | } |
| 590 | } |
| 591 | return LLDB_INVALID_IMAGE_TOKEN; |
| 592 | } |
| 593 | |
| 594 | //---------------------------------------------------------------------- |
| 595 | // UnloadImage |
| 596 | // |
| 597 | // This function provides a default implementation that works for most |
| 598 | // unix variants. Any Process subclasses that need to do shared library |
| 599 | // loading differently should override LoadImage and UnloadImage and |
| 600 | // do what is needed. |
| 601 | //---------------------------------------------------------------------- |
| 602 | Error |
| 603 | Process::UnloadImage (uint32_t image_token) |
| 604 | { |
| 605 | Error error; |
| 606 | if (image_token < m_image_tokens.size()) |
| 607 | { |
| 608 | const addr_t image_addr = m_image_tokens[image_token]; |
| 609 | if (image_addr == LLDB_INVALID_ADDRESS) |
| 610 | { |
| 611 | error.SetErrorString("image already unloaded"); |
| 612 | } |
| 613 | else |
| 614 | { |
| 615 | DynamicLoader *loader = GetDynamicLoader(); |
| 616 | if (loader) |
| 617 | error = loader->CanLoadImage(); |
| 618 | |
| 619 | if (error.Success()) |
| 620 | { |
| 621 | ThreadSP thread_sp(GetThreadList ().GetSelectedThread()); |
| 622 | if (thread_sp == NULL) |
| 623 | thread_sp = GetThreadList ().GetThreadAtIndex(0, true); |
| 624 | |
| 625 | if (thread_sp) |
| 626 | { |
| 627 | StackFrameSP frame_sp (thread_sp->GetStackFrameAtIndex (0)); |
| 628 | |
| 629 | if (frame_sp) |
| 630 | { |
| 631 | ExecutionContext exe_ctx; |
| 632 | frame_sp->CalculateExecutionContext (exe_ctx); |
Jim Ingham | ea9d426 | 2010-11-05 19:25:48 +0000 | [diff] [blame] | 633 | bool unwind_on_error = true; |
Greg Clayton | 0baa394 | 2010-11-04 01:54:29 +0000 | [diff] [blame] | 634 | StreamString expr; |
| 635 | expr.Printf("dlclose ((void *)0x%llx)", image_addr); |
| 636 | const char *prefix = "extern \"C\" int dlclose(void* handle);\n"; |
Jim Ingham | 360f53f | 2010-11-30 02:22:11 +0000 | [diff] [blame] | 637 | lldb::ValueObjectSP result_valobj_sp; |
| 638 | ClangUserExpression::Evaluate (exe_ctx, unwind_on_error, expr.GetData(), prefix, result_valobj_sp); |
Greg Clayton | 0baa394 | 2010-11-04 01:54:29 +0000 | [diff] [blame] | 639 | if (result_valobj_sp->GetError().Success()) |
| 640 | { |
| 641 | Scalar scalar; |
| 642 | if (result_valobj_sp->ResolveValue (frame_sp.get(), scalar)) |
| 643 | { |
| 644 | if (scalar.UInt(1)) |
| 645 | { |
| 646 | error.SetErrorStringWithFormat("expression failed: \"%s\"", expr.GetData()); |
| 647 | } |
| 648 | else |
| 649 | { |
| 650 | m_image_tokens[image_token] = LLDB_INVALID_ADDRESS; |
| 651 | } |
| 652 | } |
| 653 | } |
| 654 | else |
| 655 | { |
| 656 | error = result_valobj_sp->GetError(); |
| 657 | } |
| 658 | } |
| 659 | } |
| 660 | } |
| 661 | } |
| 662 | } |
| 663 | else |
| 664 | { |
| 665 | error.SetErrorString("invalid image token"); |
| 666 | } |
| 667 | return error; |
| 668 | } |
| 669 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 670 | DynamicLoader * |
| 671 | Process::GetDynamicLoader() |
| 672 | { |
| 673 | return NULL; |
| 674 | } |
| 675 | |
| 676 | const ABI * |
| 677 | Process::GetABI() |
| 678 | { |
| 679 | ConstString& triple = m_target_triple; |
| 680 | |
| 681 | if (triple.IsEmpty()) |
| 682 | return NULL; |
| 683 | |
| 684 | if (m_abi_sp.get() == NULL) |
| 685 | { |
| 686 | m_abi_sp.reset(ABI::FindPlugin(triple)); |
| 687 | } |
| 688 | |
| 689 | return m_abi_sp.get(); |
| 690 | } |
| 691 | |
Jim Ingham | 642036f | 2010-09-23 02:01:19 +0000 | [diff] [blame] | 692 | LanguageRuntime * |
| 693 | Process::GetLanguageRuntime(lldb::LanguageType language) |
| 694 | { |
| 695 | LanguageRuntimeCollection::iterator pos; |
| 696 | pos = m_language_runtimes.find (language); |
| 697 | if (pos == m_language_runtimes.end()) |
| 698 | { |
| 699 | lldb::LanguageRuntimeSP runtime(LanguageRuntime::FindPlugin(this, language)); |
| 700 | |
| 701 | m_language_runtimes[language] |
| 702 | = runtime; |
| 703 | return runtime.get(); |
| 704 | } |
| 705 | else |
| 706 | return (*pos).second.get(); |
| 707 | } |
| 708 | |
| 709 | CPPLanguageRuntime * |
| 710 | Process::GetCPPLanguageRuntime () |
| 711 | { |
| 712 | LanguageRuntime *runtime = GetLanguageRuntime(eLanguageTypeC_plus_plus); |
| 713 | if (runtime != NULL && runtime->GetLanguageType() == eLanguageTypeC_plus_plus) |
| 714 | return static_cast<CPPLanguageRuntime *> (runtime); |
| 715 | return NULL; |
| 716 | } |
| 717 | |
| 718 | ObjCLanguageRuntime * |
| 719 | Process::GetObjCLanguageRuntime () |
| 720 | { |
| 721 | LanguageRuntime *runtime = GetLanguageRuntime(eLanguageTypeObjC); |
| 722 | if (runtime != NULL && runtime->GetLanguageType() == eLanguageTypeObjC) |
| 723 | return static_cast<ObjCLanguageRuntime *> (runtime); |
| 724 | return NULL; |
| 725 | } |
| 726 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 727 | BreakpointSiteList & |
| 728 | Process::GetBreakpointSiteList() |
| 729 | { |
| 730 | return m_breakpoint_site_list; |
| 731 | } |
| 732 | |
| 733 | const BreakpointSiteList & |
| 734 | Process::GetBreakpointSiteList() const |
| 735 | { |
| 736 | return m_breakpoint_site_list; |
| 737 | } |
| 738 | |
| 739 | |
| 740 | void |
| 741 | Process::DisableAllBreakpointSites () |
| 742 | { |
| 743 | m_breakpoint_site_list.SetEnabledForAll (false); |
| 744 | } |
| 745 | |
| 746 | Error |
| 747 | Process::ClearBreakpointSiteByID (lldb::user_id_t break_id) |
| 748 | { |
| 749 | Error error (DisableBreakpointSiteByID (break_id)); |
| 750 | |
| 751 | if (error.Success()) |
| 752 | m_breakpoint_site_list.Remove(break_id); |
| 753 | |
| 754 | return error; |
| 755 | } |
| 756 | |
| 757 | Error |
| 758 | Process::DisableBreakpointSiteByID (lldb::user_id_t break_id) |
| 759 | { |
| 760 | Error error; |
| 761 | BreakpointSiteSP bp_site_sp = m_breakpoint_site_list.FindByID (break_id); |
| 762 | if (bp_site_sp) |
| 763 | { |
| 764 | if (bp_site_sp->IsEnabled()) |
| 765 | error = DisableBreakpoint (bp_site_sp.get()); |
| 766 | } |
| 767 | else |
| 768 | { |
| 769 | error.SetErrorStringWithFormat("invalid breakpoint site ID: %i", break_id); |
| 770 | } |
| 771 | |
| 772 | return error; |
| 773 | } |
| 774 | |
| 775 | Error |
| 776 | Process::EnableBreakpointSiteByID (lldb::user_id_t break_id) |
| 777 | { |
| 778 | Error error; |
| 779 | BreakpointSiteSP bp_site_sp = m_breakpoint_site_list.FindByID (break_id); |
| 780 | if (bp_site_sp) |
| 781 | { |
| 782 | if (!bp_site_sp->IsEnabled()) |
| 783 | error = EnableBreakpoint (bp_site_sp.get()); |
| 784 | } |
| 785 | else |
| 786 | { |
| 787 | error.SetErrorStringWithFormat("invalid breakpoint site ID: %i", break_id); |
| 788 | } |
| 789 | return error; |
| 790 | } |
| 791 | |
Stephen Wilson | 3fd1f36 | 2010-07-17 00:56:13 +0000 | [diff] [blame] | 792 | lldb::break_id_t |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 793 | Process::CreateBreakpointSite (BreakpointLocationSP &owner, bool use_hardware) |
| 794 | { |
Greg Clayton | eea2640 | 2010-09-14 23:36:40 +0000 | [diff] [blame] | 795 | const addr_t load_addr = owner->GetAddress().GetLoadAddress (&m_target); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 796 | if (load_addr != LLDB_INVALID_ADDRESS) |
| 797 | { |
| 798 | BreakpointSiteSP bp_site_sp; |
| 799 | |
| 800 | // Look up this breakpoint site. If it exists, then add this new owner, otherwise |
| 801 | // create a new breakpoint site and add it. |
| 802 | |
| 803 | bp_site_sp = m_breakpoint_site_list.FindByAddress (load_addr); |
| 804 | |
| 805 | if (bp_site_sp) |
| 806 | { |
| 807 | bp_site_sp->AddOwner (owner); |
| 808 | owner->SetBreakpointSite (bp_site_sp); |
| 809 | return bp_site_sp->GetID(); |
| 810 | } |
| 811 | else |
| 812 | { |
| 813 | bp_site_sp.reset (new BreakpointSite (&m_breakpoint_site_list, owner, load_addr, LLDB_INVALID_THREAD_ID, use_hardware)); |
| 814 | if (bp_site_sp) |
| 815 | { |
| 816 | if (EnableBreakpoint (bp_site_sp.get()).Success()) |
| 817 | { |
| 818 | owner->SetBreakpointSite (bp_site_sp); |
| 819 | return m_breakpoint_site_list.Add (bp_site_sp); |
| 820 | } |
| 821 | } |
| 822 | } |
| 823 | } |
| 824 | // We failed to enable the breakpoint |
| 825 | return LLDB_INVALID_BREAK_ID; |
| 826 | |
| 827 | } |
| 828 | |
| 829 | void |
| 830 | Process::RemoveOwnerFromBreakpointSite (lldb::user_id_t owner_id, lldb::user_id_t owner_loc_id, BreakpointSiteSP &bp_site_sp) |
| 831 | { |
| 832 | uint32_t num_owners = bp_site_sp->RemoveOwner (owner_id, owner_loc_id); |
| 833 | if (num_owners == 0) |
| 834 | { |
| 835 | DisableBreakpoint(bp_site_sp.get()); |
| 836 | m_breakpoint_site_list.RemoveByAddress(bp_site_sp->GetLoadAddress()); |
| 837 | } |
| 838 | } |
| 839 | |
| 840 | |
| 841 | size_t |
| 842 | Process::RemoveBreakpointOpcodesFromBuffer (addr_t bp_addr, size_t size, uint8_t *buf) const |
| 843 | { |
| 844 | size_t bytes_removed = 0; |
| 845 | addr_t intersect_addr; |
| 846 | size_t intersect_size; |
| 847 | size_t opcode_offset; |
| 848 | size_t idx; |
| 849 | BreakpointSiteSP bp; |
| 850 | |
| 851 | for (idx = 0; (bp = m_breakpoint_site_list.GetByIndex(idx)) != NULL; ++idx) |
| 852 | { |
| 853 | if (bp->GetType() == BreakpointSite::eSoftware) |
| 854 | { |
| 855 | if (bp->IntersectsRange(bp_addr, size, &intersect_addr, &intersect_size, &opcode_offset)) |
| 856 | { |
| 857 | assert(bp_addr <= intersect_addr && intersect_addr < bp_addr + size); |
| 858 | assert(bp_addr < intersect_addr + intersect_size && intersect_addr + intersect_size <= bp_addr + size); |
| 859 | assert(opcode_offset + intersect_size <= bp->GetByteSize()); |
| 860 | size_t buf_offset = intersect_addr - bp_addr; |
| 861 | ::memcpy(buf + buf_offset, bp->GetSavedOpcodeBytes() + opcode_offset, intersect_size); |
| 862 | } |
| 863 | } |
| 864 | } |
| 865 | return bytes_removed; |
| 866 | } |
| 867 | |
| 868 | |
| 869 | Error |
| 870 | Process::EnableSoftwareBreakpoint (BreakpointSite *bp_site) |
| 871 | { |
| 872 | Error error; |
| 873 | assert (bp_site != NULL); |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 874 | LogSP log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 875 | const addr_t bp_addr = bp_site->GetLoadAddress(); |
| 876 | if (log) |
| 877 | log->Printf ("Process::EnableSoftwareBreakpoint (site_id = %d) addr = 0x%llx", bp_site->GetID(), (uint64_t)bp_addr); |
| 878 | if (bp_site->IsEnabled()) |
| 879 | { |
| 880 | if (log) |
| 881 | log->Printf ("Process::EnableSoftwareBreakpoint (site_id = %d) addr = 0x%llx -- already enabled", bp_site->GetID(), (uint64_t)bp_addr); |
| 882 | return error; |
| 883 | } |
| 884 | |
| 885 | if (bp_addr == LLDB_INVALID_ADDRESS) |
| 886 | { |
| 887 | error.SetErrorString("BreakpointSite contains an invalid load address."); |
| 888 | return error; |
| 889 | } |
| 890 | // Ask the lldb::Process subclass to fill in the correct software breakpoint |
| 891 | // trap for the breakpoint site |
| 892 | const size_t bp_opcode_size = GetSoftwareBreakpointTrapOpcode(bp_site); |
| 893 | |
| 894 | if (bp_opcode_size == 0) |
| 895 | { |
| 896 | error.SetErrorStringWithFormat ("Process::GetSoftwareBreakpointTrapOpcode() returned zero, unable to get breakpoint trap for address 0x%llx.\n", bp_addr); |
| 897 | } |
| 898 | else |
| 899 | { |
| 900 | const uint8_t * const bp_opcode_bytes = bp_site->GetTrapOpcodeBytes(); |
| 901 | |
| 902 | if (bp_opcode_bytes == NULL) |
| 903 | { |
| 904 | error.SetErrorString ("BreakpointSite doesn't contain a valid breakpoint trap opcode."); |
| 905 | return error; |
| 906 | } |
| 907 | |
| 908 | // Save the original opcode by reading it |
| 909 | if (DoReadMemory(bp_addr, bp_site->GetSavedOpcodeBytes(), bp_opcode_size, error) == bp_opcode_size) |
| 910 | { |
| 911 | // Write a software breakpoint in place of the original opcode |
| 912 | if (DoWriteMemory(bp_addr, bp_opcode_bytes, bp_opcode_size, error) == bp_opcode_size) |
| 913 | { |
| 914 | uint8_t verify_bp_opcode_bytes[64]; |
| 915 | if (DoReadMemory(bp_addr, verify_bp_opcode_bytes, bp_opcode_size, error) == bp_opcode_size) |
| 916 | { |
| 917 | if (::memcmp(bp_opcode_bytes, verify_bp_opcode_bytes, bp_opcode_size) == 0) |
| 918 | { |
| 919 | bp_site->SetEnabled(true); |
| 920 | bp_site->SetType (BreakpointSite::eSoftware); |
| 921 | if (log) |
| 922 | log->Printf ("Process::EnableSoftwareBreakpoint (site_id = %d) addr = 0x%llx -- SUCCESS", |
| 923 | bp_site->GetID(), |
| 924 | (uint64_t)bp_addr); |
| 925 | } |
| 926 | else |
| 927 | error.SetErrorString("Failed to verify the breakpoint trap in memory."); |
| 928 | } |
| 929 | else |
| 930 | error.SetErrorString("Unable to read memory to verify breakpoint trap."); |
| 931 | } |
| 932 | else |
| 933 | error.SetErrorString("Unable to write breakpoint trap to memory."); |
| 934 | } |
| 935 | else |
| 936 | error.SetErrorString("Unable to read memory at breakpoint address."); |
| 937 | } |
| 938 | if (log) |
| 939 | log->Printf ("Process::EnableSoftwareBreakpoint (site_id = %d) addr = 0x%llx -- FAILED: %s", |
| 940 | bp_site->GetID(), |
| 941 | (uint64_t)bp_addr, |
| 942 | error.AsCString()); |
| 943 | return error; |
| 944 | } |
| 945 | |
| 946 | Error |
| 947 | Process::DisableSoftwareBreakpoint (BreakpointSite *bp_site) |
| 948 | { |
| 949 | Error error; |
| 950 | assert (bp_site != NULL); |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 951 | LogSP log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 952 | addr_t bp_addr = bp_site->GetLoadAddress(); |
| 953 | lldb::user_id_t breakID = bp_site->GetID(); |
| 954 | if (log) |
| 955 | log->Printf ("ProcessMacOSX::DisableBreakpoint (breakID = %d) addr = 0x%llx", breakID, (uint64_t)bp_addr); |
| 956 | |
| 957 | if (bp_site->IsHardware()) |
| 958 | { |
| 959 | error.SetErrorString("Breakpoint site is a hardware breakpoint."); |
| 960 | } |
| 961 | else if (bp_site->IsEnabled()) |
| 962 | { |
| 963 | const size_t break_op_size = bp_site->GetByteSize(); |
| 964 | const uint8_t * const break_op = bp_site->GetTrapOpcodeBytes(); |
| 965 | if (break_op_size > 0) |
| 966 | { |
| 967 | // Clear a software breakoint instruction |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 968 | uint8_t curr_break_op[8]; |
Stephen Wilson | 141eeac | 2010-07-20 18:41:11 +0000 | [diff] [blame] | 969 | assert (break_op_size <= sizeof(curr_break_op)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 970 | bool break_op_found = false; |
| 971 | |
| 972 | // Read the breakpoint opcode |
| 973 | if (DoReadMemory (bp_addr, curr_break_op, break_op_size, error) == break_op_size) |
| 974 | { |
| 975 | bool verify = false; |
| 976 | // Make sure we have the a breakpoint opcode exists at this address |
| 977 | if (::memcmp (curr_break_op, break_op, break_op_size) == 0) |
| 978 | { |
| 979 | break_op_found = true; |
| 980 | // We found a valid breakpoint opcode at this address, now restore |
| 981 | // the saved opcode. |
| 982 | if (DoWriteMemory (bp_addr, bp_site->GetSavedOpcodeBytes(), break_op_size, error) == break_op_size) |
| 983 | { |
| 984 | verify = true; |
| 985 | } |
| 986 | else |
| 987 | error.SetErrorString("Memory write failed when restoring original opcode."); |
| 988 | } |
| 989 | else |
| 990 | { |
| 991 | error.SetErrorString("Original breakpoint trap is no longer in memory."); |
| 992 | // Set verify to true and so we can check if the original opcode has already been restored |
| 993 | verify = true; |
| 994 | } |
| 995 | |
| 996 | if (verify) |
| 997 | { |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 998 | uint8_t verify_opcode[8]; |
Stephen Wilson | 141eeac | 2010-07-20 18:41:11 +0000 | [diff] [blame] | 999 | assert (break_op_size < sizeof(verify_opcode)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1000 | // Verify that our original opcode made it back to the inferior |
| 1001 | if (DoReadMemory (bp_addr, verify_opcode, break_op_size, error) == break_op_size) |
| 1002 | { |
| 1003 | // compare the memory we just read with the original opcode |
| 1004 | if (::memcmp (bp_site->GetSavedOpcodeBytes(), verify_opcode, break_op_size) == 0) |
| 1005 | { |
| 1006 | // SUCCESS |
| 1007 | bp_site->SetEnabled(false); |
| 1008 | if (log) |
| 1009 | log->Printf ("Process::DisableSoftwareBreakpoint (site_id = %d) addr = 0x%llx -- SUCCESS", bp_site->GetID(), (uint64_t)bp_addr); |
| 1010 | return error; |
| 1011 | } |
| 1012 | else |
| 1013 | { |
| 1014 | if (break_op_found) |
| 1015 | error.SetErrorString("Failed to restore original opcode."); |
| 1016 | } |
| 1017 | } |
| 1018 | else |
| 1019 | error.SetErrorString("Failed to read memory to verify that breakpoint trap was restored."); |
| 1020 | } |
| 1021 | } |
| 1022 | else |
| 1023 | error.SetErrorString("Unable to read memory that should contain the breakpoint trap."); |
| 1024 | } |
| 1025 | } |
| 1026 | else |
| 1027 | { |
| 1028 | if (log) |
| 1029 | log->Printf ("Process::DisableSoftwareBreakpoint (site_id = %d) addr = 0x%llx -- already disabled", bp_site->GetID(), (uint64_t)bp_addr); |
| 1030 | return error; |
| 1031 | } |
| 1032 | |
| 1033 | if (log) |
| 1034 | log->Printf ("Process::DisableSoftwareBreakpoint (site_id = %d) addr = 0x%llx -- FAILED: %s", |
| 1035 | bp_site->GetID(), |
| 1036 | (uint64_t)bp_addr, |
| 1037 | error.AsCString()); |
| 1038 | return error; |
| 1039 | |
| 1040 | } |
| 1041 | |
| 1042 | |
| 1043 | size_t |
| 1044 | Process::ReadMemory (addr_t addr, void *buf, size_t size, Error &error) |
| 1045 | { |
| 1046 | if (buf == NULL || size == 0) |
| 1047 | return 0; |
| 1048 | |
| 1049 | size_t bytes_read = 0; |
| 1050 | uint8_t *bytes = (uint8_t *)buf; |
| 1051 | |
| 1052 | while (bytes_read < size) |
| 1053 | { |
| 1054 | const size_t curr_size = size - bytes_read; |
| 1055 | const size_t curr_bytes_read = DoReadMemory (addr + bytes_read, |
| 1056 | bytes + bytes_read, |
| 1057 | curr_size, |
| 1058 | error); |
| 1059 | bytes_read += curr_bytes_read; |
| 1060 | if (curr_bytes_read == curr_size || curr_bytes_read == 0) |
| 1061 | break; |
| 1062 | } |
| 1063 | |
| 1064 | // Replace any software breakpoint opcodes that fall into this range back |
| 1065 | // into "buf" before we return |
| 1066 | if (bytes_read > 0) |
| 1067 | RemoveBreakpointOpcodesFromBuffer (addr, bytes_read, (uint8_t *)buf); |
| 1068 | return bytes_read; |
| 1069 | } |
| 1070 | |
| 1071 | size_t |
| 1072 | Process::WriteMemoryPrivate (addr_t addr, const void *buf, size_t size, Error &error) |
| 1073 | { |
| 1074 | size_t bytes_written = 0; |
| 1075 | const uint8_t *bytes = (const uint8_t *)buf; |
| 1076 | |
| 1077 | while (bytes_written < size) |
| 1078 | { |
| 1079 | const size_t curr_size = size - bytes_written; |
| 1080 | const size_t curr_bytes_written = DoWriteMemory (addr + bytes_written, |
| 1081 | bytes + bytes_written, |
| 1082 | curr_size, |
| 1083 | error); |
| 1084 | bytes_written += curr_bytes_written; |
| 1085 | if (curr_bytes_written == curr_size || curr_bytes_written == 0) |
| 1086 | break; |
| 1087 | } |
| 1088 | return bytes_written; |
| 1089 | } |
| 1090 | |
| 1091 | size_t |
| 1092 | Process::WriteMemory (addr_t addr, const void *buf, size_t size, Error &error) |
| 1093 | { |
| 1094 | if (buf == NULL || size == 0) |
| 1095 | return 0; |
| 1096 | // We need to write any data that would go where any current software traps |
| 1097 | // (enabled software breakpoints) any software traps (breakpoints) that we |
| 1098 | // may have placed in our tasks memory. |
| 1099 | |
| 1100 | BreakpointSiteList::collection::const_iterator iter = m_breakpoint_site_list.GetMap()->lower_bound (addr); |
| 1101 | BreakpointSiteList::collection::const_iterator end = m_breakpoint_site_list.GetMap()->end(); |
| 1102 | |
| 1103 | if (iter == end || iter->second->GetLoadAddress() > addr + size) |
| 1104 | return DoWriteMemory(addr, buf, size, error); |
| 1105 | |
| 1106 | BreakpointSiteList::collection::const_iterator pos; |
| 1107 | size_t bytes_written = 0; |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 1108 | addr_t intersect_addr = 0; |
| 1109 | size_t intersect_size = 0; |
| 1110 | size_t opcode_offset = 0; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1111 | const uint8_t *ubuf = (const uint8_t *)buf; |
| 1112 | |
| 1113 | for (pos = iter; pos != end; ++pos) |
| 1114 | { |
| 1115 | BreakpointSiteSP bp; |
| 1116 | bp = pos->second; |
| 1117 | |
| 1118 | assert(bp->IntersectsRange(addr, size, &intersect_addr, &intersect_size, &opcode_offset)); |
| 1119 | assert(addr <= intersect_addr && intersect_addr < addr + size); |
| 1120 | assert(addr < intersect_addr + intersect_size && intersect_addr + intersect_size <= addr + size); |
| 1121 | assert(opcode_offset + intersect_size <= bp->GetByteSize()); |
| 1122 | |
| 1123 | // Check for bytes before this breakpoint |
| 1124 | const addr_t curr_addr = addr + bytes_written; |
| 1125 | if (intersect_addr > curr_addr) |
| 1126 | { |
| 1127 | // There are some bytes before this breakpoint that we need to |
| 1128 | // just write to memory |
| 1129 | size_t curr_size = intersect_addr - curr_addr; |
| 1130 | size_t curr_bytes_written = WriteMemoryPrivate (curr_addr, |
| 1131 | ubuf + bytes_written, |
| 1132 | curr_size, |
| 1133 | error); |
| 1134 | bytes_written += curr_bytes_written; |
| 1135 | if (curr_bytes_written != curr_size) |
| 1136 | { |
| 1137 | // We weren't able to write all of the requested bytes, we |
| 1138 | // are done looping and will return the number of bytes that |
| 1139 | // we have written so far. |
| 1140 | break; |
| 1141 | } |
| 1142 | } |
| 1143 | |
| 1144 | // Now write any bytes that would cover up any software breakpoints |
| 1145 | // directly into the breakpoint opcode buffer |
| 1146 | ::memcpy(bp->GetSavedOpcodeBytes() + opcode_offset, ubuf + bytes_written, intersect_size); |
| 1147 | bytes_written += intersect_size; |
| 1148 | } |
| 1149 | |
| 1150 | // Write any remaining bytes after the last breakpoint if we have any left |
| 1151 | if (bytes_written < size) |
| 1152 | bytes_written += WriteMemoryPrivate (addr + bytes_written, |
| 1153 | ubuf + bytes_written, |
| 1154 | size - bytes_written, |
| 1155 | error); |
| 1156 | |
| 1157 | return bytes_written; |
| 1158 | } |
| 1159 | |
| 1160 | addr_t |
| 1161 | Process::AllocateMemory(size_t size, uint32_t permissions, Error &error) |
| 1162 | { |
| 1163 | // Fixme: we should track the blocks we've allocated, and clean them up... |
| 1164 | // We could even do our own allocator here if that ends up being more efficient. |
| 1165 | return DoAllocateMemory (size, permissions, error); |
| 1166 | } |
| 1167 | |
| 1168 | Error |
| 1169 | Process::DeallocateMemory (addr_t ptr) |
| 1170 | { |
| 1171 | return DoDeallocateMemory (ptr); |
| 1172 | } |
| 1173 | |
| 1174 | |
| 1175 | Error |
| 1176 | Process::EnableWatchpoint (WatchpointLocation *watchpoint) |
| 1177 | { |
| 1178 | Error error; |
| 1179 | error.SetErrorString("watchpoints are not supported"); |
| 1180 | return error; |
| 1181 | } |
| 1182 | |
| 1183 | Error |
| 1184 | Process::DisableWatchpoint (WatchpointLocation *watchpoint) |
| 1185 | { |
| 1186 | Error error; |
| 1187 | error.SetErrorString("watchpoints are not supported"); |
| 1188 | return error; |
| 1189 | } |
| 1190 | |
| 1191 | StateType |
| 1192 | Process::WaitForProcessStopPrivate (const TimeValue *timeout, EventSP &event_sp) |
| 1193 | { |
| 1194 | StateType state; |
| 1195 | // Now wait for the process to launch and return control to us, and then |
| 1196 | // call DidLaunch: |
| 1197 | while (1) |
| 1198 | { |
| 1199 | // FIXME: Might want to put a timeout in here: |
| 1200 | state = WaitForStateChangedEventsPrivate (NULL, event_sp); |
| 1201 | if (state == eStateStopped || state == eStateCrashed || state == eStateExited) |
| 1202 | break; |
| 1203 | else |
| 1204 | HandlePrivateEvent (event_sp); |
| 1205 | } |
| 1206 | return state; |
| 1207 | } |
| 1208 | |
| 1209 | Error |
| 1210 | Process::Launch |
| 1211 | ( |
| 1212 | char const *argv[], |
| 1213 | char const *envp[], |
Greg Clayton | 452bf61 | 2010-08-31 18:35:14 +0000 | [diff] [blame] | 1214 | uint32_t launch_flags, |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1215 | const char *stdin_path, |
| 1216 | const char *stdout_path, |
| 1217 | const char *stderr_path |
| 1218 | ) |
| 1219 | { |
| 1220 | Error error; |
| 1221 | m_target_triple.Clear(); |
| 1222 | m_abi_sp.reset(); |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 1223 | m_process_input_reader.reset(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1224 | |
| 1225 | Module *exe_module = m_target.GetExecutableModule().get(); |
| 1226 | if (exe_module) |
| 1227 | { |
| 1228 | char exec_file_path[PATH_MAX]; |
| 1229 | exe_module->GetFileSpec().GetPath(exec_file_path, sizeof(exec_file_path)); |
| 1230 | if (exe_module->GetFileSpec().Exists()) |
| 1231 | { |
| 1232 | error = WillLaunch (exe_module); |
| 1233 | if (error.Success()) |
| 1234 | { |
Greg Clayton | d8c6253 | 2010-10-07 04:19:01 +0000 | [diff] [blame] | 1235 | SetPublicState (eStateLaunching); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1236 | // The args coming in should not contain the application name, the |
| 1237 | // lldb_private::Process class will add this in case the executable |
| 1238 | // gets resolved to a different file than was given on the command |
| 1239 | // line (like when an applicaiton bundle is specified and will |
| 1240 | // resolve to the contained exectuable file, or the file given was |
| 1241 | // a symlink or other file system link that resolves to a different |
| 1242 | // file). |
| 1243 | |
| 1244 | // Get the resolved exectuable path |
| 1245 | |
| 1246 | // Make a new argument vector |
| 1247 | std::vector<const char *> exec_path_plus_argv; |
| 1248 | // Append the resolved executable path |
| 1249 | exec_path_plus_argv.push_back (exec_file_path); |
| 1250 | |
| 1251 | // Push all args if there are any |
| 1252 | if (argv) |
| 1253 | { |
| 1254 | for (int i = 0; argv[i]; ++i) |
| 1255 | exec_path_plus_argv.push_back(argv[i]); |
| 1256 | } |
| 1257 | |
| 1258 | // Push a NULL to terminate the args. |
| 1259 | exec_path_plus_argv.push_back(NULL); |
| 1260 | |
| 1261 | // Now launch using these arguments. |
Greg Clayton | 53d68e7 | 2010-07-20 22:52:08 +0000 | [diff] [blame] | 1262 | error = DoLaunch (exe_module, |
| 1263 | exec_path_plus_argv.empty() ? NULL : &exec_path_plus_argv.front(), |
| 1264 | envp, |
Greg Clayton | 452bf61 | 2010-08-31 18:35:14 +0000 | [diff] [blame] | 1265 | launch_flags, |
Greg Clayton | 53d68e7 | 2010-07-20 22:52:08 +0000 | [diff] [blame] | 1266 | stdin_path, |
| 1267 | stdout_path, |
| 1268 | stderr_path); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1269 | |
| 1270 | if (error.Fail()) |
| 1271 | { |
| 1272 | if (GetID() != LLDB_INVALID_PROCESS_ID) |
| 1273 | { |
| 1274 | SetID (LLDB_INVALID_PROCESS_ID); |
| 1275 | const char *error_string = error.AsCString(); |
| 1276 | if (error_string == NULL) |
| 1277 | error_string = "launch failed"; |
| 1278 | SetExitStatus (-1, error_string); |
| 1279 | } |
| 1280 | } |
| 1281 | else |
| 1282 | { |
| 1283 | EventSP event_sp; |
| 1284 | StateType state = WaitForProcessStopPrivate(NULL, event_sp); |
| 1285 | |
| 1286 | if (state == eStateStopped || state == eStateCrashed) |
| 1287 | { |
| 1288 | DidLaunch (); |
| 1289 | |
| 1290 | // This delays passing the stopped event to listeners till DidLaunch gets |
| 1291 | // a chance to complete... |
| 1292 | HandlePrivateEvent (event_sp); |
| 1293 | StartPrivateStateThread (); |
| 1294 | } |
| 1295 | else if (state == eStateExited) |
| 1296 | { |
| 1297 | // We exited while trying to launch somehow. Don't call DidLaunch as that's |
| 1298 | // not likely to work, and return an invalid pid. |
| 1299 | HandlePrivateEvent (event_sp); |
| 1300 | } |
| 1301 | } |
| 1302 | } |
| 1303 | } |
| 1304 | else |
| 1305 | { |
| 1306 | error.SetErrorStringWithFormat("File doesn't exist: '%s'.\n", exec_file_path); |
| 1307 | } |
| 1308 | } |
| 1309 | return error; |
| 1310 | } |
| 1311 | |
| 1312 | Error |
| 1313 | Process::CompleteAttach () |
| 1314 | { |
| 1315 | Error error; |
Greg Clayton | c1d3775 | 2010-10-18 01:45:30 +0000 | [diff] [blame] | 1316 | |
| 1317 | if (GetID() == LLDB_INVALID_PROCESS_ID) |
| 1318 | { |
| 1319 | error.SetErrorString("no process"); |
| 1320 | } |
| 1321 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1322 | EventSP event_sp; |
| 1323 | StateType state = WaitForProcessStopPrivate(NULL, event_sp); |
| 1324 | if (state == eStateStopped || state == eStateCrashed) |
| 1325 | { |
| 1326 | DidAttach (); |
Jim Ingham | 7508e73 | 2010-08-09 23:31:02 +0000 | [diff] [blame] | 1327 | // Figure out which one is the executable, and set that in our target: |
| 1328 | ModuleList &modules = GetTarget().GetImages(); |
| 1329 | |
| 1330 | size_t num_modules = modules.GetSize(); |
| 1331 | for (int i = 0; i < num_modules; i++) |
| 1332 | { |
| 1333 | ModuleSP module_sp = modules.GetModuleAtIndex(i); |
| 1334 | if (module_sp->IsExecutable()) |
| 1335 | { |
| 1336 | ModuleSP exec_module = GetTarget().GetExecutableModule(); |
| 1337 | if (!exec_module || exec_module != module_sp) |
| 1338 | { |
| 1339 | |
| 1340 | GetTarget().SetExecutableModule (module_sp, false); |
| 1341 | } |
| 1342 | break; |
| 1343 | } |
| 1344 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1345 | |
| 1346 | // This delays passing the stopped event to listeners till DidLaunch gets |
| 1347 | // a chance to complete... |
| 1348 | HandlePrivateEvent(event_sp); |
| 1349 | StartPrivateStateThread(); |
| 1350 | } |
| 1351 | else |
| 1352 | { |
| 1353 | // We exited while trying to launch somehow. Don't call DidLaunch as that's |
| 1354 | // not likely to work, and return an invalid pid. |
| 1355 | if (state == eStateExited) |
| 1356 | HandlePrivateEvent (event_sp); |
| 1357 | error.SetErrorStringWithFormat("invalid state after attach: %s", |
| 1358 | lldb_private::StateAsCString(state)); |
| 1359 | } |
| 1360 | return error; |
| 1361 | } |
| 1362 | |
| 1363 | Error |
| 1364 | Process::Attach (lldb::pid_t attach_pid) |
| 1365 | { |
| 1366 | |
| 1367 | m_target_triple.Clear(); |
| 1368 | m_abi_sp.reset(); |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 1369 | m_process_input_reader.reset(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1370 | |
Jim Ingham | 7508e73 | 2010-08-09 23:31:02 +0000 | [diff] [blame] | 1371 | // Find the process and its architecture. Make sure it matches the architecture |
| 1372 | // of the current Target, and if not adjust it. |
| 1373 | |
| 1374 | ArchSpec attach_spec = GetArchSpecForExistingProcess (attach_pid); |
| 1375 | if (attach_spec != GetTarget().GetArchitecture()) |
| 1376 | { |
| 1377 | // Set the architecture on the target. |
| 1378 | GetTarget().SetArchitecture(attach_spec); |
| 1379 | } |
| 1380 | |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 1381 | Error error (WillAttachToProcessWithID(attach_pid)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1382 | if (error.Success()) |
| 1383 | { |
Greg Clayton | d8c6253 | 2010-10-07 04:19:01 +0000 | [diff] [blame] | 1384 | SetPublicState (eStateAttaching); |
| 1385 | |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 1386 | error = DoAttachToProcessWithID (attach_pid); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1387 | if (error.Success()) |
| 1388 | { |
| 1389 | error = CompleteAttach(); |
| 1390 | } |
| 1391 | else |
| 1392 | { |
| 1393 | if (GetID() != LLDB_INVALID_PROCESS_ID) |
| 1394 | { |
| 1395 | SetID (LLDB_INVALID_PROCESS_ID); |
| 1396 | const char *error_string = error.AsCString(); |
| 1397 | if (error_string == NULL) |
| 1398 | error_string = "attach failed"; |
| 1399 | |
| 1400 | SetExitStatus(-1, error_string); |
| 1401 | } |
| 1402 | } |
| 1403 | } |
| 1404 | return error; |
| 1405 | } |
| 1406 | |
| 1407 | Error |
| 1408 | Process::Attach (const char *process_name, bool wait_for_launch) |
| 1409 | { |
| 1410 | m_target_triple.Clear(); |
| 1411 | m_abi_sp.reset(); |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 1412 | m_process_input_reader.reset(); |
Jim Ingham | 7508e73 | 2010-08-09 23:31:02 +0000 | [diff] [blame] | 1413 | |
| 1414 | // Find the process and its architecture. Make sure it matches the architecture |
| 1415 | // of the current Target, and if not adjust it. |
| 1416 | |
Jim Ingham | ea29418 | 2010-08-17 21:54:19 +0000 | [diff] [blame] | 1417 | if (!wait_for_launch) |
Jim Ingham | 7508e73 | 2010-08-09 23:31:02 +0000 | [diff] [blame] | 1418 | { |
Jim Ingham | ea29418 | 2010-08-17 21:54:19 +0000 | [diff] [blame] | 1419 | ArchSpec attach_spec = GetArchSpecForExistingProcess (process_name); |
Greg Clayton | c1d3775 | 2010-10-18 01:45:30 +0000 | [diff] [blame] | 1420 | if (attach_spec.IsValid() && attach_spec != GetTarget().GetArchitecture()) |
Jim Ingham | ea29418 | 2010-08-17 21:54:19 +0000 | [diff] [blame] | 1421 | { |
| 1422 | // Set the architecture on the target. |
| 1423 | GetTarget().SetArchitecture(attach_spec); |
| 1424 | } |
Jim Ingham | 7508e73 | 2010-08-09 23:31:02 +0000 | [diff] [blame] | 1425 | } |
Jim Ingham | ea29418 | 2010-08-17 21:54:19 +0000 | [diff] [blame] | 1426 | |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 1427 | Error error (WillAttachToProcessWithName(process_name, wait_for_launch)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1428 | if (error.Success()) |
| 1429 | { |
Greg Clayton | d8c6253 | 2010-10-07 04:19:01 +0000 | [diff] [blame] | 1430 | SetPublicState (eStateAttaching); |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 1431 | error = DoAttachToProcessWithName (process_name, wait_for_launch); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1432 | if (error.Fail()) |
| 1433 | { |
| 1434 | if (GetID() != LLDB_INVALID_PROCESS_ID) |
| 1435 | { |
| 1436 | SetID (LLDB_INVALID_PROCESS_ID); |
| 1437 | const char *error_string = error.AsCString(); |
| 1438 | if (error_string == NULL) |
| 1439 | error_string = "attach failed"; |
| 1440 | |
| 1441 | SetExitStatus(-1, error_string); |
| 1442 | } |
| 1443 | } |
| 1444 | else |
| 1445 | { |
| 1446 | error = CompleteAttach(); |
| 1447 | } |
| 1448 | } |
| 1449 | return error; |
| 1450 | } |
| 1451 | |
| 1452 | Error |
| 1453 | Process::Resume () |
| 1454 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 1455 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1456 | if (log) |
| 1457 | log->Printf("Process::Resume() m_stop_id = %u", m_stop_id); |
| 1458 | |
| 1459 | Error error (WillResume()); |
| 1460 | // Tell the process it is about to resume before the thread list |
| 1461 | if (error.Success()) |
| 1462 | { |
Johnny Chen | 9c11d47 | 2010-12-02 20:53:05 +0000 | [diff] [blame] | 1463 | // Now let the thread list know we are about to resume so it |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1464 | // can let all of our threads know that they are about to be |
| 1465 | // resumed. Threads will each be called with |
| 1466 | // Thread::WillResume(StateType) where StateType contains the state |
| 1467 | // that they are supposed to have when the process is resumed |
| 1468 | // (suspended/running/stepping). Threads should also check |
| 1469 | // their resume signal in lldb::Thread::GetResumeSignal() |
| 1470 | // to see if they are suppoed to start back up with a signal. |
| 1471 | if (m_thread_list.WillResume()) |
| 1472 | { |
| 1473 | error = DoResume(); |
| 1474 | if (error.Success()) |
| 1475 | { |
| 1476 | DidResume(); |
| 1477 | m_thread_list.DidResume(); |
| 1478 | } |
| 1479 | } |
| 1480 | else |
| 1481 | { |
| 1482 | error.SetErrorStringWithFormat("thread list returned flase after WillResume"); |
| 1483 | } |
| 1484 | } |
| 1485 | return error; |
| 1486 | } |
| 1487 | |
| 1488 | Error |
| 1489 | Process::Halt () |
| 1490 | { |
| 1491 | Error error (WillHalt()); |
| 1492 | |
| 1493 | if (error.Success()) |
| 1494 | { |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 1495 | |
| 1496 | bool caused_stop = false; |
| 1497 | EventSP event_sp; |
| 1498 | |
| 1499 | // Pause our private state thread so we can ensure no one else eats |
| 1500 | // the stop event out from under us. |
| 1501 | PausePrivateStateThread(); |
| 1502 | |
| 1503 | // Ask the process subclass to actually halt our process |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1504 | error = DoHalt(caused_stop); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1505 | if (error.Success()) |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1506 | { |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 1507 | // If "caused_stop" is true, then DoHalt stopped the process. If |
| 1508 | // "caused_stop" is false, the process was already stopped. |
| 1509 | // If the DoHalt caused the process to stop, then we want to catch |
| 1510 | // this event and set the interrupted bool to true before we pass |
| 1511 | // this along so clients know that the process was interrupted by |
| 1512 | // a halt command. |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1513 | if (caused_stop) |
| 1514 | { |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 1515 | // Wait for 2 seconds for the process to stop. |
| 1516 | TimeValue timeout_time; |
| 1517 | timeout_time = TimeValue::Now(); |
| 1518 | timeout_time.OffsetWithSeconds(2); |
| 1519 | StateType state = WaitForStateChangedEventsPrivate (&timeout_time, event_sp); |
| 1520 | |
| 1521 | if (state == eStateInvalid) |
| 1522 | { |
| 1523 | // We timeout out and didn't get a stop event... |
| 1524 | error.SetErrorString ("Halt timed out."); |
| 1525 | } |
| 1526 | else |
| 1527 | { |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 1528 | if (StateIsStoppedState (state)) |
| 1529 | { |
| 1530 | // We caused the process to interrupt itself, so mark this |
| 1531 | // as such in the stop event so clients can tell an interrupted |
| 1532 | // process from a natural stop |
| 1533 | ProcessEventData::SetInterruptedInEvent (event_sp.get(), true); |
| 1534 | } |
| 1535 | else |
| 1536 | { |
| 1537 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); |
| 1538 | if (log) |
| 1539 | log->Printf("Process::Halt() failed to stop, state is: %s", StateAsCString(state)); |
| 1540 | error.SetErrorString ("Did not get stopped event after halt."); |
| 1541 | } |
| 1542 | } |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1543 | } |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 1544 | DidHalt(); |
| 1545 | |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1546 | } |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 1547 | // Resume our private state thread before we post the event (if any) |
| 1548 | ResumePrivateStateThread(); |
| 1549 | |
| 1550 | // Post any event we might have consumed. If all goes well, we will have |
| 1551 | // stopped the process, intercepted the event and set the interrupted |
Jim Ingham | 360f53f | 2010-11-30 02:22:11 +0000 | [diff] [blame] | 1552 | // bool in the event. Post it to the private event queue and that will end up |
| 1553 | // correctly setting the state. |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 1554 | if (event_sp) |
Caroline Tice | c4f55fe | 2010-11-19 20:47:54 +0000 | [diff] [blame] | 1555 | m_private_state_broadcaster.BroadcastEvent(event_sp); |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 1556 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1557 | } |
| 1558 | return error; |
| 1559 | } |
| 1560 | |
| 1561 | Error |
| 1562 | Process::Detach () |
| 1563 | { |
| 1564 | Error error (WillDetach()); |
| 1565 | |
| 1566 | if (error.Success()) |
| 1567 | { |
| 1568 | DisableAllBreakpointSites(); |
| 1569 | error = DoDetach(); |
| 1570 | if (error.Success()) |
| 1571 | { |
| 1572 | DidDetach(); |
| 1573 | StopPrivateStateThread(); |
| 1574 | } |
| 1575 | } |
| 1576 | return error; |
| 1577 | } |
| 1578 | |
| 1579 | Error |
| 1580 | Process::Destroy () |
| 1581 | { |
| 1582 | Error error (WillDestroy()); |
| 1583 | if (error.Success()) |
| 1584 | { |
| 1585 | DisableAllBreakpointSites(); |
| 1586 | error = DoDestroy(); |
| 1587 | if (error.Success()) |
| 1588 | { |
| 1589 | DidDestroy(); |
| 1590 | StopPrivateStateThread(); |
| 1591 | } |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 1592 | m_stdio_communication.StopReadThread(); |
| 1593 | m_stdio_communication.Disconnect(); |
| 1594 | if (m_process_input_reader && m_process_input_reader->IsActive()) |
| 1595 | m_target.GetDebugger().PopInputReader (m_process_input_reader); |
| 1596 | if (m_process_input_reader) |
| 1597 | m_process_input_reader.reset(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1598 | } |
| 1599 | return error; |
| 1600 | } |
| 1601 | |
| 1602 | Error |
| 1603 | Process::Signal (int signal) |
| 1604 | { |
| 1605 | Error error (WillSignal()); |
| 1606 | if (error.Success()) |
| 1607 | { |
| 1608 | error = DoSignal(signal); |
| 1609 | if (error.Success()) |
| 1610 | DidSignal(); |
| 1611 | } |
| 1612 | return error; |
| 1613 | } |
| 1614 | |
| 1615 | UnixSignals & |
| 1616 | Process::GetUnixSignals () |
| 1617 | { |
| 1618 | return m_unix_signals; |
| 1619 | } |
| 1620 | |
| 1621 | Target & |
| 1622 | Process::GetTarget () |
| 1623 | { |
| 1624 | return m_target; |
| 1625 | } |
| 1626 | |
| 1627 | const Target & |
| 1628 | Process::GetTarget () const |
| 1629 | { |
| 1630 | return m_target; |
| 1631 | } |
| 1632 | |
| 1633 | uint32_t |
| 1634 | Process::GetAddressByteSize() |
| 1635 | { |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 1636 | if (m_addr_byte_size == 0) |
| 1637 | return m_target.GetArchitecture().GetAddressByteSize(); |
| 1638 | return m_addr_byte_size; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1639 | } |
| 1640 | |
| 1641 | bool |
| 1642 | Process::ShouldBroadcastEvent (Event *event_ptr) |
| 1643 | { |
| 1644 | const StateType state = Process::ProcessEventData::GetStateFromEvent (event_ptr); |
| 1645 | bool return_value = true; |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 1646 | LogSP log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EVENTS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1647 | |
| 1648 | switch (state) |
| 1649 | { |
| 1650 | case eStateAttaching: |
| 1651 | case eStateLaunching: |
| 1652 | case eStateDetached: |
| 1653 | case eStateExited: |
| 1654 | case eStateUnloaded: |
| 1655 | // These events indicate changes in the state of the debugging session, always report them. |
| 1656 | return_value = true; |
| 1657 | break; |
| 1658 | case eStateInvalid: |
| 1659 | // We stopped for no apparent reason, don't report it. |
| 1660 | return_value = false; |
| 1661 | break; |
| 1662 | case eStateRunning: |
| 1663 | case eStateStepping: |
| 1664 | // If we've started the target running, we handle the cases where we |
| 1665 | // are already running and where there is a transition from stopped to |
| 1666 | // running differently. |
| 1667 | // running -> running: Automatically suppress extra running events |
| 1668 | // stopped -> running: Report except when there is one or more no votes |
| 1669 | // and no yes votes. |
| 1670 | SynchronouslyNotifyStateChanged (state); |
| 1671 | switch (m_public_state.GetValue()) |
| 1672 | { |
| 1673 | case eStateRunning: |
| 1674 | case eStateStepping: |
| 1675 | // We always suppress multiple runnings with no PUBLIC stop in between. |
| 1676 | return_value = false; |
| 1677 | break; |
| 1678 | default: |
| 1679 | // TODO: make this work correctly. For now always report |
| 1680 | // run if we aren't running so we don't miss any runnning |
| 1681 | // events. If I run the lldb/test/thread/a.out file and |
| 1682 | // break at main.cpp:58, run and hit the breakpoints on |
| 1683 | // multiple threads, then somehow during the stepping over |
| 1684 | // of all breakpoints no run gets reported. |
| 1685 | return_value = true; |
| 1686 | |
| 1687 | // This is a transition from stop to run. |
| 1688 | switch (m_thread_list.ShouldReportRun (event_ptr)) |
| 1689 | { |
| 1690 | case eVoteYes: |
| 1691 | case eVoteNoOpinion: |
| 1692 | return_value = true; |
| 1693 | break; |
| 1694 | case eVoteNo: |
| 1695 | return_value = false; |
| 1696 | break; |
| 1697 | } |
| 1698 | break; |
| 1699 | } |
| 1700 | break; |
| 1701 | case eStateStopped: |
| 1702 | case eStateCrashed: |
| 1703 | case eStateSuspended: |
| 1704 | { |
| 1705 | // We've stopped. First see if we're going to restart the target. |
| 1706 | // If we are going to stop, then we always broadcast the event. |
| 1707 | // If we aren't going to stop, let the thread plans decide if we're going to report this event. |
Jim Ingham | 5a47e8b | 2010-06-19 04:45:32 +0000 | [diff] [blame] | 1708 | // If no thread has an opinion, we don't report it. |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1709 | if (ProcessEventData::GetInterruptedFromEvent (event_ptr)) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1710 | { |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 1711 | if (log) |
| 1712 | log->Printf ("Process::ShouldBroadcastEvent (%p) stopped due to an interrupt, state: %s", event_ptr, StateAsCString(state)); |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1713 | return true; |
| 1714 | } |
| 1715 | else |
| 1716 | { |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1717 | RefreshStateAfterStop (); |
| 1718 | |
| 1719 | if (m_thread_list.ShouldStop (event_ptr) == false) |
| 1720 | { |
| 1721 | switch (m_thread_list.ShouldReportStop (event_ptr)) |
| 1722 | { |
| 1723 | case eVoteYes: |
| 1724 | Process::ProcessEventData::SetRestartedInEvent (event_ptr, true); |
Johnny Chen | 028784b | 2010-10-14 00:54:32 +0000 | [diff] [blame] | 1725 | // Intentional fall-through here. |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1726 | case eVoteNoOpinion: |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1727 | case eVoteNo: |
| 1728 | return_value = false; |
| 1729 | break; |
| 1730 | } |
| 1731 | |
| 1732 | if (log) |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1733 | log->Printf ("Process::ShouldBroadcastEvent (%p) Restarting process from state: %s", event_ptr, StateAsCString(state)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1734 | Resume (); |
| 1735 | } |
| 1736 | else |
| 1737 | { |
| 1738 | return_value = true; |
| 1739 | SynchronouslyNotifyStateChanged (state); |
| 1740 | } |
| 1741 | } |
| 1742 | } |
| 1743 | } |
| 1744 | |
| 1745 | if (log) |
| 1746 | log->Printf ("Process::ShouldBroadcastEvent (%p) => %s", event_ptr, StateAsCString(state), return_value ? "YES" : "NO"); |
| 1747 | return return_value; |
| 1748 | } |
| 1749 | |
| 1750 | //------------------------------------------------------------------ |
| 1751 | // Thread Queries |
| 1752 | //------------------------------------------------------------------ |
| 1753 | |
| 1754 | ThreadList & |
| 1755 | Process::GetThreadList () |
| 1756 | { |
| 1757 | return m_thread_list; |
| 1758 | } |
| 1759 | |
| 1760 | const ThreadList & |
| 1761 | Process::GetThreadList () const |
| 1762 | { |
| 1763 | return m_thread_list; |
| 1764 | } |
| 1765 | |
| 1766 | |
| 1767 | bool |
| 1768 | Process::StartPrivateStateThread () |
| 1769 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 1770 | LogSP log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EVENTS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1771 | |
| 1772 | if (log) |
| 1773 | log->Printf ("Process::%s ( )", __FUNCTION__); |
| 1774 | |
| 1775 | // Create a thread that watches our internal state and controls which |
| 1776 | // events make it to clients (into the DCProcess event queue). |
| 1777 | m_private_state_thread = Host::ThreadCreate ("<lldb.process.internal-state>", Process::PrivateStateThread, this, NULL); |
| 1778 | return m_private_state_thread != LLDB_INVALID_HOST_THREAD; |
| 1779 | } |
| 1780 | |
| 1781 | void |
| 1782 | Process::PausePrivateStateThread () |
| 1783 | { |
| 1784 | ControlPrivateStateThread (eBroadcastInternalStateControlPause); |
| 1785 | } |
| 1786 | |
| 1787 | void |
| 1788 | Process::ResumePrivateStateThread () |
| 1789 | { |
| 1790 | ControlPrivateStateThread (eBroadcastInternalStateControlResume); |
| 1791 | } |
| 1792 | |
| 1793 | void |
| 1794 | Process::StopPrivateStateThread () |
| 1795 | { |
| 1796 | ControlPrivateStateThread (eBroadcastInternalStateControlStop); |
| 1797 | } |
| 1798 | |
| 1799 | void |
| 1800 | Process::ControlPrivateStateThread (uint32_t signal) |
| 1801 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 1802 | LogSP log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EVENTS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1803 | |
| 1804 | assert (signal == eBroadcastInternalStateControlStop || |
| 1805 | signal == eBroadcastInternalStateControlPause || |
| 1806 | signal == eBroadcastInternalStateControlResume); |
| 1807 | |
| 1808 | if (log) |
| 1809 | log->Printf ("Process::%s ( ) - signal: %d", __FUNCTION__, signal); |
| 1810 | |
| 1811 | // Signal the private state thread |
| 1812 | if (m_private_state_thread != LLDB_INVALID_HOST_THREAD) |
| 1813 | { |
| 1814 | TimeValue timeout_time; |
| 1815 | bool timed_out; |
| 1816 | |
| 1817 | m_private_state_control_broadcaster.BroadcastEvent (signal, NULL); |
| 1818 | |
| 1819 | timeout_time = TimeValue::Now(); |
| 1820 | timeout_time.OffsetWithSeconds(2); |
| 1821 | m_private_state_control_wait.WaitForValueEqualTo (true, &timeout_time, &timed_out); |
| 1822 | m_private_state_control_wait.SetValue (false, eBroadcastNever); |
| 1823 | |
| 1824 | if (signal == eBroadcastInternalStateControlStop) |
| 1825 | { |
| 1826 | if (timed_out) |
| 1827 | Host::ThreadCancel (m_private_state_thread, NULL); |
| 1828 | |
| 1829 | thread_result_t result = NULL; |
| 1830 | Host::ThreadJoin (m_private_state_thread, &result, NULL); |
Greg Clayton | c607d86 | 2010-07-22 18:34:21 +0000 | [diff] [blame] | 1831 | m_private_state_thread = LLDB_INVALID_HOST_THREAD; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1832 | } |
| 1833 | } |
| 1834 | } |
| 1835 | |
| 1836 | void |
| 1837 | Process::HandlePrivateEvent (EventSP &event_sp) |
| 1838 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 1839 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1840 | const StateType internal_state = Process::ProcessEventData::GetStateFromEvent(event_sp.get()); |
| 1841 | // See if we should broadcast this state to external clients? |
| 1842 | const bool should_broadcast = ShouldBroadcastEvent (event_sp.get()); |
| 1843 | if (log) |
| 1844 | log->Printf ("Process::%s (arg = %p, pid = %i) got event '%s' broadcast = %s", __FUNCTION__, this, GetID(), StateAsCString(internal_state), should_broadcast ? "yes" : "no"); |
| 1845 | |
| 1846 | if (should_broadcast) |
| 1847 | { |
| 1848 | if (log) |
| 1849 | { |
| 1850 | log->Printf ("\tChanging public state from: %s to %s", StateAsCString(GetState ()), StateAsCString (internal_state)); |
| 1851 | } |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 1852 | if (StateIsRunningState (internal_state)) |
| 1853 | PushProcessInputReader (); |
| 1854 | else |
| 1855 | PopProcessInputReader (); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1856 | Process::ProcessEventData::SetUpdateStateOnRemoval(event_sp.get()); |
| 1857 | BroadcastEvent (event_sp); |
| 1858 | } |
| 1859 | else |
| 1860 | { |
| 1861 | if (log) |
| 1862 | { |
| 1863 | log->Printf ("\tNot changing public state with event: %s", StateAsCString (internal_state)); |
| 1864 | } |
| 1865 | } |
| 1866 | } |
| 1867 | |
| 1868 | void * |
| 1869 | Process::PrivateStateThread (void *arg) |
| 1870 | { |
| 1871 | Process *proc = static_cast<Process*> (arg); |
| 1872 | void *result = proc->RunPrivateStateThread (); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1873 | return result; |
| 1874 | } |
| 1875 | |
| 1876 | void * |
| 1877 | Process::RunPrivateStateThread () |
| 1878 | { |
| 1879 | bool control_only = false; |
| 1880 | m_private_state_control_wait.SetValue (false, eBroadcastNever); |
| 1881 | |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 1882 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1883 | if (log) |
| 1884 | log->Printf ("Process::%s (arg = %p, pid = %i) thread starting...", __FUNCTION__, this, GetID()); |
| 1885 | |
| 1886 | bool exit_now = false; |
| 1887 | while (!exit_now) |
| 1888 | { |
| 1889 | EventSP event_sp; |
| 1890 | WaitForEventsPrivate (NULL, event_sp, control_only); |
| 1891 | if (event_sp->BroadcasterIs(&m_private_state_control_broadcaster)) |
| 1892 | { |
| 1893 | switch (event_sp->GetType()) |
| 1894 | { |
| 1895 | case eBroadcastInternalStateControlStop: |
| 1896 | exit_now = true; |
| 1897 | continue; // Go to next loop iteration so we exit without |
| 1898 | break; // doing any internal state managment below |
| 1899 | |
| 1900 | case eBroadcastInternalStateControlPause: |
| 1901 | control_only = true; |
| 1902 | break; |
| 1903 | |
| 1904 | case eBroadcastInternalStateControlResume: |
| 1905 | control_only = false; |
| 1906 | break; |
| 1907 | } |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1908 | |
| 1909 | log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS); |
| 1910 | if (log) |
| 1911 | log->Printf ("Process::%s (arg = %p, pid = %i) got a control event: %d", __FUNCTION__, this, GetID(), event_sp->GetType()); |
| 1912 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1913 | m_private_state_control_wait.SetValue (true, eBroadcastAlways); |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1914 | continue; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1915 | } |
| 1916 | |
| 1917 | |
| 1918 | const StateType internal_state = Process::ProcessEventData::GetStateFromEvent(event_sp.get()); |
| 1919 | |
| 1920 | if (internal_state != eStateInvalid) |
| 1921 | { |
| 1922 | HandlePrivateEvent (event_sp); |
| 1923 | } |
| 1924 | |
Greg Clayton | 3b2c41c | 2010-10-18 04:14:23 +0000 | [diff] [blame] | 1925 | if (internal_state == eStateInvalid || |
| 1926 | internal_state == eStateExited || |
| 1927 | internal_state == eStateDetached ) |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1928 | { |
| 1929 | log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS); |
| 1930 | if (log) |
| 1931 | log->Printf ("Process::%s (arg = %p, pid = %i) about to exit with internal state %s...", __FUNCTION__, this, GetID(), StateAsCString(internal_state)); |
| 1932 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1933 | break; |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1934 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1935 | } |
| 1936 | |
Caroline Tice | 926060e | 2010-10-29 21:48:37 +0000 | [diff] [blame] | 1937 | // Verify log is still enabled before attempting to write to it... |
| 1938 | log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1939 | if (log) |
| 1940 | log->Printf ("Process::%s (arg = %p, pid = %i) thread exiting...", __FUNCTION__, this, GetID()); |
| 1941 | |
Greg Clayton | 8b4c16e | 2010-08-19 21:50:06 +0000 | [diff] [blame] | 1942 | m_private_state_thread = LLDB_INVALID_HOST_THREAD; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1943 | return NULL; |
| 1944 | } |
| 1945 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1946 | //------------------------------------------------------------------ |
| 1947 | // Process Event Data |
| 1948 | //------------------------------------------------------------------ |
| 1949 | |
| 1950 | Process::ProcessEventData::ProcessEventData () : |
| 1951 | EventData (), |
| 1952 | m_process_sp (), |
| 1953 | m_state (eStateInvalid), |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 1954 | m_restarted (false), |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1955 | m_update_state (false), |
| 1956 | m_interrupted (false) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1957 | { |
| 1958 | } |
| 1959 | |
| 1960 | Process::ProcessEventData::ProcessEventData (const ProcessSP &process_sp, StateType state) : |
| 1961 | EventData (), |
| 1962 | m_process_sp (process_sp), |
| 1963 | m_state (state), |
Greg Clayton | 54e7afa | 2010-07-09 20:39:50 +0000 | [diff] [blame] | 1964 | m_restarted (false), |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 1965 | m_update_state (false), |
| 1966 | m_interrupted (false) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1967 | { |
| 1968 | } |
| 1969 | |
| 1970 | Process::ProcessEventData::~ProcessEventData() |
| 1971 | { |
| 1972 | } |
| 1973 | |
| 1974 | const ConstString & |
| 1975 | Process::ProcessEventData::GetFlavorString () |
| 1976 | { |
| 1977 | static ConstString g_flavor ("Process::ProcessEventData"); |
| 1978 | return g_flavor; |
| 1979 | } |
| 1980 | |
| 1981 | const ConstString & |
| 1982 | Process::ProcessEventData::GetFlavor () const |
| 1983 | { |
| 1984 | return ProcessEventData::GetFlavorString (); |
| 1985 | } |
| 1986 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1987 | void |
| 1988 | Process::ProcessEventData::DoOnRemoval (Event *event_ptr) |
| 1989 | { |
| 1990 | // This function gets called twice for each event, once when the event gets pulled |
| 1991 | // off of the private process event queue, and once when it gets pulled off of |
| 1992 | // the public event queue. m_update_state is used to distinguish these |
| 1993 | // two cases; it is false when we're just pulling it off for private handling, |
| 1994 | // and we don't want to do the breakpoint command handling then. |
| 1995 | |
| 1996 | if (!m_update_state) |
| 1997 | return; |
| 1998 | |
| 1999 | m_process_sp->SetPublicState (m_state); |
| 2000 | |
| 2001 | // If we're stopped and haven't restarted, then do the breakpoint commands here: |
| 2002 | if (m_state == eStateStopped && ! m_restarted) |
| 2003 | { |
| 2004 | int num_threads = m_process_sp->GetThreadList().GetSize(); |
| 2005 | int idx; |
Greg Clayton | 643ee73 | 2010-08-04 01:40:35 +0000 | [diff] [blame] | 2006 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 2007 | for (idx = 0; idx < num_threads; ++idx) |
| 2008 | { |
| 2009 | lldb::ThreadSP thread_sp = m_process_sp->GetThreadList().GetThreadAtIndex(idx); |
| 2010 | |
Jim Ingham | 6297a3a | 2010-10-20 00:39:53 +0000 | [diff] [blame] | 2011 | StopInfoSP stop_info_sp = thread_sp->GetStopInfo (); |
| 2012 | if (stop_info_sp) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 2013 | { |
Jim Ingham | 6297a3a | 2010-10-20 00:39:53 +0000 | [diff] [blame] | 2014 | stop_info_sp->PerformAction(event_ptr); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 2015 | } |
| 2016 | } |
Greg Clayton | 643ee73 | 2010-08-04 01:40:35 +0000 | [diff] [blame] | 2017 | |
Jim Ingham | 6fb8baa | 2010-08-10 00:59:59 +0000 | [diff] [blame] | 2018 | // The stop action might restart the target. If it does, then we want to mark that in the |
| 2019 | // event so that whoever is receiving it will know to wait for the running event and reflect |
| 2020 | // that state appropriately. |
| 2021 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 2022 | if (m_process_sp->GetPrivateState() == eStateRunning) |
| 2023 | SetRestarted(true); |
| 2024 | } |
| 2025 | } |
| 2026 | |
| 2027 | void |
| 2028 | Process::ProcessEventData::Dump (Stream *s) const |
| 2029 | { |
| 2030 | if (m_process_sp) |
| 2031 | s->Printf(" process = %p (pid = %u), ", m_process_sp.get(), m_process_sp->GetID()); |
| 2032 | |
| 2033 | s->Printf("state = %s", StateAsCString(GetState()));; |
| 2034 | } |
| 2035 | |
| 2036 | const Process::ProcessEventData * |
| 2037 | Process::ProcessEventData::GetEventDataFromEvent (const Event *event_ptr) |
| 2038 | { |
| 2039 | if (event_ptr) |
| 2040 | { |
| 2041 | const EventData *event_data = event_ptr->GetData(); |
| 2042 | if (event_data && event_data->GetFlavor() == ProcessEventData::GetFlavorString()) |
| 2043 | return static_cast <const ProcessEventData *> (event_ptr->GetData()); |
| 2044 | } |
| 2045 | return NULL; |
| 2046 | } |
| 2047 | |
| 2048 | ProcessSP |
| 2049 | Process::ProcessEventData::GetProcessFromEvent (const Event *event_ptr) |
| 2050 | { |
| 2051 | ProcessSP process_sp; |
| 2052 | const ProcessEventData *data = GetEventDataFromEvent (event_ptr); |
| 2053 | if (data) |
| 2054 | process_sp = data->GetProcessSP(); |
| 2055 | return process_sp; |
| 2056 | } |
| 2057 | |
| 2058 | StateType |
| 2059 | Process::ProcessEventData::GetStateFromEvent (const Event *event_ptr) |
| 2060 | { |
| 2061 | const ProcessEventData *data = GetEventDataFromEvent (event_ptr); |
| 2062 | if (data == NULL) |
| 2063 | return eStateInvalid; |
| 2064 | else |
| 2065 | return data->GetState(); |
| 2066 | } |
| 2067 | |
| 2068 | bool |
| 2069 | Process::ProcessEventData::GetRestartedFromEvent (const Event *event_ptr) |
| 2070 | { |
| 2071 | const ProcessEventData *data = GetEventDataFromEvent (event_ptr); |
| 2072 | if (data == NULL) |
| 2073 | return false; |
| 2074 | else |
| 2075 | return data->GetRestarted(); |
| 2076 | } |
| 2077 | |
| 2078 | void |
| 2079 | Process::ProcessEventData::SetRestartedInEvent (Event *event_ptr, bool new_value) |
| 2080 | { |
| 2081 | ProcessEventData *data = const_cast<ProcessEventData *>(GetEventDataFromEvent (event_ptr)); |
| 2082 | if (data != NULL) |
| 2083 | data->SetRestarted(new_value); |
| 2084 | } |
| 2085 | |
| 2086 | bool |
Jim Ingham | 3ae449a | 2010-11-17 02:32:00 +0000 | [diff] [blame] | 2087 | Process::ProcessEventData::GetInterruptedFromEvent (const Event *event_ptr) |
| 2088 | { |
| 2089 | const ProcessEventData *data = GetEventDataFromEvent (event_ptr); |
| 2090 | if (data == NULL) |
| 2091 | return false; |
| 2092 | else |
| 2093 | return data->GetInterrupted (); |
| 2094 | } |
| 2095 | |
| 2096 | void |
| 2097 | Process::ProcessEventData::SetInterruptedInEvent (Event *event_ptr, bool new_value) |
| 2098 | { |
| 2099 | ProcessEventData *data = const_cast<ProcessEventData *>(GetEventDataFromEvent (event_ptr)); |
| 2100 | if (data != NULL) |
| 2101 | data->SetInterrupted(new_value); |
| 2102 | } |
| 2103 | |
| 2104 | bool |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 2105 | Process::ProcessEventData::SetUpdateStateOnRemoval (Event *event_ptr) |
| 2106 | { |
| 2107 | ProcessEventData *data = const_cast<ProcessEventData *>(GetEventDataFromEvent (event_ptr)); |
| 2108 | if (data) |
| 2109 | { |
| 2110 | data->SetUpdateStateOnRemoval(); |
| 2111 | return true; |
| 2112 | } |
| 2113 | return false; |
| 2114 | } |
| 2115 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 2116 | Target * |
| 2117 | Process::CalculateTarget () |
| 2118 | { |
| 2119 | return &m_target; |
| 2120 | } |
| 2121 | |
| 2122 | Process * |
| 2123 | Process::CalculateProcess () |
| 2124 | { |
| 2125 | return this; |
| 2126 | } |
| 2127 | |
| 2128 | Thread * |
| 2129 | Process::CalculateThread () |
| 2130 | { |
| 2131 | return NULL; |
| 2132 | } |
| 2133 | |
| 2134 | StackFrame * |
| 2135 | Process::CalculateStackFrame () |
| 2136 | { |
| 2137 | return NULL; |
| 2138 | } |
| 2139 | |
| 2140 | void |
Greg Clayton | a830adb | 2010-10-04 01:05:56 +0000 | [diff] [blame] | 2141 | Process::CalculateExecutionContext (ExecutionContext &exe_ctx) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 2142 | { |
| 2143 | exe_ctx.target = &m_target; |
| 2144 | exe_ctx.process = this; |
| 2145 | exe_ctx.thread = NULL; |
| 2146 | exe_ctx.frame = NULL; |
| 2147 | } |
| 2148 | |
| 2149 | lldb::ProcessSP |
| 2150 | Process::GetSP () |
| 2151 | { |
| 2152 | return GetTarget().GetProcessSP(); |
| 2153 | } |
| 2154 | |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 2155 | ClangPersistentVariables & |
| 2156 | Process::GetPersistentVariables() |
| 2157 | { |
| 2158 | return m_persistent_vars; |
| 2159 | } |
| 2160 | |
Jim Ingham | 7508e73 | 2010-08-09 23:31:02 +0000 | [diff] [blame] | 2161 | uint32_t |
| 2162 | Process::ListProcessesMatchingName (const char *name, StringList &matches, std::vector<lldb::pid_t> &pids) |
| 2163 | { |
| 2164 | return 0; |
| 2165 | } |
| 2166 | |
| 2167 | ArchSpec |
| 2168 | Process::GetArchSpecForExistingProcess (lldb::pid_t pid) |
| 2169 | { |
| 2170 | return Host::GetArchSpecForExistingProcess (pid); |
| 2171 | } |
| 2172 | |
| 2173 | ArchSpec |
| 2174 | Process::GetArchSpecForExistingProcess (const char *process_name) |
| 2175 | { |
| 2176 | return Host::GetArchSpecForExistingProcess (process_name); |
| 2177 | } |
| 2178 | |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 2179 | void |
| 2180 | Process::AppendSTDOUT (const char * s, size_t len) |
| 2181 | { |
Greg Clayton | 20d338f | 2010-11-18 05:57:03 +0000 | [diff] [blame] | 2182 | Mutex::Locker locker (m_stdio_communication_mutex); |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 2183 | m_stdout_data.append (s, len); |
| 2184 | |
| 2185 | BroadcastEventIfUnique (eBroadcastBitSTDOUT); |
| 2186 | } |
| 2187 | |
| 2188 | void |
| 2189 | Process::STDIOReadThreadBytesReceived (void *baton, const void *src, size_t src_len) |
| 2190 | { |
| 2191 | Process *process = (Process *) baton; |
| 2192 | process->AppendSTDOUT (static_cast<const char *>(src), src_len); |
| 2193 | } |
| 2194 | |
| 2195 | size_t |
| 2196 | Process::ProcessInputReaderCallback (void *baton, |
| 2197 | InputReader &reader, |
| 2198 | lldb::InputReaderAction notification, |
| 2199 | const char *bytes, |
| 2200 | size_t bytes_len) |
| 2201 | { |
| 2202 | Process *process = (Process *) baton; |
| 2203 | |
| 2204 | switch (notification) |
| 2205 | { |
| 2206 | case eInputReaderActivate: |
| 2207 | break; |
| 2208 | |
| 2209 | case eInputReaderDeactivate: |
| 2210 | break; |
| 2211 | |
| 2212 | case eInputReaderReactivate: |
| 2213 | break; |
| 2214 | |
| 2215 | case eInputReaderGotToken: |
| 2216 | { |
| 2217 | Error error; |
| 2218 | process->PutSTDIN (bytes, bytes_len, error); |
| 2219 | } |
| 2220 | break; |
| 2221 | |
Caroline Tice | c4f55fe | 2010-11-19 20:47:54 +0000 | [diff] [blame] | 2222 | case eInputReaderInterrupt: |
| 2223 | process->Halt (); |
| 2224 | break; |
| 2225 | |
| 2226 | case eInputReaderEndOfFile: |
| 2227 | process->AppendSTDOUT ("^D", 2); |
| 2228 | break; |
| 2229 | |
Caroline Tice | 861efb3 | 2010-11-16 05:07:41 +0000 | [diff] [blame] | 2230 | case eInputReaderDone: |
| 2231 | break; |
| 2232 | |
| 2233 | } |
| 2234 | |
| 2235 | return bytes_len; |
| 2236 | } |
| 2237 | |
| 2238 | void |
| 2239 | Process::ResetProcessInputReader () |
| 2240 | { |
| 2241 | m_process_input_reader.reset(); |
| 2242 | } |
| 2243 | |
| 2244 | void |
| 2245 | Process::SetUpProcessInputReader (int file_descriptor) |
| 2246 | { |
| 2247 | // First set up the Read Thread for reading/handling process I/O |
| 2248 | |
| 2249 | std::auto_ptr<ConnectionFileDescriptor> conn_ap (new ConnectionFileDescriptor (file_descriptor, true)); |
| 2250 | |
| 2251 | if (conn_ap.get()) |
| 2252 | { |
| 2253 | m_stdio_communication.SetConnection (conn_ap.release()); |
| 2254 | if (m_stdio_communication.IsConnected()) |
| 2255 | { |
| 2256 | m_stdio_communication.SetReadThreadBytesReceivedCallback (STDIOReadThreadBytesReceived, this); |
| 2257 | m_stdio_communication.StartReadThread(); |
| 2258 | |
| 2259 | // Now read thread is set up, set up input reader. |
| 2260 | |
| 2261 | if (!m_process_input_reader.get()) |
| 2262 | { |
| 2263 | m_process_input_reader.reset (new InputReader(m_target.GetDebugger())); |
| 2264 | Error err (m_process_input_reader->Initialize (Process::ProcessInputReaderCallback, |
| 2265 | this, |
| 2266 | eInputReaderGranularityByte, |
| 2267 | NULL, |
| 2268 | NULL, |
| 2269 | false)); |
| 2270 | |
| 2271 | if (err.Fail()) |
| 2272 | m_process_input_reader.reset(); |
| 2273 | } |
| 2274 | } |
| 2275 | } |
| 2276 | } |
| 2277 | |
| 2278 | void |
| 2279 | Process::PushProcessInputReader () |
| 2280 | { |
| 2281 | if (m_process_input_reader && !m_process_input_reader->IsActive()) |
| 2282 | m_target.GetDebugger().PushInputReader (m_process_input_reader); |
| 2283 | } |
| 2284 | |
| 2285 | void |
| 2286 | Process::PopProcessInputReader () |
| 2287 | { |
| 2288 | if (m_process_input_reader && m_process_input_reader->IsActive()) |
| 2289 | m_target.GetDebugger().PopInputReader (m_process_input_reader); |
| 2290 | } |
| 2291 | |
Greg Clayton | 990de7b | 2010-11-18 23:32:35 +0000 | [diff] [blame] | 2292 | |
| 2293 | void |
| 2294 | Process::Initialize () |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2295 | { |
Greg Clayton | 990de7b | 2010-11-18 23:32:35 +0000 | [diff] [blame] | 2296 | UserSettingsControllerSP &usc = GetSettingsController(); |
| 2297 | usc.reset (new SettingsController); |
| 2298 | UserSettingsController::InitializeSettingsController (usc, |
| 2299 | SettingsController::global_settings_table, |
| 2300 | SettingsController::instance_settings_table); |
| 2301 | } |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2302 | |
Greg Clayton | 990de7b | 2010-11-18 23:32:35 +0000 | [diff] [blame] | 2303 | void |
| 2304 | Process::Terminate () |
| 2305 | { |
| 2306 | UserSettingsControllerSP &usc = GetSettingsController(); |
| 2307 | UserSettingsController::FinalizeSettingsController (usc); |
| 2308 | usc.reset(); |
| 2309 | } |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2310 | |
Greg Clayton | 990de7b | 2010-11-18 23:32:35 +0000 | [diff] [blame] | 2311 | UserSettingsControllerSP & |
| 2312 | Process::GetSettingsController () |
| 2313 | { |
| 2314 | static UserSettingsControllerSP g_settings_controller; |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2315 | return g_settings_controller; |
| 2316 | } |
| 2317 | |
Caroline Tice | 1ebef44 | 2010-09-27 00:30:10 +0000 | [diff] [blame] | 2318 | void |
| 2319 | Process::UpdateInstanceName () |
| 2320 | { |
| 2321 | ModuleSP module_sp = GetTarget().GetExecutableModule(); |
| 2322 | if (module_sp) |
| 2323 | { |
| 2324 | StreamString sstr; |
| 2325 | sstr.Printf ("%s", module_sp->GetFileSpec().GetFilename().AsCString()); |
| 2326 | |
Greg Clayton | c0c1b0c | 2010-11-19 03:46:01 +0000 | [diff] [blame] | 2327 | GetSettingsController()->RenameInstanceSettings (GetInstanceName().AsCString(), |
Caroline Tice | 1ebef44 | 2010-09-27 00:30:10 +0000 | [diff] [blame] | 2328 | sstr.GetData()); |
| 2329 | } |
| 2330 | } |
| 2331 | |
Jim Ingham | 360f53f | 2010-11-30 02:22:11 +0000 | [diff] [blame] | 2332 | Process::ExecutionResults |
| 2333 | Process::RunThreadPlan (ExecutionContext &exe_ctx, |
| 2334 | lldb::ThreadPlanSP &thread_plan_sp, |
| 2335 | bool stop_others, |
| 2336 | bool try_all_threads, |
| 2337 | bool discard_on_error, |
| 2338 | uint32_t single_thread_timeout_usec, |
| 2339 | Stream &errors) |
| 2340 | { |
| 2341 | ExecutionResults return_value = eExecutionSetupError; |
| 2342 | |
| 2343 | // Save this value for restoration of the execution context after we run |
| 2344 | uint32_t tid = exe_ctx.thread->GetIndexID(); |
| 2345 | |
| 2346 | // N.B. Running the target may unset the currently selected thread and frame. We don't want to do that either, |
| 2347 | // so we should arrange to reset them as well. |
| 2348 | |
| 2349 | lldb::ThreadSP selected_thread_sp = exe_ctx.process->GetThreadList().GetSelectedThread(); |
| 2350 | lldb::StackFrameSP selected_frame_sp; |
| 2351 | |
| 2352 | uint32_t selected_tid; |
| 2353 | if (selected_thread_sp != NULL) |
| 2354 | { |
| 2355 | selected_tid = selected_thread_sp->GetIndexID(); |
| 2356 | selected_frame_sp = selected_thread_sp->GetSelectedFrame(); |
| 2357 | } |
| 2358 | else |
| 2359 | { |
| 2360 | selected_tid = LLDB_INVALID_THREAD_ID; |
| 2361 | } |
| 2362 | |
| 2363 | exe_ctx.thread->QueueThreadPlan(thread_plan_sp, true); |
| 2364 | |
| 2365 | Listener listener("ClangFunction temporary listener"); |
| 2366 | exe_ctx.process->HijackProcessEvents(&listener); |
| 2367 | |
| 2368 | Error resume_error = exe_ctx.process->Resume (); |
| 2369 | if (!resume_error.Success()) |
| 2370 | { |
| 2371 | errors.Printf("Error resuming inferior: \"%s\".\n", resume_error.AsCString()); |
| 2372 | exe_ctx.process->RestoreProcessEvents(); |
| 2373 | return Process::eExecutionSetupError; |
| 2374 | } |
| 2375 | |
| 2376 | // We need to call the function synchronously, so spin waiting for it to return. |
| 2377 | // If we get interrupted while executing, we're going to lose our context, and |
| 2378 | // won't be able to gather the result at this point. |
| 2379 | // We set the timeout AFTER the resume, since the resume takes some time and we |
| 2380 | // don't want to charge that to the timeout. |
| 2381 | |
| 2382 | TimeValue* timeout_ptr = NULL; |
| 2383 | TimeValue real_timeout; |
| 2384 | |
| 2385 | if (single_thread_timeout_usec != 0) |
| 2386 | { |
| 2387 | real_timeout = TimeValue::Now(); |
| 2388 | real_timeout.OffsetWithMicroSeconds(single_thread_timeout_usec); |
| 2389 | timeout_ptr = &real_timeout; |
| 2390 | } |
| 2391 | |
| 2392 | lldb::LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| 2393 | while (1) |
| 2394 | { |
| 2395 | lldb::EventSP event_sp; |
| 2396 | lldb::StateType stop_state = lldb::eStateInvalid; |
| 2397 | // Now wait for the process to stop again: |
| 2398 | bool got_event = listener.WaitForEvent (timeout_ptr, event_sp); |
| 2399 | |
| 2400 | if (!got_event) |
| 2401 | { |
| 2402 | // Right now this is the only way to tell we've timed out... |
| 2403 | // We should interrupt the process here... |
| 2404 | // Not really sure what to do if Halt fails here... |
| 2405 | if (log) |
| 2406 | if (try_all_threads) |
| 2407 | log->Printf ("Running function with timeout: %d timed out, trying with all threads enabled.", |
| 2408 | single_thread_timeout_usec); |
| 2409 | else |
| 2410 | log->Printf ("Running function with timeout: %d timed out, abandoning execution.", |
| 2411 | single_thread_timeout_usec); |
| 2412 | |
| 2413 | if (exe_ctx.process->Halt().Success()) |
| 2414 | { |
| 2415 | timeout_ptr = NULL; |
| 2416 | if (log) |
| 2417 | log->Printf ("Halt succeeded."); |
| 2418 | |
| 2419 | // Between the time that we got the timeout and the time we halted, but target |
| 2420 | // might have actually completed the plan. If so, we're done. Note, I call WFE here with a short |
| 2421 | // timeout to |
| 2422 | got_event = listener.WaitForEvent(NULL, event_sp); |
| 2423 | |
| 2424 | if (got_event) |
| 2425 | { |
| 2426 | stop_state = Process::ProcessEventData::GetStateFromEvent(event_sp.get()); |
| 2427 | if (log) |
| 2428 | { |
| 2429 | log->Printf ("Stopped with event: %s", StateAsCString(stop_state)); |
| 2430 | if (stop_state == lldb::eStateStopped && Process::ProcessEventData::GetInterruptedFromEvent(event_sp.get())) |
| 2431 | log->Printf (" Event was the Halt interruption event."); |
| 2432 | } |
| 2433 | |
| 2434 | if (exe_ctx.thread->IsThreadPlanDone (thread_plan_sp.get())) |
| 2435 | { |
| 2436 | if (log) |
| 2437 | log->Printf ("Even though we timed out, the call plan was done. Exiting wait loop."); |
| 2438 | return_value = Process::eExecutionCompleted; |
| 2439 | break; |
| 2440 | } |
| 2441 | |
| 2442 | if (try_all_threads |
| 2443 | && (stop_state == lldb::eStateStopped && Process::ProcessEventData::GetInterruptedFromEvent (event_sp.get()))) |
| 2444 | { |
| 2445 | |
| 2446 | thread_plan_sp->SetStopOthers (false); |
| 2447 | if (log) |
| 2448 | log->Printf ("About to resume."); |
| 2449 | |
| 2450 | exe_ctx.process->Resume(); |
| 2451 | continue; |
| 2452 | } |
| 2453 | else |
| 2454 | { |
| 2455 | exe_ctx.process->RestoreProcessEvents (); |
| 2456 | return Process::eExecutionInterrupted; |
| 2457 | } |
| 2458 | } |
| 2459 | } |
| 2460 | } |
| 2461 | |
| 2462 | stop_state = Process::ProcessEventData::GetStateFromEvent(event_sp.get()); |
| 2463 | if (log) |
| 2464 | log->Printf("Got event: %s.", StateAsCString(stop_state)); |
| 2465 | |
| 2466 | if (stop_state == lldb::eStateRunning || stop_state == lldb::eStateStepping) |
| 2467 | continue; |
| 2468 | |
| 2469 | if (exe_ctx.thread->IsThreadPlanDone (thread_plan_sp.get())) |
| 2470 | { |
| 2471 | return_value = Process::eExecutionCompleted; |
| 2472 | break; |
| 2473 | } |
| 2474 | else if (exe_ctx.thread->WasThreadPlanDiscarded (thread_plan_sp.get())) |
| 2475 | { |
| 2476 | return_value = Process::eExecutionDiscarded; |
| 2477 | break; |
| 2478 | } |
| 2479 | else |
| 2480 | { |
| 2481 | if (log) |
| 2482 | { |
| 2483 | StreamString s; |
| 2484 | event_sp->Dump (&s); |
| 2485 | StreamString ts; |
| 2486 | |
| 2487 | const char *event_explanation; |
| 2488 | |
| 2489 | do |
| 2490 | { |
| 2491 | const Process::ProcessEventData *event_data = Process::ProcessEventData::GetEventDataFromEvent (event_sp.get()); |
| 2492 | |
| 2493 | if (!event_data) |
| 2494 | { |
| 2495 | event_explanation = "<no event data>"; |
| 2496 | break; |
| 2497 | } |
| 2498 | |
| 2499 | Process *process = event_data->GetProcessSP().get(); |
| 2500 | |
| 2501 | if (!process) |
| 2502 | { |
| 2503 | event_explanation = "<no process>"; |
| 2504 | break; |
| 2505 | } |
| 2506 | |
| 2507 | ThreadList &thread_list = process->GetThreadList(); |
| 2508 | |
| 2509 | uint32_t num_threads = thread_list.GetSize(); |
| 2510 | uint32_t thread_index; |
| 2511 | |
| 2512 | ts.Printf("<%u threads> ", num_threads); |
| 2513 | |
| 2514 | for (thread_index = 0; |
| 2515 | thread_index < num_threads; |
| 2516 | ++thread_index) |
| 2517 | { |
| 2518 | Thread *thread = thread_list.GetThreadAtIndex(thread_index).get(); |
| 2519 | |
| 2520 | if (!thread) |
| 2521 | { |
| 2522 | ts.Printf("<?> "); |
| 2523 | continue; |
| 2524 | } |
| 2525 | |
| 2526 | ts.Printf("<"); |
| 2527 | RegisterContext *register_context = thread->GetRegisterContext(); |
| 2528 | |
| 2529 | if (register_context) |
| 2530 | ts.Printf("[ip 0x%llx] ", register_context->GetPC()); |
| 2531 | else |
| 2532 | ts.Printf("[ip unknown] "); |
| 2533 | |
| 2534 | lldb::StopInfoSP stop_info_sp = thread->GetStopInfo(); |
| 2535 | if (stop_info_sp) |
| 2536 | { |
| 2537 | const char *stop_desc = stop_info_sp->GetDescription(); |
| 2538 | if (stop_desc) |
| 2539 | ts.PutCString (stop_desc); |
| 2540 | } |
| 2541 | ts.Printf(">"); |
| 2542 | } |
| 2543 | |
| 2544 | event_explanation = ts.GetData(); |
| 2545 | } while (0); |
| 2546 | |
| 2547 | if (log) |
| 2548 | log->Printf("Execution interrupted: %s %s", s.GetData(), event_explanation); |
| 2549 | } |
| 2550 | |
| 2551 | if (discard_on_error && thread_plan_sp) |
| 2552 | { |
| 2553 | exe_ctx.thread->DiscardThreadPlansUpToPlan (thread_plan_sp); |
| 2554 | } |
| 2555 | return_value = Process::eExecutionInterrupted; |
| 2556 | break; |
| 2557 | } |
| 2558 | } |
| 2559 | |
| 2560 | if (exe_ctx.process) |
| 2561 | exe_ctx.process->RestoreProcessEvents (); |
| 2562 | |
| 2563 | // Thread we ran the function in may have gone away because we ran the target |
| 2564 | // Check that it's still there. |
| 2565 | exe_ctx.thread = exe_ctx.process->GetThreadList().FindThreadByIndexID(tid, true).get(); |
| 2566 | if (exe_ctx.thread) |
| 2567 | exe_ctx.frame = exe_ctx.thread->GetStackFrameAtIndex(0).get(); |
| 2568 | |
| 2569 | // Also restore the current process'es selected frame & thread, since this function calling may |
| 2570 | // be done behind the user's back. |
| 2571 | |
| 2572 | if (selected_tid != LLDB_INVALID_THREAD_ID) |
| 2573 | { |
| 2574 | if (exe_ctx.process->GetThreadList().SetSelectedThreadByIndexID (selected_tid)) |
| 2575 | { |
| 2576 | // We were able to restore the selected thread, now restore the frame: |
| 2577 | exe_ctx.process->GetThreadList().GetSelectedThread()->SetSelectedFrame(selected_frame_sp.get()); |
| 2578 | } |
| 2579 | } |
| 2580 | |
| 2581 | return return_value; |
| 2582 | } |
| 2583 | |
| 2584 | const char * |
| 2585 | Process::ExecutionResultAsCString (ExecutionResults result) |
| 2586 | { |
| 2587 | const char *result_name; |
| 2588 | |
| 2589 | switch (result) |
| 2590 | { |
| 2591 | case Process::eExecutionCompleted: |
| 2592 | result_name = "eExecutionCompleted"; |
| 2593 | break; |
| 2594 | case Process::eExecutionDiscarded: |
| 2595 | result_name = "eExecutionDiscarded"; |
| 2596 | break; |
| 2597 | case Process::eExecutionInterrupted: |
| 2598 | result_name = "eExecutionInterrupted"; |
| 2599 | break; |
| 2600 | case Process::eExecutionSetupError: |
| 2601 | result_name = "eExecutionSetupError"; |
| 2602 | break; |
| 2603 | case Process::eExecutionTimedOut: |
| 2604 | result_name = "eExecutionTimedOut"; |
| 2605 | break; |
| 2606 | } |
| 2607 | return result_name; |
| 2608 | } |
| 2609 | |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2610 | //-------------------------------------------------------------- |
Greg Clayton | d0a5a23 | 2010-09-19 02:33:57 +0000 | [diff] [blame] | 2611 | // class Process::SettingsController |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2612 | //-------------------------------------------------------------- |
| 2613 | |
Greg Clayton | d0a5a23 | 2010-09-19 02:33:57 +0000 | [diff] [blame] | 2614 | Process::SettingsController::SettingsController () : |
Caroline Tice | 5bc8c97 | 2010-09-20 20:44:43 +0000 | [diff] [blame] | 2615 | UserSettingsController ("process", Target::GetSettingsController()) |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2616 | { |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 2617 | m_default_settings.reset (new ProcessInstanceSettings (*this, |
| 2618 | false, |
Caroline Tice | 004afcb | 2010-09-08 17:48:55 +0000 | [diff] [blame] | 2619 | InstanceSettings::GetDefaultName().AsCString())); |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2620 | } |
| 2621 | |
Greg Clayton | d0a5a23 | 2010-09-19 02:33:57 +0000 | [diff] [blame] | 2622 | Process::SettingsController::~SettingsController () |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2623 | { |
| 2624 | } |
| 2625 | |
| 2626 | lldb::InstanceSettingsSP |
Greg Clayton | d0a5a23 | 2010-09-19 02:33:57 +0000 | [diff] [blame] | 2627 | Process::SettingsController::CreateInstanceSettings (const char *instance_name) |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2628 | { |
Greg Clayton | c0c1b0c | 2010-11-19 03:46:01 +0000 | [diff] [blame] | 2629 | ProcessInstanceSettings *new_settings = new ProcessInstanceSettings (*GetSettingsController(), |
| 2630 | false, |
| 2631 | instance_name); |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2632 | lldb::InstanceSettingsSP new_settings_sp (new_settings); |
| 2633 | return new_settings_sp; |
| 2634 | } |
| 2635 | |
| 2636 | //-------------------------------------------------------------- |
| 2637 | // class ProcessInstanceSettings |
| 2638 | //-------------------------------------------------------------- |
| 2639 | |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 2640 | ProcessInstanceSettings::ProcessInstanceSettings |
| 2641 | ( |
| 2642 | UserSettingsController &owner, |
| 2643 | bool live_instance, |
| 2644 | const char *name |
| 2645 | ) : |
| 2646 | InstanceSettings (owner, name ? name : InstanceSettings::InvalidName().AsCString(), live_instance), |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2647 | m_run_args (), |
| 2648 | m_env_vars (), |
| 2649 | m_input_path (), |
| 2650 | m_output_path (), |
| 2651 | m_error_path (), |
| 2652 | m_plugin (), |
Caroline Tice | bd66601 | 2010-12-03 18:46:09 +0000 | [diff] [blame] | 2653 | m_disable_aslr (true), |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 2654 | m_disable_stdio (false), |
| 2655 | m_inherit_host_env (true), |
| 2656 | m_got_host_env (false) |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2657 | { |
Caroline Tice | 396704b | 2010-09-09 18:26:37 +0000 | [diff] [blame] | 2658 | // CopyInstanceSettings is a pure virtual function in InstanceSettings; it therefore cannot be called |
| 2659 | // until the vtables for ProcessInstanceSettings are properly set up, i.e. AFTER all the initializers. |
| 2660 | // For this reason it has to be called here, rather than in the initializer or in the parent constructor. |
Caroline Tice | 75b11a3 | 2010-09-16 19:05:55 +0000 | [diff] [blame] | 2661 | // This is true for CreateInstanceName() too. |
| 2662 | |
| 2663 | if (GetInstanceName () == InstanceSettings::InvalidName()) |
| 2664 | { |
| 2665 | ChangeInstanceName (std::string (CreateInstanceName().AsCString())); |
| 2666 | m_owner.RegisterInstanceSettings (this); |
| 2667 | } |
Caroline Tice | 396704b | 2010-09-09 18:26:37 +0000 | [diff] [blame] | 2668 | |
| 2669 | if (live_instance) |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2670 | { |
| 2671 | const lldb::InstanceSettingsSP &pending_settings = m_owner.FindPendingSettings (m_instance_name); |
| 2672 | CopyInstanceSettings (pending_settings,false); |
Caroline Tice | 396704b | 2010-09-09 18:26:37 +0000 | [diff] [blame] | 2673 | //m_owner.RemovePendingSettings (m_instance_name); |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2674 | } |
| 2675 | } |
| 2676 | |
| 2677 | ProcessInstanceSettings::ProcessInstanceSettings (const ProcessInstanceSettings &rhs) : |
Greg Clayton | c0c1b0c | 2010-11-19 03:46:01 +0000 | [diff] [blame] | 2678 | InstanceSettings (*Process::GetSettingsController(), CreateInstanceName().AsCString()), |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2679 | m_run_args (rhs.m_run_args), |
| 2680 | m_env_vars (rhs.m_env_vars), |
| 2681 | m_input_path (rhs.m_input_path), |
| 2682 | m_output_path (rhs.m_output_path), |
| 2683 | m_error_path (rhs.m_error_path), |
| 2684 | m_plugin (rhs.m_plugin), |
Caroline Tice | bd66601 | 2010-12-03 18:46:09 +0000 | [diff] [blame] | 2685 | m_disable_aslr (rhs.m_disable_aslr), |
| 2686 | m_disable_stdio (rhs.m_disable_stdio) |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2687 | { |
| 2688 | if (m_instance_name != InstanceSettings::GetDefaultName()) |
| 2689 | { |
| 2690 | const lldb::InstanceSettingsSP &pending_settings = m_owner.FindPendingSettings (m_instance_name); |
| 2691 | CopyInstanceSettings (pending_settings,false); |
| 2692 | m_owner.RemovePendingSettings (m_instance_name); |
| 2693 | } |
| 2694 | } |
| 2695 | |
| 2696 | ProcessInstanceSettings::~ProcessInstanceSettings () |
| 2697 | { |
| 2698 | } |
| 2699 | |
| 2700 | ProcessInstanceSettings& |
| 2701 | ProcessInstanceSettings::operator= (const ProcessInstanceSettings &rhs) |
| 2702 | { |
| 2703 | if (this != &rhs) |
| 2704 | { |
| 2705 | m_run_args = rhs.m_run_args; |
| 2706 | m_env_vars = rhs.m_env_vars; |
| 2707 | m_input_path = rhs.m_input_path; |
| 2708 | m_output_path = rhs.m_output_path; |
| 2709 | m_error_path = rhs.m_error_path; |
| 2710 | m_plugin = rhs.m_plugin; |
| 2711 | m_disable_aslr = rhs.m_disable_aslr; |
Caroline Tice | bd66601 | 2010-12-03 18:46:09 +0000 | [diff] [blame] | 2712 | m_disable_stdio = rhs.m_disable_stdio; |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 2713 | m_inherit_host_env = rhs.m_inherit_host_env; |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2714 | } |
| 2715 | |
| 2716 | return *this; |
| 2717 | } |
| 2718 | |
| 2719 | |
| 2720 | void |
| 2721 | ProcessInstanceSettings::UpdateInstanceSettingsVariable (const ConstString &var_name, |
| 2722 | const char *index_value, |
| 2723 | const char *value, |
| 2724 | const ConstString &instance_name, |
| 2725 | const SettingEntry &entry, |
| 2726 | lldb::VarSetOperationType op, |
| 2727 | Error &err, |
| 2728 | bool pending) |
| 2729 | { |
| 2730 | if (var_name == RunArgsVarName()) |
| 2731 | UserSettingsController::UpdateStringArrayVariable (op, index_value, m_run_args, value, err); |
| 2732 | else if (var_name == EnvVarsVarName()) |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 2733 | { |
| 2734 | GetHostEnvironmentIfNeeded (); |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2735 | UserSettingsController::UpdateDictionaryVariable (op, index_value, m_env_vars, value, err); |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 2736 | } |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2737 | else if (var_name == InputPathVarName()) |
| 2738 | UserSettingsController::UpdateStringVariable (op, m_input_path, value, err); |
| 2739 | else if (var_name == OutputPathVarName()) |
| 2740 | UserSettingsController::UpdateStringVariable (op, m_output_path, value, err); |
| 2741 | else if (var_name == ErrorPathVarName()) |
| 2742 | UserSettingsController::UpdateStringVariable (op, m_error_path, value, err); |
| 2743 | else if (var_name == PluginVarName()) |
| 2744 | UserSettingsController::UpdateEnumVariable (entry.enum_values, (int *) &m_plugin, value, err); |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 2745 | else if (var_name == InheritHostEnvVarName()) |
| 2746 | UserSettingsController::UpdateBooleanVariable (op, m_inherit_host_env, value, err); |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2747 | else if (var_name == DisableASLRVarName()) |
| 2748 | UserSettingsController::UpdateBooleanVariable (op, m_disable_aslr, value, err); |
Caroline Tice | bd66601 | 2010-12-03 18:46:09 +0000 | [diff] [blame] | 2749 | else if (var_name == DisableSTDIOVarName ()) |
| 2750 | UserSettingsController::UpdateBooleanVariable (op, m_disable_stdio, value, err); |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2751 | } |
| 2752 | |
| 2753 | void |
| 2754 | ProcessInstanceSettings::CopyInstanceSettings (const lldb::InstanceSettingsSP &new_settings, |
| 2755 | bool pending) |
| 2756 | { |
| 2757 | if (new_settings.get() == NULL) |
| 2758 | return; |
| 2759 | |
| 2760 | ProcessInstanceSettings *new_process_settings = (ProcessInstanceSettings *) new_settings.get(); |
| 2761 | |
| 2762 | m_run_args = new_process_settings->m_run_args; |
| 2763 | m_env_vars = new_process_settings->m_env_vars; |
| 2764 | m_input_path = new_process_settings->m_input_path; |
| 2765 | m_output_path = new_process_settings->m_output_path; |
| 2766 | m_error_path = new_process_settings->m_error_path; |
| 2767 | m_plugin = new_process_settings->m_plugin; |
| 2768 | m_disable_aslr = new_process_settings->m_disable_aslr; |
Caroline Tice | bd66601 | 2010-12-03 18:46:09 +0000 | [diff] [blame] | 2769 | m_disable_stdio = new_process_settings->m_disable_stdio; |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2770 | } |
| 2771 | |
Caroline Tice | bcb5b45 | 2010-09-20 21:37:42 +0000 | [diff] [blame] | 2772 | bool |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2773 | ProcessInstanceSettings::GetInstanceSettingsValue (const SettingEntry &entry, |
| 2774 | const ConstString &var_name, |
Caroline Tice | 5bc8c97 | 2010-09-20 20:44:43 +0000 | [diff] [blame] | 2775 | StringList &value, |
Caroline Tice | bcb5b45 | 2010-09-20 21:37:42 +0000 | [diff] [blame] | 2776 | Error *err) |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2777 | { |
| 2778 | if (var_name == RunArgsVarName()) |
| 2779 | { |
| 2780 | if (m_run_args.GetArgumentCount() > 0) |
Greg Clayton | c14069e | 2010-09-14 03:47:41 +0000 | [diff] [blame] | 2781 | { |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2782 | for (int i = 0; i < m_run_args.GetArgumentCount(); ++i) |
| 2783 | value.AppendString (m_run_args.GetArgumentAtIndex (i)); |
Greg Clayton | c14069e | 2010-09-14 03:47:41 +0000 | [diff] [blame] | 2784 | } |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2785 | } |
| 2786 | else if (var_name == EnvVarsVarName()) |
| 2787 | { |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 2788 | GetHostEnvironmentIfNeeded (); |
| 2789 | |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2790 | if (m_env_vars.size() > 0) |
| 2791 | { |
| 2792 | std::map<std::string, std::string>::iterator pos; |
| 2793 | for (pos = m_env_vars.begin(); pos != m_env_vars.end(); ++pos) |
| 2794 | { |
| 2795 | StreamString value_str; |
| 2796 | value_str.Printf ("%s=%s", pos->first.c_str(), pos->second.c_str()); |
| 2797 | value.AppendString (value_str.GetData()); |
| 2798 | } |
| 2799 | } |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2800 | } |
| 2801 | else if (var_name == InputPathVarName()) |
| 2802 | { |
| 2803 | value.AppendString (m_input_path.c_str()); |
| 2804 | } |
| 2805 | else if (var_name == OutputPathVarName()) |
| 2806 | { |
| 2807 | value.AppendString (m_output_path.c_str()); |
| 2808 | } |
| 2809 | else if (var_name == ErrorPathVarName()) |
| 2810 | { |
| 2811 | value.AppendString (m_error_path.c_str()); |
| 2812 | } |
| 2813 | else if (var_name == PluginVarName()) |
| 2814 | { |
| 2815 | value.AppendString (UserSettingsController::EnumToString (entry.enum_values, (int) m_plugin)); |
| 2816 | } |
Greg Clayton | a99b0bf | 2010-12-04 00:12:24 +0000 | [diff] [blame^] | 2817 | else if (var_name == InheritHostEnvVarName()) |
| 2818 | { |
| 2819 | if (m_inherit_host_env) |
| 2820 | value.AppendString ("true"); |
| 2821 | else |
| 2822 | value.AppendString ("false"); |
| 2823 | } |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2824 | else if (var_name == DisableASLRVarName()) |
| 2825 | { |
| 2826 | if (m_disable_aslr) |
| 2827 | value.AppendString ("true"); |
| 2828 | else |
| 2829 | value.AppendString ("false"); |
| 2830 | } |
Caroline Tice | bd66601 | 2010-12-03 18:46:09 +0000 | [diff] [blame] | 2831 | else if (var_name == DisableSTDIOVarName()) |
| 2832 | { |
| 2833 | if (m_disable_stdio) |
| 2834 | value.AppendString ("true"); |
| 2835 | else |
| 2836 | value.AppendString ("false"); |
| 2837 | } |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2838 | else |
Caroline Tice | bcb5b45 | 2010-09-20 21:37:42 +0000 | [diff] [blame] | 2839 | { |
| 2840 | if (err) |
| 2841 | err->SetErrorStringWithFormat ("unrecognized variable name '%s'", var_name.AsCString()); |
| 2842 | return false; |
| 2843 | } |
| 2844 | return true; |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2845 | } |
| 2846 | |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2847 | const ConstString |
| 2848 | ProcessInstanceSettings::CreateInstanceName () |
| 2849 | { |
| 2850 | static int instance_count = 1; |
| 2851 | StreamString sstr; |
| 2852 | |
| 2853 | sstr.Printf ("process_%d", instance_count); |
| 2854 | ++instance_count; |
| 2855 | |
| 2856 | const ConstString ret_val (sstr.GetData()); |
| 2857 | return ret_val; |
| 2858 | } |
| 2859 | |
| 2860 | const ConstString & |
| 2861 | ProcessInstanceSettings::RunArgsVarName () |
| 2862 | { |
| 2863 | static ConstString run_args_var_name ("run-args"); |
| 2864 | |
| 2865 | return run_args_var_name; |
| 2866 | } |
| 2867 | |
| 2868 | const ConstString & |
| 2869 | ProcessInstanceSettings::EnvVarsVarName () |
| 2870 | { |
| 2871 | static ConstString env_vars_var_name ("env-vars"); |
| 2872 | |
| 2873 | return env_vars_var_name; |
| 2874 | } |
| 2875 | |
| 2876 | const ConstString & |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 2877 | ProcessInstanceSettings::InheritHostEnvVarName () |
| 2878 | { |
| 2879 | static ConstString g_name ("inherit-env"); |
| 2880 | |
| 2881 | return g_name; |
| 2882 | } |
| 2883 | |
| 2884 | const ConstString & |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2885 | ProcessInstanceSettings::InputPathVarName () |
| 2886 | { |
| 2887 | static ConstString input_path_var_name ("input-path"); |
| 2888 | |
| 2889 | return input_path_var_name; |
| 2890 | } |
| 2891 | |
| 2892 | const ConstString & |
| 2893 | ProcessInstanceSettings::OutputPathVarName () |
| 2894 | { |
Caroline Tice | 8709723 | 2010-09-07 18:35:40 +0000 | [diff] [blame] | 2895 | static ConstString output_path_var_name ("output-path"); |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2896 | |
| 2897 | return output_path_var_name; |
| 2898 | } |
| 2899 | |
| 2900 | const ConstString & |
| 2901 | ProcessInstanceSettings::ErrorPathVarName () |
| 2902 | { |
Caroline Tice | 8709723 | 2010-09-07 18:35:40 +0000 | [diff] [blame] | 2903 | static ConstString error_path_var_name ("error-path"); |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2904 | |
| 2905 | return error_path_var_name; |
| 2906 | } |
| 2907 | |
| 2908 | const ConstString & |
| 2909 | ProcessInstanceSettings::PluginVarName () |
| 2910 | { |
| 2911 | static ConstString plugin_var_name ("plugin"); |
| 2912 | |
| 2913 | return plugin_var_name; |
| 2914 | } |
| 2915 | |
| 2916 | |
| 2917 | const ConstString & |
| 2918 | ProcessInstanceSettings::DisableASLRVarName () |
| 2919 | { |
| 2920 | static ConstString disable_aslr_var_name ("disable-aslr"); |
| 2921 | |
| 2922 | return disable_aslr_var_name; |
| 2923 | } |
| 2924 | |
Caroline Tice | bd66601 | 2010-12-03 18:46:09 +0000 | [diff] [blame] | 2925 | const ConstString & |
| 2926 | ProcessInstanceSettings::DisableSTDIOVarName () |
| 2927 | { |
| 2928 | static ConstString disable_stdio_var_name ("disable-stdio"); |
| 2929 | |
| 2930 | return disable_stdio_var_name; |
| 2931 | } |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2932 | |
| 2933 | //-------------------------------------------------- |
Greg Clayton | d0a5a23 | 2010-09-19 02:33:57 +0000 | [diff] [blame] | 2934 | // SettingsController Variable Tables |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2935 | //-------------------------------------------------- |
| 2936 | |
| 2937 | SettingEntry |
Greg Clayton | d0a5a23 | 2010-09-19 02:33:57 +0000 | [diff] [blame] | 2938 | Process::SettingsController::global_settings_table[] = |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2939 | { |
| 2940 | //{ "var-name", var-type , "default", enum-table, init'd, hidden, "help-text"}, |
| 2941 | { NULL, eSetVarTypeNone, NULL, NULL, 0, 0, NULL } |
| 2942 | }; |
| 2943 | |
| 2944 | |
| 2945 | lldb::OptionEnumValueElement |
Greg Clayton | d0a5a23 | 2010-09-19 02:33:57 +0000 | [diff] [blame] | 2946 | Process::SettingsController::g_plugins[] = |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2947 | { |
Caroline Tice | f2c330d | 2010-09-09 18:01:59 +0000 | [diff] [blame] | 2948 | { eMacosx, "process.macosx", "Use the native MacOSX debugger plugin" }, |
| 2949 | { eRemoteDebugger, "process.gdb-remote" , "Use the GDB Remote protocol based debugger plugin" }, |
| 2950 | { 0, NULL, NULL } |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2951 | }; |
| 2952 | |
| 2953 | SettingEntry |
Greg Clayton | d0a5a23 | 2010-09-19 02:33:57 +0000 | [diff] [blame] | 2954 | Process::SettingsController::instance_settings_table[] = |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2955 | { |
Greg Clayton | 638351a | 2010-12-04 00:10:17 +0000 | [diff] [blame] | 2956 | //{ "var-name", var-type, "default", enum-table, init'd, hidden, "help-text"}, |
| 2957 | { "run-args", eSetVarTypeArray, NULL, NULL, false, false, "A list containing all the arguments to be passed to the executable when it is run." }, |
| 2958 | { "env-vars", eSetVarTypeDictionary, NULL, NULL, false, false, "A list of all the environment variables to be passed to the executable's environment, and their values." }, |
| 2959 | { "inherit-env", eSetVarTypeBoolean, "true", NULL, false, false, "Inherit the environment from the process that is running LLDB." }, |
| 2960 | { "input-path", eSetVarTypeString, "/dev/stdin", NULL, false, false, "The file/path to be used by the executable program for reading its input." }, |
| 2961 | { "output-path", eSetVarTypeString, "/dev/stdout", NULL, false, false, "The file/path to be used by the executable program for writing its output." }, |
| 2962 | { "error-path", eSetVarTypeString, "/dev/stderr", NULL, false, false, "The file/path to be used by the executable program for writings its error messages." }, |
| 2963 | { "plugin", eSetVarTypeEnum, NULL , g_plugins, false, false, "The plugin to be used to run the process." }, |
| 2964 | { "disable-aslr", eSetVarTypeBoolean, "true", NULL, false, false, "Disable Address Space Layout Randomization (ASLR)" }, |
| 2965 | { "disable-stdio", eSetVarTypeBoolean, "false", NULL, false, false, "Disable stdin/stdout for process (e.g. for a GUI application)" }, |
| 2966 | { NULL, eSetVarTypeNone, NULL, NULL, false, false, NULL } |
Caroline Tice | 6e4c5ce | 2010-09-04 00:03:46 +0000 | [diff] [blame] | 2967 | }; |
| 2968 | |
| 2969 | |
Jim Ingham | 7508e73 | 2010-08-09 23:31:02 +0000 | [diff] [blame] | 2970 | |