| File: | build/source/lldb/source/Commands/CommandObjectThread.cpp |
| Warning: | line 1027, column 20 Value stored to 'start_idx_ptr' during its initialization is never read |
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| 1 | //===-- CommandObjectThread.cpp -------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "CommandObjectThread.h" |
| 10 | |
| 11 | #include <memory> |
| 12 | #include <optional> |
| 13 | #include <sstream> |
| 14 | |
| 15 | #include "CommandObjectThreadUtil.h" |
| 16 | #include "CommandObjectTrace.h" |
| 17 | #include "lldb/Core/PluginManager.h" |
| 18 | #include "lldb/Core/ValueObject.h" |
| 19 | #include "lldb/Host/OptionParser.h" |
| 20 | #include "lldb/Interpreter/CommandInterpreter.h" |
| 21 | #include "lldb/Interpreter/CommandOptionArgumentTable.h" |
| 22 | #include "lldb/Interpreter/CommandReturnObject.h" |
| 23 | #include "lldb/Interpreter/OptionArgParser.h" |
| 24 | #include "lldb/Interpreter/OptionGroupPythonClassWithDict.h" |
| 25 | #include "lldb/Interpreter/Options.h" |
| 26 | #include "lldb/Symbol/CompileUnit.h" |
| 27 | #include "lldb/Symbol/Function.h" |
| 28 | #include "lldb/Symbol/LineEntry.h" |
| 29 | #include "lldb/Symbol/LineTable.h" |
| 30 | #include "lldb/Target/Process.h" |
| 31 | #include "lldb/Target/RegisterContext.h" |
| 32 | #include "lldb/Target/SystemRuntime.h" |
| 33 | #include "lldb/Target/Target.h" |
| 34 | #include "lldb/Target/Thread.h" |
| 35 | #include "lldb/Target/ThreadPlan.h" |
| 36 | #include "lldb/Target/ThreadPlanStepInRange.h" |
| 37 | #include "lldb/Target/Trace.h" |
| 38 | #include "lldb/Target/TraceDumper.h" |
| 39 | #include "lldb/Utility/State.h" |
| 40 | |
| 41 | using namespace lldb; |
| 42 | using namespace lldb_private; |
| 43 | |
| 44 | // CommandObjectThreadBacktrace |
| 45 | #define LLDB_OPTIONS_thread_backtrace |
| 46 | #include "CommandOptions.inc" |
| 47 | |
| 48 | class CommandObjectThreadBacktrace : public CommandObjectIterateOverThreads { |
| 49 | public: |
| 50 | class CommandOptions : public Options { |
| 51 | public: |
| 52 | CommandOptions() { |
| 53 | // Keep default values of all options in one place: OptionParsingStarting |
| 54 | // () |
| 55 | OptionParsingStarting(nullptr); |
| 56 | } |
| 57 | |
| 58 | ~CommandOptions() override = default; |
| 59 | |
| 60 | Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, |
| 61 | ExecutionContext *execution_context) override { |
| 62 | Status error; |
| 63 | const int short_option = m_getopt_table[option_idx].val; |
| 64 | |
| 65 | switch (short_option) { |
| 66 | case 'c': |
| 67 | if (option_arg.getAsInteger(0, m_count)) { |
| 68 | m_count = UINT32_MAX(4294967295U); |
| 69 | error.SetErrorStringWithFormat( |
| 70 | "invalid integer value for option '%c'", short_option); |
| 71 | } |
| 72 | break; |
| 73 | case 's': |
| 74 | if (option_arg.getAsInteger(0, m_start)) |
| 75 | error.SetErrorStringWithFormat( |
| 76 | "invalid integer value for option '%c'", short_option); |
| 77 | break; |
| 78 | case 'e': { |
| 79 | bool success; |
| 80 | m_extended_backtrace = |
| 81 | OptionArgParser::ToBoolean(option_arg, false, &success); |
| 82 | if (!success) |
| 83 | error.SetErrorStringWithFormat( |
| 84 | "invalid boolean value for option '%c'", short_option); |
| 85 | } break; |
| 86 | default: |
| 87 | llvm_unreachable("Unimplemented option")::llvm::llvm_unreachable_internal("Unimplemented option", "lldb/source/Commands/CommandObjectThread.cpp" , 87); |
| 88 | } |
| 89 | return error; |
| 90 | } |
| 91 | |
| 92 | void OptionParsingStarting(ExecutionContext *execution_context) override { |
| 93 | m_count = UINT32_MAX(4294967295U); |
| 94 | m_start = 0; |
| 95 | m_extended_backtrace = false; |
| 96 | } |
| 97 | |
| 98 | llvm::ArrayRef<OptionDefinition> GetDefinitions() override { |
| 99 | return llvm::ArrayRef(g_thread_backtrace_options); |
| 100 | } |
| 101 | |
| 102 | // Instance variables to hold the values for command options. |
| 103 | uint32_t m_count; |
| 104 | uint32_t m_start; |
| 105 | bool m_extended_backtrace; |
| 106 | }; |
| 107 | |
| 108 | CommandObjectThreadBacktrace(CommandInterpreter &interpreter) |
| 109 | : CommandObjectIterateOverThreads( |
| 110 | interpreter, "thread backtrace", |
| 111 | "Show thread call stacks. Defaults to the current thread, thread " |
| 112 | "indexes can be specified as arguments.\n" |
| 113 | "Use the thread-index \"all\" to see all threads.\n" |
| 114 | "Use the thread-index \"unique\" to see threads grouped by unique " |
| 115 | "call stacks.\n" |
| 116 | "Use 'settings set frame-format' to customize the printing of " |
| 117 | "frames in the backtrace and 'settings set thread-format' to " |
| 118 | "customize the thread header.", |
| 119 | nullptr, |
| 120 | eCommandRequiresProcess | eCommandRequiresThread | |
| 121 | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched | |
| 122 | eCommandProcessMustBePaused) {} |
| 123 | |
| 124 | ~CommandObjectThreadBacktrace() override = default; |
| 125 | |
| 126 | Options *GetOptions() override { return &m_options; } |
| 127 | |
| 128 | std::optional<std::string> GetRepeatCommand(Args ¤t_args, |
| 129 | uint32_t idx) override { |
| 130 | llvm::StringRef count_opt("--count"); |
| 131 | llvm::StringRef start_opt("--start"); |
| 132 | |
| 133 | // If no "count" was provided, we are dumping the entire backtrace, so |
| 134 | // there isn't a repeat command. So we search for the count option in |
| 135 | // the args, and if we find it, we make a copy and insert or modify the |
| 136 | // start option's value to start count indices greater. |
| 137 | |
| 138 | Args copy_args(current_args); |
| 139 | size_t num_entries = copy_args.GetArgumentCount(); |
| 140 | // These two point at the index of the option value if found. |
| 141 | size_t count_idx = 0; |
| 142 | size_t start_idx = 0; |
| 143 | size_t count_val = 0; |
| 144 | size_t start_val = 0; |
| 145 | |
| 146 | for (size_t idx = 0; idx < num_entries; idx++) { |
| 147 | llvm::StringRef arg_string = copy_args[idx].ref(); |
| 148 | if (arg_string.equals("-c") || count_opt.startswith(arg_string)) { |
| 149 | idx++; |
| 150 | if (idx == num_entries) |
| 151 | return std::nullopt; |
| 152 | count_idx = idx; |
| 153 | if (copy_args[idx].ref().getAsInteger(0, count_val)) |
| 154 | return std::nullopt; |
| 155 | } else if (arg_string.equals("-s") || start_opt.startswith(arg_string)) { |
| 156 | idx++; |
| 157 | if (idx == num_entries) |
| 158 | return std::nullopt; |
| 159 | start_idx = idx; |
| 160 | if (copy_args[idx].ref().getAsInteger(0, start_val)) |
| 161 | return std::nullopt; |
| 162 | } |
| 163 | } |
| 164 | if (count_idx == 0) |
| 165 | return std::nullopt; |
| 166 | |
| 167 | std::string new_start_val = llvm::formatv("{0}", start_val + count_val); |
| 168 | if (start_idx == 0) { |
| 169 | copy_args.AppendArgument(start_opt); |
| 170 | copy_args.AppendArgument(new_start_val); |
| 171 | } else { |
| 172 | copy_args.ReplaceArgumentAtIndex(start_idx, new_start_val); |
| 173 | } |
| 174 | std::string repeat_command; |
| 175 | if (!copy_args.GetQuotedCommandString(repeat_command)) |
| 176 | return std::nullopt; |
| 177 | return repeat_command; |
| 178 | } |
| 179 | |
| 180 | protected: |
| 181 | void DoExtendedBacktrace(Thread *thread, CommandReturnObject &result) { |
| 182 | SystemRuntime *runtime = thread->GetProcess()->GetSystemRuntime(); |
| 183 | if (runtime) { |
| 184 | Stream &strm = result.GetOutputStream(); |
| 185 | const std::vector<ConstString> &types = |
| 186 | runtime->GetExtendedBacktraceTypes(); |
| 187 | for (auto type : types) { |
| 188 | ThreadSP ext_thread_sp = runtime->GetExtendedBacktraceThread( |
| 189 | thread->shared_from_this(), type); |
| 190 | if (ext_thread_sp && ext_thread_sp->IsValid()) { |
| 191 | const uint32_t num_frames_with_source = 0; |
| 192 | const bool stop_format = false; |
| 193 | strm.PutChar('\n'); |
| 194 | if (ext_thread_sp->GetStatus(strm, m_options.m_start, |
| 195 | m_options.m_count, |
| 196 | num_frames_with_source, stop_format)) { |
| 197 | DoExtendedBacktrace(ext_thread_sp.get(), result); |
| 198 | } |
| 199 | } |
| 200 | } |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | bool HandleOneThread(lldb::tid_t tid, CommandReturnObject &result) override { |
| 205 | ThreadSP thread_sp = |
| 206 | m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid); |
| 207 | if (!thread_sp) { |
| 208 | result.AppendErrorWithFormat( |
| 209 | "thread disappeared while computing backtraces: 0x%" PRIx64"l" "x" "\n", |
| 210 | tid); |
| 211 | return false; |
| 212 | } |
| 213 | |
| 214 | Thread *thread = thread_sp.get(); |
| 215 | |
| 216 | Stream &strm = result.GetOutputStream(); |
| 217 | |
| 218 | // Only dump stack info if we processing unique stacks. |
| 219 | const bool only_stacks = m_unique_stacks; |
| 220 | |
| 221 | // Don't show source context when doing backtraces. |
| 222 | const uint32_t num_frames_with_source = 0; |
| 223 | const bool stop_format = true; |
| 224 | if (!thread->GetStatus(strm, m_options.m_start, m_options.m_count, |
| 225 | num_frames_with_source, stop_format, only_stacks)) { |
| 226 | result.AppendErrorWithFormat( |
| 227 | "error displaying backtrace for thread: \"0x%4.4x\"\n", |
| 228 | thread->GetIndexID()); |
| 229 | return false; |
| 230 | } |
| 231 | if (m_options.m_extended_backtrace && !GetDebugger().InterruptRequested()) { |
| 232 | DoExtendedBacktrace(thread, result); |
| 233 | } |
| 234 | |
| 235 | return true; |
| 236 | } |
| 237 | |
| 238 | CommandOptions m_options; |
| 239 | }; |
| 240 | |
| 241 | enum StepScope { eStepScopeSource, eStepScopeInstruction }; |
| 242 | |
| 243 | #define LLDB_OPTIONS_thread_step_scope |
| 244 | #include "CommandOptions.inc" |
| 245 | |
| 246 | class ThreadStepScopeOptionGroup : public OptionGroup { |
| 247 | public: |
| 248 | ThreadStepScopeOptionGroup() { |
| 249 | // Keep default values of all options in one place: OptionParsingStarting |
| 250 | // () |
| 251 | OptionParsingStarting(nullptr); |
| 252 | } |
| 253 | |
| 254 | ~ThreadStepScopeOptionGroup() override = default; |
| 255 | |
| 256 | llvm::ArrayRef<OptionDefinition> GetDefinitions() override { |
| 257 | return llvm::ArrayRef(g_thread_step_scope_options); |
| 258 | } |
| 259 | |
| 260 | Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, |
| 261 | ExecutionContext *execution_context) override { |
| 262 | Status error; |
| 263 | const int short_option = |
| 264 | g_thread_step_scope_options[option_idx].short_option; |
| 265 | |
| 266 | switch (short_option) { |
| 267 | case 'a': { |
| 268 | bool success; |
| 269 | bool avoid_no_debug = |
| 270 | OptionArgParser::ToBoolean(option_arg, true, &success); |
| 271 | if (!success) |
| 272 | error.SetErrorStringWithFormat("invalid boolean value for option '%c'", |
| 273 | short_option); |
| 274 | else { |
| 275 | m_step_in_avoid_no_debug = avoid_no_debug ? eLazyBoolYes : eLazyBoolNo; |
| 276 | } |
| 277 | } break; |
| 278 | |
| 279 | case 'A': { |
| 280 | bool success; |
| 281 | bool avoid_no_debug = |
| 282 | OptionArgParser::ToBoolean(option_arg, true, &success); |
| 283 | if (!success) |
| 284 | error.SetErrorStringWithFormat("invalid boolean value for option '%c'", |
| 285 | short_option); |
| 286 | else { |
| 287 | m_step_out_avoid_no_debug = avoid_no_debug ? eLazyBoolYes : eLazyBoolNo; |
| 288 | } |
| 289 | } break; |
| 290 | |
| 291 | case 'c': |
| 292 | if (option_arg.getAsInteger(0, m_step_count)) |
| 293 | error.SetErrorStringWithFormat("invalid step count '%s'", |
| 294 | option_arg.str().c_str()); |
| 295 | break; |
| 296 | |
| 297 | case 'm': { |
| 298 | auto enum_values = GetDefinitions()[option_idx].enum_values; |
| 299 | m_run_mode = (lldb::RunMode)OptionArgParser::ToOptionEnum( |
| 300 | option_arg, enum_values, eOnlyDuringStepping, error); |
| 301 | } break; |
| 302 | |
| 303 | case 'e': |
| 304 | if (option_arg == "block") { |
| 305 | m_end_line_is_block_end = true; |
| 306 | break; |
| 307 | } |
| 308 | if (option_arg.getAsInteger(0, m_end_line)) |
| 309 | error.SetErrorStringWithFormat("invalid end line number '%s'", |
| 310 | option_arg.str().c_str()); |
| 311 | break; |
| 312 | |
| 313 | case 'r': |
| 314 | m_avoid_regexp.clear(); |
| 315 | m_avoid_regexp.assign(std::string(option_arg)); |
| 316 | break; |
| 317 | |
| 318 | case 't': |
| 319 | m_step_in_target.clear(); |
| 320 | m_step_in_target.assign(std::string(option_arg)); |
| 321 | break; |
| 322 | |
| 323 | default: |
| 324 | llvm_unreachable("Unimplemented option")::llvm::llvm_unreachable_internal("Unimplemented option", "lldb/source/Commands/CommandObjectThread.cpp" , 324); |
| 325 | } |
| 326 | return error; |
| 327 | } |
| 328 | |
| 329 | void OptionParsingStarting(ExecutionContext *execution_context) override { |
| 330 | m_step_in_avoid_no_debug = eLazyBoolCalculate; |
| 331 | m_step_out_avoid_no_debug = eLazyBoolCalculate; |
| 332 | m_run_mode = eOnlyDuringStepping; |
| 333 | |
| 334 | // Check if we are in Non-Stop mode |
| 335 | TargetSP target_sp = |
| 336 | execution_context ? execution_context->GetTargetSP() : TargetSP(); |
| 337 | ProcessSP process_sp = |
| 338 | execution_context ? execution_context->GetProcessSP() : ProcessSP(); |
| 339 | if (process_sp && process_sp->GetSteppingRunsAllThreads()) |
| 340 | m_run_mode = eAllThreads; |
| 341 | |
| 342 | m_avoid_regexp.clear(); |
| 343 | m_step_in_target.clear(); |
| 344 | m_step_count = 1; |
| 345 | m_end_line = LLDB_INVALID_LINE_NUMBER(4294967295U); |
| 346 | m_end_line_is_block_end = false; |
| 347 | } |
| 348 | |
| 349 | // Instance variables to hold the values for command options. |
| 350 | LazyBool m_step_in_avoid_no_debug; |
| 351 | LazyBool m_step_out_avoid_no_debug; |
| 352 | RunMode m_run_mode; |
| 353 | std::string m_avoid_regexp; |
| 354 | std::string m_step_in_target; |
| 355 | uint32_t m_step_count; |
| 356 | uint32_t m_end_line; |
| 357 | bool m_end_line_is_block_end; |
| 358 | }; |
| 359 | |
| 360 | class CommandObjectThreadStepWithTypeAndScope : public CommandObjectParsed { |
| 361 | public: |
| 362 | CommandObjectThreadStepWithTypeAndScope(CommandInterpreter &interpreter, |
| 363 | const char *name, const char *help, |
| 364 | const char *syntax, |
| 365 | StepType step_type, |
| 366 | StepScope step_scope) |
| 367 | : CommandObjectParsed(interpreter, name, help, syntax, |
| 368 | eCommandRequiresProcess | eCommandRequiresThread | |
| 369 | eCommandTryTargetAPILock | |
| 370 | eCommandProcessMustBeLaunched | |
| 371 | eCommandProcessMustBePaused), |
| 372 | m_step_type(step_type), m_step_scope(step_scope), |
| 373 | m_class_options("scripted step") { |
| 374 | CommandArgumentEntry arg; |
| 375 | CommandArgumentData thread_id_arg; |
| 376 | |
| 377 | // Define the first (and only) variant of this arg. |
| 378 | thread_id_arg.arg_type = eArgTypeThreadID; |
| 379 | thread_id_arg.arg_repetition = eArgRepeatOptional; |
| 380 | |
| 381 | // There is only one variant this argument could be; put it into the |
| 382 | // argument entry. |
| 383 | arg.push_back(thread_id_arg); |
| 384 | |
| 385 | // Push the data for the first argument into the m_arguments vector. |
| 386 | m_arguments.push_back(arg); |
| 387 | |
| 388 | if (step_type == eStepTypeScripted) { |
| 389 | m_all_options.Append(&m_class_options, LLDB_OPT_SET_1(1U << 0) | LLDB_OPT_SET_2(1U << 1), |
| 390 | LLDB_OPT_SET_1(1U << 0)); |
| 391 | } |
| 392 | m_all_options.Append(&m_options); |
| 393 | m_all_options.Finalize(); |
| 394 | } |
| 395 | |
| 396 | ~CommandObjectThreadStepWithTypeAndScope() override = default; |
| 397 | |
| 398 | void |
| 399 | HandleArgumentCompletion(CompletionRequest &request, |
| 400 | OptionElementVector &opt_element_vector) override { |
| 401 | if (request.GetCursorIndex()) |
| 402 | return; |
| 403 | |
| 404 | CommandCompletions::InvokeCommonCompletionCallbacks( |
| 405 | GetCommandInterpreter(), CommandCompletions::eThreadIndexCompletion, |
| 406 | request, nullptr); |
| 407 | } |
| 408 | |
| 409 | Options *GetOptions() override { return &m_all_options; } |
| 410 | |
| 411 | protected: |
| 412 | bool DoExecute(Args &command, CommandReturnObject &result) override { |
| 413 | Process *process = m_exe_ctx.GetProcessPtr(); |
| 414 | bool synchronous_execution = m_interpreter.GetSynchronous(); |
| 415 | |
| 416 | const uint32_t num_threads = process->GetThreadList().GetSize(); |
| 417 | Thread *thread = nullptr; |
| 418 | |
| 419 | if (command.GetArgumentCount() == 0) { |
| 420 | thread = GetDefaultThread(); |
| 421 | |
| 422 | if (thread == nullptr) { |
| 423 | result.AppendError("no selected thread in process"); |
| 424 | return false; |
| 425 | } |
| 426 | } else { |
| 427 | const char *thread_idx_cstr = command.GetArgumentAtIndex(0); |
| 428 | uint32_t step_thread_idx; |
| 429 | |
| 430 | if (!llvm::to_integer(thread_idx_cstr, step_thread_idx)) { |
| 431 | result.AppendErrorWithFormat("invalid thread index '%s'.\n", |
| 432 | thread_idx_cstr); |
| 433 | return false; |
| 434 | } |
| 435 | thread = |
| 436 | process->GetThreadList().FindThreadByIndexID(step_thread_idx).get(); |
| 437 | if (thread == nullptr) { |
| 438 | result.AppendErrorWithFormat( |
| 439 | "Thread index %u is out of range (valid values are 0 - %u).\n", |
| 440 | step_thread_idx, num_threads); |
| 441 | return false; |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | if (m_step_type == eStepTypeScripted) { |
| 446 | if (m_class_options.GetName().empty()) { |
| 447 | result.AppendErrorWithFormat("empty class name for scripted step."); |
| 448 | return false; |
| 449 | } else if (!GetDebugger().GetScriptInterpreter()->CheckObjectExists( |
| 450 | m_class_options.GetName().c_str())) { |
| 451 | result.AppendErrorWithFormat( |
| 452 | "class for scripted step: \"%s\" does not exist.", |
| 453 | m_class_options.GetName().c_str()); |
| 454 | return false; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | if (m_options.m_end_line != LLDB_INVALID_LINE_NUMBER(4294967295U) && |
| 459 | m_step_type != eStepTypeInto) { |
| 460 | result.AppendErrorWithFormat( |
| 461 | "end line option is only valid for step into"); |
| 462 | return false; |
| 463 | } |
| 464 | |
| 465 | const bool abort_other_plans = false; |
| 466 | const lldb::RunMode stop_other_threads = m_options.m_run_mode; |
| 467 | |
| 468 | // This is a bit unfortunate, but not all the commands in this command |
| 469 | // object support only while stepping, so I use the bool for them. |
| 470 | bool bool_stop_other_threads; |
| 471 | if (m_options.m_run_mode == eAllThreads) |
| 472 | bool_stop_other_threads = false; |
| 473 | else if (m_options.m_run_mode == eOnlyDuringStepping) |
| 474 | bool_stop_other_threads = (m_step_type != eStepTypeOut); |
| 475 | else |
| 476 | bool_stop_other_threads = true; |
| 477 | |
| 478 | ThreadPlanSP new_plan_sp; |
| 479 | Status new_plan_status; |
| 480 | |
| 481 | if (m_step_type == eStepTypeInto) { |
| 482 | StackFrame *frame = thread->GetStackFrameAtIndex(0).get(); |
| 483 | assert(frame != nullptr)(static_cast <bool> (frame != nullptr) ? void (0) : __assert_fail ("frame != nullptr", "lldb/source/Commands/CommandObjectThread.cpp" , 483, __extension__ __PRETTY_FUNCTION__)); |
| 484 | |
| 485 | if (frame->HasDebugInformation()) { |
| 486 | AddressRange range; |
| 487 | SymbolContext sc = frame->GetSymbolContext(eSymbolContextEverything); |
| 488 | if (m_options.m_end_line != LLDB_INVALID_LINE_NUMBER(4294967295U)) { |
| 489 | Status error; |
| 490 | if (!sc.GetAddressRangeFromHereToEndLine(m_options.m_end_line, range, |
| 491 | error)) { |
| 492 | result.AppendErrorWithFormat("invalid end-line option: %s.", |
| 493 | error.AsCString()); |
| 494 | return false; |
| 495 | } |
| 496 | } else if (m_options.m_end_line_is_block_end) { |
| 497 | Status error; |
| 498 | Block *block = frame->GetSymbolContext(eSymbolContextBlock).block; |
| 499 | if (!block) { |
| 500 | result.AppendErrorWithFormat("Could not find the current block."); |
| 501 | return false; |
| 502 | } |
| 503 | |
| 504 | AddressRange block_range; |
| 505 | Address pc_address = frame->GetFrameCodeAddress(); |
| 506 | block->GetRangeContainingAddress(pc_address, block_range); |
| 507 | if (!block_range.GetBaseAddress().IsValid()) { |
| 508 | result.AppendErrorWithFormat( |
| 509 | "Could not find the current block address."); |
| 510 | return false; |
| 511 | } |
| 512 | lldb::addr_t pc_offset_in_block = |
| 513 | pc_address.GetFileAddress() - |
| 514 | block_range.GetBaseAddress().GetFileAddress(); |
| 515 | lldb::addr_t range_length = |
| 516 | block_range.GetByteSize() - pc_offset_in_block; |
| 517 | range = AddressRange(pc_address, range_length); |
| 518 | } else { |
| 519 | range = sc.line_entry.range; |
| 520 | } |
| 521 | |
| 522 | new_plan_sp = thread->QueueThreadPlanForStepInRange( |
| 523 | abort_other_plans, range, |
| 524 | frame->GetSymbolContext(eSymbolContextEverything), |
| 525 | m_options.m_step_in_target.c_str(), stop_other_threads, |
| 526 | new_plan_status, m_options.m_step_in_avoid_no_debug, |
| 527 | m_options.m_step_out_avoid_no_debug); |
| 528 | |
| 529 | if (new_plan_sp && !m_options.m_avoid_regexp.empty()) { |
| 530 | ThreadPlanStepInRange *step_in_range_plan = |
| 531 | static_cast<ThreadPlanStepInRange *>(new_plan_sp.get()); |
| 532 | step_in_range_plan->SetAvoidRegexp(m_options.m_avoid_regexp.c_str()); |
| 533 | } |
| 534 | } else |
| 535 | new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction( |
| 536 | false, abort_other_plans, bool_stop_other_threads, new_plan_status); |
| 537 | } else if (m_step_type == eStepTypeOver) { |
| 538 | StackFrame *frame = thread->GetStackFrameAtIndex(0).get(); |
| 539 | |
| 540 | if (frame->HasDebugInformation()) |
| 541 | new_plan_sp = thread->QueueThreadPlanForStepOverRange( |
| 542 | abort_other_plans, |
| 543 | frame->GetSymbolContext(eSymbolContextEverything).line_entry, |
| 544 | frame->GetSymbolContext(eSymbolContextEverything), |
| 545 | stop_other_threads, new_plan_status, |
| 546 | m_options.m_step_out_avoid_no_debug); |
| 547 | else |
| 548 | new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction( |
| 549 | true, abort_other_plans, bool_stop_other_threads, new_plan_status); |
| 550 | } else if (m_step_type == eStepTypeTrace) { |
| 551 | new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction( |
| 552 | false, abort_other_plans, bool_stop_other_threads, new_plan_status); |
| 553 | } else if (m_step_type == eStepTypeTraceOver) { |
| 554 | new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction( |
| 555 | true, abort_other_plans, bool_stop_other_threads, new_plan_status); |
| 556 | } else if (m_step_type == eStepTypeOut) { |
| 557 | new_plan_sp = thread->QueueThreadPlanForStepOut( |
| 558 | abort_other_plans, nullptr, false, bool_stop_other_threads, eVoteYes, |
| 559 | eVoteNoOpinion, |
| 560 | thread->GetSelectedFrameIndex(DoNoSelectMostRelevantFrame), |
| 561 | new_plan_status, m_options.m_step_out_avoid_no_debug); |
| 562 | } else if (m_step_type == eStepTypeScripted) { |
| 563 | new_plan_sp = thread->QueueThreadPlanForStepScripted( |
| 564 | abort_other_plans, m_class_options.GetName().c_str(), |
| 565 | m_class_options.GetStructuredData(), bool_stop_other_threads, |
| 566 | new_plan_status); |
| 567 | } else { |
| 568 | result.AppendError("step type is not supported"); |
| 569 | return false; |
| 570 | } |
| 571 | |
| 572 | // If we got a new plan, then set it to be a controlling plan (User level |
| 573 | // Plans should be controlling plans so that they can be interruptible). |
| 574 | // Then resume the process. |
| 575 | |
| 576 | if (new_plan_sp) { |
| 577 | new_plan_sp->SetIsControllingPlan(true); |
| 578 | new_plan_sp->SetOkayToDiscard(false); |
| 579 | |
| 580 | if (m_options.m_step_count > 1) { |
| 581 | if (!new_plan_sp->SetIterationCount(m_options.m_step_count)) { |
| 582 | result.AppendWarning( |
| 583 | "step operation does not support iteration count."); |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | process->GetThreadList().SetSelectedThreadByID(thread->GetID()); |
| 588 | |
| 589 | const uint32_t iohandler_id = process->GetIOHandlerID(); |
| 590 | |
| 591 | StreamString stream; |
| 592 | Status error; |
| 593 | if (synchronous_execution) |
| 594 | error = process->ResumeSynchronous(&stream); |
| 595 | else |
| 596 | error = process->Resume(); |
| 597 | |
| 598 | if (!error.Success()) { |
| 599 | result.AppendMessage(error.AsCString()); |
| 600 | return false; |
| 601 | } |
| 602 | |
| 603 | // There is a race condition where this thread will return up the call |
| 604 | // stack to the main command handler and show an (lldb) prompt before |
| 605 | // HandlePrivateEvent (from PrivateStateThread) has a chance to call |
| 606 | // PushProcessIOHandler(). |
| 607 | process->SyncIOHandler(iohandler_id, std::chrono::seconds(2)); |
| 608 | |
| 609 | if (synchronous_execution) { |
| 610 | // If any state changed events had anything to say, add that to the |
| 611 | // result |
| 612 | if (stream.GetSize() > 0) |
| 613 | result.AppendMessage(stream.GetString()); |
| 614 | |
| 615 | process->GetThreadList().SetSelectedThreadByID(thread->GetID()); |
| 616 | result.SetDidChangeProcessState(true); |
| 617 | result.SetStatus(eReturnStatusSuccessFinishNoResult); |
| 618 | } else { |
| 619 | result.SetStatus(eReturnStatusSuccessContinuingNoResult); |
| 620 | } |
| 621 | } else { |
| 622 | result.SetError(new_plan_status); |
| 623 | } |
| 624 | return result.Succeeded(); |
| 625 | } |
| 626 | |
| 627 | StepType m_step_type; |
| 628 | StepScope m_step_scope; |
| 629 | ThreadStepScopeOptionGroup m_options; |
| 630 | OptionGroupPythonClassWithDict m_class_options; |
| 631 | OptionGroupOptions m_all_options; |
| 632 | }; |
| 633 | |
| 634 | // CommandObjectThreadContinue |
| 635 | |
| 636 | class CommandObjectThreadContinue : public CommandObjectParsed { |
| 637 | public: |
| 638 | CommandObjectThreadContinue(CommandInterpreter &interpreter) |
| 639 | : CommandObjectParsed( |
| 640 | interpreter, "thread continue", |
| 641 | "Continue execution of the current target process. One " |
| 642 | "or more threads may be specified, by default all " |
| 643 | "threads continue.", |
| 644 | nullptr, |
| 645 | eCommandRequiresThread | eCommandTryTargetAPILock | |
| 646 | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) { |
| 647 | CommandArgumentEntry arg; |
| 648 | CommandArgumentData thread_idx_arg; |
| 649 | |
| 650 | // Define the first (and only) variant of this arg. |
| 651 | thread_idx_arg.arg_type = eArgTypeThreadIndex; |
| 652 | thread_idx_arg.arg_repetition = eArgRepeatPlus; |
| 653 | |
| 654 | // There is only one variant this argument could be; put it into the |
| 655 | // argument entry. |
| 656 | arg.push_back(thread_idx_arg); |
| 657 | |
| 658 | // Push the data for the first argument into the m_arguments vector. |
| 659 | m_arguments.push_back(arg); |
| 660 | } |
| 661 | |
| 662 | ~CommandObjectThreadContinue() override = default; |
| 663 | |
| 664 | void |
| 665 | HandleArgumentCompletion(CompletionRequest &request, |
| 666 | OptionElementVector &opt_element_vector) override { |
| 667 | CommandCompletions::InvokeCommonCompletionCallbacks( |
| 668 | GetCommandInterpreter(), CommandCompletions::eThreadIndexCompletion, |
| 669 | request, nullptr); |
| 670 | } |
| 671 | |
| 672 | bool DoExecute(Args &command, CommandReturnObject &result) override { |
| 673 | bool synchronous_execution = m_interpreter.GetSynchronous(); |
| 674 | |
| 675 | Process *process = m_exe_ctx.GetProcessPtr(); |
| 676 | if (process == nullptr) { |
| 677 | result.AppendError("no process exists. Cannot continue"); |
| 678 | return false; |
| 679 | } |
| 680 | |
| 681 | StateType state = process->GetState(); |
| 682 | if ((state == eStateCrashed) || (state == eStateStopped) || |
| 683 | (state == eStateSuspended)) { |
| 684 | const size_t argc = command.GetArgumentCount(); |
| 685 | if (argc > 0) { |
| 686 | // These two lines appear at the beginning of both blocks in this |
| 687 | // if..else, but that is because we need to release the lock before |
| 688 | // calling process->Resume below. |
| 689 | std::lock_guard<std::recursive_mutex> guard( |
| 690 | process->GetThreadList().GetMutex()); |
| 691 | const uint32_t num_threads = process->GetThreadList().GetSize(); |
| 692 | std::vector<Thread *> resume_threads; |
| 693 | for (auto &entry : command.entries()) { |
| 694 | uint32_t thread_idx; |
| 695 | if (entry.ref().getAsInteger(0, thread_idx)) { |
| 696 | result.AppendErrorWithFormat( |
| 697 | "invalid thread index argument: \"%s\".\n", entry.c_str()); |
| 698 | return false; |
| 699 | } |
| 700 | Thread *thread = |
| 701 | process->GetThreadList().FindThreadByIndexID(thread_idx).get(); |
| 702 | |
| 703 | if (thread) { |
| 704 | resume_threads.push_back(thread); |
| 705 | } else { |
| 706 | result.AppendErrorWithFormat("invalid thread index %u.\n", |
| 707 | thread_idx); |
| 708 | return false; |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | if (resume_threads.empty()) { |
| 713 | result.AppendError("no valid thread indexes were specified"); |
| 714 | return false; |
| 715 | } else { |
| 716 | if (resume_threads.size() == 1) |
| 717 | result.AppendMessageWithFormat("Resuming thread: "); |
| 718 | else |
| 719 | result.AppendMessageWithFormat("Resuming threads: "); |
| 720 | |
| 721 | for (uint32_t idx = 0; idx < num_threads; ++idx) { |
| 722 | Thread *thread = |
| 723 | process->GetThreadList().GetThreadAtIndex(idx).get(); |
| 724 | std::vector<Thread *>::iterator this_thread_pos = |
| 725 | find(resume_threads.begin(), resume_threads.end(), thread); |
| 726 | |
| 727 | if (this_thread_pos != resume_threads.end()) { |
| 728 | resume_threads.erase(this_thread_pos); |
| 729 | if (!resume_threads.empty()) |
| 730 | result.AppendMessageWithFormat("%u, ", thread->GetIndexID()); |
| 731 | else |
| 732 | result.AppendMessageWithFormat("%u ", thread->GetIndexID()); |
| 733 | |
| 734 | const bool override_suspend = true; |
| 735 | thread->SetResumeState(eStateRunning, override_suspend); |
| 736 | } else { |
| 737 | thread->SetResumeState(eStateSuspended); |
| 738 | } |
| 739 | } |
| 740 | result.AppendMessageWithFormat("in process %" PRIu64"l" "u" "\n", |
| 741 | process->GetID()); |
| 742 | } |
| 743 | } else { |
| 744 | // These two lines appear at the beginning of both blocks in this |
| 745 | // if..else, but that is because we need to release the lock before |
| 746 | // calling process->Resume below. |
| 747 | std::lock_guard<std::recursive_mutex> guard( |
| 748 | process->GetThreadList().GetMutex()); |
| 749 | const uint32_t num_threads = process->GetThreadList().GetSize(); |
| 750 | Thread *current_thread = GetDefaultThread(); |
| 751 | if (current_thread == nullptr) { |
| 752 | result.AppendError("the process doesn't have a current thread"); |
| 753 | return false; |
| 754 | } |
| 755 | // Set the actions that the threads should each take when resuming |
| 756 | for (uint32_t idx = 0; idx < num_threads; ++idx) { |
| 757 | Thread *thread = process->GetThreadList().GetThreadAtIndex(idx).get(); |
| 758 | if (thread == current_thread) { |
| 759 | result.AppendMessageWithFormat("Resuming thread 0x%4.4" PRIx64"l" "x" |
| 760 | " in process %" PRIu64"l" "u" "\n", |
| 761 | thread->GetID(), process->GetID()); |
| 762 | const bool override_suspend = true; |
| 763 | thread->SetResumeState(eStateRunning, override_suspend); |
| 764 | } else { |
| 765 | thread->SetResumeState(eStateSuspended); |
| 766 | } |
| 767 | } |
| 768 | } |
| 769 | |
| 770 | StreamString stream; |
| 771 | Status error; |
| 772 | if (synchronous_execution) |
| 773 | error = process->ResumeSynchronous(&stream); |
| 774 | else |
| 775 | error = process->Resume(); |
| 776 | |
| 777 | // We should not be holding the thread list lock when we do this. |
| 778 | if (error.Success()) { |
| 779 | result.AppendMessageWithFormat("Process %" PRIu64"l" "u" " resuming\n", |
| 780 | process->GetID()); |
| 781 | if (synchronous_execution) { |
| 782 | // If any state changed events had anything to say, add that to the |
| 783 | // result |
| 784 | if (stream.GetSize() > 0) |
| 785 | result.AppendMessage(stream.GetString()); |
| 786 | |
| 787 | result.SetDidChangeProcessState(true); |
| 788 | result.SetStatus(eReturnStatusSuccessFinishNoResult); |
| 789 | } else { |
| 790 | result.SetStatus(eReturnStatusSuccessContinuingNoResult); |
| 791 | } |
| 792 | } else { |
| 793 | result.AppendErrorWithFormat("Failed to resume process: %s\n", |
| 794 | error.AsCString()); |
| 795 | } |
| 796 | } else { |
| 797 | result.AppendErrorWithFormat( |
| 798 | "Process cannot be continued from its current state (%s).\n", |
| 799 | StateAsCString(state)); |
| 800 | } |
| 801 | |
| 802 | return result.Succeeded(); |
| 803 | } |
| 804 | }; |
| 805 | |
| 806 | // CommandObjectThreadUntil |
| 807 | |
| 808 | #define LLDB_OPTIONS_thread_until |
| 809 | #include "CommandOptions.inc" |
| 810 | |
| 811 | class CommandObjectThreadUntil : public CommandObjectParsed { |
| 812 | public: |
| 813 | class CommandOptions : public Options { |
| 814 | public: |
| 815 | uint32_t m_thread_idx = LLDB_INVALID_THREAD_ID0; |
| 816 | uint32_t m_frame_idx = LLDB_INVALID_FRAME_ID(4294967295U); |
| 817 | |
| 818 | CommandOptions() { |
| 819 | // Keep default values of all options in one place: OptionParsingStarting |
| 820 | // () |
| 821 | OptionParsingStarting(nullptr); |
| 822 | } |
| 823 | |
| 824 | ~CommandOptions() override = default; |
| 825 | |
| 826 | Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, |
| 827 | ExecutionContext *execution_context) override { |
| 828 | Status error; |
| 829 | const int short_option = m_getopt_table[option_idx].val; |
| 830 | |
| 831 | switch (short_option) { |
| 832 | case 'a': { |
| 833 | lldb::addr_t tmp_addr = OptionArgParser::ToAddress( |
| 834 | execution_context, option_arg, LLDB_INVALID_ADDRESS(18446744073709551615UL), &error); |
| 835 | if (error.Success()) |
| 836 | m_until_addrs.push_back(tmp_addr); |
| 837 | } break; |
| 838 | case 't': |
| 839 | if (option_arg.getAsInteger(0, m_thread_idx)) { |
| 840 | m_thread_idx = LLDB_INVALID_INDEX32(4294967295U); |
| 841 | error.SetErrorStringWithFormat("invalid thread index '%s'", |
| 842 | option_arg.str().c_str()); |
| 843 | } |
| 844 | break; |
| 845 | case 'f': |
| 846 | if (option_arg.getAsInteger(0, m_frame_idx)) { |
| 847 | m_frame_idx = LLDB_INVALID_FRAME_ID(4294967295U); |
| 848 | error.SetErrorStringWithFormat("invalid frame index '%s'", |
| 849 | option_arg.str().c_str()); |
| 850 | } |
| 851 | break; |
| 852 | case 'm': { |
| 853 | auto enum_values = GetDefinitions()[option_idx].enum_values; |
| 854 | lldb::RunMode run_mode = (lldb::RunMode)OptionArgParser::ToOptionEnum( |
| 855 | option_arg, enum_values, eOnlyDuringStepping, error); |
| 856 | |
| 857 | if (error.Success()) { |
| 858 | if (run_mode == eAllThreads) |
| 859 | m_stop_others = false; |
| 860 | else |
| 861 | m_stop_others = true; |
| 862 | } |
| 863 | } break; |
| 864 | default: |
| 865 | llvm_unreachable("Unimplemented option")::llvm::llvm_unreachable_internal("Unimplemented option", "lldb/source/Commands/CommandObjectThread.cpp" , 865); |
| 866 | } |
| 867 | return error; |
| 868 | } |
| 869 | |
| 870 | void OptionParsingStarting(ExecutionContext *execution_context) override { |
| 871 | m_thread_idx = LLDB_INVALID_THREAD_ID0; |
| 872 | m_frame_idx = 0; |
| 873 | m_stop_others = false; |
| 874 | m_until_addrs.clear(); |
| 875 | } |
| 876 | |
| 877 | llvm::ArrayRef<OptionDefinition> GetDefinitions() override { |
| 878 | return llvm::ArrayRef(g_thread_until_options); |
| 879 | } |
| 880 | |
| 881 | uint32_t m_step_thread_idx = LLDB_INVALID_THREAD_ID0; |
| 882 | bool m_stop_others = false; |
| 883 | std::vector<lldb::addr_t> m_until_addrs; |
| 884 | |
| 885 | // Instance variables to hold the values for command options. |
| 886 | }; |
| 887 | |
| 888 | CommandObjectThreadUntil(CommandInterpreter &interpreter) |
| 889 | : CommandObjectParsed( |
| 890 | interpreter, "thread until", |
| 891 | "Continue until a line number or address is reached by the " |
| 892 | "current or specified thread. Stops when returning from " |
| 893 | "the current function as a safety measure. " |
| 894 | "The target line number(s) are given as arguments, and if more " |
| 895 | "than one" |
| 896 | " is provided, stepping will stop when the first one is hit.", |
| 897 | nullptr, |
| 898 | eCommandRequiresThread | eCommandTryTargetAPILock | |
| 899 | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) { |
| 900 | CommandArgumentEntry arg; |
| 901 | CommandArgumentData line_num_arg; |
| 902 | |
| 903 | // Define the first (and only) variant of this arg. |
| 904 | line_num_arg.arg_type = eArgTypeLineNum; |
| 905 | line_num_arg.arg_repetition = eArgRepeatPlain; |
| 906 | |
| 907 | // There is only one variant this argument could be; put it into the |
| 908 | // argument entry. |
| 909 | arg.push_back(line_num_arg); |
| 910 | |
| 911 | // Push the data for the first argument into the m_arguments vector. |
| 912 | m_arguments.push_back(arg); |
| 913 | } |
| 914 | |
| 915 | ~CommandObjectThreadUntil() override = default; |
| 916 | |
| 917 | Options *GetOptions() override { return &m_options; } |
| 918 | |
| 919 | protected: |
| 920 | bool DoExecute(Args &command, CommandReturnObject &result) override { |
| 921 | bool synchronous_execution = m_interpreter.GetSynchronous(); |
| 922 | |
| 923 | Target *target = &GetSelectedTarget(); |
| 924 | |
| 925 | Process *process = m_exe_ctx.GetProcessPtr(); |
| 926 | if (process == nullptr) { |
| 927 | result.AppendError("need a valid process to step"); |
| 928 | } else { |
| 929 | Thread *thread = nullptr; |
| 930 | std::vector<uint32_t> line_numbers; |
| 931 | |
| 932 | if (command.GetArgumentCount() >= 1) { |
| 933 | size_t num_args = command.GetArgumentCount(); |
| 934 | for (size_t i = 0; i < num_args; i++) { |
| 935 | uint32_t line_number; |
| 936 | if (!llvm::to_integer(command.GetArgumentAtIndex(i), line_number)) { |
| 937 | result.AppendErrorWithFormat("invalid line number: '%s'.\n", |
| 938 | command.GetArgumentAtIndex(i)); |
| 939 | return false; |
| 940 | } else |
| 941 | line_numbers.push_back(line_number); |
| 942 | } |
| 943 | } else if (m_options.m_until_addrs.empty()) { |
| 944 | result.AppendErrorWithFormat("No line number or address provided:\n%s", |
| 945 | GetSyntax().str().c_str()); |
| 946 | return false; |
| 947 | } |
| 948 | |
| 949 | if (m_options.m_thread_idx == LLDB_INVALID_THREAD_ID0) { |
| 950 | thread = GetDefaultThread(); |
| 951 | } else { |
| 952 | thread = process->GetThreadList() |
| 953 | .FindThreadByIndexID(m_options.m_thread_idx) |
| 954 | .get(); |
| 955 | } |
| 956 | |
| 957 | if (thread == nullptr) { |
| 958 | const uint32_t num_threads = process->GetThreadList().GetSize(); |
| 959 | result.AppendErrorWithFormat( |
| 960 | "Thread index %u is out of range (valid values are 0 - %u).\n", |
| 961 | m_options.m_thread_idx, num_threads); |
| 962 | return false; |
| 963 | } |
| 964 | |
| 965 | const bool abort_other_plans = false; |
| 966 | |
| 967 | StackFrame *frame = |
| 968 | thread->GetStackFrameAtIndex(m_options.m_frame_idx).get(); |
| 969 | if (frame == nullptr) { |
| 970 | result.AppendErrorWithFormat( |
| 971 | "Frame index %u is out of range for thread id %" PRIu64"l" "u" ".\n", |
| 972 | m_options.m_frame_idx, thread->GetID()); |
| 973 | return false; |
| 974 | } |
| 975 | |
| 976 | ThreadPlanSP new_plan_sp; |
| 977 | Status new_plan_status; |
| 978 | |
| 979 | if (frame->HasDebugInformation()) { |
| 980 | // Finally we got here... Translate the given line number to a bunch |
| 981 | // of addresses: |
| 982 | SymbolContext sc(frame->GetSymbolContext(eSymbolContextCompUnit)); |
| 983 | LineTable *line_table = nullptr; |
| 984 | if (sc.comp_unit) |
| 985 | line_table = sc.comp_unit->GetLineTable(); |
| 986 | |
| 987 | if (line_table == nullptr) { |
| 988 | result.AppendErrorWithFormat("Failed to resolve the line table for " |
| 989 | "frame %u of thread id %" PRIu64"l" "u" ".\n", |
| 990 | m_options.m_frame_idx, thread->GetID()); |
| 991 | return false; |
| 992 | } |
| 993 | |
| 994 | LineEntry function_start; |
| 995 | uint32_t index_ptr = 0, end_ptr = UINT32_MAX(4294967295U); |
| 996 | std::vector<addr_t> address_list; |
| 997 | |
| 998 | // Find the beginning & end index of the function, but first make |
| 999 | // sure it is valid: |
| 1000 | if (!sc.function) { |
| 1001 | result.AppendErrorWithFormat("Have debug information but no " |
| 1002 | "function info - can't get until range."); |
| 1003 | return false; |
| 1004 | } |
| 1005 | |
| 1006 | AddressRange fun_addr_range = sc.function->GetAddressRange(); |
| 1007 | Address fun_start_addr = fun_addr_range.GetBaseAddress(); |
| 1008 | line_table->FindLineEntryByAddress(fun_start_addr, function_start, |
| 1009 | &index_ptr); |
| 1010 | |
| 1011 | Address fun_end_addr(fun_start_addr.GetSection(), |
| 1012 | fun_start_addr.GetOffset() + |
| 1013 | fun_addr_range.GetByteSize()); |
| 1014 | |
| 1015 | bool all_in_function = true; |
| 1016 | |
| 1017 | line_table->FindLineEntryByAddress(fun_end_addr, function_start, |
| 1018 | &end_ptr); |
| 1019 | |
| 1020 | // Since not all source lines will contribute code, check if we are |
| 1021 | // setting the breakpoint on the exact line number or the nearest |
| 1022 | // subsequent line number and set breakpoints at all the line table |
| 1023 | // entries of the chosen line number (exact or nearest subsequent). |
| 1024 | for (uint32_t line_number : line_numbers) { |
| 1025 | LineEntry line_entry; |
| 1026 | bool exact = false; |
| 1027 | uint32_t start_idx_ptr = index_ptr; |
Value stored to 'start_idx_ptr' during its initialization is never read | |
| 1028 | start_idx_ptr = sc.comp_unit->FindLineEntry( |
| 1029 | index_ptr, line_number, nullptr, exact, &line_entry); |
| 1030 | if (start_idx_ptr != UINT32_MAX(4294967295U)) |
| 1031 | line_number = line_entry.line; |
| 1032 | exact = true; |
| 1033 | start_idx_ptr = index_ptr; |
| 1034 | while (start_idx_ptr <= end_ptr) { |
| 1035 | start_idx_ptr = sc.comp_unit->FindLineEntry( |
| 1036 | start_idx_ptr, line_number, nullptr, exact, &line_entry); |
| 1037 | if (start_idx_ptr == UINT32_MAX(4294967295U)) |
| 1038 | break; |
| 1039 | |
| 1040 | addr_t address = |
| 1041 | line_entry.range.GetBaseAddress().GetLoadAddress(target); |
| 1042 | if (address != LLDB_INVALID_ADDRESS(18446744073709551615UL)) { |
| 1043 | if (fun_addr_range.ContainsLoadAddress(address, target)) |
| 1044 | address_list.push_back(address); |
| 1045 | else |
| 1046 | all_in_function = false; |
| 1047 | } |
| 1048 | start_idx_ptr++; |
| 1049 | } |
| 1050 | } |
| 1051 | |
| 1052 | for (lldb::addr_t address : m_options.m_until_addrs) { |
| 1053 | if (fun_addr_range.ContainsLoadAddress(address, target)) |
| 1054 | address_list.push_back(address); |
| 1055 | else |
| 1056 | all_in_function = false; |
| 1057 | } |
| 1058 | |
| 1059 | if (address_list.empty()) { |
| 1060 | if (all_in_function) |
| 1061 | result.AppendErrorWithFormat( |
| 1062 | "No line entries matching until target.\n"); |
| 1063 | else |
| 1064 | result.AppendErrorWithFormat( |
| 1065 | "Until target outside of the current function.\n"); |
| 1066 | |
| 1067 | return false; |
| 1068 | } |
| 1069 | |
| 1070 | new_plan_sp = thread->QueueThreadPlanForStepUntil( |
| 1071 | abort_other_plans, &address_list.front(), address_list.size(), |
| 1072 | m_options.m_stop_others, m_options.m_frame_idx, new_plan_status); |
| 1073 | if (new_plan_sp) { |
| 1074 | // User level plans should be controlling plans so they can be |
| 1075 | // interrupted |
| 1076 | // (e.g. by hitting a breakpoint) and other plans executed by the |
| 1077 | // user (stepping around the breakpoint) and then a "continue" will |
| 1078 | // resume the original plan. |
| 1079 | new_plan_sp->SetIsControllingPlan(true); |
| 1080 | new_plan_sp->SetOkayToDiscard(false); |
| 1081 | } else { |
| 1082 | result.SetError(new_plan_status); |
| 1083 | return false; |
| 1084 | } |
| 1085 | } else { |
| 1086 | result.AppendErrorWithFormat("Frame index %u of thread id %" PRIu64"l" "u" |
| 1087 | " has no debug information.\n", |
| 1088 | m_options.m_frame_idx, thread->GetID()); |
| 1089 | return false; |
| 1090 | } |
| 1091 | |
| 1092 | if (!process->GetThreadList().SetSelectedThreadByID(thread->GetID())) { |
| 1093 | result.AppendErrorWithFormat( |
| 1094 | "Failed to set the selected thread to thread id %" PRIu64"l" "u" ".\n", |
| 1095 | thread->GetID()); |
| 1096 | return false; |
| 1097 | } |
| 1098 | |
| 1099 | StreamString stream; |
| 1100 | Status error; |
| 1101 | if (synchronous_execution) |
| 1102 | error = process->ResumeSynchronous(&stream); |
| 1103 | else |
| 1104 | error = process->Resume(); |
| 1105 | |
| 1106 | if (error.Success()) { |
| 1107 | result.AppendMessageWithFormat("Process %" PRIu64"l" "u" " resuming\n", |
| 1108 | process->GetID()); |
| 1109 | if (synchronous_execution) { |
| 1110 | // If any state changed events had anything to say, add that to the |
| 1111 | // result |
| 1112 | if (stream.GetSize() > 0) |
| 1113 | result.AppendMessage(stream.GetString()); |
| 1114 | |
| 1115 | result.SetDidChangeProcessState(true); |
| 1116 | result.SetStatus(eReturnStatusSuccessFinishNoResult); |
| 1117 | } else { |
| 1118 | result.SetStatus(eReturnStatusSuccessContinuingNoResult); |
| 1119 | } |
| 1120 | } else { |
| 1121 | result.AppendErrorWithFormat("Failed to resume process: %s.\n", |
| 1122 | error.AsCString()); |
| 1123 | } |
| 1124 | } |
| 1125 | return result.Succeeded(); |
| 1126 | } |
| 1127 | |
| 1128 | CommandOptions m_options; |
| 1129 | }; |
| 1130 | |
| 1131 | // CommandObjectThreadSelect |
| 1132 | |
| 1133 | class CommandObjectThreadSelect : public CommandObjectParsed { |
| 1134 | public: |
| 1135 | CommandObjectThreadSelect(CommandInterpreter &interpreter) |
| 1136 | : CommandObjectParsed(interpreter, "thread select", |
| 1137 | "Change the currently selected thread.", nullptr, |
| 1138 | eCommandRequiresProcess | eCommandTryTargetAPILock | |
| 1139 | eCommandProcessMustBeLaunched | |
| 1140 | eCommandProcessMustBePaused) { |
| 1141 | CommandArgumentEntry arg; |
| 1142 | CommandArgumentData thread_idx_arg; |
| 1143 | |
| 1144 | // Define the first (and only) variant of this arg. |
| 1145 | thread_idx_arg.arg_type = eArgTypeThreadIndex; |
| 1146 | thread_idx_arg.arg_repetition = eArgRepeatPlain; |
| 1147 | |
| 1148 | // There is only one variant this argument could be; put it into the |
| 1149 | // argument entry. |
| 1150 | arg.push_back(thread_idx_arg); |
| 1151 | |
| 1152 | // Push the data for the first argument into the m_arguments vector. |
| 1153 | m_arguments.push_back(arg); |
| 1154 | } |
| 1155 | |
| 1156 | ~CommandObjectThreadSelect() override = default; |
| 1157 | |
| 1158 | void |
| 1159 | HandleArgumentCompletion(CompletionRequest &request, |
| 1160 | OptionElementVector &opt_element_vector) override { |
| 1161 | if (request.GetCursorIndex()) |
| 1162 | return; |
| 1163 | |
| 1164 | CommandCompletions::InvokeCommonCompletionCallbacks( |
| 1165 | GetCommandInterpreter(), CommandCompletions::eThreadIndexCompletion, |
| 1166 | request, nullptr); |
| 1167 | } |
| 1168 | |
| 1169 | protected: |
| 1170 | bool DoExecute(Args &command, CommandReturnObject &result) override { |
| 1171 | Process *process = m_exe_ctx.GetProcessPtr(); |
| 1172 | if (process == nullptr) { |
| 1173 | result.AppendError("no process"); |
| 1174 | return false; |
| 1175 | } else if (command.GetArgumentCount() != 1) { |
| 1176 | result.AppendErrorWithFormat( |
| 1177 | "'%s' takes exactly one thread index argument:\nUsage: %s\n", |
| 1178 | m_cmd_name.c_str(), m_cmd_syntax.c_str()); |
| 1179 | return false; |
| 1180 | } |
| 1181 | |
| 1182 | uint32_t index_id; |
| 1183 | if (!llvm::to_integer(command.GetArgumentAtIndex(0), index_id)) { |
| 1184 | result.AppendErrorWithFormat("Invalid thread index '%s'", |
| 1185 | command.GetArgumentAtIndex(0)); |
| 1186 | return false; |
| 1187 | } |
| 1188 | |
| 1189 | Thread *new_thread = |
| 1190 | process->GetThreadList().FindThreadByIndexID(index_id).get(); |
| 1191 | if (new_thread == nullptr) { |
| 1192 | result.AppendErrorWithFormat("invalid thread #%s.\n", |
| 1193 | command.GetArgumentAtIndex(0)); |
| 1194 | return false; |
| 1195 | } |
| 1196 | |
| 1197 | process->GetThreadList().SetSelectedThreadByID(new_thread->GetID(), true); |
| 1198 | result.SetStatus(eReturnStatusSuccessFinishNoResult); |
| 1199 | |
| 1200 | return result.Succeeded(); |
| 1201 | } |
| 1202 | }; |
| 1203 | |
| 1204 | // CommandObjectThreadList |
| 1205 | |
| 1206 | class CommandObjectThreadList : public CommandObjectParsed { |
| 1207 | public: |
| 1208 | CommandObjectThreadList(CommandInterpreter &interpreter) |
| 1209 | : CommandObjectParsed( |
| 1210 | interpreter, "thread list", |
| 1211 | "Show a summary of each thread in the current target process. " |
| 1212 | "Use 'settings set thread-format' to customize the individual " |
| 1213 | "thread listings.", |
| 1214 | "thread list", |
| 1215 | eCommandRequiresProcess | eCommandTryTargetAPILock | |
| 1216 | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) {} |
| 1217 | |
| 1218 | ~CommandObjectThreadList() override = default; |
| 1219 | |
| 1220 | protected: |
| 1221 | bool DoExecute(Args &command, CommandReturnObject &result) override { |
| 1222 | Stream &strm = result.GetOutputStream(); |
| 1223 | result.SetStatus(eReturnStatusSuccessFinishNoResult); |
| 1224 | Process *process = m_exe_ctx.GetProcessPtr(); |
| 1225 | const bool only_threads_with_stop_reason = false; |
| 1226 | const uint32_t start_frame = 0; |
| 1227 | const uint32_t num_frames = 0; |
| 1228 | const uint32_t num_frames_with_source = 0; |
| 1229 | process->GetStatus(strm); |
| 1230 | process->GetThreadStatus(strm, only_threads_with_stop_reason, start_frame, |
| 1231 | num_frames, num_frames_with_source, false); |
| 1232 | return result.Succeeded(); |
| 1233 | } |
| 1234 | }; |
| 1235 | |
| 1236 | // CommandObjectThreadInfo |
| 1237 | #define LLDB_OPTIONS_thread_info |
| 1238 | #include "CommandOptions.inc" |
| 1239 | |
| 1240 | class CommandObjectThreadInfo : public CommandObjectIterateOverThreads { |
| 1241 | public: |
| 1242 | class CommandOptions : public Options { |
| 1243 | public: |
| 1244 | CommandOptions() { OptionParsingStarting(nullptr); } |
| 1245 | |
| 1246 | ~CommandOptions() override = default; |
| 1247 | |
| 1248 | void OptionParsingStarting(ExecutionContext *execution_context) override { |
| 1249 | m_json_thread = false; |
| 1250 | m_json_stopinfo = false; |
| 1251 | } |
| 1252 | |
| 1253 | Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, |
| 1254 | ExecutionContext *execution_context) override { |
| 1255 | const int short_option = m_getopt_table[option_idx].val; |
| 1256 | Status error; |
| 1257 | |
| 1258 | switch (short_option) { |
| 1259 | case 'j': |
| 1260 | m_json_thread = true; |
| 1261 | break; |
| 1262 | |
| 1263 | case 's': |
| 1264 | m_json_stopinfo = true; |
| 1265 | break; |
| 1266 | |
| 1267 | default: |
| 1268 | llvm_unreachable("Unimplemented option")::llvm::llvm_unreachable_internal("Unimplemented option", "lldb/source/Commands/CommandObjectThread.cpp" , 1268); |
| 1269 | } |
| 1270 | return error; |
| 1271 | } |
| 1272 | |
| 1273 | llvm::ArrayRef<OptionDefinition> GetDefinitions() override { |
| 1274 | return llvm::ArrayRef(g_thread_info_options); |
| 1275 | } |
| 1276 | |
| 1277 | bool m_json_thread; |
| 1278 | bool m_json_stopinfo; |
| 1279 | }; |
| 1280 | |
| 1281 | CommandObjectThreadInfo(CommandInterpreter &interpreter) |
| 1282 | : CommandObjectIterateOverThreads( |
| 1283 | interpreter, "thread info", |
| 1284 | "Show an extended summary of one or " |
| 1285 | "more threads. Defaults to the " |
| 1286 | "current thread.", |
| 1287 | "thread info", |
| 1288 | eCommandRequiresProcess | eCommandTryTargetAPILock | |
| 1289 | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) { |
| 1290 | m_add_return = false; |
| 1291 | } |
| 1292 | |
| 1293 | ~CommandObjectThreadInfo() override = default; |
| 1294 | |
| 1295 | void |
| 1296 | HandleArgumentCompletion(CompletionRequest &request, |
| 1297 | OptionElementVector &opt_element_vector) override { |
| 1298 | CommandCompletions::InvokeCommonCompletionCallbacks( |
| 1299 | GetCommandInterpreter(), CommandCompletions::eThreadIndexCompletion, |
| 1300 | request, nullptr); |
| 1301 | } |
| 1302 | |
| 1303 | Options *GetOptions() override { return &m_options; } |
| 1304 | |
| 1305 | bool HandleOneThread(lldb::tid_t tid, CommandReturnObject &result) override { |
| 1306 | ThreadSP thread_sp = |
| 1307 | m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid); |
| 1308 | if (!thread_sp) { |
| 1309 | result.AppendErrorWithFormat("thread no longer exists: 0x%" PRIx64"l" "x" "\n", |
| 1310 | tid); |
| 1311 | return false; |
| 1312 | } |
| 1313 | |
| 1314 | Thread *thread = thread_sp.get(); |
| 1315 | |
| 1316 | Stream &strm = result.GetOutputStream(); |
| 1317 | if (!thread->GetDescription(strm, eDescriptionLevelFull, |
| 1318 | m_options.m_json_thread, |
| 1319 | m_options.m_json_stopinfo)) { |
| 1320 | result.AppendErrorWithFormat("error displaying info for thread: \"%d\"\n", |
| 1321 | thread->GetIndexID()); |
| 1322 | return false; |
| 1323 | } |
| 1324 | return true; |
| 1325 | } |
| 1326 | |
| 1327 | CommandOptions m_options; |
| 1328 | }; |
| 1329 | |
| 1330 | // CommandObjectThreadException |
| 1331 | |
| 1332 | class CommandObjectThreadException : public CommandObjectIterateOverThreads { |
| 1333 | public: |
| 1334 | CommandObjectThreadException(CommandInterpreter &interpreter) |
| 1335 | : CommandObjectIterateOverThreads( |
| 1336 | interpreter, "thread exception", |
| 1337 | "Display the current exception object for a thread. Defaults to " |
| 1338 | "the current thread.", |
| 1339 | "thread exception", |
| 1340 | eCommandRequiresProcess | eCommandTryTargetAPILock | |
| 1341 | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) {} |
| 1342 | |
| 1343 | ~CommandObjectThreadException() override = default; |
| 1344 | |
| 1345 | void |
| 1346 | HandleArgumentCompletion(CompletionRequest &request, |
| 1347 | OptionElementVector &opt_element_vector) override { |
| 1348 | CommandCompletions::InvokeCommonCompletionCallbacks( |
| 1349 | GetCommandInterpreter(), CommandCompletions::eThreadIndexCompletion, |
| 1350 | request, nullptr); |
| 1351 | } |
| 1352 | |
| 1353 | bool HandleOneThread(lldb::tid_t tid, CommandReturnObject &result) override { |
| 1354 | ThreadSP thread_sp = |
| 1355 | m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid); |
| 1356 | if (!thread_sp) { |
| 1357 | result.AppendErrorWithFormat("thread no longer exists: 0x%" PRIx64"l" "x" "\n", |
| 1358 | tid); |
| 1359 | return false; |
| 1360 | } |
| 1361 | |
| 1362 | Stream &strm = result.GetOutputStream(); |
| 1363 | ValueObjectSP exception_object_sp = thread_sp->GetCurrentException(); |
| 1364 | if (exception_object_sp) { |
| 1365 | exception_object_sp->Dump(strm); |
| 1366 | } |
| 1367 | |
| 1368 | ThreadSP exception_thread_sp = thread_sp->GetCurrentExceptionBacktrace(); |
| 1369 | if (exception_thread_sp && exception_thread_sp->IsValid()) { |
| 1370 | const uint32_t num_frames_with_source = 0; |
| 1371 | const bool stop_format = false; |
| 1372 | exception_thread_sp->GetStatus(strm, 0, UINT32_MAX(4294967295U), |
| 1373 | num_frames_with_source, stop_format); |
| 1374 | } |
| 1375 | |
| 1376 | return true; |
| 1377 | } |
| 1378 | }; |
| 1379 | |
| 1380 | class CommandObjectThreadSiginfo : public CommandObjectIterateOverThreads { |
| 1381 | public: |
| 1382 | CommandObjectThreadSiginfo(CommandInterpreter &interpreter) |
| 1383 | : CommandObjectIterateOverThreads( |
| 1384 | interpreter, "thread siginfo", |
| 1385 | "Display the current siginfo object for a thread. Defaults to " |
| 1386 | "the current thread.", |
| 1387 | "thread siginfo", |
| 1388 | eCommandRequiresProcess | eCommandTryTargetAPILock | |
| 1389 | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) {} |
| 1390 | |
| 1391 | ~CommandObjectThreadSiginfo() override = default; |
| 1392 | |
| 1393 | void |
| 1394 | HandleArgumentCompletion(CompletionRequest &request, |
| 1395 | OptionElementVector &opt_element_vector) override { |
| 1396 | CommandCompletions::InvokeCommonCompletionCallbacks( |
| 1397 | GetCommandInterpreter(), CommandCompletions::eThreadIndexCompletion, |
| 1398 | request, nullptr); |
| 1399 | } |
| 1400 | |
| 1401 | bool HandleOneThread(lldb::tid_t tid, CommandReturnObject &result) override { |
| 1402 | ThreadSP thread_sp = |
| 1403 | m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid); |
| 1404 | if (!thread_sp) { |
| 1405 | result.AppendErrorWithFormat("thread no longer exists: 0x%" PRIx64"l" "x" "\n", |
| 1406 | tid); |
| 1407 | return false; |
| 1408 | } |
| 1409 | |
| 1410 | Stream &strm = result.GetOutputStream(); |
| 1411 | if (!thread_sp->GetDescription(strm, eDescriptionLevelFull, false, false)) { |
| 1412 | result.AppendErrorWithFormat("error displaying info for thread: \"%d\"\n", |
| 1413 | thread_sp->GetIndexID()); |
| 1414 | return false; |
| 1415 | } |
| 1416 | ValueObjectSP exception_object_sp = thread_sp->GetSiginfoValue(); |
| 1417 | if (exception_object_sp) |
| 1418 | exception_object_sp->Dump(strm); |
| 1419 | else |
| 1420 | strm.Printf("(no siginfo)\n"); |
| 1421 | strm.PutChar('\n'); |
| 1422 | |
| 1423 | return true; |
| 1424 | } |
| 1425 | }; |
| 1426 | |
| 1427 | // CommandObjectThreadReturn |
| 1428 | #define LLDB_OPTIONS_thread_return |
| 1429 | #include "CommandOptions.inc" |
| 1430 | |
| 1431 | class CommandObjectThreadReturn : public CommandObjectRaw { |
| 1432 | public: |
| 1433 | class CommandOptions : public Options { |
| 1434 | public: |
| 1435 | CommandOptions() { |
| 1436 | // Keep default values of all options in one place: OptionParsingStarting |
| 1437 | // () |
| 1438 | OptionParsingStarting(nullptr); |
| 1439 | } |
| 1440 | |
| 1441 | ~CommandOptions() override = default; |
| 1442 | |
| 1443 | Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, |
| 1444 | ExecutionContext *execution_context) override { |
| 1445 | Status error; |
| 1446 | const int short_option = m_getopt_table[option_idx].val; |
| 1447 | |
| 1448 | switch (short_option) { |
| 1449 | case 'x': { |
| 1450 | bool success; |
| 1451 | bool tmp_value = |
| 1452 | OptionArgParser::ToBoolean(option_arg, false, &success); |
| 1453 | if (success) |
| 1454 | m_from_expression = tmp_value; |
| 1455 | else { |
| 1456 | error.SetErrorStringWithFormat( |
| 1457 | "invalid boolean value '%s' for 'x' option", |
| 1458 | option_arg.str().c_str()); |
| 1459 | } |
| 1460 | } break; |
| 1461 | default: |
| 1462 | llvm_unreachable("Unimplemented option")::llvm::llvm_unreachable_internal("Unimplemented option", "lldb/source/Commands/CommandObjectThread.cpp" , 1462); |
| 1463 | } |
| 1464 | return error; |
| 1465 | } |
| 1466 | |
| 1467 | void OptionParsingStarting(ExecutionContext *execution_context) override { |
| 1468 | m_from_expression = false; |
| 1469 | } |
| 1470 | |
| 1471 | llvm::ArrayRef<OptionDefinition> GetDefinitions() override { |
| 1472 | return llvm::ArrayRef(g_thread_return_options); |
| 1473 | } |
| 1474 | |
| 1475 | bool m_from_expression = false; |
| 1476 | |
| 1477 | // Instance variables to hold the values for command options. |
| 1478 | }; |
| 1479 | |
| 1480 | CommandObjectThreadReturn(CommandInterpreter &interpreter) |
| 1481 | : CommandObjectRaw(interpreter, "thread return", |
| 1482 | "Prematurely return from a stack frame, " |
| 1483 | "short-circuiting execution of newer frames " |
| 1484 | "and optionally yielding a specified value. Defaults " |
| 1485 | "to the exiting the current stack " |
| 1486 | "frame.", |
| 1487 | "thread return", |
| 1488 | eCommandRequiresFrame | eCommandTryTargetAPILock | |
| 1489 | eCommandProcessMustBeLaunched | |
| 1490 | eCommandProcessMustBePaused) { |
| 1491 | CommandArgumentEntry arg; |
| 1492 | CommandArgumentData expression_arg; |
| 1493 | |
| 1494 | // Define the first (and only) variant of this arg. |
| 1495 | expression_arg.arg_type = eArgTypeExpression; |
| 1496 | expression_arg.arg_repetition = eArgRepeatOptional; |
| 1497 | |
| 1498 | // There is only one variant this argument could be; put it into the |
| 1499 | // argument entry. |
| 1500 | arg.push_back(expression_arg); |
| 1501 | |
| 1502 | // Push the data for the first argument into the m_arguments vector. |
| 1503 | m_arguments.push_back(arg); |
| 1504 | } |
| 1505 | |
| 1506 | ~CommandObjectThreadReturn() override = default; |
| 1507 | |
| 1508 | Options *GetOptions() override { return &m_options; } |
| 1509 | |
| 1510 | protected: |
| 1511 | bool DoExecute(llvm::StringRef command, |
| 1512 | CommandReturnObject &result) override { |
| 1513 | // I am going to handle this by hand, because I don't want you to have to |
| 1514 | // say: |
| 1515 | // "thread return -- -5". |
| 1516 | if (command.startswith("-x")) { |
| 1517 | if (command.size() != 2U) |
| 1518 | result.AppendWarning("Return values ignored when returning from user " |
| 1519 | "called expressions"); |
| 1520 | |
| 1521 | Thread *thread = m_exe_ctx.GetThreadPtr(); |
| 1522 | Status error; |
| 1523 | error = thread->UnwindInnermostExpression(); |
| 1524 | if (!error.Success()) { |
| 1525 | result.AppendErrorWithFormat("Unwinding expression failed - %s.", |
| 1526 | error.AsCString()); |
| 1527 | } else { |
| 1528 | bool success = |
| 1529 | thread->SetSelectedFrameByIndexNoisily(0, result.GetOutputStream()); |
| 1530 | if (success) { |
| 1531 | m_exe_ctx.SetFrameSP( |
| 1532 | thread->GetSelectedFrame(DoNoSelectMostRelevantFrame)); |
| 1533 | result.SetStatus(eReturnStatusSuccessFinishResult); |
| 1534 | } else { |
| 1535 | result.AppendErrorWithFormat( |
| 1536 | "Could not select 0th frame after unwinding expression."); |
| 1537 | } |
| 1538 | } |
| 1539 | return result.Succeeded(); |
| 1540 | } |
| 1541 | |
| 1542 | ValueObjectSP return_valobj_sp; |
| 1543 | |
| 1544 | StackFrameSP frame_sp = m_exe_ctx.GetFrameSP(); |
| 1545 | uint32_t frame_idx = frame_sp->GetFrameIndex(); |
| 1546 | |
| 1547 | if (frame_sp->IsInlined()) { |
| 1548 | result.AppendError("Don't know how to return from inlined frames."); |
| 1549 | return false; |
| 1550 | } |
| 1551 | |
| 1552 | if (!command.empty()) { |
| 1553 | Target *target = m_exe_ctx.GetTargetPtr(); |
| 1554 | EvaluateExpressionOptions options; |
| 1555 | |
| 1556 | options.SetUnwindOnError(true); |
| 1557 | options.SetUseDynamic(eNoDynamicValues); |
| 1558 | |
| 1559 | ExpressionResults exe_results = eExpressionSetupError; |
| 1560 | exe_results = target->EvaluateExpression(command, frame_sp.get(), |
| 1561 | return_valobj_sp, options); |
| 1562 | if (exe_results != eExpressionCompleted) { |
| 1563 | if (return_valobj_sp) |
| 1564 | result.AppendErrorWithFormat( |
| 1565 | "Error evaluating result expression: %s", |
| 1566 | return_valobj_sp->GetError().AsCString()); |
| 1567 | else |
| 1568 | result.AppendErrorWithFormat( |
| 1569 | "Unknown error evaluating result expression."); |
| 1570 | return false; |
| 1571 | } |
| 1572 | } |
| 1573 | |
| 1574 | Status error; |
| 1575 | ThreadSP thread_sp = m_exe_ctx.GetThreadSP(); |
| 1576 | const bool broadcast = true; |
| 1577 | error = thread_sp->ReturnFromFrame(frame_sp, return_valobj_sp, broadcast); |
| 1578 | if (!error.Success()) { |
| 1579 | result.AppendErrorWithFormat( |
| 1580 | "Error returning from frame %d of thread %d: %s.", frame_idx, |
| 1581 | thread_sp->GetIndexID(), error.AsCString()); |
| 1582 | return false; |
| 1583 | } |
| 1584 | |
| 1585 | result.SetStatus(eReturnStatusSuccessFinishResult); |
| 1586 | return true; |
| 1587 | } |
| 1588 | |
| 1589 | CommandOptions m_options; |
| 1590 | }; |
| 1591 | |
| 1592 | // CommandObjectThreadJump |
| 1593 | #define LLDB_OPTIONS_thread_jump |
| 1594 | #include "CommandOptions.inc" |
| 1595 | |
| 1596 | class CommandObjectThreadJump : public CommandObjectParsed { |
| 1597 | public: |
| 1598 | class CommandOptions : public Options { |
| 1599 | public: |
| 1600 | CommandOptions() { OptionParsingStarting(nullptr); } |
| 1601 | |
| 1602 | ~CommandOptions() override = default; |
| 1603 | |
| 1604 | void OptionParsingStarting(ExecutionContext *execution_context) override { |
| 1605 | m_filenames.Clear(); |
| 1606 | m_line_num = 0; |
| 1607 | m_line_offset = 0; |
| 1608 | m_load_addr = LLDB_INVALID_ADDRESS(18446744073709551615UL); |
| 1609 | m_force = false; |
| 1610 | } |
| 1611 | |
| 1612 | Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, |
| 1613 | ExecutionContext *execution_context) override { |
| 1614 | const int short_option = m_getopt_table[option_idx].val; |
| 1615 | Status error; |
| 1616 | |
| 1617 | switch (short_option) { |
| 1618 | case 'f': |
| 1619 | m_filenames.AppendIfUnique(FileSpec(option_arg)); |
| 1620 | if (m_filenames.GetSize() > 1) |
| 1621 | return Status("only one source file expected."); |
| 1622 | break; |
| 1623 | case 'l': |
| 1624 | if (option_arg.getAsInteger(0, m_line_num)) |
| 1625 | return Status("invalid line number: '%s'.", option_arg.str().c_str()); |
| 1626 | break; |
| 1627 | case 'b': |
| 1628 | if (option_arg.getAsInteger(0, m_line_offset)) |
| 1629 | return Status("invalid line offset: '%s'.", option_arg.str().c_str()); |
| 1630 | break; |
| 1631 | case 'a': |
| 1632 | m_load_addr = OptionArgParser::ToAddress(execution_context, option_arg, |
| 1633 | LLDB_INVALID_ADDRESS(18446744073709551615UL), &error); |
| 1634 | break; |
| 1635 | case 'r': |
| 1636 | m_force = true; |
| 1637 | break; |
| 1638 | default: |
| 1639 | llvm_unreachable("Unimplemented option")::llvm::llvm_unreachable_internal("Unimplemented option", "lldb/source/Commands/CommandObjectThread.cpp" , 1639); |
| 1640 | } |
| 1641 | return error; |
| 1642 | } |
| 1643 | |
| 1644 | llvm::ArrayRef<OptionDefinition> GetDefinitions() override { |
| 1645 | return llvm::ArrayRef(g_thread_jump_options); |
| 1646 | } |
| 1647 | |
| 1648 | FileSpecList m_filenames; |
| 1649 | uint32_t m_line_num; |
| 1650 | int32_t m_line_offset; |
| 1651 | lldb::addr_t m_load_addr; |
| 1652 | bool m_force; |
| 1653 | }; |
| 1654 | |
| 1655 | CommandObjectThreadJump(CommandInterpreter &interpreter) |
| 1656 | : CommandObjectParsed( |
| 1657 | interpreter, "thread jump", |
| 1658 | "Sets the program counter to a new address.", "thread jump", |
| 1659 | eCommandRequiresFrame | eCommandTryTargetAPILock | |
| 1660 | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) {} |
| 1661 | |
| 1662 | ~CommandObjectThreadJump() override = default; |
| 1663 | |
| 1664 | Options *GetOptions() override { return &m_options; } |
| 1665 | |
| 1666 | protected: |
| 1667 | bool DoExecute(Args &args, CommandReturnObject &result) override { |
| 1668 | RegisterContext *reg_ctx = m_exe_ctx.GetRegisterContext(); |
| 1669 | StackFrame *frame = m_exe_ctx.GetFramePtr(); |
| 1670 | Thread *thread = m_exe_ctx.GetThreadPtr(); |
| 1671 | Target *target = m_exe_ctx.GetTargetPtr(); |
| 1672 | const SymbolContext &sym_ctx = |
| 1673 | frame->GetSymbolContext(eSymbolContextLineEntry); |
| 1674 | |
| 1675 | if (m_options.m_load_addr != LLDB_INVALID_ADDRESS(18446744073709551615UL)) { |
| 1676 | // Use this address directly. |
| 1677 | Address dest = Address(m_options.m_load_addr); |
| 1678 | |
| 1679 | lldb::addr_t callAddr = dest.GetCallableLoadAddress(target); |
| 1680 | if (callAddr == LLDB_INVALID_ADDRESS(18446744073709551615UL)) { |
| 1681 | result.AppendErrorWithFormat("Invalid destination address."); |
| 1682 | return false; |
| 1683 | } |
| 1684 | |
| 1685 | if (!reg_ctx->SetPC(callAddr)) { |
| 1686 | result.AppendErrorWithFormat("Error changing PC value for thread %d.", |
| 1687 | thread->GetIndexID()); |
| 1688 | return false; |
| 1689 | } |
| 1690 | } else { |
| 1691 | // Pick either the absolute line, or work out a relative one. |
| 1692 | int32_t line = (int32_t)m_options.m_line_num; |
| 1693 | if (line == 0) |
| 1694 | line = sym_ctx.line_entry.line + m_options.m_line_offset; |
| 1695 | |
| 1696 | // Try the current file, but override if asked. |
| 1697 | FileSpec file = sym_ctx.line_entry.file; |
| 1698 | if (m_options.m_filenames.GetSize() == 1) |
| 1699 | file = m_options.m_filenames.GetFileSpecAtIndex(0); |
| 1700 | |
| 1701 | if (!file) { |
| 1702 | result.AppendErrorWithFormat( |
| 1703 | "No source file available for the current location."); |
| 1704 | return false; |
| 1705 | } |
| 1706 | |
| 1707 | std::string warnings; |
| 1708 | Status err = thread->JumpToLine(file, line, m_options.m_force, &warnings); |
| 1709 | |
| 1710 | if (err.Fail()) { |
| 1711 | result.SetError(err); |
| 1712 | return false; |
| 1713 | } |
| 1714 | |
| 1715 | if (!warnings.empty()) |
| 1716 | result.AppendWarning(warnings.c_str()); |
| 1717 | } |
| 1718 | |
| 1719 | result.SetStatus(eReturnStatusSuccessFinishResult); |
| 1720 | return true; |
| 1721 | } |
| 1722 | |
| 1723 | CommandOptions m_options; |
| 1724 | }; |
| 1725 | |
| 1726 | // Next are the subcommands of CommandObjectMultiwordThreadPlan |
| 1727 | |
| 1728 | // CommandObjectThreadPlanList |
| 1729 | #define LLDB_OPTIONS_thread_plan_list |
| 1730 | #include "CommandOptions.inc" |
| 1731 | |
| 1732 | class CommandObjectThreadPlanList : public CommandObjectIterateOverThreads { |
| 1733 | public: |
| 1734 | class CommandOptions : public Options { |
| 1735 | public: |
| 1736 | CommandOptions() { |
| 1737 | // Keep default values of all options in one place: OptionParsingStarting |
| 1738 | // () |
| 1739 | OptionParsingStarting(nullptr); |
| 1740 | } |
| 1741 | |
| 1742 | ~CommandOptions() override = default; |
| 1743 | |
| 1744 | Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, |
| 1745 | ExecutionContext *execution_context) override { |
| 1746 | const int short_option = m_getopt_table[option_idx].val; |
| 1747 | |
| 1748 | switch (short_option) { |
| 1749 | case 'i': |
| 1750 | m_internal = true; |
| 1751 | break; |
| 1752 | case 't': |
| 1753 | lldb::tid_t tid; |
| 1754 | if (option_arg.getAsInteger(0, tid)) |
| 1755 | return Status("invalid tid: '%s'.", option_arg.str().c_str()); |
| 1756 | m_tids.push_back(tid); |
| 1757 | break; |
| 1758 | case 'u': |
| 1759 | m_unreported = false; |
| 1760 | break; |
| 1761 | case 'v': |
| 1762 | m_verbose = true; |
| 1763 | break; |
| 1764 | default: |
| 1765 | llvm_unreachable("Unimplemented option")::llvm::llvm_unreachable_internal("Unimplemented option", "lldb/source/Commands/CommandObjectThread.cpp" , 1765); |
| 1766 | } |
| 1767 | return {}; |
| 1768 | } |
| 1769 | |
| 1770 | void OptionParsingStarting(ExecutionContext *execution_context) override { |
| 1771 | m_verbose = false; |
| 1772 | m_internal = false; |
| 1773 | m_unreported = true; // The variable is "skip unreported" and we want to |
| 1774 | // skip unreported by default. |
| 1775 | m_tids.clear(); |
| 1776 | } |
| 1777 | |
| 1778 | llvm::ArrayRef<OptionDefinition> GetDefinitions() override { |
| 1779 | return llvm::ArrayRef(g_thread_plan_list_options); |
| 1780 | } |
| 1781 | |
| 1782 | // Instance variables to hold the values for command options. |
| 1783 | bool m_verbose; |
| 1784 | bool m_internal; |
| 1785 | bool m_unreported; |
| 1786 | std::vector<lldb::tid_t> m_tids; |
| 1787 | }; |
| 1788 | |
| 1789 | CommandObjectThreadPlanList(CommandInterpreter &interpreter) |
| 1790 | : CommandObjectIterateOverThreads( |
| 1791 | interpreter, "thread plan list", |
| 1792 | "Show thread plans for one or more threads. If no threads are " |
| 1793 | "specified, show the " |
| 1794 | "current thread. Use the thread-index \"all\" to see all threads.", |
| 1795 | nullptr, |
| 1796 | eCommandRequiresProcess | eCommandRequiresThread | |
| 1797 | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched | |
| 1798 | eCommandProcessMustBePaused) {} |
| 1799 | |
| 1800 | ~CommandObjectThreadPlanList() override = default; |
| 1801 | |
| 1802 | Options *GetOptions() override { return &m_options; } |
| 1803 | |
| 1804 | bool DoExecute(Args &command, CommandReturnObject &result) override { |
| 1805 | // If we are reporting all threads, dispatch to the Process to do that: |
| 1806 | if (command.GetArgumentCount() == 0 && m_options.m_tids.empty()) { |
| 1807 | Stream &strm = result.GetOutputStream(); |
| 1808 | DescriptionLevel desc_level = m_options.m_verbose |
| 1809 | ? eDescriptionLevelVerbose |
| 1810 | : eDescriptionLevelFull; |
| 1811 | m_exe_ctx.GetProcessPtr()->DumpThreadPlans( |
| 1812 | strm, desc_level, m_options.m_internal, true, m_options.m_unreported); |
| 1813 | result.SetStatus(eReturnStatusSuccessFinishResult); |
| 1814 | return true; |
| 1815 | } else { |
| 1816 | // Do any TID's that the user may have specified as TID, then do any |
| 1817 | // Thread Indexes... |
| 1818 | if (!m_options.m_tids.empty()) { |
| 1819 | Process *process = m_exe_ctx.GetProcessPtr(); |
| 1820 | StreamString tmp_strm; |
| 1821 | for (lldb::tid_t tid : m_options.m_tids) { |
| 1822 | bool success = process->DumpThreadPlansForTID( |
| 1823 | tmp_strm, tid, eDescriptionLevelFull, m_options.m_internal, |
| 1824 | true /* condense_trivial */, m_options.m_unreported); |
| 1825 | // If we didn't find a TID, stop here and return an error. |
| 1826 | if (!success) { |
| 1827 | result.AppendError("Error dumping plans:"); |
| 1828 | result.AppendError(tmp_strm.GetString()); |
| 1829 | return false; |
| 1830 | } |
| 1831 | // Otherwise, add our data to the output: |
| 1832 | result.GetOutputStream() << tmp_strm.GetString(); |
| 1833 | } |
| 1834 | } |
| 1835 | return CommandObjectIterateOverThreads::DoExecute(command, result); |
| 1836 | } |
| 1837 | } |
| 1838 | |
| 1839 | protected: |
| 1840 | bool HandleOneThread(lldb::tid_t tid, CommandReturnObject &result) override { |
| 1841 | // If we have already handled this from a -t option, skip it here. |
| 1842 | if (llvm::is_contained(m_options.m_tids, tid)) |
| 1843 | return true; |
| 1844 | |
| 1845 | Process *process = m_exe_ctx.GetProcessPtr(); |
| 1846 | |
| 1847 | Stream &strm = result.GetOutputStream(); |
| 1848 | DescriptionLevel desc_level = eDescriptionLevelFull; |
| 1849 | if (m_options.m_verbose) |
| 1850 | desc_level = eDescriptionLevelVerbose; |
| 1851 | |
| 1852 | process->DumpThreadPlansForTID(strm, tid, desc_level, m_options.m_internal, |
| 1853 | true /* condense_trivial */, |
| 1854 | m_options.m_unreported); |
| 1855 | return true; |
| 1856 | } |
| 1857 | |
| 1858 | CommandOptions m_options; |
| 1859 | }; |
| 1860 | |
| 1861 | class CommandObjectThreadPlanDiscard : public CommandObjectParsed { |
| 1862 | public: |
| 1863 | CommandObjectThreadPlanDiscard(CommandInterpreter &interpreter) |
| 1864 | : CommandObjectParsed(interpreter, "thread plan discard", |
| 1865 | "Discards thread plans up to and including the " |
| 1866 | "specified index (see 'thread plan list'.) " |
| 1867 | "Only user visible plans can be discarded.", |
| 1868 | nullptr, |
| 1869 | eCommandRequiresProcess | eCommandRequiresThread | |
| 1870 | eCommandTryTargetAPILock | |
| 1871 | eCommandProcessMustBeLaunched | |
| 1872 | eCommandProcessMustBePaused) { |
| 1873 | CommandArgumentEntry arg; |
| 1874 | CommandArgumentData plan_index_arg; |
| 1875 | |
| 1876 | // Define the first (and only) variant of this arg. |
| 1877 | plan_index_arg.arg_type = eArgTypeUnsignedInteger; |
| 1878 | plan_index_arg.arg_repetition = eArgRepeatPlain; |
| 1879 | |
| 1880 | // There is only one variant this argument could be; put it into the |
| 1881 | // argument entry. |
| 1882 | arg.push_back(plan_index_arg); |
| 1883 | |
| 1884 | // Push the data for the first argument into the m_arguments vector. |
| 1885 | m_arguments.push_back(arg); |
| 1886 | } |
| 1887 | |
| 1888 | ~CommandObjectThreadPlanDiscard() override = default; |
| 1889 | |
| 1890 | void |
| 1891 | HandleArgumentCompletion(CompletionRequest &request, |
| 1892 | OptionElementVector &opt_element_vector) override { |
| 1893 | if (!m_exe_ctx.HasThreadScope() || request.GetCursorIndex()) |
| 1894 | return; |
| 1895 | |
| 1896 | m_exe_ctx.GetThreadPtr()->AutoCompleteThreadPlans(request); |
| 1897 | } |
| 1898 | |
| 1899 | bool DoExecute(Args &args, CommandReturnObject &result) override { |
| 1900 | Thread *thread = m_exe_ctx.GetThreadPtr(); |
| 1901 | if (args.GetArgumentCount() != 1) { |
| 1902 | result.AppendErrorWithFormat("Too many arguments, expected one - the " |
| 1903 | "thread plan index - but got %zu.", |
| 1904 | args.GetArgumentCount()); |
| 1905 | return false; |
| 1906 | } |
| 1907 | |
| 1908 | uint32_t thread_plan_idx; |
| 1909 | if (!llvm::to_integer(args.GetArgumentAtIndex(0), thread_plan_idx)) { |
| 1910 | result.AppendErrorWithFormat( |
| 1911 | "Invalid thread index: \"%s\" - should be unsigned int.", |
| 1912 | args.GetArgumentAtIndex(0)); |
| 1913 | return false; |
| 1914 | } |
| 1915 | |
| 1916 | if (thread_plan_idx == 0) { |
| 1917 | result.AppendErrorWithFormat( |
| 1918 | "You wouldn't really want me to discard the base thread plan."); |
| 1919 | return false; |
| 1920 | } |
| 1921 | |
| 1922 | if (thread->DiscardUserThreadPlansUpToIndex(thread_plan_idx)) { |
| 1923 | result.SetStatus(eReturnStatusSuccessFinishNoResult); |
| 1924 | return true; |
| 1925 | } else { |
| 1926 | result.AppendErrorWithFormat( |
| 1927 | "Could not find User thread plan with index %s.", |
| 1928 | args.GetArgumentAtIndex(0)); |
| 1929 | return false; |
| 1930 | } |
| 1931 | } |
| 1932 | }; |
| 1933 | |
| 1934 | class CommandObjectThreadPlanPrune : public CommandObjectParsed { |
| 1935 | public: |
| 1936 | CommandObjectThreadPlanPrune(CommandInterpreter &interpreter) |
| 1937 | : CommandObjectParsed(interpreter, "thread plan prune", |
| 1938 | "Removes any thread plans associated with " |
| 1939 | "currently unreported threads. " |
| 1940 | "Specify one or more TID's to remove, or if no " |
| 1941 | "TID's are provides, remove threads for all " |
| 1942 | "unreported threads", |
| 1943 | nullptr, |
| 1944 | eCommandRequiresProcess | |
| 1945 | eCommandTryTargetAPILock | |
| 1946 | eCommandProcessMustBeLaunched | |
| 1947 | eCommandProcessMustBePaused) { |
| 1948 | CommandArgumentEntry arg; |
| 1949 | CommandArgumentData tid_arg; |
| 1950 | |
| 1951 | // Define the first (and only) variant of this arg. |
| 1952 | tid_arg.arg_type = eArgTypeThreadID; |
| 1953 | tid_arg.arg_repetition = eArgRepeatStar; |
| 1954 | |
| 1955 | // There is only one variant this argument could be; put it into the |
| 1956 | // argument entry. |
| 1957 | arg.push_back(tid_arg); |
| 1958 | |
| 1959 | // Push the data for the first argument into the m_arguments vector. |
| 1960 | m_arguments.push_back(arg); |
| 1961 | } |
| 1962 | |
| 1963 | ~CommandObjectThreadPlanPrune() override = default; |
| 1964 | |
| 1965 | bool DoExecute(Args &args, CommandReturnObject &result) override { |
| 1966 | Process *process = m_exe_ctx.GetProcessPtr(); |
| 1967 | |
| 1968 | if (args.GetArgumentCount() == 0) { |
| 1969 | process->PruneThreadPlans(); |
| 1970 | result.SetStatus(eReturnStatusSuccessFinishNoResult); |
| 1971 | return true; |
| 1972 | } |
| 1973 | |
| 1974 | const size_t num_args = args.GetArgumentCount(); |
| 1975 | |
| 1976 | std::lock_guard<std::recursive_mutex> guard( |
| 1977 | process->GetThreadList().GetMutex()); |
| 1978 | |
| 1979 | for (size_t i = 0; i < num_args; i++) { |
| 1980 | lldb::tid_t tid; |
| 1981 | if (!llvm::to_integer(args.GetArgumentAtIndex(i), tid)) { |
| 1982 | result.AppendErrorWithFormat("invalid thread specification: \"%s\"\n", |
| 1983 | args.GetArgumentAtIndex(i)); |
| 1984 | return false; |
| 1985 | } |
| 1986 | if (!process->PruneThreadPlansForTID(tid)) { |
| 1987 | result.AppendErrorWithFormat("Could not find unreported tid: \"%s\"\n", |
| 1988 | args.GetArgumentAtIndex(i)); |
| 1989 | return false; |
| 1990 | } |
| 1991 | } |
| 1992 | result.SetStatus(eReturnStatusSuccessFinishNoResult); |
| 1993 | return true; |
| 1994 | } |
| 1995 | }; |
| 1996 | |
| 1997 | // CommandObjectMultiwordThreadPlan |
| 1998 | |
| 1999 | class CommandObjectMultiwordThreadPlan : public CommandObjectMultiword { |
| 2000 | public: |
| 2001 | CommandObjectMultiwordThreadPlan(CommandInterpreter &interpreter) |
| 2002 | : CommandObjectMultiword( |
| 2003 | interpreter, "plan", |
| 2004 | "Commands for managing thread plans that control execution.", |
| 2005 | "thread plan <subcommand> [<subcommand objects]") { |
| 2006 | LoadSubCommand( |
| 2007 | "list", CommandObjectSP(new CommandObjectThreadPlanList(interpreter))); |
| 2008 | LoadSubCommand( |
| 2009 | "discard", |
| 2010 | CommandObjectSP(new CommandObjectThreadPlanDiscard(interpreter))); |
| 2011 | LoadSubCommand( |
| 2012 | "prune", |
| 2013 | CommandObjectSP(new CommandObjectThreadPlanPrune(interpreter))); |
| 2014 | } |
| 2015 | |
| 2016 | ~CommandObjectMultiwordThreadPlan() override = default; |
| 2017 | }; |
| 2018 | |
| 2019 | // Next are the subcommands of CommandObjectMultiwordTrace |
| 2020 | |
| 2021 | // CommandObjectTraceExport |
| 2022 | |
| 2023 | class CommandObjectTraceExport : public CommandObjectMultiword { |
| 2024 | public: |
| 2025 | CommandObjectTraceExport(CommandInterpreter &interpreter) |
| 2026 | : CommandObjectMultiword( |
| 2027 | interpreter, "trace thread export", |
| 2028 | "Commands for exporting traces of the threads in the current " |
| 2029 | "process to different formats.", |
| 2030 | "thread trace export <export-plugin> [<subcommand objects>]") { |
| 2031 | |
| 2032 | unsigned i = 0; |
| 2033 | for (llvm::StringRef plugin_name = |
| 2034 | PluginManager::GetTraceExporterPluginNameAtIndex(i); |
| 2035 | !plugin_name.empty(); |
| 2036 | plugin_name = PluginManager::GetTraceExporterPluginNameAtIndex(i++)) { |
| 2037 | if (ThreadTraceExportCommandCreator command_creator = |
| 2038 | PluginManager::GetThreadTraceExportCommandCreatorAtIndex(i)) { |
| 2039 | LoadSubCommand(plugin_name, command_creator(interpreter)); |
| 2040 | } |
| 2041 | } |
| 2042 | } |
| 2043 | }; |
| 2044 | |
| 2045 | // CommandObjectTraceStart |
| 2046 | |
| 2047 | class CommandObjectTraceStart : public CommandObjectTraceProxy { |
| 2048 | public: |
| 2049 | CommandObjectTraceStart(CommandInterpreter &interpreter) |
| 2050 | : CommandObjectTraceProxy( |
| 2051 | /*live_debug_session_only=*/true, interpreter, "thread trace start", |
| 2052 | "Start tracing threads with the corresponding trace " |
| 2053 | "plug-in for the current process.", |
| 2054 | "thread trace start [<trace-options>]") {} |
| 2055 | |
| 2056 | protected: |
| 2057 | lldb::CommandObjectSP GetDelegateCommand(Trace &trace) override { |
| 2058 | return trace.GetThreadTraceStartCommand(m_interpreter); |
| 2059 | } |
| 2060 | }; |
| 2061 | |
| 2062 | // CommandObjectTraceStop |
| 2063 | |
| 2064 | class CommandObjectTraceStop : public CommandObjectMultipleThreads { |
| 2065 | public: |
| 2066 | CommandObjectTraceStop(CommandInterpreter &interpreter) |
| 2067 | : CommandObjectMultipleThreads( |
| 2068 | interpreter, "thread trace stop", |
| 2069 | "Stop tracing threads, including the ones traced with the " |
| 2070 | "\"process trace start\" command." |
| 2071 | "Defaults to the current thread. Thread indices can be " |
| 2072 | "specified as arguments.\n Use the thread-index \"all\" to stop " |
| 2073 | "tracing " |
| 2074 | "for all existing threads.", |
| 2075 | "thread trace stop [<thread-index> <thread-index> ...]", |
| 2076 | eCommandRequiresProcess | eCommandTryTargetAPILock | |
| 2077 | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused | |
| 2078 | eCommandProcessMustBeTraced) {} |
| 2079 | |
| 2080 | ~CommandObjectTraceStop() override = default; |
| 2081 | |
| 2082 | bool DoExecuteOnThreads(Args &command, CommandReturnObject &result, |
| 2083 | llvm::ArrayRef<lldb::tid_t> tids) override { |
| 2084 | ProcessSP process_sp = m_exe_ctx.GetProcessSP(); |
| 2085 | |
| 2086 | TraceSP trace_sp = process_sp->GetTarget().GetTrace(); |
| 2087 | |
| 2088 | if (llvm::Error err = trace_sp->Stop(tids)) |
| 2089 | result.AppendError(toString(std::move(err))); |
| 2090 | else |
| 2091 | result.SetStatus(eReturnStatusSuccessFinishResult); |
| 2092 | |
| 2093 | return result.Succeeded(); |
| 2094 | } |
| 2095 | }; |
| 2096 | |
| 2097 | static ThreadSP GetSingleThreadFromArgs(ExecutionContext &exe_ctx, Args &args, |
| 2098 | CommandReturnObject &result) { |
| 2099 | if (args.GetArgumentCount() == 0) |
| 2100 | return exe_ctx.GetThreadSP(); |
| 2101 | |
| 2102 | const char *arg = args.GetArgumentAtIndex(0); |
| 2103 | uint32_t thread_idx; |
| 2104 | |
| 2105 | if (!llvm::to_integer(arg, thread_idx)) { |
| 2106 | result.AppendErrorWithFormat("invalid thread specification: \"%s\"\n", arg); |
| 2107 | return nullptr; |
| 2108 | } |
| 2109 | ThreadSP thread_sp = |
| 2110 | exe_ctx.GetProcessRef().GetThreadList().FindThreadByIndexID(thread_idx); |
| 2111 | if (!thread_sp) |
| 2112 | result.AppendErrorWithFormat("no thread with index: \"%s\"\n", arg); |
| 2113 | return thread_sp; |
| 2114 | } |
| 2115 | |
| 2116 | // CommandObjectTraceDumpFunctionCalls |
| 2117 | #define LLDB_OPTIONS_thread_trace_dump_function_calls |
| 2118 | #include "CommandOptions.inc" |
| 2119 | |
| 2120 | class CommandObjectTraceDumpFunctionCalls : public CommandObjectParsed { |
| 2121 | public: |
| 2122 | class CommandOptions : public Options { |
| 2123 | public: |
| 2124 | CommandOptions() { OptionParsingStarting(nullptr); } |
| 2125 | |
| 2126 | ~CommandOptions() override = default; |
| 2127 | |
| 2128 | Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, |
| 2129 | ExecutionContext *execution_context) override { |
| 2130 | Status error; |
| 2131 | const int short_option = m_getopt_table[option_idx].val; |
| 2132 | |
| 2133 | switch (short_option) { |
| 2134 | case 'j': { |
| 2135 | m_dumper_options.json = true; |
| 2136 | break; |
| 2137 | } |
| 2138 | case 'J': { |
| 2139 | m_dumper_options.json = true; |
| 2140 | m_dumper_options.pretty_print_json = true; |
| 2141 | break; |
| 2142 | } |
| 2143 | case 'F': { |
| 2144 | m_output_file.emplace(option_arg); |
| 2145 | break; |
| 2146 | } |
| 2147 | default: |
| 2148 | llvm_unreachable("Unimplemented option")::llvm::llvm_unreachable_internal("Unimplemented option", "lldb/source/Commands/CommandObjectThread.cpp" , 2148); |
| 2149 | } |
| 2150 | return error; |
| 2151 | } |
| 2152 | |
| 2153 | void OptionParsingStarting(ExecutionContext *execution_context) override { |
| 2154 | m_dumper_options = {}; |
| 2155 | m_output_file = std::nullopt; |
| 2156 | } |
| 2157 | |
| 2158 | llvm::ArrayRef<OptionDefinition> GetDefinitions() override { |
| 2159 | return llvm::ArrayRef(g_thread_trace_dump_function_calls_options); |
| 2160 | } |
| 2161 | |
| 2162 | static const size_t kDefaultCount = 20; |
| 2163 | |
| 2164 | // Instance variables to hold the values for command options. |
| 2165 | TraceDumperOptions m_dumper_options; |
| 2166 | std::optional<FileSpec> m_output_file; |
| 2167 | }; |
| 2168 | |
| 2169 | CommandObjectTraceDumpFunctionCalls(CommandInterpreter &interpreter) |
| 2170 | : CommandObjectParsed( |
| 2171 | interpreter, "thread trace dump function-calls", |
| 2172 | "Dump the traced function-calls for one thread. If no " |
| 2173 | "thread is specified, the current thread is used.", |
| 2174 | nullptr, |
| 2175 | eCommandRequiresProcess | eCommandRequiresThread | |
| 2176 | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched | |
| 2177 | eCommandProcessMustBePaused | eCommandProcessMustBeTraced) { |
| 2178 | CommandArgumentData thread_arg{eArgTypeThreadIndex, eArgRepeatOptional}; |
| 2179 | m_arguments.push_back({thread_arg}); |
| 2180 | } |
| 2181 | |
| 2182 | ~CommandObjectTraceDumpFunctionCalls() override = default; |
| 2183 | |
| 2184 | Options *GetOptions() override { return &m_options; } |
| 2185 | |
| 2186 | protected: |
| 2187 | bool DoExecute(Args &args, CommandReturnObject &result) override { |
| 2188 | ThreadSP thread_sp = GetSingleThreadFromArgs(m_exe_ctx, args, result); |
| 2189 | if (!thread_sp) { |
| 2190 | result.AppendError("invalid thread\n"); |
| 2191 | return false; |
| 2192 | } |
| 2193 | |
| 2194 | llvm::Expected<TraceCursorSP> cursor_or_error = |
| 2195 | m_exe_ctx.GetTargetSP()->GetTrace()->CreateNewCursor(*thread_sp); |
| 2196 | |
| 2197 | if (!cursor_or_error) { |
| 2198 | result.AppendError(llvm::toString(cursor_or_error.takeError())); |
| 2199 | return false; |
| 2200 | } |
| 2201 | TraceCursorSP &cursor_sp = *cursor_or_error; |
| 2202 | |
| 2203 | std::optional<StreamFile> out_file; |
| 2204 | if (m_options.m_output_file) { |
| 2205 | out_file.emplace(m_options.m_output_file->GetPath().c_str(), |
| 2206 | File::eOpenOptionWriteOnly | File::eOpenOptionCanCreate | |
| 2207 | File::eOpenOptionTruncate); |
| 2208 | } |
| 2209 | |
| 2210 | m_options.m_dumper_options.forwards = true; |
| 2211 | |
| 2212 | TraceDumper dumper(std::move(cursor_sp), |
| 2213 | out_file ? *out_file : result.GetOutputStream(), |
| 2214 | m_options.m_dumper_options); |
| 2215 | |
| 2216 | dumper.DumpFunctionCalls(); |
| 2217 | return true; |
| 2218 | } |
| 2219 | |
| 2220 | CommandOptions m_options; |
| 2221 | }; |
| 2222 | |
| 2223 | // CommandObjectTraceDumpInstructions |
| 2224 | #define LLDB_OPTIONS_thread_trace_dump_instructions |
| 2225 | #include "CommandOptions.inc" |
| 2226 | |
| 2227 | class CommandObjectTraceDumpInstructions : public CommandObjectParsed { |
| 2228 | public: |
| 2229 | class CommandOptions : public Options { |
| 2230 | public: |
| 2231 | CommandOptions() { OptionParsingStarting(nullptr); } |
| 2232 | |
| 2233 | ~CommandOptions() override = default; |
| 2234 | |
| 2235 | Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, |
| 2236 | ExecutionContext *execution_context) override { |
| 2237 | Status error; |
| 2238 | const int short_option = m_getopt_table[option_idx].val; |
| 2239 | |
| 2240 | switch (short_option) { |
| 2241 | case 'c': { |
| 2242 | int32_t count; |
| 2243 | if (option_arg.empty() || option_arg.getAsInteger(0, count) || |
| 2244 | count < 0) |
| 2245 | error.SetErrorStringWithFormat( |
| 2246 | "invalid integer value for option '%s'", |
| 2247 | option_arg.str().c_str()); |
| 2248 | else |
| 2249 | m_count = count; |
| 2250 | break; |
| 2251 | } |
| 2252 | case 'a': { |
| 2253 | m_count = std::numeric_limits<decltype(m_count)>::max(); |
| 2254 | break; |
| 2255 | } |
| 2256 | case 's': { |
| 2257 | int32_t skip; |
| 2258 | if (option_arg.empty() || option_arg.getAsInteger(0, skip) || skip < 0) |
| 2259 | error.SetErrorStringWithFormat( |
| 2260 | "invalid integer value for option '%s'", |
| 2261 | option_arg.str().c_str()); |
| 2262 | else |
| 2263 | m_dumper_options.skip = skip; |
| 2264 | break; |
| 2265 | } |
| 2266 | case 'i': { |
| 2267 | uint64_t id; |
| 2268 | if (option_arg.empty() || option_arg.getAsInteger(0, id)) |
| 2269 | error.SetErrorStringWithFormat( |
| 2270 | "invalid integer value for option '%s'", |
| 2271 | option_arg.str().c_str()); |
| 2272 | else |
| 2273 | m_dumper_options.id = id; |
| 2274 | break; |
| 2275 | } |
| 2276 | case 'F': { |
| 2277 | m_output_file.emplace(option_arg); |
| 2278 | break; |
| 2279 | } |
| 2280 | case 'r': { |
| 2281 | m_dumper_options.raw = true; |
| 2282 | break; |
| 2283 | } |
| 2284 | case 'f': { |
| 2285 | m_dumper_options.forwards = true; |
| 2286 | break; |
| 2287 | } |
| 2288 | case 'k': { |
| 2289 | m_dumper_options.show_control_flow_kind = true; |
| 2290 | break; |
| 2291 | } |
| 2292 | case 't': { |
| 2293 | m_dumper_options.show_timestamps = true; |
| 2294 | break; |
| 2295 | } |
| 2296 | case 'e': { |
| 2297 | m_dumper_options.show_events = true; |
| 2298 | break; |
| 2299 | } |
| 2300 | case 'j': { |
| 2301 | m_dumper_options.json = true; |
| 2302 | break; |
| 2303 | } |
| 2304 | case 'J': { |
| 2305 | m_dumper_options.pretty_print_json = true; |
| 2306 | m_dumper_options.json = true; |
| 2307 | break; |
| 2308 | } |
| 2309 | case 'E': { |
| 2310 | m_dumper_options.only_events = true; |
| 2311 | m_dumper_options.show_events = true; |
| 2312 | break; |
| 2313 | } |
| 2314 | case 'C': { |
| 2315 | m_continue = true; |
| 2316 | break; |
| 2317 | } |
| 2318 | default: |
| 2319 | llvm_unreachable("Unimplemented option")::llvm::llvm_unreachable_internal("Unimplemented option", "lldb/source/Commands/CommandObjectThread.cpp" , 2319); |
| 2320 | } |
| 2321 | return error; |
| 2322 | } |
| 2323 | |
| 2324 | void OptionParsingStarting(ExecutionContext *execution_context) override { |
| 2325 | m_count = kDefaultCount; |
| 2326 | m_continue = false; |
| 2327 | m_output_file = std::nullopt; |
| 2328 | m_dumper_options = {}; |
| 2329 | } |
| 2330 | |
| 2331 | llvm::ArrayRef<OptionDefinition> GetDefinitions() override { |
| 2332 | return llvm::ArrayRef(g_thread_trace_dump_instructions_options); |
| 2333 | } |
| 2334 | |
| 2335 | static const size_t kDefaultCount = 20; |
| 2336 | |
| 2337 | // Instance variables to hold the values for command options. |
| 2338 | size_t m_count; |
| 2339 | size_t m_continue; |
| 2340 | std::optional<FileSpec> m_output_file; |
| 2341 | TraceDumperOptions m_dumper_options; |
| 2342 | }; |
| 2343 | |
| 2344 | CommandObjectTraceDumpInstructions(CommandInterpreter &interpreter) |
| 2345 | : CommandObjectParsed( |
| 2346 | interpreter, "thread trace dump instructions", |
| 2347 | "Dump the traced instructions for one thread. If no " |
| 2348 | "thread is specified, show the current thread.", |
| 2349 | nullptr, |
| 2350 | eCommandRequiresProcess | eCommandRequiresThread | |
| 2351 | eCommandTryTargetAPILock | eCommandProcessMustBeLaunched | |
| 2352 | eCommandProcessMustBePaused | eCommandProcessMustBeTraced) { |
| 2353 | CommandArgumentData thread_arg{eArgTypeThreadIndex, eArgRepeatOptional}; |
| 2354 | m_arguments.push_back({thread_arg}); |
| 2355 | } |
| 2356 | |
| 2357 | ~CommandObjectTraceDumpInstructions() override = default; |
| 2358 | |
| 2359 | Options *GetOptions() override { return &m_options; } |
| 2360 | |
| 2361 | std::optional<std::string> GetRepeatCommand(Args ¤t_command_args, |
| 2362 | uint32_t index) override { |
| 2363 | std::string cmd; |
| 2364 | current_command_args.GetCommandString(cmd); |
| 2365 | if (cmd.find(" --continue") == std::string::npos) |
| 2366 | cmd += " --continue"; |
| 2367 | return cmd; |
| 2368 | } |
| 2369 | |
| 2370 | protected: |
| 2371 | bool DoExecute(Args &args, CommandReturnObject &result) override { |
| 2372 | ThreadSP thread_sp = GetSingleThreadFromArgs(m_exe_ctx, args, result); |
| 2373 | if (!thread_sp) { |
| 2374 | result.AppendError("invalid thread\n"); |
| 2375 | return false; |
| 2376 | } |
| 2377 | |
| 2378 | if (m_options.m_continue && m_last_id) { |
| 2379 | // We set up the options to continue one instruction past where |
| 2380 | // the previous iteration stopped. |
| 2381 | m_options.m_dumper_options.skip = 1; |
| 2382 | m_options.m_dumper_options.id = m_last_id; |
| 2383 | } |
| 2384 | |
| 2385 | llvm::Expected<TraceCursorSP> cursor_or_error = |
| 2386 | m_exe_ctx.GetTargetSP()->GetTrace()->CreateNewCursor(*thread_sp); |
| 2387 | |
| 2388 | if (!cursor_or_error) { |
| 2389 | result.AppendError(llvm::toString(cursor_or_error.takeError())); |
| 2390 | return false; |
| 2391 | } |
| 2392 | TraceCursorSP &cursor_sp = *cursor_or_error; |
| 2393 | |
| 2394 | if (m_options.m_dumper_options.id && |
| 2395 | !cursor_sp->HasId(*m_options.m_dumper_options.id)) { |
| 2396 | result.AppendError("invalid instruction id\n"); |
| 2397 | return false; |
| 2398 | } |
| 2399 | |
| 2400 | std::optional<StreamFile> out_file; |
| 2401 | if (m_options.m_output_file) { |
| 2402 | out_file.emplace(m_options.m_output_file->GetPath().c_str(), |
| 2403 | File::eOpenOptionWriteOnly | File::eOpenOptionCanCreate | |
| 2404 | File::eOpenOptionTruncate); |
| 2405 | } |
| 2406 | |
| 2407 | if (m_options.m_continue && !m_last_id) { |
| 2408 | // We need to stop processing data when we already ran out of instructions |
| 2409 | // in a previous command. We can fake this by setting the cursor past the |
| 2410 | // end of the trace. |
| 2411 | cursor_sp->Seek(1, lldb::eTraceCursorSeekTypeEnd); |
| 2412 | } |
| 2413 | |
| 2414 | TraceDumper dumper(std::move(cursor_sp), |
| 2415 | out_file ? *out_file : result.GetOutputStream(), |
| 2416 | m_options.m_dumper_options); |
| 2417 | |
| 2418 | m_last_id = dumper.DumpInstructions(m_options.m_count); |
| 2419 | return true; |
| 2420 | } |
| 2421 | |
| 2422 | CommandOptions m_options; |
| 2423 | // Last traversed id used to continue a repeat command. std::nullopt means |
| 2424 | // that all the trace has been consumed. |
| 2425 | std::optional<lldb::user_id_t> m_last_id; |
| 2426 | }; |
| 2427 | |
| 2428 | // CommandObjectTraceDumpInfo |
| 2429 | #define LLDB_OPTIONS_thread_trace_dump_info |
| 2430 | #include "CommandOptions.inc" |
| 2431 | |
| 2432 | class CommandObjectTraceDumpInfo : public CommandObjectIterateOverThreads { |
| 2433 | public: |
| 2434 | class CommandOptions : public Options { |
| 2435 | public: |
| 2436 | CommandOptions() { OptionParsingStarting(nullptr); } |
| 2437 | |
| 2438 | ~CommandOptions() override = default; |
| 2439 | |
| 2440 | Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, |
| 2441 | ExecutionContext *execution_context) override { |
| 2442 | Status error; |
| 2443 | const int short_option = m_getopt_table[option_idx].val; |
| 2444 | |
| 2445 | switch (short_option) { |
| 2446 | case 'v': { |
| 2447 | m_verbose = true; |
| 2448 | break; |
| 2449 | } |
| 2450 | case 'j': { |
| 2451 | m_json = true; |
| 2452 | break; |
| 2453 | } |
| 2454 | default: |
| 2455 | llvm_unreachable("Unimplemented option")::llvm::llvm_unreachable_internal("Unimplemented option", "lldb/source/Commands/CommandObjectThread.cpp" , 2455); |
| 2456 | } |
| 2457 | return error; |
| 2458 | } |
| 2459 | |
| 2460 | void OptionParsingStarting(ExecutionContext *execution_context) override { |
| 2461 | m_verbose = false; |
| 2462 | m_json = false; |
| 2463 | } |
| 2464 | |
| 2465 | llvm::ArrayRef<OptionDefinition> GetDefinitions() override { |
| 2466 | return llvm::ArrayRef(g_thread_trace_dump_info_options); |
| 2467 | } |
| 2468 | |
| 2469 | // Instance variables to hold the values for command options. |
| 2470 | bool m_verbose; |
| 2471 | bool m_json; |
| 2472 | }; |
| 2473 | |
| 2474 | CommandObjectTraceDumpInfo(CommandInterpreter &interpreter) |
| 2475 | : CommandObjectIterateOverThreads( |
| 2476 | interpreter, "thread trace dump info", |
| 2477 | "Dump the traced information for one or more threads. If no " |
| 2478 | "threads are specified, show the current thread. Use the " |
| 2479 | "thread-index \"all\" to see all threads.", |
| 2480 | nullptr, |
| 2481 | eCommandRequiresProcess | eCommandTryTargetAPILock | |
| 2482 | eCommandProcessMustBeLaunched | eCommandProcessMustBePaused | |
| 2483 | eCommandProcessMustBeTraced) {} |
| 2484 | |
| 2485 | ~CommandObjectTraceDumpInfo() override = default; |
| 2486 | |
| 2487 | Options *GetOptions() override { return &m_options; } |
| 2488 | |
| 2489 | protected: |
| 2490 | bool HandleOneThread(lldb::tid_t tid, CommandReturnObject &result) override { |
| 2491 | const TraceSP &trace_sp = m_exe_ctx.GetTargetSP()->GetTrace(); |
| 2492 | ThreadSP thread_sp = |
| 2493 | m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid); |
| 2494 | trace_sp->DumpTraceInfo(*thread_sp, result.GetOutputStream(), |
| 2495 | m_options.m_verbose, m_options.m_json); |
| 2496 | return true; |
| 2497 | } |
| 2498 | |
| 2499 | CommandOptions m_options; |
| 2500 | }; |
| 2501 | |
| 2502 | // CommandObjectMultiwordTraceDump |
| 2503 | class CommandObjectMultiwordTraceDump : public CommandObjectMultiword { |
| 2504 | public: |
| 2505 | CommandObjectMultiwordTraceDump(CommandInterpreter &interpreter) |
| 2506 | : CommandObjectMultiword( |
| 2507 | interpreter, "dump", |
| 2508 | "Commands for displaying trace information of the threads " |
| 2509 | "in the current process.", |
| 2510 | "thread trace dump <subcommand> [<subcommand objects>]") { |
| 2511 | LoadSubCommand( |
| 2512 | "instructions", |
| 2513 | CommandObjectSP(new CommandObjectTraceDumpInstructions(interpreter))); |
| 2514 | LoadSubCommand( |
| 2515 | "function-calls", |
| 2516 | CommandObjectSP(new CommandObjectTraceDumpFunctionCalls(interpreter))); |
| 2517 | LoadSubCommand( |
| 2518 | "info", CommandObjectSP(new CommandObjectTraceDumpInfo(interpreter))); |
| 2519 | } |
| 2520 | ~CommandObjectMultiwordTraceDump() override = default; |
| 2521 | }; |
| 2522 | |
| 2523 | // CommandObjectMultiwordTrace |
| 2524 | class CommandObjectMultiwordTrace : public CommandObjectMultiword { |
| 2525 | public: |
| 2526 | CommandObjectMultiwordTrace(CommandInterpreter &interpreter) |
| 2527 | : CommandObjectMultiword( |
| 2528 | interpreter, "trace", |
| 2529 | "Commands for operating on traces of the threads in the current " |
| 2530 | "process.", |
| 2531 | "thread trace <subcommand> [<subcommand objects>]") { |
| 2532 | LoadSubCommand("dump", CommandObjectSP(new CommandObjectMultiwordTraceDump( |
| 2533 | interpreter))); |
| 2534 | LoadSubCommand("start", |
| 2535 | CommandObjectSP(new CommandObjectTraceStart(interpreter))); |
| 2536 | LoadSubCommand("stop", |
| 2537 | CommandObjectSP(new CommandObjectTraceStop(interpreter))); |
| 2538 | LoadSubCommand("export", |
| 2539 | CommandObjectSP(new CommandObjectTraceExport(interpreter))); |
| 2540 | } |
| 2541 | |
| 2542 | ~CommandObjectMultiwordTrace() override = default; |
| 2543 | }; |
| 2544 | |
| 2545 | // CommandObjectMultiwordThread |
| 2546 | |
| 2547 | CommandObjectMultiwordThread::CommandObjectMultiwordThread( |
| 2548 | CommandInterpreter &interpreter) |
| 2549 | : CommandObjectMultiword(interpreter, "thread", |
| 2550 | "Commands for operating on " |
| 2551 | "one or more threads in " |
| 2552 | "the current process.", |
| 2553 | "thread <subcommand> [<subcommand-options>]") { |
| 2554 | LoadSubCommand("backtrace", CommandObjectSP(new CommandObjectThreadBacktrace( |
| 2555 | interpreter))); |
| 2556 | LoadSubCommand("continue", |
| 2557 | CommandObjectSP(new CommandObjectThreadContinue(interpreter))); |
| 2558 | LoadSubCommand("list", |
| 2559 | CommandObjectSP(new CommandObjectThreadList(interpreter))); |
| 2560 | LoadSubCommand("return", |
| 2561 | CommandObjectSP(new CommandObjectThreadReturn(interpreter))); |
| 2562 | LoadSubCommand("jump", |
| 2563 | CommandObjectSP(new CommandObjectThreadJump(interpreter))); |
| 2564 | LoadSubCommand("select", |
| 2565 | CommandObjectSP(new CommandObjectThreadSelect(interpreter))); |
| 2566 | LoadSubCommand("until", |
| 2567 | CommandObjectSP(new CommandObjectThreadUntil(interpreter))); |
| 2568 | LoadSubCommand("info", |
| 2569 | CommandObjectSP(new CommandObjectThreadInfo(interpreter))); |
| 2570 | LoadSubCommand("exception", CommandObjectSP(new CommandObjectThreadException( |
| 2571 | interpreter))); |
| 2572 | LoadSubCommand("siginfo", |
| 2573 | CommandObjectSP(new CommandObjectThreadSiginfo(interpreter))); |
| 2574 | LoadSubCommand("step-in", |
| 2575 | CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope( |
| 2576 | interpreter, "thread step-in", |
| 2577 | "Source level single step, stepping into calls. Defaults " |
| 2578 | "to current thread unless specified.", |
| 2579 | nullptr, eStepTypeInto, eStepScopeSource))); |
| 2580 | |
| 2581 | LoadSubCommand("step-out", |
| 2582 | CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope( |
| 2583 | interpreter, "thread step-out", |
| 2584 | "Finish executing the current stack frame and stop after " |
| 2585 | "returning. Defaults to current thread unless specified.", |
| 2586 | nullptr, eStepTypeOut, eStepScopeSource))); |
| 2587 | |
| 2588 | LoadSubCommand("step-over", |
| 2589 | CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope( |
| 2590 | interpreter, "thread step-over", |
| 2591 | "Source level single step, stepping over calls. Defaults " |
| 2592 | "to current thread unless specified.", |
| 2593 | nullptr, eStepTypeOver, eStepScopeSource))); |
| 2594 | |
| 2595 | LoadSubCommand("step-inst", |
| 2596 | CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope( |
| 2597 | interpreter, "thread step-inst", |
| 2598 | "Instruction level single step, stepping into calls. " |
| 2599 | "Defaults to current thread unless specified.", |
| 2600 | nullptr, eStepTypeTrace, eStepScopeInstruction))); |
| 2601 | |
| 2602 | LoadSubCommand("step-inst-over", |
| 2603 | CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope( |
| 2604 | interpreter, "thread step-inst-over", |
| 2605 | "Instruction level single step, stepping over calls. " |
| 2606 | "Defaults to current thread unless specified.", |
| 2607 | nullptr, eStepTypeTraceOver, eStepScopeInstruction))); |
| 2608 | |
| 2609 | LoadSubCommand( |
| 2610 | "step-scripted", |
| 2611 | CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope( |
| 2612 | interpreter, "thread step-scripted", |
| 2613 | "Step as instructed by the script class passed in the -C option. " |
| 2614 | "You can also specify a dictionary of key (-k) and value (-v) pairs " |
| 2615 | "that will be used to populate an SBStructuredData Dictionary, which " |
| 2616 | "will be passed to the constructor of the class implementing the " |
| 2617 | "scripted step. See the Python Reference for more details.", |
| 2618 | nullptr, eStepTypeScripted, eStepScopeSource))); |
| 2619 | |
| 2620 | LoadSubCommand("plan", CommandObjectSP(new CommandObjectMultiwordThreadPlan( |
| 2621 | interpreter))); |
| 2622 | LoadSubCommand("trace", |
| 2623 | CommandObjectSP(new CommandObjectMultiwordTrace(interpreter))); |
| 2624 | } |
| 2625 | |
| 2626 | CommandObjectMultiwordThread::~CommandObjectMultiwordThread() = default; |