1 //===-- CommandObjectThread.cpp ---------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "CommandObjectThread.h"
12 #include "lldb/Core/SourceManager.h"
13 #include "lldb/Core/ValueObject.h"
14 #include "lldb/Host/Host.h"
15 #include "lldb/Host/OptionParser.h"
16 #include "lldb/Host/StringConvert.h"
17 #include "lldb/Interpreter/CommandInterpreter.h"
18 #include "lldb/Interpreter/CommandReturnObject.h"
19 #include "lldb/Interpreter/OptionArgParser.h"
20 #include "lldb/Interpreter/Options.h"
21 #include "lldb/Symbol/CompileUnit.h"
22 #include "lldb/Symbol/Function.h"
23 #include "lldb/Symbol/LineEntry.h"
24 #include "lldb/Symbol/LineTable.h"
25 #include "lldb/Target/Process.h"
26 #include "lldb/Target/RegisterContext.h"
27 #include "lldb/Target/SystemRuntime.h"
28 #include "lldb/Target/Target.h"
29 #include "lldb/Target/Thread.h"
30 #include "lldb/Target/ThreadPlan.h"
31 #include "lldb/Target/ThreadPlanStepInRange.h"
32 #include "lldb/Target/ThreadPlanStepInstruction.h"
33 #include "lldb/Target/ThreadPlanStepOut.h"
34 #include "lldb/Target/ThreadPlanStepRange.h"
35 #include "lldb/Utility/State.h"
36 #include "lldb/lldb-private.h"
39 using namespace lldb_private;
41 //-------------------------------------------------------------------------
42 // CommandObjectIterateOverThreads
43 //-------------------------------------------------------------------------
45 class CommandObjectIterateOverThreads : public CommandObjectParsed {
50 UniqueStack(std::stack<lldb::addr_t> stack_frames, uint32_t thread_index_id)
51 : m_stack_frames(stack_frames) {
52 m_thread_index_ids.push_back(thread_index_id);
55 void AddThread(uint32_t thread_index_id) const {
56 m_thread_index_ids.push_back(thread_index_id);
59 const std::vector<uint32_t> &GetUniqueThreadIndexIDs() const {
60 return m_thread_index_ids;
63 lldb::tid_t GetRepresentativeThread() const {
64 return m_thread_index_ids.front();
67 friend bool inline operator<(const UniqueStack &lhs,
68 const UniqueStack &rhs) {
69 return lhs.m_stack_frames < rhs.m_stack_frames;
73 // Mark the thread index as mutable, as we don't care about it from a const
74 // perspective, we only care about m_stack_frames so we keep our std::set
76 mutable std::vector<uint32_t> m_thread_index_ids;
77 std::stack<lldb::addr_t> m_stack_frames;
81 CommandObjectIterateOverThreads(CommandInterpreter &interpreter,
82 const char *name, const char *help,
83 const char *syntax, uint32_t flags)
84 : CommandObjectParsed(interpreter, name, help, syntax, flags) {}
86 ~CommandObjectIterateOverThreads() override = default;
88 bool DoExecute(Args &command, CommandReturnObject &result) override {
89 result.SetStatus(m_success_return);
91 bool all_threads = false;
92 if (command.GetArgumentCount() == 0) {
93 Thread *thread = m_exe_ctx.GetThreadPtr();
94 if (!thread || !HandleOneThread(thread->GetID(), result))
96 return result.Succeeded();
97 } else if (command.GetArgumentCount() == 1) {
98 all_threads = ::strcmp(command.GetArgumentAtIndex(0), "all") == 0;
99 m_unique_stacks = ::strcmp(command.GetArgumentAtIndex(0), "unique") == 0;
102 // Use tids instead of ThreadSPs to prevent deadlocking problems which
103 // result from JIT-ing code while iterating over the (locked) ThreadSP
105 std::vector<lldb::tid_t> tids;
107 if (all_threads || m_unique_stacks) {
108 Process *process = m_exe_ctx.GetProcessPtr();
110 for (ThreadSP thread_sp : process->Threads())
111 tids.push_back(thread_sp->GetID());
113 const size_t num_args = command.GetArgumentCount();
114 Process *process = m_exe_ctx.GetProcessPtr();
116 std::lock_guard<std::recursive_mutex> guard(
117 process->GetThreadList().GetMutex());
119 for (size_t i = 0; i < num_args; i++) {
122 uint32_t thread_idx = StringConvert::ToUInt32(
123 command.GetArgumentAtIndex(i), 0, 0, &success);
125 result.AppendErrorWithFormat("invalid thread specification: \"%s\"\n",
126 command.GetArgumentAtIndex(i));
127 result.SetStatus(eReturnStatusFailed);
132 process->GetThreadList().FindThreadByIndexID(thread_idx);
135 result.AppendErrorWithFormat("no thread with index: \"%s\"\n",
136 command.GetArgumentAtIndex(i));
137 result.SetStatus(eReturnStatusFailed);
141 tids.push_back(thread->GetID());
145 if (m_unique_stacks) {
146 // Iterate over threads, finding unique stack buckets.
147 std::set<UniqueStack> unique_stacks;
148 for (const lldb::tid_t &tid : tids) {
149 if (!BucketThread(tid, unique_stacks, result)) {
154 // Write the thread id's and unique call stacks to the output stream
155 Stream &strm = result.GetOutputStream();
156 Process *process = m_exe_ctx.GetProcessPtr();
157 for (const UniqueStack &stack : unique_stacks) {
158 // List the common thread ID's
159 const std::vector<uint32_t> &thread_index_ids =
160 stack.GetUniqueThreadIndexIDs();
161 strm.Format("{0} thread(s) ", thread_index_ids.size());
162 for (const uint32_t &thread_index_id : thread_index_ids) {
163 strm.Format("#{0} ", thread_index_id);
167 // List the shared call stack for this set of threads
168 uint32_t representative_thread_id = stack.GetRepresentativeThread();
169 ThreadSP thread = process->GetThreadList().FindThreadByIndexID(
170 representative_thread_id);
171 if (!HandleOneThread(thread->GetID(), result)) {
177 for (const lldb::tid_t &tid : tids) {
178 if (idx != 0 && m_add_return)
179 result.AppendMessage("");
181 if (!HandleOneThread(tid, result))
187 return result.Succeeded();
191 // Override this to do whatever you need to do for one thread.
193 // If you return false, the iteration will stop, otherwise it will proceed.
194 // The result is set to m_success_return (defaults to
195 // eReturnStatusSuccessFinishResult) before the iteration, so you only need
196 // to set the return status in HandleOneThread if you want to indicate an
197 // error. If m_add_return is true, a blank line will be inserted between each
198 // of the listings (except the last one.)
200 virtual bool HandleOneThread(lldb::tid_t, CommandReturnObject &result) = 0;
202 bool BucketThread(lldb::tid_t tid, std::set<UniqueStack> &unique_stacks,
203 CommandReturnObject &result) {
204 // Grab the corresponding thread for the given thread id.
205 Process *process = m_exe_ctx.GetProcessPtr();
206 Thread *thread = process->GetThreadList().FindThreadByID(tid).get();
207 if (thread == nullptr) {
208 result.AppendErrorWithFormatv("Failed to process thread #{0}.\n", tid);
209 result.SetStatus(eReturnStatusFailed);
213 // Collect the each frame's address for this call-stack
214 std::stack<lldb::addr_t> stack_frames;
215 const uint32_t frame_count = thread->GetStackFrameCount();
216 for (uint32_t frame_index = 0; frame_index < frame_count; frame_index++) {
217 const lldb::StackFrameSP frame_sp =
218 thread->GetStackFrameAtIndex(frame_index);
219 const lldb::addr_t pc = frame_sp->GetStackID().GetPC();
220 stack_frames.push(pc);
223 uint32_t thread_index_id = thread->GetIndexID();
224 UniqueStack new_unique_stack(stack_frames, thread_index_id);
226 // Try to match the threads stack to and existing entry.
227 std::set<UniqueStack>::iterator matching_stack =
228 unique_stacks.find(new_unique_stack);
229 if (matching_stack != unique_stacks.end()) {
230 matching_stack->AddThread(thread_index_id);
232 unique_stacks.insert(new_unique_stack);
237 ReturnStatus m_success_return = eReturnStatusSuccessFinishResult;
238 bool m_unique_stacks = false;
239 bool m_add_return = true;
242 //-------------------------------------------------------------------------
243 // CommandObjectThreadBacktrace
244 //-------------------------------------------------------------------------
246 static constexpr OptionDefinition g_thread_backtrace_options[] = {
248 { LLDB_OPT_SET_1, false, "count", 'c', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeCount, "How many frames to display (-1 for all)" },
249 { LLDB_OPT_SET_1, false, "start", 's', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeFrameIndex, "Frame in which to start the backtrace" },
250 { LLDB_OPT_SET_1, false, "extended", 'e', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeBoolean, "Show the extended backtrace, if available" }
254 class CommandObjectThreadBacktrace : public CommandObjectIterateOverThreads {
256 class CommandOptions : public Options {
258 CommandOptions() : Options() {
259 // Keep default values of all options in one place: OptionParsingStarting
261 OptionParsingStarting(nullptr);
264 ~CommandOptions() override = default;
266 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
267 ExecutionContext *execution_context) override {
269 const int short_option = m_getopt_table[option_idx].val;
271 switch (short_option) {
273 int32_t input_count = 0;
274 if (option_arg.getAsInteger(0, m_count)) {
275 m_count = UINT32_MAX;
276 error.SetErrorStringWithFormat(
277 "invalid integer value for option '%c'", short_option);
278 } else if (input_count < 0)
279 m_count = UINT32_MAX;
282 if (option_arg.getAsInteger(0, m_start))
283 error.SetErrorStringWithFormat(
284 "invalid integer value for option '%c'", short_option);
288 m_extended_backtrace =
289 OptionArgParser::ToBoolean(option_arg, false, &success);
291 error.SetErrorStringWithFormat(
292 "invalid boolean value for option '%c'", short_option);
295 error.SetErrorStringWithFormat("invalid short option character '%c'",
302 void OptionParsingStarting(ExecutionContext *execution_context) override {
303 m_count = UINT32_MAX;
305 m_extended_backtrace = false;
308 llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
309 return llvm::makeArrayRef(g_thread_backtrace_options);
312 // Instance variables to hold the values for command options.
315 bool m_extended_backtrace;
318 CommandObjectThreadBacktrace(CommandInterpreter &interpreter)
319 : CommandObjectIterateOverThreads(
320 interpreter, "thread backtrace",
321 "Show thread call stacks. Defaults to the current thread, thread "
322 "indexes can be specified as arguments.\n"
323 "Use the thread-index \"all\" to see all threads.\n"
324 "Use the thread-index \"unique\" to see threads grouped by unique "
327 eCommandRequiresProcess | eCommandRequiresThread |
328 eCommandTryTargetAPILock | eCommandProcessMustBeLaunched |
329 eCommandProcessMustBePaused),
332 ~CommandObjectThreadBacktrace() override = default;
334 Options *GetOptions() override { return &m_options; }
337 void DoExtendedBacktrace(Thread *thread, CommandReturnObject &result) {
338 SystemRuntime *runtime = thread->GetProcess()->GetSystemRuntime();
340 Stream &strm = result.GetOutputStream();
341 const std::vector<ConstString> &types =
342 runtime->GetExtendedBacktraceTypes();
343 for (auto type : types) {
344 ThreadSP ext_thread_sp = runtime->GetExtendedBacktraceThread(
345 thread->shared_from_this(), type);
346 if (ext_thread_sp && ext_thread_sp->IsValid()) {
347 const uint32_t num_frames_with_source = 0;
348 const bool stop_format = false;
349 if (ext_thread_sp->GetStatus(strm, m_options.m_start,
351 num_frames_with_source,
353 DoExtendedBacktrace(ext_thread_sp.get(), result);
360 bool HandleOneThread(lldb::tid_t tid, CommandReturnObject &result) override {
362 m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid);
364 result.AppendErrorWithFormat(
365 "thread disappeared while computing backtraces: 0x%" PRIx64 "\n",
367 result.SetStatus(eReturnStatusFailed);
371 Thread *thread = thread_sp.get();
373 Stream &strm = result.GetOutputStream();
375 // Only dump stack info if we processing unique stacks.
376 const bool only_stacks = m_unique_stacks;
378 // Don't show source context when doing backtraces.
379 const uint32_t num_frames_with_source = 0;
380 const bool stop_format = true;
381 if (!thread->GetStatus(strm, m_options.m_start, m_options.m_count,
382 num_frames_with_source, stop_format, only_stacks)) {
383 result.AppendErrorWithFormat(
384 "error displaying backtrace for thread: \"0x%4.4x\"\n",
385 thread->GetIndexID());
386 result.SetStatus(eReturnStatusFailed);
389 if (m_options.m_extended_backtrace) {
390 DoExtendedBacktrace(thread, result);
396 CommandOptions m_options;
399 enum StepScope { eStepScopeSource, eStepScopeInstruction };
401 static constexpr OptionEnumValueElement g_tri_running_mode[] = {
402 {eOnlyThisThread, "this-thread", "Run only this thread"},
403 {eAllThreads, "all-threads", "Run all threads"},
404 {eOnlyDuringStepping, "while-stepping",
405 "Run only this thread while stepping"} };
407 static constexpr OptionEnumValues TriRunningModes() {
408 return OptionEnumValues(g_tri_running_mode);
411 static constexpr OptionDefinition g_thread_step_scope_options[] = {
413 { LLDB_OPT_SET_1, false, "step-in-avoids-no-debug", 'a', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeBoolean, "A boolean value that sets whether stepping into functions will step over functions with no debug information." },
414 { LLDB_OPT_SET_1, false, "step-out-avoids-no-debug", 'A', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeBoolean, "A boolean value, if true stepping out of functions will continue to step out till it hits a function with debug information." },
415 { LLDB_OPT_SET_1, false, "count", 'c', OptionParser::eRequiredArgument, nullptr, {}, 1, eArgTypeCount, "How many times to perform the stepping operation - currently only supported for step-inst and next-inst." },
416 { LLDB_OPT_SET_1, false, "end-linenumber", 'e', OptionParser::eRequiredArgument, nullptr, {}, 1, eArgTypeLineNum, "The line at which to stop stepping - defaults to the next line and only supported for step-in and step-over. You can also pass the string 'block' to step to the end of the current block. This is particularly useful in conjunction with --step-target to step through a complex calling sequence." },
417 { LLDB_OPT_SET_1, false, "run-mode", 'm', OptionParser::eRequiredArgument, nullptr, TriRunningModes(), 0, eArgTypeRunMode, "Determine how to run other threads while stepping the current thread." },
418 { LLDB_OPT_SET_1, false, "step-over-regexp", 'r', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeRegularExpression, "A regular expression that defines function names to not to stop at when stepping in." },
419 { LLDB_OPT_SET_1, false, "step-in-target", 't', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeFunctionName, "The name of the directly called function step in should stop at when stepping into." },
420 { LLDB_OPT_SET_2, false, "python-class", 'C', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypePythonClass, "The name of the class that will manage this step - only supported for Scripted Step." }
424 class CommandObjectThreadStepWithTypeAndScope : public CommandObjectParsed {
426 class CommandOptions : public Options {
428 CommandOptions() : Options() {
429 // Keep default values of all options in one place: OptionParsingStarting
431 OptionParsingStarting(nullptr);
434 ~CommandOptions() override = default;
436 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
437 ExecutionContext *execution_context) override {
439 const int short_option = m_getopt_table[option_idx].val;
441 switch (short_option) {
444 bool avoid_no_debug =
445 OptionArgParser::ToBoolean(option_arg, true, &success);
447 error.SetErrorStringWithFormat(
448 "invalid boolean value for option '%c'", short_option);
450 m_step_in_avoid_no_debug =
451 avoid_no_debug ? eLazyBoolYes : eLazyBoolNo;
457 bool avoid_no_debug =
458 OptionArgParser::ToBoolean(option_arg, true, &success);
460 error.SetErrorStringWithFormat(
461 "invalid boolean value for option '%c'", short_option);
463 m_step_out_avoid_no_debug =
464 avoid_no_debug ? eLazyBoolYes : eLazyBoolNo;
469 if (option_arg.getAsInteger(0, m_step_count))
470 error.SetErrorStringWithFormat("invalid step count '%s'",
471 option_arg.str().c_str());
475 m_class_name.clear();
476 m_class_name.assign(option_arg);
480 auto enum_values = GetDefinitions()[option_idx].enum_values;
481 m_run_mode = (lldb::RunMode)OptionArgParser::ToOptionEnum(
482 option_arg, enum_values, eOnlyDuringStepping, error);
486 if (option_arg == "block") {
487 m_end_line_is_block_end = 1;
490 if (option_arg.getAsInteger(0, m_end_line))
491 error.SetErrorStringWithFormat("invalid end line number '%s'",
492 option_arg.str().c_str());
496 m_avoid_regexp.clear();
497 m_avoid_regexp.assign(option_arg);
501 m_step_in_target.clear();
502 m_step_in_target.assign(option_arg);
506 error.SetErrorStringWithFormat("invalid short option character '%c'",
513 void OptionParsingStarting(ExecutionContext *execution_context) override {
514 m_step_in_avoid_no_debug = eLazyBoolCalculate;
515 m_step_out_avoid_no_debug = eLazyBoolCalculate;
516 m_run_mode = eOnlyDuringStepping;
518 // Check if we are in Non-Stop mode
520 execution_context ? execution_context->GetTargetSP() : TargetSP();
521 if (target_sp && target_sp->GetNonStopModeEnabled())
522 m_run_mode = eOnlyThisThread;
524 m_avoid_regexp.clear();
525 m_step_in_target.clear();
526 m_class_name.clear();
528 m_end_line = LLDB_INVALID_LINE_NUMBER;
529 m_end_line_is_block_end = false;
532 llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
533 return llvm::makeArrayRef(g_thread_step_scope_options);
536 // Instance variables to hold the values for command options.
537 LazyBool m_step_in_avoid_no_debug;
538 LazyBool m_step_out_avoid_no_debug;
540 std::string m_avoid_regexp;
541 std::string m_step_in_target;
542 std::string m_class_name;
543 uint32_t m_step_count;
545 bool m_end_line_is_block_end;
548 CommandObjectThreadStepWithTypeAndScope(CommandInterpreter &interpreter,
549 const char *name, const char *help,
552 StepScope step_scope)
553 : CommandObjectParsed(interpreter, name, help, syntax,
554 eCommandRequiresProcess | eCommandRequiresThread |
555 eCommandTryTargetAPILock |
556 eCommandProcessMustBeLaunched |
557 eCommandProcessMustBePaused),
558 m_step_type(step_type), m_step_scope(step_scope), m_options() {
559 CommandArgumentEntry arg;
560 CommandArgumentData thread_id_arg;
562 // Define the first (and only) variant of this arg.
563 thread_id_arg.arg_type = eArgTypeThreadID;
564 thread_id_arg.arg_repetition = eArgRepeatOptional;
566 // There is only one variant this argument could be; put it into the
568 arg.push_back(thread_id_arg);
570 // Push the data for the first argument into the m_arguments vector.
571 m_arguments.push_back(arg);
574 ~CommandObjectThreadStepWithTypeAndScope() override = default;
576 Options *GetOptions() override { return &m_options; }
579 bool DoExecute(Args &command, CommandReturnObject &result) override {
580 Process *process = m_exe_ctx.GetProcessPtr();
581 bool synchronous_execution = m_interpreter.GetSynchronous();
583 const uint32_t num_threads = process->GetThreadList().GetSize();
584 Thread *thread = nullptr;
586 if (command.GetArgumentCount() == 0) {
587 thread = GetDefaultThread();
589 if (thread == nullptr) {
590 result.AppendError("no selected thread in process");
591 result.SetStatus(eReturnStatusFailed);
595 const char *thread_idx_cstr = command.GetArgumentAtIndex(0);
596 uint32_t step_thread_idx =
597 StringConvert::ToUInt32(thread_idx_cstr, LLDB_INVALID_INDEX32);
598 if (step_thread_idx == LLDB_INVALID_INDEX32) {
599 result.AppendErrorWithFormat("invalid thread index '%s'.\n",
601 result.SetStatus(eReturnStatusFailed);
605 process->GetThreadList().FindThreadByIndexID(step_thread_idx).get();
606 if (thread == nullptr) {
607 result.AppendErrorWithFormat(
608 "Thread index %u is out of range (valid values are 0 - %u).\n",
609 step_thread_idx, num_threads);
610 result.SetStatus(eReturnStatusFailed);
615 if (m_step_type == eStepTypeScripted) {
616 if (m_options.m_class_name.empty()) {
617 result.AppendErrorWithFormat("empty class name for scripted step.");
618 result.SetStatus(eReturnStatusFailed);
620 } else if (!m_interpreter.GetScriptInterpreter()->CheckObjectExists(
621 m_options.m_class_name.c_str())) {
622 result.AppendErrorWithFormat(
623 "class for scripted step: \"%s\" does not exist.",
624 m_options.m_class_name.c_str());
625 result.SetStatus(eReturnStatusFailed);
630 if (m_options.m_end_line != LLDB_INVALID_LINE_NUMBER &&
631 m_step_type != eStepTypeInto) {
632 result.AppendErrorWithFormat(
633 "end line option is only valid for step into");
634 result.SetStatus(eReturnStatusFailed);
638 const bool abort_other_plans = false;
639 const lldb::RunMode stop_other_threads = m_options.m_run_mode;
641 // This is a bit unfortunate, but not all the commands in this command
642 // object support only while stepping, so I use the bool for them.
643 bool bool_stop_other_threads;
644 if (m_options.m_run_mode == eAllThreads)
645 bool_stop_other_threads = false;
646 else if (m_options.m_run_mode == eOnlyDuringStepping)
647 bool_stop_other_threads =
648 (m_step_type != eStepTypeOut && m_step_type != eStepTypeScripted);
650 bool_stop_other_threads = true;
652 ThreadPlanSP new_plan_sp;
653 Status new_plan_status;
655 if (m_step_type == eStepTypeInto) {
656 StackFrame *frame = thread->GetStackFrameAtIndex(0).get();
657 assert(frame != nullptr);
659 if (frame->HasDebugInformation()) {
661 SymbolContext sc = frame->GetSymbolContext(eSymbolContextEverything);
662 if (m_options.m_end_line != LLDB_INVALID_LINE_NUMBER) {
664 if (!sc.GetAddressRangeFromHereToEndLine(m_options.m_end_line, range,
666 result.AppendErrorWithFormat("invalid end-line option: %s.",
668 result.SetStatus(eReturnStatusFailed);
671 } else if (m_options.m_end_line_is_block_end) {
673 Block *block = frame->GetSymbolContext(eSymbolContextBlock).block;
675 result.AppendErrorWithFormat("Could not find the current block.");
676 result.SetStatus(eReturnStatusFailed);
680 AddressRange block_range;
681 Address pc_address = frame->GetFrameCodeAddress();
682 block->GetRangeContainingAddress(pc_address, block_range);
683 if (!block_range.GetBaseAddress().IsValid()) {
684 result.AppendErrorWithFormat(
685 "Could not find the current block address.");
686 result.SetStatus(eReturnStatusFailed);
689 lldb::addr_t pc_offset_in_block =
690 pc_address.GetFileAddress() -
691 block_range.GetBaseAddress().GetFileAddress();
692 lldb::addr_t range_length =
693 block_range.GetByteSize() - pc_offset_in_block;
694 range = AddressRange(pc_address, range_length);
696 range = sc.line_entry.range;
699 new_plan_sp = thread->QueueThreadPlanForStepInRange(
700 abort_other_plans, range,
701 frame->GetSymbolContext(eSymbolContextEverything),
702 m_options.m_step_in_target.c_str(), stop_other_threads,
703 new_plan_status, m_options.m_step_in_avoid_no_debug,
704 m_options.m_step_out_avoid_no_debug);
706 if (new_plan_sp && !m_options.m_avoid_regexp.empty()) {
707 ThreadPlanStepInRange *step_in_range_plan =
708 static_cast<ThreadPlanStepInRange *>(new_plan_sp.get());
709 step_in_range_plan->SetAvoidRegexp(m_options.m_avoid_regexp.c_str());
712 new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction(
713 false, abort_other_plans, bool_stop_other_threads, new_plan_status);
714 } else if (m_step_type == eStepTypeOver) {
715 StackFrame *frame = thread->GetStackFrameAtIndex(0).get();
717 if (frame->HasDebugInformation())
718 new_plan_sp = thread->QueueThreadPlanForStepOverRange(
720 frame->GetSymbolContext(eSymbolContextEverything).line_entry,
721 frame->GetSymbolContext(eSymbolContextEverything),
722 stop_other_threads, new_plan_status,
723 m_options.m_step_out_avoid_no_debug);
725 new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction(
726 true, abort_other_plans, bool_stop_other_threads, new_plan_status);
727 } else if (m_step_type == eStepTypeTrace) {
728 new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction(
729 false, abort_other_plans, bool_stop_other_threads, new_plan_status);
730 } else if (m_step_type == eStepTypeTraceOver) {
731 new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction(
732 true, abort_other_plans, bool_stop_other_threads, new_plan_status);
733 } else if (m_step_type == eStepTypeOut) {
734 new_plan_sp = thread->QueueThreadPlanForStepOut(
735 abort_other_plans, nullptr, false, bool_stop_other_threads, eVoteYes,
736 eVoteNoOpinion, thread->GetSelectedFrameIndex(), new_plan_status,
737 m_options.m_step_out_avoid_no_debug);
738 } else if (m_step_type == eStepTypeScripted) {
739 new_plan_sp = thread->QueueThreadPlanForStepScripted(
740 abort_other_plans, m_options.m_class_name.c_str(),
741 bool_stop_other_threads, new_plan_status);
743 result.AppendError("step type is not supported");
744 result.SetStatus(eReturnStatusFailed);
748 // If we got a new plan, then set it to be a master plan (User level Plans
749 // should be master plans so that they can be interruptible). Then resume
753 new_plan_sp->SetIsMasterPlan(true);
754 new_plan_sp->SetOkayToDiscard(false);
756 if (m_options.m_step_count > 1) {
757 if (!new_plan_sp->SetIterationCount(m_options.m_step_count)) {
758 result.AppendWarning(
759 "step operation does not support iteration count.");
763 process->GetThreadList().SetSelectedThreadByID(thread->GetID());
765 const uint32_t iohandler_id = process->GetIOHandlerID();
769 if (synchronous_execution)
770 error = process->ResumeSynchronous(&stream);
772 error = process->Resume();
774 if (!error.Success()) {
775 result.AppendMessage(error.AsCString());
776 result.SetStatus(eReturnStatusFailed);
780 // There is a race condition where this thread will return up the call
781 // stack to the main command handler and show an (lldb) prompt before
782 // HandlePrivateEvent (from PrivateStateThread) has a chance to call
783 // PushProcessIOHandler().
784 process->SyncIOHandler(iohandler_id, std::chrono::seconds(2));
786 if (synchronous_execution) {
787 // If any state changed events had anything to say, add that to the
789 if (stream.GetSize() > 0)
790 result.AppendMessage(stream.GetString());
792 process->GetThreadList().SetSelectedThreadByID(thread->GetID());
793 result.SetDidChangeProcessState(true);
794 result.SetStatus(eReturnStatusSuccessFinishNoResult);
796 result.SetStatus(eReturnStatusSuccessContinuingNoResult);
799 result.SetError(new_plan_status);
800 result.SetStatus(eReturnStatusFailed);
802 return result.Succeeded();
806 StepType m_step_type;
807 StepScope m_step_scope;
808 CommandOptions m_options;
811 //-------------------------------------------------------------------------
812 // CommandObjectThreadContinue
813 //-------------------------------------------------------------------------
815 class CommandObjectThreadContinue : public CommandObjectParsed {
817 CommandObjectThreadContinue(CommandInterpreter &interpreter)
818 : CommandObjectParsed(
819 interpreter, "thread continue",
820 "Continue execution of the current target process. One "
821 "or more threads may be specified, by default all "
824 eCommandRequiresThread | eCommandTryTargetAPILock |
825 eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) {
826 CommandArgumentEntry arg;
827 CommandArgumentData thread_idx_arg;
829 // Define the first (and only) variant of this arg.
830 thread_idx_arg.arg_type = eArgTypeThreadIndex;
831 thread_idx_arg.arg_repetition = eArgRepeatPlus;
833 // There is only one variant this argument could be; put it into the
835 arg.push_back(thread_idx_arg);
837 // Push the data for the first argument into the m_arguments vector.
838 m_arguments.push_back(arg);
841 ~CommandObjectThreadContinue() override = default;
843 bool DoExecute(Args &command, CommandReturnObject &result) override {
844 bool synchronous_execution = m_interpreter.GetSynchronous();
846 if (!m_interpreter.GetDebugger().GetSelectedTarget()) {
847 result.AppendError("invalid target, create a debug target using the "
848 "'target create' command");
849 result.SetStatus(eReturnStatusFailed);
853 Process *process = m_exe_ctx.GetProcessPtr();
854 if (process == nullptr) {
855 result.AppendError("no process exists. Cannot continue");
856 result.SetStatus(eReturnStatusFailed);
860 StateType state = process->GetState();
861 if ((state == eStateCrashed) || (state == eStateStopped) ||
862 (state == eStateSuspended)) {
863 const size_t argc = command.GetArgumentCount();
865 // These two lines appear at the beginning of both blocks in this
866 // if..else, but that is because we need to release the lock before
867 // calling process->Resume below.
868 std::lock_guard<std::recursive_mutex> guard(
869 process->GetThreadList().GetMutex());
870 const uint32_t num_threads = process->GetThreadList().GetSize();
871 std::vector<Thread *> resume_threads;
872 for (auto &entry : command.entries()) {
874 if (entry.ref.getAsInteger(0, thread_idx)) {
875 result.AppendErrorWithFormat(
876 "invalid thread index argument: \"%s\".\n", entry.c_str());
877 result.SetStatus(eReturnStatusFailed);
881 process->GetThreadList().FindThreadByIndexID(thread_idx).get();
884 resume_threads.push_back(thread);
886 result.AppendErrorWithFormat("invalid thread index %u.\n",
888 result.SetStatus(eReturnStatusFailed);
893 if (resume_threads.empty()) {
894 result.AppendError("no valid thread indexes were specified");
895 result.SetStatus(eReturnStatusFailed);
898 if (resume_threads.size() == 1)
899 result.AppendMessageWithFormat("Resuming thread: ");
901 result.AppendMessageWithFormat("Resuming threads: ");
903 for (uint32_t idx = 0; idx < num_threads; ++idx) {
905 process->GetThreadList().GetThreadAtIndex(idx).get();
906 std::vector<Thread *>::iterator this_thread_pos =
907 find(resume_threads.begin(), resume_threads.end(), thread);
909 if (this_thread_pos != resume_threads.end()) {
910 resume_threads.erase(this_thread_pos);
911 if (!resume_threads.empty())
912 result.AppendMessageWithFormat("%u, ", thread->GetIndexID());
914 result.AppendMessageWithFormat("%u ", thread->GetIndexID());
916 const bool override_suspend = true;
917 thread->SetResumeState(eStateRunning, override_suspend);
919 thread->SetResumeState(eStateSuspended);
922 result.AppendMessageWithFormat("in process %" PRIu64 "\n",
926 // These two lines appear at the beginning of both blocks in this
927 // if..else, but that is because we need to release the lock before
928 // calling process->Resume below.
929 std::lock_guard<std::recursive_mutex> guard(
930 process->GetThreadList().GetMutex());
931 const uint32_t num_threads = process->GetThreadList().GetSize();
932 Thread *current_thread = GetDefaultThread();
933 if (current_thread == nullptr) {
934 result.AppendError("the process doesn't have a current thread");
935 result.SetStatus(eReturnStatusFailed);
938 // Set the actions that the threads should each take when resuming
939 for (uint32_t idx = 0; idx < num_threads; ++idx) {
940 Thread *thread = process->GetThreadList().GetThreadAtIndex(idx).get();
941 if (thread == current_thread) {
942 result.AppendMessageWithFormat("Resuming thread 0x%4.4" PRIx64
943 " in process %" PRIu64 "\n",
944 thread->GetID(), process->GetID());
945 const bool override_suspend = true;
946 thread->SetResumeState(eStateRunning, override_suspend);
948 thread->SetResumeState(eStateSuspended);
955 if (synchronous_execution)
956 error = process->ResumeSynchronous(&stream);
958 error = process->Resume();
960 // We should not be holding the thread list lock when we do this.
961 if (error.Success()) {
962 result.AppendMessageWithFormat("Process %" PRIu64 " resuming\n",
964 if (synchronous_execution) {
965 // If any state changed events had anything to say, add that to the
967 if (stream.GetSize() > 0)
968 result.AppendMessage(stream.GetString());
970 result.SetDidChangeProcessState(true);
971 result.SetStatus(eReturnStatusSuccessFinishNoResult);
973 result.SetStatus(eReturnStatusSuccessContinuingNoResult);
976 result.AppendErrorWithFormat("Failed to resume process: %s\n",
978 result.SetStatus(eReturnStatusFailed);
981 result.AppendErrorWithFormat(
982 "Process cannot be continued from its current state (%s).\n",
983 StateAsCString(state));
984 result.SetStatus(eReturnStatusFailed);
987 return result.Succeeded();
991 //-------------------------------------------------------------------------
992 // CommandObjectThreadUntil
993 //-------------------------------------------------------------------------
995 static constexpr OptionEnumValueElement g_duo_running_mode[] = {
996 {eOnlyThisThread, "this-thread", "Run only this thread"},
997 {eAllThreads, "all-threads", "Run all threads"} };
999 static constexpr OptionEnumValues DuoRunningModes() {
1000 return OptionEnumValues(g_duo_running_mode);
1003 static constexpr OptionDefinition g_thread_until_options[] = {
1005 { LLDB_OPT_SET_1, false, "frame", 'f', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeFrameIndex, "Frame index for until operation - defaults to 0" },
1006 { LLDB_OPT_SET_1, false, "thread", 't', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeThreadIndex, "Thread index for the thread for until operation" },
1007 { LLDB_OPT_SET_1, false, "run-mode",'m', OptionParser::eRequiredArgument, nullptr, DuoRunningModes(), 0, eArgTypeRunMode, "Determine how to run other threads while stepping this one" },
1008 { LLDB_OPT_SET_1, false, "address", 'a', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeAddressOrExpression, "Run until we reach the specified address, or leave the function - can be specified multiple times." }
1012 class CommandObjectThreadUntil : public CommandObjectParsed {
1014 class CommandOptions : public Options {
1016 uint32_t m_thread_idx;
1017 uint32_t m_frame_idx;
1020 : Options(), m_thread_idx(LLDB_INVALID_THREAD_ID),
1021 m_frame_idx(LLDB_INVALID_FRAME_ID) {
1022 // Keep default values of all options in one place: OptionParsingStarting
1024 OptionParsingStarting(nullptr);
1027 ~CommandOptions() override = default;
1029 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
1030 ExecutionContext *execution_context) override {
1032 const int short_option = m_getopt_table[option_idx].val;
1034 switch (short_option) {
1036 lldb::addr_t tmp_addr = OptionArgParser::ToAddress(
1037 execution_context, option_arg, LLDB_INVALID_ADDRESS, &error);
1038 if (error.Success())
1039 m_until_addrs.push_back(tmp_addr);
1042 if (option_arg.getAsInteger(0, m_thread_idx)) {
1043 m_thread_idx = LLDB_INVALID_INDEX32;
1044 error.SetErrorStringWithFormat("invalid thread index '%s'",
1045 option_arg.str().c_str());
1049 if (option_arg.getAsInteger(0, m_frame_idx)) {
1050 m_frame_idx = LLDB_INVALID_FRAME_ID;
1051 error.SetErrorStringWithFormat("invalid frame index '%s'",
1052 option_arg.str().c_str());
1056 auto enum_values = GetDefinitions()[option_idx].enum_values;
1057 lldb::RunMode run_mode = (lldb::RunMode)OptionArgParser::ToOptionEnum(
1058 option_arg, enum_values, eOnlyDuringStepping, error);
1060 if (error.Success()) {
1061 if (run_mode == eAllThreads)
1062 m_stop_others = false;
1064 m_stop_others = true;
1068 error.SetErrorStringWithFormat("invalid short option character '%c'",
1075 void OptionParsingStarting(ExecutionContext *execution_context) override {
1076 m_thread_idx = LLDB_INVALID_THREAD_ID;
1078 m_stop_others = false;
1079 m_until_addrs.clear();
1082 llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
1083 return llvm::makeArrayRef(g_thread_until_options);
1086 uint32_t m_step_thread_idx;
1088 std::vector<lldb::addr_t> m_until_addrs;
1090 // Instance variables to hold the values for command options.
1093 CommandObjectThreadUntil(CommandInterpreter &interpreter)
1094 : CommandObjectParsed(
1095 interpreter, "thread until",
1096 "Continue until a line number or address is reached by the "
1097 "current or specified thread. Stops when returning from "
1098 "the current function as a safety measure. "
1099 "The target line number(s) are given as arguments, and if more than one"
1100 " is provided, stepping will stop when the first one is hit.",
1102 eCommandRequiresThread | eCommandTryTargetAPILock |
1103 eCommandProcessMustBeLaunched | eCommandProcessMustBePaused),
1105 CommandArgumentEntry arg;
1106 CommandArgumentData line_num_arg;
1108 // Define the first (and only) variant of this arg.
1109 line_num_arg.arg_type = eArgTypeLineNum;
1110 line_num_arg.arg_repetition = eArgRepeatPlain;
1112 // There is only one variant this argument could be; put it into the
1114 arg.push_back(line_num_arg);
1116 // Push the data for the first argument into the m_arguments vector.
1117 m_arguments.push_back(arg);
1120 ~CommandObjectThreadUntil() override = default;
1122 Options *GetOptions() override { return &m_options; }
1125 bool DoExecute(Args &command, CommandReturnObject &result) override {
1126 bool synchronous_execution = m_interpreter.GetSynchronous();
1128 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
1129 if (target == nullptr) {
1130 result.AppendError("invalid target, create a debug target using the "
1131 "'target create' command");
1132 result.SetStatus(eReturnStatusFailed);
1136 Process *process = m_exe_ctx.GetProcessPtr();
1137 if (process == nullptr) {
1138 result.AppendError("need a valid process to step");
1139 result.SetStatus(eReturnStatusFailed);
1141 Thread *thread = nullptr;
1142 std::vector<uint32_t> line_numbers;
1144 if (command.GetArgumentCount() >= 1) {
1145 size_t num_args = command.GetArgumentCount();
1146 for (size_t i = 0; i < num_args; i++) {
1147 uint32_t line_number;
1148 line_number = StringConvert::ToUInt32(command.GetArgumentAtIndex(i),
1150 if (line_number == UINT32_MAX) {
1151 result.AppendErrorWithFormat("invalid line number: '%s'.\n",
1152 command.GetArgumentAtIndex(i));
1153 result.SetStatus(eReturnStatusFailed);
1156 line_numbers.push_back(line_number);
1158 } else if (m_options.m_until_addrs.empty()) {
1159 result.AppendErrorWithFormat("No line number or address provided:\n%s",
1160 GetSyntax().str().c_str());
1161 result.SetStatus(eReturnStatusFailed);
1165 if (m_options.m_thread_idx == LLDB_INVALID_THREAD_ID) {
1166 thread = GetDefaultThread();
1168 thread = process->GetThreadList()
1169 .FindThreadByIndexID(m_options.m_thread_idx)
1173 if (thread == nullptr) {
1174 const uint32_t num_threads = process->GetThreadList().GetSize();
1175 result.AppendErrorWithFormat(
1176 "Thread index %u is out of range (valid values are 0 - %u).\n",
1177 m_options.m_thread_idx, num_threads);
1178 result.SetStatus(eReturnStatusFailed);
1182 const bool abort_other_plans = false;
1185 thread->GetStackFrameAtIndex(m_options.m_frame_idx).get();
1186 if (frame == nullptr) {
1187 result.AppendErrorWithFormat(
1188 "Frame index %u is out of range for thread %u.\n",
1189 m_options.m_frame_idx, m_options.m_thread_idx);
1190 result.SetStatus(eReturnStatusFailed);
1194 ThreadPlanSP new_plan_sp;
1195 Status new_plan_status;
1197 if (frame->HasDebugInformation()) {
1198 // Finally we got here... Translate the given line number to a bunch
1200 SymbolContext sc(frame->GetSymbolContext(eSymbolContextCompUnit));
1201 LineTable *line_table = nullptr;
1203 line_table = sc.comp_unit->GetLineTable();
1205 if (line_table == nullptr) {
1206 result.AppendErrorWithFormat("Failed to resolve the line table for "
1207 "frame %u of thread index %u.\n",
1208 m_options.m_frame_idx,
1209 m_options.m_thread_idx);
1210 result.SetStatus(eReturnStatusFailed);
1214 LineEntry function_start;
1215 uint32_t index_ptr = 0, end_ptr;
1216 std::vector<addr_t> address_list;
1218 // Find the beginning & end index of the
1219 AddressRange fun_addr_range = sc.function->GetAddressRange();
1220 Address fun_start_addr = fun_addr_range.GetBaseAddress();
1221 line_table->FindLineEntryByAddress(fun_start_addr, function_start,
1224 Address fun_end_addr(fun_start_addr.GetSection(),
1225 fun_start_addr.GetOffset() +
1226 fun_addr_range.GetByteSize());
1228 bool all_in_function = true;
1230 line_table->FindLineEntryByAddress(fun_end_addr, function_start,
1233 for (uint32_t line_number : line_numbers) {
1234 uint32_t start_idx_ptr = index_ptr;
1235 while (start_idx_ptr <= end_ptr) {
1236 LineEntry line_entry;
1237 const bool exact = false;
1238 start_idx_ptr = sc.comp_unit->FindLineEntry(
1239 start_idx_ptr, line_number, sc.comp_unit, exact, &line_entry);
1240 if (start_idx_ptr == UINT32_MAX)
1244 line_entry.range.GetBaseAddress().GetLoadAddress(target);
1245 if (address != LLDB_INVALID_ADDRESS) {
1246 if (fun_addr_range.ContainsLoadAddress(address, target))
1247 address_list.push_back(address);
1249 all_in_function = false;
1255 for (lldb::addr_t address : m_options.m_until_addrs) {
1256 if (fun_addr_range.ContainsLoadAddress(address, target))
1257 address_list.push_back(address);
1259 all_in_function = false;
1262 if (address_list.empty()) {
1263 if (all_in_function)
1264 result.AppendErrorWithFormat(
1265 "No line entries matching until target.\n");
1267 result.AppendErrorWithFormat(
1268 "Until target outside of the current function.\n");
1270 result.SetStatus(eReturnStatusFailed);
1274 new_plan_sp = thread->QueueThreadPlanForStepUntil(
1275 abort_other_plans, &address_list.front(), address_list.size(),
1276 m_options.m_stop_others, m_options.m_frame_idx, new_plan_status);
1278 // User level plans should be master plans so they can be interrupted
1279 // (e.g. by hitting a breakpoint) and other plans executed by the
1280 // user (stepping around the breakpoint) and then a "continue" will
1281 // resume the original plan.
1282 new_plan_sp->SetIsMasterPlan(true);
1283 new_plan_sp->SetOkayToDiscard(false);
1285 result.SetError(new_plan_status);
1286 result.SetStatus(eReturnStatusFailed);
1290 result.AppendErrorWithFormat(
1291 "Frame index %u of thread %u has no debug information.\n",
1292 m_options.m_frame_idx, m_options.m_thread_idx);
1293 result.SetStatus(eReturnStatusFailed);
1297 process->GetThreadList().SetSelectedThreadByID(m_options.m_thread_idx);
1299 StreamString stream;
1301 if (synchronous_execution)
1302 error = process->ResumeSynchronous(&stream);
1304 error = process->Resume();
1306 if (error.Success()) {
1307 result.AppendMessageWithFormat("Process %" PRIu64 " resuming\n",
1309 if (synchronous_execution) {
1310 // If any state changed events had anything to say, add that to the
1312 if (stream.GetSize() > 0)
1313 result.AppendMessage(stream.GetString());
1315 result.SetDidChangeProcessState(true);
1316 result.SetStatus(eReturnStatusSuccessFinishNoResult);
1318 result.SetStatus(eReturnStatusSuccessContinuingNoResult);
1321 result.AppendErrorWithFormat("Failed to resume process: %s.\n",
1323 result.SetStatus(eReturnStatusFailed);
1326 return result.Succeeded();
1329 CommandOptions m_options;
1332 //-------------------------------------------------------------------------
1333 // CommandObjectThreadSelect
1334 //-------------------------------------------------------------------------
1336 class CommandObjectThreadSelect : public CommandObjectParsed {
1338 CommandObjectThreadSelect(CommandInterpreter &interpreter)
1339 : CommandObjectParsed(interpreter, "thread select",
1340 "Change the currently selected thread.", nullptr,
1341 eCommandRequiresProcess | eCommandTryTargetAPILock |
1342 eCommandProcessMustBeLaunched |
1343 eCommandProcessMustBePaused) {
1344 CommandArgumentEntry arg;
1345 CommandArgumentData thread_idx_arg;
1347 // Define the first (and only) variant of this arg.
1348 thread_idx_arg.arg_type = eArgTypeThreadIndex;
1349 thread_idx_arg.arg_repetition = eArgRepeatPlain;
1351 // There is only one variant this argument could be; put it into the
1353 arg.push_back(thread_idx_arg);
1355 // Push the data for the first argument into the m_arguments vector.
1356 m_arguments.push_back(arg);
1359 ~CommandObjectThreadSelect() override = default;
1362 bool DoExecute(Args &command, CommandReturnObject &result) override {
1363 Process *process = m_exe_ctx.GetProcessPtr();
1364 if (process == nullptr) {
1365 result.AppendError("no process");
1366 result.SetStatus(eReturnStatusFailed);
1368 } else if (command.GetArgumentCount() != 1) {
1369 result.AppendErrorWithFormat(
1370 "'%s' takes exactly one thread index argument:\nUsage: %s\n",
1371 m_cmd_name.c_str(), m_cmd_syntax.c_str());
1372 result.SetStatus(eReturnStatusFailed);
1377 StringConvert::ToUInt32(command.GetArgumentAtIndex(0), 0, 0);
1379 Thread *new_thread =
1380 process->GetThreadList().FindThreadByIndexID(index_id).get();
1381 if (new_thread == nullptr) {
1382 result.AppendErrorWithFormat("invalid thread #%s.\n",
1383 command.GetArgumentAtIndex(0));
1384 result.SetStatus(eReturnStatusFailed);
1388 process->GetThreadList().SetSelectedThreadByID(new_thread->GetID(), true);
1389 result.SetStatus(eReturnStatusSuccessFinishNoResult);
1391 return result.Succeeded();
1395 //-------------------------------------------------------------------------
1396 // CommandObjectThreadList
1397 //-------------------------------------------------------------------------
1399 class CommandObjectThreadList : public CommandObjectParsed {
1401 CommandObjectThreadList(CommandInterpreter &interpreter)
1402 : CommandObjectParsed(
1403 interpreter, "thread list",
1404 "Show a summary of each thread in the current target process.",
1406 eCommandRequiresProcess | eCommandTryTargetAPILock |
1407 eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) {}
1409 ~CommandObjectThreadList() override = default;
1412 bool DoExecute(Args &command, CommandReturnObject &result) override {
1413 Stream &strm = result.GetOutputStream();
1414 result.SetStatus(eReturnStatusSuccessFinishNoResult);
1415 Process *process = m_exe_ctx.GetProcessPtr();
1416 const bool only_threads_with_stop_reason = false;
1417 const uint32_t start_frame = 0;
1418 const uint32_t num_frames = 0;
1419 const uint32_t num_frames_with_source = 0;
1420 process->GetStatus(strm);
1421 process->GetThreadStatus(strm, only_threads_with_stop_reason, start_frame,
1422 num_frames, num_frames_with_source, false);
1423 return result.Succeeded();
1427 //-------------------------------------------------------------------------
1428 // CommandObjectThreadInfo
1429 //-------------------------------------------------------------------------
1431 static constexpr OptionDefinition g_thread_info_options[] = {
1433 { LLDB_OPT_SET_ALL, false, "json", 'j', OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, "Display the thread info in JSON format." },
1434 { LLDB_OPT_SET_ALL, false, "stop-info", 's', OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, "Display the extended stop info in JSON format." }
1438 class CommandObjectThreadInfo : public CommandObjectIterateOverThreads {
1440 class CommandOptions : public Options {
1442 CommandOptions() : Options() { OptionParsingStarting(nullptr); }
1444 ~CommandOptions() override = default;
1446 void OptionParsingStarting(ExecutionContext *execution_context) override {
1447 m_json_thread = false;
1448 m_json_stopinfo = false;
1451 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
1452 ExecutionContext *execution_context) override {
1453 const int short_option = m_getopt_table[option_idx].val;
1456 switch (short_option) {
1458 m_json_thread = true;
1462 m_json_stopinfo = true;
1466 return Status("invalid short option character '%c'", short_option);
1471 llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
1472 return llvm::makeArrayRef(g_thread_info_options);
1476 bool m_json_stopinfo;
1479 CommandObjectThreadInfo(CommandInterpreter &interpreter)
1480 : CommandObjectIterateOverThreads(
1481 interpreter, "thread info", "Show an extended summary of one or "
1482 "more threads. Defaults to the "
1485 eCommandRequiresProcess | eCommandTryTargetAPILock |
1486 eCommandProcessMustBeLaunched | eCommandProcessMustBePaused),
1488 m_add_return = false;
1491 ~CommandObjectThreadInfo() override = default;
1493 Options *GetOptions() override { return &m_options; }
1495 bool HandleOneThread(lldb::tid_t tid, CommandReturnObject &result) override {
1496 ThreadSP thread_sp =
1497 m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid);
1499 result.AppendErrorWithFormat("thread no longer exists: 0x%" PRIx64 "\n",
1501 result.SetStatus(eReturnStatusFailed);
1505 Thread *thread = thread_sp.get();
1507 Stream &strm = result.GetOutputStream();
1508 if (!thread->GetDescription(strm, eDescriptionLevelFull,
1509 m_options.m_json_thread,
1510 m_options.m_json_stopinfo)) {
1511 result.AppendErrorWithFormat("error displaying info for thread: \"%d\"\n",
1512 thread->GetIndexID());
1513 result.SetStatus(eReturnStatusFailed);
1519 CommandOptions m_options;
1522 //-------------------------------------------------------------------------
1523 // CommandObjectThreadException
1524 //-------------------------------------------------------------------------
1526 class CommandObjectThreadException : public CommandObjectIterateOverThreads {
1528 CommandObjectThreadException(CommandInterpreter &interpreter)
1529 : CommandObjectIterateOverThreads(
1530 interpreter, "thread exception",
1531 "Display the current exception object for a thread. Defaults to "
1532 "the current thread.",
1534 eCommandRequiresProcess | eCommandTryTargetAPILock |
1535 eCommandProcessMustBeLaunched | eCommandProcessMustBePaused) {}
1537 ~CommandObjectThreadException() override = default;
1539 bool HandleOneThread(lldb::tid_t tid, CommandReturnObject &result) override {
1540 ThreadSP thread_sp =
1541 m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid);
1543 result.AppendErrorWithFormat("thread no longer exists: 0x%" PRIx64 "\n",
1545 result.SetStatus(eReturnStatusFailed);
1549 Stream &strm = result.GetOutputStream();
1550 ValueObjectSP exception_object_sp = thread_sp->GetCurrentException();
1551 if (exception_object_sp) {
1552 exception_object_sp->Dump(strm);
1555 ThreadSP exception_thread_sp = thread_sp->GetCurrentExceptionBacktrace();
1556 if (exception_thread_sp && exception_thread_sp->IsValid()) {
1557 const uint32_t num_frames_with_source = 0;
1558 const bool stop_format = false;
1559 exception_thread_sp->GetStatus(strm, 0, UINT32_MAX,
1560 num_frames_with_source, stop_format);
1567 //-------------------------------------------------------------------------
1568 // CommandObjectThreadReturn
1569 //-------------------------------------------------------------------------
1571 static constexpr OptionDefinition g_thread_return_options[] = {
1573 { LLDB_OPT_SET_ALL, false, "from-expression", 'x', OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, "Return from the innermost expression evaluation." }
1577 class CommandObjectThreadReturn : public CommandObjectRaw {
1579 class CommandOptions : public Options {
1581 CommandOptions() : Options(), m_from_expression(false) {
1582 // Keep default values of all options in one place: OptionParsingStarting
1584 OptionParsingStarting(nullptr);
1587 ~CommandOptions() override = default;
1589 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
1590 ExecutionContext *execution_context) override {
1592 const int short_option = m_getopt_table[option_idx].val;
1594 switch (short_option) {
1598 OptionArgParser::ToBoolean(option_arg, false, &success);
1600 m_from_expression = tmp_value;
1602 error.SetErrorStringWithFormat(
1603 "invalid boolean value '%s' for 'x' option",
1604 option_arg.str().c_str());
1608 error.SetErrorStringWithFormat("invalid short option character '%c'",
1615 void OptionParsingStarting(ExecutionContext *execution_context) override {
1616 m_from_expression = false;
1619 llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
1620 return llvm::makeArrayRef(g_thread_return_options);
1623 bool m_from_expression;
1625 // Instance variables to hold the values for command options.
1628 CommandObjectThreadReturn(CommandInterpreter &interpreter)
1629 : CommandObjectRaw(interpreter, "thread return",
1630 "Prematurely return from a stack frame, "
1631 "short-circuiting execution of newer frames "
1632 "and optionally yielding a specified value. Defaults "
1633 "to the exiting the current stack "
1636 eCommandRequiresFrame | eCommandTryTargetAPILock |
1637 eCommandProcessMustBeLaunched |
1638 eCommandProcessMustBePaused),
1640 CommandArgumentEntry arg;
1641 CommandArgumentData expression_arg;
1643 // Define the first (and only) variant of this arg.
1644 expression_arg.arg_type = eArgTypeExpression;
1645 expression_arg.arg_repetition = eArgRepeatOptional;
1647 // There is only one variant this argument could be; put it into the
1649 arg.push_back(expression_arg);
1651 // Push the data for the first argument into the m_arguments vector.
1652 m_arguments.push_back(arg);
1655 ~CommandObjectThreadReturn() override = default;
1657 Options *GetOptions() override { return &m_options; }
1660 bool DoExecute(llvm::StringRef command,
1661 CommandReturnObject &result) override {
1662 // I am going to handle this by hand, because I don't want you to have to
1664 // "thread return -- -5".
1665 if (command.startswith("-x")) {
1666 if (command.size() != 2U)
1667 result.AppendWarning("Return values ignored when returning from user "
1668 "called expressions");
1670 Thread *thread = m_exe_ctx.GetThreadPtr();
1672 error = thread->UnwindInnermostExpression();
1673 if (!error.Success()) {
1674 result.AppendErrorWithFormat("Unwinding expression failed - %s.",
1676 result.SetStatus(eReturnStatusFailed);
1679 thread->SetSelectedFrameByIndexNoisily(0, result.GetOutputStream());
1681 m_exe_ctx.SetFrameSP(thread->GetSelectedFrame());
1682 result.SetStatus(eReturnStatusSuccessFinishResult);
1684 result.AppendErrorWithFormat(
1685 "Could not select 0th frame after unwinding expression.");
1686 result.SetStatus(eReturnStatusFailed);
1689 return result.Succeeded();
1692 ValueObjectSP return_valobj_sp;
1694 StackFrameSP frame_sp = m_exe_ctx.GetFrameSP();
1695 uint32_t frame_idx = frame_sp->GetFrameIndex();
1697 if (frame_sp->IsInlined()) {
1698 result.AppendError("Don't know how to return from inlined frames.");
1699 result.SetStatus(eReturnStatusFailed);
1703 if (!command.empty()) {
1704 Target *target = m_exe_ctx.GetTargetPtr();
1705 EvaluateExpressionOptions options;
1707 options.SetUnwindOnError(true);
1708 options.SetUseDynamic(eNoDynamicValues);
1710 ExpressionResults exe_results = eExpressionSetupError;
1711 exe_results = target->EvaluateExpression(command, frame_sp.get(),
1712 return_valobj_sp, options);
1713 if (exe_results != eExpressionCompleted) {
1714 if (return_valobj_sp)
1715 result.AppendErrorWithFormat(
1716 "Error evaluating result expression: %s",
1717 return_valobj_sp->GetError().AsCString());
1719 result.AppendErrorWithFormat(
1720 "Unknown error evaluating result expression.");
1721 result.SetStatus(eReturnStatusFailed);
1727 ThreadSP thread_sp = m_exe_ctx.GetThreadSP();
1728 const bool broadcast = true;
1729 error = thread_sp->ReturnFromFrame(frame_sp, return_valobj_sp, broadcast);
1730 if (!error.Success()) {
1731 result.AppendErrorWithFormat(
1732 "Error returning from frame %d of thread %d: %s.", frame_idx,
1733 thread_sp->GetIndexID(), error.AsCString());
1734 result.SetStatus(eReturnStatusFailed);
1738 result.SetStatus(eReturnStatusSuccessFinishResult);
1742 CommandOptions m_options;
1745 //-------------------------------------------------------------------------
1746 // CommandObjectThreadJump
1747 //-------------------------------------------------------------------------
1749 static constexpr OptionDefinition g_thread_jump_options[] = {
1751 { LLDB_OPT_SET_1, false, "file", 'f', OptionParser::eRequiredArgument, nullptr, {}, CommandCompletions::eSourceFileCompletion, eArgTypeFilename, "Specifies the source file to jump to." },
1752 { LLDB_OPT_SET_1, true, "line", 'l', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeLineNum, "Specifies the line number to jump to." },
1753 { LLDB_OPT_SET_2, true, "by", 'b', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeOffset, "Jumps by a relative line offset from the current line." },
1754 { LLDB_OPT_SET_3, true, "address", 'a', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeAddressOrExpression, "Jumps to a specific address." },
1755 { LLDB_OPT_SET_1 | LLDB_OPT_SET_2 | LLDB_OPT_SET_3, false, "force", 'r', OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, "Allows the PC to leave the current function." }
1759 class CommandObjectThreadJump : public CommandObjectParsed {
1761 class CommandOptions : public Options {
1763 CommandOptions() : Options() { OptionParsingStarting(nullptr); }
1765 ~CommandOptions() override = default;
1767 void OptionParsingStarting(ExecutionContext *execution_context) override {
1768 m_filenames.Clear();
1771 m_load_addr = LLDB_INVALID_ADDRESS;
1775 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
1776 ExecutionContext *execution_context) override {
1777 const int short_option = m_getopt_table[option_idx].val;
1780 switch (short_option) {
1782 m_filenames.AppendIfUnique(FileSpec(option_arg));
1783 if (m_filenames.GetSize() > 1)
1784 return Status("only one source file expected.");
1787 if (option_arg.getAsInteger(0, m_line_num))
1788 return Status("invalid line number: '%s'.", option_arg.str().c_str());
1791 if (option_arg.getAsInteger(0, m_line_offset))
1792 return Status("invalid line offset: '%s'.", option_arg.str().c_str());
1795 m_load_addr = OptionArgParser::ToAddress(execution_context, option_arg,
1796 LLDB_INVALID_ADDRESS, &error);
1802 return Status("invalid short option character '%c'", short_option);
1807 llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
1808 return llvm::makeArrayRef(g_thread_jump_options);
1811 FileSpecList m_filenames;
1812 uint32_t m_line_num;
1813 int32_t m_line_offset;
1814 lldb::addr_t m_load_addr;
1818 CommandObjectThreadJump(CommandInterpreter &interpreter)
1819 : CommandObjectParsed(
1820 interpreter, "thread jump",
1821 "Sets the program counter to a new address.", "thread jump",
1822 eCommandRequiresFrame | eCommandTryTargetAPILock |
1823 eCommandProcessMustBeLaunched | eCommandProcessMustBePaused),
1826 ~CommandObjectThreadJump() override = default;
1828 Options *GetOptions() override { return &m_options; }
1831 bool DoExecute(Args &args, CommandReturnObject &result) override {
1832 RegisterContext *reg_ctx = m_exe_ctx.GetRegisterContext();
1833 StackFrame *frame = m_exe_ctx.GetFramePtr();
1834 Thread *thread = m_exe_ctx.GetThreadPtr();
1835 Target *target = m_exe_ctx.GetTargetPtr();
1836 const SymbolContext &sym_ctx =
1837 frame->GetSymbolContext(eSymbolContextLineEntry);
1839 if (m_options.m_load_addr != LLDB_INVALID_ADDRESS) {
1840 // Use this address directly.
1841 Address dest = Address(m_options.m_load_addr);
1843 lldb::addr_t callAddr = dest.GetCallableLoadAddress(target);
1844 if (callAddr == LLDB_INVALID_ADDRESS) {
1845 result.AppendErrorWithFormat("Invalid destination address.");
1846 result.SetStatus(eReturnStatusFailed);
1850 if (!reg_ctx->SetPC(callAddr)) {
1851 result.AppendErrorWithFormat("Error changing PC value for thread %d.",
1852 thread->GetIndexID());
1853 result.SetStatus(eReturnStatusFailed);
1857 // Pick either the absolute line, or work out a relative one.
1858 int32_t line = (int32_t)m_options.m_line_num;
1860 line = sym_ctx.line_entry.line + m_options.m_line_offset;
1862 // Try the current file, but override if asked.
1863 FileSpec file = sym_ctx.line_entry.file;
1864 if (m_options.m_filenames.GetSize() == 1)
1865 file = m_options.m_filenames.GetFileSpecAtIndex(0);
1868 result.AppendErrorWithFormat(
1869 "No source file available for the current location.");
1870 result.SetStatus(eReturnStatusFailed);
1874 std::string warnings;
1875 Status err = thread->JumpToLine(file, line, m_options.m_force, &warnings);
1878 result.SetError(err);
1882 if (!warnings.empty())
1883 result.AppendWarning(warnings.c_str());
1886 result.SetStatus(eReturnStatusSuccessFinishResult);
1890 CommandOptions m_options;
1893 //-------------------------------------------------------------------------
1894 // Next are the subcommands of CommandObjectMultiwordThreadPlan
1895 //-------------------------------------------------------------------------
1897 //-------------------------------------------------------------------------
1898 // CommandObjectThreadPlanList
1899 //-------------------------------------------------------------------------
1901 static constexpr OptionDefinition g_thread_plan_list_options[] = {
1903 { LLDB_OPT_SET_1, false, "verbose", 'v', OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, "Display more information about the thread plans" },
1904 { LLDB_OPT_SET_1, false, "internal", 'i', OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, "Display internal as well as user thread plans" }
1908 class CommandObjectThreadPlanList : public CommandObjectIterateOverThreads {
1910 class CommandOptions : public Options {
1912 CommandOptions() : Options() {
1913 // Keep default values of all options in one place: OptionParsingStarting
1915 OptionParsingStarting(nullptr);
1918 ~CommandOptions() override = default;
1920 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
1921 ExecutionContext *execution_context) override {
1923 const int short_option = m_getopt_table[option_idx].val;
1925 switch (short_option) {
1933 error.SetErrorStringWithFormat("invalid short option character '%c'",
1940 void OptionParsingStarting(ExecutionContext *execution_context) override {
1945 llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
1946 return llvm::makeArrayRef(g_thread_plan_list_options);
1949 // Instance variables to hold the values for command options.
1954 CommandObjectThreadPlanList(CommandInterpreter &interpreter)
1955 : CommandObjectIterateOverThreads(
1956 interpreter, "thread plan list",
1957 "Show thread plans for one or more threads. If no threads are "
1958 "specified, show the "
1959 "current thread. Use the thread-index \"all\" to see all threads.",
1961 eCommandRequiresProcess | eCommandRequiresThread |
1962 eCommandTryTargetAPILock | eCommandProcessMustBeLaunched |
1963 eCommandProcessMustBePaused),
1966 ~CommandObjectThreadPlanList() override = default;
1968 Options *GetOptions() override { return &m_options; }
1971 bool HandleOneThread(lldb::tid_t tid, CommandReturnObject &result) override {
1972 ThreadSP thread_sp =
1973 m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid);
1975 result.AppendErrorWithFormat("thread no longer exists: 0x%" PRIx64 "\n",
1977 result.SetStatus(eReturnStatusFailed);
1981 Thread *thread = thread_sp.get();
1983 Stream &strm = result.GetOutputStream();
1984 DescriptionLevel desc_level = eDescriptionLevelFull;
1985 if (m_options.m_verbose)
1986 desc_level = eDescriptionLevelVerbose;
1988 thread->DumpThreadPlans(&strm, desc_level, m_options.m_internal, true);
1992 CommandOptions m_options;
1995 class CommandObjectThreadPlanDiscard : public CommandObjectParsed {
1997 CommandObjectThreadPlanDiscard(CommandInterpreter &interpreter)
1998 : CommandObjectParsed(interpreter, "thread plan discard",
1999 "Discards thread plans up to and including the "
2000 "specified index (see 'thread plan list'.) "
2001 "Only user visible plans can be discarded.",
2003 eCommandRequiresProcess | eCommandRequiresThread |
2004 eCommandTryTargetAPILock |
2005 eCommandProcessMustBeLaunched |
2006 eCommandProcessMustBePaused) {
2007 CommandArgumentEntry arg;
2008 CommandArgumentData plan_index_arg;
2010 // Define the first (and only) variant of this arg.
2011 plan_index_arg.arg_type = eArgTypeUnsignedInteger;
2012 plan_index_arg.arg_repetition = eArgRepeatPlain;
2014 // There is only one variant this argument could be; put it into the
2016 arg.push_back(plan_index_arg);
2018 // Push the data for the first argument into the m_arguments vector.
2019 m_arguments.push_back(arg);
2022 ~CommandObjectThreadPlanDiscard() override = default;
2024 bool DoExecute(Args &args, CommandReturnObject &result) override {
2025 Thread *thread = m_exe_ctx.GetThreadPtr();
2026 if (args.GetArgumentCount() != 1) {
2027 result.AppendErrorWithFormat("Too many arguments, expected one - the "
2028 "thread plan index - but got %zu.",
2029 args.GetArgumentCount());
2030 result.SetStatus(eReturnStatusFailed);
2035 uint32_t thread_plan_idx =
2036 StringConvert::ToUInt32(args.GetArgumentAtIndex(0), 0, 0, &success);
2038 result.AppendErrorWithFormat(
2039 "Invalid thread index: \"%s\" - should be unsigned int.",
2040 args.GetArgumentAtIndex(0));
2041 result.SetStatus(eReturnStatusFailed);
2045 if (thread_plan_idx == 0) {
2046 result.AppendErrorWithFormat(
2047 "You wouldn't really want me to discard the base thread plan.");
2048 result.SetStatus(eReturnStatusFailed);
2052 if (thread->DiscardUserThreadPlansUpToIndex(thread_plan_idx)) {
2053 result.SetStatus(eReturnStatusSuccessFinishNoResult);
2056 result.AppendErrorWithFormat(
2057 "Could not find User thread plan with index %s.",
2058 args.GetArgumentAtIndex(0));
2059 result.SetStatus(eReturnStatusFailed);
2065 //-------------------------------------------------------------------------
2066 // CommandObjectMultiwordThreadPlan
2067 //-------------------------------------------------------------------------
2069 class CommandObjectMultiwordThreadPlan : public CommandObjectMultiword {
2071 CommandObjectMultiwordThreadPlan(CommandInterpreter &interpreter)
2072 : CommandObjectMultiword(
2073 interpreter, "plan",
2074 "Commands for managing thread plans that control execution.",
2075 "thread plan <subcommand> [<subcommand objects]") {
2077 "list", CommandObjectSP(new CommandObjectThreadPlanList(interpreter)));
2080 CommandObjectSP(new CommandObjectThreadPlanDiscard(interpreter)));
2083 ~CommandObjectMultiwordThreadPlan() override = default;
2086 //-------------------------------------------------------------------------
2087 // CommandObjectMultiwordThread
2088 //-------------------------------------------------------------------------
2090 CommandObjectMultiwordThread::CommandObjectMultiwordThread(
2091 CommandInterpreter &interpreter)
2092 : CommandObjectMultiword(interpreter, "thread", "Commands for operating on "
2093 "one or more threads in "
2094 "the current process.",
2095 "thread <subcommand> [<subcommand-options>]") {
2096 LoadSubCommand("backtrace", CommandObjectSP(new CommandObjectThreadBacktrace(
2098 LoadSubCommand("continue",
2099 CommandObjectSP(new CommandObjectThreadContinue(interpreter)));
2100 LoadSubCommand("list",
2101 CommandObjectSP(new CommandObjectThreadList(interpreter)));
2102 LoadSubCommand("return",
2103 CommandObjectSP(new CommandObjectThreadReturn(interpreter)));
2104 LoadSubCommand("jump",
2105 CommandObjectSP(new CommandObjectThreadJump(interpreter)));
2106 LoadSubCommand("select",
2107 CommandObjectSP(new CommandObjectThreadSelect(interpreter)));
2108 LoadSubCommand("until",
2109 CommandObjectSP(new CommandObjectThreadUntil(interpreter)));
2110 LoadSubCommand("info",
2111 CommandObjectSP(new CommandObjectThreadInfo(interpreter)));
2114 CommandObjectSP(new CommandObjectThreadException(interpreter)));
2115 LoadSubCommand("step-in",
2116 CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope(
2117 interpreter, "thread step-in",
2118 "Source level single step, stepping into calls. Defaults "
2119 "to current thread unless specified.",
2120 nullptr, eStepTypeInto, eStepScopeSource)));
2122 LoadSubCommand("step-out",
2123 CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope(
2124 interpreter, "thread step-out",
2125 "Finish executing the current stack frame and stop after "
2126 "returning. Defaults to current thread unless specified.",
2127 nullptr, eStepTypeOut, eStepScopeSource)));
2129 LoadSubCommand("step-over",
2130 CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope(
2131 interpreter, "thread step-over",
2132 "Source level single step, stepping over calls. Defaults "
2133 "to current thread unless specified.",
2134 nullptr, eStepTypeOver, eStepScopeSource)));
2136 LoadSubCommand("step-inst",
2137 CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope(
2138 interpreter, "thread step-inst",
2139 "Instruction level single step, stepping into calls. "
2140 "Defaults to current thread unless specified.",
2141 nullptr, eStepTypeTrace, eStepScopeInstruction)));
2143 LoadSubCommand("step-inst-over",
2144 CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope(
2145 interpreter, "thread step-inst-over",
2146 "Instruction level single step, stepping over calls. "
2147 "Defaults to current thread unless specified.",
2148 nullptr, eStepTypeTraceOver, eStepScopeInstruction)));
2152 CommandObjectSP(new CommandObjectThreadStepWithTypeAndScope(
2153 interpreter, "thread step-scripted",
2154 "Step as instructed by the script class passed in the -C option.",
2155 nullptr, eStepTypeScripted, eStepScopeSource)));
2157 LoadSubCommand("plan", CommandObjectSP(new CommandObjectMultiwordThreadPlan(
2161 CommandObjectMultiwordThread::~CommandObjectMultiwordThread() = default;