llvm-project/lldb/source/API/SBThread.cpp

1491 lines
48 KiB
C++

//===-- SBThread.cpp --------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/API/SBThread.h"
#include "lldb/API/SBFileSpec.h"
#include "lldb/API/SBStream.h"
#include "lldb/API/SBSymbolContext.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/State.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Symbol/SymbolContext.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Queue.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/SystemRuntime.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadPlan.h"
#include "lldb/Target/ThreadPlanStepInRange.h"
#include "lldb/Target/ThreadPlanStepInstruction.h"
#include "lldb/Target/ThreadPlanStepOut.h"
#include "lldb/Target/ThreadPlanStepRange.h"
#include "lldb/Target/UnixSignals.h"
#include "lldb/Utility/Stream.h"
#include "lldb/Utility/StructuredData.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBEvent.h"
#include "lldb/API/SBFrame.h"
#include "lldb/API/SBProcess.h"
#include "lldb/API/SBThreadCollection.h"
#include "lldb/API/SBThreadPlan.h"
#include "lldb/API/SBValue.h"
#include "lldb/lldb-enumerations.h"
using namespace lldb;
using namespace lldb_private;
const char *SBThread::GetBroadcasterClassName() {
return Thread::GetStaticBroadcasterClass().AsCString();
}
//----------------------------------------------------------------------
// Constructors
//----------------------------------------------------------------------
SBThread::SBThread() : m_opaque_sp(new ExecutionContextRef()) {}
SBThread::SBThread(const ThreadSP &lldb_object_sp)
: m_opaque_sp(new ExecutionContextRef(lldb_object_sp)) {}
SBThread::SBThread(const SBThread &rhs)
: m_opaque_sp(new ExecutionContextRef(*rhs.m_opaque_sp)) {}
//----------------------------------------------------------------------
// Assignment operator
//----------------------------------------------------------------------
const lldb::SBThread &SBThread::operator=(const SBThread &rhs) {
if (this != &rhs)
*m_opaque_sp = *rhs.m_opaque_sp;
return *this;
}
//----------------------------------------------------------------------
// Destructor
//----------------------------------------------------------------------
SBThread::~SBThread() {}
lldb::SBQueue SBThread::GetQueue() const {
SBQueue sb_queue;
QueueSP queue_sp;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
queue_sp = exe_ctx.GetThreadPtr()->GetQueue();
if (queue_sp) {
sb_queue.SetQueue(queue_sp);
}
} else {
if (log)
log->Printf("SBThread(%p)::GetQueue() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log)
log->Printf("SBThread(%p)::GetQueue () => SBQueue(%p)",
static_cast<void *>(exe_ctx.GetThreadPtr()),
static_cast<void *>(queue_sp.get()));
return sb_queue;
}
bool SBThread::IsValid() const {
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
Target *target = exe_ctx.GetTargetPtr();
Process *process = exe_ctx.GetProcessPtr();
if (target && process) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&process->GetRunLock()))
return m_opaque_sp->GetThreadSP().get() != NULL;
}
// Without a valid target & process, this thread can't be valid.
return false;
}
void SBThread::Clear() { m_opaque_sp->Clear(); }
StopReason SBThread::GetStopReason() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
StopReason reason = eStopReasonInvalid;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
return exe_ctx.GetThreadPtr()->GetStopReason();
} else {
if (log)
log->Printf(
"SBThread(%p)::GetStopReason() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log)
log->Printf("SBThread(%p)::GetStopReason () => %s",
static_cast<void *>(exe_ctx.GetThreadPtr()),
Thread::StopReasonAsCString(reason));
return reason;
}
size_t SBThread::GetStopReasonDataCount() {
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
StopInfoSP stop_info_sp = exe_ctx.GetThreadPtr()->GetStopInfo();
if (stop_info_sp) {
StopReason reason = stop_info_sp->GetStopReason();
switch (reason) {
case eStopReasonInvalid:
case eStopReasonNone:
case eStopReasonTrace:
case eStopReasonExec:
case eStopReasonPlanComplete:
case eStopReasonThreadExiting:
case eStopReasonInstrumentation:
// There is no data for these stop reasons.
return 0;
case eStopReasonBreakpoint: {
break_id_t site_id = stop_info_sp->GetValue();
lldb::BreakpointSiteSP bp_site_sp(
exe_ctx.GetProcessPtr()->GetBreakpointSiteList().FindByID(
site_id));
if (bp_site_sp)
return bp_site_sp->GetNumberOfOwners() * 2;
else
return 0; // Breakpoint must have cleared itself...
} break;
case eStopReasonWatchpoint:
return 1;
case eStopReasonSignal:
return 1;
case eStopReasonException:
return 1;
}
}
} else {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBThread(%p)::GetStopReasonDataCount() => error: process "
"is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
return 0;
}
uint64_t SBThread::GetStopReasonDataAtIndex(uint32_t idx) {
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
Thread *thread = exe_ctx.GetThreadPtr();
StopInfoSP stop_info_sp = thread->GetStopInfo();
if (stop_info_sp) {
StopReason reason = stop_info_sp->GetStopReason();
switch (reason) {
case eStopReasonInvalid:
case eStopReasonNone:
case eStopReasonTrace:
case eStopReasonExec:
case eStopReasonPlanComplete:
case eStopReasonThreadExiting:
case eStopReasonInstrumentation:
// There is no data for these stop reasons.
return 0;
case eStopReasonBreakpoint: {
break_id_t site_id = stop_info_sp->GetValue();
lldb::BreakpointSiteSP bp_site_sp(
exe_ctx.GetProcessPtr()->GetBreakpointSiteList().FindByID(
site_id));
if (bp_site_sp) {
uint32_t bp_index = idx / 2;
BreakpointLocationSP bp_loc_sp(
bp_site_sp->GetOwnerAtIndex(bp_index));
if (bp_loc_sp) {
if (idx & 1) {
// Odd idx, return the breakpoint location ID
return bp_loc_sp->GetID();
} else {
// Even idx, return the breakpoint ID
return bp_loc_sp->GetBreakpoint().GetID();
}
}
}
return LLDB_INVALID_BREAK_ID;
} break;
case eStopReasonWatchpoint:
return stop_info_sp->GetValue();
case eStopReasonSignal:
return stop_info_sp->GetValue();
case eStopReasonException:
return stop_info_sp->GetValue();
}
}
} else {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf("SBThread(%p)::GetStopReasonDataAtIndex() => error: "
"process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
return 0;
}
bool SBThread::GetStopReasonExtendedInfoAsJSON(lldb::SBStream &stream) {
Stream &strm = stream.ref();
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (!exe_ctx.HasThreadScope())
return false;
StopInfoSP stop_info = exe_ctx.GetThreadPtr()->GetStopInfo();
StructuredData::ObjectSP info = stop_info->GetExtendedInfo();
if (!info)
return false;
info->Dump(strm);
return true;
}
SBThreadCollection
SBThread::GetStopReasonExtendedBacktraces(InstrumentationRuntimeType type) {
ThreadCollectionSP threads;
threads.reset(new ThreadCollection());
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (!exe_ctx.HasThreadScope())
return threads;
ProcessSP process_sp = exe_ctx.GetProcessSP();
StopInfoSP stop_info = exe_ctx.GetThreadPtr()->GetStopInfo();
StructuredData::ObjectSP info = stop_info->GetExtendedInfo();
if (!info)
return threads;
return process_sp->GetInstrumentationRuntime(type)
->GetBacktracesFromExtendedStopInfo(info);
}
size_t SBThread::GetStopDescription(char *dst, size_t dst_len) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
StopInfoSP stop_info_sp = exe_ctx.GetThreadPtr()->GetStopInfo();
if (stop_info_sp) {
const char *stop_desc = stop_info_sp->GetDescription();
if (stop_desc) {
if (log)
log->Printf(
"SBThread(%p)::GetStopDescription (dst, dst_len) => \"%s\"",
static_cast<void *>(exe_ctx.GetThreadPtr()), stop_desc);
if (dst)
return ::snprintf(dst, dst_len, "%s", stop_desc);
else {
// NULL dst passed in, return the length needed to contain the
// description
return ::strlen(stop_desc) + 1; // Include the NULL byte for size
}
} else {
size_t stop_desc_len = 0;
switch (stop_info_sp->GetStopReason()) {
case eStopReasonTrace:
case eStopReasonPlanComplete: {
static char trace_desc[] = "step";
stop_desc = trace_desc;
stop_desc_len =
sizeof(trace_desc); // Include the NULL byte for size
} break;
case eStopReasonBreakpoint: {
static char bp_desc[] = "breakpoint hit";
stop_desc = bp_desc;
stop_desc_len = sizeof(bp_desc); // Include the NULL byte for size
} break;
case eStopReasonWatchpoint: {
static char wp_desc[] = "watchpoint hit";
stop_desc = wp_desc;
stop_desc_len = sizeof(wp_desc); // Include the NULL byte for size
} break;
case eStopReasonSignal: {
stop_desc =
exe_ctx.GetProcessPtr()->GetUnixSignals()->GetSignalAsCString(
stop_info_sp->GetValue());
if (stop_desc == NULL || stop_desc[0] == '\0') {
static char signal_desc[] = "signal";
stop_desc = signal_desc;
stop_desc_len =
sizeof(signal_desc); // Include the NULL byte for size
}
} break;
case eStopReasonException: {
char exc_desc[] = "exception";
stop_desc = exc_desc;
stop_desc_len = sizeof(exc_desc); // Include the NULL byte for size
} break;
case eStopReasonExec: {
char exc_desc[] = "exec";
stop_desc = exc_desc;
stop_desc_len = sizeof(exc_desc); // Include the NULL byte for size
} break;
case eStopReasonThreadExiting: {
char limbo_desc[] = "thread exiting";
stop_desc = limbo_desc;
stop_desc_len = sizeof(limbo_desc);
} break;
default:
break;
}
if (stop_desc && stop_desc[0]) {
if (log)
log->Printf(
"SBThread(%p)::GetStopDescription (dst, dst_len) => '%s'",
static_cast<void *>(exe_ctx.GetThreadPtr()), stop_desc);
if (dst)
return ::snprintf(dst, dst_len, "%s", stop_desc) +
1; // Include the NULL byte
if (stop_desc_len == 0)
stop_desc_len = ::strlen(stop_desc) + 1; // Include the NULL byte
return stop_desc_len;
}
}
}
} else {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log)
log->Printf(
"SBThread(%p)::GetStopDescription() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (dst)
*dst = 0;
return 0;
}
SBValue SBThread::GetStopReturnValue() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
ValueObjectSP return_valobj_sp;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
StopInfoSP stop_info_sp = exe_ctx.GetThreadPtr()->GetStopInfo();
if (stop_info_sp) {
return_valobj_sp = StopInfo::GetReturnValueObject(stop_info_sp);
}
} else {
if (log)
log->Printf(
"SBThread(%p)::GetStopReturnValue() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log)
log->Printf("SBThread(%p)::GetStopReturnValue () => %s",
static_cast<void *>(exe_ctx.GetThreadPtr()),
return_valobj_sp.get() ? return_valobj_sp->GetValueAsCString()
: "<no return value>");
return SBValue(return_valobj_sp);
}
void SBThread::SetThread(const ThreadSP &lldb_object_sp) {
m_opaque_sp->SetThreadSP(lldb_object_sp);
}
lldb::tid_t SBThread::GetThreadID() const {
ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
if (thread_sp)
return thread_sp->GetID();
return LLDB_INVALID_THREAD_ID;
}
uint32_t SBThread::GetIndexID() const {
ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
if (thread_sp)
return thread_sp->GetIndexID();
return LLDB_INVALID_INDEX32;
}
const char *SBThread::GetName() const {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
const char *name = NULL;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
name = exe_ctx.GetThreadPtr()->GetName();
} else {
if (log)
log->Printf("SBThread(%p)::GetName() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log)
log->Printf("SBThread(%p)::GetName () => %s",
static_cast<void *>(exe_ctx.GetThreadPtr()),
name ? name : "NULL");
return name;
}
const char *SBThread::GetQueueName() const {
const char *name = NULL;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
name = exe_ctx.GetThreadPtr()->GetQueueName();
} else {
if (log)
log->Printf("SBThread(%p)::GetQueueName() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log)
log->Printf("SBThread(%p)::GetQueueName () => %s",
static_cast<void *>(exe_ctx.GetThreadPtr()),
name ? name : "NULL");
return name;
}
lldb::queue_id_t SBThread::GetQueueID() const {
queue_id_t id = LLDB_INVALID_QUEUE_ID;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
id = exe_ctx.GetThreadPtr()->GetQueueID();
} else {
if (log)
log->Printf("SBThread(%p)::GetQueueID() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log)
log->Printf("SBThread(%p)::GetQueueID () => 0x%" PRIx64,
static_cast<void *>(exe_ctx.GetThreadPtr()), id);
return id;
}
bool SBThread::GetInfoItemByPathAsString(const char *path, SBStream &strm) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
bool success = false;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
Thread *thread = exe_ctx.GetThreadPtr();
StructuredData::ObjectSP info_root_sp = thread->GetExtendedInfo();
if (info_root_sp) {
StructuredData::ObjectSP node =
info_root_sp->GetObjectForDotSeparatedPath(path);
if (node) {
if (node->GetType() == eStructuredDataTypeString) {
strm.Printf("%s", node->GetAsString()->GetValue().str().c_str());
success = true;
}
if (node->GetType() == eStructuredDataTypeInteger) {
strm.Printf("0x%" PRIx64, node->GetAsInteger()->GetValue());
success = true;
}
if (node->GetType() == eStructuredDataTypeFloat) {
strm.Printf("0x%f", node->GetAsFloat()->GetValue());
success = true;
}
if (node->GetType() == eStructuredDataTypeBoolean) {
if (node->GetAsBoolean()->GetValue() == true)
strm.Printf("true");
else
strm.Printf("false");
success = true;
}
if (node->GetType() == eStructuredDataTypeNull) {
strm.Printf("null");
success = true;
}
}
}
} else {
if (log)
log->Printf("SBThread(%p)::GetInfoItemByPathAsString() => error: "
"process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log)
log->Printf("SBThread(%p)::GetInfoItemByPathAsString (\"%s\") => \"%s\"",
static_cast<void *>(exe_ctx.GetThreadPtr()), path, strm.GetData());
return success;
}
SBError SBThread::ResumeNewPlan(ExecutionContext &exe_ctx,
ThreadPlan *new_plan) {
SBError sb_error;
Process *process = exe_ctx.GetProcessPtr();
if (!process) {
sb_error.SetErrorString("No process in SBThread::ResumeNewPlan");
return sb_error;
}
Thread *thread = exe_ctx.GetThreadPtr();
if (!thread) {
sb_error.SetErrorString("No thread in SBThread::ResumeNewPlan");
return sb_error;
}
// User level plans should be Master Plans so they can be interrupted, other
// plans executed, and then a "continue" will resume the plan.
if (new_plan != NULL) {
new_plan->SetIsMasterPlan(true);
new_plan->SetOkayToDiscard(false);
}
// Why do we need to set the current thread by ID here???
process->GetThreadList().SetSelectedThreadByID(thread->GetID());
if (process->GetTarget().GetDebugger().GetAsyncExecution())
sb_error.ref() = process->Resume();
else
sb_error.ref() = process->ResumeSynchronous(NULL);
return sb_error;
}
void SBThread::StepOver(lldb::RunMode stop_other_threads) {
SBError error; // Ignored
StepOver(stop_other_threads, error);
}
void SBThread::StepOver(lldb::RunMode stop_other_threads, SBError &error) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (log)
log->Printf("SBThread(%p)::StepOver (stop_other_threads='%s')",
static_cast<void *>(exe_ctx.GetThreadPtr()),
Thread::RunModeAsCString(stop_other_threads));
if (!exe_ctx.HasThreadScope()) {
error.SetErrorString("this SBThread object is invalid");
return;
}
Thread *thread = exe_ctx.GetThreadPtr();
bool abort_other_plans = false;
StackFrameSP frame_sp(thread->GetStackFrameAtIndex(0));
ThreadPlanSP new_plan_sp;
if (frame_sp) {
if (frame_sp->HasDebugInformation()) {
const LazyBool avoid_no_debug = eLazyBoolCalculate;
SymbolContext sc(frame_sp->GetSymbolContext(eSymbolContextEverything));
new_plan_sp = thread->QueueThreadPlanForStepOverRange(
abort_other_plans, sc.line_entry, sc, stop_other_threads,
avoid_no_debug);
} else {
new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction(
true, abort_other_plans, stop_other_threads);
}
}
error = ResumeNewPlan(exe_ctx, new_plan_sp.get());
}
void SBThread::StepInto(lldb::RunMode stop_other_threads) {
StepInto(NULL, stop_other_threads);
}
void SBThread::StepInto(const char *target_name,
lldb::RunMode stop_other_threads) {
SBError error; // Ignored
StepInto(target_name, LLDB_INVALID_LINE_NUMBER, error, stop_other_threads);
}
void SBThread::StepInto(const char *target_name, uint32_t end_line,
SBError &error, lldb::RunMode stop_other_threads) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (log)
log->Printf(
"SBThread(%p)::StepInto (target_name='%s', stop_other_threads='%s')",
static_cast<void *>(exe_ctx.GetThreadPtr()),
target_name ? target_name : "<NULL>",
Thread::RunModeAsCString(stop_other_threads));
if (!exe_ctx.HasThreadScope()) {
error.SetErrorString("this SBThread object is invalid");
return;
}
bool abort_other_plans = false;
Thread *thread = exe_ctx.GetThreadPtr();
StackFrameSP frame_sp(thread->GetStackFrameAtIndex(0));
ThreadPlanSP new_plan_sp;
if (frame_sp && frame_sp->HasDebugInformation()) {
SymbolContext sc(frame_sp->GetSymbolContext(eSymbolContextEverything));
AddressRange range;
if (end_line == LLDB_INVALID_LINE_NUMBER)
range = sc.line_entry.range;
else {
if (!sc.GetAddressRangeFromHereToEndLine(end_line, range, error.ref()))
return;
}
const LazyBool step_out_avoids_code_without_debug_info =
eLazyBoolCalculate;
const LazyBool step_in_avoids_code_without_debug_info =
eLazyBoolCalculate;
new_plan_sp = thread->QueueThreadPlanForStepInRange(
abort_other_plans, range, sc, target_name, stop_other_threads,
step_in_avoids_code_without_debug_info,
step_out_avoids_code_without_debug_info);
} else {
new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction(
false, abort_other_plans, stop_other_threads);
}
error = ResumeNewPlan(exe_ctx, new_plan_sp.get());
}
void SBThread::StepOut() {
SBError error; // Ignored
StepOut(error);
}
void SBThread::StepOut(SBError &error) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (log)
log->Printf("SBThread(%p)::StepOut ()",
static_cast<void *>(exe_ctx.GetThreadPtr()));
if (!exe_ctx.HasThreadScope()) {
error.SetErrorString("this SBThread object is invalid");
return;
}
bool abort_other_plans = false;
bool stop_other_threads = false;
Thread *thread = exe_ctx.GetThreadPtr();
const LazyBool avoid_no_debug = eLazyBoolCalculate;
ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForStepOut(
abort_other_plans, NULL, false, stop_other_threads, eVoteYes,
eVoteNoOpinion, 0, avoid_no_debug));
error = ResumeNewPlan(exe_ctx, new_plan_sp.get());
}
void SBThread::StepOutOfFrame(SBFrame &sb_frame) {
SBError error; // Ignored
StepOutOfFrame(sb_frame, error);
}
void SBThread::StepOutOfFrame(SBFrame &sb_frame, SBError &error) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (!sb_frame.IsValid()) {
if (log)
log->Printf(
"SBThread(%p)::StepOutOfFrame passed an invalid frame, returning.",
static_cast<void *>(exe_ctx.GetThreadPtr()));
error.SetErrorString("passed invalid SBFrame object");
return;
}
StackFrameSP frame_sp(sb_frame.GetFrameSP());
if (log) {
SBStream frame_desc_strm;
sb_frame.GetDescription(frame_desc_strm);
log->Printf("SBThread(%p)::StepOutOfFrame (frame = SBFrame(%p): %s)",
static_cast<void *>(exe_ctx.GetThreadPtr()),
static_cast<void *>(frame_sp.get()), frame_desc_strm.GetData());
}
if (!exe_ctx.HasThreadScope()) {
error.SetErrorString("this SBThread object is invalid");
return;
}
bool abort_other_plans = false;
bool stop_other_threads = false;
Thread *thread = exe_ctx.GetThreadPtr();
if (sb_frame.GetThread().GetThreadID() != thread->GetID()) {
log->Printf("SBThread(%p)::StepOutOfFrame passed a frame from another "
"thread (0x%" PRIx64 " vrs. 0x%" PRIx64 ", returning.",
static_cast<void *>(exe_ctx.GetThreadPtr()),
sb_frame.GetThread().GetThreadID(), thread->GetID());
error.SetErrorString("passed a frame from another thread");
return;
}
ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForStepOut(
abort_other_plans, NULL, false, stop_other_threads, eVoteYes,
eVoteNoOpinion, frame_sp->GetFrameIndex()));
error = ResumeNewPlan(exe_ctx, new_plan_sp.get());
}
void SBThread::StepInstruction(bool step_over) {
SBError error; // Ignored
StepInstruction(step_over, error);
}
void SBThread::StepInstruction(bool step_over, SBError &error) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (log)
log->Printf("SBThread(%p)::StepInstruction (step_over=%i)",
static_cast<void *>(exe_ctx.GetThreadPtr()), step_over);
if (!exe_ctx.HasThreadScope()) {
error.SetErrorString("this SBThread object is invalid");
return;
}
Thread *thread = exe_ctx.GetThreadPtr();
ThreadPlanSP new_plan_sp(
thread->QueueThreadPlanForStepSingleInstruction(step_over, true, true));
error = ResumeNewPlan(exe_ctx, new_plan_sp.get());
}
void SBThread::RunToAddress(lldb::addr_t addr) {
SBError error; // Ignored
RunToAddress(addr, error);
}
void SBThread::RunToAddress(lldb::addr_t addr, SBError &error) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (log)
log->Printf("SBThread(%p)::RunToAddress (addr=0x%" PRIx64 ")",
static_cast<void *>(exe_ctx.GetThreadPtr()), addr);
if (!exe_ctx.HasThreadScope()) {
error.SetErrorString("this SBThread object is invalid");
return;
}
bool abort_other_plans = false;
bool stop_other_threads = true;
Address target_addr(addr);
Thread *thread = exe_ctx.GetThreadPtr();
ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForRunToAddress(
abort_other_plans, target_addr, stop_other_threads));
error = ResumeNewPlan(exe_ctx, new_plan_sp.get());
}
SBError SBThread::StepOverUntil(lldb::SBFrame &sb_frame,
lldb::SBFileSpec &sb_file_spec, uint32_t line) {
SBError sb_error;
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
char path[PATH_MAX];
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
StackFrameSP frame_sp(sb_frame.GetFrameSP());
if (log) {
SBStream frame_desc_strm;
sb_frame.GetDescription(frame_desc_strm);
sb_file_spec->GetPath(path, sizeof(path));
log->Printf("SBThread(%p)::StepOverUntil (frame = SBFrame(%p): %s, "
"file+line = %s:%u)",
static_cast<void *>(exe_ctx.GetThreadPtr()),
static_cast<void *>(frame_sp.get()), frame_desc_strm.GetData(),
path, line);
}
if (exe_ctx.HasThreadScope()) {
Target *target = exe_ctx.GetTargetPtr();
Thread *thread = exe_ctx.GetThreadPtr();
if (line == 0) {
sb_error.SetErrorString("invalid line argument");
return sb_error;
}
if (!frame_sp) {
frame_sp = thread->GetSelectedFrame();
if (!frame_sp)
frame_sp = thread->GetStackFrameAtIndex(0);
}
SymbolContext frame_sc;
if (!frame_sp) {
sb_error.SetErrorString("no valid frames in thread to step");
return sb_error;
}
// If we have a frame, get its line
frame_sc = frame_sp->GetSymbolContext(
eSymbolContextCompUnit | eSymbolContextFunction |
eSymbolContextLineEntry | eSymbolContextSymbol);
if (frame_sc.comp_unit == NULL) {
sb_error.SetErrorStringWithFormat(
"frame %u doesn't have debug information", frame_sp->GetFrameIndex());
return sb_error;
}
FileSpec step_file_spec;
if (sb_file_spec.IsValid()) {
// The file spec passed in was valid, so use it
step_file_spec = sb_file_spec.ref();
} else {
if (frame_sc.line_entry.IsValid())
step_file_spec = frame_sc.line_entry.file;
else {
sb_error.SetErrorString("invalid file argument or no file for frame");
return sb_error;
}
}
// Grab the current function, then we will make sure the "until" address is
// within the function. We discard addresses that are out of the current
// function, and then if there are no addresses remaining, give an
// appropriate error message.
bool all_in_function = true;
AddressRange fun_range = frame_sc.function->GetAddressRange();
std::vector<addr_t> step_over_until_addrs;
const bool abort_other_plans = false;
const bool stop_other_threads = false;
const bool check_inlines = true;
const bool exact = false;
SymbolContextList sc_list;
const uint32_t num_matches = frame_sc.comp_unit->ResolveSymbolContext(
step_file_spec, line, check_inlines, exact, eSymbolContextLineEntry,
sc_list);
if (num_matches > 0) {
SymbolContext sc;
for (uint32_t i = 0; i < num_matches; ++i) {
if (sc_list.GetContextAtIndex(i, sc)) {
addr_t step_addr =
sc.line_entry.range.GetBaseAddress().GetLoadAddress(target);
if (step_addr != LLDB_INVALID_ADDRESS) {
if (fun_range.ContainsLoadAddress(step_addr, target))
step_over_until_addrs.push_back(step_addr);
else
all_in_function = false;
}
}
}
}
if (step_over_until_addrs.empty()) {
if (all_in_function) {
step_file_spec.GetPath(path, sizeof(path));
sb_error.SetErrorStringWithFormat("No line entries for %s:%u", path,
line);
} else
sb_error.SetErrorString("step until target not in current function");
} else {
ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForStepUntil(
abort_other_plans, &step_over_until_addrs[0],
step_over_until_addrs.size(), stop_other_threads,
frame_sp->GetFrameIndex()));
sb_error = ResumeNewPlan(exe_ctx, new_plan_sp.get());
}
} else {
sb_error.SetErrorString("this SBThread object is invalid");
}
return sb_error;
}
SBError SBThread::StepUsingScriptedThreadPlan(const char *script_class_name) {
return StepUsingScriptedThreadPlan(script_class_name, true);
}
SBError SBThread::StepUsingScriptedThreadPlan(const char *script_class_name,
bool resume_immediately) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
SBError sb_error;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (log) {
log->Printf("SBThread(%p)::StepUsingScriptedThreadPlan: class name: %s",
static_cast<void *>(exe_ctx.GetThreadPtr()), script_class_name);
}
if (!exe_ctx.HasThreadScope()) {
sb_error.SetErrorString("this SBThread object is invalid");
return sb_error;
}
Thread *thread = exe_ctx.GetThreadPtr();
ThreadPlanSP thread_plan_sp =
thread->QueueThreadPlanForStepScripted(false, script_class_name, false);
if (!thread_plan_sp) {
sb_error.SetErrorStringWithFormat(
"Error queueing thread plan for class: %s", script_class_name);
return sb_error;
}
if (!resume_immediately) {
return sb_error;
}
if (thread_plan_sp)
sb_error = ResumeNewPlan(exe_ctx, thread_plan_sp.get());
else {
sb_error.SetErrorStringWithFormat(
"Error resuming thread plan for class: %s.", script_class_name);
if (log)
log->Printf("SBThread(%p)::StepUsingScriptedThreadPlan: Error queuing "
"thread plan for class: %s",
static_cast<void *>(exe_ctx.GetThreadPtr()),
script_class_name);
}
return sb_error;
}
SBError SBThread::JumpToLine(lldb::SBFileSpec &file_spec, uint32_t line) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
SBError sb_error;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (log)
log->Printf("SBThread(%p)::JumpToLine (file+line = %s:%u)",
static_cast<void *>(exe_ctx.GetThreadPtr()),
file_spec->GetPath().c_str(), line);
if (!exe_ctx.HasThreadScope()) {
sb_error.SetErrorString("this SBThread object is invalid");
return sb_error;
}
Thread *thread = exe_ctx.GetThreadPtr();
Status err = thread->JumpToLine(file_spec.get(), line, true);
sb_error.SetError(err);
return sb_error;
}
SBError SBThread::ReturnFromFrame(SBFrame &frame, SBValue &return_value) {
SBError sb_error;
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (log)
log->Printf("SBThread(%p)::ReturnFromFrame (frame=%d)",
static_cast<void *>(exe_ctx.GetThreadPtr()),
frame.GetFrameID());
if (exe_ctx.HasThreadScope()) {
Thread *thread = exe_ctx.GetThreadPtr();
sb_error.SetError(
thread->ReturnFromFrame(frame.GetFrameSP(), return_value.GetSP()));
}
return sb_error;
}
SBError SBThread::UnwindInnermostExpression() {
SBError sb_error;
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (log)
log->Printf("SBThread(%p)::UnwindExpressionEvaluation",
static_cast<void *>(exe_ctx.GetThreadPtr()));
if (exe_ctx.HasThreadScope()) {
Thread *thread = exe_ctx.GetThreadPtr();
sb_error.SetError(thread->UnwindInnermostExpression());
if (sb_error.Success())
thread->SetSelectedFrameByIndex(0, false);
}
return sb_error;
}
bool SBThread::Suspend() {
SBError error; // Ignored
return Suspend(error);
}
bool SBThread::Suspend(SBError &error) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
bool result = false;
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
exe_ctx.GetThreadPtr()->SetResumeState(eStateSuspended);
result = true;
} else {
error.SetErrorString("process is running");
if (log)
log->Printf("SBThread(%p)::Suspend() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
} else
error.SetErrorString("this SBThread object is invalid");
if (log)
log->Printf("SBThread(%p)::Suspend() => %i",
static_cast<void *>(exe_ctx.GetThreadPtr()), result);
return result;
}
bool SBThread::Resume() {
SBError error; // Ignored
return Resume(error);
}
bool SBThread::Resume(SBError &error) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
bool result = false;
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
const bool override_suspend = true;
exe_ctx.GetThreadPtr()->SetResumeState(eStateRunning, override_suspend);
result = true;
} else {
error.SetErrorString("process is running");
if (log)
log->Printf("SBThread(%p)::Resume() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
} else
error.SetErrorString("this SBThread object is invalid");
if (log)
log->Printf("SBThread(%p)::Resume() => %i",
static_cast<void *>(exe_ctx.GetThreadPtr()), result);
return result;
}
bool SBThread::IsSuspended() {
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope())
return exe_ctx.GetThreadPtr()->GetResumeState() == eStateSuspended;
return false;
}
bool SBThread::IsStopped() {
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope())
return StateIsStoppedState(exe_ctx.GetThreadPtr()->GetState(), true);
return false;
}
SBProcess SBThread::GetProcess() {
SBProcess sb_process;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
// Have to go up to the target so we can get a shared pointer to our
// process...
sb_process.SetSP(exe_ctx.GetProcessSP());
}
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
if (log) {
SBStream frame_desc_strm;
sb_process.GetDescription(frame_desc_strm);
log->Printf("SBThread(%p)::GetProcess () => SBProcess(%p): %s",
static_cast<void *>(exe_ctx.GetThreadPtr()),
static_cast<void *>(sb_process.GetSP().get()),
frame_desc_strm.GetData());
}
return sb_process;
}
uint32_t SBThread::GetNumFrames() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
uint32_t num_frames = 0;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
num_frames = exe_ctx.GetThreadPtr()->GetStackFrameCount();
} else {
if (log)
log->Printf("SBThread(%p)::GetNumFrames() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log)
log->Printf("SBThread(%p)::GetNumFrames () => %u",
static_cast<void *>(exe_ctx.GetThreadPtr()), num_frames);
return num_frames;
}
SBFrame SBThread::GetFrameAtIndex(uint32_t idx) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
SBFrame sb_frame;
StackFrameSP frame_sp;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
frame_sp = exe_ctx.GetThreadPtr()->GetStackFrameAtIndex(idx);
sb_frame.SetFrameSP(frame_sp);
} else {
if (log)
log->Printf(
"SBThread(%p)::GetFrameAtIndex() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log) {
SBStream frame_desc_strm;
sb_frame.GetDescription(frame_desc_strm);
log->Printf("SBThread(%p)::GetFrameAtIndex (idx=%d) => SBFrame(%p): %s",
static_cast<void *>(exe_ctx.GetThreadPtr()), idx,
static_cast<void *>(frame_sp.get()), frame_desc_strm.GetData());
}
return sb_frame;
}
lldb::SBFrame SBThread::GetSelectedFrame() {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
SBFrame sb_frame;
StackFrameSP frame_sp;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
frame_sp = exe_ctx.GetThreadPtr()->GetSelectedFrame();
sb_frame.SetFrameSP(frame_sp);
} else {
if (log)
log->Printf(
"SBThread(%p)::GetSelectedFrame() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log) {
SBStream frame_desc_strm;
sb_frame.GetDescription(frame_desc_strm);
log->Printf("SBThread(%p)::GetSelectedFrame () => SBFrame(%p): %s",
static_cast<void *>(exe_ctx.GetThreadPtr()),
static_cast<void *>(frame_sp.get()), frame_desc_strm.GetData());
}
return sb_frame;
}
lldb::SBFrame SBThread::SetSelectedFrame(uint32_t idx) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
SBFrame sb_frame;
StackFrameSP frame_sp;
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
Thread *thread = exe_ctx.GetThreadPtr();
frame_sp = thread->GetStackFrameAtIndex(idx);
if (frame_sp) {
thread->SetSelectedFrame(frame_sp.get());
sb_frame.SetFrameSP(frame_sp);
}
} else {
if (log)
log->Printf(
"SBThread(%p)::SetSelectedFrame() => error: process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log) {
SBStream frame_desc_strm;
sb_frame.GetDescription(frame_desc_strm);
log->Printf("SBThread(%p)::SetSelectedFrame (idx=%u) => SBFrame(%p): %s",
static_cast<void *>(exe_ctx.GetThreadPtr()), idx,
static_cast<void *>(frame_sp.get()), frame_desc_strm.GetData());
}
return sb_frame;
}
bool SBThread::EventIsThreadEvent(const SBEvent &event) {
return Thread::ThreadEventData::GetEventDataFromEvent(event.get()) != NULL;
}
SBFrame SBThread::GetStackFrameFromEvent(const SBEvent &event) {
return Thread::ThreadEventData::GetStackFrameFromEvent(event.get());
}
SBThread SBThread::GetThreadFromEvent(const SBEvent &event) {
return Thread::ThreadEventData::GetThreadFromEvent(event.get());
}
bool SBThread::operator==(const SBThread &rhs) const {
return m_opaque_sp->GetThreadSP().get() ==
rhs.m_opaque_sp->GetThreadSP().get();
}
bool SBThread::operator!=(const SBThread &rhs) const {
return m_opaque_sp->GetThreadSP().get() !=
rhs.m_opaque_sp->GetThreadSP().get();
}
bool SBThread::GetStatus(SBStream &status) const {
Stream &strm = status.ref();
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
exe_ctx.GetThreadPtr()->GetStatus(strm, 0, 1, 1, true);
} else
strm.PutCString("No status");
return true;
}
bool SBThread::GetDescription(SBStream &description) const {
return GetDescription(description, false);
}
bool SBThread::GetDescription(SBStream &description, bool stop_format) const {
Stream &strm = description.ref();
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (exe_ctx.HasThreadScope()) {
exe_ctx.GetThreadPtr()->DumpUsingSettingsFormat(strm,
LLDB_INVALID_THREAD_ID,
stop_format);
// strm.Printf("SBThread: tid = 0x%4.4" PRIx64,
// exe_ctx.GetThreadPtr()->GetID());
} else
strm.PutCString("No value");
return true;
}
SBThread SBThread::GetExtendedBacktraceThread(const char *type) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
SBThread sb_origin_thread;
if (exe_ctx.HasThreadScope()) {
Process::StopLocker stop_locker;
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock())) {
ThreadSP real_thread(exe_ctx.GetThreadSP());
if (real_thread) {
ConstString type_const(type);
Process *process = exe_ctx.GetProcessPtr();
if (process) {
SystemRuntime *runtime = process->GetSystemRuntime();
if (runtime) {
ThreadSP new_thread_sp(
runtime->GetExtendedBacktraceThread(real_thread, type_const));
if (new_thread_sp) {
// Save this in the Process' ExtendedThreadList so a strong
// pointer retains the object.
process->GetExtendedThreadList().AddThread(new_thread_sp);
sb_origin_thread.SetThread(new_thread_sp);
if (log) {
const char *queue_name = new_thread_sp->GetQueueName();
if (queue_name == NULL)
queue_name = "";
log->Printf("SBThread(%p)::GetExtendedBacktraceThread() => new "
"extended Thread "
"created (%p) with queue_id 0x%" PRIx64
" queue name '%s'",
static_cast<void *>(exe_ctx.GetThreadPtr()),
static_cast<void *>(new_thread_sp.get()),
new_thread_sp->GetQueueID(), queue_name);
}
}
}
}
}
} else {
if (log)
log->Printf("SBThread(%p)::GetExtendedBacktraceThread() => error: "
"process is running",
static_cast<void *>(exe_ctx.GetThreadPtr()));
}
}
if (log && sb_origin_thread.IsValid() == false)
log->Printf("SBThread(%p)::GetExtendedBacktraceThread() is not returning a "
"Valid thread",
static_cast<void *>(exe_ctx.GetThreadPtr()));
return sb_origin_thread;
}
uint32_t SBThread::GetExtendedBacktraceOriginatingIndexID() {
ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
if (thread_sp)
return thread_sp->GetExtendedBacktraceOriginatingIndexID();
return LLDB_INVALID_INDEX32;
}
bool SBThread::SafeToCallFunctions() {
ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
if (thread_sp)
return thread_sp->SafeToCallFunctions();
return true;
}
lldb_private::Thread *SBThread::operator->() {
ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
if (thread_sp)
return thread_sp.get();
else
return NULL;
}
lldb_private::Thread *SBThread::get() {
ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
if (thread_sp)
return thread_sp.get();
else
return NULL;
}