SBError
SBThread::StepOverUntil (lldb::SBFrame &sb_frame,
lldb::SBFileSpec &sb_file_spec,
uint32_t line)
{
SBError sb_error;
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
char path[PATH_MAX];
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)",
m_opaque_sp.get(),
sb_frame.get(),
frame_desc_strm.GetData(),
path, line);
}
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetProcess().GetTarget().GetAPIMutex());
if (line == 0)
{
sb_error.SetErrorString("invalid line argument");
return sb_error;
}
StackFrameSP frame_sp;
if (sb_frame.IsValid())
frame_sp = sb_frame.get_sp();
else
{
frame_sp = m_opaque_sp->GetSelectedFrame ();
if (!frame_sp)
frame_sp = m_opaque_sp->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 = true;
const bool stop_other_threads = true;
const bool check_inlines = true;
const bool exact = false;
Target *target = &m_opaque_sp->GetProcess().GetTarget();
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
{
m_opaque_sp->QueueThreadPlanForStepUntil (abort_other_plans,
&step_over_until_addrs[0],
step_over_until_addrs.size(),
stop_other_threads,
frame_sp->GetFrameIndex());
m_opaque_sp->GetProcess().GetThreadList().SetSelectedThreadByID (m_opaque_sp->GetID());
sb_error.ref() = m_opaque_sp->GetProcess().Resume();
if (sb_error->Success())
{
// If we are doing synchronous mode, then wait for the
// process to stop yet again!
if (m_opaque_sp->GetProcess().GetTarget().GetDebugger().GetAsyncExecution () == false)
m_opaque_sp->GetProcess().WaitForProcessToStop (NULL);
}
}
}
else
{
sb_error.SetErrorString("this SBThread object is invalid");
}
return sb_error;
}
void
SBThread::StepOutOfFrame (lldb::SBFrame &sb_frame)
{
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
SBStream frame_desc_strm;
sb_frame.GetDescription (frame_desc_strm);
log->Printf ("SBThread(%p)::StepOutOfFrame (frame = SBFrame(%p): %s)", m_opaque_sp.get(), sb_frame.get(), frame_desc_strm.GetData());
}
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetProcess().GetTarget().GetAPIMutex());
bool abort_other_plans = true;
bool stop_other_threads = true;
m_opaque_sp->QueueThreadPlanForStepOut (abort_other_plans,
NULL,
false,
stop_other_threads,
eVoteYes,
eVoteNoOpinion,
sb_frame->GetFrameIndex());
Process &process = m_opaque_sp->GetProcess();
process.GetThreadList().SetSelectedThreadByID (m_opaque_sp->GetID());
Error error (process.Resume());
if (error.Success())
{
// If we are doing synchronous mode, then wait for the
// process to stop yet again!
if (process.GetTarget().GetDebugger().GetAsyncExecution () == false)
process.WaitForProcessToStop (NULL);
}
}
}