C++ SBStream::GetData方法代码示例

SBTarget
SBDebugger::GetSelectedTarget ()
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    SBTarget sb_target;
    TargetSP target_sp;
    if (m_opaque_sp)
    {
        // No need to lock, the target list is thread safe
        target_sp = m_opaque_sp->GetTargetList().GetSelectedTarget ();
        sb_target.SetSP (target_sp);
    }

    if (log)
    {
        SBStream sstr;
        sb_target.GetDescription (sstr, eDescriptionLevelBrief);
        log->Printf ("SBDebugger(%p)::GetSelectedTarget () => SBTarget(%p): %s",
                     static_cast<void*>(m_opaque_sp.get()),
                     static_cast<void*>(target_sp.get()), sstr.GetData());
    }

    return sb_target;
}

bool
SBProcess::RemoteAttachToProcessWithID (lldb::pid_t pid, lldb::SBError& error)
{
    ProcessSP process_sp(GetSP());
    if (process_sp)
    {
        Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
        if (process_sp->GetState() == eStateConnected)
        {
            ProcessAttachInfo attach_info;
            attach_info.SetProcessID (pid);
            error.SetError (process_sp->Attach (attach_info));
        }
        else
        {
            error.SetErrorString ("must be in eStateConnected to call RemoteAttachToProcessWithID");
        }
    }
    else
    {
        error.SetErrorString ("unable to attach pid");
    }

    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    if (log) {
        SBStream sstr;
        error.GetDescription (sstr);
        log->Printf ("SBProcess(%p)::RemoteAttachToProcessWithID (%" PRIu64 ") => SBError (%p): %s",
                     static_cast<void*>(process_sp.get()), pid,
                     static_cast<void*>(error.get()), sstr.GetData());
    }

    return error.Success();
}

SBLineEntry
SBCompileUnit::GetLineEntryAtIndex (uint32_t idx) const
{
    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    SBLineEntry sb_line_entry;
    if (m_opaque_ptr)
    {
        LineTable *line_table = m_opaque_ptr->GetLineTable ();
        if (line_table)
        {
            LineEntry line_entry;
            if (line_table->GetLineEntryAtIndex(idx, line_entry))
                sb_line_entry.SetLineEntry(line_entry);
        }
    }

    if (log)
    {
        SBStream sstr;
        sb_line_entry.GetDescription (sstr);
        log->Printf ("SBCompileUnit(%p)::GetLineEntryAtIndex (idx=%u) => SBLineEntry(%p): '%s'",
                     static_cast<void*>(m_opaque_ptr), idx,
                     static_cast<void*>(sb_line_entry.get()), sstr.GetData());
    }

    return sb_line_entry;
}

SBError
SBProcess::Kill ()
{
    SBError sb_error;
    if (m_opaque_sp)
    {
        Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
        sb_error.SetError (m_opaque_sp->Destroy());
    }
    else
        sb_error.SetErrorString ("SBProcess is invalid");

    LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    if (log)
    {
        SBStream sstr;
        sb_error.GetDescription (sstr);
        log->Printf ("SBProcess(%p)::Kill () => SBError (%p): %s", 
                     m_opaque_sp.get(), 
                     sb_error.get(),
                     sstr.GetData());
    }

    return sb_error;
}

SBError
SBProcess::Signal (int signo)
{
    SBError sb_error;
    ProcessSP process_sp(GetSP());
    if (process_sp)
    {
        Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
        sb_error.SetError (process_sp->Signal (signo));
    }
    else
        sb_error.SetErrorString ("SBProcess is invalid");    
    LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    if (log)
    {
        SBStream sstr;
        sb_error.GetDescription (sstr);
        log->Printf ("SBProcess(%p)::Signal (signo=%i) => SBError (%p): %s", 
                     process_sp.get(), 
                     signo,
                     sb_error.get(),
                     sstr.GetData());
    }
    return sb_error;
}

void listener_func() {
  while (!g_done) {
    SBEvent event;
    bool got_event = g_listener.WaitForEvent(1, event);
    if (got_event) {
      if (!event.IsValid())
        throw Exception("event is not valid in listener thread");

      // send process description
      SBProcess process = SBProcess::GetProcessFromEvent(event);
      SBStream description;

      for (int i = 0; i < process.GetNumThreads(); ++i) {
        // send each thread description
        description.Clear();
        SBThread thread = process.GetThreadAtIndex(i);
        thread.GetDescription(description);
        g_thread_descriptions.push(description.GetData());

        // send each frame function name
        uint32_t num_frames = thread.GetNumFrames();
        for(int j = 0; j < num_frames; ++j) {
          const char* function_name = thread.GetFrameAtIndex(j).GetSymbol().GetName();
          if (function_name)
            g_frame_functions.push(function_name);
        }
      }
    }
  }
}

SBFileSpec
SBCompileUnit::GetSupportFileAtIndex (uint32_t idx) const
{
    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    SBFileSpec sb_file_spec;
    if (m_opaque_ptr)
    {
        FileSpecList &support_files = m_opaque_ptr->GetSupportFiles ();
        FileSpec file_spec = support_files.GetFileSpecAtIndex(idx);
        sb_file_spec.SetFileSpec(file_spec);
    }

    if (log)
    {
        SBStream sstr;
        sb_file_spec.GetDescription (sstr);
        log->Printf ("SBCompileUnit(%p)::GetGetFileSpecAtIndex (idx=%u) => SBFileSpec(%p): '%s'",
                     static_cast<void*>(m_opaque_ptr), idx,
                     static_cast<const void*>(sb_file_spec.get()),
                     sstr.GetData());
    }

    return sb_file_spec;
}

void
SBCommandInterpreter::HandleCommandsFromFile (lldb::SBFileSpec &file,
                                              lldb::SBExecutionContext &override_context,
                                              lldb::SBCommandInterpreterRunOptions &options,
                                              lldb::SBCommandReturnObject result)
{
    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    if (log)
    {
        SBStream s;
        file.GetDescription (s);
        log->Printf ("SBCommandInterpreter(%p)::HandleCommandsFromFile (file=\"%s\", SBCommandReturnObject(%p))",
                     static_cast<void*>(m_opaque_ptr), s.GetData(),
                     static_cast<void*>(result.get()));
    }

    if (!IsValid())
    {
        result->AppendError ("SBCommandInterpreter is not valid.");
        result->SetStatus (eReturnStatusFailed);
        return;
    }

    if (!file.IsValid())
    {
        SBStream s;
        file.GetDescription (s);
        result->AppendErrorWithFormat ("File is not valid: %s.", s.GetData());
        result->SetStatus (eReturnStatusFailed);
    }

    FileSpec tmp_spec = file.ref();
    ExecutionContext ctx, *ctx_ptr;
    if (override_context.get())
    {
        ctx = override_context.get()->Lock(true);
        ctx_ptr = &ctx;
    }
    else
       ctx_ptr = nullptr;

    m_opaque_ptr->HandleCommandsFromFile (tmp_spec, ctx_ptr, options.ref(), result.ref());
}

size_t
SBProcess::ReadMemory (addr_t addr, void *dst, size_t dst_len, SBError &sb_error)
{
    LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    size_t bytes_read = 0;

    ProcessSP process_sp(GetSP());

    if (log)
    {
        log->Printf ("SBProcess(%p)::ReadMemory (addr=0x%llx, dst=%p, dst_len=%zu, SBError (%p))...",
                     process_sp.get(), 
                     addr, 
                     dst, 
                     dst_len, 
                     sb_error.get());
    }
    
    if (process_sp)
    {
        Process::StopLocker stop_locker;
        if (stop_locker.TryLock(&process_sp->GetRunLock()))
        {
            Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
            bytes_read = process_sp->ReadMemory (addr, dst, dst_len, sb_error.ref());
        }
        else
        {
            if (log)
                log->Printf ("SBProcess(%p)::ReadMemory() => error: process is running", process_sp.get());
            sb_error.SetErrorString("process is running");
        }
    }
    else
    {
        sb_error.SetErrorString ("SBProcess is invalid");
    }

    if (log)
    {
        SBStream sstr;
        sb_error.GetDescription (sstr);
        log->Printf ("SBProcess(%p)::ReadMemory (addr=0x%llx, dst=%p, dst_len=%zu, SBError (%p): %s) => %zu", 
                     process_sp.get(), 
                     addr, 
                     dst, 
                     dst_len, 
                     sb_error.get(), 
                     sstr.GetData(),
                     bytes_read);
    }

    return bytes_read;
}

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;
}

SBWatchpoint::SBWatchpoint(const lldb::WatchpointSP &wp_sp)
    : m_opaque_sp(wp_sp) {
  Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));

  if (log) {
    SBStream sstr;
    GetDescription(sstr, lldb::eDescriptionLevelBrief);
    log->Printf("SBWatchpoint::SBWatchpoint (const lldb::WatchpointSP &wp_sp"
                "=%p)  => this.sp = %p (%s)",
                static_cast<void *>(wp_sp.get()),
                static_cast<void *>(m_opaque_sp.get()), sstr.GetData());
  }
}

SBFrame::SBFrame (const StackFrameSP &lldb_object_sp) :
    m_opaque_sp (lldb_object_sp)
{
    LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    if (log)
    {
        SBStream sstr;
        GetDescription (sstr);
        log->Printf ("SBFrame::SBFrame (sp=%p) => SBFrame(%p): %s", 
                     lldb_object_sp.get(), m_opaque_sp.get(), sstr.GetData());
                     
    }
}

void listener_func() {
    while (!g_done) {
        SBEvent event;
        bool got_event = g_listener.WaitForEvent(1, event);
        if (got_event) {
            if (!event.IsValid())
                throw Exception("event is not valid in listener thread");

            SBStream description;
            event.GetDescription(description);
            string str(description.GetData());
            g_event_descriptions.push(str);
        }
    }
}

SBFileSpec::SBFileSpec (const SBFileSpec &rhs) :
    m_opaque_ap()
{
    LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    if (rhs.m_opaque_ap.get())
        m_opaque_ap.reset (new FileSpec (rhs.get()));

    if (log)
    {
        SBStream sstr;
        GetDescription (sstr);
        log->Printf ("SBFileSpec::SBFileSpec (const SBFileSpec rhs.ap=%p) => SBFileSpec(%p): %s",
                     rhs.m_opaque_ap.get(), m_opaque_ap.get(), sstr.GetData());
    }
}

void
SBDebugger::SetSelectedTarget (SBTarget &sb_target)
{
    LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    if (m_opaque_sp)
    {
        m_opaque_sp->GetTargetList().SetSelectedTarget (sb_target.get());
    }
    if (log)
    {
        SBStream sstr;
        sb_target.GetDescription (sstr, eDescriptionLevelBrief);
        log->Printf ("SBDebugger(%p)::SetSelectedTarget () => SBTarget(%p): %s", m_opaque_sp.get(),
                     sb_target.get(), sstr.GetData());
    }
}