diff options
Diffstat (limited to 'src/GDB.hs')
| -rw-r--r-- | src/GDB.hs | 37 |
1 files changed, 31 insertions, 6 deletions
@@ -31,11 +31,19 @@ import Process data GDB = GDB { gdbProcess_ :: Process , gdbResult :: MVar (ResultClass, [(Text, MiValue)]) + , gdbInferiors :: MVar [Inferior] + , gdbThreadGroups :: TChan Text } gdbProcess :: GDB -> Process gdbProcess = gdbProcess_ +data Inferior = Inferior + { infProcess :: Process + , infPid :: Pid + , infThreadGroup :: Text + } + data MiRecord = ResultRecord ResultClass [(Text, MiValue)] | ExecAsyncOutput Text [(Text, MiValue)] | StatusAsyncOutput Text [(Text, MiValue)] @@ -75,6 +83,8 @@ gdbStart = do gdb <- GDB <$> pure process <*> liftIO newEmptyMVar + <*> liftIO (newMVar []) + <*> liftIO newTChanIO out <- getOutput liftIO $ void $ forkIO $ flip runReaderT out $ @@ -102,7 +112,8 @@ gdbLine gdb rline = either (outProc OutputError (gdbProcess gdb) . T.pack . erro "library-loaded" -> return () "library-unloaded" -> return () "cmd-param-changed" -> return () - "thread-group-added" -> return () + "thread-group-added" | Just (MiString tgid) <- lookup "id" params -> do + liftIO $ atomically $ writeTChan (gdbThreadGroups gdb) tgid "thread-group-started" -> return () "thread-created" -> return () "thread-selected" -> return () @@ -111,11 +122,25 @@ gdbLine gdb rline = either (outProc OutputError (gdbProcess gdb) . T.pack . erro TargetStreamOutput line -> mapM_ (outProc OutputChildStderr (gdbProcess gdb) . ("target-stream: " <>)) (T.lines line) LogStreamOutput line -> mapM_ (outProc OutputChildInfo (gdbProcess gdb) . ("log: " <>)) (T.lines line) -addInferior :: MonadOutput m => GDB -> Int -> Pid -> m () -addInferior gdb i pid = do - gdbCommand gdb $ "-add-inferior" - gdbCommand gdb $ "-target-attach --thread-group i" <> T.pack (show i) <> " " <> T.pack (show pid) - gdbCommand gdb $ "-exec-continue --thread-group i" <> T.pack (show i) +addInferior :: MonadOutput m => GDB -> Process -> m () +addInferior gdb process = do + liftIO (getPid $ procHandle process) >>= \case + Nothing -> outProc OutputError process $ "failed to get PID" + Just pid -> do + tgid <- liftIO (atomically $ tryReadTChan $ gdbThreadGroups gdb) >>= \case + Just tgid -> return tgid + Nothing -> do + gdbCommand gdb $ "-add-inferior" + liftIO $ atomically $ readTChan $ gdbThreadGroups gdb + + gdbCommand gdb $ "-target-attach --thread-group " <> tgid <> " " <> T.pack (show pid) + gdbCommand gdb $ "-exec-continue --thread-group " <> tgid + + liftIO $ modifyMVar_ (gdbInferiors gdb) $ return . (:) Inferior + { infProcess = process + , infPid = pid + , infThreadGroup = tgid + } gdbCommand :: MonadOutput m => GDB -> Text -> m () gdbCommand gdb cmd = do |