tiny-test-fw: support translate backtrace in IDFDUT

tools/tiny-test-fw/DUT.py

@@ -205,14 +205,15 @@ class RecvThread(threading.Thread):
     CHECK_FUNCTIONS = []
     """ DUT subclass can define a few check functions to process received data. """
 
-    def __init__(self, read, data_cache, recorded_data, record_data_lock):
+    def __init__(self, read, dut):
         super(RecvThread, self).__init__()
         self.exit_event = threading.Event()
         self.setDaemon(True)
         self.read = read
-        self.data_cache = data_cache
-        self.recorded_data = recorded_data
-        self.record_data_lock = record_data_lock
+        self.dut = dut
+        self.data_cache = dut.data_cache
+        self.recorded_data = dut.recorded_data
+        self.record_data_lock = dut.record_data_lock
         self._line_cache = str()
 
     def _line_completion(self, data):
@@ -407,8 +408,7 @@ class BaseDUT(object):
         :return: None
         """
         self._port_open()
-        self.receive_thread = self.RECV_THREAD_CLS(self._port_read, self.data_cache,
-                                                   self.recorded_data, self.record_data_lock)
+        self.receive_thread = self.RECV_THREAD_CLS(self._port_read, self)
         self.receive_thread.start()
 
     def close(self):

tools/tiny-test-fw/IDF/IDFApp.py

@@ -31,6 +31,7 @@ class IDFApp(App.BaseApp):
         super(IDFApp, self).__init__(app_path)
         self.idf_path = self.get_sdk_path()
         self.binary_path = self.get_binary_path(app_path)
+        self.elf_file = self._get_elf_file_path(self.binary_path)
         assert os.path.exists(self.binary_path)
         assert self.IDF_DOWNLOAD_CONFIG_FILE in os.listdir(self.binary_path)
         self.esptool, self.partition_tool = self.get_tools()
@@ -64,6 +65,15 @@ class IDFApp(App.BaseApp):
         """
         pass
 
+    @staticmethod
+    def _get_elf_file_path(binary_path):
+        ret = ""
+        file_names = os.listdir(binary_path)
+        for fn in file_names:
+            if os.path.splitext(fn)[1] == ".elf":
+                ret = os.path.join(binary_path, fn)
+        return ret
+
     def process_arg(self, arg):
         """
         process args in download.config. convert to abs path for .bin args. strip spaces and CRLFs.

tools/tiny-test-fw/IDF/IDFDUT.py

@@ -19,6 +19,7 @@ import subprocess
 import functools
 import random
 import tempfile
+import subprocess
 
 # python2 and python3 queue package name is different
 try:
@@ -49,9 +50,10 @@ class IDFRecvThread(DUT.RecvThread):
         re.compile(r"(rst 0x\d+ \(TG\dWDT_SYS_RESET|TGWDT_CPU_RESET\))")
     ]
     BACKTRACE_PATTERN = re.compile(r"Backtrace:((\s(0x[0-9a-f]{8}):0x[0-9a-f]{8})+)")
+    BACKTRACE_ADDRESS_PATTERN = re.compile(r"(0x[0-9a-f]{8}):0x[0-9a-f]{8}")
 
-    def __init__(self, read, data_cache, recorded_data, record_data_lock):
-        super(IDFRecvThread, self).__init__(read, data_cache, recorded_data, record_data_lock)
+    def __init__(self, read, dut):
+        super(IDFRecvThread, self).__init__(read, dut)
         self.exceptions = _queue.Queue()
 
     def collect_performance(self, comp_data):
@@ -73,13 +75,23 @@ class IDFRecvThread(DUT.RecvThread):
                     break
 
     def detect_backtrace(self, comp_data):
-        # TODO: to support auto parse backtrace
         start = 0
         while True:
             match = self.BACKTRACE_PATTERN.search(comp_data, pos=start)
             if match:
                 start = match.end()
                 Utility.console_log("[Backtrace]:{}".format(match.group(1)), color="red")
+                # translate backtrace
+                addresses = self.BACKTRACE_ADDRESS_PATTERN.findall(match.group(1))
+                translated_backtrace = ""
+                for addr in addresses:
+                    ret = self.dut.lookup_pc_address(addr)
+                    if ret:
+                        translated_backtrace += ret + "\n"
+                if translated_backtrace:
+                    Utility.console_log("Translated backtrace\n:" + translated_backtrace, color="yellow")
+                else:
+                    Utility.console_log("Failed to translate backtrace", color="yellow")
             else:
                 break
 
@@ -104,6 +116,7 @@ class IDFDUT(DUT.SerialDUT):
     # if need to erase NVS partition in start app
     ERASE_NVS = True
     RECV_THREAD_CLS = IDFRecvThread
+    TOOLCHAIN_PREFIX = "xtensa-esp32-elf-"
 
     def __init__(self, name, port, log_file, app, allow_dut_exception=False, **kwargs):
         self.download_config, self.partition_table = app.process_app_info()
@@ -216,6 +229,17 @@ class IDFDUT(DUT.SerialDUT):
              _address, _size, output_file]
         )
 
+    def lookup_pc_address(self, pc_addr):
+        cmd = ["%saddr2line" % self.TOOLCHAIN_PREFIX,
+               "-pfiaC", "-e", self.app.elf_file, pc_addr]
+        ret = ""
+        try:
+            translation = subprocess.check_output(cmd)
+            ret = translation.decode()
+        except OSError:
+            pass
+        return ret
+
     def get_exceptions(self):
         """ Get exceptions detected by DUT receive thread. """
         exceptions = []
@@ -230,4 +254,5 @@ class IDFDUT(DUT.SerialDUT):
     def close(self):
         super(IDFDUT, self).close()
         if not self.allow_dut_exception and self.get_exceptions():
+            Utility.console_log("DUT exception detected on {}".format(self), color="red")
             raise IDFDUTException()