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Furi, USB, BLE, Debug: various bug fixes and improvements (#4114)

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* Furi, USB, BLE: extra stack space for some threads, small code cleanup.

* Furi: thread watermark check on exit, explicitly crash if built with LIB_DEBUG=1

* Debug: color logging in apps/furi gdb helper, check and show crash message in gdb console.
This commit is contained in:
あく
2025-02-18 03:16:14 +09:00
committed by GitHub
parent 4895ae5d0d
commit 3a42bf812d
5 changed files with 87 additions and 23 deletions
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72
scripts/debug/flipperapps.py
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@@ -7,6 +7,33 @@ import zlib
import gdb
class bcolors:
HEADER = "\033[95m"
OKBLUE = "\033[94m"
OKCYAN = "\033[96m"
OKGREEN = "\033[92m"
WARNING = "\033[93m"
FAIL = "\033[91m"
ENDC = "\033[0m"
BOLD = "\033[1m"
UNDERLINE = "\033[4m"
LOG_PREFIX = "[FURI]"
def error(line):
print(f"{bcolors.FAIL}{LOG_PREFIX} {line}{bcolors.ENDC}")
def warning(line):
print(f"{bcolors.WARNING}{LOG_PREFIX} {line}{bcolors.ENDC}")
def info(line):
print(f"{bcolors.OKGREEN}{LOG_PREFIX} {line}{bcolors.ENDC}")
def get_file_crc32(filename):
with open(filename, "rb") as f:
return zlib.crc32(f.read())
@@ -39,12 +66,12 @@ class AppState:
def is_debug_available(self) -> bool:
have_debug_info = bool(self.debug_link_elf and self.debug_link_crc)
if not have_debug_info:
print("No debug info available for this app")
warning("No debug info available for this app")
return False
debug_elf_path = self.get_original_elf_path()
debug_elf_crc32 = get_file_crc32(debug_elf_path)
if self.debug_link_crc != debug_elf_crc32:
print(
warning(
f"Debug info ({debug_elf_path}) CRC mismatch: {self.debug_link_crc:08x} != {debug_elf_crc32:08x}, rebuild app"
)
return False
@@ -52,7 +79,7 @@ class AppState:
def get_gdb_load_command(self) -> str:
load_path = self.get_original_elf_path()
print(f"Loading debug information from {load_path}")
info(f"Loading debug information from {load_path}")
load_command = (
f"add-symbol-file -readnow {load_path} 0x{self.text_address:08x} "
)
@@ -121,12 +148,12 @@ class SetFapDebugElfRoot(gdb.Command):
AppState.DEBUG_ELF_ROOT = arg
try:
global helper
print(f"Set '{arg}' as debug info lookup path for Flipper external apps")
info(f"Set '{arg}' as debug info lookup path for Flipper external apps")
helper.attach_to_fw()
gdb.events.stop.connect(helper.handle_stop)
gdb.events.gdb_exiting.connect(helper.handle_exit)
except gdb.error as e:
print(f"Support for Flipper external apps debug is not available: {e}")
error(f"Support for Flipper external apps debug is not available: {e}")
class FlipperAppStateHelper:
@@ -148,13 +175,29 @@ class FlipperAppStateHelper:
gdb.execute(command)
return True
except gdb.error as e:
print(f"Failed to execute GDB command '{command}': {e}")
error(f"Failed to execute GDB command '{command}': {e}")
return False
def _get_crash_message(self):
message = self.app_check_message.value()
if message == 1:
return "furi_assert failed"
elif message == 2:
return "furi_check failed"
else:
return message
def _sync_apps(self) -> None:
crash_message = self._get_crash_message()
if crash_message:
crash_message = f"! System crashed: {crash_message} !"
error("!" * len(crash_message))
error(crash_message)
error("!" * len(crash_message))
self.set_debug_mode(True)
if not (app_list := self.app_list_ptr.value()):
print("Reset app loader state")
info("Reset app loader state")
for app in self._current_apps:
self._exec_gdb_command(app.get_gdb_unload_command())
self._current_apps = []
@@ -167,22 +210,23 @@ class FlipperAppStateHelper:
for app in self._current_apps.copy():
if app.entry_address not in loaded_apps:
print(f"Application {app.name} is no longer loaded")
warning(f"Application {app.name} is no longer loaded")
if not self._exec_gdb_command(app.get_gdb_unload_command()):
print(f"Failed to unload debug info for {app.name}")
error(f"Failed to unload debug info for {app.name}")
self._current_apps.remove(app)
for entry_point, app in loaded_apps.items():
if entry_point not in set(app.entry_address for app in self._current_apps):
new_app_state = AppState.from_gdb(app)
print(f"New application loaded. Adding debug info")
warning(f"New application loaded. Adding debug info")
if self._exec_gdb_command(new_app_state.get_gdb_load_command()):
self._current_apps.append(new_app_state)
else:
print(f"Failed to load debug info for {new_app_state}")
error(f"Failed to load debug info for {new_app_state}")
def attach_to_fw(self) -> None:
print("Attaching to Flipper firmware")
info("Attaching to Flipper firmware")
self.app_check_message = gdb.lookup_global_symbol("__furi_check_message")
self.app_list_ptr = gdb.lookup_global_symbol(
"flipper_application_loaded_app_list"
)
@@ -200,10 +244,10 @@ class FlipperAppStateHelper:
try:
gdb.execute(f"set variable furi_hal_debug_gdb_session_active = {int(mode)}")
except gdb.error as e:
print(f"Failed to set debug mode: {e}")
error(f"Failed to set debug mode: {e}")
# Init additional 'fap-set-debug-elf-root' command and set up hooks
SetFapDebugElfRoot()
helper = FlipperAppStateHelper()
print("Support for Flipper external apps debug is loaded")
info("Support for Flipper external apps debug is loaded")