move tuple to global scope

pwndbg/gdblib/symbol.py

@@ -24,8 +24,25 @@
 import pwndbg.ida
 import pwndbg.lib.cache
 
+# Symbol lookup only throws exceptions on errors, not if it failed to
+# look up a symbol. We want to raise these errors so we can handle them
+# properly, but there are some we haven't figured out how to fix yet, so
+# we ignore those here
 skipped_exceptions = None
 
+skipped_exceptions = (
+ # This exception is being thrown by the Go typeinfo tests, we should
+ # investigate why this is happening and see if we can explicitly check
+ # for it with `gdb.selected_frame()`
+ "No frame selected",
+ # If we try to look up a TLS variable when there is no TLS, this
+ # exception occurs. Ideally we should come up with a way to check for
+ # this case before calling `gdb.lookup_symbol`
+ "Cannot find thread-local",
+ # This reproduced on GDB 12.1 and caused #1878
+ "Symbol requires a frame to compute its value",
+)
+
 
 def _get_debug_file_directory():
  """
@@ -122,25 +139,6 @@ def address(symbol: str) -> int:
  if symbol_obj:
  return int(symbol_obj.value().address)
  except gdb.error as e:
- # Symbol lookup only throws exceptions on errors, not if it failed to
- # look up a symbol. We want to raise these errors so we can handle them
- # properly, but there are some we haven't figured out how to fix yet, so
- # we ignore those here
- global skipped_exceptions
-
- skipped_exceptions = (
- # This exception is being thrown by the Go typeinfo tests, we should
- # investigate why this is happening and see if we can explicitly check
- # for it with `gdb.selected_frame()`
- "No frame selected",
- # If we try to look up a TLS variable when there is no TLS, this
- # exception occurs. Ideally we should come up with a way to check for
- # this case before calling `gdb.lookup_symbol`
- "Cannot find thread-local",
- # This reproduced on GDB 12.1 and caused #1878
- "Symbol requires a frame to compute its value",
- )
-
  if all(x not in str(e) for x in skipped_exceptions):
  raise e