65 lines
1.6 KiB
Plaintext
65 lines
1.6 KiB
Plaintext
// Copyright (c) 2020 Intel Corporation
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
// Uses a python database (a dict) to find where const struct device
|
|
// variable are being used in zephyr functions and, if it's being in place
|
|
// of a void*, it will print an ERROR for loosing the const qualifier.
|
|
// If it's being used on an unknown functions from an external module such
|
|
// as a HAL, it will print a WARNING in order to check if the const qualifier
|
|
// is not lost.
|
|
|
|
virtual report
|
|
|
|
////////////////////
|
|
// Initialization //
|
|
////////////////////
|
|
|
|
@initialize:python
|
|
depends on report
|
|
@
|
|
@@
|
|
import pickle
|
|
|
|
def check_and_report(F, f, D, nb_args, p):
|
|
if f in f_void and int(nb_args) in f_void[f]:
|
|
msg = "ERROR: in {} calling {} param with {}, \
|
|
loosing const qualifier, please wrap".format(F, f, D)
|
|
coccilib.report.print_report(p[0], msg)
|
|
elif f not in f_void and f not in f_other and not f.isupper():
|
|
msg = "WARNING: in {} calling {} param with {}, \
|
|
check if const qualifier is not lost".format(F, f, D)
|
|
coccilib.report.print_report(p[0], msg)
|
|
|
|
// Loading function data base
|
|
with open("function_names.pickle", "rb") as f:
|
|
data = pickle.load(f)
|
|
f_void = data["f_void"]
|
|
f_other = data["f_other"]
|
|
|
|
|
|
///////////
|
|
// Rules //
|
|
///////////
|
|
|
|
// Find usage of a device instance
|
|
@r_find_dev_usage
|
|
depends on report
|
|
@
|
|
local idexpression struct device *D;
|
|
expression list[nb_args] args;
|
|
identifier f;
|
|
position p;
|
|
@@
|
|
f(args, D@p, ...)
|
|
|
|
|
|
@script:python
|
|
depends on r_find_dev_usage
|
|
@
|
|
f << r_find_dev_usage.f;
|
|
D << r_find_dev_usage.D;
|
|
nb_args << r_find_dev_usage.nb_args;
|
|
p << r_find_dev_usage.p;
|
|
@@
|
|
check_and_report(p[0].current_element, f, D, nb_args, p)
|