1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <linux/module.h> // included for all kernel modules 18 #include <linux/kernel.h> // included for KERN_INFO 19 #include <linux/init.h> // included for __init and __exit macros 20 #include <linux/stringify.h> 21 22 MODULE_LICENSE("GPL"); 23 MODULE_DESCRIPTION("A kernel module using all GKI KMI symbols"); 24 MODULE_IMPORT_NS(CRYPTO_INTERNAL); 25 26 extern void *kmi_sym_arr[]; 27 kmi_sym_init(void)28static int __init kmi_sym_init(void) 29 { 30 int cnt; 31 32 for (cnt = 0; kmi_sym_arr[cnt] != 0; ++cnt) 33 ; 34 printk(KERN_INFO "GKI build: %s\n", __stringify(GKI_BID)); 35 printk(KERN_INFO "%d GKI KMI symbols at %p\n", cnt, kmi_sym_arr); 36 37 return 0; 38 } 39 kmi_sym_cleanup(void)40static void __exit kmi_sym_cleanup(void) 41 { 42 printk(KERN_INFO "Cleaning up GKI KMI test.\n"); 43 } 44 45 module_init(kmi_sym_init); 46 module_exit(kmi_sym_cleanup); 47