135 lines
2.5 KiB
Bash
135 lines
2.5 KiB
Bash
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#!/bin/bash
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TARGET=$(basename $1)
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DIR=lib/tests/module
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TARGET="$DIR/$TARGET"
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NUM_SYMS=$2
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SCALE_FACTOR=$3
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TEST_TYPE=$(echo $TARGET | sed -e 's|lib/tests/module/test_kallsyms_||g')
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TEST_TYPE=$(echo $TEST_TYPE | sed -e 's|.c||g')
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FIRST_B_LOOKUP=1
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if [[ $NUM_SYMS -gt 2 ]]; then
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FIRST_B_LOOKUP=$((NUM_SYMS/2))
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fi
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gen_template_module_header()
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{
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cat <<____END_MODULE
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// SPDX-License-Identifier: GPL-2.0-or-later OR copyleft-next-0.3.1
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/*
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* Copyright (C) 2023 Luis Chamberlain <mcgrof@kernel.org>
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*
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* Automatically generated code for testing, do not edit manually.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/printk.h>
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____END_MODULE
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}
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gen_num_syms()
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{
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PREFIX=$1
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NUM=$2
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for i in $(seq 1 $NUM); do
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printf "int auto_test_%s_%010d = 0;\n" $PREFIX $i
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printf "EXPORT_SYMBOL_GPL(auto_test_%s_%010d);\n" $PREFIX $i
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done
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echo
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}
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gen_template_module_data_a()
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{
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gen_num_syms a $1
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cat <<____END_MODULE
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static int auto_runtime_test(void)
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{
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return 0;
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}
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____END_MODULE
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}
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gen_template_module_data_b()
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{
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printf "\nextern int auto_test_a_%010d;\n\n" $FIRST_B_LOOKUP
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echo "static int auto_runtime_test(void)"
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echo "{"
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printf "\nreturn auto_test_a_%010d;\n" $FIRST_B_LOOKUP
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echo "}"
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}
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gen_template_module_data_c()
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{
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gen_num_syms c $1
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cat <<____END_MODULE
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static int auto_runtime_test(void)
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{
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return 0;
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}
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____END_MODULE
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}
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gen_template_module_data_d()
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{
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gen_num_syms d $1
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cat <<____END_MODULE
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static int auto_runtime_test(void)
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{
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return 0;
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}
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____END_MODULE
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}
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gen_template_module_exit()
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{
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cat <<____END_MODULE
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static int __init auto_test_module_init(void)
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{
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return auto_runtime_test();
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}
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module_init(auto_test_module_init);
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static void __exit auto_test_module_exit(void)
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{
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}
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module_exit(auto_test_module_exit);
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MODULE_AUTHOR("Luis Chamberlain <mcgrof@kernel.org>");
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Test module for kallsyms");
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____END_MODULE
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}
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case $TEST_TYPE in
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a)
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gen_template_module_header > $TARGET
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gen_template_module_data_a $NUM_SYMS >> $TARGET
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gen_template_module_exit >> $TARGET
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;;
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b)
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gen_template_module_header > $TARGET
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gen_template_module_data_b >> $TARGET
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gen_template_module_exit >> $TARGET
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;;
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c)
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gen_template_module_header > $TARGET
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gen_template_module_data_c $((NUM_SYMS * SCALE_FACTOR)) >> $TARGET
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gen_template_module_exit >> $TARGET
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;;
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d)
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gen_template_module_header > $TARGET
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gen_template_module_data_d $((NUM_SYMS * SCALE_FACTOR * 2)) >> $TARGET
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gen_template_module_exit >> $TARGET
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;;
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*)
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;;
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esac
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