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Lab 2: Add missing dyndbg exercise. #21

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merged 1 commit into from
Mar 5, 2018
Merged

Lab 2: Add missing dyndbg exercise. #21

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3 changes: 3 additions & 0 deletions tools/labs/templates/kernel_modules/10-dyndbg/Kbuild
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
EXTRA_CFLAGS = -Wall -g

obj-m = dyndbg.o
32 changes: 32 additions & 0 deletions tools/labs/templates/kernel_modules/10-dyndbg/dyndbg.c
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Original file line number Diff line number Diff line change
@@ -0,0 +1,32 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>

MODULE_DESCRIPTION("Dyndbg kernel module");
MODULE_AUTHOR("Dyndbg");
MODULE_LICENSE("GPL");

void my_debug_func(void)
{
pr_info("Important dyndbg debug message1\n");
pr_info("Important dyndbg debug message2\n");
pr_info("Verbose dyndbg debug message\n");
}
EXPORT_SYMBOL(my_debug_func);


static int dyndbg_init(void)
{
printk(KERN_INFO "Hi dyndbg!\n" );
my_debug_func();
return 0;
}

static void dyndbg_exit(void)
{
printk(KERN_INFO "Bye dyndbg!\n" );
my_debug_func();
}

module_init(dyndbg_init);
module_exit(dyndbg_exit);