mirror of
https://github.com/gatieme/LDD-LinuxDeviceDrivers.git
synced 2026-08-19 01:22:36 +08:00
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/moduleparam.h>
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#include <linux/sched.h>
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#include <linux/list.h>
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#ifndef THREAD_SIZE
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#define THREAD_SIZE 0x00002000
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#endif
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#define my_current my_get_current
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#define my_get_current (my_current_thread_info()->task)
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register unsigned long my_current_stack_pointer asm("esp") __used;
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static inline struct thread_info *my_current_thread_info(void)
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{
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return (struct thread_info *)
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(my_current_stack_pointer & ~(THREAD_SIZE - 1));
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}
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static int __init lkp_init(void)
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{
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printk("pid = %d\n", current->pid);
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printk("name = %s\n", current->comm);
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printk("pid = %d\n", my_current->pid);
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printk("name = %s\n", my_current->comm);
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printk("esp stack : %p\n", my_current_stack_pointer);
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printk("thread_info : %p\n", my_current_thread_info);
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printk("stack : %p\n", my_current->stack);
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return 0;
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}
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static void __exit lkp_cleanup(void)
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{
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printk("<1>bye!\n");
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}
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module_init(lkp_init);
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module_exit(lkp_cleanup);
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MODULE_LICENSE("GPL");
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