1. 根目录:
2. tools
3. lib
4. lockdep
5. uinclude
6. linux
7. kallsyms.h

#ifndef _LIBLOCKDEP_LINUX_KALLSYMS_H_
#define _LIBLOCKDEP_LINUX_KALLSYMS_H_

#include <linux/kernel.h>
#include <stdio.h>

#define KSYM_NAME_LEN 128

struct module;

static inline const char *kallsyms_lookup(unsigned long addr,
					  unsigned long *symbolsize,
					  unsigned long *offset,
					  char **modname, char *namebuf)
{
	return NULL;
}

#include <execinfo.h>
#include <stdlib.h>
static inline void print_ip_sym(unsigned long ip)
{
	char **name;

	name = backtrace_symbols((void **)&ip, 1);

	printf("%s\n", *name);

	free(name);
}

#endif