/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LIBLOCKDEP_LINUX_KALLSYMS_H_#define _LIBLOCKDEP_LINUX_KALLSYMS_H_ #include <linux/kernel.h>#include <stdio.h>#include <unistd.h> #define KSYM_NAME_LEN 512 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(const char *loglvl, unsigned long ip){	char **name; 	name = backtrace_symbols((void **)&ip, 1); 	dprintf(STDOUT_FILENO, "%s\n", *name); 	free(name);} #endif