1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __TRACE_HELPER_H 3 #define __TRACE_HELPER_H 4 5 #include <bpf/libbpf.h> 6 7 struct ksym { 8 long addr; 9 char *name; 10 }; 11 12 int load_kallsyms(void); 13 struct ksym *ksym_search(long key); 14 long ksym_get_addr(const char *name); 15 16 /* open kallsyms and find addresses on the fly, faster than load + search. */ 17 int kallsyms_find(const char *sym, unsigned long long *addr); 18 19 void read_trace_pipe(void); 20 21 #endif 22