selftests/bpf/trace_helpers.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef __TRACE_HELPER_H
0003 #define __TRACE_HELPER_H
0004
0005 #include <bpf/libbpf.h>
0006
0007 struct ksym {
0008     long addr;
0009     char *name;
0010 };
0011
0012 int load_kallsyms(void);
0013 struct ksym *ksym_search(long key);
0014 long ksym_get_addr(const char *name);
0015
0016 /* open kallsyms and find addresses on the fly, faster than load + search. */
0017 int kallsyms_find(const char *sym, unsigned long long *addr);
0018
0019 void read_trace_pipe(void);
0020
0021 ssize_t get_uprobe_offset(const void *addr);
0022 ssize_t get_rel_offset(uintptr_t addr);
0023
0024 #endif