blob: bc8ed86105d94cd3cca6da6aaeb5041ebed17014 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __TRACE_HELPER_H
#define __TRACE_HELPER_H
#include <bpf/libbpf.h>
struct ksym {
long addr;
char *name;
};
int load_kallsyms(void);
struct ksym *ksym_search(long key);
long ksym_get_addr(const char *name);
/* open kallsyms and find addresses on the fly, faster than load + search. */
int kallsyms_find(const char *sym, unsigned long long *addr);
/* find the address of the next symbol, this can be used to determine the
* end of a function
*/
int kallsyms_find_next(const char *sym, unsigned long long *addr);
void read_trace_pipe(void);
ssize_t get_uprobe_offset(const void *addr, ssize_t base);
ssize_t get_base_addr(void);
ssize_t get_rel_offset(uintptr_t addr);
#endif