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/* 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); void read_trace_pipe(void); ssize_t get_uprobe_offset(const void *addr); ssize_t get_rel_offset(uintptr_t addr); #endif |