305 static int sanity_check_usdt_elf(Elf *elf, const char *path)  in sanity_check_usdt_elf()  argument
310 	if (elf_kind(elf) != ELF_K_ELF) {  in sanity_check_usdt_elf()
311 		pr_warn("usdt: unrecognized ELF kind %d for '%s'\n", elf_kind(elf), path);  in sanity_check_usdt_elf()
315 	switch (gelf_getclass(elf)) {  in sanity_check_usdt_elf()
333 	if (!gelf_getehdr(elf, &ehdr))  in sanity_check_usdt_elf()
357 static int find_elf_sec_by_name(Elf *elf, const char *sec_name, GElf_Shdr *shdr, Elf_Scn **scn)  in find_elf_sec_by_name()  argument
362 	if (elf_getshdrstrndx(elf, &shstrndx))  in find_elf_sec_by_name()
366 	if (!elf_rawdata(elf_getscn(elf, shstrndx), NULL))  in find_elf_sec_by_name()
369 	while ((sec = elf_nextscn(elf, sec)) != NULL) {  in find_elf_sec_by_name()
375 		name = elf_strptr(elf, shstrndx, shdr->sh_name);  in find_elf_sec_by_name()
400 static int parse_elf_segs(Elf *elf, const char *path, struct elf_seg **segs, size_t *seg_cnt)  in parse_elf_segs()  argument
410 	if (elf_getphdrnum(elf, &n)) {  in parse_elf_segs()
416 		if (!gelf_getphdr(elf, i, &phdr)) {  in parse_elf_segs()
572 static int parse_usdt_note(Elf *elf, const char *path, GElf_Nhdr *nhdr,
578 static int collect_usdt_targets(struct usdt_manager *man, Elf *elf, const char *path, pid_t pid,  in collect_usdt_targets()  argument
596 	err = find_elf_sec_by_name(elf, USDT_NOTE_SEC, &notes_shdr, &notes_scn);  in collect_usdt_targets()
602 	if (notes_shdr.sh_type != SHT_NOTE || !gelf_getehdr(elf, &ehdr)) {  in collect_usdt_targets()
607 	err = parse_elf_segs(elf, path, &segs, &seg_cnt);  in collect_usdt_targets()
616 	if (find_elf_sec_by_name(elf, USDT_BASE_SEC, &base_shdr, &base_scn) == 0)  in collect_usdt_targets()
627 		err = parse_usdt_note(elf, path, &nhdr, data->d_buf, name_off, desc_off, &note);  in collect_usdt_targets()
977 	err = sanity_check_usdt_elf(elf_fd.elf, path);  in usdt_manager_attach_usdt()
990 	err = collect_usdt_targets(man, elf_fd.elf, path, pid, usdt_provider, usdt_name,  in usdt_manager_attach_usdt()
1133 static int parse_usdt_note(Elf *elf, const char *path, GElf_Nhdr *nhdr,  in parse_usdt_note()  argument