320 static int parse_probe_vars(char *arg, const struct fetch_type *t,  in parse_probe_vars()  argument
327 	if (strcmp(arg, "retval") == 0) {  in parse_probe_vars()
332 	} else if (strncmp(arg, "stack", 5) == 0) {  in parse_probe_vars()
333 		if (arg[5] == '\0') {  in parse_probe_vars()
341 		} else if (isdigit(arg[5])) {  in parse_probe_vars()
342 			ret = kstrtoul(arg + 5, 10, &param);  in parse_probe_vars()
358 static int parse_probe_arg(char *arg, const struct fetch_type *t,  in parse_probe_arg()  argument
367 	switch (arg[0]) {  in parse_probe_arg()
369 		ret = parse_probe_vars(arg + 1, t, f, is_return, is_kprobe);  in parse_probe_arg()
373 		ret = regs_query_register_offset(arg + 1);  in parse_probe_arg()
382 		if (isdigit(arg[1])) {  in parse_probe_arg()
383 			ret = kstrtoul(arg + 1, 0, &param);  in parse_probe_arg()
389 		} else if (arg[1] == '+') {  in parse_probe_arg()
394 			ret = kstrtol(arg + 2, 0, &offset);  in parse_probe_arg()
405 			ret = traceprobe_split_symbol_offset(arg + 1, &offset);  in parse_probe_arg()
409 			f->data = alloc_symbol_cache(arg + 1, offset);  in parse_probe_arg()
416 		arg++;	/* Skip '+', because kstrtol() rejects it. */  in parse_probe_arg()
418 		tmp = strchr(arg, '(');  in parse_probe_arg()
423 		ret = kstrtol(arg, 0, &offset);  in parse_probe_arg()
428 		arg = tmp + 1;  in parse_probe_arg()
429 		tmp = strrchr(arg, ')');  in parse_probe_arg()
446 			ret = parse_probe_arg(arg, t2, &dprm->orig, is_return,  in parse_probe_arg()
504 int traceprobe_parse_probe_arg(char *arg, ssize_t *size,  in traceprobe_parse_probe_arg()  argument
511 	if (strlen(arg) > MAX_ARGSTR_LEN) {  in traceprobe_parse_probe_arg()
512 		pr_info("Argument is too long.: %s\n",  arg);  in traceprobe_parse_probe_arg()
515 	parg->comm = kstrdup(arg, GFP_KERNEL);  in traceprobe_parse_probe_arg()
517 		pr_info("Failed to allocate memory for command '%s'.\n", arg);  in traceprobe_parse_probe_arg()
522 		arg[t - parg->comm] = '\0';  in traceprobe_parse_probe_arg()
532 	ret = parse_probe_arg(arg, parg->type, &parg->fetch, is_return,  in traceprobe_parse_probe_arg()
565 void traceprobe_update_arg(struct probe_arg *arg)  in traceprobe_update_arg()  argument
567 	if (CHECK_FETCH_FUNCS(bitfield, arg->fetch.fn))  in traceprobe_update_arg()
568 		update_bitfield_fetch_param(arg->fetch.data);  in traceprobe_update_arg()
569 	else if (CHECK_FETCH_FUNCS(deref, arg->fetch.fn))  in traceprobe_update_arg()
570 		update_deref_fetch_param(arg->fetch.data);  in traceprobe_update_arg()
571 	else if (CHECK_FETCH_FUNCS(symbol, arg->fetch.fn))  in traceprobe_update_arg()
572 		update_symbol_cache(arg->fetch.data);  in traceprobe_update_arg()
575 void traceprobe_free_probe_arg(struct probe_arg *arg)  in traceprobe_free_probe_arg()  argument
577 	if (CHECK_FETCH_FUNCS(bitfield, arg->fetch.fn))  in traceprobe_free_probe_arg()
578 		free_bitfield_fetch_param(arg->fetch.data);  in traceprobe_free_probe_arg()
579 	else if (CHECK_FETCH_FUNCS(deref, arg->fetch.fn))  in traceprobe_free_probe_arg()
580 		free_deref_fetch_param(arg->fetch.data);  in traceprobe_free_probe_arg()
581 	else if (CHECK_FETCH_FUNCS(symbol, arg->fetch.fn))  in traceprobe_free_probe_arg()
582 		free_symbol_cache(arg->fetch.data);  in traceprobe_free_probe_arg()
584 	kfree(arg->name);  in traceprobe_free_probe_arg()
585 	kfree(arg->comm);  in traceprobe_free_probe_arg()
669 	const char *fmt, *arg;  in __set_print_fmt()  local
673 		arg = "REC->" FIELD_STRING_IP;  in __set_print_fmt()
676 		arg = "REC->" FIELD_STRING_FUNC ", REC->" FIELD_STRING_RETIP;  in __set_print_fmt()
689 	pos += snprintf(buf + pos, LEN_OR_ZERO, "\", %s", arg);  in __set_print_fmt()