1931 static void addr_filter__free_str(struct addr_filter *filt)  in addr_filter__free_str()  argument
1933 	zfree(&filt->str);  in addr_filter__free_str()
1934 	filt->action   = NULL;  in addr_filter__free_str()
1935 	filt->sym_from = NULL;  in addr_filter__free_str()
1936 	filt->sym_to   = NULL;  in addr_filter__free_str()
1937 	filt->filename = NULL;  in addr_filter__free_str()
1942 	struct addr_filter *filt = zalloc(sizeof(*filt));  in addr_filter__new()  local
1944 	if (filt)  in addr_filter__new()
1945 		INIT_LIST_HEAD(&filt->list);  in addr_filter__new()
1947 	return filt;  in addr_filter__new()
1950 static void addr_filter__free(struct addr_filter *filt)  in addr_filter__free()  argument
1952 	if (filt)  in addr_filter__free()
1953 		addr_filter__free_str(filt);  in addr_filter__free()
1954 	free(filt);  in addr_filter__free()
1958 			      struct addr_filter *filt)  in addr_filters__add()  argument
1960 	list_add_tail(&filt->list, &filts->head);  in addr_filters__add()
1965 			      struct addr_filter *filt)  in addr_filters__del()  argument
1967 	list_del_init(&filt->list);  in addr_filters__del()
1979 	struct addr_filter *filt, *n;  in addr_filters__exit()  local
1981 	list_for_each_entry_safe(filt, n, &filts->head, list) {  in addr_filters__exit()
1982 		addr_filters__del(filts, filt);  in addr_filters__exit()
1983 		addr_filter__free(filt);  in addr_filters__exit()
2023 static int parse_action(struct addr_filter *filt)  in parse_action()  argument
2025 	if (!strcmp(filt->action, "filter")) {  in parse_action()
2026 		filt->start = true;  in parse_action()
2027 		filt->range = true;  in parse_action()
2028 	} else if (!strcmp(filt->action, "start")) {  in parse_action()
2029 		filt->start = true;  in parse_action()
2030 	} else if (!strcmp(filt->action, "stop")) {  in parse_action()
2031 		filt->start = false;  in parse_action()
2032 	} else if (!strcmp(filt->action, "tracestop")) {  in parse_action()
2033 		filt->start = false;  in parse_action()
2034 		filt->range = true;  in parse_action()
2035 		filt->action += 5; /* Change 'tracestop' to 'stop' */  in parse_action()
2083 static int parse_one_filter(struct addr_filter *filt, const char **filter_inp)  in parse_one_filter()  argument
2088 	filt->str = fstr = strdup(*filter_inp);  in parse_one_filter()
2092 	err = parse_num_or_str(&fstr, NULL, &filt->action, " ");  in parse_one_filter()
2096 	err = parse_action(filt);  in parse_one_filter()
2100 	err = parse_addr_size(&fstr, &filt->addr, &filt->sym_from,  in parse_one_filter()
2101 			      &filt->sym_from_idx);  in parse_one_filter()
2109 		err = parse_addr_size(&fstr, &filt->size, &filt->sym_to,  in parse_one_filter()
2110 				      &filt->sym_to_idx);  in parse_one_filter()
2113 		filt->range = true;  in parse_one_filter()
2120 		err = parse_num_or_str(&fstr, NULL, &filt->filename, " ,");  in parse_one_filter()
2127 	*filter_inp += fstr - filt->str;  in parse_one_filter()
2132 	addr_filter__free_str(filt);  in parse_one_filter()
2140 	struct addr_filter *filt;  in addr_filters__parse_bare_filter()  local
2145 		filt = addr_filter__new();  in addr_filters__parse_bare_filter()
2146 		err = parse_one_filter(filt, &fstr);  in addr_filters__parse_bare_filter()
2148 			addr_filter__free(filt);  in addr_filters__parse_bare_filter()
2152 		addr_filters__add(filts, filt);  in addr_filters__parse_bare_filter()
2292 static int addr_filter__entire_kernel(struct addr_filter *filt)  in addr_filter__entire_kernel()  argument
2303 	filt->addr = args.start;  in addr_filter__entire_kernel()
2304 	filt->size = args.size;  in addr_filter__entire_kernel()
2309 static int check_end_after_start(struct addr_filter *filt, u64 start, u64 size)  in check_end_after_start()  argument
2311 	if (start + size >= filt->addr)  in check_end_after_start()
2314 	if (filt->sym_from) {  in check_end_after_start()
2316 		       filt->sym_to, start, filt->sym_from, filt->addr);  in check_end_after_start()
2319 		       filt->sym_to, start, filt->addr);  in check_end_after_start()
2325 static int addr_filter__resolve_kernel_syms(struct addr_filter *filt)  in addr_filter__resolve_kernel_syms()  argument
2336 	if (filt->sym_from && !strcmp(filt->sym_from, "*"))  in addr_filter__resolve_kernel_syms()
2337 		return addr_filter__entire_kernel(filt);  in addr_filter__resolve_kernel_syms()
2339 	if (filt->sym_from) {  in addr_filter__resolve_kernel_syms()
2340 		err = find_kern_sym(filt->sym_from, &start, &size,  in addr_filter__resolve_kernel_syms()
2341 				    filt->sym_from_idx);  in addr_filter__resolve_kernel_syms()
2344 		filt->addr = start;  in addr_filter__resolve_kernel_syms()
2345 		if (filt->range && !filt->size && !filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2346 			filt->size = size;  in addr_filter__resolve_kernel_syms()
2351 	if (filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2352 		err = find_kern_sym(filt->sym_to, &start, &size,  in addr_filter__resolve_kernel_syms()
2353 				    filt->sym_to_idx);  in addr_filter__resolve_kernel_syms()
2357 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_kernel_syms()
2360 		filt->size = start + size - filt->addr;  in addr_filter__resolve_kernel_syms()
2367 		       filt->sym_to ? filt->sym_to : filt->sym_from);  in addr_filter__resolve_kernel_syms()
2466 static int addr_filter__entire_dso(struct addr_filter *filt, struct dso *dso)  in addr_filter__entire_dso()  argument
2470 		       filt->filename);  in addr_filter__entire_dso()
2474 	filt->addr = 0;  in addr_filter__entire_dso()
2475 	filt->size = dso->data.file_size;  in addr_filter__entire_dso()
2480 static int addr_filter__resolve_syms(struct addr_filter *filt)  in addr_filter__resolve_syms()  argument
2486 	if (!filt->sym_from && !filt->sym_to)  in addr_filter__resolve_syms()
2489 	if (!filt->filename)  in addr_filter__resolve_syms()
2490 		return addr_filter__resolve_kernel_syms(filt);  in addr_filter__resolve_syms()
2492 	dso = load_dso(filt->filename);  in addr_filter__resolve_syms()
2494 		pr_err("Failed to load symbols from: %s\n", filt->filename);  in addr_filter__resolve_syms()
2498 	if (filt->sym_from && !strcmp(filt->sym_from, "*")) {  in addr_filter__resolve_syms()
2499 		err = addr_filter__entire_dso(filt, dso);  in addr_filter__resolve_syms()
2503 	if (filt->sym_from) {  in addr_filter__resolve_syms()
2504 		err = find_dso_sym(dso, filt->sym_from, &start, &size,  in addr_filter__resolve_syms()
2505 				   filt->sym_from_idx);  in addr_filter__resolve_syms()
2508 		filt->addr = start;  in addr_filter__resolve_syms()
2509 		if (filt->range && !filt->size && !filt->sym_to)  in addr_filter__resolve_syms()
2510 			filt->size = size;  in addr_filter__resolve_syms()
2513 	if (filt->sym_to) {  in addr_filter__resolve_syms()
2514 		err = find_dso_sym(dso, filt->sym_to, &start, &size,  in addr_filter__resolve_syms()
2515 				   filt->sym_to_idx);  in addr_filter__resolve_syms()
2519 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_syms()
2523 		filt->size = start + size - filt->addr;  in addr_filter__resolve_syms()
2532 static char *addr_filter__to_str(struct addr_filter *filt)  in addr_filter__to_str()  argument
2540 	if (filt->filename) {  in addr_filter__to_str()
2542 		fn = realpath(filt->filename, filename_buf);  in addr_filter__to_str()
2547 	if (filt->range) {  in addr_filter__to_str()
2549 			       filt->action, filt->addr, filt->size, at, fn);  in addr_filter__to_str()
2552 			       filt->action, filt->addr, at, fn);  in addr_filter__to_str()
2562 	struct addr_filter *filt;  in parse_addr_filter()  local
2578 	list_for_each_entry(filt, &filts.head, list) {  in parse_addr_filter()
2581 		err = addr_filter__resolve_syms(filt);  in parse_addr_filter()
2585 		new_filter = addr_filter__to_str(filt);  in parse_addr_filter()