2023 static void addr_filter__free_str(struct addr_filter *filt)  in addr_filter__free_str()  argument
2025 	zfree(&filt->str);  in addr_filter__free_str()
2026 	filt->action   = NULL;  in addr_filter__free_str()
2027 	filt->sym_from = NULL;  in addr_filter__free_str()
2028 	filt->sym_to   = NULL;  in addr_filter__free_str()
2029 	filt->filename = NULL;  in addr_filter__free_str()
2034 	struct addr_filter *filt = zalloc(sizeof(*filt));  in addr_filter__new()  local
2036 	if (filt)  in addr_filter__new()
2037 		INIT_LIST_HEAD(&filt->list);  in addr_filter__new()
2039 	return filt;  in addr_filter__new()
2042 static void addr_filter__free(struct addr_filter *filt)  in addr_filter__free()  argument
2044 	if (filt)  in addr_filter__free()
2045 		addr_filter__free_str(filt);  in addr_filter__free()
2046 	free(filt);  in addr_filter__free()
2050 			      struct addr_filter *filt)  in addr_filters__add()  argument
2052 	list_add_tail(&filt->list, &filts->head);  in addr_filters__add()
2057 			      struct addr_filter *filt)  in addr_filters__del()  argument
2059 	list_del_init(&filt->list);  in addr_filters__del()
2071 	struct addr_filter *filt, *n;  in addr_filters__exit()  local
2073 	list_for_each_entry_safe(filt, n, &filts->head, list) {  in addr_filters__exit()
2074 		addr_filters__del(filts, filt);  in addr_filters__exit()
2075 		addr_filter__free(filt);  in addr_filters__exit()
2115 static int parse_action(struct addr_filter *filt)  in parse_action()  argument
2117 	if (!strcmp(filt->action, "filter")) {  in parse_action()
2118 		filt->start = true;  in parse_action()
2119 		filt->range = true;  in parse_action()
2120 	} else if (!strcmp(filt->action, "start")) {  in parse_action()
2121 		filt->start = true;  in parse_action()
2122 	} else if (!strcmp(filt->action, "stop")) {  in parse_action()
2123 		filt->start = false;  in parse_action()
2124 	} else if (!strcmp(filt->action, "tracestop")) {  in parse_action()
2125 		filt->start = false;  in parse_action()
2126 		filt->range = true;  in parse_action()
2127 		filt->action += 5; /* Change 'tracestop' to 'stop' */  in parse_action()
2175 static int parse_one_filter(struct addr_filter *filt, const char **filter_inp)  in parse_one_filter()  argument
2180 	filt->str = fstr = strdup(*filter_inp);  in parse_one_filter()
2184 	err = parse_num_or_str(&fstr, NULL, &filt->action, " ");  in parse_one_filter()
2188 	err = parse_action(filt);  in parse_one_filter()
2192 	err = parse_addr_size(&fstr, &filt->addr, &filt->sym_from,  in parse_one_filter()
2193 			      &filt->sym_from_idx);  in parse_one_filter()
2201 		err = parse_addr_size(&fstr, &filt->size, &filt->sym_to,  in parse_one_filter()
2202 				      &filt->sym_to_idx);  in parse_one_filter()
2205 		filt->range = true;  in parse_one_filter()
2212 		err = parse_num_or_str(&fstr, NULL, &filt->filename, " ,");  in parse_one_filter()
2219 	*filter_inp += fstr - filt->str;  in parse_one_filter()
2224 	addr_filter__free_str(filt);  in parse_one_filter()
2232 	struct addr_filter *filt;  in addr_filters__parse_bare_filter()  local
2237 		filt = addr_filter__new();  in addr_filters__parse_bare_filter()
2238 		err = parse_one_filter(filt, &fstr);  in addr_filters__parse_bare_filter()
2240 			addr_filter__free(filt);  in addr_filters__parse_bare_filter()
2244 		addr_filters__add(filts, filt);  in addr_filters__parse_bare_filter()
2384 static int addr_filter__entire_kernel(struct addr_filter *filt)  in addr_filter__entire_kernel()  argument
2395 	filt->addr = args.start;  in addr_filter__entire_kernel()
2396 	filt->size = args.size;  in addr_filter__entire_kernel()
2401 static int check_end_after_start(struct addr_filter *filt, u64 start, u64 size)  in check_end_after_start()  argument
2403 	if (start + size >= filt->addr)  in check_end_after_start()
2406 	if (filt->sym_from) {  in check_end_after_start()
2408 		       filt->sym_to, start, filt->sym_from, filt->addr);  in check_end_after_start()
2411 		       filt->sym_to, start, filt->addr);  in check_end_after_start()
2417 static int addr_filter__resolve_kernel_syms(struct addr_filter *filt)  in addr_filter__resolve_kernel_syms()  argument
2428 	if (filt->sym_from && !strcmp(filt->sym_from, "*"))  in addr_filter__resolve_kernel_syms()
2429 		return addr_filter__entire_kernel(filt);  in addr_filter__resolve_kernel_syms()
2431 	if (filt->sym_from) {  in addr_filter__resolve_kernel_syms()
2432 		err = find_kern_sym(filt->sym_from, &start, &size,  in addr_filter__resolve_kernel_syms()
2433 				    filt->sym_from_idx);  in addr_filter__resolve_kernel_syms()
2436 		filt->addr = start;  in addr_filter__resolve_kernel_syms()
2437 		if (filt->range && !filt->size && !filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2438 			filt->size = size;  in addr_filter__resolve_kernel_syms()
2443 	if (filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2444 		err = find_kern_sym(filt->sym_to, &start, &size,  in addr_filter__resolve_kernel_syms()
2445 				    filt->sym_to_idx);  in addr_filter__resolve_kernel_syms()
2449 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_kernel_syms()
2452 		filt->size = start + size - filt->addr;  in addr_filter__resolve_kernel_syms()
2459 		       filt->sym_to ? filt->sym_to : filt->sym_from);  in addr_filter__resolve_kernel_syms()
2558 static int addr_filter__entire_dso(struct addr_filter *filt, struct dso *dso)  in addr_filter__entire_dso()  argument
2562 		       filt->filename);  in addr_filter__entire_dso()
2566 	filt->addr = 0;  in addr_filter__entire_dso()
2567 	filt->size = dso->data.file_size;  in addr_filter__entire_dso()
2572 static int addr_filter__resolve_syms(struct addr_filter *filt)  in addr_filter__resolve_syms()  argument
2578 	if (!filt->sym_from && !filt->sym_to)  in addr_filter__resolve_syms()
2581 	if (!filt->filename)  in addr_filter__resolve_syms()
2582 		return addr_filter__resolve_kernel_syms(filt);  in addr_filter__resolve_syms()
2584 	dso = load_dso(filt->filename);  in addr_filter__resolve_syms()
2586 		pr_err("Failed to load symbols from: %s\n", filt->filename);  in addr_filter__resolve_syms()
2590 	if (filt->sym_from && !strcmp(filt->sym_from, "*")) {  in addr_filter__resolve_syms()
2591 		err = addr_filter__entire_dso(filt, dso);  in addr_filter__resolve_syms()
2595 	if (filt->sym_from) {  in addr_filter__resolve_syms()
2596 		err = find_dso_sym(dso, filt->sym_from, &start, &size,  in addr_filter__resolve_syms()
2597 				   filt->sym_from_idx);  in addr_filter__resolve_syms()
2600 		filt->addr = start;  in addr_filter__resolve_syms()
2601 		if (filt->range && !filt->size && !filt->sym_to)  in addr_filter__resolve_syms()
2602 			filt->size = size;  in addr_filter__resolve_syms()
2605 	if (filt->sym_to) {  in addr_filter__resolve_syms()
2606 		err = find_dso_sym(dso, filt->sym_to, &start, &size,  in addr_filter__resolve_syms()
2607 				   filt->sym_to_idx);  in addr_filter__resolve_syms()
2611 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_syms()
2615 		filt->size = start + size - filt->addr;  in addr_filter__resolve_syms()
2624 static char *addr_filter__to_str(struct addr_filter *filt)  in addr_filter__to_str()  argument
2632 	if (filt->filename) {  in addr_filter__to_str()
2634 		fn = realpath(filt->filename, filename_buf);  in addr_filter__to_str()
2639 	if (filt->range) {  in addr_filter__to_str()
2641 			       filt->action, filt->addr, filt->size, at, fn);  in addr_filter__to_str()
2644 			       filt->action, filt->addr, at, fn);  in addr_filter__to_str()
2654 	struct addr_filter *filt;  in parse_addr_filter()  local
2670 	list_for_each_entry(filt, &filts.head, list) {  in parse_addr_filter()
2673 		err = addr_filter__resolve_syms(filt);  in parse_addr_filter()
2677 		new_filter = addr_filter__to_str(filt);  in parse_addr_filter()