2099 static void addr_filter__free_str(struct addr_filter *filt)  in addr_filter__free_str()  argument
2101 	zfree(&filt->str);  in addr_filter__free_str()
2102 	filt->action   = NULL;  in addr_filter__free_str()
2103 	filt->sym_from = NULL;  in addr_filter__free_str()
2104 	filt->sym_to   = NULL;  in addr_filter__free_str()
2105 	filt->filename = NULL;  in addr_filter__free_str()
2110 	struct addr_filter *filt = zalloc(sizeof(*filt));  in addr_filter__new()  local
2112 	if (filt)  in addr_filter__new()
2113 		INIT_LIST_HEAD(&filt->list);  in addr_filter__new()
2115 	return filt;  in addr_filter__new()
2118 static void addr_filter__free(struct addr_filter *filt)  in addr_filter__free()  argument
2120 	if (filt)  in addr_filter__free()
2121 		addr_filter__free_str(filt);  in addr_filter__free()
2122 	free(filt);  in addr_filter__free()
2126 			      struct addr_filter *filt)  in addr_filters__add()  argument
2128 	list_add_tail(&filt->list, &filts->head);  in addr_filters__add()
2133 			      struct addr_filter *filt)  in addr_filters__del()  argument
2135 	list_del_init(&filt->list);  in addr_filters__del()
2147 	struct addr_filter *filt, *n;  in addr_filters__exit()  local
2149 	list_for_each_entry_safe(filt, n, &filts->head, list) {  in addr_filters__exit()
2150 		addr_filters__del(filts, filt);  in addr_filters__exit()
2151 		addr_filter__free(filt);  in addr_filters__exit()
2191 static int parse_action(struct addr_filter *filt)  in parse_action()  argument
2193 	if (!strcmp(filt->action, "filter")) {  in parse_action()
2194 		filt->start = true;  in parse_action()
2195 		filt->range = true;  in parse_action()
2196 	} else if (!strcmp(filt->action, "start")) {  in parse_action()
2197 		filt->start = true;  in parse_action()
2198 	} else if (!strcmp(filt->action, "stop")) {  in parse_action()
2199 		filt->start = false;  in parse_action()
2200 	} else if (!strcmp(filt->action, "tracestop")) {  in parse_action()
2201 		filt->start = false;  in parse_action()
2202 		filt->range = true;  in parse_action()
2203 		filt->action += 5; /* Change 'tracestop' to 'stop' */  in parse_action()
2251 static int parse_one_filter(struct addr_filter *filt, const char **filter_inp)  in parse_one_filter()  argument
2256 	filt->str = fstr = strdup(*filter_inp);  in parse_one_filter()
2260 	err = parse_num_or_str(&fstr, NULL, &filt->action, " ");  in parse_one_filter()
2264 	err = parse_action(filt);  in parse_one_filter()
2268 	err = parse_addr_size(&fstr, &filt->addr, &filt->sym_from,  in parse_one_filter()
2269 			      &filt->sym_from_idx);  in parse_one_filter()
2277 		err = parse_addr_size(&fstr, &filt->size, &filt->sym_to,  in parse_one_filter()
2278 				      &filt->sym_to_idx);  in parse_one_filter()
2281 		filt->range = true;  in parse_one_filter()
2288 		err = parse_num_or_str(&fstr, NULL, &filt->filename, " ,");  in parse_one_filter()
2295 	*filter_inp += fstr - filt->str;  in parse_one_filter()
2300 	addr_filter__free_str(filt);  in parse_one_filter()
2308 	struct addr_filter *filt;  in addr_filters__parse_bare_filter()  local
2313 		filt = addr_filter__new();  in addr_filters__parse_bare_filter()
2314 		err = parse_one_filter(filt, &fstr);  in addr_filters__parse_bare_filter()
2316 			addr_filter__free(filt);  in addr_filters__parse_bare_filter()
2320 		addr_filters__add(filts, filt);  in addr_filters__parse_bare_filter()
2471 static int addr_filter__entire_kernel(struct addr_filter *filt)  in addr_filter__entire_kernel()  argument
2482 	filt->addr = args.start;  in addr_filter__entire_kernel()
2483 	filt->size = args.size;  in addr_filter__entire_kernel()
2488 static int check_end_after_start(struct addr_filter *filt, u64 start, u64 size)  in check_end_after_start()  argument
2490 	if (start + size >= filt->addr)  in check_end_after_start()
2493 	if (filt->sym_from) {  in check_end_after_start()
2495 		       filt->sym_to, start, filt->sym_from, filt->addr);  in check_end_after_start()
2498 		       filt->sym_to, start, filt->addr);  in check_end_after_start()
2504 static int addr_filter__resolve_kernel_syms(struct addr_filter *filt)  in addr_filter__resolve_kernel_syms()  argument
2515 	if (filt->sym_from && !strcmp(filt->sym_from, "*"))  in addr_filter__resolve_kernel_syms()
2516 		return addr_filter__entire_kernel(filt);  in addr_filter__resolve_kernel_syms()
2518 	if (filt->sym_from) {  in addr_filter__resolve_kernel_syms()
2519 		err = find_kern_sym(filt->sym_from, &start, &size,  in addr_filter__resolve_kernel_syms()
2520 				    filt->sym_from_idx);  in addr_filter__resolve_kernel_syms()
2523 		filt->addr = start;  in addr_filter__resolve_kernel_syms()
2524 		if (filt->range && !filt->size && !filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2525 			filt->size = size;  in addr_filter__resolve_kernel_syms()
2530 	if (filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2531 		err = find_kern_sym(filt->sym_to, &start, &size,  in addr_filter__resolve_kernel_syms()
2532 				    filt->sym_to_idx);  in addr_filter__resolve_kernel_syms()
2536 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_kernel_syms()
2539 		filt->size = start + size - filt->addr;  in addr_filter__resolve_kernel_syms()
2546 		       filt->sym_to ? filt->sym_to : filt->sym_from);  in addr_filter__resolve_kernel_syms()
2645 static int addr_filter__entire_dso(struct addr_filter *filt, struct dso *dso)  in addr_filter__entire_dso()  argument
2649 		       filt->filename);  in addr_filter__entire_dso()
2653 	filt->addr = 0;  in addr_filter__entire_dso()
2654 	filt->size = dso->data.file_size;  in addr_filter__entire_dso()
2659 static int addr_filter__resolve_syms(struct addr_filter *filt)  in addr_filter__resolve_syms()  argument
2665 	if (!filt->sym_from && !filt->sym_to)  in addr_filter__resolve_syms()
2668 	if (!filt->filename)  in addr_filter__resolve_syms()
2669 		return addr_filter__resolve_kernel_syms(filt);  in addr_filter__resolve_syms()
2671 	dso = load_dso(filt->filename);  in addr_filter__resolve_syms()
2673 		pr_err("Failed to load symbols from: %s\n", filt->filename);  in addr_filter__resolve_syms()
2677 	if (filt->sym_from && !strcmp(filt->sym_from, "*")) {  in addr_filter__resolve_syms()
2678 		err = addr_filter__entire_dso(filt, dso);  in addr_filter__resolve_syms()
2682 	if (filt->sym_from) {  in addr_filter__resolve_syms()
2683 		err = find_dso_sym(dso, filt->sym_from, &start, &size,  in addr_filter__resolve_syms()
2684 				   filt->sym_from_idx);  in addr_filter__resolve_syms()
2687 		filt->addr = start;  in addr_filter__resolve_syms()
2688 		if (filt->range && !filt->size && !filt->sym_to)  in addr_filter__resolve_syms()
2689 			filt->size = size;  in addr_filter__resolve_syms()
2692 	if (filt->sym_to) {  in addr_filter__resolve_syms()
2693 		err = find_dso_sym(dso, filt->sym_to, &start, &size,  in addr_filter__resolve_syms()
2694 				   filt->sym_to_idx);  in addr_filter__resolve_syms()
2698 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_syms()
2702 		filt->size = start + size - filt->addr;  in addr_filter__resolve_syms()
2711 static char *addr_filter__to_str(struct addr_filter *filt)  in addr_filter__to_str()  argument
2719 	if (filt->filename) {  in addr_filter__to_str()
2721 		fn = realpath(filt->filename, filename_buf);  in addr_filter__to_str()
2726 	if (filt->range) {  in addr_filter__to_str()
2728 			       filt->action, filt->addr, filt->size, at, fn);  in addr_filter__to_str()
2731 			       filt->action, filt->addr, at, fn);  in addr_filter__to_str()
2741 	struct addr_filter *filt;  in parse_addr_filter()  local
2757 	list_for_each_entry(filt, &filts.head, list) {  in parse_addr_filter()
2760 		err = addr_filter__resolve_syms(filt);  in parse_addr_filter()
2764 		new_filter = addr_filter__to_str(filt);  in parse_addr_filter()