2100 static void addr_filter__free_str(struct addr_filter *filt)  in addr_filter__free_str()  argument
2102 	zfree(&filt->str);  in addr_filter__free_str()
2103 	filt->action   = NULL;  in addr_filter__free_str()
2104 	filt->sym_from = NULL;  in addr_filter__free_str()
2105 	filt->sym_to   = NULL;  in addr_filter__free_str()
2106 	filt->filename = NULL;  in addr_filter__free_str()
2111 	struct addr_filter *filt = zalloc(sizeof(*filt));  in addr_filter__new()  local
2113 	if (filt)  in addr_filter__new()
2114 		INIT_LIST_HEAD(&filt->list);  in addr_filter__new()
2116 	return filt;  in addr_filter__new()
2119 static void addr_filter__free(struct addr_filter *filt)  in addr_filter__free()  argument
2121 	if (filt)  in addr_filter__free()
2122 		addr_filter__free_str(filt);  in addr_filter__free()
2123 	free(filt);  in addr_filter__free()
2127 			      struct addr_filter *filt)  in addr_filters__add()  argument
2129 	list_add_tail(&filt->list, &filts->head);  in addr_filters__add()
2134 			      struct addr_filter *filt)  in addr_filters__del()  argument
2136 	list_del_init(&filt->list);  in addr_filters__del()
2148 	struct addr_filter *filt, *n;  in addr_filters__exit()  local
2150 	list_for_each_entry_safe(filt, n, &filts->head, list) {  in addr_filters__exit()
2151 		addr_filters__del(filts, filt);  in addr_filters__exit()
2152 		addr_filter__free(filt);  in addr_filters__exit()
2192 static int parse_action(struct addr_filter *filt)  in parse_action()  argument
2194 	if (!strcmp(filt->action, "filter")) {  in parse_action()
2195 		filt->start = true;  in parse_action()
2196 		filt->range = true;  in parse_action()
2197 	} else if (!strcmp(filt->action, "start")) {  in parse_action()
2198 		filt->start = true;  in parse_action()
2199 	} else if (!strcmp(filt->action, "stop")) {  in parse_action()
2200 		filt->start = false;  in parse_action()
2201 	} else if (!strcmp(filt->action, "tracestop")) {  in parse_action()
2202 		filt->start = false;  in parse_action()
2203 		filt->range = true;  in parse_action()
2204 		filt->action += 5; /* Change 'tracestop' to 'stop' */  in parse_action()
2252 static int parse_one_filter(struct addr_filter *filt, const char **filter_inp)  in parse_one_filter()  argument
2257 	filt->str = fstr = strdup(*filter_inp);  in parse_one_filter()
2261 	err = parse_num_or_str(&fstr, NULL, &filt->action, " ");  in parse_one_filter()
2265 	err = parse_action(filt);  in parse_one_filter()
2269 	err = parse_addr_size(&fstr, &filt->addr, &filt->sym_from,  in parse_one_filter()
2270 			      &filt->sym_from_idx);  in parse_one_filter()
2278 		err = parse_addr_size(&fstr, &filt->size, &filt->sym_to,  in parse_one_filter()
2279 				      &filt->sym_to_idx);  in parse_one_filter()
2282 		filt->range = true;  in parse_one_filter()
2289 		err = parse_num_or_str(&fstr, NULL, &filt->filename, " ,");  in parse_one_filter()
2296 	*filter_inp += fstr - filt->str;  in parse_one_filter()
2301 	addr_filter__free_str(filt);  in parse_one_filter()
2309 	struct addr_filter *filt;  in addr_filters__parse_bare_filter()  local
2314 		filt = addr_filter__new();  in addr_filters__parse_bare_filter()
2315 		err = parse_one_filter(filt, &fstr);  in addr_filters__parse_bare_filter()
2317 			addr_filter__free(filt);  in addr_filters__parse_bare_filter()
2321 		addr_filters__add(filts, filt);  in addr_filters__parse_bare_filter()
2472 static int addr_filter__entire_kernel(struct addr_filter *filt)  in addr_filter__entire_kernel()  argument
2483 	filt->addr = args.start;  in addr_filter__entire_kernel()
2484 	filt->size = args.size;  in addr_filter__entire_kernel()
2489 static int check_end_after_start(struct addr_filter *filt, u64 start, u64 size)  in check_end_after_start()  argument
2491 	if (start + size >= filt->addr)  in check_end_after_start()
2494 	if (filt->sym_from) {  in check_end_after_start()
2496 		       filt->sym_to, start, filt->sym_from, filt->addr);  in check_end_after_start()
2499 		       filt->sym_to, start, filt->addr);  in check_end_after_start()
2505 static int addr_filter__resolve_kernel_syms(struct addr_filter *filt)  in addr_filter__resolve_kernel_syms()  argument
2516 	if (filt->sym_from && !strcmp(filt->sym_from, "*"))  in addr_filter__resolve_kernel_syms()
2517 		return addr_filter__entire_kernel(filt);  in addr_filter__resolve_kernel_syms()
2519 	if (filt->sym_from) {  in addr_filter__resolve_kernel_syms()
2520 		err = find_kern_sym(filt->sym_from, &start, &size,  in addr_filter__resolve_kernel_syms()
2521 				    filt->sym_from_idx);  in addr_filter__resolve_kernel_syms()
2524 		filt->addr = start;  in addr_filter__resolve_kernel_syms()
2525 		if (filt->range && !filt->size && !filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2526 			filt->size = size;  in addr_filter__resolve_kernel_syms()
2531 	if (filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2532 		err = find_kern_sym(filt->sym_to, &start, &size,  in addr_filter__resolve_kernel_syms()
2533 				    filt->sym_to_idx);  in addr_filter__resolve_kernel_syms()
2537 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_kernel_syms()
2540 		filt->size = start + size - filt->addr;  in addr_filter__resolve_kernel_syms()
2547 		       filt->sym_to ? filt->sym_to : filt->sym_from);  in addr_filter__resolve_kernel_syms()
2646 static int addr_filter__entire_dso(struct addr_filter *filt, struct dso *dso)  in addr_filter__entire_dso()  argument
2650 		       filt->filename);  in addr_filter__entire_dso()
2654 	filt->addr = 0;  in addr_filter__entire_dso()
2655 	filt->size = dso->data.file_size;  in addr_filter__entire_dso()
2660 static int addr_filter__resolve_syms(struct addr_filter *filt)  in addr_filter__resolve_syms()  argument
2666 	if (!filt->sym_from && !filt->sym_to)  in addr_filter__resolve_syms()
2669 	if (!filt->filename)  in addr_filter__resolve_syms()
2670 		return addr_filter__resolve_kernel_syms(filt);  in addr_filter__resolve_syms()
2672 	dso = load_dso(filt->filename);  in addr_filter__resolve_syms()
2674 		pr_err("Failed to load symbols from: %s\n", filt->filename);  in addr_filter__resolve_syms()
2678 	if (filt->sym_from && !strcmp(filt->sym_from, "*")) {  in addr_filter__resolve_syms()
2679 		err = addr_filter__entire_dso(filt, dso);  in addr_filter__resolve_syms()
2683 	if (filt->sym_from) {  in addr_filter__resolve_syms()
2684 		err = find_dso_sym(dso, filt->sym_from, &start, &size,  in addr_filter__resolve_syms()
2685 				   filt->sym_from_idx);  in addr_filter__resolve_syms()
2688 		filt->addr = start;  in addr_filter__resolve_syms()
2689 		if (filt->range && !filt->size && !filt->sym_to)  in addr_filter__resolve_syms()
2690 			filt->size = size;  in addr_filter__resolve_syms()
2693 	if (filt->sym_to) {  in addr_filter__resolve_syms()
2694 		err = find_dso_sym(dso, filt->sym_to, &start, &size,  in addr_filter__resolve_syms()
2695 				   filt->sym_to_idx);  in addr_filter__resolve_syms()
2699 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_syms()
2703 		filt->size = start + size - filt->addr;  in addr_filter__resolve_syms()
2712 static char *addr_filter__to_str(struct addr_filter *filt)  in addr_filter__to_str()  argument
2720 	if (filt->filename) {  in addr_filter__to_str()
2722 		fn = realpath(filt->filename, filename_buf);  in addr_filter__to_str()
2727 	if (filt->range) {  in addr_filter__to_str()
2729 			       filt->action, filt->addr, filt->size, at, fn);  in addr_filter__to_str()
2732 			       filt->action, filt->addr, at, fn);  in addr_filter__to_str()
2742 	struct addr_filter *filt;  in parse_addr_filter()  local
2758 	list_for_each_entry(filt, &filts.head, list) {  in parse_addr_filter()
2761 		err = addr_filter__resolve_syms(filt);  in parse_addr_filter()
2765 		new_filter = addr_filter__to_str(filt);  in parse_addr_filter()