2053 static void addr_filter__free_str(struct addr_filter *filt)  in addr_filter__free_str()  argument
2055 	zfree(&filt->str);  in addr_filter__free_str()
2056 	filt->action   = NULL;  in addr_filter__free_str()
2057 	filt->sym_from = NULL;  in addr_filter__free_str()
2058 	filt->sym_to   = NULL;  in addr_filter__free_str()
2059 	filt->filename = NULL;  in addr_filter__free_str()
2064 	struct addr_filter *filt = zalloc(sizeof(*filt));  in addr_filter__new()  local
2066 	if (filt)  in addr_filter__new()
2067 		INIT_LIST_HEAD(&filt->list);  in addr_filter__new()
2069 	return filt;  in addr_filter__new()
2072 static void addr_filter__free(struct addr_filter *filt)  in addr_filter__free()  argument
2074 	if (filt)  in addr_filter__free()
2075 		addr_filter__free_str(filt);  in addr_filter__free()
2076 	free(filt);  in addr_filter__free()
2080 			      struct addr_filter *filt)  in addr_filters__add()  argument
2082 	list_add_tail(&filt->list, &filts->head);  in addr_filters__add()
2087 			      struct addr_filter *filt)  in addr_filters__del()  argument
2089 	list_del_init(&filt->list);  in addr_filters__del()
2101 	struct addr_filter *filt, *n;  in addr_filters__exit()  local
2103 	list_for_each_entry_safe(filt, n, &filts->head, list) {  in addr_filters__exit()
2104 		addr_filters__del(filts, filt);  in addr_filters__exit()
2105 		addr_filter__free(filt);  in addr_filters__exit()
2145 static int parse_action(struct addr_filter *filt)  in parse_action()  argument
2147 	if (!strcmp(filt->action, "filter")) {  in parse_action()
2148 		filt->start = true;  in parse_action()
2149 		filt->range = true;  in parse_action()
2150 	} else if (!strcmp(filt->action, "start")) {  in parse_action()
2151 		filt->start = true;  in parse_action()
2152 	} else if (!strcmp(filt->action, "stop")) {  in parse_action()
2153 		filt->start = false;  in parse_action()
2154 	} else if (!strcmp(filt->action, "tracestop")) {  in parse_action()
2155 		filt->start = false;  in parse_action()
2156 		filt->range = true;  in parse_action()
2157 		filt->action += 5; /* Change 'tracestop' to 'stop' */  in parse_action()
2205 static int parse_one_filter(struct addr_filter *filt, const char **filter_inp)  in parse_one_filter()  argument
2210 	filt->str = fstr = strdup(*filter_inp);  in parse_one_filter()
2214 	err = parse_num_or_str(&fstr, NULL, &filt->action, " ");  in parse_one_filter()
2218 	err = parse_action(filt);  in parse_one_filter()
2222 	err = parse_addr_size(&fstr, &filt->addr, &filt->sym_from,  in parse_one_filter()
2223 			      &filt->sym_from_idx);  in parse_one_filter()
2231 		err = parse_addr_size(&fstr, &filt->size, &filt->sym_to,  in parse_one_filter()
2232 				      &filt->sym_to_idx);  in parse_one_filter()
2235 		filt->range = true;  in parse_one_filter()
2242 		err = parse_num_or_str(&fstr, NULL, &filt->filename, " ,");  in parse_one_filter()
2249 	*filter_inp += fstr - filt->str;  in parse_one_filter()
2254 	addr_filter__free_str(filt);  in parse_one_filter()
2262 	struct addr_filter *filt;  in addr_filters__parse_bare_filter()  local
2267 		filt = addr_filter__new();  in addr_filters__parse_bare_filter()
2268 		err = parse_one_filter(filt, &fstr);  in addr_filters__parse_bare_filter()
2270 			addr_filter__free(filt);  in addr_filters__parse_bare_filter()
2274 		addr_filters__add(filts, filt);  in addr_filters__parse_bare_filter()
2414 static int addr_filter__entire_kernel(struct addr_filter *filt)  in addr_filter__entire_kernel()  argument
2425 	filt->addr = args.start;  in addr_filter__entire_kernel()
2426 	filt->size = args.size;  in addr_filter__entire_kernel()
2431 static int check_end_after_start(struct addr_filter *filt, u64 start, u64 size)  in check_end_after_start()  argument
2433 	if (start + size >= filt->addr)  in check_end_after_start()
2436 	if (filt->sym_from) {  in check_end_after_start()
2438 		       filt->sym_to, start, filt->sym_from, filt->addr);  in check_end_after_start()
2441 		       filt->sym_to, start, filt->addr);  in check_end_after_start()
2447 static int addr_filter__resolve_kernel_syms(struct addr_filter *filt)  in addr_filter__resolve_kernel_syms()  argument
2458 	if (filt->sym_from && !strcmp(filt->sym_from, "*"))  in addr_filter__resolve_kernel_syms()
2459 		return addr_filter__entire_kernel(filt);  in addr_filter__resolve_kernel_syms()
2461 	if (filt->sym_from) {  in addr_filter__resolve_kernel_syms()
2462 		err = find_kern_sym(filt->sym_from, &start, &size,  in addr_filter__resolve_kernel_syms()
2463 				    filt->sym_from_idx);  in addr_filter__resolve_kernel_syms()
2466 		filt->addr = start;  in addr_filter__resolve_kernel_syms()
2467 		if (filt->range && !filt->size && !filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2468 			filt->size = size;  in addr_filter__resolve_kernel_syms()
2473 	if (filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2474 		err = find_kern_sym(filt->sym_to, &start, &size,  in addr_filter__resolve_kernel_syms()
2475 				    filt->sym_to_idx);  in addr_filter__resolve_kernel_syms()
2479 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_kernel_syms()
2482 		filt->size = start + size - filt->addr;  in addr_filter__resolve_kernel_syms()
2489 		       filt->sym_to ? filt->sym_to : filt->sym_from);  in addr_filter__resolve_kernel_syms()
2588 static int addr_filter__entire_dso(struct addr_filter *filt, struct dso *dso)  in addr_filter__entire_dso()  argument
2592 		       filt->filename);  in addr_filter__entire_dso()
2596 	filt->addr = 0;  in addr_filter__entire_dso()
2597 	filt->size = dso->data.file_size;  in addr_filter__entire_dso()
2602 static int addr_filter__resolve_syms(struct addr_filter *filt)  in addr_filter__resolve_syms()  argument
2608 	if (!filt->sym_from && !filt->sym_to)  in addr_filter__resolve_syms()
2611 	if (!filt->filename)  in addr_filter__resolve_syms()
2612 		return addr_filter__resolve_kernel_syms(filt);  in addr_filter__resolve_syms()
2614 	dso = load_dso(filt->filename);  in addr_filter__resolve_syms()
2616 		pr_err("Failed to load symbols from: %s\n", filt->filename);  in addr_filter__resolve_syms()
2620 	if (filt->sym_from && !strcmp(filt->sym_from, "*")) {  in addr_filter__resolve_syms()
2621 		err = addr_filter__entire_dso(filt, dso);  in addr_filter__resolve_syms()
2625 	if (filt->sym_from) {  in addr_filter__resolve_syms()
2626 		err = find_dso_sym(dso, filt->sym_from, &start, &size,  in addr_filter__resolve_syms()
2627 				   filt->sym_from_idx);  in addr_filter__resolve_syms()
2630 		filt->addr = start;  in addr_filter__resolve_syms()
2631 		if (filt->range && !filt->size && !filt->sym_to)  in addr_filter__resolve_syms()
2632 			filt->size = size;  in addr_filter__resolve_syms()
2635 	if (filt->sym_to) {  in addr_filter__resolve_syms()
2636 		err = find_dso_sym(dso, filt->sym_to, &start, &size,  in addr_filter__resolve_syms()
2637 				   filt->sym_to_idx);  in addr_filter__resolve_syms()
2641 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_syms()
2645 		filt->size = start + size - filt->addr;  in addr_filter__resolve_syms()
2654 static char *addr_filter__to_str(struct addr_filter *filt)  in addr_filter__to_str()  argument
2662 	if (filt->filename) {  in addr_filter__to_str()
2664 		fn = realpath(filt->filename, filename_buf);  in addr_filter__to_str()
2669 	if (filt->range) {  in addr_filter__to_str()
2671 			       filt->action, filt->addr, filt->size, at, fn);  in addr_filter__to_str()
2674 			       filt->action, filt->addr, at, fn);  in addr_filter__to_str()
2684 	struct addr_filter *filt;  in parse_addr_filter()  local
2700 	list_for_each_entry(filt, &filts.head, list) {  in parse_addr_filter()
2703 		err = addr_filter__resolve_syms(filt);  in parse_addr_filter()
2707 		new_filter = addr_filter__to_str(filt);  in parse_addr_filter()