2164 static void addr_filter__free_str(struct addr_filter *filt)  in addr_filter__free_str()  argument
2166 	zfree(&filt->str);  in addr_filter__free_str()
2167 	filt->action   = NULL;  in addr_filter__free_str()
2168 	filt->sym_from = NULL;  in addr_filter__free_str()
2169 	filt->sym_to   = NULL;  in addr_filter__free_str()
2170 	filt->filename = NULL;  in addr_filter__free_str()
2175 	struct addr_filter *filt = zalloc(sizeof(*filt));  in addr_filter__new()  local
2177 	if (filt)  in addr_filter__new()
2178 		INIT_LIST_HEAD(&filt->list);  in addr_filter__new()
2180 	return filt;  in addr_filter__new()
2183 static void addr_filter__free(struct addr_filter *filt)  in addr_filter__free()  argument
2185 	if (filt)  in addr_filter__free()
2186 		addr_filter__free_str(filt);  in addr_filter__free()
2187 	free(filt);  in addr_filter__free()
2191 			      struct addr_filter *filt)  in addr_filters__add()  argument
2193 	list_add_tail(&filt->list, &filts->head);  in addr_filters__add()
2198 			      struct addr_filter *filt)  in addr_filters__del()  argument
2200 	list_del_init(&filt->list);  in addr_filters__del()
2212 	struct addr_filter *filt, *n;  in addr_filters__exit()  local
2214 	list_for_each_entry_safe(filt, n, &filts->head, list) {  in addr_filters__exit()
2215 		addr_filters__del(filts, filt);  in addr_filters__exit()
2216 		addr_filter__free(filt);  in addr_filters__exit()
2256 static int parse_action(struct addr_filter *filt)  in parse_action()  argument
2258 	if (!strcmp(filt->action, "filter")) {  in parse_action()
2259 		filt->start = true;  in parse_action()
2260 		filt->range = true;  in parse_action()
2261 	} else if (!strcmp(filt->action, "start")) {  in parse_action()
2262 		filt->start = true;  in parse_action()
2263 	} else if (!strcmp(filt->action, "stop")) {  in parse_action()
2264 		filt->start = false;  in parse_action()
2265 	} else if (!strcmp(filt->action, "tracestop")) {  in parse_action()
2266 		filt->start = false;  in parse_action()
2267 		filt->range = true;  in parse_action()
2268 		filt->action += 5; /* Change 'tracestop' to 'stop' */  in parse_action()
2316 static int parse_one_filter(struct addr_filter *filt, const char **filter_inp)  in parse_one_filter()  argument
2321 	filt->str = fstr = strdup(*filter_inp);  in parse_one_filter()
2325 	err = parse_num_or_str(&fstr, NULL, &filt->action, " ");  in parse_one_filter()
2329 	err = parse_action(filt);  in parse_one_filter()
2333 	err = parse_addr_size(&fstr, &filt->addr, &filt->sym_from,  in parse_one_filter()
2334 			      &filt->sym_from_idx);  in parse_one_filter()
2342 		err = parse_addr_size(&fstr, &filt->size, &filt->sym_to,  in parse_one_filter()
2343 				      &filt->sym_to_idx);  in parse_one_filter()
2346 		filt->range = true;  in parse_one_filter()
2353 		err = parse_num_or_str(&fstr, NULL, &filt->filename, " ,");  in parse_one_filter()
2360 	*filter_inp += fstr - filt->str;  in parse_one_filter()
2365 	addr_filter__free_str(filt);  in parse_one_filter()
2373 	struct addr_filter *filt;  in addr_filters__parse_bare_filter()  local
2378 		filt = addr_filter__new();  in addr_filters__parse_bare_filter()
2379 		err = parse_one_filter(filt, &fstr);  in addr_filters__parse_bare_filter()
2381 			addr_filter__free(filt);  in addr_filters__parse_bare_filter()
2385 		addr_filters__add(filts, filt);  in addr_filters__parse_bare_filter()
2536 static int addr_filter__entire_kernel(struct addr_filter *filt)  in addr_filter__entire_kernel()  argument
2547 	filt->addr = args.start;  in addr_filter__entire_kernel()
2548 	filt->size = args.size;  in addr_filter__entire_kernel()
2553 static int check_end_after_start(struct addr_filter *filt, u64 start, u64 size)  in check_end_after_start()  argument
2555 	if (start + size >= filt->addr)  in check_end_after_start()
2558 	if (filt->sym_from) {  in check_end_after_start()
2560 		       filt->sym_to, start, filt->sym_from, filt->addr);  in check_end_after_start()
2563 		       filt->sym_to, start, filt->addr);  in check_end_after_start()
2569 static int addr_filter__resolve_kernel_syms(struct addr_filter *filt)  in addr_filter__resolve_kernel_syms()  argument
2580 	if (filt->sym_from && !strcmp(filt->sym_from, "*"))  in addr_filter__resolve_kernel_syms()
2581 		return addr_filter__entire_kernel(filt);  in addr_filter__resolve_kernel_syms()
2583 	if (filt->sym_from) {  in addr_filter__resolve_kernel_syms()
2584 		err = find_kern_sym(filt->sym_from, &start, &size,  in addr_filter__resolve_kernel_syms()
2585 				    filt->sym_from_idx);  in addr_filter__resolve_kernel_syms()
2588 		filt->addr = start;  in addr_filter__resolve_kernel_syms()
2589 		if (filt->range && !filt->size && !filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2590 			filt->size = size;  in addr_filter__resolve_kernel_syms()
2595 	if (filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2596 		err = find_kern_sym(filt->sym_to, &start, &size,  in addr_filter__resolve_kernel_syms()
2597 				    filt->sym_to_idx);  in addr_filter__resolve_kernel_syms()
2601 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_kernel_syms()
2604 		filt->size = start + size - filt->addr;  in addr_filter__resolve_kernel_syms()
2611 		       filt->sym_to ? filt->sym_to : filt->sym_from);  in addr_filter__resolve_kernel_syms()
2710 static int addr_filter__entire_dso(struct addr_filter *filt, struct dso *dso)  in addr_filter__entire_dso()  argument
2714 		       filt->filename);  in addr_filter__entire_dso()
2718 	filt->addr = 0;  in addr_filter__entire_dso()
2719 	filt->size = dso__data(dso)->file_size;  in addr_filter__entire_dso()
2724 static int addr_filter__resolve_syms(struct addr_filter *filt)  in addr_filter__resolve_syms()  argument
2730 	if (!filt->sym_from && !filt->sym_to)  in addr_filter__resolve_syms()
2733 	if (!filt->filename)  in addr_filter__resolve_syms()
2734 		return addr_filter__resolve_kernel_syms(filt);  in addr_filter__resolve_syms()
2736 	dso = load_dso(filt->filename);  in addr_filter__resolve_syms()
2738 		pr_err("Failed to load symbols from: %s\n", filt->filename);  in addr_filter__resolve_syms()
2742 	if (filt->sym_from && !strcmp(filt->sym_from, "*")) {  in addr_filter__resolve_syms()
2743 		err = addr_filter__entire_dso(filt, dso);  in addr_filter__resolve_syms()
2747 	if (filt->sym_from) {  in addr_filter__resolve_syms()
2748 		err = find_dso_sym(dso, filt->sym_from, &start, &size,  in addr_filter__resolve_syms()
2749 				   filt->sym_from_idx);  in addr_filter__resolve_syms()
2752 		filt->addr = start;  in addr_filter__resolve_syms()
2753 		if (filt->range && !filt->size && !filt->sym_to)  in addr_filter__resolve_syms()
2754 			filt->size = size;  in addr_filter__resolve_syms()
2757 	if (filt->sym_to) {  in addr_filter__resolve_syms()
2758 		err = find_dso_sym(dso, filt->sym_to, &start, &size,  in addr_filter__resolve_syms()
2759 				   filt->sym_to_idx);  in addr_filter__resolve_syms()
2763 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_syms()
2767 		filt->size = start + size - filt->addr;  in addr_filter__resolve_syms()
2776 static char *addr_filter__to_str(struct addr_filter *filt)  in addr_filter__to_str()  argument
2784 	if (filt->filename) {  in addr_filter__to_str()
2786 		fn = realpath(filt->filename, filename_buf);  in addr_filter__to_str()
2791 	if (filt->range) {  in addr_filter__to_str()
2793 			       filt->action, filt->addr, filt->size, at, fn);  in addr_filter__to_str()
2796 			       filt->action, filt->addr, at, fn);  in addr_filter__to_str()
2806 	struct addr_filter *filt;  in parse_addr_filter()  local
2822 	list_for_each_entry(filt, &filts.head, list) {  in parse_addr_filter()
2825 		err = addr_filter__resolve_syms(filt);  in parse_addr_filter()
2829 		new_filter = addr_filter__to_str(filt);  in parse_addr_filter()