2088 static void addr_filter__free_str(struct addr_filter *filt)  in addr_filter__free_str()  argument
2090 	zfree(&filt->str);  in addr_filter__free_str()
2091 	filt->action   = NULL;  in addr_filter__free_str()
2092 	filt->sym_from = NULL;  in addr_filter__free_str()
2093 	filt->sym_to   = NULL;  in addr_filter__free_str()
2094 	filt->filename = NULL;  in addr_filter__free_str()
2099 	struct addr_filter *filt = zalloc(sizeof(*filt));  in addr_filter__new()  local
2101 	if (filt)  in addr_filter__new()
2102 		INIT_LIST_HEAD(&filt->list);  in addr_filter__new()
2104 	return filt;  in addr_filter__new()
2107 static void addr_filter__free(struct addr_filter *filt)  in addr_filter__free()  argument
2109 	if (filt)  in addr_filter__free()
2110 		addr_filter__free_str(filt);  in addr_filter__free()
2111 	free(filt);  in addr_filter__free()
2115 			      struct addr_filter *filt)  in addr_filters__add()  argument
2117 	list_add_tail(&filt->list, &filts->head);  in addr_filters__add()
2122 			      struct addr_filter *filt)  in addr_filters__del()  argument
2124 	list_del_init(&filt->list);  in addr_filters__del()
2136 	struct addr_filter *filt, *n;  in addr_filters__exit()  local
2138 	list_for_each_entry_safe(filt, n, &filts->head, list) {  in addr_filters__exit()
2139 		addr_filters__del(filts, filt);  in addr_filters__exit()
2140 		addr_filter__free(filt);  in addr_filters__exit()
2180 static int parse_action(struct addr_filter *filt)  in parse_action()  argument
2182 	if (!strcmp(filt->action, "filter")) {  in parse_action()
2183 		filt->start = true;  in parse_action()
2184 		filt->range = true;  in parse_action()
2185 	} else if (!strcmp(filt->action, "start")) {  in parse_action()
2186 		filt->start = true;  in parse_action()
2187 	} else if (!strcmp(filt->action, "stop")) {  in parse_action()
2188 		filt->start = false;  in parse_action()
2189 	} else if (!strcmp(filt->action, "tracestop")) {  in parse_action()
2190 		filt->start = false;  in parse_action()
2191 		filt->range = true;  in parse_action()
2192 		filt->action += 5; /* Change 'tracestop' to 'stop' */  in parse_action()
2240 static int parse_one_filter(struct addr_filter *filt, const char **filter_inp)  in parse_one_filter()  argument
2245 	filt->str = fstr = strdup(*filter_inp);  in parse_one_filter()
2249 	err = parse_num_or_str(&fstr, NULL, &filt->action, " ");  in parse_one_filter()
2253 	err = parse_action(filt);  in parse_one_filter()
2257 	err = parse_addr_size(&fstr, &filt->addr, &filt->sym_from,  in parse_one_filter()
2258 			      &filt->sym_from_idx);  in parse_one_filter()
2266 		err = parse_addr_size(&fstr, &filt->size, &filt->sym_to,  in parse_one_filter()
2267 				      &filt->sym_to_idx);  in parse_one_filter()
2270 		filt->range = true;  in parse_one_filter()
2277 		err = parse_num_or_str(&fstr, NULL, &filt->filename, " ,");  in parse_one_filter()
2284 	*filter_inp += fstr - filt->str;  in parse_one_filter()
2289 	addr_filter__free_str(filt);  in parse_one_filter()
2297 	struct addr_filter *filt;  in addr_filters__parse_bare_filter()  local
2302 		filt = addr_filter__new();  in addr_filters__parse_bare_filter()
2303 		err = parse_one_filter(filt, &fstr);  in addr_filters__parse_bare_filter()
2305 			addr_filter__free(filt);  in addr_filters__parse_bare_filter()
2309 		addr_filters__add(filts, filt);  in addr_filters__parse_bare_filter()
2457 static int addr_filter__entire_kernel(struct addr_filter *filt)  in addr_filter__entire_kernel()  argument
2468 	filt->addr = args.start;  in addr_filter__entire_kernel()
2469 	filt->size = args.size;  in addr_filter__entire_kernel()
2474 static int check_end_after_start(struct addr_filter *filt, u64 start, u64 size)  in check_end_after_start()  argument
2476 	if (start + size >= filt->addr)  in check_end_after_start()
2479 	if (filt->sym_from) {  in check_end_after_start()
2481 		       filt->sym_to, start, filt->sym_from, filt->addr);  in check_end_after_start()
2484 		       filt->sym_to, start, filt->addr);  in check_end_after_start()
2490 static int addr_filter__resolve_kernel_syms(struct addr_filter *filt)  in addr_filter__resolve_kernel_syms()  argument
2501 	if (filt->sym_from && !strcmp(filt->sym_from, "*"))  in addr_filter__resolve_kernel_syms()
2502 		return addr_filter__entire_kernel(filt);  in addr_filter__resolve_kernel_syms()
2504 	if (filt->sym_from) {  in addr_filter__resolve_kernel_syms()
2505 		err = find_kern_sym(filt->sym_from, &start, &size,  in addr_filter__resolve_kernel_syms()
2506 				    filt->sym_from_idx);  in addr_filter__resolve_kernel_syms()
2509 		filt->addr = start;  in addr_filter__resolve_kernel_syms()
2510 		if (filt->range && !filt->size && !filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2511 			filt->size = size;  in addr_filter__resolve_kernel_syms()
2516 	if (filt->sym_to) {  in addr_filter__resolve_kernel_syms()
2517 		err = find_kern_sym(filt->sym_to, &start, &size,  in addr_filter__resolve_kernel_syms()
2518 				    filt->sym_to_idx);  in addr_filter__resolve_kernel_syms()
2522 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_kernel_syms()
2525 		filt->size = start + size - filt->addr;  in addr_filter__resolve_kernel_syms()
2532 		       filt->sym_to ? filt->sym_to : filt->sym_from);  in addr_filter__resolve_kernel_syms()
2631 static int addr_filter__entire_dso(struct addr_filter *filt, struct dso *dso)  in addr_filter__entire_dso()  argument
2635 		       filt->filename);  in addr_filter__entire_dso()
2639 	filt->addr = 0;  in addr_filter__entire_dso()
2640 	filt->size = dso->data.file_size;  in addr_filter__entire_dso()
2645 static int addr_filter__resolve_syms(struct addr_filter *filt)  in addr_filter__resolve_syms()  argument
2651 	if (!filt->sym_from && !filt->sym_to)  in addr_filter__resolve_syms()
2654 	if (!filt->filename)  in addr_filter__resolve_syms()
2655 		return addr_filter__resolve_kernel_syms(filt);  in addr_filter__resolve_syms()
2657 	dso = load_dso(filt->filename);  in addr_filter__resolve_syms()
2659 		pr_err("Failed to load symbols from: %s\n", filt->filename);  in addr_filter__resolve_syms()
2663 	if (filt->sym_from && !strcmp(filt->sym_from, "*")) {  in addr_filter__resolve_syms()
2664 		err = addr_filter__entire_dso(filt, dso);  in addr_filter__resolve_syms()
2668 	if (filt->sym_from) {  in addr_filter__resolve_syms()
2669 		err = find_dso_sym(dso, filt->sym_from, &start, &size,  in addr_filter__resolve_syms()
2670 				   filt->sym_from_idx);  in addr_filter__resolve_syms()
2673 		filt->addr = start;  in addr_filter__resolve_syms()
2674 		if (filt->range && !filt->size && !filt->sym_to)  in addr_filter__resolve_syms()
2675 			filt->size = size;  in addr_filter__resolve_syms()
2678 	if (filt->sym_to) {  in addr_filter__resolve_syms()
2679 		err = find_dso_sym(dso, filt->sym_to, &start, &size,  in addr_filter__resolve_syms()
2680 				   filt->sym_to_idx);  in addr_filter__resolve_syms()
2684 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_syms()
2688 		filt->size = start + size - filt->addr;  in addr_filter__resolve_syms()
2697 static char *addr_filter__to_str(struct addr_filter *filt)  in addr_filter__to_str()  argument
2705 	if (filt->filename) {  in addr_filter__to_str()
2707 		fn = realpath(filt->filename, filename_buf);  in addr_filter__to_str()
2712 	if (filt->range) {  in addr_filter__to_str()
2714 			       filt->action, filt->addr, filt->size, at, fn);  in addr_filter__to_str()
2717 			       filt->action, filt->addr, at, fn);  in addr_filter__to_str()
2727 	struct addr_filter *filt;  in parse_addr_filter()  local
2743 	list_for_each_entry(filt, &filts.head, list) {  in parse_addr_filter()
2746 		err = addr_filter__resolve_syms(filt);  in parse_addr_filter()
2750 		new_filter = addr_filter__to_str(filt);  in parse_addr_filter()