1444 static void addr_filter__free_str(struct addr_filter *filt)  in addr_filter__free_str()  argument
1446 	free(filt->str);  in addr_filter__free_str()
1447 	filt->action   = NULL;  in addr_filter__free_str()
1448 	filt->sym_from = NULL;  in addr_filter__free_str()
1449 	filt->sym_to   = NULL;  in addr_filter__free_str()
1450 	filt->filename = NULL;  in addr_filter__free_str()
1451 	filt->str      = NULL;  in addr_filter__free_str()
1456 	struct addr_filter *filt = zalloc(sizeof(*filt));  in addr_filter__new()  local
1458 	if (filt)  in addr_filter__new()
1459 		INIT_LIST_HEAD(&filt->list);  in addr_filter__new()
1461 	return filt;  in addr_filter__new()
1464 static void addr_filter__free(struct addr_filter *filt)  in addr_filter__free()  argument
1466 	if (filt)  in addr_filter__free()
1467 		addr_filter__free_str(filt);  in addr_filter__free()
1468 	free(filt);  in addr_filter__free()
1472 			      struct addr_filter *filt)  in addr_filters__add()  argument
1474 	list_add_tail(&filt->list, &filts->head);  in addr_filters__add()
1479 			      struct addr_filter *filt)  in addr_filters__del()  argument
1481 	list_del_init(&filt->list);  in addr_filters__del()
1493 	struct addr_filter *filt, *n;  in addr_filters__exit()  local
1495 	list_for_each_entry_safe(filt, n, &filts->head, list) {  in addr_filters__exit()
1496 		addr_filters__del(filts, filt);  in addr_filters__exit()
1497 		addr_filter__free(filt);  in addr_filters__exit()
1537 static int parse_action(struct addr_filter *filt)  in parse_action()  argument
1539 	if (!strcmp(filt->action, "filter")) {  in parse_action()
1540 		filt->start = true;  in parse_action()
1541 		filt->range = true;  in parse_action()
1542 	} else if (!strcmp(filt->action, "start")) {  in parse_action()
1543 		filt->start = true;  in parse_action()
1544 	} else if (!strcmp(filt->action, "stop")) {  in parse_action()
1545 		filt->start = false;  in parse_action()
1546 	} else if (!strcmp(filt->action, "tracestop")) {  in parse_action()
1547 		filt->start = false;  in parse_action()
1548 		filt->range = true;  in parse_action()
1549 		filt->action += 5; /* Change 'tracestop' to 'stop' */  in parse_action()
1597 static int parse_one_filter(struct addr_filter *filt, const char **filter_inp)  in parse_one_filter()  argument
1602 	filt->str = fstr = strdup(*filter_inp);  in parse_one_filter()
1606 	err = parse_num_or_str(&fstr, NULL, &filt->action, " ");  in parse_one_filter()
1610 	err = parse_action(filt);  in parse_one_filter()
1614 	err = parse_addr_size(&fstr, &filt->addr, &filt->sym_from,  in parse_one_filter()
1615 			      &filt->sym_from_idx);  in parse_one_filter()
1623 		err = parse_addr_size(&fstr, &filt->size, &filt->sym_to,  in parse_one_filter()
1624 				      &filt->sym_to_idx);  in parse_one_filter()
1627 		filt->range = true;  in parse_one_filter()
1634 		err = parse_num_or_str(&fstr, NULL, &filt->filename, " ,");  in parse_one_filter()
1641 	*filter_inp += fstr - filt->str;  in parse_one_filter()
1646 	addr_filter__free_str(filt);  in parse_one_filter()
1654 	struct addr_filter *filt;  in addr_filters__parse_bare_filter()  local
1659 		filt = addr_filter__new();  in addr_filters__parse_bare_filter()
1660 		err = parse_one_filter(filt, &fstr);  in addr_filters__parse_bare_filter()
1662 			addr_filter__free(filt);  in addr_filters__parse_bare_filter()
1666 		addr_filters__add(filts, filt);  in addr_filters__parse_bare_filter()
1806 static int addr_filter__entire_kernel(struct addr_filter *filt)  in addr_filter__entire_kernel()  argument
1817 	filt->addr = args.start;  in addr_filter__entire_kernel()
1818 	filt->size = args.size;  in addr_filter__entire_kernel()
1823 static int check_end_after_start(struct addr_filter *filt, u64 start, u64 size)  in check_end_after_start()  argument
1825 	if (start + size >= filt->addr)  in check_end_after_start()
1828 	if (filt->sym_from) {  in check_end_after_start()
1830 		       filt->sym_to, start, filt->sym_from, filt->addr);  in check_end_after_start()
1833 		       filt->sym_to, start, filt->addr);  in check_end_after_start()
1839 static int addr_filter__resolve_kernel_syms(struct addr_filter *filt)  in addr_filter__resolve_kernel_syms()  argument
1850 	if (filt->sym_from && !strcmp(filt->sym_from, "*"))  in addr_filter__resolve_kernel_syms()
1851 		return addr_filter__entire_kernel(filt);  in addr_filter__resolve_kernel_syms()
1853 	if (filt->sym_from) {  in addr_filter__resolve_kernel_syms()
1854 		err = find_kern_sym(filt->sym_from, &start, &size,  in addr_filter__resolve_kernel_syms()
1855 				    filt->sym_from_idx);  in addr_filter__resolve_kernel_syms()
1858 		filt->addr = start;  in addr_filter__resolve_kernel_syms()
1859 		if (filt->range && !filt->size && !filt->sym_to) {  in addr_filter__resolve_kernel_syms()
1860 			filt->size = size;  in addr_filter__resolve_kernel_syms()
1865 	if (filt->sym_to) {  in addr_filter__resolve_kernel_syms()
1866 		err = find_kern_sym(filt->sym_to, &start, &size,  in addr_filter__resolve_kernel_syms()
1867 				    filt->sym_to_idx);  in addr_filter__resolve_kernel_syms()
1871 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_kernel_syms()
1874 		filt->size = start + size - filt->addr;  in addr_filter__resolve_kernel_syms()
1881 		       filt->sym_to ? filt->sym_to : filt->sym_from);  in addr_filter__resolve_kernel_syms()
1979 static int addr_filter__entire_dso(struct addr_filter *filt, struct dso *dso)  in addr_filter__entire_dso()  argument
1986 		       filt->filename);  in addr_filter__entire_dso()
1990 	filt->addr = first_sym->start;  in addr_filter__entire_dso()
1991 	filt->size = last_sym->end - first_sym->start;  in addr_filter__entire_dso()
1996 static int addr_filter__resolve_syms(struct addr_filter *filt)  in addr_filter__resolve_syms()  argument
2002 	if (!filt->sym_from && !filt->sym_to)  in addr_filter__resolve_syms()
2005 	if (!filt->filename)  in addr_filter__resolve_syms()
2006 		return addr_filter__resolve_kernel_syms(filt);  in addr_filter__resolve_syms()
2008 	dso = load_dso(filt->filename);  in addr_filter__resolve_syms()
2010 		pr_err("Failed to load symbols from: %s\n", filt->filename);  in addr_filter__resolve_syms()
2014 	if (filt->sym_from && !strcmp(filt->sym_from, "*")) {  in addr_filter__resolve_syms()
2015 		err = addr_filter__entire_dso(filt, dso);  in addr_filter__resolve_syms()
2019 	if (filt->sym_from) {  in addr_filter__resolve_syms()
2020 		err = find_dso_sym(dso, filt->sym_from, &start, &size,  in addr_filter__resolve_syms()
2021 				   filt->sym_from_idx);  in addr_filter__resolve_syms()
2024 		filt->addr = start;  in addr_filter__resolve_syms()
2025 		if (filt->range && !filt->size && !filt->sym_to)  in addr_filter__resolve_syms()
2026 			filt->size = size;  in addr_filter__resolve_syms()
2029 	if (filt->sym_to) {  in addr_filter__resolve_syms()
2030 		err = find_dso_sym(dso, filt->sym_to, &start, &size,  in addr_filter__resolve_syms()
2031 				   filt->sym_to_idx);  in addr_filter__resolve_syms()
2035 		err = check_end_after_start(filt, start, size);  in addr_filter__resolve_syms()
2039 		filt->size = start + size - filt->addr;  in addr_filter__resolve_syms()
2048 static char *addr_filter__to_str(struct addr_filter *filt)  in addr_filter__to_str()  argument
2056 	if (filt->filename) {  in addr_filter__to_str()
2058 		fn = realpath(filt->filename, filename_buf);  in addr_filter__to_str()
2063 	if (filt->range) {  in addr_filter__to_str()
2065 			       filt->action, filt->addr, filt->size, at, fn);  in addr_filter__to_str()
2068 			       filt->action, filt->addr, at, fn);  in addr_filter__to_str()
2078 	struct addr_filter *filt;  in parse_addr_filter()  local
2094 	list_for_each_entry(filt, &filts.head, list) {  in parse_addr_filter()
2097 		err = addr_filter__resolve_syms(filt);  in parse_addr_filter()
2101 		new_filter = addr_filter__to_str(filt);  in parse_addr_filter()