1181 static int calc_pt_regs_off(const char *reg_name)  in calc_pt_regs_off()  argument
1217 			if (strcmp(reg_name, reg_map[i].names[j]) == 0)  in calc_pt_regs_off()
1222 	pr_warn("usdt: unrecognized register '%s'\n", reg_name);  in calc_pt_regs_off()
1228 	char *reg_name = NULL;  in parse_usdt_arg()  local
1232 	if (sscanf(arg_str, " %d @ %ld ( %%%m[^)] ) %n", &arg_sz, &off, &reg_name, &len) == 3) {  in parse_usdt_arg()
1236 		reg_off = calc_pt_regs_off(reg_name);  in parse_usdt_arg()
1237 		free(reg_name);  in parse_usdt_arg()
1241 	} else if (sscanf(arg_str, " %d @ %%%ms %n", &arg_sz, &reg_name, &len) == 2) {  in parse_usdt_arg()
1246 		reg_off = calc_pt_regs_off(reg_name);  in parse_usdt_arg()
1247 		free(reg_name);  in parse_usdt_arg()
1335 static int calc_pt_regs_off(const char *reg_name)  in calc_pt_regs_off()  argument
1339 	if (sscanf(reg_name, "x%d", &reg_num) == 1) {  in calc_pt_regs_off()
1342 	} else if (strcmp(reg_name, "sp") == 0) {  in calc_pt_regs_off()
1345 	pr_warn("usdt: unrecognized register '%s'\n", reg_name);  in calc_pt_regs_off()
1351 	char *reg_name = NULL;  in parse_usdt_arg()  local
1355 	if (sscanf(arg_str, " %d @ \[ %m[a-z0-9], %ld ] %n", &arg_sz, &reg_name, &off, &len) == 3) {  in parse_usdt_arg()
1359 		reg_off = calc_pt_regs_off(reg_name);  in parse_usdt_arg()
1360 		free(reg_name);  in parse_usdt_arg()
1364 	} else if (sscanf(arg_str, " %d @ \[ %m[a-z0-9] ] %n", &arg_sz, &reg_name, &len) == 2) {  in parse_usdt_arg()
1368 		reg_off = calc_pt_regs_off(reg_name);  in parse_usdt_arg()
1369 		free(reg_name);  in parse_usdt_arg()
1378 	} else if (sscanf(arg_str, " %d @ %m[a-z0-9] %n", &arg_sz, &reg_name, &len) == 2) {  in parse_usdt_arg()
1382 		reg_off = calc_pt_regs_off(reg_name);  in parse_usdt_arg()
1383 		free(reg_name);  in parse_usdt_arg()
1411 static int calc_pt_regs_off(const char *reg_name)  in calc_pt_regs_off()  argument
1452 		if (strcmp(reg_name, reg_map[i].name) == 0)  in calc_pt_regs_off()
1456 	pr_warn("usdt: unrecognized register '%s'\n", reg_name);  in calc_pt_regs_off()
1462 	char *reg_name = NULL;  in parse_usdt_arg()  local
1466 	if (sscanf(arg_str, " %d @ %ld ( %m[a-z0-9] ) %n", &arg_sz, &off, &reg_name, &len) == 3) {  in parse_usdt_arg()
1470 		reg_off = calc_pt_regs_off(reg_name);  in parse_usdt_arg()
1471 		free(reg_name);  in parse_usdt_arg()
1480 	} else if (sscanf(arg_str, " %d @ %m[a-z0-9] %n", &arg_sz, &reg_name, &len) == 2) {  in parse_usdt_arg()
1484 		reg_off = calc_pt_regs_off(reg_name);  in parse_usdt_arg()
1485 		free(reg_name);  in parse_usdt_arg()