builtin-script.c

		free(__argv);
		exit(-1);
	}

	if (symbol__init() < 0)
		return -1;
	if (!script_name)
		setup_pager();

	session = perf_session__new(input_name, O_RDONLY, 0, false, &event_ops);
	if (session == NULL)
		return -ENOMEM;

	if (!no_callchain)
		symbol_conf.use_callchain = true;
	else
		symbol_conf.use_callchain = false;

	if (generate_script_lang) {
		struct stat perf_stat;
		int input;

		if (output_set_by_user) {
			fprintf(stderr,
				"custom fields not supported for generated scripts");
			return -1;
		}

		input = open(input_name, O_RDONLY);
		if (input < 0) {
			perror("failed to open file");
			exit(-1);
		}

		err = fstat(input, &perf_stat);
		if (err < 0) {
			perror("failed to stat file");
			exit(-1);
		}

		if (!perf_stat.st_size) {
			fprintf(stderr, "zero-sized file, nothing to do!\n");
			exit(0);
		}

		scripting_ops = script_spec__lookup(generate_script_lang);
		if (!scripting_ops) {
			fprintf(stderr, "invalid language specifier");
			return -1;
		}

		err = scripting_ops->generate_script("perf-script");
		goto out;
	}

	if (script_name) {
		err = scripting_ops->start_script(script_name, argc, argv);
		if (err)
			goto out;
		pr_debug("perf script started with script %s\n\n", script_name);
	}

	err = __cmd_script(session);

	perf_session__delete(session);
	cleanup_scripting();
out:
	return err;
}