1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
 4 */
 5
 6/*
 7 * objtool orc:
 8 *
 9 * This command analyzes a .o file and adds .orc_unwind and .orc_unwind_ip
10 * sections to it, which is used by the in-kernel ORC unwinder.
11 *
12 * This command is a superset of "objtool check".
13 */
14
15#include <string.h>
16#include "builtin.h"
17#include "check.h"
18
19
20static const char *orc_usage[] = {
21	"objtool orc generate [<options>] file.o",
22	"objtool orc dump file.o",
23	NULL,
24};
25
26int cmd_orc(int argc, const char **argv)
27{
28	const char *objname;
29
30	argc--; argv++;
31	if (argc <= 0)
32		usage_with_options(orc_usage, check_options);
33
34	if (!strncmp(argv[0], "gen", 3)) {
35		argc = parse_options(argc, argv, check_options, orc_usage, 0);
36		if (argc != 1)
37			usage_with_options(orc_usage, check_options);
38
39		objname = argv[0];
40
41		return check(objname, true);
42	}
43
44	if (!strcmp(argv[0], "dump")) {
45		if (argc != 2)
46			usage_with_options(orc_usage, check_options);
47
48		objname = argv[1];
49
50		return orc_dump(objname);
51	}
52
53	usage_with_options(orc_usage, check_options);
54
55	return 0;
56}