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 "objtool.h"
18
19static const char *orc_usage[] = {
20	"objtool orc generate [<options>] file.o",
21	"objtool orc dump file.o",
22	NULL,
23};
24
25int cmd_orc(int argc, const char **argv)
26{
27	const char *objname;
28
29	argc--; argv++;
30	if (argc <= 0)
31		usage_with_options(orc_usage, check_options);
32
33	if (!strncmp(argv[0], "gen", 3)) {
34		argc = parse_options(argc, argv, check_options, orc_usage, 0);
35		if (argc != 1)
36			usage_with_options(orc_usage, check_options);
37
38		objname = argv[0];
39
40		return check(objname, true);
41	}
42
43	if (!strcmp(argv[0], "dump")) {
44		if (argc != 2)
45			usage_with_options(orc_usage, check_options);
46
47		objname = argv[1];
48
49		return orc_dump(objname);
50	}
51
52	usage_with_options(orc_usage, check_options);
53
54	return 0;
55}