1/*
 2 * Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
 3 *
 4 * This program is free software; you can redistribute it and/or
 5 * modify it under the terms of the GNU General Public License
 6 * as published by the Free Software Foundation; either version 2
 7 * of the License, or (at your option) any later version.
 8 *
 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18/*
19 * objtool orc:
20 *
21 * This command analyzes a .o file and adds .orc_unwind and .orc_unwind_ip
22 * sections to it, which is used by the in-kernel ORC unwinder.
23 *
24 * This command is a superset of "objtool check".
25 */
26
27#include <string.h>
28#include "builtin.h"
29#include "check.h"
30
31
32static const char *orc_usage[] = {
33	"objtool orc generate [<options>] file.o",
34	"objtool orc dump file.o",
35	NULL,
36};
37
38int cmd_orc(int argc, const char **argv)
39{
40	const char *objname;
41
42	argc--; argv++;
43	if (argc <= 0)
44		usage_with_options(orc_usage, check_options);
45
46	if (!strncmp(argv[0], "gen", 3)) {
47		argc = parse_options(argc, argv, check_options, orc_usage, 0);
48		if (argc != 1)
49			usage_with_options(orc_usage, check_options);
50
51		objname = argv[0];
52
53		return check(objname, true);
54	}
55
56	if (!strcmp(argv[0], "dump")) {
57		if (argc != 2)
58			usage_with_options(orc_usage, check_options);
59
60		objname = argv[1];
61
62		return orc_dump(objname);
63	}
64
65	usage_with_options(orc_usage, check_options);
66
67	return 0;
68}