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627fce14 JP |
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 <subcmd/parse-options.h> | |
29 | #include "builtin.h" | |
30 | #include "check.h" | |
31 | ||
32 | ||
33 | static const char *orc_usage[] = { | |
34 | "objtool orc generate [<options>] file.o", | |
35 | "objtool orc dump file.o", | |
36 | NULL, | |
37 | }; | |
38 | ||
39 | extern const struct option check_options[]; | |
867ac9d7 | 40 | extern bool no_fp, no_unreachable; |
627fce14 JP |
41 | |
42 | int cmd_orc(int argc, const char **argv) | |
43 | { | |
44 | const char *objname; | |
45 | ||
46 | argc--; argv++; | |
d89e4264 SS |
47 | if (argc <= 0) |
48 | usage_with_options(orc_usage, check_options); | |
49 | ||
627fce14 JP |
50 | if (!strncmp(argv[0], "gen", 3)) { |
51 | argc = parse_options(argc, argv, check_options, orc_usage, 0); | |
52 | if (argc != 1) | |
53 | usage_with_options(orc_usage, check_options); | |
54 | ||
55 | objname = argv[0]; | |
56 | ||
867ac9d7 | 57 | return check(objname, no_fp, no_unreachable, true); |
627fce14 JP |
58 | } |
59 | ||
60 | if (!strcmp(argv[0], "dump")) { | |
61 | if (argc != 2) | |
62 | usage_with_options(orc_usage, check_options); | |
63 | ||
64 | objname = argv[1]; | |
65 | ||
66 | return orc_dump(objname); | |
67 | } | |
68 | ||
69 | usage_with_options(orc_usage, check_options); | |
70 | ||
71 | return 0; | |
72 | } |