Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0-or-later
2#include <subcmd/parse-options.h>
3#include <string.h>
4#include <stdlib.h>
5#include <objtool/builtin.h>
6#include <objtool/objtool.h>
7#include <objtool/klp.h>
8
9struct subcmd {
10 const char *name;
11 const char *description;
12 int (*fn)(int, const char **);
13};
14
15static struct subcmd subcmds[] = {
16 { "diff", "Generate binary diff of two object files", cmd_klp_diff, },
17 { "post-link", "Finalize klp symbols/relocs after module linking", cmd_klp_post_link, },
18};
19
20static void cmd_klp_usage(void)
21{
22 fprintf(stderr, "usage: objtool klp <subcommand> [<options>]\n\n");
23 fprintf(stderr, "Subcommands:\n");
24
25 for (int i = 0; i < ARRAY_SIZE(subcmds); i++) {
26 struct subcmd *cmd = &subcmds[i];
27
28 fprintf(stderr, " %s\t%s\n", cmd->name, cmd->description);
29 }
30
31 exit(1);
32}
33
34int cmd_klp(int argc, const char **argv)
35{
36 argc--;
37 argv++;
38
39 if (!argc)
40 cmd_klp_usage();
41
42 if (argc) {
43 for (int i = 0; i < ARRAY_SIZE(subcmds); i++) {
44 struct subcmd *cmd = &subcmds[i];
45
46 if (!strcmp(cmd->name, argv[0]))
47 return cmd->fn(argc, argv);
48 }
49 }
50
51 cmd_klp_usage();
52 return 0;
53}