linux/tools/objtool/builtin-klp.c

54 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
#include <subcmd/parse-options.h>
#include <string.h>
#include <stdlib.h>
#include <objtool/builtin.h>
#include <objtool/objtool.h>
#include <objtool/klp.h>
struct subcmd {
const char *name;
const char *description;
int (*fn)(int, const char **);
};
static struct subcmd subcmds[] = {
{ "diff", "Generate binary diff of two object files", cmd_klp_diff, },
{ "post-link", "Finalize klp symbols/relocs after module linking", cmd_klp_post_link, },
};
static void cmd_klp_usage(void)
{
fprintf(stderr, "usage: objtool klp <subcommand> [<options>]\n\n");
fprintf(stderr, "Subcommands:\n");
for (int i = 0; i < ARRAY_SIZE(subcmds); i++) {
struct subcmd *cmd = &subcmds[i];
fprintf(stderr, " %s\t%s\n", cmd->name, cmd->description);
}
exit(1);
}
int cmd_klp(int argc, const char **argv)
{
argc--;
argv++;
if (!argc)
cmd_klp_usage();
if (argc) {
for (int i = 0; i < ARRAY_SIZE(subcmds); i++) {
struct subcmd *cmd = &subcmds[i];
if (!strcmp(cmd->name, argv[0]))
return cmd->fn(argc, argv);
}
}
cmd_klp_usage();
return 0;
}