69 строки
1.7 KiB
C
69 строки
1.7 KiB
C
/*
|
|
* Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/*
|
|
* objtool orc:
|
|
*
|
|
* This command analyzes a .o file and adds .orc_unwind and .orc_unwind_ip
|
|
* sections to it, which is used by the in-kernel ORC unwinder.
|
|
*
|
|
* This command is a superset of "objtool check".
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include "builtin.h"
|
|
#include "check.h"
|
|
|
|
|
|
static const char *orc_usage[] = {
|
|
"objtool orc generate [<options>] file.o",
|
|
"objtool orc dump file.o",
|
|
NULL,
|
|
};
|
|
|
|
int cmd_orc(int argc, const char **argv)
|
|
{
|
|
const char *objname;
|
|
|
|
argc--; argv++;
|
|
if (argc <= 0)
|
|
usage_with_options(orc_usage, check_options);
|
|
|
|
if (!strncmp(argv[0], "gen", 3)) {
|
|
argc = parse_options(argc, argv, check_options, orc_usage, 0);
|
|
if (argc != 1)
|
|
usage_with_options(orc_usage, check_options);
|
|
|
|
objname = argv[0];
|
|
|
|
return check(objname, true);
|
|
}
|
|
|
|
if (!strcmp(argv[0], "dump")) {
|
|
if (argc != 2)
|
|
usage_with_options(orc_usage, check_options);
|
|
|
|
objname = argv[1];
|
|
|
|
return orc_dump(objname);
|
|
}
|
|
|
|
usage_with_options(orc_usage, check_options);
|
|
|
|
return 0;
|
|
}
|