Contributors: 3
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Josh Poimboeuf |
126 |
68.48% |
5 |
50.00% |
| Peter Zijlstra |
56 |
30.43% |
4 |
40.00% |
| Thomas Gleixner |
2 |
1.09% |
1 |
10.00% |
| Total |
184 |
|
10 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2015-2017 Josh Poimboeuf <jpoimboe@redhat.com>
*/
/*
* objtool check:
*
* This command analyzes every .o file and ensures the validity of its stack
* trace metadata. It enforces a set of rules on asm code and C inline
* assembly code so that stack traces can be reliable.
*
* For more information, see tools/objtool/Documentation/stack-validation.txt.
*/
#include <subcmd/parse-options.h>
#include "builtin.h"
#include "check.h"
bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess;
static const char * const check_usage[] = {
"objtool check [<options>] file.o",
NULL,
};
const struct option check_options[] = {
OPT_BOOLEAN('f', "no-fp", &no_fp, "Skip frame pointer validation"),
OPT_BOOLEAN('u', "no-unreachable", &no_unreachable, "Skip 'unreachable instruction' warnings"),
OPT_BOOLEAN('r', "retpoline", &retpoline, "Validate retpoline assumptions"),
OPT_BOOLEAN('m', "module", &module, "Indicates the object will be part of a kernel module"),
OPT_BOOLEAN('b', "backtrace", &backtrace, "unwind on error"),
OPT_BOOLEAN('a', "uaccess", &uaccess, "enable uaccess checking"),
OPT_END(),
};
int cmd_check(int argc, const char **argv)
{
const char *objname;
argc = parse_options(argc, argv, check_options, check_usage, 0);
if (argc != 1)
usage_with_options(check_usage, check_options);
objname = argv[0];
return check(objname, false);
}