Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Josh Poimboeuf |
156 |
61.90% |
2 |
28.57% |
| Julien Thierry |
79 |
31.35% |
2 |
28.57% |
| Simon Ser |
13 |
5.16% |
1 |
14.29% |
| Vasily Gorbik |
2 |
0.79% |
1 |
14.29% |
| Thomas Gleixner |
2 |
0.79% |
1 |
14.29% |
| Total |
252 |
|
7 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
*/
/*
* 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 <objtool/builtin.h>
#include <objtool/objtool.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)) {
struct objtool_file *file;
int ret;
argc = parse_options(argc, argv, check_options, orc_usage, 0);
if (argc != 1)
usage_with_options(orc_usage, check_options);
objname = argv[0];
file = objtool_open_read(objname);
if (!file)
return 1;
ret = check(file);
if (ret)
return ret;
if (list_empty(&file->insn_list))
return 0;
ret = orc_create(file);
if (ret)
return ret;
if (!file->elf->changed)
return 0;
return elf_write(file->elf);
}
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;
}