mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-23 15:32:26 +00:00
82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/* Test program for dwelf_elf_gnu_build_id, print build ID.
|
|
Copyright (C) 2014 Red Hat, Inc.
|
|
This file is part of elfutils.
|
|
|
|
This file 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
elfutils 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/>. */
|
|
|
|
#include <config.h>
|
|
#include <assert.h>
|
|
#include <inttypes.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include ELFUTILS_HEADER(elf)
|
|
#include ELFUTILS_HEADER(dwelf)
|
|
#include <stdio.h>
|
|
#include <error.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
if (argc < 2)
|
|
error (EXIT_FAILURE, 0, "No input file given");
|
|
|
|
elf_version (EV_CURRENT);
|
|
|
|
for (int i = 1; i < argc; i++)
|
|
{
|
|
const char *file = argv[i];
|
|
int fd = open (file, O_RDONLY);
|
|
if (fd < 0)
|
|
error (EXIT_FAILURE, errno, "couldn't open file '%s'", file);
|
|
|
|
Elf *elf = elf_begin (fd, ELF_C_READ, NULL);
|
|
if (elf == NULL)
|
|
{
|
|
printf("%s: elf_begin failed: %s\n", file, elf_errmsg (-1));
|
|
close (fd);
|
|
continue;
|
|
}
|
|
|
|
const void *build_id;
|
|
ssize_t len = dwelf_elf_gnu_build_id (elf, &build_id);
|
|
switch (len)
|
|
{
|
|
case 0:
|
|
printf ("%s: <no NT_GNU_BUILD_ID note>\n", file);
|
|
break;
|
|
case -1:
|
|
errx (1, "dwelf_elf_gnu_build_id (%s): %s",
|
|
file, elf_errmsg (-1));
|
|
default:
|
|
printf ("%s: build ID: ", file);
|
|
const unsigned char *p = build_id;
|
|
const unsigned char *end = p + len;
|
|
while (p < end)
|
|
printf("%02x", (unsigned)*p++);
|
|
putchar('\n');
|
|
}
|
|
|
|
elf_end (elf);
|
|
close (fd);
|
|
}
|
|
|
|
return 0;
|
|
}
|