1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
#include <errno.h>
#include <error.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <libelf.h>
int
main (int argc __attribute__ ((unused)), char *argv[])
{
int fd = open (argv[1], O_RDWR);
if (fd < 0)
error (2, errno, "open: %s", argv[1]);
if (elf_version (EV_CURRENT) == EV_NONE)
error (1, 0, "libelf version mismatch");
Elf *elf = elf_begin (fd, ELF_C_RDWR_MMAP, NULL);
if (elf == NULL)
error (1, 0, "elf_begin: %s", elf_errmsg (-1));
if (elf_update (elf, ELF_C_WRITE) < 0)
error (1, 0, "elf_update: %s", elf_errmsg (-1));
elf_end (elf);
close (fd);
return 0;
}
|
