96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
/* Test program for elf_strptr function.
|
|
Copyright (C) 2015 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/>. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include ELFUTILS_HEADER(elf)
|
|
#include <gelf.h>
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
if (argc != 2)
|
|
{
|
|
printf ("No ELF file given as argument");
|
|
exit (1);
|
|
}
|
|
|
|
const char *fname = argv[1];
|
|
|
|
// Initialize libelf.
|
|
elf_version (EV_CURRENT);
|
|
|
|
/* Read the ELF from disk now. */
|
|
int fd = open (fname, O_RDONLY);
|
|
if (fd == -1)
|
|
{
|
|
printf ("cannot open `%s' read-only: %s\n", fname, strerror (errno));
|
|
exit (1);
|
|
}
|
|
|
|
Elf *elf = elf_begin (fd, ELF_C_READ, NULL);
|
|
if (elf == NULL)
|
|
{
|
|
printf ("cannot create ELF descriptor read-only: %s\n", elf_errmsg (-1));
|
|
exit (1);
|
|
}
|
|
|
|
size_t ndx;
|
|
if (elf_getshdrstrndx (elf, &ndx) != 0)
|
|
{
|
|
printf ("cannot get section header table index: %s\n", elf_errmsg (-1));
|
|
exit (1);
|
|
}
|
|
|
|
if (ndx == SHN_UNDEF)
|
|
{
|
|
printf ("ELF file `%s' doesn't have a section header table index", fname);
|
|
exit (1);
|
|
}
|
|
|
|
printf ("Strings in section %zd:\n", ndx);
|
|
|
|
size_t off = 0;
|
|
const char *str = elf_strptr (elf, ndx, off);
|
|
while (str != NULL)
|
|
{
|
|
printf ("[%zx] '%s'\n", off, str);
|
|
off += strlen (str) + 1;
|
|
str = elf_strptr (elf, ndx, off);
|
|
}
|
|
|
|
if (elf_end (elf) != 0)
|
|
{
|
|
printf ("failure in elf_end: %s\n", elf_errmsg (-1));
|
|
exit (1);
|
|
}
|
|
|
|
close (fd);
|
|
|
|
return 0;
|
|
}
|