You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 lines
3.0 KiB
125 lines
3.0 KiB
/* 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 <assert.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <inttypes.h>
|
|
|
|
#include ELFUTILS_HEADER(elf)
|
|
#include ELFUTILS_HEADER(dwelf)
|
|
#include <gelf.h>
|
|
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
int result = 0;
|
|
int cnt;
|
|
|
|
elf_version (EV_CURRENT);
|
|
|
|
for (cnt = 1; cnt < argc; ++cnt)
|
|
{
|
|
int fd = open (argv[cnt], O_RDONLY);
|
|
|
|
Elf *elf = elf_begin (fd, ELF_C_READ, NULL);
|
|
if (elf == NULL)
|
|
{
|
|
printf ("%s not usable %s\n", argv[cnt], elf_errmsg (-1));
|
|
result = 1;
|
|
close (fd);
|
|
continue;
|
|
}
|
|
|
|
size_t shdrstrndx;
|
|
if (elf_getshdrstrndx (elf, &shdrstrndx) == -1)
|
|
{
|
|
printf ("elf_getshdrstrnd failed %s\n", elf_errmsg (-1));
|
|
result = 1;
|
|
close (fd);
|
|
continue;
|
|
}
|
|
|
|
Elf_Scn *scn = NULL;
|
|
while ((scn = elf_nextscn (elf, scn)) != NULL)
|
|
{
|
|
int idx = elf_ndxscn (scn);
|
|
GElf_Shdr shdr;
|
|
if (gelf_getshdr (scn, &shdr) == NULL)
|
|
{
|
|
printf ("gelf_getshdr failed: %s\n", elf_errmsg (-1));
|
|
result = 1;
|
|
break;
|
|
}
|
|
|
|
if ((shdr.sh_flags & SHF_COMPRESSED) != 0)
|
|
{
|
|
GElf_Chdr chdr;
|
|
if (gelf_getchdr (scn, &chdr) == NULL)
|
|
{
|
|
printf ("gelf_getchdr failed: %s\n", elf_errmsg (-1));
|
|
result = 1;
|
|
break;
|
|
}
|
|
|
|
printf ("section %d: ELF Compressed ch_type: %" PRId32
|
|
", ch_size: %" PRIx64 ", ch_addralign: %" PRIx64 "\n",
|
|
idx, chdr.ch_type, chdr.ch_size, chdr.ch_addralign);
|
|
}
|
|
else
|
|
{
|
|
const char *sname = elf_strptr (elf, shdrstrndx, shdr.sh_name);
|
|
if (sname == NULL)
|
|
{
|
|
printf ("couldn't get section name: %s\n", elf_errmsg (-1));
|
|
result = 1;
|
|
break;
|
|
}
|
|
|
|
/* This duplicates what the dwelfgnucompressed testcase does. */
|
|
if (strncmp(".zdebug", sname, strlen (".zdebug")) == 0)
|
|
{
|
|
ssize_t size;
|
|
if ((size = dwelf_scn_gnu_compressed_size (scn)) == -1)
|
|
{
|
|
printf ("dwelf_scn_gnu_compressed_size failed: %s\n",
|
|
elf_errmsg (-1));
|
|
result = 1;
|
|
break;
|
|
}
|
|
printf ("section %d: GNU Compressed size: %zx\n", idx, size);
|
|
}
|
|
else
|
|
printf ("section %d: NOT Compressed\n", idx);
|
|
}
|
|
}
|
|
|
|
elf_end (elf);
|
|
close (fd);
|
|
}
|
|
|
|
return result;
|
|
}
|