mirror of
https://github.com/autc04/Retro68.git
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125 lines
3.0 KiB
C
125 lines
3.0 KiB
C
/* Copyright (C) 2015 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <assert.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include ELFUTILS_HEADER(elf)
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#include ELFUTILS_HEADER(dwelf)
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#include <gelf.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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int
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main (int argc, char *argv[])
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{
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int result = 0;
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int cnt;
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elf_version (EV_CURRENT);
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for (cnt = 1; cnt < argc; ++cnt)
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{
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int fd = open (argv[cnt], O_RDONLY);
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Elf *elf = elf_begin (fd, ELF_C_READ, NULL);
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if (elf == NULL)
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{
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printf ("%s not usable %s\n", argv[cnt], elf_errmsg (-1));
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result = 1;
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close (fd);
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continue;
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}
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size_t shdrstrndx;
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if (elf_getshdrstrndx (elf, &shdrstrndx) == -1)
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{
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printf ("elf_getshdrstrnd failed %s\n", elf_errmsg (-1));
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result = 1;
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close (fd);
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continue;
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}
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Elf_Scn *scn = NULL;
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while ((scn = elf_nextscn (elf, scn)) != NULL)
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{
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int idx = elf_ndxscn (scn);
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GElf_Shdr shdr;
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if (gelf_getshdr (scn, &shdr) == NULL)
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{
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printf ("gelf_getshdr failed: %s\n", elf_errmsg (-1));
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result = 1;
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break;
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}
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if ((shdr.sh_flags & SHF_COMPRESSED) != 0)
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{
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GElf_Chdr chdr;
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if (gelf_getchdr (scn, &chdr) == NULL)
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{
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printf ("gelf_getchdr failed: %s\n", elf_errmsg (-1));
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result = 1;
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break;
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}
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printf ("section %d: ELF Compressed ch_type: %" PRId32
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", ch_size: %" PRIx64 ", ch_addralign: %" PRIx64 "\n",
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idx, chdr.ch_type, chdr.ch_size, chdr.ch_addralign);
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}
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else
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{
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const char *sname = elf_strptr (elf, shdrstrndx, shdr.sh_name);
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if (sname == NULL)
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{
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printf ("couldn't get section name: %s\n", elf_errmsg (-1));
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result = 1;
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break;
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}
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/* This duplicates what the dwelfgnucompressed testcase does. */
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if (strncmp(".zdebug", sname, strlen (".zdebug")) == 0)
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{
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ssize_t size;
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if ((size = dwelf_scn_gnu_compressed_size (scn)) == -1)
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{
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printf ("dwelf_scn_gnu_compressed_size failed: %s\n",
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elf_errmsg (-1));
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result = 1;
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break;
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}
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printf ("section %d: GNU Compressed size: %zx\n", idx, size);
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}
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else
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printf ("section %d: NOT Compressed\n", idx);
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}
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}
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elf_end (elf);
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close (fd);
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}
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return result;
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}
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