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124 lines
3.0 KiB
124 lines
3.0 KiB
/* 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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