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/* Copyright (C) 1999, 2000, 2002 Red Hat, Inc.
This file is part of elfutils.
Written by Ulrich Drepper <drepper@redhat.com>, 1999.
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/>. */
#include <config.h>
#include <fcntl.h>
#include <libelf.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int
main (int argc, char *argv[])
{
int fd;
FILE *fp;
Elf *elf;
Elf_Arsym *arsym;
size_t narsym;
if (argc < 3)
exit (1);
/* Open the archive. */
fd = open (argv[1], O_RDONLY);
if (fd == -1)
{
printf ("Cannot open input file: %m");
exit (1);
}
/* Open the output file. */
fp = fopen (argv[2], "w");
if (fp == NULL)
{
printf ("Cannot open output file: %m");
exit (1);
}
/* Set the ELF version. */
elf_version (EV_CURRENT);
/* Create an ELF descriptor. */
elf = elf_begin (fd, ELF_C_READ, NULL);
if (elf == NULL)
{
printf ("Cannot create ELF descriptor: %s\n", elf_errmsg (-1));
exit (1);
}
/* If it is no archive punt. */
if (elf_kind (elf) != ELF_K_AR)
{
printf ("`%s' is no archive\n", argv[1]);
exit (1);
}
/* Now get the index of the archive. */
arsym = elf_getarsym (elf, &narsym);
if (arsym == NULL)
{
printf ("Cannot get archive index: %s\n", elf_errmsg (-1));
exit (1);
}
/* If there is no element in the index do nothing. There always is
an empty entry at the end which is included in the count and
which we want to skip. */
if (narsym-- > 1)
while (narsym-- > 0)
{
Elf *subelf;
Elf_Arhdr *arhdr;
if (elf_rand (elf, arsym[narsym].as_off) != arsym[narsym].as_off)
{
printf ("random access for symbol `%s' fails: %s\n",
arsym[narsym].as_name, elf_errmsg (-1));
exit (1);
}
subelf = elf_begin (fd, ELF_C_READ, elf);
if (subelf == NULL)
{
printf ("Cannot create ELF descriptor for archive member: %s\n",
elf_errmsg (-1));
exit (1);
}
arhdr = elf_getarhdr (subelf);
if (arhdr == NULL)
{
printf ("Cannot get archive header for element `%s': %s\n",
arsym[narsym].as_name, elf_errmsg (-1));
exit (1);
}
/* Now print what we actually want. */
fprintf (fp, "%s in %s\n", arsym[narsym].as_name, arhdr->ar_name);
/* Free the ELF descriptor. */
if (elf_end (subelf) != 0)
{
printf ("Error while freeing subELF descriptor: %s\n",
elf_errmsg (-1));
exit (1);
}
}
/* Free the ELF descriptor. */
if (elf_end (elf) != 0)
{
printf ("Error while freeing ELF descriptor: %s\n", elf_errmsg (-1));
exit (1);
}
close (fd);
fclose (fp);
return 0;
}
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