1/* Copyright (C) 2008 Red Hat, Inc. 2 This file is part of elfutils. 3 4 This file is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 elfutils is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17#ifdef HAVE_CONFIG_H 18# include <config.h> 19#endif 20 21#include <errno.h> 22#include <fcntl.h> 23#include <gelf.h> 24#include <stdio.h> 25#include <stdlib.h> 26#include "system.h" 27 28int 29main (int argc, char *argv[]) 30{ 31 if (argc < 2) 32 error (1, 0, "Usage: %s FILE OFFSET", argv[0]); 33 34 /* Set the ELF version. */ 35 elf_version (EV_CURRENT); 36 37 /* Open the archive. */ 38 int fd = open (argv[1], O_RDONLY); 39 if (fd < 0) 40 error (1, errno, "cannot open '%s'", argv[1]); 41 42 Elf *elf = elf_begin (fd, ELF_C_READ, NULL); 43 if (elf == NULL) 44 error (2, 0, "elf_begin: %s", elf_errmsg (-1)); 45 46 Elf_Scn *scn = gelf_offscn (elf, strtoull (argv[2], NULL, 0)); 47 if (scn == NULL) 48 error (3, 0, "gelf_offscn: %s", elf_errmsg (-1)); 49 50 elf_end (elf); 51 return 0; 52} 53