103333823c75a1c1887e923828113a1b0fd12020cElliott Hughes/* Copyright (C) 1998, 1999, 2000, 2002, 2005 Red Hat, Inc. 203333823c75a1c1887e923828113a1b0fd12020cElliott Hughes This file is part of elfutils. 303333823c75a1c1887e923828113a1b0fd12020cElliott Hughes Written by Ulrich Drepper <drepper@redhat.com>, 1998. 403333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 503333823c75a1c1887e923828113a1b0fd12020cElliott Hughes This file is free software; you can redistribute it and/or modify 603333823c75a1c1887e923828113a1b0fd12020cElliott Hughes it under the terms of the GNU General Public License as published by 703333823c75a1c1887e923828113a1b0fd12020cElliott Hughes the Free Software Foundation; either version 3 of the License, or 803333823c75a1c1887e923828113a1b0fd12020cElliott Hughes (at your option) any later version. 903333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 1003333823c75a1c1887e923828113a1b0fd12020cElliott Hughes elfutils is distributed in the hope that it will be useful, but 1103333823c75a1c1887e923828113a1b0fd12020cElliott Hughes WITHOUT ANY WARRANTY; without even the implied warranty of 1203333823c75a1c1887e923828113a1b0fd12020cElliott Hughes MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1303333823c75a1c1887e923828113a1b0fd12020cElliott Hughes GNU General Public License for more details. 1403333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 1503333823c75a1c1887e923828113a1b0fd12020cElliott Hughes You should have received a copy of the GNU General Public License 1603333823c75a1c1887e923828113a1b0fd12020cElliott Hughes along with this program. If not, see <http://www.gnu.org/licenses/>. */ 1703333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 1803333823c75a1c1887e923828113a1b0fd12020cElliott Hughes#include <config.h> 1903333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 2003333823c75a1c1887e923828113a1b0fd12020cElliott Hughes#include <errno.h> 2103333823c75a1c1887e923828113a1b0fd12020cElliott Hughes#include <fcntl.h> 2203333823c75a1c1887e923828113a1b0fd12020cElliott Hughes#include <gelf.h> 2303333823c75a1c1887e923828113a1b0fd12020cElliott Hughes#include <stdlib.h> 2403333823c75a1c1887e923828113a1b0fd12020cElliott Hughes#include <stdio.h> 2503333823c75a1c1887e923828113a1b0fd12020cElliott Hughes#include <string.h> 2603333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 2703333823c75a1c1887e923828113a1b0fd12020cElliott Hughesint 2803333823c75a1c1887e923828113a1b0fd12020cElliott Hughesmain (int argc, char *argv[]) 2903333823c75a1c1887e923828113a1b0fd12020cElliott Hughes{ 3003333823c75a1c1887e923828113a1b0fd12020cElliott Hughes Elf *elf; 3103333823c75a1c1887e923828113a1b0fd12020cElliott Hughes int fd; 3203333823c75a1c1887e923828113a1b0fd12020cElliott Hughes GElf_Ehdr ehdr; 3303333823c75a1c1887e923828113a1b0fd12020cElliott Hughes size_t strndx; 3403333823c75a1c1887e923828113a1b0fd12020cElliott Hughes Elf_Scn *scn; 3503333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 3603333823c75a1c1887e923828113a1b0fd12020cElliott Hughes if (argc < 2) 3703333823c75a1c1887e923828113a1b0fd12020cElliott Hughes { 3803333823c75a1c1887e923828113a1b0fd12020cElliott Hughes puts ("missing parameter"); 3903333823c75a1c1887e923828113a1b0fd12020cElliott Hughes exit (1); 4003333823c75a1c1887e923828113a1b0fd12020cElliott Hughes } 4103333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 4203333823c75a1c1887e923828113a1b0fd12020cElliott Hughes fd = open (argv[1], O_RDONLY); 4303333823c75a1c1887e923828113a1b0fd12020cElliott Hughes if (fd == -1) 4403333823c75a1c1887e923828113a1b0fd12020cElliott Hughes { 4503333823c75a1c1887e923828113a1b0fd12020cElliott Hughes printf ("cannot open \"%s\": %s\n", argv[1], strerror (errno)); 4603333823c75a1c1887e923828113a1b0fd12020cElliott Hughes exit (1); 4703333823c75a1c1887e923828113a1b0fd12020cElliott Hughes } 4803333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 4903333823c75a1c1887e923828113a1b0fd12020cElliott Hughes elf_version (EV_CURRENT); 5003333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 5103333823c75a1c1887e923828113a1b0fd12020cElliott Hughes elf = elf_begin (fd, ELF_C_READ, NULL); 5203333823c75a1c1887e923828113a1b0fd12020cElliott Hughes if (elf == NULL) 5303333823c75a1c1887e923828113a1b0fd12020cElliott Hughes { 5403333823c75a1c1887e923828113a1b0fd12020cElliott Hughes printf ("cannot open ELF file: %s\n", elf_errmsg (-1)); 5503333823c75a1c1887e923828113a1b0fd12020cElliott Hughes exit (1); 5603333823c75a1c1887e923828113a1b0fd12020cElliott Hughes } 5703333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 5803333823c75a1c1887e923828113a1b0fd12020cElliott Hughes if (elf_kind (elf) != ELF_K_ELF) 5903333823c75a1c1887e923828113a1b0fd12020cElliott Hughes { 6003333823c75a1c1887e923828113a1b0fd12020cElliott Hughes printf ("\"%s\" is not an ELF file\n", argv[1]); 6103333823c75a1c1887e923828113a1b0fd12020cElliott Hughes exit (1); 6203333823c75a1c1887e923828113a1b0fd12020cElliott Hughes } 6303333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 6403333823c75a1c1887e923828113a1b0fd12020cElliott Hughes if (gelf_getehdr (elf, &ehdr) == NULL) 6503333823c75a1c1887e923828113a1b0fd12020cElliott Hughes { 6603333823c75a1c1887e923828113a1b0fd12020cElliott Hughes printf ("cannot get the ELF header: %s\n", elf_errmsg (-1)); 6703333823c75a1c1887e923828113a1b0fd12020cElliott Hughes exit (1); 6803333823c75a1c1887e923828113a1b0fd12020cElliott Hughes } 6903333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 7003333823c75a1c1887e923828113a1b0fd12020cElliott Hughes strndx = ehdr.e_shstrndx; 7103333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 7203333823c75a1c1887e923828113a1b0fd12020cElliott Hughes scn = NULL; 7303333823c75a1c1887e923828113a1b0fd12020cElliott Hughes while ((scn = elf_nextscn (elf, scn)) != NULL) 7403333823c75a1c1887e923828113a1b0fd12020cElliott Hughes { 7503333823c75a1c1887e923828113a1b0fd12020cElliott Hughes char *name = NULL; 7603333823c75a1c1887e923828113a1b0fd12020cElliott Hughes GElf_Shdr shdr; 7703333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 7803333823c75a1c1887e923828113a1b0fd12020cElliott Hughes if (gelf_getshdr (scn, &shdr) != NULL) 7903333823c75a1c1887e923828113a1b0fd12020cElliott Hughes name = elf_strptr (elf, strndx, (size_t) shdr.sh_name); 8003333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 8103333823c75a1c1887e923828113a1b0fd12020cElliott Hughes printf ("section: `%s'\n", name); 8203333823c75a1c1887e923828113a1b0fd12020cElliott Hughes } 8303333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 8403333823c75a1c1887e923828113a1b0fd12020cElliott Hughes if (elf_end (elf) != 0) 8503333823c75a1c1887e923828113a1b0fd12020cElliott Hughes { 8603333823c75a1c1887e923828113a1b0fd12020cElliott Hughes printf ("error while freeing ELF descriptor: %s\n", elf_errmsg (-1)); 8703333823c75a1c1887e923828113a1b0fd12020cElliott Hughes exit (1); 8803333823c75a1c1887e923828113a1b0fd12020cElliott Hughes } 8903333823c75a1c1887e923828113a1b0fd12020cElliott Hughes 9003333823c75a1c1887e923828113a1b0fd12020cElliott Hughes return 0; 9103333823c75a1c1887e923828113a1b0fd12020cElliott Hughes} 92