1 /* Copyright (C) 1998, 1999, 2000, 2002, 2005 Red Hat, Inc. 2 This file is part of elfutils. 3 Written by Ulrich Drepper <drepper (at) redhat.com>, 1998. 4 5 This file is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 elfutils is distributed in the hope that it will be useful, but 11 WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include <config.h> 19 20 #include <errno.h> 21 #include <fcntl.h> 22 #include <gelf.h> 23 #include <stdlib.h> 24 #include <stdio.h> 25 #include <string.h> 26 27 int 28 main (int argc, char *argv[]) 29 { 30 Elf *elf; 31 int fd; 32 GElf_Ehdr ehdr; 33 size_t strndx; 34 Elf_Scn *scn; 35 36 if (argc < 2) 37 { 38 puts ("missing parameter"); 39 exit (1); 40 } 41 42 fd = open (argv[1], O_RDONLY); 43 if (fd == -1) 44 { 45 printf ("cannot open \"%s\": %s\n", argv[1], strerror (errno)); 46 exit (1); 47 } 48 49 elf_version (EV_CURRENT); 50 51 elf = elf_begin (fd, ELF_C_READ, NULL); 52 if (elf == NULL) 53 { 54 printf ("cannot open ELF file: %s\n", elf_errmsg (-1)); 55 exit (1); 56 } 57 58 if (elf_kind (elf) != ELF_K_ELF) 59 { 60 printf ("\"%s\" is not an ELF file\n", argv[1]); 61 exit (1); 62 } 63 64 if (gelf_getehdr (elf, &ehdr) == NULL) 65 { 66 printf ("cannot get the ELF header: %s\n", elf_errmsg (-1)); 67 exit (1); 68 } 69 70 strndx = ehdr.e_shstrndx; 71 72 scn = NULL; 73 while ((scn = elf_nextscn (elf, scn)) != NULL) 74 { 75 char *name = NULL; 76 GElf_Shdr shdr; 77 78 if (gelf_getshdr (scn, &shdr) != NULL) 79 name = elf_strptr (elf, strndx, (size_t) shdr.sh_name); 80 81 printf ("section: `%s'\n", name); 82 } 83 84 if (elf_end (elf) != 0) 85 { 86 printf ("error while freeing ELF descriptor: %s\n", elf_errmsg (-1)); 87 exit (1); 88 } 89 90 return 0; 91 } 92
