1 /* Copyright (C) 1998, 1999, 2000, 2002 Red Hat, Inc. 2 Written by Ulrich Drepper <drepper (at) redhat.com>, 1998. 3 4 This program is Open Source software; you can redistribute it and/or 5 modify it under the terms of the Open Software License version 1.0 as 6 published by the Open Source Initiative. 7 8 You should have received a copy of the Open Software License along 9 with this program; if not, you may obtain a copy of the Open Software 10 License version 1.0 from http://www.opensource.org/licenses/osl.php or 11 by writing the Open Source Initiative c/o Lawrence Rosen, Esq., 12 3001 King Ranch Road, Ukiah, CA 95482. */ 13 14 #include <config.h> 15 16 #include <errno.h> 17 #include <fcntl.h> 18 #include <gelf.h> 19 #include <stdlib.h> 20 #include <stdio.h> 21 #include <string.h> 22 23 int 24 main (int argc, char *argv[]) 25 { 26 Elf *elf; 27 int fd; 28 GElf_Ehdr ehdr; 29 size_t strndx; 30 Elf_Scn *scn; 31 32 fd = open (argv[1], O_RDONLY); 33 if (fd == -1) 34 { 35 printf ("cannot open \"%s\": %s\n", argv[1], strerror (errno)); 36 exit (1); 37 } 38 39 elf_version (EV_CURRENT); 40 41 elf = elf_begin (fd, ELF_C_READ, NULL); 42 if (elf == NULL) 43 { 44 printf ("cannot open ELF file: %s\n", elf_errmsg (-1)); 45 exit (1); 46 } 47 48 if (elf_kind (elf) != ELF_K_ELF) 49 { 50 printf ("\"%s\" is not an ELF file\n", argv[1]); 51 exit (1); 52 } 53 54 if (gelf_getehdr (elf, &ehdr) == NULL) 55 { 56 printf ("cannot get the ELF header: %s\n", elf_errmsg (-1)); 57 exit (1); 58 } 59 60 strndx = ehdr.e_shstrndx; 61 62 scn = NULL; 63 while ((scn = elf_nextscn (elf, scn)) != NULL) 64 { 65 char *name = NULL; 66 GElf_Shdr shdr; 67 68 if (gelf_getshdr (scn, &shdr) != NULL) 69 name = elf_strptr (elf, strndx, (size_t) shdr.sh_name); 70 71 printf ("section: `%s'\n", name); 72 } 73 74 if (elf_end (elf) != 0) 75 { 76 printf ("error while freeing ELF descriptor: %s\n", elf_errmsg (-1)); 77 exit (1); 78 } 79 80 return 0; 81 } 82
