1 /* Test program for dwelf_elf_gnu_debuglink, print name and crc. 2 Copyright (C) 2014 Red Hat, Inc. 3 This file is part of elfutils. 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 #include <assert.h> 20 #include <inttypes.h> 21 #include <errno.h> 22 #include ELFUTILS_HEADER(dwelf) 23 #include <stdio.h> 24 #include <error.h> 25 #include <string.h> 26 #include <stdlib.h> 27 #include <sys/types.h> 28 #include <sys/stat.h> 29 #include <fcntl.h> 30 #include <unistd.h> 31 32 int 33 main (int argc, char *argv[]) 34 { 35 if (argc < 2) 36 error (EXIT_FAILURE, 0, "No input file given"); 37 38 elf_version (EV_CURRENT); 39 40 for (int i = 1; i < argc; i++) 41 { 42 const char *file = argv[i]; 43 int fd = open (file, O_RDONLY); 44 if (fd < 0) 45 error (EXIT_FAILURE, errno, "couldn't open file '%s'", file); 46 47 Elf *elf = elf_begin (fd, ELF_C_READ, NULL); 48 if (elf == NULL) 49 error (EXIT_FAILURE, 0, "elf_begin failed for '%s': %s", 50 file, elf_errmsg (-1)); 51 52 GElf_Word crc; 53 const char *debug = dwelf_elf_gnu_debuglink (elf, &crc); 54 if (debug == NULL) 55 printf ("%s: <no gnu_debuglink file>\n", file); 56 else 57 printf ("%s: %s, crc: %" PRIx32 "\n", file, debug, crc); 58 59 elf_end (elf); 60 close (fd); 61 } 62 63 return 0; 64 } 65
