1 /* Copyright (C) 2006 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 <error.h> 23 #include <stdio.h> 24 #include <fcntl.h> 25 #include <unistd.h> 26 #include <libelf.h> 27 28 int 29 main (int argc __attribute__ ((unused)), char *argv[]) 30 { 31 int fd = open (argv[1], O_RDWR); 32 if (fd < 0) 33 error (2, errno, "open: %s", argv[1]); 34 35 if (elf_version (EV_CURRENT) == EV_NONE) 36 error (1, 0, "libelf version mismatch"); 37 38 Elf *elf = elf_begin (fd, ELF_C_RDWR_MMAP, NULL); 39 if (elf == NULL) 40 error (1, 0, "elf_begin: %s", elf_errmsg (-1)); 41 42 if (elf_update (elf, ELF_C_WRITE) < 0) 43 error (1, 0, "elf_update: %s", elf_errmsg (-1)); 44 45 elf_end (elf); 46 close (fd); 47 48 return 0; 49 } 50
