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1 : : /* Retrieve uninterpreted file contents. 2 : : Copyright (C) 1998, 1999, 2000, 2002, 2015 Red Hat, Inc. 3 : : This file is part of elfutils. 4 : : Contributed by Ulrich Drepper <drepper@redhat.com>, 1998. 5 : : 6 : : This file is free software; you can redistribute it and/or modify 7 : : it under the terms of either 8 : : 9 : : * the GNU Lesser General Public License as published by the Free 10 : : Software Foundation; either version 3 of the License, or (at 11 : : your option) any later version 12 : : 13 : : or 14 : : 15 : : * the GNU General Public License as published by the Free 16 : : Software Foundation; either version 2 of the License, or (at 17 : : your option) any later version 18 : : 19 : : or both in parallel, as here. 20 : : 21 : : elfutils is distributed in the hope that it will be useful, but 22 : : WITHOUT ANY WARRANTY; without even the implied warranty of 23 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 24 : : General Public License for more details. 25 : : 26 : : You should have received copies of the GNU General Public License and 27 : : the GNU Lesser General Public License along with this program. If 28 : : not, see <http://www.gnu.org/licenses/>. */ 29 : : 30 : : #ifdef HAVE_CONFIG_H 31 : : # include <config.h> 32 : : #endif 33 : : 34 : : #include <libelf.h> 35 : : #include <stddef.h> 36 : : 37 : : #include "libelfP.h" 38 : : 39 : : 40 : : char * 41 : 280 : elf_rawfile (Elf *elf, size_t *ptr) 42 : : { 43 : 280 : char *result; 44 : : 45 [ - + ]: 280 : if (elf == NULL) 46 : : { 47 : : /* No valid descriptor. */ 48 : 0 : __libelf_seterrno (ELF_E_INVALID_HANDLE); 49 : 0 : error_out: 50 [ # # ]: 0 : if (ptr != NULL) 51 : 0 : *ptr = 0; 52 : 0 : return NULL; 53 : : } 54 : : 55 : : /* If the file is not mmap'ed and not previously loaded, do it now. */ 56 [ - + - - ]: 280 : if (elf->map_address == NULL && __libelf_readall (elf) == NULL) 57 : 0 : goto error_out; 58 : : 59 : 280 : rwlock_rdlock (elf->lock); 60 [ + - ]: 280 : if (ptr != NULL) 61 : 280 : *ptr = elf->maximum_size; 62 : : 63 : 280 : result = (char *) elf->map_address + elf->start_offset; 64 : 280 : rwlock_unlock (elf->lock); 65 : : 66 : 280 : return result; 67 : : }