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b08d5a8f | 1 | /* Retrieve uninterpreted file contents. |
1ccdfb68 | 2 | Copyright (C) 1998, 1999, 2000, 2002, 2015 Red Hat, Inc. |
de2ed97f | 3 | This file is part of elfutils. |
b08d5a8f UD |
4 | Contributed by Ulrich Drepper <drepper@redhat.com>, 1998. |
5 | ||
de2ed97f MW |
6 | This file is free software; you can redistribute it and/or modify |
7 | it under the terms of either | |
b08d5a8f | 8 | |
de2ed97f MW |
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 | |
361df7da UD |
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. | |
b08d5a8f | 25 | |
de2ed97f MW |
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/>. */ | |
b08d5a8f UD |
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 * | |
1ccdfb68 | 41 | elf_rawfile (Elf *elf, size_t *ptr) |
b08d5a8f | 42 | { |
02f66452 UD |
43 | char *result; |
44 | ||
b08d5a8f UD |
45 | if (elf == NULL) |
46 | { | |
47 | /* No valid descriptor. */ | |
48 | __libelf_seterrno (ELF_E_INVALID_HANDLE); | |
49 | error_out: | |
50 | if (ptr != NULL) | |
51 | *ptr = 0; | |
52 | return NULL; | |
53 | } | |
54 | ||
55 | /* If the file is not mmap'ed and not previously loaded, do it now. */ | |
56 | if (elf->map_address == NULL && __libelf_readall (elf) == NULL) | |
57 | goto error_out; | |
58 | ||
02f66452 | 59 | rwlock_rdlock (elf->lock); |
b08d5a8f UD |
60 | if (ptr != NULL) |
61 | *ptr = elf->maximum_size; | |
62 | ||
02f66452 UD |
63 | result = (char *) elf->map_address + elf->start_offset; |
64 | rwlock_unlock (elf->lock); | |
65 | ||
66 | return result; | |
b08d5a8f | 67 | } |