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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2008 Jiri Svoboda |
2 | * Copyright (c) 2008 Jiri Svoboda |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
| 14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | /** @addtogroup generic |
29 | /** @addtogroup generic |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | /** @file |
32 | /** @file |
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| 35 | #ifndef RTLD_H_ |
35 | #ifndef RTLD_H_ |
| 36 | #define RTLD_H_ |
36 | #define RTLD_H_ |
| 37 | 37 | ||
| 38 | #include <sys/types.h> |
38 | #include <sys/types.h> |
| 39 | #include <libadt/list.h> |
39 | #include <libadt/list.h> |
| 40 | 40 | ||
| 41 | #include <dynamic.h> |
41 | #include <dynamic.h> |
| 42 | #include <module.h> |
42 | #include <module.h> |
| 43 | 43 | ||
| 44 | /* Define to enable debugging mode. */ |
44 | /* Define to enable debugging mode. */ |
| 45 | #undef RTLD_DEBUG |
45 | #undef RTLD_DEBUG |
| 46 | 46 | ||
| 47 | #ifdef RTLD_DEBUG |
47 | #ifdef RTLD_DEBUG |
| 48 | #define DPRINTF(format, ...) printf(format, ##__VA_ARGS__); |
48 | #define DPRINTF(format, ...) printf(format, ##__VA_ARGS__); |
| 49 | #else |
49 | #else |
| 50 | #define DPRINTF(format, ...) |
50 | #define DPRINTF(format, ...) |
| 51 | #endif |
51 | #endif |
| 52 | 52 | ||
| 53 | typedef struct { |
53 | typedef struct { |
| 54 | elf_dyn_t *rtld_dynamic; |
54 | elf_dyn_t *rtld_dynamic; |
| 55 | module_t rtld; |
55 | module_t rtld; |
| 56 | 56 | ||
| 57 | module_t *program; |
57 | module_t *program; |
| 58 | module_t *libc; |
58 | module_t *libc; |
| 59 | 59 | ||
| 60 | /** List of all loaded modules including rtld and the program */ |
60 | /** List of all loaded modules including rtld and the program */ |
| 61 | link_t modules_head; |
61 | link_t modules_head; |
| 62 | 62 | ||
| 63 | /** Temporary hack to place each module at different address. */ |
63 | /** Temporary hack to place each module at different address. */ |
| 64 | uintptr_t next_bias; |
64 | uintptr_t next_bias; |
| 65 | } runtime_env_t; |
65 | } runtime_env_t; |
| 66 | 66 | ||
| 67 | extern runtime_env_t *runtime_env; |
67 | extern runtime_env_t *runtime_env; |
| 68 | 68 | ||
| - | 69 | extern void rtld_init_static(void); |
|
| - | 70 | ||
| 69 | #endif |
71 | #endif |
| 70 | 72 | ||
| 71 | /** @} |
73 | /** @} |
| 72 | */ |
74 | */ |
| 73 | 75 | ||