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1 | /* Early initialization of libc.so. | |
2 | Copyright (C) 2020-2024 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef _LIBC_EARLY_INIT_H | |
20 | #define _LIBC_EARLY_INIT_H | |
21 | ||
22 | struct link_map; | |
23 | ||
24 | /* If LIBC_MAP is not NULL, look up the __libc_early_init symbol in it | |
25 | and call this function, with INITIAL as the argument. */ | |
26 | void _dl_call_libc_early_init (struct link_map *libc_map, _Bool initial) | |
27 | attribute_hidden; | |
28 | ||
29 | /* In the shared case, this function is defined in libc.so and invoked | |
30 | from ld.so (or on the fist static dlopen) after complete relocation | |
31 | of a new loaded libc.so, but before user-defined ELF constructors | |
32 | run. In the static case, this function is called directly from the | |
33 | startup code. If INITIAL is true, the libc being initialized is | |
34 | the libc for the main program. INITIAL is false for libcs loaded | |
35 | for audit modules, dlmopen, and static dlopen. */ | |
36 | void __libc_early_init (_Bool initial); | |
37 | ||
38 | #endif /* _LIBC_EARLY_INIT_H */ |