48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
/* Early initialization of libc.so.
|
|
Copyright (C) 2020-2022 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _LIBC_EARLY_INIT_H
|
|
#define _LIBC_EARLY_INIT_H
|
|
|
|
#include <libc_early_init_name.h>
|
|
|
|
struct link_map;
|
|
|
|
/* In the shared case, this function is defined in libc.so and invoked
|
|
from ld.so (or on the fist static dlopen) after complete relocation
|
|
of a new loaded libc.so, but before user-defined ELF constructors
|
|
run. In the static case, this function is called directly from the
|
|
startup code. If INITIAL is true, the libc being initialized is
|
|
the libc for the main program. INITIAL is false for libcs loaded
|
|
for audit modules, dlmopen, and static dlopen. */
|
|
void __libc_early_init (_Bool initial)
|
|
#ifdef SHARED
|
|
/* Redirect to the actual implementation name. */
|
|
__asm__ (LIBC_EARLY_INIT_NAME_STRING)
|
|
#endif
|
|
;
|
|
|
|
/* Attempts to find the appropriately named __libc_early_init function
|
|
in LIBC_MAP. On lookup failure, an exception is signaled,
|
|
indicating an ld.so/libc.so mismatch. */
|
|
__typeof (__libc_early_init) *_dl_lookup_libc_early_init (struct link_map *
|
|
libc_map)
|
|
attribute_hidden;
|
|
|
|
#endif /* _LIBC_EARLY_INIT_H */
|