glibc/include/libc-internal.h
H.J. Lu 7bfd08ac5b Hide internal __init_misc function [BZ #18822]
Hide internal __init_misc function to allow direct access within libc.so
and libc.a without using GOT nor PLT.

	[BZ #18822]
	* include/libc-internal.h (__init_misc): Add attribute_hidden.
2017-10-01 17:53:55 -07:00

59 lines
2.1 KiB
C

/* Internal prototype declarations that don't fit anywhere else.
Copyright (C) 2000-2017 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
<http://www.gnu.org/licenses/>. */
#ifndef _LIBC_INTERNAL
# define _LIBC_INTERNAL 1
#include <hp-timing.h>
/* Initialize the `__libc_enable_secure' flag. */
extern void __libc_init_secure (void);
/* This function will be called from _init in init-first.c. */
extern void __libc_global_ctors (void);
/* Discover the tick frequency of the machine if something goes wrong,
we return 0, an impossible hertz. */
extern int __profile_frequency (void);
libc_hidden_proto (__profile_frequency)
/* Hooks for the instrumenting functions. */
extern void __cyg_profile_func_enter (void *this_fn, void *call_site);
extern void __cyg_profile_func_exit (void *this_fn, void *call_site);
/* Get frequency of the system processor. */
extern hp_timing_t __get_clockfreq (void);
/* Free all allocated resources. */
extern void __libc_freeres (void);
libc_hidden_proto (__libc_freeres)
/* Free resources stored in thread-local variables on thread exit. */
extern void __libc_thread_freeres (void);
/* Define and initialize `__progname' et. al. */
extern void __init_misc (int, char **, char **) attribute_hidden;
# if IS_IN (rtld)
extern __typeof (__profile_frequency) __profile_frequency attribute_hidden;
# endif
extern int __libc_multiple_libcs attribute_hidden;
#endif /* _LIBC_INTERNAL */