mirror of
git://sourceware.org/git/glibc.git
synced 2025-03-06 20:58:33 +01:00
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/* Initialization code run first thing by the ELF startup code. Linux/PowerPC.
|
|
Copyright (C) 2007-2020 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/>. */
|
|
|
|
#include <dl-vdso.h>
|
|
#include <libc-vdso.h>
|
|
|
|
unsigned long long (*VDSO_SYMBOL(get_tbfreq)) (void) attribute_hidden;
|
|
#if defined(__PPC64__) || defined(__powerpc64__)
|
|
void *VDSO_SYMBOL(sigtramp_rt64) attribute_hidden;
|
|
#else
|
|
void *VDSO_SYMBOL(sigtramp32) attribute_hidden;
|
|
void *VDSO_SYMBOL(sigtramp_rt32) attribute_hidden;
|
|
#endif
|
|
|
|
static inline void
|
|
__libc_vdso_platform_setup_arch (void)
|
|
{
|
|
VDSO_SYMBOL (get_tbfreq) = get_vdso_mangle_symbol (HAVE_GET_TBFREQ);
|
|
|
|
/* PPC64 uses only one signal trampoline symbol, while PPC32 will use
|
|
two depending if SA_SIGINFO is used (__kernel_sigtramp_rt32) or not
|
|
(__kernel_sigtramp32).
|
|
There is no need to pointer mangle these symbol because they will
|
|
used only for pointer comparison. */
|
|
#if defined(__PPC64__) || defined(__powerpc64__)
|
|
VDSO_SYMBOL(sigtramp_rt64) = get_vdso_symbol (HAVE_SIGTRAMP_RT64);
|
|
#else
|
|
VDSO_SYMBOL(sigtramp32) = get_vdso_symbol (HAVE_SIGTRAMP_32);
|
|
VDSO_SYMBOL(sigtramp_rt32) = get_vdso_symbol (HAVE_SIGTRAMP_RT32);
|
|
#endif
|
|
}
|
|
|
|
#define VDSO_SETUP_ARCH __libc_vdso_platform_setup_arch
|
|
|
|
#include <sysdeps/unix/sysv/linux/init-first.c>
|