glibc/sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c

/* Operating system support for run-time dynamic linker.  Linux/PPC version.
   Copyright (C) 1997-2017 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/>.  */

#include <config.h>
#include <ldsodefs.h>

int __cache_line_size attribute_hidden;

/* Scan the Aux Vector for the "Data Cache Block Size" entry.  If found
   verify that the static extern __cache_line_size is defined by checking
   for not NULL.  If it is defined then assign the cache block size
   value to __cache_line_size.  */
#define DL_PLATFORM_AUXV						      \
      case AT_DCACHEBSIZE:						      \
	__cache_line_size = av->a_un.a_val;				      \
	break;

#include <sysdeps/unix/sysv/linux/dl-sysdep.c>