sysdeps/unix/sysv/linux/alpha/dl-sysdep.c

   1 /* Operating system support for run-time dynamic linker.  Linux/Alpha version.
   2    Copyright (C) 1997, 1998, 2001, 2003, 2006 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <config.h>
  21 #include <kernel-features.h>
  22 #include <ldsodefs.h>
  23
  24 extern long __libc_alpha_cache_shape[4];
  25 weak_extern (__libc_alpha_cache_shape);
  26
  27
  28 /* Scan the Aux Vector for the cache shape entries.  */
  29 #define DL_PLATFORM_AUXV                                \
  30       case AT_L1I_CACHESHAPE:                           \
  31         {                                               \
  32           long *cls = __libc_alpha_cache_shape;         \
  33           if (cls != NULL)                              \
  34             cls[0] = av->a_un.a_val;                    \
  35           break;                                        \
  36         }                                               \
  37       case AT_L1D_CACHESHAPE:                           \
  38         {                                               \
  39           long *cls = __libc_alpha_cache_shape;         \
  40           if (cls != NULL)                              \
  41             cls[1] = av->a_un.a_val;                    \
  42           break;                                        \
  43         }                                               \
  44       case AT_L2_CACHESHAPE:                            \
  45         {                                               \
  46           long *cls = __libc_alpha_cache_shape;         \
  47           if (cls != NULL)                              \
  48             cls[2] = av->a_un.a_val;                    \
  49           break;                                        \
  50         }                                               \
  51       case AT_L3_CACHESHAPE:                            \
  52         {                                               \
  53           long *cls = __libc_alpha_cache_shape;         \
  54           if (cls != NULL)                              \
  55             cls[3] = av->a_un.a_val;                    \
  56           break;                                        \
  57         }
  58
  59 #include <sysdeps/unix/sysv/linux/dl-sysdep.c>