main/gcc/config/arm/arm-c.c

   1 /* Copyright (C) 2007-2013 Free Software Foundation, Inc.
   2
   3    This file is part of GCC.
   4
   5    GCC is free software; you can redistribute it and/or modify it under
   6    the terms of the GNU General Public License as published by the Free
   7    Software Foundation; either version 3, or (at your option) any later
   8    version.
   9
  10    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  11    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13    for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with GCC; see the file COPYING3.  If not see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include "config.h"
  20 #include "system.h"
  21 #include "coretypes.h"
  22 #include "tm.h"
  23 #include "tm_p.h"
  24 #include "tree.h"
  25 #include "c-family/c-common.h"
  26
  27 /* Output C specific EABI object attributes.  These can not be done in
  28    arm.c because they require information from the C frontend.  */
  29
  30 static void
  31 arm_output_c_attributes (void)
  32 {
  33   int wchar_size = (int)(TYPE_PRECISION (wchar_type_node) / BITS_PER_UNIT);
  34   arm_emit_eabi_attribute ("Tag_ABI_PCS_wchar_t", 18, wchar_size);
  35 }
  36
  37
  38 /* Setup so that common code calls arm_output_c_attributes.  */
  39
  40 void
  41 arm_lang_object_attributes_init (void)
  42 {
  43   arm_lang_output_object_attributes_hook = arm_output_c_attributes;
  44 }