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/* Pragma handling for GCC for Renesas / SuperH SH.

   Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,

   2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.

   Contributed by Joern Rennecke <joern.rennecke@st.com>.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 3, or (at your option)

any later version.

GCC 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 General Public License for more details.

You should have received a copy of the GNU General Public License

along with GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

#include "config.h"

#include "system.h"

#include "coretypes.h"

#include "tm.h"

#include "tree.h"

#include "tm_p.h"

/* Handle machine specific pragmas to be semi-compatible with Renesas

   compiler.  */

/* Add ATTR to the attributes of the current function.  If there is no

   such function, save it to be added to the attributes of the next

   function.  */

static void

sh_add_function_attribute (const char *attr)

{

  tree id = get_identifier (attr);

  if (current_function_decl)

    decl_attributes (&current_function_decl,

                     tree_cons (id, NULL_TREE, NULL_TREE), 0);

  else

    {

      *sh_deferred_function_attributes_tail

        = tree_cons (id, NULL_TREE, *sh_deferred_function_attributes_tail);

      sh_deferred_function_attributes_tail

        = &TREE_CHAIN (*sh_deferred_function_attributes_tail);

    }

}

void

sh_pr_interrupt (struct cpp_reader *pfile ATTRIBUTE_UNUSED)

{

  sh_add_function_attribute ("interrupt_handler");

}

void

sh_pr_trapa (struct cpp_reader *pfile ATTRIBUTE_UNUSED)

{

  sh_add_function_attribute ("trapa_handler");

}

void

sh_pr_nosave_low_regs (struct cpp_reader *pfile ATTRIBUTE_UNUSED)

{

  sh_add_function_attribute ("nosave_low_regs");

}