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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 (¤t_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");
}
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