| /* Pragma handling for GCC for Renesas / SuperH SH. |
| Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
| 2003, 2004, 2005, 2006 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 2, 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 COPYING. If not, write to |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #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"); |
| } |