| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2009 coresystems GmbH |
| * |
| * This program 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; version 2 or later of the License. |
| * |
| * This program 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 this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA |
| */ |
| |
| #ifdef __GNUC__ |
| |
| /* |
| * GCC's libgcc handling is quite broken. While the libgcc functions |
| * are always regparm(0) the code that calls them uses whatever the |
| * compiler call specifies. Therefore we need a wrapper around those |
| * functions. See gcc bug PR41055 for more information. |
| */ |
| #define WRAP_LIBGCC_CALL(type, name) \ |
| type __normal_##name(type a, type b) __attribute__((regparm(0))); \ |
| type __wrap_##name(type a, type b); \ |
| type __attribute__((no_instrument_function)) \ |
| __wrap_##name(type a, type b) \ |
| { return __normal_##name(a, b); } |
| |
| WRAP_LIBGCC_CALL(long long, __divdi3) |
| WRAP_LIBGCC_CALL(unsigned long long, __udivdi3) |
| WRAP_LIBGCC_CALL(long long, __moddi3) |
| WRAP_LIBGCC_CALL(unsigned long long, __umoddi3) |
| |
| #endif |
