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- /*
- * 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
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