projects / J-u-boot.git / blame
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|---|---|---|
| 36b2409a GB |
1 | /* |
| 2 | * This file is part of the coreboot project. | |
| 3 | * | |
| 4 | * Copyright (C) 2009 coresystems GmbH | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; version 2 or later of the License. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA | |
| 18 | */ | |
| 19 | ||
| 20 | #ifdef __GNUC__ | |
| 21 | ||
| 22 | /* | |
| 23 | * GCC's libgcc handling is quite broken. While the libgcc functions | |
| 24 | * are always regparm(0) the code that calls them uses whatever the | |
| 25 | * compiler call specifies. Therefore we need a wrapper around those | |
| 26 | * functions. See gcc bug PR41055 for more information. | |
| 27 | */ | |
| 28 | #define WRAP_LIBGCC_CALL(type, name) \ | |
| 29 | type __normal_##name(type a, type b) __attribute__((regparm(0))); \ | |
| 30 | type __wrap_##name(type a, type b); \ | |
| d8819f94 SG |
31 | type __attribute__((no_instrument_function)) \ |
| 32 | __wrap_##name(type a, type b) \ | |
| 33 | { return __normal_##name(a, b); } | |
| 36b2409a GB |
34 | |
| 35 | WRAP_LIBGCC_CALL(long long, __divdi3) | |
| 36 | WRAP_LIBGCC_CALL(unsigned long long, __udivdi3) | |
| 37 | WRAP_LIBGCC_CALL(long long, __moddi3) | |
| 38 | WRAP_LIBGCC_CALL(unsigned long long, __umoddi3) | |
| 39 | ||
| 40 | #endif |