/* * This file is part of the coreboot project. * * Copyright (C) 2009 coresystems GmbH * * SPDX-License-Identifier: GPL-2.0 */ #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