30 lines
868 B
C
30 lines
868 B
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2009 coresystems GmbH
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#ifdef __GNUC__
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/*
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* GCC's libgcc handling is quite broken. While the libgcc functions
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* are always regparm(0) the code that calls them uses whatever the
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* compiler call specifies. Therefore we need a wrapper around those
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* functions. See gcc bug PR41055 for more information.
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*/
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#define WRAP_LIBGCC_CALL(type, name) \
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type __normal_##name(type a, type b) __attribute__((regparm(0))); \
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type __wrap_##name(type a, type b); \
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type __attribute__((no_instrument_function)) \
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__wrap_##name(type a, type b) \
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{ return __normal_##name(a, b); }
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WRAP_LIBGCC_CALL(long long, __divdi3)
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WRAP_LIBGCC_CALL(unsigned long long, __udivdi3)
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WRAP_LIBGCC_CALL(long long, __moddi3)
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WRAP_LIBGCC_CALL(unsigned long long, __umoddi3)
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#endif
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