u-boot/arch/x86/lib/gcc.c
Tom Rini 5b8031ccb4 Add more SPDX-License-Identifier tags
In a number of places we had wordings of the GPL (or LGPL in a few
cases) license text that were split in such a way that it wasn't caught
previously.  Convert all of these to the correct SPDX-License-Identifier
tag.

Signed-off-by: Tom Rini <trini@konsulko.com>
2016-01-19 08:31:21 -05:00

29 lines
868 B
C

/*
* 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