StdLib/LibC/Main/Arm/int_lib.h

/**
University of Illinois/NCSA
Open Source License

Copyright (c) 2009-2014 by the contributors listed in CREDITS.TXT

All rights reserved.

Developed by:

    LLVM Team

    University of Illinois at Urbana-Champaign

    http://llvm.org

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this software and associated documentation files (the "Software"), to deal with
the Software without restriction, including without limitation the rights to
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of the Software, and to permit persons to whom the Software is furnished to do
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    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimers.

    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimers in the
      documentation and/or other materials provided with the distribution.

    * Neither the names of the LLVM Team, University of Illinois at
      Urbana-Champaign, nor the names of its contributors may be used to
      endorse or promote products derived from this Software without specific
      prior written permission.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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**/

#ifndef INT_LIB_H
#define INT_LIB_H

/* Assumption: Signed integral is 2's complement. */
/* Assumption: Right shift of signed negative is arithmetic shift. */
/* Assumption: Endianness is little or big (not mixed). */

/* ABI macro definitions */

/*
 * TODO define this appropriately for targets that require explicit export
 * declarations (i.e. Windows)
 */
#define COMPILER_RT_EXPORT

#if __ARM_EABI__
# define ARM_EABI_FNALIAS(aeabi_name, name)         \
  void __aeabi_##aeabi_name() __attribute__((alias("__" #name)));
# define COMPILER_RT_ABI COMPILER_RT_EXPORT __attribute__((pcs("aapcs")))
#else
# define ARM_EABI_FNALIAS(aeabi_name, name)
# define COMPILER_RT_ABI COMPILER_RT_EXPORT
#endif

#if defined(__NetBSD__) && (defined(_KERNEL) || defined(_STANDALONE))
/*
 * Kernel and boot environment can't use normal headers,
 * so use the equivalent system headers.
 */
#  include <machine/limits.h>
#  include <sys/stdint.h>
#  include <sys/types.h>
#else
/* Include the standard compiler builtin headers we use functionality from. */
#  include <limits.h>
#  include <stdint.h>
#  include <stdbool.h>
#  include <float.h>
#endif

/* Include the commonly used internal type definitions. */
#include "int_types.h"

/* Include internal utility function declarations. */
#include "int_util.h"

COMPILER_RT_ABI si_int __paritysi2(si_int a);
COMPILER_RT_ABI si_int __paritydi2(di_int a);

COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b);
COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b);
COMPILER_RT_ABI su_int __udivsi3(su_int n, su_int d);

COMPILER_RT_ABI su_int __udivmodsi4(su_int a, su_int b, su_int* rem);
COMPILER_RT_ABI du_int __udivmoddi4(du_int a, du_int b, du_int* rem);
#ifdef CRT_HAS_128BIT
COMPILER_RT_ABI si_int __clzti2(ti_int a);
COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem);
#endif

#endif /* INT_LIB_H */