lib/int_lib.h

   1 /* ===-- int_lib.h - configuration header for compiler-rt  -----------------===
   2  *
   3  *                     The LLVM Compiler Infrastructure
   4  *
   5  * This file is dual licensed under the MIT and the University of Illinois Open
   6  * Source Licenses. See LICENSE.TXT for details.
   7  *
   8  * ===----------------------------------------------------------------------===
   9  *
  10  * This file is a configuration header for compiler-rt.
  11  * This file is not part of the interface of this library.
  12  *
  13  * ===----------------------------------------------------------------------===
  14  */
  15
  16 #ifndef INT_LIB_H
  17 #define INT_LIB_H
  18
  19 /* Assumption: Signed integral is 2's complement. */
  20 /* Assumption: Right shift of signed negative is arithmetic shift. */
  21 /* Assumption: Endianness is little or big (not mixed). */
  22
  23 /* ABI macro definitions */
  24
  25 #if __ARM_EABI__
  26 # define ARM_EABI_FNALIAS(aeabi_name, name)         \
  27   void __aeabi_##aeabi_name() __attribute__((alias("__" #name)));
  28 # define COMPILER_RT_ABI __attribute__((pcs("aapcs")))
  29 #else
  30 # define ARM_EABI_FNALIAS(aeabi_name, name)
  31 # define COMPILER_RT_ABI
  32 #endif
  33
  34 #if defined(__NetBSD__) && (defined(_KERNEL) || defined(_STANDALONE))
  35 /*
  36  * Kernel and boot environment can't use normal headers,
  37  * so use the equivalent system headers.
  38  */
  39 #  include <machine/limits.h>
  40 #  include <sys/stdint.h>
  41 #  include <sys/types.h>
  42 #else
  43 /* Include the standard compiler builtin headers we use functionality from. */
  44 #  include <limits.h>
  45 #  include <stdint.h>
  46 #  include <stdbool.h>
  47 #  include <float.h>
  48 #endif
  49
  50 /* Include the commonly used internal type definitions. */
  51 #include "int_types.h"
  52
  53 /* Include internal utility function declarations. */
  54 #include "int_util.h"
  55
  56 #endif /* INT_LIB_H */