hanchenye-llvm-project/compiler-rt/lib/int_lib.h

/* ===-- int_lib.h - configuration header for compiler-rt  -----------------===
 *
 *                     The LLVM Compiler Infrastructure
 *
 * This file is dual licensed under the MIT and the University of Illinois Open
 * Source Licenses. See LICENSE.TXT for details.
 *
 * ===----------------------------------------------------------------------===
 *
 * This file is a configuration header for compiler-rt.
 * This file is not part of the interface of this library.
 *
 * ===----------------------------------------------------------------------===
 */

#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 */

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

#include <limits.h>
#include <stdint.h>
#include <math.h>

/* If compiling for kernel use, call panic() instead of abort(). */
#ifdef KERNEL_USE
extern void panic (const char *, ...);
#define compilerrt_abort() \
  panic("%s:%d: abort in %s", __FILE__, __LINE__, __FUNCTION__)
#else
#define compilerrt_abort() abort()
#endif

#if !defined(INFINITY) && defined(HUGE_VAL)
#define INFINITY HUGE_VAL
#endif /* INFINITY */

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

#endif /* INT_LIB_H */