address.h

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/* SPDX-License-Identifier: BSD-2-Clause */

 
/*
 *  COPYRIGHT (c) 1989-2006.
 *  On-Line Applications Research Corporation (OAR).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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#ifndef _RTEMS_SCORE_ADDRESS_H
#define _RTEMS_SCORE_ADDRESS_H
 
#include <rtems/score/cpu.h>
 
#ifdef __cplusplus
extern "C" {
#endif


static inline void *_Addresses_Add_offset (
  const void *base,
  uintptr_t   offset
)
{
  return (void *)((uintptr_t)base + offset);
}

 
static inline void *_Addresses_Subtract_offset (
  const void *base,
  uintptr_t   offset
)
{
  return (void *)((uintptr_t)base - offset);
}

static inline intptr_t _Addresses_Subtract(
  const void *left,
  const void *right
)
{
  return (intptr_t) ( (const char *) left - (const char *) right );
}

static inline bool _Addresses_Is_aligned(
  const void *address
)
{
  return ( (uintptr_t) address % CPU_ALIGNMENT ) == 0;
}

static inline bool _Addresses_Is_in_range (
  const void *address,
  const void *base,
  const void *limit
)
{
  return (address >= base && address <= limit);
}

static inline void *_Addresses_Align_up(
  void *address,
  size_t alignment
)
{
  uintptr_t mask = alignment - (uintptr_t)1;
  return (void*)(((uintptr_t)address + mask) & ~mask);
}

static inline void *_Addresses_Align_down(
  void *address,
  size_t alignment
)
{
  uintptr_t mask = alignment - (uintptr_t)1;
  return (void*)((uintptr_t)address & ~mask);
}

 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */