RTEMS 6.1-rc1
address.h
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1/* SPDX-License-Identifier: BSD-2-Clause */
2
12/*
13 * COPYRIGHT (c) 1989-2006.
14 * On-Line Applications Research Corporation (OAR).
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#ifndef _RTEMS_SCORE_ADDRESS_H
39#define _RTEMS_SCORE_ADDRESS_H
40
41#include <rtems/score/cpu.h>
42
43#ifdef __cplusplus
44extern "C" {
45#endif
46
72static inline void *_Addresses_Add_offset (
73 const void *base,
74 uintptr_t offset
75)
76{
77 return (void *)((uintptr_t)base + offset);
78}
79
93static inline void *_Addresses_Subtract_offset (
94 const void *base,
95 uintptr_t offset
96)
97{
98 return (void *)((uintptr_t)base - offset);
99}
100
112static inline intptr_t _Addresses_Subtract(
113 const void *left,
114 const void *right
115)
116{
117 return (intptr_t) ( (const char *) left - (const char *) right );
118}
119
132static inline bool _Addresses_Is_aligned(
133 const void *address
134)
135{
136 return ( (uintptr_t) address % CPU_ALIGNMENT ) == 0;
137}
138
155static inline bool _Addresses_Is_in_range (
156 const void *address,
157 const void *base,
158 const void *limit
159)
160{
161 return (address >= base && address <= limit);
162}
163
177static inline void *_Addresses_Align_up(
178 void *address,
179 size_t alignment
180)
181{
182 uintptr_t mask = alignment - (uintptr_t)1;
183 return (void*)(((uintptr_t)address + mask) & ~mask);
184}
185
199static inline void *_Addresses_Align_down(
200 void *address,
201 size_t alignment
202)
203{
204 uintptr_t mask = alignment - (uintptr_t)1;
205 return (void*)((uintptr_t)address & ~mask);
206}
207
210#ifdef __cplusplus
211}
212#endif
213
214#endif
215/* end of include file */