更新日期: 2022/06/01 来源: https://gitee.com/weharmony/kernel_liteos_a_note
los_user_init.h
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1/*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _LOS_USER_INIT_H
33#define _LOS_USER_INIT_H
34
35#include "los_typedef.h"
36
37#ifdef __cplusplus
38#if __cplusplus
39extern "C" {
40#endif /* __cplusplus */
41#endif /* __cplusplus */
42
43#ifndef LITE_USER_SEC_TEXT
44#define LITE_USER_SEC_TEXT __attribute__((section(".user.text")))//用户态进程文本段
45#endif
46
47#ifndef LITE_USER_SEC_ENTRY
48#define LITE_USER_SEC_ENTRY __attribute__((section(".user.entry")))//用户态进程的地址
49#endif
50
51#ifndef LITE_USER_SEC_DATA
52#define LITE_USER_SEC_DATA __attribute__((section(".user.data")))//用户态进程数据段,放置初始化为0的变量,编译在ELF中
53#endif
54
55#ifndef LITE_USER_SEC_RODATA
56#define LITE_USER_SEC_RODATA __attribute__((section(".user.rodata")))//用户态进程常量段,编译在ELF中
57#endif
58
59#ifndef LITE_USER_SEC_BSS
60#define LITE_USER_SEC_BSS __attribute__((section(".user.bss")))//用户态进程全局变量段,放置未初始化变量
61#endif
62
63
64#ifdef __cplusplus
65#if __cplusplus
66}
67#endif /* __cplusplus */
68#endif /* __cplusplus */
69
70#endif
los_typedef.h