Zephyr API Documentation  2.7.0-rc2
A Scalable Open Source RTOS
sections.h
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1/*
2 * Copyright (c) 2013-2014, Wind River Systems, Inc.
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
15#ifndef ZEPHYR_INCLUDE_LINKER_SECTIONS_H_
16#define ZEPHYR_INCLUDE_LINKER_SECTIONS_H_
17
18#define _TEXT_SECTION_NAME text
19#define _RODATA_SECTION_NAME rodata
20#define _CTOR_SECTION_NAME ctors
21/* Linker issue with XIP where the name "data" cannot be used */
22#define _DATA_SECTION_NAME datas
23#define _BSS_SECTION_NAME bss
24#define _NOINIT_SECTION_NAME noinit
25
26#define _APP_SMEM_SECTION_NAME app_smem
27#define _APP_DATA_SECTION_NAME app_datas
28#define _APP_BSS_SECTION_NAME app_bss
29#define _APP_NOINIT_SECTION_NAME app_noinit
30
31#define _APP_SMEM_PINNED_SECTION_NAME app_smem_pinned
32
33#define _UNDEFINED_SECTION_NAME undefined
34
35/* Interrupts */
36#define _IRQ_VECTOR_TABLE_SECTION_NAME .gnu.linkonce.irq_vector_table
37#define _IRQ_VECTOR_TABLE_SECTION_SYMS .gnu.linkonce.irq_vector_table*
38
39#define _SW_ISR_TABLE_SECTION_NAME .gnu.linkonce.sw_isr_table
40#define _SW_ISR_TABLE_SECTION_SYMS .gnu.linkonce.sw_isr_table*
41
42/* Architecture-specific sections */
43#if defined(CONFIG_ARM)
44#define _KINETIS_FLASH_CONFIG_SECTION_NAME kinetis_flash_config
45#define _TI_CCFG_SECTION_NAME .ti_ccfg
46
47#define _CCM_DATA_SECTION_NAME .ccm_data
48#define _CCM_BSS_SECTION_NAME .ccm_bss
49#define _CCM_NOINIT_SECTION_NAME .ccm_noinit
50
51#define _ITCM_SECTION_NAME .itcm
52
53#define _DTCM_DATA_SECTION_NAME .dtcm_data
54#define _DTCM_BSS_SECTION_NAME .dtcm_bss
55#define _DTCM_NOINIT_SECTION_NAME .dtcm_noinit
56#endif
57
58#define _IMX_BOOT_CONF_SECTION_NAME .boot_hdr.conf
59#define _IMX_BOOT_DATA_SECTION_NAME .boot_hdr.data
60#define _IMX_BOOT_IVT_SECTION_NAME .boot_hdr.ivt
61#define _IMX_BOOT_DCD_SECTION_NAME .boot_hdr.dcd_data
62
63#define _STM32_SDRAM1_SECTION_NAME .stm32_sdram1
64#define _STM32_SDRAM2_SECTION_NAME .stm32_sdram2
65
66#define _STM32_BACKUP_SRAM_SECTION_NAME .stm32_backup_sram
67
68#ifdef CONFIG_NOCACHE_MEMORY
69#define _NOCACHE_SECTION_NAME nocache
70#endif
71
72#if defined(CONFIG_LINKER_USE_BOOT_SECTION)
73#define BOOT_TEXT_SECTION_NAME boot_text
74#define BOOT_BSS_SECTION_NAME boot_bss
75#define BOOT_RODATA_SECTION_NAME boot_rodata
76#define BOOT_DATA_SECTION_NAME boot_data
77#define BOOT_NOINIT_SECTION_NAME boot_noinit
78#endif
79
80#if defined(CONFIG_LINKER_USE_PINNED_SECTION)
81#define PINNED_TEXT_SECTION_NAME pinned_text
82#define PINNED_BSS_SECTION_NAME pinned_bss
83#define PINNED_RODATA_SECTION_NAME pinned_rodata
84#define PINNED_DATA_SECTION_NAME pinned_data
85#define PINNED_NOINIT_SECTION_NAME pinned_noinit
86#endif
87
88/* Short section references for use in ASM files */
89#if defined(_ASMLANGUAGE)
90/* Various text section names */
91#define TEXT text
92
93/* Various data type section names */
94#define BSS bss
95#define RODATA rodata
96#define DATA data
97#define NOINIT noinit
98
99#if defined(CONFIG_LINKER_USE_BOOT_SECTION)
100#define BOOT_TEXT BOOT_TEXT_SECTION_NAME
101#define BOOT_BSS BOOT_BSS_SECTION_NAME
102#define BOOT_RODATA BOOT_RODATA_SECTION_NAME
103#define BOOT_DATA BOOT_DATA_SECTION_NAME
104#define BOOT_NOINIT BOOT_NOINIT_SECTION_NAME
105#else
106#define BOOT_TEXT TEXT
107#define BOOT_BSS BSS
108#define BOOT_RODATA RODATA
109#define BOOT_DATA DATA
110#define BOOT_NOINIT NOINIT
111#endif /* CONFIG_LINKER_USE_BOOT_SECTION */
112
113#if defined(CONFIG_LINKER_USE_PINNED_SECTION)
114#define PINNED_TEXT PINNED_TEXT_SECTION_NAME
115#define PINNED_BSS PINNED_BSS_SECTION_NAME
116#define PINNED_RODATA PINNED_RODATA_SECTION_NAME
117#define PINNED_DATA PINNED_DATA_SECTION_NAME
118#define PINNED_NOINIT PINNED_NOINIT_SECTION_NAME
119#else
120#define PINNED_TEXT TEXT
121#define PINNED_BSS BSS
122#define PINNED_RODATA RODATA
123#define PINNED_DATA DATA
124#define PINNED_NOINIT NOINIT
125#endif /* CONFIG_LINKER_USE_PINNED_SECTION */
126
127#endif /* _ASMLANGUAGE */
128
129#include <linker/section_tags.h>
130
131#endif /* ZEPHYR_INCLUDE_LINKER_SECTIONS_H_ */