1 /* 2 * Copyright (c) 2013-2014, Wind River Systems, Inc. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 /** 8 * @file 9 * @brief Definitions of various linker Sections. 10 * 11 * Linker Section declarations used by linker script, C files and Assembly 12 * files. 13 */ 14 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 #ifdef CONFIG_SHARED_INTERRUPTS 43 #define _SHARED_SW_ISR_TABLE_SECTION_NAME .gnu.linkonce.shared_sw_isr_table 44 #define _SHARED_SW_ISR_TABLE_SECTION_SYMS .gnu.linkonce.shared_sw_isr_table* 45 #endif /* CONFIG_SHARED_INTERRUPTS */ 46 47 /* Architecture-specific sections */ 48 #if defined(CONFIG_ARM) 49 #define _KINETIS_FLASH_CONFIG_SECTION_NAME kinetis_flash_config 50 #define _TI_CCFG_SECTION_NAME .ti_ccfg 51 52 #define _CCM_DATA_SECTION_NAME .ccm_data 53 #define _CCM_BSS_SECTION_NAME .ccm_bss 54 #define _CCM_NOINIT_SECTION_NAME .ccm_noinit 55 56 #define _ITCM_SECTION_NAME .itcm 57 58 #define _DTCM_DATA_SECTION_NAME .dtcm_data 59 #define _DTCM_BSS_SECTION_NAME .dtcm_bss 60 #define _DTCM_NOINIT_SECTION_NAME .dtcm_noinit 61 62 #define _OCM_DATA_SECTION_NAME .ocm_data 63 #define _OCM_BSS_SECTION_NAME .ocm_bss 64 #endif 65 66 #define _IMX_BOOT_CONF_SECTION_NAME .boot_hdr.conf 67 #define _IMX_BOOT_DATA_SECTION_NAME .boot_hdr.data 68 #define _IMX_BOOT_IVT_SECTION_NAME .boot_hdr.ivt 69 #define _IMX_BOOT_DCD_SECTION_NAME .boot_hdr.dcd_data 70 #define _IMX_BOOT_CONTAINER_SECTION_NAME .boot_hdr.container 71 72 #define _STM32_SDRAM1_SECTION_NAME .stm32_sdram1 73 #define _STM32_SDRAM2_SECTION_NAME .stm32_sdram2 74 75 #define _STM32_BACKUP_SRAM_SECTION_NAME .stm32_backup_sram 76 77 #ifdef CONFIG_NOCACHE_MEMORY 78 #define _NOCACHE_SECTION_NAME nocache 79 #endif 80 81 /* Symbol table section */ 82 #if defined(CONFIG_SYMTAB) 83 #define _SYMTAB_INFO_SECTION_NAME .gnu.linkonce.symtab.info 84 #define _SYMTAB_ENTRY_SECTION_NAME .gnu.linkonce.symtab.entry 85 #define _SYMTAB_SECTION_SYMS .gnu.linkonce.symtab* 86 #endif /* CONFIG_SYMTAB */ 87 88 #if defined(CONFIG_LINKER_USE_BOOT_SECTION) 89 #define BOOT_TEXT_SECTION_NAME boot_text 90 #define BOOT_BSS_SECTION_NAME boot_bss 91 #define BOOT_RODATA_SECTION_NAME boot_rodata 92 #define BOOT_DATA_SECTION_NAME boot_data 93 #define BOOT_NOINIT_SECTION_NAME boot_noinit 94 #endif 95 96 #if defined(CONFIG_LINKER_USE_PINNED_SECTION) 97 #define PINNED_TEXT_SECTION_NAME pinned_text 98 #define PINNED_BSS_SECTION_NAME pinned_bss 99 #define PINNED_RODATA_SECTION_NAME pinned_rodata 100 #define PINNED_DATA_SECTION_NAME pinned_data 101 #define PINNED_NOINIT_SECTION_NAME pinned_noinit 102 #endif 103 104 #if defined(CONFIG_LINKER_USE_ONDEMAND_SECTION) 105 #define ONDEMAND_TEXT_SECTION_NAME ondemand_text 106 #define ONDEMAND_RODATA_SECTION_NAME ondemand_rodata 107 #endif 108 109 /* Short section references for use in ASM files */ 110 #if defined(_ASMLANGUAGE) 111 /* Various text section names */ 112 #define TEXT text 113 114 /* Various data type section names */ 115 #define BSS bss 116 #define RODATA rodata 117 #define DATA data 118 #define NOINIT noinit 119 120 #if defined(CONFIG_LINKER_USE_BOOT_SECTION) 121 #define BOOT_TEXT BOOT_TEXT_SECTION_NAME 122 #define BOOT_BSS BOOT_BSS_SECTION_NAME 123 #define BOOT_RODATA BOOT_RODATA_SECTION_NAME 124 #define BOOT_DATA BOOT_DATA_SECTION_NAME 125 #define BOOT_NOINIT BOOT_NOINIT_SECTION_NAME 126 #else 127 #define BOOT_TEXT TEXT 128 #define BOOT_BSS BSS 129 #define BOOT_RODATA RODATA 130 #define BOOT_DATA DATA 131 #define BOOT_NOINIT NOINIT 132 #endif /* CONFIG_LINKER_USE_BOOT_SECTION */ 133 134 #if defined(CONFIG_LINKER_USE_PINNED_SECTION) 135 #define PINNED_TEXT PINNED_TEXT_SECTION_NAME 136 #define PINNED_BSS PINNED_BSS_SECTION_NAME 137 #define PINNED_RODATA PINNED_RODATA_SECTION_NAME 138 #define PINNED_DATA PINNED_DATA_SECTION_NAME 139 #define PINNED_NOINIT PINNED_NOINIT_SECTION_NAME 140 #else 141 #define PINNED_TEXT TEXT 142 #define PINNED_BSS BSS 143 #define PINNED_RODATA RODATA 144 #define PINNED_DATA DATA 145 #define PINNED_NOINIT NOINIT 146 #endif /* CONFIG_LINKER_USE_PINNED_SECTION */ 147 148 #if defined(CONFIG_LINKER_USE_ONDEMAND_SECTION) 149 #define ONDEMAND_TEXT ONDEMAND_TEXT_SECTION_NAME 150 #define ONDEMAND_RODATA ONDEMAND_RODATA_SECTION_NAME 151 #else 152 #define ONDEMAND_TEXT TEXT 153 #define ONDEMAND_RODATA RODATA 154 #endif /* CONFIG_LINKER_USE_ONDEMAND_SECTION */ 155 156 #endif /* _ASMLANGUAGE */ 157 158 #include <zephyr/linker/section_tags.h> 159 160 #endif /* ZEPHYR_INCLUDE_LINKER_SECTIONS_H_ */ 161