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 71 #define _STM32_SDRAM1_SECTION_NAME .stm32_sdram1 72 #define _STM32_SDRAM2_SECTION_NAME .stm32_sdram2 73 74 #define _STM32_BACKUP_SRAM_SECTION_NAME .stm32_backup_sram 75 76 #ifdef CONFIG_NOCACHE_MEMORY 77 #define _NOCACHE_SECTION_NAME nocache 78 #endif 79 80 /* Symbol table section */ 81 #if defined(CONFIG_SYMTAB) 82 #define _SYMTAB_INFO_SECTION_NAME .gnu.linkonce.symtab.info 83 #define _SYMTAB_ENTRY_SECTION_NAME .gnu.linkonce.symtab.entry 84 #define _SYMTAB_SECTION_SYMS .gnu.linkonce.symtab* 85 #endif /* CONFIG_SYMTAB */ 86 87 #if defined(CONFIG_LINKER_USE_BOOT_SECTION) 88 #define BOOT_TEXT_SECTION_NAME boot_text 89 #define BOOT_BSS_SECTION_NAME boot_bss 90 #define BOOT_RODATA_SECTION_NAME boot_rodata 91 #define BOOT_DATA_SECTION_NAME boot_data 92 #define BOOT_NOINIT_SECTION_NAME boot_noinit 93 #endif 94 95 #if defined(CONFIG_LINKER_USE_PINNED_SECTION) 96 #define PINNED_TEXT_SECTION_NAME pinned_text 97 #define PINNED_BSS_SECTION_NAME pinned_bss 98 #define PINNED_RODATA_SECTION_NAME pinned_rodata 99 #define PINNED_DATA_SECTION_NAME pinned_data 100 #define PINNED_NOINIT_SECTION_NAME pinned_noinit 101 #endif 102 103 /* Short section references for use in ASM files */ 104 #if defined(_ASMLANGUAGE) 105 /* Various text section names */ 106 #define TEXT text 107 108 /* Various data type section names */ 109 #define BSS bss 110 #define RODATA rodata 111 #define DATA data 112 #define NOINIT noinit 113 114 #if defined(CONFIG_LINKER_USE_BOOT_SECTION) 115 #define BOOT_TEXT BOOT_TEXT_SECTION_NAME 116 #define BOOT_BSS BOOT_BSS_SECTION_NAME 117 #define BOOT_RODATA BOOT_RODATA_SECTION_NAME 118 #define BOOT_DATA BOOT_DATA_SECTION_NAME 119 #define BOOT_NOINIT BOOT_NOINIT_SECTION_NAME 120 #else 121 #define BOOT_TEXT TEXT 122 #define BOOT_BSS BSS 123 #define BOOT_RODATA RODATA 124 #define BOOT_DATA DATA 125 #define BOOT_NOINIT NOINIT 126 #endif /* CONFIG_LINKER_USE_BOOT_SECTION */ 127 128 #if defined(CONFIG_LINKER_USE_PINNED_SECTION) 129 #define PINNED_TEXT PINNED_TEXT_SECTION_NAME 130 #define PINNED_BSS PINNED_BSS_SECTION_NAME 131 #define PINNED_RODATA PINNED_RODATA_SECTION_NAME 132 #define PINNED_DATA PINNED_DATA_SECTION_NAME 133 #define PINNED_NOINIT PINNED_NOINIT_SECTION_NAME 134 #else 135 #define PINNED_TEXT TEXT 136 #define PINNED_BSS BSS 137 #define PINNED_RODATA RODATA 138 #define PINNED_DATA DATA 139 #define PINNED_NOINIT NOINIT 140 #endif /* CONFIG_LINKER_USE_PINNED_SECTION */ 141 142 #endif /* _ASMLANGUAGE */ 143 144 #include <zephyr/linker/section_tags.h> 145 146 #endif /* ZEPHYR_INCLUDE_LINKER_SECTIONS_H_ */ 147