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- /*
- * Copyright (c) 2013-2014, Wind River Systems, Inc.
- *
- * SPDX-License-Identifier: Apache-2.0
- */
- /**
- * @file
- * @brief GCC toolchain linker defs
- *
- * This header file defines the necessary macros used by the linker script for
- * use with the GCC linker.
- */
- #ifndef ZEPHYR_INCLUDE_LINKER_LINKER_TOOL_GCC_H_
- #define ZEPHYR_INCLUDE_LINKER_LINKER_TOOL_GCC_H_
- #include <sys/mem_manage.h>
- #if defined(CONFIG_ARM)
- #if defined(CONFIG_BIG_ENDIAN)
- #define OUTPUT_FORMAT_ "elf32-bigarm"
- #else
- #define OUTPUT_FORMAT_ "elf32-littlearm"
- #endif
- OUTPUT_FORMAT(OUTPUT_FORMAT_)
- #elif defined(CONFIG_ARM64)
- OUTPUT_FORMAT("elf64-littleaarch64")
- #elif defined(CONFIG_ARC)
- #if defined(CONFIG_64BIT)
- OUTPUT_FORMAT("elf64-littlearc")
- #else
- OUTPUT_FORMAT("elf32-littlearc", "elf32-bigarc", "elf32-littlearc")
- #endif
- #elif defined(CONFIG_X86)
- #if defined(CONFIG_X86_64)
- OUTPUT_FORMAT("elf64-x86-64")
- OUTPUT_ARCH("i386:x86-64")
- #else
- OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
- OUTPUT_ARCH("i386")
- #endif
- #elif defined(CONFIG_NIOS2)
- OUTPUT_FORMAT("elf32-littlenios2", "elf32-bignios2", "elf32-littlenios2")
- #elif defined(CONFIG_RISCV)
- OUTPUT_ARCH("riscv")
- #ifdef CONFIG_64BIT
- OUTPUT_FORMAT("elf64-littleriscv")
- #else
- OUTPUT_FORMAT("elf32-littleriscv")
- #endif
- #elif defined(CONFIG_XTENSA)
- /* Not needed */
- #elif defined(CONFIG_ARCH_POSIX)
- /* Not needed */
- #elif defined(CONFIG_SPARC)
- OUTPUT_FORMAT("elf32-sparc")
- #else
- #error Arch not supported.
- #endif
- /*
- * The GROUP_START() and GROUP_END() macros are used to define a group
- * of sections located in one memory area, such as RAM, ROM, etc.
- * The <where> parameter is the name of the memory area.
- */
- #define GROUP_START(where)
- #define GROUP_END(where)
- /**
- * @def GROUP_LINK_IN
- *
- * Route memory to a specified memory area
- *
- * The GROUP_LINK_IN() macro is located at the end of the section
- * description and tells the linker that this section is located in
- * the memory area specified by 'where' argument.
- *
- * This macro is intentionally undefined for CONFIG_MMU systems when
- * CONFIG_KERNEL_VM_BASE is not the same as CONFIG_SRAM_BASE_ADDRESS,
- * as both the LMA and VMA destinations must be known for all sections
- * as this corresponds to physical vs. virtual location.
- *
- * @param where Destination memory area
- */
- #if defined(CONFIG_ARCH_POSIX)
- #define GROUP_LINK_IN(where)
- #elif !defined(Z_VM_KERNEL)
- #define GROUP_LINK_IN(where) > where
- #endif
- /**
- * @def GROUP_ROM_LINK_IN
- *
- * Route memory for a read-only section
- *
- * The GROUP_ROM_LINK_IN() macro is located at the end of the section
- * description and tells the linker that this a read-only section
- * that is physically placed at the 'lregion` argument.
- *
- * If CONFIG_XIP is active, the 'lregion' area is flash memory.
- *
- * If CONFIG_MMU is active, the vregion argument will be used to
- * determine where this is located in the virtual memory map, otherwise
- * it is ignored.
- *
- * @param vregion Output VMA (only used if CONFIG_MMU where LMA != VMA)
- * @param lregion Output LMA
- */
- #if defined(CONFIG_ARCH_POSIX)
- #define GROUP_ROM_LINK_IN(vregion, lregion)
- #elif defined(Z_VM_KERNEL)
- #define GROUP_ROM_LINK_IN(vregion, lregion) > vregion AT > lregion
- #else
- #define GROUP_ROM_LINK_IN(vregion, lregion) > lregion
- #endif
- /**
- * @def GROUP_DATA_LINK_IN
- *
- * Route memory for read-write sections that are loaded.
- *
- * Used for initialized data sections that on XIP platforms must be copied at
- * startup.
- *
- * @param vregion Output VMA
- * @param lregion Output LMA (only used if CONFIG_MMU if VMA != LMA,
- * or CONFIG_XIP)
- */
- #if defined(CONFIG_ARCH_POSIX)
- #define GROUP_DATA_LINK_IN(vregion, lregion)
- #elif defined(CONFIG_XIP) || defined(Z_VM_KERNEL)
- #define GROUP_DATA_LINK_IN(vregion, lregion) > vregion AT > lregion
- #else
- #define GROUP_DATA_LINK_IN(vregion, lregion) > vregion
- #endif
- /**
- * @def GROUP_NOLOAD_LINK_IN
- *
- * Route memory for read-write sections that are NOT loaded; typically this
- * is only used for 'BSS' and 'noinit'.
- *
- * @param vregion Output VMA
- * @param lregion Output LMA (only used if CONFIG_MMU if VMA != LMA,
- * corresponds to physical location)
- */
- #if defined(CONFIG_ARCH_POSIX)
- #define GROUP_NOLOAD_LINK_IN(vregion, lregion)
- #elif defined(Z_VM_KERNEL)
- #define GROUP_NOLOAD_LINK_IN(vregion, lregion) > vregion AT > lregion
- #elif defined(CONFIG_XIP)
- #define GROUP_NOLOAD_LINK_IN(vregion, lregion) > vregion AT > vregion
- #else
- #define GROUP_NOLOAD_LINK_IN(vregion, lregion) > vregion
- #endif
- /**
- * @def SECTION_PROLOGUE
- *
- * The SECTION_PROLOGUE() macro is used to define the beginning of a section.
- *
- * On MMU systems where VMA != LMA there is an implicit ALIGN_WITH_INPUT
- * specified.
- *
- * @param name Name of the output sectio
- * @param options Section options, such as (NOLOAD), or left blank
- * @param align Alignment directives, such as SUBALIGN(). ALIGN() itself is
- * not allowed. May be blank.
- */
- #ifdef Z_VM_KERNEL
- /* If we have a virtual memory map we need ALIGN_WITH_INPUT in all sections */
- #define SECTION_PROLOGUE(name, options, align) \
- name options : ALIGN_WITH_INPUT align
- #else
- #define SECTION_PROLOGUE(name, options, align) \
- name options : align
- #endif
- /**
- * @def SECTION_DATA_PROLOGUE
- *
- * Same as for SECTION_PROLOGUE(), except that this one must be used
- * for data sections which on XIP platforms will have differing
- * virtual and load addresses (i.e. they'll be copied into RAM at
- * program startup). Such a section must also use
- * GROUP_DATA_LINK_IN to specify the correct output load address.
- *
- * This is equivalent to SECTION_PROLOGUE() on non-XIP systems.
- * On XIP systems there is an implicit ALIGN_WITH_INPUT specified.
- *
- * @param name Name of the output sectio
- * @param options Section options, or left blank
- * @param align Alignment directives, such as SUBALIGN(). ALIGN() itself is
- * not allowed. May be blank.
- */
- #if defined(CONFIG_XIP)
- #define SECTION_DATA_PROLOGUE(name, options, align) \
- name options : ALIGN_WITH_INPUT align
- #else
- #define SECTION_DATA_PROLOGUE(name, options, align) \
- SECTION_PROLOGUE(name, options, align)
- #endif
- #define COMMON_SYMBOLS *(COMMON)
- #endif /* ZEPHYR_INCLUDE_LINKER_LINKER_TOOL_GCC_H_ */
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