linker-tool-gcc.h

Go to the documentation of this file.

/*
 * Copyright (c) 2013-2014, Wind River Systems, Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#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)
 
#if defined(CONFIG_ARCH_POSIX)
#define GROUP_LINK_IN(where)
#elif !defined(Z_VM_KERNEL)
#define GROUP_LINK_IN(where) > where
#endif
 
#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
 
#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
 
#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
 
#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
 
#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_ */