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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 __LINKER_TOOL_GCC_H
#define __LINKER_TOOL_GCC_H
#if defined(CONFIG_ARM)
OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
#elif defined(CONFIG_ARC)
OUTPUT_FORMAT("elf32-littlearc", "elf32-bigarc", "elf32-littlearc")
#elif defined(CONFIG_X86)
#if defined(__IAMCU)
OUTPUT_FORMAT("elf32-iamcu")
OUTPUT_ARCH(iamcu:intel)
#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_RISCV32)
OUTPUT_ARCH(riscv)
OUTPUT_FORMAT("elf32-littleriscv")
#elif defined(CONFIG_XTENSA)
/* Not needed */
#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)
/*
* 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.
*/
#define GROUP_LINK_IN(where) > where
/*
* As GROUP_LINK_IN(), but takes a second argument indicating the
* memory region (e.g. "ROM") for the load address. Used for
* initialized data sections that on XIP platforms must be copied at
* startup.
*
* And, because output directives in GNU ld are "sticky", this must
* also be used on the first section *after* such an initialized data
* section, specifying the same memory region (e.g. "RAM") for both
* vregion and lregion.
*/
#ifdef CONFIG_XIP
#define GROUP_DATA_LINK_IN(vregion, lregion) > vregion AT> lregion
#else
#define GROUP_DATA_LINK_IN(vregion, lregion) > vregion
#endif
/*
* The GROUP_FOLLOWS_AT() macro is located at the end of the section
* and indicates that the section does not specify an address at which
* it is to be loaded, but that it follows a section which did specify
* such an address
*/
#define GROUP_FOLLOWS_AT(where) AT > where
/*
* The SECTION_PROLOGUE() macro is used to define the beginning of a section.
* The <name> parameter is the name of the section, and the <option> parameter
* is to include any special options such as (NOLOAD). Page alignment has its
* own parameter since it needs abstraction across the different toolchains.
* If not required, the <options> and <align> parameters should be left blank.
*/
#define SECTION_PROLOGUE(name, options, align) name options : align
/*
* 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_LINK_IN_LMA to specify the correct output load address.
*/
#ifdef CONFIG_XIP
#define SECTION_DATA_PROLOGUE(name, options, align) \
name options : ALIGN_WITH_INPUT align
#else
#define SECTION_DATA_PROLOGUE(name, options, align) name options : align
#endif
#define SORT_BY_NAME(x) SORT(x)
#define OPTIONAL
#define COMMON_SYMBOLS *(COMMON)
#endif /* !__LINKER_TOOL_GCC_H */
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