linker: move all linker headers to include/linker
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif
Kumar Gala
parent
be366b7ba6
commit
397d29db42
151 changed files with 186 additions and 186 deletions
159
include/linker/linker-defs.h
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159
include/linker/linker-defs.h
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/*
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* Copyright (c) 2013-2014, Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* DESCRIPTION
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* Platform independent, commonly used macros and defines related to linker
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* script.
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*
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* This file may be included by:
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* - Linker script files: for linker section declarations
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* - C files: for external declaration of address or size of linker section
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* - Assembly files: for external declaration of address or size of linker
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* section
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*/
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#ifndef _LINKERDEFS_H
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#define _LINKERDEFS_H
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#include <toolchain.h>
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#include <linker/sections.h>
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/* include platform dependent linker-defs */
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#ifdef CONFIG_X86
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/* Nothing yet to include */
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#elif defined(CONFIG_ARM)
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/* Nothing yet to include */
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#elif defined(CONFIG_ARC)
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/* Nothing yet to include */
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#elif defined(CONFIG_NIOS2)
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/* Nothing yet to include */
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#elif defined(CONFIG_RISCV32)
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/* Nothing yet to include */
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#elif defined(CONFIG_XTENSA)
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/* Nothing yet to include */
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#else
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#error Arch not supported.
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#endif
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#ifdef _LINKER
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/*
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* Space for storing per device busy bitmap. Since we do not know beforehand
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* the number of devices, we go through the below mechanism to allocate the
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* required space.
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*/
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#ifdef CONFIG_DEVICE_POWER_MANAGEMENT
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#define DEVICE_COUNT \
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((__device_init_end - __device_init_start) / _DEVICE_STRUCT_SIZE)
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#define DEV_BUSY_SZ (((DEVICE_COUNT + 31) / 32) * 4)
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#define DEVICE_BUSY_BITFIELD() \
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FILL(0x00) ; \
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__device_busy_start = .; \
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. = . + DEV_BUSY_SZ; \
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__device_busy_end = .;
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#else
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#define DEVICE_BUSY_BITFIELD()
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#endif
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/*
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* generate a symbol to mark the start of the device initialization objects for
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* the specified level, then link all of those objects (sorted by priority);
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* ensure the objects aren't discarded if there is no direct reference to them
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*/
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#define DEVICE_INIT_LEVEL(level) \
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__device_##level##_start = .; \
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KEEP(*(SORT(.init_##level[0-9]))); \
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KEEP(*(SORT(.init_##level[1-9][0-9]))); \
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/*
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* link in device initialization objects for all devices that are automatically
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* initialized by the kernel; the objects are sorted in the order they will be
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* initialized (i.e. ordered by level, sorted by priority within a level)
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*/
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#define DEVICE_INIT_SECTIONS() \
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__device_init_start = .; \
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DEVICE_INIT_LEVEL(PRE_KERNEL_1) \
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DEVICE_INIT_LEVEL(PRE_KERNEL_2) \
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DEVICE_INIT_LEVEL(POST_KERNEL) \
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DEVICE_INIT_LEVEL(APPLICATION) \
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__device_init_end = .; \
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DEVICE_BUSY_BITFIELD() \
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/* define a section for undefined device initialization levels */
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#define DEVICE_INIT_UNDEFINED_SECTION() \
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KEEP(*(SORT(.init_[_A-Z0-9]*))) \
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/*
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* link in shell initialization objects for all modules that use shell and
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* their shell commands are automatically initialized by the kernel.
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*/
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#define SHELL_INIT_SECTIONS() \
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__shell_cmd_start = .; \
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KEEP(*(".shell_*")); \
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__shell_cmd_end = .;
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#ifdef CONFIG_X86 /* LINKER FILES: defines used by linker script */
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/* Should be moved to linker-common-defs.h */
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#if defined(CONFIG_XIP)
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#define ROMABLE_REGION ROM
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#else
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#define ROMABLE_REGION RAM
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#endif
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#endif
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/*
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* If image is loaded via kexec Linux system call, then program
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* headers need to be page aligned.
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* This can be done by section page aligning.
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*/
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#ifdef CONFIG_BOOTLOADER_KEXEC
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#define KEXEC_PGALIGN_PAD(x) . = ALIGN(x);
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#else
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#define KEXEC_PGALIGN_PAD(x)
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#endif
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#elif defined(_ASMLANGUAGE)
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/* Assembly FILES: declaration defined by the linker script */
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GDATA(__bss_start)
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GDATA(__bss_num_words)
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#ifdef CONFIG_XIP
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GDATA(__data_rom_start)
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GDATA(__data_ram_start)
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GDATA(__data_num_words)
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#endif
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#else /* ! _ASMLANGUAGE */
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#include <zephyr/types.h>
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extern char __bss_start[];
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extern char __bss_end[];
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#ifdef CONFIG_XIP
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extern char __data_rom_start[];
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extern char __data_ram_start[];
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extern char __data_ram_end[];
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#endif
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extern char _image_rom_start[];
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extern char _image_rom_end[];
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extern char _image_ram_start[];
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extern char _image_ram_end[];
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extern char _image_text_start[];
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extern char _image_text_end[];
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/* end address of image. */
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extern char _end[];
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#endif /* ! _ASMLANGUAGE */
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#endif /* _LINKERDEFS_H */
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110
include/linker/linker-tool-gcc.h
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110
include/linker/linker-tool-gcc.h
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/*
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* Copyright (c) 2013-2014, Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief GCC toolchain linker defs
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*
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* This header file defines the necessary macros used by the linker script for
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* use with the GCC linker.
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*/
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#ifndef __LINKER_TOOL_GCC_H
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#define __LINKER_TOOL_GCC_H
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#if defined(CONFIG_ARM)
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OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
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#elif defined(CONFIG_ARC)
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OUTPUT_FORMAT("elf32-littlearc", "elf32-bigarc", "elf32-littlearc")
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#elif defined(CONFIG_X86)
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#if defined(__IAMCU)
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OUTPUT_FORMAT("elf32-iamcu")
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OUTPUT_ARCH(iamcu:intel)
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#else
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OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
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OUTPUT_ARCH(i386)
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#endif
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#elif defined(CONFIG_NIOS2)
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OUTPUT_FORMAT("elf32-littlenios2", "elf32-bignios2", "elf32-littlenios2")
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#elif defined(CONFIG_RISCV32)
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OUTPUT_ARCH(riscv)
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OUTPUT_FORMAT("elf32-littleriscv")
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#elif defined(CONFIG_XTENSA)
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/* Not needed */
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#else
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#error Arch not supported.
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#endif
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/*
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* The GROUP_START() and GROUP_END() macros are used to define a group
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* of sections located in one memory area, such as RAM, ROM, etc.
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* The <where> parameter is the name of the memory area.
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*/
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#define GROUP_START(where)
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#define GROUP_END(where)
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/*
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* The GROUP_LINK_IN() macro is located at the end of the section
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* description and tells the linker that this section is located in
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* the memory area specified by <where> argument.
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*/
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#define GROUP_LINK_IN(where) > where
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/*
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* As GROUP_LINK_IN(), but takes a second argument indicating the
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* memory region (e.g. "ROM") for the load address. Used for
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* initialized data sections that on XIP platforms must be copied at
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* startup.
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*
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* And, because output directives in GNU ld are "sticky", this must
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* also be used on the first section *after* such an initialized data
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* section, specifying the same memory region (e.g. "RAM") for both
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* vregion and lregion.
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*/
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#ifdef CONFIG_XIP
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#define GROUP_DATA_LINK_IN(vregion, lregion) > vregion AT> lregion
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#else
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#define GROUP_DATA_LINK_IN(vregion, lregion) > vregion
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#endif
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/*
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* The GROUP_FOLLOWS_AT() macro is located at the end of the section
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* and indicates that the section does not specify an address at which
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* it is to be loaded, but that it follows a section which did specify
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* such an address
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*/
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#define GROUP_FOLLOWS_AT(where) AT > where
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/*
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* The SECTION_PROLOGUE() macro is used to define the beginning of a section.
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* The <name> parameter is the name of the section, and the <option> parameter
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* is to include any special options such as (NOLOAD). Page alignment has its
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* own parameter since it needs abstraction across the different toolchains.
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* If not required, the <options> and <align> parameters should be left blank.
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*/
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#define SECTION_PROLOGUE(name, options, align) name options : align
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/*
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* As for SECTION_PROLOGUE(), except that this one must (!) be used
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* for data sections which on XIP platforms will have differing
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* virtual and load addresses (i.e. they'll be copied into RAM at
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* program startup). Such a section must (!) also use
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* GROUP_LINK_IN_LMA to specify the correct output load address.
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*/
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#ifdef CONFIG_XIP
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#define SECTION_DATA_PROLOGUE(name, options, align) \
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name options : ALIGN_WITH_INPUT align
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#else
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#define SECTION_DATA_PROLOGUE(name, options, align) name options : align
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#endif
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#define SORT_BY_NAME(x) SORT(x)
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#define OPTIONAL
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#define COMMON_SYMBOLS *(COMMON)
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#endif /* !__LINKER_TOOL_GCC_H */
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26
include/linker/linker-tool.h
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26
include/linker/linker-tool.h
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/*
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* Copyright (c) 2013-2014, Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Toolchain-agnostic linker defs
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*
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* This header file is used to automatically select the proper set of macro
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* definitions (based on the toolchain) for the linker script.
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*/
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#ifndef __LINKER_TOOL_H
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#define __LINKER_TOOL_H
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#if defined(_LINKER)
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#if defined(__GCC_LINKER_CMD__)
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#include <linker/linker-tool-gcc.h>
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#else
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#error "Unknown toolchain"
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#endif
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#endif
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#endif /* !__LINKER_TOOL_H */
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27
include/linker/section_tags.h
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27
include/linker/section_tags.h
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/* Macros for tagging symbols and putting them in the correct sections. */
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/*
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* Copyright (c) 2013-2014, Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _section_tags__h_
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#define _section_tags__h_
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#include <toolchain.h>
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#if !defined(_ASMLANGUAGE)
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#define __noinit __in_section_unique(NOINIT)
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#define __irq_vector_table _GENERIC_SECTION(IRQ_VECTOR_TABLE)
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#define __sw_isr_table _GENERIC_SECTION(SW_ISR_TABLE)
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#if defined(CONFIG_ARM)
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#define __kinetis_flash_config_section __in_section_unique(KINETIS_FLASH_CONFIG)
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#define __ti_ccfg_section _GENERIC_SECTION(TI_CCFG)
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#endif /* CONFIG_ARM */
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#endif /* !_ASMLANGUAGE */
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#endif /* _section_tags__h_ */
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54
include/linker/sections.h
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54
include/linker/sections.h
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@ -0,0 +1,54 @@
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/*
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* Copyright (c) 2013-2014, Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Definitions of various linker Sections.
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*
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* Linker Section declarations used by linker script, C files and Assembly
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* files.
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*/
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#ifndef _SECTIONS_H
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#define _SECTIONS_H
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#define _TEXT_SECTION_NAME text
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#define _RODATA_SECTION_NAME rodata
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#define _CTOR_SECTION_NAME ctors
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/* Linker issue with XIP where the name "data" cannot be used */
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#define _DATA_SECTION_NAME datas
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#define _BSS_SECTION_NAME bss
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#define _NOINIT_SECTION_NAME noinit
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#define _UNDEFINED_SECTION_NAME undefined
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/* Various text section names */
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#define TEXT text
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#if defined(CONFIG_X86)
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#define TEXT_START text_start /* beginning of TEXT section */
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#else
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#define TEXT_START text /* beginning of TEXT section */
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#endif
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/* Various data type section names */
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#define BSS bss
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#define RODATA rodata
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#define DATA data
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#define NOINIT noinit
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/* Interrupts */
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#define IRQ_VECTOR_TABLE .gnu.linkonce.irq_vector_table
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#define SW_ISR_TABLE .gnu.linkonce.sw_isr_table
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/* Architecture-specific sections */
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#if defined(CONFIG_ARM)
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#define KINETIS_FLASH_CONFIG kinetis_flash_config
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#define TI_CCFG .ti_ccfg
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#endif
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#include <linker/section_tags.h>
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#endif /* _SECTIONS_H */
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