8ce758a8ff
This adds a linker flag and necessary changes to linker scripts so that linker will warn about orphan sections. Relates to #5534. Signed-off-by: Daniel Leung <daniel.leung@intel.com>
184 lines
3.5 KiB
Text
184 lines
3.5 KiB
Text
/*
|
|
* Copyright (c) 2016 Jean-Paul Etienne <fractalclone@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief Linker command/script file
|
|
*
|
|
* Linker script for the pulpino platform
|
|
*/
|
|
|
|
#define _LINKER
|
|
#define _ASMLANGUAGE
|
|
|
|
#include <autoconf.h>
|
|
#include <linker/sections.h>
|
|
|
|
#include <linker/linker-defs.h>
|
|
#include <linker/linker-tool.h>
|
|
|
|
#define ROMABLE_REGION DATARAM
|
|
#define RAMABLE_REGION DATARAM
|
|
|
|
#define _VECTOR_SECTION_NAME vector
|
|
#define _EXCEPTION_SECTION_NAME exceptions
|
|
#define _RESET_SECTION_NAME reset
|
|
|
|
ENTRY(__reset)
|
|
|
|
MEMORY
|
|
{
|
|
INSTRRAM (wx) : ORIGIN = CONFIG_ITCM_BASE_ADDRESS, LENGTH = CONFIG_ITCM_SIZE
|
|
DATARAM (rw) : ORIGIN = CONFIG_DTCM_BASE_ADDRESS, LENGTH = CONFIG_DTCM_SIZE
|
|
/* Used by and documented in include/linker/intlist.ld */
|
|
IDT_LIST (wx) : ORIGIN = 0xFFFFF7FF, LENGTH = 2K
|
|
}
|
|
|
|
ENTRY(CONFIG_KERNEL_ENTRY)
|
|
|
|
SECTIONS
|
|
{
|
|
|
|
#include <linker/rel-sections.ld>
|
|
|
|
/*
|
|
* .plt and .iplt are here according to
|
|
* 'riscv32-zephyr-elf-ld --verbose', before text section.
|
|
*/
|
|
SECTION_PROLOGUE(.plt,,)
|
|
{
|
|
*(.plt)
|
|
}
|
|
|
|
SECTION_PROLOGUE(.iplt,,)
|
|
{
|
|
*(.iplt)
|
|
}
|
|
|
|
GROUP_START(INSTRRAM)
|
|
|
|
SECTION_PROLOGUE(_VECTOR_SECTION_NAME,,)
|
|
{
|
|
. = ALIGN(4);
|
|
KEEP(*(.vectors.*))
|
|
} GROUP_LINK_IN(INSTRRAM)
|
|
|
|
SECTION_PROLOGUE(_RESET_SECTION_NAME,,)
|
|
{
|
|
KEEP(*(.reset.*))
|
|
} GROUP_LINK_IN(INSTRRAM)
|
|
|
|
SECTION_PROLOGUE(_EXCEPTION_SECTION_NAME,,)
|
|
{
|
|
KEEP(*(".exception.entry.*"))
|
|
*(".exception.other.*")
|
|
} GROUP_LINK_IN(INSTRRAM)
|
|
|
|
SECTION_PROLOGUE(_TEXT_SECTION_NAME,,)
|
|
{
|
|
. = ALIGN(4);
|
|
|
|
KEEP(*(.openocd_dbg))
|
|
KEEP(*(".openocd_dbg.*"))
|
|
|
|
_image_text_start = .;
|
|
*(.text)
|
|
*(".text.*")
|
|
*(.gnu.linkonce.t.*)
|
|
*(.eh_frame)
|
|
} GROUP_LINK_IN(INSTRRAM)
|
|
|
|
_image_text_end = .;
|
|
|
|
GROUP_END(INSTRRAM)
|
|
|
|
GROUP_START(RAMABLE_REGION)
|
|
|
|
#include <linker/common-rom.ld>
|
|
|
|
SECTION_PROLOGUE(_RODATA_SECTION_NAME,,)
|
|
{
|
|
. = ALIGN(4);
|
|
#ifdef CONFIG_GEN_SW_ISR_TABLE
|
|
KEEP(*(SW_ISR_TABLE))
|
|
#endif
|
|
*(.rodata)
|
|
*(".rodata.*")
|
|
*(.gnu.linkonce.r.*)
|
|
|
|
#ifdef CONFIG_SOC_RODATA_LD
|
|
#include <soc-rodata.ld>
|
|
#endif
|
|
|
|
} GROUP_LINK_IN(RAMABLE_REGION)
|
|
|
|
_image_ram_start = .;
|
|
|
|
#include <linker/common-ram.ld>
|
|
|
|
SECTION_DATA_PROLOGUE(_DATA_SECTION_NAME,,)
|
|
{
|
|
|
|
. = ALIGN(4);
|
|
*(.data)
|
|
*(".data.*")
|
|
|
|
*(.sdata .sdata.* .gnu.linkonce.s.*)
|
|
*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
|
|
|
|
#ifdef CONFIG_SOC_RWDATA_LD
|
|
#include <soc-rwdata.ld>
|
|
#endif
|
|
|
|
} GROUP_LINK_IN(RAMABLE_REGION)
|
|
|
|
SECTION_DATA_PROLOGUE(_BSS_SECTION_NAME,(NOLOAD),)
|
|
{
|
|
/*
|
|
* For performance, BSS section is assumed to be 4 byte aligned and
|
|
* a multiple of 4 bytes
|
|
*/
|
|
. = ALIGN(4);
|
|
__bss_start = .;
|
|
*(.sbss)
|
|
*(".sbss.*")
|
|
*(.bss)
|
|
*(".bss.*")
|
|
COMMON_SYMBOLS
|
|
/*
|
|
* As memory is cleared in words only, it is simpler to ensure the BSS
|
|
* section ends on a 4 byte boundary. This wastes a maximum of 3 bytes.
|
|
*/
|
|
__bss_end = ALIGN(4);
|
|
} GROUP_LINK_IN(RAMABLE_REGION)
|
|
|
|
SECTION_PROLOGUE(_NOINIT_SECTION_NAME,(NOLOAD),)
|
|
{
|
|
/*
|
|
* This section is used for non-initialized objects that
|
|
* will not be cleared during the boot process.
|
|
*/
|
|
*(.noinit)
|
|
*(".noinit.*")
|
|
|
|
#ifdef CONFIG_SOC_NOINIT_LD
|
|
#include <soc-noinit.ld>
|
|
#endif
|
|
|
|
} GROUP_LINK_IN(RAMABLE_REGION)
|
|
|
|
_image_ram_end = .;
|
|
_end = .; /* end of image */
|
|
|
|
#ifdef CONFIG_GEN_ISR_TABLES
|
|
#include <linker/intlist.ld>
|
|
#endif
|
|
|
|
GROUP_END(RAMABLE_REGION)
|
|
|
|
#include <linker/debug-sections.ld>
|
|
|
|
}
|