blob: b4f9218386bc141b066b02d40e36fc802f131304 [file] [log] [blame]
/*
* Copyright (c) 2017,2021 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifdef CONFIG_USERSPACE
/* During LINKER_KOBJECT_PREBUILT and LINKER_ZEPHYR_PREBUILT,
* space needs to be reserved for the rodata that will be
* produced by gperf during the final stages of linking.
* The alignment and size are produced by
* scripts/gen_kobject_placeholders.py. These are here
* so the addresses to kobjects would remain the same
* during the final stages of linking (LINKER_ZEPHYR_FINAL).
*/
#if defined(LINKER_ZEPHYR_PREBUILT)
#include <linker-kobject-prebuilt-rodata.h>
#ifdef KOBJECT_RODATA_ALIGN
. = ALIGN(KOBJECT_RODATA_ALIGN);
_kobject_rodata_area_start = .;
. = . + KOBJECT_RODATA_SZ;
_kobject_rodata_area_end = .;
#endif
#endif /* LINKER_ZEPHYR_PREBUILT */
#if defined(LINKER_ZEPHYR_FINAL)
#include <linker-kobject-prebuilt-rodata.h>
#ifdef KOBJECT_RODATA_ALIGN
. = ALIGN(KOBJECT_RODATA_ALIGN);
_kobject_rodata_area_start = .;
#endif
*(".kobject_data.rodata*")
#ifdef KOBJECT_RODATA_ALIGN
_kobject_rodata_area_end = .;
_kobject_rodata_area_used = _kobject_rodata_area_end - _kobject_rodata_area_start;
ASSERT(_kobject_rodata_area_used <= KOBJECT_RODATA_SZ,
"scripts/gen_kobject_placeholders.py did not reserve enough space \
for kobject rodata."
);
/* Padding is needed to preserve kobject addresses
* if we have reserved more space than needed.
*/
. = MAX(., _kobject_rodata_area_start + KOBJECT_RODATA_SZ);
#endif /* KOBJECT_RODATA_ALIGN */
#endif /* LINKER_ZEPHYR_FINAL */
#endif /* CONFIG_USERSPACE */