blob: 1ea43d0245fbdae632be8bf116d78be28281f6f0 [file] [log] [blame]
/*
* Copyright (c) 2017 Linaro Limited
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifdef CONFIG_USERSPACE
/* Constraints:
*
* - changes to the size of this section between build phases
* *must not* shift the memory address of any kernel obejcts,
* since it contains a hashtable of the memory addresses of those
* kernel objects
*
* - It is OK if this section itself is shifted in between builds; for
* example some arches may precede this section with generated MMU
* page tables which are also unpredictable in size.
*
* The size of the
* gperf tables is both a function of the number of kernel objects,
* *and* the specific memory addresses being hashed. It is not something
* that can be predicted without actually building and compling it.
*/
SECTION_DATA_PROLOGUE(priv_stacks, (OPTIONAL),)
{
*(".priv_stacks.data*")
/* This is also unpredictable in size, and has the same constraints.
* On XIP systems this will get put at the very end of ROM.
*/
#ifndef CONFIG_XIP
*(".priv_stacks.rodata*")
#endif
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
#endif /* CONFIG_USERSPACE */