| /* |
| * 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 */ |
| |
