e58b65427e
Kernel threads created at build time have unique indexes to map them into various bitarrays. This patch extends these indexes to dynamically created threads where the associated kernel objects are allocated at runtime. Fixes: #9081 Signed-off-by: Daniel Leung <daniel.leung@intel.com>
43 lines
1.4 KiB
Text
43 lines
1.4 KiB
Text
/*
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* Copyright (c) 2017 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifdef CONFIG_USERSPACE
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/* Constraints:
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*
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* - changes to the size of this section between build phases
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* *must not* shift the memory address of any kernel obejcts,
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* since it contains a hashtable of the memory addresses of those
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* kernel objects
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*
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* - It is OK if this section itself is shifted in between builds; for
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* example some arches may precede this section with generated MMU
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* page tables which are also unpredictable in size.
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*
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* The size of the
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* gperf tables is both a function of the number of kernel objects,
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* *and* the specific memory addresses being hashed. It is not something
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* that can be predicted without actually building and compling it.
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*/
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SECTION_DATA_PROLOGUE(kobject_data, (OPTIONAL),)
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{
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*(".kobject_data.data*")
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#ifndef LINKER_PASS2
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#ifdef CONFIG_DYNAMIC_OBJECTS
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PROVIDE(_thread_idx_map = .);
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. += CONFIG_MAX_THREAD_BYTES;
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#endif
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#endif
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/* This is also unpredictable in size, and has the same constraints.
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* On XIP systems this will get put at the very end of ROM.
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*/
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#ifndef CONFIG_XIP
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*(".kobject_data.rodata*")
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#endif
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} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
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#endif /* CONFIG_USERSPACE */
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