Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-only */
2#ifndef __ASM_GENERIC_CODETAG_LDS_H
3#define __ASM_GENERIC_CODETAG_LDS_H
4
5#ifdef CONFIG_MEM_ALLOC_PROFILING
6#define IF_MEM_ALLOC_PROFILING(...) __VA_ARGS__
7#else
8#define IF_MEM_ALLOC_PROFILING(...)
9#endif
10
11#define SECTION_WITH_BOUNDARIES(_name) \
12 . = ALIGN(8); \
13 __start_##_name = .; \
14 KEEP(*(_name)) \
15 __stop_##_name = .;
16
17#define CODETAG_SECTIONS() \
18 IF_MEM_ALLOC_PROFILING(SECTION_WITH_BOUNDARIES(alloc_tags))
19
20#define MOD_SEPARATE_CODETAG_SECTION(_name) \
21 .codetag.##_name : { \
22 SECTION_WITH_BOUNDARIES(_name) \
23 }
24
25/*
26 * For codetags which might be used after module unload, therefore might stay
27 * longer in memory. Each such codetag type has its own section so that we can
28 * unload them individually once unused.
29 */
30#define MOD_SEPARATE_CODETAG_SECTIONS() \
31 IF_MEM_ALLOC_PROFILING(MOD_SEPARATE_CODETAG_SECTION(alloc_tags))
32
33#endif /* __ASM_GENERIC_CODETAG_LDS_H */