1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2015, Linaro Limited
*/
#ifndef __KEEP_H
#define __KEEP_H
#ifdef __ASSEMBLER__
.macro DECLARE_KEEP_PAGER sym
.pushsection __keep_meta_vars_pager, "a"
.global ____keep_pager_\sym
____keep_pager_\sym:
.long \sym
.popsection
.endm
.macro DECLARE_KEEP_INIT sym
.pushsection __keep_meta_vars_init, "a"
.global ____keep_init_\sym
____keep_init_\sym:
.long \sym
.popsection
.endm
#else
#include <compiler.h>
#define __DECLARE_KEEP_PAGER2(sym, file_id) \
extern const unsigned long ____keep_pager_##sym; \
const unsigned long ____keep_pager_##sym##_##file_id \
__section("__keep_meta_vars_pager") = (unsigned long)&(sym)
#define __DECLARE_KEEP_PAGER1(sym, file_id) __DECLARE_KEEP_PAGER2(sym, file_id)
#define DECLARE_KEEP_PAGER(sym) __DECLARE_KEEP_PAGER1(sym, __FILE_ID__)
#define __DECLARE_KEEP_INIT2(sym, file_id) \
extern const unsigned long ____keep_init_##sym##file_id; \
const unsigned long ____keep_init_##sym##_##file_id \
__section("__keep_meta_vars_init") = (unsigned long)&(sym)
#define __DECLARE_KEEP_INIT1(sym, file_id) __DECLARE_KEEP_INIT2(sym, file_id)
#define DECLARE_KEEP_INIT(sym) __DECLARE_KEEP_INIT1(sym, __FILE_ID__)
#endif /* __ASSEMBLER__ */
#endif /*__KEEP_H*/
|
