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"Das U-Boot" Source Tree
1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * U-Boot - linkage.h
4 *
5 * Copyright (c) 2005-2007 Analog Devices Inc.
6 */
7
8#ifndef _LINUX_LINKAGE_H
9#define _LINUX_LINKAGE_H
10
11#include <asm/linkage.h>
12
13/* Some toolchains use other characters (e.g. '`') to mark new line in macro */
14#ifndef ASM_NL
15#define ASM_NL ;
16#endif
17
18#ifdef __cplusplus
19#define CPP_ASMLINKAGE extern "C"
20#else
21#define CPP_ASMLINKAGE
22#endif
23
24#ifndef asmlinkage
25#define asmlinkage CPP_ASMLINKAGE
26#endif
27
28#define SYMBOL_NAME_STR(X) #X
29#define SYMBOL_NAME(X) X
30#ifdef __STDC__
31#define SYMBOL_NAME_LABEL(X) X##:
32#else
33#define SYMBOL_NAME_LABEL(X) X:
34#endif
35
36#ifndef __ALIGN
37#define __ALIGN .align 4
38#endif
39
40#ifndef __ALIGN_STR
41#define __ALIGN_STR ".align 4"
42#endif
43
44#ifdef __ASSEMBLY__
45
46#define ALIGN __ALIGN
47#define ALIGN_STR __ALIGN_STR
48
49#define LENTRY(name) \
50 ALIGN ASM_NL \
51 SYMBOL_NAME_LABEL(name)
52
53#define ENTRY(name) \
54 .globl SYMBOL_NAME(name) ASM_NL \
55 LENTRY(name)
56
57#define WEAK(name) \
58 .weak SYMBOL_NAME(name) ASM_NL \
59 LENTRY(name)
60
61#ifndef END
62#define END(name) \
63 .size name, .-name
64#endif
65
66#ifndef ENDPROC
67#define ENDPROC(name) \
68 .type name STT_FUNC ASM_NL \
69 END(name)
70#endif
71
72#endif
73
74#endif