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Macpaul Lin273d11e2011-12-01 12:32:10 +08001/*
2 * U-boot - linkage.h
3 *
4 * Copyright (c) 2005-2007 Analog Devices Inc.
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
22 * MA 02110-1301 USA
23 */
24
25#ifndef _LINUX_LINKAGE_H
26#define _LINUX_LINKAGE_H
27
28#include <asm/linkage.h>
29#include <linux/config.h>
30
31#ifdef __cplusplus
32#define CPP_ASMLINKAGE extern "C"
33#else
34#define CPP_ASMLINKAGE
35#endif
36
37#define asmlinkage CPP_ASMLINKAGE
38
39#define SYMBOL_NAME_STR(X) #X
40#define SYMBOL_NAME(X) X
41#ifdef __STDC__
42#define SYMBOL_NAME_LABEL(X) X##:
43#else
44#define SYMBOL_NAME_LABEL(X) X:
45#endif
46
47#define __ALIGN .align 4
48#define __ALIGN_STR ".align 4"
49
50#ifdef __ASSEMBLY__
51
52#define ALIGN __ALIGN
53#define ALIGN_STR __ALIGN_STR
54
55#define LENTRY(name) \
56 ALIGN; \
57 SYMBOL_NAME_LABEL(name)
58
59#define ENTRY(name) \
60 .globl SYMBOL_NAME(name); \
61 LENTRY(name)
62
63#ifndef END
64#define END(name) \
65 .size name, .-name
66#endif
67
68#ifndef ENDPROC
69#define ENDPROC(name) \
70 .type name, @function; \
71 END(name)
72#endif
73
74#endif
75
76#endif