linkage.h

Uboot源代码,适合编写或修改Uboot的开发者

/*
 * U-boot - linkage.h
 *
 * Copyright (c) 2005 blackfin.uclinux.org
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef _LINUX_LINKAGE_H
#define _LINUX_LINKAGE_H

#include <linux/config.h>

#ifdef __cplusplus
#define CPP_ASMLINKAGE		extern "C"
#else
#define CPP_ASMLINKAGE
#endif

#define asmlinkage CPP_ASMLINKAGE

#define SYMBOL_NAME_STR(X)	#X
#define SYMBOL_NAME(X)		X
#ifdef __STDC__
#define SYMBOL_NAME_LABEL(X)	X##:
#else
#define SYMBOL_NAME_LABEL(X)	X:
#endif

#define __ALIGN .align		4
#define __ALIGN_STR		".align 4"

#ifdef __ASSEMBLY__

#define ALIGN			__ALIGN
#define ALIGN_STR		__ALIGN_STR

#define ENTRY(name) \
	.globl SYMBOL_NAME(name); \
	ALIGN; \
	SYMBOL_NAME_LABEL(name)
#endif

#endif