1/* 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#ifndef __ALIGN 48#define __ALIGN .align 4 49#endif 50 51#ifndef __ALIGN_STR 52#define __ALIGN_STR ".align 4" 53#endif 54 55#ifdef __ASSEMBLY__ 56 57#define ALIGN __ALIGN 58#define ALIGN_STR __ALIGN_STR 59 60#define LENTRY(name) \ 61 ALIGN; \ 62 SYMBOL_NAME_LABEL(name) 63 64#define ENTRY(name) \ 65 .globl SYMBOL_NAME(name); \ 66 LENTRY(name) 67 68#ifndef END 69#define END(name) \ 70 .size name, .-name 71#endif 72 73#ifndef ENDPROC 74#define ENDPROC(name) \ 75 .type name STT_FUNC; \ 76 END(name) 77#endif 78 79#endif 80 81#endif 82