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 #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 77