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