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 /* Some toolchains use other characters (e.g. '`') to mark new line in macro */ 15 #ifndef ASM_NL 16 #define ASM_NL ; 17 #endif 18 19 #ifdef __cplusplus 20 #define CPP_ASMLINKAGE extern "C" 21 #else 22 #define CPP_ASMLINKAGE 23 #endif 24 25 #ifndef asmlinkage 26 #define asmlinkage CPP_ASMLINKAGE 27 #endif 28 29 #define SYMBOL_NAME_STR(X) #X 30 #define SYMBOL_NAME(X) X 31 #ifdef __STDC__ 32 #define SYMBOL_NAME_LABEL(X) X##: 33 #else 34 #define SYMBOL_NAME_LABEL(X) X: 35 #endif 36 37 #ifndef __ALIGN 38 #define __ALIGN .align 4 39 #endif 40 41 #ifndef __ALIGN_STR 42 #define __ALIGN_STR ".align 4" 43 #endif 44 45 #ifdef __ASSEMBLY__ 46 47 #define ALIGN __ALIGN 48 #define ALIGN_STR __ALIGN_STR 49 50 #define LENTRY(name) \ 51 ALIGN ASM_NL \ 52 SYMBOL_NAME_LABEL(name) 53 54 #define ENTRY(name) \ 55 .globl SYMBOL_NAME(name) ASM_NL \ 56 LENTRY(name) 57 58 #define WEAK(name) \ 59 .weak SYMBOL_NAME(name) ASM_NL \ 60 LENTRY(name) 61 62 #ifndef END 63 #define END(name) \ 64 .size name, .-name 65 #endif 66 67 #ifndef ENDPROC 68 #define ENDPROC(name) \ 69 .type name STT_FUNC ASM_NL \ 70 END(name) 71 #endif 72 73 #endif 74 75 #endif 76