1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * U-Boot - linkage.h 4 * 5 * Copyright (c) 2005-2007 Analog Devices Inc. 6 */ 7 8 #ifndef _LINUX_LINKAGE_H 9 #define _LINUX_LINKAGE_H 10 11 #include <asm/linkage.h> 12 13 /* Some toolchains use other characters (e.g. '`') to mark new line in macro */ 14 #ifndef ASM_NL 15 #define ASM_NL ; 16 #endif 17 18 #ifdef __cplusplus 19 #define CPP_ASMLINKAGE extern "C" 20 #else 21 #define CPP_ASMLINKAGE 22 #endif 23 24 #ifndef asmlinkage 25 #define asmlinkage CPP_ASMLINKAGE 26 #endif 27 28 #define SYMBOL_NAME_STR(X) #X 29 #define SYMBOL_NAME(X) X 30 #ifdef __STDC__ 31 #define SYMBOL_NAME_LABEL(X) X##: 32 #else 33 #define SYMBOL_NAME_LABEL(X) X: 34 #endif 35 36 #ifndef __ALIGN 37 #define __ALIGN .align 4 38 #endif 39 40 #ifndef __ALIGN_STR 41 #define __ALIGN_STR ".align 4" 42 #endif 43 44 #ifdef __ASSEMBLY__ 45 46 #define ALIGN __ALIGN 47 #define ALIGN_STR __ALIGN_STR 48 49 #define LENTRY(name) \ 50 ALIGN ASM_NL \ 51 SYMBOL_NAME_LABEL(name) 52 53 #define ENTRY(name) \ 54 .globl SYMBOL_NAME(name) ASM_NL \ 55 LENTRY(name) 56 57 #define WEAK(name) \ 58 .weak SYMBOL_NAME(name) ASM_NL \ 59 LENTRY(name) 60 61 #ifndef END 62 #define END(name) \ 63 .size name, .-name 64 #endif 65 66 #ifndef ENDPROC 67 #define ENDPROC(name) \ 68 .type name STT_FUNC ASM_NL \ 69 END(name) 70 #endif 71 72 #endif 73 74 #endif 75