1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */ 2273d11eaSMacpaul Lin /* 3a187559eSBin Meng * U-Boot - linkage.h 4273d11eaSMacpaul Lin * 5273d11eaSMacpaul Lin * Copyright (c) 2005-2007 Analog Devices Inc. 6273d11eaSMacpaul Lin */ 7273d11eaSMacpaul Lin 8273d11eaSMacpaul Lin #ifndef _LINUX_LINKAGE_H 9273d11eaSMacpaul Lin #define _LINUX_LINKAGE_H 10273d11eaSMacpaul Lin 11273d11eaSMacpaul Lin #include <asm/linkage.h> 12273d11eaSMacpaul Lin 13950cb9bbSChen Gang /* Some toolchains use other characters (e.g. '`') to mark new line in macro */ 14950cb9bbSChen Gang #ifndef ASM_NL 15950cb9bbSChen Gang #define ASM_NL ; 16950cb9bbSChen Gang #endif 17950cb9bbSChen Gang 18273d11eaSMacpaul Lin #ifdef __cplusplus 19273d11eaSMacpaul Lin #define CPP_ASMLINKAGE extern "C" 20273d11eaSMacpaul Lin #else 21273d11eaSMacpaul Lin #define CPP_ASMLINKAGE 22273d11eaSMacpaul Lin #endif 23273d11eaSMacpaul Lin 24e6126a58SMasahiro Yamada #ifndef asmlinkage 25273d11eaSMacpaul Lin #define asmlinkage CPP_ASMLINKAGE 26e6126a58SMasahiro Yamada #endif 27273d11eaSMacpaul Lin 28273d11eaSMacpaul Lin #define SYMBOL_NAME_STR(X) #X 29273d11eaSMacpaul Lin #define SYMBOL_NAME(X) X 30273d11eaSMacpaul Lin #ifdef __STDC__ 31273d11eaSMacpaul Lin #define SYMBOL_NAME_LABEL(X) X##: 32273d11eaSMacpaul Lin #else 33273d11eaSMacpaul Lin #define SYMBOL_NAME_LABEL(X) X: 34273d11eaSMacpaul Lin #endif 35273d11eaSMacpaul Lin 367245536dSAneesh V #ifndef __ALIGN 37273d11eaSMacpaul Lin #define __ALIGN .align 4 387245536dSAneesh V #endif 397245536dSAneesh V 407245536dSAneesh V #ifndef __ALIGN_STR 41273d11eaSMacpaul Lin #define __ALIGN_STR ".align 4" 427245536dSAneesh V #endif 43273d11eaSMacpaul Lin 44273d11eaSMacpaul Lin #ifdef __ASSEMBLY__ 45273d11eaSMacpaul Lin 46273d11eaSMacpaul Lin #define ALIGN __ALIGN 47273d11eaSMacpaul Lin #define ALIGN_STR __ALIGN_STR 48273d11eaSMacpaul Lin 49273d11eaSMacpaul Lin #define LENTRY(name) \ 50950cb9bbSChen Gang ALIGN ASM_NL \ 51273d11eaSMacpaul Lin SYMBOL_NAME_LABEL(name) 52273d11eaSMacpaul Lin 53273d11eaSMacpaul Lin #define ENTRY(name) \ 54950cb9bbSChen Gang .globl SYMBOL_NAME(name) ASM_NL \ 55273d11eaSMacpaul Lin LENTRY(name) 56273d11eaSMacpaul Lin 57ec4fa567SDavid Feng #define WEAK(name) \ 58950cb9bbSChen Gang .weak SYMBOL_NAME(name) ASM_NL \ 59ec4fa567SDavid Feng LENTRY(name) 60ec4fa567SDavid Feng 61273d11eaSMacpaul Lin #ifndef END 62273d11eaSMacpaul Lin #define END(name) \ 63273d11eaSMacpaul Lin .size name, .-name 64273d11eaSMacpaul Lin #endif 65273d11eaSMacpaul Lin 66273d11eaSMacpaul Lin #ifndef ENDPROC 67273d11eaSMacpaul Lin #define ENDPROC(name) \ 68950cb9bbSChen Gang .type name STT_FUNC ASM_NL \ 69273d11eaSMacpaul Lin END(name) 70273d11eaSMacpaul Lin #endif 71273d11eaSMacpaul Lin 72273d11eaSMacpaul Lin #endif 73273d11eaSMacpaul Lin 74273d11eaSMacpaul Lin #endif 75