1273d11eaSMacpaul Lin /* 2*a187559eSBin Meng * U-Boot - linkage.h 3273d11eaSMacpaul Lin * 4273d11eaSMacpaul Lin * Copyright (c) 2005-2007 Analog Devices Inc. 5273d11eaSMacpaul Lin * 61a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 7273d11eaSMacpaul Lin */ 8273d11eaSMacpaul Lin 9273d11eaSMacpaul Lin #ifndef _LINUX_LINKAGE_H 10273d11eaSMacpaul Lin #define _LINUX_LINKAGE_H 11273d11eaSMacpaul Lin 12273d11eaSMacpaul Lin #include <asm/linkage.h> 13273d11eaSMacpaul Lin 14950cb9bbSChen Gang /* Some toolchains use other characters (e.g. '`') to mark new line in macro */ 15950cb9bbSChen Gang #ifndef ASM_NL 16950cb9bbSChen Gang #define ASM_NL ; 17950cb9bbSChen Gang #endif 18950cb9bbSChen Gang 19273d11eaSMacpaul Lin #ifdef __cplusplus 20273d11eaSMacpaul Lin #define CPP_ASMLINKAGE extern "C" 21273d11eaSMacpaul Lin #else 22273d11eaSMacpaul Lin #define CPP_ASMLINKAGE 23273d11eaSMacpaul Lin #endif 24273d11eaSMacpaul Lin 25e6126a58SMasahiro Yamada #ifndef asmlinkage 26273d11eaSMacpaul Lin #define asmlinkage CPP_ASMLINKAGE 27e6126a58SMasahiro Yamada #endif 28273d11eaSMacpaul Lin 29273d11eaSMacpaul Lin #define SYMBOL_NAME_STR(X) #X 30273d11eaSMacpaul Lin #define SYMBOL_NAME(X) X 31273d11eaSMacpaul Lin #ifdef __STDC__ 32273d11eaSMacpaul Lin #define SYMBOL_NAME_LABEL(X) X##: 33273d11eaSMacpaul Lin #else 34273d11eaSMacpaul Lin #define SYMBOL_NAME_LABEL(X) X: 35273d11eaSMacpaul Lin #endif 36273d11eaSMacpaul Lin 377245536dSAneesh V #ifndef __ALIGN 38273d11eaSMacpaul Lin #define __ALIGN .align 4 397245536dSAneesh V #endif 407245536dSAneesh V 417245536dSAneesh V #ifndef __ALIGN_STR 42273d11eaSMacpaul Lin #define __ALIGN_STR ".align 4" 437245536dSAneesh V #endif 44273d11eaSMacpaul Lin 45273d11eaSMacpaul Lin #ifdef __ASSEMBLY__ 46273d11eaSMacpaul Lin 47273d11eaSMacpaul Lin #define ALIGN __ALIGN 48273d11eaSMacpaul Lin #define ALIGN_STR __ALIGN_STR 49273d11eaSMacpaul Lin 50273d11eaSMacpaul Lin #define LENTRY(name) \ 51950cb9bbSChen Gang ALIGN ASM_NL \ 52273d11eaSMacpaul Lin SYMBOL_NAME_LABEL(name) 53273d11eaSMacpaul Lin 54273d11eaSMacpaul Lin #define ENTRY(name) \ 55950cb9bbSChen Gang .globl SYMBOL_NAME(name) ASM_NL \ 56273d11eaSMacpaul Lin LENTRY(name) 57273d11eaSMacpaul Lin 58ec4fa567SDavid Feng #define WEAK(name) \ 59950cb9bbSChen Gang .weak SYMBOL_NAME(name) ASM_NL \ 60ec4fa567SDavid Feng LENTRY(name) 61ec4fa567SDavid Feng 62273d11eaSMacpaul Lin #ifndef END 63273d11eaSMacpaul Lin #define END(name) \ 64273d11eaSMacpaul Lin .size name, .-name 65273d11eaSMacpaul Lin #endif 66273d11eaSMacpaul Lin 67273d11eaSMacpaul Lin #ifndef ENDPROC 68273d11eaSMacpaul Lin #define ENDPROC(name) \ 69950cb9bbSChen Gang .type name STT_FUNC ASM_NL \ 70273d11eaSMacpaul Lin END(name) 71273d11eaSMacpaul Lin #endif 72273d11eaSMacpaul Lin 73273d11eaSMacpaul Lin #endif 74273d11eaSMacpaul Lin 75273d11eaSMacpaul Lin #endif 76