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bootloader/u-boot_2015_04/include/linux/linkage.h 1.15 KB
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  /*
   * U-boot - linkage.h
   *
   * Copyright (c) 2005-2007 Analog Devices Inc.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #ifndef _LINUX_LINKAGE_H
  #define _LINUX_LINKAGE_H
  
  #include <asm/linkage.h>
  
  /* Some toolchains use other characters (e.g. '`') to mark new line in macro */
  #ifndef ASM_NL
  #define ASM_NL		 ;
  #endif
  
  #ifdef __cplusplus
  #define CPP_ASMLINKAGE		extern "C"
  #else
  #define CPP_ASMLINKAGE
  #endif
  
  #ifndef asmlinkage
  #define asmlinkage CPP_ASMLINKAGE
  #endif
  
  #define SYMBOL_NAME_STR(X)	#X
  #define SYMBOL_NAME(X)		X
  #ifdef __STDC__
  #define SYMBOL_NAME_LABEL(X)	X##:
  #else
  #define SYMBOL_NAME_LABEL(X)	X:
  #endif
  
  #ifndef __ALIGN
  #define __ALIGN .align		4
  #endif
  
  #ifndef __ALIGN_STR
  #define __ALIGN_STR		".align 4"
  #endif
  
  #ifdef __ASSEMBLY__
  
  #define ALIGN			__ALIGN
  #define ALIGN_STR		__ALIGN_STR
  
  #define LENTRY(name) \
  	ALIGN ASM_NL \
  	SYMBOL_NAME_LABEL(name)
  
  #define ENTRY(name) \
  	.globl SYMBOL_NAME(name) ASM_NL \
  	LENTRY(name)
  
  #define WEAK(name) \
  	.weak SYMBOL_NAME(name) ASM_NL \
  	LENTRY(name)
  
  #ifndef END
  #define END(name) \
  	.size name, .-name
  #endif
  
  #ifndef ENDPROC
  #define ENDPROC(name) \
  	.type name STT_FUNC ASM_NL \
  	END(name)
  #endif
  
  #endif
  
  #endif