LXR uboot/include/linux/linkage.h

   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