linux/arch/s390/include/asm/linkage.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ASM_LINKAGE_H
   3#define __ASM_LINKAGE_H
   4
   5#include <asm/asm-const.h>
   6#include <linux/stringify.h>
   7
   8#define __ALIGN .align 16, 0x07
   9#define __ALIGN_STR __stringify(__ALIGN)
  10
  11/*
  12 * Helper macro for exception table entries
  13 */
  14
  15#define __EX_TABLE(_section, _fault, _target)                           \
  16        stringify_in_c(.section _section,"a";)                          \
  17        stringify_in_c(.align   8;)                                     \
  18        stringify_in_c(.long    (_fault) - .;)                          \
  19        stringify_in_c(.long    (_target) - .;)                         \
  20        stringify_in_c(.quad    0;)                                     \
  21        stringify_in_c(.previous)
  22
  23#define EX_TABLE(_fault, _target)                                       \
  24        __EX_TABLE(__ex_table, _fault, _target)
  25#define EX_TABLE_DMA(_fault, _target)                                   \
  26        __EX_TABLE(.dma.ex_table, _fault, _target)
  27
  28#endif
  29