arch/s390/include/asm/linkage.h

   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 4, 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