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Diffstat (limited to 'arch/s390/include/asm/linkage.h')
| -rw-r--r-- | arch/s390/include/asm/linkage.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/s390/include/asm/linkage.h b/arch/s390/include/asm/linkage.h new file mode 100644 index 000000000..a0a7a2c72 --- /dev/null +++ b/arch/s390/include/asm/linkage.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_LINKAGE_H +#define __ASM_LINKAGE_H + +#include <asm/asm-const.h> +#include <linux/stringify.h> + +#define __ALIGN .align 4, 0x07 +#define __ALIGN_STR __stringify(__ALIGN) + +/* + * Helper macro for exception table entries + */ + +#define __EX_TABLE(_section, _fault, _target) \ + stringify_in_c(.section _section,"a";) \ + stringify_in_c(.align 8;) \ + stringify_in_c(.long (_fault) - .;) \ + stringify_in_c(.long (_target) - .;) \ + stringify_in_c(.quad 0;) \ + stringify_in_c(.previous) + +#define EX_TABLE(_fault, _target) \ + __EX_TABLE(__ex_table, _fault, _target) +#define EX_TABLE_DMA(_fault, _target) \ + __EX_TABLE(.dma.ex_table, _fault, _target) + +#endif |