xref: /openbmc/linux/arch/s390/include/asm/linkage.h (revision d87c25e8)
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_AMODE31(_fault, _target)				\
26 	__EX_TABLE(.amode31.ex_table, _fault, _target)
27 
28 #endif
29