| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef __ASM_LINKAGE_H |
| 3 | #define __ASM_LINKAGE_H |
| 4 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 5 | #include <asm/asm-const.h> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 6 | #include <linux/stringify.h> |
| 7 | |
| 8 | #define __ALIGN .align 4, 0x07 |
| 9 | #define __ALIGN_STR __stringify(__ALIGN) |
| 10 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 11 | /* |
| 12 | * Helper macro for exception table entries |
| 13 | */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 14 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 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) |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 22 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 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) |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 27 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 28 | #endif |