| David S. Miller | dff9d3c | 2010-09-17 11:09:25 -0400 | [diff] [blame] | 1 | #ifndef _ASM_SPARC_JUMP_LABEL_H |
| 2 | #define _ASM_SPARC_JUMP_LABEL_H |
| 3 | |
| 4 | #ifdef __KERNEL__ |
| 5 | |
| 6 | #include <linux/types.h> |
| 7 | #include <asm/system.h> |
| 8 | |
| 9 | #define JUMP_LABEL_NOP_SIZE 4 |
| 10 | |
| 11 | #define JUMP_LABEL(key, label) \ |
| 12 | do { \ |
| 13 | asm goto("1:\n\t" \ |
| 14 | "nop\n\t" \ |
| 15 | "nop\n\t" \ |
| 16 | ".pushsection __jump_table, \"a\"\n\t"\ |
| David Miller | f0daed0 | 2010-10-23 11:06:24 -0700 | [diff] [blame^] | 17 | ".align 4\n\t" \ |
| David S. Miller | dff9d3c | 2010-09-17 11:09:25 -0400 | [diff] [blame] | 18 | ".word 1b, %l[" #label "], %c0\n\t" \ |
| 19 | ".popsection \n\t" \ |
| 20 | : : "i" (key) : : label);\ |
| 21 | } while (0) |
| 22 | |
| 23 | #endif /* __KERNEL__ */ |
| 24 | |
| 25 | typedef u32 jump_label_t; |
| 26 | |
| 27 | struct jump_entry { |
| 28 | jump_label_t code; |
| 29 | jump_label_t target; |
| 30 | jump_label_t key; |
| 31 | }; |
| 32 | |
| 33 | #endif |