diff options
Diffstat (limited to 'arch/sparc/include/asm/jump_label.h')
-rw-r--r-- | arch/sparc/include/asm/jump_label.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h new file mode 100644 index 000000000000..62e66d7b2fb6 --- /dev/null +++ b/arch/sparc/include/asm/jump_label.h | |||
@@ -0,0 +1,32 @@ | |||
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"\ | ||
17 | ".word 1b, %l[" #label "], %c0\n\t" \ | ||
18 | ".popsection \n\t" \ | ||
19 | : : "i" (key) : : label);\ | ||
20 | } while (0) | ||
21 | |||
22 | #endif /* __KERNEL__ */ | ||
23 | |||
24 | typedef u32 jump_label_t; | ||
25 | |||
26 | struct jump_entry { | ||
27 | jump_label_t code; | ||
28 | jump_label_t target; | ||
29 | jump_label_t key; | ||
30 | }; | ||
31 | |||
32 | #endif | ||