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dff9d3c2 DM |
1 | #ifndef _ASM_SPARC_JUMP_LABEL_H |
2 | #define _ASM_SPARC_JUMP_LABEL_H | |
3 | ||
4 | #ifdef __KERNEL__ | |
5 | ||
6 | #include <linux/types.h> | |
dff9d3c2 DM |
7 | |
8 | #define JUMP_LABEL_NOP_SIZE 4 | |
9 | ||
c5905afb | 10 | static __always_inline bool arch_static_branch(struct static_key *key) |
d430d3d7 JB |
11 | { |
12 | asm goto("1:\n\t" | |
13 | "nop\n\t" | |
14 | "nop\n\t" | |
15 | ".pushsection __jump_table, \"aw\"\n\t" | |
16 | ".align 4\n\t" | |
17 | ".word 1b, %l[l_yes], %c0\n\t" | |
18 | ".popsection \n\t" | |
19 | : : "i" (key) : : l_yes); | |
20 | return false; | |
21 | l_yes: | |
22 | return true; | |
23 | } | |
dff9d3c2 DM |
24 | |
25 | #endif /* __KERNEL__ */ | |
26 | ||
27 | typedef u32 jump_label_t; | |
28 | ||
29 | struct jump_entry { | |
30 | jump_label_t code; | |
31 | jump_label_t target; | |
32 | jump_label_t key; | |
33 | }; | |
34 | ||
35 | #endif |