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 
8 #define JUMP_LABEL_NOP_SIZE 4
9 
10 static __always_inline bool arch_static_branch(struct static_key *key)
11 {
12 		asm_volatile_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 }
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
36