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