arch/sparc/include/asm/jump_label.h

   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