LXR linux/arch/arm/kernel/jump

   1#include <linux/kernel.h>
   2#include <linux/jump_label.h>
   3#include <asm/patch.h>
   4#include <asm/insn.h>
   5
   6#ifdef HAVE_JUMP_LABEL
   7
   8static void __arch_jump_label_transform(struct jump_entry *entry,
   9                                        enum jump_label_type type,
  10                                        bool is_static)
  11{
  12        void *addr = (void *)entry->code;
  13        unsigned int insn;
  14
  15        if (type == JUMP_LABEL_JMP)
  16                insn = arm_gen_branch(entry->code, entry->target);
  17        else
  18                insn = arm_gen_nop();
  19
  20        if (is_static)
  21                __patch_text_early(addr, insn);
  22        else
  23                patch_text(addr, insn);
  24}
  25
  26void arch_jump_label_transform(struct jump_entry *entry,
  27                               enum jump_label_type type)
  28{
  29        __arch_jump_label_transform(entry, type, false);
  30}
  31
  32void arch_jump_label_transform_static(struct jump_entry *entry,
  33                                      enum jump_label_type type)
  34{
  35        __arch_jump_label_transform(entry, type, true);
  36}
  37
  38#endif
  39