arch/arm/mm/extable.c

   1 /*
   2  *  linux/arch/arm/mm/extable.c
   3  */
   4 #include <linux/extable.h>
   5 #include <linux/uaccess.h>
   6
   7 int fixup_exception(struct pt_regs *regs)
   8 {
   9         const struct exception_table_entry *fixup;
  10
  11         fixup = search_exception_tables(instruction_pointer(regs));
  12         if (fixup) {
  13                 regs->ARM_pc = fixup->fixup;
  14 #ifdef CONFIG_THUMB2_KERNEL
  15                 /* Clear the IT state to avoid nasty surprises in the fixup */
  16                 regs->ARM_cpsr &= ~PSR_IT_MASK;
  17 #endif
  18         }
  19
  20         return fixup != NULL;
  21 }