arch/ia64/mm/extable.c

   1 /*
   2  * Kernel exception handling table support.  Derived from arch/alpha/mm/extable.c.
   3  *
   4  * Copyright (C) 1998, 1999, 2001-2002, 2004 Hewlett-Packard Co
   5  *      David Mosberger-Tang <davidm@hpl.hp.com>
   6  */
   7
   8 #include <asm/uaccess.h>
   9
  10 void
  11 ia64_handle_exception (struct pt_regs *regs, const struct exception_table_entry *e)
  12 {
  13         long fix = (u64) &e->fixup + e->fixup;
  14
  15         regs->r8 = -EFAULT;
  16         if (fix & 4)
  17                 regs->r9 = 0;
  18         regs->cr_iip = fix & ~0xf;
  19         ia64_psr(regs)->ri = fix & 0x3;         /* set continuation slot number */
  20 }