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/ptrace.h> 9 #include <asm/extable.h> 10 #include <asm/errno.h> 11 #include <asm/processor.h> 12 13 void 14 ia64_handle_exception (struct pt_regs *regs, const struct exception_table_entry *e) 15 { 16 long fix = (u64) &e->fixup + e->fixup; 17 18 regs->r8 = -EFAULT; 19 if (fix & 4) 20 regs->r9 = 0; 21 regs->cr_iip = fix & ~0xf; 22 ia64_psr(regs)->ri = fix & 0x3; /* set continuation slot number */ 23 } 24