LXR linux/arch/x86/um/fault.c

   1/* 
   2 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   3 * Licensed under the GPL
   4 */
   5
   6#include <sysdep/ptrace.h>
   7
   8/* These two are from asm-um/uaccess.h and linux/module.h, check them. */
   9struct exception_table_entry
  10{
  11        unsigned long insn;
  12        unsigned long fixup;
  13};
  14
  15const struct exception_table_entry *search_exception_tables(unsigned long add);
  16
  17/* Compare this to arch/i386/mm/extable.c:fixup_exception() */
  18int arch_fixup(unsigned long address, struct uml_pt_regs *regs)
  19{
  20        const struct exception_table_entry *fixup;
  21
  22        fixup = search_exception_tables(address);
  23        if (fixup) {
  24                UPT_IP(regs) = fixup->fixup;
  25                return 1;
  26        }
  27        return 0;
  28}
  29