arch/um/sys-x86_64/fault.c

   1 /*
   2  * Copyright 2003 PathScale, Inc.
   3  *
   4  * Licensed under the GPL
   5  */
   6
   7 #include "sysdep/ptrace.h"
   8
   9 /* These two are from asm-um/uaccess.h and linux/module.h, check them. */
  10 struct exception_table_entry
  11 {
  12         unsigned long insn;
  13         unsigned long fixup;
  14 };
  15
  16 const struct exception_table_entry *search_exception_tables(unsigned long add);
  17
  18 int 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 != 0) {
  24                 UPT_IP(regs) = fixup->fixup;
  25                 return 1;
  26         }
  27         return 0;
  28 }