include/asm-i386/kdebug.h

   1 #ifndef _I386_KDEBUG_H
   2 #define _I386_KDEBUG_H 1
   3
   4 /*
   5  * Aug-05 2004 Ported by Prasanna S Panchamukhi <prasanna@in.ibm.com>
   6  * from x86_64 architecture.
   7  */
   8 #include <linux/notifier.h>
   9
  10 struct pt_regs;
  11
  12 struct die_args {
  13         struct pt_regs *regs;
  14         const char *str;
  15         long err;
  16         int trapnr;
  17         int signr;
  18 };
  19
  20 /* Note - you should never unregister because that can race with NMIs.
  21    If you really want to do it first unregister - then synchronize_sched - then free.
  22   */
  23 int register_die_notifier(struct notifier_block *nb);
  24 extern struct notifier_block *i386die_chain;
  25
  26
  27 /* Grossly misnamed. */
  28 enum die_val {
  29         DIE_OOPS = 1,
  30         DIE_INT3,
  31         DIE_DEBUG,
  32         DIE_PANIC,
  33         DIE_NMI,
  34         DIE_DIE,
  35         DIE_NMIWATCHDOG,
  36         DIE_KERNELDEBUG,
  37         DIE_TRAP,
  38         DIE_GPF,
  39         DIE_CALL,
  40         DIE_NMI_IPI,
  41         DIE_PAGE_FAULT,
  42 };
  43
  44 static inline int notify_die(enum die_val val, const char *str,
  45                         struct pt_regs *regs, long err, int trap, int sig)
  46 {
  47         struct die_args args = {
  48                 .regs = regs,
  49                 .str = str,
  50                 .err = err,
  51                 .trapnr = trap,
  52                 .signr = sig
  53         };
  54         return notifier_call_chain(&i386die_chain, val, &args);
  55 }
  56
  57 #endif