include/asm-ppc64/kdebug.h

   1 #ifndef _PPC64_KDEBUG_H
   2 #define _PPC64_KDEBUG_H 1
   3
   4 /* nearly identical to x86_64/i386 code */
   5
   6 #include <linux/notifier.h>
   7
   8 struct pt_regs;
   9
  10 struct die_args {
  11         struct pt_regs *regs;
  12         const char *str;
  13         long err;
  14         int trapnr;
  15         int signr;
  16 };
  17
  18 /*
  19    Note - you should never unregister because that can race with NMIs.
  20    If you really want to do it first unregister - then synchronize_kernel -
  21    then free.
  22  */
  23 int register_die_notifier(struct notifier_block *nb);
  24 extern struct notifier_block *ppc64_die_chain;
  25
  26 /* Grossly misnamed. */
  27 enum die_val {
  28         DIE_OOPS = 1,
  29         DIE_IABR_MATCH,
  30         DIE_DABR_MATCH,
  31         DIE_BPT,
  32         DIE_SSTEP,
  33         DIE_GPF,
  34         DIE_PAGE_FAULT,
  35 };
  36
  37 static inline int notify_die(enum die_val val,char *str,struct pt_regs *regs,long err,int trap, int sig)
  38 {
  39         struct die_args args = { .regs=regs, .str=str, .err=err, .trapnr=trap,.signr=sig };
  40         return notifier_call_chain(&ppc64_die_chain, val, &args);
  41 }
  42
  43 #endif