include/asm-powerpc/kdebug.h

   1 #ifndef _ASM_POWERPC_KDEBUG_H
   2 #define _ASM_POWERPC_KDEBUG_H
   3 #ifdef __KERNEL__
   4
   5 /* nearly identical to x86_64/i386 code */
   6
   7 #include <linux/notifier.h>
   8
   9 struct pt_regs;
  10
  11 struct die_args {
  12         struct pt_regs *regs;
  13         const char *str;
  14         long err;
  15         int trapnr;
  16         int signr;
  17 };
  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 -
  22    then free.
  23  */
  24 int register_die_notifier(struct notifier_block *nb);
  25 extern struct notifier_block *powerpc_die_chain;
  26
  27 /* Grossly misnamed. */
  28 enum die_val {
  29         DIE_OOPS = 1,
  30         DIE_IABR_MATCH,
  31         DIE_DABR_MATCH,
  32         DIE_BPT,
  33         DIE_SSTEP,
  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(&powerpc_die_chain, val, &args);
  41 }
  42
  43 #endif /* __KERNEL__ */
  44 #endif /* _ASM_POWERPC_KDEBUG_H */