include/asm-x86_64/kdebug.h

   1 #ifndef _X86_64_KDEBUG_H
   2 #define _X86_64_KDEBUG_H 1
   3
   4 #include <linux/notifier.h>
   5
   6 struct pt_regs;
   7
   8 struct die_args {
   9         struct pt_regs *regs;
  10         const char *str;
  11         long err;
  12         int trapnr;
  13         int signr;
  14 };
  15
  16 /* Note - you should never unregister because that can race with NMIs.
  17    If you really want to do it first unregister - then synchronize_sched - then free.
  18   */
  19 int register_die_notifier(struct notifier_block *nb);
  20 extern struct notifier_block *die_chain;
  21 /* Grossly misnamed. */
  22 enum die_val {
  23         DIE_OOPS = 1,
  24         DIE_INT3,
  25         DIE_DEBUG,
  26         DIE_PANIC,
  27         DIE_NMI,
  28         DIE_DIE,
  29         DIE_NMIWATCHDOG,
  30         DIE_KERNELDEBUG,
  31         DIE_TRAP,
  32         DIE_GPF,
  33         DIE_CALL,
  34         DIE_NMI_IPI,
  35         DIE_PAGE_FAULT,
  36 };
  37
  38 static inline int notify_die(enum die_val val, const char *str,
  39                         struct pt_regs *regs, long err, int trap, int sig)
  40 {
  41         struct die_args args = {
  42                 .regs = regs,
  43                 .str = str,
  44                 .err = err,
  45                 .trapnr = trap,
  46                 .signr = sig
  47         };
  48         return notifier_call_chain(&die_chain, val, &args);
  49 }
  50
  51 extern int printk_address(unsigned long address);
  52 extern void die(const char *,struct pt_regs *,long);
  53 extern void __die(const char *,struct pt_regs *,long);
  54 extern void show_registers(struct pt_regs *regs);
  55 extern void dump_pagetable(unsigned long);
  56 extern unsigned long oops_begin(void);
  57 extern void oops_end(unsigned long);
  58
  59 #endif