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 extern int register_die_notifier(struct notifier_block *);
  17 extern int unregister_die_notifier(struct notifier_block *);
  18 extern int register_page_fault_notifier(struct notifier_block *);
  19 extern int unregister_page_fault_notifier(struct notifier_block *);
  20 extern struct atomic_notifier_head die_chain;
  21
  22 /* Grossly misnamed. */
  23 enum die_val {
  24         DIE_OOPS = 1,
  25         DIE_INT3,
  26         DIE_DEBUG,
  27         DIE_PANIC,
  28         DIE_NMI,
  29         DIE_DIE,
  30         DIE_NMIWATCHDOG,
  31         DIE_KERNELDEBUG,
  32         DIE_TRAP,
  33         DIE_GPF,
  34         DIE_CALL,
  35         DIE_NMI_IPI,
  36         DIE_NMI_POST,
  37         DIE_PAGE_FAULT,
  38 };
  39
  40 static inline int notify_die(enum die_val val, const char *str,
  41                         struct pt_regs *regs, long err, int trap, int sig)
  42 {
  43         struct die_args args = {
  44                 .regs = regs,
  45                 .str = str,
  46                 .err = err,
  47                 .trapnr = trap,
  48                 .signr = sig
  49         };
  50         return atomic_notifier_call_chain(&die_chain, val, &args);
  51 }
  52
  53 extern void printk_address(unsigned long address);
  54 extern void die(const char *,struct pt_regs *,long);
  55 extern void __die(const char *,struct pt_regs *,long);
  56 extern void show_registers(struct pt_regs *regs);
  57 extern void dump_pagetable(unsigned long);
  58 extern unsigned long oops_begin(void);
  59 extern void oops_end(unsigned long);
  60
  61 #endif