6e3f361781
This adjusts things so that handlers of the die() notifier will have sufficient information about the trap currently being handled. It also adjusts the notify_die() prototype to (again) match that of i386. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
#ifndef _X86_64_KDEBUG_H
|
|
#define _X86_64_KDEBUG_H 1
|
|
|
|
#include <linux/notifier.h>
|
|
|
|
struct pt_regs;
|
|
|
|
struct die_args {
|
|
struct pt_regs *regs;
|
|
const char *str;
|
|
long err;
|
|
int trapnr;
|
|
int signr;
|
|
};
|
|
|
|
/* Note - you should never unregister because that can race with NMIs.
|
|
If you really want to do it first unregister - then synchronize_sched - then free.
|
|
*/
|
|
int register_die_notifier(struct notifier_block *nb);
|
|
extern struct notifier_block *die_chain;
|
|
/* Grossly misnamed. */
|
|
enum die_val {
|
|
DIE_OOPS = 1,
|
|
DIE_INT3,
|
|
DIE_DEBUG,
|
|
DIE_PANIC,
|
|
DIE_NMI,
|
|
DIE_DIE,
|
|
DIE_NMIWATCHDOG,
|
|
DIE_KERNELDEBUG,
|
|
DIE_TRAP,
|
|
DIE_GPF,
|
|
DIE_CALL,
|
|
DIE_NMI_IPI,
|
|
DIE_PAGE_FAULT,
|
|
};
|
|
|
|
static inline int notify_die(enum die_val val, const char *str,
|
|
struct pt_regs *regs, long err, int trap, int sig)
|
|
{
|
|
struct die_args args = {
|
|
.regs = regs,
|
|
.str = str,
|
|
.err = err,
|
|
.trapnr = trap,
|
|
.signr = sig
|
|
};
|
|
return notifier_call_chain(&die_chain, val, &args);
|
|
}
|
|
|
|
extern int printk_address(unsigned long address);
|
|
extern void die(const char *,struct pt_regs *,long);
|
|
extern void __die(const char *,struct pt_regs *,long);
|
|
extern void show_registers(struct pt_regs *regs);
|
|
extern void dump_pagetable(unsigned long);
|
|
extern unsigned long oops_begin(void);
|
|
extern void oops_end(unsigned long);
|
|
|
|
#endif
|