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Stephen Rothwellbbeb3f42005-09-27 13:51:59 +10001#ifndef _ASM_POWERPC_KDEBUG_H
2#define _ASM_POWERPC_KDEBUG_H
Arnd Bergmann88ced032005-12-16 22:43:46 +01003#ifdef __KERNEL__
Paul Mackerras14cf11a2005-09-26 16:04:21 +10004
5/* nearly identical to x86_64/i386 code */
6
7#include <linux/notifier.h>
8
9struct pt_regs;
10
11struct die_args {
12 struct pt_regs *regs;
13 const char *str;
14 long err;
15 int trapnr;
16 int signr;
17};
18
Alan Sterne041c682006-03-27 01:16:30 -080019extern int register_die_notifier(struct notifier_block *);
20extern int unregister_die_notifier(struct notifier_block *);
Christoph Hellwig9f90b992007-04-30 11:56:46 +010021
22/*
23 * These are only here because kprobes.c wants them to implement a
24 * blatant layering violation. Will hopefully go away soon once all
25 * architectures are updated.
26 */
27static inline int register_page_fault_notifier(struct notifier_block *nb)
28{
29 return 0;
30}
31static inline int unregister_page_fault_notifier(struct notifier_block *nb)
32{
33 return 0;
34}
Alan Sterne041c682006-03-27 01:16:30 -080035extern struct atomic_notifier_head powerpc_die_chain;
Paul Mackerras14cf11a2005-09-26 16:04:21 +100036
37/* Grossly misnamed. */
38enum die_val {
39 DIE_OOPS = 1,
40 DIE_IABR_MATCH,
41 DIE_DABR_MATCH,
42 DIE_BPT,
43 DIE_SSTEP,
Paul Mackerras14cf11a2005-09-26 16:04:21 +100044};
45
46static inline int notify_die(enum die_val val,char *str,struct pt_regs *regs,long err,int trap, int sig)
47{
48 struct die_args args = { .regs=regs, .str=str, .err=err, .trapnr=trap,.signr=sig };
Alan Sterne041c682006-03-27 01:16:30 -080049 return atomic_notifier_call_chain(&powerpc_die_chain, val, &args);
Paul Mackerras14cf11a2005-09-26 16:04:21 +100050}
51
Arnd Bergmann88ced032005-12-16 22:43:46 +010052#endif /* __KERNEL__ */
Stephen Rothwellbbeb3f42005-09-27 13:51:59 +100053#endif /* _ASM_POWERPC_KDEBUG_H */