Pull misc into release branch
[pandora-kernel.git] / include / asm-sparc64 / kprobes.h
1 #ifndef _SPARC64_KPROBES_H
2 #define _SPARC64_KPROBES_H
3
4 #include <linux/types.h>
5 #include <linux/percpu.h>
6
7 typedef u32 kprobe_opcode_t;
8
9 #define BREAKPOINT_INSTRUCTION   0x91d02070 /* ta 0x70 */
10 #define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
11 #define MAX_INSN_SIZE 2
12
13 #define arch_remove_kprobe(p)   do {} while (0)
14 #define  ARCH_INACTIVE_KPROBE_COUNT 0
15
16 #define flush_insn_slot(p)              \
17 do {    flushi(&(p)->ainsn.insn[0]);    \
18         flushi(&(p)->ainsn.insn[1]);    \
19 } while (0)
20
21 /* Architecture specific copy of original instruction*/
22 struct arch_specific_insn {
23         /* copy of the original instruction */
24         kprobe_opcode_t insn[MAX_INSN_SIZE];
25 };
26
27 struct prev_kprobe {
28         struct kprobe *kp;
29         unsigned long status;
30         unsigned long orig_tnpc;
31         unsigned long orig_tstate_pil;
32 };
33
34 /* per-cpu kprobe control block */
35 struct kprobe_ctlblk {
36         unsigned long kprobe_status;
37         unsigned long kprobe_orig_tnpc;
38         unsigned long kprobe_orig_tstate_pil;
39         struct pt_regs jprobe_saved_regs;
40         struct prev_kprobe prev_kprobe;
41 };
42
43 extern int kprobe_exceptions_notify(struct notifier_block *self,
44                                     unsigned long val, void *data);
45 extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
46 #endif /* _SPARC64_KPROBES_H */