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Sam Ravnborga00736e2008-06-19 20:26:19 +02001#ifndef _SPARC64_KPROBES_H
2#define _SPARC64_KPROBES_H
3
4#include <linux/types.h>
5#include <linux/percpu.h>
6
7typedef 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 kretprobe_blacklist_size 0
14
15#define arch_remove_kprobe(p) do {} while (0)
16
17#define flush_insn_slot(p) \
18do { flushi(&(p)->ainsn.insn[0]); \
19 flushi(&(p)->ainsn.insn[1]); \
20} while (0)
21
22void kretprobe_trampoline(void);
23
24/* Architecture specific copy of original instruction*/
25struct arch_specific_insn {
26 /* copy of the original instruction */
27 kprobe_opcode_t insn[MAX_INSN_SIZE];
28};
29
30struct prev_kprobe {
31 struct kprobe *kp;
32 unsigned long status;
33 unsigned long orig_tnpc;
34 unsigned long orig_tstate_pil;
35};
36
37/* per-cpu kprobe control block */
38struct kprobe_ctlblk {
39 unsigned long kprobe_status;
40 unsigned long kprobe_orig_tnpc;
41 unsigned long kprobe_orig_tstate_pil;
42 struct pt_regs jprobe_saved_regs;
43 struct prev_kprobe prev_kprobe;
44};
45
46extern int kprobe_exceptions_notify(struct notifier_block *self,
47 unsigned long val, void *data);
48extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
49#endif /* _SPARC64_KPROBES_H */