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kprobes.h

#ifndef _SPARC64_KPROBES_H
#define _SPARC64_KPROBES_H

#include <linux/types.h>
#include <linux/percpu.h>

typedef u32 kprobe_opcode_t;

#define BREAKPOINT_INSTRUCTION   0x91d02070 /* ta 0x70 */
#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
#define MAX_INSN_SIZE 2

#define kretprobe_blacklist_size 0

#define arch_remove_kprobe(p) do {} while (0)

#define flush_insn_slot(p)          \
do {  flushi(&(p)->ainsn.insn[0]);  \
      flushi(&(p)->ainsn.insn[1]);  \
} while (0)

void kretprobe_trampoline(void);

/* Architecture specific copy of original instruction*/
struct arch_specific_insn {
      /* copy of the original instruction */
      kprobe_opcode_t insn[MAX_INSN_SIZE];
};

struct prev_kprobe {
      struct kprobe *kp;
      unsigned long status;
      unsigned long orig_tnpc;
      unsigned long orig_tstate_pil;
};

/* per-cpu kprobe control block */
struct kprobe_ctlblk {
      unsigned long kprobe_status;
      unsigned long kprobe_orig_tnpc;
      unsigned long kprobe_orig_tstate_pil;
      struct pt_regs jprobe_saved_regs;
      struct prev_kprobe prev_kprobe;
};

extern int kprobe_exceptions_notify(struct notifier_block *self,
                            unsigned long val, void *data);
extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
#endif /* _SPARC64_KPROBES_H */

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