kprobes.h

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#ifndef __ASM_SH_KPROBES_H
#define __ASM_SH_KPROBES_H

#ifdef CONFIG_KPROBES

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

typedef insn_size_t kprobe_opcode_t;
#define BREAKPOINT_INSTRUCTION  0xc33a

#define MAX_INSN_SIZE 16
#define MAX_STACK_SIZE 64
#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \
    (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \
    ? (MAX_STACK_SIZE) \
    : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))

#define flush_insn_slot(p)      do { } while (0)
#define kretprobe_blacklist_size    0

struct kprobe;

void arch_remove_kprobe(struct kprobe *);
void kretprobe_trampoline(void);
void jprobe_return_end(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;
};

/* per-cpu kprobe control block */
struct kprobe_ctlblk {
    unsigned long kprobe_status;
    unsigned long jprobe_saved_r15;
    struct pt_regs jprobe_saved_regs;
    kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
    struct prev_kprobe prev_kprobe;
};

extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
extern int kprobe_exceptions_notify(struct notifier_block *self,
                    unsigned long val, void *data);
extern int kprobe_handle_illslot(unsigned long pc);
#else

#define kprobe_handle_illslot(pc)   (-1)

#endif /* CONFIG_KPROBES */
#endif /* __ASM_SH_KPROBES_H */