/* SPDX-License-Identifier: GPL-2.0-only */

#ifndef __ASM_CSKY_UPROBES_H
#define __ASM_CSKY_UPROBES_H

#include <asm/probes.h>

#define MAX_UINSN_BYTES         4

#define UPROBE_SWBP_INSN        USR_BKPT
#define UPROBE_SWBP_INSN_SIZE   2
#define UPROBE_XOL_SLOT_BYTES   MAX_UINSN_BYTES

typedef u32 uprobe_opcode_t;

struct arch_uprobe_task {
        unsigned long   saved_trap_no;
};

struct arch_uprobe {
        union {
                u8 insn[MAX_UINSN_BYTES];
                u8 ixol[MAX_UINSN_BYTES];
        };
        struct arch_probe_insn api;
        unsigned long insn_size;
        bool simulate;
};

int uprobe_breakpoint_handler(struct pt_regs *regs);
int uprobe_single_step_handler(struct pt_regs *regs);

#endif /* __ASM_CSKY_UPROBES_H */