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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _H8300_PTRACE_H
#define _H8300_PTRACE_H

#include <uapi/asm/ptrace.h>

struct task_struct;

#ifndef __ASSEMBLY__
#ifndef PS_S
#define PS_S  (0x10)
#endif

#if defined(CONFIG_CPU_H8300H)
#define H8300_REGS_NO 11
#endif
#if defined(CONFIG_CPU_H8S)
#define H8300_REGS_NO 12
#endif

#define arch_has_single_step()	(1)

#define user_mode(regs) (!((regs)->ccr & PS_S))
#define instruction_pointer(regs) ((regs)->pc)
#define profile_pc(regs) instruction_pointer(regs)
#define user_stack_pointer(regs) ((regs)->sp)
#define current_pt_regs() ((struct pt_regs *) \
	(THREAD_SIZE + (unsigned long)current_thread_info()) - 1)
#define signal_pt_regs() ((struct pt_regs *)current->thread.esp0)
#define current_user_stack_pointer() rdusp()
#define task_pt_regs(task) \
	((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE) - 1)

extern long h8300_get_reg(struct task_struct *task, int regno);
extern int h8300_put_reg(struct task_struct *task, int regno,
			 unsigned long data);

#endif /* __ASSEMBLY__ */
#endif /* _H8300_PTRACE_H */