1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _H8300_PTRACE_H
3#define _H8300_PTRACE_H
4
5#include <uapi/asm/ptrace.h>
6
7struct task_struct;
8
9#ifndef __ASSEMBLY__
10#ifndef PS_S
11#define PS_S  (0x10)
12#endif
13
14#if defined(CONFIG_CPU_H8300H)
15#define H8300_REGS_NO 11
16#endif
17#if defined(CONFIG_CPU_H8S)
18#define H8300_REGS_NO 12
19#endif
20
21#define arch_has_single_step()	(1)
22
23#define user_mode(regs) (!((regs)->ccr & PS_S))
24#define instruction_pointer(regs) ((regs)->pc)
25#define profile_pc(regs) instruction_pointer(regs)
26#define user_stack_pointer(regs) ((regs)->sp)
27#define current_pt_regs() ((struct pt_regs *) \
28	(THREAD_SIZE + (unsigned long)current_thread_info()) - 1)
29#define signal_pt_regs() ((struct pt_regs *)current->thread.esp0)
30#define current_user_stack_pointer() rdusp()
31#define task_pt_regs(task) \
32	((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE) - 1)
33
34extern long h8300_get_reg(struct task_struct *task, int regno);
35extern int h8300_put_reg(struct task_struct *task, int regno,
36			 unsigned long data);
37
38#endif /* __ASSEMBLY__ */
39#endif /* _H8300_PTRACE_H */
40