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

#include <linux/sched/task_stack.h>

struct perf_regs {
	__u64		abi;
	struct pt_regs	*regs;
};

u64 perf_reg_value(struct pt_regs *regs, int idx);
int perf_reg_validate(u64 mask, bool simd_enabled);
u64 perf_reg_abi(struct task_struct *task);
void perf_get_regs_user(struct perf_regs *regs_user,
			struct pt_regs *regs);
int perf_simd_reg_validate(u16 vec_qwords, u64 vec_mask,
			   u16 pred_qwords, u32 pred_mask);
u64 perf_simd_reg_value(struct pt_regs *regs, int idx,
			u16 qwords_idx, bool pred);

#ifdef CONFIG_HAVE_PERF_REGS
#include <asm/perf_regs.h>

#ifndef PERF_REG_EXTENDED_MASK
#define PERF_REG_EXTENDED_MASK	0
#endif

#else

#define PERF_REG_EXTENDED_MASK	0

#endif /* CONFIG_HAVE_PERF_REGS */
#endif /* _LINUX_PERF_REGS_H */