1#ifndef _LINUX_PERF_REGS_H
2#define _LINUX_PERF_REGS_H
3
4struct perf_regs {
5	__u64		abi;
6	struct pt_regs	*regs;
7};
8
9#ifdef CONFIG_HAVE_PERF_REGS
10#include <asm/perf_regs.h>
11u64 perf_reg_value(struct pt_regs *regs, int idx);
12int perf_reg_validate(u64 mask);
13u64 perf_reg_abi(struct task_struct *task);
14void perf_get_regs_user(struct perf_regs *regs_user,
15			struct pt_regs *regs,
16			struct pt_regs *regs_user_copy);
17#else
18static inline u64 perf_reg_value(struct pt_regs *regs, int idx)
19{
20	return 0;
21}
22
23static inline int perf_reg_validate(u64 mask)
24{
25	return mask ? -ENOSYS : 0;
26}
27
28static inline u64 perf_reg_abi(struct task_struct *task)
29{
30	return PERF_SAMPLE_REGS_ABI_NONE;
31}
32
33static inline void perf_get_regs_user(struct perf_regs *regs_user,
34				      struct pt_regs *regs,
35				      struct pt_regs *regs_user_copy)
36{
37	regs_user->regs = task_pt_regs(current);
38	regs_user->abi = perf_reg_abi(current);
39}
40#endif /* CONFIG_HAVE_PERF_REGS */
41#endif /* _LINUX_PERF_REGS_H */
42