1#ifndef __PERF_REGS_H
 2#define __PERF_REGS_H
 3
 4#include <linux/types.h>
 5#include <linux/compiler.h>
 6
 7struct regs_dump;
 8
 9struct sample_reg {
10	const char *name;
11	uint64_t mask;
12};
13#define SMPL_REG(n, b) { .name = #n, .mask = 1ULL << (b) }
14#define SMPL_REG_END { .name = NULL }
15
16extern const struct sample_reg sample_reg_masks[];
17
18#ifdef HAVE_PERF_REGS_SUPPORT
19#include <perf_regs.h>
20
21int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
22
23#else
24#define PERF_REGS_MASK	0
25#define PERF_REGS_MAX	0
26
27static inline const char *perf_reg_name(int id __maybe_unused)
28{
29	return NULL;
30}
31
32static inline int perf_reg_value(u64 *valp __maybe_unused,
33				 struct regs_dump *regs __maybe_unused,
34				 int id __maybe_unused)
35{
36	return 0;
37}
38#endif /* HAVE_PERF_REGS_SUPPORT */
39#endif /* __PERF_REGS_H */