tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PERF_REGS_H
3#define __PERF_REGS_H
4
5#include <linux/types.h>
6#include <linux/compiler.h>
7
8struct regs_dump;
9
10struct sample_reg {
11 const char *name;
12 uint64_t mask;
13};
14#define SMPL_REG(n, b) { .name = #n, .mask = 1ULL << (b) }
15#define SMPL_REG2(n, b) { .name = #n, .mask = 3ULL << (b) }
16#define SMPL_REG_END { .name = NULL }
17
18extern const struct sample_reg sample_reg_masks[];
19
20enum {
21 SDT_ARG_VALID = 0,
22 SDT_ARG_SKIP,
23};
24
25int arch_sdt_arg_parse_op(char *old_op, char **new_op);
26uint64_t arch__intr_reg_mask(void);
27uint64_t arch__user_reg_mask(void);
28
29#ifdef HAVE_PERF_REGS_SUPPORT
30#include <perf_regs.h>
31
32int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
33
34#else
35#define PERF_REGS_MASK 0
36#define PERF_REGS_MAX 0
37
38static inline const char *perf_reg_name(int id __maybe_unused)
39{
40 return NULL;
41}
42
43static inline int perf_reg_value(u64 *valp __maybe_unused,
44 struct regs_dump *regs __maybe_unused,
45 int id __maybe_unused)
46{
47 return 0;
48}
49#endif /* HAVE_PERF_REGS_SUPPORT */
50#endif /* __PERF_REGS_H */