LXR linux/tools/perf/util/perf

   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
  18enum {
  19        SDT_ARG_VALID = 0,
  20        SDT_ARG_SKIP,
  21};
  22
  23int arch_sdt_arg_parse_op(char *old_op, char **new_op);
  24uint64_t arch__intr_reg_mask(void);
  25uint64_t arch__user_reg_mask(void);
  26
  27#ifdef HAVE_PERF_REGS_SUPPORT
  28extern const struct sample_reg sample_reg_masks[];
  29
  30#include <perf_regs.h>
  31
  32#define DWARF_MINIMAL_REGS ((1ULL << PERF_REG_IP) | (1ULL << PERF_REG_SP))
  33
  34int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
  35
  36static inline const char *perf_reg_name(int id)
  37{
  38        const char *reg_name = __perf_reg_name(id);
  39
  40        return reg_name ?: "unknown";
  41}
  42
  43#else
  44#define PERF_REGS_MASK  0
  45#define PERF_REGS_MAX   0
  46
  47#define DWARF_MINIMAL_REGS PERF_REGS_MASK
  48
  49static inline const char *perf_reg_name(int id __maybe_unused)
  50{
  51        return "unknown";
  52}
  53
  54static inline int perf_reg_value(u64 *valp __maybe_unused,
  55                                 struct regs_dump *regs __maybe_unused,
  56                                 int id __maybe_unused)
  57{
  58        return 0;
  59}
  60#endif /* HAVE_PERF_REGS_SUPPORT */
  61#endif /* __PERF_REGS_H */
  62