tools/perf/util/perf_regs.h

   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
   8 struct regs_dump;
   9
  10 struct 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_REG_END { .name = NULL }
  16
  17 extern const struct sample_reg sample_reg_masks[];
  18
  19 enum {
  20         SDT_ARG_VALID = 0,
  21         SDT_ARG_SKIP,
  22 };
  23
  24 int arch_sdt_arg_parse_op(char *old_op, char **new_op);
  25
  26 #ifdef HAVE_PERF_REGS_SUPPORT
  27 #include <perf_regs.h>
  28
  29 int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
  30
  31 #else
  32 #define PERF_REGS_MASK  0
  33 #define PERF_REGS_MAX   0
  34
  35 static inline const char *perf_reg_name(int id __maybe_unused)
  36 {
  37         return NULL;
  38 }
  39
  40 static inline int perf_reg_value(u64 *valp __maybe_unused,
  41                                  struct regs_dump *regs __maybe_unused,
  42                                  int id __maybe_unused)
  43 {
  44         return 0;
  45 }
  46 #endif /* HAVE_PERF_REGS_SUPPORT */
  47 #endif /* __PERF_REGS_H */