LXR linux/tools/perf/util/unwind.h

   1#ifndef __UNWIND_H
   2#define __UNWIND_H
   3
   4#include "types.h"
   5#include "event.h"
   6#include "symbol.h"
   7
   8struct unwind_entry {
   9        struct map      *map;
  10        struct symbol   *sym;
  11        u64             ip;
  12};
  13
  14typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
  15
  16#ifdef LIBUNWIND_SUPPORT
  17int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
  18                        struct machine *machine,
  19                        struct thread *thread,
  20                        u64 sample_uregs,
  21                        struct perf_sample *data);
  22int unwind__arch_reg_id(int regnum);
  23#else
  24static inline int
  25unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
  26                    void *arg __maybe_unused,
  27                    struct machine *machine __maybe_unused,
  28                    struct thread *thread __maybe_unused,
  29                    u64 sample_uregs __maybe_unused,
  30                    struct perf_sample *data __maybe_unused)
  31{
  32        return 0;
  33}
  34#endif /* LIBUNWIND_SUPPORT */
  35#endif /* __UNWIND_H */
  36