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
   8 struct unwind_entry {
   9         struct map      *map;
  10         struct symbol   *sym;
  11         u64             ip;
  12 };
  13
  14 typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
  15
  16 #ifdef HAVE_LIBUNWIND_SUPPORT
  17 int 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, int max_stack);
  22 int unwind__arch_reg_id(int regnum);
  23 #else
  24 static inline int
  25 unwind__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                     int max_stack __maybe_unused)
  32 {
  33         return 0;
  34 }
  35 #endif /* HAVE_LIBUNWIND_SUPPORT */
  36 #endif /* __UNWIND_H */