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 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); 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 { 32 return 0; 33 } 34 #endif /* LIBUNWIND_SUPPORT */ 35 #endif /* __UNWIND_H */ 36