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