4 #include <linux/types.h>
15 typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
17 struct unwind_libunwind_ops {
18 int (*prepare_access)(struct thread *thread);
19 void (*flush_access)(struct thread *thread);
20 void (*finish_access)(struct thread *thread);
21 int (*get_entries)(unwind_entry_cb_t cb, void *arg,
22 struct thread *thread,
23 struct perf_sample *data, int max_stack);
26 #ifdef HAVE_DWARF_UNWIND_SUPPORT
27 int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
28 struct thread *thread,
29 struct perf_sample *data, int max_stack);
30 /* libunwind specific */
31 #ifdef HAVE_LIBUNWIND_SUPPORT
32 #ifndef LIBUNWIND__ARCH_REG_ID
33 #define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arch_reg_id(regnum)
36 #ifndef LIBUNWIND__ARCH_REG_SP
37 #define LIBUNWIND__ARCH_REG_SP PERF_REG_SP
40 #ifndef LIBUNWIND__ARCH_REG_IP
41 #define LIBUNWIND__ARCH_REG_IP PERF_REG_IP
44 int LIBUNWIND__ARCH_REG_ID(int regnum);
45 int unwind__prepare_access(struct thread *thread, struct map *map,
47 void unwind__flush_access(struct thread *thread);
48 void unwind__finish_access(struct thread *thread);
50 static inline int unwind__prepare_access(struct thread *thread __maybe_unused,
51 struct map *map __maybe_unused,
52 bool *initialized __maybe_unused)
57 static inline void unwind__flush_access(struct thread *thread __maybe_unused) {}
58 static inline void unwind__finish_access(struct thread *thread __maybe_unused) {}
62 unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
63 void *arg __maybe_unused,
64 struct thread *thread __maybe_unused,
65 struct perf_sample *data __maybe_unused,
66 int max_stack __maybe_unused)
71 static inline int unwind__prepare_access(struct thread *thread __maybe_unused,
72 struct map *map __maybe_unused,
73 bool *initialized __maybe_unused)
78 static inline void unwind__flush_access(struct thread *thread __maybe_unused) {}
79 static inline void unwind__finish_access(struct thread *thread __maybe_unused) {}
80 #endif /* HAVE_DWARF_UNWIND_SUPPORT */
81 #endif /* __UNWIND_H */