4 #include <linux/compiler.h>
5 #include <linux/types.h>
18 typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
20 struct unwind_libunwind_ops {
21 int (*prepare_access)(struct thread *thread);
22 void (*flush_access)(struct thread *thread);
23 void (*finish_access)(struct thread *thread);
24 int (*get_entries)(unwind_entry_cb_t cb, void *arg,
25 struct thread *thread,
26 struct perf_sample *data, int max_stack);
29 #ifdef HAVE_DWARF_UNWIND_SUPPORT
30 int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
31 struct thread *thread,
32 struct perf_sample *data, int max_stack);
33 /* libunwind specific */
34 #ifdef HAVE_LIBUNWIND_SUPPORT
35 #ifndef LIBUNWIND__ARCH_REG_ID
36 #define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arch_reg_id(regnum)
39 #ifndef LIBUNWIND__ARCH_REG_SP
40 #define LIBUNWIND__ARCH_REG_SP PERF_REG_SP
43 #ifndef LIBUNWIND__ARCH_REG_IP
44 #define LIBUNWIND__ARCH_REG_IP PERF_REG_IP
47 int LIBUNWIND__ARCH_REG_ID(int regnum);
48 int unwind__prepare_access(struct thread *thread, struct map *map,
50 void unwind__flush_access(struct thread *thread);
51 void unwind__finish_access(struct thread *thread);
53 static inline int unwind__prepare_access(struct thread *thread __maybe_unused,
54 struct map *map __maybe_unused,
55 bool *initialized __maybe_unused)
60 static inline void unwind__flush_access(struct thread *thread __maybe_unused) {}
61 static inline void unwind__finish_access(struct thread *thread __maybe_unused) {}
65 unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
66 void *arg __maybe_unused,
67 struct thread *thread __maybe_unused,
68 struct perf_sample *data __maybe_unused,
69 int max_stack __maybe_unused)
74 static inline int unwind__prepare_access(struct thread *thread __maybe_unused,
75 struct map *map __maybe_unused,
76 bool *initialized __maybe_unused)
81 static inline void unwind__flush_access(struct thread *thread __maybe_unused) {}
82 static inline void unwind__finish_access(struct thread *thread __maybe_unused) {}
83 #endif /* HAVE_DWARF_UNWIND_SUPPORT */
84 #endif /* __UNWIND_H */