1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 #ifndef __UNWIND_H 1 #ifndef __UNWIND_H
3 #define __UNWIND_H 2 #define __UNWIND_H
4 3
5 #include <linux/compiler.h> !! 4 #include "types.h"
6 #include <linux/types.h> !! 5 #include "event.h"
7 #include "util/map_symbol.h" !! 6 #include "symbol.h"
8 <<
9 struct maps; <<
10 struct perf_sample; <<
11 struct thread; <<
12 7
13 struct unwind_entry { 8 struct unwind_entry {
14 struct map_symbol ms; !! 9 struct map *map;
15 u64 ip; !! 10 struct symbol *sym;
>> 11 u64 ip;
16 }; 12 };
17 13
18 typedef int (*unwind_entry_cb_t)(struct unwind 14 typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
19 15
20 struct unwind_libunwind_ops { !! 16 #ifdef LIBUNWIND_SUPPORT
21 int (*prepare_access)(struct maps *map <<
22 void (*flush_access)(struct maps *maps <<
23 void (*finish_access)(struct maps *map <<
24 int (*get_entries)(unwind_entry_cb_t c <<
25 struct thread *thre <<
26 struct perf_sample <<
27 }; <<
28 <<
29 #ifdef HAVE_DWARF_UNWIND_SUPPORT <<
30 /* <<
31 * When best_effort is set, don't report error <<
32 * be expanded in the future to be more permis <<
33 * error messages. <<
34 */ <<
35 int unwind__get_entries(unwind_entry_cb_t cb, 17 int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
>> 18 struct machine *machine,
36 struct thread *thread, 19 struct thread *thread,
37 struct perf_sample *da !! 20 u64 sample_uregs,
38 bool best_effort); !! 21 struct perf_sample *data);
39 /* libunwind specific */ !! 22 int unwind__arch_reg_id(int regnum);
40 #ifdef HAVE_LIBUNWIND_SUPPORT <<
41 #ifndef LIBUNWIND__ARCH_REG_ID <<
42 #define LIBUNWIND__ARCH_REG_ID(regnum) libunwi <<
43 #endif <<
44 <<
45 int LIBUNWIND__ARCH_REG_ID(int regnum); <<
46 int unwind__prepare_access(struct maps *maps, <<
47 void unwind__flush_access(struct maps *maps); <<
48 void unwind__finish_access(struct maps *maps); <<
49 #else <<
50 static inline int unwind__prepare_access(struc <<
51 struc <<
52 bool <<
53 { <<
54 return 0; <<
55 } <<
56 <<
57 static inline void unwind__flush_access(struct <<
58 static inline void unwind__finish_access(struc <<
59 #endif <<
60 #else 23 #else
61 static inline int 24 static inline int
62 unwind__get_entries(unwind_entry_cb_t cb __may 25 unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
63 void *arg __maybe_unused, 26 void *arg __maybe_unused,
>> 27 struct machine *machine __maybe_unused,
64 struct thread *thread __ma 28 struct thread *thread __maybe_unused,
65 struct perf_sample *data _ !! 29 u64 sample_uregs __maybe_unused,
66 int max_stack __maybe_unus !! 30 struct perf_sample *data __maybe_unused)
67 bool best_effort __maybe_u <<
68 { 31 {
69 return 0; 32 return 0;
70 } 33 }
71 !! 34 #endif /* LIBUNWIND_SUPPORT */
72 static inline int unwind__prepare_access(struc <<
73 struc <<
74 bool <<
75 { <<
76 return 0; <<
77 } <<
78 <<
79 static inline void unwind__flush_access(struct <<
80 static inline void unwind__finish_access(struc <<
81 #endif /* HAVE_DWARF_UNWIND_SUPPORT */ <<
82 #endif /* __UNWIND_H */ 35 #endif /* __UNWIND_H */
83 36
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