1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_MAPS_H
3 #define __PERF_MAPS_H
4
5 #include <linux/refcount.h>
6 #include <linux/rbtree.h>
7 #include <stdio.h>
8 #include <stdbool.h>
9 #include <linux/types.h>
10 #include "rwsem.h"
11 #include <internal/rc_check.h>
12
13 struct ref_reloc_sym;
14 struct machine;
15 struct map;
16 struct maps;
17 struct thread;
18
19 struct map_rb_node {
20 struct rb_node rb_node;
21 struct map *map;
22 };
23
24 struct map_rb_node *maps__first(struct maps *maps);
25 struct map_rb_node *map_rb_node__next(struct map_rb_node *node);
26 struct map_rb_node *maps__find_node(struct maps *maps, struct map *map);
27 struct map *maps__find(struct maps *maps, u64 addr);
28
29 #define maps__for_each_entry(maps, map) \
30 for (map = maps__first(maps); map; map = map_rb_node__next(map))
31
32 #define maps__for_each_entry_safe(maps, map, next) \
33 for (map = maps__first(maps), next = map_rb_node__next(map); map; \
34 map = next, next = map_rb_node__next(map))
35
DECLARE_RC_STRUCT(maps)36 DECLARE_RC_STRUCT(maps) {
37 struct rb_root entries;
38 struct rw_semaphore lock;
39 struct machine *machine;
40 struct map *last_search_by_name;
41 struct map **maps_by_name;
42 refcount_t refcnt;
43 unsigned int nr_maps;
44 unsigned int nr_maps_allocated;
45 #ifdef HAVE_LIBUNWIND_SUPPORT
46 void *addr_space;
47 const struct unwind_libunwind_ops *unwind_libunwind_ops;
48 #endif
49 };
50
51 #define KMAP_NAME_LEN 256
52
53 struct kmap {
54 struct ref_reloc_sym *ref_reloc_sym;
55 struct maps *kmaps;
56 char name[KMAP_NAME_LEN];
57 };
58
59 struct maps *maps__new(struct machine *machine);
60 bool maps__empty(struct maps *maps);
61 int maps__clone(struct thread *thread, struct maps *parent);
62
63 struct maps *maps__get(struct maps *maps);
64 void maps__put(struct maps *maps);
65
__maps__zput(struct maps ** map)66 static inline void __maps__zput(struct maps **map)
67 {
68 maps__put(*map);
69 *map = NULL;
70 }
71
72 #define maps__zput(map) __maps__zput(&map)
73
maps__entries(struct maps * maps)74 static inline struct rb_root *maps__entries(struct maps *maps)
75 {
76 return &RC_CHK_ACCESS(maps)->entries;
77 }
78
maps__machine(struct maps * maps)79 static inline struct machine *maps__machine(struct maps *maps)
80 {
81 return RC_CHK_ACCESS(maps)->machine;
82 }
83
maps__lock(struct maps * maps)84 static inline struct rw_semaphore *maps__lock(struct maps *maps)
85 {
86 return &RC_CHK_ACCESS(maps)->lock;
87 }
88
maps__maps_by_name(struct maps * maps)89 static inline struct map **maps__maps_by_name(struct maps *maps)
90 {
91 return RC_CHK_ACCESS(maps)->maps_by_name;
92 }
93
maps__nr_maps(const struct maps * maps)94 static inline unsigned int maps__nr_maps(const struct maps *maps)
95 {
96 return RC_CHK_ACCESS(maps)->nr_maps;
97 }
98
maps__refcnt(struct maps * maps)99 static inline refcount_t *maps__refcnt(struct maps *maps)
100 {
101 return &RC_CHK_ACCESS(maps)->refcnt;
102 }
103
104 #ifdef HAVE_LIBUNWIND_SUPPORT
maps__addr_space(struct maps * maps)105 static inline void *maps__addr_space(struct maps *maps)
106 {
107 return RC_CHK_ACCESS(maps)->addr_space;
108 }
109
maps__unwind_libunwind_ops(const struct maps * maps)110 static inline const struct unwind_libunwind_ops *maps__unwind_libunwind_ops(const struct maps *maps)
111 {
112 return RC_CHK_ACCESS(maps)->unwind_libunwind_ops;
113 }
114 #endif
115
116 size_t maps__fprintf(struct maps *maps, FILE *fp);
117
118 int maps__insert(struct maps *maps, struct map *map);
119 void maps__remove(struct maps *maps, struct map *map);
120
121 struct symbol *maps__find_symbol(struct maps *maps, u64 addr, struct map **mapp);
122 struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp);
123
124 struct addr_map_symbol;
125
126 int maps__find_ams(struct maps *maps, struct addr_map_symbol *ams);
127
128 int maps__fixup_overlappings(struct maps *maps, struct map *map, FILE *fp);
129
130 struct map *maps__find_by_name(struct maps *maps, const char *name);
131
132 int maps__merge_in(struct maps *kmaps, struct map *new_map);
133
134 void __maps__sort_by_name(struct maps *maps);
135
136 #endif // __PERF_MAPS_H
137